CN203902078U - Eraser dedusting box - Google Patents
Eraser dedusting box Download PDFInfo
- Publication number
- CN203902078U CN203902078U CN201420329951.9U CN201420329951U CN203902078U CN 203902078 U CN203902078 U CN 203902078U CN 201420329951 U CN201420329951 U CN 201420329951U CN 203902078 U CN203902078 U CN 203902078U
- Authority
- CN
- China
- Prior art keywords
- motor
- rack
- classroom
- bearing
- rocking bar
- 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
The utility model relates to an eraser dedusting box. A working opening is formed in an upper plate of a case, a rack is arranged in the middle of the case through a rack support, and a dust accumulation drawer is installed on a base of the case; a rocking bar is connected with a connecting rod through a pin and installed on a bearing block through a bearing, a hairbrush is installed on a shaft, one end of the connecting rod is installed on the shaft in a sleeved mode through a bearing, gears are installed at the two ends of the shaft, the gears and the rack are transmitted in a matched mode, a starting button of a motor is installed on the upper plate, and the motor is installed on the rack support through a motor support and a screw; a driving gear is installed at the shaft end of the motor to be matched with a driven gear, and the driven gear is installed on the rocking bar. The eraser dedusting box has the advantages that the product is small in size, light in weight and suitable for application in a classroom, and can be used in the classroom of a middle and primary school or the classroom of a college, injuries of blackboard erasing by teachers to the bodies of the teachers can be reduced, safety and stability are good, and the eraser dedusting box is a classroom auxiliary tool high in cost performance.
Description
Technical field
The utility model is a kind of blackboard eraser dust cleaning case.
Background technology
Classroom is used chalk to write on blackboard at classroom teaching, with blackboard eraser, remove chalk writing, after using several times, blackboard eraser surface leaves a large amount of dust, have to by repelling and attacking to remove dust, with this while dust, also can spread, surrounding space is caused to certain negative effect, how with a kind of instrument, to complete the dedusting to blackboard eraser and become a valuable project, this instrument is removed the dust on blackboard eraser surface by annular hairbrush, and in casing, collects dust, prevents diffusion.
Summary of the invention
The purpose of this utility model is, solves above-mentioned existing existing problem, provides a kind of effective removing blackboard eraser surface dust a kind of blackboard eraser dust cleaning case.
The utility model is achieved in that at the upper plate of cabinet establishes working hole, and tooth bar support is installed at the middle part of cabinet, on tooth bar support, by dog screw stationary rack, laying dust drawer is installed on the base of cabinet; Rocking bar is connected with connecting rod by pin, and rocking bar is arranged on bearing block by bearing, and bearing block is arranged on base; Hairbrush is arranged on axle, and one end of connecting rod is contained on axle by bearing holder (housing, cover), and the two ends of axle are by the strong gear of installing, and wheel and rack coordinates transmission, and the start button of motor is arranged on upper plate, and motor is arranged on tooth bar support by motor rack, screw; The axle head of motor is installed driving gear, and driving gear coordinates with driven gear, and driven gear is arranged on rocking bar.
The utility model has the advantages that, small product size is little, lightweight, be applicable to being applied in classroom, can use in middle and primary schools classroom, also can use in university classroom, can reduce the injury that teacher sassafras blackboard causes health, and security, stability, if put goods on the market, prospect is considerable, is the classroom aid that a kind of cost performance is very high.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is vertical view cutaway drawing;
Fig. 3 is that cutaway view is looked on a left side.
The specific embodiment
The utility model is achieved in that as shown in the figure, at the upper plate 12 of cabinet 20, establishes working hole, and tooth bar support 17 is installed at the middle part of cabinet 20, on tooth bar support 17, by dog screw 11 stationary racks 10, on the base 19 of cabinet 20, laying dust drawer 18 is installed; Rocking bar 3 is connected with connecting rod 5 by pin 16, and rocking bar 3 is arranged on bearing block 15 by bearing, and bearing block 15 is arranged on base 19; Hairbrush 6 is arranged on axle 8, one end of connecting rod 5 is contained on axle 8 by bearing holder (housing, cover), and gear 7 is installed by strong 9 in the two ends of axle 8, and gear 7 coordinates transmission with tooth bar 10, the start button 21 of motor 1 is arranged on upper plate 12, and motor 1 is arranged on tooth bar support 17 by motor rack 13, screw 14; The axle head of motor 1 is installed driving gear 2, and driving gear 2 coordinates with driven gear 4, and driven gear 4 is arranged on rocking bar 3.
During use, the felt of blackboard eraser 22 is faced down and is placed into upper plate 12 and establishes working hole place, connect power supply, press start button 21 motor 1 is started, motor is started working with the rotating speed of 30 ~ 40r/min, driven gear 2 rotations, are meshed transmission of power are arrived to rocking bar 3 by gear, form slider-crank mechanism, rocking bar 3 forms kinematic pair by pin 17 and connecting rod 5, connecting rod 5 band moving axis 8 move back and forth, and synchronously with hairbrush 6, move back and forth, and hairbrush was brushed blackboard eraser surface; In axle 8 reciprocating motion processes, gear 7 and tooth bar 10 engagements, employing be the gear motion of rack-and-pinion, steadily, gear 7 arrives axle 8 by flat key transferring power in motion, makes hairbrush 6 rotations, strengthen hairbrush dust collection capacity, brush powder falling dirt, is collected in 18 li, the drawer of bottom half.
Claims (1)
1. a blackboard eraser dust cleaning case, is characterized in that, at the upper plate of cabinet, establishes working hole, and tooth bar support is installed at the middle part of cabinet, on tooth bar support, by dog screw stationary rack, laying dust drawer is installed on the base of cabinet; Rocking bar is connected with connecting rod by pin, and rocking bar is arranged on bearing block by bearing, and bearing block is arranged on base; Hairbrush is arranged on axle, and one end of connecting rod is contained on axle by bearing holder (housing, cover), and the two ends of axle are by the strong gear of installing, and wheel and rack coordinates transmission, and the start button of motor is arranged on upper plate, and motor is arranged on tooth bar support by motor rack, screw; The axle head of motor is installed driving gear, and driving gear coordinates with driven gear, and driven gear is arranged on rocking bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329951.9U CN203902078U (en) | 2014-06-20 | 2014-06-20 | Eraser dedusting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329951.9U CN203902078U (en) | 2014-06-20 | 2014-06-20 | Eraser dedusting box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203902078U true CN203902078U (en) | 2014-10-29 |
Family
ID=51776369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329951.9U Expired - Fee Related CN203902078U (en) | 2014-06-20 | 2014-06-20 | Eraser dedusting box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203902078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881978A (en) * | 2017-03-28 | 2017-06-23 | 王怡瑾 | It is provided with the blackboard for reclaiming chalk powder device |
-
2014
- 2014-06-20 CN CN201420329951.9U patent/CN203902078U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881978A (en) * | 2017-03-28 | 2017-06-23 | 王怡瑾 | It is provided with the blackboard for reclaiming chalk powder device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150620 |
|
| EXPY | Termination of patent right or utility model |