Gel pen with multiple modules

Abstract

A gel pen with multiple modules comprises a pen core module, a pen holding module and a pen cover module, the pen core module comprises a liquid storage cavity used for containing ink and a pen mouth communicated with the liquid storage cavity, the liquid storage cavity and the pen mouth form a pen core part of the gel pen, and the pen core module is exposed out of the gel pen and forms a pen body part used for taking the gel pen. The pen holding module is arranged on the refill module to form a holding part of the gel pen, and the pen cap module is arranged on the pen holding module to be used for protecting a pen mouth of the refill module. According to the gel pen with the multiple modules, different modules can be replaced for use according to requirements of people or scene requirements, and the use experience of people is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of stationery, and in particular relates to a gel pen with multiple modules. Background Art

[0002] As one of the commonly used stationery in learning and working environments, gel pens have the characteristics of comfortable and smooth writing feel, low ink viscosity, and not easy to leak ink. According to the different types of nibs, different ink colors and different structures of gel pens, gel pens can be divided into different types and suitable for different applicable scenarios. People can choose the appropriate type of gel pens according to their needs, so they are loved by most people; the gel pens sold on the market usually include refills, pen barrels and pen caps. The refill structures, pen barrel structures and pen cap structures of various types of gel pens are different and not interchangeable, so the accessories of different types of gel pens cannot be replaced. The problem is that the types of gel pens required in different scenarios are different. In order to meet the needs of each scenario, people need to buy multiple different types of gel pens, which increases people's stationery expenses. People's usage experience is poor, and some types of gel pens have few applicable scenarios, resulting in low frequency of use of this type of gel pens, causing a waste of stationery resources.

[0003] Therefore, further improvements are needed. Summary of the invention

[0004] The purpose of the present invention is to overcome at least one of the deficiencies of the above-mentioned prior art and to provide a gel pen with multiple modules, which can be replaced with different modules according to people's needs or scene requirements, thereby improving people's usage experience.

[0005] To achieve the above object, the technical solution provided by the embodiment of the present invention is: A gel pen with multiple modules includes a core module, a grip module and a cap module. The core module includes a liquid storage chamber for accommodating ink and a pen tip connected to the liquid storage chamber. The liquid storage chamber and the pen tip constitute the core part of the gel pen. The core module is exposed from the gel pen and constitutes the pen body part for taking the gel pen. The grip module is arranged on the core module to constitute the grip part of the gel pen. The cap module is arranged on the grip module to protect the pen tip of the core module.

[0006] The refill module includes a refill and pen body integrated part, the liquid storage chamber is located inside the refill and pen body integrated part, the pen nozzle is located at the end of the refill and pen body integrated part, the refill and pen body integrated part is exposed from the gel pen and constitutes the pen body part for taking the gel pen, and the pen grip module includes a pen grip component, and the pen grip component is installed and removed from the refill and pen body integrated part.

[0007] A first assembly and disassembly structure is provided between the refill and pen body integrated part and the pen grip part, and the pen grip part can be quickly installed on or disassembled from the refill and pen body integrated part through the first assembly and disassembly structure, and the first assembly and disassembly structure is a snap structure, a threaded structure or a magnetic structure.

[0008] The first mounting and disassembling structure is a buckle structure, which includes a first clamping part and a second clamping part. The first clamping part is arranged on the outer side of the refill body integrated part, and the second clamping part is arranged on the inner side of the pen grip part. The first clamping part and the second clamping part are mutually engaged to clamp the pen grip part on the refill body integrated part, and the first clamping part and the second clamping part are separated from each other to remove the pen grip part from the refill body integrated part. The first clamping part is a convex ring, which is in a plurality and arranged at intervals along the axial direction of the pen grip component; the second clamping part is a convex ring, which is in a plurality and arranged at intervals along the axial direction of the pen refill and pen body integrated component; when the pen grip component is installed on the pen refill and pen body integrated component, the first clamping part and the second clamping part are staggered and matched with each other.

[0009] The first assembly and disassembly structure is a threaded structure, which includes an internal thread and an external thread. The external thread is arranged on the outer side of the refill and pen body integrated part, and the internal thread is arranged on the inner side of the pen grip part. The internal thread and the external thread are screwed together so that the pen grip part can be screwed onto the refill and pen body integrated part. The internal thread and the external thread are separated from each other so that the pen grip part can be removed from the refill and pen body integrated part.

[0010] The first assembly and disassembly structure is a magnetic attraction structure, which includes a first magnetic part and a second magnetic part. The first magnetic part is arranged on the outer side of the pen core and pen body integrated part, and the second magnetic part is arranged on the inner side of the pen grip part. The first magnetic part and the second magnetic part are magnetically connected to each other so that the pen grip part is adsorbed on the pen core and pen body integrated part, and the first magnetic part and the second magnetic part are separated from each other so that the pen grip part can be removed from the pen core and pen body integrated part.

[0011] The pen grip module further comprises a weight component and a pen cap component, wherein the weight component is limitedly arranged on the pen grip component, the pen cap component is sleeved on the outer surface of the pen grip component, and the weight component is located above the pen cap component; The counterweight component is made of plastic material or metal material, and the shape of the outer side surface of the counterweight component is circular, square or polygonal; the pen cover component is made of cork material, ice silk material, silicone material or plastic material, and the shape of the outer side surface of the pen cover component is circular or polygonal.

[0012] The pen core and pen body integrated part includes a first rod part and a second rod part, the first rod part and the second rod part are arranged in sequence from bottom to top, the nib is located on the end of the first rod part, the diameter of the first rod part is equivalent to the diameter of the inner cavity of the pen grip part, and the diameter of the second rod part is larger than the diameter of the inner cavity of the pen grip part. When the pen grip part is installed on the pen core and pen body integrated part, the first rod part is inserted into the inner cavity of the pen grip part from top to bottom, the second rod part is against the top of the pen grip part, and the nib extends downward from the bottom of the pen grip part.

[0013] The refill module also includes an ink scale for observing the remaining amount of ink in the liquid storage cavity. The ink scale is arranged on the outer side of the refill body integral part or the inner side of the refill body integral part. The ink scale includes a main scale line, a sub-scale line and a scale value. The main scale line extends along the length direction of the refill body integral part. The sub-scale lines and the scale values ​​are arranged on the left and right sides of the main scale line relative to each other. There are a plurality of sub-scale lines and they are arranged perpendicular to the main scale line and are evenly spaced along the length direction of the main scale line. The scale values ​​are arranged corresponding to the sub-scale lines. The scale value is the remaining writing time of the ink, or the remaining capacity of the ink, or the remaining number of words that can be written with the ink.

[0014] The pen cover module comprises a pen cover component and a pen clip component. The pen cover component is assembled and disassembled on the pen grip component, and the pen clip component is arranged on the outer side of the pen cover component.

[0015] The beneficial effects of the present invention are as follows: The present invention adopts the gel pen of the above technical solution, and the types of the refill module, the pen grip module and the pen cap module are rich and can be disassembled and replaced respectively. People can freely match the modules on the gel pen to meet their own needs, hobbies, or meet their scene requirements without having to buy multiple types of gel pens, thereby reducing people's stationery expenses and improving people's usage experience.

[0016] In addition, the gel pen using the above technical solution is more versatile and suitable for most scenarios, which increases the frequency of use of the gel pen and avoids the waste of stationery resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the structure of a gel pen in one embodiment of the present invention.

[0018] Figure 2 The figure is an exploded view of a gel pen according to one embodiment of the present invention.

[0019] Figure 3 The figure is an exploded view of a gel pen according to one embodiment of the present invention.

[0020] Figure 4 4 is a cross-sectional view of a gel pen according to an embodiment of the present invention.

[0021] Figure 5 It is a cross-sectional view of the assembly of a refill module and a pen grip module according to an embodiment of the present invention.

[0022] Figure 6 for Figure 5 Enlarged view of part A.

[0023] Figure 7 This is a front view of a refill module according to an embodiment of the present invention.

[0024] Figure 8 for Figure 7 Enlarged view of part E. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments.

[0026] See also Figure 1-8 The present invention provides a gel pen with multiple modules, including a core module, a pen grip module, and a pen cap module. Specifically, in the present embodiment, the core module includes a liquid storage chamber 14, a pen tip 11, and a core-pen body integrated part 1. The liquid storage chamber 14 is located inside the core-pen body integrated part 1 and is used to accommodate ink. The color of the ink can be red, blue, or black, etc. The pen tip 11 is located at the end of the core-pen body integrated part 1 and is connected to the liquid storage chamber 14 to output ink and write. The liquid storage chamber 14 and the pen tip 11 constitute the core part of the gel pen. The core-pen body integrated part 1 is exposed from the gel pen and constitutes a pen body part for taking the gel pen. The pen grip module includes a pen grip component 2, and the pen grip component 2 is assembled and disassembled from the core-pen body integrated part 1 to constitute The holding part of the gel pen, the pen cap module includes a pen cap component 3 and a pen clip component 4, the pen cap component 3 is used to protect the pen tip 11 of the pen core module, and the pen clip component 4 is used to clip the gel pen on clothes or books for easy storage of the gel pen, and the pen core module, the pen grip module and the pen cap module can be disassembled and replaced separately, and the types of pen core modules, pen grip modules and pen cap modules are rich, people can freely match the pen core module, pen grip module and pen cap module on the gel pen to meet their own needs and hobbies, or choose the appropriate type of pen core module, pen grip module and pen cap module according to the scene requirements, without having to buy multiple types of gel pens, thereby reducing people's stationery expenses and improving people's usage experience.

[0027] In addition, the gel pen using the above technical solution only needs to replace the appropriate type of module according to the scenario, which makes the gel pen more versatile, increases the frequency of use of the gel pen, and avoids the waste of stationery resources.

[0028] Furthermore, a first assembly and disassembly structure is provided between the refill and pen body integrated part 1 and the pen grip part 2, and the pen grip part 2 is quickly installed on the refill and pen body integrated part 1 or quickly disassembled from the refill and pen body integrated part 1 through the first assembly and disassembly structure. The first assembly and disassembly structure may have the following structure: The first assembly and disassembly structure is a snap-fit ​​structure, which includes a first clamping portion 130 and a second clamping portion 201. The first clamping portion 130 is preferably an annular convex ring and is arranged on the outer side of the refill and pen body integrated part 1. The number of the first clamping portion 130 is preferably three and is arranged at intervals along the axial direction of the pen grip part 2. The second clamping portion 201 is preferably an annular convex ring and is arranged on the inner side of the pen grip part 2. The number of the second clamping portion 201 is preferably three and is arranged at intervals along the axial direction of the pen refill and pen body integrated part 1. When the pen grip part 2 is installed on the refill and pen body integrated part 1, the first clamping portion 130 and the second clamping portion 201 are staggered and matched with each other, that is, the first clamping portion 130 and the second clamping portion 201 are arranged to abut against each other up and down. When the pen grip part 2 is removed from the refill and pen body integrated part 1, the first clamping portion 130 and the second clamping portion 201 are separated from each other. Through the above technical solution, the pen grip part 2 is installed on the refill and pen body integrated part 1 or removed from the refill and pen body integrated part 1, which can be understood by those skilled in the art.

[0029] The first assembly and disassembly structure is a threaded structure, which includes an internal thread and an external thread. The external thread is arranged on the outer side of the refill and pen body integrated part 1, and the internal thread is arranged on the inner side of the pen grip part 2. When the pen grip part 2 is installed on the refill and pen body integrated part 1, the internal thread and the external thread are screwed together, so that the pen grip part 2 is screwed onto the refill and pen body integrated part 1. When the pen grip part 2 is removed from the refill and pen body integrated part 1, the internal thread and the external thread are separated from each other. Through the above technical scheme, the pen grip part 2 can be installed on or removed from the refill and pen body integrated part 1, which can be understood by those skilled in the art.

[0030] The first assembly and disassembly structure is a magnetic attraction structure, which includes a first magnetic part and a second magnetic part. The first magnetic part is a magnet and is arranged on the outer side of the refill and pen body integrated part 1. The second magnetic part is a magnet or iron metal and is arranged on the inner side of the pen grip part 2. When the pen grip part 2 is installed on the refill and pen body integrated part 1, the first magnetic part and the second magnetic part are magnetically connected to each other, so that the pen grip part 2 is adsorbed on the refill and pen body integrated part 1. When the pen grip part 2 is removed from the refill and pen body integrated part 1, the first magnetic part and the second magnetic part are separated from each other. Through the above technical scheme, the pen grip part 2 can be installed on or removed from the refill and pen body integrated part 1, which can be understood by those skilled in the art.

[0031] Furthermore, the pen grip module further includes a weight component 6 and a pen cap component 7. The weight component 6 is located above the pen cap component 2. In this embodiment: The weight component 6 is limitedly arranged on the pen grip component 2. Specifically, a mounting structure is arranged on the pen grip component 2. The mounting structure includes a mounting step and a mounting convex portion. The mounting step and the mounting convex portion are both arranged in a circle on the outer side surface of the pen grip component 2. The mounting step is located above the mounting convex portion. There is a space for accommodating the weight component 6 between the mounting step and the mounting convex portion. The axial dimension of the space is equal to the height of the weight component 6. The radial dimension of the space is smaller than the diameter of the inner cavity of the weight component 6, so that the weight component 6 can be fitted into the space. When the weight component 6 is installed on the pen grip component 2, the upper end of the weight component 6 abuts against the mounting step, and the lower end of the weight component 6 is mutually engaged with the mounting convex portion, so that the weight component 6 is mounted on the pen grip component 2. Those skilled in the art can understand this. When the weight component 6 is made of plastic material, it is used to decorate the pen grip component 2 to make the gel pen more beautiful. When the weight component 6 is made of metal material, it is used to weight the pen grip component 2 to make people more stable when writing with the gel pen. The shape of the outer side surface of the weight component 6 is preferably circular, and its outer diameter is the same as the outer diameter of the pen cover component 7, making the gel pen more beautiful. Those skilled in the art can understand it. The pen cap component 7 is sleeved on the outer surface of the pen grip component 2. Specifically, the diameter of the inner cavity of the pen cap component 7 is equal to the diameter of the upper part of the outer surface of the pen grip component 2, so that the pen cap component 7 can be sleeved on the upper part of the pen grip component 2. When the pen cap component 7 is installed on the pen grip component 2, the top end of the pen cap component 7 abuts against the mounting protrusion of the pen grip component 2, and the bottom end of the pen cap component 7 abuts against the top end of the observation part 13 of the pen core pen body integrated part 1. Through the above technical solution, the pen cap component 7 is limited on the outer surface of the pen grip component 2 to avoid accidental displacement of the pen cap component 7, which can be understood by those skilled in the art. When the pen cover component 7 is made of cork material and the shape of its outer surface is round, it can be used to decorate the pen grip component 2 to make the gel pen more beautiful; when the pen cover component 7 is made of ice silk material and the shape of its outer surface is round, it is used to absorb hand sweat so that people can hold the gel pen tightly when writing; when the pen cover component 7 is made of silicone material and the shape of its outer surface is round, the gel pen is more comfortable to hold; when the pen cover component 7 is made of plastic material and has a posture correction component on its outer surface, it can correct people's writing gestures. Through the above technical scheme, people can match pen cover components 7 with different appearances and functions according to their own needs, which further improves people's experience of using gel pens, and technical personnel in this field can understand it.

[0032] Furthermore, the pen core and pen body integrated part 1 includes a first rod portion 12 and a second rod portion 13. Specifically, in the present embodiment, the first rod portion 12 and the second rod portion 13 are arranged in sequence from bottom to top, the pen tip 11 is located at the end of the first rod portion 12, the diameter of the first rod portion 12 is equivalent to the diameter of the inner cavity of the pen grip component 2, so that the first rod portion 12 can be inserted into the inner cavity of the pen grip component 2, and the diameter of the second rod portion 13 is larger than the diameter of the inner cavity of the pen grip component 2, so that the pen grip component 2 and the second rod portion 13 can abut against each other, and The diameter of the second rod portion 13 is the same as the diameter of the outer side surface of the pen grip component 2 or the diameter of the outer side surface of the pen cap component 7, making the gel pen more beautiful. When the pen grip component 2 is installed on the refill and pen body integrated component 1, the first rod portion 12 is inserted into the inner cavity of the pen grip component 2 from top to bottom and is connected to each other through the first assembly and disassembly mechanism. The second rod portion 13 is against the top of the pen grip component 2, and the nib 11 extends downward from the bottom of the pen grip component 2 to realize the installation of the pen grip component 2 on the refill and pen body integrated component 1, which can be understood by those skilled in the art.

[0033] Furthermore, the refill module also includes an ink scale 8. Specifically, in the present embodiment, the ink scale 8 is arranged on the outer side surface of the second rod portion 13 of the refill pen body integrated part 1 and is convex or concave on the outer side surface of the second rod portion 13 of the refill pen body integrated part 1, so that people with poor eyesight or the elderly can understand the value of the ink scale 8 by touching the outer side surface of the refill pen body integrated part 1. The ink scale 8 includes a main scale line 81, a sub-scale line 82 and a scale value 83. The main scale line 81 extends along the length direction of the second rod portion 13 of the refill pen body integrated part 1, and the sub-scale line 82 and the scale value 83 are relatively arranged on the left and right sides of the main scale line 81. The sub-scale lines 82 are preferably twenty-one and are arranged perpendicular to the main scale line 81 and are evenly spaced along the length direction of the main scale line 81. The scale value 83 is preferably a number. The characters are arranged corresponding to the scale lines 82 and are used to indicate the remaining writing days of the ink. The digital value of the scale value 83 gradually decreases from top to bottom. People can accurately know the remaining ink in the liquid storage chamber 14 through the ink scale 8, and can clearly know the remaining ink for writing time, number of words, etc., to avoid people accidentally using up the ink in the refill and pen body integrated part 1 during the learning or working process, thereby ensuring people's normal learning or work and improving people's experience in using the neutral pen. In addition, people can practice writing through the ink scale 8. Specifically, people can practice writing every day according to the remaining writing days on the ink scale 8. When the ink in the refill and pen body integrated part 1 is used up, people have completed twenty-one days of writing practice, thereby cultivating good learning habits, which can be understood by those skilled in the art.

[0034] Furthermore, the pen cap component 3 is assembled and disassembled on the pen grip component 2. Specifically, the pen cap component 3 is cylindrical and is used to protect the nib 11. The radial dimension of its outer wall is equivalent to that of the pen cover component 7, which makes the neutral pen more beautiful. A mounting structure is provided between the pen cap component 3 and the pen grip component 2 so that the pen cap component 3 can be detachably mounted on the pen grip component 2. Specifically, the mounting structure includes a third buckle portion and a fourth buckle portion. The third buckle portion is preferably ring-arranged on the inner wall of the pen cap component 3, and the fourth buckle portion is preferably arranged on the outer wall of the pen grip component 2. When the third buckle portion and the fourth buckle portion cooperate with each other, the pen cap component 3 is clamped on the pen grip component 2, so that the pen cap component 31 can be quickly inserted into the pen grip component 2 to protect the nib 11. When the third buckle portion and the fourth buckle portion are separated from each other, the pen cap component 3 is removed from the pen grip component 2, so that the pen cap component 3 can be quickly pulled out and inserted from the pen grip component 2 to use the neutral pen, which can be understood by those skilled in the art.

[0035] Furthermore, the pen clip component 4 is arranged on the outer side surface of the pen cap component 3. Specifically, the pen clip component 4 is arranged on the outer wall of the pen cap component 3 and is integrally formed with the pen cap component 3. The axial length of the pen clip component 4 is greater than the axial length of the pen cap component 3. The pen clip component 3 cooperates with the pen cover component 7 to mount the neutral pen clip on an object, which can be understood by those skilled in the art.

[0036] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. The present invention may have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention to be protected, and the scope of the present invention to be protected is defined by the attached claims and their equivalents.

Claims

1. A gel pen with multiple modules, characterized in that: The invention comprises a refill module, a pen grip module and a pen cap module, wherein the refill module comprises a liquid storage chamber (14) for accommodating ink, and a pen tip (11) connected to the liquid storage chamber (14), wherein the liquid storage chamber (14) and the pen tip (11) constitute the refill part of the gel pen, the refill module is exposed from the gel pen and constitutes the pen body part for holding the gel pen, the pen grip module is arranged on the refill module to constitute the grip part of the gel pen, and the pen cap module is arranged on the pen grip module to protect the pen tip (11) of the refill module.

2. The gel pen with multiple modules according to claim 1, characterized in that: The refill module comprises a refill body integrated part (1), the liquid storage chamber (14) is located inside the refill body integrated part (1), the pen tip (11) is located at the end of the refill body integrated part (1), the refill body integrated part (1) is exposed from the gel pen and constitutes a body part for taking the gel pen, and the pen grip module comprises a pen grip component (2), and the pen grip component (2) is assembled and disassembled from the refill body integrated part (1).

3. The gel pen with multiple modules according to claim 2, characterized in that: A first assembly and disassembly structure is provided between the refill and body integrated part (1) and the pen grip part (2), and the pen grip part (2) is quickly mounted on or disassembled from the refill and body integrated part (1) via the first assembly and disassembly structure, wherein the first assembly and disassembly structure is a snap-fit ​​structure, a threaded structure or a magnetic structure.

4. The gel pen with multiple modules according to claim 3, characterized in that: The first mounting and disassembling structure is a buckle structure, comprising a first clamping portion (130) and a second clamping portion (201); the first clamping portion (130) is arranged on the outer side of the refill and pen body integrated part (1), and the second clamping portion (201) is arranged on the inner side of the pen grip component (2); the first clamping portion (130) and the second clamping portion (201) are mutually engaged so that the pen grip component (2) is clamped on the refill and pen body integrated part (1); the first clamping portion (130) and the second clamping portion (201) are mutually separated so that the pen grip component (2) is disassembled from the refill and pen body integrated part (1); The first clamping part (130) is a convex ring, which is in a plurality and arranged at intervals along the axial direction of the pen grip component (2); the second clamping part (201) is a convex ring, which is in a plurality and arranged at intervals along the axial direction of the refill and pen body integrated part (1); when the pen grip component (2) is mounted on the refill and pen body integrated part (1), the first clamping part (130) and the second clamping part (201) are mutually staggered and matched.

5. The gel pen with multiple modules according to claim 3, characterized in that: The first assembly and disassembly structure is a threaded structure, the threaded structure comprising an internal thread and an external thread, the external thread being arranged on the outer side of the refill body integrated part (1), the internal thread being arranged on the inner side of the pen grip part (2), the internal thread and the external thread being screwed together so that the pen grip part (2) can be screwed onto the refill body integrated part (1), and the internal thread and the external thread being separated from each other so that the pen grip part (2) can be disassembled from the refill body integrated part (1).

6. The gel pen with multiple modules according to claim 3, characterized in that: The first assembly and disassembly structure is a magnetic attraction structure, which includes a first magnetic part and a second magnetic part. The first magnetic part is arranged on the outer side of the refill and pen body integrated part (1), and the second magnetic part is arranged on the inner side of the pen grip part (2). The first magnetic part and the second magnetic part are magnetically connected to each other so that the pen grip part (2) is adsorbed on the refill and pen body integrated part (1). The first magnetic part and the second magnetic part are separated from each other so that the pen grip part (2) is removed from the refill and pen body integrated part (1).

7. The gel pen with multiple modules according to claim 2, characterized in that: The pen grip module further comprises a weight component (6) and a pen cap component (7), wherein the weight component (6) is limitedly arranged on the pen grip component (2), the pen cap component (7) is sleeved on the outer surface of the pen grip component (2), and the weight component (6) is located above the pen cap component (2); The counterweight component (6) is made of a plastic material or a metal material, and the shape of the outer side surface of the counterweight component (6) is circular, square or polygonal; the pen cover component (7) is made of a cork material, an ice silk material, a silicone material or a plastic material, and the shape of the outer side surface of the pen cover component (7) is circular or polygonal.

8. The gel pen with multiple modules according to claim 2, characterized in that: The refill and pen body integrated part (1) comprises a first rod part (12) and a second rod part (13), the first rod part (12) and the second rod part (13) being arranged in sequence from bottom to top, the nib (11) being located at the end of the first rod part (12), the diameter of the first rod part (12) being equivalent to the diameter of the inner cavity of the pen grip part (2), the diameter of the second rod part (13) being larger than the diameter of the inner cavity of the pen grip part (2), and when the pen grip part (2) is mounted on the refill and pen body integrated part (1), the first rod part (12) is inserted into the inner cavity of the pen grip part (2) from top to bottom, the second rod part (13) is against the top end of the pen grip part (2), and the nib (11) extends downwardly out of the bottom end of the pen grip part (2).

9. The gel pen with multiple modules according to claim 2, characterized in that: The refill module also includes an ink scale (8) for observing the remaining amount of ink in the liquid storage chamber (14); the ink scale (8) is arranged on the outer side of the refill body integral part (1) or the inner side of the refill body integral part (1); the ink scale (8) includes a main scale line (81), a sub-scale line (82) and a scale value (83); the main scale line (81) extends along the length direction of the refill body integral part (1); the sub-scale lines (82) and the scale value (83) are arranged on the left and right sides of the main scale line (81) in a relative manner; the sub-scale lines (82) are a plurality of sub-scale lines (82) and are arranged perpendicular to the main scale line (81) and are evenly spaced along the length direction of the main scale line (81); and the scale value (83) is arranged corresponding to the sub-scale lines (82); The scale value (83) is the remaining writing time of the ink, or the remaining capacity of the ink, or the remaining number of words that can be written with the ink.

10. The gel pen with multiple modules according to claim 1, characterized in that: The pen cover module comprises a pen cover component (3) and a pen clip component (4); the pen cover component (3) is assembled and disassembled on the pen grip component (2); and the pen clip component (4) is arranged on the outer side of the pen cover component (3).

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