Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ANTI-RETREATING BOLT
Document Type and Number:
WIPO Patent Application WO/2015/165262
Kind Code:
A1
Abstract:
An anti-retreating bolt comprises a head portion (1), a screw rod (2), a retreating stopper (3), and a nut (4). A top portion of the screw rod (2) is fixedly connected with the head portion (1), a center portion of the screw rod (2) is a sliding rod, an outer thread (21) is arranged at a lower portion of the screw rod (2), and a groove (22) is further arranged in the outer thread (21) at the lower portion of the screw rod (2). The retreating stopper (3) is annular, a first protrusion (31) matching with the groove (22) is arranged inside the retreating stopper (3), and an inner thread matching with the outer thread (21) is arranged on the nut (4). In this manner, the anti-retreating bolt can be effectively prevented from loosening when the bolt is impacted and vibrated, the load changes, and the temperature changes too much by means of mutual matching of the retreating stopper (3) and the groove (22) in the screw rod (2). Therefore, the bolt has high connecting strength, achieves firmer connection, and has better use effect.

Inventors:
JIN, Fumin (2 Buildings, 204 State Road Wangyuqiaoyi, Yushanlinchan, Changshu Jiangsu 0, 215500, CN)
Application Number:
CN2014/092685
Publication Date:
November 05, 2015
Filing Date:
December 01, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JIANGSU ZHENGDONG PORT MACHINERY MANUFACYURING CO., LTD. (2 Buildings, 204 State Road Wangyuqiaoyi, Yushanlinchan, Changshu Jiangsu 0, 215500, CN)
International Classes:
F16B35/04; F16B39/24
Foreign References:
CN103899622A2014-07-02
CN102245914A2011-11-16
CN2102403U1992-04-22
CN1710297A2005-12-21
US0718336A1903-01-13
CN203161765U2013-08-28
CN201080948Y2008-07-02
Attorney, Agent or Firm:
SUZHOU GROUNZE INTELLECTUAL PROPERTY AGENCY CO., LTD. (Room 608, Building 2 Wanbao Commercial Plaza,No.1580 Donghuan Road, Suzhou Industrial Par, Suzhou Jiangsu 1, 215021, CN)
Download PDF: