CN212745177U - Filtering one-way valve - Google Patents
Filtering one-way valve Download PDFInfo
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- CN212745177U CN212745177U CN202020961840.5U CN202020961840U CN212745177U CN 212745177 U CN212745177 U CN 212745177U CN 202020961840 U CN202020961840 U CN 202020961840U CN 212745177 U CN212745177 U CN 212745177U
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Abstract
The utility model discloses a filter check valve, including valve body, one-way conduction structure, filtration piece, the valve body is equipped with valve body air inlet, valve body gas outlet, one-way conduction structure, filtration piece set up between valve body air inlet and valve body gas outlet, one-way conduction structure is used for switching on/off the passageway between valve body air inlet and the valve body gas outlet, it is used for purifying oxygen to filter the piece. The filtering one-way valve of the utility model has simple and compact structure, integrates the one-way valve and the air outlet filtering device, not only reduces the assembly steps, improves the production efficiency, is beneficial to production, but also reduces the occupation of the inner space of the oxygen generator; in addition, the air outlet of the air inlet cover is arranged on the air outlet convex part on the air inlet base body, so that oxygen flowing through can flow and can be fully purified.
Description
Technical Field
The utility model relates to an oxygenerator technical field specifically relates to a filter check valve.
Background
An oxygen generator, as the name implies, is a machine for producing oxygen, in which the one-way valve and the outlet air filtering means are important components of the oxygen generator, usually two separate parts. Two parts need to be assembled respectively in the product assembling process, the production is troublesome, and a larger space inside the product is occupied.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a filter check valve.
The utility model discloses a filter check valve, including valve body, one-way conduction structure, filtration piece, the valve body is equipped with valve body air inlet, valve body gas outlet, one-way conduction structure, filtration piece set up between valve body air inlet and valve body gas outlet, one-way conduction structure is used for switching on/off the passageway between valve body air inlet and the valve body gas outlet, it is used for purifying oxygen to filter the piece.
According to the utility model discloses an embodiment, the valve body includes intake pipe, air inlet cover and goes out the air cap, intake pipe, air inlet cover and play air cap all have air inlet and gas outlet, the gas outlet of intake pipe is connected with air inlet of air inlet cover, air inlet cover's the gas outlet and the air inlet intercommunication that goes out the air cap, the one-way conduction structure sets up between the gas outlet of intake pipe and air inlet of air inlet cover, filter the setting between air outlet of air inlet cover and the air inlet of going out the air cap.
According to the utility model discloses an embodiment, the one-way conduction structure includes spring, end cap, the one end of spring is supported on the lid that admits air, and its other end is connected with the one end of end cap, the other end of end cap supports on the gas outlet of intake pipe.
According to an embodiment of the present invention, the filter member is filter paper.
According to the utility model discloses an embodiment, the intake pipe includes pipe body, connection section of thick bamboo portion, the air inlet setting of intake pipe is served at one of intake pipe, the gas outlet setting of intake pipe is served at the other end of intake pipe, it sets up on the tip of the gas outlet that the pipe body is close to the intake pipe to connect section of thick bamboo portion.
According to the utility model discloses an embodiment, the lid that admits air includes the admission pipe body, the pedestal that admits air, the admission pipe body sets up on one side of the pedestal that admits air, the air inlet setting of the lid that admits air is kept away from at the admission pipe body on the tip of the pedestal that admits air, the gas outlet setting of the lid that admits air is on the pedestal that admits air.
According to the utility model discloses an embodiment, the lid of giving vent to anger is including the body of giving vent to anger, the pedestal of giving vent to anger, the body setting of giving vent to anger is on one side of the pedestal of giving vent to anger, the gas outlet setting of the lid of giving vent to anger is on the tip that the pedestal of giving vent to anger was kept away from to the body of giving vent to anger, the air inlet setting of the lid of.
According to the utility model discloses an embodiment, the pedestal that admits air is equipped with first seat chamber, be equipped with convex part, first rib of giving vent to anger in the first seat chamber, the gas outlet setting of lid that admits air is on the lateral part of the convex part of giving vent to anger, first rib extends to the gas outlet department of lid that admits air.
Compared with the prior art, the utility model discloses a filter check valve has following advantage:
the filtering one-way valve of the utility model has simple and compact structure, integrates the one-way valve and the air outlet filtering device, not only reduces the assembly steps, improves the production efficiency, is beneficial to production, but also reduces the occupation of the inner space of the oxygen generator; in addition, the air outlet of the air inlet cover is arranged on the air outlet convex part on the air inlet base body, so that oxygen flowing through can flow and can be fully purified.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is an exploded view of the filter check valve of the embodiment;
FIG. 2 is a structural combination diagram of a filtering check valve in the embodiment;
FIG. 3 is a structural combination diagram of an air intake cover in the embodiment.
Description of reference numerals:
an air inlet pipe 1; a tube body 11; a connecting cylinder portion 12; an air intake cover 2; an intake pipe body 21; an air intake base 22; a first seat cavity 23; a retainer ring 24; a gas outlet convex portion 25; a first rib 26; a first opening 27; an air outlet cover 3; a gas outlet body 31; an air outlet seat body 32; a one-way conduction structure 4; a spring 41; a plug 42; a filter element 5.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-3, a filter check valve, includes valve body, one-way conduction structure 4, filters piece 5, and the valve body has valve body air inlet, valve body gas outlet, and one-way conduction structure 4, filters piece 5 and sets up between valve body air inlet and valve body gas outlet, and one-way conduction structure 4 is used for switching on/off the route of valve body air inlet and valve body gas outlet, filters piece 5 and is used for filtering oxygen.
The valve body comprises intake pipe 1, air inlet cover 2 and play gas cap 3, and intake pipe 1 is connected with air inlet cover 2, and air inlet cover 2 is connected with play gas cap 3. Intake pipe 1, the lid 2 and go out the lid 3 and all have air inlet and gas outlet, and the air inlet of intake pipe 1 is as the valve body air inlet, goes out the gas outlet of lid 3 as the valve body gas outlet: the air inlet of the air inlet pipe 1 is connected with an oxygen production pipeline of the oxygen generator, the air outlet of the air inlet pipe 1 is connected with the air inlet of the air inlet cover 2, the air outlet of the air inlet cover 2 is communicated with the air inlet of the air outlet cover 3, and the air outlet of the air outlet cover 3 is connected with an oxygen discharge pipeline of the oxygen generator.
The one-way conduction structure 4 is arranged between the air outlet of the air inlet pipe 1 and the air inlet of the air inlet cover 2, and the filtering piece 5 is arranged between the air outlet of the air inlet cover 2 and the air inlet of the air outlet cover 3.
The one-way conduction structure 4 comprises a spring 41 and a plug 42, one end of the spring 41 is abutted against the air inlet cover 2, the other end of the spring 41 is connected with one end of the plug 42, and the other end of the plug 42 is abutted against an air outlet of the air inlet pipe 1.
When oxygen is introduced into the air inlet of the air inlet pipe 1, the pressure of the oxygen exerts pressure on the plug 42, and when the pressure of the oxygen is greater than the elastic force of the spring 41, the oxygen can push the plug 42 and compress the spring 41, so that the air outlet of the air inlet pipe 1 is opened, and the oxygen flows to the air inlet of the air inlet cover 2. When gas flows into the valve body from the gas outlet of the gas outlet cover 3, the pressure of the gas exerts pressure on the plug 42, so that the plug 42 seals the gas outlet of the gas inlet pipe 1, and the gas flowing in the reverse direction is cut off.
The filtering piece 5 is made of filtering paper and HEPA paper meeting the grade, and the quality of the oxygen after being filtered can be improved.
The intake pipe 1 includes a pipe body 11, a connection cylinder portion 12, an air inlet of the intake pipe 1 is provided at one end of the intake pipe 1, an air outlet of the intake pipe 1 is provided at the other end of the intake pipe 1, and the connection cylinder portion 12 is provided at an end portion of the pipe body 11 close to the air outlet of the intake pipe 1.
Referring to fig. 3, the air inlet cover 2 includes an air inlet pipe body 21 and an air inlet seat body 22, the air inlet pipe body 21 is disposed on one side of the air inlet seat body 22, and the air inlet of the air inlet cover 2 is disposed on the end portion of the air inlet pipe body 21 far away from the air inlet seat body 22; the other side of the air inlet seat body 22 is provided with a first seat cavity 23, a baffle ring 24 and an air outlet convex part 25 positioned in the baffle ring 24 are arranged in the first seat cavity 23, the air outlet of the air inlet cover 2 is composed of a plurality of first open holes 27, and the open holes 27 are distributed on the side part of the air outlet convex part 25. In addition, a first rib 26 in an annular array is arranged in the first seat cavity 23, one end of the first rib 26 extends to the air outlet of the air inlet cover 2, and the other end of the first rib 26 extends to the baffle ring 24, so that oxygen flowing through can be dispersed and flowed.
The air outlet cover 3 comprises an air outlet pipe body 31 and an air outlet seat body 32, the air outlet pipe body 31 is arranged on one side of the air outlet seat body 32, an air outlet of the air outlet cover 3 is arranged on the end part of the air outlet pipe body 31 far away from the air outlet seat body 32, and an air inlet of the air outlet cover 3 is arranged at the joint of the air outlet pipe body 31 and the air outlet seat body 32; the other side of the air outlet seat body 32 is provided with a second seat cavity.
The pipe body 11 is connected to an oxygen generation pipeline, the gas inlet pipe body 21 is inserted into the connecting cylinder 12 and connected to the connecting cylinder 12, the gas inlet seat body 22 is connected to the gas outlet seat body 32, and the gas outlet pipe body 31 is connected to an oxygen discharge pipeline. The connecting cylinder 12 is fixedly connected to the air inlet pipe 21, the air inlet seat 22 and the air outlet seat 32 by ultrasonic welding.
The one-way conduction structure 4 is arranged in the air inlet pipe body 21, and one end of the spring 41 is abutted against the inner bottom wall of the air outlet convex part 25. The filtering piece 5 is pressed in the second seat cavity by the baffle ring 24, and the contact area of oxygen and the filtering piece 5 is increased by the matching of the baffle ring 24, the air outlet convex part 25 and the first rib 26, so that the purification efficiency of the oxygen is improved.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a filter check valve, its characterized in that includes valve body, one-way conduction structure, filters piece, the valve body is equipped with valve body air inlet, valve body gas outlet, one-way conduction structure, filter the piece setting between valve body air inlet and valve body gas outlet, one-way conduction structure is used for switching on/off the passageway between valve body air inlet and the valve body gas outlet, filter the piece and be used for purifying oxygen.
2. The filtering check valve of claim 1, wherein the valve body comprises an inlet pipe, an inlet cover and an outlet cover, the inlet pipe, the inlet cover and the outlet cover each having an inlet and an outlet, the outlet of the inlet pipe being connected to the inlet of the inlet cover, the outlet of the inlet cover being in communication with the inlet of the outlet cover, the one-way conducting structure being disposed between the outlet of the inlet pipe and the inlet of the inlet cover, and the filter member being disposed between the outlet of the inlet cover and the inlet of the outlet cover.
3. The filtering check valve as claimed in claim 2, wherein the one-way conduction structure comprises a spring and a plug, one end of the spring abuts against the air inlet cover, the other end of the spring is connected with one end of the plug, and the other end of the plug abuts against the air outlet of the air inlet pipe.
4. The filtering check valve of claim 2, wherein said filter is filter paper.
5. The filtering check valve as recited in any one of claims 2 to 4, wherein the intake pipe comprises a pipe body, a connection cylinder portion, the intake port of the intake pipe being provided at one end of the intake pipe, the outlet port of the intake pipe being provided at the other end of the intake pipe, and the connection cylinder portion being provided at an end portion of the pipe body near the outlet port of the intake pipe.
6. The filtering check valve as recited in any one of claims 2 to 4, wherein the air inlet cap comprises an air inlet pipe body and an air inlet seat body, the air inlet pipe body is disposed on one side of the air inlet seat body, the air inlet of the air inlet cap is disposed on an end portion of the air inlet pipe body far away from the air inlet seat body, and the air outlet of the air inlet cap is disposed on the air inlet seat body.
7. The filtering check valve of any one of claims 2-4, wherein the air outlet cover comprises an air outlet pipe body and an air outlet seat body, the air outlet pipe body is disposed on one side of the air outlet seat body, the air outlet of the air outlet cover is disposed on the end portion of the air outlet pipe body far away from the air outlet seat body, and the air inlet of the air outlet cover is disposed on the air outlet seat body.
8. The filtering check valve of claim 6, wherein the air inlet seat body is provided with a first seat cavity, an air outlet convex part and a first rib are arranged in the first seat cavity, the air outlet of the air inlet cover is arranged on the side part of the air outlet convex part, and the first rib extends to the air outlet of the air inlet cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961840.5U CN212745177U (en) | 2020-05-28 | 2020-05-28 | Filtering one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961840.5U CN212745177U (en) | 2020-05-28 | 2020-05-28 | Filtering one-way valve |
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| Publication Number | Publication Date |
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| CN212745177U true CN212745177U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020961840.5U Active CN212745177U (en) | 2020-05-28 | 2020-05-28 | Filtering one-way valve |
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| CN (1) | CN212745177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999743A (en) * | 2021-03-22 | 2021-06-22 | 四川省分析测试服务中心 | High-pressure filter valve |
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2020
- 2020-05-28 CN CN202020961840.5U patent/CN212745177U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999743A (en) * | 2021-03-22 | 2021-06-22 | 四川省分析测试服务中心 | High-pressure filter valve |
| CN112999743B (en) * | 2021-03-22 | 2022-08-23 | 四川省分析测试服务中心 | High-pressure filter valve |
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