CN219654790U - Sealing gasket with anti-seismic function - Google Patents
Sealing gasket with anti-seismic function Download PDFInfo
- Publication number
- CN219654790U CN219654790U CN202321145289.7U CN202321145289U CN219654790U CN 219654790 U CN219654790 U CN 219654790U CN 202321145289 U CN202321145289 U CN 202321145289U CN 219654790 U CN219654790 U CN 219654790U
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- Prior art keywords
- gasket
- sealing
- seal
- upper gasket
- outer seal
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- 238000007789 sealing Methods 0.000 title claims abstract description 37
- 230000000703 anti-shock Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 description 20
- 230000006835 compression Effects 0.000 description 19
- 229920001971 elastomer Polymers 0.000 description 5
- 229920001973 fluoroelastomer Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012210 heat-resistant fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a sealing gasket with an anti-seismic function, which comprises an upper gasket and a lower gasket, wherein the upper gasket comprises a gasket body, a plurality of first bolt holes are formed in the gasket body, an outer seal and an inner seal are fixedly connected between the upper gasket and the lower gasket, and a gap exists between the outer seal and the inner seal. According to the utility model, the outer seal and the inner seal are arranged between the upper gasket and the lower gasket, so that sealing can be realized, and meanwhile, a cavity is formed at the gap between the outer seal and the inner seal, so that the lower gasket and the upper gasket have certain elasticity at the cavity, the shock resistance of the sealing gasket is improved, the cracking and damage probability of the sealing gasket caused by engine vibration is reduced, the service life of the sealing gasket is prolonged, the replacement frequency of the sealing gasket is further reduced, and manpower and material resources are saved.
Description
Technical Field
The utility model relates to the field of parts for aeroengines, in particular to a sealing gasket with an anti-vibration function.
Background
An aeroengine is a highly complex and precise thermodynamic machine, and provides power required by flight for an aircraft, and modern aeroengines mainly have two types: "piston engines" and "jet engines", which are commonly used for low speed, small, short range aircraft; high speed, large (medium) range aircraft are commonly known as "jet engines". The piston engine is also called a reciprocating engine, and is an engine for converting pressure into rotational kinetic energy by using one or more pistons, the piston aeroengine is a reciprocating internal combustion engine for providing flight power for an aircraft, a 4-stroke gasoline engine ignited by a spark plug, the crankshaft rotates for two circles, each piston reciprocates in a cylinder for 4 times to complete a cycle, each piston moves for one stroke, and the 4 strokes are sequentially air intake, compression, expansion and exhaust, and the piston aeroengine mainly comprises a crankshaft, a connecting rod, the piston, the cylinder, an air distributing mechanism, a casing and the like.
Because the piston aeroengine is operated, the piston is required to apply work to the outside to output chemical energy in a kinetic energy mode, the gasket in the piston aeroengine is required to have stronger anti-vibration performance to cope with vibration generated by the piston in the working process, but the existing sealing gasket structure for the aeroengine is usually a metal sheet, has weak anti-vibration capability, and is easy to break or damage when encountering severe vibration, so that the sealing cannot be realized.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a sealing gasket with an anti-seismic function.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a sealing gasket with antidetonation function, includes gasket and lower gasket, go up the gasket and include the gasket body, a plurality of first bolt holes have been seted up on the gasket body, go up the gasket with fixedly connected with outer strip of paper used for sealing and interior strip of paper used for sealing down between the gasket, outer strip of paper used for sealing with there is the clearance between the interior strip of paper used for sealing.
Specifically, the outer seal and the inner seal can be made of low-compression-set fluororubber, and the used sizing materials have the performance requirements specified by aviation low-compression-set fluororubber.
Preferably, the upper gasket is provided with a plurality of first alignment holes and a plurality of second alignment holes.
Specifically, the alignment holes are used for positioning and mounting among related procedures, so that the unification of the datum is achieved to ensure the position precision among all the processing surfaces.
Preferably, the lower gasket and the upper gasket have the same structure, the lower gasket is positioned below the upper gasket, and a gap exists between the bottom of the upper gasket and the lower gasket.
Specifically, the upper gasket and the lower gasket are both made of metal composite plates, and are high-quality asbestos-free fiber sealing materials, high-temperature resistant and corrosion resistant, so that the use safety is ensured.
Preferably, the outer seal is provided with a plurality of second bolt holes, and the second bolt holes are in one-to-one correspondence with the first bolt holes.
Preferably, the outer seal is located at the edges of the outer rings of the upper gasket and the lower gasket, and the top and the bottom of the outer seal are fixedly connected with the bottom of the upper gasket and the top of the lower gasket respectively.
Preferably, the inner seal is located at the edges of the inner rings of the upper gasket and the lower gasket, and the top and the bottom of the inner seal are fixedly connected with the bottom of the upper gasket and the top of the lower gasket respectively.
The utility model has the following beneficial effects:
according to the utility model, the outer seal and the inner seal are arranged between the upper gasket and the lower gasket, so that sealing can be realized, and meanwhile, a cavity is formed at the gap between the outer seal and the inner seal, so that the lower gasket and the upper gasket have certain elasticity at the cavity, the shock resistance of the sealing gasket is improved, the cracking and damage probability of the sealing gasket caused by engine vibration is reduced, the service life of the sealing gasket is prolonged, the replacement frequency of the sealing gasket is further reduced, and manpower and material resources are saved.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a gasket seal with anti-seismic function according to the present utility model;
FIG. 2 is a schematic diagram of the overall structure of a gasket seal with anti-seismic function according to the present utility model;
fig. 3 is a schematic structural diagram of a lower gasket, an inner seal and an outer seal of a sealing gasket with anti-seismic function according to the present utility model.
In the figure: 1. a gasket is arranged on the upper part; 101. a gasket body; 102. a first bolt hole; 103. a first alignment hole; 104. a second alignment hole; 2. a lower gasket; 3. an outer seal; 301. a second bolt hole; 4. an inner seal.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a sealing gasket with anti-vibration function comprises an upper gasket 1 and a lower gasket 2, wherein the upper gasket 1 comprises a gasket body 101, a plurality of first bolt holes 102 are formed in the gasket body 101, an outer seal 3 and an inner seal 4 are fixedly connected between the upper gasket 1 and the lower gasket 2, and a gap exists between the outer seal 3 and the inner seal 4.
Specifically, the outer seal 3 and the inner seal 4 may be made of a low compression set fluororubber material, and the rubber material used therein has performance requirements specified by "low compression set fluororubber for aviation".
In this embodiment, the upper gasket 1 is provided with a plurality of first alignment holes 103 and a plurality of second alignment holes 104.
Specifically, the alignment holes are used for positioning and mounting among related procedures, so that the unification of the datum is achieved to ensure the position precision among all the processing surfaces.
In this embodiment, the lower gasket 2 has the same structure as the upper gasket 1, and the lower gasket 2 is located below the upper gasket 1, and a gap exists between the bottom of the upper gasket 1 and the lower gasket 2.
Specifically, the upper gasket 1 and the lower gasket 2 are made of metal composite plates, and are high-quality asbestos-free fiber sealing materials, high-temperature resistant and corrosion resistant, so that the use safety is ensured.
In this embodiment, the outer seal 3 is provided with a plurality of second bolt holes 301, and the second bolt holes 301 are in one-to-one correspondence with the first bolt holes 102.
In this embodiment, the outer seal 3 is located at the outer ring edges of the upper gasket 1 and the lower gasket 2, and the top and the bottom of the outer seal 3 are fixedly connected with the bottom of the upper gasket 1 and the top of the lower gasket 2 respectively.
In this embodiment, the inner seal 4 is located at the edges of the inner rings of the upper gasket 1 and the lower gasket 2, and the top and the bottom of the inner seal 4 are fixedly connected with the bottom of the upper gasket 1 and the top of the lower gasket 2 respectively.
In the utility model, the bottom of the upper gasket 1 and the top of the lower gasket 2 are connected by the outer gasket 3 and the inner gasket 4, and because a gap exists between the upper gasket 1 and the lower gasket 2 and a gap exists between the outer gasket 3 and the inner gasket 4, a closed damping cavity is formed between the upper gasket 1 and the lower gasket 4, so that the sealing performance is ensured, and meanwhile, the damping and buffering effects can be achieved, thereby reducing the cracking and damage caused by severe vibration to the sealing gasket, prolonging the service life of the sealing gasket, the upper gasket 1 and the lower gasket 2 are both made of metal composite plates and high-quality asbestos-free fiber sealing materials, the asbestos-free gasket is formed by precisely compressing and combining aramid fibers as main materials, high-temperature-resistant rubber, special heat-resistant fibers, glass fibers, reinforcing materials and the like, the high-temperature-resistant corrosion-resistant performance can ensure the use safety, the positioning and installation between a plurality of alignment holes 103 and a plurality of alignment holes 104 formed on the upper gasket 1 and the lower gasket 2 are used for relevant processes, the standard is unified, the position precision between each processing surface is ensured, the outer gasket 3 and the inner gasket 4 are made of low-compression permanent deformation fluororubber materials, the used sizing rubber materials are used for the aviation rubber materials, the compression rubber materials have the low compression performance is required to be better than the standard of the low compression performance and the temperature is required to be higher than the normal compression performance to be higher than or the compression performance is higher than the standard to be lower than the compression performance to be equal to the temperature to the standard to the temperature of the compression performance of the standard to be lower than the temperature to be lower than the standard to be lower than the compression performance to be the standard and the compression performance to be the standard to be lower temperature and the compression performance to be reach the standard to be the compression performance to be the temperature standard and the compression performance to be the temperature standard to be the compression performance to be the temperature to be reach the compression performance to be and the temperature to be and the compression performance to be and to be the compression performance.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a sealing gasket with antidetonation function, includes gasket (1) and lower gasket (2), its characterized in that, go up gasket (1) including gasket body (101), a plurality of first bolt holes (102) have been seted up on gasket body (101), go up gasket (1) with fixedly connected with outer strip of paper used for sealing (3) and interior strip of paper used for sealing (4) between gasket (2) down, outer strip of paper used for sealing (3) with there is the clearance between the interior strip of paper used for sealing (4).
2. The sealing gasket with the anti-seismic function according to claim 1, wherein the upper gasket (1) is provided with a plurality of first alignment holes (103) and a plurality of second alignment holes (104).
3. A sealing gasket with anti-shock function according to claim 2, characterized in that the lower gasket (2) has the same structure as the upper gasket (1), the lower gasket (2) is located below the upper gasket (1), and a gap exists between the bottom of the upper gasket (1) and the lower gasket (2).
4. The sealing gasket with the anti-seismic function according to claim 1, wherein a plurality of second bolt holes (301) are formed in the outer seal (3), and the second bolt holes (301) are in one-to-one correspondence with the first bolt holes (102).
5. The sealing gasket with the anti-vibration function according to claim 4, wherein the outer seal (3) is located at the outer ring edges of the upper gasket (1) and the lower gasket (2), and the top and the bottom of the outer seal (3) are fixedly connected with the bottom of the upper gasket (1) and the top of the lower gasket (2) respectively.
6. The sealing gasket with the anti-vibration function according to claim 1, wherein the inner seal (4) is located at the inner ring edges of the upper gasket (1) and the lower gasket (2), and the top and the bottom of the inner seal (4) are fixedly connected with the bottom of the upper gasket (1) and the top of the lower gasket (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321145289.7U CN219654790U (en) | 2023-05-12 | 2023-05-12 | Sealing gasket with anti-seismic function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321145289.7U CN219654790U (en) | 2023-05-12 | 2023-05-12 | Sealing gasket with anti-seismic function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654790U true CN219654790U (en) | 2023-09-08 |
Family
ID=87857362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321145289.7U Active CN219654790U (en) | 2023-05-12 | 2023-05-12 | Sealing gasket with anti-seismic function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654790U (en) |
-
2023
- 2023-05-12 CN CN202321145289.7U patent/CN219654790U/en active Active
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