CN214343875U - Novel breather valve for breathing machine - Google Patents

Novel breather valve for breathing machine Download PDF

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Publication number
CN214343875U
CN214343875U CN202022381845.3U CN202022381845U CN214343875U CN 214343875 U CN214343875 U CN 214343875U CN 202022381845 U CN202022381845 U CN 202022381845U CN 214343875 U CN214343875 U CN 214343875U
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CN
China
Prior art keywords
valve
fan blade
valve body
cover
emergency
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Active
Application number
CN202022381845.3U
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Chinese (zh)
Inventor
王勇
姚鹏
余晓丹
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Henan Huirui Biomedical Electronics Co ltd
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Henan Huirui Biomedical Electronics Co ltd
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Priority to CN202022381845.3U priority Critical patent/CN214343875U/en
Application granted granted Critical
Publication of CN214343875U publication Critical patent/CN214343875U/en
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Abstract

The utility model discloses a novel breather valve for a breathing machine, which belongs to the field of design and research and development of medical products, and comprises an air inlet, an air outlet and an air outlet, and further comprises a valve body and a valve cover, wherein a partition plate is arranged inside the valve body, a transmission rod, a first fan blade and a second fan blade are arranged on the partition plate, the first fan blade and the second fan blade are respectively arranged at two ends of the transmission rod, one end of the valve body is provided with the air outlet, the other end of the valve body is provided with an emergency vent hole, a one-way diaphragm is arranged inside the air outlet, a third one-way diaphragm is arranged inside the emergency vent hole, an emergency vent cover is arranged at the port part of the emergency vent hole, a first one-way diaphragm is arranged inside the air inlet, and a second one-way diaphragm is arranged inside the valve cover; the utility model discloses in: combine the rotation of two fan blades, help the breather valve to exhaust and admit air, prevent that patient from relapseing a large amount of exhaust gas of breathing in, when the interim trouble of breathing machine, the breather valve still can normally work, has improved work efficiency.

Description

Novel breather valve for breathing machine
Technical Field
The utility model belongs to the design and research and development field of medical product, concretely relates to novel breather valve for breathing machine.
Background
In modern clinical medicine, a ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation as an effective means for manually replacing the function of spontaneous ventilation, and has a very important position in the modern medical field. The breather valve is an important component for the mutual connection of the oxygen end and the patient end in the breathing machine, and is mainly used for connecting the breathing machine and a patient to realize the separation of exhaled air and inhaled air, thereby ensuring the smooth operation of breathing action.
The simple function of structure of present breather valve is also more single, can not satisfy the use under the multiple condition, and when using, the waste gas of patient's exhalation probably remains in the breather valve in a large number, leads to patient to inhale exhaling waste gas repeatedly, and when still the breathing machine breaks down temporarily, the unable use of complete equipment needs to be dismantled, lets patient's spontaneous breathing, trouble very.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a novel breather valve for breathing machine has solved among the prior art patient and has relapseed a large amount of exhale waste gas questions of breathing, and when the interim trouble of breathing machine, the breather valve still can normally work, has improved work efficiency.
The utility model adopts the technical scheme as follows:
a novel breather valve for a breathing machine comprises an air inlet, an air outlet and an air outlet, and is characterized by also comprising a valve body and a valve cover, wherein the valve cover is in contact connection with the valve body;
the valve body is internally provided with a partition plate, the partition plate is provided with a transmission rod, a first fan blade and a second fan blade, the first fan blade and the second fan blade are respectively arranged at two ends of the transmission rod, one end of the valve body is provided with an exhaust port, the other end of the valve body is provided with an emergency vent hole, a first one-way diaphragm is arranged in the exhaust port, a third one-way diaphragm is arranged in the emergency vent hole, an emergency vent cover is arranged at the port of the third one-way diaphragm, and a first one-way diaphragm is arranged in the air inlet;
and a one-way diaphragm II is arranged in the valve cover.
Preferably, the valve cover is in threaded connection with the valve body, and the emergency vent hole is in threaded connection with the emergency vent cover.
Preferably, the closed part of the valve cover and the valve body is provided with a first rubber sealing ring, and the closed parts of the emergency vent hole and the emergency vent hole cover are provided with a second rubber sealing ring.
Preferably, the section of the partition plate is in an inverted L shape.
Preferably, the partition plate is provided with a bearing placing hole, the bearing placing hole is provided with a one-way bearing, and the bearing placing hole is in interference fit with the one-way bearing.
Preferably, the one-way bearing and the transmission rod are connected in a matched mode through a rectangular key and a key groove.
Preferably, the transmission rod and the two fan blades are in threaded rotary connection, and then the end parts of the transmission rod connected with the two fan blades are fastened and connected through nuts.
Preferably, a pressure sensor is arranged on the valve body.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, set up the division board, set up two fan blades on the division board, and two fan blades are connected on the same transfer line, when one of them fan blade rotates, can drive the rotation of another fan blade, accelerated the speed of getting rid of waste gas while accelerating the admission like this, have prevented the patient from inhaling the waste gas repeatedly effectively; the valve body is provided with the emergency vent, when the respirator breaks down temporarily, the emergency vent can be opened, so that the patient can breathe independently through the valve without taking off the whole set of equipment, and the working efficiency is improved.
Drawings
Fig. 1 is a half sectional view of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a right side view of the divider plate of the present invention;
FIG. 4 is an enlarged view of FIG. 1;
fig. 5 is a schematic structural view of the fan blade of the present invention;
the labels in the figure are: the device comprises a partition plate 1, a valve body 2, a fan blade I3, an exhaust port 4, a unidirectional diaphragm I5, a valve cover 6, an air inlet 7, a unidirectional diaphragm II 8, a rubber sealing ring I9, an emergency vent cover 10, a unidirectional diaphragm III 11, an emergency vent hole 12, a rubber sealing ring II 13, a fan blade II 14, a transmission rod 15, a gas outlet 16, a bearing placing hole 17, a unidirectional bearing 18 and a pressure sensor 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Example 1
The novel breather valve for the breathing machine shown in fig. 1-5 comprises an air inlet 7, an air outlet 4, an air outlet 16, a valve body 2 and a valve cover 6, wherein the valve cover 6 is in contact connection with the valve body 2;
a partition plate 1 is arranged inside the valve body 2, a transmission rod 15, a first fan blade 3 and a second fan blade 14 are arranged on the partition plate 1, the first fan blade 3 and the second fan blade 14 are respectively arranged at two ends of the transmission rod 15, an exhaust port 4 is arranged at one end of the valve body 2, an emergency vent hole 12 is arranged at the other end of the valve body, a one-way diaphragm I5 is arranged inside the exhaust port 4, a one-way diaphragm III 11 is arranged inside the emergency vent hole 12, an emergency vent cover 10 is arranged at the port of the one-way diaphragm III, and a one-way diaphragm I5 is arranged inside the air inlet 7;
the valve cover 6 is internally provided with a one-way diaphragm II 8.
When the device is implemented, after various components are installed, the respirator is opened, the respirator starts to work, oxygen provided by the respirator enters from the air inlet 7, the air can only and cannot go out through the one-way diaphragm II 8, the emergency vent 12 is in a closed state, a patient starts to breathe, the air provided by the respirator enters from the right side of the partition plate 1 and drives the fan blade II 14 to start to rotate, the fan blade II 14 and the fan blade I3 are connected on the same transmission rod 15, so that the rotation of the fan blade II 14 further drives the fan blade I3 to rotate, the continuous outward exhaust of the fan blade I3 and the continuous inward conveying of the oxygen brought by the respirator are realized, meanwhile, the transmission rod 15 is provided with the one-way bearing 18, so that the fan blade I3 and the fan blade II 14 can only rotate towards one direction, namely the fan blade I3 can exhaust outwards and the fan blade II 14 rotates towards the inward air supply direction, the one-way diaphragm I is arranged in the exhaust port 4 to prevent gas from entering from the outside, so that repeated waste gas inhalation of a patient is effectively prevented.
Preferably, a first rubber sealing ring 9 is arranged at the closing part of the valve cover 6 and the valve body 2, and a second rubber sealing ring 13 is arranged at the closing part of the emergency vent hole 12 and the emergency vent cover 10. The sealing performance of the breather valve can be better improved by arranging the sealing rubber ring, and the working efficiency of the breathing machine is improved.
Preferably, the partition plate 1 has an inverted L-shaped cross section. Exhaust gas and intake gas can be better separated.
Preferably, the division board is provided with a bearing placing hole 17, the bearing placing hole is provided with a one-way bearing 18, and the bearing placing hole 17 and the one-way bearing 18 are in interference fit. The one-way bearing 18 is arranged to better control the rotation of the transmission rod 15, so that the rotation of the first fan blade 3 and the second fan blade 14 is controlled, the respective air supply directions of the fan blades are met, and unnecessary connecting pieces can be reduced by adopting interference fit.
Preferably, the transmission rod 15 and the two fan blades 14 are in threaded rotary connection, and then the ends of the transmission rod 15 connected with the two fan blades 14 are fastened and connected through nuts. The cooperation of screw thread and nut can facilitate the dismantlement of in-process that uses.
Preferably, the valve body 2 is provided with a pressure sensor 19. The pressure measuring tube is connected with the host pressure sensor, so that the real-time pressure at the patient end of the breathing airway can be detected, and the air inlet of the breathing machine can be adjusted.
Example 2
As shown in fig. 1, on the basis of the first embodiment, one end of the valve body 2 is provided with an exhaust port 4, the other end of the valve body is provided with an emergency vent 12, a one-way membrane 5 is arranged inside the exhaust port 4, a three-way membrane 11 is arranged inside the emergency vent 12, and an emergency vent cover 10 is arranged at the port of the one-way membrane.
When the respirator is used, when the respirator is in temporary failure, the emergency vent 12 can be opened to enable a patient to breathe independently, the one-way diaphragm III 11 is arranged inside the emergency vent 12 to allow air to enter but not to be discharged, the one-way diaphragm II 8 prevents the air from being discharged, and the working process of the fan blade I3 and the fan blade II 14 is the same as that of the first embodiment. When the respirator is in temporary failure, the breather valve can still normally work, and the working efficiency is improved.

Claims (8)

1. A novel breather valve for a breathing machine comprises an air inlet (7), an air outlet (4) and an air outlet (16), and is characterized by further comprising a valve body (2) and a valve cover (6), wherein the valve cover (6) is in contact connection with the valve body (2);
the emergency air vent is characterized in that a partition plate (1) is arranged inside the valve body (2), a transmission rod (15), a first fan blade (3) and a second fan blade (14) are arranged on the partition plate (1), the first fan blade (3) and the second fan blade (14) are respectively arranged at two ends of the transmission rod (15), one end of the valve body (2) is provided with an air outlet (4), the other end of the valve body is provided with an emergency air vent (12), a one-way diaphragm I (5) is arranged inside the air outlet (4), a three one-way diaphragm (11) is arranged inside the emergency air vent (12), an emergency air vent cover (10) is arranged at the port of the emergency air vent, and a one-way diaphragm I (5) is arranged inside the air inlet (7);
and a one-way diaphragm II (8) is arranged in the valve cover (6).
2. The novel breather valve for a respirator according to claim 1, wherein the valve cover (6) is in threaded connection with the valve body (2), and the emergency vent port (12) is in threaded connection with the emergency vent port cover (10).
3. The novel breather valve for a respirator according to claim 2, wherein a first rubber sealing ring (9) is arranged at the closing part of the valve cover (6) and the valve body (2), and a second rubber sealing ring (13) is arranged at the closing part of the emergency vent hole (12) and the emergency vent cover (10).
4. The new breather valve for a respirator according to claim 1, characterized in that the section of the partition plate (1) is in the shape of an inverted L.
5. The novel breather valve for a respirator according to claim 4, wherein the partition plate (1) is provided with a bearing placing hole (18), the bearing placing hole (18) is provided with a one-way bearing (17), and the bearing placing hole (18) and the one-way bearing (17) are in interference fit.
6. The novel breather valve for a respirator according to claim 5, wherein the one-way bearing (17) and the transmission rod (15) are connected in a rectangular key and key groove fit manner.
7. The novel breather valve for a respirator according to claim 6, wherein the transmission rod (15) is in threaded rotary connection with the first fan blade (3) and the second fan blade (14), and then the end of the transmission rod (15) connected with the first fan blade (3) and the second fan blade (14) is fastened and connected through nuts.
8. The new type of breather valve for a respirator according to claim 1, characterized in that the valve body (2) is provided with a pressure sensor (19).
CN202022381845.3U 2020-10-23 2020-10-23 Novel breather valve for breathing machine Active CN214343875U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022381845.3U CN214343875U (en) 2020-10-23 2020-10-23 Novel breather valve for breathing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022381845.3U CN214343875U (en) 2020-10-23 2020-10-23 Novel breather valve for breathing machine

Publications (1)

Publication Number Publication Date
CN214343875U true CN214343875U (en) 2021-10-08

Family

ID=77969623

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022381845.3U Active CN214343875U (en) 2020-10-23 2020-10-23 Novel breather valve for breathing machine

Country Status (1)

Country Link
CN (1) CN214343875U (en)

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