Spiral inking device and pen with same
By using a spiral ink converter and a multi-channel design, the fountain pen solves the problems of complex ink filling operation and simple design of traditional fountain pens, and achieves the convenience of automatic ink filling, stable supply and multi-color writing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-27
AI Technical Summary
Existing fountain pen ink filling mechanisms are complex to operate, making it difficult to precisely control the amount of ink injected, which easily smudges the hand, and traditional designs lack diverse writing experiences.
It adopts a spiral ink converter, which drives the piston rod to move axially along the ink reservoir by rotating the push rod. Combined with the drive component, it realizes automatic ink filling. It is designed with multiple receiving channels and locking components to ensure stable ink supply and seal against ink leakage.
It achieves precise control of ink injection, simplifies the ink filling process, avoids ink leakage and contamination, enhances writing smoothness and convenience, and supports multi-color writing.
Smart Images
Figure CN224044932U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to daily necessities technical field, more specifically relates to a spiral ink applicator and the pen with it. BACKGROUND
[0002] As a traditional writing tool, the performance of the ink supply system of the pen directly affects the writing fluency and user experience. In the prior art, the ink filling methods of the pen mainly include squeeze type ink sac and replaceable ink tube design, but these technical solutions generally have the following defects, which limit their application range and reliability:
[0003] The traditional squeeze type ink sac relies on manual pressure by the user to achieve ink filling by pinching the soft ink sac. However, manual operation cannot accurately control the squeezing force, and it is tedious and easy to get hands dirty. When manually filling ink, the nib needs to be immersed in the ink to absorb the ink, which not only easily causes ink overflow, but also may contaminate the desktop and clothes. At the same time, the traditional pen usually only focuses on single writing function in design, and lacks optimization of overall writing experience.
[0004] Therefore, how to provide an ink applicator and pen that solve the problems of complex operation of the ink filling device in the prior art and single design that cannot meet diversified needs is a problem that needs to be solved by those skilled in the art. SUMMARY
[0005] Therefore, the utility model provides a spiral ink applicator and pen with it, aiming to fill in the blank of direct winding products.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A spiral ink applicator, comprising:
[0008] An ink storage cylinder, one end of which is fixed with an ink needle head in communication with the inside thereof, and a piston and a piston rod are slidably connected in the inside of the ink storage cylinder;
[0009] A push rod, one end of which is rotatably connected to the end of the ink storage cylinder away from the ink needle head and is threadedly connected with the piston rod, and the other end of the push rod extends axially to the outside of the ink storage cylinder and is fixed with a transmission part;
[0010] A drive assembly, which is drivingly linked with the transmission part, is used to drive the push rod to rotate, thereby driving the piston rod to move axially along the ink storage cylinder to realize ink filling.
[0011] Through the technical scheme, the utility model discloses a spiral ink applicator, the rotation of push rod drives piston rod axial movement along ink storage cylinder, can accurate control the injection amount and injection speed of ink, realizes automatic ink application function, simplifies the cumbersome operation of traditional pen manual filling ink or replacement ink bag, avoids traditional extrusion type ink application ink leakage problem simultaneously.
[0012] Preferably, in the above-mentioned spiral ink applicator, the side wall of the ink needle is provided with an ink injection hole. The ink injection hole can ensure that the ink smoothly enters the ink storage cylinder during the ink application process, improve the ink suction efficiency, and reduce the ink application time. The design of the ink injection hole can guide the ink to smoothly enter the ink storage cylinder, avoid the ink overflow phenomenon caused by poor ink inflow during the ink injection process, and keep the pen and the surrounding environment clean.
[0013] The utility model also provides a pen, which comprises a pen head, a pen grip, a pen barrel and the above-mentioned spiral ink applicator.
[0014] One end of the pen grip is detachably connected with the pen head, and an ink chamber in communication with an ink inlet end of the pen head and an ink injection channel in communication with the ink chamber are formed in the pen grip.
