The utility model relates to an electric blackboard eraser comprises an eraser body and a telescoping device, wipe the body is cuboid, set along the surface of the blackboard eraser body is provided with a vertical external wiping body cover, wiping body and wipe the body cover is fixed and the formation of voids, rub the body cover for box structure opening on one side, and a blackboard eraser the opposite side protruding from the wiping body cover opening, inside the center position, the wiping body along the extending direction of the wiping body is provided with a dust suction channel, the blackboard eraser body and the opposite surface is provided with a plurality of suction mouth, some dust mouth and suction passages, vacuum suction device is connected with the tail end of the channel, the telescopic device is arranged at the two sides of the blackboard, and rub the body cover is vertically connected and extending along the horizontal direction of the blackboard. The utility model has the advantages of time saving and labor saving, and the utility model can effectively prevent the chalk dust from flying everywhere. The chalk dust on the surface of the eraser body is cleaned and collected in a timely manner and centralized processing.
【技术实现步骤摘要】
本技术涉及一种黑板擦,特别是涉及一种电动黑板擦。
技术介绍
现在大部分教学过程中,在擦黑板时都是采用手持式的小型黑板擦,不仅费时费力,而且粉笔灰会四处飞扬,弄脏了老师和学生的衣服以及其他教学用具,还对人身健康造成不利的影响。
技术实现思路
本技术所要解决的技术问题是提供一种电动黑板擦,电动擦拭黑板粉笔字,无粉笔灰污染。本技术解决其技术问题所采用的技术方案是提供一种电动黑板擦,包括擦体和伸缩装置,所述擦体为长方体、沿黑板表面竖直设置,擦体外部安装有擦体盖,擦体与擦体盖固定连接并形成空隙,所述擦体盖为一侧开口的箱体结构,所述擦体与黑板相对的一侧凸出于擦体盖开口外,所述擦体内部中心位置、沿擦体延伸方向设有吸尘通道,所述擦体与黑板相对面开有若干吸尘口,所述若干吸尘口与吸尘通道相通,所述吸尘通道尾端与吸尘装置连接,所述伸缩装置设置于黑板两侧、与擦体盖垂直连接并沿黑板水平方向伸缩。所述伸缩装置包括推杆和电动机,推杆一端与擦体盖垂直连接、另一端受电动机驱动伸缩。所述吸尘通道为圆形通道。所述吸尘通道上端封闭、下端与吸尘装置连接。所述若干吸尘口沿擦体延伸方向均匀分布。所述若干吸尘口为圆台结构的开口槽,大开口处为擦体外侧,小开口处与吸尘通道连通。所述吸尘装置上安装有可拆卸式集尘箱。所述吸尘装置与擦体盖固定连接。有益效果本技术的擦体沿黑板竖直设置,通过伸缩装置沿黑板水平方向的来回伸缩带动擦体往返运动对黑板进行擦拭,全电动,省时省力。擦体外部设置擦体盖,擦体在擦拭黑板时本身受挤压收缩,使得擦体盖与黑板之间形成相对封闭的内部空间,有效避免了粉笔灰的四处飞扬;另外,在擦体内 ...
【技术保护点】
一种电动黑板擦,包括擦体(5)和伸缩装置,其特征在于:所述擦体(5)为长方体、沿黑板(1)表面竖直设置,擦体(5)外部安装有擦体盖(4),擦体(5)与擦体盖(4)固定连接并形成空隙,所述擦体盖(4)为一侧开口的箱体结构,所述擦体(5)与黑板(1)相对的一侧凸出于擦体盖(4)开口外,所述擦体(5)内部中心位置、沿擦体(5)延伸方向设有吸尘通道(6),所述擦体(5)与黑板(1)相对面开有若干吸尘口(7),所述若干吸尘口(7)与吸尘通道(6)相通,所述吸尘通道(6)尾端与吸尘装置(8)连接,所述伸缩装置设置于黑板(1)两侧、与擦体盖(4)垂直连接并沿黑板(1)水平方向伸缩。
【技术特征摘要】
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