CN214499900U

CN214499900U - Vibration damper

Info

Publication number: CN214499900U
Application number: CN202120247834.8U
Authority: CN
Inventors: 付志军; 丁永飞; 舒春成; 叶海宝; 季明
Original assignee: Zhejiang Zero Run Technology Co Ltd
Current assignee: Zhejiang Leapmotor Technology Co Ltd; Zhejiang Zero Run Technology Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-10-26
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a vibration damper aims at solving present vibration damper and causes the not good not enough of NVH to the spacing not enough of a plurality of directions. The utility model discloses an including linking bridge, locating pin, endoskeleton, bush, body support and limit baffle, linking bridge and locating pin fixed connection, endoskeleton and bush fixed connection just are formed with buffer function portion, and buffer function portion sets up inside the body support, endoskeleton and body support interference fit, and limit baffle and linking bridge are spacing on the body support to buffer function portion axial. The vibration damper realizes multi-directional vibration damping, and the fixing bolts of the body support are uniformly distributed and stressed uniformly.

Description

Vibration damper

Technical Field

The utility model relates to an automobile vibration damper, more specifically say, it relates to a vibration damper.

Background

At present, the number of the current day,

chinese patent publication No. CN206409567U, entitled a bushing for an automobile suspension hydraulic lifting device, discloses a bushing for an automobile suspension hydraulic lifting device, which comprises a bushing, a shock absorber, a movable cylinder and a hydraulic cylinder, wherein the upper end and the lower end of the shock absorber are respectively provided with a suspension connecting end and a spring fixing chassis, the upper end of the spring fixing chassis is fixed with a shock absorbing spring, the shock absorber is arranged in the shock absorbing spring, the lower end of the spring fixing chassis is provided with a shock absorber connecting rod, the lower end of the shock absorber connecting rod is fixed in a hydraulic cavity, the bushing is tightly connected with the movable cylinder through threads, the bushing is arranged at the top of the movable cylinder, the bottom of the movable cylinder is arranged in the hydraulic cylinder, the upper end and the lower end of the bushing are respectively provided with a non-matching end and a matching end, and the bushing consists of a shock absorbing layer, a wear-resistant layer and an oil absorbing layer, and the oil absorption layer is arranged between the vibration absorption layer and the wear-resistant layer, and a matching cavity is formed in the wear-resistant layer. The high-frequency damping and dynamic stiffness wind turbine does not have a multi-directional limiting function, frequency damping and stiffness are insufficient, high-frequency damping and dynamic stiffness are too large, and NVH is poor.

Disclosure of Invention

Present damping device is not good to the spacing not enough NVH that causes of a plurality of directions, and this application provides a damping device, and it can realize spacing of a plurality of directions, improves final NVH effect.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a vibration damper, includes linking bridge, locating pin, endoskeleton, bush, body support and limit baffle, linking bridge and locating pin fixed connection, endoskeleton and bush fixed connection and be formed with the buffer function portion, and the setting of buffer function portion is inside the body support, endoskeleton and body support interference fit, and limit baffle and linking bridge are spacing on the body support to buffer function portion axial.

This device leads to and carries on spacingly through limit baffle and linking bridge to the endoskeleton, and the endoskeleton is for bearing the weight of vibrations and clear up the buffer unit of vibrations. If the limiting function is not good, the vibration is absorbed through the buffering function part, and a part of vibration can be transmitted through the connection mode. Through axial limiting, vibration can be concentrated on the endoskeleton. The endoskeleton is in interference fit with the body support, and the structure realizes the limit of other directions of the buffer function part.

Preferably, limit stoppers extend from both ends of the bottom of the inner skeleton in the radial direction, and the limit stoppers abut against the bottom of the body bracket and the top of the connecting bracket. The structure interferes with the body support in the radial direction, when the structure is inserted into the body support, the limit stop abuts against the bottom of the body support, and the structure realizes axial limit of vibration above the structure

Preferably, the limit stop is provided with a plurality of slots arranged at intervals, and the adjacent slots are provided with vibration reduction fingers. This structure is used for forming the deformation space, and when vibrations assault great, limit stop receives to assault and produces deformation, and the damping finger becomes thick, shortens, turns into elastic potential energy with kinetic energy.

Preferably, the endoskeleton is made of elastic material, and the top of the endoskeleton is fixedly connected with the lining. The inner skeleton is made of silica gel, rubber or other elastic deformation materials. The structure extends into from one end of the body bracket, and the end part extends out from the other end and then is fixedly connected with the bushing.

Preferably, the limiting baffle is provided with a limiting hole, the bushing is provided with a limiting hole, and the limiting hole in the limiting baffle is fixedly connected with the limiting hole in the bushing through a fastener. This structure has realized spacing to the axial of the vibrations of below. The two ends of the limiting baffle are also interfered with the body bracket.

Preferably, the connecting bracket and the positioning pin are cast. The fixed connection adopting the mode has higher reliability.

Preferably, the main body support is a cylinder with two open ends, and the outer edge of the main body support is connected with positioning lugs at equal intervals. The structure improves the connection reliability of the vibration damping device, and can damp vibration in a torsion mode besides bearing vibration from an axial direction.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the vibration damping device realizes multi-directional vibration damping; (2) the body support fixing bolts are uniformly distributed and stressed uniformly.

Drawings

Fig. 1 is a perspective view of the present invention;

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

fig. 3 is an exploded view of another aspect of the present invention;

in the figure:

the device comprises a connecting support 1, a positioning pin 2, an inner skeleton 3, a bushing 4, a body support 5, a limit baffle 6, a buffer function part 7, a limit stop 8, a slot 9, a damping finger 10, a limit hole 11 and a positioning lug 12.

Detailed Description

The present disclosure is further described with reference to the following drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

Example (b):

a vibration damper is shown in figure 1 and comprises a connecting support 1, a positioning pin 2, an inner skeleton 3, a bushing 4, a body support 5 and a limiting baffle 6, wherein the connecting support 1 is fixedly connected with the positioning pin 2, and the connecting mode is that the connecting support and the positioning pin are formed by pouring. The fixed connection adopting the mode has higher reliability. The positioning pin is inserted on the inner skeleton and extends out of the other end of the inner skeleton to position the inner skeleton through the limiting baffle. The limiting baffle is provided with an opening passing through the positioning hole.

As shown in fig. 2, the inner skeleton 3 is fixedly connected to the bush 4, and a buffer function portion 7 is formed. The body support 5 is a cylinder with two open ends, and the outer edge of the body support 5 is connected with positioning lugs 12 at equal intervals. The structure improves the connection reliability of the vibration damping device, and can damp vibration in a torsion mode besides bearing vibration from an axial direction. Buffering function portion 7 sets up inside body support 5, endoskeleton 3 and body support 5 interference fit, and limit baffle 6 and linking bridge 1 are spacing on body support 5 to 7 axial of buffering function portion.

This device leads to and carries on spacingly through limit baffle 6 and linking bridge 1 to endoskeleton 3, and endoskeleton 3 is for bearing the weight of vibrations and clear up the buffer unit of vibrations. If the limit function does not do well, the shock is absorbed by the buffer function portion 7, and a part of the shock is transmitted by the connection form. By axial spacing, vibrations can be concentrated on the endoskeleton 3. Endoskeleton 3 and body support 5 interference fit, this structure has realized spacing to other directions of buffer function portion 7.

The two ends of the bottom of the inner skeleton 3 in the radial direction respectively extend out of a limit stop 8, and the limit stop 8 is abutted to the bottom of the body support 5 and abutted to the top of the connecting support 1. This structure interferes with the body support 5 in the radial direction, and when it is inserted into the body support 5, the limit stopper 8 abuts on the bottom of the body support 5, and this structure realizes axial limit to the vibration above. The limit stop 8 is provided with a plurality of slots 9 arranged at intervals, and the adjacent slots 9 are provided with damping fingers 10. This structure is used for forming the deformation space, and when vibrations assault great, limit stop 8 receives to assault and produces deformation, and damping finger 10 becomes thick, shortens, turns into elastic potential energy with kinetic energy. The inner skeleton 3 is made of elastic material, and the top of the inner skeleton 3 is fixedly connected with the lining 4. The inner skeleton 3 is made of silica gel, rubber or other elastic deformation materials. The structure extends into from one end of the body bracket 5, and the end portion extends out from the other end and then is fixedly connected with the bush 4.

As shown in fig. 3, the limiting baffle 6 is provided with a limiting hole 11, the bushing 4 is provided with a limiting hole 11, and the limiting hole 11 on the limiting baffle 6 is fixedly connected with the limiting hole 11 on the bushing 4 through a fastener. This structure has realized spacing to the axial of the vibrations of below. The both ends of the limit baffle 6 also interfere with the body bracket 5.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the following claims.

Claims

1. The utility model provides a vibration damper, characterized by, includes linking bridge, locating pin, endoskeleton, bush, body support and limit baffle, linking bridge and locating pin fixed connection, endoskeleton and bush fixed connection just are formed with the buffer function portion, and the buffer function portion sets up inside the body support, endoskeleton and body support interference fit, and limit baffle and linking bridge are spacing on the body support to buffer function portion axial.

2. A vibration damping device as claimed in claim 1, wherein the bottom of the inner skeleton has limit stops extending from opposite ends in the radial direction, the limit stops abutting against the bottom of the body bracket and the top of the connecting bracket.

3. A vibration damping device as claimed in claim 2, wherein the limit stop is provided with a plurality of spaced apart slots, adjacent slots being formed with damping fingers.

4. A vibration damping device as claimed in claim 1, wherein the endoskeleton is of a resilient material and the top of the endoskeleton is fixedly connected to the bushing.

5. A vibration damping device as claimed in claim 1, wherein the limit baffle has a limit hole, the bushing has a limit hole, and the limit hole of the limit baffle is fixedly connected to the limit hole of the bushing by a fastening member.

6. The vibration damping device according to claim 1 wherein the connecting bracket is cast with the locating pin.

7. A vibration damping device as claimed in any one of claims 1 to 6, wherein the body support is a cylinder open at both ends and has locating lugs attached to the outer edge of the body support at equal intervals.