Height self-adaptive chair

Abstract

The invention discloses a height self-adaptive chair. The height self-adaptive chair comprises a support and a seat plate, the seat plate comprises an upper plate and a lower plate, a coarse adjustment power mechanism is arranged on the inner side of the support, the upper end of the coarse adjustment power mechanism is fixedly connected with the lower end face of the lower plate, first switch sets are arranged on the two sides of the lower end of the support, and a fine adjustment power mechanism is arranged at the lower end of the upper plate. The fine adjustment power mechanism comprises a motor, a pinion, a bull gear, a threaded rod and a threaded sleeve, the motor is fixed to the lower plate, the pinion is fixedly connected to an output shaft of the motor, the bull gear is rotationally connected with the lower plate and meshed with the pinion, one end of the threaded rod is fixedly connected with the bull gear, the threaded rod is in threaded fit with the threaded sleeve, and one end of the threaded sleeve is fixed on the lower end face of the upper plate; and according to the present invention, the structure is reasonable, and the chair can be adjusted to the most suitable height by controlling the coarse adjustment power mechanism and the fine adjustment power mechanism so as to make the user more comfortable.

Description

technical field [0001] The invention relates to the technical field of seats, in particular to a height-adaptive chair. Background technique [0002] Whether it is work or study, a considerable part of the time is sitting, so it is very important that the chair is safe and comfortable. However, no matter it is an office or a school, its chairs are generally of uniform specifications, and for some people who are taller or shorter, the comfort of their seats cannot be guaranteed. [0003] Some existing height-adjustable chairs need to be disassembled and then reassembled. If things go on like this, it will cause damage to the connecting structure, resulting in a decrease in the firmness and stability of the chair. Moreover, those chairs that can be adjusted in height have a fixed height that can only be adjusted to a certain height, and it is impossible for people to find the most suitable height. Aiming at the above problems, a solution is proposed as follows. Contents o...

AI Technical Summary

Problems solved by technology

If things go on like this, it will cause damage to the connecting structure, resulting in a decrease in the firmness and stability of the chair

Moreover, those chairs that can be adjusted in height have a fixed height that can only be adjusted to a certain height, and it is impossible for people to find the most suitable height.

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