CN202046082U - Blackboard with eraser - Google Patents
Blackboard with eraser Download PDFInfo
- Publication number
- CN202046082U CN202046082U CN201120044463XU CN201120044463U CN202046082U CN 202046082 U CN202046082 U CN 202046082U CN 201120044463X U CN201120044463X U CN 201120044463XU CN 201120044463 U CN201120044463 U CN 201120044463U CN 202046082 U CN202046082 U CN 202046082U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- fixed
- eraser
- frame
- square frame
- 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 a teaching appliance, particularly to a blackboard with an eraser. The blackboard with the eraser comprises a blackboard and a frame fixed around the blackboard. The blackboard with the eraser is characterized in that sliding grooves are arranged in inner cavities at two sides of the frame; two sliding grooves are fixed in the middle of the frame; the two sliding grooves divide the blackboard into three pieces; the eraser is movably fixed above the three pieces of the blackboard through the sliding grooves; a clamping groove is arranged above the frame; the eraser is a sliding plate; pulleys are fixed at two sides of the sliding plate and clamped inside the sliding grooves; brush hair is fixed at the back of the sliding plate; and the top of the sliding plate is provided with a clamping hook which can be clamped with the clamping groove above the frame. The blackboard has the advantages of being simple in structure and convenient for use, and can erase chalk writing once conveniently.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of blackboard that has blackboard eraser.
Background technology
Blackboard is the requisite teaching aid of school.Existing blackboard structure is more single, will wipe very trouble after blackboard is write full word.Invented electric blackboard eraser in order to address the above problem people.But therefore electric blackboard eraser complex structure, cost height, damage easily are difficult to promote.And blackboard eraser separates with blackboard, uses inconveniently, wipes very effort.Therefore inventing a kind of blackboard that has blackboard eraser is highly profitable.
Summary of the invention
Technical problem to be solved in the utility model is exactly the defective at existing blackboard, provides a kind of blackboard that has blackboard eraser, to remedy the deficiencies in the prior art.
The technical solution of the utility model is achieved in that it comprises blackboard, be fixed with square frame around the blackboard, it is characterized in that: the both sides inner chamber of square frame has chute, the center fixed of square frame has two chutes, two chutes are separated into three with blackboard, and the top of three blackboards is fixed with blackboard eraser by the chute activity.The top of described square frame is provided with draw-in groove.Described blackboard eraser is a slide plate, and the both sides of slide plate are fixed with pulley, and pulley is stuck in the chute, and the back side of slide plate is fixed with snag, and the slide plate top is provided with grab.Grab can engage with the draw-in groove of square frame top.
The utlity model has advantage simple in structure, easy to use, it can disposablely easily wipe clean letter written with chalk.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the partial structurtes schematic diagram of the utility model side.
Fig. 3 is the structural representation of the utility model blackboard eraser.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, the utility model comprises blackboard 13, be fixed with square frame 1 around the blackboard, the both sides inner chamber of square frame 1 has chute 2, the center fixed of square frame has two chutes 3 and 4, two chutes 3 and 4 are separated into three with blackboard, and the top of three blackboards is fixed with blackboard eraser 5,6 and 7 by the chute activity.As shown in Figure 2, the top of described square frame 1 is provided with draw-in groove 8.As shown in Figure 3, described blackboard eraser is a slide plate 9, and the both sides of slide plate 9 are fixed with pulley 10, and pulley 10 is stuck in the chute, and the back side of slide plate 9 is fixed with snag 11, and the slide plate top is provided with grab 12.Grab 12 can engage with the draw-in groove 8 of square frame top.
Claims (3)
1. blackboard that has blackboard eraser, it comprises blackboard, is fixed with square frame around the blackboard, it is characterized in that: the both sides inner chamber of square frame has chute, the center fixed of square frame has two chutes, and two chutes are separated into three with blackboard, and the top of three blackboards is fixed with blackboard eraser by the chute activity.
2. the blackboard that has blackboard eraser according to claim 1 is characterized in that: the top of described square frame is provided with draw-in groove.
3. the blackboard that has blackboard eraser according to claim 1 is characterized in that: described blackboard eraser is a slide plate, and the both sides of slide plate are fixed with pulley, and pulley is stuck in the chute, and the back side of slide plate is fixed with snag, and the slide plate top is provided with grab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120044463XU CN202046082U (en) | 2011-02-22 | 2011-02-22 | Blackboard with eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120044463XU CN202046082U (en) | 2011-02-22 | 2011-02-22 | Blackboard with eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202046082U true CN202046082U (en) | 2011-11-23 |
Family
ID=44986404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120044463XU Expired - Fee Related CN202046082U (en) | 2011-02-22 | 2011-02-22 | Blackboard with eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202046082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626914A (en) * | 2016-11-04 | 2017-05-10 | 天津兴科启智科技发展有限公司 | Novel full-automatic dedusting blackboard |
-
2011
- 2011-02-22 CN CN201120044463XU patent/CN202046082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626914A (en) * | 2016-11-04 | 2017-05-10 | 天津兴科启智科技发展有限公司 | Novel full-automatic dedusting blackboard |
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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: 20111123 Termination date: 20120222 |