Dust-free blackboard eraser
A blackboard eraser and board eraser technology, which is applied to the cleaning device, printing, office supplies and other directions of blackboard or slate, can solve the problem of not being able to play a role in dust prevention, not solving the secondary pollution of chalk dust, and not having obvious dustproof effect. , to achieve good dustproof effect
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[0022] Example 1
[0023] A dust-free blackboard eraser, such as figure 1 As shown, the eraser body 1 is included; the eraser body 1 includes at least two lint brush rollers 2, which are connected to the ash storage box 3 through a rotating shaft, and are located between two adjacent lint brush rollers 2 The distance between the two brushes is 0.8-1.5cm; the inside of the ash storage box 3, below the cotton brush roller 2, is provided with a brush body 4, and the free end of the brush body 4 is in close contact with the cotton brush roller 2, connecting the brush body 4 The plate 5 has a mesh structure. A dust humidifier 6 is arranged below the connecting plate 5 and inside the ash storage box 3, and a control switch is arranged on the outside. The ash storage box 3, the connecting plate 5 and the protective cover 7 form a cavity.
[0024] The outer side of the ash storage box 3 is provided with a first buckle structure 8, and the first buckle structure 8 is connected with the seco...
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