Elastic damping bushing assembly

By using a split outer ring structure and a limiting groove design, the problems of inconvenient rubber ring replacement and poor stability are solved, achieving convenient disassembly and stable installation.

CN223635213UActive Publication Date: 2025-12-05CHANGZHOU PENGNIU MACHINERY CO LTD
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Patent Information

Application Number
CN202423273973.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-05
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing vibration damping bushings present difficulties in terms of rubber ring replacement and stability; rubber ring replacement is inconvenient and prone to displacement.

Method used

The design employs a split outer ring structure, combined with a limiting groove and threaded connection, to achieve convenient disassembly and stable installation of the rubber ring.

Benefits of technology

It facilitates the installation and removal of rubber rings, improves their stability, and prevents relative displacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an elastic damping bushing assembly which comprises an inner ring, the outer wall of the inner ring is sleeved with a rubber ring, the outer wall of the rubber ring is provided with an outer ring, and the outer ring comprises a first semi-ring block, a second semi-ring block, an arc-shaped limiting groove, an inserting groove, a first threaded hole, a bolt, an inserting block and a second threaded hole. And annular limiting grooves are formed in the outer walls of the upper end and the lower end of the inner ring correspondingly, first annular protrusions are fixedly installed at the upper end and the lower end of an inner cavity of the rubber ring correspondingly, and second annular protrusions are fixedly installed at the upper end and the lower end of the outer wall of the rubber ring correspondingly. According to the elastic damping bushing assembly, the outer ring and the outer ring are of a split type structure, after the outer ring is detached, the rubber ring is convenient to detach and install and detach, limiting structures are arranged between the rubber ring and the inner ring and between the rubber ring and the outer ring, relative displacement between the rubber ring and the inner ring and between the rubber ring and the outer ring is avoided, and the service life of the rubber ring is prolonged. The stability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of elastic damping bushing, specifically to an elastic damping bushing assembly. BACKGROUND

[0002] The damping bushing is usually installed at the relevant connecting part of the electric vehicle damper to play the role of buffering and damping.

[0003] The damping bushing assembly in the prior art comprises three component structures, namely an inner ring, a rubber ring and an outer ring, and the rubber ring is installed between the outer wall of the inner ring and the inner wall of the outer ring.

[0004] 1. The damping bushing, especially those made of flexible rubber material, is very susceptible to corrosion and aging and belongs to a vulnerable structure, so the rubber ring needs to be replaced.

[0005] 2. The rubber ring is prone to deviation between the inner ring and the outer ring.

[0006] Therefore, the utility model provides an elastic damping bushing assembly. UTILITY MODEL CONTENTS

[0007] (I) Technical problem solved

[0008] In view of the deficiencies in the prior art, the utility model provides an elastic damping bushing assembly, which is convenient to assemble and disassemble, facilitates replacement of the rubber ring, and is more stable after installation.

[0009] (II) Technical scheme

[0010] To achieve the above purpose, the utility model adopts the technical scheme of an elastic damping bushing assembly comprising an inner ring, an outer wall of the inner ring being provided with a rubber ring, an outer wall of the rubber ring being provided with an outer ring, the outer ring comprising a first half ring block, a second half ring block, an arc-shaped limiting groove, a slot, a first threaded hole, a bolt, a plug and a second threaded hole, and the outer wall of the upper and lower ends of the inner ring being provided with an annular limiting groove, the upper and lower ends of the inner ring being provided with a first annular protrusion, and the upper and lower ends of the outer wall of the rubber ring being provided with a second annular protrusion.

[0011] Preferably, the rubber ring is sleeved on the outer wall of the inner ring, and the first annular protrusion is limited in the annular limiting groove.

[0012] Preferably, the outer ring is mounted on the outer wall of the rubber ring, and the second annular protrusion is limited in the arc-shaped limiting groove.

[0013] Preferably, the arc-shaped limiting groove, the slot, the first threaded hole, the bolt, the block, and the second threaded hole are four groups, the four groups of slots are arranged on the four corners of the outer surface of the first half ring block close to the second half ring block, the four groups of blocks are fixedly installed on the four corners of the outer surface of the second half ring block close to the first half ring block, the first threaded hole is arranged on the left and right sides of the outer surface of the first half ring block at the upper and lower ends, and the lower end of the first threaded hole is communicated with the slot, and the second threaded hole is arranged on the middle part of the outer surface of the upper end of the block.

[0014] Preferably, the four groups of arc-shaped limiting grooves are arranged on the upper and lower sides of the inner walls of the first half ring block and the second half ring block.

[0015] Preferably, the outer wall of the block is inserted into the slot, and the bolt is threadedly connected between the first threaded hole and the second threaded hole.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a kind of elastic shock absorbing bushing assembly, with the following beneficial effects:

[0018] 1、The elastic shock absorbing bushing assembly is provided with an outer ring, the outer ring is of split structure, the rubber ring can be easily disassembled after the outer ring is disassembled, and the rubber ring can be easily installed and disassembled.

[0019] 2、The elastic shock absorbing bushing assembly is provided with a limiting structure between the rubber ring and the inner ring and the outer ring, to prevent relative displacement between the rubber ring and the inner ring and the outer ring, and improve stability. DETAILED DESCRIPTION

[0020] Figure 1 It is a whole structure schematic view of the elastic shock absorbing bushing assembly of the utility model.

[0021] Figure 2 It is a structure schematic view of the inner ring in the elastic shock absorbing bushing assembly of the utility model.

[0022] Figure 3 It is a structure schematic view of the rubber ring in the elastic shock absorbing bushing assembly of the utility model.

[0023] Figure 4 It is a structure exploded schematic view of the outer ring in the elastic shock absorbing bushing assembly of the utility model.

[0024] In the diagram: 1. Inner ring; 2. Rubber ring; 3. Outer ring; 4. Annular limiting groove; 5. First annular protrusion; 6. Second annular protrusion; 7. First half-ring block; 8. Second half-ring block; 9. Arc-shaped limiting groove; 10. Slot; 11. First threaded hole; 12. Bolt; 13. Insert block; 14. Second threaded hole. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] This embodiment is an elastic damping bushing assembly.

[0027] like Figures 1-4 As shown, it includes an inner ring 1, a rubber ring 2 sleeved on the outer wall of the inner ring 1, and an outer ring 3 on the outer wall of the rubber ring 2. The outer ring 3 includes a first half-ring block 7, a second half-ring block 8, an arc-shaped limiting groove 9, a slot 10, a first threaded hole 11, a bolt 12, an insert block 13, and a second threaded hole 14. The outer walls at both the upper and lower ends of the inner ring 1 are provided with annular limiting grooves 4. The upper and lower ends of the inner cavity of the rubber ring 2 are fixedly installed with a first annular protrusion 5, and the upper and lower ends of the outer wall of the rubber ring 2 are fixedly installed with a second annular protrusion 6.

[0028] After the rubber ring 2 is fitted onto the outer wall of the inner ring 1, the first annular protrusion 5 is confined in the annular limiting groove 4; after the outer ring 3 is installed on the outer wall of the rubber ring 2, the second annular protrusion 6 is confined in the arc-shaped limiting groove 9; the number of arc-shaped limiting groove 9, slot 10, first threaded hole 11, bolt 12, insert 13, and second threaded hole 14 are all four sets. The four sets of slots 10 are opened at the four corners of the outer surface of the first half-ring block 7 near the second half-ring block 8, and the four sets of inserts 13 are fixedly installed on the second half-ring block 8 near the... The first threaded hole 11 is opened on the left and right sides of the outer surface of the upper and lower ends of the first semi-ring block 7 at the four corners of one side of the outer surface, and the lower end of the first threaded hole 11 is connected to the slot 10. The second threaded hole 14 is opened in the middle of the upper outer surface of the insert block 13. Four sets of arc-shaped limiting grooves 9 are opened on the upper and lower sides of the inner wall of the first semi-ring block 7 and the second semi-ring block 8. The outer wall of the insert block 13 is inserted into the slot 10, and the bolt 12 is threaded between the first threaded hole 11 and the second threaded hole 14.

