CN220293965U - Inhalation valve structure and breathing machine - Google Patents
Inhalation valve structure and breathing machine Download PDFInfo
- Publication number
- CN220293965U CN220293965U CN202321962947.1U CN202321962947U CN220293965U CN 220293965 U CN220293965 U CN 220293965U CN 202321962947 U CN202321962947 U CN 202321962947U CN 220293965 U CN220293965 U CN 220293965U
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- Prior art keywords
- hole
- pressure relief
- inner cylinder
- valve structure
- air inlet
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- 230000029058 respiratory gaseous exchange Effects 0.000 title description 11
- 230000000903 blocking effect Effects 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 20
- 238000001514 detection method Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of medical appliances, and particularly relates to an inhalation valve structure and a respirator. The suction valve structure comprises a pressure relief assembly, a one-way valve and an inner cylinder, wherein the inner cylinder is provided with an inner space, and an air inlet hole, an air outlet hole and a pressure relief hole which are all communicated with the inner space; the one-way valve is arranged in the air inlet and is used for controlling the air in the air inlet to flow into the inner space in one way; the inner cylinder is also provided with an annular groove surrounding the pressure relief hole, and the inner wall of the annular groove is provided with a first rotary groove; the pressure relief assembly comprises a pressure relief driving piece, a mounting disc and a flexible valve clack arranged on the mounting disc, a first turnbuckle is arranged on the mounting disc, and the mounting disc is arranged in the annular groove through the first turnbuckle screwed into the first rotary groove; the output end of the pressure release driving piece is connected with the flexible valve clack. In the utility model, the mounting plate and the inner cylinder are easy to assemble and disassemble, and the flexible valve clack and other parts can be overhauled, cleaned, disinfected and the like conveniently.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to an inhalation valve structure and a respirator.
Background
The breathing machine is a medical instrument which can replace, control or change normal physiological breathing of people, strengthen the ventilation of the lung, improve the respiratory function, lighten the consumption of breathing work and save the heart reserve capacity. The inhalation valve is an important component in the breathing machine, oxygen output by the breathing machine is output to the patient end through the inhalation valve, and the inhalation valve can ensure that oxygen inhaled by the patient is in a proper range. Because the inhalation valve is connected with the patient end, after the inhalation valve is used, the valve core and other parts in the inhalation valve need to be disassembled for cleaning and disinfection.
In the prior art, the suction valve is usually fixed by adopting a screw, so that the disassembly and assembly operations are difficult, and the cleaning and the disinfection of the suction valve are not facilitated.
Disclosure of Invention
The utility model solves the technical problem that an inhalation valve is difficult to assemble and disassemble in the prior art, and provides an inhalation valve structure and a respirator.
In view of the above problems, the air suction valve structure provided by the embodiment of the utility model comprises a pressure relief assembly, a one-way valve and an inner cylinder, wherein the inner cylinder is provided with an inner space, and an air inlet hole, an air outlet hole and a pressure relief hole which are all communicated with the inner space; the one-way valve is arranged in the air inlet hole and is used for controlling the air in the air inlet hole to flow into the inner space in a one-way;
an annular groove surrounding the pressure relief hole is further formed in the inner barrel, and a first rotary groove is formed in the inner wall of the annular groove;
the pressure relief assembly comprises a pressure relief driving piece, a mounting disc and a flexible valve clack arranged on the mounting disc, a first turnbuckle is arranged on the mounting disc, and the mounting disc is arranged in the annular groove through the first turnbuckle screwed into the first rotary groove; the output end of the pressure relief driving piece is connected with the flexible valve clack and is used for driving the flexible valve clack to block or conduct the pressure relief hole.
Optionally, a plurality of first radial arms are further arranged on the mounting disc in an annular and spaced mode.
Optionally, the pressure relief assembly further includes a rigid member fixed to the flexible valve flap, and an output end of the pressure relief driving member is connected to the flexible valve flap through the rigid member.
Optionally, a clamping groove is formed in the inner wall of the air outlet hole, the one-way valve comprises a fixed disc provided with an inner hole and a plugging plate matched with the inner hole, at least two connecting arms extending towards the center of the inner hole are arranged on the fixed disc, a through hole is formed in each connecting arm, a guide rod is further arranged on the plugging plate, and the guide rod is inserted into the through hole in a sliding mode;
the fixing disc is also provided with a clamping arm, and the fixing disc is installed in the air inlet hole through the clamping arm clamped in the clamping groove.
Optionally, an annular groove is further formed in the outer wall of the fixed disc, the one-way valve further comprises a sealing ring installed in the annular groove, and the sealing ring is abutted to the inner wall of the air inlet hole.
Optionally, the inner cylinder is also provided with a manhole communicated with the inner space, and the inner wall of the manhole is provided with a second rotary groove; the suction valve structure further comprises a blocking block provided with a second turnbuckle, the blocking block is arranged in the overhaul hole through the second turnbuckle screwed into the second rotary groove, and the blocking block is used for blocking the overhaul hole;
the end face of the blocking block, which is away from the inner space, is provided with a second radial arm.
Optionally, the access hole and the pressure relief hole are respectively arranged at the left side and the right side of the inner cylinder, and the air inlet hole and the air outlet hole are respectively arranged at the front side and the rear side of the inner cylinder.
Optionally, the inner cylinder is further provided with a pressure detection hole communicated with the inner space, and the external pressure detection sensor detects the pressure of the gas in the inner space through the detection hole.
Optionally, the air suction valve structure further comprises a valve seat provided with an installation space and a third rotary groove, a third rotary buckle is arranged on the outer wall of the inner cylinder, and the inner cylinder is installed in the installation space through the third rotary buckle screwed into the third rotary groove; the pressure relief driving piece is arranged on the valve seat.
The utility model also provides a breathing machine, which comprises the inhalation valve structure.
In the utility model, after the flexible valve clack is fixedly arranged on the mounting disc, the mounting disc is arranged in the annular groove through the first turnbuckle screwed into the first rotary groove; when the pressure of the gas in the inner space is smaller than the preset pressure, the pressure relief driving piece drives the flexible valve clack to forward bulge and block the pressure relief hole, so that the gas output by the breathing machine is sequentially output to a patient end through the gas inlet hole, the inner space and the gas outlet hole; when the pressure of the gas in the inner space is larger than the preset pressure, the pressure relief driving piece drives the flexible valve clack to be far away from the pressure relief hole, so that the gas in the inner space can be relieved through the pressure relief hole.
According to the utility model, the mounting disc is detachably arranged in the annular groove through the first turnbuckle screwed into the first rotary groove, so that the mounting disc and the inner cylinder are easy to assemble and disassemble, and the flexible valve clack and other parts can be overhauled, cleaned, disinfected and the like conveniently.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an inhalation valve structure according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an inhalation valve structure according to an embodiment of the present utility model
FIG. 3 is a schematic view of a part of an inhalation valve structure according to an embodiment of the present utility model;
FIG. 4 is a schematic view of an inner cylinder of an inhalation valve according to an embodiment of the present utility model;
FIG. 5 is a schematic view of an inner cylinder of an inhalation valve according to another embodiment of the present utility model;
FIG. 6 is a schematic view of a portion of a pressure relief assembly according to an embodiment of the present utility model;
FIG. 7 is a schematic structural diagram of a check valve according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a block according to an embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. a pressure relief assembly; 11. a pressure relief drive; 12. a mounting plate; 121. a first turnbuckle; 122. a first radial arm; 13. a flexible flap; 14. a rigid member; 2. a one-way valve; 21. a fixed plate; 211. a connecting arm; 212. a clamping arm; 22. a plugging plate; 221. a guide rod; 23. a seal ring; 3. an inner cylinder; 31. an inner space; 32. an air inlet hole; 321. a clamping groove; 33. an air outlet hole; 34. a pressure relief hole; 35. an annular groove; 351. a first spin groove; 36. a manhole; 361. a second rotary groove; 37. a third turnbuckle; 38. a pressure detection hole; 4. blocking; 41. a second turnbuckle; 42. a second radial arm; 5. a valve seat.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1 to 4, an embodiment of the present utility model provides an inhalation valve structure, which includes a pressure release assembly 1, a one-way valve 2 and an inner cylinder 3, wherein an inner space 31, an air inlet hole 32, an air outlet hole 33 and a pressure release hole 34 are arranged on the inner cylinder 3 and all communicate with the inner space 31; the one-way valve 2 is installed in the air intake hole 32 and is used for controlling the air in the air intake hole 32 to flow into the inner space 31 in one way; it will be appreciated that the gas in the inlet aperture 32 can be output from the interior space 31 through the one-way valve 2, and that the gas in the interior space 31 cannot flow into the inlet aperture 32 through the one-way valve 2, so that the one-way valve 2 can control the one-way flow of the gas in the inner cylinder 3.
An annular groove 35 surrounding the pressure relief hole 34 is further formed in the inner barrel 3, and a first rotary groove 351 is formed in the inner wall of the annular groove 35; it may be appreciated that the annular groove 35 is disposed at the periphery of the pressure relief hole 34, and the first spiral groove 351 may be plural, for example, 3, 4, etc. spiral grooves are disposed at annular intervals according to actual requirements.
The pressure relief assembly 1 comprises a pressure relief driving piece 11, a mounting disc 12 and a flexible valve clack 13 arranged on the mounting disc 12, wherein a first turnbuckle 121 is arranged on the mounting disc 12, and the mounting disc 12 is arranged in the annular groove 35 through the first turnbuckle 121 screwed into the first rotary groove 351; the output end of the pressure relief driving piece 11 is connected with the flexible valve clack 13 and is used for driving the flexible valve clack 13 to block or conduct the pressure relief hole 34. It will be appreciated that the flexible flap 13 may be made of a silicone material, the flexible flap 13 being located in front of the pressure relief aperture 34; the number of the first turnbuckles 121 may be set to be plural according to actual demands, and the number of the first turnbuckles 121 and the number of the first turnbuckles 351 are equal, for example, 3, 4, etc. first turnbuckles 121 are disposed at annular intervals.
Specifically, after the flexible valve flap 13 is fixedly mounted on the mounting plate 12, the mounting plate 12 is mounted in the annular groove 35 by the first turnbuckle 121 screwed into the first turnbuckle groove 351; when the pressure of the gas in the internal space 31 is smaller than the preset pressure, the pressure release driving piece 11 drives the flexible valve clack 13 to move forward and block the pressure release hole 34, so that the gas output by the breathing machine is output to the patient end through the air inlet hole 32, the internal space 31 and the air outlet hole 33 in sequence; when the pressure of the gas in the internal space 31 is greater than the preset pressure, the pressure release driving member 11 drives the flexible valve clack 13 to be far away from the pressure release hole 34, so that the gas in the internal space 31 can be released through the pressure release hole 34.
In the utility model, the mounting plate 12 is detachably mounted in the annular groove 35 by the first turnbuckle 121 screwed into the first rotary groove 351, so that the mounting plate 12 and the inner cylinder 3 are easy to mount and dismount, and the flexible valve clack 13 and other parts can be conveniently overhauled, cleaned, disinfected and the like.
In one embodiment, as shown in fig. 6, the mounting plate 12 is further provided with a plurality of first radial arms 122 that are annularly spaced apart. It will be appreciated that the first radial arm 122 is disposed on the outer side wall of the mounting plate, and the user drives the mounting plate 12 to rotate through the first radial arm 122, so as to facilitate the user to rotate the mounting plate 12.
In one embodiment, as shown in fig. 6, the pressure relief assembly 1 further includes a rigid member 14 fixed to the flexible valve flap 13, and the output end of the pressure relief driving member 11 is connected to the flexible valve flap 13 through the rigid member 14. It is to be understood that the rigid member 14 may be made of stainless steel, etc., the rigid member 14 is installed at the central portion of the flexible valve flap 13, and the output end of the pressure release driving member 11 is connected to the rigid member 14, and drives the flexible valve flap 13 to vibrate through the rigid member 14.
In an embodiment, as shown in fig. 2 to 4 and fig. 7, a clamping groove 321 is formed on the inner wall of the air inlet 32, the one-way valve 2 includes a fixed disc 21 provided with an inner hole and a plugging plate 22 adapted to the inner hole, at least two connecting arms 211 extending towards the center of the inner hole are arranged on the fixed disc 21, a through hole is formed on the connecting arms 211, a guide rod 221 is further arranged on the plugging plate 22, and the guide rod 221 is slidably inserted into the through hole; it will be appreciated that the connecting arms 211 are disposed on the inner wall of the inner hole, a plurality of connecting arms 211 intersect at the center of the inner hole, the through hole is disposed coaxially with the inner hole, and the blocking plate 22 is disposed on the side of the air inlet 321 away from the inner space 31.
The fixing plate 21 is further provided with a clamping arm 212, and the fixing plate 21 is mounted in the air inlet hole 32 through the clamping arm 212 clamped in the clamping groove 321. As can be appreciated, when the gas in the gas inlet hole 32 flows into the inner space 31, the gas drives the blocking plate 22 to move towards one side of the inner space 31, so that the blocking plate 22 makes the inner hole in a conducting state; when the gas in the inner space 31 will drive the blocking plate 22 to move towards the side facing away from the inner space 31, the blocking plate 22 will block the inner hole, so that the air inlet 32 is in a blocked state. In this embodiment, the fixing disc 21 is detachably mounted in the air inlet hole 32 by the clamping arm 212 clamped in the clamping groove 321, so that the assembly and disassembly operations between the check valve 2 and the inner cylinder 3 are simple, and the check valve 2 is convenient to clean and disinfect.
In an embodiment, as shown in fig. 2 and 7, an annular groove is further formed on the outer wall of the fixed disc 21, and the check valve 2 further includes a sealing ring 23 installed in the annular groove, and the sealing ring 23 abuts against the inner wall of the air inlet hole 32. As can be appreciated, the sealing ring 23 is sleeved on the circumferential outer wall of the fixed disk 21, when the fixed disk 21 is installed in the air inlet hole 32, the sealing ring 23 abuts against the inner side wall of the air inlet hole 32, so that the sealing ring 23 can play a role of sealing the gap between the fixed disk 21 and the inner wall of the air inlet hole 32.
In an embodiment, as shown in fig. 5 and 8, the inner cylinder 3 is further provided with a manhole 36 communicating with the inner space 31, and a second rotary groove 361 is formed on an inner wall of the manhole 36; the suction valve structure further comprises a blocking piece 4 provided with a second turnbuckle 41, the blocking piece 4 is installed in the overhaul hole 36 through the second turnbuckle 41 screwed into the second rotary groove 361, and the blocking piece 4 is used for blocking the overhaul hole 36; it may be appreciated that the manhole 36 is disposed opposite to the pressure relief hole 34, and the second rotating groove 361 and the second rotating buckle 41 may be disposed in a plurality according to actual requirements, for example, 3, 4, etc. second rotating grooves 361 and second rotating buckles 41 are disposed at annular intervals.
The end face of the blocking piece 4 facing away from the inner space 31 is provided with a second radial arm 42. It will be appreciated that the second radial arm 42 is disposed on the outer side of the block 4, and the user may rotate the block 4 through the second radial arm 42, so as to achieve the function of installing the block 4 in the manhole 36 or removing the block 4 from the manhole 36. In this embodiment, the design of the manhole 36 and the blocking block 4 facilitates the cleaning of the inner space 31 by the user, and further improves the convenience of overhauling the structure of the air suction valve.
In an embodiment, as shown in fig. 4 and 5, the service hole 36 and the pressure relief hole 34 are respectively disposed on the left and right sides of the inner cylinder 3, and the air inlet hole 32 and the air outlet hole 33 are respectively disposed on the front and rear sides of the inner cylinder 3. It will be appreciated that the air outlet hole 33 is disposed at the opposite side of the air inlet hole 32, and the service hole 36 is disposed at the opposite side of the pressure release hole 34, so that the inner cylinder 3 corresponds to a four-way pipe, and the compactness of the suction valve structure is improved.
In one embodiment, as shown in fig. 2 and 3, the inner cylinder 3 is further provided with a pressure detecting hole 38 communicating with the inner space 31, and an external pressure detecting sensor detects the pressure of the gas in the inner space 31 through the detecting hole. It will be appreciated that the probe of the external pressure detection sensor extends into the pressure detection hole 38, so that the pressure of the gas in the internal space 31 can be detected in real time, and the detected pressure is fed back to the control system, the control system can drive the pressure release driving member 11 according to the fed back pressure signal, and the pressure release driving member 11 drives the flexible valve clack 13 to block or conduct the pressure release hole 34.
In one embodiment, as shown in fig. 1 and 2, the suction valve structure further includes a valve seat 5 provided with an installation space and a third rotary groove (not shown in the drawings), a third rotary button 37 is provided on the outer wall of the inner cylinder 3, and the inner cylinder 3 is installed in the installation space through the third rotary button 37 screwed into the third rotary groove; the pressure relief drive 11 is mounted on the valve seat 5. It can be appreciated that the valve seat 5 is sleeved on the inner cylinder 3 through the third turnbuckle 37 screwed into the third rotary groove, so that the disassembly and assembly operation between the valve seat 5 and the inner cylinder 3 is simple, and the convenience of disassembly and assembly of the suction valve structure is further improved.
The utility model also provides a breathing machine, which comprises the inhalation valve structure.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The suction valve structure is characterized by comprising a pressure relief assembly, a one-way valve and an inner cylinder, wherein an inner space, an air inlet hole, an air outlet hole and a pressure relief hole are formed in the inner cylinder and are communicated with the inner space; the one-way valve is arranged in the air inlet hole and is used for controlling the air in the air inlet hole to flow into the inner space in a one-way;
an annular groove surrounding the pressure relief hole is further formed in the inner barrel, and a first rotary groove is formed in the inner wall of the annular groove;
the pressure relief assembly comprises a pressure relief driving piece, a mounting disc and a flexible valve clack arranged on the mounting disc, a first turnbuckle is arranged on the mounting disc, and the mounting disc is arranged in the annular groove through the first turnbuckle screwed into the first rotary groove; the output end of the pressure relief driving piece is connected with the flexible valve clack and is used for driving the flexible valve clack to block or conduct the pressure relief hole.
2. The suction valve structure as claimed in claim 1, wherein the mounting plate is further provided with a plurality of first radial arms annularly spaced apart.
3. The suction valve structure as set forth in claim 1, wherein the pressure relief assembly further comprises a rigid member secured to the flexible valve flap, the output of the pressure relief drive member being connected to the flexible valve flap via the rigid member.
4. The suction valve structure according to claim 1, wherein a clamping groove is formed in the inner wall of the air inlet hole, the one-way valve comprises a fixed disc provided with an inner hole and a plugging plate matched with the inner hole, at least two connecting arms extending towards the center of the inner hole are arranged on the fixed disc, a through hole is formed in each connecting arm, and a guide rod is further arranged on the plugging plate and is slidably inserted into the through hole;
the fixing disc is also provided with a clamping arm, and the fixing disc is installed in the air inlet hole through the clamping arm clamped in the clamping groove.
5. The suction valve structure as claimed in claim 4, wherein the outer wall of the fixed disk is further provided with an annular groove, and the check valve further comprises a sealing ring installed in the annular groove, and the sealing ring is abutted against the inner wall of the air inlet hole.
6. The suction valve structure according to claim 1, wherein the inner cylinder is further provided with a manhole communicating with the inner space, and a second rotary groove is provided on an inner wall of the manhole; the suction valve structure further comprises a blocking block provided with a second turnbuckle, the blocking block is arranged in the overhaul hole through the second turnbuckle screwed into the second rotary groove, and the blocking block is used for blocking the overhaul hole;
the end face of the blocking block, which is away from the inner space, is provided with a second radial arm.
7. The suction valve structure as claimed in claim 6, wherein the service hole and the pressure relief hole are provided at left and right sides of the inner cylinder, respectively, and the air inlet hole and the air outlet hole are provided at front and rear sides of the inner cylinder, respectively.
8. The suction valve structure as claimed in claim 1, wherein the inner cylinder is further provided with a pressure detecting hole communicating with the inner space, and an external pressure detecting sensor detects the pressure of the gas in the inner space through the detecting hole.
9. The suction valve structure as claimed in any one of claims 1 to 8, further comprising a valve seat provided with an installation space and a third rotary groove, wherein a third rotary button is provided on an outer wall of the inner cylinder, and the inner cylinder is installed in the installation space by the third rotary button screwed into the third rotary groove; the pressure relief driving piece is arranged on the valve seat.
10. A ventilator comprising an inhalation valve structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962947.1U CN220293965U (en) | 2023-07-24 | 2023-07-24 | Inhalation valve structure and breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962947.1U CN220293965U (en) | 2023-07-24 | 2023-07-24 | Inhalation valve structure and breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220293965U true CN220293965U (en) | 2024-01-05 |
Family
ID=89345736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321962947.1U Active CN220293965U (en) | 2023-07-24 | 2023-07-24 | Inhalation valve structure and breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220293965U (en) |
-
2023
- 2023-07-24 CN CN202321962947.1U patent/CN220293965U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000, Building 1, 101, Evergrande Fashion Huigu Building, Fulong Road, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Country or region after: China Address before: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Security Medical Technology Co.,Ltd. Country or region before: China |