Portable multifunctional teaching instrument
A multi-functional and portable technology, applied in the field of teaching instruments, can solve problems such as lack of relevance, large number of experimental devices, inconvenience to carry and carry, and affect the quality of experimental teaching, so as to increase interest, stimulate creative thinking and imagination, and improve teaching effect of effect
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0020] refer to Figure 1-2 , a portable multifunctional teaching instrument, comprising a first bottom plate 1 and a second bottom plate 2 whose top edges are hinged to each other, a first support base 3 is connected to the bottom surface of the first bottom plate 1, and a There is a connecting hole, the bottom surface of the first supporting seat 3 is provided with a connecting shaft, and the connecting shaft is movably inserted in the connecting hole, the top of the first supporting seat 3 is connected with a spring force gauge 4, and the spring force gauge 4 includes a The outer cylinder 41 on the top of the first support seat 3, the outer cylinder 41 is sleeved ...
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