CN203805593U - Dust collecting chalk eraser - Google Patents
Dust collecting chalk eraser Download PDFInfo
- Publication number
- CN203805593U CN203805593U CN201420202873.6U CN201420202873U CN203805593U CN 203805593 U CN203805593 U CN 203805593U CN 201420202873 U CN201420202873 U CN 201420202873U CN 203805593 U CN203805593 U CN 203805593U
- Authority
- CN
- China
- Prior art keywords
- dust
- exhaust apparatus
- chalk eraser
- dust collecting
- eraser
- 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
Abstract
The utility model discloses a dust collecting chalk eraser which comprises bristles and an eraser board. The dust collecting chalk eraser is characterized in that the eraser board comprises a vacuum pipe, a dust collecting device and a battery, the dust collecting device is electrically connected with the battery, and the vacuum pipe is connected with the dust collecting device. When the chalk eraser is used for erasing chalk words, spread dust can be effectively reduced, the class environment is greatly improved for students and teachers, and the dust collecting chalk eraser is an improvement in the society.
Description
Technical field
The utility model relates to educational aid, relates in particular to a kind of dust absorbnig chalk eraser.
Background technology
Chalk is cheap because of it, easy to use, and has compared with strong practicality and become the educational aid that school commonly uses the most, but will have a strong impact on the healthy of student and teacher because chalk can produce a large amount of dust in use.In view of this, the micronic dust and the dust-free chalk that in recent years produce are to reduce dust from flying by adding 107 glue substantially, but disappear because of gluing when wiping, also can produce dust.Therefore how reducing the dust producing in teaching process is a very important problem.
Thereby prior art need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of dust absorbnig chalk eraser, can effectively prevent in the time of wiping chalk writings, produces the problem of dust.
In order to achieve the above object, the utility model has been taked following technical scheme:
A kind of dust absorbnig chalk eraser, comprises bristle and brush board, and described brush board comprises vacuum tube, dust exhaust apparatus, battery; Described dust exhaust apparatus is electrically connected with battery; Described vacuum tube is connected with described dust exhaust apparatus.
In described dust absorbnig chalk eraser, described dust exhaust apparatus comprises fan, dust storage tank; Described fan assembly, between vacuum tube and dust storage tank, and is connected with battery.
Described dust absorbnig chalk eraser, also comprises switch, for controlling the keying of described dust exhaust apparatus.
In described dust absorbnig chalk eraser, described switch is hilted broadsword formula switch.
In described dust absorbnig chalk eraser, described switch is press-type switch.
Compared to prior art, a kind of dust absorbnig chalk eraser that the utility model provides, can be in the time carrying out wiping to chalk writings, and the unrest that can effectively reduce dust flies, and student and teacher's the environment of attending class is greatly improved, time society a much progress.
Brief description of the drawings
The structured flowchart of brush board in the dust absorbnig chalk eraser that Fig. 1 provides for the utility model.
Detailed description of the invention
The utility model provides a kind of dust absorbnig chalk eraser, for making the purpose of this utility model, technical scheme and effect clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, the structured flowchart of brush board in its dust absorbnig chalk eraser providing for the utility model.As shown in Figure 1, described dust absorbnig chalk eraser comprises bristle and brush board, and described brush board comprises vacuum tube 100, dust exhaust apparatus 200, battery 300.Described dust exhaust apparatus 200 is electrically connected with battery 300, and described vacuum tube 100 is connected with described dust exhaust apparatus 200.
Wherein, described battery 300 is for powering to described dust exhaust apparatus 200; Described dust exhaust apparatus 200 for by vacuum tube 100 from sucking chalk dust, and described chalk dust is stored, conveniently pour out.In the time that dust exhaust apparatus 200 is worked, described vacuum tube 100 is delivered to described dust exhaust apparatus 200 for the chalk dust that absorbs outside, after wiping, chalk dust is taken out from described dust exhaust apparatus 200, outwells or recycles.
Further, in force, described dust exhaust apparatus 200 comprises fan, dust storage tank, and described fan assembly, between vacuum tube 100 and dust storage tank, is sent dust storage tank to for vacuum tube 100 is inhaled to the chalk dust sending.
Preferably, in the present embodiment, described dust absorbnig chalk eraser also comprises switch 400, and described switch 400 is for controlling the keying of described dust exhaust apparatus 200.In the time wanting to use described dust exhaust apparatus 200, only need opening switch.Switch 400 described herein is hilted broadsword formula.
Further, the utility model provides another preferred embodiment, and described switch 400 is press-type switch, in the time that blackboard eraser presses blackboard, starts dust exhaust apparatus 200.
Be understandable that; for those of ordinary skills; can be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the utility model.
Claims (5)
1. a dust absorbnig chalk eraser, comprises bristle and brush board, it is characterized in that, described brush board comprises vacuum tube, dust exhaust apparatus, battery; Described dust exhaust apparatus is electrically connected with battery; Described vacuum tube is connected with described dust exhaust apparatus.
2. dust absorbnig chalk eraser according to claim 1, is characterized in that, described dust exhaust apparatus comprises fan, dust storage tank; Described fan assembly, between vacuum tube and dust storage tank, and is connected with battery.
3. dust absorbnig chalk eraser according to claim 2, is characterized in that, also comprises switch, for controlling the keying of described dust exhaust apparatus.
4. dust absorbnig chalk eraser according to claim 3, is characterized in that, described switch is hilted broadsword formula switch.
5. dust absorbnig chalk eraser according to claim 3, is characterized in that, described switch is press-type switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202873.6U CN203805593U (en) | 2014-04-24 | 2014-04-24 | Dust collecting chalk eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202873.6U CN203805593U (en) | 2014-04-24 | 2014-04-24 | Dust collecting chalk eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805593U true CN203805593U (en) | 2014-09-03 |
Family
ID=51444391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420202873.6U Expired - Fee Related CN203805593U (en) | 2014-04-24 | 2014-04-24 | Dust collecting chalk eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203805593U (en) |
-
2014
- 2014-04-24 CN CN201420202873.6U patent/CN203805593U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150424 |
|
| EXPY | Termination of patent right or utility model |