CN105620134A - Electric blackboard brush - Google Patents
Electric blackboard brush Download PDFInfo
- Publication number
- CN105620134A CN105620134A CN201610163974.0A CN201610163974A CN105620134A CN 105620134 A CN105620134 A CN 105620134A CN 201610163974 A CN201610163974 A CN 201610163974A CN 105620134 A CN105620134 A CN 105620134A
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- CN
- China
- Prior art keywords
- blackboard
- eraser
- electric
- blackboard eraser
- skeleton
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an electric blackboard brush. The electric blackboard brush comprises an electric conveying device and a bar-shaped blackboard eraser, wherein the strip-shaped blackboard eraser comprises a blackboard eraser framework and an erasing bar; two tooth chain belts with opposite chain teeth are arranged on the blackboard eraser framework; a buckle lock is arranged at the top of each tooth chain belt; two corresponding tooth chain belts are arranged on the erasing bar; a plug pin is arranged at the top end of each tooth chain belt; the tooth chain belts between the erasing bar and the blackboard eraser framework are meshed to form a complete zipper, so that the erasing bar can be detachably fixed to the blackboard eraser framework; the electric conveying device comprises a variable-frequency and variable-speed motor, a driving wheel, a driven wheel and a conveying belt; the driving wheel is mounted on a rotation shaft of the variable-frequency and variable-speed motor; the driving wheel drives the driven wheel to rotate via the conveying belt; the conveying belt is arranged at the upper part of a blackboard along a length direction of the blackboard; the blackboard eraser framework is driven to move left and right by the conveying belt. The electric blackboard brush is fast in erasing speed; the lecturing efficiency of teachers is greatly improved; the fabrics of the erasing bar can be selected according to different chalk types; the fabrics of the erasing bar are conveniently washed or replaced.
Description
Technical field
Embodiments of the present invention relate to teaching apparatus field, and more specifically, embodiments of the present invention relate to a kind of electric eraser.
Background technology
Senior middle school of today, University classroom knowledge quantity get more and more, although teacher has adopted PPT courseware to reduce the part chalk amount of writing, but in order to make student concentration, allow student understand thoroughly, and teachers still need to write limit in blackboard top and say. Content owing to relating to is many, blackboard is easy to write completely, or it is big that some teacher writes font, like the central region writing on the blackboard content at blackboard, blackboard is caused to be easy to write completely, blackboard is write has expired and can not wipe in time, is a problem, in order to save time in classroom, teacher needs to have looked into rapidly blackboard writing on the blackboard again, this not only can have influence on the progress of attending class of teacher, and cause chalk dust airborne dust amount big very soon due to teacher's blackboard wiping speed, it is unfavorable for that teacher's is healthy, well selects so electric eraser is one. More existing automatic blackboard brush at present, but it is mostly block or hand-held formula, its wiping efficiency is low, even not as good as traditional hand-held formula felt brush. Chalk type conventional at present has water-soluble chalk and two kinds, common chalk, water-soluble chalk is dust-free chalk, common chalk has dirt chalk, owing to they belong to dissimilar chalk, usually the brush brush of differing materials is adopted to remove, such as water-soluble chalk can adopt wet cloth wiping, and common chalk then removes with goods brushes such as wool brushes. But current automatic blackboard brush usually only for wherein a kind of chalk type, limits teacher to the use of chalk, and existing automatic blackboard brush is due to brushhead replacement difficulty, needs just to change after long-term use, and when causing the later stage to use, wiping efficiency is low.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, it is provided that a kind of electric eraser, many to expect solving teacher classroom writing on the blackboard content, blackboard wiping efficiency is low, and then affects the problem of teaching efficiency.
For solving above-mentioned technical problem, one embodiment of the present invention by the following technical solutions:
A kind of electric eraser, comprise electronic transport unit, strip blackboard eraser, described strip blackboard eraser comprises blackboard eraser skeleton and wiper rail, described blackboard eraser skeleton arranges the relative tooth chain band of two chain teeth, its tooth chain band top is arranged buckles lock, arranging two corresponding tooth chain bands in described wiper rail, its tooth chain band top arranges latch, and the tooth chain band between wiper rail with blackboard eraser skeleton engages the complete slide fastener of formation makes wiper rail be detachably fixed on blackboard eraser skeleton; Described electronic transport unit comprises frequency control motor, motion-work wheel, follow-up pulley and travelling belt, motion-work wheel is arranged in the rotating shaft of frequency control motor, motion-work wheel drives follow-up pulley to rotate by travelling belt, travelling belt is arranged in above blackboard along blackboard length direction, described blackboard eraser skeleton is fixing on a moving belt, drives strip blackboard eraser to move left and right by transmission belt.
