CN211611230U - Medical trachea air valve - Google Patents
Medical trachea air valve Download PDFInfo
- Publication number
- CN211611230U CN211611230U CN202020190756.8U CN202020190756U CN211611230U CN 211611230 U CN211611230 U CN 211611230U CN 202020190756 U CN202020190756 U CN 202020190756U CN 211611230 U CN211611230 U CN 211611230U
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- China
- Prior art keywords
- cavity
- hole
- air
- inclined plane
- valve
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- Expired - Fee Related
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- 210000003437 trachea Anatomy 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 1
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Abstract
The utility model provides a medical trachea pneumatic valve, including shell body and pneumatic valve subassembly, the inside of shell body is located to the pneumatic valve subassembly, the interior top of shell body is equipped with first cavity, the bottom of first cavity is equipped with first through-hole, the second cavity that the bottom was equipped with in the first through-hole intercommunication shell body, the bottom of second cavity is equipped with cassette and second through-hole, the pneumatic valve subassembly mainly comprises the ejector pin, in the first cavity is located to the ejector pin, and the bottom of ejector pin passes first through-hole and links to each other with the top of inclined plane gas sealing piece, the bottom of inclined plane gas sealing piece is connected with the bottom plate, the bottom of bottom plate is connected with the regulation pole, it is internal that the second cavity is located on the upper portion of regulation pole, the lower part extends to in the cassette, the outside cover of adjusting the pole is equipped with the. The utility model has the characteristics of simple structure, seal that gas is effectual, lose heart fast, the practicality is strong etc.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a medical trachea pneumatic valve.
Background
The medical trachea air valve is widely applied to medical instruments such as a laryngeal mask, a trachea cannula, a breathing loop tube and the like, the laryngeal mask, the trachea cannula, the breathing loop tube and the like need to be inflated firstly when in use, the air valve needs to be deflated after being used, and the air valve plays a key role in inflation or deflation. Most of the existing medical trachea air valves adopt a plane air sealing piece for air sealing, so that the problems of air leakage, slow air leakage and the like are easily caused. Therefore, in view of the problems existing in the prior art, there is a need to provide a new solution to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a medical trachea air valve for solving the problems existing in the prior art.
The utility model discloses the technical scheme who adopts: a medical trachea air valve comprises an outer shell and an air valve component, wherein the air valve component is arranged inside the outer shell, the inner top of the outer shell is provided with a first cavity, the bottom of the first cavity is provided with a first through hole, the first through hole is communicated with a second cavity arranged at the bottom in the outer shell, the bottom of the second cavity is provided with a clamping seat and a second through hole, the air valve component mainly comprises an ejector rod, the ejector rod is arranged in the first cavity, the bottom of the ejector rod passes through the first through hole and is connected with the top of the inclined plane air sealing piece, the bottom of the inclined plane air sealing piece is connected with a bottom plate, the bottom of the bottom plate is connected with an adjusting rod, the upper part of the adjusting rod is arranged in the second cavity, the lower part of the adjusting rod extends into the clamping seat, the outside cover of adjusting the pole is equipped with the spring, the one end of spring links to each other with the bottom plate bottom, and the other end links to each other with the bottom of second cavity.
As a further aspect of the present invention, the bottom of the outer shell is provided with a connecting end, and the second through hole communicates with the connecting end.
As a further proposal of the utility model, the bottom of the first through hole is provided with a circular groove which is hermetically connected with the inclined plane gas sealing piece.
As a further proposal of the utility model, the middle part cover of ejector pin is equipped with the stopper.
As a further aspect of the present invention, the diameter of the ejector pin is smaller than the diameter of the first through hole.
As a further aspect of the present invention, the diameter of the adjusting rod is smaller than the diameter of the second through hole.
The utility model has the advantages that: the air valve assembly is arranged in the shell, the bottom of the ejector rod penetrates through the first through hole and is connected with the top of the inclined plane air sealing piece, when the air valve is used for inflating an air pipe, a fixed rod is arranged in the air pipe to press down the ejector rod, the inclined plane air sealing piece moves downwards, an air inlet channel is formed between the inclined plane air sealing piece and the circular groove, air enters the air pipe from the first cavity, the first through hole, the second cavity and the second through hole, inflation of a laryngeal mask, a tracheal cannula, a respiratory loop pipe and the like is achieved, after inflation is completed, one end of the air pipe is separated from the top of the air valve, the ejector rod is jacked up under the action of a spring, the inclined plane air sealing piece enters the circular groove under the internal air pressure of the air pipe, inclined plane air sealing is formed between the outer inclined plane of the inclined plane air sealing piece and the inner wall of the circular groove, the sealing performance of the air valve is; and when utilizing this pneumatic valve to lose heart, be equipped with the arch in the disappointing piece of valve and push down the ejector pin, inclined plane air-tight piece moves down, form the passageway that loses heart between inclined plane air-tight piece and the circular slot, gas is from the second through-hole, the second cavity, first through-hole, first cavity flows out the outside, the realization is to the laryngeal mask, the trachea cannula, breathe the disappointing of return line pipe etc., and the passageway that loses heart that forms between inclined plane air-tight piece and the circular slot is the slope type, compare with the flat passageway that loses heart, the gas circulation hindrance is little, the circulation of the gas of being convenient for, thereby it is efficient to lose heart.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Fig. 2 is a schematic view of a first front view internal structure of the present invention.
Fig. 3 is a schematic view of a first front view internal structure of the present invention.
Fig. 4 is a schematic view of the three-dimensional structure of the air valve assembly of the present invention.
The air valve comprises an outer shell 1, an air valve assembly 2, a first cavity 3, a first through hole 4, a second cavity 5, a clamping seat 6, a second through hole 7, an ejector rod 8, an inclined plane air sealing part 9, a bottom plate 10, an adjusting rod 11, a spring 12, a connecting end 13, a circular groove 14 and a limiting block 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-4, a medical trachea air valve comprises an outer shell 1 and an air valve component 2, wherein the air valve component 2 is arranged inside the outer shell 1, a first cavity 3 is arranged at the inner top of the outer shell 1, a first through hole 4 is arranged at the bottom of the first cavity 3, the first through hole 4 is communicated with a second cavity 5 arranged at the bottom inside the outer shell 1, a clamping seat 6 and a second through hole 7 are arranged at the bottom of the second cavity 5, the air valve component 2 mainly comprises an ejector rod 8, the ejector rod 8 is arranged in the first cavity 3, the bottom of the ejector rod 8 penetrates through the first through hole 4 and is connected with the top of an inclined plane air sealing part 9, the bottom of the inclined plane air sealing part 9 is connected with a bottom plate 10, the bottom of the bottom plate 10 is connected with an adjusting rod 11, the upper part of the adjusting rod 11 is arranged inside the second cavity 5, the lower part of the adjusting rod extends into the clamping seat 6, one end of the spring 12 is connected with the bottom of the bottom plate 10, and the other end is connected with the bottom of the second cavity 5.
As a further scheme of the utility model, the bottom of shell body 1 is equipped with link 13, 7 intercommunication links 13 of second through-hole, and the link 13 of setting is convenient for the pneumatic valve to link to each other with the trachea, and link 13 sets up to the point type, improves the leakproofness of connecting.
As the utility model discloses a further scheme, the bottom of first through-hole 4 is equipped with and seals gas spare 9 cooperation sealing connection's circular slot 14 with the inclined plane, and its inner wall of circular slot 14 that sets up seals gas spare 9 lateral wall cooperation with the inclined plane and forms sealing connection, has improved the gas performance of sealing of pneumatic valve greatly, avoids producing and loses heart.
As a further scheme of the utility model, the middle part cover of ejector pin 8 is equipped with stopper 15, and the stopper 15 of setting can carry on spacingly to the downstream of ejector pin 8, avoids in ejector pin 8 gets into second cavity 5, leads to the pneumatic valve to be out of use.
As a further proposal of the utility model, the diameter of the ejector rod 8 is smaller than that of the first through hole 4, so that the air valve can be conveniently aerated and deflated.
As a further scheme of the utility model, the diameter of adjusting pole 11 is less than the diameter of second through-hole 7, avoids the pneumatic valve when admitting air or disappointing, because of pneumatic valve assembly pushes down too much, and second through-hole 7 is plugged up to the bottom of adjusting the pole, causes the problem of pneumatic valve admission or the difficulty that loses heart.
The utility model discloses a theory of operation is: when the air valve is needed to be used for inflating the air pipe, the connecting end 13 at the bottom of the air valve is firstly connected with one end of the air pipe in a sealing way, then one end of the gas pipe is connected with the top of the gas valve, at the moment, a fixed rod is arranged in the gas pipe to press down the mandril 8, the inclined plane gas sealing piece 9 moves downwards, a gas inlet channel is formed between the inclined plane gas sealing piece 9 and the circular groove 14, gas enters the gas pipe from the first cavity 3, the first through hole 4, the second cavity 5 and the second through hole 7 to realize the inflation of the laryngeal mask, the trachea cannula, the breathing loop pipe and the like, after the inflation is finished, one end of the air pipe is separated from the top of the air valve, at the moment, the ejector rod 8 is jacked up under the action of the spring, under the internal air pressure of the air pipe, the inclined plane air sealing piece 9 enters the circular groove 14, and the outer inclined plane of the inclined plane air sealing piece 9 and the inner wall of the circular groove 14 form inclined plane air sealing, so that the sealing performance of the air valve is greatly improved, and meanwhile, the inclined plane air sealing is not easy to leak; in a similar way, the laryngeal mask, trachea cannula, breathe the back of using up such as return line pipe, need utilize this pneumatic valve when disappointing, this moment with the pneumatic valve piece of letting out connect in the top of pneumatic valve (the pneumatic valve piece of letting out does not have sealing connection with the top of pneumatic valve, be convenient for lose heart), because the pneumatic valve is equipped with the arch in the piece that loses heart, the arch is pushed down ejector pin 8, inclined plane air-tight piece 9 moves down, form the passageway that loses heart between inclined plane air-tight piece 9 and the circular slot 14, gas is from second through-hole 7, second cavity 5, first through-hole 4, first cavity 3 outflow outside, the realization is to the laryngeal mask, trachea cannula, breathe the disappointing of return line pipe etc., and the passageway that loses heart that forms between inclined plane air-tight piece 9 and the circular slot 14 is the slope type, compare with the passageway that loses heart with the plane, the gas flow hinders for a short time, the circulation of the.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A medical trachea air valve is characterized in that: comprises an outer shell (1) and an air valve component (2), wherein the air valve component (2) is arranged inside the outer shell (1), a first cavity (3) is arranged at the inner top of the outer shell (1), a first through hole (4) is arranged at the bottom of the first cavity (3), the first through hole (4) is communicated with a second cavity (5) arranged at the bottom in the outer shell (1), a clamping seat (6) and a second through hole (7) are arranged at the bottom of the second cavity (5), the air valve component (2) mainly comprises an ejector rod (8), the ejector rod (8) is arranged in the first cavity (3), the bottom of the ejector rod (8) penetrates through the first through hole (4) and is connected with the top of an inclined plane air sealing piece (9), the bottom of the inclined plane air sealing piece (9) is connected with a bottom plate (10), the bottom of the bottom plate (10) is connected with an adjusting rod (11), the upper portion of the adjusting rod (11) is arranged in the second cavity (5), the lower portion of the adjusting rod extends into the clamping seat (6), a spring (12) is sleeved outside the adjusting rod (11), one end of the spring (12) is connected with the bottom of the bottom plate (10), and the other end of the spring is connected with the bottom of the second cavity (5).
2. A medical tracheal valve as claimed in claim 1 wherein: the bottom of shell body (1) is equipped with link (13), second through-hole (7) intercommunication link (13).
3. A medical tracheal valve as claimed in claim 1 wherein: and a circular groove (14) which is matched and hermetically connected with the inclined plane air sealing piece (9) is arranged at the bottom of the first through hole (4).
4. A medical tracheal valve as claimed in claim 1 wherein: the middle part of the ejector rod (8) is sleeved with a limiting block (15).
5. The medical trachea valve as claimed in claim 4, wherein: the diameter of the ejector rod (8) is smaller than that of the first through hole (4).
6. A medical tracheal valve as claimed in claim 1 wherein: the diameter of the adjusting rod (11) is smaller than that of the second through hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190756.8U CN211611230U (en) | 2020-02-21 | 2020-02-21 | Medical trachea air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190756.8U CN211611230U (en) | 2020-02-21 | 2020-02-21 | Medical trachea air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211611230U true CN211611230U (en) | 2020-10-02 |
Family
ID=72619406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020190756.8U Expired - Fee Related CN211611230U (en) | 2020-02-21 | 2020-02-21 | Medical trachea air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211611230U (en) |
-
2020
- 2020-02-21 CN CN202020190756.8U patent/CN211611230U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |