Back door damper

Abstract

The utility model discloses a back door damper, and belongs to the field of dampers. Comprising a mounting bracket; the mass block is mounted on the mounting bracket; the rubber layer is mounted between the mounting bracket and the mass block; two bosses are symmetrically arranged on the mounting support, the mass block and the bosses are vulcanized together through a rubber layer, through holes are formed in the bosses, connecting pieces inserted into the through holes are arranged at the two ends of the rubber layer, and anti-collision ribs are arranged on the connecting pieces. The back door damper has the beneficial effects that the back door damper is convenient to assemble, and impact abnormal sound is prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of dampers, in particular, relates to a back door damper. BACKGROUND

[0002] The conventional automobile back door damper is usually designed in two forms of integral vulcanization and assembly, the integral vulcanization is to vulcanize the mass block and the mounting bracket with the damping rubber, but due to the large size of the mounting bracket, the number of vulcanization mold cavities is small, and the production efficiency is low; although the ordinary assembly optimizes the production efficiency of the integral vulcanization, due to the special mounting structure, it is difficult to assemble, and impact noise is easy to occur during driving. CONTENT OF THE UTILITY MODEL

[0003] The content part of the present application is used to introduce the concept in a simple form, which will be described in detail in the specific embodiment part. The content part of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0004] In order to solve the technical problems mentioned in the background part, some embodiments of the present application provide a back door damper, comprising:

[0005] A mounting bracket;

[0006] A mass block mounted on the mounting bracket;

[0007] A rubber layer mounted between the mounting bracket and the mass block;

[0008] Two bosses are symmetrically arranged on the mounting bracket, the mass block and the boss are vulcanized together through the rubber layer, a through hole is arranged on the boss, connecting pieces are arranged on both ends of the rubber layer and inserted into the through hole, and an anti-collision rib is arranged on the connecting piece.

[0009] Through the arrangement of the boss, the assembly of the mass block and the rubber layer is facilitated, and through the anti-collision rib, the amplitude of the mass block is reduced to prevent impact noise.

[0010] Further, the connecting piece comprises a sleeve fixed on the rubber layer, and a limiting block fixed on the outer wall of the sleeve;

[0011] A plurality of limiting grooves are arranged on the boss and communicated with the through hole, the limiting block is at least two, and the two limiting blocks are respectively arranged in the limiting grooves.

[0012] Further, the connecting piece further comprises a first connecting ring fixed on the outer wall of the sleeve, a second connecting ring fixed on the outer wall of the sleeve, and a limiting block fixed between the first connecting ring and the second connecting ring, one end of the first connecting ring abutting against the outer wall of the through hole, and two abutting blocks symmetrically arranged on the outer wall of the through hole away from the one end of the first connecting ring, one end of the abutting block abutting against the second connecting ring.

[0013] Further, the connecting piece further comprises two connecting blocks fixed on the first connecting ring, and the connecting blocks are located outside the through hole.

[0014] Further, the diameter of the first connecting ring is equal to the diameter of the second connecting ring.

[0015] Further, the cross sections of the first connecting ring and the second connecting ring are both trapezoidal structures, the width of the first connecting ring gradually decreases from the side close to the second connecting ring to the side away from the second connecting ring, and the width of the second connecting ring gradually decreases from the side close to the first connecting ring to the side away from the first connecting ring.

[0016] Further, the anti-collision ribs are a plurality of and uniformly distributed on the inner wall of the sleeve.

[0017] Further, a groove is arranged on the mounting bracket, two bosses are arranged on two ends of the groove, and the mass block is arranged on the groove.

[0018] Further, the outer side wall of the mounting bracket is curved outward to form a stopper part.

[0019] Further, a reinforcing part is arranged at the connection between the mounting bracket and the boss.

[0020] The application has the beneficial effect that the assembly between the rubber layer and the boss is facilitated, and the impact between the mass block and the mounting bracket caused by the road impact during the driving of the automobile is effectively prevented, and the impact noise is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, objects and advantages of this application become more apparent. The illustrative embodiment drawings of this application and the description thereof are used to explain this application, and do not constitute an improper limitation on this application.

[0022] In addition, throughout the drawings, the same or similar reference signs represent the same or similar elements. It should be understood that the drawings are schematic, and the elements and elements are not necessarily drawn according to the scale.

[0023] In the drawings:

[0024] Figure 1 is a whole schematic view according to the embodiment of the application;

[0025] Figure 2 is Figure 1 an enlarged view of part A of

[0026] Figure 3 is a structural schematic diagram that is part of an embodiment, mainly showing a connecting piece;

[0027] Figure 4 is a structural schematic diagram that is part of an embodiment, mainly showing a boss.

[0028] Reference signs:

[0029] 1, mounting bracket; 2, mass block; 3, rubber layer; 4, boss; 5, reinforcing part; 6, groove body; 7, through hole; 8, anti-collision rib; 9, baffle part; 10, sleeve; 11, first connecting ring; 12, second connecting ring; 13, limiting block; 14, connecting block; 15, limiting groove; 16, abutting block. DETAILED DESCRIPTION

[0030] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly and completely understood. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0031] It should also be noted that, for ease of description, only parts related to the present application are shown in the drawings. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0032] It should be noted that the terms "first", "second", etc. mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not intended to limit the functions performed by these devices, modules or units or the mutual dependency therebetween.

[0033] It should be noted that the adjectives "one", "multiple" mentioned in the present disclosure are illustrative and not limiting, and those skilled in the art should understand that, unless otherwise explicitly stated in the context, it should be understood as "one or more".

[0034] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0035] Reference Figures 1-4The back door damper comprises a mounting bracket 1, a mass block 2 and a rubber layer 3. The mass block 2 is mounted on the mounting bracket 1, and the rubber layer 3 is mounted between the mounting bracket 1 and the mass block 2. Two bosses 4 are symmetrically arranged on the mounting bracket 1. The connection part of the mounting bracket 1 and the boss 4 is provided with a reinforcing part 5. The mass block 2 and the boss 4 are vulcanized together through the rubber layer 3. A groove 6 is formed on the mounting bracket 1. The two bosses 4 are arranged at the two ends of the groove 6, and the mass block 2 is arranged on the groove 6. A through hole 7 is formed on the boss 4. The connecting piece is arranged in the through hole 7. The connecting piece is provided with an anti-collision rib 8. The boss 4 is arranged to facilitate the assembly of the mass block 2 and the rubber layer 3. The anti-collision rib 8 reduces the amplitude of the mass block 2 and prevents impact noise.

[0036] The outer side wall of the mounting bracket 1 is curved outward to form a stop part 9.

[0037] The connecting piece comprises a sleeve 10, a first connecting ring 11, a second connecting ring 12, a limiting block 13 and a connecting block 14. The sleeve 10 is fixedly arranged on the rubber layer 3. The first connecting ring 11 is fixedly arranged on the outer wall of the sleeve 10. The second connecting ring 12 is fixedly arranged on the outer wall of the sleeve 10. The limiting block 13 is at least two and is fixedly arranged between the first connecting ring 11 and the second connecting ring 12. The connecting block 14 is at least two and is fixedly arranged on the first connecting ring 11. The connecting block 14 is located outside the through hole 7. The boss 4 is provided with a plurality of limiting grooves 15 which are connected with the through hole 7. The two limiting blocks 13 are respectively arranged in the limiting grooves 15. One end of the first connecting ring 11 abuts against the outer wall of the through hole 7. Two abutting blocks 16 are symmetrically arranged on the outer wall of the through hole 7 away from one end of the first connecting ring 11. The abutting blocks 16 are located between the first connecting ring 11 and the second connecting ring 12, and one end of the abutting blocks 16 abuts against the second connecting ring 12.

[0038] The anti-collision rib 8 is a plurality of and is uniformly distributed on the inner wall of the sleeve 10.

[0039] The diameter of the first connecting ring 11 is equal to the diameter of the second connecting ring 12.

[0040] The cross section of the first connecting ring 11 and the second connecting ring 12 is trapezoidal structure. The width of the first connecting ring 11 gradually decreases from the side close to the second connecting ring 12 to the side away from the second connecting ring 12. The width of the second connecting ring 12 gradually decreases from the side close to the first connecting ring 11 to the side away from the first connecting ring 11.

[0041] The above description is merely exemplary of some of the many possible embodiments of the present disclosure and of the principles thereof. It is to be understood that those skilled in the art will be able to devise various embodiments of the present disclosure without departing from the scope of the present disclosure as disclosed in the above description and attached claims, and that the scope of the present disclosure is not limited to the specific embodiments described above. For example, the features of the above-described embodiments can be combined with other features of the present disclosure, or features of the present disclosure can be combined with other technology, to form further embodiments of the present disclosure.

Claims

1. A back door damper, comprising: Mounting bracket; A mass block is mounted on the mounting bracket; a rubber layer, installed between the mounting bracket and the mass block; Its characteristics are: Two bosses are symmetrically provided on the mounting bracket, the mass block and the bosses are vulcanized together through the rubber layer, a through hole is provided on the bosses, connecting pieces inserted into the through holes are provided on both ends of the rubber layer, and anti-collision ribs are provided on the connecting pieces.

2. The back door damper according to claim 1, characterized in that: The connecting member includes a sleeve fixedly arranged on the rubber layer and a limit block fixedly arranged on the outer wall of the sleeve; The boss is provided with a plurality of limiting grooves connected with the through hole, and there are at least two limiting blocks, and the two limiting blocks are respectively provided in the limiting grooves.

3. The back door damper according to claim 2, characterized in that: The connecting member also includes a first connecting ring fixed on the outer wall of the shell and a second connecting ring fixed on the outside of the shell. The limit block is fixed between the first connecting ring and the second connecting ring. One end of the first connecting ring abuts against the outer wall of the through hole. Two abutting blocks are symmetrically provided on the outer wall of the through hole away from one end of the first connecting ring. One end of the abutting block abuts against the second connecting ring.

4. The tailgate damper according to claim 3, characterized in that: The connecting member further includes two connecting blocks fixedly arranged on the first connecting ring, and the connecting blocks are located outside the through hole.

5. The tailgate damper according to claim 3, characterized in that: The diameter of the first connecting ring is equal to the diameter of the second connecting ring.

6. The tailgate damper according to claim 3, characterized in that: The cross-sections of the first connecting ring and the second connecting ring are both trapezoidal structures. The width of the first connecting ring gradually decreases from the side close to the second connecting ring to the side away from the second connecting ring, and the width of the second connecting ring gradually decreases from the side close to the first connecting ring to the side away from the first connecting ring.

7. The back door damper according to claim 2, characterized in that: There are several anti-collision ribs, which are evenly distributed on the inner wall of the shell.

8. The tailgate damper according to claim 1, characterized in that: A slot body is provided on the mounting bracket, two bosses are provided on both ends of the slot body, and the mass block is located on the slot body.

9. The tailgate damper according to claim 1, characterized in that: The outer side wall of the mounting bracket is bent outward to form a retaining edge portion.

10. The tailgate damper according to claim 1, characterized in that: A reinforcement portion is provided at the connection between the mounting bracket and the boss.

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