Title:
M-TYPE HIDDEN CONNECTING PIECE
Document Type and Number:
WIPO Patent Application WO/2022/246638
Kind Code:
A1
Abstract:
An M-type hidden connecting piece, comprising an M-shaped frame. Fixing plates that are outwards unfolded are symmetrically arranged at the tail end of the M-shaped frame; fixing holes are formed in the fixing plates; an opening is formed in the middle of the M-shaped frame; an arc-shaped plate surface that inwards extends in an arch mode is provided in the opening; and an outward circular positioning groove is formed in the center of the arc-shaped plate surface. According to the M-type hidden connecting piece, the arc-shaped plate surface is provided and matched with a screw, so that elastic connection is increased, mounting is convenient and fast, and the connecting piece is simple to use; and forming a circular center positioning groove can enable mounting to be firmer, and prevents the screw from automatically sliding out.
Inventors:
GUAN HAIFENG (CN)
Application Number:
PCT/CN2021/095732
Publication Date:
December 01, 2022
Filing Date:
May 25, 2021
Export Citation:
Assignee:
GUAN HAIFENG (CN)
International Classes:
F16B5/02; F16B43/00
Foreign References:
| CN209539801U | 2019-10-25 | |||
| CN207377918U | 2018-05-18 | |||
| JP2015132301A | 2015-07-23 | |||
| CN209838873U | 2019-12-24 | |||
| CN110657143A | 2020-01-07 |
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