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CN-224224894-U - Automobile engine support shock attenuation cushion

CN224224894UCN 224224894 UCN224224894 UCN 224224894UCN-224224894-U

Abstract

The utility model relates to the technical field of engine bracket damping rubber cushion application and discloses an automobile engine bracket damping rubber cushion, which comprises a rubber cushion assembly, an installation seat and a bracket, wherein the rubber cushion assembly comprises an outer layer, an intermediate layer and an inner layer, heat dissipation grooves are formed in the outer wall of the outer layer, a plurality of connecting grooves are distributed on the surface of the outer layer at equal intervals along the circumferential direction, connecting strips are connected in a sliding mode in each connecting groove, ribs are fixedly connected to one side of each connecting strip far away from the center of the rubber cushion assembly, the inner wall of the inner layer is in interference fit with the bracket, the outer wall of the outer layer is fixedly sleeved with the installation seat through the ribs, the ribs and a rubber cushion body are formed in a non-integrated mode, a general connecting groove is formed in the outer layer of the rubber cushion, the number of cores is reduced, and the combination of the outer layer of silicon rubber, the intermediate layer of a metal net and the inner layer of natural rubber is low in cost, and compared with a single rubber cushion, the service life is prolonged.

Inventors

  • ZHANG JINHONG
  • Jiang Xiongwu

Assignees

  • 开平市泰雨汽车零部件有限公司

Dates

Publication Date
20260512
Application Date
20250627

Claims (8)

  1. 1. A damping rubber cushion of an automobile engine bracket comprises a rubber cushion assembly, an installation seat (1) and a bracket (101); The rubber pad assembly is characterized by comprising an outer layer (2), an intermediate layer (201) and an inner layer (202), wherein a heat dissipation groove (3) is formed in the outer wall of the outer layer (2), a plurality of connecting grooves (4) are distributed on the surface of the outer layer (2) at equal intervals along the circumferential direction, a connecting strip (401) is connected in a sliding manner in each connecting groove (4), and ribs (402) are fixedly connected to one side, far away from the center of the rubber pad assembly, of each connecting strip (401); The inner wall of the inner layer (202) is in interference fit with the bracket (101), and the outer wall of the outer layer (2) is sleeved and fixed with the mounting seat (1) through ribs (402).
  2. 2. The automobile engine support shock-absorbing rubber mat according to claim 1, wherein the outer layer (2) is a silicone rubber layer, the middle layer (201) is a metal mesh reinforcing layer, the inner layer (202) is a natural rubber layer, and the outer layer (2), the middle layer (201) and the inner layer (202) are integrally formed through a vulcanization process.
  3. 3. The automobile engine support shock absorption rubber mat according to claim 1, wherein the radiating groove (3) is spirally and circumferentially arranged on the outer wall of the outer layer (2), the cross section of the rib (402) is trapezoid with the upper part narrow and the lower part wide, and the end face of the rib (402) close to the mounting seat (1) is a 45-degree inclined plane.
  4. 4. The automobile engine support shock absorber cushion of claim 1, wherein the ribs (402) are internally provided with honeycomb cavities, sound insulation particles are filled in the honeycomb cavities, and the sound insulation particles are foam aluminum honeycomb cavities.
  5. 5. The automobile engine support shock absorption rubber mat according to claim 1, wherein anti-skidding protruding points (5) are arranged on the inner wall of the inner layer (202), and the anti-skidding protruding points (5) are uniformly distributed in a hemispherical shape.
  6. 6. The automobile engine support shock absorption rubber mat according to claim 1, wherein the connecting groove (4) is a T-shaped groove or a dovetail groove, and a fit clearance between the connecting strip (401) and the connecting groove (4) is 0.1-0.3mm, so that the connecting strip (401) is allowed to be slidingly adjusted along the radial direction.
  7. 7. The automobile engine support shock absorption rubber mat according to claim 1, wherein anti-skid grains are formed on the outer surface of the ribs (402), and the anti-skid grains are grid-shaped.
  8. 8. The automobile engine support shock absorption rubber mat according to claim 4, wherein the particle size of the sound insulation particles is 0.5-2 mm, the filling rate is 60-80% of the volume of the cavity, and the surface of the sound insulation particles is coated with a damping rubber layer.

Description

Automobile engine support shock attenuation cushion Technical Field The utility model relates to the technical field of engine bracket damping rubber cushion application, in particular to an automobile engine bracket damping rubber cushion. Background The damping rubber cushion of the automobile engine bracket is a damping material for the engine bracket and has the main functions of absorbing and reducing the influence of engine vibration on other parts of the vehicle, thereby improving the travelling comfort of the vehicle; Chinese published patent (bulletin number: CN 218440360U) discloses an engine mount shock-absorbing rubber mat, which comprises a rubber mat body, wherein a plurality of ribs are uniformly and fixedly connected to the outer wall of the rubber mat body, so that errors of the rubber mat body during installation are reduced, the rubber mat body is stably fixed, an installation seat is tightly sleeved on the plurality of ribs and is used for fixing the rubber mat body in position, a bracket is connected to the inner wall of the rubber mat body in an interference manner, and the bracket is used for supporting an engine, and the arc transition between the outer wall of the rubber mat body and one side, close to the bottom, of the plurality of ribs is convenient for bending the arc connection prescription direction of the ribs when the rubber mat body is inserted and installed, so that the pressure on the inner wall of the installation seat is improved, and the rubber mat body is stably fixed; The rubber pad body and the ribs of the comparison file are integrally arranged, the requirement of the structure on the precision and the complexity of the die is high, the design and the manufacturing difficulty of the die can be increased, and therefore the production cost can be possibly increased; In view of the above, the present utility model solves the above-mentioned problems by providing a shock absorbing rubber pad for an automobile engine bracket. Disclosure of utility model In order to overcome the defects of the background technology, the utility model provides the technical scheme that the ribs and the rubber pad body are formed in a non-integrated manner, the die is only required to be provided with the universal connecting grooves on the outer layer of the rubber pad, the number of the cores is reduced, the processing cost of the die is reduced, meanwhile, the connecting ribs and the connecting grooves are matched in a plug-in manner, when a certain rib is damaged due to long-term vibration abrasion or external impact, the whole rubber pad is not required to be disassembled, and only the connecting rib damaged by the rib is required to be pulled out of the connecting grooves through a tool, and a new rib assembly is replaced. The utility model provides a technical scheme that the automobile engine support damping rubber cushion comprises a rubber cushion assembly, an installation seat and a bracket; The rubber pad assembly comprises an outer layer, an intermediate layer and an inner layer, wherein a heat dissipation groove is formed in the outer wall of the outer layer, a plurality of connecting grooves are distributed on the surface of the outer layer at equal intervals along the circumferential direction, connecting strips are connected in a sliding mode in each connecting groove, and ribs are fixedly connected to one side, away from the center of the rubber pad assembly, of each connecting strip; The inner wall of the inner layer is in interference fit with the bracket, and the outer wall of the outer layer is fixedly sleeved with the mounting seat through ribs. As a preferable technical scheme of the utility model, the outer layer is a silicon rubber layer, the middle layer is a metal mesh reinforcing layer, the inner layer is a natural rubber layer, and the outer layer, the middle layer and the inner layer are integrally formed through a vulcanization process. As a preferable technical scheme of the utility model, the radiating groove is spirally and circumferentially arranged on the outer wall of the outer layer, the section shape of the rib is trapezoid with narrow upper part and wide lower part, and the end face of the rib, which is close to the mounting seat, is a 45-degree inclined plane. As a preferable technical scheme of the utility model, the rib is internally provided with a honeycomb-shaped cavity, sound-insulating particles are filled in the honeycomb-shaped cavity, and the sound-insulating particles are foam aluminum honeycomb-shaped cavities. As a preferable technical scheme of the utility model, the inner wall of the inner layer is provided with anti-skid convex points which are uniformly distributed in a hemispherical shape. As a preferable technical scheme of the utility model, the connecting groove is a T-shaped groove or a dovetail groove, and the fit clearance between the connecting strip and the connecting groove is 0.1-0.3mm, so that the connecting strip is al