WO2022221975A1 - Aerosol bomb - Google Patents

Abstract

An aerosol bomb (800). The aerosol bomb (800) is not provided with an atomizing core. The aerosol bomb (800) comprises a liquid storage element (100), a gas-liquid exchange element (290) for blocking an opening at the bottom of the liquid storage element (100), and an aerosol channel (1303) axially penetrating the liquid storage element (100). The aerosol bomb (800) does not comprise the atomizing core, the aerosol bomb (800) is replaced after a liquid is used up, and the atomizing core can be used repeatedly. Therefore, the costs are greatly reduced, and the waste of resources is also reduced.

Description

an aerosol bomb technical field

The invention relates to an aerosol bomb, in particular to an aerosol bomb used in electronic cigarettes and drug atomizing devices.

Background technique

Aerosol bombs and atomizing devices are widely used in various fields of daily life, such as electronic cigarettes and drug atomization inhalation devices. fiber bundles. When the air flow through the aerosol bomb heats the atomizing core, the liquid is atomized and carried out by the air flow. Common aerosol bombs include atomizing cores, which are expensive and prone to oil leakage.

SUMMARY OF THE INVENTION

In order to solve the existing problems in the prior art, the present invention proposes an aerosol bomb. The aerosol bomb does not have an atomizing core, and the aerosol bomb includes a liquid storage element and blocks the bottom of the liquid storage element. An open gas-liquid exchange element and an aerosol channel extending axially through the liquid storage element.

Further, the capillary pressure of the gas-liquid exchange element is 1 mm-35 mm.

Further, the gas-liquid exchange element includes a high capillary part and a low capillary part, and the capillary pressure of the low capillary part is 1 mm-35 mm.

Further, the low capillary portion has a buffer space therein.

Further, the density of the gas-liquid exchange element is 0.035 g/cm ³ -0.3 g/cm ³ .

Further, the gas-liquid exchange element is made into a three-dimensional network three-dimensional structure by fiber bonding.

Further, the fiber is a bicomponent fiber having a skin layer and a core layer, and the core layer has a melting point higher than that of the skin layer by more than 20°C.

Further, the skin layer of the bicomponent fiber is polyolefin, copolyester of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polylactic acid or polyamide -6.

Further, the aerosol bomb further includes a bottom accommodating chamber disposed below the gas-liquid exchange element.

Further, the aerosol bomb also includes a bottom seal and a top seal.

Further, the aerosol bomb includes a shell of the aerosol bomb, the shell of the aerosol bomb is provided with a liquid injection hole that communicates with the inside of the liquid storage element, and a sealing plug is provided on the liquid injection hole.

Further, the liquid storage element is filled with porous liquid storage material.

Further, the thickness of the gas-liquid exchange element is greater than or equal to 1 mm.

Further, the lower part of the gas-liquid exchange element extends out of the bottom opening of the liquid storage element.

Further, the height of the portion of the lower portion of the gas-liquid exchange element beyond the lower end of the aerosol passage is more than a quarter of the height of the gas-liquid exchange element.

The aerosol bomb of the present invention does not include an atomizing core, and the aerosol bomb is replaced after the liquid is used up, and the atomizing core can be reused, thereby greatly reducing costs and reducing resource waste. When in use, install the aerosol bomb and atomizing core on the main unit, the gas-liquid exchange element can stably conduct liquid to the atomizing core, and introduce gas into the liquid storage element when necessary, so as to ensure stable atomization. The gas-liquid exchange element made of fiber has high strength and toughness, and is not easy to be wrinkled or broken during installation. It can be easily assembled in aerosol bombs, and it is easy to realize assembly automation, improve efficiency and save costs. It is especially suitable for manufacturing large Large-scale consumer goods, such as e-cigarettes, etc.

The gas-liquid exchange element and the aerosol bomb of the present invention can be applied to the atomization of various electronic cigarette liquids, and also to the atomization of CBD and other drug solutions. In order to make the above-mentioned content of the present invention more obvious and easy to understand, preferred embodiments are hereinafter described in detail with reference to the accompanying drawings.

Description of drawings

One or more embodiments are exemplified by the pictures in the corresponding drawings, and these exemplifications do not constitute limitations of the embodiments, and elements with the same reference numerals in the drawings are denoted as similar elements, Unless otherwise stated, the figures in the accompanying drawings do not constitute a scale limitation.

FIG. 1a is a schematic longitudinal cross-sectional view of the aerosol bomb according to the first embodiment disclosed in the present invention;

Fig. 1b is a schematic cross-sectional view of the gas-liquid exchange element in Fig. 1a;

Figure 1c is an enlarged schematic cross-sectional view of the bicomponent fiber of Figure 1b;

Fig. 1d is another enlarged cross-sectional schematic view of the bicomponent fiber in Fig. 1b;

Fig. 2 is the longitudinal sectional schematic diagram of the aerosol bomb of the second embodiment disclosed by the present invention;

3 is a schematic longitudinal cross-sectional view of the aerosol bomb according to the third embodiment disclosed in the present invention;

4a is a schematic longitudinal cross-sectional view of the aerosol bomb according to the fourth embodiment disclosed in the present invention;

Figure 4b is a schematic cross-sectional view of the gas-liquid exchange element in Figure 4a;

Figure 4c is another schematic cross-sectional view of the gas-liquid exchange element in Figure 4a;

5 is a schematic longitudinal cross-sectional view of the aerosol bomb according to the fifth embodiment disclosed in the present invention;

6a is a schematic longitudinal cross-sectional view of the aerosol bomb according to the sixth embodiment disclosed in the present invention;

Figure 6b is a schematic cross-sectional view of the gas-liquid exchange element in Figure 6a;

FIG. 7 is a schematic longitudinal sectional view of the aerosol bomb according to the seventh embodiment disclosed in the present invention.

Detailed ways

The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of this thorough and complete disclosure invention, and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings are not intended to limit the invention. In the drawings, the same elements/elements are given the same reference numerals.

In the present invention, the capillary pressure is defined as the height h at which one end of the material of the gas-liquid exchange element 290 just touches the liquid to be atomized and is placed for 5 minutes to absorb the liquid. The specific test and calculation methods are defined as follows:

1) Make the gas-liquid exchange element 290 material with the axial height H, slowly insert the gas-liquid exchange element 290 material into the atomized liquid until it is submerged, weigh and calculate the gas-liquid under the condition of not being squeezed and fully exhausting the air The saturated liquid uptake W ₀ of the exchange element 290 material. 2) Take the same material of the gas-liquid exchange element 290, place one end of the material of the gas-liquid exchange element 290 in contact with the liquid to be atomized, place it for 5 minutes, weigh and calculate the liquid absorption amount W1 _of the material of the gas-liquid exchange element 290 . 3) Calculation of suction height h: h=(HxW ₁ )/W ₀ .

The melting point in the present invention is determined according to ASTM D3418-2015.

Unless otherwise specified, terms used herein, including scientific and technical terms, have the meaning as commonly understood by one of ordinary skill in the art. In addition, it is to be understood that terms defined in commonly used dictionaries should be construed as having meanings consistent with the context in the related art, and should not be construed as idealized or overly formal meanings.

first embodiment

Fig. 1a is a schematic longitudinal sectional view of the aerosol bomb of the first embodiment disclosed in the present invention; Fig. 1b is a schematic cross-sectional view of the gas-liquid exchange element in Fig. 1a; Fig. 1c is a schematic diagram of the bicomponent fiber in Fig. 1b A schematic enlarged cross-sectional view; Figure 1d is another schematic enlarged cross-sectional view of the bicomponent fiber in Figure 1b.

As shown in FIG. 1 a , according to the aerosol bomb 800 according to the first embodiment of the present invention, the aerosol bomb 800 does not have an atomizing core, and the aerosol bomb 800 includes a liquid storage element 100 , and a gas-liquid blocker at the bottom opening of the liquid storage element 100 . Exchange element 290 and aerosol channel 1303 extending axially through storage element 100 .

In the present invention, the atomizing core is a component that heats and atomizes the liquid in the liquid storage element 100 .

The aerosol bomb 800 is a three-dimensional structure designed by those skilled in the art, such as a cylinder, a square cylinder, an elliptical cylinder and other structures. The aerosol bomb 800 includes an aerosol bomb casing 810 , a liquid storage element 100 accommodated in the aerosol bomb casing 810 , and an aerosol channel 1303 axially extending through the liquid storage element 100 . The bottom of the liquid storage element 100 has an opening, and the gas-liquid exchange element 290 blocks the bottom opening of the liquid storage element 100 .

In this embodiment, the aerosol channel 1303 is formed by a tubular structure extending from the top of the aerosol shell 810 to the inside of the aerosol shell 810 . The opening between the end of the aerosol channel 1303 away from the top of the aerosol shell 810 and the aerosol shell 810 is the opening at the bottom of the liquid storage element 100 . The gas-liquid exchange element 290 blocks the bottom opening of the liquid storage element 100 . Thus, the liquid storage element 100 is formed by the space enclosed by the aerosol shell 810 , the pipe wall of the aerosol channel 1303 and the gas-liquid exchange element 290 . In addition, below the gas-liquid exchange element 290 , the space enclosed by the aerosol shell 810 and the gas-liquid exchange element 290 forms a bottom accommodating chamber 820 .

The liquid storage element 100 can also be assembled in the aerosol shell 810 after being independently formed. In this case, the liquid storage element 100 can have a liquid storage element through hole 130 axially extending through the liquid storage element 100, and the liquid storage element through hole 130 can be simultaneously Used as aerosol channel 1303.

The gas-liquid exchange element 290 has a gas-liquid exchange element through hole 2903 axially extending through the gas-liquid exchange element 290 , and the aerosol channel 1303 passes through the gas-liquid exchange element through hole 2903 and is tightly assembled with the gas-liquid exchange element 290 to prevent liquid leakage. A hollow plastic baffle (not shown) can be installed at the bottom opening of the liquid storage element 100. The shape of the plastic baffle is similar to that of the gas-liquid exchange element 290, but the size is slightly smaller than that of the gas-liquid exchange element 290. The exchange element 290 plays the role of positioning and support, but does not affect the liquid and gas guiding functions of the gas-liquid exchange element 290 .

The outer peripheral wall of the gas-liquid exchange element 290 is closely matched with the inner peripheral wall of the aerosol bomb housing 810 , and one side of the gas-liquid exchange element 290 is in contact with the liquid in the liquid storage element 100 . When using the aerosol bomb 800, install the aerosol bomb 800 on the main unit (not shown) with an atomizing core, insert the atomizing core into the bottom accommodating chamber 820 of the aerosol bomb 800, and the other part of the gas-liquid exchange element 290. One side is in contact with the atomizing core, thereby conducting the liquid in the liquid storage element 100 to the atomizing core.

<Gas-liquid exchange element>

As shown in Fig. 1b, the gas-liquid exchange element 290 is formed by fiber bonding to form a three-dimensional network three-dimensional structure, preferably by thermal bonding. The cross-section of the gas-liquid exchange element 290 can be in various geometric shapes, such as circular, oval, rectangular, and the like. The density of the gas-liquid exchange element 290 of the present invention is 0.035-0.3 g/ ^cm3 , eg, 0.035/ ^cm3 , 0.050/ ^cm3 , 0.065/ ^cm3 , 0.080/ ^cm3 , 0.100/ ^cm3 , 0.125/ ^cm3 , 0.150/ ^cm3 , 0.175/ ^cm3 , 0.200/ ^cm3 , 0.225/ ^cm3 , 0.250/ ^cm3 , 0.275/ ^cm3 , 0.300/ ^cm3 , preferably 0.05-0.2 g/ ^cm3 . When the density is less than 0.035 g/cm ³ , the gas-liquid exchange element 290 is difficult to manufacture and has insufficient strength, and is easily deformed or wrinkled during assembly, which affects the stability of atomization or causes liquid leakage. When the density is greater than 0.3 g/cm ³ , the ability of the gas-liquid exchange element 290 to introduce gas into the liquid storage element 100 is insufficient, and the negative pressure in the liquid storage element 100 is too high, making it difficult for the liquid to be discharged.

In the present invention, the capillary pressure of the gas-liquid exchange element 290 is 1mm-35mm, for example, 1mm, 2mm, 3mm, 5mm, 7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 20mm, 25mm, 30mm, 35mm. When the capillary pressure of the gas-liquid exchange element 290 is less than 1 mm, the liquid in the liquid storage element 100 is likely to leak. When the capillary pressure of the gas-liquid exchange element 290 is greater than 35 mm, it is difficult for the gas to pass through the gas-liquid exchange element 290 to be replenished to the liquid storage element 100 , resulting in an excessively high negative pressure in the liquid storage element 100 , causing the liquid in the liquid storage element 100 to become too high. It is difficult to transmit to the atomizing core through the gas-liquid exchange element 290, resulting in insufficient liquid content on the atomizing core and affecting the atomization quality. The capillary pressure of the gas-liquid exchange element 290 is preferably 2 mm to 25 mm, more preferably 3 mm to 10 mm. An appropriate capillary pressure of the gas-liquid exchange element 290 can be selected according to different atomization requirements. In order to make the gas-liquid exchange element have sufficient strength, the thickness of the gas-liquid exchange element is greater than or equal to 1 mm, such as 1 mm, 2 mm, 3 mm, 5 mm, 7 mm, 10 mm, etc. Due to the limited space inside the aerosol bomb, the thickness of the gas-liquid exchange element is limited by the space inside the aerosol bomb.

