Chair

Abstract

The invention discloses a chair. The chair comprises a lifting rod, a seat cushion, a backrest cushion and connecting seats, the chair is characterized in that at least three bottom foot supporting rods are installed on the periphery of the connecting seat at the lower end of the lifting rod, the bottom foot supporting rods comprise horizontal supporting pars and connecting parts, and the connecting parts are fixedly connected to the periphery of the connecting seat at the lower end of the lifting rod; a backrest support rod is connected between the backrest cushion and the rear side of the connecting seat at the upper end of the lifting rod; and a platform support rod is arranged on the left side and / or the right side of the connecting seat at the upper end of the lifting rod, and a platform is arranged on the platform support rod. According to the chair, the lifting rod can adjust the overall height of the chair, the backrest support rod which can be extended and shortened is connected between the backrest cushion and the rear side of the connecting seat at the upper end of the lifting rod, the platform support rod which can be extended and shortened is further arranged, the platform for writing and placing objects is installed on the upper overhanging rod of the platform support rod, the height of the backrest cushion and the platform can be adjusted at will, using needs of different customers are met, and the comfort of use is improved.

Description

technical field [0001] The invention belongs to the technical field of clamps, and in particular relates to a chair. Background technique [0002] The chair is very practical and appears in every room. Its main function is to facilitate people to rest, so its comfort is the main criterion for measuring the quality of a chair. [0003] At present, chairs are generally equipped with lifting rods and other structures, so that the overall height of the chair can be adjusted and the seat cushion of the chair can be rotated, but other parts, such as the back cushion, cannot be adjusted in height and cannot meet the needs of different customers. And the chair usually has casters and no casters. If the customer buys a chair with casters, it cannot be used in a room with a wooden floor. The casters will damage the wooden floor. Although the casters can be removed, the chair after removing the casters cannot be used. The feet can also damage the wooden floor. If the customer buys a c...

AI Technical Summary

Problems solved by technology

[0003] At present, chairs are generally equipped with lifting rods and other structures, so that the overall height of the chair can be adjusted and the seat cushion of the chair can be rotated, but other parts, such as backrest cushions, cannot be adjusted in height, which cannot meet the needs of different customers.

Moreover, chairs usually have two types: with casters and without casters. If the customer buys a chair with casters, it cannot be used in a room with wooden floors. The casters will damage the wooden floor. Although the casters can be disassembled, the chair after removing the casters The bottom feet can also damage the wooden floor. If the customer buys a chair without casters, it cannot satisfy the sliding function of the chair

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