CN104290491A - Telescopic safety pen - Google Patents
Telescopic safety pen Download PDFInfo
- Publication number
- CN104290491A CN104290491A CN201410616867.XA CN201410616867A CN104290491A CN 104290491 A CN104290491 A CN 104290491A CN 201410616867 A CN201410616867 A CN 201410616867A CN 104290491 A CN104290491 A CN 104290491A
- Authority
- CN
- China
- Prior art keywords
- expansion link
- groove
- pen
- nib
- convex block
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K3/00—Nib holders
- B43K3/04—Nib holders with retractable nibs
Landscapes
- Pens And Brushes (AREA)
- Revetment (AREA)
Abstract
The invention discloses a telescopic safety pen. The telescopic safety pen comprises a pen point, a pen body and a pen cap, wherein the pen body is further provided with a telescopic rod; one end of the telescopic rod is provided with external screw threads; the pen point is provided with internal screw threads; the pen point is in threaded connection with one end of the telescopic rod, while a groove is formed in the other end of the telescopic rod; the groove is an arc rectangular groove; concave cavities are symmetrically arranged in the groove; positioning spring beads are arranged in the concave cavities; concave holes are formed in the end of the telescopic rod; clamping spring beads are arranged in the concave holes; the concave holes and the concave cavities are arranged at the same end of the telescopic rod; clamping V-shaped ring grooves are symmetrically formed in the inner wall of one end of the pen body, while positioning convex blocks are symmetrically arranged on the inner wall at the other end of pen body; positioning holes are formed in the positioning convex blocks. The telescopic safety pen is simple in structure, convenient to carry, easy and quick in use, excellent in applicability, and high in practicality, and the use intensity of the safety pen is not influenced.
Description
Technical field
The invention belongs to safety pen technical field, be specifically related to a kind of Telescopic safe pen.
Background technology
Safety pen is again Defending pen, tactics pen or attacks pen, it has broken window and personal defender, because broken window needs larger impulsive force, also need certain length just can avoid hurting hand simultaneously, so the safety pen of prior art is mostly heavier and longer, although it can ensure brokenly window and defence effect, however longer and heavier due to it, so be inconvenient to carry, affect applicability and the practicality of safety pen to a certain extent.
Summary of the invention
The object of this invention is to provide the Telescopic safe pen that a kind of structure is simple, stability in use good and be convenient for carrying.。
The technical scheme realizing the object of the invention is: a kind of Telescopic safe pen, comprise nib, body and cap, described nib and cap are separately positioned on the two ends of a body, nib is provided with in the end of described nib, also expansion link is provided with in described body, one end of described expansion link is provided with external screw thread, described nib is provided with internal thread, described nib is threaded in one end of expansion link, groove is provided with at the other end of described expansion link, cavity is arranged with in described groove, retainer spring ripple pearl is provided with in described cavity, shrinkage pool is provided with at the end symmetric of described expansion link, screens spring ripple pearl is provided with in described shrinkage pool, described shrinkage pool and described cavity are arranged on same one end of expansion link, one end inwall of described body is arranged with screens V-ring groove, the other end inwall of described body is arranged with locating convex block, described locating convex block is provided with locating hole, described screens V-ring groove and the axially angled setting of described locating hole, described screens V-ring groove is arranged on cap one end, described locating convex block is arranged on written one end.
Described groove is arc trough with straight angle, and the width of described locating convex block is identical with the width of described groove.
Described expansion link is arranged with slip plane, described slip plane matches with described locating convex block, one end of described expansion link is circular setting, and described screens spring ripple pearl is arranged on the round nose of expansion link, described groove is arranged between slip plane end and round nose, and described retainer spring ripple pearl becomes 90 degree to arrange with described slip plane axis.
Described nib is that carbide alloy making forms.
Described expansion link is that metal material is made.
The present invention has positive effect: structure of the present invention is simple, be provided with expansion link, can need expansion link is shunk or stretches out a body according to use, be convenient for carrying, expansion link is provided with groove, and in groove, be provided with retainer spring ripple pearl, locating convex block is provided with at described body inwall, and locating convex block is provided with locating hole, pull expansion link in use, when groove and locating convex block coincide, rotating extensible arm, retainer spring ripple pearl is connected in locating hole realize screens to fix, convenient to use, and the working strength of safety pen can not be affected, applicability is good, practical.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is fractionation structural representation of the present invention;
Fig. 2 is the present invention's structure cut-away view when flexible;
Fig. 3 is the present invention's structure cut-away view when elongating;
Fig. 4 is A-A cut-away view in Fig. 2;
Fig. 5 is the present invention's operationally structure cut-away view;
Fig. 6 is B-B cut-away view in Fig. 4.
Detailed description of the invention
(embodiment 1)
Fig. 1 to Fig. 6 shows a kind of detailed description of the invention of the present invention, and wherein Fig. 1 is fractionation structural representation of the present invention; Fig. 2 is the present invention's structure cut-away view when flexible; Fig. 3 is the present invention's structure cut-away view when elongating; Fig. 4 is A-A cut-away view in Fig. 2; Fig. 5 is the present invention's operationally structure cut-away view; Fig. 6 is B-B cut-away view in Fig. 4.
See Fig. 1 to Fig. 6, a kind of Telescopic safe pen, comprise nib 1, body 2 and cap 3, described written 1 is separately positioned on the two ends of a body 2 with cap 3, nib 4 is provided with in the described end of written 1, expansion link 5 is also provided with in described body 2, one end of described expansion link 5 is provided with external screw thread 6, described written 1 is provided with internal thread 7, described written 1 one end being threaded in expansion link 5, groove 8 is provided with at the other end of described expansion link 5, cavity 9 is arranged with in described groove 8, retainer spring ripple pearl 10 is provided with in described cavity 9, shrinkage pool 11 is provided with at the end symmetric of described expansion link 5, screens spring ripple pearl 12 is provided with in described shrinkage pool 11, described shrinkage pool 11 and described cavity 9 are arranged on same one end of expansion link 5, one end inwall of described body 2 is arranged with screens V-ring groove 13, the other end inwall of described body 2 is arranged with locating convex block 14, described locating convex block 14 is provided with locating hole 15, described screens V-ring groove 13 is arranged on cap 3 one end, described locating convex block 14 is arranged on written 1 one end.
Described groove 8 is arc trough with straight angle, and the width of described locating convex block 14 is identical with the width of described groove 8.
Described expansion link 5 is arranged with slip plane 16, described slip plane 16 matches with described locating convex block 14, one end of described expansion link 5 is circular setting, and described screens spring ripple pearl 12 is arranged on the round nose of expansion link 5, described groove 8 is arranged between slip plane end and round nose, and described retainer spring ripple pearl 12 becomes 90 degree to arrange with described slip plane 16 axis.
Described nib 4 forms for carbide alloy makes.
Described expansion link 5 is made for metal material.
Structure of the present invention is simple, be provided with expansion link, can need expansion link is shunk or stretches out a body according to use, be convenient for carrying, expansion link is provided with groove, and in groove, be provided with retainer spring ripple pearl, locating convex block is provided with at described body inwall, and locating convex block is provided with locating hole, pull expansion link in use, when groove and locating convex block coincide, rotating extensible arm, retainer spring ripple pearl is connected in locating hole realize screens to fix, convenient to use, and the working strength of safety pen can not be affected, applicability is good, practical.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (5)
1. a Telescopic safe pen, comprise nib, body and cap, described nib and cap are separately positioned on the two ends of a body, nib is provided with in the end of described nib, it is characterized in that: in described body, be also provided with expansion link, one end of described expansion link is provided with external screw thread, described nib is provided with internal thread, described nib is threaded in one end of expansion link, groove is provided with at the other end of described expansion link, cavity is arranged with in described groove, retainer spring ripple pearl is provided with in described cavity, shrinkage pool is provided with at the end symmetric of described expansion link, screens spring ripple pearl is provided with in described shrinkage pool, described shrinkage pool and described cavity are arranged on same one end of expansion link, one end inwall of described body is arranged with screens V-ring groove, the other end inwall of described body is arranged with locating convex block, described locating convex block is provided with locating hole, described screens V-ring groove is arranged on cap one end, described locating convex block is arranged on written one end.
