Furniture refers to the main types of tools and facilities needed for human beings to maintain a normal life, engage in production practices and social activities, furniture has been keeping pace with the development and innovation of the times. Dining chairs are chairs specifically for dining, is a kind of dining room furniture. They can be divided into solid wood chairs, steel chairs, bentwood chairs, aluminum chairs, metal chairs, rattan chairs, plastic chairs, glass and steel chairs, acrylic chairs, panel chairs, miscellaneous wood chairs, baby dining chairs, etc., but the existing retractable dining chairs have the following shortcomings: 1, the existing retractable chairs due to their own structural shortcomings, functionality, leading to poor results in the use of the low comfort. 2, the existing retractable chairs are not designed to be used for the purpose of the dining table, but they are designed to be used for the purpose of the dining table, so that they are suitable for all types of dining tables. 2, the existing retractable dining chair backrest using a monolithic structure, resulting in the device can not be adjusted according to the need for expansion and contraction, further reducing the comfort of the device.

Technical realization elements: the technician provides a multi-functional retractable dining chair, solves the existing retractable dining chair function single leading to poor use, low comfort, also solves the existing retractable dining chair backrest adopts a one-piece structure, resulting in the device can not be according to the need to retract the problem of adjustment, further reducing the comfort of the device. In order to achieve the above purpose, the dining chair adopts the following technical solutions: a multi-functional telescopic dining chair, including the support plate and set in the support plate at the bottom of the support legs, the top of the support plate is equipped with a heating pad, the support plate is equipped with a backrest, the top of the backrest is equipped with a telescopic support component, the middle of the backrest is equipped with a massage component, the backrest is equipped with two sides of the auxiliary support component. There is a reinforcement inside the support legs, a reinforcement plate between the support legs, and the support feet are connected to the bottom of the support legs. The massage component consists of two sets of limit rods, massage rollers and a rotary shaft, two sets of limit rods are fixedly located at the top and bottom of the backrest respectively, and a number of massage rollers are uniformly located between the backrests, and a rotary shaft is located at the top and bottom of each set of massage rollers, and the end of the rotary shaft is connected to the limit rods through a bearing. The telescopic support component consists of a slide groove, a slide bar, a limit block and a limit bolt. The slide groove is set in the upper middle inner side of the backrest; the bottom of the slide bar passes through the inner wall of the slide groove and is fixedly connected to the top of the limit block; the top of the slide bar is fixedly connected to a curved plate; and the limit bolt is set in one side of the backrest. The outer wall of one side of the sliding bar is provided with a limit slot, and one end of the limit bolt passes through the inner wall of the slot and rests on the limit slot. Auxiliary support component consists of mounting slot, support frame, mounting bolts and arc-shaped placement plate, mounting slot is set on the side of the backrest, one end of the support frame and the mounting slot, one end of the mounting bolts through the mounting slot and the support frame is fixed connection, the top of the arc-shaped placement plate is equipped with a plurality of placement grooves.

Summarized, the above multi-functional retractable dining chair beneficial effect is: 1, by setting the heating pad, massage components and auxiliary support components, in use, can be used, one end of the support bracket snap in the mounting slot, and then use the mounting bolts will be fixed to limit the support bracket, so you can use for infants, effectively increasing the functionality of the device. Users can turn on the heating pad as needed to reduce the erosion of cold air on the body; in addition, by rotating the massage rollers on the user's back massage, effectively improving the comfort of the device.