CN201366888Y - Automatic blackboard cleaning system - Google Patents

Automatic blackboard cleaning system Download PDF

Info

Publication number
CN201366888Y
CN201366888Y CNU2009200795249U CN200920079524U CN201366888Y CN 201366888 Y CN201366888 Y CN 201366888Y CN U2009200795249 U CNU2009200795249 U CN U2009200795249U CN 200920079524 U CN200920079524 U CN 200920079524U CN 201366888 Y CN201366888 Y CN 201366888Y
Authority
CN
China
Prior art keywords
blackboard
automatic
soft
cleaning system
cleaning
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
CNU2009200795249U
Other languages
Chinese (zh)
Inventor
杨苗
Original Assignee
杨苗
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 杨苗 filed Critical 杨苗
Priority to CNU2009200795249U priority Critical patent/CN201366888Y/en
Application granted granted Critical
Publication of CN201366888Y publication Critical patent/CN201366888Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model relates to teaching aid. The prior blackboard has no automatic cleaning function, a teacher wastes time in writing and erasing, and the use is not ideal. The utility model provides an automatic blackboard cleaning system consisting of upper and lower winding drums, an electric blackboard eraser, and a soft-covered blackboard. The automatic blackboard cleaning system is characterized in that the soft-covered blackboard which can move circularly is arranged between the upper and the lower winding drums, and the electric blackboard eraser for cleaning chalk dust is arranged on the back surface of the blackboard. When the chalk dust is required to be cleaned away, a winding drum switch is pressed down, the front blackboard cover with chalk writing is turned back, and a cleaned back blackboard is turned to the front for the teacher to write continuously. The structure is simple; the use is convenient, clean and sanitary; and the effect of saving time is good.

Description

The automatic blackboard cleaning systems
Technical field
The utility model relates to a kind of teaching aid.
Background technology
At present, known blackboard, not with the function of automated cleaning, teacher writes again, wipes again, very loses time, and is not ideal.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of automatic blackboard cleaning systems, just can reach the purpose of automatic-cleaning backboard.
The technical scheme in the invention for solving the technical problem is: by reel, driven blackboard are brushed and soft the automatic blackboard cleaning systems that blackboard is formed up and down, it is characterized in that: up and down between the reel, one soft the blackboard that can circulate and move is set, is provided with the driven blackboard brush of cleaning chalk dust at the blackboard back side.Press the movable reel switch when needing the cleaning chalk dust, will forward the back to the preceding blackboard surface of letter written with chalk and go, the back blackboard surface that has been cleaned has simultaneously forwarded the front again to be continued to write for teacher.
The beneficial effects of the utility model are: simple in structure, easy to use, sanitation and hygiene, save time effective.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model structural representation.
1. reels among the figure, a 2. soft blackboard, 3. driven blackboard brush.
The specific embodiment
Among Fig. 1, between reel (1) up and down, soft the blackboard (2) that can circulate and move is set, is provided with the driven blackboard that cleans chalk dust at the blackboard back side and brushes (3).Press the movable reel switch when needing the cleaning chalk dust, will forward the back to the preceding blackboard surface of letter written with chalk and go, the back blackboard surface that has been cleaned has simultaneously forwarded the front again to be continued to write for teacher.

Claims (1)

1, a kind of automatic blackboard cleaning systems, by reel, driven blackboard brush and soft blackboard are formed up and down, it is characterized in that: between reel (1) up and down, soft the blackboard (2) that can circulate and move is set, is provided with the driven blackboard that cleans chalk dust at the blackboard back side and brushes (3).
CNU2009200795249U 2009-03-13 2009-03-13 Automatic blackboard cleaning system Expired - Fee Related CN201366888Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200795249U CN201366888Y (en) 2009-03-13 2009-03-13 Automatic blackboard cleaning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200795249U CN201366888Y (en) 2009-03-13 2009-03-13 Automatic blackboard cleaning system

Publications (1)

Publication Number Publication Date
CN201366888Y true CN201366888Y (en) 2009-12-23

Family

ID=41485787

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2009200795249U Expired - Fee Related CN201366888Y (en) 2009-03-13 2009-03-13 Automatic blackboard cleaning system

Country Status (1)

Country Link
CN (1) CN201366888Y (en)

Similar Documents

Publication Publication Date Title
CN201592598U (en) Rotating dust-free blackboard
CN201366888Y (en) Automatic blackboard cleaning system
CN203957660U (en) A kind of automatic blackboard eraser
CN201841845U (en) Conveniently cleaned double-side blackboard eraser
CN201456815U (en) Dustproof blackboard eraser
CN204432174U (en) A kind of automatic dust removing eraser
CN202022013U (en) Multifunctional blackboard eraser
CN202319512U (en) Blackboard
CN202448612U (en) Blackboard eraser capable of adsorbing dust
CN202180676U (en) Automatic manual cleaned blackboard
CN201587247U (en) Sponge blackboard eraser
CN202288096U (en) Automatic toilet brush
CN201604433U (en) Rapid blackboard eraser
CN203172301U (en) Rolling type blackboard eraser
CN201769544U (en) Teaching blackboard
CN201792662U (en) Brush surface-replaceable sponge
CN202293885U (en) Environment-friendly blackboard
CN202337148U (en) Novel blackboard eraser
CN201849205U (en) Dual-purpose blackboard eraser
CN203580452U (en) Blackboard brush capable of collecting dust
CN202389062U (en) Convenient blackboard eraser
CN202517965U (en) Blackboard eraser capable of moving up and down
CN201881773U (en) Cleaning blackboard eraser
CN201283726Y (en) Multifunctional blackboard
CN201456806U (en) Structure for erasing blackboard

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: 20091223

Termination date: 20110313