A smart pen with a base

Abstract

The application relates to the field of intelligent pens, in particular to an intelligent pen with a base, which comprises a charging base and an ink bottle and the like. The intelligent pen with the base comprises an ink bottle on the charging base and a positioning card plate for placing the intelligent pen, a plurality of micro liquid sensors are used to automatically judge whether the ink in a pen core is insufficient and a filling state, and a micro liquid pump actively fills the ink in the ink bottle into the pen core through a capillary needle tube structure of a syringe, so that automatic opening and ending of the ink filling treatment work are realized; after the automatic ink filling treatment is ended, the excessive ink is automatically returned to the ink bottle, then the positioning card plate drives the intelligent pen to rotate downward to a downward inclined state, and the phenomenon of serious backflow fault of the ink in the pen core is avoided. The intelligent pen overcomes the shortcomings that the automatic ink filling pen still needs to rely on manual judgment of the ink filling state, and manual ink filling treatment is prone to cause excessive ink filling and large ink overflow and waste.

Description

Technical Field

[0001] This invention relates to the field of smart pens, and more particularly to a smart pen with a base. Background Technology

[0002] Existing automatic ink-filling fountain pens require the user to invert the pen and insert it into the ink bottle. The ink-filling mechanism inside the bottle automatically fills the pen's refill with ink, eliminating the need for the user to disassemble the pen and remove the refill for a complicated filling process. However, this filling operation still requires manual intervention, and the pen's casing and refill must be made of transparent material that allows the user to observe the ink filling status. This prevents the use of fully enclosed materials for pen casing design, resulting in a less aesthetically pleasing overall appearance compared to traditional fountain pens. Furthermore, manual filling can easily lead to overfilling, causing ink to overflow from the nib or filling tip of the refill, resulting in significant ink contamination and waste. Summary of the Invention

[0003] To overcome the shortcomings of automatic ink-filling pens, which still require manual judgment of ink filling status and are prone to overfilling and excessive ink overflow during manual filling, this invention provides a smart pen with a base.

[0004] Technical Solution: A smart pen with a base includes a charging base, an ink bottle, a micro liquid pump, an wiping block, a compression spring, a positioning plate, a pen shell, a sliding block, a pen refill, a battery, a circuit module, and a micro liquid sensor. The charging base is electrically connected to a charging port and a power connector via a circuit system. An ink bottle is located inside the charging base. A micro liquid pump is installed inside the charging base. The inlet of the micro liquid pump is connected to the ink bottle. The outlet of the micro liquid pump is connected to a delivery tube. A cannula is connected to the delivery tube. The other end of the cannula has a capillary needle structure. A positioning plate is rotatably connected to the base via a pivot; a pen shell is held in place on the positioning plate via a bayonet structure; a sliding block is slidably connected inside the pen shell; a sliding plate that pushes the sliding block is fixed to the pen shell; a pen refill is fixed inside the sliding block; a venting sponge of the pen refill is inserted into the tube via a capillary needle structure; a battery is installed inside the pen shell; the charging port of the battery is electrically connected to a power supply connector; a circuit module is fixed inside the liquid storage tube component of the pen refill; at least four miniature liquid sensors are electrically connected to the circuit module; the circuit module is electrically connected to the battery.

[0005] Furthermore, the cannula is equipped with a wiping block, which is sleeved on the capillary needle structure; a compression spring is fixedly connected between the wiping block and the cannula.

[0006] Furthermore, the positioning plate is rotatably connected to the charging base via a rotating shaft; an electric push rod is rotatably connected inside the charging base via a rotating shaft; the telescopic end of the electric push rod is rotatably connected to the positioning plate via a rotating shaft; a foldable dust cover is fixedly connected between the positioning plate and the charging base.

[0007] Furthermore, a cover plate is rotatably connected to the pen casing via a pivot, and a protrusion structure is provided inside the cover plate; the pen refill is provided with an ejector rod that aligns with the protrusion structure.

[0008] Furthermore, a permanent magnet is fixed to the cover plate.

