CN202463314U - Environment-friendly blackboard with overall chalk writing erasure - Google Patents

Environment-friendly blackboard with overall chalk writing erasure Download PDF

Info

Publication number
CN202463314U
CN202463314U CN2012201023435U CN201220102343U CN202463314U CN 202463314 U CN202463314 U CN 202463314U CN 2012201023435 U CN2012201023435 U CN 2012201023435U CN 201220102343 U CN201220102343 U CN 201220102343U CN 202463314 U CN202463314 U CN 202463314U
Authority
CN
China
Prior art keywords
blackboard
environment
fixed
overall
chalk
Prior art date
Application number
CN2012201023435U
Other languages
Chinese (zh)
Inventor
张延美
郝亚萍
Original Assignee
张延美
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 张延美 filed Critical 张延美
Priority to CN2012201023435U priority Critical patent/CN202463314U/en
Application granted granted Critical
Publication of CN202463314U publication Critical patent/CN202463314U/en

Links

Abstract

The utility model discloses an environment-friendly blackboard with overall chalk writing erasure. The environment-friendly blackboard comprises a blackboard and a powder receiving groove, wherein the powder receiving groove is arranged at the lower edge of the blackboard. The environment-friendly blackboard is characterized in that guide rails are fixedly arranged on an upper frame and a lower frame of the blackboard respectively, two slide blocks are arranged in the guide rails, a slide plate is fixedly arranged between the two slide blocks, an erasing body is fixedly arranged on the internal sidewall of the slide plate, two rubber strips are fixedly arranged at the two side edges of the erasing body, and a hair felt is fixedly arranged on the erasing body between the two rubber strips. Compared with the existing blackboard, the environment-friendly blackboard with overall chalk writing erasure has the advantages that the writing clean-up area of one-time action is dozens of times that of the ordinary blackboard eraser, the efficiency is increased, the health hazard to human bodies caused by dust is reduced, the operation is timesaving and laborsaving, not only is the pollution to an environment caused by the dust reduced, but also the labor intensity is reduced.

Description

The environment friendly blackboard of letter written with chalk bulk erase

Technical field

The utility model relates to a kind of improvement of blackboard, specifically a kind of environment friendly blackboard of letter written with chalk bulk erase.

Background technology

School's major part is also being used traditional blackboard at present; Chalk still is teacher's main writing implement of imparting knowledge to students, and wipes the letter written with chalk of writing on the blackboard and need wipe with blackboard eraser is piecemeal, and its weak point is: when erasing the board; The dust of chalk flies upward everywhere; Health hazard to teacher, student is very serious, wipes to get up to waste time and energy simultaneously, has reduced the efficient that erases the board.

Summary of the invention

The purpose of the utility model is simple in structure, easy to use, can remove the letter written with chalk on the blackboard fast, and is time saving and energy saving, prevents the environment friendly blackboard of the letter written with chalk bulk erase of dust from flying.

In order to reach above purpose; The technical scheme that the utility model adopted is: the environment friendly blackboard of this letter written with chalk bulk erase, and comprise blackboard and connect the powder groove, meet the lower edges place that the powder groove is located at blackboard; It is characterized in that: be fixed with guide rail respectively on the upper and lower frame of blackboard; In guide rail, be provided with slide block, between two slide blocks, be fixed with slide plate, on the madial wall of slide plate, be fixed with rub body; Be fixed with rubber strip on the dual-side edge of rub body, on the rub body between two rubber strips, be fixed with felt.

The beneficial effect of the utility model is: compare with present blackboard, the cleaning writing area that once moves is tens times of common blackboard eraser, has improved efficient; Reduced the health hazard of dust to human body; Time saving and energy saving, not only reduced the pollution of dust, and reduced labour intensity environment.

Description of drawings

Fig. 1 is the structure front-view schematic diagram of the utility model;

Fig. 2 is the structure enlarged diagram of the rub body of the utility model;

Among the figure: 1, blackboard; 2, guide rail; 3, slide block; 4, slide plate; 5, rub body; 6, connect the powder groove; 7, felt; 8, rubber strip.

The specific embodiment

Make the utility model with reference to accompanying drawing 1, Fig. 2.The environment friendly blackboard of this letter written with chalk bulk erase comprises blackboard 1 and connects powder groove 6, meets the lower edges place that powder groove 6 is located at blackboard 1; It is characterized in that: be fixed with guide rail 2 respectively on the upper and lower frame of blackboard 1, in guide rail 2, be provided with slide block 3, slide block 3 can slide in guide rail 2; Between two slide blocks 3, be fixed with slide plate 4, slide plate 4 can move along the left and right directions of blackboard 1 like this, on the madial wall of slide plate 4, is fixed with rub body 5; Be fixed with rubber strip 8 on the dual-side edge of rub body 5, on the rub body between two rubber strips 85, be fixed with felt 7, can wipe letter written with chalk through felt 7 like this; The powder that forms is blocked between two rubber strips 8 by the rubber strip 8 of both sides, falls downwards along rubber strip 8 then, connects in the powder groove 6 up to falling into; Prevent that the chalk powder from flying upward everywhere, environment friendly and pollution-free, during use; Only need pin slide plate 4 and from left to right one push away and get final product, time saving and energy saving.

