CN218118734U - Check valve structure for air filter assembly - Google Patents
Check valve structure for air filter assembly Download PDFInfo
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- CN218118734U CN218118734U CN202222292904.9U CN202222292904U CN218118734U CN 218118734 U CN218118734 U CN 218118734U CN 202222292904 U CN202222292904 U CN 202222292904U CN 218118734 U CN218118734 U CN 218118734U
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- valve
- disc
- annular table
- check valve
- umbrella
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Abstract
A check valve structure for an air filter assembly comprises a disc and a valve core, wherein through holes are distributed in the disc, the valve core comprises a valve, the middle part of the valve is clamped in the middle part of the disc, the middle part of the disc is of a first umbrella-shaped structure protruding upwards, the through holes are located in the first umbrella-shaped structure, and the edge of the disc is a first annular table; the middle part of valve is the bellied second umbelliform structure that makes progress, and the edge of valve is the second annular table, and the lower surface of first umbelliform structure and the upper surface of second umbelliform structure are inner arc, and second annular table and the laminating of first annular table. The middle part of the valve core is upwards convexly arranged, so that the valve core is convenient to drain and prevent water, and the sealing effect between the valve core and the disc is improved by mutually attaching the first annular table and the second annular table; the utility model has the advantages of simple integral structure, convenient processing production and be convenient for assembly and maintenance.
Description
Technical Field
The utility model relates to an air cleaner, concretely relates to check valve structure for air cleaner assembly.
Background
The automobile air inlet system assembly comprises an air filter assembly, and water sometimes enters the air filter assembly in the using process to cause abnormal sound or impact the filter element to influence the use. For this purpose, it is necessary to arrange a check valve at the bottom of the air filter assembly for discharging water or sand particles at the bottom of the air filter assembly and preventing external liquid or sand particles from entering the air filter assembly.
The authorized notice number CN 103775261B discloses a vehicle dust exhaust valve, and the authorized notice number CN 207847811U discloses an air filter water leakage valve pad, wherein the one-way valves of the two comprise a valve seat and a valve core, dust exhaust holes are formed in a disc of the valve seat, and the valve core is blocked on the disc to achieve the sealing effect. But the disc of valve body is planar structure, and the case is umbrella structure, leans on water dead weight drainage to lean on umbrella structure's resilience effect to seal the disc, no matter the case of umbrella structure sets to extrados or intrados, the contact surface of case and disc is less, thereby leads to sealed effect relatively poor.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model provides a check valve structure for air cleaner assembly improves the sealed effect of check valve.
A one-way valve structure for an air filter assembly comprises a disc and a valve core, wherein through holes are distributed in the disc, the valve core comprises a valve, the middle part of the valve is clamped in the middle part of the disc, the middle part of the disc is of a first umbrella-shaped structure protruding upwards, the through holes are located in the first umbrella-shaped structure, and the edge of the disc is a first annular table; the middle part of valve is the bellied second umbelliform structure that makes progress, the edge of valve is second annular table, the lower surface of first umbelliform structure with the upper surface of second umbelliform structure is the inner arc shape, second annular table and the laminating of first annular table.
In order to be convenient for with the middle part of valve joint at the disc, further be: the middle of the valve is integrally provided with a vertical valve rod, a mounting hole is formed in the position, corresponding to the valve rod, of the disc, the valve rod penetrates through the mounting hole, a conical stop block is integrally arranged in the middle of the valve rod, and the conical stop block is stopped at the upper end port of the mounting hole. And inserting the stop rod into the mounting hole, and stopping the conical stop block at the upper end port of the mounting hole after the conical stop block penetrates through the mounting hole so as to prevent the valve rod from being separated from the mounting hole.
In order to improve the area of the through hole and arrange on the first umbrella-shaped structure conveniently, further: the through holes are long holes, and the long direction of the through holes is arranged along the circumferential direction of the first umbrella-shaped structure.
In order to facilitate the disassembly of the valve core, the method further comprises the following steps: and a gap is reserved between the valve rod and the mounting hole, so that the conical stop block can conveniently pass through the gap.
In order to avoid the influence of outside air current to the case, further do: the edge of the lower surface of the first annular table is integrally provided with an annular boss, and the second annular table is located in the annular boss and a gap is reserved between the second annular table and the annular boss.
Further comprises the following steps: the valve core is made of rubber materials.
The utility model has the advantages that: the middle part of the valve core is arranged in a convex manner, so that the valve core is convenient to drain water and prevent water, and the sealing effect between the valve core and the disc is improved by mutually attaching the first annular table and the second annular table; the utility model has the advantages of simple integral structure, convenient processing production and be convenient for assembly and maintenance.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic structural diagram of the middle valve element of the present invention.
