Bushing of automobile suspension system

By employing a combination structure of rubber layer, insert rod, and reinforcing plate in the automotive suspension system bushing, the tensile strength and anti-detachment effect of the rubber layer are enhanced, solving the tearing problem caused by the small connection area between the protrusion and the receiving groove in the prior art, and improving the stability and practicality of use.

CN223881600UActive Publication Date: 2026-02-06CHONGQING JINYUN PRECISION HARWARE CO LTD
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Patent Information

Application Number
CN202520819838.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-02-06
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

The existing automotive suspension system bushings have circular cross-sections for the protrusions and receiving grooves, resulting in a small connection area. This makes them prone to tearing under impact, which damages the rubber layer and affects their service life.

Method used

A rubber layer is injected between the outer sleeve and the inner sleeve, and an upper and lower annular traction structure is formed by inserting rods and reinforcing plates. Combined with mounting plates and fixing pins, secondary fixing and limiting are provided to enhance the tensile strength and anti-detachment effect of the rubber layer.

Benefits of technology

It improves the tensile strength and anti-detachment effect of the rubber layer, enhances the stability of use, facilitates the replacement of the rubber layer and the reuse of auxiliary parts, and extends the service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bushing of an automobile suspension system, which comprises an outer sleeve, an inner sleeve, a closing plate and an auxiliary part, the inner sleeve is arranged in the outer sleeve, slots are formed in the inner wall of the outer sleeve in an annular array, the auxiliary part consists of inserting rods, reinforcing plates and an inner cavity, the inserting rods and the slots are in inserted connection and are consistent in number and shape, and the reinforcing plates are arranged in the inner cavity. A plurality of reinforcing plates are installed between the inner sides of the inserting rods, the reinforcing plates are vertically arranged at intervals, the whole reinforcing plates are of an annular plate structure, gaps are reserved between inner openings of the reinforcing plates and the inner sleeve, and the faces, facing the inner sleeve, of the reinforcing plates are arranged in an open mode. The utility model provides a bushing of an automobile suspension system, which solves the problems that the existing bushing is not beneficial to actual use due to the facts that the joint of the section of a bulge and a containing groove is round, the connection area of the shape is small, the traction stress point is small when the bushing is impacted, the bulge and the containing groove are easy to tear, the damage of a rubber layer is aggravated, and the actual use is not facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile bushing, especially relates to a bushing of automobile suspension system. BACKGROUND

[0002] The bushing is a supporting part for the outer part of the mechanical part to achieve the sealing, wear protection and other functions, and is a ring sleeve that plays a gasket role. Generally, the bushing is in interference fit with the seat, and is in clearance fit with the shaft. Due to the increasing frequency of use, and most of the lack of protective structure, the sealing bushing is prone to damage, and it is not convenient to disassemble after damage, and the exposed clasp ring is prone to damage due to impact.

[0003] In the utility model patent with patent announcement number CN214036518U, a novel bushing for an automobile suspension system is provided. When vulcanizing between the outer sleeve and the inner shaft tube, the glue flows into the first accommodating groove on the outer sleeve to form a first protrusion. The first protrusion is integrally formed with the rubber layer, which increases the bonding area between the outer sleeve and the rubber layer and enhances the overall bonding effect, so that the bushing is not easy to detach, thereby prolonging the service life. Although this method can solve the problem of rubber layer detachment protection, it also has the problem that the cross section of the protrusion and the accommodating groove is circular at the interface, the connection area of this shape is small, the pulling stress point is small when impacted, and the protrusion and the accommodating groove are easily torn, which aggravates the damage of the rubber layer and is not conducive to actual use.

[0004] Therefore, it is necessary to provide a bushing for an automobile suspension system to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a bushing for an automobile suspension system to solve the problem that the cross section of the protrusion and the accommodating groove is circular at the interface, the connection area of this shape is small, the pulling stress point is small when impacted, and the protrusion and the accommodating groove are easily torn, which aggravates the damage of the rubber layer and is not conducive to actual use.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A bushing for an automobile suspension system, comprising: an outer sleeve, an inner sleeve, a closing plate, and an auxiliary part.

[0008] The inside of the outer sleeve is provided with an inner sleeve, the inner wall of the outer sleeve is provided with a plurality of insertion grooves in an annular array, the auxiliary part is composed of an insertion rod, a reinforcing plate and an inner cavity, the insertion rod and the insertion grooves are in plug-in connection, the number and shape of the two are consistent, the reinforcing plate is arranged between the inner sides of the insertion rod, a plurality of reinforcing plates are arranged at intervals on the reinforcing plate, the reinforcing plate has a whole annular plate structure, and a space is left between the inner opening of the reinforcing plate and the inner sleeve.

[0009] In one embodiment, the outer sleeve is provided with a positioning plate outside the top opening of the outer sleeve, the positioning plate has a whole annular structure, and the positioning plate is provided with a connecting hole.

[0010] In one embodiment, the outer sleeve is provided with a mounting plate on the top surface, the mounting plate is provided with a mounting hole corresponding to the connecting hole on the side of the top surface, and the mounting hole and the connecting hole are in screwing fixation.

[0011] In one embodiment, the bottom surface of the mounting plate is provided with a fixing pin.

[0012] In one embodiment, the top surface of the insertion rod is provided with a positioning groove, and the positioning groove is in plug-in connection with the fixing pin.

[0013] The utility model discloses the beneficial effects are as follows:

[0014] (1), the utility model discloses a rubber layer between the outer sleeve and the inner sleeve is injected through vulcanization, makes the rubber layer between the upper surface and the lower surface of the inner cavity and the reinforcing plate, makes the rubber layer form upper and lower annular pulling structure, improves the pulling surface and the pulling strength simultaneously, makes the rubber layer have the anti -drop effect, is more in line with actual use, when installing the mounting plate, makes the fixing pin insert the inside of the positioning groove, provides secondary fixed limit for the auxiliary part whole, improves the use stability, and through the structural setting of the auxiliary part, when subsequent maintenance, convenient for replacing the rubber layer, can also make the auxiliary part secondary use after processing, improves practicality. ACCURACY

[0015] Figure 1 It is the overall structure diagram of the utility model;

[0016] Figure 2 It is the detail drawing of the utility model after splitting each component;

[0017] Figure 3 It is the detail drawing of the utility model after splitting the outer sleeve and the inner sleeve;

[0018] Figure 4 It is the detail drawing of the auxiliary part of the utility model.

[0019] Corresponding name of the reference sign is: outer sleeve 1, positioning plate 11, slot 12, inner sleeve 2, closing plate 3, fixing pin 31, auxiliary 4, plug rod 41, reinforcing plate 42, inner cavity 43, positioning groove 44. DETAILED DESCRIPTION

[0020] The utility model is further described below in combination with the drawings and examples, and the mode of the utility model includes but is not limited to the following examples.

[0021] As Figures 1-2 Indicated, the utility model provides a kind of bushing of automobile suspension system, comprising: outer sleeve 1, inner sleeve 2, closing plate 3, auxiliary 4;

[0022] As Figures 1-4 Indicated, the inside of the outer sleeve 1 is equipped with inner sleeve 2, the inner wall of the outer sleeve 1 is ring array and is equipped with slot 12, the auxiliary 4 is made of plug rod 41, reinforcing plate 42, inner cavity 43, the plug rod 41, slot 12 are plug-in connection, the quantity, shape of both are identical, reinforcing plate 42 is installed between the inner side of the plug rod 41, the reinforcing plate 42 is equipped with multiple in upper and lower interval, the reinforcing plate 42 is overall and is circular ring plate structure, reinforcing plate 42 is spaced between inner mouth and inner sleeve 2, the face of reinforcing plate 42 towards inner sleeve 2 is open type and is set, forms inner cavity 43, when working, by being injected rubber layer between outer sleeve 1 and inner sleeve 2 through vulcanization, make rubber layer be wrapped between inner cavity 43 and the upper and lower faces of reinforcing plate 42, make rubber layer form upper and lower annular pulling structure, while improving pulling face and pulling strength, make rubber layer have anti-drop effect, more in line with actual use.

[0023] Preferably, in one embodiment, as Figures 1-2 Indicated, the top opening outside of the outer sleeve 1 is equipped with positioning plate 11 by welding, the positioning plate 11 is overall and is ring structure, the positioning plate 11 is equipped with connecting hole.

[0024] Preferably, in one embodiment, as Figures 1-4 Indicated, the top surface of the outer sleeve 1 is equipped with mounting plate 3, the top surface side of the mounting plate 3 is equipped with mounting hole corresponding to connecting hole, and the mounting plate 3 is in a connected state between the mounting plate 3 and the positioning plate 11 and the outer sleeve 1 by screwing in fixed bolt.

[0025] Preferably, in one embodiment, as Figure 4 Indicated, the bottom surface of the mounting plate 3 is equipped with fixing pin 31.

[0026] Preferably, in one embodiment, as Figure 4As shown, the top surface of the inserting rod 41 is provided with a positioning groove 44, the positioning groove 44 is connected with the fixed pin 31 in plug-in mode, during work, when the mounting plate 3 is installed, the fixed pin 31 is inserted into the inside of the positioning groove 44, the secondary fixing and limiting of the auxiliary part 4 is provided, the stability of use is improved, and through the structural setting of the auxiliary part 4, when subsequent maintenance is carried out, the rubber layer can be conveniently replaced, and the auxiliary part 4 can be used again after treatment, the practicability is improved.

[0027] The working principle of the utility model:

[0028] During work, the rubber layer is wrapped between the upper and lower surfaces of the inner cavity 43 and the reinforcing plate 42 by vulcanizing injection of the rubber layer between the outer sleeve 1 and the inner sleeve 2, the rubber layer forms an upper and lower annular pulling structure, the rubber layer has the anti-dropping effect while improving the pulling surface and the pulling strength, is more in line with actual use, when the mounting plate 3 is installed, the fixed pin 31 is inserted into the inside of the positioning groove 44, the secondary fixing and limiting of the auxiliary part 4 is provided, the stability of use is improved, and through the structural setting of the auxiliary part 4, when subsequent maintenance is carried out, the rubber layer can be conveniently replaced, and the auxiliary part 4 can be used again after treatment, the practicability is improved.

[0029] The above embodiment is only one of the preferred embodiments of the utility model, should not be used to limit the protection scope of the utility model, but any substantial change or polishing made in the main design idea and spirit of the utility model, the technical problems solved are still consistent with the utility model, should be contained in the protection scope of the utility model.

Claims

1. A bushing for a vehicle suspension system, characterized by, Include: Outer sleeve, inner sleeve, closure plate, auxiliary; The inner sleeve is arranged in the outer sleeve, and the inner wall of the outer sleeve is arranged with a plurality of insertion grooves in an annular array, the auxiliary is composed of an insertion rod, a reinforcing plate and an inner cavity, the insertion rod and the insertion groove are connected in an insertion mode, the number and shape of the two are consistent, the reinforcing plate is arranged between the inner sides of the insertion rod, a plurality of reinforcing plates are arranged in an interval manner on the reinforcing plate, the reinforcing plate has a whole annular plate structure, a space is left between the inner opening of the reinforcing plate and the inner sleeve, the surface of the reinforcing plate facing the inner sleeve is arranged in an open mode to form the inner cavity.

2. A bushing for a vehicle suspension system as defined in claim 1, wherein, The outer sleeve is arranged with a positioning plate outside the top opening, the positioning plate has a whole annular structure, and the positioning plate is arranged with a connecting hole.

3. A bushing for a vehicle suspension system as defined in claim 2, wherein, The outer sleeve is arranged with a mounting plate on the top surface, the mounting plate is arranged with a mounting hole corresponding to the connecting hole on the top surface side, and the mounting hole and the connecting hole are connected through a fixed bolt screwed in.

4. A bushing for a vehicle suspension system as defined in claim 3, wherein The mounting plate is arranged with a fixed pin on the bottom surface.

5. The bushing for a vehicle suspension system of claim 1 wherein, The top surface of the insertion rod is arranged with a positioning groove, and the positioning groove is connected with the fixed pin in an insertion mode.