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Anti-vibration device

A technology of anti-vibration device and inner cylinder, which is applied in the direction of power plant, jet propulsion device, internal combustion propulsion device, etc. It can solve the problem of low rigidity and achieve the effect of increasing the stop function

Active Publication Date: 2017-03-08
BRIDGESTONE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the characteristics of such anti-vibration support devices in the front-rear direction of the vehicle are optimized, and the rigidity (spring constant) in the vertical direction of the vehicle or the left-right direction (inner cylinder axial direction) tends to be low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Embodiments of the anti-vibration device of the present invention are illustrated and described below with reference to the drawings.

[0021] figure 1 and figure 2 The anti-vibration device 1 in the illustrated embodiment is a torsion bar, which includes a first elastic sleeve 10; a second elastic sleeve 20 whose diameter is smaller than that of the first elastic sleeve 10; and The connecting rod 30 connects the first elastic sleeve 10 and the second elastic sleeve 20 .

[0022] Such as figure 1 As shown, the first elastic sleeve 10 includes: an inner cylinder 11; an intermediate cylinder 13; a main body elastic body 14, which connects the inner cylinder 11 and the intermediate cylinder 13; a stopper elastic body (stopper elastic body) 15, a stopper elastic body The elastic body 15 is fixed on the middle cylinder 13 and in the axial direction with the inner cylinder 11 (with figure 1 The direction perpendicular to the surface of the paper, hereinafter also referre...

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Abstract

The present invention has: an inner cylinder (11), which is connected to one of the vibration generating part and the vibration receiving part; an outer cylinder (12), which is connected to the other side of the vibration generating part and the vibration receiving part; an intermediate cylinder (13) , which is pressed into the inner peripheral surface of the outer cylinder (12); the main body elastic body (14), which connects the inner cylinder (11) and the middle cylinder (13); and the stop elastic body (15, 16), which is relatively The main body elastic body (14) is independent, and the stopper elastic body (15, 16) is fixed on the middle cylinder (13) and faces inward at least across the cavity part (17, 18) in the direction perpendicular to the axial direction of the inner cylinder In the cylinder (11), the cavity parts (17, 18) are formed so as to pass through the main body elastic body (14) in the axial direction of the inner cylinder. The stopper elastic bodies (15, 16) respectively have axial stoppers (15a, 16a), and the axial stoppers (15a, 16a) protrude axially from the inner cylinder to the middle cylinder (13) and the outer cylinder (12 ) outside.

Description

technical field [0001] The present invention relates to an anti-vibration device used in automobiles and the like. Background technique [0002] As a vehicle anti-vibration device, for example, as described in Patent Document 1, a vibration-proof support device installed between a vibration generating part such as an engine and a vehicle body in the vehicle front-rear direction is known. Generally, the characteristics of such anti-vibration support devices in the front-rear direction of the vehicle tend to be low in rigidity (spring constant) in the vertical direction or left-right direction of the vehicle (inner cylinder axial direction). Therefore, for example, when the vehicle makes a sharp turn or crosses a bump, the outer cylinder of the anti-vibration support device may hit the vehicle body and generate a crash sound. [0003] In the anti-vibration support device described in Patent Document 1, rubber protrusions protruding outward from both ends in the axial directio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F1/38B60K5/12F16F15/08
CPCF16F1/3828F16F1/3849F16F1/3814B60G13/04B60G2202/25B60G2500/10
Inventor 杉本幸大
Owner BRIDGESTONE CORP
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