CN201712369U - Magnetic blackboard eraser - Google Patents
Magnetic blackboard eraser Download PDFInfo
- Publication number
- CN201712369U CN201712369U CN2010202215274U CN201020221527U CN201712369U CN 201712369 U CN201712369 U CN 201712369U CN 2010202215274 U CN2010202215274 U CN 2010202215274U CN 201020221527 U CN201020221527 U CN 201020221527U CN 201712369 U CN201712369 U CN 201712369U
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- CN
- China
- Prior art keywords
- hole
- blackboard
- eraser
- blackboard eraser
- magnet
- 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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- Telephone Set Structure (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a blackboard eraser, in particular to a magnetic blackboard eraser which can prevent the loss of the blackboard eraser and is easy to take down from a magnetic blackboard. The magnetic blackboard eraser comprises a bristle layer at the top of the blackboard eraser, a first through hole positioned in the blackboard eraser in horizontal direction, a second through hole vertical to and communicated with the first through hole, and a cylindrical magnet and a spring which are positioned in the second through hole, wherein the spring is positioned between the magnet and the bristle layer. In the utility model, the blackboard eraser can be absorbed on a magnetic blackboard, so as to be easy to find. Meanwhile, the blackboard eraser can be easily taken down from the blackboard when in need. When using the blackboard eraser, only active plates at two sides of the blackboard eraser need to be pressed to enable the magnet to be away from the blackboard, and when placing the blackboard eraser back to the blackboard, the pressed active plates are released, and the magnet reset back to an original position under the elasticity of the spring, so that the blackboard eraser is absorbed on the blackboard again.
Description
Technical field
The utility model relates to a kind of blackboard eraser, and the magnetism eraser that takes off from magnet board is lost, is easy to particularly a kind of blackboard eraser that prevents.
Background technology
For preventing that blackboard eraser from losing, there is multiple blackboard all to have magnetic by variety of way, the blackboard eraser that supporting with it inside comprises magnet then can be adsorbed on the blackboard.Yet this blackboard eraser suction is excessive, is difficult to take off from magnet board.
In view of the above problems, the utility model relates to a kind of magnetism eraser.It has technical characterictic as mentioned below, to solve existing problem.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of simple in structure, magnetism eraser that can be adsorbed on the blackboard and can fast take off from blackboard.
A kind of magnetism eraser of the present utility model is characterized in that, comprising:
One blackboard eraser;
Be arranged on a layers of brush bristles on blackboard eraser top;
Be positioned at first through hole of the horizontal direction of blackboard eraser inside, and second through hole that be communicated with vertical with described first through hole;
Described second through hole is the cavity of a cylindrical-shaped structure of closed at both ends; And
Be positioned at the cylindric magnet and a spring of second through hole, described spring is between magnet and described layers of brush bristles, and the external diameter of described magnet is less than the internal diameter of described second through hole.
Above-mentioned magnetism eraser, the two ends of described first through hole are respectively equipped with two fixed heads of the b type that is fixed on the described blackboard eraser left and right sides;
Described fixed head comprises a looping pit; And
Be arranged on the connecting axle in the described looping pit, an end of described connecting axle is positioned at described looping pit, and the internal diameter of described looping pit and the external diameter of described connecting axle are suitable.
Above-mentioned magnetism eraser, the two ends of described first through hole all also further are respectively equipped with the portable plate of length greater than described first through-hole diameter;
The centre position of described portable plate is equipped with fixing hole, and the other end of described connecting axle is positioned at described fixing hole, and the internal diameter of described fixing hole and the external diameter of described connecting axle are suitable.
Above-mentioned magnetism eraser, the lower end of described portable plate are positioned at described first through hole.
Above-mentioned magnetism eraser, described magnetism eraser also further comprise an end and are fixed on two cords on the magnet;
Wherein, the other end of described two cords is separately fixed at the lower end of described two portable plates.
The utility model makes blackboard eraser can be adsorbed on the magnet board, is easy to seek.Simultaneously, blackboard eraser when using, can be taken off light labour-saving by needs from blackboard.When using blackboard eraser,, make magnet away from blackboard as long as pin the portable plate of blackboard eraser both sides; Put back to blackboard eraser to blackboard the time, decontrol the portable plate of pinning, magnet is subjected to the spring return of spring to original position, is adsorbed on the blackboard again.
Description of drawings
Fig. 1 is the structural representation of magnetism eraser.
The specific embodiment
According to claim of the present utility model and the disclosed content of utility model content, embodiment specific as follows is described for the technical solution of the utility model:
Referring to shown in Figure 1, a kind of magnetism eraser of the present utility model is characterized in that, comprising: blackboard eraser is arranged on a layers of brush bristles 1 of blackboard eraser upper end; Be positioned at first through hole 2 of the horizontal direction of blackboard eraser inside, and second through holes 3 that are communicated with vertical with described first through hole 2;
Second through hole 3 is the cavity of a cylindrical-shaped structure of closed at both ends; And
Be positioned at the cylindric magnet 10 and a spring 4 of second through hole 3, described spring 4 is between magnet 10 and described layers of brush bristles 1, and the external diameter of described magnet 10 is less than the internal diameter of described second through hole 3.