[0009] Furthermore, the insertion tube is slidably connected to the positioning plate; a push plate is fixedly attached to the insertion tube; a baffle is fixedly attached to the charging base; the baffle is close to the side of the push plate near the positioning plate.

[0010] Furthermore, a tension spring is fixedly connected between the insertion tube and the positioning plate.

[0011] Furthermore, the power supply connector is slidably connected to the positioning plate; the push plate is fixedly connected to the power supply connector.

[0012] Furthermore, the wiping block is composed of a wiping sponge and a piston; a suction chamber structure is provided inside the insertion tube; a piston is slidably connected inside the suction chamber structure of the insertion tube; a wiping sponge is connected to the piston; a compression spring fixes the wiping sponge; the wiping sponge is sleeved on the outer surface of the capillary needle structure of the insertion tube; a number of air delivery holes are provided on the piston; a number of suction holes are provided on the wiping sponge that connect to the corresponding air delivery holes.

[0013] Furthermore, the piston is fixedly connected to the wiping sponge via a threaded structure.

[0014] Beneficial Effects: The present invention provides a smart pen with a base, comprising an ink bottle on a charging base and a positioning plate for placing the smart pen. The smart pen is mainly composed of a pen shell, a sliding block, a pen refill, and a battery. Multiple micro liquid sensors are installed inside the pen refill via a circuit module. These sensors automatically determine whether the ink in the pen refill is insufficient and the filling status. A micro liquid pump actively fills the pen refill with ink from the ink bottle through a capillary tube structure, automatically starting and ending the ink filling process. During the automatic ink filling process, the smart pen on the positioning plate is tilted upwards. After the automatic ink filling process ends, excess ink automatically flows back into the ink bottle. Subsequently, the positioning plate rotates the smart pen downwards to a downward tilted position, preventing severe backflow and layering of ink in the pen refill. Simultaneously, it actively pulls the capillary tube structure out of the pen refill and removes residual ink from the capillary tube structure, preventing a large amount of ink clumping from forming on the surface of the capillary tube structure.

[0015] The present invention provides a smart pen with a base, which overcomes the shortcomings of automatic ink-filling pens that still require manual judgment of the ink filling status and are prone to overfilling and excessive ink overflow during manual ink filling. Attached Figure Description

[0016] Figure 1 The diagram illustrates the present invention according to embodiments;

[0017] Figure 2 A cross-sectional view of the pen casing of the present invention is shown according to an embodiment;

[0018] Figure 3 This is a cross-sectional view illustrating the pen casing and sliding block of the present invention according to an embodiment;

[0019] Figure 4 A cross-sectional view of the pen refill according to an embodiment of the present invention;

[0020] Figure 5 The following is a cross-sectional view illustrating the pen casing and pen refill of the present invention according to an embodiment;

[0021] Figure 6 This is a cross-sectional view illustrating the cannula and wiping sponge of the present invention according to an embodiment.

[0022] Annotations for the reference numerals: 1-Charging base, 11-Charging port, 12-Power connector, 13-Baffle, 2-Ink bottle, 21-Miniature liquid pump, 22-Infusion tube, 23-Insertion tube, 2301-Capillary needle structure, 2302-Suction chamber structure, 231-Push plate, 232-Tension spring, 24-Wiping sponge, 2401-Air extraction hole structure, 25-Piston, 2501-Air delivery hole structure, 26-Compression spring, 3-Positioning plate, 31-Electric push rod, 32-Folding dust cover, 4-Pen shell, 41-Sliding block, 42-Skip, 43-Pen refill, 431-Ventilating sponge, 432-Ejector rod, 44-Cover plate, 441-Protrusion, 45-Permanent magnet, 5-Battery, 51-Circuit module, 52-Miniature liquid sensor. Detailed Implementation

[0023] The technical solution of the present invention will be further described below with reference to the accompanying drawings.

[0024] Example 1: A smart pen with a base, such as Figures 1-5As shown, the device includes a charging base 1, an ink bottle 2, a micro liquid pump 21, a wiping block, a compression spring 26, a positioning plate 3, a pen shell 4, a sliding block 41, a pen refill 43, a battery 5, a circuit module 51, and a micro liquid sensor 52. The charging base 1 is electrically connected to a charging port 11 and a power connector 12 via a circuit system. The charging base 1 contains the ink bottle 2. The micro liquid pump 21 is installed inside the charging base 1. The inlet of the micro liquid pump 21 is connected to the ink bottle 2. The outlet of the micro liquid pump 21 is connected to a delivery tube 22. A cannula 23 is connected to the delivery tube 22. The other end of the cannula 23 has a capillary needle structure 2301. The positioning plate 3 is rotatably connected to the charging base 1 via a rotating shaft. The positioning plate 3 has an L-shaped locking structure. The pen shell 4 is held in place by the locking structure on the positioning plate 3. A sliding block 41 is slidably connected inside the pen shell 4. A sliding plate 42 is fixedly attached to the pen casing 4; a sliding block 41 is fixedly attached to the sliding plate 42; a pen refill 43 is fixedly attached inside the sliding block 41; the pen refill 43 consists of a pen tip component, a liquid storage tube component, and a venting sponge 431, with the pen tip component connected to one end of the liquid storage tube component and the venting sponge 431 fixedly attached to the other end of the liquid storage tube component; the insertion tube 23 is initially inserted into the venting sponge 431 of the pen refill 43 through a capillary needle structure 2301; a storage battery 5 is installed inside the pen casing 4; the charging port of the storage battery 5 is initially electrically connected to the power supply connector 12; a circuit module 51 is fixedly attached inside the liquid storage tube component of the pen refill 43; four miniature liquid sensors 52 are electrically connected to the circuit module 51; the circuit module 51 is electrically connected to the storage battery 5; a wiping block is provided on the insertion tube 23, and the wiping block is sleeved on the capillary needle structure 2301; a compression spring 26 is fixedly attached between the wiping block and the insertion tube 23.

[0025] like Figure 2 As shown, the positioning plate 3 is rotatably connected to the charging base 1 via a rotating shaft; an electric push rod 31 is rotatably connected inside the charging base 1 via a rotating shaft; the telescopic end of the electric push rod 31 is rotatably connected to the positioning plate 3 via a rotating shaft; a foldable dust cover 32 for protecting the electric push rod 31 is fixedly connected between the positioning plate 3 and the charging base 1.

[0026] like Figure 3As shown, a cover plate 44 is rotatably connected to the pen case 4 via a pivot. The cover plate 44 has a protrusion structure 441 inside. The pen refill 43 has an ejector rod 431 aligned with the protrusion structure 441. When the user pushes the slide plate 42, it drives the sliding block 41 to push the pen refill 43 outward from the pen case 4. At the same time, the pen refill 43 drives the ejector rod 431 to push the protrusion structure 441 of the cover plate 44, causing the cover plate 44 to flip outward and rotate upward, allowing the pen tip of the pen refill 43 to be exposed in the pen case 4 for writing. A permanent magnet 45 is fixed to the cover plate 44. When writing is not needed, the user pulls the slide plate 42, which drives the sliding block 41 to retract the pen refill 43 inward into the pen case 4, and flips the cover plate 44 to cover the pen case 4. The cover plate 44 provides dust protection for the pen refill 43 inside the pen case 4, and at the same time, the cover plate 44 is firmly magnetically attracted to the pen case 4 by the permanent magnet 45.

[0027] The present invention discloses a smart pen with a base, which mainly consists of a smart pen and a charging base 1 with an ink bottle 2. The smart pen mainly consists of a pen shell 4, a sliding block 41, a sliding plate 42, a pen refill 43, and a battery 5. The battery 5 supplies power to the circuit module 51 and the micro liquid sensor 52. The micro liquid sensor 52 monitors the ink content in the liquid storage tube of the pen refill 43 at regular intervals. The micro liquid sensor 52 is only triggered when ink covers the surface of the micro liquid sensor 52. When half or more of the micro liquid sensors 52 are triggered by ink, it means that the ink content in the pen refill 43 is sufficient to complete one writing task. When less than half of the micro liquid sensors 52 are triggered by ink, it means that the ink content in the pen refill 43 is insufficient and automatic ink refilling is required.

[0028] During the ink filling process, the user places the pen case 4 of the smart pen on the positioning plate 3, which is initially tilted to the upper left. The user then pushes the pen case 4, moving the pen refill 43 and the battery 5 towards the insertion tube 23 and power connector 12, until the pen case 4 is secured to the positioning plate 3 via a latching structure. The charging port 11 of the charging base 1 is electrically connected to an external power circuit via a wire. The power connector 12 of the charging base 1 is directly plugged into the charging port of the smart pen's battery 5. The external power circuit charges the battery 5 through the charging port 11 and power connector 12 of the charging base 1, and the battery 5 continues to supply power to the circuit module 51 and the miniature liquid sensor 52. Figure 5As shown, the capillary structure 2301 of the insertion tube 23 is simultaneously inserted into the venting sponge 431 of the pen refill 43, allowing the insertion tube 23 to connect to the inside of the pen refill 43 through the capillary structure 2301. The pen refill 43 pushes the wiping block, causing the compression spring 26 to press downwards at an angle. At this time, the smart pen on the positioning plate 3 and the insertion tube 23 are both in a position that is tilted upwards to the left. After the power supply connector 12 is electrically connected to the battery 5, the power supply connector 12 notifies the micro liquid pump 21 to start through the circuit system, allowing the micro liquid pump 21 to actively pump ink from the ink bottle through the infusion tube 22 and the capillary structure 2301 of the insertion tube 23. The ink in the 2nd chamber is filled into the pen refill 43, and the micro liquid sensor 52 monitors the ink content in the liquid reservoir of the pen refill 43 at regular intervals. When all the micro liquid sensors 52 are triggered by the ink, it means that the ink content in the pen refill 43 has been filled to the specified content. At the same time, the circuit module 51 notifies the micro liquid pump 21 to shut down through the circuit system of the battery 5 and the power connector 12, automatically ending the ink filling process, so as to prevent the ink inside the pen refill 43 from being overfilled and overflowing. Meanwhile, the excess ink in the tube 23 automatically flows back down along the inclined inner wall of the tube 23.

[0029] Then, the electric push rod 31 pulls the positioning plate 3 downward to tilt to the lower left, causing the positioning plate 3 to rotate the smart pen so that the pen tip of the pen refill 43 is tilted to the lower left. This keeps the ink in the pen refill 43 tilted towards the pen tip, preventing the pen refill 43 from being placed in a tilted position for a long time, which could cause the ink to flow backward and break up. This provides long-term protection for the ink in the pen refill 43. Furthermore, the smart pen on the positioning plate 3 changes from a tilted position to a tilted position to a tilted position, allowing the user to intuitively know that the pen refill 43 has been filled with ink.

[0030] When the user pulls the smart pen out of the positioning plate 3 to write, as the insertion tube 23 leaves the pen refill 43, the compressed spring 26 pushes the wiping block to move outward along the outer surface of the capillary structure 2301 of the insertion tube 23. The wiping block absorbs the ink remaining on the outer surface of the capillary structure 2301, preventing the ink remaining on the outer surface of the capillary structure 2301 of the insertion tube 23 from forming ink clumps after contacting the outside air.

[0031] The entire use of the smart pen does not require the user to worry about the ink content and filling status of the pen refill 43. It can automatically determine whether the ink is sufficient and automatically stop the ink filling process, truly achieving the goal of using and storing as needed. After the ink filling process is completed, placing the pen refill 43 with the pen tip part tilted to the lower left can provide static protection for the ink in the pen refill 43.

[0032] Example 2: Based on Example 1, such as Figures 1-5 As shown, in this embodiment, the insertion tube 23 is slidably connected to the positioning plate 3; a push plate 231 is fixedly connected to the insertion tube 23; a baffle 13 is fixedly connected to the charging base 1; the baffle 13 is close to the side of the push plate 231 near the positioning plate 3; a tension spring 232 is fixedly connected between the insertion tube 23 and the positioning plate 3. When the insertion tube 23 is pulled out of the positioning plate 3, the tension spring 232 is stretched. When it is necessary to push the insertion tube 23 back into the positioning plate 3, the stretched tension spring 232 can replace manual reset work; the power connector 12 is slidably connected to the positioning plate 3; the push plate 231 is fixedly connected to the power connector 12.

[0033] In this embodiment, when the ink in the pen refill 43 is full and the battery 5 has finished charging, as the electric push rod 31 pulls the positioning plate 3, causing the pen shell 4, sliding block 41, and pen refill 43 to rotate downwards, the baffle 13 will block the insertion tube 23, which rotates downwards along with the positioning plate, through the push plate 231. This allows the capillary needle structure 2301 of the insertion tube 23 to automatically pull out of the ventilation sponge 431 of the pen refill 43, preventing the capillary needle structure 2301 of the insertion tube 23 from being inserted into the ventilation sponge 431 for a long time. In the ventilated sponge 431, the capillary needle structure 2301 expands in the ventilated sponge 431 for a long time, creating an insertion hole structure that is difficult to restore. This affects the blocking and sealing effect of the ventilated sponge 431 on the ink inside the pen refill 43. At the same time, the baffle 13 will block the power connector 12, which rotates downward with the positioning card, through the push plate 231, so that the power connector 12 is pulled out of the battery 5 and the power is automatically cut off. This prevents the battery 5 from being in a charging state for a long time due to the user not turning off the charging function for a long time, which would affect its service life.

[0034] Example 3: Based on Example 2, such as Figures 1-6 As shown, the wiping block in this embodiment is composed of a wiping sponge 24 and a piston 25. A suction chamber structure 2302 is provided inside the insertion tube 23. The piston 25 is slidably connected inside the suction chamber structure 2302 of the insertion tube 23. The wiping sponge 24 is connected to the piston 25. The compression spring 26 is fixed to the wiping sponge 24. The wiping sponge 24 is sleeved on the outer surface of the capillary needle structure 2301 of the insertion tube 23. The piston 25 has a plurality of air supply holes 2501 extending in the left and right directions. The wiping sponge 24 has a plurality of air extraction holes 2401 connected to the corresponding air supply holes 2501. The piston 25 is fixedly connected to the wiping sponge 24 by a threaded structure. After the wiping sponge 24 absorbs a large amount of ink, the user only needs to periodically disassemble and replace the wiping sponge 24 by the threaded structure.

[0035] In this embodiment, when the ink in the pen refill 43 is full, during the process of the insertion tube 23 pulling the capillary structure 2301 away from the vent sponge 431 of the pen refill 43, the compression spring 26 pushes the wiping sponge 24 to move along the surface of the capillary structure 2301 pulled by the insertion tube 23. The wiping sponge 24 absorbs the ink remaining on the surface of the capillary structure 2301. At the same time, the wiping sponge 24 pulls the piston 25 to move outward along the suction chamber structure 2302 inside the insertion tube 23 to perform suction work. This allows external air to enter the suction chamber structure 2302 of the insertion tube 23 through the suction hole structure 2401 of the wiping sponge 24 and the air supply hole structure 2501 of the piston 25. This allows external air to pass through the wiping sponge 24 from all directions. The wiping sponge 24 enters the air extraction hole structure 2401, thereby forcing the ink remaining on the surface of the capillary needle structure 2301 to be drawn into the wiping sponge 24 as well. This improves the wiping sponge 24's ability to remove residual ink from the surface of the capillary needle structure 2301, preventing the residual ink from solidifying into clumps. This would cause the ink clumps on the surface of the capillary needle structure 2301 to transfer into the ventilation sponge 431 when the operator inserts the capillary needle structure 2301 of the insertion tube 23 back into the ventilation sponge 431 of the pen refill 43. If there are a large number of ink clumps in the ventilation sponge 431, it will affect the ventilation effect of the ventilation sponge 431, ultimately affecting the normal writing function of the pen refill 43.

[0036] Although the invention has been described with reference to exemplary embodiments, it should be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be given the broadest interpretation so as to cover all variations and equivalent structures and functions.

Claims

1. A smart pen with a base, comprising: a charging base (1); The charging base (1) is electrically connected to the charging socket (11) and the power supply connector (12) in sequence through the circuit system; the charging base (1) is equipped with an ink bottle (2). Its characteristics are: It also includes a micro liquid pump (21); the micro liquid pump (21) is installed inside the charging base (1); the inlet of the micro liquid pump (21) is connected to the ink bottle (2); the outlet of the micro liquid pump (21) is connected to the infusion tube (22); the infusion tube (22) is connected to the insertion tube (23); the other end of the insertion tube (23) is provided with a capillary tube structure (2301); a positioning plate (3) is rotatably connected to the charging base (1) via a rotating shaft; a pen shell (4) is clamped on the positioning plate (3) via a bayonet structure; a sliding block (41) is slidably connected inside the pen shell (4); on the pen shell (4) A sliding plate (42) is fixedly attached to the sliding block (41) to move; a pen refill (43) is fixedly attached inside the sliding block (41); a tube (23) is inserted into the venting sponge (431) of the pen refill (43) through a capillary tube structure (2301); a storage battery (5) is installed inside the pen shell (4); the charging port of the storage battery (5) is electrically connected to a power supply connector (12); a circuit module (51) is fixedly attached inside the liquid storage tube component of the pen refill (43); the circuit module (51) is electrically connected to at least four miniature liquid sensors (52); the circuit module (51) is electrically connected to the storage battery (5); The cannula (23) is provided with a wiping block, which is sleeved on the capillary needle structure (2301); a compression spring (26) is fixedly connected between the wiping block and the cannula (23). The wiping block is composed of a wiping sponge (24) and a piston (25); a suction chamber structure (2302) is provided inside the insertion tube (23); the piston (25) is slidably connected inside the suction chamber structure (2302) of the insertion tube (23); the wiping sponge (24) is connected to the piston (25); the compression spring (26) is fixed to the wiping sponge (24); the wiping sponge (24) is sleeved on the outer surface of the capillary needle structure (2301) of the insertion tube (23); a number of air supply holes (2501) are provided on the piston (25); a number of air extraction holes (2401) connected to the corresponding air supply holes (2501) are provided on the wiping sponge (24).

2. A smart pen with a base according to claim 1, characterized in that: The positioning plate (3) is rotatably connected to the charging base (1) via a rotating shaft; an electric push rod (31) is rotatably connected inside the charging base (1) via a rotating shaft; the telescopic end of the electric push rod (31) is rotatably connected to the positioning plate (3) via a rotating shaft; a foldable dust cover (32) is fixedly connected between the positioning plate (3) and the charging base (1).

3. A smart pen with a base according to claim 1, characterized in that: The pen casing (4) is rotatably connected to a cover plate (44) via a pivot, and the cover plate (44) has a protrusion structure (441) inside; the pen refill (43) has an ejector rod (432) that aligns with the protrusion structure (441).

4. A smart pen with a base according to claim 3, characterized in that: A permanent magnet (45) is fixed on the cover plate (44).

5. A smart pen with a base according to claim 2, characterized in that: The insertion tube (23) is slidably connected to the positioning plate (3); a push plate (231) is fixedly connected to the insertion tube (23); a baffle (13) is fixedly connected to the charging base (1); the baffle (13) is close to the side of the push plate (231) near the positioning plate (3).

6. A smart pen with a base according to claim 5, characterized in that: A tension spring (232) is fixedly connected between the insertion tube (23) and the positioning plate (3).

7. A smart pen with a base according to claim 6, characterized in that: The power supply connector (12) is slidably connected to the positioning plate (3); the push plate (231) is fixedly connected to the power supply connector (12).

8. A smart pen with a base according to claim 1, characterized in that: The piston (25) is fixedly connected to the wiping sponge (24) by a threaded structure.

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