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Mrthod of manufacturing bush assembly and vibration insulating rubber bush

A technology of rubber bushing and manufacturing method, which is applied in the direction of springs, springs, springs/shock absorbers made of plastic materials, etc., can solve the problem that the anti-detachment force of the vibration-isolating rubber bushing cannot be fully improved, and achieves the improvement of the anti-detachment force. Effect

Inactive Publication Date: 2011-10-12
SUMITOMO RIKO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] However, even in this method of making the inner peripheral surface of the target member rough by blasting, the anti-slip force of the vibration-isolating rubber bush cannot be sufficiently improved.

Method used

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  • Mrthod of manufacturing bush assembly and vibration insulating rubber bush
  • Mrthod of manufacturing bush assembly and vibration insulating rubber bush
  • Mrthod of manufacturing bush assembly and vibration insulating rubber bush

Examples

Experimental program
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Effect test

Embodiment Construction

[0075]Next, an embodiment in which the present invention is applied to a vibration-isolating rubber bush as a rear trailing arm bush of a vehicle and to an assembly of the vibration-isolating rubber bush will be described in detail with reference to the drawings.

[0076] exist figure 1 with figure 2 Among them, reference numeral 10 denotes the vibration-isolating rubber bushing of this embodiment, and the vibration-isolating rubber bushing 10 includes a cylindrical outer cylinder 12, a cylindrical inner cylinder 14, and an elastically connected outer cylinder 12. The state of the outer cylinder 12 and the inner cylinder 14 is vulcanized and bonded into a rubber elastic body 16 in the state of the inner cylinder 14 .

[0077] The inner cylinder 14 is made of metal, here an extruded member of aluminum alloy, and is formed in the circumferential direction with a plurality of cavities 18 penetrating in the axial direction.

[0078] On the other hand, the outer cylinder 12 is ...

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PUM

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Abstract

Provided is a method of manufacturing a vibration-insulating rubber bush assembly comprising a rubber bush having an outer sleeve made of synthetic resin and a metal part which retains the rubber bush with a remarkably higher force than known arts. Before the vibration-insulating rubber bush (10) having an outer sleeve (12) is pressed into an opening provided on the metal part (38) of a cylindrical shape in the axial direction, powder is applied on the outer surface of the sleeve that is made of a material harder than sleeve. The outer sleeve (12) is then pressed into the metal part (38) so that the powder stays between the outer surface of the sleeve and the inner surface of the opening of the part (38) giving a strong gripping force to the rubber bush assembly.

Description

technical field [0001] The present invention relates to a method of manufacturing a bush assembly configured by press-fitting a vibration-isolating rubber bush to be assembled in a cylindrical metal object member, and to a vibration-isolating rubber bush as a constituent member of the bush assembly. Background technique [0002] Conventionally, as a vibration-isolating rubber member of a vehicle, a vibration-isolating rubber bush including a cylindrical rigid outer cylinder and inner cylinder and a rubber elastic body has been widely used as a trailing arm bush, a torque rod bush, etc. of an automobile. The above-mentioned rubber elastic body is vulcanized and bonded integrally with the outer cylinder and the inner cylinder in a state of elastically connecting the outer cylinder and the inner cylinder. [0003] The vibration-insulating rubber bush is axially press-fitted and assembled into a cylindrical metal object member having a circular inner peripheral surface through t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F1/38
CPCF16F1/3842Y10T29/49863
Inventor 伊藤达哉荒川昇
Owner SUMITOMO RIKO CO LTD
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