CN216077350U - Engine valve chamber cover - Google Patents
Engine valve chamber cover Download PDFInfo
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- CN216077350U CN216077350U CN202122867920.1U CN202122867920U CN216077350U CN 216077350 U CN216077350 U CN 216077350U CN 202122867920 U CN202122867920 U CN 202122867920U CN 216077350 U CN216077350 U CN 216077350U
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- valve chamber
- sealing
- cover
- chamber body
- fixedly connected
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Abstract
The utility model discloses an engine valve chamber cover, which comprises a valve chamber component and a cover component arranged at the top of the valve chamber component, wherein the valve chamber component comprises a valve chamber body, the inner wall of the valve chamber body is fixedly connected with a first sealing component, and the outer edge of the valve chamber body is fixedly connected with a plurality of first mounting lugs; wherein, first seal assembly includes the sealing ring of fixed connection on the valve chamber body inner wall, the annular seal groove has been seted up at the top of sealing ring, through mutually supporting between sealing ring and the sealing washer, realize the primary seal of valve chamber body and shroud body, through mutually supporting between annular seal groove and the annular seal arch, realize the resealing of shroud body and valve chamber body, and through setting up and valve chamber body interference fit's sealing strip, can furthest's improvement valve chamber body and the leakproofness between the shroud body.
Description
Technical Field
The utility model relates to the technical field of engine spare and accessory parts, in particular to an engine valve chamber cover.
Background
In the structure of the automobile engine, the tail end of a valve is connected with a camshaft through a tappet or a tappet; the valve movement is controlled by a camshaft, which is more often overhead above the cylinder head of modern engines. The valve chamber is therefore also known as the camshaft chamber, or oil chamber of the cylinder head. A camshaft cover is arranged above the valve chamber and forms an approximately closed cavity together with the cylinder cover.
The existing valve chamber cover has poor sealing performance, and in the using process, due to poor air tightness, external impurities are easily caused to enter the valve chamber, so that the operation of equipment is influenced. Therefore, we propose an engine valve chamber cover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an engine valve chamber cover cap to solve the problems that the sealing performance of the valve chamber cover cap in the background technology is poor, and external impurities are easy to enter a valve chamber to influence the operation of equipment due to poor air tightness in the using process.
In order to achieve the purpose, the utility model provides the following technical scheme:
an engine valve chamber cover comprising a valve chamber assembly and a cover assembly disposed atop the valve chamber assembly;
the valve chamber assembly comprises a valve chamber body, a first sealing assembly is fixedly connected to the inner wall of the valve chamber body, and a plurality of first mounting lugs are fixedly connected to the outer edge of the valve chamber body;
the first sealing assembly comprises a sealing ring fixedly connected to the inner wall of the valve chamber body, and the top of the sealing ring is provided with an annular sealing groove;
the valve chamber cover comprises a valve chamber body and a cover component, wherein the cover component comprises a cover body matched with the valve chamber body, a second sealing component is arranged at the bottom of the cover body, a plurality of second mounting lugs matched with the first mounting lugs are fixedly connected to the edge of the cover body, and mounting bolts are arranged on the second mounting lugs;
the second sealing assembly comprises a sealing ring fixedly connected to the bottom of the cover cap body, and the bottom of the sealing ring is fixedly connected with an annular sealing bulge matched with the annular sealing groove.
Preferably, the notch of the annular sealing groove is arc-shaped.
Preferably, the bottom of the annular sealing bulge is provided with an arc shape.
Preferably, a spring pad is disposed on the top of the second mounting ear at a position corresponding to the mounting bolt.
Preferably, the second sealing assembly further comprises a sealing strip fixedly connected to an edge of the sealing ring.
Preferably, one side of the sealing strip close to the valve chamber body is in interference fit with the valve chamber body.
Compared with the prior art, the utility model has the beneficial effects that: through mutually supporting between sealing ring and the sealing washer, realize the primary seal of valve door chamber body and shroud body, through mutually supporting between annular seal groove and the annular seal arch, realize the resealing of shroud body and valve door chamber body, and through setting up the sealing strip with valve door chamber body interference fit, the leakproofness between improvement valve door chamber body and the shroud body that can furthest.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of a valve chamber assembly of the present invention;
FIG. 3 is a schematic view of a first seal assembly of the present invention;
FIG. 4 is a schematic view of the cover assembly of the present invention;
FIG. 5 is a schematic view of another alternative construction of the cover assembly of the present invention;
FIG. 6 is a schematic view of a second seal assembly of the present invention;
fig. 7 is a schematic view of another perspective structure of the second sealing assembly of the present invention.
In the figure: 1. a valve chamber assembly; 2. a cover assembly; 101. a valve chamber body; 102. a first seal assembly; 103. a first mounting ear; 1021. a seal ring; 1022. an annular seal groove; 201. a cover body; 202. a second seal assembly; 203. a second mounting ear; 204. installing a bolt; 2021. a seal ring; 2022. an annular sealing protrusion; 2023. a sealing strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-7, the present invention provides a technical solution: an engine valve chamber cover comprises a valve chamber component 1 and a cover component 2 arranged at the top of the valve chamber component 1;
the valve chamber component 1 comprises a valve chamber body 101, a first sealing component 102 is fixedly connected to the inner wall of the valve chamber body 101, and a plurality of first mounting lugs 103 are fixedly connected to the outer edge of the valve chamber body 101;
the first sealing assembly 102 comprises a sealing ring 1021 fixedly connected to the inner wall of the valve chamber body 101, and an annular sealing groove 1022 is formed in the top of the sealing ring 1021;
the cover assembly 2 comprises a cover body 201 matched with the valve chamber body 101, a second sealing assembly 202 is arranged at the bottom of the cover body 201, a plurality of second mounting lugs 203 matched with the first mounting lugs 103 are fixedly connected to the edges of the cover body 201, and mounting bolts 204 are arranged on the second mounting lugs 203;
the second seal assembly 202 includes a seal ring 2021 fixedly connected to the bottom of the cap body 201, and an annular seal protrusion 2022 matched with the annular seal groove 1022 is fixedly connected to the bottom of the seal ring 2021.
The working principle is as follows: shroud body 201 covers on valve chamber body 101 to it is fixed to screw up through construction bolt 204, meanwhile, at first through the mutual conflict realization primary seal of sealing ring 1021 with sealing washer 2021, and at the in close contact between annular seal groove 1022 and annular seal arch 2022, realize secondary seal, interference fit between sealing strip 2023 and valve chamber body 101 inner wall at last, realize sealing once more, through multistage sealing, the leakproofness between valve chamber body 101 and shroud body 201 has been realized, thereby can effectually avoid external impurity to get into the valve chamber.
Has the advantages that: the primary sealing between the valve chamber body 101 and the cover body 201 is realized by the mutual matching between the sealing ring 1021 and the sealing ring 2021, the secondary sealing between the cover body 201 and the valve chamber body 101 is realized by the mutual matching between the annular sealing groove 1022 and the annular sealing protrusion 2022, and the sealing between the valve chamber body 101 and the cover body 201 can be improved to the maximum extent by providing the sealing strip 2023 which is in interference fit with the valve chamber body 101.
The notch of the annular sealing groove 1022 is provided with an arc shape, and the bottom of the annular sealing bulge 2022 is provided with an arc shape. The design increases the convenience of the annular sealing protrusion 2022 being snapped into the annular sealing groove 1022.
Spring pads are disposed on the top of the second mounting ears 203 and corresponding to the mounting bolts 204. The above design increases the stability of the fixed installation of the first mounting ear 103 and the second mounting ear 203 through the mounting bolt 204.
The second seal assembly 202 further comprises a sealing strip 2023 fixedly connected to the edge of the sealing ring 2021, and one side of the sealing strip 2023 close to the valve chamber body 101 is in interference fit with the valve chamber body 101. Above-mentioned design, the leakproofness between valve chamber body 101 and the shroud body 201 of very big anger's increase to can effectually avoid external impurity to get into the valve chamber.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An engine valve chamber cover characterized in that: comprises a valve chamber assembly and a cover assembly arranged on the top of the valve chamber assembly;
the valve chamber assembly comprises a valve chamber body, a first sealing assembly is fixedly connected to the inner wall of the valve chamber body, and a plurality of first mounting lugs are fixedly connected to the outer edge of the valve chamber body;
the first sealing assembly comprises a sealing ring fixedly connected to the inner wall of the valve chamber body, and the top of the sealing ring is provided with an annular sealing groove;
the valve chamber cover comprises a valve chamber body and a cover component, wherein the cover component comprises a cover body matched with the valve chamber body, a second sealing component is arranged at the bottom of the cover body, a plurality of second mounting lugs matched with the first mounting lugs are fixedly connected to the edge of the cover body, and mounting bolts are arranged on the second mounting lugs;
the second sealing assembly comprises a sealing ring fixedly connected to the bottom of the cover cap body, and the bottom of the sealing ring is fixedly connected with an annular sealing bulge matched with the annular sealing groove.
2. An engine valve chamber cover according to claim 1, wherein: the notch of the annular sealing groove is arc-shaped.
3. An engine valve chamber cover according to claim 2, wherein: the bottom of the annular sealing bulge is provided with an arc shape.
4. An engine valve chamber cover according to claim 1, wherein: and spring pads are arranged at the tops of the second mounting ears and corresponding to the positions of the mounting bolts.
5. An engine valve chamber cover according to claim 1, wherein: the second sealing assembly further comprises a sealing strip fixedly connected to the edge of the sealing ring.
6. An engine valve chamber cover according to claim 5, wherein: one side of the sealing strip, which is close to the valve chamber body, is in interference fit with the valve chamber body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122867920.1U CN216077350U (en) | 2021-11-22 | 2021-11-22 | Engine valve chamber cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122867920.1U CN216077350U (en) | 2021-11-22 | 2021-11-22 | Engine valve chamber cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077350U true CN216077350U (en) | 2022-03-18 |
Family
ID=80661966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122867920.1U Active CN216077350U (en) | 2021-11-22 | 2021-11-22 | Engine valve chamber cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077350U (en) |
-
2021
- 2021-11-22 CN CN202122867920.1U patent/CN216077350U/en active Active
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