CN216951845U - Bypass valve structure for filter - Google Patents
Bypass valve structure for filter Download PDFInfo
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- CN216951845U CN216951845U CN202221187421.6U CN202221187421U CN216951845U CN 216951845 U CN216951845 U CN 216951845U CN 202221187421 U CN202221187421 U CN 202221187421U CN 216951845 U CN216951845 U CN 216951845U
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- liquid passing
- passing cavity
- valve plate
- liquid
- top surface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model provides a bypass valve structure for a filter, which comprises a valve body, a valve plate and a pressure spring, wherein a cylindrical liquid passing cavity is arranged in the valve body, the valve plate is pressed on the bottom surface of the liquid passing cavity and seals a liquid inlet formed in the bottom surface, an annular liquid passing gap is reserved between the valve plate and the cylindrical side wall of the liquid passing cavity, slide blocks are uniformly distributed in the liquid passing gap, and the slide blocks are fixedly connected with the valve plate; the top surface of the valve plate is integrally provided with a guide post, the guide post penetrates through the top surface wall of the liquid passing cavity and is in sliding fit with the top surface wall, the pressure spring is movably sleeved on the guide post, and two ends of the pressure spring are respectively abutted against the top surface of the liquid passing cavity and the valve plate; a liquid outlet is arranged at the upper part of the liquid passing cavity. The position of the valve plate in the liquid passing cavity is limited through the guide column and the sliding block, so that the liquid inlet can be effectively sealed after the valve plate is repeatedly opened and closed for multiple times, and the structural strength of the valve plate is enhanced; the end cover is clamped at the upper end port of the valve body, so that the valve is convenient to produce, process and assemble.
Description
Technical Field
The utility model relates to the technical field of filtration, in particular to a bypass valve structure for a filter.
Background
In the design process of the oil filter, when the resistance of the filter element is too large and the filter element is to be replaced, a bypass valve arranged in the filter element is switched on to ensure normal oil supply of the system, so that the engine oil directly passes through the filter element without being filtered by the filter element. When traditional filter core was changed the bypass valve together with change, the bypass valve is integrated in the filter core promptly, and structural strength of this kind of bypass valve is poor, and life is poor. At present, for the consideration of energy conservation, when a filter element is replaced, the bypass valve is reserved on the oil filter for reuse, but the bypass valve in the prior art cannot meet the requirement of reuse.
SUMMERY OF THE UTILITY MODEL
Aiming at the requirements in the prior art, the utility model provides a bypass valve structure for a filter, aiming at improving the structural strength and the service life of the bypass valve and ensuring the functional stability of the bypass valve during recycling.
A bypass valve structure for a filter comprises a valve body, a valve plate and a pressure spring, wherein a cylindrical liquid passing cavity is arranged in the valve body, the valve plate is in pressure joint with the bottom surface of the liquid passing cavity and seals a liquid inlet formed in the bottom surface, an annular liquid passing gap is reserved between the valve plate and the cylindrical side wall of the liquid passing cavity, sliding blocks which are in sliding fit with the cylindrical side wall of the liquid passing cavity along the axial direction of the liquid passing cavity are uniformly distributed in the liquid passing gap, and the sliding blocks are fixedly connected with the valve plate; the top surface of the valve plate is integrally provided with a guide post which is coaxial with the liquid passing cavity, the guide post penetrates through the top surface wall of the liquid passing cavity and is in sliding fit with the top surface wall, the pressure spring is movably sleeved on the guide post, and two ends of the pressure spring are respectively abutted against the top surface of the liquid passing cavity and the valve plate; a liquid outlet is arranged at the upper part of the liquid passing cavity.
The working principle of the utility model is as follows: under normal conditions, the liquid pressure at the liquid inlet side of the bypass valve is a normal value, the spring force of the pressure spring is greater than the liquid pressure, and the valve plate closes the liquid inlet; when the pressure value of the liquid is increased and pressure relief is needed, the liquid overcomes the spring force of the pressure spring to push the valve plate and open the liquid inlet to enter the liquid passing cavity, then the liquid flows out of the liquid outlet, and meanwhile, the guide column slides upwards with the top surface wall of the valve body and the slide block slides upwards along the cylindrical side wall of the valve body, so that the pressure relief of the liquid pressure at the side of the liquid inlet of the bypass valve is carried out; when the valve plate is reset, under the spring force action of the pressure spring, the guide column slides downwards with the top surface wall of the valve body and the slide block slides downwards along the cylindrical side wall of the valve body, so that the valve plate is pressed on the bottom surface of the liquid passing cavity again and seals the liquid inlet.
For the convenience in crossing the intracavity and assemble valve block and pressure spring, further: the top surface wall of the liquid passing cavity is formed by an end cover, and the end cover is clamped on the valve body.
For end cover and valve body joint, and be convenient for processing production and assembly, further: the end cover is characterized in that an elastic ring matched with the cylindrical side wall of the liquid passing cavity is fixedly arranged at a position below the end cover, the elastic ring extends into the liquid passing cavity and is attached to the cylindrical side wall of the liquid passing cavity, clamping blocks are distributed on the outer ring of the elastic ring, the lower end face of each clamping block is an inclined plane inclined downwards, clamping grooves are formed in positions, corresponding to the clamping blocks, on the cylindrical side wall of the liquid passing cavity, and the clamping blocks are clamped in the clamping grooves. During assembly, the valve plate is placed in the liquid passing cavity and sealed on the liquid inlet, the pressure spring is sleeved on the guide post and is arranged coaxially with the guide post, the upper end of the pressure spring extends out of the upper end port of the liquid passing cavity, then the elastic ring is sleeved on the pressure spring and is downwards inserted into the upper end port of the liquid passing cavity, the inclined surface of the fixture block is contacted with the upper end port of the liquid passing cavity at the moment and enables the elastic ring to generate elastic deformation under the action of reaction force, and the fixture block slides into the clamping groove through the cylindrical side wall of the liquid passing cavity and is clamped with the clamping groove; meanwhile, the guide post penetrates through the center of the end cover, and the upper end of the pressure spring abuts against the bottom surface of the end cover.
In order to facilitate the connection between the elastic ring and the valve plate and the processing of the connection structure between the elastic ring and the valve plate, the method further comprises the following steps: and a connecting block is fixedly connected between the top surface of the elastic ring and the bottom surface of the valve plate, so that the connecting block and the elastic ring can be conveniently subjected to injection molding.
For avoiding the connecting block to influence the elastic ring and produce elastic deformation, it is further: the connecting block is located adjacent two the intermediate position of fixture block when the elastic ring that lies in fixture block department takes place elastic deformation for the elastic ring is difficult for receiving the connecting block to block and easily produces elastic deformation, in addition, still guarantees that the connecting block is difficult for deformation and damages.
In order to facilitate the processing of the liquid outlet, further: the end cover is distributed with the liquid outlets.
For the sealed effect that increases between valve block and the inlet, further: the bottom surface of the valve block is fixedly connected with a rubber pad, and the valve block is sealed on the liquid inlet through the rubber pad.
The utility model has the beneficial effects that: the position of the valve plate in the liquid passing cavity is limited by the guide column and the slide block, so that the valve plate can effectively seal the liquid inlet after being repeatedly opened and closed for multiple times, and the structural strength of the valve plate is improved; the end cover is clamped at the upper end port of the valve body, so that the valve is convenient to produce, process and assemble.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a connection structure of a valve plate, a guide post and a rubber pad according to the present invention.
