一种转椅底盘

Swivel chair underframe

  • Inventors: HUO RUNZHONG
  • Assignees: 霍润忠
  • Publication Date: April 03, 2013
  • Publication Number: CN-202842950-U

Abstract

本实用新型公开一种转椅底盘,包括与气压棒连接的大盘,与椅座连接的左支架和右支架,后托可绕安装在大盘两侧的螺丝轴相对于大盘向下摆动,通过弹簧定位架下和弹簧定位架上安装在大盘上的回力弹簧及安装在大盘上的逍遥力度调节杆总成、汽压棒操纵丁字手柄和逍遥角度锁定手柄,所述弹簧定位架下下部设有多角螺丝,所述多角螺丝上螺接有多角齿轮轴,所述多角齿轮轴上设有齿轮组,所述齿轮组套接在逍遥力度调节杆总成上。本实用新型的结构合理,操作方便,相对省力,摩擦力小,从而减少了调节时产生的噪音,还能够微调转椅的倾仰角度和前后滑动移动座椅。
The utility model discloses a swivel chair underframe. The swivel chair underframe comprises a big plate, a left bracket, a right bracket, a return spring, a free force adjusting rod assembly, an air pressure rod operating T-shaped handle and a free angle locking handle, wherein the big plate is connected with an air pressure rod; the left bracket and the right bracket are connected with a seat; a rear support can swing up and down around screw shafts which are arranged on the two sides of the big plate relative to the big plate; the return spring is arranged on the big plate after passing through the lower part of a spring positioning frame and the upper part of the spring positioning frame; the free force adjusting rod assembly, the air pressure rod operating T-shaped handle and the free angle locking handle are arranged on the big plate; a multi-angle screw is arranged on the lower part of the spring positioning frame; a multi-angle gear shaft is screwed on the multi-angle screw; a gear set is arranged on the multi-angle gear shaft; and the gear set is sleeved on the free force adjusting rod assembly. the swivel chair underframe has a reasonable structure, is convenient to operate, relatively force-saving and small in friction force, so that the noise generated by adjusting is reduced; and a tipping angle of the rotary chair can be slightly adjusted, and the seat can slide forwards and backwards.

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    Publication numberPublication dateAssigneeTitle
    CN-104223821-BJanuary 11, 2017永艺家具股份有限公司一种转椅底盘