CN108656791B - Gel ink pen with automatically retracted pen point - Google Patents
Gel ink pen with automatically retracted pen point Download PDFInfo
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- CN108656791B CN108656791B CN201810850461.6A CN201810850461A CN108656791B CN 108656791 B CN108656791 B CN 108656791B CN 201810850461 A CN201810850461 A CN 201810850461A CN 108656791 B CN108656791 B CN 108656791B
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- pen
- holder
- rotating shaft
- pen holder
- cap
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- 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
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Pens And Brushes (AREA)
Abstract
The invention relates to a gel ink pen with an automatically retracted pen point, which comprises a pen holder, a pen core arranged in the pen holder and a screw cap screwed on the pen holder, wherein a gravity block is arranged in the pen holder, and the gravity block is connected with the screw cap through a first tension spring; the pen holder is provided with a rotating shaft which is arranged in the pen holder and is consistent with the length direction of the pen holder, the rotating shaft is provided with a cam groove which is spirally arranged along the axis of the rotating shaft, the gravity block is provided with a cam push rod matched with the cam groove, and the cam push rod is arranged in the cam groove; the pen refill is provided with a stopping flange, the rotating shaft is provided with a rotating stopping block corresponding to the stopping flange, one end of the rotating stopping block is connected with the rotating shaft, and when the rotating stopping block rotates along with the rotating shaft, the other end of the rotating stopping block is in contact with or separated from the stopping flange, so that the axial position of the pen refill is stopped or released; the cap is screwed with a vertical sliding pressure rod penetrating through the cap, one end of the pressure rod arranged in the pen holder is provided with a jack matched with the refill, and the pressure rod slides on the cap in the direction far away from the refill through elastic acting force.
Description
Technical Field
The invention relates to a writing tool, in particular to a gel ink pen with an automatically retracted pen point.
Background
In daily study, work and life, the writing pen is often used for copying, note taking, signature and the like, and is used most frequently especially in places such as classrooms, examination rooms and the like; common writing pens such as pens, fountain pens, ball-point pens, etc. use a pen point stained with ink to write or draw, so that once the pen point is damaged, the pen point will affect normal learning and working to different degrees, and may cause irreparable loss in some specific situations such as examinations, contract signing, etc.
The nib is impaired usually because of the unexpected of writing pen falls and leads to the nib to arouse with the collision contact of ground or hard thing, because common writing pen does not all possess nib protect function, even if have writing pen of cap like pen, fountain pen etc. also only can just protect the nib when not using, can't in time in the use, protect the nib effectively, in case writing pen in use drops ground carelessly, can lead to the nib to damage very probably, thereby influence the use, bring unnecessary puzzlement for the user.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the gel ink pen with the automatically retracted pen point, which aims to solve the problem that the pen point cannot be protected in time when the existing writing pen falls accidentally.
The technical scheme for solving the problem is as follows: the pen comprises a pen holder provided with a containing cavity, a refill arranged in the containing cavity of the pen holder and a screw cap screwed on the pen holder, wherein a gravity block moving along the length direction of the pen holder is arranged in the containing cavity of the pen holder, the gravity block is connected with the screw cap through a first tension spring, and when the pen holder is used for writing vertically, the gravity block moves towards the direction of the refill to enable the first tension spring to stretch and store energy under the action of self gravity; the gravity block is provided with a cam push rod matched with the cam groove, the end part of the cam push rod is arranged in the cam groove, and when the gravity block moves along the length direction of the pen rod, the rotating shaft rotates along the self axis under the transmission action of the cam groove and the cam push rod; the pen refill comprises a pen refill, a rotating shaft, a rotating stop block, a stop flange and a stop flange, wherein the pen nib on the pen refill is positioned at one end, the rotating shaft is provided with the rotating stop block corresponding to the stop flange, one end of the rotating stop block is connected with the rotating shaft, and when the rotating stop block rotates along with the rotating shaft, the other end of the rotating stop block is in contact with or separated from the end face, far away from the pen refill, of the stop flange, so that the axial position of the pen refill; the cap is screwed up and has the depression bar that vertical slip runs through the cap of screwing, the one end of the holding cavity of placing in the pen-holder of depression bar have with refill assorted jack, the corresponding tip of refill is inserted tightly and is installed in the jack, the depression bar slides to the direction of keeping away from the refill on the cap is screwed up to elastic force.
The pen holder is exquisite in structure and simple to operate, and the movement characteristic of the spring in free falling is utilized, so that the internal components of the pen holder automatically trigger linkage when falling to quickly retract the pen core into the pen holder, and the pen point is protected timely and effectively; the pen core can be popped up by simply pressing the pressing rod, the pen core has the characteristics of simplicity and quickness of the existing writing pen, and also has an automatic protection function which is not possessed by the existing writing pen, so that a user can easily deal with any emergency, and the user does not need to worry about serious loss caused by damage of the pen point in important occasions.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an isometric view of the present invention.
Fig. 3 is a front view of the present invention in operation.
Fig. 4 is an isometric view of the present invention in operation.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the writing pen comprises a pen holder 1 provided with a containing cavity, a pen core 2 arranged in the containing cavity of the pen holder 1 and a screw cap 3 screwed on the pen holder 1, wherein a gravity block 4 moving along the length direction of the pen holder 1 is arranged in the containing cavity of the pen holder 1, the gravity block 4 is connected with the screw cap 3 through a first tension spring 5, and when the pen holder 1 is upright for writing, the gravity block 4 moves towards the pen core direction of the pen core 2 under the action of self gravity to enable the first tension spring 5 to stretch and store energy; the pen holder 1 is provided with a rotating shaft 6 which is arranged in an accommodating cavity of the pen holder 1 and is consistent with the length direction of the pen holder 1, the rotating shaft 6 is provided with a cam groove 7 which is spirally arranged along the axis of the rotating shaft 6, the gravity block 4 is provided with a cam push rod 8 which is matched with the cam groove 7, the end part of the cam push rod 8 is arranged in the cam groove 7, and when the gravity block 4 moves along the length direction of the pen holder 1, the rotating shaft 6 rotates along the axis of the rotating shaft under the transmission action of the cam groove 7 and the cam push rod 8; a stopping flange 9 is arranged at one end where the pen point on the pen core 2 is located, a rotating stop block 10 corresponding to the stopping flange 9 is arranged on the rotating shaft 6, one end of the rotating stop block 10 is connected with the rotating shaft 6, and when the rotating stop block 10 rotates along with the rotating shaft 6, the other end of the rotating stop block 10 is in contact with or separated from the end face, far away from the pen point of the pen core 2, of the stopping flange 9, so that the axial position of the pen core 2 is stopped or stopped; the cap 3 on have vertical slip to run through the depression bar 11 of cap 3, the one end of placing in the holding cavity of pen-holder 1 of depression bar 11 have with 2 assorted jacks 12 of refill, the corresponding tip of refill 2 is inserted tightly and is installed in jack 12, depression bar 11 slides to the direction of keeping away from refill 2 on cap 3 through elastic force.
Preferably, the gravity block 4 is slidably connected to the barrel 1 along the longitudinal direction of the barrel 1, and the gravity block 4 moves along the longitudinal direction of the barrel 1.
Preferably, the gravity block 4 is slidably sleeved on the periphery of the pen core 2 along the length direction of the pen core 2, so that the gravity block 4 moves along the length direction of the pen holder 1.
Preferably, a retaining ring 13 arranged between the pressure rod 11 and the gravity block 4 is arranged in the accommodating cavity of the pen holder 1, the pen core 2 penetrates through the retaining ring 13, the retaining ring 13 is in threaded connection with the pen holder 1, the gravity block 4 is connected with the retaining ring 13 through the first tension spring 5, and when the pen holder 1 is used for writing vertically, the gravity block 4 moves towards the pen point direction of the pen core 2 under the action of self gravity to enable the first tension spring 5 to be stretched for energy storage.
Preferably, the pressing rod 11 is sleeved with a second tension spring 14 arranged in the accommodating cavity of the pen holder 1, and two ends of the second tension spring 14 are respectively connected with the screw cap 3 and the pressing rod 11, so that a structure that the pressing rod 11 slides on the screw cap 3 in a direction away from the pen core 2 through the tension of the second tension spring 14 is formed.
Preferably, the pressing rod 11 is sleeved with a pressing spring arranged outside the screw cap 3, and two ends of the pressing spring are respectively connected with the screw cap 3 and the pressing rod 11, so that the pressing rod 11 slides on the screw cap 3 in a direction away from the pen core 2 through the elastic force of the pressing spring.
Preferably, the rotating shaft 6, the cam groove 7, the cam follower 8 and the rotation stopper 10 are at least two and are uniformly distributed along the circumference of the shaft 1.
Referring to the attached drawings 1-2, when the writing pen is used for writing, the pressing rod 11 is pressed downwards to enable the pen point of the pen core 2 to extend out of the pen holder 1 downwards, the pen holder 1 is erected to enable the pen point of the pen core 2 to face downwards, and the gravity block 4 overcomes the pulling force of the first tension spring 5 to slide downwards under the action of self gravity; when the gravity block 4 slides, the rotating shaft 6 rotates along the axis thereof under the transmission action of the cam groove 7 and the cam push rod 8 and drives the rotating stop block 10 to rotate simultaneously, and the end of the rotating stop block 10 rotates to the position above the stop flange 9 to stop the stop flange at the current position, so that the pen core 2 cannot move upwards.
Loosen depression bar 11 at this moment and can normally write, write the in-process, the displacement of pen-holder 1 can lead to gravity piece 4 to produce the upper and lower slip of different degrees with vibrations from top to bottom, through the setting for the pitch of cam groove 7 or respectively extend one section vertical straight flute at the upper and lower both ends of cam groove 7 and can effectively avoid writing in-process gravity piece 4 and the unexpected break away from of first connecting rod 6, guarantee the continuity of writing.
Referring to fig. 3-4, when the present invention accidentally falls, due to the special free falling trajectory of the spring itself, the lower end of the spring remains stationary or slowly falls, and the upper end rapidly moves downward under the action of the pulling force and gravity of the spring itself to cause the center of mass of the spring to fall; therefore, when the pen point falls downwards, the gravity block 4 connected with the lower end of the first tension spring 5 is kept still or slowly falls, the pen holder 1 connected with the upper end of the first tension spring 5 rapidly falls under the action of the tension of the first tension spring 5 and the gravity of relevant parts, the movement enables the gravity block 4 to generate upward relative sliding on the pen holder 1, so that the rotating shaft 6 generates reverse rotation along the axis thereof under the transmission action of the cam groove 7 and the cam push rod 8 and drives the rotating stop block 10 to simultaneously reverse, the end part of the rotating stop block 10 is gradually separated from the stopping flange 9, the pen core 2 is not stopped and slides upward relative to the pen holder 1 along with the tension of the pressure rod 11 under the action of the tension of the second tension spring 14, and the second tension spring 14 generates free falling body movement with the same property as the first tension spring 5 in the process; the upward sliding of the cartridge 2 with respect to the barrel 1 causes the tip of the cartridge 2 to be retracted inside the barrel 1, so that the tip is not hit when the barrel 1 is landed.
When the pen point falls due to upward movement, the first tension spring 5 also generates a free falling body in the same way as the principle, except that the gravity block 4 rapidly moves downwards under the action of the self gravity and the tension of the first tension spring 5, and the stop block 10 rotates reversely along with the rotating shaft 6, so that the stop of the pen core 2 is released and retracts into the inner side of the pen holder 1, and the pen point is effectively protected; under this condition, can guarantee that the nib can not bump with other objects when the bounce, the roll after the pen-holder 1 drops.
When the pen is picked up again, the pen core 2 needs to be reset, the reset operation is consistent with the operation before writing, the pen can be used only by pressing the pressing rod 11 and then erecting the pen holder 1, and the operation is very convenient and fast.
When the pen is not used, the pen point of the pen can be upward to enable the pen core 2 to retract, then the pen core 2 can be stored or carried, when the pressure lever 11 is not pressed down, the pen core 2 cannot be ejected, the pen point can be protected, and ink stains caused by contact of the pen point with clothes, paper and the like can be avoided.
The pen holder is exquisite in structure and simple to operate, and the movement characteristic of the spring in free falling is utilized, so that the internal components of the pen holder automatically trigger linkage when falling to quickly retract the pen core into the pen holder, and the pen point is protected timely and effectively; the pen core can be popped up by simply pressing the pressing rod, the pen core has the characteristics of simplicity and quickness of the existing writing pen, and also has an automatic protection function which is not possessed by the existing writing pen, so that a user can easily deal with any emergency, and the user does not need to worry about serious loss caused by damage of the pen point in important occasions.
Claims (7)
1. A gel ink pen with a pen point automatically retracted comprises a pen holder (1), a pen core (2) arranged on the inner side of the pen holder (1) and a rotary cap (3) screwed on the pen holder (1), and is characterized in that a gravity block (4) is arranged on the inner side of the pen holder (1), and the gravity block (4) is connected with the rotary cap (3) through a first tension spring (5); the pen holder (1) is provided with a rotating shaft (6) which is arranged on the inner side of the pen holder (1) and is consistent with the length direction of the pen holder (1), the rotating shaft (6) is provided with a cam groove (7) which is spirally arranged along the axis of the rotating shaft (6), the gravity block (4) is provided with a cam push rod (8) which is matched with the cam groove (7), and the cam push rod (8) is arranged in the cam groove (7); the pen core (2) is provided with a stopping flange (9), the rotating shaft (6) is provided with a rotating stop block (10) corresponding to the stopping flange (9), one end of the rotating stop block (10) is connected with the rotating shaft (6), and when the rotating stop block (10) rotates along with the rotating shaft (6), the other end of the rotating stop block (10) is in contact with or separated from the end face of the stopping flange (9), so that the axial position of the pen core (2) is stopped or stopped; the pencil sharpener is characterized in that a pressing rod (11) which vertically slides to penetrate through the cap (3) is arranged on the cap (3), a jack (12) matched with the pencil lead (2) is arranged at one end, arranged on the inner side of the pencil holder (1), of the pressing rod (11), and the pressing rod (11) slides in the direction far away from the pencil lead (2) on the cap (3) through elastic acting force.
2. The gel ink pen with the automatically retracted pen point as claimed in claim 1, wherein the gravity block (4) is connected with the pen holder (1) in a sliding manner along the length direction of the pen holder (1).
3. The gel ink pen with the automatically retracted pen point as claimed in claim 1, wherein the gravity block (4) is slidably sleeved on the periphery of the pen core (2) along the length direction of the pen core (2).
4. The gel ink pen with the automatically retracted pen point as claimed in claim 1, wherein a retainer ring (13) is arranged on the inner side of the pen holder (1) and is arranged between the pressure lever (11) and the gravity block (4), the pen core (2) penetrates through the retainer ring (13), the retainer ring (13) is in threaded connection with the pen holder (1), and the gravity block (4) is connected with the retainer ring (13) through the first tension spring (5).
5. The gel ink pen with the automatically retracted pen point as claimed in claim 1, wherein a second tension spring (14) arranged on the inner side of the pen holder (1) is sleeved on the pressure lever (11), and two ends of the second tension spring (14) are respectively connected with the spin cap (3) and the pressure lever (11).
6. The gel ink pen with the automatically retracted pen point as claimed in claim 1, wherein a compression spring arranged outside the screw cap (3) is sleeved on the compression rod (11), and two ends of the compression spring are respectively connected with the screw cap (3) and the compression rod (11).
7. The gel ink pen with the automatically retracted pen point as claimed in claim 1, wherein the rotating shaft (6), the cam groove (7), the cam pushing rod (8) and the rotating stopper (10) are at least two and are uniformly distributed along the circumference of the shaft line of the pen holder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850461.6A CN108656791B (en) | 2018-07-28 | 2018-07-28 | Gel ink pen with automatically retracted pen point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850461.6A CN108656791B (en) | 2018-07-28 | 2018-07-28 | Gel ink pen with automatically retracted pen point |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108656791A CN108656791A (en) | 2018-10-16 |
| CN108656791B true CN108656791B (en) | 2020-05-19 |
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ID=63789770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810850461.6A Active CN108656791B (en) | 2018-07-28 | 2018-07-28 | Gel ink pen with automatically retracted pen point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108656791B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246636B (en) * | 2021-07-02 | 2023-03-24 | 王媛 | Examination auxiliary pen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2737561Y (en) * | 2004-10-25 | 2005-11-02 | 陈步亮 | Antibreaking pen |
| CN201755968U (en) * | 2010-07-27 | 2011-03-09 | 安徽农业大学 | Gravity crash-proof pen |
| CN201960893U (en) * | 2011-01-10 | 2011-09-07 | 朱秋辉 | Crash-proof fountain pen |
| CN202782295U (en) * | 2012-09-14 | 2013-03-13 | 陈犁田 | Roller ball pen with drop-resistant pen point |
| CN205202521U (en) * | 2015-11-30 | 2016-05-04 | 王仲谋 | Gravity crash -proof pen |
| CN107351567A (en) * | 2017-08-25 | 2017-11-17 | 邹宇轩 | A kind of squash type telescopic ball-point pen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH581030A5 (en) * | 1974-11-19 | 1976-10-29 | Somers S Brice L | Protective cap for ball point or felt tipped pen - has two shells forced apart when ink cartridge slides forwards |
| JP2012232483A (en) * | 2011-04-29 | 2012-11-29 | Pilot Ink Co Ltd | Retractable writing utensils |
| JP2013063541A (en) * | 2011-09-16 | 2013-04-11 | Pilot Corporation | Retractable writing instrument |
-
2018
- 2018-07-28 CN CN201810850461.6A patent/CN108656791B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2737561Y (en) * | 2004-10-25 | 2005-11-02 | 陈步亮 | Antibreaking pen |
| CN201755968U (en) * | 2010-07-27 | 2011-03-09 | 安徽农业大学 | Gravity crash-proof pen |
| CN201960893U (en) * | 2011-01-10 | 2011-09-07 | 朱秋辉 | Crash-proof fountain pen |
| CN202782295U (en) * | 2012-09-14 | 2013-03-13 | 陈犁田 | Roller ball pen with drop-resistant pen point |
| CN205202521U (en) * | 2015-11-30 | 2016-05-04 | 王仲谋 | Gravity crash -proof pen |
| CN107351567A (en) * | 2017-08-25 | 2017-11-17 | 邹宇轩 | A kind of squash type telescopic ball-point pen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108656791A (en) | 2018-10-16 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200420 Address after: 325000 No. 2, Lane 35, Huanglong Street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Zhan Xiadan Address before: 471799 two groups of Wu Dong village, Luoning suburb, Luoyang, Henan Applicant before: Zhang Yun |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.32, group 2, Yongxing Village, yong'anzhou Town, Gaogang District, Taizhou City, Jiangsu Province Patentee after: Zhan Xiadan Address before: 325000 No. 2, Lane 35, Huanglong Street, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Zhan Xiadan |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210104 Address after: No.66 Industrial Park, suyangshan Town, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: XUZHOU HENGHUA PACKAGING TECHNOLOGY Co.,Ltd. Address before: No.32, group 2, Yongxing Village, yong'anzhou Town, Gaogang District, Taizhou City, Jiangsu Province Patentee before: Zhan Xiadan |