CN202742872U - Dust suction chalk sleeve - Google Patents
Dust suction chalk sleeve Download PDFInfo
- Publication number
- CN202742872U CN202742872U CN 201220267712 CN201220267712U CN202742872U CN 202742872 U CN202742872 U CN 202742872U CN 201220267712 CN201220267712 CN 201220267712 CN 201220267712 U CN201220267712 U CN 201220267712U CN 202742872 U CN202742872 U CN 202742872U
- Authority
- CN
- China
- Prior art keywords
- chalk
- sleeve
- dust
- sleeve body
- dust suction
- 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 suction chalk sleeve, which comprise a sleeve body (1), and is characterized in that a slideway is arranged on the sleeve body (1), and a controller with a snap ring inside is arranged on the slideway; the controller can control the length of a chalk, and a non-slip chopping board (2) is also arranged on the sleeve body (1); and one end of the non-slip chopping board (2) is connected with a power supply button of a vacuum (3) inside the sleeve body (1). The dust suction chalk sleeve provided by the utility model has the following beneficial effects that 1, the dust falling is reduced, the injury of dust to the human body is reduced, and simultaneously the pollution of dust to the environment and clothing is reduced; 2, breaking of the chalk is avoided in a use process, and the waste is reduced.
Description
Technical field
The utility model relates to a kind of chalk sleeve, more particularly, relates to a kind of dust suction chalk sleeve.
Background technology
For a long time, teacher says and adopts chalk on blackboard described content to be carried out record class hour.Chalk produces a large amount of dust in the process of using, health is exerted an influence, simultaneously also to environment; And existing chalk in use easily fractureed, thereby causes waste.
Summary of the invention
The utility model is for the proposition of above problem, and develops a kind of dust suction chalk sleeve.
The invention provides a kind of dust suction chalk sleeve, comprise sleeve body, it is characterized in that, be provided with slideway on the sleeve body, be provided with the inside of control chalk length on the slideway with the controller of snap ring, also be provided with antiskid kneading board on the sleeve body, the power knob of the dust catcher of an end adapter sleeve cylindrical shell inside of antiskid kneading board.
Preferably, the diameter of sleeve body reduces gradually from an end to the other end, and dust catcher is arranged at the larger end of diameter of sleeve body.
Implement the dust suction chalk sleeve that the utility model provides, have following beneficial effect: 1, reduce dust and drop, alleviate dust to the injury of human body, alleviate simultaneously dust to the pollution of environment and clothing; 2, avoid chalk in use to fracture, cut the waste.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model dust suction chalk sleeve.
Among the figure: 1, sleeve body; 2, antiskid kneading board; 3, dust catcher.
The specific embodiment
The utility model provides a kind of dust suction chalk sleeve, and Fig. 1 is the structural representation of an embodiment of the utility model dust suction chalk sleeve, as shown in the figure.The dust suction chalk sleeve comprises sleeve body 1, antiskid kneading board 2, dust catcher 3, slideway and controller.Be provided with slideway on the sleeve body 1, be provided with the inside of control chalk length on the slideway with the controller of snap ring.When packing chalk into, an end of chalk is stuck in the snap ring of controller, chalk exposes to the length of chalk sleeve and can regulate, according to the requirement of writing the people, by adjustment control slidable adjustment chalk protruded length back and forth on slideway.When chalk in the process of using, when length reduces, also can be by adjustment control slidable adjustment chalk length back and forth on slideway, thereby guarantee that chalk end also can be used.Also be provided with antiskid kneading board 2 on the sleeve body 1, an end adapter sleeve cylindrical shell 1 of antiskid kneading board 2, the power knob of the dust catcher 3 of other end adapter sleeve cylindrical shell 1 inside.When bringing into use chalk to write, write the dust catcher 3 that the people can open in the sleeve body by pressing antiskid kneading board 2, dust catcher 3 work absorb the chalk dust that produces in the writing process.Thereby reduce actual bodily harm and the environmental pollution of chalk dust to writing the people.
As preferred version, the diameter of the sleeve body 1 of dust suction chalk sleeve of the present utility model reduces gradually from an end to the other end, and dust catcher 3 is arranged at the larger end of diameter of sleeve body 1.When packing chalk into, an end of chalk is stuck in the snap ring of controller, chalk exposes to the length of chalk sleeve and can regulate, according to the requirement of writing the people, by adjustment control slidable adjustment chalk protruded length back and forth on slideway.When chalk in the process of using, when length reduces, also can be by adjustment control slidable adjustment chalk length back and forth on slideway, thereby guarantee that chalk end also can be used.Also be provided with antiskid kneading board 2 on the sleeve body 1, an end adapter sleeve cylindrical shell 1 of antiskid kneading board 2, the power knob of the dust catcher 3 of other end adapter sleeve cylindrical shell 1 inside.When bringing into use chalk to write, write the dust catcher 3 that the people can open in the sleeve body by pressing antiskid kneading board 2, dust catcher 3 work absorb the chalk dust that produces in the writing process.Thereby reduce actual bodily harm and the environmental pollution of chalk dust to writing the people.
The above; it only is the better specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the present utility model.
Claims (2)
1. dust suction chalk sleeve, comprise sleeve body (1), it is characterized in that, be provided with slideway (4) on the sleeve body (1), be provided with the inside of control chalk length on the slideway (4) with the controller (5) of snap ring, also be provided with antiskid kneading board (2) on the sleeve body (1), the power knob of the dust catcher (3) that an end adapter sleeve cylindrical shell (1) of antiskid kneading board (2) is inner.
2. dust suction chalk sleeve according to claim 1 is characterized in that, the diameter of sleeve body (1) reduces gradually from an end to the other end, and dust catcher (3) is arranged at the larger end of diameter of sleeve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220267712 CN202742872U (en) | 2012-06-07 | 2012-06-07 | Dust suction chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220267712 CN202742872U (en) | 2012-06-07 | 2012-06-07 | Dust suction chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202742872U true CN202742872U (en) | 2013-02-20 |
Family
ID=47702316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220267712 Expired - Fee Related CN202742872U (en) | 2012-06-07 | 2012-06-07 | Dust suction chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202742872U (en) |
-
2012
- 2012-06-07 CN CN 201220267712 patent/CN202742872U/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: 20130220 Termination date: 20130607 |