Novel detachable environment-friendly board wiper

Abstract

The invention discloses a novel detachable environment-friendly board wiper which comprises a frame body. A board body is arranged in the frame body, a limiting pin is inserted between the frame bodyand the board body, and a first spring is connected on the limiting pin in a sleeving mode. A groove is formed in the outer side of the board body, and a movable shaft is arranged in the groove and passes through the frame body. A second spring is connected between the movable shaft and the groove, and wiping rags are fixedly arranged at the two ends of the board body. A supporting seat is arranged at the bottom of the frame body, and a slot is formed in the outer side of the supporting seat and is matched with the frame body. An ash collecting groove is formed in the supporting seat, and an slideway is formed in the inner wall of the ash collecting groove. A movable rod is arranged in the slideway in a penetrating mode, and a scraper is arranged on the movable rod. A side board is respectively arranged on the two sides of the supporting seat, and a connecting rod is arranged on the side board in the penetrating mode. A U-shaped rod is fixedly arranged on the inner side of each connecting rod, and a toothed rod is fixedly connected between the U-shaped rods and is fixedly connected with the movable rod. One side of the toothed rod is meshed with a gear, and the gear is fixed to thedriving shaft of a motor. The novel detachable environment-friendly board wiper is convenient to use and is green and environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of environmental protection equipment, in particular to a novel detachable environmental protection eraser. Background technique [0002] Eraser is one of the commonly used tools in teaching. Existing blackboard eraser is usually made up of housing and eraser body, and housing and eraser body are fixed, and during use, holds housing and wipes the chalk writing on blackboard by eraser body. However, most of the blackboard erasers with this structure are disposable consumables. Once the housing or the eraser body is damaged, they cannot be used again and must be discarded together, resulting in a waste of resources and not being environmentally friendly. [0003] Secondly, when the existing blackboard eraser is used, a large amount of chalk dust will be accumulated very quickly on the eraser body, and the user usually adopts the mode of beating to remove the chalk dust, but this method often causes the chalk ...

AI Technical Summary

Problems solved by technology

However, most of the blackboard erasers of this structure are disposable consumables. Once the housing or the eraser is damaged, they cannot be used again and must be discarded together, resulting in a waste of resources and not environmentally friendly.

[0003] Secondly, when the existing blackboard eraser is used, a large amount of chalk dust will be accumulated very quickly on the eraser body, and the user usually adopts the mode of beating to remove the chalk dust, but this method often causes the chalk dust to fly, which not only pollutes the environment, It will also have adverse effects on the health of users

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