CN219733525U - Cylinder head gasket of engine - Google Patents
Cylinder head gasket of engine Download PDFInfo
- Publication number
- CN219733525U CN219733525U CN202321380503.7U CN202321380503U CN219733525U CN 219733525 U CN219733525 U CN 219733525U CN 202321380503 U CN202321380503 U CN 202321380503U CN 219733525 U CN219733525 U CN 219733525U
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- Prior art keywords
- cylinder head
- head gasket
- gasket
- sealing
- cylinder
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- 238000007789 sealing Methods 0.000 claims abstract description 71
- 239000005060 rubber Substances 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002346 layers by function Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model relates to a cylinder head gasket of an engine, and relates to the technical field of engine accessories. According to the utility model, when the engine is running, the gap between the cylinder head gasket and the cylinder body and between the cylinder head gasket and the cylinder cover is prevented from being generated due to the fact that the cylinder head gasket bears pressure and heat, so that the sealing effect of the cylinder head gasket is improved.
Description
Technical Field
The utility model relates to the technical field of engine accessories, in particular to a cylinder head gasket of an engine.
Background
Currently, cylinder head gaskets are a type of sealing material located between the cylinder head and the cylinder block of an engine to ensure gas and liquid seals inside the engine. It is typically made of metal, rubber or composite materials, with durability in high temperature and pressure environments.
When the rigidity of the cylinder cover is insufficient, the cylinder cover can be continuously jacked up and fallen under the action of explosion pressure in the cylinder when the engine works, and the bottom surface of the cylinder cover and the grooves or the bulges of the gas sealing functional layer are directly impacted to be gradually worn in the process, so that a cylinder flushing gasket is easy to be caused, and even the cylinder cover can not be replaced due to excessive wear of the bottom surface of the cylinder cover.
The prior art chinese patent with publication number CN106089486a discloses a cylinder head gasket for an engine, the cylinder head gasket is disposed in a space enclosed by a cylinder block, a cylinder head and a cylinder liner of the engine, the cylinder head gasket comprises: the protective layer is abutted on the bottom surface of the cylinder cover and is flat; the gas sealing functional layers are sequentially arranged below the protective layer from top to bottom, and a plurality of grooves or protrusions are formed on the gas sealing functional layers, so that the gas sealing functional layers form a corrugated shape; and the limiting layers are arranged between the adjacent air sealing functional layers, so that the cylinder head gasket has a preset thickness.
In use, a cylinder head gasket is placed between the cylinder block and the cylinder head, and the gap between the cylinder block and the cylinder head is sealed by the cylinder head gasket of the above application.
With respect to the related art described above, the inventors believe that when the engine is running, the cylinder head gasket is subjected to great pressure and heat, and if there are minute irregularities and gaps on the cylinder head gasket, the sealing effect of the cylinder head gasket is affected.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the cylinder head gasket solves the technical problem that when the engine runs, the cylinder head gasket bears huge pressure and heat, and if tiny unevenness and gaps exist on the cylinder head gasket, the sealing effect of the cylinder head gasket is affected.
The technical problems to be solved by the utility model are realized by adopting the following technical scheme:
scheme one: the sealing device comprises a cylinder head gasket, wherein connecting holes are formed in the cylinder head gasket, pressing plates are arranged on two sides of the cylinder head gasket, a sealing assembly is arranged between the pressing plates and the cylinder head gasket, and the sealing assembly seals a gap between the pressing plates and the cylinder head gasket.
Through adopting above-mentioned technical scheme, place the cylinder head gasket on the cylinder block, then connect the cylinder head on the cylinder block, when the cylinder head is connected on the cylinder block, clamp plate and seal assembly seal the clearance between cylinder head gasket and cylinder block, the cylinder head, when preventing engine operation, the cylinder head gasket is because bearing pressure and heat, leads to the cylinder head gasket to produce the clearance on cylinder block and cylinder head for the sealed effect of cylinder head gasket can promote.
Scheme II: based on the first scheme, some of the cylinder head gaskets are provided with supporting plates, one ends of the supporting plates are connected with the cylinder head gaskets, the other ends of the supporting plates incline to the side far away from the cylinder head gaskets, and a supporting surface is formed on one side, close to the cylinder head gaskets, of each supporting plate.
By adopting the technical scheme, the supporting plate is bent towards the two sides of the cylinder head gasket, so that the leakage of liquid in the engine can be reduced.
