CN2460318Y - blackboard with dust remover - Google Patents
blackboard with dust remover Download PDFInfo
- Publication number
- CN2460318Y CN2460318Y CN 00265818 CN00265818U CN2460318Y CN 2460318 Y CN2460318 Y CN 2460318Y CN 00265818 CN00265818 CN 00265818 CN 00265818 U CN00265818 U CN 00265818U CN 2460318 Y CN2460318 Y CN 2460318Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- sealing strip
- gumming device
- small column
- band
- 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
Links
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a blackboard with a powder remover. When the blackboard is pulled in a sliding guide, a small column of a movable sealing strip can be forced out of a light hole of the blackboard to open an opening, and chalk powder can be brushed off by a rubber strip in the powder remover and traces can be removed by a hair brush. When the blackboard is pulled to the bottom, the small column of the sealing strip can enter a light hole on the other side of the blackboard under the action of a small spring, and the opening is closed in this way; powder dust can slowly sink down in a dust receiving box on the lower part of the powder remover. The utility model has the advantages of high dust absorbing rate and convenient operation.
Description
The utility model relates to a kind of school supply and stationery blackboard, specifically belongs to a kind of blackboard with the gumming device.
At present, at the blackboard of teaching field utilization, generally all fix, written trace is wiped with eraser, and dust dances in the air over the sky, has had a strong impact on teachers and students' health, in addition, the blackboard of charged motivation device, the cost height, numerous teachers and students very difficult its benefit.
The purpose of this utility model provides a kind of blackboard with the gumming device, when using this blackboard, because blackboard is by the gumming device, chalk powder and dust all can sink in following dirt-collecting box, the dust that just can not occur dancing in the air over the sky around at the dais, reduced teachers and students eat chalk dust misery, to teachers and students' health very helpful.Use also very convenient.
The utility model is realized by following technical proposals, comprise that the double flute cunning is led, frame, two blackboards, it is characterized in that: the gumming device be will the band gradient rubber bar, hairbrush be contained on the multi-slot plank, two multi-slot planks in front and back and movable sealing strip are contained in up and down between the cover plate, the lower cover perforate.On the cover plate, one of small column injected in the blackboard shallow bore hole about the small column at sealing strip two ends was contained in, and little spring is loaded onto in the other end.On lower cover, mount a dirt-collecting box.Blackboard in sliding leading through pulling, the small column of movable sealing strip can be forced out from the shallow bore hole of blackboard, open openning, the chalk powder will be brushed away by the rubber bar in the gumming device, and vestige is wiped by hairbrush, when blackboard is moved the end to, the small column of sealing strip is under the little spring effect, enter again in the blackboard opposite side shallow bore hole, so just closed openning, dust will be in the gumming device very long sinking in following dirt-collecting box.Thereby reached the purpose of this utility model.
The utility model compared with prior art because the gumming device is simple, easy to use, the dust-absorbing rate height can use general material making such as plastics, aluminium alloy, technology is fairly simple, cost is low, can promote in numerous schools.
Below in conjunction with accompanying drawing,, the utility model is described in detail by embodiment.
Accompanying drawing is the blackboard structure schematic diagram of utility model band gumming device.
See accompanying drawing, preceding piece blackboard 11 is led pulling left in 2,13 in slide down, the small column 8 of movable sealing strip 10 can be forced out from the shallow bore hole 6 of blackboard 11, opens openning, and the chalk powder will be brushed away by the rubber bar 14 in the gumming device, vestige is wiped by hairbrush 9, when blackboard 11 was moved the end to left, the small column 8 of sealing strip 10 entered again in the blackboard opposite side shallow bore hole under the little spring effect, so just closed openning, dust will be in the gumming device very long sinking in following dirt-collecting box 12.Before and after multi-slot plank 16 be contained in up and down under the cover plate between 7,15.Back piece blackboard 3 is identical with the gumming situation of preceding piece blackboard 11.1 is frame, and 4 and 10 are all movable sealing strip.
Claims (3)
1, the blackboard of band gumming device, comprise that the double flute cunning is led, frame, two blackboards, it is characterized in that: the gumming device be will the band gradient rubber bar, hairbrush be contained on the multi-slot plank, two multi-slot planks in front and back and movable sealing strip are contained in up and down between the cover plate, the lower cover perforate.
2, the blackboard of the band gumming device narrated of claims 1 is characterized in that: the small column at sealing strip two ends is contained in up and down on the cover plate, and one of small column injects in the blackboard shallow bore hole, and little spring is loaded onto in the other end.
3, the blackboard of the band gumming device narrated of claims 1,2 is characterized in that: mount a dirt-collecting box on lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00265818 CN2460318Y (en) | 2000-12-17 | 2000-12-17 | blackboard with dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00265818 CN2460318Y (en) | 2000-12-17 | 2000-12-17 | blackboard with dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2460318Y true CN2460318Y (en) | 2001-11-21 |
Family
ID=33620061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00265818 Expired - Fee Related CN2460318Y (en) | 2000-12-17 | 2000-12-17 | blackboard with dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2460318Y (en) |
-
2000
- 2000-12-17 CN CN 00265818 patent/CN2460318Y/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 | ||
| 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 |