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CN-224210725-U - High strength engine sealing gasket

CN224210725UCN 224210725 UCN224210725 UCN 224210725UCN-224210725-U

Abstract

The utility model relates to a high-strength engine sealing gasket which comprises a core plate, wherein a metal plate is sleeved on the surface of the core plate, a base layer is sleeved on the surface of the metal plate, a reinforcing layer is sleeved on the surface of the base layer, a sealing layer is sleeved on the surface of the reinforcing layer, the service life of the sealing gasket is obviously prolonged, the stable operation of an engine is ensured, the core plate and the metal plate, the metal plate and the base layer, the base layer and the reinforcing layer and the sealing layer are fixedly connected through a high-temperature-resistant adhesive, the reliability and the sealing performance of the sealing gasket under complex working conditions are ensured, the tensile strength, the compressive strength and the sealing effect are improved, the high temperature, the high pressure and the vibration of the engine are effectively resisted, the service life is prolonged, the maintenance cost is reduced, the medium leakage of the engine is prevented, the operation safety is ensured, the installation accuracy is ensured, and the sealing failure risk is reduced.

Inventors

  • TIAN CHANGXIN
  • ZHANG ZHIHUI

Assignees

  • 烟台长鑫密封产品有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (8)

  1. 1. The high-strength engine sealing gasket comprises a core plate (1) and is characterized in that a metal plate (2) is sleeved on the surface of the core plate (1), a base layer (3) is sleeved on the surface of the metal plate (2), a reinforcing layer (4) is sleeved on the surface of the base layer (3), and a sealing layer (5) is sleeved on the surface of the reinforcing layer (4).
  2. 2. The high-strength engine sealing gasket of claim 1, wherein the core plate (1) and the metal plate (2), the metal plate (2) and the base layer (3), the base layer (3) and the reinforcing layer (4) and the sealing layer (5) are fixedly connected through high-temperature-resistant adhesives.
  3. 3. A high strength engine gasket according to claim 1, wherein the core plate (1) is made of a high strength fiber composite material and the metal plate (2) is an aluminum alloy plate.
  4. 4. A high strength engine sealing gasket according to claim 1, wherein the base layer (3) is made of an aramid fiber woven material.
  5. 5. A high strength engine gasket according to claim 1, wherein the reinforcing layer (4) comprises a cross-laid fiberglass mesh and wire mesh.
  6. 6. A high strength engine seal gasket according to claim 1, wherein the sealing layer (5) is made of polytetrafluoroethylene material.
  7. 7. The high-strength engine sealing gasket according to claim 1, wherein an auxiliary assembly (6) is arranged on the circumferential surface of the sealing layer (5), the auxiliary assembly (6) comprises a bottom column (61), a bending column (62) and a top column (63), the circumferential surface of the sealing layer (5) is fixedly connected with a plurality of bottom columns (61) which are in an annular array, the top of the bottom column (61) is fixedly connected with the bending column (62), and the top of the bending column (62) is fixedly connected with the top column (63).
  8. 8. A high strength engine seal gasket according to claim 7, wherein the top end of the top post (63) is provided with an inclined tangential plane (64).

Description

High strength engine sealing gasket Technical Field The utility model relates to the technical field of engine gaskets, in particular to a high-strength engine sealing gasket. Background The sealing gasket is a sealing spare part for machines, equipment and pipelines, which is used in places with fluid, and is made of metal or nonmetal plate materials, is manufactured through cutting, stamping or cutting and other processes, is used for sealing connection among pipelines, and can be divided into a metal sealing gasket and a nonmetal sealing gasket according to the materials; at present, in practical application, common engine sealing gaskets in the market are mostly made of single materials or simple composite structures, the sealing gaskets made of common rubber are easy to age and deform at high temperature, the metal gasket made of the rubber is likely to be damaged due to insufficient toughness, so that sealing failure is caused, further, the problems of engine power reduction, poor fuel economy and the like are caused, even engine faults are caused when serious problems occur, and maintenance cost and shutdown time are increased. Disclosure of utility model In order to overcome the technical defects in the prior art, the utility model provides a high-strength engine sealing gasket. The technical scheme includes that the high-strength engine sealing gasket comprises a core plate, wherein a metal plate is sleeved on the surface of the core plate, a base layer is sleeved on the surface of the metal plate, a reinforcing layer is sleeved on the surface of the base layer, a sealing layer is sleeved on the surface of the reinforcing layer, the service life of the sealing gasket is remarkably prolonged, and the stable operation of an engine is ensured. Preferably, the core plate is fixedly connected with the metal plate, the metal plate is fixedly connected with the base layer, the base layer is fixedly connected with the reinforcing layer, and the reinforcing layer is fixedly connected with the sealing layer through high-temperature-resistant adhesives, so that the reliability and the tightness of the sealing gasket under complex working conditions are ensured. Preferably, the core plate is made of a high-strength fiber composite material, the metal plate is an aluminum alloy plate, and the comprehensive performance of the sealing gasket in a high-temperature and high-pressure environment is improved. Preferably, the base layer is made of aramid fiber woven materials, so that the sealing gasket can stably run for a long time in a complex working environment. Preferably, the reinforcing layer comprises a glass fiber net and a metal wire net which are paved in a staggered mode, so that gasket damage caused by local stress concentration is effectively avoided, and the service life of the sealing gasket is prolonged. Preferably, the sealing layer is made of polytetrafluoroethylene materials, so that leakage of high-temperature gas, fuel oil, lubricating oil and other media in the engine is effectively prevented, tightness and safety in the running process of the engine are ensured, and the working efficiency of the engine is improved. Preferably, the circumference of sealing layer is provided with auxiliary assembly, auxiliary assembly includes end post, crooked post and jack-up post, sealing layer circumference fixedly connected with is a plurality of end posts that are annular array, the top fixedly connected with crooked post of end post, the top fixedly connected with jack-up post of crooked post guides the sealing gasket accuracy to take one's place fast, effectively avoids the installation slope. Preferably, the top end of the jacking column is provided with an inclined tangent plane, so that the accuracy and the tightness of the installation of the sealing gasket are ensured. The utility model has the beneficial effects that the core plate is formed by compounding aramid fibers and carbon fibers, and is matched with the aluminum alloy metal plate and the multi-layer reinforcing structure, thereby being beneficial to improving the tensile strength, the compressive strength and the sealing effect, effectively resisting the high temperature and the high pressure of an engine, prolonging the service life, reducing the maintenance cost, preventing the medium leakage of the engine, ensuring the operation safety, simultaneously adding the auxiliary component, being beneficial to improving the installation efficiency, ensuring the installation accuracy and reducing the risk of sealing failure. Drawings FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present utility model; FIG. 3 is an enlarged view of the utility model at A in FIG. 2; FIG. 4 is a schematic view of the structure of the core plate and the metal plate of the present utility model; FIG. 5 is a schematic view of the structure of the midso