CN221054363U - High-sealing overflow-stopping valve for vehicle - Google Patents
High-sealing overflow-stopping valve for vehicle Download PDFInfo
- Publication number
- CN221054363U CN221054363U CN202323202171.6U CN202323202171U CN221054363U CN 221054363 U CN221054363 U CN 221054363U CN 202323202171 U CN202323202171 U CN 202323202171U CN 221054363 U CN221054363 U CN 221054363U
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- sealing
- valve
- exhaust hole
- valve body
- hole
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- 238000007789 sealing Methods 0.000 title claims abstract description 98
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 11
- 238000005452 bending Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model relates to the technical field of automobile accessories, in particular to a high-tightness overflow stop valve for a vehicle, which comprises a valve body, wherein a first exhaust hole is arranged in the valve body, the valve body is divided into an upper cavity and a lower cavity which are communicated up and down through the first exhaust hole, a bottom cover is arranged at the bottom of the valve body, a valve core is arranged in the lower cavity, an elastic retainer which enables the valve core to collide with the first exhaust hole is arranged between the valve core and the bottom cover, a sealing part is arranged at the bottom of the first exhaust hole in a downward cavity direction in an extending manner, the sealing part is communicated with the first exhaust hole, and a sealing structure which can be clamped with the sealing part is arranged between the sealing part and the valve core, so that the upper cavity and the lower cavity are mutually communicated or separated is enabled to be blocked, and the high-tightness overflow stop valve has the beneficial effects that: the sealing part and the sealing structure can be clamped, so that the sealing effect is further improved.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to a high-tightness overflow stop valve.
Background
The overflow stop valve is a hydraulic pressure control valve, which mainly plays roles of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment, is also called a car dumper valve when being used in an automobile, is applied to an automobile fuel supply system, and is arranged in a fuel pump flange plate in the automobile fuel supply system, so that the internal air pressure of an oil tank is kept at a certain value. Under the high-temperature state, the car dumper valve discharges the oil steam into the carbon tank for storage when the internal pressure of the oil tank is too high, and then air supplementing is carried out when the internal pressure of the oil tank is too low under the high-speed running state of the car, so that the oil tank cannot shrink; in addition, when the automobile turns over in accident, the interior of the car dumper valve is closed to prevent the fuel in the fuel tank from leaking outwards, and the car dumper valve with the publication number of CN 216895962U comprises an upper cover, a valve plate, a clamping ring, a valve body, a sealing piece, a valve core, an elastic retainer and a bottom cover; the upper cover is arranged at the top of the valve body, a first exhaust hole is formed in the center of the top of the valve body, the bottom of the first exhaust hole is of a planar structure, the valve plate is arranged between the upper cover and the valve body, and the valve plate moves up and down in the upper cover; the collar is sleeved on the outer side of the valve body; the bottom cover is arranged at the bottom of the valve body, the valve core is arranged in the valve body, the elastic retaining piece is arranged between the valve core and the bottom cover, and the elastic retaining piece is used for pressing the valve core to the bottom of the first exhaust hole; the center of the top of the valve core is provided with a convex spherical structure, the spherical structure is right opposite to the first exhaust hole, the sealing sheet is arranged above the spherical structure, the top surface of the sealing sheet is of a planar structure, and the sealing sheet is made of plastic material in an integrated mode; the valve core is movably connected with the sealing piece through a buckle structure; the buckling structure comprises at least one bending part arranged at one end of the sealing sheet, a clamping groove matched with the bending part is arranged on the side surface of the top of the valve core, the bending part is buckled with the clamping groove, and a certain movable gap is reserved between the bending part and the clamping groove;
However, in the above document, the plastic sealing piece is sealed with the plastic plane, and the top surface of the plastic sealing piece is in a plane structure, and because the plastic piece has rough points, the flatness is poor, so that when the plastic sealing piece is sealed with the plastic plane, the sealing effect is poor.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the high-tightness overflow stop valve for the vehicle, which has good sealing effect and aims at overcoming the defects of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vehicle high leakproofness's anti-overflow valve, includes valve body, valve block, case, elastic retaining member and bottom, the valve body includes cavity and lower cavity, and upper and lower cavity can communicate each other, the top central authorities of valve body are provided with first exhaust hole, the valve block sets up between cavity and lower cavity, and can reciprocate in last cavity, the bottom sets up in the bottom of valve body, the case sets up in lower cavity, elastic retaining member sets up between case and bottom, elastic retaining member is used for the case to spring to the bottom of first exhaust hole, its characterized in that: the sealing structure is characterized in that the sealing part extends downwards from the bottom of the first exhaust hole to the direction of the cavity, the sealing part is communicated with the first exhaust hole, and the sealing part is clamped with the valve core, so that the upper cavity and the lower cavity are mutually communicated or separated.
The technical scheme is adopted: under the normal state, the valve core is positioned at the lower part of the lower chamber, and the sealing structure and the sealing part are in a separated state; when the internal pressure of the oil tank is larger than the external pressure, the oil gas is discharged through the gap between the valve core and the valve body, the sealing part, the first exhaust hole and the upper cavity in sequence, and the overflow stop valve is in an exhaust state; when the oil tank is inclined to exceed a set angle or overturned, the valve core rises, the sealing structure is clamped with the sealing part, so that the bottom of the first exhaust hole is blocked, the upper cavity and the lower cavity are separated, the overflow stop valve is in a non-ventilation and oil leakage-proof state, and compared with the design that a plastic sealing sheet and a plastic plane are sealed in the prior art, and the top surface of the plastic sealing sheet is of a plane structure, the sealing structure is clamped with the sealing part, the sealing effect is further improved, and the problem of oil overflow in the oil tank is prevented when the vehicle is overturned.
The utility model is further provided with the following steps: the sealing structure comprises a sealing piece positioned in the sealing part and a rubber piece arranged in the middle of the valve core, wherein one end, close to the sealing piece, of the rubber piece is a conical part, a first through hole is formed in the middle of the sealing piece in a penetrating mode, and the conical part of the rubber piece can abut against the first through hole to be clamped.
The technical scheme is adopted: through setting up of sealing member and rubber spare, thereby the case rises and drives the rubber spare and rise when the oil tank slope exceeds settlement angle or turnover, realizes the first through-hole joint on rubber spare cone and the sealing member to separate last cavity and lower cavity, thereby realize sealedly, improve sealing function.
The utility model is further provided with the following steps: the sealing part is provided with a sealing groove for installing sealing elements, a plurality of abutting elements are arranged on the outer wall of the sealing element, and one end opening of the first through hole, which is close to the lower cavity, is in a horn shape.
The technical scheme is adopted: through the design of seal groove, make the assembly simpler convenient, improve the assembly effect, the setting of conflict piece simultaneously makes sealing member and sealing part assembly more firm and inseparable, guarantees the result of use, improves the leakproofness, and first through-hole is loudspeaker form and rubber spare cone adaptation more to improve the result of use.
The utility model is further provided with the following steps: the sealing element is made of copper pieces in an integrated mode.
The technical scheme is adopted: the sealing piece is made of copper pieces in an integrated mode, and compared with plastic pieces in the prior art, the sealing piece is good in flatness and better in sealing function due to the fact that the sealing piece is matched with the rubber pieces.
The utility model is further provided with the following steps: still include upper cover and valve block, the valve block sets up at first exhaust hole top, and can reciprocate in the upper chamber, the upper cover sets up in the valve body top, the upper cover middle part is equipped with the second through-hole with first exhaust hole intercommunication, be equipped with the elastic component between valve block and the upper cover, the elastic component includes that one end and valve block joint's drive shell and one end are connected with the drive shell, and the other end is connected with the first spring of upper cover.
The technical scheme is adopted: when in the exhaust state, sealing portion and seal structure are the separation state this moment, and oil gas passes through sealing portion and first exhaust hole entering in the cavity this moment, promotes the valve block and rises to drive elastic component compression first spring, make oil gas pass through the discharge of second through-hole, guarantee its result of use.
The utility model is further provided with the following steps: at least two valve body buckles are arranged on the outer surface of the valve body.
The technical scheme is adopted: through the arrangement of the valve body buckle, the fixing effect is improved through the buckle connection when the valve is installed.
The beneficial effects of the utility model are as follows: and a sealing structure which can be clamped with the sealing part is arranged between the sealing part and the valve core, so that the sealing effect is further improved, and the situation of oil leakage of the oil tank during turning is avoided.
The utility model is described in further detail below with reference to the drawings and examples.
Drawings
FIG. 1 is a cross-sectional view of the present utility model.
Fig. 2 is an enlarged view of the sealing structure of the present utility model.
FIG. 3 is a schematic view of the internal structure of the valve-less body of the present utility model.
Fig. 4 is a cross-sectional view of a valve body of the present utility model.
Fig. 5 is a schematic diagram of the overall structure of the present utility model.
Description of the reference numerals: the valve body 1, the upper chamber 11, the lower chamber 12, the first exhaust hole 13, the valve body buckle 14, the valve plate 2, the valve core 3, the bottom cover 4, the elastic retainer 5, the sealing part 6, the sealing groove 61, the sealing structure 7, the sealing member 71, the first through hole 711, the abutting member 712, the rubber member 72, the upper cover 8, the second through hole 81, the elastic member 82, the driving housing 821, and the first spring 822.
Description of the embodiments
In the drawings of the present embodiment and the disclosed embodiment, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to the general design, so that the same embodiment and different embodiments of the present utility model may be combined with each other without conflict.
The high-tightness overflow-stopping valve for the vehicle as shown in fig. 1-5 comprises a valve body 1, wherein a first exhaust hole 13 is formed in the valve body 1, the valve body 1 is divided into an upper chamber 11 and a lower chamber 12 which are communicated up and down through the first exhaust hole 13, a bottom cover 4 is arranged at the bottom of the valve body 1, at least two valve body buckles 14 are arranged on the outer surface of the valve body 1, a valve core 3 is arranged in the lower chamber 12, an elastic retainer 5 which enables the valve core 3 to collide with the first exhaust hole 13 is arranged between the valve core 3 and the bottom cover 4, a sealing part 6 is arranged at the bottom of the first exhaust hole 13 in a direction extending towards the lower chamber 12, the sealing part 6 is communicated with the first exhaust hole 13, and a sealing structure 7 which can be clamped with the sealing part 6 is arranged between the sealing part 6 and the valve core 3, so that the upper chamber and the lower chamber are mutually communicated or separated is enabled.
The sealing structure 7 shown in fig. 1-4 comprises a sealing element 71 positioned in a sealing part 6 and a rubber element 72 arranged in the middle of a valve core 3, wherein the sealing element 71 is integrally formed by copper, one end of the rubber element 72 close to the sealing element 71 is a cone part, a first through hole 711 for connecting an upper chamber 11, a first exhaust hole 13 and a lower chamber 12 is penetrated in the middle of the sealing element 71, the cone part of the rubber element 72 can abut against the first through hole 711 to be clamped, the sealing part 6 is provided with a sealing groove 61 for installing the sealing element 71, the outer wall of the sealing element 71 is provided with a plurality of abutting elements 712, and one end of the first through hole 711 close to the lower chamber 12 is opened in a horn shape.
As shown in fig. 1 and 3, the valve further comprises an upper cover 8 and a valve plate 2, the valve plate 2 is arranged at the top of the first exhaust hole 13 and can move up and down in the upper chamber 11, the upper cover 8 is arranged at the top of the valve body 1, a second through hole 81 communicated with the first exhaust hole 13 is formed in the middle of the upper cover 8, an elastic piece 82 is arranged between the valve plate 2 and the upper cover 8, and the elastic piece 82 comprises a driving shell 821 with one end being clamped with the valve plate 2 and a first spring 822 with one end being connected with the driving shell 821 and the other end being connected with the upper cover 8.
