Bushing for automobile

By using reinforcement mechanism and anti-detachment components in the automobile bushing, the friction between the rubber ring and the inner tube is increased by using the convex strip and the groove structure, and convenient disassembly is achieved through threaded connection, which solves the problem of disengagement caused by the deformation of the rubber layer. Improves the connection strength and stability of the bushing.

CN222185592UActive Publication Date: 2024-12-17WENZHOU DAOSHENG LOCOMOTIVE PARTS CO LTD
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Patent Information

Application Number
CN202421603334.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2024-12-17
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

The rubber layer of the existing automobile bushing is prone to deformation during use, causing the inner tube to detach from the rubber layer, affecting the stability of use and difficult to disassemble and repair, resulting in waste of resources.

Method used

A bushing including inner tube, rubber ring and outer tube is designed. The reinforcement connection between the rubber ring and inner tube and the anti-detachment protection of the outer tube is achieved through a reinforcement mechanism and anti-detachment assembly, and the convex strip and groove structure are used to increase. Friction and threaded connections are easy to disassemble and fix.

Benefits of technology

The connection strength between the rubber ring and the inner tube is improved, convenient disassembly and replacement is achieved, service life is extended, and the external tube is prevented from being disengaged by anti-detachment components, improving the stability of the overall structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile bushing which comprises an inner pipe, a rubber ring and an outer pipe and further comprises a reinforcing mechanism used for improving the connection strength in the bushing. The clamping assembly is used for achieving reinforced connection of the inner pipe and the rubber ring; the plurality of raised lines are uniformly and fixedly arranged on the inner wall of the rubber ring; the grooves I are semicircular and are uniformly formed in the outer wall of the inner pipe; the second grooves are formed between the adjacent first grooves, and the depth of the second grooves is lower than that of the first grooves; the convex strip, the groove I and the groove II are the same in diameter; the upper fixing disc is movably arranged at the top of the inner pipe; the lower fixing disc is fixedly arranged at the bottom of the inner pipe; and the fixing piece is fixedly connected with the upper fixing disc and the inner pipe, in daily production and life, the friction force between the rubber ring and the inner pipe is increased through arrangement of the second grooves and the protruding strips, the position of the rubber ring is fixed through arrangement of the fixing disc and the lower fixing disc, and convenient disassembly of the rubber ring and the inner pipe and replacement of parts are achieved.
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Description

Technical Field

[0001] The utility model relates to a bushing for an automobile. Background Art

[0002] When mechanical equipment is running, the shaft rotates at high speed. In order to improve the stability of the shaft, avoid wear of the shaft due to frictional heat, and increase the service life of the shaft, a bushing is fixed on the outside of the shaft to protect the shaft. In automobile manufacturing and operation, it is also necessary to connect the shaft with the bushing; the bushing usually includes an outer tube, an inner tube and a rubber layer, and the inner tube and the outer tube are fixedly connected by the rubber of the middle layer. However, the rubber layer of the bushing is prone to deformation during use, and the inner tube may be partially detached due to the deformation of the rubber layer, affecting the normal use of the bushing, and the bushing cannot be disassembled, repaired or replaced, resulting in a waste of production resources for the bushing. Summary of the invention

[0003] The utility model aims to solve one of the technical problems existing in the prior art.

[0004] The present application provides a bushing for an automobile, comprising an inner tube, a rubber ring and an outer tube, and further comprising:

[0005] A reinforcement mechanism for achieving improved connection strength within the bushing;

[0006] The outer tube is composed of two semi-rings.

[0007] The reinforcement mechanism includes:

[0008] A clamping assembly, which is used to realize a reinforced connection between the inner tube and the rubber ring;

[0009] The anti-drop component is used to provide anti-drop protection for the outer tube.

[0010] The card assembly includes:

[0011] A clamping piece, which is arranged on the outer wall of the inner tube and the inner wall of the rubber ring;

[0012] The reinforcing piece is fixedly arranged at both ends of the inner tube and extends outside the end of the rubber ring.

[0013] The card connector includes:

[0014] A plurality of convex strips are evenly and fixedly arranged on the inner wall of the rubber ring;

[0015] A plurality of grooves 1, which are semicircular and evenly arranged on the outer wall of the inner tube;

[0016] A plurality of grooves 2, which are arranged between adjacent grooves 1 and have a groove depth lower than that of the grooves 1;

[0017] The diameters of the circles where the convex strip, the first groove and the second groove are located are the same.

[0018] Reinforcements include:

[0019] An upper fixed plate, which is movably arranged on the top of the inner tube and has a threaded groove at the bottom;

[0020] A lower fixed plate, which is fixed to the bottom of the inner tube;

[0021] The threaded hole is provided on the inner tube and the lower fixing plate, and is opposite to the threaded groove;

[0022] The fixing piece is fixed in the threaded hole and the threaded groove.

