CN219388679U - Expiratory valve with high end-expiratory pressure, steady flow and no abnormal sound - Google Patents
Expiratory valve with high end-expiratory pressure, steady flow and no abnormal sound Download PDFInfo
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- CN219388679U CN219388679U CN202222261638.3U CN202222261638U CN219388679U CN 219388679 U CN219388679 U CN 219388679U CN 202222261638 U CN202222261638 U CN 202222261638U CN 219388679 U CN219388679 U CN 219388679U
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Abstract
The utility model discloses an exhalation valve with high positive end pressure, steady flow and no abnormal sound, which comprises a sampling tube front end, a sampling tube rear end, a sampling seat, an exhalation valve shell and a valve cover, wherein: the utility model optimizes the structure of the gas path of the sampling tube of the exhalation valve by arranging the front end of the sampling tube and the rear end of the sampling tube, and the bidirectional conical gas path has more stable gas flow, avoids the possibility of abnormal noise of exhalation, effectively improves the upper limit of PEEP performance, ensures that the exhaled liquid is not easy to accumulate by arranging the front end of the sampling tube and the rear end of the sampling tube horizontally in the shell of the exhalation valve, and ensures that the product acts through the one-way valve of the pep film by arranging the pep film and the pipeline is sealed in the inhalation period.
Description
Technical Field
The utility model belongs to the technical field of exhalation valves, and particularly relates to an exhalation valve with high positive end-expiratory pressure, steady flow and no abnormal sound.
Background
The requirements of the current market on the performance and operability of the breathing machine exhalation valve are higher and higher, the exhalation valve can play the basic functions, the exhalation valve is ensured to have no noise pollution to the outside, meanwhile, the disassembly and the cleaning are convenient, the lower disassembly and cleaning period is also kept, and the manufacturing cost is also considered.
The existing exhalation valve has the following defects:
1. in the actual production debugging process, when the PEEP of the breathing machine is regulated to a certain level, the exhalation valve can emit a burst of abnormal sound in the exhalation process, the adjustment is needed repeatedly, and the production efficiency is very low. And the risk of abnormal sound can occur repeatedly after medical staff disinfects in clinical use;
2. the ventilation between the valve cover and the valve body in the exhalation valve is direct butt joint, and the air flow is unstable, so that abnormal sound occurs;
3. the vertical structure of the exhalation valve is easy to accumulate liquid due to gravity;
4. the upper peak performance limit of the exhalation valve is low.
Thus, improvements are needed.
Disclosure of Invention
The utility model aims to provide an exhalation valve with high positive end pressure, steady flow and no abnormal sound so as to solve the technical problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high positive end of breathing out, stationary flow, the exhale valve of no abnormal sound, includes sampling tube front end, sampling tube rear end, sampling seat, exhale valve housing, valve gap and exhale valve sampling tube ventilation cavity passageway, wherein:
the front end of the sampling tube is connected with the rear end of the sampling tube, a sampling tube front end ventilation cavity channel is arranged in the front end of the sampling tube, and the sampling tube front end ventilation cavity channel comprises a sampling tube front end ventilation cavity channel air inlet end and a sampling tube front end ventilation cavity channel air outlet end;
the rear end of the sampling tube is internally provided with a rear end ventilation cavity channel of the sampling tube, and the rear end ventilation cavity channel of the sampling tube comprises an air inlet end of the rear end ventilation cavity channel of the sampling tube and an air outlet end of the rear end ventilation cavity channel of the sampling tube;
sampling seat is connected with at sampling pipe front end and sampling pipe rear end top, just the valve gap is through being connected with the valve gap installation rotatory constant head tank of sampling pipe front end back through valve gap installation buckle with sampling pipe rear end joint in the exhalation valve shell inside.
Preferably, the sampling tube front end ventilation cavity channel and the sampling tube rear end ventilation cavity channel are combined into an exhalation valve sampling tube ventilation cavity channel.
Preferably, the inner diameter of the sampling tube from the air inlet end of the front end ventilation cavity channel to the air outlet end of the front end ventilation cavity channel is in a tapered state, and the inner diameter of the sampling tube from the air outlet end of the rear end ventilation cavity channel to the air inlet end of the rear end ventilation cavity channel is in a tapered state.
Preferably, the left side of the front end of the sampling tube is provided with a connecting nut which is connected with a connecting screw on the right side of the rear end of the sampling tube, and the joint of the front end of the sampling tube and the rear end of the sampling tube is provided with a sampling membrane.
Preferably, the bottom of the sampling seat is provided with a sampling seat exhalation high-pressure air inlet, the sampling seat exhalation low-pressure air inlet is respectively connected with an exhalation high-pressure air outlet at the top of the front end of the sampling tube and an exhalation low-pressure air outlet arranged at the top of the rear end of the sampling tube, a large O-shaped ring is arranged in the exhalation high-pressure air outlet, the left side of the sampling seat is provided with a sampling seat exhalation high-pressure air outlet and a sampling seat exhalation low-pressure air outlet, the inside of the sampling seat exhalation high-pressure air outlet and the sampling seat exhalation low-pressure air outlet are filled with small O-shaped rings, and the back of the sampling seat is provided with a sealing plug.
Preferably, the periphery of the rear end of the sampling tube is provided with an installation guide rib, the left port of the rear end of the sampling tube is provided with a pep membrane, the front surface of the rear end of the sampling tube is provided with an exhalation exhaust port, the exhalation exhaust port is connected with an exhalation one-way membrane, the inside of a ventilation cavity channel of the sampling tube of the exhalation valve is provided with an exhalation low-pressure sampling guide assembly, and the exhalation low-pressure sampling guide assembly is positioned between an exhalation high-pressure air inlet of the sampling seat and an exhalation low-pressure air inlet of the sampling seat.
Preferably, the top of the exhalation valve housing corresponds to the high-pressure exhalation port and the low-pressure exhalation port of the sampling seat and is provided with a high-pressure exhalation port and a low-pressure exhalation port, the left port of the exhalation valve housing is provided with a peep air inlet and a peep pressure monitoring port, the rear end of the sampling tube is abutted to the inner wall of the exhalation valve housing through a peep pressure control cavity, the front face of the exhalation valve housing is provided with an exhalation exhaust pipe, the exhalation exhaust pipe is an exhaust port, and the bottom of the exhalation valve housing is provided with a plurality of fixing nuts.
The utility model has the technical effects and advantages that: the expiratory valve with high positive end expiratory pressure, steady flow and no abnormal sound has the following advantages:
1. through setting up sampling tube front end and sampling tube rear end, optimized the gas circuit structure of exhalation valve sampling tube, two-way toper gas circuit air current is more stable, avoids appearing exhaling the possibility of abnormal sound, has effectively improved PEEP performance upper limit.
2. Through setting up sampling tube front end and sampling tube rear end level inside the exhalation valve shell for exhale liquid is difficult for gathering, and through setting up pep diaphragm, makes the product pass through pep diaphragm check valve effect, inhale the sealed pipeline of period.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a schematic illustration of a packet cross-section of the present utility model;
fig. 3 is a schematic structural view of the present utility model.
In the figure: 1-sampling tube front end, 11-exhalant high-pressure air outlet, 12-large O-ring, 13-connecting nut, 14-valve cover mounting rotary positioning groove, 15-exhalant high-pressure sampling flow guiding component, 16-sampling tube front end ventilation cavity channel, 161-sampling tube front end ventilation cavity channel air inlet end, 162-sampling tube front end ventilation cavity channel air outlet end, 2-adopting tube rear end, 21-exhalant low-pressure air outlet, 22-mounting guide rib, 23-peep membrane, 24-exhalant one-way membrane, 25-exhalant air outlet, 26-connecting screw, 27-sampling membrane, 28-exhalant low-pressure sampling flow guiding component, 29-sampling tube rear end ventilation cavity channel, 291-sampling tube rear end ventilation cavity way air inlet, 292-sampling tube rear end ventilation cavity way air outlet, 3-sampling seat, 31-sampling seat exhales high-pressure air inlet, 32-sampling seat exhales low-pressure air inlet, 33-sampling seat exhales high-pressure air outlet, 34-sampling seat exhales low-pressure air outlet, 35-little O-ring, 36-sealing plug, 4-exhales valve housing, 41-valve gap installation buckle, 42-exhales low-pressure mouth, 43-exhales high-pressure mouth, 44-peep air inlet, 45-peep pressure monitoring mouth, 46-peep pressure control cavity, 47-exhales blast pipe, 48-gas vent, 49-fixation nut, 5-valve gap.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an exhalation valve with high positive end pressure, steady flow and no abnormal sound as shown in figures 1-3, which comprises a sampling tube front end 1, a sampling tube rear end 2, a sampling seat 3, an exhalation valve shell 4 and a valve cover 5, wherein:
the sampling tube front end 1 is connected with the sampling tube rear end 2, a sampling tube front end ventilation cavity channel 16 is arranged in the sampling tube front end 1, and the sampling tube front end ventilation cavity channel 16 comprises a sampling tube front end ventilation cavity channel air inlet end 161 and a sampling tube front end ventilation cavity channel air outlet end 162;
the rear end 2 of the sampling tube is internally provided with a rear end ventilation cavity channel 29 of the sampling tube, and the rear end ventilation cavity channel 29 of the sampling tube comprises a rear end ventilation cavity channel air inlet end 291 of the sampling tube and a rear end ventilation cavity channel air outlet end 292 of the sampling tube;
sampling tube front end 1 and sampling tube rear end 2 top are connected with sampling seat 3, just valve gap 5 is through being connected the back with the valve gap installation rotary positioning groove 14 of sampling tube front end 1 through valve gap installation buckle 41 with sampling tube rear end 2 joint inside exhale valve housing 4 for exhale liquid is difficult for gathering through setting up sampling tube front end 1 and sampling tube rear end 2 level inside exhale valve housing 4.
Specifically, the sampling tube front end vent lumen 16 and the sampling tube rear end vent lumen 29 combine to form an exhalation valve sampling tube vent lumen.
Specifically, the sampling tube front end ventilation cavity way air inlet end 161 to the sampling tube front end ventilation cavity way air outlet end 162 are in an inner diameter tapered state, the sampling tube rear end ventilation cavity way air outlet end 292 to the sampling tube rear end ventilation cavity way air inlet end 291 are in an inner diameter tapered state, the bidirectional conical gas circuit air flow is more stable, the possibility of abnormal noise in exhalation is avoided, and the PEEP performance upper limit is effectively improved.
Specifically, the left side of the front end 1 of the sampling tube is provided with a connecting nut 13 which is connected with a connecting screw 26 on the right side of the rear end 2 of the sampling tube, and the joint of the front end 1 of the sampling tube and the rear end 2 of the sampling tube is provided with a sampling diaphragm 27.
Specifically, the bottom of the sampling seat 3 is provided with a sampling seat exhalation high-pressure air inlet 31, a sampling seat exhalation low-pressure air inlet 32 is respectively connected with an exhalation high-pressure air outlet 11 at the top of the sampling tube front end 1 and an exhalation low-pressure air outlet 21 arranged at the top of the sampling tube rear end 2, a large O-shaped ring 12 is arranged in the exhalation high-pressure air outlet 11, the left side of the sampling seat 3 is provided with a sampling seat exhalation high-pressure air outlet 33 and a sampling seat exhalation low-pressure air outlet 34, the inside of the sampling seat exhalation high-pressure air outlet 33 and the sampling seat exhalation low-pressure air outlet 34 is filled with a small O-shaped ring 35, and the back of the sampling seat 3 is provided with a sealing plug 36, so that the product is simple to install and detach through the connection of a buckle, and the installation efficiency of operators is improved.
Specifically, the periphery of the sampling tube rear end 2 is provided with an installation guide rib 22, the left port of the sampling tube rear end 2 is provided with a pep membrane 23, the front surface of the sampling tube rear end 2 is provided with an exhalation exhaust port 25, the exhalation exhaust port 25 is connected with an exhalation one-way membrane 24, the inside of a ventilation cavity of the sampling tube of the exhalation valve is provided with an exhalation low-pressure sampling guide assembly 28, and the exhalation low-pressure sampling guide assembly 28 is positioned between an exhalation high-pressure air inlet 31 of the sampling seat and an exhalation low-pressure air inlet 32 of the sampling seat, so that a product acts through the pep membrane 23 one-way valve, and a suction period seals a pipeline.
Specifically, the top of the exhalation valve housing 4 corresponds to the high-pressure exhalation port 33 and the low-pressure exhalation port 34 of the sample holder, and is provided with a high-pressure exhalation port 43 and a low-pressure exhalation port 42, and the left port of the exhalation valve housing 4 is provided with a pep air inlet 44 and a pep pressure monitoring port 45, the rear end 2 of the sample tube is abutted to the inner wall of the exhalation valve housing 4 through a pep pressure control cavity 46, and the front of the exhalation valve housing 4 is provided with an exhalation exhaust pipe 47, the exhalation exhaust pipe 47 is an exhaust port 48, and the bottom of the exhalation valve housing 4 is provided with a plurality of fixing nuts 49.
Working principle: the high-end positive pressure, steady flow and abnormal sound-free exhalation valve is characterized in that the front end 1 of a sampling tube is connected with the rear end 2 of the sampling tube, a large O-shaped ring 12 is filled in an exhalation high-pressure air outlet 11 and an exhalation low-pressure air outlet 21 to connect a sampling seat 3 with the sampling tube of the exhalation valve, a pep membrane 23 is arranged on the left side of the rear end 2 of the sampling tube, the rear end 2 of the sampling tube is pushed into an exhalation valve shell 4, and a valve cover 28 is connected with the front end 11 of the sampling tube and then connected with the valve cover 5 after a connecting nut 13 is connected with a connecting screw 26, so that the installation is completed.
Through setting up sampling pipe front end 1 and sampling pipe rear end 2, optimized the gas circuit structure of exhale valve sampling pipe, two-way toper gas circuit air current is more stable, avoids appearing exhaling the possibility of abnormal sound, has effectively improved PEEP performance upper limit, through setting up sampling pipe front end 1 and sampling pipe rear end 2 level inside exhale valve housing 2 for exhale liquid is difficult for gathering, and through setting up PEEP diaphragm 23, makes the product pass through PEEP diaphragm 23 check valve effect, inhales the sealed pipeline of period.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a high positive end of breathing out, stationary flow, the exhale valve of no abnormal sound, its characterized in that includes sampling tube front end (1), sampling tube rear end (2), sampling seat (3), exhale valve housing (4), valve gap (5) and exhale valve sampling tube ventilation cavity way, wherein:
the sampling tube front end (1) is connected with the sampling tube rear end (2), a sampling tube front end ventilation cavity channel (16) is arranged in the sampling tube front end (1), and the sampling tube front end ventilation cavity channel (16) comprises a sampling tube front end ventilation cavity channel air inlet end (161) and a sampling tube front end ventilation cavity channel air outlet end (162);
a sampling tube rear end ventilation cavity channel (29) is arranged in the sampling tube rear end (2), and the sampling tube rear end ventilation cavity channel (29) comprises a sampling tube rear end ventilation cavity channel air inlet end (291) and a sampling tube rear end ventilation cavity channel air outlet end (292);
sampling seat (3) are connected to sampling tube front end (1) and sampling tube rear end (2) top, just valve gap (5) are through being connected with valve gap installation rotary positioning groove (14) of sampling tube front end (1) back through valve gap installation buckle (41) with sampling tube rear end (2) joint inside exhalation valve housing (4).
2. The high positive end expiratory pressure, flow stabilizing and abnormal sound free exhalation valve of claim 1, wherein: the sampling tube front end ventilation cavity channel (16) and the sampling tube rear end ventilation cavity channel (29) are combined into an exhalation valve sampling tube ventilation cavity channel.
3. The high positive end expiratory pressure, flow stabilizing and abnormal sound free exhalation valve of claim 1, wherein: the sampling tube front end ventilation cavity channel air inlet end (161) to the sampling tube front end ventilation cavity channel air outlet end (162) are in an inner diameter tapered state, and the sampling tube rear end ventilation cavity channel air outlet end (292) to the sampling tube rear end ventilation cavity channel air inlet end (291) are in an inner diameter tapered state.
4. The high positive end expiratory pressure, flow stabilizing and abnormal sound free exhalation valve of claim 1, wherein: the left side of the sampling tube front end (1) is provided with a connecting nut (13) which is connected with a connecting screw (26) on the right side of the sampling tube rear end (2), and the joint of the sampling tube front end (1) and the sampling tube rear end (2) is provided with a sampling diaphragm (27).
5. The high positive end expiratory pressure, flow stabilizing and abnormal sound free exhalation valve of claim 1, wherein: the sampling seat (3) bottom sets up sampling seat exhales high-pressure air inlet (31), and sampling seat exhales low-pressure air inlet (32) respectively with exhales high-pressure air outlet (11) at sampling tube front end (1) top and exhales low-pressure air outlet (21) that sampling tube rear end (2) top set up are connected, just set up big O shape circle (12) in exhaling high-pressure air outlet (11), sampling seat (3) left side sets up sampling seat exhales high-pressure air outlet (33) and sampling seat exhales low-pressure air outlet (34), just sampling seat exhales high-pressure air outlet (33) and sampling seat exhales inside all the packing of low-pressure air outlet (34) and sets up little O shape circle (35), just sampling seat (3) back sets up sealed end cap (36).
6. The high positive end expiratory pressure, flow stabilizing and abnormal sound free exhalation valve of claim 5, wherein: the device is characterized in that an installation guide rib (22) is arranged on the periphery of the rear end (2) of the sampling tube, a peep membrane (23) is arranged at a port on the left side of the rear end (2) of the sampling tube, an exhalation exhaust port (25) is arranged on the front face of the rear end (2) of the sampling tube, an exhalation unidirectional membrane (24) is arranged on the connection of the exhalation exhaust port (25), an exhalation low-pressure sampling flow guide assembly (28) is arranged inside an exhalation valve sampling tube ventilation cavity, and the exhalation low-pressure sampling flow guide assembly (28) is positioned between an exhalation high-pressure air inlet (31) of the sampling tube and an exhalation low-pressure air inlet (32) of the sampling tube.
7. The high positive end expiratory pressure, flow stabilizing and abnormal sound free exhalation valve of claim 1, wherein: the utility model discloses a high-pressure gas outlet (33) and low pressure mouth (42) are exhaled to sample seat to exhale valve housing (4) top, and sample seat exhales low pressure gas outlet (34) and sets up exhales high-pressure mouth (43) and exhales low pressure mouth (42), just exhales valve housing (4) left side port department is provided with peep air inlet (44) and peep pressure monitoring mouth (45), sample pipe rear end (2) pass through peep pressure control chamber (46) butt exhales valve housing (4) inner wall, just exhales valve housing (4) openly and sets up exhales blast pipe (47), exhales blast pipe (47) be gas vent (48), just exhales valve housing (4) bottom and sets up a plurality of fixation nut (49).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222261638.3U CN219388679U (en) | 2022-08-26 | 2022-08-26 | Expiratory valve with high end-expiratory pressure, steady flow and no abnormal sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222261638.3U CN219388679U (en) | 2022-08-26 | 2022-08-26 | Expiratory valve with high end-expiratory pressure, steady flow and no abnormal sound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219388679U true CN219388679U (en) | 2023-07-21 |
Family
ID=87191328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222261638.3U Active CN219388679U (en) | 2022-08-26 | 2022-08-26 | Expiratory valve with high end-expiratory pressure, steady flow and no abnormal sound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219388679U (en) |
-
2022
- 2022-08-26 CN CN202222261638.3U patent/CN219388679U/en active Active
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