CN202156201U - Blackboard eraser - Google Patents

Blackboard eraser Download PDF

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Publication number
CN202156201U
CN202156201U CN2011202473849U CN201120247384U CN202156201U CN 202156201 U CN202156201 U CN 202156201U CN 2011202473849 U CN2011202473849 U CN 2011202473849U CN 201120247384 U CN201120247384 U CN 201120247384U CN 202156201 U CN202156201 U CN 202156201U
Authority
CN
China
Prior art keywords
blackboard eraser
water
plate body
water storage
bristle
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
CN2011202473849U
Other languages
Chinese (zh)
Inventor
李道发
Original Assignee
李道发
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 李道发 filed Critical 李道发
Priority to CN2011202473849U priority Critical patent/CN202156201U/en
Application granted granted Critical
Publication of CN202156201U publication Critical patent/CN202156201U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model belongs to the technical field of teaching aids and particularly relates to a dustproof blackboard eraser; the blackboard eraser is characterized by that a water storage box is installed at one side of a plate body; a groove on the plate body between the water storage box and bristles is provided with water-absorbent sponge; and the side of the water storage box connected with the water-absorbent sponge is provided with a plurality of water outlets. Therefore, the blackboard eraser provided by the utility model is simple in structure, dustproof, and environment-friendly to ensure good health of teachers and students.

Description

Blackboard eraser
Technical field: the utility model belongs to the teaching aid technical field, is specifically related to a kind of ability dustproof blackboard eraser.
Background technology: at present, the blackboard eraser of teaching usefulness is the felt formula mostly, structure Dan Jian, and during use, the chalk dust under wiping flies upward everywhere, and its shortcoming is, the one, cause environmental pollution, the 2nd, teachers and students healthy caused certain injury.
Summary of the invention: the purpose of the utility model provides a kind of simple in structure, has dust reduction capability, guarantees the blackboard eraser of the environmental protection that teachers and students are healthy.
The technical scheme of the utility model is: a kind of blackboard eraser; Form by plate body with the bristle of its flexible connection; It is characterized in that: be provided with water storage case in plate body one side; In the groove on the plate body between water storage case and the bristle, be provided with water-absorbing sponge, the side of the water storage case that joins with water-absorbing sponge is provided with a plurality of apopores.Wherein, described plate body and bristle flexibly connect through tenon bar and tenon mouth.
Owing to adopt technique scheme, during use, in water storage case, add an amount of water, flow in the water-absorbing sponge through apopore; Be seeped on the bristle again, can not cause the dilutional hyponatremia on the bristle, because bristle is moistening, the dust under wiping can not fly upward everywhere; Moreover bristle and plate body flexibly connect, and pulls down when needing to change to get final product, and can save material; Thereby have simple in structurely, and have dust reduction capability, guarantee the advantage of the environmental protection that teachers and students are healthy.
Description of drawings: come the technical scheme of the utility model is explained further details below in conjunction with accompanying drawing and specific embodiment.
Accompanying drawing is the structural representation of the utility model.
The specific embodiment: with reference to accompanying drawing; A kind of blackboard eraser is formed by plate body 1 with the bristle 2 of its flexible connection, is provided with water storage case 3 in plate body 1 one sides; In the groove on the plate body 1 between water storage case 3 and the bristle 2, be provided with water-absorbing sponge 4; The side of the water storage case 3 that joins with water-absorbing sponge 4 is provided with a plurality of apopores 5, and convenient for dismounting and change, described plate body 1 flexibly connects through tenon bar 6 and tenon mouth 7 with bristle 2.

Claims (2)

1. blackboard eraser; Form by plate body (1) with the bristle (2) of its flexible connection; It is characterized in that: be provided with water storage case (3) in plate body (1) one side; In the groove on the plate body (1) between water storage case (3) and the bristle (2), be provided with water-absorbing sponge (4), the side of the water storage case (3) that joins with water-absorbing sponge (4) is provided with a plurality of apopores (5).
2. by the described a kind of blackboard eraser of claim 1, it is characterized in that: described plate body (1) and bristle (2) flexibly connect through tenon bar (6) and tenon mouth (7).
CN2011202473849U 2011-07-02 2011-07-02 Blackboard eraser Expired - Fee Related CN202156201U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202473849U CN202156201U (en) 2011-07-02 2011-07-02 Blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202473849U CN202156201U (en) 2011-07-02 2011-07-02 Blackboard eraser

Publications (1)

Publication Number Publication Date
CN202156201U true CN202156201U (en) 2012-03-07

Family

ID=45763846

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202473849U Expired - Fee Related CN202156201U (en) 2011-07-02 2011-07-02 Blackboard eraser

Country Status (1)

Country Link
CN (1) CN202156201U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103317917A (en) * 2012-03-25 2013-09-25 上海华师京城高新技术开发有限公司 Multifunctional electronic blackboard eraser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103317917A (en) * 2012-03-25 2013-09-25 上海华师京城高新技术开发有限公司 Multifunctional electronic blackboard eraser

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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: 20120307

Termination date: 20120702