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Title:
BOLT AND DEDICATED SLEEVE STRUCTURE MATCHING SAME
Document Type and Number:
WIPO Patent Application WO/2018/176437
Kind Code:
A1
Abstract:
Disclosed are a bolt and a dedicated sleeve structure matching same, the sleeve structure comprising: a bolt (1) having a head (11) and a rod (12), wherein several insertion grooves (13) are provided at the lower edge of the maximum outer edge of the head (11), and a thread portion (14) is provided around the peripheral edge of the rod (12); a sleeve (2) provided with a connecting hole (21) at one end thereof and provided with a sleeving hole (22) at the other end thereof, wherein the connecting hole (21) is used for having a corresponding drive end (31) of a locking and fastening tool (3)inserted therein and connecting same, the sleeving hole (22) is used for sleeving the head (11) of the bolt (1), and several elastic positioning members (23) provided in the sleeving hole (22) can extend into the several insertion grooves (13). Applying force to the locking and fastening tool (3) can drive the bolt (1) to rotate such that same is tightened or loosened, and because the appearance of the head (11) of the bolt (1) is intact and smooth, and the several insertion grooves (13) are not exposed, the rusting and corrosion of the bolt (1) can be prevented, thus providing the effects of a prolonged service life and a good usability.

Inventors:
HUA, Jian (12F, No.366Xinfeng St., Zhongzheng Dist, Keelung 202, 202, CN)
Application Number:
CN2017/079224
Publication Date:
October 04, 2018
Filing Date:
April 01, 2017
Export Citation:
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Assignee:
HUA, Jian (12F, No.366Xinfeng St., Zhongzheng Dist, Keelung 202, 202, CN)
International Classes:
F16B35/06; B25B13/06; F16B41/00
Foreign References:
TWM545845U2017-07-21
JP2000046027A2000-02-15
CN201531506U2010-07-21
CN203308859U2013-11-27
CN203614553U2014-05-28
CN201448338U2010-05-05
DE20319690U12005-05-04
CN101619737A2010-01-06
CN103498859A2014-01-08
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