The present invention adopts strip blackboard eraser, can disposable erasing whole blackboard writing on the blackboard face, strip blackboard eraser comprises fixing blackboard eraser skeleton and dismountable wiper rail, therefore wiper rail can be changed at any time, such as, when using water-soluble chalk, can be cleaned by cloth and change after wiping, when using wool felt wiping tradition chalk, can life-time service, when find wool felt wiping surface unfairness and when wiping effect is deteriorated, it is possible to replacing wool felt. In addition, according to the demand of teacher, wool felt can changing wet cloth into or change wet cloth into wool felt, such teacher can choose at random the chalk type oneself thought. If having the wiper rail of other type, it is also possible to change, As time goes on, such as, when having produced the better brush fabric of performance, it is possible to old wiper rail is replaced with the wiper rail that new brush fabric is made into.
In above-mentioned electric eraser, the contact surface of described wiper rail and blackboard by wetting cloth band, wool felt or nylon fiber make. The wiper rail that electric eraser of the present invention uses can be that the existing all material that can be used in chalk wiping on the market is made, and wet cloth band, wool felt or nylon fiber just compare conventional different materials.
In above-mentioned electric eraser, the length in effective wiping district of described wiper rail is equal with the width of blackboard, and the width in effective wiping district of described wiper rail is 8��12cm. Described effective wiping district refers to that wiper rail on blackboard eraser skeleton is distributed on blackboard can to wipe the part of letter written with chalk on blackboard. Fast by the letter written with chalk wiped clean on blackboard when the wide 8��12cm of wiper rail can make strip blackboard eraser move in left and right, if width is too narrow, it is possible to owing to writing physical strength heavily causes wiping unclean.
In above-mentioned electric eraser, described travelling belt outer 12��15cm on the left of blackboard extends to outer 12��15cm, transmission bandwidth 8��12cm on the right side of blackboard. The monolateral length of travelling belt is long compared with the length of blackboard, strip blackboard eraser is made to move to outside blackboard after frequency control motor control strip blackboard eraser wiping blackboard, or part moves to outside blackboard, if needing wiping back and forth, then control strip blackboard eraser by frequency control motor and move to again outside blackboard behind blackboard writing on the blackboard region back and forth wiping one time. Teacher's writing on the blackboard can be convenient to outside blackboard eraser is moved to blackboard, and be convenient to change wiper rail.
In above-mentioned electric eraser, described blackboard eraser skeleton is the U shape frame being made up of plastic cement or stainless steel, and described tooth chain band is arranged on inside the two-arm of U shape frame. Making U shape frame with plastic cement or stainless steel, it is desired to its hardness can be satisfied the demand, in order to avoid causing framework deformation because of repeatedly friction, and no matter exposing in atmosphere or contact with water, plastic cement and the stainless steel capital are the materials that can not get rusty, it is possible to life-time service.
Above-mentioned electric eraser also comprises a wireless frequency conversion telepilot. Wireless frequency conversion telepilot is the convenient formula switch that teacher is used for starting electric eraser, teacher is after writing on the blackboard, degrade through after a while, when needing blackboard wiping, only needing remote-controlled electric blackboard brush brush except font, no matter teacher stands in which position in classroom, as long as there being telepilot in hand, all can start electric eraser immediately, and without the need to go to specially a fixing switch place start after etc. to be brushed except clean.
In above-mentioned electric eraser, the power switch of described frequency control motor is arranged on metope. During powered-down, the wiper rail of electric eraser is changed or the electronic transport unit of blackboard brush is overhauled safer.
In above-mentioned electric eraser, described blackboard eraser skeleton periphery arranges baffle plate, and baffle plate and blackboard are at a distance of 0.5cm. The dust that baffle plate can block major part is set.
In above-mentioned electric eraser, described travelling belt is arranged in travelling belt shell, travelling belt, motion-work wheel and follow-up pulley is protected.
Compared with prior art, one of useful effect of the present invention is: first the electric eraser of the present invention can greatly improve the teaching efficiency of teacher, classroom can not be learnt time waste on sassafras blackboard, secondly its length and width can make different size because of blackboard model, frequency control motor can regulate wiping speed to adapt to different chalks and writing on the blackboard dynamics, the general wiping time is also shorter, very quick, convenient, totally, simultaneously, this electric eraser also can select wiper rail fabric according to the different chalk type used, if wiper rail fabric is made dirty or shabby slide fastener of can also leaving behind is cleaned or changes.
Accompanying drawing explanation
Fig. 1 is the front schematic view of electric eraser of the present invention.
Fig. 2 is the blackboard eraser skeleton structure schematic diagram of electric eraser of the present invention.
Fig. 3 is the wiper rail structural representation of electric eraser of the present invention.
Fig. 4 is the electronic transport unit structural representation of electric eraser of the present invention.
Fig. 5 is the travelling belt containment structure schematic diagram of electric eraser of the present invention.
Fig. 6 is the travelling belt shell of electric eraser of the present invention and the sectional view of travelling belt.
Embodiment
In order to make the object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated. It is to be understood that specific embodiment described herein is only in order to explain the present invention, it is not intended to limit the present invention.
As shown in figures 1-4, electric eraser of the present invention, comprising electronic transport unit 102, strip blackboard eraser 101, described strip blackboard eraser comprises blackboard eraser skeleton 201 and wiper rail 301, the contact surface of described wiper rail and blackboard by wetting cloth band, wool felt or nylon fiber make. The length in effective wiping district of described wiper rail is equal with the width of blackboard, and the width in effective wiping district of described wiper rail is 10cm. Described blackboard eraser skeleton arranges the relative tooth chain band 202 of two chain teeth, and its tooth chain band top is arranged buckles lock 203, and described blackboard eraser skeleton is the U shape frame being made up of plastic cement or stainless steel, and described tooth chain band is arranged on inside the two-arm of U shape frame. Arranging two corresponding tooth chain bands 302 in described wiper rail, its tooth chain band top arranges latch 303, and the tooth chain band between wiper rail 301 with blackboard eraser skeleton 201 engages the complete slide fastener of formation makes wiper rail 301 be detachably fixed on blackboard eraser skeleton 201; Described electronic transport unit 102 comprises frequency control motor, motion-work wheel 401, follow-up pulley 402 and travelling belt 403, the power switch 104 of described frequency control motor is arranged on metope, motion-work wheel is arranged in the rotating shaft of frequency control motor, motion-work wheel drives follow-up pulley to rotate by travelling belt, travelling belt is arranged in above blackboard along blackboard 103 length direction, described blackboard eraser skeleton 201 is fixed on travelling belt 403, drives strip blackboard eraser to move left and right by transmission belt. Described travelling belt outer 12cm on the left of blackboard extends to outer 12cm, transmission bandwidth 8cm on the right side of blackboard. Automatically brush except letter written with chalk for the ease of remote-controlled electric blackboard brush, also for electric eraser is provided with a wireless frequency conversion telepilot (not shown). In order to protect electronic transport unit 102, as shown in Figure 5, travelling belt is also arranged in travelling belt shell 501 by the present invention, and the sectional view that travelling belt 403 is arranged in transmission belt shell 501 is as shown in Figure 6. In order to stop portions chalk dust flies upward, the present invention also arranges baffle plate at blackboard eraser skeleton periphery, and baffle plate and blackboard are at a distance of 0.5cm.
According to an alternative embodiment of the invention, the width in effective wiping district of described wiper rail is 12cm. Described travelling belt outer 15cm on the left of blackboard extends to outer 15cm, transmission bandwidth 12cm on the right side of blackboard.
Although invention has been described for the explanatory embodiment of reference the present invention here, but, it is to be understood that those skilled in the art can design a lot of other amendment and enforcement mode, these amendments and enforcement mode will drop within spirit disclosed in the present application and spirit. More specifically, in scope disclosed in the present application, it is possible to composition parts and/or layout to subject combination layout carry out multiple modification and improvement. Except modification composition parts and/or layout carried out will be with, except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (9)
1. an electric eraser, it is characterized in that comprising electronic transport unit (102), strip blackboard eraser (101), described strip blackboard eraser comprises blackboard eraser skeleton (201) and wiper rail (301), described blackboard eraser skeleton arranges relative tooth chain band (202) of two chain teeth, its tooth chain band top is arranged buckles lock (203), described wiper rail arranges two corresponding teeth chain band (302), its tooth chain band top arranges latch (303), tooth chain band between wiper rail (301) with blackboard eraser skeleton (201) engages the complete slide fastener of formation makes wiper rail (301) be detachably fixed on blackboard eraser skeleton (201), described electronic transport unit (102) comprises frequency control motor, motion-work wheel (401), follow-up pulley (402) and travelling belt (403), motion-work wheel is arranged in the rotating shaft of frequency control motor, motion-work wheel drives follow-up pulley to rotate by travelling belt, travelling belt is arranged in above blackboard along blackboard (103) length direction, described blackboard eraser skeleton (201) is fixed on travelling belt (403), drives strip blackboard eraser to move left and right by transmission belt.
2. electric eraser according to claim 1, it is characterised in that the contact surface of described wiper rail and blackboard by wetting cloth band, wool felt or nylon fiber make.
3. electric eraser according to claim 1, it is characterised in that the length in effective wiping district of described wiper rail is equal with the width of blackboard, the width in effective wiping district of described wiper rail is 8��12cm.
4. electric eraser according to claim 1, it is characterised in that described travelling belt outer 12��15cm on the left of blackboard extends to outer 12��15cm, transmission bandwidth 8��12cm on the right side of blackboard.
5. electric eraser according to claim 1, it is characterised in that described blackboard eraser skeleton is the U shape frame being made up of plastic cement or stainless steel, and described tooth chain band is arranged on inside the two-arm of U shape frame.
6. electric eraser according to claim 1, it is characterised in that also comprise a wireless frequency conversion telepilot.
7. electric eraser according to claim 1, it is characterised in that the power switch (104) of described frequency control motor is arranged on metope.
8. electric eraser according to claim 1, it is characterised in that described blackboard eraser skeleton periphery arranges baffle plate, baffle plate and blackboard are at a distance of 0.5cm.
9. electric eraser according to claim 1, it is characterised in that described travelling belt is arranged in travelling belt shell (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163974.0A CN105620134A (en) | 2016-03-21 | 2016-03-21 | Electric blackboard brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163974.0A CN105620134A (en) | 2016-03-21 | 2016-03-21 | Electric blackboard brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105620134A true CN105620134A (en) | 2016-06-01 |
Family
ID=56035636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610163974.0A Pending CN105620134A (en) | 2016-03-21 | 2016-03-21 | Electric blackboard brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105620134A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364228A (en) * | 2016-08-25 | 2017-02-01 | 东南大学 | Blackboard with large area capable of being wiped fast |
| CN109243333A (en) * | 2018-11-21 | 2019-01-18 | 四川天降文化传播有限公司 | A kind of corporate advertising production plate easy to use |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623470Y (en) * | 2003-06-27 | 2004-07-07 | 沈阳工业学院 | Automatic blackboard eraser device |
| CN201257845Y (en) * | 2008-09-01 | 2009-06-17 | 大连交通大学 | Intelligent environment-friendly type full-automatic scrubbing type blackboard |
| US20110162163A1 (en) * | 2010-01-07 | 2011-07-07 | National Central University | Apparatus Erasing Blackboard through Areas |
| CN202319603U (en) * | 2011-11-18 | 2012-07-11 | 刘文涛 | Magnetic environmentally-friendly board eraser |
| CN203460590U (en) * | 2013-07-26 | 2014-03-05 | 王国瑜 | Blackboard eraser |
| US20140255902A1 (en) * | 2013-03-07 | 2014-09-11 | ACCO Brands Corporation | Display board assembly |
| CN204367716U (en) * | 2014-12-16 | 2015-06-03 | 马丽敏 | A kind of blackboard with self-regulation blackboard eraser |
-
2016
- 2016-03-21 CN CN201610163974.0A patent/CN105620134A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623470Y (en) * | 2003-06-27 | 2004-07-07 | 沈阳工业学院 | Automatic blackboard eraser device |
| CN201257845Y (en) * | 2008-09-01 | 2009-06-17 | 大连交通大学 | Intelligent environment-friendly type full-automatic scrubbing type blackboard |
| US20110162163A1 (en) * | 2010-01-07 | 2011-07-07 | National Central University | Apparatus Erasing Blackboard through Areas |
| CN202319603U (en) * | 2011-11-18 | 2012-07-11 | 刘文涛 | Magnetic environmentally-friendly board eraser |
| US20140255902A1 (en) * | 2013-03-07 | 2014-09-11 | ACCO Brands Corporation | Display board assembly |
| CN203460590U (en) * | 2013-07-26 | 2014-03-05 | 王国瑜 | Blackboard eraser |
| CN204367716U (en) * | 2014-12-16 | 2015-06-03 | 马丽敏 | A kind of blackboard with self-regulation blackboard eraser |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364228A (en) * | 2016-08-25 | 2017-02-01 | 东南大学 | Blackboard with large area capable of being wiped fast |
| CN109243333A (en) * | 2018-11-21 | 2019-01-18 | 四川天降文化传播有限公司 | A kind of corporate advertising production plate easy to use |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |
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| RJ01 | Rejection of invention patent application after publication |