In the use process, under the normal state, the valve core 3 is positioned at the lower part of the lower cavity 12, and the sealing structure 7 and the sealing part 6 are in a separated state; when the internal pressure of the oil tank is greater than the external pressure, oil gas sequentially enters the upper chamber 11 through a gap between the valve core 3 and the valve body 1, the first through hole 711 and the first exhaust hole 13, and pushes the valve plate 2 to rise, so that the driving shell 821 is driven to compress the first spring 822, the oil gas is discharged through the second through hole 81, and the overflow stop valve is in an exhaust state; when the oil tank is inclined beyond a set angle or overturned, the valve core 3 rises to drive the rubber piece 72 to rise, at the moment, the conical part of the rubber piece 72 is clamped with the sealing piece 71, so that the bottom of the first exhaust hole 13 is blocked, the upper chamber 11 and the lower chamber 12 are separated, and at the moment, the overflow stop valve is in a non-ventilation and non-oil leakage state; when the oil tank is restored to a normal state, the elastic retainer 5 drives the valve core 3 to fall back for resetting, and drives the rubber piece 72 to separate from the sealing piece 71.
Claims (6)
1. The utility model provides a vehicle high leakproofness's anti-overflow valve, includes the valve body, be equipped with first exhaust hole in the valve body, the valve body separates into upper chamber and lower cavity that communicates from top to bottom through first exhaust hole, the valve body bottom is equipped with the bottom, be equipped with the case in the lower cavity, be equipped with the elastic retaining element that makes case and first exhaust hole conflict between case and the bottom, its characterized in that: the sealing structure is characterized in that the bottom of the first exhaust hole extends towards the direction of the downward cavity and is provided with a sealing part, the sealing part is communicated with the first exhaust hole, and the sealing part is clamped with the valve core, so that the upper cavity and the lower cavity are mutually communicated or separated.
2. The high-tightness check valve for vehicles according to claim 1, wherein: the sealing structure comprises a sealing piece positioned in the sealing part and a rubber piece arranged in the middle of the valve core, wherein one end, close to the sealing piece, of the rubber piece is a conical part, a first through hole is formed in the middle of the sealing piece in a penetrating mode, and the conical part of the rubber piece can abut against the first through hole to be clamped.
3. The high-tightness check valve for vehicles according to claim 2, wherein: the sealing part is provided with a sealing groove for installing sealing elements, a plurality of abutting elements are arranged on the outer wall of the sealing element, and one end opening of the first through hole, which is close to the lower cavity, is in a horn shape.
4. A high tightness check valve for vehicles according to claim 2 or 3, characterized in that: the sealing element is made of copper pieces in an integrated mode.
5. The high-tightness check valve for vehicles according to claim 1, wherein: still include upper cover and valve block, the valve block sets up at first exhaust hole top, and can reciprocate in the upper chamber, the upper cover sets up in the valve body top, the upper cover middle part is equipped with the second through-hole with first exhaust hole intercommunication, be equipped with the elastic component between valve block and the upper cover, the elastic component includes that one end and valve block joint's drive shell and one end are connected with the drive shell, and the other end is connected with the first spring of upper cover.
6. A high tightness check valve for vehicles according to any of claims 1-5, wherein: at least two valve body buckles are arranged on the outer surface of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202171.6U CN221054363U (en) | 2023-11-27 | 2023-11-27 | High-sealing overflow-stopping valve for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202171.6U CN221054363U (en) | 2023-11-27 | 2023-11-27 | High-sealing overflow-stopping valve for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221054363U true CN221054363U (en) | 2024-05-31 |
Family
ID=91222020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323202171.6U Active CN221054363U (en) | 2023-11-27 | 2023-11-27 | High-sealing overflow-stopping valve for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221054363U (en) |
-
2023
- 2023-11-27 CN CN202323202171.6U patent/CN221054363U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |