CN202862895U - Freely retractable type pen - Google Patents
Freely retractable type pen Download PDFInfo
- Publication number
- CN202862895U CN202862895U CN 201220478626 CN201220478626U CN202862895U CN 202862895 U CN202862895 U CN 202862895U CN 201220478626 CN201220478626 CN 201220478626 CN 201220478626 U CN201220478626 U CN 201220478626U CN 202862895 U CN202862895 U CN 202862895U
- Authority
- CN
- China
- Prior art keywords
- pen
- pipe cap
- ink pipe
- main sleeve
- screw thread
- 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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Abstract
The utility model relates to a pen, in particular to a freely retractable type pen which comprises a pen body and an ink pipe cap. The freely retractable type pen is characterized in that the ink pipe cap is connected with a main sleeve through an internal screw thread. The main sleeve is connected with an auxiliary sleeve through an external screw thread. The freely retractable type pen has the advantages that the ink pipe cap is connected with the main sleeve through the internal screw thread, the lengths of the pen can be changed by slightly rotating the main sleeve, the auxiliary sleeve is further added outside the main sleeve, the auxiliary sleeve can be covered on screw threads exposed outside the ink pipe cap, and therefore the trouble of hurting the hand by the screw threads exposed outside the ink pipe cap is avoided.
Description
(1) technical field
The utility model relates to a kind of pen, particularly a kind of freely telescopic pen.
(2) background technology
Present pen, because simple in structure, function ratio is more single, many inconveniences are also arranged in use, as present students in middle and primary schools practise fountain pen word or when writing with pen pen holding posture be not standard very, general all is because the penholder of pen is oversize or short causing too, and the pen length under the prior art is nonadjustable, can't satisfy all users' needs.
(3) summary of the invention
The utility model provides a kind of simple in structure, easy to operate freely telescopic pen in order to remedy the deficiencies in the prior art.
The utility model is achieved by the following technical solution:
A kind of freely telescopic pen comprises handwriting and ink pipe cap, it is characterized in that: described ink pipe cap connects main sleeve pipe by internal thread, and main sleeve pipe is by external screw thread auxiliary connection sleeve pipe.
The beneficial effects of the utility model are: the ink pipe cap is threaded connection main sleeve pipe, rotates gently the length that main sleeve pipe can change pen; And main jacket application is provided with the secondary case pipe, and the secondary case pipe can cover the screw thread that the ink pipe cap exposes, and has avoided because the screw thread that the ink pipe cap exposes is hindered the trouble of hand.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 1 is structural representation of the present utility model;
Among the figure, 1 handwriting, 2 ink pipe caps, 3 internal threads, 4 main sleeve pipes, 5 external screw threads, 6 secondary case pipes.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises handwriting 1 and ink pipe cap 2, and ink pipe cap 2 connects main sleeve pipe 4 by internal thread 3, and main sleeve pipe 4 is by external screw thread 5 auxiliary connection sleeve pipes 6.
Adopt a kind of freely telescopic pen of the present utility model, according to user's needs, under the effect of internal thread 3, rotate main sleeve pipe 4, can carry out stepless elongating or shortening to the length of pen, reach user's demand; When because rotate main sleeve pipe 4, when the screw thread on the ink pipe cap 2 exposes, can be under the effect of external screw thread 5, revolute pair sleeve pipe 6, the screw thread that will expose covers, and has avoided because the screw thread that ink pipe cap 2 exposes is hindered the trouble of hand.Like this, can change arbitrarily the length of pen, can avoid again satisfying all users to the requirement of pen length because the screw thread that exposes is hindered the trouble of hand.
Claims (1)
1. a freely telescopic pen comprises handwriting (1) and ink pipe cap (2), and it is characterized in that: described ink pipe cap (2) connects main sleeve pipe (4) by internal thread (3), and main sleeve pipe (4) is by external screw thread (5) auxiliary connection sleeve pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478626 CN202862895U (en) | 2012-09-19 | 2012-09-19 | Freely retractable type pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478626 CN202862895U (en) | 2012-09-19 | 2012-09-19 | Freely retractable type pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202862895U true CN202862895U (en) | 2013-04-10 |
Family
ID=48029643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220478626 Expired - Fee Related CN202862895U (en) | 2012-09-19 | 2012-09-19 | Freely retractable type pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202862895U (en) |
-
2012
- 2012-09-19 CN CN 201220478626 patent/CN202862895U/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: 20130410 Termination date: 20130919 |