CN201205814Y - Multi-function chalk casing - Google Patents
Multi-function chalk casing Download PDFInfo
- Publication number
- CN201205814Y CN201205814Y CNU2008200129385U CN200820012938U CN201205814Y CN 201205814 Y CN201205814 Y CN 201205814Y CN U2008200129385 U CNU2008200129385 U CN U2008200129385U CN 200820012938 U CN200820012938 U CN 200820012938U CN 201205814 Y CN201205814 Y CN 201205814Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- base
- tube body
- multifunctional
- sweat
- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 210000004243 sweat Anatomy 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 5
- 239000008187 granular material Substances 0.000 abstract 2
- 238000009937 brining Methods 0.000 abstract 1
- 238000010792 warming Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Pens And Brushes (AREA)
Abstract
The utility model relates to a multifunctional chalk cover, which comprises a hollow cylindrical tube body and a base; one end of the tube body is fixedly connected with the base, and a clamp valve is arranged 1cm away from the an opening at the other end thereof; sweat-absorbing granules are arranged at the outer surface of the tube body; both the base and the tube body are hollow-structured, and a heating device is arranged in a hollow cavity between the base and the tube body; and the internal diameter of the tube is larger than the diameter of a regular piece of chalk. When in use, a piece of chalk is arranged in the tube body, and the clamp valve is adjusted to fix the chalk, so as to facilitate writing; when the weather is cold, the heating device in the tube body and the base can be enabled to warm the hand; and when the multifunctional chalk cover is used in summer, the sweat-absorbing granules on the surface of the tube body can effectively absorb the sweat of a palm, thereby brining greater convenience to teachers in using the chalk. The multifunctional chalk cover has the advantages of simple structure, convenient use, reasonable structure, etc., and effectively solves the problems that the prior chalk cover has simplex function and fails to meet the need of people for use.
Description
Technical field the utility model relates to a kind of teaching aid, especially a kind of multifunctional chalk cover.
When background technology teacher writes writing on the blackboard on class, all be to hold chalk to write, hand closely contacts with chalk, and the time owing to the reasons such as material of chalk, can damage the skin at finger place after having grown; Though existing in the market chalk sleeve is sold, but existing chalk sleeve function singleness, the auxiliary function that does not have other, can not satisfy people's use needs, for example: in the time of cold weather, the teacher holds chalk sleeve and writes writing on the blackboard, can be because hand is ice-cold, and can not very write smoothly, brought inconvenience for the use of instructors.
The summary of the invention the purpose of this utility model has overcome above-mentioned said deficiency, and a kind of multifunctional chalk cover is provided, and is used to solve existing chalk sleeve function singleness, can not satisfy the problem that people use needs.
For achieving the above object, the utility model multifunctional chalk cover comprises hollow circuit cylinder body and base, and an end and the base of body are affixed; Be provided with the card valve at the other end apart from opening part 1cm place; Outer surface at body is provided with the absorbing sweat particle; Base and body are hollow structure, and are provided with heater in the hollow cavity of base and body; Heater is composed in series by heating plate, button cell and switch; Heating plate is positioned at the hollow cavity of body and base; The interior diameter of body is greater than the diameter of common chalk.
After adopting said structure, during use, chalk is placed body, regulate the card valve chalk is fixed, so that use when writing; If during cold weather, can enable the heater of body and base inside, to reach the effect of warming hand; If when use summer, the sweat at the adsorbable palm of the absorbing sweat particle place on body surface uses with convenient people.
The utility model has the advantages that: simple in structure, convenient and practical, structure has rationally solved existing chalk sleeve function singleness effectively, can not satisfy the problem that people use needs.
Description of drawings Fig. 1 is the overall structure schematic diagram of the utility model multifunctional chalk cover.
The specific embodiment as shown in Figure 1, the utility model multifunctional chalk cover comprises hollow circuit cylinder body 1 and base 2, an end and the base 2 of body 1 are affixed; Be provided with card valve 3 at the other end apart from opening part 1cm place; Outer surface at body 1 is provided with absorbing sweat particle 4; Base 2 and body 1 are hollow structure, and are provided with heater 5 in the hollow cavity of base 2 and body 1; Heater 5 is composed in series by heating plate, button cell and switch; Heating plate is positioned at the hollow cavity of body 1 and base 2; The interior diameter of body 1 is greater than the diameter of common chalk; During use, can earlier chalk be placed in the body 1, chalk is fixed in the body 1 and can conveniently use with card valve 3; If use during cold weather, also can enable base 2 and the interior heater 5 of body 1 hollow cavity, to reach the effect of warming hand; If use in the time of summer, the absorbing sweat particle 4 on body 1 surface can adsorb the sweat at palm place, brings greater convenience for teachers' use.
Claims (3)
1, a kind of multifunctional chalk cover comprises hollow circuit cylinder body (1) and base (2), it is characterized in that: an end of body (1) and base (2) are affixed; Be provided with card valve (3) at the other end apart from opening part 1cm place; Outer surface at body (1) is provided with absorbing sweat particle (4); Base (2) and body (1) are hollow structure, and are provided with heater (5) in the hollow cavity of base (2) and body (1).
2, a kind of multifunctional chalk cover according to claim 1, it is characterized in that: heater (5) is composed in series by heating plate, button cell and switch; Heating plate is positioned at the hollow cavity of body (1) and base (2).
3, a kind of multifunctional chalk cover according to claim 1, it is characterized in that: the interior diameter of body (1) is greater than the diameter of common chalk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200129385U CN201205814Y (en) | 2008-05-20 | 2008-05-20 | Multi-function chalk casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200129385U CN201205814Y (en) | 2008-05-20 | 2008-05-20 | Multi-function chalk casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201205814Y true CN201205814Y (en) | 2009-03-11 |
Family
ID=40464880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200129385U Expired - Fee Related CN201205814Y (en) | 2008-05-20 | 2008-05-20 | Multi-function chalk casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201205814Y (en) |
-
2008
- 2008-05-20 CN CNU2008200129385U patent/CN201205814Y/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: 20090311 |