CN211852012U - Sealing cylinder gasket - Google Patents
Sealing cylinder gasket Download PDFInfo
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- CN211852012U CN211852012U CN202020356879.4U CN202020356879U CN211852012U CN 211852012 U CN211852012 U CN 211852012U CN 202020356879 U CN202020356879 U CN 202020356879U CN 211852012 U CN211852012 U CN 211852012U
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- cylinder gasket
- cylinder
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Abstract
The utility model discloses a sealed cylinder gasket, including sealed cylinder gasket body, its characterized in that: the sealing cylinder gasket body comprises a first cylinder gasket and a second cylinder gasket, wherein four end corners of the first cylinder gasket are respectively provided with a semicircular protruding ring, a fixing hole is formed in the protruding ring, a circular sealing opening is formed in the center of the first cylinder gasket, a sealing groove is formed in the bottom surface of the circumference of the circular sealing opening, a sealing ring is embedded in the sealing groove, the second cylinder gasket is axially arranged on one side of the first cylinder gasket, the second cylinder gasket is rectangular, a long sealing opening is formed in the second cylinder gasket, and two fixing parts are arranged on the outer side of the second cylinder gasket; the utility model discloses a sealed effect of sealed cylinder gasket realizes high efficiency, durable, environmental protection, can be applied to car, motorcycle engine cylinder seal and the refrigeration compressor is sealed.
Description
Technical Field
The utility model relates to the technical field of cylinders, specifically a sealed cylinder gasket.
Background
The sealing cylinder gasket is also called as a cylinder gasket and is positioned between the cylinder cover and the cylinder body, and the sealing cylinder gasket is used for filling up microscopic pores between the cylinder body and the cylinder cover, ensuring that a joint surface has good sealing property, further ensuring the sealing of a combustion chamber and preventing the air leakage of the cylinder and the water leakage of a water jacket. Depending on the material, the sealing cylinder gasket may be classified into a metal-asbestos gasket, a metal-composite gasket, an all-metal gasket, and the like. The sealed cylinder gasket is a seal between the top surface of the block and the bottom surface of the cylinder head. The function of the sealing device is to keep the cylinder sealed and airtight, and to keep the cooling liquid and the engine oil flowing from the engine body to the cylinder cover from leaking. The sealed cylinder gasket is subjected to pressure caused when the cylinder head bolt is tightened, and is subjected to high temperature and high pressure of combustion gas in the cylinder and corrosion of engine oil and coolant. The sealed cylinder liner should have sufficient strength and be pressure, heat and corrosion resistant. In addition, certain elasticity is required to compensate for roughness and unevenness of the top surface of the engine body and the bottom surface of the cylinder head, and deformation of the cylinder head due to gas force during operation of the engine. Therefore, the sealing cylinder gasket is used in a plurality of fields, such as cylinders of automobiles, motorcycle engines and cylinders of refrigeration compressors, however, the existing cylinders are irregular in cylinder body shape, and are required to be formed in a plurality of different shapes, and the existing sealing for the irregular cylinders mostly adopts the sealing cylinder gasket with a fixed integral structure, so that the sealing for the irregular cylinders is inconvenient to combine and adjust, materials are easily wasted, and the sealing performance is not good due to different materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a sealing cylinder gasket.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a kind of sealed cylinder gasket, including the sealed cylinder gasket body, characterized by: the sealing cylinder gasket body comprises a first cylinder gasket and a second cylinder gasket, wherein four end corners of the first cylinder gasket are respectively provided with a semicircular protruding ring, a fixing hole is formed in the protruding ring, a circular sealing opening is formed in the center of the first cylinder gasket, a sealing groove is formed in the bottom surface of the circumference of the circular sealing opening, a sealing ring is embedded in the sealing groove, the second cylinder gasket is axially arranged on one side of the first cylinder gasket, the second cylinder gasket is rectangular, a long sealing opening is formed in the second cylinder gasket, and two fixing parts are arranged on the outer side of the second cylinder gasket;
the sealing cylinder gasket is of a two-layer structure, and is a composite manufacturing sealing structure formed by nitrile rubber and fluororubber from top to bottom, wherein the nitrile rubber is fixedly arranged on the surface of the fluororubber.
Furthermore, one side of the cylinder gasket is provided with two open shaft parts, and one side of the cylinder gasket is provided with a matching shaft part clamped on the two open shaft parts.
Further, a shaft body is fixed in the coupling shaft portion, and the front end and the rear end of the shaft body respectively penetrate through the shaft portion.
Furthermore, two long fixing blocks which are arranged oppositely are arranged in the cylinder gasket II.
Furthermore, the two fixing parts comprise a fixing ring and inclined blocks which connect two sides of the fixing ring to the outer side surface of the cylinder gasket and are arranged obliquely.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: this application is through the axle dress structure of cylinder gasket one and two, be convenient for adjust the installation and the protruding circle that cylinder gasket one was equipped with and the fixed part that is equipped with on the cylinder gasket, easily through bolt fixed mounting on the cylinder, and what sealed cylinder gasket in this application adopted is that nitrile rubber and fluororubber are compound to be made sealed, greatly reduced rubber compression deformation rate under the high temperature, improve the intensity and the heat stability of rubber, consequently, sealed effect realizes high efficiency, it is durable, the environmental protection, wide application is sealed with the refrigeration compressor in car, motorcycle engine cylinder.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a cylinder gasket according to the present invention;
FIG. 3 is a schematic structural view of a second cylinder gasket of the present invention;
FIG. 4 is a schematic view of the multi-layer structure of the present invention;
in the figure: the cylinder gasket comprises a cylinder gasket body 1, a first cylinder gasket 2, a protruding ring 21, a fixing hole 22, a shaft part 23, a second cylinder gasket 3, a circular sealing opening 31, a sealing groove 32, a sealing ring 33, a long sealing opening 34, a matching shaft part 35, a shaft body 36, a long fixing block 37, a fixing part 4, a fixing ring 41, an inclined block 42, a multilayer structure 5, nitrile rubber 51 and fluororubber 52.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-4, the technical solution provided by the present invention is: a sealed cylinder gasket comprises a sealed cylinder gasket body 1, wherein the sealed cylinder gasket body can be used for sealing an automobile, a motorcycle engine cylinder and a refrigeration compressor, the sealed cylinder gasket body 1 comprises a cylinder gasket I2 and a cylinder gasket II 3, four end angles of the cylinder gasket I2 are respectively provided with a semicircular protruding ring 21, a fixing hole 22 is formed in the protruding ring 21 and used for sealing and aligning a cylinder screw part, a round sealing opening 31 is formed in the center position of the cylinder gasket I2 and used for aligning and sealing the cylinder opening, a sealing groove 32 is formed along the circumference of the round sealing opening 31, a sealing ring 33 is embedded in the sealing groove 32 and used for sealing the cylinder opening, the cylinder gasket II 3 is axially arranged on one side of the cylinder gasket I2 and can be used for finely adjusting the axial installation angles of the cylinder gasket I and II, the cylinder gasket II 3 is in a rectangular shape, and a long sealing opening 34 is formed in the cylinder gasket II 3, two fixing parts 4 are arranged on the outer side of the second cylinder gasket 3; the cylinder gasket is a combination of circular and rectangular cylinders, commonly found in automotive and motorcycle engine cylinder seals and refrigeration compressor seals, as is known from the connection of cylinder gaskets one and two.
The sealing cylinder gasket 5 in the upper palm has a two-layer structure, which is a composite manufacturing sealing structure formed by nitrile rubber 51 and fluororubber 52 from top to bottom. The nitrile rubber is prepared from butadiene and acrylonitrile by an emulsion polymerization method, is mainly produced by a low-temperature emulsion polymerization method, and has the advantages of excellent oil resistance, higher wear resistance, better heat resistance and strong bonding force. The disadvantages are poor low temperature resistance, ozone resistance, poor insulation properties and slightly low elasticity. The nitrile rubber is mainly used for manufacturing oil-resistant rubber products. A synthetic rubber is prepared by copolymerizing butadiene with acrylonitrile. The rubber is a synthetic rubber with better oil resistance (especially alkane oil) and aging resistance. The fluororubber is a synthetic polymer elastomer containing fluorine atoms on carbon atoms of a main chain or a side chain, and nitrile rubber is fixed on the surface of the fluororubber to form a composite structure.
The above-mentioned one side of the said cylinder gasket 2 has shaft portions 23 of two openings, one side of the said cylinder gasket 3 has matching shaft portions 35 clamped to the shaft portions 23 of two openings.
The shaft 36 is fixed in the coupling shaft 35, and the front and rear ends thereof pass through the shaft 23, so that the connection angle between the first and second cylinder pads can be adjusted with the shaft as the axis.
Two opposite long fixing blocks 37 are arranged inside the second cylinder gasket 3.
The two fixing portions 4 include a fixing ring 41 and inclined blocks 42 which are obliquely arranged to connect both sides of the fixing ring 41 to the outer side of the cylinder gasket.
Example two
The structure of the sealing cylinder gasket of the present application is described by the description and the attached drawings 1-4, and the installation manner of the sealing cylinder gasket is described here:
in the installation, the fixing hole on the protruding ring arranged on the first cylinder gasket is fixed in the corresponding fixing hole arranged on the cylinder body through a bolt, and then after the angle of the second cylinder gasket axially arranged on one side of the cylinder gasket is adjusted, the second cylinder gasket is fixed on the other side of the cylinder through the bolt, so that the installation is completed, and the installation is very convenient.
This application is through the axle dress structure of cylinder gasket one and two, be convenient for adjust the installation and the protruding circle that cylinder gasket one was equipped with and the fixed part that is equipped with on the cylinder gasket, easily through bolt fixed mounting on the cylinder, and what sealed cylinder gasket in this application adopted is that nitrile rubber and fluororubber are compound to be made sealed, greatly reduced rubber compression deformation rate under the high temperature, improve the intensity and the heat stability of rubber, consequently, sealed effect realizes high efficiency, it is durable, the environmental protection, wide application is sealed with the refrigeration compressor in car, motorcycle engine cylinder.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A kind of sealed cylinder gasket, including the sealed cylinder gasket body, characterized by: the sealing cylinder gasket body comprises a first cylinder gasket and a second cylinder gasket, wherein four end corners of the first cylinder gasket are respectively provided with a semicircular protruding ring, a fixing hole is formed in the protruding ring, a circular sealing opening is formed in the center of the first cylinder gasket, a sealing groove is formed in the bottom surface of the circumference of the circular sealing opening, a sealing ring is embedded in the sealing groove, the second cylinder gasket is axially arranged on one side of the first cylinder gasket, the second cylinder gasket is rectangular, a long sealing opening is formed in the second cylinder gasket, and two fixing parts are arranged on the outer side of the second cylinder gasket;
the sealing cylinder gasket is of a two-layer structure, and is a composite manufacturing sealing structure formed by nitrile rubber and fluororubber from top to bottom, wherein the nitrile rubber is fixedly arranged on the surface of the fluororubber.
2. The sealed cylinder gasket as claimed in claim 1, wherein: one side of the cylinder gasket is provided with two open shaft parts, and one side of the cylinder gasket is provided with a matching shaft part clamped on the two open shaft parts.
3. The sealed cylinder gasket as claimed in claim 2, wherein: a shaft body is fixed in the matching shaft part, and the front end and the rear end of the shaft body respectively penetrate through the shaft part.
4. The sealed cylinder gasket as claimed in claim 1, wherein: two opposite long fixing blocks are arranged inside the cylinder gasket II.
5. The sealed cylinder gasket as claimed in claim 1, wherein: the two fixing parts comprise a fixing ring and inclined blocks which connect the two sides of the fixing ring to the outer side surface of the cylinder gasket and are arranged obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020356879.4U CN211852012U (en) | 2020-03-20 | 2020-03-20 | Sealing cylinder gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020356879.4U CN211852012U (en) | 2020-03-20 | 2020-03-20 | Sealing cylinder gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211852012U true CN211852012U (en) | 2020-11-03 |
Family
ID=73135520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020356879.4U Active CN211852012U (en) | 2020-03-20 | 2020-03-20 | Sealing cylinder gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211852012U (en) |
-
2020
- 2020-03-20 CN CN202020356879.4U patent/CN211852012U/en active Active
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