[0015] One end of the pen barrel is detachably connected with the end of the pen grip away from the pen head, and a plurality of accommodation channels are formed in the pen barrel. A storage cylinder is coaxially and slidably connected in each of the accommodation channels. The ink needle extends into the ink chamber through the ink injection channel. A cap is detachably connected to the other end of the pen barrel. The driving assembly is rotatably connected to the inside of the cap and is in transmission connection with the transmission part.
[0016] Through the technical scheme, the utility model provides a pen. A plurality of accommodation channels are arranged in the pen barrel. Each channel independently accommodates a storage cylinder. The ink storage capacity of the pen is increased, the use time of the pen is prolonged, the user's trouble of frequent ink application is reduced, the multi-channel design can realize multi-path ink supply, the stable supply of ink during writing is ensured, the writing interruption caused by single-channel blockage or insufficient ink is avoided, and the writing fluency is further improved. In addition, each storage cylinder can store different colors or types of ink as needed, realizing color writing.
[0017] The transmission part is a first gear, and the driving assembly comprises a rotating column rotatably connected to the cap. A second gear meshing with the first gear is fixed to the outside of the rotating column. The spiral ink applicator can be driven to complete the ink application operation by rotating the rotating column. The operation is simple and convenient, the operation mode of the ink application process is optimized, the user does not need to disassemble the pen barrel or manually squeeze the ink bag, the operation steps and the risk of dirtying hands are reduced, and the overall experience of using the pen is improved.
[0018] Preferably, in the above-mentioned pen, the inner side wall of the accommodating channel is formed with a stepped surface, the outer side of the push rod is sleeved with a return spring, and the return spring is tightly pressed between the stepped surface and the end surface of the ink storage barrel. The return spring is sleeved on the outer side of the push rod, which can automatically reset the ink storage barrel after the locking pin is released, so that the ink feeding needle returns to the ink injection channel. This design ensures that the ink feeding needle can automatically return to the correct position after each use, improving the convenience and reliability of use.
[0019] Preferably, in the above-mentioned pen, a silica gel ring is installed in the ink injection channel, and the ink feeding needle is axially slidably connected to the inner side of the silica gel ring.
[0020] Preferably, in the above-mentioned pen, a locking assembly is further included, the locking assembly comprises an L-shaped clamping groove formed on the side wall of the pen grip and a locking pin, one end of the locking pin is located on the outer side of the pen grip, and the other end is fixedly connected with the ink storage barrel through the L-shaped clamping groove. Pushing the locking pin along the L-shaped clamping groove drives the ink storage barrel to move axially along the pen barrel, so that the ink feeding needle is withdrawn into the silica gel ring inside the ink injection channel, achieving sealing and ink stopping. The locking assembly can move the ink storage barrel axially along the pen barrel by the design of the L-shaped clamping groove and the locking pin, so that the ink feeding needle is withdrawn into the ink injection channel, achieving sealing and ink stopping. This function can effectively prevent ink from spilling when not in use, prolong the service life of the ink, and move the ink storage barrel and stop the ink by simply pushing the locking pin, which is flexible and convenient to operate without complex operation steps.
[0021] Preferably, in the above-mentioned pen, a plurality of the accommodating channels are circumferentially arranged inside the pen barrel.
[0022] Preferably, in the above-mentioned pen, the number of the spiral ink feeders, the ink injection channels and the locking assemblies is the same as the number of the accommodating channels. The design of multiple accommodating channels, spiral ink feeders, ink injection channels and locking assemblies can significantly increase the storage capacity of the pen, prolong the use time of the pen, and reduce the user's trouble of frequent ink feeding; the multi-channel design can realize multi-channel ink supply, ensure stable ink supply during writing, avoid writing interruption caused by single-channel blockage or insufficient ink, and further improve the writing fluency; at the same time, different colors of ink can be prevented in multiple ink storage barrels, realizing color writing.
[0023] Preferably, in the above-mentioned pen, a pen cap is further included, which is arranged on the outer side of the pen head. The arrangement of the pen cap can effectively protect the pen head from collision, scratching or pollution, prolong the service life of the pen head, prevent the pen head from being exposed to the air when not in use, avoid the evaporation of ink, ensure smooth ink flow when the pen is used next time, and improve the convenience of use.
[0024] Via the technical scheme, compared with the prior art, the utility model discloses a spiral ink applicator and pen with same, which has the following beneficial effects:
[0025] 1、 the utility model discloses a push rod rotation can drive piston rod axial movement along the ink storage cylinder, through the screw drive of push rod and piston rod, rotation motion is converted into linear displacement, realize the injection of ink at the same time, improve the precision of ink injection, do not need complex pressing or multiple adjustment operation, simplify the ink process.
[0026] 2、 the utility model discloses the design of the ink chamber and ink injection channel in pen grip, ensure the stable supply of ink during writing, avoid the insufficient or excessive supply of ink;The compact structure of spiral ink applicator can effectively utilize the internal space of pen, without affecting the overall appearance and portability of pen.
[0027] 3、 the design of locking assembly can effectively prevent the overflow of ink when not using, prolong the service life of ink.
[0028] 4、 the design of multiple containing channels, spiral ink applicator, ink injection channel and locking assembly can increase the storage capacity of ink, prolong the use time, and store different colors of ink in different ink storage cylinders according to the need, realize color writing. BRIEF DESCRIPTION OF DRAWINGS
[0029] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only the embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.
[0030] Figure 1 The drawing is the structure schematic view of the spiral ink applicator provided by the utility model;
[0031] Figure 2 The drawing is Figure 1 The sectional view of the drawing;
[0032] Figure 3 The drawing is the structure schematic view of the pen provided by the utility model;
[0033] Figure 4 The drawing is Figure 3 The sectional view of the drawing;
[0034] Figure 5 The drawing is the structure schematic view of the driving assembly provided by the utility model;
[0035] Figure 6 The accompanying drawings are Figure 5 The cross-sectional view of the drawings;
[0036] Figure 7 The accompanying drawings are structural schematic diagrams of a pen barrel and a spiral inker provided by the utility model;
[0037] Figure 8 The accompanying drawings are Figure 7 The cross-sectional view of the drawings;
[0038] Figure 9 The accompanying drawings are structural schematic diagrams of a pen grip provided by the utility model;
[0039] Figure 10 The accompanying drawings are Figure 9 The cross-sectional view of the drawings;
[0040] Figure 11 The accompanying drawings are structural schematic diagrams of a pen with a pen cap provided by the utility model;
[0041] Figure 12 The accompanying drawings are structural schematic diagrams of a pen point provided by the utility model;
[0042] Figure 13 The accompanying drawings are structural schematic diagrams of an arc-shaped plate provided by the utility model;
[0043] Figure 14 The accompanying drawings are structural schematic diagrams of a pen tongue and a pen point provided by the utility model;
[0044] Figure 15 The accompanying drawings are Figure 14 The exploded view of the drawings.
[0045] Wherein:
[0046] 1-ink storage cylinder; 11-inking needle; 111-inking hole; 12-piston; 13-piston rod; 2-push rod; 21-transmission part; 22-return spring; 3-driving assembly; 31-rotating column; 32-second gear; 4-pen point; 41-sleeve; 42-pen point body; 421-pen point; 4211-ink leading seam; 4212-clamping groove; 422-pen tongue; 4221-annular groove; 4222-ink leading groove; 43-adjusting ring; 431-annular clamping groove; 44-arc-shaped plate; 441-convex strip; 5-pen grip; 51-ink chamber; 52-inking channel; 6-pen barrel; 61-containing channel; 611-step surface; 62-cap; 7-locking assembly; 71-L-shaped clamping groove; 72-locking pin; 8-pen cap. DETAILED DESCRIPTION
[0047] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0048] Example 1:
[0049] Participate in the attached Figures 1-2 This utility model discloses a spiral ink converter, comprising:
[0050] The ink reservoir 1 has an ink feeding needle 11 fixed at one end, which communicates with its interior. The interior of the ink reservoir 1 is slidably connected to a piston 12 and a piston rod 13.
[0051] Push rod 2, one end of push rod 2 is rotatably connected to the end of ink reservoir 1 away from ink needle 11 and threadedly connected to piston rod 13, the other end of push rod 2 extends axially to the outside of ink reservoir 1 and is fixed with transmission part 21;
[0052] The drive assembly 3 is connected to the transmission part 21 and is used to drive the push rod 2 to rotate, thereby driving the piston rod 13 to move axially along the ink storage cylinder 1 to realize ink injection.
[0053] To further optimize the above technical solution, an ink injection hole 111 is provided on the side wall of the ink needle 11.
[0054] See appendix Figures 3-10 This utility model embodiment discloses a fountain pen, including a fountain pen nib 4, a pen grip 5, a pen barrel 6, and the aforementioned spiral ink converter;
[0055] like Figure 4 As shown, one end of the pen grip 5 is detachably connected to the pen tip 4, and an ink chamber 51 communicating with the ink inlet end of the pen tip 4 and an ink filling channel 52 communicating with the ink chamber 51 are formed inside it.
[0056] like Figures 4-7 As shown, one end of the pen barrel 6 is detachably connected to the end of the pen grip 5 away from the pen tip, and it has multiple receiving channels 61 inside. Each receiving channel 61 is coaxially slidably connected to an ink reservoir 1. The ink filling needle 11 extends through the ink filling channel 52 into the ink chamber 51. The other end of the pen barrel 6 is detachably connected to a cap 62. The drive assembly 3 is rotatably connected to the inside of the cap 62 and is connected to the transmission part 21 for transmission.
[0057] In this embodiment, the pen tip uses a conventional pen tip from the prior art, and its structure and working principle are the same as those of the prior art, so they will not be described again here.
[0058] In order to further optimize the above technical solutions, as shown in Figures 4-6 The transmission part 21 is a first gear, the drive assembly 3 includes a rotating column 31 rotatably connected in the cap 62, and the outer side sleeve of the rotating column 31 is provided with a second gear 32 engaged with the first gear.
[0059] In order to further optimize the above technical solutions, as shown in Figure 7 The inner side wall of the containing channel 61 is formed with a stepped surface 611, and the outer side sleeve of the push rod 2 is provided with a return spring 22 abutting between the stepped surface 611 and the end surface of the ink storage barrel 1.
[0060] In order to further optimize the above technical solutions, a silica gel ring (not shown in the figure) is installed in the ink injection channel 52, and the ink feeding needle 11 is axially and slidably connected to the inner side of the silica gel ring.
[0061] In order to further optimize the above technical solutions, as shown in Figures 9-11 Further comprising a locking assembly 7, the locking assembly 7 includes an L-shaped clamping groove 71 opened on the side wall of the pen grip 5 and a locking pin 72, one end of the locking pin 72 is located on the outer side of the pen grip 5, the other end is fixedly connected with the ink storage barrel 1 through the L-shaped clamping groove 71, and the locking pin 72 is pushed along the L-shaped clamping groove 71 to drive the ink storage barrel 1 to move axially along the pen barrel 6, so that the ink feeding needle 11 is withdrawn into the silica gel ring inside the ink injection channel 52, and sealing ink is achieved.
[0062] In order to further optimize the above technical solutions, as shown in Figure 7 A plurality of containing channels 61 are circumferentially arranged in the pen barrel 6.
[0063] In order to further optimize the above technical solutions, the pen barrel 6 is a double-layer cylindrical structure, and the containing channel 61 is opened in the inner layer cylinder.
[0064] In order to further optimize the above technical solutions, the number of the spiral ink feeder, the ink injection channel 52 and the locking assembly 7 is multiple, and is the same as the number of the containing channel 61.
[0065] In order to further optimize the above technical solutions, further comprising a pen cap 8 covering the outer side of the pen head.
[0066] Embodiment 2:
[0067] The utility model discloses a pen, including pen head 4, pen grip 5, pen barrel 6 and spiral ink feeder, and the pen head 4 includes sleeve 41 and the pen head body 42 of splicing on sleeve 41, and the pen head body 42 has the ink lead seam 4211 on the pen nib 421, still include:
[0068] Adjusting ring 43 is screw -threaded connection in sleeve 41 and the one end of splicing of pen head body 42;
[0069] The arc-shaped plate 44 is matched with the outer surface of the pen nib 421 having the ink leading gap 4211 on the inner concave surface, and the two side edges of the arc-shaped plate 44 are clamped with the two side edges of the pen nib 421 to limit the separation of the arc-shaped plate 44 and the outer surface of the pen nib 421, and the end edge of the arc-shaped plate 44 is in abutment with the end surface of the adjusting ring 43, and the arc-shaped plate 44 is moved to the tip end of the pen nib 421 by rotating the adjusting ring 43, so that the two side edges of the arc-shaped plate 44 can exert a pressing force to the two side edges of the pen nib 421 in the direction of the central axis, so as to adjust the width of the ink leading gap 4211.
[0070] In order to further optimize the above technical scheme, the two side edges of the arc-shaped plate 44 are provided with protrusions 441 protruding towards the inner concave surface, and the two protrusions 441 are clamped on the two side edges of the pen nib 421.
[0071] In order to further optimize the above technical scheme, the pen head body 42 further comprises a pen tongue 422, a plurality of annular grooves 4221 are arranged on the pen tongue 422, and an ink leading groove 4222 is formed in the side wall of the pen tongue 422 and communicated with the plurality of annular grooves 4221; the pen nib 421 is arranged around the outer surface of the side of the pen tongue 422 having the ink leading groove 4222, and the ink leading gap 4211 corresponds to the ink leading groove 4222.
[0072] In order to further optimize the above technical scheme, the side of the pen tongue 422 away from the tip end of the pen nib 421 is provided with a clamping block 4223, and the root of the pen nib 421 is provided with a clamping groove 4212 clamped with the clamping block 4223.
[0073] In order to further optimize the above technical scheme, the pen grip 5 is coaxially sleeved on the outside of the sleeve 41, and one end of the pen grip 5 is inserted into the adjusting ring 43.
[0074] In order to further optimize the above technical scheme, the inner wall of the end of the adjusting ring 43 away from the pen nib 421 is formed with an annular insertion groove 431, and the pen grip 5 is inserted into the annular insertion groove 431.
[0075] In order to further optimize the above technical scheme, the ink chamber 51 formed in the pen grip 5 is communicated with the ink inlet end of the pen tongue 32.
[0076] The structure and the embodiment of the screw type ink feeder of the pen grip 5 and the pen barrel 6 are the same as those of the embodiment 1, and will not be described here.
[0077] Therefore, the pen can be matched with the ordinary pen head, or can be matched with the pen head capable of adjusting the ink flow in the embodiment 2, and has wide applicability and meets different writing requirements.
[0078] The embodiment of the pen of the present application is as follows:
[0079] When ink needs to be sucked, the rotating column 31 is rotated to drive the second gear 32 to rotate, and since the second gear 32 is engaged with the transmission part 21 (the first gear), the transmission part 21 (the first gear) drives the push rod 2 to rotate, and then the piston rod 13 slides along the axial direction of the ink storage cylinder 1 to realize ink sucking; when ink needs to be injected into the ink chamber 51, the rotating column 31 is reversely rotated to drive the second gear 32 to rotate, and then the piston rod 13 slides along the axial direction of the ink storage cylinder 1 in the reverse direction to realize ink injection into the ink chamber 51; the locking assembly 7 is also disclosed in the embodiment, when the locking pin 72 is located at the top end of the vertical slot of the L-shaped clamping groove 71, the ink feeding needle 11 of the ink storage cylinder 1 extends into the ink chamber 51 through the ink injection channel 52, and ink injection can be realized; when the locking pin 72 is moved into the horizontal slot of the L-shaped clamping groove 71, the locking pin 72 drives the ink storage cylinder 1 to move away from the pen head, so that the ink feeding needle 11 retreats into the ink injection channel 52, and at the same time, the ink injection channel 52 has a silica gel ring, which seals the ink injection hole 111, and at the same time, the transmission part 21 (the first gear) is no longer engaged with the second gear 32, so that the rotating column 31 cannot be rotated to realize ink injection, and the ink stored in the ink storage cylinder 1 cannot flow into the ink chamber 51.
[0080] The embodiment of the utility model discloses 2 implementation ways for;
[0081] When the width of the ink leading gap 4211 needs to be adjusted, only need to rotate the adjusting ring 43 clockwise or counterclockwise, can drive the arc plate 44 to move along the axial direction of the pen tip 421, by the convex strip 441 of the two side edges of the arc plate 44, to the central axis direction extrusion force is applied to the two side edges of the pen tip 421, can adjust the width of the ink leading gap 4211.
[0082] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.
[0083] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications of these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown in the text, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A spiral inker characterized by comprising: The application relates to a spiral ink feeder. The application comprises an ink storage cylinder (1) fixed at one end with an ink feeding needle (11) communicating with the inside of the ink storage cylinder (1), a piston (12) and a piston rod (13) slidingly connected in the inside of the ink storage cylinder (1); a push rod (2) rotationally connected at one end of the ink storage cylinder (1) away from the ink feeding needle (11) and screwedly connected with the piston rod (13), the other end of the push rod (2) extending axially to the outside of the ink storage cylinder (1) and fixed with a transmission part (21); a driving assembly (3) drivingly connected with the transmission part (21) for driving the push rod (2) to rotate and further driving the piston rod (13) to move axially along the ink storage cylinder (1) to realize ink injection.
2. A spiral inker as claimed in claim 1, wherein An ink injection hole (111) is formed in the side wall of the ink feeding needle (11).
3. A pen characterized by The application further comprises a pen head (4), a pen grip (5), a pen barrel (6) and the spiral ink feeder of claim 1 or 2. One end of the pen grip (5) is detachably connected with the pen head (4), the inside of the pen grip (5) is formed with an ink chamber (51) communicating with the ink inlet end of the pen head (4) and an ink injection channel (52) communicating with the ink chamber (51); One end of the pen barrel (6) is detachably connected with the end of the pen grip (5) away from the pen head (4), the inside of the pen barrel (6) is provided with a plurality of accommodating channels (61), each of the accommodating channels (61) is coaxially slidingly connected with the ink storage cylinder (1), the ink feeding needle (11) extends to the inside of the ink chamber (51) through the ink injection channel (52), the other end of the pen barrel (6) is detachably connected with a cap (62), the driving assembly (3) is rotationally connected to the inside of the cap (62) and drivingly connected with the transmission part (21).
4. A pen according to claim 3, wherein The transmission part (21) is a first gear, the driving assembly (3) comprises a rotating column (31) rotationally connected to the inside of the cap (62), the outside of the rotating column (31) is sleeved with a second gear (32) meshing with the first gear.
5. A pen according to claim 3, wherein The inside wall of the accommodating channel (61) is formed with a stepped surface (611), the outside of the push rod (2) is sleeved with a return spring (22), the return spring (22) is tightly pressed between the stepped surface (611) and the end surface of the ink storage cylinder (1).
6. A pen according to claim 3, wherein A silica gel ring is installed in the ink injection channel (52), the ink feeding needle (11) is axially slidingly connected to the inside of the silica gel ring.
7. A pen according to claim 6, wherein The application further comprises a locking assembly (7) comprising an L-shaped clamping groove (71) formed in the side wall of the pen grip (5) and a locking pin (72), one end of the locking pin (72) is located at the outside of the pen grip (5), the other end of the locking pin (72) is fixedly connected with the ink storage cylinder (1) through the L-shaped clamping groove (71), the locking pin (72) is pushed along the L-shaped clamping groove (71) to drive the ink storage cylinder (1) to move axially along the pen barrel (6) so that the ink feeding needle (11) is withdrawn into the silica gel ring in the inside of the ink injection channel (52) to realize sealing and ink stopping.
8. A pen according to claim 7, wherein A plurality of said containing channels (61) are circumferentially arranged inside said pen barrel (6).
9. A pen according to claim 8, wherein A plurality of said spiral inkers, said ink injection channels (52) and said locking assemblies (7) are provided, and the number of said spiral inkers, said ink injection channels (52) and said locking assemblies (7) is the same as the number of said containing channels (61).
10. A pen according to claim 3, wherein A cap (8) is further included, which covers the outside of said pen head.