Outdoor advertising display screen facilitating dust removal
A technology for display screens and advertisements, applied in the field of display screens, can solve the problems of reduced display screen life, difficult dust removal, and inconvenient lifting, etc., and achieves the effects of strong practicability, time saving and work efficiency improvement.
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[0020] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.
[0021] see Figure 1-3 , an outdoor advertising display screen that is convenient for dust removal, including a support base 1, a lifting motor 3, a screw rod A7, a lifting block 8, a display screen fixing frame 9, a display screen 10, a driving motor 13, a screw rod B14, and a dust removal wiper 18 And the rainproof device 20, the support base 1 is fixed with a support guide rod 2 by screws, and there are at least two groups of support guide rods 2, the inside of the support base 1 is a hollow structure, and the inside of the support base 1 is fixedly installed with a lifting The motor 3, the lifting motor 3 is a servo motor, the output shaft of the lifting motor 3 is vertically upward and is installed with an interference fit with the driving gear 4, the left side of the driving gear 4 is meshed with the driven gear 5, and the wheel core of the d...
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