2. Telescopic safe pen according to claim 1, is characterized in that: described groove is arc trough with straight angle, and the width of described locating convex block is identical with the width of described groove.
3. Telescopic safe pen according to claim 2, it is characterized in that: described expansion link is arranged with slip plane, described slip plane matches with described locating convex block, one end of described expansion link is circular setting, and described screens spring ripple pearl is arranged on the round nose of expansion link, described groove is arranged between slip plane end and round nose, and described retainer spring ripple pearl becomes 90 degree to arrange with described slip plane axis.
4. Telescopic safe pen according to claim 3, is characterized in that: described nib is that carbide alloy making forms.
5. Telescopic safe pen according to claim 4, is characterized in that: described expansion link is that metal material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616867.XA CN104290491B (en) | 2014-11-05 | 2014-11-05 | Telescopic safe pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616867.XA CN104290491B (en) | 2014-11-05 | 2014-11-05 | Telescopic safe pen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104290491A true CN104290491A (en) | 2015-01-21 |
| CN104290491B CN104290491B (en) | 2016-03-02 |
Family
ID=52310544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410616867.XA Expired - Fee Related CN104290491B (en) | 2014-11-05 | 2014-11-05 | Telescopic safe pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104290491B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203983U (en) * | 1985-09-11 | 1986-09-03 | 钱伯礼 | Easy-to-carry contractible pen |
| CN2173704Y (en) * | 1993-09-03 | 1994-08-10 | 骆惠中 | Pencil defender |
| CN201208839Y (en) * | 2008-06-05 | 2009-03-18 | 杨建伟 | Multi-purpose pens |
| CN201833690U (en) * | 2010-10-10 | 2011-05-18 | 戴月炎 | Safety pen |
| CN202079982U (en) * | 2011-04-20 | 2011-12-21 | 廖宜福 | Self-defense pen |
| CN202192892U (en) * | 2011-07-22 | 2012-04-18 | 郑晗琦 | Safety pen |
| CN202641080U (en) * | 2012-07-10 | 2013-01-02 | 蒋爱君 | Self-defense pen |
| JP5501569B2 (en) * | 2008-02-26 | 2014-05-21 | ゼブラ株式会社 | Writing instrument |
| CN204196490U (en) * | 2014-11-05 | 2015-03-11 | 刘胜森 | Telescopic safe pen |
-
2014
- 2014-11-05 CN CN201410616867.XA patent/CN104290491B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203983U (en) * | 1985-09-11 | 1986-09-03 | 钱伯礼 | Easy-to-carry contractible pen |
| CN2173704Y (en) * | 1993-09-03 | 1994-08-10 | 骆惠中 | Pencil defender |
| JP5501569B2 (en) * | 2008-02-26 | 2014-05-21 | ゼブラ株式会社 | Writing instrument |
| CN201208839Y (en) * | 2008-06-05 | 2009-03-18 | 杨建伟 | Multi-purpose pens |
| CN201833690U (en) * | 2010-10-10 | 2011-05-18 | 戴月炎 | Safety pen |
| CN202079982U (en) * | 2011-04-20 | 2011-12-21 | 廖宜福 | Self-defense pen |
| CN202192892U (en) * | 2011-07-22 | 2012-04-18 | 郑晗琦 | Safety pen |
| CN202641080U (en) * | 2012-07-10 | 2013-01-02 | 蒋爱君 | Self-defense pen |
| CN204196490U (en) * | 2014-11-05 | 2015-03-11 | 刘胜森 | Telescopic safe pen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104290491B (en) | 2016-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20181105 |