Automobile damping composite bushing

Abstract

The utility model relates to the technical field of automobile linings, in particular to an automobile damping composite lining which comprises an automobile outer lining, a rubber middle bearing sleeve is fixedly connected to the inner wall of the automobile outer lining, an automobile inner lining is fixedly connected to the inner wall of the rubber middle bearing sleeve, inner grooves are formed in the front side and the rear side of the automobile outer lining, and the inner grooves are communicated with the automobile outer lining. The inner wall of the inner groove abuts against a clamping insertion rod in an anti-skid mode, constraint clamping grooves are formed in the top and the bottom of the automobile neck bush correspondingly, constraint clamping plates are clamped to the inner walls of the constraint clamping grooves, and limiting rotating rods are rotationally connected to the surfaces of the constraint clamping plates through bearings. By arranging the inner metal sleeve, the outer metal sleeve and the inner three-layer rubber, the automobile damping composite bush has good elastic supporting and plastic springback resetting effects, the effect that external structural parts are added for connection supporting and external expansion stabilization is achieved, and the inner and outer protection durable disassembly and assembly practicability effects of the automobile damping composite bush are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of automobile shock-absorbing composite bushings, belong to automobile bushing technical field. BACKGROUND

[0002] Automobile composite bushing is made of bimetal, which is used in automobile movement to achieve the purpose of load bearing and buffering. Automobile bushing is one of the indispensable parts in automobile suspension system, and its main function is buffering, shock absorption and noise reduction.

[0003] For example, patent No. CN202421012952.0, a kind of automobile shock-absorbing composite bushings, including router and fixed plate, the fixed plate is located at the front of router, the two sides of the front of router are installed with fixed mechanism, the lower end of the front of router is fixedly connected with mounting seat, the mounting seat is rotatably connected with second rotating plate through pivot, the two sides of the upper end of second rotating plate are provided with slot, the front upper end of second rotating plate is fixedly connected with connecting plate, the lower end of connecting plate is fixedly connected with plug-in board, the plug-in board is inserted into the inside of fixed plate.

[0004] Due to the above-mentioned automobile shock-absorbing composite bushing, the overall structure is relatively simple, and the automobile shock-absorbing composite bushing may slip after long-term use and disassembly of the swing arm structure, and the single layer of the same rubber has limited compression resistance and shock absorption effect, which brings certain adverse effects to the actual use, and therefore needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of automobile shock-absorbing composite bushing, the utility model is connected with the effect of the inside three layers of rubber of automobile shock-absorbing composite bushing inner and outer metal sleeve, with good elastic support and plastic resilience reset effect, and increase the effect of external structural component to support and support expansion stability, to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of automobile shock-absorbing composite bushing, including automobile outer bushing, the inner wall of automobile outer bushing is fixedly connected with rubber middle bearing sleeve, the inner wall of rubber middle bearing sleeve is fixedly connected with automobile inner bushing, the front side and the back side of automobile outer bushing are provided with inner recess, the inner wall of inner recess is provided with clamping insertion rod, the top and bottom of automobile inner bushing are provided with restraint slot, the inner wall of restraint slot is clamped with restraint plate, the surface of restraint plate is rotatably connected with limit rotating rod by bearing.

[0008] Further, the outer sleeve and the inner sleeve of the rubber middle bearing sleeve are both hard rubber, and the surface between the two hard rubbers is fixedly connected with butadiene rubber.

[0009] Further, one end of the clamping plug rod is fixedly connected with a positioning clamping plate, one side of the inner groove inner wall is provided with a positioning clamping groove, and the inner wall of the positioning clamping groove and the surface of the positioning clamping plate are matched and connected.

[0010] Further, the main body of the clamping plug rod is a main body iron rod, the side surface of the main body iron rod is fixedly connected with a wear-resistant metal plate, and the surface of the wear-resistant metal plate and the inner wall of the inner groove are abutted.

[0011] Further, one end of the main body iron rod is fixedly connected with an extension block, the surface of the extension block is provided with a pulling hollow groove with a partition plate, and the inner wall of the pulling hollow groove is coated with a wear-resistant coating.

[0012] Further, the number of the inner grooves is six, and the six inner grooves are connected at the top and bottom circumferences of the automobile outer bushing.

[0013] Further, one end of the limiting rotating rod is connected with a matching rotating plate, and the circumferential surface of the matching rotating plate is provided with a smooth surface.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. In the present application, the automobile outer bushing and the automobile inner bushing are both metal ring pipes, the automobile outer bushing and the automobile inner bushing are supported by the rubber intermediate sleeve, the outer ring and the inner ring of the rubber intermediate sleeve are both hard rubber, which can provide basic support and compression resistance, the butadiene rubber between the two hard rubbers can provide subsequent elastic support, the elastic support and plastic rebounding effect are good, the buffer effect is achieved when the shock is applied, each point of the composite bushing can be stressed in a step-like manner, the assembly can be more closely matched, the stress can be better buffered, the purpose of protecting the automobile and the people in the automobile is achieved, and the basic protection and practical effect of the automobile shock-absorbing composite bushing are achieved.

[0016] 2. In the present application, the automobile outer bushing is used for external anti-skid and tight effect, the liquid nitrogen reduced clamping plug rod is placed in the inner groove, the positioning clamping plate and the positioning clamping groove are connected in position, the positioning and restraining effect of the clamping plug rod in the inner groove is ensured, the clamping plug rod expands and tightens the installation and positioning effect of the automobile shock-absorbing composite bushing after the temperature is recovered, when the automobile shock-absorbing composite bushing needs to be replaced, the pulling hollow groove on the extension block can be used to hook out the external structure, the tight fitting effect of the automobile outer bushing is reduced, the constraint clamping plate is inserted and positioned in the constraint clamping groove at the two ends of the automobile inner bushing, the appropriate size of the matching rotating plate on the limiting rotating rod is abutted against the outer part of the rod shaft in the automobile bushing, and the restraining and limiting protection effect of the automobile shock-absorbing composite bushing is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the specific embodiments of the present application, and do not constitute a limitation on the present application.

[0018] Figure 1 is a whole structure schematic view of the automobile damping composite bushing of the present application;

[0019] Figure 2 is a structure schematic view of the clamping insertion rod in the automobile damping composite bushing of the present application;

[0020] Figure 3 is a top view of the automobile damping composite bushing of the present application;

[0021] Figure 4 is a schematic view of the clamping insertion rod in the automobile damping composite bushing of the present application;

[0022] Figure 5 is an enlarged view of A in the automobile damping composite bushing of the present application;

[0023] The reference signs in the drawings are as follows: 1, automobile outer bushing; 2, rubber middle bearing sleeve; 3, automobile inner bushing; 4, inner groove; 5, clamping insertion rod; 6, constraint clamping groove; 7, constraint clamping plate; 8, limiting rotation rod; 9, positioning clamping plate; 10, positioning clamping groove; 11, wear-resistant metal plate; 12, extended block; 13, pulling air slot; 14, fitting rotation plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1, please refer to Figures 1-5 The present application provides a technical solution:

[0026] The automobile damping composite bushing comprises an automobile outer bushing 1, an inner wall of the automobile outer bushing 1 is fixedly connected with a rubber middle bearing sleeve 2, an inner wall of the rubber middle bearing sleeve 2 is fixedly connected with an automobile inner bushing 3, front and rear sides of the automobile outer bushing 1 are both provided with an inner groove 4, an inner wall of the inner groove 4 is provided with a clamping insertion rod 5 in anti-skid abutment, the top and bottom of the automobile inner bushing 3 are both provided with a constraint clamping groove 6, an inner wall of the constraint clamping groove 6 is clamped with a constraint clamping plate 7, and the surface of the constraint clamping plate 7 is rotationally connected with a limiting rotation rod 8 through a bearing.

[0027] Specifically, as shown in Figures 1-5 the rubber sleeve and the inner sleeve of the rubber sleeve are both hard rubber, and the surfaces of the two hard rubbers are fixedly connected with butadiene rubber. Since the outer ring and the inner ring of the rubber sleeve are both hard rubber, they can serve as basic support and compression resistance to maintain the effect. The butadiene rubber between the two hard rubbers is used for subsequent elastic support, which has good elastic support and plastic rebounding effect. When the shock is reduced, it can play a buffering role.

[0028] Further, one end of the limiting rotating rod 8 is connected with the abutting rotating plate 14, and the circumferential surface of the abutting rotating plate 14 is provided with a smooth surface. The abutting rotating plate 14 of appropriate size on the limiting rotating rod 8 is abutted against the outer part of the shaft in the automobile sleeve.

[0029] Specifically, as shown in Figures 1-5 the number of the inner grooves 4 is six, and the six inner grooves 4 are connected at the top and bottom circumferential parts of the automobile outer sleeve 1. The provision of at least six inner grooves 4 can realize multi-edge pushing and clamping of the insertion rod 5 for reinforcement and tightening.

[0030] Example 2, please refer to Figures 1-5 The difference between this embodiment and example 1 is that one end of the clamping insertion rod 5 is fixedly connected with a positioning clamping plate 9, one side of the inner wall of the inner groove 4 is provided with a positioning clamping groove 10, and the inner wall of the positioning clamping groove 10 and the surface of the positioning clamping plate 9 are connected and matched. The main body of the clamping insertion rod 5 is a main body iron rod, the side surface of the main body iron rod is fixedly connected with a wear-resistant metal plate 11, and the surface of the wear-resistant metal plate 11 and the inner wall of the inner groove 4 are in abutment. One end of the main body iron rod is fixedly connected with an extension block 12, the surface of the extension block 12 is provided with a pulling slot 13 with a partition, and the inner wall of the pulling slot 13 is coated with a wear-resistant coating. The positioning and clamping effect of the clamping insertion rod 5 in the inner groove 4 is ensured by the positioning and clamping effect of the positioning clamping plate 9 and the positioning clamping groove 10. After the clamping insertion rod 5 is restored to the temperature, it expands and tightens the installation and positioning effect of the automobile shock-absorbing composite sleeve. When it is necessary to disassemble and replace the automobile shock-absorbing composite sleeve, the pulling slot 13 on the extension block 12 can be hooked out using an external structure, which reduces the compression and abutment effect of the automobile outer sleeve 1.

