Stretchable drawing board bracket
A technology of telescopic frames and drawing boards, which is applied to drawing tables, desks, household appliances, etc., can solve the problems of inconvenient drawing for students, limited number of drawing classrooms, insufficient use, etc. convenient effect
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[0023] Below in conjunction with embodiment and attached Figure 1-5 The present invention is further described.
[0024] The retractable drawing board frame described in the patent of the present invention is made up of ratchet mechanism 1, fixed bottom frame 2, telescopic frame 3 and swivel frame 4, and fixed frame is to be fixed on the table together with telescopic frame 3, and swivel frame 4 Together with the telescopic frame 3, it is used to clamp the drawing board, and the ratchet mechanism 1 is used to adjust the angle between the rotating frame 4 and the fixed frame, that is, to adjust the angle between the drawing board and the desktop, so as to realize arbitrary elevation And reduce the angle between the drawing board and the desktop, which is convenient for drawing. The first supporting frame 16 is arranged on the rotating frame 4, rotates together with the rotating frame 4, and can adjust the distance with the rotating frame 4; the second supporting frame 17, and...
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