CN210460890U - Sealing gasket structure of cylinder head cover - Google Patents
Sealing gasket structure of cylinder head cover Download PDFInfo
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- CN210460890U CN210460890U CN201921248584.9U CN201921248584U CN210460890U CN 210460890 U CN210460890 U CN 210460890U CN 201921248584 U CN201921248584 U CN 201921248584U CN 210460890 U CN210460890 U CN 210460890U
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- head cover
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Abstract
The utility model provides a sealed pad structure of cylinder head cover, includes the cylinder head cover, and the shaping has the cross-section to be the seal groove of isosceles trapezoid shape on the lower terminal surface of cylinder head cover, and the interpolation of seal groove of cylinder head cover is equipped with the sealing washer, the sealing washer includes that the cross-section is the body of rectangle, and the shaping has the sealing lip of a plurality of isosceles triangle shapes on the upper and lower terminal surface of body, and the shaping has the slot of V type between the adjacent sealing lip, the sealing lip of body one end supports and leans on the bottom surface of seal groove. The sealing device can be in multi-point contact sealing with the cylinder cover or the cylinder cover hood, has good sealing effect, and can meet the sealing requirement of a high-quality engine. The sealing device can be in multi-point contact sealing with the cylinder cover or the cylinder cover hood, has good sealing effect, and can meet the sealing requirement of a high-quality engine.
Description
The technical field is as follows:
the utility model relates to an engine seal's technical field, more specifically says and relates to a sealed pad structure of cylinder head cover.
Background art:
with the rapid development of national economy in China, the use requirements of various industries on non-road mobile machinery are higher and higher. At present, the core of mobile machinery is an internal combustion engine generally, a cylinder cover and a cylinder cover hood are arranged on the internal combustion engine generally, the cylinder cover hood is fixedly connected with the cylinder cover hood through bolts, good sealing needs to be achieved between the cylinder cover hood and the cylinder cover hood, the existing sealing mode is that, as shown in fig. 1, a sealing clamping groove 11 'with a rectangular cross section is formed in the cylinder cover hood 1, a sealing strip 2' with a circular cross section is inserted into the sealing clamping groove 11 ', the top end and the bottom end of the sealing strip 2' are in contact with the cylinder cover hood 1 and the cylinder cover respectively, but the contact points are all just a little advanced, but along with the technological process, the quality of the engine is improved continuously, the sealing requirements of the cylinder cover hood and the cylinder cover hood of the engine are also improved continuously.
The utility model has the following contents:
the utility model aims at providing a not enough to prior art, and provide a sealed pad structure of cylinder head cover, it can with cylinder head or cylinder head cover between the multiple spot contact seal, it is sealed effectual, can satisfy the sealed requirement of high-quality engine
The utility model provides a sealed pad structure of cylinder head cover, includes the cylinder head cover, and the shaping has the cross-section to be the seal groove of isosceles trapezoid shape on the lower terminal surface of cylinder head cover, and the interpolation of seal groove of cylinder head cover is equipped with the sealing washer, the sealing washer includes that the cross-section is the body of rectangle, and the shaping has the sealing lip of a plurality of isosceles triangle shapes on the upper and lower terminal surface of body, and the shaping has the slot of V type between the adjacent sealing lip, the sealing lip of body one end supports and leans on the bottom surface of seal groove.
Preferably, a plurality of circular arc-shaped salient points are formed on the inner side wall and the outer side wall of the sealing ring body on the sealing ring, the salient points are pressed on the inner walls of the two sides of the sealing ring of the cylinder head cover, and the salient points are uniformly distributed on the sealing ring.
Preferably, the sealing lips on the upper end surface and the lower end surface of the body are respectively provided with at least two sealing lips, and the number of the sealing lips on the upper end surface and the lower end surface of the body is equal.
Preferably, a positioning groove communicated with the sealing groove is formed in the lower end face of the cylinder head cover, a positioning lug is formed on the sealing ring, and the positioning lug is inserted into the positioning groove of the cylinder head cover.
Preferably, the distance between the inner side wall and the outer side wall of the sealing ring body is smaller than the width of the opening end of the sealing groove.
Preferably, the vertical distance between the sealing lips at the upper end and the lower end of the sealing ring is greater than the depth of the sealing groove on the cylinder cover.
The beneficial effects of the utility model reside in that:
1. the sealing device can be in multi-point contact sealing with the cylinder cover or the cylinder cover hood, has good sealing effect, and can meet the sealing requirement of a high-quality engine.
2. The sealing groove on the cylinder head cover is arranged to be isosceles trapezoid, so that a sealing ring is conveniently placed in the sealing groove, meanwhile, the sealing ring is provided with the convex points, and the convex points can be clamped in the sealing groove, so that the cylinder head cover is favorably installed.
3. The upper end and the lower end of the sealing ring are the same in structure, and the positioning lug is additionally arranged, so that the fool-proof and mistake-proof measures are provided, and the sealing ring can be prevented from being installed wrongly.
Description of the drawings:
FIG. 1 is a schematic view of a prior art sealing structure of a cylinder head cover;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic sectional view of the present invention.
In the figure: 1. a cylinder head cover; 11. a sealing groove; 11', sealing the clamping groove; 2. a seal ring; 21. A body; 22. a sealing lip; 23. a trench; 24. salient points; 25. positioning the bump; 2' and a sealing strip.
The specific implementation mode is as follows:
example (b): see fig. 2 to 3, a sealing gasket structure of cylinder head cover, including cylinder head cover 1, the shaping has the cross-section to be the seal groove 11 of isosceles trapezoid shape on the lower terminal surface of cylinder head cover 1, and the interpolation of seal groove 11 of cylinder head cover 1 is equipped with sealing washer 2, sealing washer 2 includes that the cross-section is rectangular body 21, and the shaping has a plurality of sealing lips 22 of isosceles triangle shape on the upper and lower terminal surface of body 21, and the shaping has the slot 23 of V type between the adjacent sealing lip 22, the sealing lip 22 of body 21 one end supports and leans on the bottom surface of seal groove 11.
Preferably, a plurality of circular arc-shaped salient points 24 are formed on the inner side wall and the outer side wall of the body 21 on the sealing ring 2, the salient points 24 are pressed on the inner walls of the two sides of the sealing ring 2 of the cylinder head cover 1, and the salient points 24 are uniformly distributed on the sealing ring 2.
Preferably, at least two sealing lips 22 are respectively arranged on the upper end surface and the lower end surface of the body 21, and the number of the sealing lips 22 on the upper end surface and the lower end surface of the body 21 is equal.
Preferably, a positioning groove communicated with the sealing groove 11 is formed in the lower end face of the cylinder head cover 1, a positioning convex block 25 is formed in the sealing ring 2, and the positioning convex block 25 is inserted into the positioning groove of the cylinder head cover 1.
Preferably, the distance between the inner and outer side walls of the upper body 21 of the sealing ring 2 is smaller than the width of the opening end of the sealing groove 11.
Preferably, the vertical distance between the sealing lips 22 at the upper and lower ends of the sealing ring 2 is greater than the depth of the sealing groove 11 on the cylinder head cover 1.
The working principle is as follows: the utility model relates to a sealing gasket structure of a cylinder head cover, which has the main technical points that the structure of a sealing groove 11 on the cylinder head cover 1 and the structure of a sealing ring 2 are reformed, a plurality of sealing lips 22 are arranged on the sealing ring 2, the sealing lips 22 can realize multi-point contact sealing with the cylinder head cover 1 or a cylinder cover,
as shown in fig. 3, two sealing lips 22 are arranged at the upper and lower parts, the cross section of the sealing ring 2 is H-shaped, when the cylinder head cover 1 and the cylinder head are closed, the sealing ring 2 is compressed, and two seals are arranged between the sealing ring and the cylinder head cover 1 and the cylinder head, so that the sealing effect is good; thereby meeting the sealing requirement of a high-quality engine.
The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.
Claims (6)
1. A sealing gasket structure of a cylinder head cover comprises the cylinder head cover (1), and is characterized in that: the shaping has seal groove (11) that the cross-section is isosceles trapezoid shape on the lower terminal surface of cylinder head cover (1), and the interpolation of seal groove (11) of cylinder head cover (1) is equipped with sealing washer (2), sealing washer (2) are body (21) of rectangle including the cross-section, and the shaping has sealing lip (22) of a plurality of isosceles triangle shapes on the upper and lower terminal surface of body (21), and the shaping has slot (23) of V type between adjacent sealing lip (22), sealing lip (22) of body (21) one end are supported and are leaned on the bottom surface of seal groove (11).
2. The sealing gasket structure of a cylinder head cover according to claim 1, wherein: a plurality of arc-shaped salient points (24) are formed on the inner side wall and the outer side wall of the body (21) on the sealing ring (2), the salient points (24) are pressed on the inner walls of the two sides of the sealing ring (2) of the cylinder head cover (1), and the salient points (24) are uniformly distributed on the sealing ring (2).
3. The sealing gasket structure of a cylinder head cover according to claim 1, wherein: the sealing lips (22) on the upper end surface and the lower end surface of the body (21) are respectively provided with at least two sealing lips, and the number of the sealing lips (22) on the upper end surface and the lower end surface of the body (21) is equal.
4. The sealing gasket structure of a cylinder head cover according to claim 1, wherein: the lower end face of the cylinder head cover (1) is provided with a positioning groove communicated with the sealing groove (11), the sealing ring (2) is provided with a positioning lug (25), and the positioning lug (25) is inserted into the positioning groove of the cylinder head cover (1).
5. The sealing gasket structure of a cylinder head cover according to claim 1, wherein: the distance between the inner side wall and the outer side wall of the upper body (21) of the sealing ring (2) is smaller than the width of the opening end of the sealing groove (11).
6. The sealing gasket structure of a cylinder head cover according to claim 1, wherein: the vertical distance between the sealing lips (22) at the upper end and the lower end of the sealing ring (2) is greater than the depth of the sealing groove (11) on the cylinder head cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248584.9U CN210460890U (en) | 2019-08-05 | 2019-08-05 | Sealing gasket structure of cylinder head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248584.9U CN210460890U (en) | 2019-08-05 | 2019-08-05 | Sealing gasket structure of cylinder head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210460890U true CN210460890U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921248584.9U Active CN210460890U (en) | 2019-08-05 | 2019-08-05 | Sealing gasket structure of cylinder head cover |
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| CN (1) | CN210460890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110292A1 (en) * | 2020-11-27 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Micro water pump and electronic apparatus |
-
2019
- 2019-08-05 CN CN201921248584.9U patent/CN210460890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110292A1 (en) * | 2020-11-27 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Micro water pump and electronic apparatus |
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