Liberal art teaching auxiliary device
A teaching aid and liberal arts technology, applied in the field of liberal arts teaching aids, can solve the problems of inability to lift, reduce teaching quality, and low degree of humanization, and achieve the effects of convenient adjustment, improved visual effects, and simple structure
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[0015] A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.
[0016] like figure 1 As shown, the embodiment of the present invention provides an auxiliary device for liberal arts teaching, including a base 1, a groove 2 is provided on the base 1, a lead screw 3 is arranged in the groove 2, and the right end of the lead screw 3 is connected to the second end through a coupling. The power output shaft of a motor 4 is rotatably connected; the screw 3 is provided with a threaded seat 5 that rotates with it, and the threaded seat 5 is fixedly connected with a first connecting seat 6, and the first connecting seat 6 is hinged with a connecting rod 7. The other end of the rod 7 is hinged with a second connecting seat 8, the second connecting seat 8 is fixed on the bottom surface of the box ...
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