CN201325266Y - Fast automatic blackboard eraser - Google Patents
Fast automatic blackboard eraser Download PDFInfo
- Publication number
- CN201325266Y CN201325266Y CNU2008201921047U CN200820192104U CN201325266Y CN 201325266 Y CN201325266 Y CN 201325266Y CN U2008201921047 U CNU2008201921047 U CN U2008201921047U CN 200820192104 U CN200820192104 U CN 200820192104U CN 201325266 Y CN201325266 Y CN 201325266Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- gear
- chute
- rotating shaft
- 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 provides a fast automatic blackboard eraser which relates to an educational affiliation. The fast automatic blackboard eraser comprises a blackboard, a blackboard eraser, a rotating shaft, a gear, a rack, chutes, a chute cover, a roller, a travel switch, a button switch and a micro motor assembly, wherein one chute is respectively formed on the upper edge and the lower edge of the blackboard; the bottom of the chutes is provided with the rack; the chute cover is arranged on the chutes; the blackboard eraser comprises a hollow tube and a blackboard eraser; the hollow tube and the blackboard eraser are made into a whole structure; the length of the blackboard eraser is a little smaller than the height of the blackboard; the rotating shaft passes through the hollow tube, and is in gliding fit with the hollow tube; both ends of the rotating shaft are respectively provided with the gear and the roller; the gear is engaged with the rack; a transmission gear is arranged on the micro motor assembly shaft, and is engaged with the gear; and the micro motor drives the gear to move along the rack and drags the blackboard eraser to work. The utility model has the advantages of compact structure, high practicability, fast and automatic blackboard erasing, time saving and pollution reduction, and can be widely used in each school.
Description
Affiliated technical field
The utility model relates to a kind of teaching aid, especially a kind of fast automatic blackboard eraser.
Background technology
Existing blackboard eraser is very little, can not erase the board fast, and time break is short, runs into the teacher and drags class, and the utmost point before class is given a lesson down wants jildi to wipe clean blackboard in the short time, in such cases, especially needs fast automatic blackboard eraser.
Summary of the invention
At the deficiency of above-mentioned existence, the utility model provides a kind of fast automatic blackboard eraser that can erase the board fast automatically, again.
The technical scheme that its technical problem that solves the utility model adopts is: as shown in the figure, this fast automatic blackboard eraser comprises blackboard (1), blackboard eraser (2), rotating shaft (3), gear (4), tooth bar (5), chute (6), chute lid (7), roller (8), travel switch (9), press button (10), micromachine assembly (11), respectively make a concavity chute (6) in the last lower edge of blackboard (1), in the chute bottom tooth bar (5) is set, chute lid (7) is arranged above the chute; Blackboard eraser (2) comprises hollow pipe (2.1), blackboard eraser (2.2), and hollow pipe and blackboard eraser are made of one, and the length of blackboard eraser (2.2) is slightly less than the height of blackboard (1); Hollow pipe (2.1) is passed in rotating shaft (3), and be slidingly matched with hollow pipe, gear (4) is installed at the rotating shaft two ends respectively successively, roller (8), gear (4) and tooth bar (5) engagement, chute one side makes to have opening, the gliding groove opening is up to blackboard, gliding groove lid (7) covers gear (4) and roller (8) entirely, the opening of upper hopper chute is down to blackboard, the upper hopper chute lid only covers roller (8), travel switch (9) is installed at chute (6) two ends, the blackboard right edge is installed press button (10), travelling gear (11.1) is installed on micromachine assembly (11) axle, is fixed on by support (11.2) above the hollow pipe (2.2) of blackboard eraser (2), make gear (4) engagement in gear (11.1) and the rotating shaft.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A view of structural representation of the present utility model.
The utility model is described in further detail to utilize drawings and Examples.
The specific embodiment
When the utility model is installed, respectively make a concavity chute (6) in the last lower edge of blackboard (1), groove one side makes to have opening, make opening towards blackboard, in the chute bottom tooth bar (5) is installed, travel switch (9) is installed at the upper hopper chute two ends, rotating shaft (3) is passed the hollow pipe (2.2) of blackboard eraser, load onto gear (4) respectively in regular turn at the rotating shaft two ends, roller (8) gear (4) and tooth bar (5) engagement, chute one side makes to have opening, the gliding groove opening is up to blackboard, gliding groove lid (7) covers gear (4) and roller (8) entirely, and bottom roller (8) is located by gliding groove lid, again the upper hopper chute lid is covered the roller (8) of rotating shaft upper end and fix, dress travelling gear (11.1) on micro-shaped motor (11) axle, with support (11.2), outer cover (11.3) is formed the micromachine assembly, be fixed to above the hollow pipe (2.2), adjustment makes travelling gear (11.1) and gear (4) engagement, and blackboard right edge dress press button (10) is during use, press press button (10), micromachine (11) running, driven gear (4) moves ahead along tooth bar (5), drags blackboard eraser (2) work forward, when blackboard is clipped the termination, run into travel switch (9) and stop.But the micromachine rotating, blackboard eraser can move ahead, and wipes left, can retreat to the right and wipe.Press button (10) is just established and is changeed, reverses, stops third gear.
Claims (1)
1, a kind of fast automatic blackboard eraser, it is characterized in that: this fast automatic blackboard eraser comprises blackboard (1), blackboard eraser (2), rotating shaft (3), gear (4), tooth bar (5), chute (6), chute lid (7), roller (8), travel switch (9), press button (10), micromachine assembly (11), respectively make a concavity chute (6) in the last lower edge of blackboard (1), in the chute bottom tooth bar (5) is set, chute lid (7) is arranged above the chute; Blackboard eraser (2) comprises hollow pipe (2.1), blackboard eraser (2.2), and hollow pipe and blackboard eraser are made of one, and the length of blackboard eraser (2.2) is slightly less than the height of blackboard (1); Hollow pipe (2.1) is passed in rotating shaft (3), and be slidingly matched with hollow pipe, rotating shaft two ends difference is cogged (4) successively, roller (8), gear (4) and tooth bar (5) engagement, chute one side makes to have opening, the gliding groove opening is up to blackboard, gliding groove lid (7) covers gear (4) and roller (8) entirely, the opening of upper hopper chute is down to blackboard, the upper hopper chute lid only covers roller (8), travel switch (9) is installed at chute (6) two ends, the blackboard right edge is installed press button (10), travelling gear (11.1) is installed on micromachine assembly (11) axle, is fixed on by support (11.2) above the hollow pipe (2.2) of blackboard eraser (2), make gear (4) engagement in gear (11.1) and the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201921047U CN201325266Y (en) | 2008-11-04 | 2008-11-04 | Fast automatic blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201921047U CN201325266Y (en) | 2008-11-04 | 2008-11-04 | Fast automatic blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201325266Y true CN201325266Y (en) | 2009-10-14 |
Family
ID=41177245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201921047U Expired - Fee Related CN201325266Y (en) | 2008-11-04 | 2008-11-04 | Fast automatic blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201325266Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114016A (en) * | 2016-08-09 | 2016-11-16 | 安徽工程大学机电学院 | Blackboard eraser |
| CN106114014A (en) * | 2016-07-25 | 2016-11-16 | 汤美 | Blackboard device for fast cleaning is used in a kind of education |
| CN107468430A (en) * | 2017-08-24 | 2017-12-15 | 镇江市高等专科学校 | A kind of liftable Medical handcart and application method |
| WO2018018380A1 (en) * | 2016-07-25 | 2018-02-01 | 汤美 | Quick-cleaning apparatus for educational blackboard |
| CN107878078A (en) * | 2017-12-04 | 2018-04-06 | 方正圆 | It is a kind of can quick regulation blackboard surface teaching equipment |
| CN108001084A (en) * | 2017-12-04 | 2018-05-08 | 方正圆 | A kind of blackboard quickly wiped with two-sided switching of imparting knowledge to students |
-
2008
- 2008-11-04 CN CNU2008201921047U patent/CN201325266Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114014A (en) * | 2016-07-25 | 2016-11-16 | 汤美 | Blackboard device for fast cleaning is used in a kind of education |
| WO2018018380A1 (en) * | 2016-07-25 | 2018-02-01 | 汤美 | Quick-cleaning apparatus for educational blackboard |
| CN106114016A (en) * | 2016-08-09 | 2016-11-16 | 安徽工程大学机电学院 | Blackboard eraser |
| CN107468430A (en) * | 2017-08-24 | 2017-12-15 | 镇江市高等专科学校 | A kind of liftable Medical handcart and application method |
| CN107878078A (en) * | 2017-12-04 | 2018-04-06 | 方正圆 | It is a kind of can quick regulation blackboard surface teaching equipment |
| CN108001084A (en) * | 2017-12-04 | 2018-05-08 | 方正圆 | A kind of blackboard quickly wiped with two-sided switching of imparting knowledge to students |
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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: 20091014 Termination date: 20101104 |