CN218980095U

CN218980095U - Integrated gas circuit module and breathing equipment

Info

Publication number: CN218980095U
Application number: CN202223409831.3U
Authority: CN
Inventors: 唐克锋; 胡国亮; 王瑞强; 胡榜
Original assignee: Ambulanc Shenzhen Tech Co Ltd
Current assignee: Ambulanc Shenzhen Tech Co Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-09
Anticipated expiration: 2032-12-16

Abstract

The utility model belongs to the technical field of medical appliances, and particularly relates to an integrated gas circuit module and breathing equipment. In the integrated gas circuit module, a mounting seat is provided with a gas passage, a gas inlet, a gas outlet and a safety port; the inner wall of the air outlet is provided with a connecting arm, and the connecting arm is provided with a first guide hole; the air outlet unidirectional assembly comprises a first diaphragm and a first guide rod connected with the first diaphragm, the first guide rod is in sliding connection with the first guide hole, and the first diaphragm is used for blocking the air outlet; the safety unidirectional component comprises a plugging block, a second diaphragm and a second guide rod connected with the second diaphragm, wherein the plugging block is provided with a second guide hole and a first through hole; the plugging block is hermetically arranged in the safety port, and the first through hole is communicated with the air passage; the second guide rod is inserted in the second guide hole in a sliding mode, the second diaphragm is located in the air passage, and the second diaphragm is used for sealing the first through hole. In the utility model, the integrated gas circuit module has higher integration level, small volume and low manufacturing cost.

Description

Integrated gas circuit module and breathing equipment

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to an integrated gas circuit module and breathing equipment.

Background

At present, various types of breathing equipment are widely applied to hospitals, and the breathing equipment can be divided into two main types according to the control principle, namely, pneumatic electric control breathing equipment, namely, breathing equipment with an air source of an air compressor, and electric control breathing equipment, namely, turbine breathing equipment without the air source of the air compressor. The turbine breathing equipment can automatically compress the air source without providing high-pressure air from outside, so that the limitation of the turbine breathing equipment is smaller and the turbine breathing equipment is popular in various hospitals.

The air circuit module is a core component of the breathing equipment, and different functions are realized by controlling electronic components on the air circuit through software. In the prior art, a one-way valve is arranged at an outlet on the gas path module, and the one-way flow of gas is controlled by the one-way valve; however, the individual one-way valve is large, thereby increasing the volume of the air path module and increasing the manufacturing cost of the air path module.

Disclosure of Invention

The utility model provides an integrated gas circuit module and breathing equipment, aiming at the technical problems of large volume and high manufacturing cost of the gas circuit module in the prior art.

In view of the above technical problems, the embodiment of the utility model provides an integrated gas circuit module, which comprises a gas outlet unidirectional component, a safety unidirectional component and a mounting seat, wherein the mounting seat is provided with a gas channel, and a gas inlet, a gas outlet and a safety port which are all communicated with the gas channel;

the inner wall of the air outlet is provided with a connecting arm, and the connecting arm is provided with a first guide hole; the air outlet unidirectional assembly comprises a first diaphragm and a first guide rod connected with the first diaphragm, the first guide rod is in sliding insertion connection with the first guide hole, and the first diaphragm is used for blocking the air outlet;

the safety unidirectional component comprises a plugging block, a second diaphragm and a second guide rod connected with the second diaphragm, wherein a second guide hole and a first through hole are formed in the plugging block; the blocking block is arranged in the safety port in a sealing way, and the first through hole is communicated with the air passage; the second guide rod is inserted into the second guide hole in a sliding manner, the second diaphragm is positioned in the air passage, and the second diaphragm is used for sealing the first through hole.

Optionally, a groove matched with the second membrane is formed in the plugging block, and the second guide hole and the first through hole are both formed in the inner wall of the groove.

Optionally, the plugging block is further provided with an annular groove, and the safety unidirectional assembly further comprises a sealing ring installed in the annular groove, and the sealing ring is abutted to the inner wall of the safety port.

Optionally, the safety unidirectional component further comprises a cover plate provided with a second through hole, the cover plate is installed on the installation seat, and a transition space for communicating the safety port and the second through hole is formed between the cover plate and the installation seat.

Optionally, the mounting seat is further provided with a pressure relief space communicated with the air passage, and the integrated air circuit module further comprises a pressure relief valve arranged in the pressure relief space.

Optionally, the pressure relief valve comprises a valve seat, a piston, an elastic piece and a valve barrel; the valve cylinder is provided with an inner space, and a pressure relief hole and a pressure relief inlet which are both communicated with the inner space; the valve seat is arranged in the inner space, the piston is slidably arranged in the inner space through the elastic piece, and the piston is used for conducting or sealing the pressure relief inlet;

the valve cylinder is installed in the pressure relief space, and the pressure relief inlet is communicated with the air passage.

Optionally, a first inserting groove is formed in the piston, an inserting rod is arranged on the valve seat, a second inserting groove is formed in the inserting rod, the inserting rod is inserted into the first inserting groove in a sliding mode, and the elastic piece is installed in the first inserting groove and the second inserting groove.

Optionally, the mounting seat is further provided with a detection port communicated with the air passage, and the integrated air passage module further comprises a detection sensor mounted on the mounting seat and used for detecting the gas parameters in the air passage through the detection port.

Optionally, the mount pad includes air inlet joint, air outlet joint and pedestal, the air inlet joint with the air outlet joint is all installed on the pedestal, the safety vent sets up on the pedestal, the air inlet sets up on the air inlet joint, the gas outlet sets up on the air outlet joint, the air flue sets up air inlet joint the pedestal and on the air outlet joint.

The utility model also provides breathing equipment, which comprises the integrated gas circuit module.

In the utility model, the air outlet unidirectional component comprises a first diaphragm and a first guide rod connected with the first diaphragm, wherein the first guide rod is in sliding connection with a first guide hole of the connecting arm, and the first diaphragm is used for blocking the air outlet; the one-way component of giving vent to anger can realize the effect of the one-way circulation of gas outlet, and the one-way component of giving vent to anger is small in construction, low in manufacturing cost. The safety unidirectional assembly comprises a plugging block, a second diaphragm and a second guide rod connected with the second diaphragm, wherein the second guide rod is in sliding insertion connection with a second guide hole of the plugging block, the plugging block is installed in the safety port in a sealing way, and the second diaphragm is used for sealing a first through hole of the plugging block; the safety unidirectional component can open the first through hole when negative pressure is formed in the air passage, so that suffocation accidents of patients are avoided, and the safety unidirectional component is simple in structure and small in size. In the utility model, the design of the air outlet unidirectional component and the safety unidirectional component improves the integration level of the integrated air circuit module, reduces the volume of the integrated air circuit module and reduces the manufacturing cost of the integrated air circuit module.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of an integrated gas circuit module according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an integrated gas circuit module according to one embodiment of the present utility model;

FIG. 3 is a cross-sectional view of an integrated gas circuit module according to an embodiment of the present utility model from another perspective;

FIG. 4 is a schematic diagram illustrating an air outlet connector of an integrated air circuit module according to an embodiment of the present utility model;

fig. 5 is a schematic view of a portion of an integrated gas circuit module according to an embodiment of the utility model.

Reference numerals in the specification are as follows:

1. a gas outlet unidirectional component; 11. a first membrane; 12. a first guide bar; 2. a secure unidirectional component; 21. a block; 211. a first through hole; 22. a second membrane; 23. a second guide bar; 24. a seal ring; 25. a cover plate; 26. a transition space; 3. a mounting base; 31. an air inlet; 32. an air outlet; 33. an airway; 34. a connecting arm; 341. a first guide hole; 35. an air inlet joint; 36. an air outlet joint; 37. a base; 38. a safety port; 4. a pressure release valve; 41. a valve seat; 42. a piston; 43. an elastic member; 44. a valve cylinder; 441. an inner space; 442. a pressure relief hole; 443. a pressure relief inlet; 5. and detecting the sensor.

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 integrated gas circuit module provided by an embodiment of the present utility model includes a gas outlet unidirectional assembly 1, a safety unidirectional assembly 2, and a mounting seat 3, wherein an air channel 33, a gas inlet 31, a gas outlet 32, and a safety port 38 all communicating with the air channel 33 are provided on the mounting seat 3; it will be appreciated that the air inlet 31 may be connected to the air outlet of the ventilator, and the air outlet 32 may be connected to the airway of the patient, so that the patient draws in the oxygen output by the ventilator through the air outlet 32, the air passage 33 and the air inlet 31. The air inlet 31 and the air outlet 32 are provided at opposite ends of the air passage 33, and the safety vent 38 is provided in the middle of the air passage 33.

A connecting arm 34 is arranged on the inner wall of the air outlet 32, and a first guide hole 341 is arranged on the connecting arm 34; the air outlet unidirectional assembly 1 comprises a first diaphragm 11 and a first guide rod 12 connected with the first diaphragm 11, the first guide rod 12 is slidably inserted into the first guide hole 341, and the first diaphragm 11 is used for blocking the air outlet 32; as can be appreciated, the connecting arm 34 spans across the air outlet 32, and the center line of the first guide hole 341 coincides with the center line of the air outlet 32; the first diaphragm 11 is located outside the air outlet 32; when the first diaphragm 11 abuts against the outer edge of the air outlet 32, the first diaphragm 11 seals the air outlet 32; when the first diaphragm 11 leaves the outer edge of the air outlet 32, the air outlet 32 is turned on. Preferably, the second diaphragm 22 and the second guide bar 23 are integrally formed as a structural member.

The safety unidirectional assembly 2 comprises a plugging block 21, a second membrane 22 and a second guide rod 23 connected with the second membrane 22, wherein a second guide hole (not shown in the figure) and a first through hole 211 are arranged on the plugging block 21; the plugging block 21 is installed in the safety port 38 in a sealing way, and the first through hole 211 is communicated with the air passage 33; the second guide rod 23 is slidably inserted into the second guide hole, the second membrane 22 is located in the air channel 33, and the second membrane 22 is used for sealing the first through hole 211. It may be appreciated that the number of the first through holes 211 may be designed according to actual requirements, for example, 1, 3, 4, etc. of the first through holes 211 are provided; specifically, when the second diaphragm 22 abuts against the inner wall of the block 21, the second diaphragm 22 blocks the first through hole 211; when the second diaphragm 22 is separated from the blocking block 21, the air passage 33 communicates with the external environment through the first through hole 211. Preferably, the second diaphragm 22 and the second guide bar 23 are integrally formed as a structural member.

Specifically, when the air inlet 31 inputs air into the air channel 33, the air in the air channel 33 pushes the second diaphragm 22 to abut against the outer wall of the blocking block 21, so that the second diaphragm 22 blocks the first through hole 211, at this time, the air suction end of the patient is communicated with the air outlet 32, and the air in the air channel 33 drives the first diaphragm 11 to open the air outlet 32, so that the patient can suck the air in the air channel 33 through the air outlet 32. When the front end of the air inlet 31 is blocked (i.e. the air inlet 31 cannot input air into the air channel 33), the air channel of the patient will suck the air in the air channel 33 through the air outlet 32, at this time, the air channel 33 will form a negative pressure space, the air channel 33 in a negative pressure state will drive the second diaphragm 22 to leave the blocking block 21, and the first through hole 211 is opened; the airway of the patient can absorb the air in the external environment through the air outlet 32, the air passage 33 and the first through hole 211, thereby avoiding the suffocation accident of the patient and improving the safety of the integrated air passage module.

In the present utility model, the air outlet unidirectional assembly 1 includes a first membrane 11 and a first guide rod 12 connected to the first membrane 11, the first guide rod 12 is slidably inserted into a first guide hole 341 of the connecting arm 34, and the first membrane 11 is used for blocking the air outlet 32; the one-way air outlet component 1 can realize the one-way circulation of the air outlet 32, and the one-way air outlet component 1 has small structure and low manufacturing cost. The safety unidirectional assembly 2 comprises a plugging block 21, a second diaphragm 22 and a second guide rod 23 connected with the second diaphragm 22, wherein the second guide rod 23 is in sliding insertion connection with a second guide hole of the plugging block 21, the plugging block 21 is in sealing installation in the safety port, and the second diaphragm 22 is used for sealing a first through hole 211 of the plugging block 21; the safety unidirectional component 2 can open the first through hole 211 when negative pressure is formed in the air passage 33, so as to avoid suffocation accident of a patient, and the safety unidirectional component 2 has simple structure and small volume. In the utility model, the design of the air outlet unidirectional component 1 and the safety unidirectional component 2 is utilized, so that the integration level of the integrated air circuit module is improved, the volume of the integrated air circuit module is reduced, and the manufacturing cost of the integrated air circuit module is reduced.

In an embodiment, the plugging block 21 is provided with a groove (not shown in the figure) adapted to the second membrane 22, and the second guiding hole and the first through hole 211 are both disposed on an inner wall of the groove. It will be appreciated that the recess is provided on the inner wall of the block 21, the shape of the recess being designed according to the shape of the second membrane 22; when the second membrane 22 is attached to the inner wall of the groove, the second membrane 22 will block the first through hole 211, so that the tightness of the second membrane 22 when the second membrane 22 blocks the first through hole 211 is ensured.

In one embodiment, as shown in fig. 5, the plugging block 21 is further provided with an annular groove, and the safety unidirectional assembly 2 further includes a sealing ring 24 installed in the annular groove, and the sealing ring 24 abuts against the inner wall of the safety orifice 38. It will be appreciated that the annular recess is provided in the side wall of the block 21 and the design of the sealing ring 24 ensures the tightness of the block 21 in the safety mouth 38.

In an embodiment, as shown in fig. 3, the safety unidirectional assembly 2 further includes a cover plate 25 provided with a second through hole (not shown in the drawing), the cover plate 25 is mounted on the mounting base 3, and a transition space 26 communicating the safety port 38 and the second through hole is enclosed between the cover plate 25 and the mounting base 3. It will be appreciated that the cover plate 25 is mounted on the outer wall of the mounting base 3, and the first through hole 211 is sequentially connected to the external environment through the transition space 26 and the second through hole. In this embodiment, due to the design of the cover plate 25, the plugging block 21 is located in the transition space 26, so that interference of the external environment to the plugging block 21 is avoided, and the service life of the plugging block 21 is prolonged.

In an embodiment, as shown in fig. 2, the mounting base 3 is further provided with a pressure relief space (not shown in the figure) that communicates with the air channel 33, and the integrated air circuit module further includes a pressure relief valve 4 installed in the pressure relief space. It will be appreciated that when the pressure of the gas in the air passage 33 is greater than the preset pressure, the pressure release valve 4 is opened, and the gas in the air passage 33 is released through the pressure release valve 4, so that the safety of the integrated air passage module is ensured. In this embodiment, the pressure release valve 4 is integrated on the mounting base 3, so as to further improve the integration level of the integrated gas circuit module.

In one embodiment, as shown in fig. 2, the relief valve 4 includes a valve seat 41, a piston 42, an elastic member 43, and a valve cylinder 44; the valve cylinder 44 is provided with an inner space 441, a pressure release hole 442 and a pressure release inlet 443 which are communicated with the inner space 441; the valve seat 41 is (fixedly) installed in the inner space 441, the piston 42 is slidably installed in the inner space 441 by the elastic member 43, and the piston 42 is used for conducting or closing the pressure relief inlet 443; it will be appreciated that the resilient member 43 includes, but is not limited to, a spring, a leaf spring, etc., and that when the resilient member 43 is in a free state, the piston 42 will block the relief inlet 443; when the elastic member 43 is in a compressed state, the piston 42 will open the relief inlet 443.

The valve cylinder 44 is installed in the pressure relief space, and the pressure relief inlet 443 communicates with the air passage 33. It will be appreciated that the outer wall of the valve cylinder 44 abuts against the inner wall of the relief space, or that the valve cylinder 44 is mounted in the relief space by means of a sealing ring 24 or the like.

Specifically, when the pressure of the gas in the gas passage 33 is less than the preset pressure, the gas in the gas passage 33 does not drive the piston 42 to move to open the pressure relief inlet 443, so that the gas in the gas passage 33 flows out through the gas outlet 32; when the pressure of the gas in the air passage 33 is greater than the preset pressure, the gas in the air passage 33 drives the piston 42 to compress the elastic member 43, the piston 42 opens the pressure release inlet 443, so that the gas in the air passage 33 enters the internal space 441 through the pressure release inlet 443 and finally is discharged to the external environment through the pressure release hole 442, thereby completing the pressure release work of the high-pressure gas in the air passage 33. In this embodiment, the pressure release valve 4 has a simple structure and low manufacturing cost.

In one embodiment, as shown in fig. 2, the piston 42 is provided with a first insertion groove, the valve seat 41 is provided with an insertion rod, the insertion rod is provided with a second insertion groove, the insertion rod is slidably inserted into the first insertion groove, and the elastic member 43 is installed in the first insertion groove and the second insertion groove. It will be appreciated that the inner diameter of the first insertion groove is larger than the outer diameter of the insertion rod, and the opposite ends of the elastic member 43 respectively abut against the bottom wall of the first insertion groove and the bottom wall of the second insertion groove. In this embodiment, the piston 42 is slidably mounted in the inner space 441 through the first insertion groove inserted in the insertion rod, thereby ensuring the sliding stability of the piston 42 in the inner space 441; in addition, the elastic member 43 is installed in the first and second insertion grooves, so that the installation stability of the elastic member 43 is ensured.

In an embodiment, as shown in fig. 1 and 2, the mounting base 3 is further provided with a detection port communicated with the air passage 33, and the integrated air passage module further includes a detection sensor 5 mounted on the mounting base, where the detection sensor 5 is configured to detect a gas parameter in the air passage 33 through the detection port. It is to be understood that the detection sensor 5 includes, but is not limited to, an oxygen concentration sensor that can detect an oxygen concentration of the gas in the gas passage 33, a pressure sensor that can detect a pressure value of the gas in the gas passage 33, a temperature sensor that can detect a temperature value of the gas in the gas passage 33, and the like. In this embodiment, the detection sensor 5 is integrated on the mounting base 3, so as to further improve the integration level of the integrated gas circuit module.

In one embodiment, as shown in fig. 1, the mounting base 3 includes an air inlet connector 35, an air outlet connector 36 and a base 37, the air inlet connector 35 and the air outlet connector 36 are both mounted on the base 37, the safety vent is disposed on the base 37, the air inlet 31 is disposed on the air inlet connector 35, the air outlet 32 is disposed on the air outlet connector 36, and the air channel 33 is disposed on the air inlet connector 35, the base 37 and the air outlet connector 36. It can be appreciated that the design of the air outlet connector 36 and the air inlet connector 35 facilitates the connection between the integrated air circuit module and the external device, and the block design of the mounting base 3 reduces the manufacturing difficulty of the mounting base 3.

The utility model also provides breathing equipment, which comprises the integrated gas circuit module. It will be appreciated that the breathing apparatus includes, but is not limited to, a ventilator, an anesthesia machine, etc., the air inlet 31 of the integrated air circuit module is connected to the output end of the air mixture of the breathing apparatus, and the air outlet 32 of the integrated air circuit module is connected to the respiratory tract of the patient, so that the patient can suck the air-oxygen mixture output by the breathing apparatus through the integrated air circuit module.

The above embodiments of the integrated gas circuit module of the present utility model are merely examples, and are not intended to limit the present utility model, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The integrated gas circuit module is characterized by comprising a gas outlet unidirectional component, a safety unidirectional component and a mounting seat, wherein the mounting seat is provided with a gas channel, and a gas inlet, a gas outlet and a safety port which are all communicated with the gas channel;

2. The integrated gas circuit module according to claim 1, wherein the plugging block is provided with a groove adapted to the second membrane, and the second guide hole and the first through hole are both disposed on an inner wall of the groove.

3. The integrated gas circuit module of claim 1, wherein the plugging block is further provided with an annular groove, and the safety unidirectional assembly further comprises a sealing ring installed in the annular groove, and the sealing ring is abutted against the inner wall of the safety port.

4. The integrated gas circuit module of claim 1, wherein the safety unidirectional assembly further comprises a cover plate provided with a second through hole, the cover plate is mounted on the mounting seat, and a transition space for communicating the safety port and the second through hole is enclosed between the cover plate and the mounting seat.

5. The integrated gas circuit module of claim 1, wherein the mounting base is further provided with a pressure relief space communicated with the gas passage, and the integrated gas circuit module further comprises a pressure relief valve installed in the pressure relief space.

6. The integrated circuit module of claim 5, wherein the pressure relief valve comprises a valve seat, a piston, an elastic member, and a valve cartridge; the valve cylinder is provided with an inner space, and a pressure relief hole and a pressure relief inlet which are both communicated with the inner space; the valve seat is arranged in the inner space, the piston is slidably arranged in the inner space through the elastic piece, and the piston is used for conducting or sealing the pressure relief inlet;

7. The integrated gas circuit module of claim 6, wherein the piston is provided with a first insertion groove, the valve seat is provided with an insertion rod, the insertion rod is provided with a second insertion groove, the insertion rod is slidably inserted into the first insertion groove, and the elastic member is installed in the first insertion groove and the second insertion groove.

8. The integrated gas circuit module of claim 1, wherein the mounting base is further provided with a detection port communicated with the gas passage, and the integrated gas circuit module further comprises a detection sensor mounted on the mounting base, wherein the detection sensor is used for detecting gas parameters in the gas passage through the detection port.

9. The integrated gas circuit module of claim 1, wherein the mounting base comprises a gas inlet connector, a gas outlet connector and a base, the gas inlet connector and the gas outlet connector are both mounted on the base, the safety vent is disposed on the base, the gas inlet is disposed on the gas inlet connector, the gas outlet is disposed on the gas outlet connector, and the gas channel is disposed on the gas inlet connector, the base and the gas outlet connector.

10. A breathing apparatus comprising an integrated air circuit module as claimed in any one of claims 1 to 9.