CN213965577U - One-way valve filter - Google Patents
One-way valve filter Download PDFInfo
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- CN213965577U CN213965577U CN202022259825.9U CN202022259825U CN213965577U CN 213965577 U CN213965577 U CN 213965577U CN 202022259825 U CN202022259825 U CN 202022259825U CN 213965577 U CN213965577 U CN 213965577U
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- valve body
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- air outlet
- plug
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Abstract
The utility model discloses a check valve filter, it includes: the valve body is provided with an air inlet and an air outlet; a filter element and a one-way valve are sequentially arranged in a fluid channel in the valve body from the air inlet to the air outlet; one end of the filter element is connected with a plug, the plug is connected to the valve body and plugs the filter element on a fluid channel in the valve body, the check valve is plugged on an air outlet channel, the check valve comprises a valve core and a spring arranged on the valve core, one end of the spring at least extends out of the valve core, an outlet connector is arranged in the valve body at the air outlet in the air outlet channel, the front end of the outlet connector is provided with a groove, and the spring is abutted against the groove. The utility model discloses with filter and check valve integration in an organic whole, simple structure, cleanness and the renew cartridge that can be convenient can be at the in-process renew cartridge of gas transmission even.
Description
Technical Field
The utility model relates to a filter equipment especially involves one kind and is applied to and carries out filterable check valve filter to hydrogen among the hydrogen supply system pipeline.
Background
Hydrogen is the cleanest fuel in the world, and the combustion product of hydrogen is water, and does not produce any pollution to the environment, so the market demand of hydrogen energy automobile in the new energy automobile is great, and in order to protect the hydrogen fuel cell stack in the hydrogen supply system of the hydrogen energy automobile, the hydrogen entering the hydrogen fuel cell stack is generally required to be filtered, and the impurities are filtered, so that the service life of the hydrogen fuel cell stack is prolonged.
At present, gas in a hydrogen energy automobile hydrogen supply system is filtered usually during hydrogen injection and hydrogen supply, namely a filter is arranged in a pipeline between a hydrogen cylinder and a hydrogen fuel cell stack to filter hydrogen in the pipeline, however, the existing filter only has a filtering function, and the gas can not be effectively prevented from flowing back through a fluid channel during filtering; meanwhile, the elements in the filter are not easy to replace after being damaged, and the elements are discarded to cause resource waste.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a check valve filter, the integration has the check valve, and the filter core of filter can be changed simultaneously, and easy maintenance is swift.
In order to achieve the above object, the present invention provides a check valve filter, which includes:
the valve body is provided with an air inlet and an air outlet;
a filter element and a one-way valve are sequentially arranged on a fluid channel in the valve body from the air inlet to the air outlet;
one end of the filter element is connected with a plug, the plug is connected to the valve body and plugs the filter element on a fluid channel in the valve body.
As a further improvement, the valve body is internally provided with an air inlet channel communicated to the air inlet and an air outlet channel communicated to the air outlet, and the air inlet channel and the air outlet channel are arranged vertically.
As a further improvement, the check valve is plugged on the air outlet channel, is in a normally open state and comprises a valve core and a spring arranged on the valve core, wherein one end of the spring is limited on the valve core, and the other end of the spring at least extends out of the valve core; when the valve core is pressed to move along the axis of the one-way valve during filtering, the spring is compressed at the same time, the valve core is moved away from the air outlet channel, when the spring retracts along the axis of the one-way valve, the spring pushes the valve core to move until the valve core is blocked on the air outlet channel, and the air outlet channel is closed.
As a further improvement, the front end of the valve core is provided with a pressure ring, and a sealing ring is arranged between the pressure ring and the valve body.
As a further improvement, an outlet connector is connected outside the valve body at the one-way valve, an air outlet in the outlet connector is communicated with the air outlet channel, a groove is formed in the front end of the outlet connector, and the spring is abutted to the groove.
As a further improvement, a butterfly spring is arranged between the filter element and the plug at one end, and the butterfly spring enables the filter element to be abutted against a fluid channel in the valve body.
As a further improvement, the plug is detachably connected to the valve body, and elements such as the filter element and the like can be quickly cleaned and replaced by detaching the plug.
