CN201792665U - Dustproof dual-purpose blackboard eraser - Google Patents

Dustproof dual-purpose blackboard eraser Download PDF

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Publication number
CN201792665U
CN201792665U CN2010205099665U CN201020509966U CN201792665U CN 201792665 U CN201792665 U CN 201792665U CN 2010205099665 U CN2010205099665 U CN 2010205099665U CN 201020509966 U CN201020509966 U CN 201020509966U CN 201792665 U CN201792665 U CN 201792665U
Authority
CN
China
Prior art keywords
blackboard eraser
erasing
layer
dustproof
dual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205099665U
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Chinese (zh)
Inventor
朱坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2010205099665U priority Critical patent/CN201792665U/en
Application granted granted Critical
Publication of CN201792665U publication Critical patent/CN201792665U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a dustproof dual-purpose blackboard eraser which belongs to teaching aids and is mainly used for solving the problem that the chalk powder flies randomly in the process of erasing the blackboard to influence the health of teachers and students to some extent after a long time. The dustproof dual-purpose blackboard eraser comprises an erasing board of the blackboard eraser and an erasing strip. The dustproof dual-purpose blackboard eraser is characterized in that a clamping groove is arranged in the erasing board of the blackboard eraser; the erasing strip is divided into an upper layer and a lower layer; the upper layer is a sponge layer; and the lower layer is a coarse fiber texture layer. By two different erasing bodies of a coarse fiber and a sponge, the dustproof dual-purpose blackboard eraser can erase the characters on the common blackboards and whiteboards, the materials and the configuration of the erasing bodies can prevent the powder from flying in the process of erasing the blackboards, and the dustproof dual-purpose blackboard eraser has the characteristics of cleanliness, sanitation, simplicity and practicality.

Description

Dustproof Double-purpose blackboard is wiped
Technical field
The utility model relates to a kind of teaching aid, and specifically a kind of dustproof Double-purpose blackboard is wiped.
Background technology
In daily learning life, often need erase the board, sluggish in air circulation sometimes in the classroom, chalk powder can waft to such an extent that be everywhere when using common blackboard eraser to erase the board, and not only sweeps the healthy of very inconvenience but also grievous injury classmates.
The utility model content
The purpose of this utility model is to provide a kind of dustproof Double-purpose blackboard to wipe, and solves the problem that dust is arranged when erasing the board.
The technical scheme that its technical problem that solves the utility model adopts is: dustproof Double-purpose blackboard is wiped, and comprises the blackboard eraser wiping board and wipes bar, it is characterized in that, establish draw-in groove in the described blackboard eraser wiping board, described wiping bar is divided into two-layer up and down, and the upper strata is a spongy layer, and lower floor is the crude fibre tissue layer.
The utlity model has following outstanding beneficial effect: this blackboard eraser is by two-layer different wiping body, a kind of is crude fibre, another kind is a sponge, can realize wiping to font on normal blackboard and the blank, and powder flew away when the material of wiping body and structure can prevent to erase the board, have sanitation and hygiene, simple and practical characteristics.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1 blackboard eraser wiping board, 2 wipe bar, 21 spongy layers, 22 crude fibre tissue layer.
The specific embodiment
As shown in Figure 1, dustproof Double-purpose blackboard is wiped, and comprises blackboard eraser wiping board 1 and wipes bar 2, and establish draw-in groove in the described blackboard eraser wiping board 1, described wiping bar 2 is divided into two-layer up and down, and the upper strata is a spongy layer 21, and lower floor is a crude fibre tissue layer 22.
During use, during writing on needing the wiping normal blackboard, the crude fibre tissue layer 22 of wiping bar 2 is placed on orlop comes blackboard wiping, when the common blank of needs wiping, the spongy layer 21 of wiping bar 2 is placed on orlop comes the wiping blank, simple and practical, easy to clean.

Claims (1)

1. dustproof Double-purpose blackboard is wiped, and comprises the blackboard eraser wiping board and wipes bar, and it is characterized in that, establish draw-in groove in the described blackboard eraser wiping board, described wiping bar is divided into two-layer up and down, and the upper strata is a spongy layer, and lower floor is the crude fibre tissue layer.
CN2010205099665U 2010-08-30 2010-08-30 Dustproof dual-purpose blackboard eraser Expired - Fee Related CN201792665U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205099665U CN201792665U (en) 2010-08-30 2010-08-30 Dustproof dual-purpose blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205099665U CN201792665U (en) 2010-08-30 2010-08-30 Dustproof dual-purpose blackboard eraser

Publications (1)

Publication Number Publication Date
CN201792665U true CN201792665U (en) 2011-04-13

Family

ID=43847587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205099665U Expired - Fee Related CN201792665U (en) 2010-08-30 2010-08-30 Dustproof dual-purpose blackboard eraser

Country Status (1)

Country Link
CN (1) CN201792665U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104742621A (en) * 2015-03-20 2015-07-01 刘忠一 Combined blackboard eraser capable of being used in cooperation with automatic blackboard eraser cleaner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104742621A (en) * 2015-03-20 2015-07-01 刘忠一 Combined blackboard eraser capable of being used in cooperation with automatic blackboard eraser cleaner

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110413

Termination date: 20110830