Magnetic replaceable interface ink absorber and inking method thereof

Abstract

The invention discloses a magnetic replaceable interface ink sucker and an inking method thereof, and relates to the technical field of writing instruments, the magnetic replaceable interface ink sucker comprises a base and a pen body, one end of the base is provided with a stand column, the side face of the stand column is provided with a limiting hole, and an N-pole magnet guide block is slidably connected into the hole; one end of the pen body is in threaded connection with the pen nib, the pen nib is connected with the ink absorber, and an annular clamping groove is formed in the upper end in the ink absorber and connected with the ink absorbing assembly in a clamped mode. The ink suction assembly comprises a clamping piece, an elastic piece, a connecting column, a connecting disc, an S-pole magnet block, a piston and the like, and the clamping piece is provided with an N-pole magnet piece and is connected with the connecting disc through the elastic piece; a magnet disc is arranged at the top of the sleeve, and a first spring is arranged at the top of the magnet disc; the ink absorption assembly is further provided with an ejector and a second spring. A replaceable adapter is arranged at the bottom of the ink absorber; the bottom of the ink suction device is provided with the replaceable adapter ports with various diameters and sizes, and the cross-shaped structure of the clamping piece is clamped with the clamping groove, so that multi-direction interference of surrounding magnetic parts can be prevented.

Description

Technical Field

[0001] This invention relates to the field of writing instrument technology, and in particular to a magnetic replaceable interface ink converter and its ink filling method. Background Technology

[0002] Most existing fountain pen filling methods involve rotary piston filling with an ink converter, squeezing a flexible tube to fill ink, or negative pressure filling, or the use of disposable ink cartridges. These filling methods mostly require disassembling the pen tube, which is quite troublesome. Some brands' own filling methods are limited to a specific model of their own pen and cannot be compatible with other models or brands of fountain pens, thus making it difficult to have a wide range of applications. Furthermore, for magnetic fountain pens, the magnetic piston is easily affected by external magnetic components, which can cause it to shift and leak ink. Summary of the Invention

[0003] This application provides a magnetically replaceable interface ink converter and its ink filling method, solving the technical problems of incompatibility in existing ink converters, which makes them difficult to apply on a large scale, and the magnetic piston being easily affected by external magnetic components, leading to displacement and ink leakage. The ink converter has replaceable adapters of various diameters installed at its bottom, and the cross-shaped structure of the locking piece engages with the slot, preventing multi-directional interference from surrounding magnetic components. Furthermore, when the surrounding magnetic components are S-pole, they attract the locking piece to move outwards, making it more securely locked in the slot. The magnetic pieces on the locking piece prevent ink leakage caused by displacement of the ink-absorbing assembly.

[0004] This application provides a magnetic replaceable interface ink converter and its ink filling method, including an L-shaped base and a pen body. A column is fixedly connected to one end of the base, and a rounded rectangular limiting hole is opened on the side of the column facing the base. A magnetic guide block with an N pole is slidably connected to the limiting hole. A pen nib is threadedly connected to one end of the pen shell of the pen body, and an ink converter is threadedly connected to the other end of the pen nib. An annular groove is opened at the upper end of the inner cross section of the ink converter. An ink-absorbing assembly is engaged in the ink converter through the groove. The ink-absorbing assembly includes a clip, an elastic element, a connecting column, a connecting plate, a magnetic block, and a piston. A connecting plate is fixedly connected to the bottom of the connecting column, an elastic element is fixedly connected to the connecting plate, a clip is fixedly connected to the elastic element, an S pole magnetic block is fixedly connected to the lower end of the connecting plate, and a piston is fixedly connected to the lower end of the magnetic block. The ink-absorbing assembly is engaged in the groove by the clip. The ink absorption assembly also includes a limiting block, a limiting ball, a magnet disk, and a spring. A cylindrical limiting block is fixed to the connecting column, and a limiting ball is fixed to the top of the limiting block. The outer edge of the connecting post is fitted with a sleeve, which is slidably connected to the connecting post. A ring-shaped S-pole magnet is fixedly connected to the top of the sleeve, and a copper spring is fixedly connected to the top of the magnet. The other end of the spring is fixedly connected to the bottom of the limiting block. The ink absorption assembly also includes a top piece and a copper spring. The top piece is a cross-shaped structure composed of four long strips, with the middle part fitted around the outer edge of the connecting post. One end of the spring is fixed to the lower end of the middle part of the top piece, and the other end is fixed to the top of the middle part of the connecting plate. The card is provided with four equidistant pieces around the midpoint of the connecting disk, and the positions of the pieces correspond to the cross-shaped positions of the top pieces; the card also includes an elastic piece, and the card is made of a hard material that isolates magnetism; a magnet with an N pole is fixed to the outer cross section of the card; the length of a single top piece can contact the inner cross section of the card. The inner cross section of the elastic element has a groove, the opening of which is larger than the width of a single top piece; the top of the ink converter has a vent hole, and the bottom of the ink converter is equipped with a replaceable adapter of various diameters (it should be noted that the adapters of different diameters are compatible with various sizes of pen tips). The column has a cavity that communicates with a limiting hole; a motor is fixed to the bottom of the cavity, and a threaded rotating rod is installed at the output end of the motor. The base has a rotary switch for controlling the motor and direction, and a button for controlling the magnetic guide block switch at one end of the top. The other end of the base has an ink tank filled with ink for inserting a pen tip. The magnet is set to the N pole. A connecting block is fixed to the outer edge of the magnet. The magnet is rotatably connected to a connecting frame. One end of the connecting frame passes through a limiting hole and is fixed to a connecting plate. The connecting plate has a hole with internal threads. The connecting plate is threaded to the rotating rod through the internal thread hole.

[0005] Furthermore, the technical solution of the present invention also provides a magnetically replaceable interface ink converter and its ink filling method, the specific steps of which are as follows: S1: First, insert the pen nib from the pen body into the ink reservoir; S2: Press the button to open the magnet guide block, and twist the rotary switch to the left to make the motor rotate and drive the magnet guide block to move down; S3: When the magnetic guide block passes the magnetic disk, the magnetic guide block attracts the sleeve to move downward. The sleeve moves downward and presses the top piece, causing the spring to be compressed and the top piece to pass through the slide groove. The magnetic guide block continues to move downward and repels the magnetic piece, causing the locking piece to bend inward towards the connecting post under the bending of the elastic element. The magnetic guide block continues to move downward and attracts the magnetic block, which in turn drives the ink absorption assembly to move downward. S4: After the ink absorption assembly moves down to the lowest point of the ink absorber, the magnetic guide block twists to the right, causing the motor to drive the magnetic guide block to move upward. S5: When the magnetic guide block drives the ink absorption assembly to move upward, the ink absorber absorbs ink. S6: When the limiting ball contacts the vent, the ink absorption assembly no longer moves upward. The magnet block, magnet sheet, and magnet disk are no longer affected by the magnet guide block. The elastic element returns the locking part to its original position due to its own elasticity. The top part and sleeve return to their original positions under the elastic force of spring two and spring one. S7: Turn off the button and magnetic guide block to complete ink absorption.

[0006] One or more technical solutions provided in this application have at least the following technical effects or advantages: Firstly, the bottom of the ink converter has interchangeable adapters of various diameters, and the cross-shaped structure of the clip engages with the slot to prevent multi-directional interference from surrounding magnetic components. When the surrounding magnetic components are S-pole, they will attract the clip to move outward, making the clip more securely locked in the slot. The magnet on the clip prevents the ink absorption assembly from shifting, which could cause ink leakage. Secondly, the movement of the ink absorption assembly requires the sleeve to press down on the top piece, so that the top piece is no longer in contact with the inner wall of the clip. Only then can the elastic element of the clip bend towards the connecting post. When external magnetic components interfere with the elastic elements of all four clips at the same time, the inward bending of the elastic elements will be blocked by the top piece, further preventing the ink absorption assembly from shifting and causing ink leakage. Furthermore, when external magnetic components interfere with the magnet disk, the interfered magnet disk needs to satisfy the longitudinal magnetic field that moves towards the top piece. Even if this condition is met, the ink absorption assembly cannot shift. The external magnetism also needs to satisfy the condition that the clip retracts inward towards the connecting post. This double protection ensures that the ink absorption assembly will not be interfered with by external magnetic components, thus preventing ink leakage. Thirdly, the dual protection also prevents the ink absorption component 220 from becoming loose and leaking ink due to vibration during transport. Attached Figure Description

[0007] Figure 1 This is a three-dimensional structural schematic diagram of a magnetic replaceable interface ink absorber and its ink filling method according to the present invention; Figure 2 This is a half-sectional view of the column structure of a magnetic replaceable interface ink absorber and its ink filling method according to the present invention. Figure 3 This is a schematic diagram showing the disassembled main structure of a fountain pen according to the present invention, which describes a magnetic replaceable interface ink converter and its ink filling method. Figure 4 This is a partial cross-sectional schematic diagram of the ink reader of the present invention, which is a magnetic replaceable interface ink reader and its ink filling method. Figure 5 This is a schematic diagram of the ink-absorbing component structure of a magnetic replaceable interface ink absorber and its ink-filling method according to the present invention. Figure 6 This is a half-sectional view of the ink-absorbing component of a magnetic replaceable interface ink absorber and its ink-filling method according to the present invention.

[0008] In the picture: 100. Base; 110. Rotary switch; 120. Button; 130. Column; 131. Limiting hole; 132. Cavity; 133. Motor; 134. Rotating rod; 140. Magnetic guide block; 141. Connecting block; 142. Connecting frame; 143. Connecting plate; 200. Pen body; 201. Pen shell; 202. Pen nib; 210. Ink converter; 211. Adapter; 212. 213. Slot; 220. Vent hole; 221. Ink absorption assembly; 222. Limiting block; 223. Limiting ball; 224. Connecting post; 225. Connecting plate; 226. Magnet block; 227. Piston; 230. Sleeve; 231. Magnet plate; 232. Spring one; 240. Clip; 241. Elastic element; 242. Magnet piece; 243. Slide groove; 250. Top part; 251. Spring two. Detailed Implementation

[0009] To facilitate understanding of the present invention, a more complete description of this application will be given below with reference to the accompanying drawings, which illustrate preferred embodiments of the invention. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to enable a more thorough and complete understanding of the disclosure of the present invention.

[0010] It should be noted that the terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions used in this article are for illustrative purposes only and do not represent the only possible implementation.

[0011] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0012] Example 1: As Figures 1 to 6As shown, this application discloses a magnetic replaceable interface ink converter and its ink filling method, comprising an L-shaped base 100 and a pen body 200. A column 130 is fixedly connected to one end of the base 100. A rounded rectangular limiting hole 131 is opened on the side of the column 130 facing the base 100, and a magnetic conductor block 140 with an N pole is slidably connected to the limiting hole 131. A pen nib 202 is threadedly connected to one end of the pen shell 201 of the pen body 200, and an ink converter 210 is threadedly connected to the other end of the pen nib 202. An annular groove 212 is opened at the upper end of the inner cross-section of the ink converter 210. An ink-absorbing assembly 220 is engaged within slot 210 via slot 212. The ink-absorbing assembly 220 includes a locking element 240, an elastic element 241, a connecting post 223, a connecting disk 224, a magnet 225, and a piston 226. The bottom of the connecting post 223 is fixedly connected to the connecting disk 224, the elastic element 241 is fixedly connected to the connecting disk 224, the locking element 240 is fixedly connected to the elastic element 241, the lower end of the connecting disk 224 is fixedly connected to the S-pole magnet 225, and the lower end of the magnet 225 is fixedly connected to the piston 226. The ink-absorbing assembly 220 is engaged within slot 212 via locking element 240. The ink absorption assembly 220 also includes a limiting block 221, a limiting ball 222, a magnet disk 231, and a spring 232. A cylindrical limiting block 221 is fixedly connected to the connecting column 223, and a limiting ball 222 is fixedly connected to the top of the limiting block 221. The outer edge of the connecting post 223 is fitted with a sleeve 230, which is slidably connected to the connecting post 223. A ring-shaped S-pole magnet disk 231 is fixedly connected to the top of the sleeve 230, and a copper spring 232 is fixedly connected to the top of the magnet disk 231. The other end of the spring 232 is fixedly connected to the bottom of the limiting block 221. The ink absorption assembly 220 also includes a top piece 250 and a copper spring 251. The top piece 250 is a cross-shaped structure composed of four long strips, and the middle part is fitted around the outer edge of the connecting post 223. One end of the spring 251 is fixed to the lower end of the middle part of the top piece 250, and the other end is fixed to the top of the middle part of the connecting plate 224. The card piece 240 is provided with four equidistant pieces around the midpoint of the connecting disk 224, and corresponds to the cross-shaped position of the top piece 250; the card piece 240 also includes an elastic piece 241, and the card piece 240 is made of a hard material that isolates magnetism; a magnet piece 242 with an N pole is fixed to the outer cross section of the card piece 240; the length of a single top piece 250 can contact the inner cross section of the card piece 240; The inner cross section of the elastic member 241 has a groove 243, the opening of which is larger than the width of a single top member 250; the top of the ink absorber 210 has a vent hole 213, and the bottom of the ink absorber 210 is equipped with a replaceable adapter 211 with various diameter opening sizes. The column 130 has a cavity 132 inside, which is connected to the limiting hole 131; a motor 133 is fixedly connected to the bottom of the cavity 132, and a threaded rotating rod 134 is installed at the output end of the motor 133. The base 100 has a rotary switch 110 for controlling the motor 133 and the direction of rotation, and a button 120 for controlling the magnetic guide block 140. The other end of the base 100 has an ink tank 101 filled with ink for inserting the pen tip 202. The magnet 140 is magnetically set to the N pole. A connecting block 141 is fixed to the outer edge of the magnet 140. The magnet 140 is rotatably connected to a connecting frame 142. One end of the connecting frame 142 passes through the limiting hole 131 and is fixed to a connecting plate 143. The connecting plate 143 has a hole with internal threads. The connecting plate 143 is threaded to the rotating rod 134 through the internal thread hole.

[0013] Specific usage instructions: S1: First, insert the pen tip 202 on the pen body 200 into the ink tank 101; S2: Press button 120 to open magnet guide block 140, and twist rotary switch 110 to the left to make motor 133 rotate and drive magnet guide block 140 to move down; S3: When the magnetic guide block 140 passes the magnetic disk 231, the magnetic guide block 140 attracts the sleeve 230 to move downward. The sleeve 230 moves downward and presses the top piece 250, causing the spring 251 to be compressed. The top piece 250 passes through the slide groove 243. The magnetic guide block 140 continues to move downward and repels the magnetic piece 242, causing the locking piece 240 to retract inward toward the connecting post 223 under the bending of the elastic member 241. The magnetic guide block 140 continues to move downward and attracts the magnetic block 225. The magnetic guide block 140 then drives the ink absorption assembly 220 to move downward. S4: After the ink absorption assembly 220 moves down to the lowest point of the ink absorber 210, the magnetic guide block 140 twists to the right, causing the motor 133 to drive the magnetic guide block 140 to move upward. S5: When the magnetic guide block 140 drives the ink absorption assembly 220 to move upward, the ink absorber 210 absorbs ink. S6: When the limiting ball 222 contacts the vent 213, the ink absorption assembly 220 no longer moves upward. The magnet block 225, the magnet sheet 242 and the magnet disk 231 are separated from the action of the magnet guide block 140. The elastic element 241 uses its own elasticity to make the locking piece 240 return to its position. The top piece 250 and the sleeve 230 return to their positions under the elastic force of the second spring 251 and the first spring 232. S7: Turn off button 120 and magnetic guide block 140 to complete ink absorption.

[0014] Specific implementation: In the initial state of the ink-absorbing assembly 220, the locking piece 240 is locked in the slot 212. The pressing top piece 250 contacts the inner section of the locking piece 240, restricting the inward retraction of the top piece 250. First, insert the pen tip 202 on the pen body 200 into the ink tank 101. Press the button 120 to open the magnetic guide block 140, and twist the rotary switch 110 to the left to rotate the motor 133 and drive the magnetic guide block 140 downward. When the magnetic guide block 140 passes the magnetic disk 231, the magnetic guide block 140 attracts the sleeve 230 downward. The sleeve 230 moves downward and presses the top piece 250, causing the spring 251 to compress. The top piece 250 passes through the slide groove 243. The magnetic guide block 140 continues to move downward and repels the magnetic piece 242, causing the locking piece 240 to bend under the bending of the elastic member 241. The direction of the connecting post 223 is retracted; the magnetic guide block 140 continues to move downward and contacts the magnetic block 225, which drives the ink absorption assembly 220 to move down to the lowest point of the ink absorber 210. Then, the magnetic guide block 140 twists to the right, causing the motor 133 to drive the magnetic guide block 140 to move upward. When the magnetic guide block 140 drives the ink absorption assembly 220 to move upward, the ink absorber 210 absorbs ink. When the limit ball 222 contacts the vent 213, the ink absorption assembly 220 stops moving upward. The magnetic block 225, the magnetic piece 242, and the magnetic disk 231 are no longer affected by the magnetic guide block 140. The elastic element 241 uses its own elasticity to make the locking piece 240 return to its original position. The top piece 250 and the sleeve 230 return to their original positions under the elastic force of the second spring 251 and the first spring 232. The button 120 and the magnetic guide block 140 are closed, and the ink absorption is completed.

[0015] Beneficial effects: Firstly, the bottom of the ink absorber 210 is equipped with replaceable adapters 211 of various diameters, and the cross-shaped structure of the clip 240 engages with the slot 212, which can prevent multi-directional interference from surrounding magnetic components. Furthermore, when the surrounding magnetic components are S-pole, they will attract the clip 240 to move outward, making the clip 240 more tightly locked in the slot 212. The magnetic piece 242 on the clip 240 prevents the ink absorption assembly 220 from shifting, which could cause ink leakage from the ink absorber 210. Secondly, the movement of the ink absorption assembly 220 also requires the sleeve 230 to press down on the top piece 250 so that the top piece 250 no longer contacts the inner wall of the clip 240. Only then can the elastic element 241 of the clip 240 bend towards the connecting post 223. When external magnetic components simultaneously interfere with the elastic elements 241 of the four clips 240, the inward bending of the elastic elements 241 will be blocked by the top piece 250, further preventing the ink absorption assembly 220 from shifting and causing ink leakage in the ink absorber 210. Furthermore, when external magnetic components interfere with the magnet disk 231, the interfered magnet disk 231 needs to satisfy the longitudinal magnetic field that moves towards the top piece 250. Even if this condition is met, the ink absorption assembly 220 cannot shift. The external magnetism also needs to satisfy the condition that the clip 240 retracts inward towards the connecting post 223. This double protection ensures that the ink absorption assembly 220 will not be interfered with by external magnetic components, thus preventing ink leakage. Thirdly, the dual protection also prevents the ink absorption component 220 from becoming loose and leaking ink due to vibration during transport.

[0016] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. For those skilled in the art, the present invention can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A magnetically replaceable interface ink converter, characterized in that, The pen body includes an L-shaped base (100) and a pen body (200). A column (130) is fixed to one end of the base (100). A rounded rectangular limiting hole (131) is opened on the side of the column (130) facing the base (100). A magnet block (140) with an N pole is slidably connected to the limiting hole (131). A pen tip (202) is threaded to one end of the pen shell (201) of the pen body (200). An ink converter (210) is threaded to one end of the pen tip (202). An annular groove (212) is opened at the upper end of the inner section of the ink converter (210). An ink converter is engaged with an ink-absorbing element through the groove (212). The ink-absorbing assembly (220) includes a clip (240), an elastic element (241), a connecting post (223), a connecting plate (224), a magnet (225), and a piston (226). The bottom of the connecting post (223) is fixedly connected to the connecting plate (224), the elastic element (241) is fixedly connected to the connecting plate (224), the clip (240) is fixedly connected to the elastic element (241), the lower end of the connecting plate (224) is fixedly connected to the magnet (225) with an S pole, and the lower end of the magnet (225) is fixedly connected to the piston (226). The ink-absorbing assembly (220) is snapped into the slot (212) by the clip (240).

2. The magnetically replaceable interface ink reader as described in claim 1, characterized in that, The ink absorption assembly (220) also includes a limiting block (221), a limiting ball (222), a magnet disk (231), and a spring (232). A cylindrical limiting block (221) is fixedly connected to the connecting column (223), and a limiting ball (222) is fixedly connected to the top of the limiting block (221).

3. The magnetically replaceable interface ink reader as described in claim 2, characterized in that, The outer edge of the connecting post (223) is fitted with a sleeve (230), the sleeve (230) is slidably connected to the connecting post (223), the top of the sleeve (230) is fixedly connected to a ring-shaped S-pole magnet disk (231), the top of the magnet disk (231) is fixedly connected to a copper spring (232), and the other end of the spring (232) is fixedly connected to the bottom of the limiting block (221).

4. A magnetically replaceable interface ink reader as described in claim 3, characterized in that, The ink absorption assembly (220) also includes a top piece (250) and a copper spring (251). The top piece (250) is a cross-shaped structure composed of four long strips, and the middle part is fitted around the outer edge of the connecting post (223). One end of the spring (251) is fixed to the lower end of the middle part of the top piece (250), and the other end is fixed to the top of the middle part of the connecting plate (224).

5. A magnetically replaceable interface ink reader as described in claim 4, characterized in that, The card (240) is provided with four equidistant card pieces around the midpoint of the connecting disk (224), and corresponds to the cross-shaped position of the top piece (250); the card (240) also includes an elastic element (241), the card (240) is made of a hard material that isolates magnetism, and an N-pole magnet piece (242) is fixed on the outer cross section of the card (240); the length of a single top piece (250) can contact the inner cross section of the card (240).

6. A magnetically replaceable interface ink reader as described in claim 5, characterized in that, The inner section of the elastic element (241) has a groove (243) with an opening size larger than the width of the single top element (250); the top of the ink absorber (210) has a vent hole (213) and the bottom of the ink absorber (210) is equipped with a replaceable adapter (211) with various diameter opening sizes.

7. A magnetically replaceable interface ink reader as described in claim 1, characterized in that, The column (130) has a cavity (132) inside and is connected to the limiting hole (131); a motor (133) is fixedly connected to the bottom of the cavity (132), and a threaded rotating rod (134) is installed at the output end of the motor (133).

8. A magnetically replaceable interface ink reader as described in claim 7, characterized in that, The base (100) has a control motor (133) switch and a rotary switch (110) for turning, and a button (120) for controlling the switch of the magnetic guide block (140) on one end of the top. The other end of the base (100) has an ink tank (101) on the top, which is filled with ink for inserting a pen tip (202).

9. A magnetically replaceable interface ink reader as described in claim 1, characterized in that, The magnet guide block (140) is set to the N pole. A connecting block (141) is fixed to the outer edge of the magnet guide block (140). A connecting frame (142) is rotatably connected to the magnet guide block (140). One end of the connecting frame (142) passes through the limiting hole (131) and is fixed to a connecting plate (143). The connecting plate (143) has a hole with internal threads. The connecting plate (143) is threaded to the rotating rod (134) through the internal thread hole.

10. A method for filling an ink reader with a magnetically replaceable interface, characterized in that, S1: First, insert the pen nib (202) on the pen body (200) into the ink reservoir (101); S2: Press button (120) to open magnet guide block (140), and twist rotary switch (110) to the left to make motor (133) rotate and drive magnet guide block (140) to move down; S3: When the magnetic guide block (140) passes the magnetic disk (231), the magnetic guide block (140) attracts the sleeve (230) to move down, the sleeve (230) moves down and presses the top piece (250), so that the second spring (251) is compressed and the top piece (250) passes through the slide groove (243); the magnetic guide block (140) continues to move down and repels the magnetic piece (242), so that the clip (240) is bent by the elastic member (241) and retracts inward toward the connecting post (223); the magnetic guide block (140) continues to move down and attracts the magnetic block (225), and the magnetic guide block (140) drives the ink absorption assembly (220) to move down; S4: After the ink absorption assembly (220) moves down to the lowest point of the ink absorber (210), the magnetic guide block (140) twists to the right, causing the motor (133) to drive the magnetic guide block (140) to move upward; S5: When the magnetic guide block (140) drives the ink absorption assembly (220) to move upward, the ink absorber (210) absorbs ink; S6: When the limiting ball (222) contacts the vent (213), the ink absorption assembly (220) no longer moves upward. The magnet block (225), magnet sheet (242) and magnet disk (231) are separated from the action of the magnet guide block (140). The elastic element (241) causes the locking element (240) to return to its original position by its own elasticity. The top part (250) and sleeve (230) return to their original position under the elastic force of spring two (251) and spring one (232). S7: Turn off the button (120) and the magnetic guide block (140) to complete the ink absorption.

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