Height-adjustable backrest chair

Abstract

The invention discloses a height-adjustable backrest chair. The height-adjustable backrest chair comprises chair seat and a backrest, wherein a vertical lifting column is fixedly connected onto the bottom surface of the chair seat; a pair of vertical rack parts is formed at two ends of the bottom surface of the lifting column; a vertical groove is formed in one side wall of each rack part, racks are embedded in the groove and meshed with a vertical gear, the middle of the gear is inserted in a spline shaft, two ends of the spline shaft are hinged in a limit frame, a limit clamping strip is formed at the upper end of the limit frame, a notch is formed in one side of the limit clamping strip, and the gear is inserted in the notch; a control box is fixed on the outer wall of a tube body, a circuit control panel is arranged in the control box, and a camera and a sensor are fixed on the control box. The height of the height-adjustable backrest chair can be adjusted intelligently according to the height of a user, so that users with different heights sit conveniently, and the backrest chair is convenient to adjust, time-saving and labor-saving.

Description

Technical field: [0001] The invention relates to the technical field of smart home, in particular to a height-adjustable armchair. Background technique: [0002] Armchairs are common furniture in people's daily life. The height of existing armchairs is generally fixed, and is not suitable for people of various heights to sit comfortably, so some height-adjustable armchairs have appeared on the market to adapt to people of various heights to sit comfortably, but this type of height adjustable The height of the chair can only be adjusted manually, which is time-consuming and laborious, and requires repeated adjustments to adjust to the most comfortable position, so it is necessary to improve it. Invention content: [0003] The purpose of the present invention is to solve the problems existing in the prior art, and provide a height-adjustable armchair that can intelligently adjust the height according to the height of a person, thereby facilitating people of various heights ...

AI Technical Summary

Problems solved by technology

The height of existing armchairs is generally fixed, and is not suitable for people of various heights to sit comfortably, so some height-adjustable armchairs have appeared on the market to adapt to people of various heights to sit comfortably, but this type of height adjustable Generally, the height of the armchair can only be adjusted manually. Manual adjustment is time-consuming and laborious, and requires repeated adjustments to adjust to the most comfortable position. It is necessary to improve it.

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