In the figure, 1, a disc; 11. a through hole; 12. a first annular table; 13. a first umbrella-like structure; 131. mounting holes; 2. a valve core; 21. a valve stem; 22. a conical stop block; 23. a valve; 231. a second umbrella-like structure; 232. a second annular table; 3. and an annular boss.
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 reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. The terms of left, middle, right, upper and lower directions in the examples of the present invention are only relative concepts or reference to the normal use status of the product, and should not be considered as limiting.
A check valve structure for an air filter assembly comprises a disc 1 and a valve core 2, wherein the valve core 2 is made of rubber materials, through holes 11 are distributed on the disc 1, the valve core 2 comprises a valve 23, the middle part of the valve 23 is clamped in the middle part of the disc 1, the middle part of the disc 1 is provided with a first umbrella-shaped structure 13 protruding upwards, the through holes 11 are positioned on the first umbrella-shaped structure 13, the edge of the disc 1 is provided with a first annular table 12, the through holes 11 are waist-shaped long holes, and the long direction of the through holes 11 is arranged along the circumferential direction of the first umbrella-shaped structure 13; the middle part of valve 23 is the bellied second umbrella column 231 that makes progress, the edge of valve 23 is second annular table 232, the lower surface of first umbrella column 13 with the upper surface of second umbrella column 231 is the inner arc, second annular table 232 and the laminating of first annular table 12 the edge integration of first annular table 12 lower surface is provided with annular boss 3, second annular table 232 is located in the annular boss 3 and rather than leave the clearance between it.
The middle of the valve 23 is integrally provided with a vertical valve rod 21, a mounting hole 131 is formed in a position, corresponding to the valve rod 21, on the disc 1, the valve rod 21 penetrates through the mounting hole 131, a conical stop block 22 is integrally arranged in the middle of the valve rod 21, and the conical stop block 22 is stopped at an upper end port of the mounting hole 131. A gap is left between the valve rod 21 and the mounting hole 131.
The utility model discloses a theory of operation: when water enters the air filter assembly, the water presses the second annular table 232 of the valve 23 by the self weight of the water, the second annular table 232 is opened, the water is leaked from the through hole 11, after the water is drained, the external force applied to the valve 23 disappears, the second annular table 232 automatically rebounds and enables the second annular table 232 to be attached to the first annular table 12, and the external water is prevented from entering the air filter assembly from the valve 23.
The foregoing illustrates and describes the general principles, 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 above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a check valve structure for air cleaner assembly, includes disc and case it has the through-hole to distribute on the disc, the case includes the valve, the middle part joint of valve is in the middle part of disc, its characterized in that: the middle part of the disc is a first umbrella-shaped structure protruding upwards, the through hole is positioned on the first umbrella-shaped structure, and the edge of the disc is a first annular table; the middle part of valve is the bellied second umbelliform structure that makes progress, the edge of valve is second annular table, the lower surface of first umbelliform structure with the upper surface of second umbelliform structure is the inner arc shape, second annular table and the laminating of first annular table.
2. A check valve structure for an air cleaner assembly according to claim 1, wherein: the through holes are long holes, and the long direction of the through holes is arranged along the circumferential direction of the first umbrella-shaped structure.
3. A check valve structure for an air cleaner assembly according to claim 1, wherein: the edge of the lower surface of the first annular table is integrally provided with an annular boss, and the second annular table is located in the annular boss and a gap is reserved between the second annular table and the annular boss.
4. A check valve structure for an air cleaner assembly according to claim 1, wherein: the valve core is made of rubber materials.
5. A check valve structure for an air cleaner assembly according to claim 1, wherein: the middle of the valve is integrally provided with a vertical valve rod, a mounting hole is formed in the position, corresponding to the valve rod, of the disc, the valve rod penetrates through the mounting hole, a conical stop block is integrally arranged in the middle of the valve rod, and the conical stop block is stopped at the upper end port of the mounting hole.
6. A check valve structure for an air cleaner assembly according to claim 5, wherein: and a gap is reserved between the valve rod and the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222292904.9U CN218118734U (en) | 2022-08-31 | 2022-08-31 | Check valve structure for air filter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222292904.9U CN218118734U (en) | 2022-08-31 | 2022-08-31 | Check valve structure for air filter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218118734U true CN218118734U (en) | 2022-12-23 |
Family
ID=84528116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222292904.9U Active CN218118734U (en) | 2022-08-31 | 2022-08-31 | Check valve structure for air filter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218118734U (en) |
-
2022
- 2022-08-31 CN CN202222292904.9U patent/CN218118734U/en active Active
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