Dust removing blackboard eraser

A blackboard eraser and substrate technology, which is applied to blackboard or slate cleaning devices, printing, office supplies, etc., can solve the problems of users' health hazards, floating in the air, etc., to prevent falling off, prevent falling and shaking, and protect health effects

Inactive Publication Date: 2017-07-04
何盼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a dust-removing blackboard eraser, which has the advantages of not generating chalk debris floating in the air during the process of wiping the blackboard with the blackboard eraser, and protecting the health of the user, and solves the problem of cleaning the blackboard with the blackboard eraser. There will be chalk chips floating in the air, which will cause great harm to the health of users.

Method used

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Examples

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] see Figure 1-3 , a dust removal blackboard eraser, comprising a brush 1, the top of the brush 1 is movably connected to a base plate 2, the bottom of the base plate 2 is provided with a clamping groove 19 on the left side of the installation box 3, and the right side of the top of the brush 1 is fixed The protrusion 26 used in conjunction with the clamping groove 19 is connected, the left side of the base plate 2 and the bottom of the air outlet 11 is ...

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Abstract

The invention discloses a dust removing blackboard eraser. The dust removing blackboard eraser comprises a brush; the top of the brush is movably connected with a substrate; a mounting box is inserted in the bottom of the substrate and positioned on the right side of the brush; the bottom of an inner cavity of the mounting box is fixedly connected with a mounting plate; an intake hole is formed in the surface of the mounting plate; the top of the mounting plate is fixedly connected with an exhaust fan; a wind blower is arranged on the right side of an inner cavity of the substrate; and a placing tank is formed in the top of the inner cavity of the substrate. The dust removing blackboard eraser is provided with the exhaust fan for achieving suction of chalk chips in air to solve the problem of floating of the chalk chips generated in the wiping process in the air, and is provided with a dust removing ring and a dust bonding roller for achieving filtration of the air with the chalk chips to prevent existence of the chalk chips in the air so as to solve the problem of great harm to the body health of users by floating of the chalk chips in the air in the blackboard wiping process by the blackboard eraser.

Description

technical field [0001] The invention relates to the technical field of dust removal, in particular to a dust removal blackboard eraser. Background technique [0002] At present, in the field of teaching, people still use the form of chalk writing on the blackboard to teach. The form of writing on the blackboard can facilitate the learners to fully understand and master the knowledge taught by following the trainer's thinking. The form of writing on the blackboard is adopted, so Will use blackboard eraser to wipe blackboard, but, the blackboard eraser on the market at present can produce chalk chip to float in the air in the process of wiping blackboard, has caused huge harm to the health of user. Contents of the invention [0003] The object of the present invention is to provide a dust-removing blackboard eraser, which has the advantages of not generating chalk debris floating in the air during the process of wiping the blackboard with the blackboard eraser, and protectin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L21/02
CPCB43L21/02
Inventor 何盼
Owner 何盼
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