Automatic lifting chair

Abstract

The invention discloses an automatic lifting chair comprising a backrest, a cushion, armrests and a base, wherein the backrest is connected with the cushion and is arranged on the back side of the cushion, the armrests are arranged on the left and the right sides of the cushion, an lifting button and a descending button are arranged on one armrest at one side, the bottom surface of the cushion is connected with one end of a supporting rod, and a lifting cylinder is connected with the other end of the supporting rod, a sleeve is arranged in the lifting cylinder, a screw rod of a motor is sleeved by the sleeve, a screw thread is arranged in the sleeve and corresponds to the screw rod, the outer side of the sleeve is provided with a shaft sleeve, the motor is fixed on the base, the automatic lifting chair solves the problem that in the prior art the safety of a pneumatic lifting chair is not high, the automatic lifting chair design accords with human body engineering, the automatic lifting chair not only can provide a better and more comfortable service for a user and is high in safety, and the automatic lifting chair absolutely may not explode due to improper use or excessively-long chair service life in a use process, and has the advantages of simple operation, safety and energy saving.

Description

technical field [0001] The invention belongs to the field of furniture, in particular to an automatic lift chair. Background technique [0002] Chairs are very practical and appear in every room. Its main function is to facilitate people to rest, so its comfort is the main criterion to measure the quality of a chair. [0003] The lift chair is a new type of chair. It is mainly composed of a seat plate, a backrest, a bracket, a bracket rocker arm, a lifting positioning device and a chair foot. The bracket and the chair foot are hinged by the bracket rocker arm. The hinged shaft on the chair foot rotates up and down at the center of a circle, and when the rocker arm of the support is shaken, the support is driven up and down to realize the lifting of the seat board; in addition, a lifting and positioning device is also set between the support and the chair foot, so that the space of the single chair can be adjusted The use of larger multi-person chairs and sofas is more varia...

AI Technical Summary

Problems solved by technology

[0010] The invention provides an automatic lift chair, which is used to solve the problem of low safety of the air pressure lift chair in the prior art. Higher, it will definitely not cause the chair lift to explode during use due to improper use or the chair's service life is too long, the operation is simple, safe and energy-saving

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