Claims (1)

1. the environment friendly blackboard of letter written with chalk bulk erase; Comprise blackboard (1) and connect powder groove (6); Meet the lower edges place that powder groove (6) is located at blackboard (1), it is characterized in that: be fixed with guide rail (2) on the upper and lower frame of blackboard (1) respectively, in guide rail (2), be provided with slide block (3); Between two slide blocks (3), be fixed with slide plate (4); On the madial wall of slide plate (4), be fixed with rub body (5), be fixed with rubber strip (8) on the dual-side edge of rub body (5), on the rub body (5) between two rubber strips (8), be fixed with felt (7).
CN2012201023435U 2012-03-19 2012-03-19 Environment-friendly blackboard with overall chalk writing erasure CN202463314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201023435U CN202463314U (en) 2012-03-19 2012-03-19 Environment-friendly blackboard with overall chalk writing erasure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201023435U CN202463314U (en) 2012-03-19 2012-03-19 Environment-friendly blackboard with overall chalk writing erasure

Publications (1)

Publication Number Publication Date
CN202463314U true CN202463314U (en) 2012-10-03

Family

ID=46911502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201023435U CN202463314U (en) 2012-03-19 2012-03-19 Environment-friendly blackboard with overall chalk writing erasure

Country Status (1)

Country Link
CN (1) CN202463314U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102963172A (en) * 2012-12-10 2013-03-13 黄霞 Blackboard device convenient to clean
CN105216495A (en) * 2015-10-19 2016-01-06 石家庄科达文教用品有限公司 Manual monoblock type dry erasing writing board
CN106696543A (en) * 2017-03-07 2017-05-24 刘乐凝 English teaching tool
CN109228741A (en) * 2018-08-06 2019-01-18 江苏理工学院 A kind of teaching push-and-pull blackboard
CN109501497A (en) * 2018-12-07 2019-03-22 陈孝钰 Blackboard automatic cleaning apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102963172A (en) * 2012-12-10 2013-03-13 黄霞 Blackboard device convenient to clean
CN105216495A (en) * 2015-10-19 2016-01-06 石家庄科达文教用品有限公司 Manual monoblock type dry erasing writing board
CN105216495B (en) * 2015-10-19 2017-01-25 石家庄科达文教用品有限公司 Manual integral dry wiping writing board
CN106696543A (en) * 2017-03-07 2017-05-24 刘乐凝 English teaching tool
CN109228741A (en) * 2018-08-06 2019-01-18 江苏理工学院 A kind of teaching push-and-pull blackboard
CN109501497A (en) * 2018-12-07 2019-03-22 陈孝钰 Blackboard automatic cleaning apparatus

Similar Documents

Publication Publication Date Title
CN204605328U (en) A kind of blackboard with blackboard eraser
CN202319517U (en) Water erasing blackboard
CN201849154U (en) Folding multifunctional blackboard
CN202608370U (en) Teaching blackboard for arts
CN202608376U (en) Dust-collecting chalk eraser for English teaching
CN203995292U (en) A kind of asymmetric double-deck circulation blackboard
CN204586267U (en) A kind of electric dust-absorbing blackboard eraser device
CN204451752U (en) A kind of blackboard eraser
CN206589513U (en) A kind of English teaching servicing unit
CN203888458U (en) Double-layer slideable teaching blackboard
CN206501619U (en) Band erasing blackboard
CN203888487U (en) Blackboard cleaning device
CN204915009U (en) Multi -functional removal blackboard
CN203623245U (en) Automatic dust removing blackboard
CN203210961U (en) Multifunctional blackboard eraser
CN203254826U (en) Blackboard with eraser
CN205311182U (en) Take blackboard subassembly of self -cleaning function
CN203078121U (en) Blackboard cleaning device
CN202685701U (en) Easily erased energy-saving blackboard
CN205058968U (en) Novel multi -functional blackboard
CN204210212U (en) A kind of blackboard automatic flushing device
CN204196519U (en) A kind of portable and collapsible blackboard
CN203957630U (en) A kind of blackboard
CN204383019U (en) A kind of multifunctional blackboard eraser
CN201808341U (en) Movable blackboard capable of automatically wiping

Legal Events

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

Granted publication date: 20121003

Termination date: 20130319

C17 Cessation of patent right