CN112406359A - Liquid-blocking device for direct-liquid type pen - Google Patents
Liquid-blocking device for direct-liquid type pen Download PDFInfo
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- CN112406359A CN112406359A CN202011417026.8A CN202011417026A CN112406359A CN 112406359 A CN112406359 A CN 112406359A CN 202011417026 A CN202011417026 A CN 202011417026A CN 112406359 A CN112406359 A CN 112406359A
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- liquid
- ink
- zigzag
- groove
- pen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/18—Arrangements for feeding the ink to the nibs
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- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
Abstract
A direct liquid type pen liquid blocking device belongs to the technical field of office stationery supplies and comprises a pen point connecting end, a leaf grid group and a cylindrical seat, wherein a straight groove is longitudinally arranged on the leaf grid group; the zigzag groove adopted by the technical scheme forms a zigzag air flow channel in the direct-liquid pen, the straight-liquid pen air flow channel placed in any direction has a section of upward channel, ink overflowing from the air inlet of the ink bin can only be retained in a section of the zigzag air flow channel close to the air inlet, the problem that the ink overflows from the air inlet and seeps into an area between the leaf grating grids and the shell is thoroughly solved, the overflow ink retained in the air flow channel is refluxed to the ink bin through the air inlet by utilizing the difference between the internal pressure and the external pressure in the using process, the waste of the ink is avoided, and the service life is ensured.
Description
Technical Field
The invention belongs to the technical field of writing and drawing appliances and office stationery, and particularly relates to a direct-liquid type pen liquid blocking device.
Background
The direct-liquid type pen is basically formed by matching a pen head, a liquid blocking device, an ink bin and a shell, wherein the liquid blocking device comprises a pen head connecting end, a leaf grid group and a cylindrical seat which are sequentially connected and matched from front to back; when the direct-liquid type pen is used, ink in the liquid blocking device is used, the ink bin supplies ink to the liquid blocking device, at the moment, air discharged outside the ink in the ink bin is thinned, so that the external air pressure is greater than the air pressure in the ink bin, and the external air can enter the ink bin through the air flow channel to keep the internal air pressure and the external air pressure consistent; therefore, the air-water exchange is completed in the ink bin in the use process of the direct-liquid pen, air in the airflow channel is continuously discharged into the ink bin while ink is supplemented to the liquid-blocking device, and at the moment, the ink in the ink bin cannot overflow from the airflow channel; when the direct-liquid pen is not used, the air pressure in the ink bin is the same as the external atmospheric pressure and is influenced by the gravity of the earth, when the pen point of the direct-liquid pen is placed downwards, the ink in the ink bin is easy to overflow from the air flow channel to enter the liquid blocking device under the action of gravity, and the overflowing ink can be dispersed after entering the grating area, and the ink in the ink bin can be completely prevented from overflowing from the airflow channel only by always keeping the pen point upwards when the direct-liquid pen is not used, but the overflow is very difficult for general users, therefore, in the prior art, ink often enters the area between the blade grids and the outer shell of the liquid blocking device from the tail part of the liquid blocking device after a period of time, and the ink is accumulated slowly, the appearance is influenced, the ink is wasted, the market popularization of the direct-liquid pen is influenced to a certain extent, and even the import of the direct-liquid pen is limited in many countries. Therefore, solving the problem of ink leakage from the air flow channel of the direct liquid type pen becomes a key technology influencing the application of the direct liquid type pen.
Disclosure of Invention
The invention aims to provide a technical scheme of a liquid blocking device of a direct-liquid pen, which is characterized in that a structure with height difference at any angle is arranged on an air flow channel to eliminate ink overflowing from the air flow channel to enter a grating area, and the overflowing ink flows back in the using process to overcome the problems in the prior art.
The direct liquid type pen liquid blocking device comprises a pen point connecting end at the front part, a leaf grid group at the middle part and a cylindrical seat at the tail part, wherein the pen point connecting end is used for installing a pen point, the bottom surface of the cylindrical seat is matched with an ink bin, a water inlet hole matched with a water outlet of the ink bin is formed in the center of the bottom surface of the cylindrical seat, and a straight groove is longitudinally formed in the leaf grid group.
The liquid-blocking pen is characterized in that the zigzag grooves are of rectangular wave structures uniformly distributed in the circumferential direction.
The liquid blocking device is characterized in that the zigzag grooves are of sine wave structures uniformly distributed in the circumferential direction.
The liquid-blocking pen is characterized in that the zigzag grooves are of triangular wave structures uniformly distributed in the circumferential direction.
The liquid blocking device is characterized in that the zigzag groove is of a structure with four uniformly distributed wave shapes in the circumferential direction, the first wave shape extends forwards to be connected with the bottom of the straight groove, and the last wave shape extends to the tail end of the groove towards the bottom of the cylindrical seat.
The liquid blocking device of the direct liquid type pen is novel in design and reasonable in concept, and the cylindrical seat adopts the zigzag groove to replace a straight groove in the prior art, so that the airflow channel of the direct liquid type pen is changed in a breakthrough manner, and the problem of water leakage of the air passage of the direct liquid type pen is thoroughly solved; the zigzag groove adopted in the technical scheme forms a zigzag air flow channel in the direct-liquid pen, so that no matter what direction the direct-liquid pen is placed, an upward channel is arranged on the air flow channel, namely, ink reaches the grating area of the liquid blocking device from the air inlet of the ink bin, the ink must pass through the upward channel, the ink overflowing from the air inlet of the ink bin only works under the action of gravity, other external force is not involved, and the ink cannot cross the height of the air flow channel, therefore, the liquid blocking device applied in the technical scheme can ensure that the ink overflowing from the air inlet of the ink bin can only be retained in the section of the zigzag air flow channel close to the air inlet, the phenomenon that the ink seeps to the area between the grating of the liquid blocking device and the shell after overflowing from the air inlet can be thoroughly eliminated, and the overflowing ink retained in the air flow channel can flow back to the ink bin through the air inlet by utilizing the difference, the waste of ink is avoided, and the service life of the direct-liquid pen can meet the design requirement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a rear view of the structure of FIG. 1;
FIG. 4 is a schematic diagram of the present invention;
FIG. 5 is an enlarged view of the portion P of FIG. 4;
FIG. 6 is an enlarged schematic view of the trace required for the overflow ink in the portion P of FIG. 4 to enter the grid area;
in the figure: 1-pen point connecting end, 2-straight groove, 3-grid group, 4-zigzag groove, 5-column base, 6-groove end, 7-water inlet, 8-ink chamber, 9-shell.
Detailed Description
The embodiments of the present invention will now be described in detail with reference to the accompanying drawings, in which:
as shown in the figure, the liquid blocking device for the direct-liquid type pen is formed by sequentially connecting and matching a pen point connecting end 1 at the front part, a leaf grid group 3 at the middle part and a cylindrical seat 5 at the tail part, wherein the pen point connecting end 1 is used for installing a pen point, the bottom surface of the cylindrical seat 5 is matched with an ink bin 8, a water inlet hole 7 matched with a water outlet of the ink bin 8 is arranged in the center of the bottom surface of the cylindrical seat 5, and when the liquid blocking device is used, ink in the ink bin 8 enters an ink channel in the liquid blocking device through the water inlet; the blade grid group 3 is longitudinally provided with straight grooves 2, the cylindrical surface of the cylindrical seat 5 is provided with zigzag grooves 4 in a matching way, the zigzag grooves 4 are at least formed by uniformly distributing two waves along the circumferential direction, one end of each zigzag groove 4 is connected with the straight groove 2, the other end of each zigzag groove 4 extends to the bottom surface of the cylindrical seat 5 to form a groove tail end 6, and the position of the groove tail end 6 is matched with an air inlet of an ink bin 8; in order to achieve the best overflow prevention effect, the zigzag groove 4 is of a rectangular wave structure and is formed by four rectangular waves uniformly distributed in the circumferential direction, the front end of the first rectangular wave extends upwards to be connected with the bottom of the straight groove 2, and the tail end of the last rectangular wave extends downwards to the bottom of the cylindrical seat 5, so that the zigzag groove 4 and the straight groove 2 form a complete airflow channel groove.
By applying the embodiment, the direct-liquid type pen liquid blocking device is matched with the ink bin 8 and the shell 9, an air flow channel is formed between the groove body formed by the straight groove 2 and the zigzag groove 4 and the shell 9, the front end of the air flow channel is communicated with the outside air, and the tail end of the air flow channel, namely the position of the tail end 6 of the groove and the air inlet of the ink bin 8 form an air inlet channel of the ink bin 8; when the direct liquid type pen is used, ink enters the liquid blocking device from a water outlet of the ink bin 8 through the water inlet hole 7, meanwhile, external air enters from the front end of the straight groove 2 communicated with the outside, passes through the straight groove 2 and the zigzag groove 4 and then reaches the tail end 6 of the groove, enters the ink bin 8 from the air inlet of the ink bin 8 matched with the tail end 6 of the groove, the space of the used ink is supplemented, the internal and external air pressures of the ink bin 8 are kept balanced, and the flow direction of air flow in the zigzag groove 4 is shown in figure 5; during the use process of the direct liquid type pen, the ink continuously flows out of the ink bin 8, and the air continuously enters the ink bin 8 through the air inlet channel, so that the ink in the ink bin 8 cannot overflow from the air inlet in the process; when the pen is not used, even if the pen point of the straight liquid type pen is placed downwards, ink overflowing from the air inlet of the ink bin 8 under the action of the gravity cannot cross the upward part of the zigzag groove 4, if the ink overflowing from the air inlet of the ink bin 8 under the action of the gravity reaches the area where the leaf grid group 3 is located, the trace diagram of the overflowing ink in the zigzag groove 4 is shown in fig. 6, and as can be seen from the diagram, no matter the straight liquid type pen is placed in a vertical downward direction, a horizontal direction or other directions, the height which cannot be crossed by the gravity of the ink exists in the air flow channel part formed by the zigzag groove 4, so that the ink overflowing from the air inlet of the ink bin cannot reach the area where the leaf grid group 3 is located, namely, the ink leakage of the ordinary straight liquid type pen can be completely avoided through the application of the technical scheme; meanwhile, overflowed ink is only retained in a section close to the air inlet of the zigzag groove 4 connected with the air inlet, when the direct liquid type pen is used, the ink in the ink bin 8 is reduced, the air pressure is reduced, the front end of an air flow channel communicated with an air passage of the ink bin 8 is communicated with the external atmosphere, and the overflowed ink retained in the zigzag groove 4 flows back into the ink bin 8 along the zigzag groove 4 through the air inlet under the action of the air pressure difference, so that the waste of the ink is avoided, and the service life of the direct liquid type pen can meet the design requirement.
The zigzag grooves 4 in the embodiment are uniformly distributed in the circumferential direction of four rectangular waves, so that the technical effect of the scheme can be completely realized, and the zigzag grooves are symmetrical in structure, convenient to process and attractive in appearance; the zigzag groove 4 can also adopt other structures, such as a triangular wave structure, a sine wave structure and the like, and also adopts four structures uniformly distributed in the circumferential direction, the front end of the first wave extends forwards to be connected with the bottom of the straight groove 2, and the tail end of the last wave extends to the groove tail end 6 at the bottom of the cylindrical seat 5 to form a complete air flow channel with the straight groove 2; the design of the zigzag groove 4 only needs to meet the requirement that the height difference exists in any direction, the height difference can overcome the gravity action of ink, the ink overflowing from the air inlet of the ink bin 8 is effectively inhibited from seeping to the area where the leaf grid group 3 is located, and the overflowing ink staying in the zigzag groove 4 flows back to the ink bin 8 from the air inlet channel along the air inlet direction by utilizing the difference between the air pressure inside and outside the air flow channel and the air pressure inside and outside the ink bin 8 in the writing and using process.
In the technical scheme, the matching structure among the pen point connecting end 1, the leaf grid group 3 and the cylindrical seat 5 of the liquid blocking device, the structure of the straight groove 2 arranged on the leaf grid group 3 and the matching structure of the liquid blocking device with the pen point, the ink bin 8 and the shell 9 all adopt the prior art, and are not described again; the design idea of the technical scheme is to change a straight-through air flow channel of the ink bin 8, the air flow channel between the ink bin 8 and the leaf grid group 3 is of a zigzag structure and is realized by correspondingly arranging a zigzag groove 4 on the cylindrical seat 5, on one hand, the ink overflowing from an air inlet of the ink bin 8 under the influence of gravity can be prevented from entering an area between the leaf grid group 3 and the shell 9, internal leakage is formed, and meanwhile, the ink overflowing and staying on the air flow channel close to the air inlet of the ink bin 8 can be refluxed to the ink bin 8 by utilizing the difference of the internal air pressure and the external air pressure of the ink bin 8 in the using process, so that the waste of the ink is avoided, and the service life of the straight liquid type pen is ensured.
Claims (5)
1. A direct-liquid type pen liquid blocking device comprises a pen point connecting end (1) at the front part, a leaf grid group (3) at the middle part and a cylindrical seat (5) at the tail part, wherein the pen point connecting end (1) is used for installing a pen point, the bottom surface of the cylindrical seat (5) is matched with an ink bin (8), a water inlet hole (7) matched with a water outlet of the ink bin (8) is formed in the center of the bottom surface of the cylindrical seat (5), a straight groove (2) is longitudinally formed in the leaf grid group (3), the direct-liquid type pen liquid blocking device is characterized in that a zigzag groove (4) is formed in the cylindrical surface of the cylindrical seat (5) in a matched mode, the zigzag groove (4) is formed by uniformly distributing two or more wave forms in the circumferential direction, one end of the zigzag groove is connected with the straight groove (2) and communicated with a groove path, the other end of the zigzag groove extends to the bottom.
2. The liquid-direct-writing liquid-blocking device according to claim 1, characterized in that the zigzag-shaped grooves (4) are of rectangular wave structures uniformly distributed in the circumferential direction.
3. The liquid-blocking pen of claim 1, wherein the zigzag-shaped grooves (4) are of a sine-wave structure uniformly distributed in the circumferential direction.
4. The liquid-direct-writing liquid-blocking device according to claim 1, characterized in that the zigzag-shaped grooves (4) are of triangular wave structures uniformly distributed in the circumferential direction.
5. The liquid-direct-writing liquid-stopping device of claim 2, 3 or 4, wherein the zigzag groove (4) adopts four uniformly-distributed wave-shaped structures in the circumferential direction, the first wave-shaped structure extends forwards to be connected with the bottom of the straight groove (2), and the last wave-shaped structure extends to the tail end (6) of the groove towards the bottom of the cylindrical seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417026.8A CN112406359A (en) | 2020-12-07 | 2020-12-07 | Liquid-blocking device for direct-liquid type pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417026.8A CN112406359A (en) | 2020-12-07 | 2020-12-07 | Liquid-blocking device for direct-liquid type pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112406359A true CN112406359A (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011417026.8A Pending CN112406359A (en) | 2020-12-07 | 2020-12-07 | Liquid-blocking device for direct-liquid type pen |
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| Country | Link |
|---|---|
| CN (1) | CN112406359A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB927251A (en) * | 1958-04-23 | 1963-05-29 | Mentmore Mfg Co Ltd | Improvements in or relating to fountain pens |
| CN1255840A (en) * | 1997-07-18 | 2000-06-07 | 时尚家庭用品有限公司 | Drinking flask |
| US20030180084A1 (en) * | 2000-05-18 | 2003-09-25 | Kazuhiko Firukawa | Collector type writing implement |
| CN101032905A (en) * | 2006-03-09 | 2007-09-12 | 百乐墨水株式会社 | Direct-fluid-supply writing implement |
| CN201201402Y (en) * | 2007-11-17 | 2009-03-04 | 赵伟华 | Pen with liquid storage air guide device |
| CN101799063A (en) * | 2009-02-10 | 2010-08-11 | 超汇桂盟传动（苏州）有限公司 | Hydraulic tension device |
| JP4609978B2 (en) * | 1999-07-19 | 2011-01-12 | 三菱鉛筆株式会社 | Writing instrument |
| CN102039747A (en) * | 2009-10-26 | 2011-05-04 | 张峰 | Neutral environment-friendly pen |
-
2020
- 2020-12-07 CN CN202011417026.8A patent/CN112406359A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB927251A (en) * | 1958-04-23 | 1963-05-29 | Mentmore Mfg Co Ltd | Improvements in or relating to fountain pens |
| CN1255840A (en) * | 1997-07-18 | 2000-06-07 | 时尚家庭用品有限公司 | Drinking flask |
| JP4609978B2 (en) * | 1999-07-19 | 2011-01-12 | 三菱鉛筆株式会社 | Writing instrument |
| US20030180084A1 (en) * | 2000-05-18 | 2003-09-25 | Kazuhiko Firukawa | Collector type writing implement |
| CN101032905A (en) * | 2006-03-09 | 2007-09-12 | 百乐墨水株式会社 | Direct-fluid-supply writing implement |
| CN201201402Y (en) * | 2007-11-17 | 2009-03-04 | 赵伟华 | Pen with liquid storage air guide device |
| CN101799063A (en) * | 2009-02-10 | 2010-08-11 | 超汇桂盟传动（苏州）有限公司 | Hydraulic tension device |
| CN102039747A (en) * | 2009-10-26 | 2011-05-04 | 张峰 | Neutral environment-friendly pen |
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Application publication date: 20210226 |