English word writing and memorizing device
A memory device and word technology, applied to reusable writing boards, cleaning devices for blackboards or slates, printing, etc., can solve the problems of low learning efficiency, lack of urgency for learners, and dull learning, etc., so as to improve writing. Efficiency, memory-enhancing effect
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Embodiment 1
[0023] see Figure 1~2 , in an embodiment of the present invention, an English word writing and memory device includes a base plate 1 and a testing device, support legs 24 are installed on the four corners of the bottom of the base plate 1, and rollers 25 are installed at the bottom of the support legs 24. 25 is a self-locking roller 25, which facilitates the movement of the device. Mounting plates 2 are fixed on both sides of the upper surface of the substrate 1, and a test device is installed between the two mounting plates 2. The test device includes an outer cylinder 3 and an inner cylinder 20. and a driving device, the outer cylinder 3 is arranged between two installation plates 2, the two ends of the outer cylinder 3 are fixedly connected with the installation plate 2, the inner cylinder 20 is sleeved in the outer cylinder 3, and the centers of the two ends of the inner cylinder 20 are The installation shaft 19 is fixed, the installation shaft 19 runs through the outer c...
Embodiment 2
[0025] see image 3 The difference between this embodiment of the present invention and Embodiment 1 is that the outer cylinder 3 is rotationally connected with the mounting plate 2 through a bearing, an outer ring gear 26 is installed on the wall of the outer cylinder 3, and a second Motor 28, gear 27 is installed on the output shaft of the second motor 28, and gear 27 is meshed with outer ring gear 26, can drive the 3rd eraser 23 quickly and conveniently and all written characters are wiped off, improved working efficiency, saved time.
[0026]The working principle of the present invention is: when the present invention is in use, the English input device to be tested is displayed by the display screen 17, pronounced by the pronunciation device 22, and the tester spells letters and corresponding Chinese according to the English pronunciation, starts the motor 12, and 12 Drive the sleeve 10 to rotate through the spline shaft 11, the sleeve 10 drives the driving gear 9 to rota...
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