Title:
BELLOWS ATTACHMENT STRUCTURE
Document Type and Number:
Japanese Patent JP2023093103
Kind Code:
A
Abstract:
To provide a bellows attachment structure which can reduce stress applied on a bellows by a simple constitution.SOLUTION: In a bellows attachment structure of the present invention in which a cylindrical bellows is attached to a fixed member, the bellows comprises: straight pipe parts arranged at both end parts; a bellows part arranged between the straight pipe parts, and formed by repeating irregular shapes; and a connecting part continuing to the straight pipe parts and the bellows part. The bellows part is formed by repeatedly forming one set of protrusive shapes composed of a bent trough part, a bent crest part in a form reverse to the trough part, and belly parts extending while being bent from the crest part in a form which is the same as that of the crest part. The belly part continuing to the connecting part out of a plurality of the belly parts abuts on the fixed member, a space is formed between the fixed member and the connecting part, and a viscous elastic ring is arranged at the crest part.SELECTED DRAWING: Figure 1
Inventors:
NIIHORI TAKEYOSHI
NAKAYAMA SOICHI
NAKAYAMA SOICHI
Application Number:
JP2021208517A
Publication Date:
July 04, 2023
Filing Date:
December 22, 2021
Export Citation:
Assignee:
NHK SPRING CO LTD
International Classes:
F16F15/08; F16J3/04; F16J15/52
Attorney, Agent or Firm:
Sakai International Patent Office