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Eraser with hand cleaning function

A blackboard eraser and hand-cleaning technology, which is applied in the field of teaching equipment, can solve problems that affect the cleanliness and tidiness of books, easily stain books, and affect the cleanliness of teachers' hands.

Inactive Publication Date: 2015-02-25
马雨田
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In school, when the teacher wipes the blackboard with his hands, his hands are often covered with chalk dust, which affects the cleanliness of the teacher's hands.
At the same time, when the teacher flips through the books with hands covered with chalk dust, it is easy to stain the books, affecting the cleanliness and tidiness of the books.

Method used

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  • Eraser with hand cleaning function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1, with reference to figure 1 , a blackboard eraser for cleaning hands, comprising a blackboard eraser body, the blackboard eraser body is provided with a wiper 2, a bristle 1 is provided below the wiper 2, and a hand cleaning device is provided on the top of the wiper 2, and the hand cleaning device includes a wiper 1 fixed The connected sponge cylinder 3 has a hand cleaning component 4 installed in the sponge cylinder body 3 .

Embodiment 2

[0012] Embodiment 2, in the hand-cleaning blackboard eraser described in embodiment 1: the hand-cleaning component 4 is a sponge or cotton cloth. Absorb some water on a sponge or cotton cloth, so that the teacher's hands can be cleaned up when they get dirty with chalk dust. Simultaneously, the hand cleaning part 4 is integrally arranged with the sponge cylinder 3, like this, prevents the hand cleaning part from falling out when wiping the blackboard. When it needs to be replaced, the hand cleaning device can be directly removed and replaced with another one, so that disassembly is also very convenient.

Embodiment 3

[0013] Embodiment 3, in the hand-cleaning blackboard eraser described in Embodiment 1 or 2: the sponge cylinder 3 is fixed on the front end of the wiper board 2 . Because the chalk dust that wipes off is downward or falls to both sides, so sponge cylinder 3 is fixed on the front end portion of wiping board 2 and just can not be made dirty by the chalk dust that wipes off, guarantees that the teacher is clean before wiping hands.

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PUM

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Abstract

The invention discloses an eraser with a hand cleaning function. The eraser comprises an eraser body provided with an erasing plate, bristles are arranged under the erasing plate, a hand cleaning unit is arranged on the upper portion of the erasing plate and comprises a sponge cylinder fixedly connected with the erasing plate, and a hand cleaning component is mounted inside the sponge cylinder. By the aid of the sponge cylinder fixed at the upper front end of the erasing plate, the situation that sponge or cotton cloth is spoiled by falling chalk dust is avoided; by the aid of the sponge or cotton cloth mounted in the sponge cylinder, the contaminated hands of a teacher cleaning a blackboard can be cleaned after touching water, and the hands of the teacher can be guaranteed to be clean and tidy during teaching.

Description

technical field [0001] The invention relates to a teaching tool, in particular to a hand-cleaning blackboard eraser. Background technique [0002] During school class, when the teacher wipes the blackboard with his hands, his hands are often covered with chalk dust, which affects the cleanliness of the teacher's hands. At the same time, when the teacher turns over the book with his hands covered with chalk dust, it is also easy to make the book dirty, affecting the cleanliness and tidiness of the book. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose a hand-cleaning blackboard eraser for keeping hands clean and clean for the deficiencies of the prior art. [0004] The technical problem to be solved by the present invention is achieved through the following technical solutions. The present invention is a blackboard eraser for cleaning hands, which is characterized in that it comprises a blackboard eraser body, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L21/00
CPCB43L21/00
Inventor 马雨田
Owner 马雨田