a desk and chair

Abstract

The invention discloses a desk-chair, which belongs to the field of teaching facilities. The desk-chair comprises a desk and a chair, wherein the desk comprises a desktop plate, a desktop plate support, a pair of front desk legs, a pair of rear desk legs, a first connection rod and a second connection rod; the first front desk leg and the first rear desk leg are arranged in an intersection manner, the second front desk leg and the second rear desk leg are arranged in an intersection manner, and the pair of rear desk legs is clamped between the pair of front desk legs; the first end of the first connection rod is hinged on the first rear desk leg, and the second end of the first connection rod is movably connected with the first front desk leg by virtue of a first fastener; the first end of the second connection rod is hinged on the second rear desk leg, and the second end of the second connection rod is movably connected with the second front desk leg by virtue of a second fastener; a first cross rod is arranged between the other ends of the first front desk leg and the second front desk leg, and a hooks-shaped element for hooking the first cross rod is arranged on the chair, and a shrinkable rolling device is arranged at the bottom of the chair. The desk-chair disclosed by the invention is capable of adjusting the inclination of a desktop.

Description

technical field [0001] The invention relates to the field of teaching facilities, in particular to a desk and chair. Background technique [0002] Desks and chairs are indispensable teaching facilities in the school teaching process. The desks and chairs currently used in schools are separate. According to the inclination of the desktop of the desk, the desk can be divided into three categories. The first category is the desk for ordinary learning, and the desktop is horizontal; the second category is the desk for mechanical drawing, and the angle between the desktop and the horizontal plane It is about 15°; the third category is a desk for art drawing, and the angle between the desktop and the horizontal plane is about 60°. [0003] In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art: [0004] First, the inclination of the desktop of the current desk is fixed, and the same desk will not be ...

AI Technical Summary

Problems solved by technology

[0004] First, the inclination of the desktop of the current desk is fixed, the same desk will not be able to meet the needs of different teaching, and the purchase of different desks will increase the cost of teaching facilities

Second, the desks and chairs are independent of each other, not only occupying a large space, but also during use, the desks and chairs are often replaced due to cleaning and other reasons, resulting in the desks and chairs cannot be used as a set, which brings great harm to teaching management. Inconvenience

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