SEAL STRUCTURE OF CONSTANT SPEED UNIVERSAL JOINT, AND CONSTANT SPEED UNIVERSAL JOINT HAVING THIS SEAL STRUCTURE

To prevent a situation in which grease within a joint is leaked to the outside of the joint by making a boot of the constant speed universal joint repeatedly bent and stretched.SOLUTION: A seal structure 30 is constituted to be capable of sealing a space between an outside joint member 15 and a part...

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Bibliographic Details
Main Authors KONDO RINA, KONOMOTO TAKEMI, IZUMINO JUNICHI
Format Patent
LanguageEnglish
Japanese
Published 08.11.2023
Subjects
BLASTING
BRAKES
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:To prevent a situation in which grease within a joint is leaked to the outside of the joint by making a boot of the constant speed universal joint repeatedly bent and stretched.SOLUTION: A seal structure 30 is constituted to be capable of sealing a space between an outside joint member 15 and a part 26, which is to be attached to the outside joint member 15 by attachment of a boot band 23, of a boot 22. A circulation path 33 (34), which enables grease circulation toward an in-bellows space 25a from at least an inside space 31a of an annular groove 31, is provided between the outside joint member 15 and the boot 22.SELECTED DRAWING: Figure 2 【課題】等速自在継手のブーツが繰り返し曲げ伸ばされることにより継手内部のグリースが継手外部に漏洩する事態を防止する。【解決手段】シール構造３０は、外側継手部材１５と、ブーツ２２のうちブーツバンド２３の装着により外側継手部材１５に取付けられる部分２６との間をシール可能に構成されている。外側継手部材１５とブーツ２２との間に、少なくとも環状溝３１の内側空間３１ａからベローズ内空間２５ａに向けたグリースの流通を可能とする流通路３３（３４）が設けられている。【選択図】図２
Bibliography:Application Number: JP20220072380