Accounting teaching demonstration device
A demonstration device and teaching technology, which is applied in the directions of identification devices, educational appliances, and electrically operated teaching aids, etc., can solve the problems of large space, the display screen is not effectively protected, and the transportation and movement are inconvenient, so as to achieve convenient transportation and good teaching effect. , the effect of improving teaching efficiency
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Embodiment 1
[0024] see figure 1 , in an embodiment of the present invention, an accounting teaching demonstration device includes a frame and a display screen 4, the display screen 4 is installed on the frame, the frame includes a box body 1 and a lifting mechanism, and the box body 1 Rollers 8 are installed on the four corners of the bottom, and the rollers 8 are self-locking rollers to facilitate the movement of the device. A lifting mechanism for driving the display screen 4 is installed in the box 1, and the lifting mechanism includes a threaded rod 3 , the mounting plate 2 and the belt transmission mechanism, the threaded rods 3 are two in total and are respectively installed on both sides of the inner cavity of the box body 1 through bearing rotation, the screw threads of the two threaded rods 3 have the same direction of rotation, and the threads of the two threaded rods 3 One bottom end is fixedly connected with the output shaft of the motor 10 through a coupling, the motor 10 is ...
Embodiment 2
[0026] see Figure 2~3 The difference between this embodiment of the present invention and Embodiment 1 is that the two sides of the display screen 4 are hingedly installed with door bodies 11 through hinges 17, and after the teaching ends, the door bodies 11 on both sides are closed, and the display screen 4 protection, the door body 11 is provided with a writing area 12, which is convenient for teachers to write, and the teacher can teach simultaneously through the display screen 4 and the writing area 12, and the teaching effect is good. An erasing mechanism is provided, and the erasing mechanism includes a scrubber bar 16 and a slider 14. The scrubber bar 16 is arranged horizontally and its length is not less than the width of the writing area 12. Both sides of the scrubber bar 16 are uniformly provided with sliders 14. There is a chute 13 on the door body 11 for the sliding connection of the slider 14. The length of the chute 13 is not less than the height of the writing ...
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