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WO2021244333A1 - Masque - Google Patents

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Publication number
WO2021244333A1
WO2021244333A1 PCT/CN2021/095311 CN2021095311W WO2021244333A1 WO 2021244333 A1 WO2021244333 A1 WO 2021244333A1 CN 2021095311 W CN2021095311 W CN 2021095311W WO 2021244333 A1 WO2021244333 A1 WO 2021244333A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
filter material
annular
component
mounting hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/095311
Other languages
English (en)
Chinese (zh)
Inventor
赵同江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2021244333A1 publication Critical patent/WO2021244333A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces

Definitions

  • the invention relates to the technical field of daily necessities, in particular to a mask.
  • Mask is a kind of sanitary product, generally refers to the appliance that is worn on the nose and mouth to filter the air entering the nose and mouth, so as to block harmful gases, odors, and droplets from entering and exiting the wearer's nose and mouth.
  • 2019 novel coronavirus pneumonia With the outbreak of the 2019 novel coronavirus pneumonia, the demand for masks has risen sharply.
  • the masks used by the general public generally have one or more sides of the mask that cannot be well sealed when worn, and their sealing performance is insufficient.
  • the meltblown cloth resources which are the main filter materials for masks, are very scarce. The replacement of masks by medical staff requires a large cost.
  • the purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide a mask that not only has better sealing performance, but also can reduce the cost of replacing the mask.
  • a mask including:
  • a support member the support member includes an annular support portion and an opening provided in the middle of the annular support portion, the opening corresponding to the nose and mouth of the user;
  • a filter assembly comprising a first filter material and a first sealing member for sealing the first filter material on one side of the annular support portion, and the first sealing member is used for supporting the annular support Detachable connection;
  • a sealing member is arranged on the other side of the annular support portion relative to the filter assembly, and the sealing member is used for attaching and sealing the user's face.
  • the mask provided by the embodiment of the present invention has at least the following beneficial effects: Compared with the traditional ordinary masks, KN95 and N95 masks, the mask of the embodiment of the present invention is provided with a sealing member on one side of the annular support part, which can directly affect the user’s The face is fully airtight, so that one or more sides of the mask cannot be properly sealed. In addition, since the user’s face is directly sealed by the sealing component, compared with the existing mask, the use of mask filter material can save money. Mask filter material resources.
  • the filter assembly is detachably connected to the annular support part through the first sealing part. When replacing the mask, the user does not need to replace the entire mask. Only the filter material in the filter assembly needs to be replaced.
  • the supporting part, the first sealing part Both the sealing parts and the sealing parts can be reused, which can save mask materials, greatly reduce the cost of replacing masks, and help relieve the tight supply of mask filter materials, thereby increasing the supply of masks.
  • a first fixing member is provided on the side of the annular support portion facing the filter assembly, and a second fixing member corresponding to the first fixing member is provided on the first sealing member.
  • the first filter material is arranged between the first fixing part and the second fixing part, and the first sealing part is detachably connected to the first fixing part through the second fixing part , And press the first filter material on the annular support part.
  • the first sealing part is fixed to the first fixing part of the annular support part through the second fixing part, and the first filter material is pressed and fixed to the annular support part at the same time, wherein the first fixing part and the second fixing part are detachably connected, and the user
  • the first sealing component can be assembled on the annular supporting part, and can also be disassembled at any time, so as to realize the installation and replacement of the first filter material.
  • the first fixing member includes a plurality of first protrusions distributedly arranged on the annular support portion, and the first filter material is provided with matching with the one or more first protrusions.
  • the first opening of the second fixing member includes a first mounting hole that matches with more than one of the first bumps, and the outer edge of the first bump is provided with an inner edge of the first mounting hole
  • the first bump passes through the first opening and the first mounting hole in sequence, so that the edge of the first mounting hole is fixed on the first bump of the first bump.
  • the first sealing member presses the first filter material on the annular support part.
  • the first opening of the first filter material and the first mounting hole of the first sealing member are sleeved on the first protrusion, because the first mounting hole is clamped on the first stop structure of the first protrusion Therefore, the first filter material is pressed tightly on the ring-shaped supporting part to realize the installation and fixation of the first filter material, and the sealing effect is good.
  • the first bump is a hollow structure.
  • it may include an arch-shaped thin wall and a support bar arranged in the thin wall for supporting the thin wall.
  • the first protrusion may be a plate-shaped protrusion structure.
  • the filter assembly further includes a second filter material and a second sealing member for sealing the second filter material on the first sealing member.
  • a second filter material and a second sealing member for sealing the second filter material on the first sealing member.
  • the second sealing member seals the second filter material on the first sealing member, so when the second filter material is replaced, the performance of the first filter material will not be affected. It is airtight, so the second filter material can be replaced safely in a high-risk environment (such as a hospital area where a new coronavirus infection is diagnosed).
  • the filter assembly further includes a second filter material and a second sealing member for sealing the second filter material on the first sealing member, and the second filter material is provided with There is a second opening that matches the one or more first bumps, the second sealing member includes more than one second mounting hole that matches the first bump, and the outer edge of the first bump There is also a second stop structure corresponding to the inner edge of the second mounting hole, and the first bump passes through the second opening and the second mounting hole in sequence, so that the second mounting The edge of the hole is fixed on the second stop structure of the first protrusion, so that the second sealing member presses the second filter material on the first sealing member.
  • the filter assembly further includes a second filter material and a second sealing member for sealing the second filter material on the first sealing member
  • the first fixing member is also It includes a plurality of second protrusions distributed on the annular support portion
  • the second filter material is provided with second openings matching the one or more second protrusions
  • the second sealing member includes There is more than one second mounting hole matching the second bump, and a third stop structure corresponding to the inner edge of the second mounting hole is also provided on the outer edge of the second bump, and the second The bump passes through the second opening and the second mounting hole in sequence, so that the edge of the second mounting hole is fixed on the third stop structure of the second bump, so that the second The sealing member presses the second filter material on the first sealing member.
  • the first bump is used to fix the first sealing part
  • the second bump is used to fix the second sealing part to realize the stacked installation of the first sealing part and the second sealing part respectively, and realize the first filter material and the second sealing part respectively.
  • the stacked combination of two filter materials is installed and sealed.
  • the first stop structure and the second stop structure are convex strips protruding outward from the side wall of the first bump.
  • the sealing member is composed of a soft material, and includes an annular sealing portion, the annular sealing portion is used to form a sealing area around the mouth and nose of the user, and the sealing area includes The first curved surface that fits the curve of the user's face; the inner side of the annular sealing portion is covered with an airtight sealing material.
