Blackboard eraser

A technology of blackboard eraser and casing, which is applied in the field of blackboard eraser, can solve problems such as affecting health and a large amount of dust, and achieves the effect of simple structure and ingenious design
CN109747302AInactive Publication Date: 2019-05-14ι«˜ε‘ι˜³
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
ι«˜ε‘ι˜³
Publication Date
2019-05-14
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention provides a blackboard eraser, and belongs to the field of education supplies. The blackboard eraser aims at achieving environment protection. According to the adopted technical scheme, the blackboard eraser is mainly formed by combining a shell and bristles. A micro dust collector and a storage box are installed in the shell. Due to the adoption of the structure mentioned above, during use, the micro dust collector can be turned on, work is started, dust brushed down by the bristles is sucked and then stored in the storage box, and the problem that the dust flies is solved. The device is simple in structure and ingenious in design and has application and popularization prospects.
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Description

technical field

[0001] The invention belongs to the field of teaching supplies, and in particular relates to a blackboard eraser. Background technique

[0002] When using a blackboard eraser, a large amount of dust is prone to appear, which affects health. Contents of the invention

[0003] The technical problem to be solved by the present invention is to provide a blackboard eraser to achieve the purpose of environmental protection.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a blackboard eraser, which is mainly composed of a shell and bristles, and is characterized in that a miniature vacuum cleaner and a storage box are installed in the shell.

[0005] A kind of blackboard eraser provided by the present invention, by adopting the above-mentioned structure, when in use, the micro-vacuum cleaner can be opened, start working, absorb the dust under the brush brush, and then store it in the storage box...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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