CN202053800U - Convenient and fast blackboard eraser - Google Patents
Convenient and fast blackboard eraser Download PDFInfo
- Publication number
- CN202053800U CN202053800U CN2011201106715U CN201120110671U CN202053800U CN 202053800 U CN202053800 U CN 202053800U CN 2011201106715 U CN2011201106715 U CN 2011201106715U CN 201120110671 U CN201120110671 U CN 201120110671U CN 202053800 U CN202053800 U CN 202053800U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- convenient
- vertical plate
- fast
- blackboard eraser
- 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
A convenient an fast blackboard eraser comprises a vertical plate and two transverse plates, wherein the transverse plates are vertically and fixedly connected at two ends of the vertical plate; the bottom end of each transverse plate is provided with a pulley; the surface of each transverse plate is provided with a through hole where a screw is arranged; the outer surface of the vertical plate is provided with a handle; and the inner surface of the vertical plate is provided with bristles. When the convenient an fast blackboard eraser is in use, the two transverse plates are respectively placed at the top side and the bottom side of a blackboard and then are fixed by the screws at the through holes; the bristles at the inner surface of the vertical plate are tightly contacted with the surface of the blackboard, the handle at the outer surface of the vertical plate is held to move left and right by a hand and then the handwriting on the surface of the blackboard can be erased cleanly. The convenient an fast blackboard eraser has the advantages of being simple in structure, convenient to use and capable of fast erasing the writing on the surface of the blackboard cleanly.
Description
Technical field the utility model relates to a kind of teaching aid, especially a kind of convenient device that erases the board.
Background technology is well-known, and the writing on the blackboard of wiping on the blackboard is a thing that wastes time and energy, for short people, writing on the blackboard on the blackboard to be wiped clean, be difficult for especially, and at present a kind of device that erases the board easy to use do not arranged as yet, can not satisfy teachers and students' use needs.
The summary of the invention the purpose of this utility model is to provide a kind of convenient device that erases the board, to satisfy teachers and students' use needs.
The utility model comprises riser and transverse slat, and vertical affixed transverse slat is provided with pulley in the bottom of transverse slat at the two ends of riser, be provided with open-work on the surface of transverse slat, and through-hole position is provided with screw; Outer surface at riser is provided with handle, and the surface is provided with bristle within it.
After adopting said structure, during use, two transverse slats are placed the top margin and the place, base of blackboard respectively, utilize the screw of through-hole position, be fixed, the bristle of riser inner surface is closely contacted with the plate face of blackboard, hold the handle move left and right of riser outer surface, can be with the plate face wiped clean of blackboard.
The utility model has the advantages that: simple in structure, easy to use, can be fast with the writing on the blackboard wiped clean of blackboard panel.
Description of drawings Fig. 1 is a schematic perspective view of the present utility model.
The specific embodiment comprises riser 1 and transverse slat 2 in the schematic perspective view of the convenient device that erases the board shown in Figure 1, vertical affixed transverse slat is provided with pulley 3 in the bottom of transverse slat at the two ends of riser, is provided with open-work 4 on the surface of transverse slat, and through-hole position is provided with screw 5; Outer surface at riser is provided with handle 6, and the surface is provided with bristle 7 within it.
Claims (1)
1. the convenient device that erases the board comprises riser and transverse slat, it is characterized in that: the vertical affixed transverse slat at the two ends of riser, be provided with pulley in the bottom of transverse slat, and be provided with open-work on the surface of transverse slat, and through-hole position is provided with screw; Outer surface at riser is provided with handle, and the surface is provided with bristle within it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201106715U CN202053800U (en) | 2011-04-14 | 2011-04-14 | Convenient and fast blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201106715U CN202053800U (en) | 2011-04-14 | 2011-04-14 | Convenient and fast blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202053800U true CN202053800U (en) | 2011-11-30 |
Family
ID=45013784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201106715U Expired - Fee Related CN202053800U (en) | 2011-04-14 | 2011-04-14 | Convenient and fast blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202053800U (en) |
-
2011
- 2011-04-14 CN CN2011201106715U patent/CN202053800U/en not_active Expired - Fee Related
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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: 20111130 Termination date: 20120414 |