CN213685406U - Valve body with one-way and filtering capability - Google Patents
Valve body with one-way and filtering capability Download PDFInfo
- Publication number
- CN213685406U CN213685406U CN202022532253.7U CN202022532253U CN213685406U CN 213685406 U CN213685406 U CN 213685406U CN 202022532253 U CN202022532253 U CN 202022532253U CN 213685406 U CN213685406 U CN 213685406U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- filter
- way
- filtering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a valve body with one-way and filtering functions, which comprises a one-way valve body and a filtering valve body which are fixedly connected; the filtering valve body comprises a filtering valve main body provided with a flow channel and a filter element arranged on the flow channel; the one-way valve body comprises a one-way valve main body, a valve seat arranged in the one-way valve main body, a one-way valve core in sealing fit with the valve seat, and a first compression spring abutted between the one-way valve core and the filtering valve body. The valve body can simultaneously realize two functions of one-way and filtering, reduces the connecting points of pipelines, reduces the possibility of pipeline leakage and reduces the arrangement space.
Description
Technical Field
The utility model relates to a hydrogen can utilize technical field, concretely relates to valve body with one-way and filtering capability.
Background
With the strong popularization of fuel cells and hydrogen energy in China, hydrogen fuel cell vehicles have been developed greatly. The hydrogen energy has the advantages of high energy, no toxicity, good combustibility and the like, so the hydrogen energy is used as efficient, clean and sustainable 'carbon-free' energy, and has a very good prospect in developing hydrogen energy economy.
The vehicle-mounted hydrogen supply system provides a hydrogen source for the fuel cell. In order to ensure safe, reliable and stable operation of a fuel cell vehicle, a fuel cell engine has strict requirements on the quality of hydrogen supply. Because the hydrogen quality of each hydrogenation station and hydrogenation equipment is different, the on-vehicle hydrogen supply system needs to increase corresponding filtration valve member according to different demands in the supply of hydrogen, and the purity of hydrogen is ensured. Furthermore, check valves are often required to ensure unidirectionality of gas flow in terms of filling of hydrogen gas and arrangement of the hydrogen supply lines.
In view of the fact that in current on-board hydrogen systems, filters and check valves are often used simultaneously in the hydrogen circuit, the number of connections of the circuit in the hydrogen circuit is increased, the possibility of leakage of the circuit is increased, and the space for arrangement is increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a valve body with one-way and filtering capability can realize one-way and filter two kinds of functions simultaneously, has reduced the tie point of pipeline, has both reduced the possibility that the pipeline leaked, has reduced the space of arranging again.
The utility model adopts the following specific technical proposal:
a valve body with one-way and filtering functions comprises a one-way valve body and a filtering valve body which are fixedly connected;
the filtering valve body comprises a filtering valve main body provided with a flow channel and a filter element arranged on the flow channel;
the one-way valve body comprises a one-way valve main body, a valve seat arranged in the one-way valve main body, a one-way valve core in sealing fit with the valve seat, and a first compression spring abutted between the one-way valve core and the filtering valve body.
Furthermore, the filter valve body also comprises a filter element seat, a second compression spring and a nut;
the filter valve main body is of a three-way structure and is provided with an inlet, an outlet and a filter element mounting opening; the flow channel is formed between the inlet and the outlet; the filter element mounting port is communicated with the flow channel;
the nut is in threaded connection with the filter valve main body, and the filter element seat is in press connection with the filter valve main body at one end of the filter element mounting opening;
the second compression spring is abutted between the filter element seat and the filter element.
Furthermore, the check valve core comprises a stop block and a sealing element fixedly arranged on the stop block, and the sealing element is positioned between the stop block and the valve seat.
Furthermore, the check block is provided with a positioning groove on one side surface facing the valve seat, and the sealing element is a rubber sealing ring embedded in the positioning groove.
Furthermore, the stop block is provided with an annular boss on one side surface facing the first compression spring, and the end part of the first compression spring is limited in the annular boss.
Further, the sealing element is a hydrogenated nitrile rubber sealing ring.
Furthermore, a rubber sealing gasket is arranged between one end of the filter element and the filter valve main body.
Furthermore, an O-shaped sealing ring is arranged on a sealing surface between the filter valve main body and the one-way valve main body, and a sealing groove matched with the O-shaped sealing ring is arranged on the filter valve main body.
Furthermore, the O-shaped sealing ring is an ethylene propylene diene monomer sealing ring.
Further, the check valve body is in threaded connection with the inlet end of the filter valve body;
and one end of the check valve main body, which is far away from the filter valve main body, and the outlet end of the filter valve main body are both in threaded connection with a clamping sleeve joint.
Has the advantages that:
the utility model discloses a valve body includes fixed connection's check valve body and filters the valve body, is provided with the check valve core of control fluid one-way flow in the check valve body to be provided with the filter core of filtering usefulness in filtering the valve body, consequently, the utility model discloses a valve body unites two into one check valve and filtering valve, has possessed the function of check valve and filtering valve simultaneously, has reduced the tie point of connecting tube way and pipeline, has reduced the probability that the pipeline was revealed, thereby has reduced the possibility that the pipeline leaked, has still reduced simultaneously and has arranged the required space of valve body.
Drawings
Fig. 1 is a schematic perspective view of a valve body according to the present invention;
FIG. 2 is a schematic cross-sectional view of the valve body of FIG. 1;
FIG. 3 is an exploded view of the valve body of FIG. 1;
FIG. 4 is a schematic perspective view of a side of the stop block of FIG. 3;
fig. 5 is a schematic perspective view of the other side of the stopper in fig. 3.
Wherein, 1-one-way valve body, 2-filtering valve body, 3-ferrule joint, 11-one-way valve body, 12-stop dog, 13-first compression spring, 21-filtering valve body, 22-filter core, 23-filter core seat, 24-second compression spring, 25-nut, 26-O type sealing ring, 31-rubber sealing ring, 32-annular boss
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
As shown in the structure of fig. 1, fig. 2 and fig. 3, the present invention provides a valve body with one-way and filtering functions, which comprises a one-way valve body 1 and a filtering valve body 2 which are fixedly connected; as shown in the structure of fig. 2 and 3, the one-way valve body 1 has two opposite ends, one of which is connected with the pipeline and the other of which is connected with the filtering valve body 2; the one-way valve body 1 is connected with the filtering valve body 2 through threads, an external thread or an internal thread is arranged on the one-way valve body 1, and correspondingly, an internal thread or an external thread which is in threaded fit with the one-way valve body 1 is arranged on the filtering valve body 2; the one-way valve body 1 and the filtering valve body 2 can be fixedly connected through fasteners such as screws, bolts, rivets and the like;
the filtering valve body 2 comprises a filtering valve main body 21 provided with a flow passage and a filter element 22 arranged on the flow passage; as shown in the structure of fig. 2, the filter valve body 21 may be a three-way structure, and is provided with an inlet, an outlet and a filter element installation opening; the inlet end is fixedly connected with the one-way valve body 1; forming a flow channel between the inlet and the outlet; the filter element mounting port is communicated with the flow channel; the filter element 22 is arranged in the flow passage and filters the hydrogen flowing through the filtering valve body 2;
the check valve body 1 comprises a check valve body 11, a valve seat arranged in the check valve body 11, a check valve core in sealing fit with the valve seat, and a first compression spring 13 abutted between the check valve core and the filter valve body 2. As shown in the structure of fig. 2, an installation space of the check valve element is formed between the check valve body 1 and the filtering valve body 2, the first compression spring 13 is abutted between the check valve element and the filtering valve body 2, the check valve body 1 always has a tendency of moving towards a valve seat by the elastic force of the first compression spring 13, and when the pressure of hydrogen flowing through the check valve body 1 is greater than the elastic force of the first compression spring 13, the check valve body 1 is in an open state; when the pressure of the hydrogen gas flowing through the check valve body 1 is less than the elastic force of the first compression spring 13, the check valve body 1 is in a closed state.
The valve body comprises a one-way valve body 1 and a filtering valve body 2 which are fixedly connected into a whole, a one-way valve core for controlling the one-way flow of fluid is arranged in the one-way valve body 1, and the one-way flow function of the fluid is realized through the one-way valve body 1; a filter element 22 for filtering is arranged in the filtering valve body 2, and the fluid flowing through the filtering valve body 2 can be purified and filtered through the filter element 22, so that the filtering function of the valve body is realized; the check valve and the filter valve are combined into one, so that the functions of the check valve and the filter valve are achieved, pipelines for connecting the check valve body 1 and the filter valve body 2 are reduced, connecting pipelines are reduced, connecting points of the pipelines are reduced, the probability of pipeline leakage is reduced, the possibility of pipeline leakage is reduced, and the space required by the arrangement of the valve body is reduced.
As shown in the structure of fig. 2 and 3, the filter valve body 2 further comprises a filter element seat 23, a second compression spring 24 and a nut 25; the filter valve main body 21 is of a three-way structure and is provided with an inlet, an outlet and a filter element mounting opening; a flow channel is formed between the inlet and the outlet; the filter element mounting port is communicated with the flow channel; the nut 25 is screwed on the filter valve main body 21, and the filter element seat 23 is pressed on the filter valve main body 21 which is arranged at one end of the filter element mounting opening; the second compression spring 24 abuts between the cartridge seat 23 and the cartridge 22.
An installation space of the filter element 22 is arranged in a flow channel of the filter valve body 2, a three-way structure is adopted, a filter element installation opening communicated with the flow channel is arranged in the middle of the filter valve body 2, the filter element 22 can be conveniently installed and replaced through the filter element installation opening, a nut 25 is connected to the filter valve body 2 at one end of the filter element installation opening in a threaded mode, the filter element seat 23 is connected with the filter valve body 21 through the nut 25 in a threaded mode, the filter element seat 23 is pressed at one end portion of the filter element installation opening of the filter valve body 21, meanwhile, a second compression spring 24 is arranged between the filter element 22 and the filter element seat 23, the filter element 22 is tightly pressed and installed in the flow channel through the elasticity of the second compression spring 24, and the fluid can achieve a filtering function in the process; the filter element seat 23 and the nut 25 can be limited by a stepped surface, so that the filter element seat 23 and the filter valve main body 21 are tightly connected together through the nut 25.
As shown in the structure of fig. 2 and 3, the check valve core comprises a stop 12 and a sealing member fixedly mounted on the stop 12, wherein the sealing member is positioned between the stop 12 and the valve seat. The sealing effect of the check valve body 1 can be improved through the sealing element, and the sealing performance of the check valve body 1 in a closed state is guaranteed.
As shown in the structure of fig. 4, the stopper 12 is provided with a positioning groove (not shown in the figure) on a side surface facing the valve seat, the sealing member is a rubber sealing ring 31 embedded in the positioning groove, and the sealing member may be a hydrogenated nitrile rubber sealing ring 31. The rubber seal ring 31 can be positioned by the positioning groove arranged on one side of the check block 12, and the check block 12 and the check valve main body 11 are in sealing fit under the action of the first compression spring 13 when the check valve body 1 is not used.
As shown in the structure of fig. 5, the stopper 12 is provided with an annular boss 32 on a side surface facing the first compression spring 13, and an end of the first compression spring 13 is limited in the annular boss 32. Through the annular boss 32 provided at the other side surface of the stopper 12, a recess is formed between the annular bosses 32 at the other side surface of the stopper 12, and when the end of the first compression spring 13 is installed in the space between the annular bosses 32, the first compression spring 13 can be fixed and positioned, thereby ensuring the operational stability and reliability of the check valve body 1.
In order to further enhance the filtering effect of the filtering valve body 2, a rubber gasket (not shown) is disposed between one end of the filter element 22 and the filtering valve body 21. Through the hydrogenated nitrile rubber gasket arranged at the top of the filter element 22, the sealing effect between the filter element 22 and the filter valve main body 21 can be realized under the action of the filter element seat 23 and the nut 25.
As shown in fig. 2 and 3, an O-ring 26 is provided on the sealing surface between the filter valve body 21 and the check valve body 11, and a sealing groove fitted with the O-ring 26 is provided on the filter valve body 21; the O-ring 26 may be an epdm rubber seal 31. The sealing effect between the check valve body 11 and the filter valve body 21 can be improved by adding the O-ring 26 at the junction of the check valve body 11 and the filter valve body 21 and the sealing groove for accommodating the O-ring 26.
As shown in the structure of fig. 2, the check valve body 1 is in threaded connection with the inlet end of the filter valve body 2; the clamping sleeve joint 3 is in threaded connection with one end of the check valve body 11 far away from the filter valve body 21 and the outlet end of the filter valve body 21. The clamping sleeve joint 3 connected to the one-way valve body 11 and the clamping sleeve joint 3 connected to the filter valve body 21 facilitate the matching installation of the valve body and pipelines such as stainless steel pipes.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A valve body with one-way and filtering functions is characterized by comprising a one-way valve body and a filtering valve body which are fixedly connected;
the filtering valve body comprises a filtering valve main body provided with a flow channel and a filter element arranged on the flow channel;
the one-way valve body comprises a one-way valve main body, a valve seat arranged in the one-way valve main body, a one-way valve core in sealing fit with the valve seat, and a first compression spring abutted between the one-way valve core and the filtering valve body.
2. The valve body of claim 1, wherein the filter valve body further comprises a cartridge seat, a second compression spring, and a nut;
the filter valve main body is of a three-way structure and is provided with an inlet, an outlet and a filter element mounting opening; the flow channel is formed between the inlet and the outlet; the filter element mounting port is communicated with the flow channel;
the nut is in threaded connection with the filter valve main body, and the filter element seat is in press connection with the filter valve main body at one end of the filter element mounting opening;
the second compression spring is abutted between the filter element seat and the filter element.
3. The valve body of claim 2, wherein the check valve cartridge includes a stop and a seal fixedly mounted to the stop, the seal being positioned between the stop and the valve seat.
4. The valve body as claimed in claim 3, wherein the stopper is provided with a positioning groove at a side surface facing the valve seat, and the sealing member is a rubber packing embedded in the positioning groove.
5. Valve body according to claim 4, wherein the stop is provided with an annular projection on a side surface facing the first compression spring, the end of the first compression spring being retained in the annular projection.
6. The valve body of claim 5, wherein said seal is a hydrogenated nitrile rubber seal.
7. The valve body of claim 2, wherein a rubber gasket is disposed between one end of the filter cartridge and the filter valve body.
8. Valve body according to any of claims 1-7, characterized in that an O-ring is arranged on the sealing surface between the filter valve body and the non-return valve body, and that a sealing groove cooperating with the O-ring is arranged on the filter valve body.
9. The valve body of claim 8, wherein the O-ring seal is an ethylene propylene diene monomer seal.
10. The valve body of claim 8, wherein said check valve body is threadably connected to an inlet end of said filter valve body;
and one end of the check valve main body, which is far away from the filter valve main body, and the outlet end of the filter valve main body are both in threaded connection with a clamping sleeve joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532253.7U CN213685406U (en) | 2020-11-05 | 2020-11-05 | Valve body with one-way and filtering capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532253.7U CN213685406U (en) | 2020-11-05 | 2020-11-05 | Valve body with one-way and filtering capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213685406U true CN213685406U (en) | 2021-07-13 |
Family
ID=76728483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022532253.7U Active CN213685406U (en) | 2020-11-05 | 2020-11-05 | Valve body with one-way and filtering capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213685406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958552A (en) * | 2021-12-20 | 2022-01-21 | 常州恒立气动科技有限公司 | Bidirectional control structure for valve body, mounting method and switch control valve |
-
2020
- 2020-11-05 CN CN202022532253.7U patent/CN213685406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958552A (en) * | 2021-12-20 | 2022-01-21 | 常州恒立气动科技有限公司 | Bidirectional control structure for valve body, mounting method and switch control valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SK278962B6 (en) | The check valve | |
| CN213685406U (en) | Valve body with one-way and filtering capability | |
| CN209054224U (en) | A kind of current-limiting apparatus of hydraulic quick coupling | |
| CN204628660U (en) | A kind of one-way valve | |
| CN216555528U (en) | One-way filtering device for hydrogenation equipment | |
| CN212148444U (en) | Hydrogen storage container assembly and fuel cell vehicle | |
| CN213026210U (en) | Multifunctional combined valve of vehicle-mounted hydrogen system | |
| CN211059807U (en) | Hydrogen storage container, hydrogen storage container assembly and fuel cell vehicle | |
| CN113757468A (en) | Coolant liquid pipe leak protection connects and new energy automobile | |
| CN209705354U (en) | A kind of small-bore check-valves | |
| CN209196184U (en) | A kind of heavy caliber quick-release type aircraft refuelling system check valve | |
| CN213809304U (en) | High-pressure hydrogen combination valve | |
| CN215635172U (en) | One-way joint | |
| CN112576791A (en) | Hydrogenation port | |
| CN219263241U (en) | Ball valve special for coal powder | |
| CN220600541U (en) | Series redundancy sealing one-way valve | |
| CN218326394U (en) | Improved fluid one-way valve | |
| CN211288874U (en) | Hydrogenation port | |
| CN114294455B (en) | Pressure valve suitable for double-channel opening | |
| CN210739470U (en) | Double-alternating one-way valve | |
| CN220828294U (en) | Air rail assembly integrating one-way valve and filter | |
| CN220204773U (en) | Explosion-proof hose | |
| CN211059801U (en) | Gas confluence seat, hydrogen storage container assembly and fuel cell vehicle | |
| CN210716942U (en) | Hydrogen storage container with cylinder valve, hydrogen storage container assembly and fuel cell vehicle | |
| CN213017028U (en) | Explosion-proof valve with adjustable pressure differential |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |