CN201415572Y - Dust-absorbing blackboard - Google Patents
Dust-absorbing blackboard Download PDFInfo
- Publication number
- CN201415572Y CN201415572Y CN2009200264606U CN200920026460U CN201415572Y CN 201415572 Y CN201415572 Y CN 201415572Y CN 2009200264606 U CN2009200264606 U CN 2009200264606U CN 200920026460 U CN200920026460 U CN 200920026460U CN 201415572 Y CN201415572 Y CN 201415572Y
- Authority
- CN
- China
- Prior art keywords
- dust
- bristle
- shell
- cavity
- hollow cavity
- 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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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model overcomes the defect that existing blackboards can not absorb dust, and provides a dust-absorbing blackboard which is economical, and has simple structure and convenient use. The dust-absorbing blackboard comprises a hand handle, a shell and bristle, wherein the inner portion of the shell is a hollow cavity, one end of the shell is provided with a suction cleaner interface, the hollow cavity is communicated with the suction cleaner interface, the bottom of the hollow cavity is provided with a baffle plate with blow holes and the bristle, and the periphery of the bristle is aprotective rubber dust edge.
Description
Technical field
The utility model relates to a kind of blackboard eraser, relates in particular to the blackboard eraser of a kind of energy dust suction.
Background technology
We know that the blackboard eraser of present usefulness does not all have dust-absorbing function, and that can do when erasing the board stirs up a cloud of dust, and can make teachers suck a large amount of chalk dusts in teaching, therefore have many teachers to suffer from PUD D.
Summary of the invention
The utility model for overcome existing existing blackboard examine can not dust suction shortcoming, a kind of have simple structure and dust-sucking eraser easy to use are provided.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of dust-sucking eraser comprises handle, shell, bristle, and described enclosure is a cavity, and an end of shell is the dust catcher interface, and cavity communicates with the dust catcher interface, and the bottom of cavity is the dividing plate that has pore and bristle, and the periphery of bristle is for protecting the dirt outer.
In technique scheme, the material that protects the dirt outer is preferably rubber.
The beneficial effects of the utility model are: (1) this blackboard eraser not only can be used as dust-sucking eraser, uses but also can work as common blackboard eraser; (2) existing blackboard eraser and dust catcher commonly used are coupled together, it is comparatively economical that it is used; (3) make teacher in the process of teaching, needn't be subjected to the interference of chalk dust again.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model;
Fig. 2 is a plan structure schematic diagram of the present utility model;
Fig. 3 is a polycrystalline substance schematic diagram of the present utility model.
Among the figure, 1, dirt device interface, 2, cavity, 3, handle, 4, shell, 5, protect the dirt outer, 6, bristle, 7, pore, 8, dividing plate.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, the handle 3 of dust-sucking eraser is connected with shell 4, and shell 4 is made the cavity 2 of hollow, and an end perforate of shell 4 also connects the dust catcher interface 1 that an energy is connected with dust catcher; Among Fig. 3, the bottom of cavity is a dividing plate 8, and this dividing plate 8 has several passages 7 and with bristle 6, the effect of passage 7 is to make chalk dust enter dust catcher.Protect dirt outer 5 at the edge of bristle 6, its effect is to prevent that the chalk foam of being wiped by bristle from flying away.
Want to make this blackboard eraser operate as normal also a dust catcher must be arranged, this dust catcher is connected with dust-sucking eraser by suitable pipe.
Claims (2)
1. dust-sucking eraser, comprise handle (3), shell (4), bristle (6), it is characterized in that, described shell (4) inside is cavity (2), one end of shell (4) has dust catcher interface (1), cavity (2) communicates with dust catcher interface (1), and the bottom of cavity (2) is for having the dividing plate (8) of pore (7) and bristle (6), and the periphery of bristle (6) is for protecting dirt outer (5).
2. dust-sucking eraser according to claim 1 is characterized in that, the described dirt outer (5) of protecting is elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200264606U CN201415572Y (en) | 2009-06-01 | 2009-06-01 | Dust-absorbing blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200264606U CN201415572Y (en) | 2009-06-01 | 2009-06-01 | Dust-absorbing blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201415572Y true CN201415572Y (en) | 2010-03-03 |
Family
ID=41791983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200264606U Expired - Fee Related CN201415572Y (en) | 2009-06-01 | 2009-06-01 | Dust-absorbing blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201415572Y (en) |
-
2009
- 2009-06-01 CN CN2009200264606U patent/CN201415572Y/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: 20100303 Termination date: 20100601 |