[0031] The utility model discloses a working principle: in use, the automobile outer bushing 1 and automobile inner bushing 3 set up are metal ring pipe, and the automobile outer bushing 1 and automobile inner bushing 3 between the support between using rubber intermediate support 2, and because the outer ring and the inner ring of rubber intermediate support 2 are hard rubber, can be used as basic support compression maintaining effect, the butadiene rubber between two hard rubbers is used for subsequent activity elastic support, and it possesses better elastic support and plastic resilience reset effect, can play the buffering effect when shock absorbing stress, and the composite bushing can force to be stepped in compliance with bushing every point, and can be more closely matched when assembling, thereby can better buffer stress, play the purpose of protecting the car and the person in the car, in the shock absorbing composite bushing placing process, can first hit it in it, utilize automobile outer bushing 1 for external antiskid effect of close-in, then the clamping insertion rod 5 of liquid nitrogen reduction is placed in the inner recess 4, and the positioning clamping effect of positioning clamping groove 10, guarantee the positioning constraint effect of clamping insertion rod 5 in the inner recess 4, the installation positioning effect of automobile shock absorbing composite bushing of subsequent clamping insertion rod 5 after expansion tightness, when needing to carry out the dismounting and replacing automobile shock absorbing composite bushing, can first utilize the pulling empty slot 13 on the extension block 12 can use external structure hook, reduce the compression fit effect of automobile outer bushing 1, the both ends of automobile inner bushing 3 are provided with the constraint clamping groove 6 and carry out the insertion positioning of constraint clamping plate 7, make the suitable size of limiting rotary lever 8 fit rotary plate 14 and rest in the outer portion of the axle of automobile bushing, can play the protection effect of constraint limiting, enhance the internal and external protection durable dismounting practicality effect of automobile shock absorbing composite bushing.

[0032] Although the embodiments of the 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 thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A car shock absorbing composite bushing comprising a car outer bushing (1), characterized in that: The inner wall of the automobile outer bushing (1) is fixedly connected with a rubber middle sleeve (2), the inner wall of the rubber middle sleeve (2) is fixedly connected with an automobile inner bushing (3), the front side and the rear side of the automobile outer bushing (1) are provided with an inner recess (4), the inner wall of the inner recess (4) is provided with a clamping inserting rod (5), the top and the bottom of the automobile inner bushing (3) are provided with a constraint clamping groove (6), the inner wall of the constraint clamping groove (6) is clamped with a constraint clamping plate (7), and the surface of the constraint clamping plate (7) is rotatably connected with a limiting rotating rod (8) through a bearing.

2. The automotive shock absorbing composite bushing of claim 1, wherein: The outer sleeve and the inner sleeve of the rubber middle sleeve (2) are both hard rubber, and the surfaces of the two hard rubbers are fixedly connected with butadiene rubber.

3. The automotive shock absorbing composite bushing of claim 1, wherein: One end of the clamping inserting rod (5) is fixedly connected with a positioning clamping plate (9), one side of the inner recess (4) is provided with a positioning clamping groove (10), and the inner wall of the positioning clamping groove (10) and the surface of the positioning clamping plate (9) are clamped and matched.

4. The automotive shock absorbing composite bushing of claim 1, wherein: The main body of the clamping inserting rod (5) is a main body iron rod, the side surface of the main body iron rod is fixedly connected with a wear-resistant metal plate (11), and the surface of the wear-resistant metal plate (11) abuts against the inner wall of the inner recess (4).

5. The automotive shock absorbing composite bushing of claim 4, wherein: One end of the main body iron rod is fixedly connected with an extension block (12), the surface of the extension block (12) is provided with a pulling hollow groove (13) with a partition plate, and the inner wall of the pulling hollow groove (13) is coated with a wear-resistant coating.

6. The automotive shock absorbing composite bushing of claim 1, wherein: The number of the inner recess (4) is six, and the six inner recesses (4) are connected at the top and the bottom of the automobile outer bushing (1) in the circumferential direction.

7. The automotive shock absorbing composite bushing of claim 1, wherein: One end of the limiting rotating rod (8) is clamped with a close-fitting rotating plate (14), and the circumferential surface of the close-fitting rotating plate (14) is provided with a smooth surface.

Images