CN201012600Y - Dustless blackboard - Google Patents
Dustless blackboard Download PDFInfo
- Publication number
- CN201012600Y CN201012600Y CNU2006201683567U CN200620168356U CN201012600Y CN 201012600 Y CN201012600 Y CN 201012600Y CN U2006201683567 U CNU2006201683567 U CN U2006201683567U CN 200620168356 U CN200620168356 U CN 200620168356U CN 201012600 Y CN201012600 Y CN 201012600Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- utility
- powder box
- cavernous body
- 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 dust-free blackboard eraser relates to an improved structure of blackboard eraser. The utility model provided a dust-free blackboard eraser which can prevent the chalk dust from fluttering. The utility model includes a dust collection box. The utility model is characterized in that: a bracket of the dust collection box is provided with a blackboard eraser and the front face of the blackboard eraser is arranged in the dust collection box; the front face of the blackboard eraser is a cavernous body and the center of the cavernous body is provided with a groove; the back face of the blackboard eraser is a handle arranged outside the dust collection box.
Description
Technical field:
The utility model relates to the improvement of wiping blackboard structure.
Background technology:
The blackboard eraser that present school generally uses, structure is very simple, and the simple function of wiping letter written with chalk on the blackboard is only arranged.The result that this blackboard eraser brings is that chalk dust flies upward in the classroom everywhere, causes the classroom environment pollution, brings inconvenience to Faculty and Students.
The utility model content:
The utility model is exactly at the problems referred to above, and a kind of dust-free black board eraser that prevents that chalk dust from flying upward everywhere is provided.
The utility model adopts following technical scheme: the utility model comprises and connects powder box, and the support that its structural feature connects powder box is provided with blackboard eraser, and the front of blackboard eraser is arranged on and connects in the powder box; The front of blackboard eraser is a cavernous body, has groove in the middle of the cavernous body; The back side of blackboard eraser is handle, is arranged on to connect outside the powder box.
The beneficial effects of the utility model:
Front of the present utility model is a cavernous body, and the centre of cavernous body has groove, and in the process that blackboard eraser erases the board, dust is that cavernous body absorbs, and also can exist in the groove; In addition, the blackboard eraser after using can leave in and connect in the powder box, can avoid the dust of chalk to fly upward everywhere.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
The specific embodiment:
The utility model comprises and connects powder box 1, and the support 2 that connects powder box 1 is provided with blackboard eraser 4, and the front of blackboard eraser 4 is arranged on and connects in the powder box 1; The front of blackboard eraser 4 is a cavernous body 6, has groove 5 in the middle of the cavernous body 6; The back side of blackboard eraser 4 is handle 3, is arranged on to connect outside the powder box 1.
Below in conjunction with a description of drawings course of action of the present utility model:
During use, take behind the blackboard eraser 4 literal on erasing the board etc. from connecing powder box 1 with handle 3; The dust of chalk is that cavernous body 6 absorbs, and also falls within the groove 5 simultaneously; After having wiped blackboard, blackboard eraser 4 places and connects on the powder box 1, knocks blackboard eraser 4 gently, and the dust of chalk will be fallen and connect in the powder box 1.
Claims (1)
1. dust-free black board eraser comprises connecing powder box (1), and the support (2) that it is characterized in that connecing powder box (1) is provided with blackboard eraser (4), and the front of blackboard eraser (4) is arranged on and connects in the powder box (1); The front of blackboard eraser (4) is cavernous body (6), has groove (5) in the middle of the cavernous body (6); The back side of blackboard eraser (4) is handle (3), is arranged on to connect outside the powder box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201683567U CN201012600Y (en) | 2006-12-21 | 2006-12-21 | Dustless blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201683567U CN201012600Y (en) | 2006-12-21 | 2006-12-21 | Dustless blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201012600Y true CN201012600Y (en) | 2008-01-30 |
Family
ID=39024383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201683567U Expired - Fee Related CN201012600Y (en) | 2006-12-21 | 2006-12-21 | Dustless blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201012600Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172440A (en) * | 2015-07-28 | 2015-12-23 | 杨柳青 | Environment-friendly blackboard eraser device |
-
2006
- 2006-12-21 CN CNU2006201683567U patent/CN201012600Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172440A (en) * | 2015-07-28 | 2015-12-23 | 杨柳青 | Environment-friendly blackboard eraser device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |