Self-cleaning blackboard eraser
A blackboard eraser and self-cleaning technology, which is applied in the field of blackboard erasers, can solve the problems of affecting the teaching environment, flying chalk dust, and the effect of erasing the blackboard is not very good, and achieves the effects of convenient use and reasonable structure.
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Embodiment 1
[0024] Such as Figure 1-3 As shown, the self-cleaning blackboard eraser according to the embodiment of the present invention includes a blackboard eraser body 1, and the blackboard eraser body 1 is connected to the blackboard body 4 through a first drive mechanism 2 and a second drive mechanism 3. The side of the eraser body 1 close to the blackboard body 4 is provided with a groove 5, and the inner side of the groove 5 is provided with some rubbing rollers 6, and the rubbing rollers 6 are connected to the side of the blackboard eraser body 1. The multi-axis drive mechanism 7 is matched and connected, the inside of the groove 5 is provided with a support plate 8 on one side of the rubbing roller 6, and the side of the support plate 8 close to the rubbing roller 6 is provided with a brush 9 The side of the blackboard eraser body 1 close to the side of the blackboard body 4 is provided with a number of suction ports 10, and the middle position of the blackboard eraser body 1 aw...
Embodiment 2
[0027] Such as Figure 1-3 As shown, the first driving mechanism 2 is composed of an upper support beam 17, a lower support beam 18, an upper slider 19, a lower slider 20 and a motor one 21, and the upper support beam 17 is located at the bottom of the blackboard body 4. At the top, the lower support beam 18 is located at the bottom of the blackboard body 4, the upper slider 19 is inserted through the upper support beam 17, the lower slider 20 is inserted through the lower support beam 18, the Motor one 21 is positioned at an end of described upper support beam 17, and described second driving mechanism 3 is made of screw mandrel 22, slide rail 23, screw sleeve 24, sliding sleeve 25 and motor two 26, and described screw mandrel 22 and all The slide rails 23 are respectively connected to the upper slider 19 and the lower slider 20, and the threaded sleeve 24 and the slide sleeve 25 are sleeved on the screw rod 22 and the slide rail 23 respectively. It is fixedly connected with...
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