CN202911406U - Ash-absorbing blackboard eraser - Google Patents
Ash-absorbing blackboard eraser Download PDFInfo
- Publication number
- CN202911406U CN202911406U CN 201220610631 CN201220610631U CN202911406U CN 202911406 U CN202911406 U CN 202911406U CN 201220610631 CN201220610631 CN 201220610631 CN 201220610631 U CN201220610631 U CN 201220610631U CN 202911406 U CN202911406 U CN 202911406U
- Authority
- CN
- China
- Prior art keywords
- ash
- box body
- blackboard eraser
- handle
- grey
- 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 discloses an ash-absorbing blackboard eraser. The ash-absorbing blackboard eraser is characterized by comprising a box body with a hollow inner portion, a brush is fixed on the bottom portion of the box body, an ash-absorbing device which is composed of an ash-absorbing draught fan and a blade is arranged in the box body, an ash outlet is arranged at the lower end of the back surface of the box body, an ash opening lid which the size corresponds to the ash outlet is further arranged on the ash outlet, a handle is arranged on the back surface of the box body, a power supply is arranged in the handle, and a switch button which is used for controlling the ash-absorbing draught fan is arranged on the handle. The ash-absorbing blackboard eraser can store and uniformly process chalk ash, the fitness of both teachers and students can not be affected by dust pervasion in the process of cleaning the blackboard and play a role in health of the teachers and students.
Description
Technical field
The utility model relates to the teaching appliance field, and specifically design relates to a kind of
Inhale greyish black blackboard eraser
Background technology
As everyone knows, blackboard eraser is a kind of in the teaching aid, be a teacher blackboard submit a written statement to a higher authority write finish after, can write again after need wiping writing by blackboard eraser, blackboard eraser commonly used is normally done shell by an iron sheet at present, and waste and old cotton making herbs into wool hair is contained in the iron sheet outer casing the inside and makes the effect that only erases the board, and chalk dust can wave everywhere when erasing the board, and is unfavorable for very much health.And traditional blackboard eraser is easy to bad, is not durable, and the blackboard eraser that short several time-of-weeks need to more renew has for a long time increased instruction cost virtually.
The utility model content
The utility model is a kind of in this proposition
Inhale greyish black blackboard eraser, when erasing the board, can absorb, store the chalk dust that produces and unified the processing, not can because of
WipeBlackboard process dust fills the air and affects the healthy of teachers and students.
The utility model is to realize like this, construct the greyish black blackboard eraser of a kind of suction, it is characterized in that: comprise that an inside is hollow box body, box body is fixed with bristle on the bottom, is provided with a suction apparatus for ash that is comprised of the grey blower fan of suction and flabellum in the box body, and the lower end, the back side of box body is provided with ash hole, also be provided with the grey lid corresponding with the ash hole size on the described ash hole, the back side of box body is provided with handle, is provided with power supply in the handle, and handle is provided with the shift knob that grey blower fan work is inhaled in control.
According to the greyish black blackboard eraser of a kind of suction described in the utility model, it is characterized in that: described ash hole is square or circular, and described grey lid is movably arranged on the ash hole place.
According to the greyish black blackboard eraser of a kind of suction described in the utility model, it is characterized in that: inhale grey blower fan and fix by support bar, flabellum is arranged on inhales grey fan shaft end.
The utility model has the advantage of: described in the utility model a kind of
Inhale greyish black blackboard eraser, when erasing the board, can absorb, store the chalk dust that produces and unified the processing, not can because of
WipeBlackboard process dust fills the air and affects the healthy of teachers and students, and teachers and students' health is played a role.
Description of drawings
Fig. 1 is the utility model structural representation
Among the figure: 101, box body, 102, bristle, 103a, inhale grey blower fan, 103b, flabellum, 104, ash hole, 105, grey lid, 106, support bar, 107, handle, 108, power supply, 109, shift knob.
The specific embodiment
Make a detailed description below in conjunction with 1 pair of the utility model of accompanying drawing:
The problem that exists in order to overcome existing blackboard eraser, the utility model provides a kind of suction greyish black blackboard eraser by improvement, comprise that an inside is hollow box body 101, be fixed with bristle 102(bristle on box body 101 bottoms and can knit or spin for cotton the cloth of dry goods), be provided with a suction apparatus for ash that is formed by the grey blower fan 103a of suction and flabellum 103b in the box body 101, inhaling grey blower fan 103a can be sucking box body 101 under the effect of flabellum 103b, the lower end, the back side of box body 101 is provided with ash hole 104, also be provided with the grey lid 105 corresponding with ash hole 104 sizes on the described ash hole 104, the back side of box body 101 is provided with handle 107, be provided with power supply 108 in the handle 107, power supply 108 is connected with the grey blower fan 103a of suction, and handle 107 is provided with the shift knob 109 that grey blower fan 103a work is inhaled in control.Described ash hole 104 is square or circular, and described grey lid 105 is movably arranged on ash hole 104 places.Inhale grey blower fan 103a fixing by support bar 106, flabellum 103b is arranged on and inhales grey blower fan 103a rotating shaft end.In the utility model, box body 101 can be for square or circular, box body 101 also can be collected and store chalk dust simultaneously as the main body of blackboard eraser when erasing the board, in the process that erases the board, and bristle 102 and blackboard surface brushing, chalk writing is removed, open simultaneously and inhale apparatus for ash, under airflow function, institute's wiping chalk ash is sucked hollow box body 101, when being filled box body 101, open grey lid 105, by ash hole 104 chalk dust is poured out.Ash hole 104 is positioned at the lower end at box body 101 back sides, as long as its benefit is to open grey lid 105, can quickly and easily interior dust be poured out.
Claims (3)
1. inhale greyish black blackboard eraser for one kind, it is characterized in that: comprise that an inside is hollow box body (101), box body (101) is fixed with bristle (102) on the bottom, be provided with a suction apparatus for ash that is formed by suction grey blower fan (103a) and flabellum (103b) in the box body (101), the lower end, the back side of box body (101) is provided with ash hole (104), also be provided with the grey lid (105) corresponding with ash hole (104) size on the described ash hole (104), the back side of box body (101) is provided with handle (107), be provided with power supply (108) in the handle (107), handle (107) is provided with the shift knob (109) that grey blower fan (103a) work is inhaled in control.
2. the greyish black blackboard eraser of a kind of suction according to claim 1 is characterized in that: described ash hole (104) is for square or circular, and described grey lid (105) is movably arranged on ash hole (104) and locates.
3. the greyish black blackboard eraser of a kind of suction according to claim 1 is characterized in that: inhale grey blower fan (103a) fixing by support bar (106), flabellum (103b) is arranged on inhales grey blower fan (103a) rotating shaft end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610631 CN202911406U (en) | 2012-11-19 | 2012-11-19 | Ash-absorbing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610631 CN202911406U (en) | 2012-11-19 | 2012-11-19 | Ash-absorbing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202911406U true CN202911406U (en) | 2013-05-01 |
Family
ID=48159744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220610631 Expired - Fee Related CN202911406U (en) | 2012-11-19 | 2012-11-19 | Ash-absorbing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202911406U (en) |
-
2012
- 2012-11-19 CN CN 201220610631 patent/CN202911406U/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: 20130501 Termination date: 20131119 |