Chair with seat sliding to drive backrest to incline

Abstract

The invention relates to a chair with a seat sliding to drive a backrest to incline, which comprises chair legs, a chassis, a seat and a backrest bracket arranged on the chassis, and a backrest arranged on the backrest bracket, wherein the chassis is provided with an adjustment device adjusting the inclination angle of the backrest bracket. The invention is characterized in that the middle part of the backrest can be arranged on the upper end of the backrest bracket in a rotation mode, the seat comprises a bracket and a cushion body which is arranged on the bracket and can move back and forthrelative to the bracket, and the back part of the cushion body is movably hinged with the lower part of the backrest. The left side and the right side of the bottom of the cushion body are respectively provided with guide slots in the front and back directions, and the bracket is provided with idler wheels arranged on the guide slots. A positioning device which controls the front and back positions of the cushion body is also arranged between the bracket and the cushion body. With the structure, the chair with the seat sliding to drive the backrest to incline has reasonable structural design,the inclination scope of the angle of the backrest is large, and the center of gravity can be changed along with the inclination of the backrest, so the chair is comfortable in use.

Description

Technical field

[0001] The invention belongs to the field of furniture manufacturing, and specifically relates to a seat whose seat slides and drives the backrest to tilt. Background technique

[0002] Current seats generally consist of chair legs, a chassis, a seat and a backrest bracket installed on the chassis, and a backrest installed on the backrest bracket. In order to improve comfort, an adjustment for adjusting the inclination angle of the backrest bracket is generally provided on the chassis. device to adjust the inclination angle of the backrest, such as the technical solution of "a wire-controlled device for tilting and lifting of swivel chairs" disclosed in the Chinese utility model patent (Patent No.: 200820051448.6). This technical solution uses an easy-to-operate cable adjustment device. A seat that controls the tilt angle of the backrest. Of course, there are other ways to directly control the inclination angle of the backrest bracket. This control technolog...

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