Study chair with adjustable backrest

Abstract

The invention discloses a study chair with an adjustable backrest, which comprises a vertical rod, a chair back, a seat plate, chair legs and a lifting sleeve connected with the vertical rod, and the height of the chair back is adjusted through the lifting sleeve; a chair back adjusting assembly used for adjusting the sitting depth is further fixed to the lifting sleeve, and the chair back is fixedly connected with the lifting sleeve through the chair back adjusting assembly; the chair back adjusting assembly comprises a chair back supporting frame used for being connected with a chair back and a fixing frame fixed to the lifting sleeve, and a locking piece used for adjusting the distance between the fixing frame and the chair back supporting frame is arranged on the fixing frame. The study chair disclosed by the invention has a backrest adjusting function, can meet the adjusting and using requirements of back fitting in the using process, adapts to the body shape difference of different children and the rapid body shape change of the children in the period, and can correct the sitting posture, prevent humpback and ensure the smooth blood of the children after being used for a long time, so that the comfort of the learning chair is further improved.

Description

technical field [0001] The invention relates to the field of chairs, in particular to a learning chair with an adjustable backrest. Background technique [0002] The learning chair is a unique chair designed according to various theories. The learning chair can be adjusted in a variety of ways, including height, sitting posture and comfort, so as to bring a greater degree of comfort to learners. Help children achieve the effects of anti-camel eyes, high-efficiency learning. However, the traditional learning chair lacks design considerations for the fit of the learner's back. The learning chair does not have the function of backrest adjustment, which cannot meet the adjustment and use requirements of the back fit during use. After sitting on the chair for a long time, the back will produce A certain degree of soreness, especially for children, the depth of the back of the chair cannot be adjusted, and children who are growing in age and height cannot be supported by the back...

AI Technical Summary

Problems solved by technology

However, the traditional learning chair lacks design considerations for the fit of the learner's back. The learning chair does not have the function of backrest adjustment, which cannot meet the adjustment and use requirements of the back fit during use. After sitting on the chair for a long time, the back will produce A certain degree of soreness, especially for children, the depth of the back of the chair cannot be adjusted, and children who are growing in age and height cannot be supported by the back, which will make the child feel uncomfortable and bend forward. Spinal deformation, hunchback, myopia and a series of health problems

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