CN2623470Y - Automatic blackboard eraser device - Google Patents
Automatic blackboard eraser device Download PDFInfo
- Publication number
- CN2623470Y CN2623470Y CNU032138377U CN03213837U CN2623470Y CN 2623470 Y CN2623470 Y CN 2623470Y CN U032138377 U CNU032138377 U CN U032138377U CN 03213837 U CN03213837 U CN 03213837U CN 2623470 Y CN2623470 Y CN 2623470Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- fixed
- blackboard
- support
- holding frame
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
An automatic blackboard eraser device comprises a drive mechanism, a blackboard eraser bracket, a releaser, a blackboard eraser clamping frame, a guide rail and an electrical apparatus control device, wherein the drive mechanism is fixed on the upper side face of the blackboard by a support, the blackboard eraser bracket is arranged on the guide rails of the upper and the lower of the blackboard by rollers, and connected with a fixed block which is fixed on a chain by a connecting bolt, the blackboard eraser clamping frame is arranged in the blackboard eraser bracket by an adjusting rod, a dust-proof rubber strip is fixed with the front end part of the blackboard eraser bracket, a dust case is arranged under the blackboard eraser bracket, the releaser is fixed on the blackboard eraser bracket with a spring, the clamp head of the releaser is fixed on the blackboard eraser clamping frame. The utility model has the advantages of simple structure, reduced labor intensity, reduced dust pollution, etc.
Description
Technical field
The utility model relates to a kind of teaching blackboard eraser, particularly a kind of automatic eraser device.
Background technology
In the daily teaching of school, teacher's teaching task is very heavy, though the generally use in school of teaching equipments such as projecting apparatus,, blackboard is still a kind of indispensable educational aid.Because teacher is very big with the chalk writing amount of labour, erase the board by hand and bring a lot of troubles especially, not only holding time is many, and dust also influences health, so the pollution of automatic blackboard cleaning and minimizing dust is an otherwise effective technique measure.
The utility model content
The purpose of this utility model is the technical problem that exists in the existing teaching, provides a kind of and can reduce labor intensity and the automatic blackboard eraser of dust pollution.
The utility model comprises driving mechanism, the blackboard eraser support, release, the blackboard eraser holding frame, guide rail and electric apparatus control apparatus, described driving mechanism is fixed on the upper side of blackboard by bearing support, the blackboard eraser support is arranged on the guide rail of blackboard top and bottom by roller, be connected with fixed block on being fixed on chain by connecting bolt, drive the side-to-side movement of blackboard eraser support by driving mechanism, a plurality of blackboard eraser holding frames are arranged in the blackboard eraser support by adjusting rod, dustproof rubber bar is fixed on the leading section of blackboard eraser support, the dust box is arranged on the bottom of blackboard eraser support, release is fixed on the blackboard eraser support, and be provided with spring, the release dop is fixed on the blackboard eraser holding frame, the described blackboard eraser holding frame outside is fixed with guide pad, blackboard eraser and push pedal are equipped with in its inboard, push pedal links to each other with an end of adjusting rod, adjusting rod and blackboard eraser holding frame are by being threaded, the compression spring is arranged between blackboard eraser support and the blackboard eraser holding frame, the rotation adjustable plate can promote blackboard eraser and move forward, and the size of regulating wiping pressure, described driving mechanism is by motor, drive sprocket, chain, jockey sprocket and the fixed block that is fixed on the chain are formed, and are fixed on the upper side of blackboard by bearing support.
The utlity model has simple in structurely, reduce labor intensity and reduce advantages such as dust polluting environment.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of blackboard eraser support;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is guide rail and roller structure schematic diagram;
Fig. 5 is the A-A cut-away view of Fig. 2;
Fig. 6 is the working state figure of Fig. 5;
Fig. 7 is the I place partial enlarged drawing of Fig. 5.
The specific embodiment:
As shown in the figure, in conjunction with the embodiments structure of the present invention is further described.A kind of automatic eraser device comprises: piece 5, compression spring 6, adjusting rod 7, guide pad 8, push pedal 9, blackboard eraser 10, dustproof rubber bar 11, upper roller 12, upper rail 13, lower guideway 14, bottom roller 15, fixed block 16, connecting bolt 17, lower connecting block 18, dust box 19, motor 20, drive sprocket 21, chain 22, jockey sprocket 23, bearing support 24, sprocket wheel 25 and electrical control gear are pressed in blackboard eraser holding frame 2, blackboard eraser support 3, release dop 4, release.Driving mechanism is formed by being arranged on motor 20, jockey sprocket 23, sprocket wheel 25 and the chain 22 on the bearing support 24 and being fixed on the motor shaft drive sprocket 21, and is fixed on the upper side of blackboard 1 by bearing support 24.Blackboard eraser support 3 is arranged on the guide rail 13 and 14 of blackboard side about in the of 1 by roller 12,15, blackboard eraser support 3 is connected with fixed block 16 on being fixed on chain 22 by connecting bolt 17, driving 3 side-to-side movements of blackboard eraser support by driving mechanism erases the board, 5 blackboard eraser holding frames 2 are arranged in the blackboard eraser support 3 by adjusting rod 7, dustproof rubber bar 11 is arranged in the groove of front end face of blackboard eraser support 3, dust box 18 is contained in the bottom of blackboard eraser support 3, fixedlys connected with the lower connecting block 18 that bottom roller 15 is housed by screw in its bottom.Release is fixed on the blackboard eraser support 3 by screw by piece 5, and spring is housed, release dop 4 is fixed on the blackboard eraser holding frame 2, retracts blackboard eraser holding frame 2 by adjusting rod 7, stick in the groove of blackboard eraser support 3 by release dop 4, make blackboard eraser 10 leave blackboard 1 (as shown in Figure 5).The outside of blackboard eraser holding frame 2 is fixed with guide pad 8, blackboard eraser 10 and push pedal 9 are equipped with in the inboard, one end of adjusting rod 7 has convex shoulder, and be contained in the groove of push pedal 9, adjusting rod 7 and blackboard eraser holding frame 2 are by being threaded, compression spring 6 is arranged between blackboard eraser support 3 and the blackboard eraser holding frame 2, and rotary regulating lever 7 can promote blackboard eraser 10 by push pedal 9 and move forward, and can regulate the size (as shown in Figure 6) of wiping pressure.
Claims (3)
1, a kind of automatic eraser device, it is characterized in that, comprise driving mechanism, the blackboard eraser support, release, the blackboard eraser holding frame, guide rail, described driving mechanism is fixed on the upper side of blackboard by bearing support, the blackboard eraser support is arranged on the guide rail of blackboard top and bottom by roller, and be connected with fixed block on being fixed on chain by connecting bolt, a plurality of blackboard eraser holding frames are arranged in the blackboard eraser support by adjusting rod, dustproof rubber bar is fixed on the leading section of blackboard eraser support, the dust box is arranged on the bottom of blackboard eraser support, release is fixed on the blackboard eraser support, and is provided with spring, and the release dop is fixed on the blackboard eraser holding frame.
2, automatic eraser device as claimed in claim 1, it is characterized in that the described blackboard eraser holding frame outside is fixed with guide pad, blackboard eraser and push pedal are equipped with in its inboard, push pedal links to each other with an end of adjusting rod, adjusting rod and blackboard eraser holding frame are by being threaded, and the compression spring is arranged between blackboard eraser support and the blackboard eraser holding frame.
3, automatic eraser device as claimed in claim 1 is characterized in that described driving mechanism is made up of motor, drive sprocket, chain, jockey sprocket and the fixed block that is fixed on the chain, is fixed on the upper side of blackboard by bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032138377U CN2623470Y (en) | 2003-06-27 | 2003-06-27 | Automatic blackboard eraser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032138377U CN2623470Y (en) | 2003-06-27 | 2003-06-27 | Automatic blackboard eraser device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2623470Y true CN2623470Y (en) | 2004-07-07 |
Family
ID=34242532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032138377U Expired - Fee Related CN2623470Y (en) | 2003-06-27 | 2003-06-27 | Automatic blackboard eraser device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2623470Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963172A (en) * | 2012-12-10 | 2013-03-13 | 黄霞 | Blackboard device convenient to clean |
| CN105620134A (en) * | 2016-03-21 | 2016-06-01 | 唐蔓 | Electric blackboard brush |
-
2003
- 2003-06-27 CN CNU032138377U patent/CN2623470Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963172A (en) * | 2012-12-10 | 2013-03-13 | 黄霞 | Blackboard device convenient to clean |
| CN105620134A (en) * | 2016-03-21 | 2016-06-01 | 唐蔓 | Electric blackboard brush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |