CN201483946U - Automatic pencil with thick core for drawing - Google Patents
Automatic pencil with thick core for drawing Download PDFInfo
- Publication number
- CN201483946U CN201483946U CN2009201434125U CN200920143412U CN201483946U CN 201483946 U CN201483946 U CN 201483946U CN 2009201434125 U CN2009201434125 U CN 2009201434125U CN 200920143412 U CN200920143412 U CN 200920143412U CN 201483946 U CN201483946 U CN 201483946U
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- CN
- China
- Prior art keywords
- penholder
- core
- pencil
- sleeve pipe
- elastomeric layer
- 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
The utility model relates to a writing tool, in particular to an automatic pencil with a thick core for drawing. An elastic material layer is covered on the inner wall surface of a penholder, the pencil core is arranged in a cavity formed by the elastic material layer, and the inside diameter of the cavity is less than the outside diameter of the pencil core; and the rear section of the penholder is sleeved with a sleeve capable of moving forwards and backwards, and an ejection rod for pushing the pencil core to advance is arranged in the sleeve. The pencil core of the automatic pencil is totally wrapped in the penholder, the sleeve is screwed or pressed down to drive the ejection rod to move forwards so as to eject a section of the pencil core from the penholder, and the rest part of the pencil core is still protected by the penholder, so even the soft pencil core cannot be broken off.
Description
Technical field
The utility model relates to a kind of writing implement, especially a kind of thick core propelling pencil of the usefulness of painting.
Background technology
The pencil that professional such as the fine arts, drawing is used is mostly based on Wood-bar pencil.Wood-bar pencil can be selected the soft durometer of lead for retractable pencil as required, and to write drawing effect good because of it, thereby very popular.But it is wooden to prune with cutter when Wood-bar pencil uses, and the sharpening lead for retractable pencil is cumbersome, and also bigger to the consumption of timber.And existing propelling pencil on the market, general core diameter is between 0.5-0.9mm, and because core diameter is meticulous, intensity is low, frangibility, and the handwriting thickness of writing, paint can not change during use, and especially effect is very undesirable for professionals such as the fine arts, drawing.Although also some patent has been mentioned some and has been used the propelling pencil of thick core; mostly only rest in theory; do not pass through practice test; less for the argillaceous composition; the softer pen core of quality is special protection in addition not; be easy to fracture, cause unnecessary trouble, so do not occur a kind of thick core propelling pencil of real maturation on the market to the user.
Summary of the invention
In order to address the above problem, the utility model provides a kind of thick core propelling pencil of the usefulness of painting, and not only pen core is easy to adjust, can also effectively protect pen core not fractureed.
Technical solutions of the utility model are: the thick core propelling pencil of drawing usefulness, comprise a hollow penholder and pen core, described penholder inner wall surface is coated with elastomeric layer, described pen core is installed in the cavity that is formed by described elastomeric layer, and the internal diameter of described cavity is less than the external diameter of described pen core; Described penholder back segment is set with a sleeve pipe that can move forward and backward, and is provided with one in the described sleeve pipe and is used to promote the push rod that described pen core advances.
In the such scheme, described penholder cylindrical is provided with external screw thread, and described internal surface of sleeve pipe is provided with corresponding internal thread, and the two connects by spiral, the purpose that described sleeve pipe moves forward and backward by the rotation realization.
Another kind of scheme is, described penholder cylindrical is surrounded by elastomeric layer, and the external diameter of described elastomeric layer is greater than the internal diameter of cannula cavity, and described sleeve pipe connects with described penholder by the damping of elastomeric layer.
The utility model principle is; because pen core of the present utility model is all to be wrapped in the penholder; need just pass through spiral or press setting of casing with what; the reach of drive push rod; thereby pen core is ejected one section from penholder; and the remainder of pen core still is subjected to the protection of penholder, and therefore soft again pen core can not fractureed yet.
The beneficial effects of the utility model are: the utility model is drawn materials easily, makes simply, and is convenient and practical,, promptly reduced resource consumption, saved a large amount of timber, improved writing quality and effect again, can be widely used in study and work.
Description of drawings:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the profile of the utility model embodiment one,
Fig. 2 is the profile of the utility model embodiment two.
The specific embodiment:
Embodiment one: referring to Fig. 1, the thick core propelling pencil of drawing usefulness comprises a hollow penholder 1 and pen core 2, and penholder 1 inner wall surface is coated with elastomeric layer, pen core 2 is installed in the cavity that is formed by described elastomeric layer, and the internal diameter of described cavity is less than the external diameter of pen core 2; Penholder 1 back segment is set with a sleeve pipe that can move forward and backward 3, is provided with one in the sleeve pipe 3 and is used to promote the push rod 4 that pen core 2 advances, and push rod 4 can directly be fixed on sleeve pipe 3 bottom surfaces, perhaps connects with sleeve pipe 3 by at push rod 4 afterbodys gag being set.Penholder 1 cylindrical is provided with external screw thread 5, and sleeve pipe 3 inwalls are provided with corresponding internal thread, and the two connects by spiral, the purpose that sleeve pipe 3 moves forward and backward by the rotation realization.
Embodiment two: referring to Fig. 2, penholder 1 cylindrical is surrounded by elastomeric layer 6, and the external diameter of elastomeric layer 6 is greater than the internal diameter of sleeve pipe 3 inner chambers, and sleeve pipe 3 connects with penholder 1 by the damping of elastomeric layer 6, and other structures are identical with embodiment one.
Claims (3)
1. the thick core propelling pencil of the usefulness of painting, comprise a hollow penholder and pen core, it is characterized in that described penholder inner wall surface is coated with elastomeric layer, described pen core is installed in the cavity that is formed by described elastomeric layer, and the internal diameter of described cavity is less than the external diameter of described pen core; Described penholder back segment is set with a sleeve pipe that can move forward and backward, and is provided with one in the described sleeve pipe and is used to promote the push rod that described pen core advances.
2. according to the thick core propelling pencil of the described drawing usefulness of claim 1, it is characterized in that described penholder cylindrical is provided with external screw thread, and described internal surface of sleeve pipe is provided with corresponding internal thread, the two connects by spiral, the purpose that described sleeve pipe moves forward and backward by the rotation realization.
3. according to the thick core propelling pencil of the described drawing usefulness of claim 1, it is characterized in that described penholder cylindrical is surrounded by elastomeric layer, the external diameter of described elastomeric layer is greater than the internal diameter of cannula cavity, and described sleeve pipe connects with described penholder by the damping of elastomeric layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201434125U CN201483946U (en) | 2009-03-19 | 2009-03-19 | Automatic pencil with thick core for drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201434125U CN201483946U (en) | 2009-03-19 | 2009-03-19 | Automatic pencil with thick core for drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201483946U true CN201483946U (en) | 2010-05-26 |
Family
ID=42422844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201434125U Expired - Fee Related CN201483946U (en) | 2009-03-19 | 2009-03-19 | Automatic pencil with thick core for drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201483946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089072A (en) * | 2017-03-23 | 2017-08-25 | 岑溪市拓丰科技发展有限公司 | A kind of cutting-free pencil penholder |
-
2009
- 2009-03-19 CN CN2009201434125U patent/CN201483946U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089072A (en) * | 2017-03-23 | 2017-08-25 | 岑溪市拓丰科技发展有限公司 | A kind of cutting-free pencil penholder |
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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: 20100526 Termination date: 20110319 |