The utility model discloses with filter and check valve integration in an organic whole, simple structure can prevent the backward flow of hydrogen, cleanness and renew cartridge that can be convenient, can be at the in-process renew cartridge of notes hydrogen even.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-valve body, 2-valve core, 3-spring, 4-outlet connector, 5-filter core, 6-plug, 7-belleville spring, 8-O-shaped ring, 9-sealing retainer ring, 10-air inlet, 11-air outlet, 12-air outlet channel, 13-air inlet channel, 21-press ring, 50-opening end, 51-connecting end, 52-filter hole, 53-filter cavity and 60-limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the case of conflict, the embodiments and features of the embodiments of the present invention can be arbitrarily combined with each other.
It should be noted that the terms "front end", "rear end" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated components or parts must have a specific orientation and be configured in a specific orientation, and therefore, the present invention should not be construed as being limited to the present invention, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation.
A one-way valve filter as shown in fig. 1, comprising: a valve body having an air inlet 10 and an air outlet 11; along the air inlet 10 to the air outlet 11, a filter element 5 and a one-way valve are sequentially arranged on a fluid channel in the valve body 1;
one end of the filter element 5 is connected with a plug 6, the plug 6 is connected to the valve body 1, and the filter element 5 is plugged on the fluid channel in the valve body 1.
As a further improvement, the valve body 1 has an inlet channel 13 communicated to the inlet 10 and an outlet channel 12 communicated to the outlet 11, and the inlet channel 13 is arranged perpendicular to the axis of the outlet channel 12.
As an embodiment, the filter element 5 is installed in a filter cavity 53 in the valve body 1, filter holes 52 are distributed on the surface of the filter cavity 53, the filter cavity 53 is communicated with the air inlet channel 13 and the air outlet channel 12, and the filter element 5 is blocked on the air inlet channel 13 or the air outlet channel 12.
In an embodiment, one end of the filter element 5 is an open end 50 with a hollow structure, and the other end of the filter element is a connecting end 51, the connecting end 51 extends into a limiting groove 60 at the front end of the plug 6, and the open end abuts against the air outlet channel 12.
As an embodiment, the filter element 5 may also be disposed in a groove at an opening end of a limiting member, a filter hole 52 communicating with the air inlet channel 13 and the air outlet channel 12 is opened on a side wall of the groove, a connection end 51 is provided at a tail end of the limiting member, the connection end 51 extends into a limiting groove 60 at a front end of the plug 6, and the opening end abuts against the air outlet channel 12. This embodiment is a modification or equivalent of the construction of the filter cartridge 5 of the above-described embodiment.
As an embodiment, the plug is connected to the valve body through threads, and elements such as the filter element can be quickly cleaned and replaced by disassembling the plug.
In an embodiment, a belleville spring 7 is disposed between the filter element 5 and the plug 6 at one end, the belleville spring 7 is sleeved on the connecting end 51, and the belleville spring 7 abuts the filter element 5 against a fluid channel in the valve body 1 to prevent the filter element 5 from moving or shaking under the action of air flow.
Through the limit of the belleville spring 7 and the connecting end 51, the filter element 5 can be prevented from shifting during filtering, and gas in the gas inlet channel is prevented from directly entering the gas outlet channel.
In an embodiment, at least one O-ring and/or a sealing ring is disposed between the portion of the plug 6 inside the valve body 1 and the valve body 1.
As an embodiment, the check valve is plugged on the air outlet channel 12, the check valve is in a normally open state, and includes a valve element 2 and a spring 3 arranged on the valve element 2, one end of the spring 3 is limited on the valve element 2, the other end of the spring is abutted to a valve seat, the valve seat is in a hollow structure, a fluid channel communicated with the air outlet channel is arranged in the valve seat, the front end of the valve element 2 is matched with the air outlet channel 12, and when the valve element 2 is plugged on the air outlet channel 12, the air outlet channel 12 is closed.
As an embodiment, one end of the spring 3 may be sleeved and limited on the valve core 2, or may be placed in a groove at one end of the valve core 2, and which form is specifically adopted may be changed as required.
As a further improvement, a press ring 21 is sleeved at the front end of the valve core 2, and an O-ring 8 is arranged between the press ring 21 and the valve body 1.