Scheme III: based on a second scheme, the sealing assembly comprises a sealing gasket, and the sealing gasket is abutted between the cylinder head gasket and the pressing plate.
By adopting the technical scheme, the sealing gasket is abutted between the pressing plate and the cylinder head gasket, so that the tightness between the cylinder body and the cylinder head is improved.
Scheme IV: based on the third aspect, a sealing protrusion is formed on the sealing pad, and the sealing protrusion extends to be close to the supporting surface.
By adopting the technical scheme, the sealing bulge seals the gap between the cylinder head gasket and the cylinder body as well as between the cylinder head gasket and the cylinder body, so that leakage of engine liquid can be reduced.
Scheme five: based on the fourth scheme, a pressing surface is formed between the sealing protrusion and the sealing gasket, and a pressing surface is formed on one side, close to the sealing gasket, of the pressing plate, and the pressing surface is abutted to the pressing surface.
By adopting the technical scheme, when the cylinder cover is connected to the cylinder body, the pressing plate presses the pressing surface between the sealing bulge and the sealing gasket through the pressing surface, so that the sealing bulge seals a gap between the cylinder body and the cylinder cover.
Scheme six: based on the first scheme, a supporting spring is arranged between the pressing plate and the cylinder head gasket, one end of the supporting spring is connected with the cylinder head gasket, and the other end of the supporting spring penetrates through the sealing gasket to be connected with the pressing plate.
By adopting the technical scheme, the pressure plates on two sides of the cylinder head gasket are abutted against the cylinder block and the cylinder head by the supporting springs, so that the tightness between the pressure plates and the corresponding cylinder block and between the pressure plates and the cylinder head is improved.
Scheme seven: based on scheme one, the clamp plate deviates from one side of cylinder head gasket is provided with the rubber pad, the rubber pad is connected on the clamp plate.
Through adopting above-mentioned technical scheme, the clamp plate supports tightly on cylinder block and cylinder head of both sides through the rubber pad for the leakproofness between clamp plate and corresponding cylinder block and the cylinder head can promote.
In summary, the utility model comprises at least one of the following beneficial technical effects of the cylinder head gasket of the engine:
1. the cylinder head gasket is placed on the cylinder block, then the cylinder head is connected to the cylinder block, when the cylinder head is connected to the cylinder block, the pressing plate and the sealing assembly seal gaps among the cylinder head gasket, the cylinder block and the cylinder head, so that when an engine runs, the cylinder head gasket is prevented from generating gaps among the cylinder head gasket, the cylinder block and the cylinder head due to bearing pressure and heat, and the sealing effect of the cylinder head gasket is improved;
2. the sealing effect among the cylinder head gasket, the cylinder body and the cylinder head is improved through the supporting surface on the supporting plate and the sealing bulge on the sealing gasket;
3. through setting up of supporting spring and rubber pad, the leakproofness between clamp plate and corresponding cylinder block and the cylinder head can be promoted.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a cylinder head gasket of an engine according to the present embodiment;
FIG. 2 is a cross-sectional view of the present embodiment embodying mainly the structure of a cylinder head gasket;
fig. 3 is an exploded schematic view mainly showing the structure of the cylinder head gasket of the present embodiment.
Reference numerals: 1. a cylinder head gasket; 11. a connection hole; 12. a support plate; 121. a support surface; 2. a pressing plate; 21. a pressing surface; 22. a support spring; 23. a rubber pad; 3. a seal assembly; 31. a sealing gasket; 32. a sealing protrusion; 33. and (5) extruding the surface.
Detailed Description
The utility model will be further described with reference to the following embodiments in order to make the technical means, the creation features, the achievement of the objects and the effects of the utility model easy to understand.
In the description of the present utility model, it should be understood that the terms "transverse", "longitudinal", "end", "edge", "side wall", "upper", "lower", "directly above", "surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "end", "head", "tail", etc. refer to the orientation or positional relationship based on the drawings, are merely for convenience of describing the technical solution of the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a cylinder head gasket of an engine.
Referring to fig. 1-2, a cylinder head gasket of an engine comprises a cylinder head gasket 1, wherein a connecting hole 11 is formed in the cylinder head gasket 1, pressing plates 2 are arranged on two sides of the cylinder head gasket 1, a sealing assembly 3 is arranged between the pressing plates 2 and the cylinder head gasket 1, a gap between the pressing plates 2 and the cylinder head gasket 1 is sealed by the sealing assembly 3, and the pressing plates 2 are abutted against cylinder blocks and cylinder heads on two sides of the cylinder head gasket 1.
When the cylinder head gasket 1 is used, the cylinder head gasket 1 is placed on the cylinder block, then the cylinder head is connected on the cylinder block, when the cylinder head is connected on the cylinder block, the pressing plate 2 and the sealing assembly 3 seal gaps between the cylinder head gasket 1 and the cylinder block as well as between the cylinder head and the cylinder head, so that when an engine is prevented from running, the cylinder head gasket 1 generates gaps between the cylinder head gasket 1 and the cylinder block and between the cylinder head gasket 1 and the cylinder head due to bearing pressure and heat, and the sealing effect of the cylinder head gasket 1 is improved.
Because the cylinder head gasket 1 needs to bear large pressure and heat between the cylinder block and the cylinder head, the cylinder head gasket 1 is integrally made of steel plates, so that the service life of the cylinder head gasket 1 is prolonged.
The connecting holes 11 are formed in the cylinder head gasket at intervals, when the cylinder head gasket is used, the connecting holes 11 in the cylinder head gasket 1 correspond to holes in the cylinder block, and then bolts sequentially penetrate through the cylinder head and the connecting holes 11 in the cylinder head gasket 1, so that the cylinder head can be connected to the cylinder block.
Referring to fig. 3, the edge of the cylinder head gasket 1 is provided with support plates 12, two support plates 12 are provided opposite to each other on one side of the cylinder head gasket 1, one ends of the two support plates 12 are integrally formed with the cylinder head gasket 1, the other ends are inclined toward the side away from the cylinder head gasket 1, and one side of the two support plates 12 close to the cylinder head gasket 1 is formed with a support surface 121.
When the cylinder head gasket is used, the cylinder block and the cylinder head are abutted against the supporting inclined surfaces of the supporting plate 12, and as the cylinder head is fixed on the cylinder block, the supporting plate 12 is gradually abutted against the cylinder block and the cylinder head on two sides through the supporting inclined surfaces, so that the tightness of the cylinder head gasket 1 to the cylinder block and the cylinder head is improved.
In order to further improve the sealing effect of the cylinder head gasket 1, after the improvement of the designer, the sealing assembly 3 comprises a sealing gasket 31, the sealing gasket 31 is made of rubber, a sealing protrusion 32 is formed on one side of the sealing gasket 31 close to the supporting plate 12, one side of the sealing protrusion 32 is integrally formed with the sealing gasket 31, the other side of the sealing protrusion 32 is close to the extension of the supporting plate 12, and when the cylinder head is connected to the cylinder block, the sealing protrusion 32 is abutted between the supporting plate 12 and the corresponding cylinder block and the cylinder head, so that the sealing performance between the supporting plate 12 and the cylinder block and the cylinder head is improved.
In addition, a pressing surface 33 is formed between the gasket 31 and the sealing protrusion 32, and a pressing surface 21 is formed on a side of the pressing plate 2 close to the gasket 31, and the pressing surface 21 abuts against the pressing surface 33, when the cylinder head is attached to the cylinder block, the pressing surface 21 on the pressing plate 2 abuts against the pressing surface 33 as the cylinder head is continuously screwed down, so that the sealing protrusion 32 is deformed to a side away from the gasket 31, and the sealing property between the gasket 31 and the sealing protrusion 32 abutting against the cylinder block and the cylinder head is improved.
In order to promote the stability of clamp plate 2 support on cylinder block and cylinder head during the installation, be provided with supporting spring 22 between clamp plate 2 and the cylinder head gasket 1, supporting spring 22 is provided with a plurality of at the interval between clamp plate 2 and cylinder head gasket 1, and the one end of cylinder head gasket 1 all is connected with cylinder head gasket 1, and the other end all passes sealing gasket 31 and is connected with clamp plate 2, when cylinder head gasket 1 is supported tightly between cylinder block and cylinder head, supporting spring 22 takes place to compress, through supporting spring 22 and sealing gasket 31's effect for the stability of clamp plate 2 support tightly on cylinder block and cylinder head can promote.
When the installation, if some piece drops on the surface of clamp plate 2 or the face of being connected of cylinder block and cylinder head, then can influence the leakproofness between clamp plate 2 and corresponding cylinder block and the cylinder head, consequently the designer improves the back, the clamp plate 2 deviates from one side of sealing washer 31 and is provided with rubber pad 23, rubber pad 23 connects in clamp plate 2 one side that deviates from rubber pad 23, when cylinder head gasket 1 is supported tightly between cylinder block and cylinder head, rubber pad 23 supports tightly between clamp plate 2 and corresponding cylinder block, cylinder head, even when the installation, there is some piece on clamp plate 2 surface, the piece also can imbed in rubber pad 23, prevent piece influence the leakproofness between clamp plate 2 and cylinder block, the cylinder head.
The implementation principle of the cylinder head gasket of the engine provided by the embodiment of the utility model is as follows: when the cylinder head gasket 1 is used, the cylinder head gasket 1 is placed on the cylinder block, the connecting hole 11 on the cylinder head gasket 1 corresponds to the hole on the cylinder block, then the cylinder head is installed, the rubber pads 23 on the pressing plates 2 on the two sides of the cylinder head gasket 1 are respectively abutted against the cylinder blocks on the two sides and the cylinder head along with the installation of the cylinder head, the supporting springs 22 between the pressing plates 2 and the cylinder head gasket 1 are compressed along with the continuous tightening of the cylinder head, then the pressing surface 21 on the pressing plate 2 presses the pressing surface 33 between the sealing gasket 31 and the sealing bulge 32, so that the sealing bulge 32 deforms towards the side close to the supporting plate 12, and the sealing bulge 32 is abutted against the cylinder blocks on the two sides and the cylinder head.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. The utility model provides a cylinder head gasket of engine, includes cylinder head gasket (1), connecting hole (11) have been seted up on cylinder head gasket (1), its characterized in that: the cylinder head gasket is characterized in that pressing plates (2) are arranged on two sides of the cylinder head gasket (1), a sealing assembly (3) is arranged between the pressing plates (2) and the cylinder head gasket (1), and the sealing assembly (3) seals a gap between the pressing plates (2) and the cylinder head gasket (1).
2. The cylinder head gasket of an engine of claim 1, wherein: some of the cylinder head gaskets (1) are provided with support plates (12), one ends of the support plates (12) are connected with the cylinder head gaskets (1), the other ends of the support plates are inclined towards the side far away from the cylinder head gaskets (1), and a support surface (121) is formed on the side, close to the cylinder head gaskets (1), of the support plates (12).
3. The cylinder head gasket of an engine of claim 2, wherein: the sealing assembly (3) comprises a sealing gasket (31), and the sealing gasket (31) is abutted between the cylinder head gasket (1) and the pressing plate (2).
4. A cylinder head gasket for an engine according to claim 3, wherein: a sealing protrusion (32) is formed on the sealing gasket (31), and the sealing protrusion (32) extends to be close to the supporting surface (121).
5. The engine cylinder head gasket as set forth in claim 4 wherein: an extrusion surface (33) is formed between the sealing bulge (32) and the sealing gasket (31), a pressing surface (21) is formed on one side, close to the sealing gasket (31), of the pressing plate (2), and the pressing surface (21) is in interference with the extrusion surface (33).
6. The cylinder head gasket of an engine of claim 5, wherein: a supporting spring (22) is arranged between the pressing plate (2) and the cylinder head gasket (1), one end of the supporting spring (22) is connected with the cylinder head gasket (1), and the other end of the supporting spring penetrates through the sealing gasket (31) to be connected with the pressing plate (2).
7. The cylinder head gasket of an engine of claim 1, wherein: one side of the pressing plate (2) deviating from the cylinder head gasket (1) is provided with a rubber pad (23), and the rubber pad (23) is connected to the pressing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321380503.7U CN219733525U (en) | 2023-06-01 | 2023-06-01 | Cylinder head gasket of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321380503.7U CN219733525U (en) | 2023-06-01 | 2023-06-01 | Cylinder head gasket of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733525U true CN219733525U (en) | 2023-09-22 |
Family
ID=88026185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321380503.7U Active CN219733525U (en) | 2023-06-01 | 2023-06-01 | Cylinder head gasket of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733525U (en) |
-
2023
- 2023-06-01 CN CN202321380503.7U patent/CN219733525U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |