CN2611166Y - Sharpening-free pencil - Google Patents
Sharpening-free pencil Download PDFInfo
- Publication number
- CN2611166Y CN2611166Y CN 03243955 CN03243955U CN2611166Y CN 2611166 Y CN2611166 Y CN 2611166Y CN 03243955 CN03243955 CN 03243955 CN 03243955 U CN03243955 U CN 03243955U CN 2611166 Y CN2611166 Y CN 2611166Y
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- CN
- China
- Prior art keywords
- stem
- pen
- core
- pencil
- pen core
- 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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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
A sharpening free pencil relates to the writing stationery technical field and comprises a pen core, a pen tube provided with a pen core outlet opening, wherein, the pen tube is connected with the core column arranged inside the pen tube through screws, the end of the core column facing the pen core outlet opening is provided with the pen core. Compared with the prior art, the sharpening free pencil can conveniently and speedily adjust and fix the extension of the pencil core, and each pencil core can be used until with only few mms which saves the material.
Description
Technical field
The utility model relates to the Writing instrument technical field, especially a kind of extensible pencil.
Background technology
At present, traditional wooden pencil structure is to clamp lead for retractable pencil with timber, during use, timber is pruned, and exposes the lead for retractable pencil point and writes, and influences health like this, also breaks lead for retractable pencil easily, and uses when being left several centimetres, have to abandon because of writing inconvenience, causes waste.For this reason, people have invented and have been excused from a college course pencil, as the push type pencil, lead for retractable pencil are placed directly in the pen container, can send pen core by pushing, but its structure is comparatively complicated, and lead for retractable pencil is satiny, very thin, a little firmly writes, pen core will fracture or the indentation pen container in.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, can easily regulate lead for retractable pencil length and the fixing pencil of being excused from a college course.
In order to address the above problem, the scheme that the utility model adopts is: comprise pen core and be provided with the pen container that pen core exports, described pen container is connected with dress stem stem within it by screw thread, and this stem stem is equipped with described pen core towards an end of pen core outlet.
Above-mentioned stem stem one end stretches out outside the described pen container, and the other end is provided with the hole, and an end of described pen core inserts in this hole.
Above-mentioned stem stem is provided with the multi-turn external screw thread, and described pen container inner surface is provided with the internal thread that is less than a circle; Above-mentioned pen container inner surface has the multi-turn internal thread, and described stem stem is provided with the external screw thread that is less than a circle.
Owing to adopted such scheme the utility model compared with prior art to have following beneficial effect be:
1, can regulate the stretching out of lead for retractable pencil, indentation quickly and easily.
2, because pen container and stem stem are by being threaded, and when firmly writing, stem stem can not move yet, and every pen core can be used and only economizes several millimeters, the saving material.
3, simple in structure, cost is low.
Description of drawings
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing example structure of the present utility model is described in further detail:
Among Fig. 1, the embodiment shown in Figure 2, this extensible pencil comprises pen container 2 and the pen core 4 that is provided with the pen core outlet, and pen container 2 is connected with the stem stem of adorning within it 1 by screw thread, stem stem 1 outer surface is provided with multi-turn screw thread 3, stem stem 1 one ends stretch out outside the pen container 2, and the other end is provided with hole 5, in pen core 4 inserting holes 5.
During use, with stem stem 1 precession in pen container 2, pen core 4 parts that are inserted in the core pole hole 5 will be sent pen container 2, stem stem 1 outer surface thread 3 and the interlock mutually of the pen cap 2 internal threads, and stem stem 1 is fixing, can write; After using up, rotation stem stem 1, pen core 4 is got back in the pen container 2, can not fractureed.
Claims (4)
1, a kind of extensible pencil comprises pen core and is provided with the pen container that pen core exports, and it is characterized in that: described pen container is connected with dress stem stem within it by screw thread, and this stem stem is equipped with described pen core towards an end of pen core outlet.
2, extensible pencil according to claim 1 is characterized in that: described stem stem one end stretches out outside the described pen container, and the other end is provided with the hole, and an end of described pen core inserts in this hole.
3, extensible pencil according to claim 1 and 2 is characterized in that: described stem stem is provided with the multi-turn external screw thread, and described pen container inner surface is provided with the internal thread that is less than a circle.
4, extensible pencil according to claim 1 and 2 is characterized in that: described pen container inner surface has the multi-turn internal thread, and described stem stem is provided with the external screw thread that is less than a circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03243955 CN2611166Y (en) | 2003-04-07 | 2003-04-07 | Sharpening-free pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03243955 CN2611166Y (en) | 2003-04-07 | 2003-04-07 | Sharpening-free pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2611166Y true CN2611166Y (en) | 2004-04-14 |
Family
ID=34169136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03243955 Expired - Fee Related CN2611166Y (en) | 2003-04-07 | 2003-04-07 | Sharpening-free pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2611166Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215574A (en) * | 2018-02-01 | 2018-06-29 | 肖学军 | A kind of multi-functional environment-protection pen |
-
2003
- 2003-04-07 CN CN 03243955 patent/CN2611166Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215574A (en) * | 2018-02-01 | 2018-06-29 | 肖学军 | A kind of multi-functional environment-protection pen |
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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 |