As a further improvement, an outlet joint 4 is arranged outside the valve body 1 at the position of the one-way valve, the outlet joint 4 is provided with an air outlet 11 and communicated with the outlet channel 12, the front end of the outlet joint 4 is provided with a groove, and the spring 3 is abutted in the groove.
In an embodiment, the tip of the outlet joint 4 abuts against the pressure ring 21 to limit the pressure ring 21.
By way of example, an O-ring 8 and/or a sealing collar 9 are arranged at the connection of the outlet connection 4 with the valve body.
In an embodiment, the outlet connector 4 is screwed to the valve body 1, and the fittings of the check valve can be quickly replaced by removing the outlet connector 4.
As an embodiment, the present invention is installed in a pipeline of a hydrogen supply system when in use, and connects the air inlet 10 with a gas output end.
During filtering, gas enters the filter cavity 53 through the gas inlet 10 and flows through the gas inlet channel 13, the gas filtered by the filter element 5 flows into the gas outlet channel 12, pressure is applied to the valve core 2, the valve core 2 is moved away from the gas outlet channel 12 after being pressed, and the gas flows out through the gas outlet 11.
The utility model discloses with filter and check valve integration in an organic whole, simple structure can prevent the backward flow of hydrogen, cleanness and renew cartridge that can be convenient, can be at the in-process renew cartridge of notes hydrogen even.
The utility model discloses in filter core structure and check valve structure can also have the deformation of other forms, nevertheless as long as the function or the design concept that its realized with the utility model discloses the same, can regard as the embodiment of the utility model discloses an it is no longer right concrete embodiment of filter core structure and check valve structure exemplifies.
The above description is only of the preferred embodiments of the present invention, but other variations and modifications may occur to those embodiments once they learn of the basic idea. Therefore, the equivalent replacement and modification made by the person skilled in the art on the basis of the present invention are all covered by the scope of the claims of the present invention.
Claims (10)
1. A one-way valve filter, comprising: the valve body is provided with an air inlet and an air outlet;
the valve is characterized in that a filter element and a one-way valve are sequentially arranged in a fluid passage in the valve body from the air inlet to the air outlet;
one end of the filter element is connected with a plug, the plug is connected to the valve body and plugs the filter element on a fluid channel in the valve body.
2. The check valve filter of claim 1, wherein the valve body has an inlet channel connected to the inlet port and an outlet channel connected to the outlet port, the inlet channel being disposed perpendicular to an axis of the outlet channel.
3. The check valve filter according to claim 2, wherein the check valve is disposed on the air outlet channel, the check valve is in a normally open state, and comprises a valve core and a spring disposed on the valve core, one end of the spring is limited on the valve core, and the other end of the spring at least extends beyond the valve core.
4. The one-way valve filter according to claim 3, wherein a pressure ring is arranged at the front end of the valve core, and a sealing ring is arranged between the pressure ring and the valve body.
5. The one-way valve filter of claim 2, wherein an outlet connector is connected to the outside of the valve body of the one-way valve, a groove is formed in the front end of the outlet connector, and one end of the one-way valve is arranged in the groove.
6. A one-way valve filter according to claim 5, wherein said outlet fitting is removably attached to said valve body.
7. A one-way valve filter according to claim 6, wherein an O-ring and/or a sealing gasket is arranged between the outlet connection and the valve body.
8. A check valve filter according to any of claims 1 to 7, wherein a belleville spring is provided between the filter element and a plug at one end, the belleville spring urging the filter element against the fluid passage in the valve body.
9. The check valve filter of claim 8, wherein the plug is removably attached to the valve body.
10. The one-way valve filter of claim 8, wherein an O-ring and/or a sealing washer is disposed between the plug and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022259825.9U CN213965577U (en) | 2020-10-12 | 2020-10-12 | One-way valve filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022259825.9U CN213965577U (en) | 2020-10-12 | 2020-10-12 | One-way valve filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213965577U true CN213965577U (en) | 2021-08-17 |
Family
ID=77256013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022259825.9U Active CN213965577U (en) | 2020-10-12 | 2020-10-12 | One-way valve filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213965577U (en) |
-
2020
- 2020-10-12 CN CN202022259825.9U patent/CN213965577U/en active Active
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