In the figure, 1, a valve body; 11. a liquid passing cavity; 12. a liquid inlet; 13. a liquid outlet; 14. a card slot; 2. an end cap; 21. connecting blocks; 22. an elastic ring; 23. a clamping block; 231. a bevel; 3. a pressure spring; 4. a guide post; 5. a valve plate; 51. a slider; 6. and (7) a rubber pad.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model. The terms of orientation such as left, center, right, up, down, etc. in the examples of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
A bypass valve structure for a filter is disclosed, as shown in fig. 1 and fig. 2, and comprises a valve body 1, a valve plate 5 and a pressure spring 3, wherein a cylindrical liquid passing cavity 11 is arranged in the valve body 1, the valve plate 5 is pressed on the bottom surface of the liquid passing cavity 11 and seals a liquid inlet 12 formed in the bottom surface, an annular liquid passing gap is reserved between the valve plate 5 and the cylindrical side wall of the liquid passing cavity 11, sliding blocks 51 which are in sliding fit with the cylindrical side wall of the liquid passing cavity 11 along the axial direction of the liquid passing cavity 11 are uniformly distributed in the liquid passing gap, the sliding blocks 51 are fixedly connected with the valve plate 5, the valve plate 5 is of a disc-shaped structure, and the sliding blocks 51 are uniformly distributed on the outer circumference of the valve plate 5; as shown in fig. 3, a guide post 4 coaxially disposed with the liquid passing cavity 11 is integrally disposed on the top surface of the valve plate 5, the guide post 4 is disposed on the top surface wall of the liquid passing cavity 11 in a penetrating manner and is in sliding fit with the top surface wall, the pressure spring 3 is movably sleeved on the guide post 4, and two ends of the pressure spring are respectively abutted to the top surface of the liquid passing cavity 11 and the valve plate 5; a liquid outlet 13 is arranged at the upper part of the liquid passing cavity 11.
As shown in fig. 1 and 2, the top wall of the liquid passing cavity 11 is formed by an end cover 2, the end cover 2 is clamped on the valve body 1, and the liquid outlets 13 are distributed on the end cover 2. An elastic ring 22 matched with the cylindrical side wall of the liquid passing cavity 11 is fixedly arranged at a position below the end cover 2, the elastic ring 22 extends into the liquid passing cavity 11 and is attached to the cylindrical side wall of the liquid passing cavity 11, a clamping block 23 is distributed on the outer ring of the elastic ring 22, the lower end face of the clamping block 23 is an inclined plane 231 inclined downwards, a clamping groove 14 is formed in the cylindrical side wall of the liquid passing cavity 11 corresponding to the clamping block 23, and the clamping block 23 is clamped in the clamping groove 14. During assembly, the valve plate 5 is placed in the liquid passing cavity 11 and sealed on the liquid inlet 12, the pressure spring 3 is sleeved on the guide post 4 and is coaxially arranged with the guide post 4, the upper end of the pressure spring 3 extends out of the upper end port of the liquid passing cavity 11, then the elastic ring 22 is sleeved on the pressure spring 3 and is downwards inserted into the upper end port of the liquid passing cavity 11, at the moment, the inclined surface 231 of the fixture block 23 is contacted with the upper end port of the liquid passing cavity 11 and enables the elastic ring 22 to generate elastic deformation under the action of reaction force, and the fixture block 23 slides into the clamping groove 14 through the cylindrical side wall of the liquid passing cavity 11 and is clamped with the clamping groove 14; meanwhile, the guide post 4 penetrates through the center position of the end cover 2, and the upper end of the pressure spring 3 abuts against the bottom surface of the end cover 2. And a connecting block 21 is fixedly connected between the top surface of the elastic ring 22 and the bottom surface of the valve plate 5, so that the connecting block 21 and the elastic ring 22 can be conveniently subjected to injection molding. The connecting block 21 is located adjacent two the intermediate position of fixture block 23 when the elastic ring 22 that is located fixture block 23 department takes place elastic deformation for elastic ring 22 is difficult for blockking by connecting block 21 and easily produces elastic deformation, in addition, still guarantees that connecting block 21 is difficult for deformation and damages.
In addition, as shown in fig. 1 and 3, a rubber gasket 6 is fixedly connected to the bottom surface of the valve plate 5, and the valve plate 5 is sealed on the liquid inlet 12 through the rubber gasket 6.
The working principle of the utility model is as follows: under normal conditions, the liquid pressure at the side of the liquid inlet 12 of the bypass valve is a normal value, the spring force of the pressure spring 3 is greater than the liquid pressure, and the valve plate 5 closes the liquid inlet 12; when the pressure value of the liquid is increased and pressure relief is needed, the liquid overcomes the spring force of the pressure spring to push the valve plate 5 and open the liquid inlet 12 to enter the liquid passing cavity 11, then the liquid flows out of the liquid outlet 13, meanwhile, the guide post 4 slides upwards with the top surface wall of the valve body 1 and the slide block 51 slides upwards along the cylindrical side wall of the valve body 1, and therefore the pressure of the liquid at the side of the liquid inlet 12 of the bypass valve is relieved; when the valve plate 5 is reset, under the spring force of the pressure spring 3, the guide post 4 slides downwards along the top surface wall of the valve body 1 and the slide block 51 slides downwards along the cylindrical side wall of the valve body 1, so that the valve plate 5 is pressed on the bottom surface of the liquid passing cavity 11 again and closes the liquid inlet 12.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a bypass valve structure for filter, includes valve body, valve block and pressure spring, its characterized in that: a cylindrical liquid passing cavity is arranged in the valve body, the valve plate is in pressure joint with the bottom surface of the liquid passing cavity and seals the liquid inlet formed in the bottom surface, an annular liquid passing gap is reserved between the valve plate and the cylindrical side wall of the liquid passing cavity, sliding blocks which are in sliding fit with the cylindrical side wall of the liquid passing cavity along the axial direction of the liquid passing cavity are uniformly distributed in the liquid passing gap, and the sliding blocks are fixedly connected with the valve plate; the top surface of the valve plate is integrally provided with a guide post which is coaxial with the liquid passing cavity, the guide post penetrates through the top surface wall of the liquid passing cavity and is in sliding fit with the top surface wall, the pressure spring is movably sleeved on the guide post, and two ends of the pressure spring are respectively abutted against the top surface of the liquid passing cavity and the valve plate; a liquid outlet is arranged at the upper part of the liquid passing cavity.
2. A bypass valve structure for a filter according to claim 1, wherein: the top surface wall of the liquid passing cavity is formed by an end cover, and the end cover is clamped on the valve body.
3. A bypass valve structure for a filter according to claim 2, wherein: the end cover is characterized in that an elastic ring matched with the cylindrical side wall of the liquid passing cavity is fixedly arranged at a position below the end cover, the elastic ring extends into the liquid passing cavity and is attached to the cylindrical side wall of the liquid passing cavity, clamping blocks are distributed on the outer ring of the elastic ring, the lower end face of each clamping block is an inclined plane inclined downwards, clamping grooves are formed in positions, corresponding to the clamping blocks, on the cylindrical side wall of the liquid passing cavity, and the clamping blocks are clamped in the clamping grooves.
4. A bypass valve structure for a filter according to claim 3, wherein: and a connecting block is fixedly connected between the top surface of the elastic ring and the bottom surface of the valve plate.
5. A bypass valve structure for a filter according to claim 4, wherein: the connecting block is positioned in the middle of the two adjacent clamping blocks.
6. A bypass valve structure for a filter according to claim 2, wherein: the end cover is distributed with the liquid outlets.
7. A bypass valve structure for a filter according to claim 1, wherein: and a rubber pad is fixedly connected to the bottom surface of the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187421.6U CN216951845U (en) | 2022-05-18 | 2022-05-18 | Bypass valve structure for filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187421.6U CN216951845U (en) | 2022-05-18 | 2022-05-18 | Bypass valve structure for filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951845U true CN216951845U (en) | 2022-07-12 |
Family
ID=82301160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221187421.6U Active CN216951845U (en) | 2022-05-18 | 2022-05-18 | Bypass valve structure for filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951845U (en) |
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2022
- 2022-05-18 CN CN202221187421.6U patent/CN216951845U/en active Active
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