CN201646175U - Dustproof blackboard eraser - Google Patents
Dustproof blackboard eraser Download PDFInfo
- Publication number
- CN201646175U CN201646175U CN2010201114172U CN201020111417U CN201646175U CN 201646175 U CN201646175 U CN 201646175U CN 2010201114172 U CN2010201114172 U CN 2010201114172U CN 201020111417 U CN201020111417 U CN 201020111417U CN 201646175 U CN201646175 U CN 201646175U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- eraser
- ash
- dustproof blackboard
- 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 belongs to a teaching tool and particularly relates to a dustproof blackboard eraser capable of preventing chalk dust from flying upwards. The dustproof blackboard eraser comprises an eraser body (1) and an eraser (2). One end of the eraser body (1) is provided with a dust groove side (3) of which one end is closed. The other end of the dust groove side (3) is movably provided with an inserted plate (5). The dust groove side (3) and the inserted plate (5) form a dust groove (4). Both lateral surfaces of the eraser body (1) are provided with circular hole handles (1-1). The eraser (2) is provided with a plurality of grooves (2-1) vertical to the dust groove (4). When the dustproof blackboard eraser is used, most chalk dust enters the grooves and then enters the dust groove so as to greatly prevent the dust from flying upwards, and thus, the dustproof blackboard eraser is favorable to health of a teacher and students. Moreover, the eraser body is provided with the handles, and thus, the dustproof blackboard eraser is convenient and firm to pick up.
Description
Technical field
The utility model belongs to teaching aid, the dust-proof blackboard eraser that the anti-chalk dust of particularly a kind of energy flies upward.
Background technology
At present, the blackboard eraser that uses in the teaching of middle and primary schools is bonded at blackboard eraser on the piece plate exactly, and the chalk dust that is produced when erasing the board flies upward everywhere, and is very unhygienic, to teacher and healthy very unfavorable near the student of blackboard.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provide a kind of can be with the collected dust-proof blackboard eraser of most of chalk dust.
The technical scheme that the utility model technical solution problem adopts is: dust-proof blackboard eraser comprises blackboard eraser body and blackboard eraser, be characterized in establishing the grey ledge of end sealing at an end of blackboard eraser body, ash ledge other end head is adorned a plate versatilely, ash ledge and plate form an ash-pit, blackboard eraser body two sides are provided with the circular hole attacker, and blackboard eraser is provided with several grooves perpendicular to ash-pit.
The beneficial effects of the utility model are: use this blackboard eraser, the chalk dust major part enters groove, enters ash-pit again, significantly reduces dust from flying, helps the healthy of academics and students, owing to be provided with the attacker on the blackboard eraser body, it is firmly convenient to take up in addition.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 is the dust-proof blackboard eraser structural perspective.
Among the figure, 1-blackboard eraser body; 1-1-circular hole attacker; The 2-blackboard eraser; The 2-1-groove; 3-ash ledge; The 4-ash-pit; The 5-plate;
The specific embodiment
With reference to accompanying drawing, the blackboard eraser body 1 of dust-proof blackboard eraser can be made by timber or rigid plastics etc., the blackboard eraser made from raw materials such as foam or hair are sticking 2 is bonded on the blackboard eraser body 1, be provided with the grey ledge 3 of end sealing at an end of blackboard eraser body 1, ash ledge 3 another terminations are adorned a plate 5 versatilely, and grey ledge 3 forms an ash-pit 4 with plate 5.Blackboard eraser body 1 two sides are provided with circular hole attacker 1-1, and big finger can stretch in the hole, and hand takes up firmly convenient; Blackboard eraser 2 is provided with three groove 2-1, and groove 2-1 communicates perpendicular to 4, two grooves of ash-pit.When erasing the board, will be with ash-pit 4 ends down, chalk dust flow into the ash-pit 4 from groove 2-1, behind the wiping certain hour, opens plate 5 and chalk dust can be outwelled.
Claims (1)
1. dust-proof blackboard eraser, comprise blackboard eraser body (1) and blackboard eraser (2), it is characterized in that being provided with the grey ledge (3) of end sealing at an end of blackboard eraser body (1), another termination of ash ledge (3) is adorned a plate (5) versatilely, ash ledge (3) forms an ash-pit (4) with plate (5), and blackboard eraser body (1) two sides are provided with circular hole attacker (1-1); Blackboard eraser (2) is provided with several grooves perpendicular to ash-pit (4) (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201114172U CN201646175U (en) | 2010-02-02 | 2010-02-02 | Dustproof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201114172U CN201646175U (en) | 2010-02-02 | 2010-02-02 | Dustproof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646175U true CN201646175U (en) | 2010-11-24 |
Family
ID=43111396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201114172U Expired - Fee Related CN201646175U (en) | 2010-02-02 | 2010-02-02 | Dustproof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646175U (en) |
-
2010
- 2010-02-02 CN CN2010201114172U patent/CN201646175U/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: 20101124 Termination date: 20120202 |