CN219764226U - Air source inlet mechanism and breathing equipment - Google Patents
Air source inlet mechanism and breathing equipment Download PDFInfo
- Publication number
- CN219764226U CN219764226U CN202321012488.0U CN202321012488U CN219764226U CN 219764226 U CN219764226 U CN 219764226U CN 202321012488 U CN202321012488 U CN 202321012488U CN 219764226 U CN219764226 U CN 219764226U
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- hole
- proportional valve
- communicated
- air
- inlet mechanism
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 13
- 206010002091 Anaesthesia Diseases 0.000 description 5
- 230000037005 anaesthesia Effects 0.000 description 5
- 239000003994 anesthetic gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003444 anaesthetic effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model belongs to the technical field of medical appliances, and particularly relates to an air source inlet mechanism and breathing equipment. The air source inlet mechanism comprises a first proportional valve, a second proportional valve and a mounting seat, wherein the mounting seat is provided with an air inlet channel, an air outlet channel, a first through hole, a second through hole, a third through hole and a fourth through hole, the first through hole and the second through hole are both communicated with the air inlet channel, and the third through hole and the fourth through hole are both communicated with the air outlet channel; the first proportional valve and the second proportional valve are both arranged on the outer wall of the mounting seat, the inlet of the first proportional valve is communicated with the first through hole, the outlet of the first proportional valve is communicated with the third through hole, the inlet of the second proportional valve is communicated with the second through hole, and the outlet of the second proportional valve is communicated with the fourth through hole. In the utility model, the first proportional valve and the second proportional valve can both play a role in regulating the gas flow in the air inlet channel, so that the flow regulating range of the gas source inlet mechanism is improved; and one of the two proportional valves can be used as a standby valve, so that the safety of the air source inlet mechanism is improved.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to an air source inlet mechanism and breathing equipment.
Background
The breathing equipment comprises an anesthesia machine, an anesthesia machine and the like; wherein, the breathing machine is a medical instrument which can replace, control or change normal physiological breathing of people, strengthen the ventilation of lungs, improve the respiratory function, lighten the consumption of breathing work and save the heart reserve capacity; the anesthesia machine can send the anesthetic into alveoli of a patient through a mechanical loop to form partial pressure of anesthetic gas, and after the partial pressure of the anesthetic gas is dispersed into blood, the anesthetic gas directly inhibits the central nervous system, so that the general anesthesia effect is generated. Whether the anesthesia machine or the anesthesia machine, the flow of the gas output by the breathing equipment is regulated by the proportional valve.
In the prior art, the proportional valve is directly arranged in the pipeline, but the flow regulation range is smaller, and the proportional valve cannot be suitable for large-flow regulation of breathing equipment; in addition, when the proportional valve fails, the breathing apparatus will lose the flow regulating function, thereby reducing the safety of the breathing apparatus.
Disclosure of Invention
The utility model solves the technical problem that the flow regulation range of a proportional valve is smaller, and provides an air source inlet mechanism and breathing equipment.
In view of the above problems, an air source inlet mechanism provided by the embodiment of the utility model comprises a first proportional valve, a second proportional valve and a mounting seat, wherein an air inlet channel, an air outlet channel, a first through hole, a second through hole, a third through hole and a fourth through hole are arranged on the mounting seat, the first through hole and the second through hole are communicated with the air inlet channel, and the third through hole and the fourth through hole are communicated with the air outlet channel;
the first proportional valve and the second proportional valve are both installed on the outer wall of the installation seat, the inlet of the first proportional valve is communicated with the first through hole, the outlet of the first proportional valve is communicated with the third through hole, the inlet of the second proportional valve is communicated with the second through hole, and the outlet of the second proportional valve is communicated with the fourth through hole.
Optionally, a buffer cavity communicated with the air outlet channel is further arranged on the mounting seat, and the inner diameter of the buffer cavity is larger than that of the air outlet channel.
Optionally, the mounting seat comprises an outer cylinder and an inner cylinder provided with the buffer cavity, the outer cylinder is provided with the air inlet channel, the air outlet channel and the accommodating groove, and the inner cylinder is arranged in the accommodating groove.
Optionally, the mount pad still includes apron and mounting, be equipped with fixed ear on the urceolus, be equipped with first fixed orifices on the fixed ear, be equipped with the second fixed orifices on the apron, the apron lid closes on the accommodation groove, the mounting inserts first fixed orifices with in the second fixed orifices.
Optionally, the mounting seat further comprises a sealing ring, the sealing ring is mounted between the cover plate and the outer cylinder, and the sealing ring is used for sealing a gap among the inner cylinder, the cover plate and the outer cylinder.
Optionally, an annular groove is formed in the outer cylinder, the accommodating groove is located in an inner ring of the annular groove, and the sealing ring is installed in the annular groove.
Optionally, the mounting seat further comprises an air inlet connector and an air outlet connector, wherein the air inlet connector is mounted on the outer cylinder and communicated with the air inlet channel, and the air outlet connector is mounted on the inner cylinder and communicated with the buffer cavity.
Optionally, the first proportional valve and the second proportional valve are symmetrically distributed.
Optionally, a first tangent plane and a second tangent plane are arranged on the outer wall of the mounting seat, the first proportional valve is mounted on the first tangent plane, and the second tangent plane is mounted on the second tangent plane.
The utility model also provides breathing equipment comprising the air source inlet mechanism.
In the utility model, the first proportional valve and the second proportional valve are both arranged on the outer wall of the mounting seat, the air inlet channel is communicated with the air outlet channel through the first through hole, the first proportional valve and the third through hole in sequence, and the air inlet channel is communicated with the air outlet channel through the second through hole, the second proportional valve and the fourth through hole in sequence, so that the first proportional valve and the second proportional valve can play a role in regulating the air flow in the air inlet channel, and the flow regulating range of the air source inlet mechanism is improved. In addition, one of the first proportional valve and the second proportional valve can be used as a standby valve, and when one of the proportional valves is damaged, the other proportional valve can be normally used, so that the safety of the air source inlet mechanism is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an air inlet mechanism according to an embodiment of the present utility model;
FIG. 2 is a schematic structural view of a mounting base of an air source inlet mechanism according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a mounting base for an air inlet mechanism according to an embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. a first proportional valve; 2. a second proportional valve; 3. a mounting base; 31. an air inlet channel; 32. an air outlet channel; 33. a first through hole; 34. a second through hole; 35. a third through hole; 36. a fourth through hole; 37. a buffer chamber; 38. an outer cylinder; 381. a fixed ear; 39. an inner cylinder; 301. a cover plate; 302. a seal ring; 303. an air inlet joint; 304. and an air outlet joint.
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 3, an embodiment of the present utility model provides an air source inlet mechanism, which includes a first proportional valve 1, a second proportional valve 2, and a mounting seat 3, wherein an air inlet channel 31, an air outlet channel 32, a first through hole 33, a second through hole 34, a third through hole 35, and a fourth through hole 36 are provided on the mounting seat 3, the first through hole 33 and the second through hole 34 are both communicated with the air inlet channel 31, and the third through hole 35 and the fourth through hole 36 are both communicated with the air outlet channel 32; it will be appreciated that the first through hole 33, the second through hole 34, the third through hole 35, and the fourth through hole 36 have inner diameters smaller than the inner diameter of the air inlet duct 31 and smaller than the inner diameter of the air outlet duct 32.
The first proportional valve 1 and the second proportional valve 2 are both installed on the outer wall of the installation seat 3, an inlet of the first proportional valve 1 is communicated with the first through hole 33, an outlet of the first proportional valve 1 is communicated with the third through hole 35, an inlet of the second proportional valve 2 is communicated with the second through hole 34, and an outlet of the second proportional valve 2 is communicated with the fourth through hole 36. Preferably, the first proportional valve 1 and the second proportional valve 2 are symmetrically distributed. It will be appreciated that the air inlet 31 is communicated with the air outlet 32 through the first through hole 33, the first proportional valve 1 and the third through hole 35 in sequence, and the air inlet 31 is also communicated with the air outlet 32 through the second through hole 34, the second proportional valve 2 and the fourth through hole 36 in sequence.
In the utility model, the first proportional valve 1 and the second proportional valve 2 are both arranged on the outer wall of the mounting seat 3, the air inlet channel 31 is communicated with the air outlet channel 32 through the first through hole 33, the first proportional valve 1 and the third through hole 35 in sequence, and the air inlet channel 31 is communicated with the air outlet channel 32 through the second through hole 34, the second proportional valve 2 and the fourth through hole 36 in sequence, so that the first proportional valve 1 and the second proportional valve 2 can play a role in regulating the air flow in the air inlet channel 31, and the flow regulating range of the air source inlet mechanism is improved. In addition, one of the first proportional valve 1 and the second proportional valve 2 can be used as a standby valve, and when one of the proportional valves is damaged, the other proportional valve can be normally used, so that the safety of the air source inlet mechanism is improved.
In an embodiment, as shown in fig. 1 to 3, the mounting seat 3 is further provided with a buffer cavity 37 in communication with the air outlet channel 32, and an inner diameter of the buffer cavity 37 is larger than an inner diameter of the air outlet channel 32. It will be appreciated that the gas in the gas outlet channel 32 is buffered by the buffer chamber 37 and then output. Specifically, after the gas in the gas inlet channel 31 passes through the flow adjustment of the first proportional valve 1 and/or the second proportional valve 2, the gas is input into the buffer cavity 37 for buffering through the gas outlet channel 32, and more gas can be stored in the buffer cavity 37, so that the accidents of turbulent flow, instability and the like of the output gas caused by the flow fluctuation of the gas at the front end of the gas inlet channel 31 are avoided, and the stability of the output gas of the gas source inlet mechanism is ensured.
In one embodiment, as shown in fig. 1 to 3, the mounting base 3 includes an outer cylinder 38 and an inner cylinder 39 provided with the buffer chamber 37, the outer cylinder 38 is provided with the air inlet channel 31, the air outlet channel 32, and a receiving groove (not shown) in which the inner cylinder 39 is mounted. It will be appreciated that the bottom of the receiving recess and the bottom of the inner barrel 39 are provided with openings that communicate with each other. In this embodiment, the mounting base 3 includes the inner cylinder 39 and the outer cylinder 38, the manufacturing process of the air inlet channel 31, the air outlet channel 32 and the accommodating groove on the outer cylinder 38 is simple, and the manufacturing process of the buffer chamber 37 on the inner cylinder 39 is simple, so that the manufacturing cost of the air source inlet mechanism is reduced.
In an embodiment, as shown in fig. 1 to 3, the mounting base 3 further includes a cover 301 and a fixing member (not shown in the drawings), the outer cylinder 38 is provided with a fixing lug 381, the fixing lug 381 is provided with a first fixing hole, the cover 301 is provided with a second fixing hole, the cover 301 covers the accommodating groove, and the fixing member is inserted into the first fixing hole and the second fixing hole. It will be appreciated that the fasteners include, but are not limited to, screws, bolts, etc., the cover 301 fits over the top of the outer barrel 38, and the cover 301 can compress and secure the inner barrel 39 in the receiving recess, thereby ensuring stability of the mounting of the inner barrel 39 in the receiving recess.
In one embodiment, as shown in fig. 3, the mounting base 3 further includes a sealing ring 302, the sealing ring 302 is mounted between the cover 301 and the outer cylinder 38, and the sealing ring 302 is used to seal the gaps among the inner cylinder 39, the cover 301, and the outer cylinder 38. It will be appreciated that the sealing ring 302 is compressed against the top of the outer barrel 38 by the cover 301, and the receiving recess is located in the inner race of the sealing ring 302, so that the sealing ring 302 can act to seal the gap between the inner barrel 39, the cover 301 and the outer barrel 38, ensuring the tightness of the air supply inlet mechanism.
In one embodiment, as shown in fig. 3, the outer cylinder 38 is provided with an annular groove (not shown), the receiving groove is located in an inner ring of the annular groove, and the sealing ring 302 is mounted in the annular groove. It will be appreciated that the sealing ring 302 is pressed by the cover plate 301 into the receiving recess, thereby ensuring the stability of the installation of the sealing ring 302.
In an embodiment, as shown in fig. 1 to 3, the mounting base 3 further includes an air inlet connector 303 and an air outlet connector 304, wherein the air inlet connector 303 is mounted on the outer cylinder 38 and communicates with the air inlet channel 31, and the air outlet connector 304 is mounted on the inner cylinder 39 and communicates with the buffer chamber 37. It will be appreciated that the inlet fitting 303 is mounted to the bottom of the outer barrel 38 and the outlet fitting 304 is mounted to the top of the inner barrel 39, the inlet fitting 303 and outlet fitting 304 facilitating connection of the air supply inlet mechanism to external piping. In a specific embodiment, the air inlet connector 303 is inserted into the air inlet channel 31 through a screw structure (an internal screw thread and an external screw thread), and the air outlet connector 304 is inserted into the outlet of the buffer chamber 37 through a screw structure (an internal screw thread and an external screw thread).
In an embodiment, as shown in fig. 1 and 2, a first tangential plane and a second tangential plane are provided on the outer wall of the mounting seat 3 (i.e., the outer cylinder 38), the first proportional valve 1 is mounted on the first tangential plane, and the second tangential plane is mounted on the second tangential plane. It will be appreciated that the first through hole 33 and the third through hole 35 are communicated with the first tangential plane, the second through hole 34 and the fourth through hole 36 are communicated with the second tangential plane, the first proportional valve 1 is mounted on the first tangential plane, and the second proportional valve 2 is mounted on the second tangential plane, so that the stability of mounting the first proportional valve 1 and the second proportional valve 2 on the outer cylinder 38 is ensured.
The utility model also provides breathing equipment comprising the air source inlet mechanism. It will be appreciated that the breathing apparatus includes, but is not limited to, a ventilator, an anaesthetic machine, etc.
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 air source inlet mechanism is characterized by comprising a first proportional valve, a second proportional valve and a mounting seat, wherein an air inlet channel, an air outlet channel, a first through hole, a second through hole, a third through hole and a fourth through hole are formed in the mounting seat, the first through hole and the second through hole are communicated with the air inlet channel, and the third through hole and the fourth through hole are communicated with the air outlet channel;
the first proportional valve and the second proportional valve are both installed on the outer wall of the installation seat, the inlet of the first proportional valve is communicated with the first through hole, the outlet of the first proportional valve is communicated with the third through hole, the inlet of the second proportional valve is communicated with the second through hole, and the outlet of the second proportional valve is communicated with the fourth through hole.
2. The air supply inlet mechanism according to claim 1, wherein the mounting seat is further provided with a buffer cavity communicated with the air outlet channel, and the inner diameter of the buffer cavity is larger than that of the air outlet channel.
3. The air supply inlet mechanism according to claim 2, wherein the mounting base comprises an outer barrel and an inner barrel provided with the buffer chamber, the outer barrel is provided with the air inlet channel, the air outlet channel and the accommodating groove, and the inner barrel is mounted in the accommodating groove.
4. A gas source inlet mechanism according to claim 3, wherein the mounting base further comprises a cover plate and a fixing member, the outer barrel is provided with a fixing lug, the fixing lug is provided with a first fixing hole, the cover plate is provided with a second fixing hole, the cover plate covers the accommodating groove, and the fixing member is inserted into the first fixing hole and the second fixing hole.
5. The air supply inlet mechanism of claim 4, wherein the mounting base further comprises a sealing ring mounted between the cover plate and the outer barrel, and wherein the sealing ring is configured to seal a gap between the inner barrel, the cover plate, and the outer barrel.
6. A gas source inlet mechanism according to claim 5 wherein the outer barrel is provided with an annular recess, the receiving recess being located in an inner ring of the annular recess, the sealing ring being mounted in the annular recess.
7. A gas source inlet mechanism according to claim 3 wherein the mounting block further comprises a gas inlet fitting mounted on the outer barrel and in communication with the gas inlet passage and a gas outlet fitting mounted on the inner barrel and in communication with the buffer chamber.
8. The air supply inlet mechanism of claim 1, wherein the first proportional valve and the second proportional valve are symmetrically distributed.
9. The air supply inlet mechanism according to claim 1, wherein a first tangential surface and a second tangential surface are provided on an outer wall of the mounting base, the first proportional valve is mounted on the first tangential surface, and the second tangential surface is mounted on the second tangential surface.
10. A breathing apparatus comprising a gas source inlet mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321012488.0U CN219764226U (en) | 2023-04-27 | 2023-04-27 | Air source inlet mechanism and breathing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321012488.0U CN219764226U (en) | 2023-04-27 | 2023-04-27 | Air source inlet mechanism and breathing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219764226U true CN219764226U (en) | 2023-09-29 |
Family
ID=88105664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321012488.0U Active CN219764226U (en) | 2023-04-27 | 2023-04-27 | Air source inlet mechanism and breathing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219764226U (en) |
-
2023
- 2023-04-27 CN CN202321012488.0U patent/CN219764226U/en active Active
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| 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 |