CN219492913U

CN219492913U - Chassis combined rubber bushing

Info

Publication number: CN219492913U
Application number: CN202320715926.3U
Authority: CN
Inventors: 吴仕富; 钟枫慧
Original assignee: Jiangsu Kelepu Auto Parts Co ltd
Current assignee: Jiangsu Kelepu Auto Parts Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-08
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to the technical field of bushings, in particular to a chassis combined rubber bushing, which comprises a rubber body and an outer framework, wherein an annular groove is formed in the outer circumferential wall of the rubber body, two groups of adjusting mechanisms are arranged in the annular groove, the outer sides of the adjusting mechanisms and the rubber body are provided with the outer framework, the two groups of adjusting mechanisms comprise an upper adjusting plate and a lower adjusting plate, two groups of reset springs are arranged between the upper adjusting plate and the lower adjusting plate, a first telescopic rod is arranged in the two groups of reset springs and between the upper adjusting plate and the lower adjusting plate, and a buffer component is arranged between the two groups of adjacent reset springs; the buffer assembly comprises three groups of connecting plates, three groups of connecting plates are sequentially arranged between two groups of adjacent reset springs from top to bottom, and second telescopic rods are fixedly connected between the two groups of adjacent connecting plates.

Description

Chassis combined rubber bushing

Technical Field

The utility model relates to the technical field of bushings, in particular to a chassis combined rubber bushing.

Background

The automobile chassis is used for supporting and installing an automobile engine and various parts and assemblies of the automobile engine to form an integral model of the automobile. And the power of the transmission system is received, and traction force is generated through the action of the driving wheels and the road surface, so that the automobile can normally run. Meanwhile, the total weight of the automobile and the counterforce of the ground are born, the impact of the uneven road on the automobile body is alleviated, the vibration of the automobile in running is damped, and the running smoothness is maintained; the control arm is matched with a steering system to ensure the steering stability of the automobile, and in the independent wheel suspension system, the control arm connects the automobile body with the wheels and the tires to control the wheels, and the control arm is used as a guiding and force transmission element of the automobile suspension system to transmit various forces acting on the wheels to the automobile body and ensure that the wheels move along a certain track. The control arm elastically connects the wheel and the body together through ball joints or bushings, respectively. The control arm (including the bushing and ball head connected thereto) should be sufficiently rigid, strong and durable, after which the bushing is more susceptible to damage due to the combined forces of jolt, shear, torsion and other directions experienced during operation;

through search, publication number: CN211441888U, which discloses a combined rubber bushing, relates to the bushing technical field. The utility model comprises a rubber body and an outer framework; one end of the rubber body is provided with an outwards extending flanging, a through hole is formed in the rubber body, and an inner framework is arranged in the through hole; the lateral wall of rubber body is equipped with an annular notch and installs adjustment mechanism in annular notch, and adjustment mechanism includes a plurality of adjusting unit, and the adjusting unit includes two regulating plates, is connected with a plurality of springs between two regulating plates. According to the utility model, the regulating mechanism consisting of the regulating plate and the spring is arranged in the rubber body, and the deformation quantity of the rubber body is reduced by utilizing the elasticity of the spring larger than that of the rubber body, so that the fatigue resistance of the whole product is greatly improved;

with respect to the related art in the above, the inventors consider that there are the following drawbacks: in the above application, through the use of the spring in the adjusting unit, the elastic deformation performance of the rubber bushing is improved, and the deformation amount of the rest parts of the rubber body is reduced, so that the fatigue resistance of the whole product is further improved, however, the combined rubber bushing in the above application does not have a buffer protection component for the spring, and the spring is easy to damage and lose the rebound effect after being extruded by pressure for a long time, so that the fatigue resistance of the rubber combined bushing is reduced;

therefore, the novel chassis combined rubber bushing is designed for improving the existing rubber combined bushing so as to change the technical defects and improve the practicability of the integral rubber combined bushing.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model designs the chassis combined rubber bushing, and aims to solve the technical problems that the chassis combined rubber bushing in the prior art is not provided with a buffer protection component for a spring, and the spring is easy to damage and lose the rebound effect after being extruded by pressure for a long time, so that the fatigue resistance of the rubber combined bushing is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the chassis combined rubber bushing comprises a rubber body and an outer framework, wherein an annular groove is formed in the outer circumferential wall of the rubber body, two groups of adjusting mechanisms are arranged in the annular groove, the outer sides of the adjusting mechanisms and the rubber body are provided with the outer framework, the two groups of adjusting mechanisms comprise an upper adjusting plate and a lower adjusting plate, two groups of reset springs are arranged between the upper adjusting plate and the lower adjusting plate, a first telescopic rod is arranged in the reset springs and between the upper adjusting plate and the lower adjusting plate, and a buffer assembly is arranged between the two groups of adjacent reset springs;

the buffer assembly comprises three groups of connecting plates, three groups of connecting plates are sequentially arranged between two groups of adjacent reset springs from top to bottom, a second telescopic rod is fixedly connected between the two groups of adjacent connecting plates, and an upper arc-shaped sheet and a lower arc-shaped sheet are respectively arranged between the two groups of adjacent connecting plates and outside the second telescopic rod.

As a preferable scheme of the utility model, the upper arc-shaped sheet and the lower arc-shaped sheet are made of elastic steel sheets.

As a preferable scheme of the utility model, two groups of plug-in blocks are symmetrically arranged in the annular groove, and plug-in grooves for plug-in blocks to plug in are respectively formed in the inner circumferential walls of the upper adjusting plate and the lower adjusting plate.

As a preferable scheme of the utility model, two groups of limit strips are symmetrically arranged in the outer framework, and limit grooves for inserting the limit strips are formed in the outer circumferential walls of the upper adjusting plate, the lower adjusting plate and the rubber body.

As a preferable scheme of the utility model, through holes for the second telescopic rod to penetrate are formed in the upper arc-shaped piece and the lower arc-shaped piece.

As a preferred embodiment of the present utility model, the upper adjusting plate and the lower adjusting plate are of a plate structure.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the matched use of the buffer assembly, the reset spring and the first telescopic rod, the elasticity and the supporting force in the rubber body are increased, the elastic deformation performance of the rubber bushing is improved, meanwhile, the buffer assembly is combined to elastically resist and support the pressure born by the upper adjusting plate and the lower adjusting plate, the supporting force in the rubber body is increased, the spring is reinforced and protected, the spring is prevented from being damaged easily after being stressed for a long time, the re-elastic effect is lost, the service life of the spring is further prolonged, the elastic deformation performance of the rubber bushing is ensured, and the deformation amount of other parts of the rubber body is reduced;

secondly, through the design of exoskeleton, spacing groove, plug-in block and grafting groove, conveniently cup joint the outer skeleton in the outside of rubber body and adjustment mechanism to according to the user demand, be convenient for take off outer skeleton and dismantle or change two sets of buffer components inside the ring channel.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic view of the rubber structure of the present utility model;

FIG. 4 is a schematic view of the structure of the adjusting mechanism of the present utility model;

FIG. 5 is a schematic view of a buffer assembly according to the present utility model.

In the figure: 1. a rubber body; 2. an outer skeleton; 201. a limit bar; 3. an annular groove; 301. a plug block; 4. an adjusting mechanism; 401. an upper adjusting plate; 402. a lower adjusting plate; 403. a return spring; 404. a first telescopic rod; 5. a buffer assembly; 501. a connecting plate; 502. a second telescopic rod; 503. an upper arc-shaped sheet; 504. a lower arc-shaped piece; 6. a plug-in groove; 7. and a limit groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples

The embodiment of the utility model provides a chassis combined rubber bushing, which aims to solve the technical problem that the chassis combined rubber bushing in the prior art does not have a buffering protection component for a spring, and the spring is easy to damage and lose the rebound effect after being extruded by pressure for a long time, so that the fatigue resistance of the rubber combined bushing is reduced.

Referring to fig. 1-5, the present utility model provides a technical solution:

the utility model provides a chassis combination rubber bush, includes rubber body 1 and exoskeleton 2, has seted up ring channel 3 on the outer circumference wall of rubber body 1, and the inside of ring channel 3 is provided with two sets of adjustment mechanism 4, and the outside of adjustment mechanism 4 and rubber body 1 is provided with exoskeleton 2, and two sets of adjustment mechanism 4 all include upper adjusting plate 401 and lower adjusting plate 402, are provided with two sets of reset springs 403 between upper adjusting plate 401 and the lower adjusting plate 402, its characterized in that: a first telescopic rod 404 is arranged inside the two groups of return springs 403 and between the upper adjusting plate 401 and the lower adjusting plate 402, and a buffer component 5 is arranged between the two groups of adjacent return springs 403;

referring to fig. 1 and 2, in the present embodiment, the specific structure of the buffer assembly 5 is as follows:

the buffer assembly 5 comprises three groups of connecting plates 501, three groups of connecting plates 501 are sequentially arranged between two groups of adjacent reset springs 403 from top to bottom, a second telescopic rod 502 is fixedly connected between the two groups of adjacent connecting plates 501, an upper arc-shaped sheet 503 and a lower arc-shaped sheet 504 are respectively arranged between the two groups of adjacent connecting plates 501 and outside the second telescopic rod 502, the upper arc-shaped sheet 503 and the lower arc-shaped sheet 504 are made of elastic steel sheets, through holes for the second telescopic rod 502 to penetrate are respectively formed in the upper arc-shaped sheet 503 and the lower arc-shaped sheet 504, when the reset springs 403 are extruded, the buffer assembly 5 is used for elastically resisting pressure to buffer and protect the reset springs 403, and during the buffer of the buffer assembly 5, the springs are protected by elastically resisting the pressure received by the upper arc-shaped sheet 503 and the lower arc-shaped sheet 504, so that the springs are prevented from being extruded by gravity for a long time and losing the rebound effect easily occurs, and the elastic deformation performance of other parts of the rubber bushing of the chassis assembly is further effectively reduced;

in addition, two sets of plug blocks 301 are symmetrically arranged in the annular groove 3, the upper adjusting plate 401 and the lower adjusting plate 402 are identical in structure, the plug grooves 6 for the plug blocks 301 to plug in are formed in the inner circumferential walls of the upper adjusting plate 401 and the lower adjusting plate 402, the two sets of adjusting mechanisms 4 are of spliced structure design, the upper adjusting plate 401 and the lower adjusting plate 402 of the two sets of adjusting mechanisms 4 are conveniently and respectively inserted into the annular groove 3 through the matching of the plug blocks 301 and the plug grooves 6, two sets of limit strips 201 are symmetrically arranged in the outer skeleton 2, limit grooves 7 for the limit strips 201 to plug in are formed in the outer circumferential walls of the upper adjusting plate 401, the lower adjusting plate 402 and the rubber body 1, and the outer skeleton 2 is conveniently sleeved outside the rubber body 1 and the adjusting mechanisms 4 through the matching of the limit strips 201 and the limit grooves 7, so that the outer skeleton 2 is conveniently taken down to disassemble, assemble and replace the two sets of buffer assemblies 5 in the annular groove 3 according to use requirements.

The working flow of the utility model is as follows: during the use of the chassis combined rubber bushing, when the rubber body 1 is extruded by gravity, the upper adjusting plate 401 and the lower adjusting plate 402 are simultaneously extruded, and during the extrusion of the upper adjusting plate 401 and the lower adjusting plate 402, the elastic reset is firstly carried out through the first telescopic rod 404 and the reset spring 403, so that the elastic deformation performance of the rubber bushing is improved, meanwhile, the elastic resistance and the support of the pressure borne by the upper adjusting plate 401 and the lower adjusting plate 402 are carried out through the buffer component 5, the supporting strength of the inner part of the rubber body 1 is increased, the elastic buffer resistance is carried out through the upper arc-shaped sheet 503 and the lower arc-shaped sheet 504, and meanwhile, the second telescopic rod 502 carries out telescopic operation, so that the spring is reinforced and protected, the damage easily occurs after the spring is prevented from being stressed for a long time, the re-elastic effect is lost, the service life of the spring is prolonged, the elastic deformation performance of the rubber bushing is guaranteed, the deformation quantity of other parts of the rubber body 1 is reduced, and the fatigue resistance of the whole product is further improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a chassis combination rubber bush, includes rubber body (1) and exoskeleton (2), annular channel (3) have been seted up on the outer circumference wall of rubber body (1), the inside of annular channel (3) is provided with two sets of adjustment mechanism (4), the outside of adjustment mechanism (4) and rubber body (1) is provided with exoskeleton (2), two sets of adjustment mechanism (4) all include regulating plate (401) and lower regulating plate (402), be provided with two sets of reset spring (403), its characterized in that between upper regulating plate (401) and lower regulating plate (402): a first telescopic rod (404) is arranged in the two groups of return springs (403) and positioned between the upper adjusting plate (401) and the lower adjusting plate (402), and a buffer component (5) is arranged between the two groups of adjacent return springs (403);

the buffer assembly (5) comprises three groups of connecting plates (501), three groups of connecting plates (501) are sequentially arranged between two groups of adjacent reset springs (403) from top to bottom, a second telescopic rod (502) is fixedly connected between the two groups of adjacent connecting plates (501), and an upper arc-shaped sheet (503) and a lower arc-shaped sheet (504) are respectively arranged between the two groups of adjacent connecting plates (501) and outside the second telescopic rod (502).

2. The chassis combination rubber bushing of claim 1, wherein: the upper arc-shaped sheet (503) and the lower arc-shaped sheet (504) are made of elastic steel sheets.

3. The chassis combination rubber bushing of claim 1, wherein: two groups of plug blocks (301) are symmetrically arranged in the annular groove (3), and plug grooves (6) for the plug blocks (301) to plug are formed in the inner circumferential walls of the upper adjusting plate (401) and the lower adjusting plate (402).

4. The chassis combination rubber bushing of claim 1, wherein: two groups of limit strips (201) are symmetrically arranged in the outer framework (2), and limit grooves (7) for inserting the limit strips (201) are formed in the outer circumferential walls of the upper adjusting plate (401), the lower adjusting plate (402) and the rubber body (1).

5. The chassis combination rubber bushing of claim 1, wherein: through holes for the second telescopic rod (502) to penetrate are formed in the upper arc-shaped sheet (503) and the lower arc-shaped sheet (504).

6. The chassis combination rubber bushing of claim 1, wherein: the upper adjusting plate (401) and the lower adjusting plate (402) are identical in structure.