CN106585171B - A kind of needle tubing pen core - Google Patents
A kind of needle tubing pen core Download PDFInfo
- Publication number
- CN106585171B CN106585171B CN201710066966.9A CN201710066966A CN106585171B CN 106585171 B CN106585171 B CN 106585171B CN 201710066966 A CN201710066966 A CN 201710066966A CN 106585171 B CN106585171 B CN 106585171B
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- CN
- China
- Prior art keywords
- pen core
- core tube
- steel ball
- endoporus
- tube
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K1/00—Nibs; Writing-points
- B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
- B43K1/084—Ball beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/02—Ink reservoirs; Ink cartridges
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- Pens And Brushes (AREA)
Abstract
The invention discloses a kind of needle tubing pen cores, including pen core tube and pen core head, pen core head is internally provided with pen core head endoporus, the leading inside of pen core head endoporus slopes inwardly to form tapering point, 0 10 ° of ＜ α ＜ of its cone angle, inwardly protruded six bearings are formed on one cross section of pen core head endoporus, six bearing annulars are distributed on the cross section, the height of projection c of each bearing is 0.15~0.20 micron, pen core head endoporus is provided with steel ball, steel ball is set between bearing and tapering point, the side towards tapering point of bearing, the medial surface of tapering point coordinates with the surface gap of steel ball, the distance of the center of steel ball to tapering point is a, the distance on the center of steel ball to the top of the side towards tapering point of bearing is b, the radius of steel ball is r, wherein, a≤1/2r, b >=2/3r.The needle tubing pen core, can effectively reduce the gap between steel ball and pen core head, reduce the discharge of ink, to solve the problems, such as product ink.
Description
Technical field
The present invention relates to novel office table separation more particularly to a kind of needle tubing pen cores.
Background technology
Pen core is widely used in as a kind of writing implement in daily life, study, office, and general pen core includes pen
Core pipe and pen core head, pen core tube and pen core head are connected through a screw thread, and the liquid of writing are housed, pen core head is equipped in pen core tube
Steel ball, when writing, the liquid in pen core tube is slowly flowed out by the steel ball of pen core head front end, with the purpose of the writing reached.
However, in existing pen core head, the bearing for steel ball is usually provided with three or four, in actual use process
In, since bearing is very little, cause the gap between steel ball and pen core head excessive, thus ink discharge is big, is easy when writing
There is the situation of product ink；And as the number used increases, product ink can be more and more, influence the aesthetic measure write, simultaneously
Ink is wasted, the service life of pen core is reduced.
Invention content
It is an object of the invention to propose a kind of needle tubing pen core, the gap between steel ball and pen core head can be effectively reduced,
The discharge for reducing ink, to solve the problems, such as product ink.
For this purpose, the present invention uses following technical scheme：
A kind of needle tubing pen core, including pen core tube and be set to the pen core head of the pen core tube front end, the pen core head it is interior
Portion is provided with pen core head endoporus for fluid flow,
The leading inside of the pen core head endoporus slopes inwardly to form tapering point, 0 10 ° of ＜ α ＜ of cone angle,
It is stamped and formed out by taper thimble ecto-entad on the cross section by front end of the pen core head endoporus oriented
Six bearings of internal projection, six bearing annulars are distributed on the cross section, and the height of projection c of each bearing is
0.15~0.20 micron,
The pen core head endoporus is provided with steel ball, and the steel ball is set between the bearing and the tapering point, described
The side of the direction tapering point of bearing, the medial surface of the tapering point coordinate with the surface gap of the steel ball, described
The distance of the center of steel ball to the tapering point is a, the side of the direction tapering point of center to the bearing of the steel ball
The distance on the top in face is b, and the radius of the steel ball is r, wherein a≤1/2r, b >=2/3r.
Wherein, the pen core tube includes mutually independent first pen core tube and the second pen core tube, first pen core tube and
It is detachably connected by intermediate connecting ring between second pen core tube.
Wherein, first pen core tube is internally provided with the first pen core tube endoporus for fluid flow, described the first stroke
The internal diameter of core pipe endoporus and the outer diameter of the pen core head are adapted, and the pen core head, which is inserted into the first pen core tube endoporus, matches
It closes, so that the first pen core tube endoporus is connected to the pen core head endoporus.
Wherein, the second pen core pipe orifice of second pen core tube being internally provided with for storing liquid, described second
Core pipe endoporus is connected to the first pen core tube endoporus.
Wherein, pass through tight fit connection between first pen core tube and the intermediate connecting ring.
Wherein, it is connected through a screw thread between second pen core tube and the intermediate connecting ring.
Wherein, the inside of the intermediate connecting ring offers stepped hole, and the stepped hole includes small diameter bore and major diameter
Hole, first pen core tube are inserted into the small diameter bore tight fit；
It is equipped with internal thread in the large diameter hole, the front end periphery of second pen core tube is equipped with external screw thread, and described second
Pen core tube, which is inserted into the large diameter hole, passes through screw-thread fit.
Wherein, integrally formed with auxiliary pen core tube, the outer diameter of the auxiliary pen core tube is small for the front end of second pen core tube
Step is formed in the junction of the outer diameter of second pen core tube, second pen core tube and the auxiliary pen core tube；
The internal diameter of the outer diameter and first pen core tube of the auxiliary pen core tube is adapted, and the auxiliary pen core tube is outer
It is provided with external screw thread week, internal thread is provided on the inside of first pen core tube, the auxiliary pen core tube is inserted into described the first stroke
The inside of core pipe is simultaneously connected through a screw thread, and end and the step of first pen core tube offset.
Wherein, intermediate connecting ring setting is stretched out in the front end of the auxiliary pen core tube, the auxiliary pen core tube and described
First pen core tube is transparent material.
Beneficial effects of the present invention are：
The needle tubing pen core of the present invention, including pen core tube and the pen core head for being set to pen core tube front end, the inside of pen core head is set
It is equipped with pen core head endoporus for fluid flow, the leading inside of pen core head endoporus slopes inwardly to form tapering point, 0 ＜ of cone angle
10 ° of α ＜ have been stamped and formed out on the cross section by front end of pen core head endoporus inwardly protruding by taper thimble ecto-entad
Six bearings, six bearing annulars are distributed on the cross section, and the height of projection c of each bearing is 0.15~0.20 micron,
Pen core head endoporus is provided with steel ball, and steel ball is set between bearing and tapering point, bearing towards the side of tapering point, tapering point
Medial surface coordinate with the surface gap of steel ball, the distance at the center of steel ball to tapering point is a, the center of steel ball to bearing
Distance towards the top of the side of tapering point is b, and the radius of steel ball is r, wherein a≤1/2r, b >=2/3r；It is by by steel
Pearl is set between tapering point and bearing, to which using the backstop action of the taper and bearing of tapering point, steel ball be fixed, thus
When writing, steel ball is not easy；In addition, six bearing annulars are uniformly distributed, matching between bearing and steel ball is greatly increased
Close area, effectively reduce the area of the non-fitting part between steel ball inside pen core head, to reduce steel ball and pen core head it
Between gap, finally reduce the discharge of the ink through being flowed through between bearing, solve the problems, such as product ink.
Description of the drawings
Fig. 1 is the structural schematic diagram for the needle tubing pen core that the specific embodiment of the invention provides；
Fig. 2 is the decomposition texture schematic diagram for the needle tubing pen core that the specific embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the pen core head that the specific embodiment of the invention provides；
Fig. 4 is the structural schematic diagram of the cross section for the pen core head that the specific embodiment of the invention provides.
In figure：1- pen core heads；2- steel balls；The first pen core tubes of 3-；The second pen core tubes of 4-；5- intermediate connecting rings；
11- pen core head endoporus；12- cone tanks；13- bearings；
41- assists pen core tube.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 4, a kind of needle tubing pen core, including pen core tube and the pen core head 1 for being set to pen core tube front end, pen core
First 1 is internally provided with pen core head endoporus 11 for fluid flow, and the leading inside of pen core head endoporus 11 slopes inwardly to be formed
Tapering point, 0 10 ° of ＜ α ＜ of cone angle, it is preferred that in the present embodiment, α=8 °.
It has been stamped and formed out inwardly by taper thimble ecto-entad on the cross section by front end of pen core head endoporus 11
Six bearings 13 of protrusion, six 13 annulars of bearing are distributed on the cross section, and the height of projection c of each bearing 13 is 0.15~
0.20 micron, it is preferred that in the present embodiment, c=0.18 microns.
Pen core head endoporus 11 is provided with steel ball 2, and steel ball 2 is set between bearing 13 and tapering point, the direction cone of bearing 13
The side at shape end, the medial surface of tapering point coordinate with the surface gap of steel ball 2, and the distance of center to the tapering point of steel ball 2 is
The distance of a, the top of center to the side towards tapering point of bearing 13 of steel ball 2 are b, and the radius of steel ball 2 is r, wherein a
≤ 1/2r, b >=2/3r.
The needle tubing pen core by the way that steel ball 2 is set between tapering point and bearing 13, to using tapering point taper and
The backstop action of bearing 13 fixes steel ball 2, thus steel ball 2 is not easy when writing；And a≤1/2r, b >=2/3r are utilized,
It can ensure the multi-angle write operability under the premise of ensureing steel ball flexible rotating.
In addition, six 13 annulars of bearing are uniformly distributed, the cooperation area between bearing 13 and steel ball 2 is greatly increased,
The area for effectively reducing non-fitting part between 11 and steel ball 2 inside pen core head, to reduce between steel ball 2 and pen core head 1
Gap, finally reduce the discharge of the ink through being flowed through between bearing, solve the problems, such as product ink.
Further, when bearing 13 is headed into from outside to inside by taper thimble, in the periphery of pen core head, by taper top aciculiform
At cone tank 12, the cone angle of cone tank 12 is β, wherein 5 ° of 20 ° of ＜ β ＜.The cone angle of the bearing 13 formed in this way
For γ, γ=β.
In the present embodiment, pen core tube includes 3 and second pen core tube 4 of mutually independent first pen core tube, the first pen core tube 3
And second be detachably connected by intermediate connecting ring 5 between pen core tube 4.In use, when the ink in the second pen core tube 4
After being finished, the second pen core tube, the second pen core tube more renewed so that the first pen core tube 3 and pen core can be removed by dismounting
Head is reused, and the use cost of needle tubing pen core is greatly reduced.
Specifically, the first pen core tube 3 is internally provided with the first pen core tube endoporus for fluid flow, in the first pen core tube
The internal diameter in hole is adapted with the outer diameter of pen core head 1, and pen core head 1, which is inserted into the first pen core tube endoporus, to be coordinated, so that the first pen core tube
Endoporus is connected to pen core head endoporus 11；The the second pen core pipe orifice of second pen core tube 4 being internally provided with for storing liquid, second
Pen core pipe orifice is connected to the first pen core tube endoporus.
Preferably, connected with centre by tight fit connection, the second pen core tube 4 between the first pen core tube 3 and intermediate connecting ring 5
It connects and is connected through a screw thread between ring 5.
It is further preferred that the inside of intermediate connecting ring 5 offers stepped hole, stepped hole includes small diameter bore and major diameter
Hole, the first pen core tube 3 are inserted into small diameter bore tight fit, are equipped with internal thread in large diameter hole, the front end periphery of the second pen core tube 4 is set
There is external screw thread, the second pen core tube 4, which is inserted into large diameter hole, passes through screw-thread fit.
Still more preferably, the front end of the second pen core tube 4 assists pen core tube 41 integrally formed with auxiliary pen core tube 41
Outer diameter is less than the outer diameter of the second pen core tube 4, and the junction of the second pen core tube 4 and auxiliary pen core tube 41 forms step；Assist pen core
The internal diameter of the outer diameter of pipe 41 and the first pen core tube 3 is adapted, and the periphery of pen core tube 41 is assisted to be provided with external screw thread, the first pen core
The inside of pipe 3 is provided with internal thread, and auxiliary pen core tube 41 is inserted into the inside of the first pen core tube 3 and is connected through a screw thread, the first stroke
The end of core pipe 3 offsets with step.
In the present embodiment, the front end of auxiliary pen core tube 41 is stretched out intermediate connecting ring 5 and is arranged, and assists pen core tube 41 and first
Pen core tube 3 is transparent material.Thus when ink liquid level drops to auxiliary pen core tube 41 and the first pen core tube 3, it can see in time
It examines, convenient for replacing the second pen core tube in advance.
The front end of auxiliary pen core tube is provided with dismountable plug, and the second pen core tube is internally provided with oil sealing, therefore,
When replacing, plug is taken out, then the second pen core tube is installed in intermediate connecting ring.
In conclusion the needle tubing pen core of the present invention, simple in structure, it is not easy product ink, and pen core head can be repeated as many times
It utilizes, reduces cost.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (9)
1. a kind of needle tubing pen core, which is characterized in that including pen core tube and the pen core head for being set to the pen core tube front end, the pen
Core print is internally provided with pen core head endoporus for fluid flow,
The leading inside of the pen core head endoporus slopes inwardly to form tapering point, 0 10 ° of ＜ α ＜ of cone angle,
Oriented convex is stamped and formed out by taper thimble ecto-entad on the cross section by front end of the pen core head endoporus
Six bearings risen, six bearing annulars are distributed on the cross section, and the height of projection c of each bearing is 0.15~
0.20 micron,
The pen core head endoporus is provided with steel ball, and the steel ball is set between the bearing and the tapering point, the bearing
The side of the direction tapering point, the tapering point medial surface coordinate with the surface gap of the steel ball, the steel ball
Center to the tapering point distance be a, the side of the direction tapering point of center to the bearing of the steel ball
The distance on top is b, and the radius of the steel ball is r, wherein a≤(1/2) * r, b >=(2/3) * r.
2. needle tubing pen core according to claim 1, which is characterized in that the pen core tube includes mutually independent first pen core
Pipe and the second pen core tube, are detachably connected between first pen core tube and second pen core tube by intermediate connecting ring.
3. needle tubing pen core according to claim 2, which is characterized in that first pen core tube is internally provided with for liquid
First pen core tube endoporus of flowing, the internal diameter of the first pen core tube endoporus are adapted with the outer diameter of the pen core head, the pen
Core print, which is inserted into the first pen core tube endoporus, to be coordinated, so that the first pen core tube endoporus is connected to the pen core head endoporus.
4. needle tubing pen core according to claim 3, which is characterized in that second pen core tube is internally provided with for storing
Second pen core pipe orifice of liquid, the second pen core pipe orifice are connected to the first pen core tube endoporus.
5. according to claim 2 to 4 any one of them needle tubing pen core, which is characterized in that first pen core tube with it is described in
Between pass through tight fit connection between connection ring.
6. needle tubing pen core according to claim 5, which is characterized in that second pen core tube and the intermediate connecting ring it
Between be connected through a screw thread.
7. needle tubing pen core according to claim 6, which is characterized in that the inside of the intermediate connecting ring offers step
Hole, the stepped hole include small diameter bore and large diameter hole, and first pen core tube is inserted into the small diameter bore tight fit；
Internal thread is equipped in the large diameter hole, the front end periphery of second pen core tube is equipped with external screw thread, second pen core
Pipe, which is inserted into the large diameter hole, passes through screw-thread fit.
8. needle tubing pen core according to claim 7, which is characterized in that the front end of second pen core tube is integrally formed with auxiliary
Help pen core tube, the outer diameter of the auxiliary pen core tube is less than the outer diameter of second pen core tube, second pen core tube with it is described auxiliary
The junction of pen core tube is helped to form step；
The internal diameter of the outer diameter and first pen core tube of the auxiliary pen core tube is adapted, and the periphery of the auxiliary pen core tube is set
It is equipped with external screw thread, internal thread is provided on the inside of first pen core tube, the auxiliary pen core tube is inserted into first pen core tube
Inside and be connected through a screw thread, end and the step of first pen core tube offset.
9. needle tubing pen core according to claim 8, which is characterized in that the centre is stretched out in the front end of the auxiliary pen core tube
Connection ring is arranged, and the auxiliary pen core tube and first pen core tube are transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710066966.9A CN106585171B (en) | 2017-02-07 | 2017-02-07 | A kind of needle tubing pen core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710066966.9A CN106585171B (en) | 2017-02-07 | 2017-02-07 | A kind of needle tubing pen core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106585171A CN106585171A (en) | 2017-04-26 |
| CN106585171B true CN106585171B (en) | 2018-08-31 |
Family
ID=58586643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710066966.9A Active CN106585171B (en) | 2017-02-07 | 2017-02-07 | A kind of needle tubing pen core |
Country Status (1)
| Country | Link |
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| CN (1) | CN106585171B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105488A (en) * | 1986-01-21 | 1988-03-09 | 鲁迪·胡特 | Tip of stylus and preparation method thereof |
| CN1131931A (en) * | 1994-08-10 | 1996-09-25 | 百龙企业有限公司 | Tip of ball-point pen and method of manufacturing same |
| JP2002321484A (en) * | 2001-04-26 | 2002-11-05 | Mitsubishi Pencil Co Ltd | Ball-point pen tip and method for manufacturing ball- point pen tip |
| JP2010269546A (en) * | 2009-05-22 | 2010-12-02 | Pentel Corp | Ball-point pen tip and ball-point pen using the same |
| KR20110027062A (en) * | 2009-09-09 | 2011-03-16 | 동아연필 주식회사 | Tip for ball point pen |
| CN103384602A (en) * | 2010-12-20 | 2013-11-06 | 株式会社樱花彩色笔 | Ballpoint pen and penpoint tip for ballpoint pen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001310581A (en) * | 2000-04-28 | 2001-11-06 | Pilot Ink Co Ltd | Ball point pen tip |
| CN206589500U (en) * | 2017-02-07 | 2017-10-27 | 昆山恒义亚自动化设备有限公司 | A kind of needle tubing pen core |
-
2017
- 2017-02-07 CN CN201710066966.9A patent/CN106585171B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105488A (en) * | 1986-01-21 | 1988-03-09 | 鲁迪·胡特 | Tip of stylus and preparation method thereof |
| CN1131931A (en) * | 1994-08-10 | 1996-09-25 | 百龙企业有限公司 | Tip of ball-point pen and method of manufacturing same |
| JP2002321484A (en) * | 2001-04-26 | 2002-11-05 | Mitsubishi Pencil Co Ltd | Ball-point pen tip and method for manufacturing ball- point pen tip |
| JP2010269546A (en) * | 2009-05-22 | 2010-12-02 | Pentel Corp | Ball-point pen tip and ball-point pen using the same |
| KR20110027062A (en) * | 2009-09-09 | 2011-03-16 | 동아연필 주식회사 | Tip for ball point pen |
| CN103384602A (en) * | 2010-12-20 | 2013-11-06 | 株式会社樱花彩色笔 | Ballpoint pen and penpoint tip for ballpoint pen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106585171A (en) | 2017-04-26 |
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Effective date of registration: 20200518 Address after: Room 12, 352 maoshatang Middle Road, Shipai, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan nuoxing Precision Machinery Co., Ltd Address before: 215313, 1, 199 Yingbin East Road, Zhou Town, Suzhou, Jiangsu, Kunshan Patentee before: KUNSHAN HENGYIYA AUTOMATION EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20220107 Address after: 215300 Building 2, No. 199, Yingbin East Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Suzhou jingsiqi Stationery Manufacturing Co.,Ltd. Address before: 215324 room 12, No. 352, Shipai maoshatang Middle Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Kunshan nuoxing Precision Machinery Co.,Ltd. |
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