CN106696516B - Automatic pen - Google Patents
Automatic pen Download PDFInfo
- Publication number
- CN106696516B CN106696516B CN201710048574.XA CN201710048574A CN106696516B CN 106696516 B CN106696516 B CN 106696516B CN 201710048574 A CN201710048574 A CN 201710048574A CN 106696516 B CN106696516 B CN 106696516B
- Authority
- CN
- China
- Prior art keywords
- rod
- pen
- plastic
- connecting part
- upper lining
- 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.)
- Active
Links
- 229920003023 plastic Polymers 0.000 claims abstract description 72
- 239000004033 plastic Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 abstract description 6
- 238000004026 adhesive bonding Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
Abstract
The invention aims to provide an automatic pen, which comprises an upper rod, a lower rod, a pen refill and a pen nozzle, and is characterized in that: a plastic upper lining rod is arranged in the upper rod, a plastic inner lower rod is arranged in the lower rod, a clamping joint and a sleeve joint are arranged between the upper rod and the lower rod, the sleeve joint is connected with the upper rod through a first connecting part, the clamping joint is connected with the plastic inner lower rod through a second connecting part, and the pen nozzle is connected with the plastic inner lower rod through a third connecting part; the first, second and third connecting parts are connected in a threaded connection mode; further, the clamping joint is connected with the plastic upper lining rod. Compared with the traditional glue bonding, the threaded connection mode is more stable, the degumming caused in the use process of the automatic pen or the replacement of the pen core is avoided, the automatic pen is ensured not to bend and deform in the use process, and the service life of the automatic pen is prolonged.
Description
Technical Field
The invention relates to the field of pens, in particular to an automatic pen.
Background
As shown in fig. 1, a conventional automatic pen on the market comprises an upper rod 1, a lower rod 2, a pen core 21 and a pen nozzle 3.
The conventional automatic pen is generally provided with a pen clip 14 and a runner 13 at the end of the upper rod 1, the pen clip 14 is fixed at the upper part of the runner 13 by a screw 12, and the lower part of the runner 13 is connected with the upper rod 1 by a first connection part 51, so that the pen clip 14, the runner 13 and the upper rod are connected into a whole, and in addition, since the pen clip 14 of the conventional automatic pen is greatly reduced in elasticity due to the screw fixing manner, a spring 11 is also required to be added between the screw 12 and the runner 13 to ensure the elasticity of the pen clip.
A plastic clamping joint 23 and a sleeve joint 24 are arranged between the upper rod 1 and the lower rod 2, the sleeve joint 24 is connected with the upper rod 1 through a second connecting part 52, the plastic clamping joint 23 is connected with the lower rod 2 through a third connecting part 53, the plastic clamping joint 23 is connected with the movement 22 in a threaded mode, so that the upper rod and the lower rod are connected together, the pen core 21 stretches from the pen nozzle 3, and the pen nozzle 3 is connected with the lower rod 2 through a fourth connecting part 54.
Further, the first to fourth connection portions are all adhered by means of glue, but in this way, degumming is easily caused during use of the automatic pen or when the pen core is replaced, and the service life is greatly reduced. Moreover, the mechanism bonded by the glue is easy to cause the bending of the whole automatic pen body, so that the service life of the automatic pen is reduced, and inconvenience is brought to a user in daily use.
In addition, the pen clip 14 increases the elastic force by means of the spring 11, and the structure is easily affected by manual assembly to cause the defect of the elastic force, so that the pen clip is inconvenient to use.
Disclosure of Invention
The invention aims to overcome the defects of the prior production technology and provides an automatic pen, which adopts the following technical scheme:
The automatic pen comprises an upper rod, a lower rod, a pen refill and a pen nozzle, wherein a plastic upper lining rod is arranged in the upper rod, a plastic inner lower rod is arranged in the lower rod, a clamping joint and a sleeve joint are arranged between the upper rod and the lower rod, the sleeve joint is connected with the plastic upper lining rod through a first connecting part, the clamping joint is connected with the plastic inner lower rod through a second connecting part, and the pen nozzle is connected with the plastic inner lower rod through a third connecting part; the first connecting part, the second connecting part and the third connecting part are connected in a threaded mode, a movement is further clamped in the plastic upper lining rod, the clamping joint is connected with the movement in the plastic upper lining rod in a threaded mode, the lower end of the pen core is sleeved in the movement, the pen core is sleeved with a spring, the upper end part of the pen core penetrates through the plastic inner lower rod, the spring and the pen nozzle respectively, the upper rod end part is provided with a upper rod and a pen clamp, the pen clamp penetrates through the upper rod and is connected with the plastic upper lining rod into a whole through a screw, or the pen clamp is arranged on the plastic upper lining rod in a sleeved mode, one end of the plastic upper lining rod, which is close to the upper rod, is of an elastic structure, the upper rod is connected with the plastic upper lining rod in a threaded mode, the elastic structure is integrally injection-molded with the plastic upper lining rod and is arranged in a cavity of the plastic upper lining rod, and a hollow cylinder is formed, and the mode that a screw cap of the screw is clamped on the hollow cylinder formed by the screw is connected with the plastic upper lining rod through the screw, or the pen clamp is arranged on the plastic upper lining rod through the hollow cylinder.
Preferably, the plastic upper lining rod is also provided with a convex point.
The beneficial effects of the invention are as follows:
1. The first connecting part, the third connecting part and the upper rod are all in threaded connection, and the upper rod is also in threaded connection. Compared with the traditional glue bonding, the threaded connection mode is more stable, and the degumming caused in the use process of the automatic pen or in the replacement of the pen core is avoided, so that the automatic pen is ensured not to bend and deform in the use process, and the service life of the automatic pen is prolonged.
2. The elastic structure in the lining rod on the plastic saves the elastic structure of the spring-reinforced pen holder in the traditional automatic pen structure, on one hand, the defect of elasticity caused by manual assembly errors is avoided, and in addition, the stability of the pen holder structure is also enhanced.
Drawings
FIG. 1 is a cross-sectional view of a conventional automatic pen;
FIG. 2 is a cross-sectional view of embodiment 1 of the automatic pen of the present invention;
FIG. 3 is a cross-sectional view of a plastic upper liner stem of embodiment 1 of the automatic pen of the present invention;
FIG. 4 is a cross-sectional view of a plastic upper liner stem with a boss site of embodiment 1 of the automatic pen of the present invention;
Fig. 5 is a cross-sectional view of embodiment 2 of the automatic pen of the present invention.
Detailed Description
The present invention will be described in detail below.
Example 1:
As shown in fig. 2 to 4, the automatic pen of the present invention includes an upper shaft 1, a lower shaft 2, a cartridge 3, and a nib 4. The upper rod is provided with an upper rod 12 and a pen clip 13 at the end, the upper rod is internally provided with a plastic upper lining rod 14, the pen clip 13 is inserted into the upper rod 12 and connected with the plastic upper lining rod 14, one end of the plastic upper lining rod 14, which is close to the upper rod 12, is provided with an elastic structure 141 for increasing the elasticity of the pen clip, and the elastic structure 141 and the plastic upper lining rod 14 are integrally injection molded and arranged in a cavity of the plastic upper lining rod 14 to form a hollow cylinder. Further, the mode that the pen clip 13 and the plastic upper lining rod 14 are connected into a whole through the screw 11 is that a nut of the screw 11 is clamped on a hollow cylinder formed by the elastic structure 141, a bolt of the screw penetrates through the hollow cylinder to fix the pen clip on the plastic upper lining rod 14, and the upper runner 13 and the plastic upper lining rod 14 are connected in a threaded mode. The elastic structure 141 omits the arrangement of utilizing the spring to strengthen the elasticity of the pen holder in the traditional automatic pen structure, on one hand, the defect of elasticity caused by manual assembly errors is avoided, and in addition, the stability of the pen holder structure is enhanced.
The upper rod 1 is internally provided with a core 31, the lower end of the core 3 is arranged in the core 31, and the core 31 is clamped in the plastic upper lining rod 14. A clamping joint 22 and a sleeve joint 23 are arranged between the upper rod 1 and the lower rod 2, the clamping joint 22 is connected with the movement 31 in a threaded connection mode, and the sleeve joint 23 is connected with the plastic upper lining rod 14 through a first connecting part 51.
A plastic inner lower rod 21 is arranged in the lower rod 2, and the upper end part of the pen core 3 passes through the plastic inner lower rod 21, the spring 32 and the pen nozzle 4. The clamping joint 22 is connected with the plastic inner lower rod 21 through a second connecting part 52, the pen nozzle 4 is connected with the plastic inner lower rod 21 through a third connecting part 53, and the upper rod 1 and the lower rod 2 are firmly fixed together through the extrusion pressure among the upper rod 3, the clamping joint 22, the sleeve joint 23 and the pen nozzle 4. When the automatic pen is used, the upper rod 1 is slightly rotated anticlockwise, the upper rod 1 drives the core 31 to move upwards along the threads between the upper rod and the clamping joint 22, the spring 32 is compressed at the moment, so that the pen core 3 is pushed out of the mouth of the pen nozzle 4, and when the upper rod 1 is rotated clockwise, the core 31 moves downwards along the threads between the upper rod and the clamping joint 22, and the spring also pushes the pen core to move downwards at the same time, so that the pen core 3 is retracted into the pen nozzle 4.
Further, the first to third connection parts are all in threaded connection, and the threaded connection mode is more stable compared with the traditional glue bonding mode, so that degumming caused in the use process of the automatic pen or when a pen core is replaced is avoided, the automatic pen is ensured not to bend and deform in the use process, and the service life of the automatic pen is prolonged.
In addition, the plastic upper liner rod 14 is provided with a boss 142 to accommodate the larger diameter upper rod.
Example 2:
As shown in fig. 5, the automatic pen of the present invention includes an upper shaft 21, a lower shaft 22, a pen core 23, and a pen nozzle 24. The upper rod is provided with an upper rod 212 and a pen clip 213 at the end, the upper rod is also internally provided with a plastic upper lining rod 214, the pen clip 213 is sleeved on the plastic upper lining rod 214, one end of the plastic upper lining rod 214, which is close to the upper rod 212, is provided with an elastic structure 2141 for increasing the elasticity of the pen clip, the elastic structure 2141 and the plastic upper lining rod 214 are integrally injection molded and arranged in a cavity of the plastic upper lining rod 214 to form a hollow cylinder. Further, go up the runner 213 and be connected through the screw thread with plastics lining pole 214, firmly fix pen clamp 213 on the pen body, and the setting of elastic structure has saved and has utilized the elastic setting of spring reinforcing pen clamp in the traditional automatic pen structure, on the one hand, has avoided the not enough of elasticity that the manual assembly error caused, has also strengthened the stability of pen-holder structure in addition.
The upper rod 21 is also provided with a core 231, the lower end of the core 23 is arranged in the core 231, and the core 231 is clamped in the plastic upper lining rod 214. A clamping joint 222 and a sleeve joint 223 are arranged between the upper rod 21 and the lower rod 22, and the clamping joint 222 is connected with the movement 231 in a threaded connection mode. Hub 223 is connected to plastic upper liner rod 14 by a first connection location 251.
A plastic inner lower rod 221 is arranged in the lower rod 22, and the upper end part of the pen core 23 passes through the plastic inner lower rod 221, the spring 232 and the pen nozzle 24. The clip 222 is connected with the plastic inner lower rod 221 through the second connecting part 252, the pen mouth 24 is connected with the plastic inner lower rod 221 through the third connecting part 253, and the upper rod 21 and the lower rod 22 are firmly fixed together through the extrusion pressure among the upper rod 23, the clip 222, the sleeve 223 and the pen mouth 24. When the automatic pen is used, the upper rod 21 is slightly rotated anticlockwise, the upper rod 21 drives the cartridge 231 to move upwards along the threads between the upper rod and the clamping joint 222, the spring 232 is compressed at the moment, so that the cartridge 23 is pushed out of the mouth of the pen nozzle 24, and when the upper rod 21 is rotated clockwise, the cartridge 231 moves downwards along the threads between the upper rod and the clamping joint 22, and the spring also pushes the cartridge to move downwards at the same time, so that the cartridge 23 is retracted into the pen nozzle 24.
Further, the first to fourth connection portions are all screw-connected.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (2)
1. An automatic pen comprises an upper rod, a lower rod, a pen refill and a pen nozzle, and is characterized in that a plastic upper lining rod is arranged in the upper rod, a plastic inner lower rod is arranged in the lower rod, a clamping joint and a sleeve joint are arranged between the upper rod and the lower rod, the sleeve joint is connected with the plastic upper lining rod through a first connecting part, the clamping joint is connected with the plastic inner lower rod through a second connecting part, and the pen nozzle is connected with the plastic inner lower rod through a third connecting part; the first connecting part, the second connecting part and the third connecting part are connected in a threaded mode, a movement is further clamped in the plastic upper lining rod, the clamping joint is connected with the movement in the plastic upper lining rod in a threaded mode, the lower end of the pen core is sleeved in the movement, the pen core is sleeved with a spring, the upper end part of the pen core penetrates through the plastic inner lower rod, the spring and the pen nozzle respectively, the upper rod end part is provided with a upper rod and a pen clamp, the pen clamp is inserted into the upper rod and connected with the plastic upper lining rod into a whole through a screw or is arranged on the plastic upper lining rod through the pen clamp, one end, close to the upper rod, of the plastic upper lining rod is of an elastic structure, the upper rod is connected with the plastic upper lining rod in a threaded mode, the elastic structure is integrally injection-molded with the plastic upper lining rod and is arranged in a cavity of the plastic upper lining rod to form a hollow cylinder, and the screw and the plastic upper rod is connected with the plastic upper lining rod into a whole through the screw.
2. The pen of claim 1, wherein the plastic upper lining rod is further provided with a convex point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048574.XA CN106696516B (en) | 2017-01-23 | 2017-01-23 | Automatic pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048574.XA CN106696516B (en) | 2017-01-23 | 2017-01-23 | Automatic pen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106696516A CN106696516A (en) | 2017-05-24 |
| CN106696516B true CN106696516B (en) | 2024-04-26 |
Family
ID=58909271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710048574.XA Active CN106696516B (en) | 2017-01-23 | 2017-01-23 | Automatic pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106696516B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB412376A (en) * | 1933-04-20 | 1934-06-28 | Frederick Charles Bina | Improvements in or relating to propeller pencils |
| GB806296A (en) * | 1956-08-16 | 1958-12-23 | Penkala Products Ltd | Improvements in writing instruments |
| JPH07323689A (en) * | 1994-06-02 | 1995-12-12 | Mitsubishi Pencil Co Ltd | Ballpoint pen |
| CN201325243Y (en) * | 2008-12-02 | 2009-10-14 | 张强 | Novel rotating pen without cap |
| CN201833701U (en) * | 2010-05-18 | 2011-05-18 | 吴冬冬 | Rotary propelling pencil |
| CN203995249U (en) * | 2014-09-01 | 2014-12-10 | 上海万通文具有限公司 | A kind of pen with touch screen head |
| CN206733879U (en) * | 2017-01-23 | 2017-12-12 | 邹亮华 | A kind of mechanical pencil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8282297B2 (en) * | 2008-12-11 | 2012-10-09 | Surefire, Llc | Adjustable cartridge pen housing |
-
2017
- 2017-01-23 CN CN201710048574.XA patent/CN106696516B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB412376A (en) * | 1933-04-20 | 1934-06-28 | Frederick Charles Bina | Improvements in or relating to propeller pencils |
| GB806296A (en) * | 1956-08-16 | 1958-12-23 | Penkala Products Ltd | Improvements in writing instruments |
| JPH07323689A (en) * | 1994-06-02 | 1995-12-12 | Mitsubishi Pencil Co Ltd | Ballpoint pen |
| CN201325243Y (en) * | 2008-12-02 | 2009-10-14 | 张强 | Novel rotating pen without cap |
| CN201833701U (en) * | 2010-05-18 | 2011-05-18 | 吴冬冬 | Rotary propelling pencil |
| CN203995249U (en) * | 2014-09-01 | 2014-12-10 | 上海万通文具有限公司 | A kind of pen with touch screen head |
| CN206733879U (en) * | 2017-01-23 | 2017-12-12 | 邹亮华 | A kind of mechanical pencil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106696516A (en) | 2017-05-24 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |