CN214945995U

CN214945995U - Rebound damping buffer block in automobile shock absorber

Info

Publication number: CN214945995U
Application number: CN202121427970.1U
Authority: CN
Inventors: 谢礼杰; 谢志伟
Original assignee: Ningbo Oak Auto Parts Co ltd
Current assignee: Ningbo Oak Auto Parts Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-11-30
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a rebound shock attenuation buffer block in automobile shock absorber ware, including the buffer block body, be used for buffer block seat and the amortization subassembly that the buffer block body contacted, all open the through-hole that is used for piston rod to pass in the shock absorber in buffer block body and the buffer block seat for reduce between buffer block body and the buffer block seat and between buffer block body and the piston rod produce the noise the amortization unit mount is in buffer block seat and in the through-hole, the utility model discloses an optimize current buffer block, through addding the amortization subassembly, can effectually eliminate the air current sound that extrudees and produce between buffer block seat, simultaneously through addding the amortization piece in the through-hole, the friction sound that produces when can reducing the piston rod and remove to realize noise abatement's production.

Description

Rebound damping buffer block in automobile shock absorber

Technical Field

The utility model relates to a buffer block technical field specifically is a rebound shock attenuation buffer block in automobile shock absorber ware.

Background

The shock Absorber (Absorber) is used to suppress the shock when the spring absorbs the shock and then rebounds and the impact from the road surface. The shock absorber is widely used for automobiles, and in order to accelerate the attenuation of the vibration of a frame and an automobile body and improve the driving smoothness of the automobile, when the automobile passes through an uneven road surface, although the shock absorbing spring can filter the vibration of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.

The shock absorbers are internally provided with buffer blocks which are part of elastic elements of the suspension and mainly used for buffering the impact on a vehicle body in the wheel jumping process, limiting the wheel jumping stroke and providing additional rigidity for the suspension; the buffer block is easy to generate impact abnormal sound when contacting with a piston rod, and therefore the rebound damping buffer block in the automobile shock absorber is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rebound shock attenuation buffer block in the automobile shock absorber ware that reduces abnormal sound and produce to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rebound shock attenuation buffer block in automobile shock absorber ware, includes the buffer block body, is used for buffer block seat and the amortization subassembly that the buffer block body contacted, all open the through-hole that is used for piston rod to pass in the shock absorber in buffer block body and the buffer block seat for reduce between buffer block body and the buffer block seat and between buffer block body and the piston rod produce the noise amortization unit mount in buffer block seat and in the through-hole.

Preferably, the amortization subassembly is including contacting the ring, it is inboard that contact ring is located the buffer block seat, and contacts the ring inner wall and be fixed with a plurality of spliced poles to it is fixed with buffer block seat inner wall through a plurality of spliced poles, be fixed with the filter screen between contact ring and the buffer block seat bottom, install amortization piece in this internal through-hole of buffer block, and buffer block body top installs the contact, can not produce the air current when realizing air escape through the filter screen, reduce the noise because of the air current produces.

Preferably, the amortization piece includes a plurality of amortization sand grips of fixing at this internal through-hole inner wall of buffer block, amortization sand grip cross sectional shape is semi-circular, the amortization sand grip can reduce with the piston rod outer wall between area of contact, reduce rather than the noise that produces.

Preferably, the contact piece includes a plurality of contact protrusions of fixing on buffer block body top, and is a plurality of contact protrusions are equiangular distribution at buffer block body top, and contact protrusion is hemispherical structure, through contact protrusion and the contact of buffer block seat top inner wall, reduces area of contact to reduce the noise that the friction produced.

Preferably, a plurality of the bottom end of the silencing convex strip is provided with a chamfer, so that the piston rod can be conveniently inserted and moved.

Preferably, the buffer block seat is of a circular truncated cone structure, and the inner diameter of the contact ring is consistent with the outer diameter of the buffer block body, so that the buffer block body can be well butted with the buffer block seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an optimize current buffer block, through addding the amortization subassembly, the air current sound that can effectual elimination buffer block and the extrusion production between the buffer block seat through addding amortization piece in the through-hole simultaneously, the friction sound that produces when can reducing the piston rod and remove to realize noise abatement's production.

2. The utility model discloses a contact that adds for the piston rod avoids driving the abnormal sound that the striking produced between buffer block and the buffer block seat when removing.

3. The utility model discloses the cushion block seat is round platform type structure, and inside has certain space to save the air current and avoids the direct discharge noise generation of air current.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the buffering block seat with a partially cut-away internal structure;

FIG. 4 is a schematic view of the buffer block body of the present invention with a partially cut-away internal structure;

fig. 5 is an enlarged view of a portion a in fig. 3.

In the figure: 1-a buffer block body; 2-a buffer block seat; 3-a through hole; 4-a sound attenuation component; 5-a contact ring; 6-connecting a column; 7-filtering with a filter screen; 8-a contact member; 9-a silencing piece; 10-silencing raised lines; 11-contact bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, a rebound shock absorption buffer block in an automobile shock absorber shown in the figure comprises a buffer block body 1, a buffer block seat 2 and a silencing component 4, wherein the buffer block seat 2 is used for being contacted with the buffer block body 1, through holes 3 for allowing a piston rod in the shock absorber to pass through are formed in the buffer block body 1 and the buffer block seat 2, and the silencing component 4 is used for reducing noise generated between the buffer block body 1 and the buffer block seat 2 and between the buffer block body 1 and the piston rod and is arranged in the buffer block seat 2 and the through holes 3.

Wherein, amortization subassembly 4 is including contacting ring 5, it is inboard that contact ring 5 is located buffer block seat 2, and contacts 5 inner walls of ring and be fixed with a plurality of spliced poles 6 to it is fixed with 2 inner walls of buffer block seat through a plurality of spliced poles 6, be fixed with filter screen 7 between contact ring 5 and the 2 bottoms of buffer block seat, install amortization piece 9 in the through-hole 3 in the buffer block body 1, and contact 8 is installed at 1 top of buffer block body.

Wherein, the silencing piece 9 comprises a plurality of silencing convex strips 10 fixed on the inner wall of the through hole 3 in the buffer block body 1;

in addition, in order to facilitate the butt joint with the buffer block body 1, the buffer block seat 2 is designed to be of a circular truncated cone structure, and the inner diameter of the contact ring 5 is consistent with the outer diameter of the buffer block body 1.

When the buffer block is subjected to noise reduction processing: at first buffer block body 1 is when inserting to buffer block seat 2 through the removal of piston rod, earlier than contact ring 5 contacts then inserts, can give the extrusion of air current in buffer block seat 2 this moment, through the space between the 2 inner walls of buffer block seat of contact ring 5 months this moment, pass through filter screen 7 with the air current and discharge, thereby can avoid the noise that air current extrusion discharge produced well, when rubbing between piston rod and buffer block body 1 simultaneously, through the amortization sand grip 10 of design reduce and the piston rod between the area of contact, thereby can be very big because of the noise that the contact produced.

Example 2

Referring to fig. 3 to 5, in this embodiment, as further described in embodiment 1, the silencing component 4 in the figure includes a contact ring 5, the contact ring 5 is located inside the buffer block seat 2, a plurality of connecting posts 6 are fixed on an inner wall of the contact ring 5 and fixed to an inner wall of the buffer block seat 2 through the plurality of connecting posts 6, a filter screen 7 is fixed between the contact ring 5 and the bottom of the buffer block seat 2, a silencing piece 9 is installed in the through hole 3 in the buffer block body 1, and a contact piece 8 is installed on the top of the buffer block body 1.

Simultaneously, the contact 8 includes a plurality of contact protrusion 11 of fixing on buffer block body 1 top, and is a plurality of contact protrusion 11 is equiangular distribution at buffer block body 1 top, and contact protrusion 11 is the hemisphere structure.

In this embodiment, the contact protrusion 11 through the design can reduce the direct contact between the buffer block body 1 and the inner wall of the buffer block seat 2, thereby avoiding the impact abnormal sound easily generated when the piston rod drives the buffer block and the inner wall of the buffer block seat 2 to contact to a great extent.

Example 3

Referring to fig. 3-5, in this embodiment, for further explanation of other embodiments, the silencing component 4 in the figure includes a contact ring 5, the contact ring 5 is located inside the buffer block seat 2, a plurality of connecting posts 6 are fixed on an inner wall of the contact ring 5 and fixed on an inner wall of the buffer block seat 2 through the plurality of connecting posts 6, a filter screen 7 is fixed between the contact ring 5 and the bottom of the buffer block seat 2, a silencing piece 9 is installed in the through hole 3 in the buffer block body 1, a contact piece 8 is installed on a top of the buffer block body 1, the silencing piece 9 includes a plurality of silencing raised lines 10 fixed on an inner wall of the through hole 3 in the buffer block body 1, cross-sectional shapes of the silencing raised lines 10 are semicircular, wherein bottom ends of the plurality of silencing raised lines 10 are provided with chamfers.

In this scheme, it has the chamfer to open through 10 bottoms at amortization sand grip to the realization makes things convenient for the insertion of piston rod, and 10 cross sectional shapes of amortization sand grip are semi-circular simultaneously, and when making with the contact of the piston rod outside, area of contact is littleer, noise that reduction that can be very big brought because of the friction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rebound shock attenuation buffer block in automobile shock absorber ware which characterized in that includes:

the shock absorber comprises a buffer block body (1) and a buffer block seat (2) used for enabling the buffer block body (1) to be in contact with each other, wherein through holes (3) used for enabling a piston rod in the shock absorber to penetrate through are formed in the buffer block body (1) and the buffer block seat (2);

and the silencing component (4) is used for reducing noise generated between the buffer block body (1) and the buffer block seat (2) and between the buffer block body (1) and the piston rod, and the silencing component (4) is arranged in the buffer block seat (2) and the through hole (3).

2. The automobile shock absorber inner rebound shock absorption buffer block as set forth in claim 1, wherein: amortization subassembly (4) are including contact ring (5), contact ring (5) are located buffer block seat (2) inboardly, and contact ring (5) inner wall is fixed with a plurality of spliced poles (6) to it is fixed with buffer block seat (2) inner wall through a plurality of spliced poles (6), be fixed with filter screen (7) between contact ring (5) and buffer block seat (2) bottom, install amortization piece (9) in through-hole (3) in buffer block body (1), and contact (8) are installed at buffer block body (1) top.

3. The automobile shock absorber inner rebound shock absorption buffer block as set forth in claim 2, wherein: amortization piece (9) are including a plurality of amortization sand grip (10) of fixing at buffer block body (1) inner hole (3) inner wall, amortization sand grip (10) cross sectional shape is semi-circular.

4. The automobile shock absorber inner rebound shock absorption buffer block as set forth in claim 2, wherein: the contact piece (8) comprises a plurality of contact bulges (11) fixed at the top end of the buffer block body (1), the contact bulges (11) are distributed at the top of the buffer block body (1) at equal angles, and the contact bulges (11) are of a hemispherical structure.

5. The automobile shock absorber inner rebound shock absorption buffer block as set forth in claim 3, wherein: a plurality of the bottom ends of the silencing convex strips (10) are provided with chamfers.

6. The automobile shock absorber inner rebound shock absorption buffer block as set forth in claim 2, wherein: the buffer block seat (2) is of a circular truncated cone structure, and the inner diameter of the contact ring (5) is consistent with the outer diameter of the buffer block body (1).