CN215397879U

CN215397879U - Pen with ink bag capable of being replaced quickly

Info

Publication number: CN215397879U
Application number: CN202120253374.XU
Authority: CN
Inventors: 徐佐周
Original assignee: Hangzhou Wenyan Technology Co ltd
Current assignee: Hangzhou Wenyan Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2022-01-04
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a pen capable of quickly replacing an ink bag, and aims to provide a pen capable of quickly replacing an ink bag, which is simple to operate and saves time and labor. The pen comprises a pen tube, an ink bag bin arranged inside the pen tube, an ink bag arranged in the ink bag bin, a pen body and a fixed mounting block connected with the pen tube and the pen body, wherein inner wall threads are arranged on the inner wall of the pen tube and are in matched connection with raised threads arranged at the lower end of the ink bag bin; the utility model has the beneficial effects that: the ink bag can be replaced without disassembling the pen tube, so that the risk of pollution to hands or clothes is avoided; the ink bag can be installed and withdrawn by rotating the pen tube, and the ink bag is simple and convenient to operate, time-saving and labor-saving.

Description

Pen with ink bag capable of being replaced quickly

Technical Field

The utility model relates to the technical field of stationery, in particular to a pen capable of quickly replacing an ink bag.

Background

The existing pens in the market, such as pens, water pens and the like, which use the ink bag mainly and generally adopt the plastic hose ink bag or the plug-in ink bag, a user needs to unscrew the pen tube to absorb ink or pull out the plug-in ink bag to replace the pen without ink, so that the ink is easily polluted to hands or clothes in the process, and the unscrewing of the pen tube wastes time and labor, and is relatively complex to operate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pen capable of quickly replacing an ink bag, which is simple in ink bag replacement operation, time-saving and labor-saving, and aims to overcome the defect that the ink bag replacement operation in the prior art is complex.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a pen of quick replacement ink sac, includes the pen tube, set up at the inside ink sac storehouse of pen tube, set up ink sac, the body in the ink sac storehouse and the fixed mounting piece of being connected with pen tube, the body, the pen tube inner wall set up the inner wall screw thread, the protruding screw-thread fit that inner wall screw thread and ink sac storehouse lower extreme set up is connected.

The pen comprises a pen tube, an ink bag bin is sleeved in the pen tube, an ink bag is sleeved in the ink bag bin, and the pen tube and a pen body are connected through a fixed mounting block. The inner wall of the pen tube is provided with inner wall threads, the lower end of the ink sac bin is provided with protruding threads, and the inner wall threads are meshed with the protruding threads. The pen tube is rotated to rotate with the fixed mounting block, the ink bag bin arranged in the pen tube and the pen tube are relatively displaced under the action of threaded engagement, the ink bag bin drives the ink bag to move upwards, the ink bag is separated from the pen body, the ink bag is withdrawn, and the ink bag can be mounted by reverse operation. The ink bag replacing operation is simple, time and labor are saved, the ink bag can be replaced quickly, and meanwhile, the risk that hands or clothes are polluted is avoided.

Preferably, the pen tube is provided with a strip-shaped hole through which the ink sac can pass, and the lower end of the inner wall of the pen tube is provided with an annular limiting bulge. The outline of the strip-shaped hole is larger than that of the ink bag, the ink bag can directly penetrate through the strip-shaped hole, the ink bag can be replaced without detaching the pen tube, the ink bag is convenient to replace, and time and labor are saved.

Preferably, a through hole is formed in the side face of the ink bag bin, a guide post is arranged at one end of the ink bag bin, a through hole is formed in the other end of the ink bag bin, the guide post is arranged below the raised thread, and a limiting hole is formed in the center of the raised thread. The size of the through hole enables the ink bag to pass smoothly, and the ink bag is convenient to mount and take out; the guide column has the guide function, so that the ink sac bin can move up and down in the pen tube and cannot rotate along with the rotation of the pen tube; the via hole and the limiting hole can play a role in fixing the ink bag.

Preferably, an ink outlet is formed in one end of the ink bag, an annular limiting hole is formed in the top end of the ink outlet, the ink outlet is formed in a limiting hole of the ink bag bin, a guide circular truncated cone is arranged at the other end of the ink bag, and the guide circular truncated cone is arranged in a through hole of the ink bag bin. The ink outlet is connected and matched with the limiting hole, the guide round platform is connected and matched with the via hole, the installation reliability of the ink bag is guaranteed, meanwhile, the installation guide is provided, the ink bag is convenient to replace, and time and labor are saved.

Preferably, an ink guide tube is arranged inside the pen body and connected with an ink outlet of the ink bag, the lower end of the pen body is connected with the pen point, an ink inlet is formed in the upper end of the pen body, and an outer wall thread is arranged on the side face of the pen body at one end close to the ink inlet. The ink guide tube is matched and connected with the ink outlet, so that ink in the ink bag enters the pen point through the ink guide tube, and the writing function of the pen is realized.

Preferably, the upper end of the fixed mounting block is provided with an annular sliding groove, and the annular limiting bulge is arranged in the annular sliding groove. The annular limiting protrusion on the pen tube is connected with the annular sliding groove in a matched mode, so that the pen tube and the fixed mounting block can rotate relatively, the ink bag can be connected with and separated from the ink guide tube through rotation, the ink bag can be replaced more quickly, and time and labor are saved.

Preferably, the lower end of the fixed mounting block is provided with a threaded hole, the threaded hole is in threaded fit connection with the outer wall, a guide groove is formed in the inner wall of the fixed mounting block, and the guide column is inserted into the guide groove. The guide groove is matched with a guide post arranged on the ink sac bin to play a role in guiding.

Preferably, the inner wall of the ink inlet is provided with a limiting bulge, and the limiting bulge is in limiting fit with the annular part. The limiting bulge is in limiting fit with the annular part, so that clamping is realized when the ink inlet of the ink bag is connected with the ink guide tube, and the connection reliability is ensured.

The utility model has the beneficial effects that: the ink bag can be replaced without disassembling the pen tube, so that the risk of pollution to hands or clothes is avoided; the ink bag can be installed and withdrawn by rotating the pen tube, and the ink bag is simple and convenient to operate, time-saving and labor-saving.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is a schematic view of the construction of the barrel component of the present invention;

FIG. 4 is a schematic view of the ink bag cartridge component of the present invention;

FIG. 5 is a schematic structural view of an ink bag member of the present invention;

FIG. 6 is a cross-sectional view of a fixed mounting block component of the present invention;

FIG. 7 is a cross-sectional view of the barrel and associated components of the present invention;

fig. 8 is a partially enlarged view of the pen body and related parts of the present invention.

In the drawings:

1. the pen tube, 101, a strip-shaped hole, 102, an annular limiting protrusion and 103, inner wall threads;

2. the ink bag comprises an ink bag bin, 201 through holes, 202 guide columns, 203 raised threads, 204 through holes, 205 limiting holes;

3. the ink bag 301, the ink outlet 302, the annular limiting part 303 and the guide circular table;

4. the mounting block is fixed, the 401 annular sliding groove is formed, the 402 threaded hole is formed, and the 403 guide groove is formed;

5. the pen body, 501 outer wall threads, 502 ink inlet, 503 limiting bulges;

6. an ink guide tube;

7. a pen point.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

In the case of the example 1, the following examples are given,

as shown in fig. 1, 3 and 4, a pen capable of rapidly replacing an ink bag is characterized by comprising a pen tube 1, an ink bag bin 2 arranged inside the pen tube 1, an ink bag 3 arranged in the ink bag bin 2, a pen body 5 and a fixed mounting block 4 connected with the pen tube 1 and the pen body 5, wherein inner wall threads 103 are arranged on the inner wall of the pen tube 1, and the inner wall threads 103 are matched and connected with raised threads 203 arranged at the lower end of the ink bag bin 2.

As shown in fig. 3, a strip-shaped hole 101 through which the ink bag 3 can pass is formed in the pen tube 1, and an annular limiting protrusion 102 is formed at the lower end of the inner wall of the pen tube 1.

As shown in fig. 4, a through hole 201 is formed in a side surface of the ink bag chamber 2, a guide post 202 is arranged at one end of the ink bag chamber 2, a through hole 204 is formed at the other end of the ink bag chamber 2, the guide post 202 is arranged below a raised thread 203, and a limit hole 205 is formed in the center of the raised thread 203.

As shown in fig. 5, an ink outlet 301 is provided at one end of the ink bag 3, an annular limit 302 is provided at the top end of the ink outlet 301, the ink outlet 301 is provided in the limit hole 205 of the ink bag chamber 2, a guide circular truncated cone 303 is provided at the other end of the ink bag 3, and the guide circular truncated cone 303 is provided in the through hole 204 of the ink bag chamber 2.

As shown in fig. 1, 2 and 8, an ink guide tube 6 is arranged inside the pen body 5, the ink guide tube 6 is connected with an ink outlet 301 of the ink bag 3, the lower end of the pen body 5 is connected with a pen point 7, an ink inlet 502 is arranged at the upper end of the pen body 5, and an outer wall thread 501 is arranged on the side surface of the pen body 5 at one end close to the ink inlet 502.

As shown in fig. 6 and 8, an annular sliding groove 401 is provided at the upper end of the fixed mounting block 4, the annular limiting protrusion 102 is disposed in the annular sliding groove 401, a threaded hole 402 is provided at the lower end of the fixed mounting block 4, the threaded hole 402 is connected with an outer wall thread 501 in a matching manner, a guide groove 403 is provided on the inner wall of the fixed mounting block 4, and the guide post 202 is inserted into the guide groove 403.

As shown in fig. 8, a limiting protrusion 503 is provided on the inner wall of the ink inlet 502, and the limiting protrusion 503 is engaged with the annular limiting portion 302.

The working principle of the utility model is as follows: when the ink bag 3 is replaced, the pen tube 1 is rotated, under the guiding action of the matching of the guide column 202 and the guide groove 403, the ink bag bin 2 moves axially, the ink outlet 301 of the ink bag 3 is pulled out from the ink inlet 502 of the pen body, the ink outlet 301 is separated from the ink guide tube 6, the annular limiting protrusion 302 is separated from the limiting protrusion 503, the pen is inclined, and the ink bag 3 is taken out through the through hole 201 and the strip-shaped hole 101. Taking a new ink bag 3 and placing the new ink bag into the ink bag bin 2, reversely rotating the pen tube 1 to enable the ink outlet 301 of the ink bag 3 to be inserted into the ink inlet 502, clamping the annular limiting 302 to the lower end of the limiting protrusion 503 to complete limiting, inserting the ink guide tube 6 into the ink outlet 301, standing, and achieving quick replacement of the ink bag.

Claims

1. The utility model provides a pen of quick replacement ink sac, characterized by, includes pen tube (1), sets up in inside ink sac storehouse (2) of pen tube (1), set up ink sac (3) in ink sac storehouse (2), body of a brush (5) and fixed mounting piece (4) of being connected with pen tube (1), body of a brush (5), pen tube (1) inner wall set up inner wall screw thread (103), inner wall screw thread (103) are connected with protruding screw thread (203) cooperation that ink sac storehouse (2) lower extreme set up.

2. The pen for rapidly replacing the ink bag as claimed in claim 1, wherein the pen tube (1) is provided with a strip-shaped hole (101) for passing through the ink bag (3), and the lower end of the inner wall of the pen tube (1) is provided with an annular limiting bulge (102).

3. The pen capable of rapidly replacing the ink bag as claimed in claim 1, wherein a through hole (201) is formed in the side surface of the ink bag bin (2), a guide column (202) is arranged at one end of the ink bag bin (2), a through hole (204) is formed in the other end of the ink bag bin (2), the guide column (202) is arranged below the raised thread (203), and a limiting hole (205) is formed in the center of the raised thread (203).

4. The pen capable of rapidly replacing the ink bag as claimed in claim 3, wherein an ink outlet (301) is formed in one end of the ink bag (3), an annular limiting hole (302) is formed in the top end of the ink outlet (301), the ink outlet (301) is formed in a limiting hole (205) of the ink bag bin (2), a guide circular truncated cone (303) is formed in the other end of the ink bag (3), and the guide circular truncated cone (303) is formed in a through hole (204) of the ink bag bin (2).

5. The pen capable of rapidly replacing the ink bag as claimed in claim 4, wherein an ink guide tube (6) is arranged inside the pen body (5), the ink guide tube (6) is connected with the ink outlet (301) of the ink bag (3), the lower end of the pen body (5) is connected with the pen point (7), the upper end of the pen body (5) is provided with an ink inlet (502), and the side of the pen body (5) close to the ink inlet (502) is provided with outer wall threads (501).

6. The pen capable of rapidly replacing the ink bag as claimed in claim 2, wherein the upper end of the fixed mounting block (4) is provided with an annular sliding groove (401), and the annular limiting protrusion (102) is arranged in the annular sliding groove (401).

7. The pen for rapidly replacing the ink sac according to claim 5, wherein a threaded hole (402) is formed in the lower end of the fixing mounting block (4), the threaded hole (402) is in fit connection with an outer wall thread (501), a guide groove (403) is formed in the inner wall of the fixing mounting block (4), and the guide column (202) is inserted into the guide groove (403).

8. The pen capable of rapidly replacing the ink bag as claimed in claim 5, wherein a limiting protrusion (503) is arranged on the inner wall of the ink inlet (502), and the limiting protrusion (503) is matched with the annular limiting part (302).