Sealing device

The utility model provides a sealing device, it can improve dust fastness and low frictional property simultaneously. Install in making inner tube (110) along the come in and go out open end of outertube (120) of freely inserting and having a perfect understanding of axis (x) sealing device (1), inc...

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Bibliographic Details
Main Author KIYO MASAMICHI
Format Patent
LanguageChinese
English
Published 09.03.2018
Subjects
BLASTING
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:The utility model provides a sealing device, it can improve dust fastness and low frictional property simultaneously. Install in making inner tube (110) along the come in and go out open end of outertube (120) of freely inserting and having a perfect understanding of axis (x) sealing device (1), include with axis (x) be the center annular beaded finish (10) and with beaded finish (10) integratedinto one piece be annular elasticity somatic part (20) at center by what the elastomer constituted with axis (x), elasticity somatic part (20) have: install in the open end of outer tube (120) lip main part (21), dust lip (25) have the preceding tip (25s) of protruding annular lip with the mode formation of the contact of the outer peripheral face with inner tube (110), formation is extended in order to support dust lip (25) from lip main part (21) in lip supporting part (24) of arm form, and concave part (27), formed at the regulation position of lip supporting part (24) for change before thelip contact angle ( beta )
Bibliography:Application Number: CN20172716465U