CN202079954U - Conveniently retractable ball-point pen - Google Patents
Conveniently retractable ball-point pen Download PDFInfo
- Publication number
- CN202079954U CN202079954U CN2011200537901U CN201120053790U CN202079954U CN 202079954 U CN202079954 U CN 202079954U CN 2011200537901 U CN2011200537901 U CN 2011200537901U CN 201120053790 U CN201120053790 U CN 201120053790U CN 202079954 U CN202079954 U CN 202079954U
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- China
- Prior art keywords
- spring
- pen
- diameter
- penholder
- saddle
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- 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 conveniently retractable ball-point pen. The ball-point pen comprises a pen holder and a spring assembly, wherein a limiting groove of a certain shape is formed in the middle of the pen holder; the spring assembly includes a sliding member, a sliding button and a spring; the sliding member is shaped as a circular ring; the inner diameter of the sliding member is slightly greater than the diameter of a refill while the outer diameter thereof is slightly less than the inner diameter of the pen holder; the sliding button is fixed with the side surface of the sliding member and perpendicular to the same, such forming a cylinder; the sliding button has certain elasticity; the diameter of the sliding button is slightly less than the width of the upper end and the lower end of the limiting groove, and the sliding button can slide upwards or downwards along the limiting groove; the refill passes through the sliding member and limits the spring between the lower end of the pen holder and a bulge of the refill. The refill is controlled to spring out of or to retract into the pen holder by upward or downward slide of the sliding button in the limiting groove; the conveniently retractable ball-point pen disclosed by the utility model is simple in structure, convenient in operation, and hard in damage.
Description
Technical field
The utility model relates to a kind of stationery, especially a kind of just telescopic ball-point pen.
Background technology
Pen is a human invention greatly, is for writing or the instrument of the usefulness of painting.How will have the solid of color or liquid (ink) on paper or other surface of solids drafting symbol or pictures by nib, also there is the big characteristic of hardness ratio writing surface of utilizing the solid nib to carve symbol or picture on the surface, what generally use now is signature pen and ball pen, drawing artistic draft and use pencil with drawing more, is one of necessity of routine office work, study.
A kind of Pop-up ball pen inside in the market is provided with spring assembly and ejects writing by the button control pen core of being located at the penholder top, and time spent not with pen core indentation penholder in protection.But, cause inconvenient operation because of its button is in the penholder top; And the spring assembly structure is complicated, damages easily.
The utility model content
Present Pop-up ball pen spring assembly complex structure damages easily and button is in the problem that inconvenient operation is caused on the penholder top in order to solve, the utility model provides a kind of just telescopic ball-point pen, it is with the spring assembly structure optimization and place the penholder middle part, efficiently solves the problems referred to above.
In order to realize that the technical scheme that the utility model purpose is adopted is: a kind of just telescopic ball-point pen is characterized in that: it is made of penholder, spring assembly.
Described penholder middle part is provided with
The shape stopper slot.
Described spring assembly comprises saddle, slider and spring, and saddle becomes the torus shape, and internal diameter is big slightly than the pen core diameter, and external diameter is slightly little than the penholder internal diameter; Slider is fixed with the saddle side and is vertical mutually, becomes cylindrical shape, has certain elasticity, and its diameter is slightly little than stopper slot upper and lower side width, can slide up and down along stopper slot; Pen core passes saddle and spring is limited between penholder lower end and the pen core projection.
The beneficial effects of the utility model are: control the pen core ejection or take in penholder sliding up and down of stopper slot by slider, and simple in structure, easy to operate, not fragile, be applicable to that most of Pop-up ball pens use colony.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the utility model structural representation
Fig. 2 is the penholder structure chart
Fig. 3 is the saddle structure chart
1-penholder, 2-saddle, 3-stopper slot, 4-slider, 5-pen core among the figure.
The specific embodiment
In Fig. 1, Fig. 2, first embodiment shown in Figure 3, a kind of just telescopic ball-point pen is characterized in that: it is made of penholder (1), spring assembly; Described penholder (1) middle part is provided with
Shape stopper slot (3); Described spring assembly comprises saddle (2), slider (4) and spring, and saddle (2) becomes the torus shape, and internal diameter is big slightly than pen core (5) diameter, and external diameter is slightly little than penholder (1) internal diameter; Slider (4) is fixed with saddle (2) side and is vertical mutually, becomes cylindrical shape, has certain elasticity, and its diameter is slightly little than stopper slot (3) upper and lower side width, can slide up and down along stopper slot (3); Pen core (5) passes saddle (2) and spring is limited between penholder (1) lower end and pen core (5) projection.
In Fig. 1, Fig. 2, second embodiment shown in Figure 3, slider (4) slides to the lower end from stopper slot (3) upper end under external force, in this process, slider (4) is in free state at first, and state is compressed and affranchises when sliding to the lower end during through narrower zone, stopper slot (3) middle part; The saddle (2) that links to each other with slider (4) simultaneously moves downward thereupon and drives the pen core (5) that runs through saddle (2) and moves downward, the compression spring, and pen core (5) exposes penholder to write.Finish using, slider (4) is slided go back to stopper slot (3) upper end, saddle (2) and pen core (5) move upward thereupon, and pen core (5) takes in penholder, the spring state that affranchises.
Claims (1)
1. just telescopic ball-point pen, it is characterized in that: it is made of penholder (1), spring assembly; Described penholder (1) middle part is provided with stopper slot (3); Described spring assembly comprises saddle (2), slider (4) and spring, and saddle (2) becomes the torus shape, and internal diameter is big slightly than pen core (5) diameter, and external diameter is slightly little than penholder (1) internal diameter; Slider (4) is fixed with saddle (2) side and is vertical mutually, becomes cylindrical shape, has certain elasticity, and its diameter is slightly little than stopper slot (3) upper and lower side width, can slide up and down along stopper slot (3); Pen core (5) passes saddle (2) and spring is limited between penholder (1) lower end and pen core (5) projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200537901U CN202079954U (en) | 2011-03-02 | 2011-03-02 | Conveniently retractable ball-point pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200537901U CN202079954U (en) | 2011-03-02 | 2011-03-02 | Conveniently retractable ball-point pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202079954U true CN202079954U (en) | 2011-12-21 |
Family
ID=45340608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200537901U Expired - Fee Related CN202079954U (en) | 2011-03-02 | 2011-03-02 | Conveniently retractable ball-point pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202079954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848803A (en) * | 2012-10-15 | 2013-01-02 | 王元鸿 | Slidable type pen |
-
2011
- 2011-03-02 CN CN2011200537901U patent/CN202079954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848803A (en) * | 2012-10-15 | 2013-01-02 | 王元鸿 | Slidable type pen |
| CN102848803B (en) * | 2012-10-15 | 2014-08-20 | 青岛点石文具用品有限公司 | Slidable type pen |
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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: 20111221 Termination date: 20120302 |