Title:
LOCKING MECHANISM, SUPPORT BAR ASSEMBLY AND SUPPORT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/098973
Kind Code:
A1
Abstract:
Provided is a locking mechanism, relating to the technical field of support assist apparatus. The locking mechanism comprises a pin rod (011), a conical surface (012), a conical surface insert (013), a tightening member (014), a movable ball (015) and a conical sleeve (016) from inside to outside, wherein the conical surface (12) is formed by means of being enclosed by one or more movable face sheets (121), the conical surface insert (013) is embedded in one side of the movable surface sheet (121) away from the pin rod (011) and is arranged corresponding to the movable surface sheet (121), the tightening member (014) is provided with a socket corresponding to the movable surface sheet (121), and is used for tightening the movable surface sheet (121); a ball hole (161) is provided on the conical sleeve (016), and the diameter of the ball hole (161) is smaller than the diameter of the movable ball (015), the movable ball (015) is stuck in the space between the conical surface (012) and the ball hole (161) and can move in this space; and one end of the pin rod (011) is an expansion end, and the expansion end is used for locking with the conical surface (012). The present invention further provides a support bar assembly and a support apparatus. The assembly and apparatus improve the technical problems of slow positioning speed, complicated operation, and poor stability in the existing support frame body.
Inventors:
CHEN JIANFENG (CN)
Application Number:
PCT/CN2017/081510
Publication Date:
June 07, 2018
Filing Date:
April 21, 2017
Export Citation:
Assignee:
CHEN JIANFENG (CN)
International Classes:
F16L27/12; F16B7/14
Domestic Patent References:
| WO2011072325A1 | 2011-06-23 |
Foreign References:
| CN105485108A | 2016-04-13 | |||
| CN102720737A | 2012-10-10 | |||
| CN202804738U | 2013-03-20 | |||
| CN205315416U | 2016-06-15 | |||
| JP2000027951A | 2000-01-25 |
Attorney, Agent or Firm:
CHOFN INTELLECTUAL PROPERTY (CN)
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