Office chair with automatically adjustable height

Abstract

The invention relates to an office chair with automatically adjustable height. The office chair comprises a seat, a chair back, a headrest, a chassis base, a first regulating mechanism, a second regulating mechanism, a pedestal, a memory and a controller. The chassis base is arranged below the seat; the first regulating mechanism is disposed on the chassis base, and is connected to the pedestal to regulate the lifting of the seat; the chair back is arranged on the seat; the second regulating mechanism is disposed on the chair back, and is connected to the headrest to adjust the lifting of the headrest; the first regulating mechanism consists of a first stepping motor, a first screw rod and a first nut; the first stepping motor is arranged in the chassis base, a drive shaft of the first stepping motor is connected to the first screw rod to drive the first screw rod; and the lower end of the first screw rod is connected to the pedestal through the first nut. Compared with the prior art, the office chair provided by the invention can realize manual and automatic adjustment of the seat height and the headrest height at the same time.

Description

technical field [0001] The invention relates to an office chair, in particular to an office chair which is convenient for height adjustment. Background technique [0002] Office chairs are one of the indispensable tools of office equipment, and in order to adapt to the figures of different people, the height of the seat of the existing office chairs can be adjusted to facilitate the use of different people. see figure 1 , which is a structural schematic diagram of an office chair in the prior art. An office chair is provided in the prior art, which includes a seat 1a, a chassis base 3a arranged under the seat, an elastic support 2a arranged between the seat and the chassis base, and a The pneumatic rod 4a, and the base 5a connected to the lower end of the pneumatic rod; a manual adjustment switch is provided on the chassis base for adjusting the telescopic length of the pneumatic rod to achieve the effect of adjusting the height of the seat. [0003] However, the office c...

AI Technical Summary

Problems solved by technology

[0003] However, the office chairs in the prior art still need to rely on the user to bend over and automatically adjust the seat height manually

However, since the user needs to bend over to adjust during the adjustment process, the experience is not convenient enough for the user.

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