CN112618057B - Dental contra-angle handpiece head assembly and dental contra-angle handpiece - Google Patents
Dental contra-angle handpiece head assembly and dental contra-angle handpiece Download PDFInfo
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- CN112618057B CN112618057B CN202110017563.1A CN202110017563A CN112618057B CN 112618057 B CN112618057 B CN 112618057B CN 202110017563 A CN202110017563 A CN 202110017563A CN 112618057 B CN112618057 B CN 112618057B
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- reversing valve
- flow channel
- mobile phone
- working position
- handpiece
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 21
- 210000003128 head Anatomy 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 210000000214 mouth Anatomy 0.000 claims description 6
- 108091006146 Channels Proteins 0.000 description 68
- 102000010637 Aquaporins Human genes 0.000 description 26
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000008174 sterile solution Substances 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/0053—Portable units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/0061—Air and water supply systems; Valves specially adapted therefor
- A61C1/0076—Sterilising operating fluids or fluid supply elements such as supply lines, filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
- A61C1/12—Angle hand-pieces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/002—Sealings comprising at least two sealings in succession
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
一种牙科弯手机机头组件和牙科弯手机，机头组件包括手机主体，手机主体设有相互独立的第一流道和第二流道，第一流道用于与马达的出液口连通，第二流道用于与外接管道连通；换向阀，换向阀设有汇流通道以及均与汇流通道连通的第一接口和第二接口；换向阀与手机主体活动连接，以在第一工作位置和第二工作位置之间相互切换；处于第一工作位置时，第一接口与第一流道连通且第二接口与第二流道阻断；处于第二工作位置时，第一接口与第一流道阻断且第二接口与第二流道连通；以及内水管，内水管与汇流通道连通，用于将流体输送至手机主体的头部。牙科弯手机能按需调整工作状态，功能多样化，使用便捷可靠。
A dental contra-angle handpiece head assembly and a dental contra-angle handpiece, the head assembly comprising a handpiece body, the handpiece body being provided with a first flow channel and a second flow channel which are independent of each other, the first flow channel being used to communicate with a liquid outlet of a motor, and the second flow channel being used to communicate with an external pipe; a reversing valve, the reversing valve being provided with a confluence channel and a first interface and a second interface both being communicated with the confluence channel; the reversing valve being movably connected to the handpiece body to switch between a first working position and a second working position; when in the first working position, the first interface is communicated with the first flow channel and the second interface is blocked with the second flow channel; when in the second working position, the first interface is blocked with the first flow channel and the second interface is communicated with the second flow channel; and an inner water pipe, the inner water pipe being communicated with the confluence channel and being used to deliver a fluid to the head of the handpiece body. The dental contra-angle handpiece can adjust the working state as required, has diversified functions, and is convenient and reliable to use.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a dental handpiece assembly and a dental handpiece.
Background
The existing dental elbow phone mainly comprises an inner water channel and an outer water channel, the dental elbow phone of the inner water channel is frequently used, namely, a water channel and a gas channel are arranged in the dental elbow phone, water and gas are transmitted to the water channel and the gas channel in the dental elbow phone through a motor, and the water and the gas are sprayed out at the front end of the dental elbow phone to form atomized water. Because the water sprayed by the dental elbow piece is conveyed by the water way of the motor, and the motor water way cannot be disinfected and sterilized, when the clinical treatment of diseases such as oral cavity and the like is carried out by receiving physiological saline or other sterile solutions for aseptic operation, the existing internal water way dental elbow piece cannot be realized, and the special external water way dental elbow piece is required, so that the use is not convenient. In addition, the existing external water channel dental elbow phone is not provided with a built-in water channel, and can not directly provide cooling water by a dental chair when no sterile environment is needed, so that the dental elbow phone is inconvenient to use.
The research shows that the existing dental bending hand piece has the following defects:
has single function and inconvenient use.
Disclosure of Invention
The invention aims to provide a dental handpiece assembly and a dental handpiece, which can be mutually switched in two states of an inner water channel and an outer water channel, and are convenient to operate.
Embodiments of the present invention are implemented as follows:
In a first aspect, the present invention provides a dental hand piece handpiece assembly comprising:
The mobile phone body is provided with a first flow passage and a second flow passage which are mutually independent, the first flow passage is used for being communicated with a liquid outlet of the motor, and the second flow passage is used for being communicated with an external pipeline;
The reversing valve is provided with a converging channel, and a first interface and a second interface which are both communicated with the converging channel; the reversing valve is movably connected with the mobile phone main body so as to be switched between a first working position and a second working position; when the first working position is adopted, the first interface is communicated with the first flow channel, and the second interface is blocked from the second flow channel; when the first interface is in the second working position, the first interface is blocked from the first flow channel and the second interface is communicated with the second flow channel;
and the inner water pipe is communicated with the converging channel and is used for conveying fluid to the head of the mobile phone body.
In an alternative embodiment, the mobile phone body is provided with an assembly hole, and the first runner and the second runner are communicated with the assembly hole; the reversing valve is arranged in the assembly hole and is slidably matched with the mobile phone body in the extending direction of the mobile phone body, so that the reversing valve can be switched between a first working position and a second working position.
In an alternative embodiment, the mobile phone body has a front end for extending into the oral cavity and a rear end close to the operator, the fitting hole is provided on an end face where the rear end is located, and the second flow passage is provided closer to the rear end than the first flow passage.
In an alternative embodiment, the dental elbow handset further comprises a toggle member, the toggle member is connected with the reversing valve, the toggle member protrudes out of the outer peripheral surface of the handset body, and the toggle member is slidably matched with the handset body in the extending direction of the handset body so as to drive the reversing valve to switch between the first working position and the second working position.
In an alternative embodiment, the mobile phone body is provided with a first limiting part and a second limiting part which are arranged at intervals in the extending direction of the mobile phone body, the stirring piece is located between the first limiting part and the second limiting part, and the first limiting part and the second limiting part are used for alternatively propping against the stirring piece to limit the sliding range of the stirring piece.
In an alternative embodiment, when the reversing valve is in the first working position, the toggle piece is abutted against the first limiting part; when the reversing valve is in the second working position, the stirring piece is propped against the second limiting part.
In an alternative embodiment, the handset body is provided with a pressure relief hole in communication with the mounting hole.
In an alternative embodiment, the inner water pipe is inserted into the confluence passage, and the inner water pipe is slidably engaged with the reversing valve in the extending direction of the main body of the mobile phone.
In an alternative embodiment, the dental hand-piece handpiece assembly further includes a seal disposed between the diverter valve and the handpiece body for sealing a gap between the handpiece body and the diverter valve.
In a second aspect, the present invention provides a dental hand piece comprising:
the dental hand piece handpiece assembly of any one of the preceding embodiments.
In an alternative embodiment, the dental elbow handset further comprises a motor and an external pipeline, the motor is in plug-in fit with the handset body, and a liquid outlet of the motor is communicated with the first flow channel; the external pipeline is spliced with the mobile phone main body and is communicated with the second flow passage.
The embodiment of the invention has the beneficial effects that:
In summary, this embodiment provides a dental handpiece assembly, when carrying out clinical treatment, adjusts the state of handpiece assembly as required according to the scene condition, makes its adjustment be corresponding internal water course water delivery or external water course water delivery, and the simple operation is reliable. Specifically, when the internal water channel water delivery is needed, namely, a water source is delivered to an internal water pipe from a motor, a reversing valve is adjusted, so that the reversing valve moves to a first working position, at the moment, a first interface is communicated with a first flow channel, a liquid outlet of the motor is communicated with the first interface through the first flow channel, the first interface is communicated with the internal water pipe through a converging channel, water delivered by the motor flows to the internal water pipe sequentially through the first flow channel, the first interface and the converging channel, flows out of the internal water pipe and is mixed with gas to form water mist. When the outer water channel is required to convey water, namely, a water source is not conveyed to the inner water pipe from the motor, but is conveyed to the inner water pipe from the external pipeline, the reversing valve is adjusted, so that the reversing valve moves to a second working position, the second interface is communicated with the second flow channel, at the moment, the external pipeline, the second flow channel, the second interface, the confluence channel and the inner water pipe are sequentially communicated, water conveyed through the external pipeline can smoothly flow to the inner water pipe, and flows out from the inner water pipe to be mixed with gas to form water mist. So, the aircraft nose subassembly that this embodiment provided can be switched each other between inner water course water delivery state and outer water course water delivery state to satisfy the user demand of different scenes, it is nimble convenient to use, safe and reliable.
Meanwhile, when the reversing valve is switched between the first working position and the second working position, when the first interface is communicated with the first flow channel, the overlapped part of the first interface and the first flow channel is gradually increased, and the flow can be adjusted by adjusting the overlapped area of the first interface and the second flow channel, so that the flow adjustable function is realized. Similarly, when the second interface is communicated with the second flow passage, the flow adjustment can be realized by adjusting the superposition area of the second interface and the second flow passage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a dental handpiece assembly in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of an exploded view of a dental handpiece assembly in accordance with an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a dental hand piece handpiece assembly in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a partial enlarged structure at IV in FIG. 3;
Fig. 5 is a schematic diagram of a partially cross-sectional structure of a mobile phone body according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a reversing valve and toggle member according to an embodiment of the present invention;
FIG. 7 is a schematic view of a portion of a dental handpiece assembly in accordance with an embodiment of the present invention;
fig. 8 is an exploded view of a dental hand piece according to an embodiment of the present invention.
Icon:
100-a mobile phone main body; 101-front end; 102-a back end; 103-jack; 110-a first flow channel; 120-a second flow channel; 130-fitting holes; 131-an insertion end; 140-a pressure relief hole; 150-a supporting surface; 160-an operation hole; 161-a first limit part; 162-a second limit; 170-annular airway; 200-reversing valve; 201-a first end; 202-a second end; 210-confluence channel; 220-a first interface; 230-a second interface; 240-an annular positioning groove; 300-inner water pipe; 400-toggle piece; 500-supporting ring; 600-fasteners; 700—a first seal; 800-a second seal; 900-an external pipeline; 001-a housing; 1001-notch; 002-motor; 2001-liquid outlet; 2020-air outlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
At present, the dental elbow phone mainly comprises an inner water channel elbow phone and an outer water channel elbow phone, wherein water of the inner water channel elbow phone is conveyed to an inner water pipe through a motor; the water of the outer water channel bent mobile phone is conveyed to the inner water pipe through the outer pipe. Because the motor part of the inner water pipe is not easy to disinfect and clean, the bent mobile phone of the inner water pipe is not suitable for conveying sterile solution, and at the moment, the bent mobile phone of the outer water pipe is required to be used for treatment, so that the operation is complex, the labor intensity is high, and the efficiency is low. Meanwhile, when the outer water channel bent mobile phone is used for conveying liquid, an external pipe of the outer water channel bent mobile phone is close to a machine head of the mobile phone, so that the occupied space is large, and the operation is inconvenient. In other words, the existing dental elbow phones have single functions and are inconvenient to use.
Referring to fig. 1-7, in view of this, the present embodiment provides a dental elbow handpiece assembly capable of simultaneously satisfying the requirement of delivering liquid through an inner water channel and an outer water channel, having diversified functions, convenient switching, convenient operation, reduced labor intensity, and improved operation efficiency.
Referring to fig. 1-4, in this embodiment, a dental hand piece head assembly includes:
The mobile phone body 100, the mobile phone body 100 is provided with a first flow channel 110 and a second flow channel 120 which are mutually independent, the first flow channel 110 is used for being communicated with a liquid outlet 2001 of the motor 002, and the second flow channel 120 is used for being communicated with an external pipeline 900;
The reversing valve 200, the reversing valve 200 is provided with a converging channel 210, and a first interface 220 and a second interface 230 which are communicated with the converging channel 210; the reversing valve 200 is movably connected with the mobile phone body 100 to be switched between a first working position and a second working position; when in the first working position, the first port 220 is in communication with the first flow channel 110 and the second port 230 is blocked from the second flow channel 120; in the second operating position, the first port 220 is blocked from the first flow passage 110 and the second port 230 is in communication with the second flow passage 120;
And an inner water pipe 300, the inner water pipe 300 communicating with the confluence passage 210 for delivering fluid to the head of the handset body 100.
The dental elbow handpiece component provided by the embodiment can adjust the state of the handpiece component according to the site situation when in clinical treatment, so that the dental elbow handpiece component can be adjusted to be in water delivery of a corresponding internal water channel or external water channel, and the operation is convenient and reliable. Specifically, when the water is required to be delivered from the water source to the inner water pipe 300 through the motor 002, the reversing valve 200 is adjusted to move the reversing valve 200 to the first working position, at this time, the first port 220 is communicated with the first flow channel 110, the liquid outlet 2001 of the motor 002 is communicated with the first port 220 through the first flow channel 110, the first port 220 is communicated with the inner water pipe 300 through the confluence channel 210, and the water delivered by the motor 002 flows to the inner water pipe 300 through the first flow channel 110, the first port 220 and the confluence channel 210 in sequence, flows out from the inner water pipe 300 and is mixed with gas to form water mist. When the external water channel is required to deliver water, that is, the water source is not delivered to the internal water pipe 300 from the motor 002, but is delivered to the internal water pipe 300 from the external pipeline 900, the reversing valve 200 is adjusted to move the reversing valve 200 to the second working position, the second port 230 is communicated with the second flow channel 120, at this time, the external pipeline 900, the second flow channel 120, the second port 230, the confluence channel 210 and the internal water pipe 300 are sequentially communicated, and the water delivered through the external pipeline 900 can smoothly flow to the internal water pipe 300 and flow out from the internal water pipe 300 to be mixed with gas to form water mist. So, the aircraft nose subassembly that this embodiment provided can be switched each other between inner water course water delivery state and outer water course water delivery state to satisfy the user demand of different scenes, the function is various, uses nimble convenient, improves the operating efficiency.
Meanwhile, when the reversing valve 200 is switched between the first working position and the second working position, in the process of communicating the first interface 220 with the first flow channel 110, the flow rate can be adjusted by adjusting the overlapping area of the first interface 220 and the first flow channel 110, so that the function of adjusting the flow rate is realized. Similarly, in the process of communicating the second port 230 with the second flow channel 120, the flow rate adjustment can be achieved by adjusting the overlapping area of the second port 230 and the second flow channel 120.
Referring to fig. 5, in the present embodiment, optionally, the mobile phone body 100 has a front end 101 that is close to the patient in the working state and a rear end 102 for the operator to hold, where the front end 101 may also be referred to as a head end and the rear end 102 may also be referred to as a tail end. The terminal surface that rear end 102 place of cell-phone main part 100 is equipped with the jack 103 that is used for grafting motor 002, and the inner peripheral wall of cell-phone main part 100 is equipped with annular first runner 110, and first runner 110 sets up around the axis of jack 103, and the outer peripheral wall of cell-phone main part 100 is equipped with second runner 120, and first runner 110 is located the one side that second runner 120 is close to cell-phone main part 100 front end 101. That is, the second flow channel 120 is disposed near the rear end 102 of the mobile phone body 100, in other words, the distance between the second flow channel 120 and the rear end 102 is smaller than the distance between the second flow channel 120 and the front end 101, so that the external connection pipe 900 communicating with the second flow channel 120 does not increase the volume of the head end, and when the head end extends into the oral cavity of the patient, the external connection pipe 900 does not enter the oral cavity, and the head end has small volume and is convenient to operate.
Further, the mobile phone body 100 is further provided with an assembly hole 130 and a pressure relief hole 140 communicated with the assembly hole 130, the assembly hole 130 and the pressure relief hole 140 extend along the length direction of the mobile phone body 100, one end of the assembly hole 130 close to the front end 101 of the mobile phone body 100 is an insertion end 131, and the pressure relief hole 140 is communicated with one end of the assembly hole 130 close to the rear end 102 of the mobile phone body 100, that is, the pressure relief hole 140 is located at one side of the assembly hole 130 close to the rear end 102 of the mobile phone body 100, and meanwhile, one end of the pressure relief hole 140 away from the assembly hole 130 extends to the end face of the rear end 102 of the mobile phone body 100.
Alternatively, the assembly hole 130 and the pressure relief hole 140 are cylindrical holes, the assembly hole 130 is coaxial with the pressure relief hole 140, and the diameter of the assembly hole 130 is larger than that of the pressure relief hole 140, so as to form an annular abutting surface 150 at the communication position of the assembly hole 130 and the pressure relief hole 140.
The first flow channel 110 communicates with the assembly hole 130 through a connection hole, and the second flow channel 120 communicates with the assembly hole 130.
Further, the mobile phone body 100 is further provided with an operation hole 160 communicated with the assembly hole 130, the operation hole 160 is located on the outer peripheral wall of the mobile phone body 100, a first limiting portion 161 and a second limiting portion 162 are arranged on the wall of the operation hole 160 at intervals in the axial direction of the mobile phone body 100, and the first limiting portion 161 and the second limiting portion 162 are used for limiting the sliding range of the reversing valve 200 in the extending direction of the mobile phone body 100.
Optionally, the operation hole 160 may be a bar hole, where the operation hole 160 extends along the axial direction of the mobile phone body 100, so that the operation hole 160 has a small volume, small occupied space, and is convenient for processing, and is not easy to weaken the strength of the mobile phone body 100.
Referring to fig. 6, in the present embodiment, alternatively, the reversing valve 200 has a cylindrical structure, the first end 201 of the reversing valve 200 in the axial direction is provided with a converging channel 210, and the converging channel 210 has a distance from the second end 202 of the reversing valve 200 in the axial direction. The first ports 220 and the second ports 230 are both provided on the circumferential wall of the reversing valve 200 with a space in the circumferential direction of the reversing valve 200, for example, the first ports 220 and the second ports 230 are uniformly spaced apart in the circumferential direction of the reversing valve 200, that is, the angle of the first ports 220 and the second ports 230 in the circumferential direction of the reversing valve 200 is 180 °. The first interface 220 is located on the side of the second interface 230 that is closer to the first end 201, i.e. the second connector is closer to the second end 202 than the first interface 220.
The reversing valve 200 may not be a cylindrical structure, for example, may be a structure with an oval cross section, a square cross section, or the like, and may be set as needed. By providing the reversing valve 200 in a cylindrical structure, it is convenient to seal the gap between the reversing valve 200 and the wall of the assembly hole 130.
When the direction valve 200 is assembled with the handpiece body 100, the second end 202 of the direction valve 200 is inserted from the insertion end 131 of the assembly hole 130, the first end 201 of the direction valve 200 corresponds to the insertion end 131, and the inner water pipe 300 is inserted into the first end 201 of the direction valve 200 from the insertion end 131. So designed, the direction changing valve 200 is slidably engaged with the assembly hole 130 in the axial direction of the assembly hole 130, and when the direction changing valve 200 is slid to the first position, the first port 220 communicates with the first flow passage 110 through the connection hole, and the outer circumferential wall of the direction changing valve 200 blocks the second flow passage 120, at this time, the internal water passage water delivery is possible. When the direction valve 200 slides to the second position, the outer peripheral wall of the direction valve 200 closes the connection hole, and the second port 230 communicates with the second flow passage 120, at which time the external water channel water delivery is possible. Meanwhile, when the second interface 230 is close to the rear end 102 of the mobile phone body 100 and the second interface 230 is connected with the external connection pipeline 900 through the second flow channel 120, the external connection pipeline 900 is located at the rear end 102 of the mobile phone body 100, the external connection pipeline 900 is not located at the front end 101 of the mobile phone body 100, the front end 101 of the mobile phone body 100 is small in size, and when the operation is performed, the required space is small, and the operation is convenient and flexible in an oral cavity with limited space.
Referring to fig. 6 and 7, in this embodiment, optionally, the dental elbow handpiece assembly further includes a stirring member 400, one end of the stirring member 400 is communicated with the reversing valve 200, and the stirring member 400 is disposed in the operation hole 160 and protrudes out of the peripheral wall of the handpiece body 100. The toggle member 400 is located between the first limiting portion 161 and the second limiting portion 162, and the outer wall of the toggle member 400 contacts the hole wall of the operation hole 160 in the circumferential direction of the mobile phone body 100, so as to prevent the reversing valve 200 from rotating in the assembly hole 130, so that the relative positions of the first interface 220, the second interface 230, the first flow channel 110 and the second flow channel 120 are accurate and reliable. When the position of the reversing valve 200 needs to be switched, the toggle member 400 is operated to slide between the first limiting portion 161 and the second limiting portion 162. Specifically, when the toggle member 400 moves to abut against the first limiting portion 161, the reversing valve 200 is at the first position, and at this time, the first interface 220 is communicated with the first flow channel 110, and the second interface 230 is blocked from the second flow channel 120; when the toggle member 400 moves to abut against the second limiting portion 162, the reversing valve 200 is at the second position, and at this time, the second port 230 is communicated with the second flow channel 120, and the first port 220 and the first flow channel 110 are blocked. The setting is convenient for adjust the position of switching-over valve 200 through stirring piece 400, and the operating condition of switching-over valve 200 is judged according to stirring piece 400's position to the while of being convenient for, and the simple operation is reliable.