[0023] The anti-drop components include:

[0024] An upper cover, which is movably arranged on the top of the outer tube;

[0025] A lower cover, which is movably arranged at the bottom of the outer tube and fixedly connected to the upper cover;

[0026] A pair of anti-slip parts are arranged between the upper cover and the lower cover.

[0027] Anti-slip parts include:

[0028] A limiting groove is provided at the bottom of the upper cover;

[0029] A mounting groove, which is arranged at the top of the lower cover and has a spring fixed inside;

[0030] A limiting rod, which is fixedly connected to the spring and has a top extending into the limiting groove;

[0031] The movable rod movably penetrates the lower cover and is fixedly connected to the side of the limiting rod.

[0032] Also includes:

[0033] Thread 1, which is arranged on the inner wall of the bottom of the upper cover;

[0034] The second thread is arranged on the outer wall of the top of the lower cover and is threadably connected with the first thread.

[0035] Also includes:

[0036] A pair of positioning grooves are provided at both ends of the outer tube;

[0037] A pair of positioning rings are fixedly arranged at both ends of the rubber ring and movably installed in the positioning groove.

[0038] The beneficial effects of the utility model are as follows:

[0039] 1. The friction between the rubber ring and the inner tube is increased by setting the second groove and the convex strip. The position of the rubber ring is fixed by setting the fixing plate and the lower fixing plate, so that the rubber ring and the inner tube can be easily disassembled, the replacement of components is convenient, and the connection strength between the rubber ring and the inner tube is improved;

[0040] 2. The threaded connection between the upper cover and the lower cover not only fixes the outer tube, but also facilitates the disassembly of the outer tube. At the same time, the setting of the limit rod prevents the upper cover and the lower cover from slipping, further improving the connection strength of the internal structure of the bushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a top view of the cross-section of the rubber ring and the inner tube in the embodiment of the present application;

[0042] Figure 2 It is a side cross-sectional view of the bushing in the embodiment of the present application;

[0043] Figure 3 Based Figure 2 A schematic diagram of the enlarged local structure in the middle.

[0044] Reference numerals

[0045] 1-inner tube, 2-rubber ring, 3-outer tube, 4-reinforcement mechanism, 5-clamping assembly, 6-anti-slip assembly, 7-clamping part, 8-reinforcement part, 9-convex strip, 10-groove one, 11-groove two, 12-upper fixed plate, 13-thread groove, 14-lower fixed plate, 15-thread hole, 16-fixing part, 17-upper cover, 18-lower cover, 19-anti-slip part, 20-limiting groove, 21-installation groove, 22-limiting rod, 23-movable rod, 24-thread one, 25-thread two, 26-positioning groove, 27-positioning ring. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0047] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0048] The server provided in the embodiment of the present application is described in detail below through specific embodiments and application scenarios in conjunction with the accompanying drawings.

[0049] Embodiment 1:

[0050] like Figure 1 to Figure 2 As shown, an embodiment of the present application provides a bushing for an automobile, comprising an inner tube 1, a rubber ring 2 and an outer tube 3, and also comprising a reinforcement mechanism 4, which is used to improve the connection strength inside the bushing; wherein the outer tube 3 is composed of two semi-rings.

[0051] Furthermore, the clamping assembly 5 is used to realize a reinforced connection between the inner tube 1 and the rubber ring 2 .

[0052] Furthermore, the clamping member 7 is arranged on the outer wall of the inner tube 1 and the inner wall of the rubber ring 2 ; the reinforcing member 8 is fixedly arranged at both ends of the inner tube 1 and extends to the outside of the end of the rubber ring 2 .

[0053] Furthermore, a plurality of convex strips 9 are evenly and fixedly arranged on the inner wall of the rubber ring 2; a plurality of grooves 10 are semicircular and evenly arranged on the outer wall of the inner tube 1; a plurality of grooves 11 are arranged between adjacent grooves 10, and the groove depth is lower than that of the grooves 10; wherein the diameter of the circle where the convex strips 9, the grooves 10 and the grooves 11 are located is the same.

[0054] Furthermore, the upper fixed plate 12 is movably arranged on the top of the inner tube 1, and a threaded groove 13 is provided at the bottom; the lower fixed plate 14 is fixedly arranged at the bottom of the inner tube 1; the threaded hole 15 is arranged on the inner tube 1 and the lower fixed plate 14, and is opposite to the threaded groove 13; the fixing piece 16 is fixedly arranged in the threaded hole 15 and the threaded groove 13.

[0055] In this embodiment of the present application, due to the adoption of the above-mentioned structure, a plurality of convex strips 9 are evenly arranged on the inner wall of the rubber ring 2, and a plurality of grooves 10 are arranged on the outer wall of the inner tube 1, and the convex strips 9 can be completely embedded in the grooves 10; a groove 11 is arranged between adjacent grooves 10, and the position of the groove 11 is close to the groove 10 on one side, and the groove depth of the groove 11 is lower than that of the groove 10, so that when the convex strips 9 are installed in the groove 11, the friction between the rubber ring 2 and the inner tube 1 can be increased by squeezing the convex strips 9.

[0056] The lower fixing plate 14 is fixedly connected to the bottom end of the inner tube 1, and threaded holes 15 are provided inside the fixing plate and the inner tube 1; the upper fixing plate 12 is movably arranged above the top of the inner tube 1, and a threaded groove 13 is provided at the bottom of the upper fixing plate 12, the threaded groove 13 is opposite to the threaded hole 15, and is installed in the threaded hole 15 and the threaded groove 13 through a fixing member 16 (such as a bolt), so that the upper fixing plate 12 is fixed to the top end of the inner tube 1, and the fixing plate extends to the end of the rubber ring 2, thereby fixing the position of the rubber ring 2.

[0057] During installation, the groove 10 on the inner tube 1 is aligned with the convex strip 9 on the inner wall of the rubber ring 2, the inner tube 1 is pushed by the lower fixing plate 14, the convex strip 9 is embedded in the groove 10, and then the inner tube 1 is rotated by the lower fixing plate 14, and the convex strip 9 is embedded in the groove 2 11 by the rotation of the inner tube 1; the upper fixing plate 12 is placed on the top of the inner tube 1, and then the fixing piece 16 is installed in the threaded hole 15 and the threaded groove 13, and the upper fixing plate 12 is fixed to the top of the inner tube 1, and the friction between the rubber ring 2 and the inner tube 1 is increased by squeezing the convex strip 9 by the groove 2 11, and the position of the rubber ring 2 is fixed by the upper fixing plate 12 and the lower fixing plate 14. Through the above operation, not only the connection strength between the rubber ring 2 and the inner tube 1 is improved, but also the rubber ring 2 and the inner tube 1 can be easily disassembled, which is convenient for the replacement of components.

[0058] Embodiment 2:

[0059] like Figures 1 to 3 As shown, in this embodiment, in addition to the structural features of the aforementioned embodiments, an anti-dropping component 6 is also included, which is used to implement an anti-dropping protective cover 17 for the outer tube 3, and the cover 17 is movably arranged on the top of the outer tube 3.

[0060] Furthermore, the lower cover 18 is movably disposed at the bottom of the outer tube 3 and fixedly connected to the upper cover 17 ; a pair of anti-slip members 19 are disposed between the upper cover 17 and the lower cover 18 .

[0061] Furthermore, a limit groove 20 is provided at the bottom of the upper cover 17; a mounting groove 21 is provided at the top of the lower cover 18, and a spring is fixedly provided inside; a limit rod 22 is fixedly connected to the spring, and the top extends into the limit groove 20; a movable rod 23 movably passes through the lower cover 18 and is fixedly connected to the side of the limit rod 22.

[0062] Furthermore, thread one 24 is provided on the inner wall at the bottom of the upper cover 17 ; thread two 25 is provided on the outer wall at the top of the lower cover 18 and is threadably connected to thread one 24 .

[0063] Furthermore, a pair of positioning grooves 26 are provided at both ends of the outer tube 3 ; a pair of positioning rings 27 are fixedly provided at both ends of the rubber ring 2 and movably installed in the positioning grooves 26 .

[0064] In this embodiment of the present application, due to the adoption of the above-mentioned structure, the outer tube 3 is composed of a pair of semi-rings, and positioning grooves 26 are provided on the inner walls at both ends of the outer tube 3, and positioning rings 27 are fixedly provided on the outer walls at both ends of the rubber tube. By installing the positioning rings 27 into the positioning grooves 26, the positioning connection between the outer tube 3 and the rubber ring 2 is achieved.

[0065] The upper cover 17 is movably arranged outside the top of the outer tube 3, and the lower cover 18 is movably arranged outside the bottom of the outer tube 3, and a thread 1 24 is arranged at the bottom of the upper cover 17, and a thread 2 25 is arranged at the top of the lower cover 18. The upper cover 17 and the lower cover 18 are fixedly connected by the meshing connection of the thread 1 24 and the thread 2 25, and then the outer tube 3 is fixed by the arrangement of the upper cover 17 and the lower cover 18.

[0066] A limiting groove 20 is provided at the bottom of the upper cover 17, and the limiting groove 20 is located on the side of thread one 24. A mounting groove 21 is provided at the top of the lower cover 18, and the mounting groove 21 is located on the side of thread two 25. A spring is fixedly provided in the mounting groove 21, and the top end of the spring is fixedly connected to a limiting rod 22, and the top end of the limiting rod 22 movably extends into the limiting groove 20; a through hole is provided on the side of the lower cover 18, and the top end of the movable rod 23 movably passes through the through hole and is fixedly connected to the side of the limiting rod 22.

[0067] During installation, the outer tube 3 is symmetrically spliced ​​on both sides of the rubber ring 2, and the positioning ring 27 is installed in the positioning groove 26. Then, the upper cover 17 and the lower cover 18 are respectively covered on the two ends of the outer tube 3 to limit and fix the outer tube 3; the movable rod 23 is moved downward, and the movable rod 23 drives the limiting rod 22 to move downward and squeeze the spring. Then, by rotating the upper cover 17, the upper cover 17 and the lower cover 18 are fixedly connected. At this time, the fixation of the movable rod 23 is released, and the spring recovers its deformation, pushing the movable rod 23 to move downward. The movable rod 23 and the limiting rod 22 return to their original positions, and the limiting rod 22 is installed in the limiting groove 20. The semi-annular setting of the outer tube 3 allows the outer tube 3 to be conveniently disassembled. The setting of the upper cover 17 and the lower cover 18 allows the outer tube 3 to be fixed. The threaded connection between the upper cover 17 and the lower cover 18 allows the upper cover 17 and the lower cover 18 to be conveniently disassembled, which facilitates the inspection and disassembly of the bushing. At the same time, the setting of the limiting rod 22 allows the upper cover 17 and the lower cover 18 to be prevented from slipping.

[0068] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0069] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A bushing for automobile, comprising an inner tube (1), a rubber ring (2) and an outer tube (3), characterized in that: Also includes: A reinforcement mechanism (4) for improving the connection strength in the bushing; Wherein, the outer tube (3) is composed of two semi-rings.

2. The automotive bushing according to claim 1, characterized in that: The reinforcement mechanism (4) comprises: A clamping assembly (5) used to realize a reinforced connection between the inner tube (1) and the rubber ring (2); An anti-drop component (6) is used to provide anti-drop protection for the outer tube (3).

3. The automotive bushing according to claim 2, characterized in that: The clamping assembly (5) comprises: A clamping member (7) is arranged on the outer wall of the inner tube (1) and the inner wall of the rubber ring (2); The reinforcing member (8) is fixedly arranged at both ends of the inner tube (1) and extends outside the end of the rubber ring (2).

4. The automotive bushing according to claim 3, characterized in that: The clamping member (7) comprises: A plurality of convex strips (9) are evenly fixed on the inner wall of the rubber ring (2); A plurality of grooves (10) which are semicircular and evenly arranged on the outer wall of the inner tube (1); A plurality of grooves 2 (11), which are arranged between adjacent grooves 1 (10) and have a groove depth lower than that of the grooves 1 (10); The diameters of the circles where the convex strip (9), the first groove (10) and the second groove (11) are located are the same.

5. The automotive bushing according to claim 3, characterized in that: The reinforcement member (8) comprises: An upper fixed plate (12) is movably arranged on the top of the inner tube (1) and has a threaded groove (13) at the bottom; A lower fixed plate (14) fixedly arranged at the bottom of the inner tube (1); A threaded hole (15) is provided on the inner tube (1) and the lower fixing plate (14) and is opposite to the threaded groove (13); The fixing member (16) is fixedly arranged in the threaded hole (15) and the threaded groove (13).

6. The automotive bushing according to claim 2, characterized in that: The anti-drop assembly (6) comprises: An upper cover (17) movably disposed on the top of the outer tube (3); A lower cover (18) is movably disposed at the bottom of the outer tube (3) and fixedly connected to the upper cover (17); A pair of anti-slip parts (19) are arranged between the upper cover (17) and the lower cover (18).

7. The automotive bushing according to claim 6, characterized in that: The anti-slip member (19) comprises: A limiting groove (20) is provided at the bottom of the upper cover (17); A mounting groove (21) is provided on the top of the lower cover (18) and has a spring fixed therein; A limiting rod (22) is fixedly connected to the spring, and the top of the limiting rod extends into the limiting groove (20); The movable rod (23) movably penetrates the lower cover (18) and is fixedly connected to the side of the limiting rod (22).

8. The automotive bushing according to claim 6, characterized in that: Also includes: A thread 1 (24) provided on the inner wall of the bottom of the upper cover (17); Thread 2 (25) is disposed on the top outer wall of the lower cover (18) and is threadably connected to thread 1 (24).

9. The automotive bushing according to claim 1, characterized in that: Also includes: A pair of positioning grooves (26) provided at both ends of the outer tube (3); A pair of positioning rings (27) are fixedly arranged at both ends of the rubber ring (2) and movably installed in the positioning groove (26).