CN219827556U - Bushing for automobile - Google Patents

Abstract

The utility model discloses an automobile lining, which belongs to the technical field of automobile parts and comprises a lining pipe, a mounting groove, an inner lining and a rubber matrix, wherein the mounting groove is formed in the outer wall of the lining pipe; the inner lining is made of nylon material; the thickness ratio of the inner bushing to the bushing pipe is 1:3; the radial rotation damping of the rubber matrix relative to the inner bushing is 10N-20N; the novel high-damping rubber bushing comprises a rubber matrix, and is characterized by further comprising a lifting ring, wherein the outer side of the rubber matrix is also sleeved with the lifting ring, and the problems of deviation, overlarge radial damping, eccentric wear and the like of the rubber matrix in the use process and poor overall heavy load shock absorption of the bushing are solved by additionally arranging an inner bushing.

Description

Bushing for automobile

Technical Field

The utility model relates to the technical field of automobile parts, in particular to an automobile lining.

Background

Automobiles are an indispensable transportation means in people's daily lives, and rubber bushings are one of important elastic elements on automobiles, which rely on the twisting of rubber to reduce friction and effectively dampen vibrations from the ground. Rubber bushings are commonly used in flexible couplings between automotive assemblies and between linkages, and are constructed primarily by using a flexible material such as rubber as the bushing and mounting the bushing to the vehicle body.

However, due to the physical characteristics of the flexible material, the phenomena of deviation, inclination, eccentric wear and the like of the bushing often occur in the using process, and then the problems of axial retraction and press fitting in place of the rubber layer of the shock absorber bushing are caused to occur more seriously. The long-term distortion of the rubber layer is easy to produce phenomena such as aging, abrasion and cracking, so that the service life is short, and because the bushings are all installed in an interference fit mode, the phenomena of accumulation, radial retraction, in-place press fitting, overlarge deformation of the rubber and the like of the rubber layer are easy to occur when the bushings are pressed, so that the abnormal conditions of deviation, overlarge radial damping, eccentric wear and poor heavy load shock absorption of the bushings are caused in the using process, and the safety hidden trouble is seriously caused.

Accordingly, there is a need to develop a bushing for an automobile that can avoid the occurrence of misalignment, excessive radial damping, eccentric wear, and poor heavy load shock absorption of the bushing.

Disclosure of Invention

Therefore, the utility model provides the bushing for the automobile, which solves the problems of deviation, overlarge radial damping, eccentric wear and poor heavy load shock absorption in the using process of the bushing caused by easy accumulation, radial retraction, not-in-place press mounting and overlarge rubber deformation of a rubber layer in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the bushing for the automobile comprises a bushing pipe, a mounting groove, an inner bushing and a rubber matrix, wherein the mounting groove is formed in the outer wall of the bushing pipe, the inner bushing is arranged in the mounting groove, the rubber matrix is sleeved outside the bushing pipe, and the inner bushing is arranged between the bushing pipe and the rubber matrix.

Further, the lining pipe is made of metal, and the surface of the lining pipe is subjected to rust prevention.

Further, the inner bushing is made of nylon material.

Further, the thickness ratio of the inner liner to the liner tube is 1:3.

Further, the rubber matrix is damped to 10N-20N relative to the inner liner.

Further, the rubber matrix comprises a hanging ring, and the outer side of the rubber matrix is also sleeved with the hanging ring.

Further, the bushing sleeve further comprises a mounting shaft, and the mounting shaft is sleeved in the bushing sleeve.

The utility model has the following advantages:

1. according to the utility model, the mounting groove is formed in the lining pipe, and the nylon inner bushing is arranged in the mounting groove, so that the nylon material has good mechanical property, flexibility and heat resistance, the automobile body can vibrate and rub with the lining pipe under the condition of loading in the running process of the automobile body, meanwhile, the radial damping is overlarge, the vibration can be well absorbed through the inner bushing, and the inner bushing cannot deform even under the condition of higher temperature, so that the safety of the shock absorber is reduced.

2. The inner bushing is arranged in the mounting groove, so that the damping between the nylon material inner bushing and the rubber matrix can be increased, the rubber matrix is not easy to axially retract or deform when subjected to vibration or heavy load, the good damping effect is maintained, the pressure on the whole structure is buffered, and meanwhile, the device can also be kept to work within 10N-20N in radial rotation angle and torque, so that the space of the torsion degree of freedom is greatly increased.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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 will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a cross-sectional view of an automotive bushing provided by the present utility model;

FIG. 2 is a front view of a bushing provided by the present utility model;

FIG. 3 is a perspective view of a bushing provided by the present utility model;

FIG. 4 is a cross-sectional view of a bushing sleeve, an inner bushing and a rubber matrix provided by the present utility model;

in the figure: 1. a bushing pipe; 2. a mounting groove; 3. an inner liner; 4. a rubber matrix; 5. a mounting shaft; 6. and (5) hanging rings.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to the accompanying drawings:

the embodiment of the utility model provides an automotive bushing, which aims to solve the problems of deviation, inclination, eccentric wear and poor heavy load shock absorption in the use process of the bushing caused by easy accumulation, axial retraction, insufficient press fitting and overlarge rubber deformation of a rubber layer in the prior art.

In order to achieve the above purpose, the utility model provides a bushing for an automobile, which has the following technical scheme:

as shown in figures 1 and 3, the utility model is arranged at two ends of a shock absorber or a connecting rod piece and comprises a lining pipe 1, a mounting groove 2, an inner bushing 3 and a rubber matrix 4, wherein the mounting groove 2 is arranged on the outer wall of the lining pipe 1, the inner bushing 3 is arranged in the mounting groove 2, the inner bushing 3 and the mounting groove 2 are tightly attached together, the rubber matrix 4 is sleeved outside the lining pipe 1, the inner bushing 3 is arranged between the lining pipe 1 and the rubber matrix 4, the rubber matrix 4 is tightly attached to the inner bushing 3, the contact surface of the inner bushing 3 and the rubber matrix 4 is a non-smooth surface, the inner bushing 3 is made of nylon, and the friction force is large, so that the problems of abrasion and the like of the rubber matrix 4 caused by relative sliding between the inner bushing 3 and the rubber matrix 4 can be prevented.

As shown in fig. 1 and 3, the thickness ratio of the inner liner 3 to the liner tube 1 is 1:3, so that the inner liner 3 has a sufficient thickness and can absorb shock better. And even at higher temperature, the inner lining 3 can not deform, so that the safety of the shock absorber is reduced, the rubber matrix 4 is effectively protected, the service life of the rubber matrix 4 is prolonged, and the influence of the deformation of the rubber matrix 4 on the use effect is avoided.

Specifically, the lining pipe 1 is made of metal, and the surface of the lining pipe 1 is subjected to rust prevention, so that the smoothness of the surface of the lining pipe 1 can be ensured, the lining pipe 1 is prevented from being corroded due to rust, the damage of the whole lining pipe is caused, and the service life is prolonged.

Specifically, the material of the inner bushing 3 is nylon material, and the nylon material has the characteristics of high mechanical strength, strong toughness and good heat resistance, thereby playing the roles of protecting the rubber matrix 4 and insulating heat; and the nylon material has good self-wettability, and the friction coefficient of the surface of the material is small, so that the nylon material has the advantages of cleanness and low cost compared with the traditional lubricating mode by using lubricating oil.

Specifically, the damping of the rubber matrix 4 relative to the inner bushing 3 is 10N-20N, so that the phenomena of accumulation, axial retraction, insufficient press fitting, excessive rubber deformation and the like of the rubber matrix 4 due to extrusion stress and the like can be effectively prevented, the service life of the rubber matrix 4 is prolonged, and the damping effect of the damping device is ensured.

As shown in fig. 1, the utility model also comprises a mounting shaft 5, the middle of the lining pipe 1 is sleeved with the mounting shaft 5, the mounting shaft 5 is sleeved in the lining pipe 1, and the utility model can select the mounting shafts 5 with different lengths according to different connecting parts. The installation shaft 5 is arranged to fix the bushing 1, and the whole bushing device can be connected with other parts through the installation shaft 5 and used cooperatively. The length of the sleeve 1 is greater than that of the inner bushing 3, and the rubber matrix 4 is attached to the inner bushing 3, so that the phenomenon that the rubber matrix 4 is easy to slip and shift when being extruded due to small friction force due to direct contact with the sleeve 1 is avoided. When assembling, the rubber matrix 4 is extruded by the hanging ring 6 and the inner liner 3, so that the mass of the rubber matrix 4 can gather towards two ends, the damping between the inner liner 3 and the rubber matrix 4 is larger, the problems of accumulation, axial retraction and the like of the rubber matrix 4 due to extrusion or torsion can be avoided, and the rubber is fully filled into the hanging ring 6, so that the problem that the rubber matrix 4 is finally damaged in an integral structure under the conditions of long-term extrusion, vibration and heating is effectively prevented, and the service life is greatly prolonged.

As shown in fig. 1 and 2, the shock absorber further comprises a hanging ring 6, the hanging ring 6 is sleeved on the outer side of the rubber matrix 4, and the hanging ring 6 and the rubber matrix 4 are installed in an interference fit mode, so that the rubber matrix 4 can be used for fixing the two ends of the shock absorber or the connecting rod piece, and the shock absorber can play a normal role and cannot generate the problems of sliding deformation and the like.

The working principle of the embodiment of the utility model is as follows:

a bushing for an automobile is used for flexibly connecting an automobile assembly and a rod system and fixing the position of a shock absorber so as to fully play the function of the shock absorber;

when the rubber base is particularly used, the bushing 1 is sleeved on the outer side of the mounting shaft 5, and the mounting groove 2 of the bushing 1 is provided with the inner bushing 3, so that the rubber base 4 is fully contacted with the hanging ring 6 and meanwhile the problems of accumulation, axial retraction and the like are not easy to occur;

secondly, the hanging rings 6 are movably inserted at two ends of the shock absorber, so that the shock absorber can freely work in a range of rotation angles and radial torques within a range of 10N-20N, and the space of torsion freedom degree is increased.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (7)

1. The lining sleeve is characterized by comprising a lining sleeve, a mounting groove, an inner lining sleeve and a rubber matrix, wherein the mounting groove is formed in the outer wall of the lining sleeve, the inner lining sleeve is arranged in the mounting groove, the rubber matrix is sleeved outside the lining sleeve, and the inner lining sleeve is arranged between the lining sleeve and the rubber matrix.

2. The bushing for an automobile as claimed in claim 1, wherein the bushing is made of metal, and a surface of the bushing is subjected to rust-proof treatment.

3. The automotive bushing of claim 1 wherein said inner bushing is a nylon material.

4. The automotive bushing of claim 1 wherein the thickness ratio of the inner bushing to the bushing sleeve is 1:3.

5. The automotive bushing of claim 1 wherein said rubber matrix is damped to 10N-20N relative to said inner bushing.

6. The bushing for an automobile of claim 1 further comprising a sling, wherein the sling is further sleeved on the outside of the rubber substrate.

7. The automotive bushing of claim 1 further comprising a mounting shaft, said mounting shaft being disposed within an interior of said bushing tube.