Title:
SUPPORT WITH SELF-LOCKING FUNCTION
Document Type and Number:
WIPO Patent Application WO/2019/091430
Kind Code:
A1
Abstract:
Disclosed is a support with a self-locking function, comprising a first supporting rod (10), a second supporting rod (20), a connecting portion (30) and an elastic member (40), wherein one end of the first supporting rod (10) is provided with at least one first locking hook (122) and two rotating portions (123), and is sheathed over the connecting portion (30) by means of the two rotating portions (123), with one of the rotating portions (123) having a spiral surface (1232) and being provided with a groove (1233); one end of the second supporting rod (20) is provided with at least one second locking hook (222) and a rotating portion (223), and is sheathed over the connecting portion (30) by means of the rotating portion (223), with the rotating portion (223) being provided with a bump (2232) and being located between the two rotating portions (123); an elastic member (40) is sheathed over the connecting portion (30) and elastically clamped between the rotating portion (223) and the other rotating portion (123); the bump (2232) is capable of sliding along the spiral surface (1232) when the second supporting rod (20) rotates relative to the first supporting rod (10), and is elastically pushed by the elastic member (40) to return to the groove (1233) when the bump is aligned with the groove (1233); and the at least one first locking hook (122) is fastened in a snap-fit with the at least one second locking hook (222). By means of the second supporting rod (20) rotating relative to the first supporting rod (10), the first locking hook (122) and the second locking hook (222) are fastened in a snap-fit with each other, thereby realizing self-locking of the support without requiring manual locking.
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Inventors:
CHEN BO (CN)
Application Number:
PCT/CN2018/114615
Publication Date:
May 16, 2019
Filing Date:
November 08, 2018
Export Citation:
Assignee:
JIASHAN QIANXINHE ELECTRONICS TECH CO LTD (CN)
International Classes:
F21V21/14
Foreign References:
| CN107859975A | 2018-03-30 | |||
| CN207316851U | 2018-05-04 | |||
| CN201126108Y | 2008-10-01 | |||
| CN101995001A | 2011-03-30 | |||
| CN105318202A | 2016-02-10 | |||
| CN206055338U | 2017-03-29 | |||
| CN104141930A | 2014-11-12 | |||
| US7896537B2 | 2011-03-01 | |||
| JP2015025520A | 2015-02-05 | |||
| TW201109543A | 2011-03-16 |
Attorney, Agent or Firm:
BEIJING LINKAW PATENT ATTORNEY LAW FIRM (CN)
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