<Fibers and bicomponent fibers>

The gas-liquid exchange element 290 is made of fiber bonding, which can be bonded by thermal bonding, adhesives or plasticizers with monocomponent fibers such as polyamide 6, polyamide 66, polyamide 610, PET, PBT, PTT, etc. The gas-liquid exchange element 290 can also be formed by bonding the bicomponent fibers 2 of the sheath-core structure to form the gas-liquid exchange element 290 . The bicomponent fibers 2 of the sheath-core structure may have a concentric structure or an eccentric structure. The bicomponent fibers 2 may be filaments or staple fibers. According to the performance requirements of the gas-liquid exchange element 290 , suitable bicomponent fibers 2 can be selected to make the gas-liquid exchange element 290 . The core layer of the bicomponent fiber 2 has a melting point higher than that of the skin layer by more than 20°C, which can maintain a certain rigidity of the core layer during thermal bonding between fibers, which facilitates the manufacture of a gas-liquid exchange element 290 with uniform voids.

Figure 1c is an enlarged schematic cross-sectional view of the bicomponent fiber of Figure 1b. As shown in Fig. 1c, the skin layer 21 and the core layer 22 are concentric structures. Figure 1d is another enlarged schematic cross-sectional view of the bicomponent fiber of Figure 1b. As shown in Fig. 1d, the skin layer 21 and the core layer 22 are eccentric structures. The bicomponent fibers 2 are filaments or staple fibers. The gas-liquid exchange element 290 can be made by selecting suitable bicomponent fibers according to the performance requirements of the gas-liquid exchange element 290 .

The skin layer 21 of the bicomponent fiber 2 may be polyolefin, copolyester of polyethylene terephthalate (referred to as Co-PET), polytrimethylene terephthalate (referred to as PTT), polyethylene terephthalate Butylene diester (PBT for short), polylactic acid or polyamide-6. Polyolefin is a polymer of olefins, and is a general term for a class of thermoplastic resins usually obtained by polymerizing or copolymerizing α-olefins such as ethylene, propylene, 1-butene, 1-pentene, and 1-hexene alone.

The denier of the bicomponent fibers 2 for making the gas-liquid exchange element 290 of the present invention is between 1.5-30 denier, preferably 2-15 denier. The bicomponent fiber 2 with a sheath-core structure between 2-15 denier is easy to make the gas-liquid exchange element 290 . When the viscosity of the liquid to be atomized is low, it is preferable to use fibers with smaller fineness to make the gas-liquid exchange element 290, such as fibers of 1.5 denier, 2 denier, and 3 denier. When the viscosity of the liquid to be atomized is relatively high, it is appropriate to use fibers with larger fineness to make the gas-liquid exchange element 290, such as fibers of 6 denier, 10 denier, 15 denier, and 30 denier.

In this embodiment, it is preferable that the gas-liquid exchange element 290 is a three-dimensional network three-dimensional structure formed by two-component short-dimensional thermal bonding. The skin layer 21 is polyethylene, the core layer 22 is polypropylene or PET, and the density of the gas-liquid exchange element 290 is between 0.035-0.3 g/cm ³ , preferably 0.05-0.2 g/cm ³ , the gas-liquid exchange element 290 It has better strength and better elasticity, and has faster liquid conduction speed and the ability to replenish gas to the liquid storage element 100 . This gas-liquid exchange element 290 can be used for the atomization of electronic cigarette liquid and CBD liquid medicine.

In this embodiment, the skin layer 21 of the bicomponent fiber 2 can be replaced by polypropylene, Co-PET, polyamide-6, PBT or PTT, etc., and the fabricated gas-liquid exchange element 290 has higher temperature resistance.

<Reservoir element>

The liquid storage element 100 is a component of the aerosol bomb 800 that stores liquid, and the liquid to be atomized is injected into the liquid storage element 100 . The liquid storage element 100 may be a cavity made of plastic or metal, and the cavity may be filled with a porous material that stores liquid. During use, the liquid in the liquid storage element 100 is conducted to the atomizing core through the gas-liquid exchange element 290, and is atomized when necessary.

The aerosol shell 810 may be provided with a liquid injection hole (not shown) communicating with the interior of the liquid storage element 100, and a sealing plug (not shown) is provided on the liquid injection hole. That is, a liquid injection hole may be provided on the aerosol bomb casing 810 where the aerosol bomb 800 is located at the position of the liquid storage element 100 . When the liquid storage element 100 needs to be supplemented with liquid, the sealing plug is opened, liquid is injected, and the sealing plug is re-inserted into the liquid injection hole. The use of the aerosol bomb 800 with an open liquid injectable structure can further reduce the use cost of the aerosol bomb 800 .

When in use, the main unit with the atomizing core is inserted into the bottom accommodating chamber 820, the atomizing core is in contact with the gas-liquid exchange element 290, the liquid on the atomizing core is atomized, the liquid content on the atomizing core is reduced, and the gas-liquid exchange element 290 conducts the liquid from the reservoir element 100 to the atomizing core. As the liquid in the liquid storage element 100 is exported and atomized, the negative pressure in the liquid storage element 100 increases. When the pressure difference between the liquid storage element and the outside world reaches a certain range, the outside air passes through the gas-liquid exchange element 290 and enters the liquid storage element. 100.

Second Embodiment

FIG. 2 is a schematic longitudinal cross-sectional view of the aerosol bomb according to the second embodiment disclosed in the present invention. The structure of this embodiment is similar to that of the first embodiment, and the same parts as those of the first embodiment will not be repeated in the description of this embodiment.

As shown in FIG. 2 , according to the aerosol bomb 800 according to the first embodiment of the present invention, the aerosol bomb 800 does not have an atomizing core, and the aerosol bomb 800 includes a liquid storage element 100 , and a gas-liquid block for the bottom opening of the liquid storage element 100 . Exchange element 290 and aerosol channel 1303 extending axially through storage element 100 .

In this embodiment, the aerosol bomb 800 further includes a condensate absorbing element 400, and the condensate absorbing element 400 is installed in the aerosol channel 1303, which can absorb the condensate generated by the aerosol and improve the consumption experience.

In this embodiment, the aerosol bomb also includes a silicone aerosol tube cap 1304 . As shown in FIG. 2 , the longitudinal section of the silicone aerosol tube cap 1304 is an inverted T-shaped tubular structure having a through hole axially penetrating the silicone aerosol tube cap 1304 . The silicone aerosol tube cap 1304 is inserted into the aerosol channel 1303 from one end of the aerosol inlet of the aerosol channel 1303, the outer peripheral wall of the inserted part abuts against the inner peripheral wall of the aerosol channel 1303, and its non-inserted end abuts against the aerosol channel 1303 end of . The outer diameter of the non-inserted end of the silicone aerosol tube cap 1304 is larger than the outer diameter of the aerosol channel 1303, so that the non-inserted end of the silicone aerosol tube cap 1304 can support and position the gas-liquid exchange element 290 effect. Silicone is resistant to high temperature and can be used stably under normal atomization temperature. Therefore, the use of silicone aerosol tube cap 1304 can reduce the temperature resistance requirements for the wall of the aerosol channel 1303, and can expand the manufacture of aerosol shells and aerosol channels 1303. The range of material selection for the pipe wall.

The silicone aerosol tube cap 1304 can also prevent the condensate absorbing element 400 from falling off the aerosol channel 1303 . In addition, a filter component can also be installed at the aerosol inlet of the silicone aerosol tube cap 1304, and the filter component can be a filter screen or a filter baffle with holes or a baffle plate (not shown), or it can be arranged at the aerosol inlet. The baffle at the location is used to prevent the large atomized droplets from rushing upward directly into the aerosol channel 1303 . When a baffle is used, the atomized aerosol needs to bypass the baffle and then enter the aerosol channel 1303 , which can effectively prevent the large-particle atomized droplets from rushing up directly into the aerosol channel 1303 .

Third Embodiment

3 is a schematic longitudinal cross-sectional view of the aerosol bomb according to the third embodiment disclosed in the present invention. The structure of this embodiment is similar to that of the first embodiment, and the same parts as those of the first embodiment will not be repeated in the description of this embodiment.

As shown in FIG. 3 , according to the aerosol bomb 800 according to the third embodiment of the present invention, the aerosol bomb 800 does not have an atomizing core, and the aerosol bomb 800 includes a liquid storage element 100 , and a gas-liquid block for the bottom opening of the liquid storage element 100 . Exchange element 290 and aerosol channel 1303 extending axially through storage element 100 .

In this embodiment, a top seal 821 and a bottom seal 822 may be provided on the aerosol bomb 800 . The top seal 821 is used to seal the top of the aerosol housing 810 and the bottom seal 822 is used to seal the bottom of the aerosol housing 810 . For example, a top seal 821 or a bottom seal 822 made of silicone, as shown in Figure 1c. The top seal 821 made of silicone can also be used on the top, and the bottom of the aerosol bomb 800 can be sealed with a paper-plastic composite film or a paper-aluminum-plastic composite film. The top seal 821 and the bottom seal 822 can prevent contamination of the aerosol bomb 800 during storage and transportation on the one hand, and can reduce or avoid liquid leakage of the aerosol bomb 800 during storage and transportation on the other hand.

Fourth Embodiment

Fig. 4a is a schematic longitudinal cross-sectional view of the aerosol bomb of the fourth embodiment disclosed in the present invention; Fig. 4b is a schematic cross-sectional view of the gas-liquid exchange element in Fig. 4a; Fig. 4c is another schematic view of the gas-liquid exchange element in Fig. 4a A schematic diagram of a cross-section. The structure of this embodiment is similar to that of the first embodiment, and the same parts as those of the first embodiment will not be repeated in the description of this embodiment.

As shown in FIG. 4 a , according to the aerosol bomb 800 according to the fourth embodiment of the present invention, the aerosol bomb 800 does not have an atomizing core, and the aerosol bomb 800 includes a liquid storage element 100 , and a gas-liquid blocker that blocks the bottom opening of the liquid storage element 100 . Exchange element 290 and aerosol channel 1303 extending axially through storage element 100 .

In this embodiment, the gas-liquid exchange element 290 is formed by thermal bonding of bicomponent fibers 2 of a sheath-core structure to form a three-dimensional network three-dimensional structure, the skin layer 21 of the bicomponent fibers 2 is polyethylene, and the core layer 22 is polypropylene . The cross section of the gas-liquid exchange element 290 is circular, and a gas-liquid exchange element through hole 2903 is provided in the center. The gas-liquid exchange element 290 includes a high capillary portion 2901 near the center and a low capillary portion 2902 away from the center but adjacent to the high capillary portion. The density of the low capillary portion 2902 is 0.035-0.15 g/cm ³ , and the density of the high capillary portion 2901 is 0.15-0.3 g/cm ³ . It is also possible to make the density of the high capillary part and the low capillary part similar, both in the range of 0.035-0.3 g/ ^cm3 , but the high capillary part 2901 is made of fibers with a smaller fineness, and the low capillary part 2902 is made of fibers with a larger fineness. . The capillary pressure of the low capillary portion 2902 is 1 mm-35 mm, preferably the capillary pressure of the low capillary portion 2902 is 2 mm to 25 mm, more preferably 3 mm-10 mm. An appropriate capillary pressure of the low capillary portion 2902 can be selected according to different atomization requirements.

In this embodiment, if both the high capillary portion 2901 and the low capillary portion 2902 are wetted by liquid, both the high capillary portion 2901 and the low capillary portion 2902 can conduct liquid, but only the low capillary portion 2902 can conduct gas.

The high capillary portion 2901 and the low capillary portion 2902 can be integrally formed, or can be assembled together after being formed separately.

Preferably, the low capillary part 2902 has a buffer space, and the buffer space refers to a part of the low capillary part 2902 that is not wetted by liquid during normal use. In this case, the thickness of the gas-liquid exchange element 290 is preferably greater than or equal to 2 mm, such as 2 mm, 3 mm, 4 mm, 5 mm, 7 mm, 10 mm, etc. The definition of the space determines the thickness of the gas-liquid exchange element 290, but in order to ensure the existence of the buffer space, the gas-liquid exchange element 290 cannot be smaller than 2 mm at least. Under normal use, if the high capillary part 2901 is wetted by liquid, but the low capillary part 2902 is only partially wetted by liquid, and the buffer space will not be wetted, the high capillary part 2901 can conduct liquid, and the low capillary part 2902 can conduct gas , in this case, the portion of the low capillary portion 2902 that is not wetted by the liquid has a buffer space to reduce the risk of liquid leakage from the aerosol bomb. When the air pressure changes sharply during transportation or in extreme environments, the buffer space can temporarily store the liquid that is conducted in excess in the liquid element 100 , thereby effectively avoiding the risk of liquid leakage from the aerosol bomb 800 .

The outer peripheral wall of the gas-liquid exchange element 290 is closely matched with the inner peripheral wall of the aerosol bomb housing 810 , and one side of the gas-liquid exchange element 290 is in contact with the liquid in the liquid storage element 100 . When in use, the aerosol bomb 800 is installed on the host with the atomizing core, the atomizing core is inserted into the bottom accommodating chamber 820 of the aerosol bomb 800, and the other side of the gas-liquid exchange element 290 is in contact with the atomizing core, thus, the The liquid in the liquid storage element 100 is conducted to the atomizing core.

As shown in FIG. 4b, the cross-section of the gas-liquid exchange element 290 in this embodiment may be circular, and the gas-liquid exchange element 290 has a gas-liquid exchange element through hole 2903 axially penetrating the gas-liquid exchange element 290, and the low capillary portion 2902 coats the high capillary portion 2901.

The cross-section of the gas-liquid exchange element 290 in this embodiment can also be the structure shown in FIG. 4c , that is, the cross-section of the high capillary portion 2901 is rectangular, and the cross-section of the low capillary portion 2902 is two hemispherical or two arcuate shapes structure to meet the needs of various designs of the aerosol bomb 800.

Fifth Embodiment

FIG. 5 is a schematic longitudinal cross-sectional view of the aerosol bomb according to the fifth embodiment disclosed in the present invention. The structure of this embodiment is similar to that of the first embodiment, and the same parts as those of the first embodiment will not be repeated in the description of this embodiment.

As shown in FIG. 5 , according to the aerosol bomb 800 according to the fifth embodiment of the present invention, the aerosol bomb 800 does not have an atomizing core, and the aerosol bomb 800 includes a liquid storage element 100 , and a gas-liquid block for the bottom opening of the liquid storage element 100 . Exchange element 290 and aerosol channel 1303 extending axially through storage element 100 .

This embodiment is suitable for the large-capacity aerosol bomb 800 . Due to the large size of the aerosol shell 810 , a partially hollowed out aerosol separator 811 in the center can be assembled in the bottom opening of the liquid storage element 100 , the outer peripheral wall of the aerosol separator 811 and the aerosol shell 810 The inner peripheral wall of the aerosol bomb is tightly assembled, and the gas-liquid exchange element 290 is installed in the central hollow part of the aerosol bomb baffle 811 . The hollow spacer 811 of the aerosol bomb can provide positioning and support for the gas-liquid exchange element 290, and at the same time, the size of the gas-liquid exchange element 290 can be reduced.

Sixth Embodiment

Fig. 6a is a schematic longitudinal cross-sectional view of the aerosol bomb according to the sixth embodiment disclosed in the present invention; Fig. 6b is a cross-sectional schematic view of the gas-liquid exchange element in Fig. 6a. The structure of this embodiment is similar to that of the first embodiment, and the same parts as those of the first embodiment will not be repeated in the description of this embodiment.

As shown in FIG. 6a , according to the aerosol bomb 800 according to the sixth embodiment of the present invention, the aerosol bomb 800 does not have an atomizing core, and the aerosol bomb 800 includes a liquid storage element 100 , and a gas-liquid blocker that blocks the bottom opening of the liquid storage element 100 . Exchange element 290 and aerosol channel 1303 extending axially through storage element 100 .

The liquid storage element 100 is formed by the space enclosed by the aerosol bomb casing 810 , the wall of the aerosol channel 1303 and the gas-liquid exchange element 290 . The liquid storage element 100 may have a liquid storage element through hole 130 axially extending through the liquid storage element 100 , and the liquid storage element through hole 130 may simultaneously serve as the aerosol channel 1303 . In this embodiment, the liquid storage element 100 is filled with a porous liquid storage material, and the porous liquid storage material has a certain capillary force, which can further reduce the risk of liquid leakage. One end of the aerosol channel 1303 passes through the gas-liquid exchange element 290, and is tightly fitted with the inner hole of the gas-liquid exchange element 290 to prevent liquid leakage.

In this embodiment, the gas-liquid exchange element 290 is thermally bonded to form a three-dimensional network of bicomponent fibers 2 with a skin-core structure. The skin layer 21 of the bicomponent fiber 2 is Co-PET, and the core layer 22 is PET. A through hole of the gas-liquid exchange element 290 is provided in the center of the gas-liquid exchange element 290 . The density of the gas-liquid exchange element 290 is 0.035-0.3 g/cm ³ , preferably 0.05-0.2 g/cm ³ . The capillary pressure of the gas-liquid exchange element 290 is 1 mm to 35 mm, preferably 2 mm to 25 mm. An appropriate density and capillary pressure of the gas-liquid exchange element 290 can be selected according to different atomization requirements.

The outer peripheral wall of the gas-liquid exchange element 290 is closely matched with the inner peripheral wall of the aerosol bomb housing 810 , and one side of the gas-liquid exchange element 290 is in contact with the liquid in the liquid storage element 100 . When in use, the aerosol bomb 800 is installed on the host with the atomizing core, the atomizing core is inserted into the bottom accommodating chamber 820 of the aerosol bomb 800, and the other side of the gas-liquid exchange element 290 is in contact with the atomizing core. The liquid in the liquid storage element 100 is conducted to the atomizing core.

Seventh Embodiment

FIG. 7 is a schematic longitudinal sectional view of the aerosol bomb according to the seventh embodiment disclosed in the present invention. The structure of this embodiment is similar to that of the first embodiment, and the same parts as those of the first embodiment will not be repeated in the description of this embodiment.

As shown in FIG. 7 , according to the aerosol bomb 800 according to the seventh embodiment of the present invention, the aerosol bomb 800 does not have an atomizing core, and the aerosol bomb 800 includes a liquid storage element 100 and a gas-liquid blocker that blocks the bottom opening of the liquid storage element 100 Exchange element 290 and aerosol channel 1303 extending axially through storage element 100 .

The lower portion of the gas-liquid exchange element 290 extends out of the bottom opening of the liquid storage element 100 . Since the lower part of the gas-liquid exchange element 290 extends out of the bottom opening of the liquid storage element 100 , the height of the gas-liquid exchange element 290 can be increased, and thus the capacity of the buffer space of the low capillary part 2902 can be further increased, thereby preventing the aerosol bomb 800 from preventing The leak function can be further enhanced.

The height of the lower portion of the gas-liquid exchange element 290 beyond the lower end of the aerosol channel 1303 is preferably more than a quarter of the height of the gas-liquid exchange element 290 , more preferably more than half of the height of the gas-liquid exchange element 290 . In this case, the outer peripheral wall of the gas-liquid exchange element 290 is closely matched with the inner peripheral wall of the aerosol shell 810 , and one side of the gas-liquid exchange element 290 is in contact with the liquid in the liquid storage element 100 . When in use, the aerosol bomb 800 is installed on a host with an atomizing core, and after the atomizing core is inserted into the bottom accommodating chamber 820 of the aerosol bomb 800, it can contact the atomizing core through the inner peripheral wall of the gas-liquid exchange element 290, thereby , conduct the liquid in the liquid storage element 100 to the atomizing core. In this way, the structure of the aerosol bomb 800 can be made more compact and the assembly is more convenient.

To sum up, the aerosol bomb of the present invention does not include an atomizing core, and the aerosol bomb is replaced after the liquid is used up, and the atomizing core can be reused, thus greatly reducing costs and reducing resource waste. When in use, install the aerosol bomb and atomizing core on the host, the gas-liquid exchange element can stably conduct liquid to the atomizing core, and introduce gas into the liquid storage element when necessary, so as to maintain a stable pressure in the liquid storage element , so as to ensure stable atomization. The gas-liquid exchange element made of fiber has high strength and toughness, is not easy to be wrinkled or broken during installation, can be easily assembled in aerosol bombs, easily realize assembly automation, improve efficiency and save costs. The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical idea disclosed in the present invention should still be covered by the claims of the present invention.

Claims (15)

An aerosol bomb, characterized in that the aerosol bomb does not have an atomizing core, and the aerosol bomb includes a liquid storage element, a gas-liquid exchange element that blocks the opening at the bottom of the liquid storage element, and an axial through hole. The aerosol channel of the liquid storage element. The aerosol bomb according to claim 1, wherein the capillary pressure of the gas-liquid exchange element is 1mm-35mm. The aerosol bomb according to claim 1, wherein the gas-liquid exchange element comprises a high capillary part and a low capillary part, and the capillary pressure of the low capillary part is 1 mm-35 mm. The aerosol bomb according to claim 3, wherein the low capillary portion has a buffer space therein. The aerosol bomb according to claim 1, wherein the density of the gas-liquid exchange element is 0.035 g/cm ³ -0.3 g/cm ³ . The aerosol bomb according to claim 1, wherein the gas-liquid exchange element is made of a three-dimensional network three-dimensional structure by fiber bonding. The aerosol bomb according to claim 6, wherein the fiber is a bicomponent fiber having a skin layer and a core layer, and the core layer has a melting point higher than that of the skin layer by more than 20°C. The aerosol bomb according to claim 7, wherein the skin layer of the bicomponent fiber is polyolefin, copolyester of polyethylene terephthalate, polyethylene terephthalate, polyethylene terephthalate Butylene terephthalate, polylactic acid or polyamide-6. The aerosol bomb according to claim 1, wherein the aerosol bomb further comprises a bottom accommodating chamber arranged below the gas-liquid exchange element. The aerosol bomb of claim 1, wherein the aerosol bomb further comprises a bottom seal and a top seal. The aerosol bomb according to claim 1, wherein the aerosol bomb comprises an aerosol bomb casing, and a liquid injection hole communicating with the interior of the liquid storage element is provided on the aerosol bomb casing, and the injection hole is provided on the aerosol bomb casing. A sealing plug is arranged on the liquid hole. The aerosol bomb according to claim 1, wherein the liquid storage element is filled with a porous liquid storage material. The aerosol bomb according to claim 1, wherein the thickness of the gas-liquid exchange element is greater than or equal to 1 mm. The aerosol bomb according to claim 1, wherein the lower part of the gas-liquid exchange element extends out of the bottom opening of the liquid storage element. The aerosol bomb according to claim 14, wherein the height of the portion of the lower portion of the gas-liquid exchange element beyond the lower end of the aerosol passage exceeds a quarter of the height of the gas-liquid exchange element.

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