Self-locking free telescopic column mechanism

Abstract

The invention discloses a self-locking stand column mechanism capable of stretching and retracting freely. The self-locking stand column mechanism capable of stretching and retracting freely comprises a lower stand column, an upper stand column, a rack, a clamping tooth, a fixing piece and an elastic piece. With the actual using direction as the criterion, the upper stand column can slide in the axial direction to be arranged outside the lower stand column in a sleeving mode, the rack is fixedly installed on the surface of the outer side of the lower stand column, a plurality of insertion holes are linearly formed in the rack in the length direction of the lower stand column at intervals, the fixing piece is fixedly installed on the surface of the inner side of the upper stand column, the clamping tooth is hinged to the fixing piece, a ratchet structure is formed at one end of the clamping tooth and can right stretch into one insertion hole of the rack, the ratchet structure only allows the upper stand column to move relative to the lower stand column in a unidirectional mode in the length direction of the upper stand column, the other end of the clamping tooth stretch out of the upper stand column along a through hole in the side wall of the upper stand column, and the ratchet structure of the clamping tooth is kept having the movement tendency to stretching into one insertion hole of the rack all the time by the elastic piece. The self-locking stand column mechanism capable of stretching and retracting freely is simple in structure, operation is easy, cooperative work of multiple people is not needed, and height adjustment safety of electronic products is guaranteed.

Description

technical field [0001] The invention relates to a cart, a suspended ceiling and a cantilever bracket with adjustable length or height, in particular to a self-locking free telescopic column mechanism. Background technique [0002] The common retractable column mechanism adjusts the length of the column by locking and loosening the screws; if you want to adjust the length of the bracket after installation, you need to unscrew the upper screws one by one. Tighten one by one, the installation of this process often requires at least two people to cooperate, and it takes a long time, and sometimes even find inappropriate tools to adjust, which causes a lot of trouble to the user and cannot be more convenient. The use of the column may even cause the falling damage of the electronic products installed on the column, and the column mechanism is used for a long time, and after repeated friction, it is easy to cause wear and tear of the adjustment structure, or failure, and the servi...

AI Technical Summary

Problems solved by technology

[0002] The common retractable column mechanism adjusts the length of the column by locking and loosening the screws; if you want to adjust the length of the bracket after installation, you need to unscrew the upper screws one by one. Tighten one by one, the installation of this process often requires at least two people to cooperate, and it takes a long time, and sometimes even find inappropriate tools to adjust, which causes a lot of trouble to the user and cannot be more convenient. The use of the column may even cause the falling damage of the electronic products installed on the column, and the column mechanism is used for a long time, and after repeated friction, it is easy to cause wear and tear of the adjustment structure, or failure, and the service life is short

Images