  • the annular sealing part is attached to one side of the supporting member, and its inner side is curved to form a first curved surface conforming to the physiological curve of the user's face, which can effectively fit the user's face, and the annular sealing part made of soft material can closely fit the user's The face is very comfortable to wear.
  • the inner side of the annular sealing part is covered with an airtight sealing material to achieve isolation from the outside air and ensure protection performance.
  • the sealing component further includes support pads distributed on the periphery of the annular seal portion, and one end of the support pads distributed on the periphery of the annular seal portion jointly forms a second curved surface;
  • An air-permeable channel is provided between the support pad and the annular sealing portion;
  • the first curved surface includes a first curved portion corresponding to the protruding nose of the user, and the support pad includes two outer sides of the first curved portion.
  • a first support pad, the two first support pads are used to reduce the pressure of the first bending portion on the nose of the user;
  • the annular sealing portion and the support pad are made of memory foam material.
  • the supporting pad By providing the supporting pad, the supporting effect on the annular sealing part is realized, so that the pressure exerted on the annular sealing part is reduced, and the annular sealing part can be made very thin, which is not only breathable and cool, but also very light.
  • the pressure is distributed by setting support pads to control the distribution and height of the support pads.
  • the two first support pads on the outer sides of the first bend can adjust the highest point of the nose to become the lowest point of pressure, which improves user comfort.
  • the ring-shaped sealing part and the support pad are made of memory foam material, which can provide uniform surface pressure distribution.
  • the pressure of the memory foam material is uniformly dispersed.
  • the molecular structure of the memory foam material will flow and shift, and it will conform to the contour of the pressure surface through deformation.
  • Spread the support point to the entire contact surface so that the pressure can be dispersed on the entire contact surface.
  • the stress relaxation adapts to the externally compressed surface shape, so that the pressure at the highest point is reduced to the lowest point, so as to avoid parts with microcirculation compression. Because the pressure is evenly dispersed, there is no pressure concentration point in the body, and the comfort is greatly improved.
  • the present invention further includes a wearing component connected to the supporting member; the wearing component includes a strap, and the strap is an elastic strap, an inelastic strap or a flexible strap.
  • the wearing component can be used in a variety of ways.
  • the strap is detachable and the length can be adjusted.
  • the strap adopts a two-stage elastic and inelastic combination design, which can be combined according to needs to suit the needs of different users.
  • the supporting member is provided with a first supporting frame for supporting the first filter material away from the user's face, and the first supporting frame is arranged on the supporting member to surround the opening .
  • the support frame keeps the first filter material away from the user's face, so that the first filter material has no contact with the face, and prevents pathogens adhering to the mask filter material from contaminating the face, so as to reduce the risk of contact infection.
  • Figure 1 is a perspective view of a mask provided by the first embodiment of the present invention.
  • FIG. 2 is an exploded view of the structure of the mask provided by the first embodiment of the present invention.
  • Figure 3 is an exploded view of the structure of the mask provided by the second embodiment of the present invention (hiding the filter material and sealing components);
  • Fig. 4 is an exploded view of the structure in another direction of Fig. 3;
  • Figure 5 is an exploded view of the structure of the mask provided by the third embodiment of the present invention (hiding the filter material and sealing components);
  • Figure 6 is an enlarged view of B in Figure 5;
  • Figure 7 is an exploded view of the structure of the mask provided by the fourth embodiment of the present invention (hiding the filter material and the sealing component);
  • Fig. 8 is an enlarged view of C in Fig. 7;
  • Fig. 9 is an enlarged view of A in Fig. 2;
  • Figure 10 is a perspective view of a first sealing component in an embodiment of the present invention.
  • Figure 11 is a perspective view of a second sealing component in an embodiment of the present invention.
  • Figure 12 is an exploded view of the structure of the mask provided by the fifth embodiment of the present invention (hiding the filter material and sealing components);
  • Figure 13 is an exploded view of the structure of the mask provided by the sixth embodiment of the present invention (hiding the filter material and sealing components);
  • Figure 14 is a perspective view of the decorative cover of the present invention.
  • Fig. 15 is an enlarged view of D in Fig. 12;
  • Figure 16 is an enlarged view of E in Figure 13;
  • Figure 17 is a perspective view of the outer cover of the present invention.
  • Figure 18 is a perspective view from another angle in the first embodiment of the present invention.
  • Figure 19 is a perspective view of an embodiment of the sealing member of the present invention.
  • Figure 20 is a perspective view of an embodiment of the supporting member of the present invention.
  • Figure 21 is a perspective view of an embodiment of the first sealing member of the present invention.
  • Figure 22 is a perspective view of another embodiment of the first sealing member of the present invention.
  • FIG. 23 is an enlarged view of F in FIG. 22;
  • FIG. 24 is an enlarged view at G of FIG. 22;
  • Figure 25 is a schematic diagram of the first combination of the supporting member and the wearing component of the present invention.
  • Figure 26 is a schematic diagram of a second combination of the supporting member and the wearing component of the present invention.
  • Figure 27 is a schematic diagram of a third combination of the supporting member and the wearing component of the present invention.
  • Figure 28 is a perspective view of an embodiment of the lace buckle of the present invention.
  • Fig. 29 is a perspective view of another embodiment of the lace buckle of the present invention.
  • orientation description involved such as up, down, front, back, left, right, etc. indicates the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, but only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.
  • an embodiment of the present invention provides a mask including a support member 100 and a filter assembly 200 and a sealing member 400 respectively arranged on both sides of the support member 100, wherein the mask is sealed when in use
  • the component 400 faces the user's face, and the filter assembly 200 faces outward with respect to the user's face.
  • the supporting member 100 has a ring shape as a whole.
  • the supporting member 100 includes an annular supporting portion 110 that fits the shape of the user's face and an opening 120 disposed in the middle of the annular supporting portion 110.
  • the opening 120 corresponds to covering the user's nose.
  • the outer shape of the annular supporting portion 110 is an arc-shaped surface and the curved shape conforms to the physiological curve of the user's face.
  • the annular supporting portion 110 includes a nose protruding portion matching the user's nose on the upper side and a mandibular protruding portion matching the lower jaw of the user.
  • the arcs on the left and right sides of the nasal protruding portion match both sides of the user's face.
  • the supporting member 100 is mainly used as a skeleton support of the mask.
  • the supporting member 100 may be rigid or have a certain degree of elasticity, and may be made of plastic, fiber material, metal, and the like.
  • the filter assembly 200 is the main filter component of the mask.
  • the outside air is filtered by the filter assembly 200 for users to breathe.
  • the filter assembly 200 can effectively block harmful gases, odors, droplets, bacteria and viruses from entering the human body.
  • the filter assembly 200 includes a first filter material 210 and a first sealing member 220 for sealing the first filter material 210 on one side of the annular support portion 110.
  • the first filter material 210 may be a common mask material, such as a common medical mask material, a surgical medical mask material, a KN95 mask material, or a N95 mask material that has a function of filtering air. .
  • the first sealing member 220 seals the first filter material 210 on one side of the annular support 110, so that the first filter assembly 200, the support member 100 and the sealing member 400 can seal the user’s face, so that air can only pass through the filter assembly 200. Inhaled by the user.
  • the first sealing component 220 is detachably connected to the annular supporting portion 110, so that the replacement of the first filter material 210 is realized.
  • the mask in the prior art uses a filter material as the sealing member 400 of the mask. After being worn, it is pressed against the user’s face by the periphery of the filter material to seal the user’s face. This part contacts the user.
  • the face mask material does not have the function of filtering the air, causing the mask material to be wasted in vain.
  • a part of the mask material is tightly attached to the face when wearing an ordinary mask, which cannot effectively participate in air filtration, causing this part of the mask material to be wasted.
  • the face is sealed, and the sealing member 400 is arranged on the other side of the annular support 110 relative to the filter assembly 200.
  • the filter assembly 200 is not responsible for sealing the user’s face, thus greatly reducing the area of the filter material in the filter assembly 200 , Can save mask material.
  • the embodiment of the present invention provides a mask.
  • the mask of the embodiment of the present invention is provided with a sealing member 400 on one side of the annular support part 110, which can directly seal the user's face completely. , There will be no situation that one or several sides of the mask cannot be sealed well.
  • the mask filter material is sealed, which can save the mask filter material.
  • the filter assembly 200 is detachably connected to the annular support 110 through the first sealing component 220. When replacing the mask, the user does not need to replace the entire mask, only the filter material in the filter assembly 200 needs to be replaced. Both the sealing component 220 and the sealing component 400 can be reused, which can save mask materials, greatly reduce the cost of replacing the mask, and help alleviate the supply pressure of mask filter materials, thereby increasing the supply of masks.
  • a first fixing member is provided on the side of the annular support portion 110 facing the filter assembly 200, and the first sealing member 220 is provided with A second fixing part corresponding to the first fixing part, the first filter material 210 is disposed between the first fixing part and the second fixing part, and the first sealing part 220 passes through the second fixing part It is detachably connected to the first fixing component, and presses the first filter material 210 on the annular supporting portion 110.
  • the installation and sealing of the first filter material 210 is realized.
  • the detachable connection methods include, but are not limited to, pasting (for example, using re-adhesive glue, such as 3M glue, etc.) and clamping methods.
  • One embodiment is that the second fixing member and the first filter material 210 are welded or the like. After being fixedly connected, it can be detachably connected with the first fixed component (for example, snap connection, paste, etc.).
  • the first sealing member 220 is fixed to the first fixing member of the annular support portion 110 through the second fixing member, and the first filter material 210 is pressed at the same time. It is tightly fixed to the annular support part 110, wherein the first fixing part and the second fixing part are detachably connected.
  • the user can assemble the first sealing part 220 on the annular support part 110, or can be disassembled at any time to realize the first filter material 210 Installation and replacement.
  • the second fixing part and the first filter material 210 are detachable and separate, so the production cost of the first filter material 210 can be greatly reduced. Only the first filter material 210 needs to be replaced during replacement, and the first filter material 210 is only required to be replaced.
  • An airtight component 220 can be reused, and at the same time, it is easy to replace and clean.
  • the first fixing part and the second fixing part may also adopt a variety of detachable connection methods, including but not limited to a snap connection, a button connection, and a connection through a fixing clip.
  • the first fixing component includes a plurality of first protrusions 111 distributed on the annular support portion 110, and the first protrusions 111 are provided with first stoppers. Position structure.
  • the first stop structure is a first protrusion 1111 disposed on the first bump 111.
  • the first sealing member 220 is provided with a first protrusion 1111 and a matching slot 224, the first filter material 210 is provided with an opening matching the first protrusion 111, and the first filter material 210 is sleeved on the first protrusion 111 on.
  • the first sealing member 220 is clamped and installed on the annular supporting portion 110 through the clamping groove 224 while fixing and pressing the first filter material 210 on the annular supporting portion 110 to achieve sealing.
  • the first fixing member includes a plurality of first protrusions 111 distributed on the annular supporting portion 110, and the first filter material 210 is provided with The first opening 211 matched with more than one first protrusion 111
  • the second fixing member includes a first mounting hole 221 matched with more than one first protrusion 111
  • the outer side of the first protrusion 111 A first stop structure corresponding to the inner edge of the first mounting hole 221 is provided on the edge, and the first bump 111 passes through the first opening 211 and the first mounting hole 221 in sequence, so that the The edge of the first mounting hole 221 is fixed on the first stop structure of the first protrusion 111, so that the first sealing member 220 presses the first filter material 210 against the annular support portion 110 on.
  • the first opening 211 of the first filter material 210 and the first mounting hole 221 of the first sealing member 220 are sleeved on the first protrusion 111, because the first mounting hole 221 is clamped to the first protrusion 111 Therefore, the first filter material 210 is pressed against the annular support portion 110 to realize the installation and fixation of the first filter material 210, and its sealing effect is good.
  • the first bump 111 is a hollow structure, in one embodiment, the first bump 111 has a gate shape as a whole when viewed in cross section .
  • the first stop structure is a first protruding strip 1111 provided on the outer wall and/or inner wall of the first protrusion 111.
  • the first protruding strip 1111 is used for the first mounting hole 221 of the first sealing component 220 to be clamped.
  • the first opening 211 of the first filter material 210 is sleeved through the first protrusion 111, and then the first mounting hole 221 of the first sealing member 220 is clamped on the first protrusion 1111 of the first protrusion 111, When the clamping is completed, the hollow structure of the first bump 111 makes the first bump 111 have a certain degree of elasticity.
  • the first sealing member 220 when the first sealing member 220 is installed, the first sealing member 220 can be directly pressed to make the first
  • the protrusion 111 is deformed until the first protrusion 1111 passes over the first mounting hole 221 and is clamped on the inner side of the first mounting hole 221, which realizes the fixation of the first sealing member 220, so that the first sealing member 220 can hold the first sealing member 220.
  • a filter material 210 is tightly pressed on the annular support portion 110 to realize the installation and fixation of the first filter material 210.
  • the first sealing member 220 When disassembling, pull out the first sealing member 220 outwards, the inner edge of the first mounting hole 221 will exert pressure on the first protruding strip 1111, causing the first protruding block 111 to deform until the inner edge of the first mounting hole 221 By going over the first protruding strip 1111, the first sealing member 220 can be disassembled, and then the first filter material 210 can be replaced.
  • the first protrusions 1111 of the first protrusions 111 distributed on the upper and left sides of the annular support portion 110 are arranged on the outer wall, and are distributed on the lower and right sides of the annular support portion 110.
  • the first protruding strip 1111 of the first protruding block 111 is arranged on the inner wall, so that the directions of the first protruding strips 1111 on the upper and lower sides are the same, and the directions of the first protruding strips 1111 on the left and right are also the same, so that When disassembling the first sealing component 220, it is only necessary to apply force in one direction to simultaneously press the two opposite side protrusions, which greatly facilitates the user to remove the first sealing component 220.
  • the first bump 111 is a hollow structure, in an embodiment, it may include an arched thin wall 1113 and arranged in The support bar 1114 in the thin wall 1113 for supporting the thin wall 1113 is M-shaped as a whole when viewed in cross section.
  • the first stop structure is a first protruding strip 1111 provided on the outer wall of the first protrusion 111. The first protruding strip 1111 is used for the first mounting hole 221 of the first sealing member 220 to be clamped.
  • the first opening 211 of the material 210 is sleeved through the first protrusion 111, and then the first mounting hole 221 of the first sealing member 220 is clamped on the first protrusion 1111 of the first protrusion 111 to complete the clamping. Due to the hollow structure of the first bump 111, the first bump 111 has a certain degree of elasticity. Therefore, when the first sealing member 220 is installed, the first sealing member 220 can be directly pressed to generate the first bump 111.
  • the first sealing member 220 is fixed, so that the first sealing member 220 can hold the first filter material 210 It is tightly pressed on the annular supporting part 110 to realize the installation and fixation of the first filter material 210.
  • the inner edge of the first mounting hole 221 will exert pressure on the first protruding strip 1111, causing the first protruding block 111 to deform until the inner edge of the first mounting hole 221
  • the first sealing member 220 can be disassembled, and then the first filter material 210 can be replaced.
  • the first bump 111 may be a plate-shaped bump structure.
  • the second fixing member presses The convex block deforms it, so that the second fixing member can be firmly installed on the first stop structure of the first fixing member, and at the same time, a relatively large force is generated in the direction of the annular support portion 110, and the first filter material 210 It is pressed on the annular support portion 110 to achieve a good airtightness.
  • the first stop structure is a first protruding strip 1111 protruding outward from the side wall of the first protrusion 111.
  • the first protrusion 111 Due to the plate-like structure of the first protrusion 111, the first protrusion 111 has a certain degree of elasticity.
  • the first sealing component 220 can be directly pressed to deform the first protrusion 111 toward the inner side until the first protrusion 1111 passes over the first mounting hole 221 and is clamped to the inner side of the first mounting hole 221
  • the fixation of the first sealing member 220 is realized, so that the first sealing member 220 can tightly press the first filter material 210 on the annular support portion 110, so as to realize the installation and fixation of the first filter material 210.
  • the inner edge of the first mounting hole 221 will exert pressure on the first protruding strip 1111, causing the first protruding block 111 to deform inward, until the first mounting hole 221
  • the first sealing component 220 can be disassembled, and then the first filter material 210 can be replaced.
  • a second filter material 230 is added on the basis of the first filter material 210 to achieve two gears. Since the second filter material 230 covers the first filter material 210, the length of the first filter material 210 can be greatly extended. Use time.
  • the second filter material 230 in the second gear can be replaced. Moreover, when the second filter material 230 is replaced, the fixing and sealing of the first filter material 210 will not be affected. The filter material 210 can still play a better protective effect, so that the medical staff can easily, quickly and safely complete the replacement of the mask without leaving the current work position.
  • the filter assembly 200 further includes a second filter material 230 and a second filter material 230 for sealing the second filter material 230 on the first sealing component 220
  • the second airtight component 240 may be the same as or different from the first filter material 210.
  • materials with a function of filtering air such as ordinary medical mask materials, surgical mask materials, KN95 mask materials, or N95 mask materials, are used as the second filter material 230.
  • the second filter material 230 and the second sealing member 240 that seals the second filter material 230 on the first sealing member 220, it is realized that a layer of filter material is covered on the basis of the first filter material 210, and the The component 220 and the second sealing component 240 can facilitate the combination and replacement of the first filter material 210 and the second filter material 230, and realize the two gear setting and combination of the mask, which can meet the needs of different users according to the protection level Different, choose different combinations of mask filter materials according to the level of risk in different usage scenarios.
  • the second sealing member 240 seals the second filter material 230 on the first sealing member, so when the second filter material 230 is replaced, it will not affect The airtightness of the first filter material 210 makes it safer to replace the second filter material 230 in a high-risk environment (such as a hospital area where a new coronavirus infection is diagnosed).
  • the second filter material 230 is provided with a second opening 231 matching the one or more first bumps 111
  • the second sealing member 240 includes more than one second mounting hole 241 that matches the first protrusion 111, and an outer edge of the first protrusion 111 is also provided with an inner side of the second mounting hole 241
  • the second stop structure corresponding to the edge.
  • the second stop structure is a second convex strip 1112 protruding outward from the side wall of the first bump 111, that is, the first bump 111 is also provided with
  • the first protruding strip 1111 and the second protruding strip 1112 have two layers of protruding strips.
  • the first protruding strip 1111 is used for clamping the first mounting hole 221 of the first sealing member 220
  • the second protruding strip 1112 is used for clamping the second sealing member 220.
  • the second mounting hole 241 of the component 240 is used for clamping the first mounting hole 221 of the first sealing member 220.
  • the second opening 231 of the second filter material 230 is first sleeved through the first protrusion 111, and then the second mounting hole 241 of the second sealing component 240 is clamped in On the second convex strip 1112 of the first bump 111, the clamping is completed.
  • the hollow structure of the first bump 111 makes the first bump 111 have a certain degree of elasticity, it can be directly installed when the second sealing member 240 is installed.
  • the second sealing member 240 is pressed to deform the first protrusion 111 until the second protrusion 1112 passes over the second mounting hole 241 and is clamped on the inner side of the second mounting hole 241, thereby realizing the protection of the second sealing member.
  • the fixing of 240 enables the second sealing part 240 to tightly press the second filter material 230 on the first sealing part 220 to realize the installation and fixation of the second filter material 230, and realize the first filter material 210 and the second filter material 210 at the same time.
  • the stacked combination of the filter material 230 is installed and sealed.
  • the inner edge of the second mounting hole 241 will exert pressure on the second protruding strip 1112, causing the first protruding block 111 to deform until the inner edge of the second mounting hole 241
  • the second sealing member 240 can be disassembled, and then the second filter material 230 can be replaced. It can be seen that the installation or disassembly of the filter material in this embodiment is very convenient.
  • the first bump 111 can adopt the hollow gate-shaped structure shown in FIG. 6, or adopt the plate-shaped structure shown in FIG. 9, and it can also be used for the M-shaped structure in the above embodiment.
  • Shape structure (not shown in the figure).
  • the first fixing component further includes a plurality of second protrusions 112 distributed on the annular support portion 110, and the second filter material 230 Is provided with the one or more second openings 231 that are matched with the first bump 111 and the second bump 112, and the second sealing member 240 includes more than one second hole that matches the second bump 112.
  • Mounting hole 241 the outer edge of the second bump 112 is also provided with a third stop structure corresponding to the inner edge of the second mounting hole 241, in this embodiment, the third stop structure is set at the first A third protruding strip 1121 protrudes outward from the side walls of the two protruding blocks 112. Among them, as shown in FIG.
  • the second bump 112 adopts a plate-shaped structure.
  • a gate-shaped or M-shaped structure can also be used.
  • the types of the first bump 111 and the second bump 112 can be used in combination as required.
  • the first bump 111 uses a hollow M-shaped structure
  • the second bump 112 uses a plate.
  • both the first bump 111 and the second bump 112 adopt a plate-shaped structure.
  • the second opening 231 of the second filter material 230 is first sleeved through the first bump 111 and the second bump 112, and then the second sealing component 240 is The mounting hole 241 is clamped on the third convex strip 1121 of the second protrusion 112 to complete the clamping.
  • the second protrusion 112 has certain elasticity. Therefore, when the second sealing member 240 is installed, the second sealing member 240 can be directly sealed.
  • the component 240 deforms the second protrusion 112 by pressing until the third protruding strip 1121 passes over the second mounting hole 241 and is clamped on the inner side of the second mounting hole 241, thereby realizing the fixation of the second sealing component 240.
  • the second sealing part 240 can tightly press the second filter material 230 on the first sealing part 220, so as to realize the installation and fixation of the second filter material 230, and at the same time realize the first filter material 210 and the second filter material 230. Laminated combination installation and sealing.
  • the inner edge of the second mounting hole 241 will exert pressure on the third protruding strip 1121, causing the second protruding block 112 to deform until the inner edge of the second mounting hole 241 By crossing the third protruding strip 1121, the second sealing member 240 can be disassembled, and then the second filter material 230 can be replaced. It can be seen that in this embodiment, the installation or disassembly can be completed by applying force only once, and the replacement is very convenient.
  • the inner edge of the first mounting hole 221 of the first sealing component 220 is provided with a first convex edge 222 matching the first convex strip 1111, as shown in FIG. 11, the second sealing component 240
  • the inner edge of the mounting hole 241 is provided with a second convex edge 242 matching the second convex strip 1112 or the third convex strip 1121.
  • the first bump 111 has a hollow M-shaped structure
  • the second bump 112 has a plate-like structure
  • it can be arranged on both sides of the first bump 111 symmetrically.
  • the first protruding strip 1111 is arranged to fix the two symmetrical inner edges of the first mounting hole 221, so that the first sealing component 220 has a good mounting stability.
  • the side of the first sealing component 220 and the second sealing component 240 facing the sealing component 400 are respectively provided with gaskets.
  • the gaskets are compressible elastic materials for sealing filter materials of different thicknesses.
  • the masks provided can be adapted to filter materials of different thicknesses, and the applicability is better.
  • the position of the cushion can be adjusted opposite to the above embodiment, that is, cushions are provided on the annular support portion 110 and the first sealing member 220, wherein the cushion on the annular support portion 110 corresponds to the first filter material 210 , The gasket on the first sealing component 220 corresponds to the second filter material 230.
  • the annular support portion 110 is provided with a compressible gasket.
  • the filter materials of the two layers can be combined with the same or different materials. For example, different matching methods can be selected among the traditional ordinary masks, KN95 and N95 mask filter materials.
  • the stop structure described in the above embodiment may be a protruding strip, but also other stop structures, such as a block.
  • a decorative cover 300 is further included.
  • the decorative cover 300 may be integrated or separated.
  • the component 240 is assembled into one body, for example, integrally formed or covered with a layer of decoration, such as a sticker, glue or coating, on the outside of the second sealing component 240.
  • the decorative cover 300 can play a role in shielding the first bump 111 or the second bump 112 and enhance the aesthetic appearance of the entire mask.
  • the second mounting hole 241 of the second sealing member 240 is covered by the decorative cover 300 to form a blind hole.
  • the decorative cover 300 and the second sealing part 240 are arranged separately, wherein the decorative cover 300 can be detachably connected to the second sealing part 240, or the decorative cover 300 can pass through the second sealing part 240 and The first sealing component 220 is detachably connected to the annular support portion 110.
  • a third protrusion 113 is provided on the annular supporting portion 110, and the third protrusion 113 passes through the first opening 211, the first mounting hole 221, and The second opening 231 and the second mounting hole 241, as shown in FIG.
  • the decorative cover 300 is provided with a buckle 310 for matching with the third projection 113, and the third projection 113 is provided with a matching buckle 310
  • the fourth protruding bar 1131, the buckle 310 of the decorative cover 300 is inserted into the fourth protruding bar 1131, and the installation of the decorative cover 300 is completed.
  • the third bump 113 has a plate-like structure. As shown in FIG. 15, two third bumps 113 may be provided in the middle of the two first bumps 111 or the second bump 112, and the two The fourth protruding strips 1131 of the three protruding blocks 113 are arranged opposite to each other to form a clamping slot for buckling the fastener.
  • the third bump 113 has a plate-like structure, and the third bump 113 is provided with a fourth bump 1131 on one side of the first bump 111 or the second bump 112,
  • the fourth protruding strip 1131 is provided with a fifth protruding strip 1132 on one side of the first protruding block 111 or the second protruding block 112 opposite to the fourth protruding strip 1131.
  • the fourth protruding strip 1131 and the fifth protruding strip 1132 form a clip that can be fastened to the fastener. groove.
  • the decorative cover 300 may also be a soft material, which is pasted on the second sealing member 240.
  • the first sealing component 220, the second sealing component 240 and the decorative cover 300 are provided with convenient installation and removal procedures for users.
  • the filter assembly 200 is provided with two gears of the filter assembly 200, and different combination schemes can be selected according to different protection levels of use scenarios and different user groups.
  • the following examples are four combinations and application scenarios.
  • the first method of use install only the first filter material 210, where the first filter material 210 is a common mask material, and this combination method can meet the requirements for use in a low-risk environment.
  • the second method of use install only the first filter material 210, where the first filter material 210 is a mask material with a high protection level such as N95, KN95, etc., which meets the occasions with higher protection requirements, such as crowded places, such as markets or hospital.
  • a high protection level such as N95, KN95, etc.
  • the third method of use using two gears at the same time, installing the first filter material 210 and the second filter material 230, wherein the first filter material 210 and the second filter material 230 are both made of ordinary mask materials. It is satisfied that people wear the mask for a long time. When the mask needs to be replaced, only the second filter material 230 on the outside needs to be replaced.
  • the fourth method of use use two gears at the same time, install the first filter material 210 and the second filter material 230, where the first filter material 210 uses mask materials with high protection levels such as N95 and KN95, and the second filter material 230 .
  • this method of use is suitable for medical staff, especially in hospitals where the new crown virus infection is diagnosed.
  • the first filter material 210 can ensure the protective effect of medical staff, and the second filter material 230 can extend the first filter material.
  • the service life of the mask 210 When the mask is used for a certain period of time, only the second filter material 230 needs to be replaced to extend the fixation and sealing of the mask. The replacement of the second filter material 230 will not affect the protective effect of the first filter material 210. Therefore, the medical staff does not need to go to a specific disinfection area to replace the mask, and can replace the second filter material 230 of the second layer in the work area.
  • the fixing of the filter material is achieved through the cooperation of the openings and the bumps.
  • two levels of filter material are provided.
  • the filter assembly 200 can also be provided with three levels or more, and only need to increase More gears, for example, more sealing components 400 and filter components 200 are sufficient, and the decorative cover 300 in the above embodiment only needs to be installed to the outermost fixing component.
  • first sealing member 220 and the second sealing member 240 can also be achieved in other ways, for example, the first sealing member 220 and the second sealing member 240 can be detachably connected by pasting, or the first sealing The component 220 and the second sealing component 240 are directly provided with a detachable structure.
  • first sealing component 220 is provided with a bump for clamping the opening of the second sealing component 240 for installation.
  • an outer cover 600 is further included.
  • the outer cover 600 covers the outer layer of the filter assembly 200, and the outer cover 600 and the second sealing member 240 are detachably connected.
  • the inner edge of the outer cover 600 is provided with a first edge 610.
  • the outer side of the second sealing member 240 is provided with a second edge 243 matching the first edge 610.
  • the first card edge 610 is clamped on the second card edge 243 to realize a detachable connection.
  • the outer shell is made of airtight and waterproof material, which can better protect the filter assembly 200, and can effectively block large particle droplets.
  • the detachable method is also easy to clean and replace.
  • the outer cover 600 can play a decorative role, and the surface can be set Design patterns or trademarks. As shown in FIG. 17, the lower side of the outer cover 600 is provided with an air-permeable opening 620. A air-permeable gap is formed between the opening 620 and the second sealing member 240. The gap faces downward. When air is inhaled, air enters through the gap. After the filter assembly 200 reaches the mouth and nose of the user, the user's exhaled air passes through the filter assembly 200 and is blocked by the outer cover 600 and diverted to the gap to flow out, which can prevent the exhaled air from fogging the user's glasses.
  • the sealing component 400 is composed of a soft material and includes an annular sealing portion 410.
  • the annular sealing portion 410 is attached to one side of the supporting member 100 and used To seal filter materials of different thicknesses, the annular sealing portion 410 forms a sealing area around the user’s mouth and nose.
  • the annular sealing portion 410 made of a soft material can closely fit the user's face and is very comfortable to wear.
  • the sealing member 400 is preferably made of memory foam material.
  • the memory foam has a soft hand feeling and is not too tired even if worn for a long time.
  • the memory foam has leading performance in absorbing impact, reducing vibration, and releasing low rebound force, providing uniform surface pressure. Distribution, the "uniform pressure dispersion characteristics" of the memory foam material, the molecular structure of the memory foam material will "flow” and shift, through deformation to fit the contour of the pressure surface, and spread the support point to the entire contact surface, so that the pressure can be Scatter across the contact surface. Through stress relaxation to adapt to the externally compressed surface shape, the pressure at the highest point is reduced to the lowest point, so as to avoid parts with microcirculation compression.
  • the octagonal memory foam has a permeable cell structure, which guarantees the breathability and moisture absorption required by human skin without perforating, and has proper insulation performance; it feels warmer in winter, and is significantly cooler than ordinary sponges in summer.
  • the memory sponge has antibacterial, mite-proof and corrosion-resistant properties, strong adsorption capacity, and maintains the cleanliness of the outside world. Generally, it can be used without washing or disinfection for a long time if it contacts the human body.
  • Memory foam is more durable and its performance is maintained for a long time; it can be shaped as required; it can be made according to the required hardness, rebound speed, and density to meet the needs of products for different purposes; the human body feels comfortable in contact with it.
  • the inner side of the annular sealing part 410 is covered with an air-impermeable sealing material, such as glue, film, film, special thin-layer sealing material bonding or heat welding, etc., covered with an air-tight layer
  • an air-impermeable sealing material such as glue, film, film, special thin-layer sealing material bonding or heat welding, etc.
  • sealing member 400 can also be made of other types of soft materials, such as memory latex, silica gel, and the like.
  • the sealing component 400 and the supporting component 100 can be integrally connected or detachably connected, and the detachable manner can facilitate the user to disassemble the sealing component 400 for cleaning or replacement.
  • the sealing component 400 further includes support pads 420 distributed on the periphery of the annular seal portion 410.
  • One end of the support pads 420 distributed on the periphery of the annular seal portion 410 forms a second curved surface 440, supporting
  • the height distribution design of the cushion 420 conforms to the ergonomic curve of the physiological curve of the facial area of the mask, and can play a good supporting role.
  • the applied pressure is reduced to avoid the deformation of the annular sealing portion 410.
  • the annular sealing portion 410 is made very thin when possible, which is not only breathable and cool, but also very light.
  • the first curved surface 430 includes a first curved portion 431 corresponding to the convex nose of the user and a second curved portion 432 corresponding to the convex lower jaw of the user.
  • the annular sealing portion 410 is provided with a third support pad 423 corresponding to the first support pad 421.
  • the heights of the first support pad 421 and the third support pad 423 are lower than the height of the other support pads 420, and the first support pad 421 It forms a three-point support structure with the second support pads 422 on both sides.
  • the highest point of adjusting the nose becomes the lowest point of pressure, which improves the comfort of the user.
  • the support pad 420 includes two fourth support pads 424 disposed on the outer sides of the first curved portion 431, and the distance between the two fourth support pads 424 is larger than that of other supports.
  • the spacing of the pads 420 is controlled by distributing the support pads 420 to control the pressure distribution of the different layouts of the support pads 420.
  • the fourth support pad 424 shares the pressure at the nose, making the highest point of the nose the lowest point of pressure, which improves users Comfort.
  • the supporting pad 420 is distributed between the supporting pad 420 and the annular sealing portion 410 with ventilation channels, which can enhance the ventilation performance of the sealing component 400, and make the user wear ventilation and cool.
  • the stress relaxation adapts to the externally compressed surface shape, so that the pressure at the highest point is reduced to the lowest point, so as to avoid parts with microcirculation compression. Because the pressure is evenly dispersed, there is no pressure concentration point in the body, and the comfort is greatly improved.
  • the support pad 420 and the annular sealing portion 410 may also be connected to each other as a whole.
  • the area where the inner side of the annular sealing part 410 contacts the face is designed with an outer inclined part.
  • the deformation direction of the annular sealing part 410 after contacting the face is unified outward, so as to better fit the user's face. Ensure good sealing performance inside the annular sealing portion 410.
  • the supporting member 100 is provided with a first supporting frame 140 for supporting the first filter material 210 away from the user's face, and the first supporting frame 140 is arranged to surround the opening 120.
  • the first support frame 140 keeps the first filter material 210 away from the user's face, so that the first filter material 210 and the face have no contact, so as to prevent pathogens adhering to the mask filter material from contaminating the face, so as to reduce the risk of contact and infection.
  • the design of the first support frame 140 is optional, and the first support frame 140 may not be provided.
  • the first sealing member 220 is provided with a second support frame 223 for supporting the second filter material 230 away from the first filter material.
  • the first filter material 210 and the second filter material 230 can be separated from each other, preventing the second filter material 230 from contacting and contaminating the first filter material 210.
  • a ring of clamping rings 225 is provided around the inner periphery of all the first mounting holes 221 of the first sealing member 220, and the sealing member 220 is provided with a accommodating ring 225 With the slot 226, the hoop ring 225 can be tightened. When the hoop ring 225 is tightened, its radius is reduced. Since the hoop ring 225 is arranged inside all the first mounting holes 221, the hoop ring 225 will be inward Press the first bump 111 and/or the second bump 112 so that the second sealing member 240 is no longer fixed by the first bump 111 and/or the second bump 112, and the user does not need to press or push the bump.
  • the second sealing component 240 can be taken away, which facilitates the disassembly and replacement of the second sealing component 240.
  • the sealing component 220 also includes a limiting groove 227 to prevent the clamping ring 225 from being excessively displaced and falling off, and the clamping ring 225 is contracted and reset in the limiting groove 227.
  • the tightening ring 225 is contracted by adjusting the circumference of the tightening ring 225.
  • the first sealing member 220 is provided with a knob fixing table 228, and the knob fixing table 228 is provided with a knob 229, One end of the hoop ring 225 is fixed in the knob fixing table 228 or the slot 226, and the other end of the hoop ring 225 is connected to the knob 229.
  • the circumference of the hoop ring 225 is reduced, so that the radius of the hoop ring 225 is It also reduces, so that the hoop ring 225 will shrink inward, so that the first protrusion 111 and/or the second protrusion 112 are deformed, the second sealing part 240 can be easily removed, and the first sealing part 220 can be stabilized.
  • the material of the hoop ring 225 can be metal wire or rope of other materials.
  • a larger air storage chamber is formed between the first filter material 210 and the user's face, so as to increase the area of the filter material at the same time, in order to avoid obstructing the view.
  • the support frame is designed to avoid blocking the user’s sight.
  • a shaping buckle 700 can also be provided. The shaping buckle 700 is detachably connected to the support frame on the outward side of the mask filter component. Thus, the first filter material 210 and the second filter material 230 are compressed.
  • the mask of any of the foregoing embodiments needs to be worn on the user's head using the wearing assembly 500.
  • the wearing component 500 refers to the design of an existing mask.
  • the mask of the present invention can be worn in any manner to achieve a good airtight effect.
  • the wearing assembly 500 includes a first belt set 510, and the left and right sides of the support member 100 are each provided with a first fastener 131, and the first belt set 510 passes through For the two first fasteners 131, the user wears the first belt set 510 on the head to complete the wearing of the mask.
  • the wearing assembly 500 includes a first belt set 510 and a second belt set 520, and the left and right sides of the supporting member 100 are each provided with a first fastener 131 and a second fastener 132 ,
  • the first belt group 510 passes through the two first fasteners 131
  • the second belt group 520 passes through the two second fasteners 132
  • the user passes through the first belt group 510 and the second belt group 520 You can complete the wearing of the mask.
  • the wearing assembly 500 includes a first belt set 510, and a third fastener 133 and a fourth fastener 134 are respectively provided on the left and right sides of the support member 100.
  • a belt set 510 passes through the third fastener 133 and the fourth fastener 134 on the left and right in sequence to form two sets of laces, and the user can complete the wearing of the mask through the two sets of laces.
  • the above-mentioned belt set can be an elastic tie, an inelastic tie, or a combined tie that is a combination of an elastic tie and an inelastic tie.
  • elastic cloth belts or ordinary cloth belts with no elasticity the use of elastic laces can make the wearer more comfortable when wearing the lace Operate during lashing.
  • a combination of elastic and non-elastic straps each of which takes its own length, that is, one segment of the strap connected to the buckle is an elastic strap, allowing the wearer to easily adjust it when wearing it, and connect the other segment of the elastic strap. It is a strap with no elasticity, which is convenient for the wearer to operate when tying.
  • the length of the lace can be adjusted by adjusting components to prevent the lace from being too loose or too tight.
  • the button 531 for adjusting the tightness can adjust the length of the lace by controlling the tightness of the button 531.
  • the lace buckle 530 is provided on the lace on the side of the user's face.
  • the lace buckle 530 is cylindrical, and the lace buckle 530 is provided with a small through hole, and both ends of the lace pass through the small through hole at the same time.
  • the side straps rub against each other to generate damping, and the user can adjust the length of the strap by pulling the strap forcefully to overcome the damping.
  • the following wearing solutions can be formed to suit the needs of different users:
  • One-piece elastic tie solution One-piece elastic tie passes through the ring structure on the mask filter component, the lower end of the one-piece elastic tie wraps around and is fixed on the back pillow, the upper end of the one piece elastic tie wraps around and is fixed on the head, and the upper end of the one piece elastic tie wraps through the adjusting buckle. Adjust the length of the integrated elastic tie to tighten the lower and upper parts of the integrated elastic tie at the same time.
  • Hanging ear solution It also includes a hanging ear.
  • the elastic strap of the ear can be adjusted by adjusting the length of the elastic strap to suit the needs of different people.
  • the elastic straps of the mounting ears are hung on the false ears to avoid strangulation of human ears.
  • the hanging ears can be placed behind or around the ears in a variety of ways.
  • the above-mentioned hanging ears are hanging buckles that can be used for hanging straps.
  • the hanging ears can be fixed on both sides of the user's head close to the ears by means of brackets and straps, or arranged behind the user's ears. The position of the ears on the user's head can be adjusted.
  • the lace is an elastic lace
  • the design of the lace can be summarized as the following solutions:
  • Back Pillow Plan 1 (Periarthritis version): Two elastic straps are connected to the fixed structure on both sides of the mask filter component, connected to the semi-circular structure with adjustable length, and the mask and the face are tightened by adjusting the length of the semi-circular structure.
  • Back pillow plan 2 Two elastic straps are connected to the fixed structure on both sides of the mask filter component. The two elastic straps adjust the connection length between the elastic straps through the adjusting buckle to tighten the mask and make it fit the face.
  • Back pillow plan 3 An elastic tie is connected to the fixed structure on one side of the mask filter component, and a non-elastic tie is connected to the fixed structure on one side of the mask filter component.
  • the two fixed straps are adjusted between the elastic tie through the adjusting buckle. Connect the length to tighten the mask so that it fits the face.
  • the mask of the present invention can be made into different versions of masks, such as adult version, youth version, and pediatric version.
  • the pediatric version of the mask is designed for the physiological characteristics of children.
  • the design concept is: 1. Increase the filter area 2.
  • No need for ventilation and air storage cavity design Power can also reduce suffocation: the amount of gas stored in the air storage cavity is greater than the amount of one inhalation for children within 2 years old, and is close to the amount of one inhalation for 7-12 years old; increase the filter area to reduce respiratory resistance; the gas concentration difference in the air storage cavity diffuses freely, Large filter area to avoid carbon dioxide storage; other designs are suitable for adults and teenagers of different ages, heights, weights, and face shapes.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pulmonology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Masque, comprenant : un élément de support (100) comprenant une partie de support annulaire (110) et une ouverture (120) disposée au milieu de la partie de support annulaire (110) ; un ensemble de filtration (200) comprenant un premier matériau filtrant (210) et un premier élément d'étanchéité (220) utilisé pour sceller le matériau filtrant (210) sur un côté de la partie de support annulaire (110), le premier élément d'étanchéité (220) étant utilisé pour une liaison détachable avec la partie de support (110) ; et un élément d'étanchéité (400) disposé de l'autre côté de la partie de support annulaire (110) par rapport à l'ensemble de filtration (200), l'élément d'étanchéité (400) étant utilisé pour ajuster et sceller le visage d'un utilisateur. L'élément d'étanchéité (400) du masque peut sceller directement et complètement le visage de l'utilisateur, et l'ensemble de filtration (200) est relié amovible à la partie de support annulaire (110) au moyen du premier élément d'étanchéité (220), et par conséquent, des matériaux de masque peuvent être économisés, et le coût de remplacement du masque est réduit.
PCT/CN2021/095311 2020-06-02 2021-05-21 Masque Ceased WO2021244333A1 (fr)

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Application Number Priority Date Filing Date Title
CN202020985044.5U CN211211557U (zh) 2020-06-02 2020-06-02 一种口罩
CN202020985044.5 2020-06-02

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WO2021244333A1 true WO2021244333A1 (fr) 2021-12-09

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211211557U (zh) * 2020-06-02 2020-08-11 赵同江 一种口罩
CN112057763A (zh) * 2020-08-27 2020-12-11 大司造工贸(云南)有限责任公司 多功能空气过滤盒
ES2897015A1 (es) * 2020-08-27 2022-02-28 Mft Design Solutions S L Máscarilla de protección respiratoria con separación de los flujos del aire de la respiración

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003633A (en) * 1989-06-02 1991-04-02 Itoh Seiki Co., Ltd. Face protector
CN101664232A (zh) * 2009-10-28 2010-03-10 张留品 活动框架式防尘口罩
CN201557579U (zh) * 2009-12-07 2010-08-25 谢国宁 一种面罩
CN203913464U (zh) * 2014-04-02 2014-11-05 蔡素清 一种透明口罩
CA2852110A1 (fr) * 2013-06-27 2014-12-27 Unitech Services Group, Inc. Protecteur facial dote d'une protection ou d'une visiere amovible
CN207011751U (zh) * 2017-07-17 2018-02-16 广州海科电子科技有限公司 空气净化口罩
CN207767583U (zh) * 2017-11-22 2018-08-28 新昌县鼎石科技咨询服务有限公司 一种用于电动口罩的口罩主体
CN109924572A (zh) * 2019-04-24 2019-06-25 浙江工业大学 一种方便组合的模块化口罩
CN111109705A (zh) * 2020-01-14 2020-05-08 湖州九安盾防护科技有限公司 一种密合型口罩
CN211211557U (zh) * 2020-06-02 2020-08-11 赵同江 一种口罩

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003633A (en) * 1989-06-02 1991-04-02 Itoh Seiki Co., Ltd. Face protector
CN101664232A (zh) * 2009-10-28 2010-03-10 张留品 活动框架式防尘口罩
CN201557579U (zh) * 2009-12-07 2010-08-25 谢国宁 一种面罩
CA2852110A1 (fr) * 2013-06-27 2014-12-27 Unitech Services Group, Inc. Protecteur facial dote d'une protection ou d'une visiere amovible
CN203913464U (zh) * 2014-04-02 2014-11-05 蔡素清 一种透明口罩
CN207011751U (zh) * 2017-07-17 2018-02-16 广州海科电子科技有限公司 空气净化口罩
CN207767583U (zh) * 2017-11-22 2018-08-28 新昌县鼎石科技咨询服务有限公司 一种用于电动口罩的口罩主体
CN109924572A (zh) * 2019-04-24 2019-06-25 浙江工业大学 一种方便组合的模块化口罩
CN111109705A (zh) * 2020-01-14 2020-05-08 湖州九安盾防护科技有限公司 一种密合型口罩
CN211211557U (zh) * 2020-06-02 2020-08-11 赵同江 一种口罩

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