CN2741791Y - Eraser for blackboard text - Google Patents
Eraser for blackboard text Download PDFInfo
- Publication number
- CN2741791Y CN2741791Y CN 200420080342 CN200420080342U CN2741791Y CN 2741791 Y CN2741791 Y CN 2741791Y CN 200420080342 CN200420080342 CN 200420080342 CN 200420080342 U CN200420080342 U CN 200420080342U CN 2741791 Y CN2741791 Y CN 2741791Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- text
- travel
- transmission shaft
- power transmission
- 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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Abstract
The utility model relates to an eraser for blackboard text, which is composed of a mechanical part and an electrical appliance part. The mechanical part mainly consists of a groove-shaped guiding track and a toothed synchronous track, which are respectively fixed on the upper edge and the lower edge of the blackboard. A guiding pulley connected with movable brackets at the upper and lower ends can slide in the groove-shaped guiding track. Both sides of the movable bracket at the lower end are respectively provided with an automatic control switch. The lower part of the toothed synchronous track at the lower side of the blackboard is connected with a minisize bidirectional electric machine which is connected with a driving shaft and a cleaning rolling shaft through a belt pulley. Both ends of the driving shaft are connected with two guiding gears through the movable brackets to move on the toothed synchronous track. The outside of the cleaning rolling shaft is provided with a spongy body, and both ends of the cleaning rolling shaft are connected with a compression bar which is fixedly connected with the driving shaft. The electrical appliance part is mainly composed of a power supply, the minisize bidirectional electric machine, right and left travel switches, right and left automatic control switches and circuits. The utility model has the advantages that by using one bidirectional electric machine, the operations of the ambulation of the cleaning rolling shaft and the character cleaning can be achieved; compared with two electric machines of the prior art, the cost and space can be saved; the spongy body cleaner has good character cleaning effect and convenient operation, which can be widely used in some propaganda places such as schools.
Description
Technical field
The utility model relates to the picture and text remover that a kind of and blackboard for education are used, and is mainly used in the place that need such as school are write on blackboard.
Background technology
Wipe in original craft on the basis of literal on the blackboard, a lot of about the patent application of automatic blackboard eraser in recent years, as utility model patent 03234113.X: automatic blackboard eraser, it includes blackboard, upper and lower guide frame, wipe motor, brush axle, brush piece, gear, traction electric machine, pulley, steel wire rope, fan, dust box, blackboard eraser, operating key, roller etc., pulley, roller and steel wire rope are installed in the steel wire rope respectively, guide frame the right has an axostylus axostyle to connect pulley up and down, and be connected with the axle of traction electric machine, can draw the blackboard eraser move left and right; Wipe motor and be connected with gear, this gear is meshed with the gear that idler gear and brush axle link to each other again; Drive the brush axle running under the effect of wiping motor, blackboard eraser is wiped blackboard automatically.This automatic blackboard eraser need be installed two motors, the cost height, and steel wire rope uses certain hour and will relax, and influences result of use.
Summary of the invention
The purpose of this utility model is to a kind of blackboard picture and text remover of quick, stable, respond well and no dust pollution simple in structure, practical is provided for school.
The utility model is made up of mechanical part and electrical appliance part: mechanical part mainly comprises and is fixed on blackboard up and down the flute profile guided way and the synchronous rail of profile of tooth on both sides, be connected with, the leading block of lower end travel(l)ing rest can slide in the flute profile guided way, flute profile guided way two ends are provided with block, in the travel(l)ing rest both sides of lower end an autocontrol switch is installed all, the synchronous rail of the profile of tooth of blackboard bottom below, be connected with a miniature either-rotation motor, motor links to each other with the cleaning roller bearing with power transmission shaft respectively by belt pulley, travel(l)ing rest is passed at the power transmission shaft two ends, two guide gears of ining succession move on the synchronous rail of profile of tooth, the cleaning roller bearing is outward a cavernous body, can directly contact with blackboard, be used to wipe writing, cleaning roller bearing two ends are connected with depression bar, the depression bar power transmission shaft that is being connected; Electrical appliance part mainly comprises power switch, miniature either-rotation motor, left and right sides travel switch, left and right sides autocontrol switch and circuit, is controlling the operation of mechanical part.
Advantage of the present utility model is: adopt an either-rotation motor, finish the walking of cleaning roller bearing and wipe two work of word, provide cost savings and the space than two motors of the prior art, it is effective that the cavernous body cleaner is wiped word, freely simple to operate, can be widely used in propaganda places such as school.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is transmission mechanism partial structurtes schematic diagrames;
Fig. 3 is the circuit theory schematic diagram.
Concrete implementing method
The utility model is a kind of blackboard picture and text remover, is made up of mechanical part and electrical appliance part.As Fig. 1, shown in Figure 2, mechanical part mainly comprises and is fixed on blackboard up and down the flute profile guided way 1 and the synchronous rail 2 of profile of tooth on both sides, the leading block 3 that is connected with travel(l)ing rest 4 can slide in flute profile guided way 1, flute profile guided way 1 two ends are provided with block, below the synchronous rail of the profile of tooth of blackboard bottom, be connected with a miniature either-rotation motor 12, motor links to each other with cleaning roller bearing 13 with power transmission shaft 8 respectively by belt pulley 14, travel(l)ing rest 4 is passed at power transmission shaft 8 two ends, two guide gears 11 of ining succession move on the synchronous rail 2 of profile of tooth, are cavernous bodies 7 outside the cleaning roller bearing 13, are directly used in and wipe writing, cleaning roller bearing 13 two ends are connected with depression bar 6, depression bar 6 power transmission shaft 8 that is being connected; For improving the function of this remover, be buckled in the pressing spring 5 on the depression bar 6 on the power transmission shaft in addition, can make tighter that the cavernous body 7 of cleaning on the roller bearing and blackboard paste, on depression bar, also be connected with sweep-up pipe 9, the one end can connect the miniature dust absorption device; As shown in Figure 3; electrical appliance part mainly comprises power switch; miniature either-rotation motor 12; left and right sides travel switch K1-1; K1-2; left and right sides autocontrol switch K2; K3 and circuit; during use; power-on K switch 4; miniature either-rotation motor 12 entrys into service; and drives respectively by belt pulley 14 and to clean roller bearing 13 and power transmission shaft 8; guide gear 11 operations; cavernous body 7 on the cleaning roller bearing 13 is at depression bar 6; under the effect of pressing spring 5; the picture and text on blackboard surface are removed fully; as stopping somewhere in the wiping process; only need click a left side or right lateral journey switch and can realize the function suspending or fall back; when the blackboard picture and text need comprehensive wiping; motor can drive power transmission shaft 8 and travel(l)ing rest 4 moves to blackboard end limit; travel(l)ing rest 4 both sides in the lower end all are installed with an autocontrol switch 10, and when travel(l)ing rest 4 moved to flute profile guided way 1 end points, autocontrol switch 10 touched mutually with flute profile guided way 1 end stone; disconnecting circuit voluntarily, remover is out of service.
Claims (4)
1, a kind of blackboard picture and text remover, form by mechanical part and electrical appliance part, it is characterized in that this mechanical part mainly comprises is fixed on blackboard up and down the flute profile guided way (1) and the synchronous rail of profile of tooth (2) on both sides, be connected with, the leading block (3) of lower end travel(l)ing rest (4) can slide in flute profile guided way (1), in the travel(l)ing rest both sides of lower end an autocontrol switch (10) is installed all, in the synchronous rail of the profile of tooth of blackboard bottom (2) below, be connected with a miniature either-rotation motor (12), motor links to each other with cleaning roller bearing (13) with power transmission shaft (8) respectively by belt pulley (14), travel(l)ing rest (4) is passed at power transmission shaft (8) two ends, two guide gears (11) of ining succession are gone up at the synchronous rail of profile of tooth (2) and are moved, cleaning roller bearing (13) is outer to be cavernous body (7), cleaning roller bearing two ends are connected with depression bar (6), depression bar (6) power transmission shaft (8) that is being connected; Electrical appliance part mainly comprises power switch (K
4), miniature either-rotation motor (12), left and right sides travel switch (K
1-1, K
1-2), left and right sides autocontrol switch (K
2, K
3) and circuit.
2, blackboard picture and text remover as claimed in claim 1 is characterized in that these flute profile guided way (1) two ends are provided with block.
3, blackboard picture and text remover as claimed in claim 1 is characterized in that being buckled in addition on this power transmission shaft (8) pressing spring (5) on the depression bar (6).
4, blackboard picture and text remover as claimed in claim 1 is characterized in that also being connected with sweep-up pipe (9) on this depression bar (6), and the one end can connect the miniature dust absorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420080342 CN2741791Y (en) | 2004-10-18 | 2004-10-18 | Eraser for blackboard text |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420080342 CN2741791Y (en) | 2004-10-18 | 2004-10-18 | Eraser for blackboard text |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2741791Y true CN2741791Y (en) | 2005-11-23 |
Family
ID=35477263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420080342 Expired - Fee Related CN2741791Y (en) | 2004-10-18 | 2004-10-18 | Eraser for blackboard text |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2741791Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626913A (en) * | 2016-11-14 | 2017-05-10 | 平湖市恒莎服装网店 | Cleaning device for writing board |
| CN108357260A (en) * | 2018-05-21 | 2018-08-03 | 贝滨（广东）科技有限公司 | A kind of nana intelligent blackboard with automatic erasing function |
-
2004
- 2004-10-18 CN CN 200420080342 patent/CN2741791Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626913A (en) * | 2016-11-14 | 2017-05-10 | 平湖市恒莎服装网店 | Cleaning device for writing board |
| CN108357260A (en) * | 2018-05-21 | 2018-08-03 | 贝滨（广东）科技有限公司 | A kind of nana intelligent blackboard with automatic erasing function |
| CN108357260B (en) * | 2018-05-21 | 2019-11-19 | 贝滨（广东）科技有限公司 | A kind of nana intelligent blackboard with automatic erasing function |
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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 |