CN217778269U

CN217778269U - Installation bush assembly for lower swing arm of automobile

Info

Publication number: CN217778269U
Application number: CN202222255077.6U
Authority: CN
Inventors: 陈立博; 马臣斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-11-11
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a swing arm installation bush subassembly under car relates to bush subassembly technical field, including inside lining sleeve pipe, rubber, outer bush pipe, rubber fixed connection be in inside lining sleeve pipe with between the outer bush pipe, a pair of first cavity and a pair of second cavity have been seted up on the rubber. The utility model discloses rational in infrastructure, through setting up a pair of first cavity and a pair of second cavity, make the bush subassembly have better quiet rigidity, and better twist reverse quiet rigidity, it is protruding through setting up first arch and a plurality of second, when making the both sides inner wall contact of first cavity, less friction area, be favorable to reducing the abnormal sound, and wearing and tearing are advanced to first arch and second arch, be favorable to the protection to rubber overall structure, improve the life of rubber, through pack lubricating grease in first cavity and second cavity, play the lubrication action, less friction abnormal sound, be favorable to improving the NVH of vehicle.

Description

Installation bush component for lower swing arm of automobile

Technical Field

The utility model relates to a bush subassembly technical field, in particular to swing arm installation bush subassembly under car.

Background

The automobile bushing has the advantages of good vibration isolation, good elastic property, good attenuation property and the like, becomes an indispensable important element on an automobile, is usually applied to an automobile suspension mechanism, can ensure that the whole automobile has good operation stability and smoothness by reasonably designing the structural characteristics of the automobile bushing, and requires the capability of bearing tension, pressure, torsion and deflection in the driving process of the automobile.

The hole can be seted up at the part of bush rubber to current bush subassembly, be used for changing the rigidity of bush, and the hole that current bush rubber part was seted up is located x direction or z orientation usually, rigidity change is comparatively single, and lower swing arm is at the in-process that uses, the bush receives behind the big loading power, it can take place contact friction for the position to be located the hole, on the one hand can accelerate the wearing and tearing of bush, the life of bush has been reduced, on the other hand can produce the friction abnormal sound, influence the NVH of vehicle, therefore, this application provides a swing arm installation bush subassembly under the car satisfies the demand.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a swing arm installation bush subassembly under car, through setting up a pair of first cavity and a pair of second cavity, make the bush subassembly have better quiet rigidity, and better torsional quiet rigidity, it is protruding through setting up first arch and a plurality of second, when making the both sides inner wall contact of first cavity, less friction area, be favorable to reducing the abnormal sound, and first arch and the protruding wearing and tearing of second go forward, be favorable to the protection to rubber overall structure, improve the life of rubber, through pack lubricating grease in first cavity and second cavity, play the lubrication action, less friction abnormal sound, be favorable to improving the NVH of vehicle.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a swing arm installation bush subassembly under car, includes inside lining sleeve pipe, rubber, outer lining pipe, rubber fixed connection be in inside lining sleeve pipe with between the outside lining sleeve pipe, seted up a pair of first cavity and a pair of second cavity on the rubber, the first arch of one side inner wall fixedly connected with of first cavity, it is protruding that another lateral wall inner wall fixedly connected with a plurality of evenly distributed's of first cavity second, first cavity with it has lubricating grease all to fill in the second cavity.

Preferably, thread grooves are formed in both ends of the lining sleeve, a pair of the thread grooves are in threaded connection with a slip-proof cover, and a plurality of anti-slip grooves are uniformly distributed on the periphery of one end of the slip-proof cover.

Preferably, a hexagonal groove is formed in the middle of the anti-slip cover.

Preferably, the outer tube is fixedly sleeved on the outer bushing tube.

Preferably, the inner bushing pipe and the outer bushing pipe are made of aluminum alloy.

Preferably, the specific material model of the inner bushing is A380, and the specific material model of the outer bushing is 6061.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses it is rational in infrastructure, through setting up a pair of first cavity and a pair of second cavity, make the bush subassembly all have better quiet rigidity in x direction and z direction, and better torsional static rigidity, it is protruding through setting up first arch and a plurality of second, when making the both sides inner wall contact of first cavity, less friction area, be favorable to reducing the abnormal sound, and wear and tear first arch and the protruding advance of second, be favorable to the protection to rubber overall structure, the life of rubber is prolonged, through filling lubricating grease in first cavity and second cavity, play the lubrication action, less friction abnormal sound, be favorable to improving the NVH of vehicle.

2. The utility model discloses in, through setting up the antiskid cover, the antiskid cover passes through screw thread and neck bush fixed mounting, realizes the demountable installation of antiskid cover, for traditional mode of seting up the antiskid groove at the neck bush tip, after the antiskid groove wearing and tearing that the antiskid was covered in the antiskid, can change, does not influence the friction effect behind antiskid groove and the bolt cooperation, has improved the whole life of bush subassembly.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a lower swing arm mounting bushing assembly for an automobile;

FIG. 2 is a schematic front view of an automotive lower swing arm mounting bushing assembly;

FIG. 3 is a schematic view of a three-dimensional structure of the inner sleeve, the rubber, and the outer bushing;

fig. 4 is an enlarged schematic perspective view of the anti-slip cover.

In the figure: 1. a liner sleeve; 2. rubber; 3. an outer liner sleeve; 4. an outer tube; 5. a first cavity; 6. a second cavity; 7. A first protrusion; 8. a second protrusion; 9. an anti-slip cover; 10. an anti-slip groove; 11. a hexagonal groove.

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.

Example (b): referring to fig. 1-4, an automobile lower swing arm mounting bushing assembly comprises an inner bushing 1, rubber 2 and an outer bushing pipe 3, wherein the rubber 2 is fixedly connected between the inner bushing 1 and the outer bushing pipe 3, the rubber 2 is made of NR and is fixed with the inner bushing 1 and the outer bushing pipe 3 through a vulcanization technology, and the hardness of the rubber 2 is as follows: shore hardness HA70 + -5, a pair of first cavities 5 and a pair of second cavities 6 have been seted up on rubber 2, one side inner wall fixedly connected with first arch 7 of first cavity 5, another lateral wall inner wall fixedly connected with a plurality of evenly distributed's second arch 8 of first cavity 5, first arch 7 and second arch 8 all are structure as an organic whole with rubber 2, it HAs lubricating grease all to fill in first cavity 5 and the second cavity 6, through setting up a pair of first cavity 5 and a pair of second cavity 6, make the bush subassembly all have better static rigidity in x direction and z direction, and better torsion static rigidity, it needs to explain here, vapour x axle is on a parallel with the directional vehicle the place ahead in ground, the z axle is through the directional top of car barycenter, the directional driver's left side of y axle, through setting up first arch 7 and a plurality of second arch 8, when making the both sides inner wall contact of first cavity 5, less friction area, be favorable to reducing the abnormal sound, and first arch 7 and second arch 8 wear earlier, be favorable to the overall structure's of rubber 2 protection, the cavity 2 plays the life of the NV 2 is improved, be favorable to the lubrication effect through the second cavity 6, be favorable to the improvement of the vehicle's abnormal sound through the lubricating grease, it is less to fill in the lubricating grease, it is favorable to be favorable to reduce the vehicle.

As an implementation manner in this embodiment, as shown in fig. 1, fig. 3, and fig. 4, thread grooves are respectively formed at two ends of the lining sleeve 1, a pair of thread grooves are respectively connected with the anti-slip cover 9 by a thread, a plurality of anti-slip grooves 10 are uniformly distributed around one end of the anti-slip cover 9, a hexagonal groove 11 is formed in the middle of the anti-slip cover 9, the anti-slip cover 9 is made of a metal material, and is fixedly mounted with the lining sleeve 1 by a thread, so as to achieve detachable mounting of the anti-slip cover 9.

In this embodiment, as shown in fig. 1, an outer tube 4 is fixedly sleeved on the outer liner tube 3, the outer tube 4 is welded on the lower swing arm, and the outer liner tube 3 is press-fitted on the outer tube 4 by interference fit.

In this embodiment, interior bushing pipe 1 and outer bushing pipe 3 are the aluminum alloy material, and the concrete material model of interior bushing pipe 1 is A380, and the concrete material model of outer bushing pipe 3 is 6061, and the benefit that sets up like this has better lightweight when satisfying structural strength and rigidity, is favorable to reducing sprung mass.

This practical theory of operation:

through setting up a pair of first cavity 5 and a pair of second cavity 6, make the bush subassembly all have better quiet rigidity in x direction and z direction, and better torsion quiet rigidity, through setting up first arch 7 and a plurality of protruding 8 of second, when making the both sides inner wall contact of first cavity 5, less friction area, be favorable to reducing the abnormal sound, and first arch 7 and the protruding 8 of second wear earlier, be favorable to the protection to 2 overall structure of rubber, improve the life of rubber 2, through pack lubricating grease in first cavity 5 and second cavity 6, play the lubrication action, less friction abnormal sound, be favorable to improving the NVH of vehicle.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a swing arm installation bush subassembly under car, includes inside lining sleeve pipe (1), rubber (2), outer lining pipe (3), its characterized in that: rubber (2) fixed connection be in inside lining sleeve pipe (1) with between outside lining sleeve pipe (3), a pair of first cavity (5) and a pair of second cavity (6) have been seted up on rubber (2), the first arch (7) of one side inner wall fixedly connected with of first cavity (5), the protruding (8) of a plurality of evenly distributed's second of another lateral wall inner wall fixedly connected with of first cavity (5), first cavity (5) with all fill in second cavity (6) has lubricating grease.

2. The vehicle rocker arm mounting bushing assembly of claim 1, wherein: threaded grooves are formed in two ends of the lining sleeve (1), a pair of threaded grooves are connected with anti-slip covers (9) in a threaded mode, and a plurality of anti-slip grooves (10) are uniformly distributed on the periphery of one end of each anti-slip cover (9).

3. The vehicle rocker arm mounting bushing assembly of claim 2, wherein: the middle part of the anti-slip cover (9) is provided with a hexagonal groove (11).

4. The vehicle rocker arm mounting bushing assembly of claim 1, wherein: the outer bushing (3) is fixedly sleeved with an outer pipe (4).

5. The vehicle rocker arm mounting bushing assembly of claim 1, wherein: the lining sleeve (1) and the lining sleeve (3) are made of aluminum alloy materials.

6. The vehicle rocker arm mounting bushing assembly of claim 5, wherein: the specific material model of the inner bushing (1) is A380, and the specific material model of the outer bushing (3) is 6061.