Liquid sealing type vibration control device

An anti-vibration device, liquid technology, applied in the direction of shock absorber, shock absorber-spring combination, spring, etc., can solve the problems that abnormal noise cannot be sufficiently reduced, and impact sound cannot be avoided
CN1745261AInactive Publication Date: 2006-03-08TOYO TIRE & RUBBER CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
TOYO TIRE & RUBBER CO LTD
Publication Date
2006-03-08
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

A liquid sealed vibration control equipment capable of reducing abnormal sound sufficiently. In a first embodiment, the liquid sealed vibration control equipment is provided with a first rib arranged such that the top part thereof is located remotely from a lattice member, and a second rib having a width smaller than that of the first rib. When an elastic partition film collides against the lattice member due to vibration, the second rib member resists such that the elastic partition film collides gently against the lattice member thus reducing abnormal sound. In a second embodiment, the liquid sealed vibration control equipment is provided with first and second protrusions for regulating displacement arranged asymmetrically with respect to an imaginary plane passing through the center of the elastic partition film in the thickness direction. When the elastic partition film is displaced, the displacement regulating protrusion on the side opposite to the displacing direction reinforces rigidity of the elastic partition film locally to retard displacement thereof thus reducing abnormal noise effectively.
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Description

technical field

[0001] The present invention relates to a liquid-enclosed anti-vibration device, which has: a first mounting part; a cylindrical second mounting part; 2. A diaphragm that forms a liquid-filled chamber on the mount and between the anti-vibration base and the liquid-filled chamber; divides the liquid-enclosed chamber into a first liquid chamber on the side of the anti-vibration base and a second liquid chamber on the side of the diaphragm and a small hole that communicates the first liquid chamber and the second liquid chamber, the partition body is composed of an elastic separation film and a pair of restricting the displacement of the elastic separation film from both sides thereof. lattice components. Background technique

[0002] The above liquid-filled anti-vibration device is installed, for example, between an engine and a vehicle body frame of an automobile. In addition, when a large-amplitude vibration occurs due to uneve...

Claims

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