In addition, since the connection portion between the assembly hole 130 and the pressure relief hole 140 has the abutment surface 150, when the reversing valve 200 slides from the first working position to the second working position, the abutment surface 150 has the function of limiting the sliding of the reversing valve 200, so as to prevent the reversing valve 200 from sliding out of the pressure relief hole 140. When the reversing valve 200 slides, gas can be discharged from the pressure relief hole 140, the reversing valve 200 slides flexibly, and is not easy to be blocked in the assembly hole 130. Obviously, when the reversing valve 200 is located at the second working position, the second end 202 of the reversing valve 200 does not necessarily abut against the abutting surface 150, and it is also feasible to perform the limiting only by abutting the second limiting portion 162 against the toggle member 400.
It should be appreciated that in other embodiments, a drive mechanism may be provided to drive the toggle 400 to move to adjust the position of the reversing valve 200 to allow the reversing valve 200 to be switched between the first operating position and the second operating position. For example, the driving mechanism may be a motor screw drive mechanism, a cylinder mechanism, a hydraulic cylinder mechanism, an electric push rod, or the like.
In addition, the switching valve 200 may not be configured to switch the operating position by sliding in a straight line with respect to the main body 100 of the mobile phone, for example, in other embodiments, the switching valve 200 may switch the operating position by rotating with respect to the main body 100 of the mobile phone, or the switching valve 200 may switch the operating position by sliding while rotating with respect to the main body 100 of the mobile phone.
Referring to fig. 7, in the present embodiment, alternatively, the inner water pipe 300 is inserted into the converging channel 210 from the first end 201 of the reversing valve 200 after passing through the insertion end 131, and the inner water pipe 300 is slidably engaged with the converging channel 210, that is, when the reversing valve 200 slides relative to the assembly hole 130, the inner water pipe 300 slides simultaneously, and meanwhile, the reversing valve 200 cannot be separated from the inner water pipe 300 during sliding, so that the connection stability of the two is high.
Further, the assembly hole 130 is provided with a holding ring 500, and the hole wall of the assembly hole 130 at one side of the holding ring 500 near the insertion end 131 is provided with an internal thread. The inner water pipe 300 is sleeved with the fastening piece 600 and the first sealing piece 700, the inner water pipe 300 penetrates through the supporting ring 500 and is inserted into the converging channel 210, the fastening piece 600 is screwed into the assembly hole 130, the first sealing piece 700 is clamped in the fastening piece 600 and the supporting ring 500, the sealing performance is good, and liquid leakage is not easy to occur.
In this embodiment, optionally, the dental handpiece assembly further includes a plurality of second sealing members 800, where the plurality of second sealing members 800 are disposed in the assembly hole 130 and located between the hole wall of the assembly hole 130 and the reversing valve 200, for sealing the hole wall of the assembly hole 130 and the outer peripheral wall of the reversing valve 200.
The second sealing member 800 may be embedded in the assembly hole 130, and after the reversing valve 200 is inserted into the assembly hole 130 from the insertion end 131 of the assembly hole 130, the wall of the assembly hole 130 and the reversing valve 200 are sealed by the second sealing member 800. Or the second sealing element 800 is sleeved outside the reversing valve 200, and is in a combined structure with the reversing valve 200, and when the reversing valve 200 is inserted into the assembly hole 130, the second sealing element 800 seals the reversing valve 200 and the wall of the assembly hole 130. In this embodiment, the second seal 800 is sleeved outside the reversing valve 200.
The number of the second sealing elements 800 is five, the five second sealing elements 800 are all sleeved outside the reversing valve 200, further, five annular positioning grooves 240 are formed in the peripheral wall of the reversing valve 200, the five second sealing elements 800 are respectively arranged in the five annular positioning grooves 240, the positions of the second sealing elements 800 are accurate and reliable, displacement is not easy, and the sealing effect is good.
For convenience of description, it is set that in the direction from the first end 201 to the second end 202 of the reversing valve 200, the five second seals 800 are the seal a, the seal b, the seal c, the seal d, and the seal e, respectively, and when the five second seals 800 are assembled with the reversing valve 200, the first port 220 on the reversing valve 200 is located between the seal c and the seal d, and the second port 230 on the reversing valve 200 is located between the seal d and the seal e. When the reversing valve 200 is in the first working position, the first flow passage 110 is communicated with the first port 220, and the first flow passage 110 and the first port 220 are both positioned between the sealing element d and the sealing element e; when the reversing valve 200 is in the second operating position, the second flow passage 120 communicates with the second port 230, both the second flow passage 120 and the second port 230 are located between seal d and seal e, and the first flow passage 110 is located between seal b and seal c.
The first seal 700 and the second seal 800 may be sealing rings, and the sealing rings may be O-rings, V-rings, rectangular rings, or the like. The shapes of the first and second seals 700 and 800 may be set to be different.
In other embodiments, the dental hand-piece handpiece assembly further includes an external conduit 900, the external conduit 900 being plugged into the second interface 230.
It should be noted that, the inner peripheral wall of the mobile phone body 100 is further provided with an annular air passage 170, which is used for being communicated with the air outlet 2020 of the motor 002, the annular air passage 170 is communicated with an air pipe, the air pipe is used for conveying air to the front end 101 of the mobile phone body 100, and the air and the water are matched at the front end 101 of the mobile phone body 100 to form water mist.
In other embodiments, the mobile phone body 100 is sleeved with a casing 001, the striking member 400 extends out of the casing 001, and a through hole corresponding to the operation hole 160 is formed in the casing 001. Meanwhile, a notch 1001 is provided in the housing 001 to expose the second port 230 to the outside of the housing 001.
When the dental elbow handpiece assembly provided by the embodiment is used, the position of the reversing valve 200 can be adjusted as required, and when the reversing valve 200 is in the first working position, the first interface 220 is communicated with the first runner 110, so that the water delivery of the internal water channel can be realized. When the reversing valve 200 is in the second operation, the second port 230 communicates with the second flow passage 120, enabling the delivery of water from the external waterway. The machine head assembly has various functions, flexible operation and high operation efficiency. Meanwhile, when the direction valve 200 is in the first working position, the direction valve 200 can be properly adjusted, so that the overlapping area of the first port 220 and the first flow channel 110 is changed, and the flow rate is adjusted. Similarly, when the reversing valve 200 is in the second operating position, the overlapping area of the second port 230 and the second flow channel 120 can be adjusted, thereby adjusting the flow rate.
Referring to fig. 8, the present embodiment further provides a dental elbow handset, including a motor 002 and the dental elbow handset head assembly mentioned in the above embodiment, the motor 002 is inserted into the insertion hole 103 of the handset body 100, the liquid outlet 2001 of the motor 002 is communicated with the first flow channel 110, the air outlet 2020 of the motor 002 is communicated with the annular air channel 170, and the motor 002 is used for supplying water to the first flow channel 110 when the dental elbow handset is used for supplying water to the internal water channel, so that water flows from the first flow channel 110, the first interface 220 to the confluence channel 210, and finally flows out from the internal water pipe 300.
The curved cell-phone of dentistry that this embodiment provided can carry out interior water course water delivery or outer water course water delivery as required, and the function is diversified, flexible operation is reliable and the security is high.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110017563.1A CN112618057B (en) | 2021-01-07 | 2021-01-07 | Dental contra-angle handpiece head assembly and dental contra-angle handpiece |
| PCT/CN2021/081589 WO2022147903A1 (en) | 2021-01-07 | 2021-03-18 | Dental contra-angle handpiece head assembly and dental contra-angle handpiece |
| US17/716,493 US12383374B2 (en) | 2021-01-07 | 2022-04-08 | Head assembly for dental contra-angle hand-piece and dental contra-angle hand-piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110017563.1A CN112618057B (en) | 2021-01-07 | 2021-01-07 | Dental contra-angle handpiece head assembly and dental contra-angle handpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112618057A CN112618057A (en) | 2021-04-09 |
| CN112618057B true CN112618057B (en) | 2024-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110017563.1A Active CN112618057B (en) | 2021-01-07 | 2021-01-07 | Dental contra-angle handpiece head assembly and dental contra-angle handpiece |
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| Country | Link |
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| CN (1) | CN112618057B (en) |
| WO (1) | WO2022147903A1 (en) |
Families Citing this family (3)
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|---|---|---|---|---|
| CN114587647A (en) * | 2022-04-01 | 2022-06-07 | 桂林市啄木鸟医疗器械有限公司 | Dental handpiece head module and dental handpiece |
| ES1274629Y (en) * | 2021-06-07 | 2021-10-22 | Bienestar Bucal S L P | DEVICE FOR SCREWING DENTAL IMPLANTS |
| CN114469390A (en) * | 2022-01-27 | 2022-05-13 | 桂林市啄木鸟医疗器械有限公司 | Dental handpiece of alternative switching gas circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214484649U (en) * | 2021-01-07 | 2021-10-26 | 桂林市啄木鸟医疗器械有限公司 | Dental handpiece head assembly and dental handpiece |
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| JP2587789B2 (en) * | 1994-06-29 | 1997-03-05 | 株式会社ナカニシ | Conductive fluid tube in dental handpiece unit |
| JP2000042008A (en) * | 1998-07-28 | 2000-02-15 | J Morita Tokyo Mfg Corp | Dental therapeutic sterilizing and washing water supply device |
| JP3445774B2 (en) * | 2000-04-21 | 2003-09-08 | 株式会社ナカニシ | Mobile handpiece unit for home visit treatment |
| ITBO20010488A1 (en) * | 2001-07-27 | 2003-01-27 | Castellini Spa | FILTERING DEVICE APPLICABLE TO PERMANIPOLES SUPPLY DUCTS |
| CN2645627Y (en) * | 2003-03-17 | 2004-10-06 | 付枫 | Disposable high-speed turbine dental drill hand device |
| DE602005017747D1 (en) * | 2004-01-31 | 2009-12-31 | G P Co | UV-STERILIZATION DEVICE FOR A DENTAL HANDPIECE |
| KR101069447B1 (en) * | 2011-04-15 | 2011-09-30 | (주)세신정밀 | Luminous handpiece |
| CN203677272U (en) * | 2013-12-09 | 2014-07-02 | 王怀鹏 | dentist mobile phone |
| CN206026452U (en) * | 2016-07-22 | 2017-03-22 | 佛山市南海瀚坤堂精密五金制品有限公司 | Big two hole dental handpiece of moment of torsion |
| CN209966592U (en) * | 2018-12-05 | 2020-01-21 | 佛山市宇森医疗器械有限公司 | Low-speed handpiece with controlled atomization opening and closing |
| CN209611355U (en) * | 2018-12-25 | 2019-11-12 | 西诺医疗器械集团有限公司 | Anti- suck-back device for direct-connected dental handpiece |
| CN209332321U (en) * | 2018-12-28 | 2019-09-03 | 江苏诺圣医疗科技有限公司 | A kind of dental operation machine people's end effector |
| CN210582680U (en) * | 2019-05-17 | 2020-05-22 | 泉州医学高等专科学校 | A pull throughs for dental handpiece's atomizing pipeline |
| CN211836678U (en) * | 2019-11-29 | 2020-11-03 | 佛山市耐可士医疗器械有限公司 | Dental handpiece driving motor with water purification function |
| CN111067639A (en) * | 2020-01-08 | 2020-04-28 | 佛山市驰康医疗器材有限公司 | Multifunctional electric motor for dental handpiece |
-
2021
- 2021-01-07 CN CN202110017563.1A patent/CN112618057B/en active Active
- 2021-03-18 WO PCT/CN2021/081589 patent/WO2022147903A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214484649U (en) * | 2021-01-07 | 2021-10-26 | 桂林市啄木鸟医疗器械有限公司 | Dental handpiece head assembly and dental handpiece |
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| Publication number | Publication date |
|---|---|
| WO2022147903A1 (en) | 2022-07-14 |
| CN112618057A (en) | 2021-04-09 |
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