Above-mentioned magnetism eraser, the two ends of first through hole 2 are respectively equipped with two fixed heads 6 of the b type that is fixed on the described blackboard eraser left and right sides;
Described fixed head 6 comprises a looping pit (not shown); And
Be arranged on the connecting axle 9 in the described looping pit, an end of described connecting axle 9 is positioned at described looping pit, and the external diameter of the internal diameter of described looping pit and described connecting axle 9 is suitable.
Above-mentioned magnetism eraser, the two ends of described first through hole 2 all also further are respectively equipped with the portable plate 7 of length greater than described first through-hole diameter;
The centre position of portable plate 7 is equipped with fixing hole 8, and the other end of described connecting axle 9 is positioned at described fixing hole 8, and the external diameter of the internal diameter of described fixing hole 8 and described connecting axle 9 is suitable.
Above-mentioned magnetism eraser, the lower end of described portable plate 7 are positioned at described first through hole 2.
Above-mentioned magnetism eraser, described magnetism eraser also further comprise an end and are fixed on two cords 5 on the magnet 10;
Wherein, the other end of described two cords 5 is separately fixed at the lower end of described two portable plates 7.Push 7, two cords of portable plate, 5 pulling magnet 10,10 of magnet and magnet board are attached together, pulling magnet 10 to magnet 10 pushes toward second through hole, 3 interior sides near layers of brush bristles 1, consequently, and compression spring 4, thereby magnet 10 makes blackboard eraser be broken away from blackboard away from blackboard.
The utility model makes blackboard eraser can be adsorbed on the magnet board, is easy to seek.Simultaneously, blackboard eraser when using, can be taken off light labour-saving by needs from blackboard.When using blackboard eraser,, make magnet away from blackboard as long as pin the portable plate of blackboard eraser both sides; Put back to blackboard eraser to blackboard the time, decontrol the portable plate of pinning, magnet is subjected to the spring return of spring to original position, is adsorbed on the blackboard again.
The foregoing description only is giving an example of the optional embodiment of the utility model, and its related feature only is used for explanation and sets forth the technical solution of the utility model, and is not used in qualification protection domain of the present utility model.
Claims (5)
1. a magnetism eraser is characterized in that, comprising:
One blackboard scrape along is arranged on a layers of brush bristles on described blackboard eraser top;
Be positioned at first through hole of the horizontal direction of described blackboard eraser inside, and second through hole that be communicated with vertical with described first through hole;
Described second through hole is the cavity of a cylindrical-shaped structure of closed at both ends; And
Be positioned at the cylindric magnet and a spring of second through hole, described spring is between magnet and described layers of brush bristles, and the external diameter of described magnet is less than the internal diameter of described second through hole.
2. magnetism eraser as claimed in claim 1 is characterized in that, the two ends of described first through hole are respectively equipped with two fixed heads of the b type that is fixed on the described blackboard eraser left and right sides;
Described fixed head comprises a looping pit; And
Be arranged on the connecting axle in the described looping pit, an end of described connecting axle is positioned at described looping pit, and the internal diameter of described looping pit and the external diameter of described connecting axle are suitable.
3. magnetism eraser as claimed in claim 2 is characterized in that, the two ends of described first through hole all also further are respectively equipped with the portable plate of length greater than described first through-hole diameter;
The centre position of described portable plate is equipped with fixing hole, and the other end of described connecting axle is positioned at described fixing hole, and the internal diameter of described fixing hole and the external diameter of described connecting axle are suitable.
4. magnetism eraser as claimed in claim 3 is characterized in that, the lower end of described portable plate is positioned at described first through hole.
5. magnetism eraser as claimed in claim 4 is characterized in that, described magnetism eraser also further comprises an end and is fixed on two cords on the magnet;
Wherein, the other end of described two cords is separately fixed at the lower end of described two portable plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202215274U CN201712369U (en) | 2010-06-09 | 2010-06-09 | Magnetic blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202215274U CN201712369U (en) | 2010-06-09 | 2010-06-09 | Magnetic blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201712369U true CN201712369U (en) | 2011-01-19 |
Family
ID=43458368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202215274U Expired - Fee Related CN201712369U (en) | 2010-06-09 | 2010-06-09 | Magnetic blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201712369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310695A (en) * | 2011-10-10 | 2012-01-11 | 李雪松 | Dust-proof blackboard eraser |
-
2010
- 2010-06-09 CN CN2010202215274U patent/CN201712369U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310695A (en) * | 2011-10-10 | 2012-01-11 | 李雪松 | Dust-proof blackboard eraser |
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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: 20110119 Termination date: 20110609 |