CN217435372U - Valve system for writing pen - Google Patents
Valve system for writing pen Download PDFInfo
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- CN217435372U CN217435372U CN202221005674.7U CN202221005674U CN217435372U CN 217435372 U CN217435372 U CN 217435372U CN 202221005674 U CN202221005674 U CN 202221005674U CN 217435372 U CN217435372 U CN 217435372U
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Abstract
The utility model discloses a valve system for a writing pen, which is arranged on a pen tube and comprises an inner plug and a pen core seat; the pen tube is internally provided with an ink storage cavity and an installation cavity, and the bottom of the ink storage cavity is provided with a through hole communicated with the installation cavity; the inner plug is arranged at the rear end of the mounting cavity, is provided with a concave cavity communicated with the through hole, and is provided with a mounting hole communicated with the concave cavity; the refill seat can be movably arranged in the mounting cavity in the front-back direction, a containing hole is formed in the refill seat, and the rear end of the refill seat is provided with a mounting part. Through having seted up the ink inlet on the installation department, ink inlet intercommunication holding hole, when writing and using, refill seat receives the press of refill when writing, ink inlet gets into in the cavity and communicates with the cavity, the ink in the cavity flows into ink inlet, thereby get into refill, write and just can write with the pen, when writing and using the pen when not using, ink inlet is located outside the cavity, the ink can not get into refill through ink inlet, effectively prevent that the ink from outwards spilling over from refill, cause the waste of ink.
Description
Technical Field
The utility model belongs to the technical field of the writing pen technique and specifically relates to indicate a valve system that writing pen used.
Background
The writing pen is an indispensable article in life, and consists of a pen tube, a pen refill and a pen cap, wherein the pen refill is arranged on the pen tube, the pen cap is sleeved and fixed at the front end of the pen tube, ink is filled in the pen tube, and when the writing pen writes, the ink flows to the front end of the pen tube and enters the pen refill through a valve, so that the writing can be carried out; when the ink of the writing pen is used up, the writing pen cannot write, and at the moment, a user needs to open the front cover of the pen tube and pour the ink into the pen tube so as to continue writing.
Although the existing valve system of the writing pen can achieve the function of providing ink for the refill, and is really progressive, the existing valve system still has a plurality of defects in the structure and the service performance when in actual use, such as: when the writing pen is not used, ink can still pass through the valve and continuously provide ink for the refill, and the ink is used for a long time, even if the writing pen is not used, the ink can overflow from the refill, so that the waste of the ink is caused. Accordingly, there is a need for an improved valve system for an existing writing pen.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a valve system for a writing pen, which can ensure that ink cannot enter the core through the valve when the writing pen is not used, so as to effectively prevent the ink from overflowing from the core and causing ink waste.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a valve system for a writing pen is arranged on a pen tube and comprises an inner plug and a pen core seat; the pen tube is internally provided with an ink storage cavity and an installation cavity, and the bottom of the ink storage cavity is provided with a through hole communicated with the installation cavity; the inner plug is arranged at the rear end of the mounting cavity, is provided with a concave cavity communicated with the through hole, and is provided with a mounting hole communicated with the concave cavity; this refill seat sets up in the installation cavity with moving about, has an accommodation hole that is used for fixed refill in the refill seat, and the rear end of refill seat has an installation department, and this installation department cartridge is movable about following the installation hole in the installation hole, has seted up into the china ink mouth on the installation department, should advance china ink mouth intercommunication accommodation hole.
As a preferred scheme, the inner wall of the rear end of the installation cavity is provided with a limiting step, the inner plug is convexly provided with a first limiting part, and the first limiting part is matched with the limiting step for limiting.
Preferably, the inner plug is made of silica gel or rubber.
Preferably, the rear end of the cartridge holder has a guide slope, and the guide slope is located at the front side of the mounting portion.
As a preferred scheme, a limiting convex point is convexly arranged on the inner wall of the front end of the mounting cavity, a second limiting part is convexly arranged on the peripheral side face of the front end of the refill seat, and the second limiting part is matched with the limiting convex point for limiting.
Preferably, the ink inlets are two radially symmetrical ink inlets.
Preferably, a boss is disposed in the ink storage chamber, the through hole is located on the boss, and the pen barrel further comprises a ball disposed on the boss to open or close the through hole.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
through having seted up the ink inlet on the installation department, this ink inlet intercommunication holds the hole, when writing and using the pen, the refill seat receives when pressing of refill, advance in the ink inlet gets into the cavity and with the cavity intercommunication, ink in the cavity flows into the ink inlet, thereby get into the refill, write and can write with the pen, when writing and using the pen when not using, the ink inlet is located outside the cavity, ink can not get into the refill through the ink inlet, effectively prevent that ink from outwards spilling over from the refill, cause the waste of ink.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an exploded view of a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the preferred embodiment of the present invention in an uncompressed state;
FIG. 3 is a cross-sectional view of the preferred embodiment of the present invention in a pressed state;
fig. 4 is a partially assembled cross-sectional view of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. pen tube 101 and ink storage cavity
102. Mounting cavity 103, through hole
11. Limiting step 12 and limiting salient point
13. Boss 20, inner plug
201. Cavity 202, mounting hole
21. First limiting part 30 and pencil lead seat
301. Containing hole 302, ink inlet
303. Guide slope 31, mounting portion
32. Second stopper 40, ball
50. The refill is a writing core.
Detailed Description
Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present invention is shown, which is disposed on a pen tube 10, and includes an inner plug 20 and a refill seat 30.
The pen tube 10 is internally provided with an ink storage cavity 101 and a mounting cavity 102, and the bottom of the ink storage cavity 101 is provided with a through hole 103 communicated with the mounting cavity 102; in this embodiment, the inner wall of the rear end of the mounting cavity 102 is provided with a limit step 11, the inner wall of the front end of the mounting cavity 102 is convexly provided with a limit bump 12, the ink storage cavity 101 is internally provided with a boss 13, the through hole 103 is positioned on the boss 13, and the pen barrel 10 further comprises a ball 40, and the ball 40 is arranged on the boss 13 in a manner of opening or closing the through hole 103; since the ball 40 is added to stir the ink uniformly if the ink particles are thicker or thicker, when the ink in the cavity 201 is exhausted, the pen tube can be shaken slightly to separate the ball 40 from the boss 13, the through hole 103 is opened, and the ink flows into the cavity 201 again, so that the ink is supplied to the refill 50.
The inner plug 20 is arranged at the rear end of the mounting cavity 102, the inner plug 20 is provided with a concave cavity 201 communicated with the through hole 103, and the inner plug 20 is provided with a mounting hole 202 communicated with the concave cavity 201; in this embodiment, the inner plug 20 is convexly provided with a first limiting portion 21, and the first limiting portion 21 cooperates with the limiting step 11 for limiting; the inner plug 20 is made of silica gel or rubber
The refill seat 30 is movably arranged in the mounting cavity 102 in a front-back direction, a containing hole 301 for fixing the refill 50 is arranged in the refill seat 30, a mounting part 31 is arranged at the rear end of the refill seat 30, the mounting part 31 is inserted into the mounting hole 202 and moves in the front-back direction along the mounting hole 202, an ink inlet 302 is arranged on the mounting part 31, the ink inlet 302 is communicated with the containing hole 301, and the two ink inlets 302 are radially symmetrical; in the embodiment, the rear end of the refill seat 30 has a guiding slope 303, the guiding slope 303 is located at the front side of the mounting portion 31, in addition, the peripheral side surface of the front end of the refill seat 30 is convexly provided with a second limiting portion 32, and the second limiting portion 32 is matched with the limiting salient point 12 for limiting; when the writing pen is used, the refill seat 30 is pressed by the refill 50, the ink inlet 302 enters the cavity 201 and is communicated with the cavity 201, ink in the cavity 201 flows into the ink inlet 302 and then enters the refill 50, the writing pen can write, and when the writing pen is not used, the ink inlet 302 is positioned outside the cavity 201, and the ink cannot enter the refill 50 through the ink inlet 302.
Detailed description the working principle of the present embodiment is as follows:
when the writing pen is used, the refill seat 30 is pressed by the refill 50, the ink inlet 302 enters the cavity 201 and is communicated with the cavity 201, ink in the cavity 201 flows into the ink inlet 302 and then enters the refill 50, the writing pen can write, when the writing pen is not used, the ink inlet 302 is located outside the cavity 201, ink cannot enter the refill 50 through the ink inlet 302, when the ink in the cavity 201 is used up, the pen tube can be slightly shaken, the ball 40 is separated from the rotary boss 13, the through hole 103 is opened, and therefore the ink flows into the cavity 201 again, and the ink is supplied to the refill 50.
The utility model discloses a design focus lies in: through having seted up the ink inlet on the installation department, this ink inlet intercommunication holds the hole, when writing and using the pen, the refill seat receives when pressing of refill, advance in the ink inlet gets into the cavity and with the cavity intercommunication, ink in the cavity flows into the ink inlet, thereby get into the refill, write and can write with the pen, when writing and using the pen when not using, the ink inlet is located outside the cavity, ink can not get into the refill through the ink inlet, effectively prevent that ink from outwards spilling over from the refill, cause the waste of ink.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (7)
1. A valve system for a writing pen, comprising: the pen core holder is arranged on the pen tube and comprises an inner plug and a pen core seat; the pen tube is internally provided with an ink storage cavity and an installation cavity, and the bottom of the ink storage cavity is provided with a through hole communicated with the installation cavity; the inner plug is arranged at the rear end of the mounting cavity, is provided with a concave cavity communicated with the through hole, and is provided with a mounting hole communicated with the concave cavity; this refill seat sets up in the installation cavity with moving about, has an accommodation hole that is used for fixed refill in the refill seat, and the rear end of refill seat has an installation department, and this installation department cartridge is movable about following the installation hole in the installation hole, has seted up into the china ink mouth on the installation department, should advance china ink mouth intercommunication accommodation hole.
2. The valve system for a writing pen according to claim 1, wherein: the rear end inner wall of installation cavity is provided with spacing step, and this inner plug is protruding to be equipped with first spacing portion, and this first spacing portion is spacing with spacing step cooperation.
3. The valve system for a writing pen according to claim 1, wherein: the inner plug is made of silica gel or rubber.
4. The valve system for a writing pen according to claim 1, wherein: the rear end of the refill seat is provided with a guide slope, and the guide slope is positioned on the front side of the mounting portion.
5. The valve system for a writing pen according to claim 1, wherein: the pen core holder is characterized in that a limiting convex point is convexly arranged on the inner wall of the front end of the mounting cavity, a second limiting part is convexly arranged on the peripheral side face of the front end of the pen core holder, and the second limiting part is matched with the limiting convex point for limiting.
6. The valve system for a writing pen according to claim 1, wherein: the ink inlet is two radially symmetrical.
7. The valve system for a writing pen according to claim 1, wherein: the ink storage cavity is internally provided with a boss, the through hole is positioned on the boss, and the pen tube further comprises a ball which can be arranged on the boss in a way of opening or closing the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221005674.7U CN217435372U (en) | 2022-04-28 | 2022-04-28 | Valve system for writing pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221005674.7U CN217435372U (en) | 2022-04-28 | 2022-04-28 | Valve system for writing pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217435372U true CN217435372U (en) | 2022-09-16 |
Family
ID=83216671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221005674.7U Active CN217435372U (en) | 2022-04-28 | 2022-04-28 | Valve system for writing pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217435372U (en) |
-
2022
- 2022-04-28 CN CN202221005674.7U patent/CN217435372U/en active Active
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