CN201109281Y - Novel chalk case - Google Patents
Novel chalk case Download PDFInfo
- Publication number
- CN201109281Y CN201109281Y CNU2007201442601U CN200720144260U CN201109281Y CN 201109281 Y CN201109281 Y CN 201109281Y CN U2007201442601 U CNU2007201442601 U CN U2007201442601U CN 200720144260 U CN200720144260 U CN 200720144260U CN 201109281 Y CN201109281 Y CN 201109281Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- inner sleeve
- sleeve
- utility
- model
- 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
- 230000000295 complement effect Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a novel chalk box, which is composed of an outer sleeve, an inner sleeve and a base seat. The inner sleeve is provided with thread, a thread slot on the outer sleeve is matched with the thread of the inner sleeve, the inner sleeve is connected with the base seat, and the base seat is provided with a chalk fixation sleeve clamp used for assembling chalks. When in use, the chalks are firstly arranged and fixed in the chalk fixation sleeve clamp, and then the base seat is rotated, so as to drive the chalks to extend out of the outer sleeve; when not in use, the base seat is reversely rotated, and the chalks are drawn back. The novel chalk box has the advantages of simple structure, convenience and practicability, and can reduce the contact between the chalk and the hands, thereby being clean and health.
Description
Technical field
The utility model relates to writing appliance, is specially a kind of chalk holder that uses rotary box body.
Background technology
When writing with chalk, hand directly with contact, be stained with chalk dust on hand, influence sanitation and hygiene.If when breaking chalk or chalk and write totally accidentally, often remaining chalk is given it up again, cause waste.
The utility model content
The technical problem that the utility model solved is to provide a kind of novel chalk box, and this chalk holder is simple and practical.
The technical problem that the utility model solved can realize by the following technical solutions:
The novel chalk box, inner sleeve that comprises outer sleeve, matches with outer sleeve and the base that is connected with inner sleeve, it is characterized in that, described inner sleeve is provided with screw thread, the thread groove that described outer sleeve car has the screw thread with inner sleeve to be complementary, described base are furnished with fixedly cartridge clip of a chalk that is complementary with the chalk radius.
Using method of the present utility model is: chalk is fixed in chalk fixedly in the cartridge clip, and by rotating base, chalk can stretch out in box.
Beneficial effect: the utility model is simple in structure, and is convenient and practical, can reduce contacting of chalk and hand, sanitation and hygiene, and chalk has outer sleeve protection, not frangibility.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, the novel chalk box is made of inner sleeve 1, outer sleeve 2, base 3.Inner sleeve 1 is provided with screw thread 11, and the thread groove 21 on the outer sleeve 2 is complementary with the screw thread 11 of inner sleeve 1, and inner sleeve 1 is connected with base 3, and base 3 is furnished with fixedly cartridge clip (not shown) of a chalk, is used to assemble chalk.
During use, earlier chalk is mounted on fixedly cartridge clip of chalk, rotating base drives chalk and stretches out from outer sleeve then; When not using, reverse rotation base, chalk withdrawal.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. novel chalk box, inner sleeve that comprises outer sleeve, matches with outer sleeve and the base that is connected with inner sleeve, it is characterized in that, described inner sleeve is provided with screw thread, the thread groove that described outer sleeve car has the screw thread with inner sleeve to be complementary, described base are furnished with fixedly cartridge clip of a chalk that is complementary with the chalk radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201442601U CN201109281Y (en) | 2007-10-26 | 2007-10-26 | Novel chalk case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201442601U CN201109281Y (en) | 2007-10-26 | 2007-10-26 | Novel chalk case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201109281Y true CN201109281Y (en) | 2008-09-03 |
Family
ID=39893801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201442601U Expired - Fee Related CN201109281Y (en) | 2007-10-26 | 2007-10-26 | Novel chalk case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201109281Y (en) |
-
2007
- 2007-10-26 CN CNU2007201442601U patent/CN201109281Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |