Title:
ANTI-RETRACTION APPARATUS FOR LOCKING PIN OF LOCKING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/042079
Kind Code:
A1
Abstract:
Provided is an anti-retraction apparatus for a locking pin of a locking device, the anti-retraction apparatus comprising a movement block (10) provided with a pin shaft (12) at the front end thereof, a driving mechanism (20) for driving the backward movement of the movement block (10), and an anti-retraction block (30), wherein the rear end of the movement block (10) is connected to a first elastic member (40) for driving the forward movement of the pin shaft (12), and the movement block (10) is provided with a limiting groove (11); and the anti-retraction block (30) is provided with a limiting step (311) fitted with the limiting groove (11) so as to prevent the backward movement of the movement block (10), and a push rod (321) connected to the driving mechanism (20), with the driving mechanism (20) driving the push rod (321) so that the limiting step (311) is separated from the limiting groove (11). The first elastic member applies pressure to the movement block, the movement block moves forward to drive the pin shaft to lock the locking device, and at this time, the limiting step of the anti-retraction block is embedded into the limiting groove of the movement block, the pin shaft is fixed in a locked state, and the security of the locking device is ensured. The push rod is driven, while the movement block is driven to move backwards, so that the limiting step of the anti-retraction block is separated from the limiting groove, the movement block is no longer limited by the anti-retraction block, the movement block moves backward, and the locking device is unlocked.
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Inventors:
ZHANG JIANGUO (CN)
Application Number:
PCT/CN2018/098415
Publication Date:
March 07, 2019
Filing Date:
August 03, 2018
Export Citation:
Assignee:
GUANGZHOU MINGXI NETWORK TECH CO LTD (CN)
International Classes:
B62H5/16; E05B15/00
Foreign References:
| CN206358260U | 2017-07-28 | |||
| CN207374551U | 2018-05-18 | |||
| JPS63180484U | 1988-11-22 | |||
| CN203499355U | 2014-03-26 | |||
| US20110226709A1 | 2011-09-22 | |||
| CN202401843U | 2012-08-29 |
Attorney, Agent or Firm:
JIAQUAN IP LAW FIRM (CN)
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