CN218206872U - Light truck engine cylinder head gasket - Google Patents
Light truck engine cylinder head gasket Download PDFInfo
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- CN218206872U CN218206872U CN202222449967.0U CN202222449967U CN218206872U CN 218206872 U CN218206872 U CN 218206872U CN 202222449967 U CN202222449967 U CN 202222449967U CN 218206872 U CN218206872 U CN 218206872U
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- gasket
- gasket main
- cylinder head
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Abstract
The utility model discloses a light truck engine cylinder head gasket, including the gasket main part, the gasket main part is the rectangle, and the gasket main part divide into elasticity rubber layer and anti-corrosion coating, and anti-corrosion coating fixed connection is in elasticity rubber layer both sides, and the coating has fluorine rubber coating on the anti-corrosion coating surface, and fixedly connected with edge banding strip on the elasticity rubber layer, edge banding strip are the elasticity material, are equipped with the water channel hole between the edge banding strip, and the water channel hole is seted up on the gasket main part surface; compared with the prior art, utility model discloses a bolt hole, locating hole, water passage hole all leave the surplus on tolerance and position degree, prevent the seepage here, must with cylinder head lower surface figure and the cylinder body upper surface figure overlap together the back with surface contact about the cylinder gasket after, just can draw sealed muscle shape, and the size through the bolt hole guarantees the optimal scheme that bolt packing force action point was selected, thereby reach the effect that alleviates cylinder liner stress and deformation and guaranteed sealed reliability.
Description
Technical Field
The utility model relates to a seal structure technical field specifically is a light truck engine cylinder head gasket.
Background
Due to the requirements of energy conservation and environmental protection, light weight has become a source of development of automobiles in the world, the reduction of the whole automobile quality of the automobile can improve fuel efficiency and reduce oil consumption, an engine occupies a large proportion on the automobile, the weight of the engine becomes an industry concern, a cylinder head gasket is used as a part of the engine and also reduces the weight of the engine on the premise of adapting to the light weight engine, the cylinder head gasket is an important part of the engine and is arranged between a cylinder head and a cylinder block of the engine to play a role in adjusting compression clearance and sealing, and fuel gas, cooling liquid and lubricating oil are sealed and exploded, but can be leaked after being used for a long time to influence the normal operation of the cylinder, so the light truck engine cylinder head gasket is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light calorie of engine cylinder head gasket to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a cylinder head gasket of a light truck engine comprises a gasket main body, wherein the gasket main body is rectangular and comprises an elastic rubber layer and an anti-corrosion layer, the anti-corrosion layer is fixedly connected to two sides of the elastic rubber layer, and fluororubber paint is coated on the surface of the anti-corrosion layer;
the gasket is characterized in that the elastic rubber layer is fixedly connected with edge sealing strips, the edge sealing strips are made of elastic materials, water channel holes are formed among the edge sealing strips, the water channel holes are formed in the surface of the gasket body, fluororubber paint is coated on the surface of the anti-corrosion layer, directional positioning screen printing coating is carried out on the sealing strip of the key contact part, and the sealing reliability of the gasket is further accurately and effectively guaranteed.
Preferably, the elastic rubber layer is composed of 30% of fluororubber, 20% of nitrile rubber, 25% of acrylic rubber and 25% of styrene-butadiene rubber.
Preferably, a plurality of spacing mouths have been seted up on the gasket main part lateral wall, spacing interface is the rectangle, fixed connection flexible piece on the spacing mouthful inner wall, and seted up the constant head tank on the flexible piece, can install fast spacing to the gasket under the effect of constant head tank.
Preferably, the water passage holes are uniformly arranged on the surface of the gasket main body in an array, and the inner diameter of each water passage hole is
The water channel holes are sealed by an integral area, all the water channel holes in the area are communicated with each other, and all the contained bolt holes in the area are independently pressed with reversed Z-shaped sealing ribs, so that the sealing area is separated from the water channel.
Preferably, a plurality of bolt holes are formed in the gasket main body, sealing rings are fixedly connected to the inner walls of the bolt holes and made of rubber, and the inner diameters of the bolt holes are
The surface of the gasket main body is provided with a plurality of positioning holes, and the inner diameters of the positioning holes are
All leave the surplus on tolerance and position degree through bolt hole, locating hole, water channel hole, prevent here seepage, must overlap together with cylinder head lower surface figure and the cylinder body upper surface figure overlap back with surface contact about the cylinder pad, just can draw sealed muscle shape, and guarantee the optimum plan that bolt packing force action point was selected through the size of bolt hole, thereby reach the effect that alleviates cylinder liner stress and deformation and guaranteed sealed reliability.
Preferably, the inside fixedly connected with supporting framework of banding strip, supporting framework is the memory metal material.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that the bolt holes, the positioning holes and the water channel holes are provided with allowance on tolerance and position degree, so as to prevent leakage, and the sealing rib shape can be drawn only after the graph of the lower surface of the cylinder cover contacting with the upper surface and the lower surface of the cylinder cushion is overlapped with the graph of the upper surface of the cylinder body;
2. the utility model coats the fluororubber coating on the surface of the anti-corrosion layer, and carries out directional positioning screen printing coating on the sealing strip of the key contact part, thereby further accurately and effectively ensuring the sealing reliability;
3. the utility model ensures the optimal scheme of selecting the pressing force action point of the bolt through the size of the bolt hole, and achieves the effect of reducing the stress and deformation of the cylinder sleeve, thereby ensuring the reliability of sealing;
4. the utility model discloses a water course hole is sealed by a whole region, and all water course holes communicate each other in this region, and all bolt holes contained suppress reverse Z shape sealing rib alone in the region, make its sealing area part with the water course.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention in a partial cross-sectional view;
FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 1 according to the present invention;
in the figure: 1. a gasket body; 2. an elastic rubber layer; 3. an anti-corrosion layer; 4. a seal ring; 11. positioning holes; 12. bolt holes; 13. a limiting port; 14. an edge banding; 15. a water passage hole; 16. and supporting the framework.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a cylinder head gasket of a light truck engine comprises a gasket main body 1, wherein the gasket main body 1 is rectangular, the gasket main body 1 is divided into an elastic rubber layer 2 and an anti-corrosion layer 3, the anti-corrosion layer 3 is fixedly connected to two sides of the elastic rubber layer 2, and fluororubber paint is coated on the surface of the anti-corrosion layer 3;
fixedly connected with edge banding 14 on the elastic rubber layer 2, edge banding 14 are the elasticity material, are equipped with water passage hole 15 between edge banding 14, and water passage hole 15 is seted up at gasket main part 1 on the surface, through at anti-corrosion coating 3 on the surface coating fluororubber coating, carries out directional location screen printing to the sealing strip of key contact part and coats, further accurate effectual assurance its reliability of sealing.
The elastic rubber layer 2 is composed of 30% of fluororubber, 20% of nitrile rubber, 25% of acrylic rubber and 25% of styrene-butadiene rubber.
Seted up a plurality of spacing mouths 13 on the 1 lateral wall of gasket main part, spacing interface 13 is the rectangle, and fixed connection has the flexure strip on the 13 inner walls of spacing mouth, and has seted up the constant head tank on the flexure strip, can install the gasket fast spacingly under the effect of constant head tank.
The water channel holes 15 are uniformly arrayed on the surface of the gasket main body 1, and the inner diameter of each water channel hole 15 is
The channel holes 15 are sealed by an integral area in which all the channel holes are interconnected, and all the bolt holes included in the area are independently pressed with inverted Z-shaped sealing ribs to separate the sealing area from the channel.
A plurality of bolt holes 12 are formed in the gasket main body 1, a sealing ring 4 is fixedly connected to the inner wall of each bolt hole 12, the sealing ring 4 is made of rubber, and the inner diameter of each bolt hole 12 is
The surface of the gasket main body 1 is provided with a plurality of positioning holes 11, and the inner diameters of the positioning holes 11 are
The bolt holes 12, the positioning holes 11 and the water channel holes 15 are provided with allowance on tolerance and position degree, leakage at the position is prevented, sealing rib shapes can be drawn only after the patterns on the lower surface of the cylinder cover, which are in contact with the upper surface and the lower surface of the cylinder cushion, are overlapped with the patterns on the upper surface of the cylinder body, the optimal scheme selected by the action point of the pressing force of the bolt is ensured through the size of the bolt holes 12, and the effects of reducing the stress and deformation of the cylinder cushion are achieved, so that the sealing reliability is ensured.
The inside of the edge banding 14 is fixedly connected with a supporting framework 16, and the supporting framework 16 is made of memory metal.
The working principle is as follows: the method comprises the steps of firstly, reserving allowance on tolerance and position degree through bolt holes 12, positioning holes 11 and water channel holes 15 to prevent leakage at the positions, drawing sealing ribs only after overlapping a cylinder cover lower surface graph and a cylinder body upper surface graph which are in contact with the upper surface and the lower surface of a cylinder cushion, and then drawing sealing ribs to enhance the sealing effect, coating fluororubber paint on the surface of an anti-corrosion layer 3, performing directional positioning screen printing coating on a sealing strip of a key contact part, further accurately and effectively ensuring the sealing reliability of the sealing ribs, effectively reducing the quality probability of manual printing due to personal negligence through an automatic screen printing technology, improving the printing quality while improving the printing efficiency to enable the sealing reliability of the product to be improved greatly, ensuring the optimal scheme of selecting a bolt pressing force action point through the size of a bolt hole 12 to achieve the effect of reducing the stress and deformation of a cylinder sleeve to ensure the sealing reliability, sealing the water channel holes 15 are sealed through an integral area, wherein all the water channel holes in the area are communicated with each other, and all the reverse Z-shaped sealing ribs in the area are independently pressed to separate a water channel from the water channel.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a light truck engine cylinder head gasket, includes gasket main part (1), its characterized in that: the gasket main body (1) is rectangular, the gasket main body (1) is divided into an elastic rubber layer (2) and an anti-corrosion layer (3), the anti-corrosion layer (3) is fixedly connected to two sides of the elastic rubber layer (2), and fluororubber paint is coated on the surface of the anti-corrosion layer (3);
fixedly connected with edge banding (14) on elastic rubber layer (2), edge banding (14) are the elasticity material, be equipped with water passage hole (15) between edge banding (14), water passage hole (15) are seted up on gasket main part (1) on the surface.
2. A light truck engine cylinder head gasket as set forth in claim 1 wherein: a plurality of limiting openings (13) are formed in the side wall of the gasket main body (1), the limiting openings (13) are rectangular, elastic pieces are fixedly connected to the inner wall of each limiting opening (13), and positioning grooves are formed in the elastic pieces.
3. A light truck engine cylinder head gasket as set forth in claim 1 wherein: the water channel holes (15) are uniformly arranged on the surface of the gasket main body (1) in an array mode, and the inner diameter of each water channel hole (15) is phi 101mm +0.5.
4. A light truck engine cylinder head gasket as defined in claim 1 wherein: a plurality of bolt holes (12) are formed in the gasket main body (1), a sealing ring (4) is fixedly connected to the inner wall of each bolt hole (12), the sealing ring (4) is made of rubber, the inner diameter of each bolt hole (12) is phi 13mm +0.3, a plurality of positioning holes (11) are formed in the surface of the gasket main body (1), and the inner diameter of each positioning hole (11) is phi 16.2mm +0.2.
5. A light truck engine cylinder head gasket as set forth in claim 1 wherein: the interior of the edge sealing strip (14) is fixedly connected with a supporting framework (16), and the supporting framework (16) is made of memory metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449967.0U CN218206872U (en) | 2022-09-16 | 2022-09-16 | Light truck engine cylinder head gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449967.0U CN218206872U (en) | 2022-09-16 | 2022-09-16 | Light truck engine cylinder head gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218206872U true CN218206872U (en) | 2023-01-03 |
Family
ID=84632764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222449967.0U Active CN218206872U (en) | 2022-09-16 | 2022-09-16 | Light truck engine cylinder head gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218206872U (en) |
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2022
- 2022-09-16 CN CN202222449967.0U patent/CN218206872U/en active Active
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