CN200957724Y - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN200957724Y CN200957724Y CN 200620066643 CN200620066643U CN200957724Y CN 200957724 Y CN200957724 Y CN 200957724Y CN 200620066643 CN200620066643 CN 200620066643 CN 200620066643 U CN200620066643 U CN 200620066643U CN 200957724 Y CN200957724 Y CN 200957724Y
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- Prior art keywords
- motor
- fork
- blackboard
- housing
- rotating shaft
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- Expired - Fee Related
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Abstract
The utility model relates to a blackboard wiper comprising a wiper body and a shell body; wherein, the wiper is arranged on the shell. The utility model is characterized in that the blackboard wiper also comprises a base and a swing link; wherein, one end of the swing link is rototablely connected with the base and the other end is fixedly connected with the shell; and the base is internally provided with a swing driving mechanism which is connected with the swing link. The utility model adopts the swing driving mechanism and the shell for swing and makes the wiper body stick firmly on the surface of a blackboard for moving to realize an automatic wiping towards the surface of the blackboard, and, in such case, customers merely need to control a power switch in the wiping, thereby saving both time and labor. Meanwhile, customers are unnecessary to get close to the blackboard in the wiping, thereby alleviating the harmful influences of dust to customers.
Description
Technical field
The utility model relates to the cleaning device of blackboard, specifically, relates to a kind of blackboard eraser.
Background technology
Traditional blackboard eraser comprises and wipes housing and wipe body body and be embedded on the housing, wipes body and is made by flannelette or sponge block usually, grips blackboard eraser with hand, makes to wipe body and be close to blackboard surface and move, and can wipe blackboard surface.But manually erase the board with this blackboard eraser, spended time is long, and relatively requires great effort; Produce the dust fly upward when erasing the board, and the people who erases the board must be near blackboard, suck dust inevitably and influence healthyly, also can be infected with dust on its hair and the clothes, be difficult for wash clean.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of blackboard eraser, and is time saving and energy saving when the operator is erased the board, and alleviates the influence of dust to the operator.The technical scheme that adopts is as follows:
A kind of blackboard eraser, comprise and wipe body and housing thereof, wiping body is installed on the housing, it is characterized in that: described blackboard eraser also comprises pedestal and fork, one end of fork is rotatably connected with pedestal, the other end is fixedlyed connected with housing, be provided with wobble drive mechanism in the pedestal, wobble drive mechanism is connected with fork.
In a preferred embodiment, above-mentioned wobble drive mechanism comprises two motor and two ropes, and two motor are in the both sides of fork rotating shaft respectively, are equipped with reel on the motor rotary shaft; Article two, rope is respectively on two reels, and each has an end and be connected with fork or housing.The other end of rope is connected with reel usually.When one of them motor operation, the corresponding rope of reeling of the reel in its rotating shaft, the rope between reel and the fork (or housing) is shortened because of reeling; Reel on another motor rotary shaft discharges another rope, makes the rope elongation between reel and the fork (or housing), thereby makes the swing of fork and housing, wipes body and is close to blackboard surface and moves, and blackboard surface is wiped.In order to make the swing of motor drives fork and housing the time have the bigger arm of force, can the appropriate location on pedestal be installed by one or more pulleys, the rope stage casing cooperates with pulley, can adjust the traffic direction of rope by pulley.Usually each motor is controlled by a switch, motor and switch, power supply are connected into the loop, specifically can be, one end of power supply connects an end of switch by lead, the other end of switch connects motor by lead, motor is by the other end of another wire connecting power, and this is the known technology of technical staff, and is not for a more detailed description at this.For ease of control, all switches can be installed concentratedly on the pedestal or on the dais.
In another preferred embodiment, above-mentioned wobble drive mechanism comprises a dc motor, and a belt pulley is installed in the rotating shaft of dc motor, and a belt pulley also is installed in the fork rotating shaft, between two belt pulleys belt is installed.When dc motor turns round, belt pulley, the belt of dc motor rotating shaft by being mounted thereon, be installed on the belt pulley in the fork rotating shaft, drive fork and housing and rotate with respect to pedestal, wipe body and be close to blackboard surface and move, blackboard surface is wiped; Switch the sense of current of dc motor, can make the dc motor counter-rotating, thereby make fork and housing backswing.Dc motor is connected by on-off circuit with dc source, and on-off circuit can be controlled the break-make and the direction of DC electric motor stream, and this is the known technology of technical staff, and is not for a more detailed description at this.For ease of control, can be installed in switch on the pedestal or on the dais.
In another preferred embodiment, above-mentioned wobble drive mechanism comprises a dc motor, and a gear is installed in the rotating shaft of dc motor, and a gear also is installed in the fork rotating shaft, above-mentioned two gears engaged or be in transmission connection by gear train.When dc motor turned round, gear in the gear driven fork rotating shaft in the dc motor rotating shaft rotated, thereby fork and housing are rotated with respect to pedestal, wiped body and was close to blackboard surface and moves, and blackboard surface is wiped; Switch the sense of current of dc motor, can make the dc motor counter-rotating, thereby make fork and housing backswing.Dc motor is connected by on-off circuit with dc source, and on-off circuit can be controlled the break-make and the direction of DC electric motor stream, and this is the known technology of technical staff, and is not for a more detailed description at this.For ease of control, can be installed in switch on the pedestal or on the dais.
Be close to blackboard surface when body moves in order to ensure wiping, above-mentioned fork is whole or have one section to be made by elastomeric material.Be that fork is selected suitable position and setting angle during installation, can either make to wipe body and compress, can not make the frictional force that wipes between body and the blackboard surface excessive and influence wipes work again to blackboard surface.
Preferably wipe and adopt easy-to-dismount structure between body and the housing, wipe body so that change.
The utility model adopts wobble drive mechanism to make fork and housing swing, make and wipe body and be close to blackboard surface and move, automatically blackboard surface is wiped, when erasing the board, the operator needs only the control power switch, time saving and energy saving, simultaneously since when erasing the board the operator needn't therefore alleviate the harmful effect of dust near blackboard to the operator.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment 1;
Fig. 2 is the circuit theory diagrams of the utility model preferred embodiment 1;
Fig. 3 is the circuit theory diagrams of the utility model preferred embodiment 2.
The specific embodiment
As shown in Figure 1, this blackboard eraser comprises and wipes body 2, housing 1, pedestal 3 and fork 4, wipes body 2 and is installed on the housing 1, wipes and adopts easy-to-dismount structure between body 2 and the housing 1; One end of fork 4 is rotatably connected with pedestal 3, the other end is fixedlyed connected with housing 1, and fork 4 has one section to be made by elastomeric material, promptly is provided with elastomeric material section 41; Be provided with wobble drive mechanism in the pedestal 3, wobble drive mechanism is connected with fork 4.
Wobble drive mechanism comprises two motor 5-1,5-2 (or 5-3,5-4) and two rope 6-1,6-2 (or 6-3,6-4), two motor 5-1,5-2 (or 5-3,5-4) are in the both sides of fork rotating shaft 42 respectively, are respectively equipped with reel 7-1,7-2 (or 7-3,7-4) in the rotating shaft of motor 5-1,5-2 (or 5-3,5-4); Article two, rope 6-1,6-2 (or 6-3,6-4) are respectively on reel 7-1,7-2 (or 7-3,7-4), wherein rope 6-1 (or 6-3) has that an end is connected with fork 4, the other end is connected with reel 7-1 (or 7-3), and rope 6-2 (or 6-4) has that an end is connected with housing 2, the other end is connected with reel 7-2 (or 7-4).A pulley 8-1 (or 8-2) is installed in appropriate location on pedestal 3, and rope 6-2 (or 6-4) stage casing cooperates with pulley 8-1 (or 8-2), adjusts the traffic direction of rope 6-2 (or 6-4) by pulley 8-1 (or 8-2).
In the present embodiment, two blackboard erasers of blackboard 9 assemblings have four motor 5-1,5-2,5-3,5-4.
As shown in Figure 2, each motor is controlled (motor 5-1,5-2,5-3,5-4 are respectively to inductive switch 10-1,10-2,10-3,10-4) by a switch, motor and switch, power supply are connected into the loop, specifically can be, one end of power supply connects the end of switch 10-1 (or 10-2,10-3,10-4) by lead, the other end of switch 10-1 (or 10-2,10-3,10-4) connects motor 5-1 (or 5-2,5-3,5-4) by lead, and motor 5-1 (or 5-2,5-3,5-4) is by the other end of another wire connecting power.Switch 10-1,10-2,10-3,10-4 install concentratedly on dais 11.
Be that fork 4 is selected suitable position and setting angles during installation, can either make to wipe body 2 and compress, can not make the frictional force that wipes between body 2 and the blackboard surface excessive and influence wipes work again to blackboard surface.
With a blackboard eraser is example, connect power supply and make motor 5-1 running, and the corresponding rope 6-1 that reels of the reel 7-1 in its rotating shaft, the rope 6-1 between reel 7-1 and the fork 4 is shortened because of reeling; Reel 7-2 in the motor 5-2 rotating shaft discharges rope 6-2, makes the rope 6-2 elongation between reel 7-2 and the housing 1, thereby fork 4 and housing 1 are swung, and wipes body 2 and is close to blackboard surface and moves, and blackboard surface is wiped.After wiping body 2 and moving to the appropriate location, motor 5-2 running, the corresponding rope 6-2 that reels of the reel 7-2 in its rotating shaft, the rope 6-2 between reel 7-2 and the housing 1 is shortened because of reeling; Reel 7-1 in the motor 5-1 rotating shaft discharges rope 6-1, makes the rope 6-1 elongation between reel 7-1 and the fork 4, thereby fork 4 and housing 1 are back swung, and wiping body 2, to be close to blackboard surface back mobile, and blackboard surface is wiped.If when needing, can repeat the aforesaid operations one or many.
The wobble drive mechanism of present embodiment comprises a dc motor, and a belt pulley is installed in the rotating shaft of dc motor, and a belt pulley also is installed in the fork rotating shaft 42, between two belt pulleys belt is installed.Dc motor is connected by on-off circuit with dc source, on-off circuit can be controlled the break-make and the direction of DC electric motor stream, this is the known technology of technical staff, not for a more detailed description at this, Fig. 3 illustrates the adoptable a kind of circuit of present embodiment, K switch adopts double-pole switch, and three operating position A, B, C are arranged, and makes just commentaries on classics of dc motor M, stall, counter-rotating respectively.K switch is installed on the pedestal or on the dais.Other structure of present embodiment is identical with embodiment 1.
When dc motor turns round, belt pulley, the belt of dc motor rotating shaft by being mounted thereon, be installed on the belt pulley in the fork rotating shaft 42, drive fork 4 and housing 1 and rotate, wipe body 2 and be close to blackboard surface and move, blackboard surface is wiped with respect to pedestal 3; Switch the sense of current of dc motor, can make the dc motor counter-rotating, thereby make fork 4 and housing 1 backswing, wipe body 2 and be close to blackboard surface and back move, blackboard surface is wiped.If when needing, can repeat the aforesaid operations one or many.
Embodiment 3
The wobble drive mechanism of present embodiment comprises a dc motor, and a gear is installed in the rotating shaft of dc motor, and a gear also is installed in the fork rotating shaft 42, above-mentioned two gears engaged or be in transmission connection by gear train.Dc motor is connected by on-off circuit with dc source, and on-off circuit can be controlled the break-make and the direction of DC electric motor stream, and this is the known technology of technical staff, and is not for a more detailed description at this, can adopt circuit as shown in Figure 3.Switch is installed on the pedestal or on the dais.Other structure of present embodiment is identical with embodiment 1.
When dc motor turned round, gear in the gear driven fork rotating shaft 42 in the dc motor rotating shaft rotated, thereby fork 4 and housing 1 are rotated with respect to pedestal 3, wiped body 2 and was close to blackboard surface and moves, and blackboard surface is wiped; Switch the sense of current of dc motor, can make the dc motor counter-rotating, thereby make fork 4 and housing 1 backswing, wipe body 2 and be close to blackboard surface and move, blackboard surface is wiped.
Claims (6)
1, a kind of blackboard eraser, comprise and wipe body and housing thereof, wiping body is installed on the housing, it is characterized in that: described blackboard eraser also comprises pedestal and fork, one end of fork is rotatably connected with pedestal, the other end is fixedlyed connected with housing, be provided with wobble drive mechanism in the pedestal, wobble drive mechanism is connected with fork.
2, blackboard eraser according to claim 1 is characterized in that: described wobble drive mechanism comprises two motor and two ropes, and two motor are in the both sides of fork rotating shaft respectively, are equipped with reel on the motor rotary shaft; Article two, rope is respectively on two reels, and each has an end and be connected with fork or housing.
3, blackboard eraser according to claim 2 is characterized in that: one or more pulleys are installed in the appropriate location on the described pedestal, and the rope stage casing cooperates with pulley.
4, blackboard eraser according to claim 1 is characterized in that: described wobble drive mechanism comprises a dc motor, and a belt pulley is installed in the rotating shaft of dc motor, and a belt pulley also is installed in the fork rotating shaft, between two belt pulleys belt is installed.
5, blackboard eraser according to claim 1, it is characterized in that: described wobble drive mechanism comprises a dc motor, one gear is installed in the rotating shaft of dc motor, a gear also is installed in the fork rotating shaft, aforementioned two gears engaged or be in transmission connection by gear train.
6, according to each described blackboard eraser of claim 1～5, it is characterized in that: described fork is whole or have one section to be made by elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620066643 CN200957724Y (en) | 2006-10-27 | 2006-10-27 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620066643 CN200957724Y (en) | 2006-10-27 | 2006-10-27 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200957724Y true CN200957724Y (en) | 2007-10-10 |
Family
ID=38784597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620066643 Expired - Fee Related CN200957724Y (en) | 2006-10-27 | 2006-10-27 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200957724Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241220A (en) * | 2010-12-29 | 2011-11-16 | 上海市浦东新区惠南第二小学 | Automatic blackboard eraser |
| CN104325821A (en) * | 2014-11-10 | 2015-02-04 | 潍坊学院 | Pressure-adjustable full-automatic dust-collection blackboard erasing device |
| CN104972806A (en) * | 2014-04-04 | 2015-10-14 | 杜倩旖 | White board electric wiper |
| CN105711302A (en) * | 2014-11-30 | 2016-06-29 | 陈伟群 | Simple and convenient blackboard |
| CN108394215A (en) * | 2018-03-20 | 2018-08-14 | 蚌埠市易跑道教育科技有限公司 | A kind of automatically cleaning blackboard for education |
| CN108742503A (en) * | 2018-06-07 | 2018-11-06 | 张荣健 | A kind of movable visual chart of ophthalmic |
-
2006
- 2006-10-27 CN CN 200620066643 patent/CN200957724Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241220A (en) * | 2010-12-29 | 2011-11-16 | 上海市浦东新区惠南第二小学 | Automatic blackboard eraser |
| CN104972806A (en) * | 2014-04-04 | 2015-10-14 | 杜倩旖 | White board electric wiper |
| CN104325821A (en) * | 2014-11-10 | 2015-02-04 | 潍坊学院 | Pressure-adjustable full-automatic dust-collection blackboard erasing device |
| CN105711302A (en) * | 2014-11-30 | 2016-06-29 | 陈伟群 | Simple and convenient blackboard |
| CN108394215A (en) * | 2018-03-20 | 2018-08-14 | 蚌埠市易跑道教育科技有限公司 | A kind of automatically cleaning blackboard for education |
| CN108742503A (en) * | 2018-06-07 | 2018-11-06 | 张荣健 | A kind of movable visual chart of ophthalmic |
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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: 20071010 Termination date: 20091127 |