Multifunctional chassis device for swivel chair

Abstract

The invention discloses a multifunctional chassis device for a swivel chair, belongs to the technical field of swivel chair chassis, and solves the problems that most of existing chassis is relatively tedious in use, labor-consuming and inconvenient due to the fact that a user needs to stand up and depend on manual force when adjusting the chassis. The multifunctional chassis device for the swivel chair comprises a chassis; the chassis comprises a center fixing seat and a fixing seat; the whole chassis is formed by jointly welding the center fixing seat and five inclined grounding rods welded to the center fixing seat in a surrounding mode; the tail ends of the five inclined grounding rods are each provided with a rolling wheel in a threaded mode; four vertical supporting fulcrum shafts are symmetrically welded to the top end of the center fixing seat; the fixing seat is welded and supported at the top ends of the four vertical supporting fulcrum shafts; a vertical supporting shaft is installed in the center of the fixing seat in a penetrating and sliding mode. Two swing rods can swing up and down to push a lifting pressing disc, the compression degree of a spring is adjusted, and the buffering comfort degree of the chair can be adjusted according to the use requirements of different people.

Description

technical field [0001] The invention relates to the technical field of swivel chair chassis, in particular to a multifunctional chassis device for a swivel chair. Background technique [0002] The swivel chair is a computer chair, a chair in which the sitting part can be rotated in the category of office chairs. The use of the swivel chair brings people comfort and convenience. The swivel chair chassis, also known as the swivel chair tray, is installed under the swivel chair seat cushion. An important part, the lifting of the seat cushion and the adjustment of the tilt angle of the backrest are all done by the chassis. The swivel chair chassis greatly enriches the usability of the swivel chair and is convenient for daily use. [0003] For example, the patent No. CN201210346783.X discloses a swivel chair chassis, including a bottom plate connected to the air rod, and a support plate is respectively arranged on the left and right sides of the bottom plate along the vertical di...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a multifunctional chassis device for a swivel chair, to solve the problem in the above-mentioned background art that most of the adjustment operations of the chassis need to be done by standing up and relying on manual effort, which is cumbersome, laborious and inconvenient to use

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