Business administration instruction display board
A technology for enterprise management and display boards, applied to reusable writing boards, blackboards or slate cleaning devices, printing, etc., can solve the problems of inconvenient height adjustment, inability to easily wipe chalk writing, limited writing range, etc., to achieve Easy to operate, labor-saving and convenient in the handwriting wiping process, and the effect of improving the writing range
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Embodiment 1
[0029] Embodiment one, with reference to figure 1 , an enterprise management teaching display board, including a writing screen 2 and a base plate 11, and four corners at the bottom of the base plate 11 are equipped with moving wheels 10, the setting of the moving wheels 10 can facilitate the movement of the teaching display board, and the top of the base plate 11 The two sides are connected to the electromagnetic plate 1 through symmetrically arranged telescopic rods 8. The inside of the telescopic rod 8 is a hollow structure, and the end of the thin tube is located in the thick tube. A piston with good airtightness is provided to ensure that the telescopic rod 8 can Elongation is carried out to achieve the effect of lifting. After the electromagnetic board 1 is powered on, it will generate a strong magnetic field, which can absorb the soft magnetic skin 19, and both sides of the electromagnetic board 1 are welded with fixed arms 4, and the two fixed arms 4 rotate inside. Con...
Embodiment 2
[0030] Embodiment two, refer to Figure 1-2 with Figure 6-7 The electromagnetic shielding layer 20 is fixedly connected to the rear surface wall of the electromagnetic board 1. The electromagnetic shielding layer 20 can prevent the electromagnetic board 1 from being energized and magnetized, and then absorb and fix the soft magnetic skin 19 on the rear surface of the electromagnetic board 1, and the electromagnetic board 1 is energized. The raw magnetism can firmly absorb the soft magnetic skin 19, so that the writing screen 2 can be flattened to the front surface of the electromagnetic board 1, which is convenient for writing operation. Soft magnetic skin 19, the bottom of one of the two roller shafts 3 runs through the horizontal end of the fixed arm 4 through the rotating shaft and extends to the outside to be welded with the handle 7. By shaking the handle 7, the roller shaft 3 rotates to drive the writing screen 2 moves, effectively improved writing scope, two fixed arm...
Embodiment 3
[0031] Embodiment three, refer to image 3 , one of the two fixed arms 4 is provided with a fixed plate 16 inside, and the top of the fixed arm 4 is provided with a through-type opening 41, the opening 41 is used to take out the cleaning cotton 17, and one side of the fixed plate 16 is close to The position of the inner surface wall of the fixed arm 4 is elastically connected with the inner surface wall of the fixed arm 4 through the correction spring 18, the correction spring 18 is used to limit the rotation of the fixed plate 16, and the middle position of one side of the fixed plate 16 is connected with the shaft sleeve The screw rod 14 is movably connected, and one end of the screw rod 14 runs through the vertical end of the fixed arm 4 and extends to the outside to be welded with the rotary rod 5. The other side of the fixed plate 16 is provided with a cleaning cotton 17 near the roller shaft 3. By rotating the rotary rod 5, The screw 14 rotates and drives the cleaning co...
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