CN201068012Y - Telescopic pen - Google Patents

Telescopic pen Download PDF

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Publication number
CN201068012Y
CN201068012Y CNU2007201117709U CN200720111770U CN201068012Y CN 201068012 Y CN201068012 Y CN 201068012Y CN U2007201117709 U CNU2007201117709 U CN U2007201117709U CN 200720111770 U CN200720111770 U CN 200720111770U CN 201068012 Y CN201068012 Y CN 201068012Y
Authority
CN
China
Prior art keywords
pen
screw rod
nut
head
telescopic
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
Application number
CNU2007201117709U
Other languages
Chinese (zh)
Inventor
周志文
Original Assignee
周志文
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 周志文 filed Critical 周志文
Priority to CNU2007201117709U priority Critical patent/CN201068012Y/en
Application granted granted Critical
Publication of CN201068012Y publication Critical patent/CN201068012Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a writing tool, in particular to a telescopic pen. The telescopic pen comprises a pen casing, a pen core arranged inside the pen casing, a screw rod included in the pen core, a pen head connected with one end of the screw rod, and a screw cap arranged at the other end of the screw rod. A convex part is arranged inside the screw part, a thread groove is arranged on the screw rod, and the convex part is matched with the thread groove. The pen core of the utility model expertly adopts the structure way of the screw rod and the screw cap, the pen head can be screwed out of the pen casing during the using, when the pen is not in use, the pen head can be retracted into the pen casing, the length of the pen body can be shortened, thereby being convenient for the carryover of the user, also because the pen head is arranged inside the pen casing when the pen is not in use, when the pen head is lost, the pen can also be conveniently carried by the user, and the clothing is protected from being polluted by contacting with the pen head.

Description

A kind of telescopic pen
Technical field
The utility model relates to a kind of writing implement, especially relates to a kind of telescopic pen.
Background technology
The length of the pen of Chu Shouing all is to have fixed in the market, and for the ease of holding a pen, general length is all greater than 10CM.When carrying, generally all be that pen is not positioned in the clothes in pocket or directly.When no pocket, will be inconvenient to carry.And the nib of general pen all exposes a body outside, under the situation that the pen cap is lost, because nib is exposed outside a body, just is not easy to have carried pen more.
Summary of the invention
In order to address the above problem, the purpose of this utility model provides a kind of telescopic pen easy to carry.
To achieve the above object, the utility model is mainly solved by following technical proposals:
A kind of telescopic pen comprises a shell, is provided with pen core in the shell, and described pen core comprises screw rod, and an end of screw rod is connected with nib, and the other end is provided with nut; Be provided with projection in the described nut, described screw rod is provided with thread groove, and described projection and thread groove are complementary.
Above-mentioned projection is an internal thread.
Above-mentioned nut is provided with the location dop, and the inwall of a shell is provided with draw-in groove, and described location dop and draw-in groove are complementary.
The tail end of above-mentioned nut is provided with protruding b.
The utility model is because pen core has adopted screw rod and nut structure mode dexterously, nib can be spun out from a shell in use, when not using, nib can be withdrawn in the shell, play the effect of shortening a height degree, make things convenient for carrying of user, also since when not using nib be in the shell, losing under the situation of the pen cap, also can allow the user be convenient for carrying, and be not afraid of because the contact stain clothes of nib.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of a shell 10 among Fig. 1.
Fig. 3 is the structural representation of pen core among Fig. 1.
Fig. 4 is an A portion enlarged drawing among Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing 1-4, the specific embodiment of the technical solution of the utility model is described in further detail.
A kind of telescopic pen comprises a shell 10, is provided with pen core in the shell 10.Described pen core comprises screw rod 5, and an end of screw rod 5 is fixedlyed connected with nib 6, and standpipe is in the screw rod 5.The other end of screw rod 5 is provided with nut 1; Be provided with projection 8 in the nut 1, described screw rod 5 is provided with thread groove 4, and described protruding 8 are complementary with thread groove 4, and projection 8 adopts internal threads.So as long as the pen elongation is shortened by rotary nut 1.
Also be provided with location dop 2 on the nut 1, the inwall of a shell 10 is provided with draw-in groove 9, and location dop 2 is in the draw-in groove 9, and nut 1 is played positioning action, makes when rotary nut 1, can will push away before the screw rod 5.Described location dop 2 is complementary with draw-in groove 9.
Rotary nut 1 for convenience is provided with protruding b7 at the tail end of nut 1, increases the frictional force between nut 1 and the hand.

Claims (5)

1. a telescopic pen comprises a shell (10), and a shell is provided with pen core in (10), it is characterized in that, described pen core comprises screw rod (5), and an end of screw rod (5) is connected with nib (6), and the other end is provided with nut (1); Be provided with projection (8) in the described nut (1), described screw rod (5) is provided with thread groove (4), and described projection (8) is complementary with thread groove (4).
2. a kind of telescopic pen according to claim 1 is characterized in that described protruding a (8) is an internal thread.
3. a kind of telescopic pen according to claim 1 and 2 is characterized in that, described nut (1) is provided with location dop (2), and the inwall of a shell (10) is provided with draw-in groove (9), and described location dop (2) is complementary with draw-in groove (9).
4. a kind of telescopic pen according to claim 1 and 2 is characterized in that the tail end of described nut (1) is provided with protruding b (7).
5. a kind of telescopic pen according to claim 3 is characterized in that the tail end of described nut (1) is provided with protruding b (7).
CNU2007201117709U 2007-07-11 2007-07-11 Telescopic pen Expired - Fee Related CN201068012Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201117709U CN201068012Y (en) 2007-07-11 2007-07-11 Telescopic pen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201117709U CN201068012Y (en) 2007-07-11 2007-07-11 Telescopic pen

Publications (1)

Publication Number Publication Date
CN201068012Y true CN201068012Y (en) 2008-06-04

Family

ID=39489385

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201117709U Expired - Fee Related CN201068012Y (en) 2007-07-11 2007-07-11 Telescopic pen

Country Status (1)

Country Link
CN (1) CN201068012Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014166318A1 (en) * 2013-04-08 2014-10-16 Yu Chengpeng Environmental-friendly pulling pen
CN109703236A (en) * 2018-12-03 2019-05-03 安徽瀚洋纸品印刷有限公司 A kind of gel ink pen
CN111976338A (en) * 2020-05-29 2020-11-24 张维芳 Pen-shaped stationery or tool with self-protection mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014166318A1 (en) * 2013-04-08 2014-10-16 Yu Chengpeng Environmental-friendly pulling pen
CN109703236A (en) * 2018-12-03 2019-05-03 安徽瀚洋纸品印刷有限公司 A kind of gel ink pen
CN111976338A (en) * 2020-05-29 2020-11-24 张维芳 Pen-shaped stationery or tool with self-protection mechanism
CN111976338B (en) * 2020-05-29 2021-11-02 张维芳 Pen-shaped tool with self-protection mechanism

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080604

Termination date: 20100711

C17 Cessation of patent right