[0029] Need to explain, the utility model discloses a kind of elastic shock-absorbing bushing assembly, when assembling, first, rubber ring 2 is set in the outer wall of inner ring 1, first annular protrusion 5 is limited in the inside of annular limiting groove 4, rubber ring 2 is composed with inner ring 1 again installed outer ring 3 after, when installing outer ring 3, directly first half ring block 7 and second half ring block 8 are clamped in the outer wall of rubber ring 2, so that second annular protrusion 6 is inserted into arc limiting groove 9, plug 13 is inserted into slot 10, after bolt 12 is threadedly connected between first threaded hole 11 and plug 13, to realize assembly, the outer ring 3 of setting, outer ring 3 is split type structure, after outer ring 3 is dismantled, it is convenient to dismantle rubber ring 2, it is convenient to install and dismantle rubber ring 2;First annular protrusion 5 is limited in annular limiting groove 4, can increase the stability between rubber ring 2 and inner ring 1, avoid relative displacement between rubber ring 2 and inner ring 1, second annular protrusion 6 is inserted into arc limiting groove 9, avoid relative displacement between rubber ring 2 and outer ring 3, improve stability.

[0030] Need to explain, in this paper, such as first and second (No. 1, No. 2) relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0031] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A resilient shock absorbing bushing assembly comprising an inner ring (1), the outer wall of the inner ring (1) is sleeved with a rubber ring (2), the outer wall of the rubber ring (2) is provided with an outer ring (3), characterized in that: The outer ring (3) comprises a first half ring block (7), a second half ring block (8), an arc-shaped limiting groove (9), a slot (10), a first threaded hole (11), a bolt (12), an insertion block (13) and a second threaded hole (14), and the outer wall of the upper and lower ends of the inner ring (1) is provided with an annular limiting groove (4), the upper and lower ends of the inner cavity of the rubber ring (2) are fixedly provided with a first annular protrusion (5), and the upper and lower ends of the outer wall of the rubber ring (2) are fixedly provided with a second annular protrusion (6).

2. A elastomeric shock insulator assembly as in claim 1, wherein: After the rubber ring (2) is sleeved on the outer wall of the inner ring (1), the first annular protrusion (5) is limited in the annular limiting groove (4).

3. A elastomeric shock insulator assembly as set forth in claim 2 wherein: After the outer ring (3) is installed on the outer wall of the rubber ring (2), the second annular protrusion (6) is limited in the arc-shaped limiting groove (9).

4. A elastomeric shock insulator assembly as set forth in claim 3 wherein: The number of the arc-shaped limiting groove (9), the slot (10), the first threaded hole (11), the bolt (12), the insertion block (13) and the second threaded hole (14) is four groups, four groups of the slot (10) are arranged on the four corners of the outer surface of the side of the first half ring block (7) close to the second half ring block (8), four groups of the insertion block (13) are fixedly installed on the four corners of the outer surface of the side of the second half ring block (8) close to the first half ring block (7), the first threaded hole (11) is arranged on the outer surfaces of the left and right sides of the upper and lower ends of the first half ring block (7), and the lower end of the first threaded hole (11) is communicated with the slot (10), and the second threaded hole (14) is arranged on the middle part of the outer surface of the upper end of the insertion block (13).

5. A elastomeric shock insulator assembly as set forth in claim 4 wherein: Four groups of the arc-shaped limiting groove (9) are arranged on the upper and lower sides of the inner walls of the first half ring block (7) and the second half ring block (8).

6. A elastomeric shock insulator assembly as set forth in claim 5 wherein: The outer wall of the insertion block (13) is inserted into the slot (10), and the bolt (12) is threadedly connected between the first threaded hole (11) and the second threaded hole (14).