Combinable pen and combined pen

Abstract

The utility model discloses a combinable pen and a combined pen. The combinable pen is composed of a pen cap, a pen core, a pen holder and a tail plug. The pen cap and the tail plug are detachably mounted at the front end and the rear end of the refill respectively, and the pen holder sleeves and is connected to the outer side of the refill; the pen cap is provided with a pen point moisturizing structure through the matching design of the pen cap outer sleeve and the pen cap inner sleeve; the refill is composed of a pen point mounting tube and an ink storage tube, the pen point mounting tube can be fastened and inserted into the pen cap inner sleeve and the rear end of the tail plug at the same time, and the pen cap can be inserted into the rear end of the pen holder; the combined pen is formed by sequentially connecting two or more combinable pens; the combined pen is assembled with different pen points and refills, can meet the pen manufacturing requirements of different types of pens such as gel ink pens, fountain pens, ball-point pens, marking pens, gel ink pens and whiteboard pens, and has the characteristics of convenience and rapidness in use, disassembly, assembly and refill replacement; in practical application, different modes can be adopted for self-combination according to needs and preferences, the requirement for portability of various different types of pens is met, and the pens are not prone to being lost.

Description

Technical Field

[0001] The utility model relates to the technical field of stationery products, in particular to a modular pen and a modular pen. Background Art

[0002] Among stationery products, there are many types of pens, including water-based pens, fountain pens, ballpoint pens, markers, gel pens, whiteboard pens, etc. In current study, work and life, pens are indispensable as the main stationery for writing and recording texts, marking key contents of reading, and drawing images and pictures. At the same time, as people's requirements for writing, marking and drawing increase, different types of pens are needed. However, since pens are stationery that need to be carried with you, it is inconvenient to carry multiple pens of different types according to needs, and it is easy to lose the pens when changing them during use. Therefore, it is necessary to improve the structure of existing pens in order to design a combinable pen that can realize multiple combinations and is convenient and quick to use, disassemble and replace the core. Utility Model Content

[0003] The utility model aims to provide a combinable pen which can realize multiple combination modes and is convenient and quick to use, disassemble and replace the core.

[0004] Another object of the utility model is to provide a combined pen formed by combining the above-mentioned combinable pens.

[0005] To this end, the technical solution of the utility model is as follows:

[0006] A combinable pen, consisting of a pen cap, a pen core, a pen body and a tail plug; wherein the pen cap comprises a pen cap outer sleeve and a pen cap inner sleeve, the front end port of the pen cap inner sleeve is closed, and it is sleeved inside the pen cap outer sleeve with a gap and fixed to the front end of the pen cap outer sleeve; the pen core comprises a nib mounting tube and an ink storage tube connected in sequence from front to back; a nib is inserted in the nib mounting tube, and an ink core or ink is arranged in the ink storage tube; the front end of the ink storage tube is inserted into the pen cap outer sleeve, and the front end of the nib mounting tube is inserted into the pen cap inner sleeve; the front end outer diameter of the ink storage tube is the same as the front end outer diameter of the pen cap outer sleeve; the tail plug is a fixed tube connected in sequence from front to back. The tube and the mounting tube form a tube body with a closed front end and an open rear end, and the length of the inner cavity of the tube body is adapted to the length of the pen tip mounting tube with the pen tip; the tail plug is plugged into the rear end of the ink storage tube through the mounting tube, and the inner diameter of the mounting tube is the same as the inner diameter of the inner sleeve of the pen cap; a cross-shaped boss is provided on the front end surface of the fixed tube, so that the fixed tube is pressed against the rear end of the pen core through the cross-shaped boss; the pen barrel is sleeved on the outside of the ink storage tube and is threadedly connected and fixed with the ink storage tube; the length of the pen barrel is greater than the length of the ink storage tube, and its inner diameter is adapted to the front end outer diameter of the pen cap jacket, so that the front end of the pen cap jacket and the front end of the ink storage tube can be plugged into the rear end of the pen barrel.

[0007] Furthermore, the pen cap outer sleeve is a cylinder with openings at both ends, and the pen cap inner sleeve is a cylinder with a closed front end and an open rear end. The pen cap inner sleeve is fixed to the front end of the inner side of the pen cap outer sleeve by connecting plates evenly distributed radially along the circumferential direction.

[0008] Furthermore, a first annular boss is provided on the outer wall of the ink storage tube, and when the pen cap is inserted into the front end of the pen core, the rear end of the pen cap outer sleeve abuts against the front end surface of the first annular boss, and when the pen shaft is connected to the outside of the ink storage tube, the front end of the pen shaft abuts against the rear end surface of the first annular boss.

[0009] Furthermore, the outer diameter of the first annular boss and the outer diameter of the pen barrel are both the same as the rear end outer diameter of the pen cap sleeve.

[0010] Furthermore, a plurality of radially arranged straightening strips are evenly distributed along the circumferential direction on the inner wall of the nib mounting tube. The plurality of straightening strips form a ring whose inner diameter is adapted to the diameter of the nib, so that the nib is firmly inserted into the nib mounting tube.

[0011] Furthermore, the inner diameter of the ink storage tube is larger than the outer diameter of the ink core, and a plurality of radially arranged partitions are evenly distributed on the inner wall of the front end thereof along the circumferential direction, so that the front end of the ink core with an annular gap between it and the inner wall of the ink storage tube abuts against the rear ends of the plurality of partitions.

[0012] Furthermore, a second annular boss is provided on the rear end outer wall of the tail plug mounting tube, so that when the tail plug mounting tube is inserted into the ink storage tube, the second annular boss abuts against the rear end surface of the ink storage tube.

[0013] Furthermore, the pen tip is a Type I pen tip or a Type II pen tip; wherein, the Type I pen tip is a microporous pen tip, a fiber pen tip, a sintered pen tip, a felt pen tip, a gem pen tip or a soft pen tip; the Type II pen tip is an oily ballpoint pen tip, a neutral ballpoint pen tip or a medium oil ballpoint pen tip; the ink core is matched with the Type I pen tip, which is an ink-absorbing cotton or an ink sac; the ink is matched with the Type II pen tip, which is directly filled in the ink storage tube.

[0014] Furthermore, the transverse surfaces of the pen cap, the pen core, the pen barrel and the tail plug are circular or polygonal.

[0015] A combined pen formed by using the above-mentioned combinable pen is formed by connecting and combining at least two combinable pens in sequence.

[0016] Compared with the prior art, the modular pen meets the requirements for making various types of pens in terms of structural design. By adopting different pen heads and pen cores, the modular pen can be widely used to make water-based pens, fountain pens, ballpoint pens, marker pens, gel pens, whiteboard pens, etc.; at the same time, the modular pen has the characteristics of being convenient and quick to use, disassemble, and replace the core; in actual application, the modular pen can be self-assembled in different ways according to needs and preferences to form a modular pen, so as to meet the requirements of various types of pens being portable and not easy to be lost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the modular pen of the utility model;

[0018] FIG2( a ) is a schematic structural diagram of a pen cap of a modular pen of the present invention;

[0019] FIG2( b ) is a front view of the pen cap of the modular pen of the present invention;

[0020] Figure 3 It is a structural schematic diagram of the refill of the modular pen of the utility model;

[0021] FIG4( a ) is a schematic diagram of the structure of the tail plug of the modular pen of the present invention;

[0022] FIG4( b ) is a front view of the tail plug of the modular pen of the present invention;

[0023] Figure 5 It is a schematic structural diagram of the penholder of the modular pen of the utility model;

[0024] Figure 6 A schematic diagram of the structure of a combined pen formed by combining the combined pens of the utility model;

[0025] Figure 7 The present invention is a schematic structural diagram of another combination method of the combinable pen of the present invention. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the following embodiments are by no means intended to limit the present invention in any way.

[0027] Example 1

[0028] See also Figure 1 The modular pen is composed of a pen cap 1, a pen core 2, a pen body 3 and a tail plug 4; wherein the pen cap 1 and the tail plug 4 are detachably assembled on the front and rear ends of the pen core 2, respectively, and the pen body 3 is sleeved on the outside of the pen core 2 and is detachably connected to the pen core 2.

[0029] Referring to FIG. 2(a) and FIG. 2(b), the pen cap 1 includes a pen cap outer sleeve 1a and a pen cap inner sleeve 1b; wherein the pen cap outer sleeve 1a is a cylindrical body with openings at both ends, and the body is a body of equal wall thickness with a front diameter smaller than a rear diameter; the pen cap inner sleeve 1b is a cylindrical body with a closed front end and an open rear end; the pen cap inner sleeve 1b is sleeved on the inner front end of the pen cap outer sleeve 1a with a gap, and the two are connected as a whole through a connecting plate 1c uniformly arranged radially along the circumferential direction. In the structural design of the pen cap 1, the pen cap outer sleeve 1a and the pen cap inner sleeve 1b are set in a set manner so that the pen cap has a dual-function structure, including the pen cap outer sleeve 1a plugging function relative to the pen core 2 and the pen cap inner sleeve 1b moisturizing function relative to the pen tip; in addition, the pen cap outer sleeve 1a and the pen cap inner sleeve 1b are connected and fixed as a whole through a spaced connecting plate 1c, so that the pen cap 1 is formed with a venting channel in the axial direction to avoid suffocation caused by accidental swallowing.

[0030] See also Figure 3 The pen core 2 includes a pen tip mounting tube 2b and an ink storage tube 2a which are connected in sequence from front to back. Both are cylindrical tubes, and the diameter of the pen tip mounting tube 2b is smaller than the diameter of the ink storage tube 2a. A conical transition section is formed at the connection between the two. Among them, an ink core or ink is arranged in the ink storage tube 2a, and a pen tip is inserted in the pen tip mounting tube 2b.

[0031] A plurality of radially arranged straightening strips are evenly distributed along the circumferential direction on the inner wall of the nib mounting tube 2b. The inner diameter of the ring formed by the plurality of straightening strips is adapted to the diameter of the nib, so that the nib can be firmly inserted in the nib mounting tube 2b. In terms of size design, the outer diameter of the nib mounting tube 2b is adapted to the inner diameter of the pen cap inner sleeve 1b, so that it can be firmly inserted in the pen cap inner sleeve 1b. The length of the nib mounting tube 2b satisfies the following requirements: when the pen cap outer sleeve 1a is covered on the front end of the ink storage tube 2a, the front end of the nib mounting tube 2b is inserted into the pen cap inner sleeve 1b, and then, the nib is kept moist by the plug-in cooperation between the pen cap inner sleeve 1b and the nib mounting tube 2b.

[0032] The front end outer diameter of the ink storage tube 2a is the same as the front end outer diameter of the pen cap outer shell 1a, and is adapted to the rear end inner diameter of the pen cap outer shell 1a, so that the front end of the ink storage tube 2a is plugged into the rear end of the pen cap outer shell 1a; a first annular boss 2c is provided on the front side outer wall of the ink storage tube 2a, the outer diameter of the first annular boss 2c is the same as the rear end outer diameter of the pen cap outer shell 1a, and the setting position of the first annular boss 2c satisfies: when the pen cap 1 is covered on the front end of the pen core 2, the rear end of the pen cap 1 abuts against the front end surface of the first annular boss 2c; a section of connecting external thread for matching with the pen body 3 is provided on the outer wall of the ink storage tube 2a behind the first annular boss 2c and adjacent to the first annular boss 2c;

[0033] The inner diameter of the ink storage tube 2a is larger than the outer diameter of the ink core therein, and a plurality of radially arranged partitions are evenly arranged on the inner wall of the front end thereof in the circumferential direction, so that the front end of the ink core with an annular gap between it and the inner wall of the ink storage tube 2a abuts against the rear ends of the plurality of partitions. In the structural design of the nib mounting tube 2b and the ink storage tube 2a, the structural design of the straightening bar of the nib mounting tube 2b and the structural design of the partition at the front end of the ink storage tube 2a can further enable the nib and the core to be connected to the outside when in use, and can realize the circulation of air in the core 2, thereby ensuring smooth writing of the nib.

[0034] The selection of the pen tip is related to the ink core and ink correspondingly arranged in the ink storage tube 2a; specifically, the pen tip includes Type I pen tip and Type II pen tip; Type I pen tip is a microporous pen tip, a fiber pen tip, a sintered pen tip, a felt pen tip, a pearl pen tip or a soft pen tip; Type II pen tip is an oily ballpoint pen tip, a neutral ballpoint pen tip or a medium oil ballpoint pen tip; when the pen tip is selected as Type I pen tip, an ink core is configured in the corresponding ink storage tube 2a, and the ink core is specifically selected as ink-absorbing cotton or an ink sac, that is, the ink is supplied to the Type I pen tip through the ink-absorbing cotton or the ink sac; when the pen tip is selected as Type II pen tip, the corresponding ink storage tube 2a is filled with ink, that is, the ink is directly supplied to the Type II pen tip through the ink; based on the coordination of the above-mentioned pen tip with the ink core and ink, the modular pen can be widely used to make water-based pens, fountain pens, ballpoint pens, markers, gel pens, whiteboard pens, etc.

[0035] Referring to Figures 4(a) and 4(b), the tail plug 4 is composed of a fixed tube 4a and a mounting tube 4b connected in sequence from front to back, both of which are cylindrical tubes, and the front end port of the fixed tube 4a is closed, and the rear end of the mounting tube 4b is provided with an opening; the inner cavities of the fixed tube 4a and the mounting tube 4b are connected, and the length of the inner cavity of the tube body is adapted to the length of the mounting tube 2b with the pen tip.

[0036] The outer diameter of the mounting tube 4b is adapted to the inner diameter of the ink storage tube 2a, so that the tail plug 4 is firmly plugged into the rear end of the ink storage tube 2a through the mounting tube 4b; as a preferred technical solution of this embodiment, a second annular boss 4c is provided on the outer wall of the rear end of the mounting tube 4b, so that when the mounting tube 4b is plugged into the ink storage tube 2a, the second annular boss 4c abuts against the rear end surface of the ink storage tube 2a; in terms of size design, the inner diameter of the fixing tube 4a is the same as the inner diameter of the inner sleeve 1b of the pen cap, so that the front end of the pen tip mounting tube 2b can also be firmly plugged into the mounting tube 4b at the same time, so that when the modular pen is used in combination, the pen tip can also be inserted into the tail plug 4 to achieve moisturizing and anti-drying protection of the pen tip.

[0037] The outer diameter of the fixed tube 4a is smaller than that of the mounting tube 4b, and a cross-shaped boss 4d is provided on the front end surface thereof; in terms of size design, the length of the fixed tube 4a satisfies: when the mounting tube 4b is inserted into the ink storage tube 2a, the cross-shaped boss 4d at the front end of the fixed tube 4a abuts against the rear end of the pen core, and the structural design of the cross-shaped boss 4d is the same as the design of the straightening strip and the partition in the aforementioned pen core 2. The cross-shaped boss 4d structure can not only achieve the purpose of fixing the pen core, but also avoid blocking the rear end of the pen core and affecting the air flow inside the pen core 2 in the air, thereby ensuring smooth writing of the pen tip; at the same time, when the pen tip mounting tube 2b is inserted into the fixed tube 4a, a gap is left between the front end of the pen tip and the front end of the mounting tube 4b.

[0038] See also Figure 5 The pen barrel 3 is a cylindrical barrel 3a with openings at both ends. The inner diameter of the barrel 3a is adapted to the outer diameter of the pen core 2, so that the pen barrel 3 can be sleeved on the outside of the ink storage tube 2a; a connecting internal thread 3c is provided on the inner wall of the front end of the pen barrel 3, so that the front end of the pen barrel 3 is threadedly connected and fixed with the connecting external thread on the outside of the pen core 2 through its connecting internal thread, and the front end of the pen barrel 3 is against the rear end surface of the first annular boss 2c; in terms of size design, the outer diameter of the pen barrel 3 is the same as the outer diameter of the pen cap sleeve 1a, so that when the pen cap 1, the pen core 2 and the pen barrel 3 are connected in sequence to form a modular pen, the modular pen is a cylindrical tube body with a smooth outer wall; the inner diameter of the pen barrel 3 is adapted to the outer diameter of the pen cap inner sleeve 1b, and the length of the pen barrel 3 is greater than the length of the ink storage tube 2a, so that the pen cap 1 removed from the modular pen can be inserted into the rear end of the pen barrel 3 through the pen cap sleeve 1a.

[0039] Example 2

[0040] A combination pen is formed by connecting two or more combinable pens of embodiment 1 in sequence, and has two combination modes based on the structural characteristics of the combinable pen.

[0041] like Figure 6 The figure shows a combination pen formed by connecting two combinable pens of Embodiment 1 in a first combination mode. Specifically, the pen cap 1 of the combinable pen can be fastened and plugged into the rear end of the pen barrel 3 through the pen cap cover 1a. Therefore, in the combination pen, the second combinable pen is connected to the first combinable pen to form a combination pen by plugging its pen cap 1 into the rear end of the pen barrel 3 of the first combinable pen.

[0042] like Figure 7The figure shows a combined pen formed by connecting two combined pens of Embodiment 1 in a second combination mode. Specifically, since the front end outer diameter of the ink storage tube 2a is the same as the front end outer diameter of the pen cap cover 1a, the pen core 2 of the combined pen can be inserted into the rear end of the pen barrel 3 through the ink storage tube 2a, and the pen head mounting tube 2b is firmly inserted into the tail plug 4; therefore, in the combined pen, the second combined pen is connected to the first combined pen as a combined pen by inserting its pen core 2 into the rear end of the pen barrel 3 of the first combined pen, and the pen cap 1 of the second combined pen is firmly inserted into the rear end of the pen barrel 3 of the second combined pen.

[0043] The combination pen of this embodiment can realize the combined use of pens with different functions, which is not only easy to carry but also not easy to be lost during use. Among them, compared with the first combination method, the outer wall of the entire pen core of the combination pen formed by the second combination method is a smooth tube surface, and the combination and aesthetics are better.

Claims

1. A combinable pen, characterized in that: The invention comprises a pen cap (1), a pen core (2), a pen body (3) and a tail plug (4); wherein the pen cap (1) comprises a pen cap outer sleeve (1a) and a pen cap inner sleeve (1b); the front end port of the pen cap inner sleeve (1b) is closed, and the pen cap inner sleeve (1b) is sleeved inside the pen cap outer sleeve (1a) with a gap and fixed to the front end of the pen cap outer sleeve (1a); the pen core (2) comprises a nib mounting tube (2b) and an ink storage tube (2a) which are connected in sequence from front to back; a nib is inserted in the nib mounting tube (2b), and an ink core or ink is arranged in the ink storage tube (2a); the front end of the ink storage tube (2a) is plugged into the pen cap outer sleeve (1a), and the front end of the nib mounting tube (2b) is plugged into the pen cap inner sleeve (1b); the front end outer diameter of the ink storage tube (2a) is the same as the front end outer diameter of the pen cap outer sleeve (1a); the tail plug (4) is a fixed tube (4a) which is connected in sequence from front to back. a) and a mounting tube (4b) form a tube body with a closed front end and an open rear end, and the length of the inner cavity of the tube body is adapted to the length of a pen tip mounting tube (2b) with a pen tip; the tail plug (4) is plugged into the rear end of the ink storage tube (2a) through the mounting tube (4b), and the inner diameter of the mounting tube (4b) is the same as the inner diameter of the pen cap inner sleeve (1b); a cross-shaped boss (4d) is provided on the front end surface of the fixing tube (4a), so that the fixing tube (4a) is pressed against the rear end of the pen core through the cross-shaped boss (4d); the pen holder (3) is sleeved on the outside of the ink storage tube (2a) and is threadedly connected and fixed to the ink storage tube (2a); the length of the pen holder (3) is greater than the length of the ink storage tube (2a), and the inner diameter of the pen holder (3) is adapted to the outer diameter of the front end of the pen cap outer sleeve (1a), so that the front end of the pen cap outer sleeve (1a) and the front end of the ink storage tube (2a) can be plugged into the rear end of the pen holder (3).

2. The combinable pen according to claim 1, characterized in that: The pen cap outer sleeve (1a) is a cylindrical body with openings at both ends, and the pen cap inner sleeve (1b) is a cylindrical body with a closed front end and an open rear end. The pen cap inner sleeve (1b) is fixed to the front end of the inner side of the pen cap outer sleeve (1a) through connecting plates evenly arranged radially along the circumferential direction.

3. The combinable pen according to claim 1, characterized in that: A first annular boss (2c) is provided on the outer wall of the ink storage tube (2a), and when the pen cap (1) is inserted into the front end of the pen core (2), the rear end of the pen cap outer sleeve (1a) abuts against the front end surface of the first annular boss (2c), and when the pen holder (3) is connected to the outside of the ink storage tube (2a), the front end of the pen holder (3) abuts against the rear end surface of the first annular boss (2c).

4. The combinable pen according to claim 3, characterized in that: The outer diameter of the first annular boss (2c) and the outer diameter of the pen barrel (3) are both the same as the outer diameter of the rear end of the pen cap sleeve (1a).

5. The combinable pen according to claim 1, characterized in that: A plurality of radially arranged straightening strips are evenly distributed along the circumferential direction on the inner wall of the pen tip mounting tube (2b); the plurality of straightening strips form a ring whose inner diameter is adapted to the diameter of the pen tip, so that the pen tip is firmly inserted into the pen tip mounting tube (2b).

6. The combinable pen according to claim 1, characterized in that: The inner diameter of the ink storage tube (2a) is larger than the outer diameter of the ink core, and a plurality of radially arranged partitions are evenly distributed on the inner wall of the front end thereof in the circumferential direction, so that the front end of the ink core with an annular gap between it and the inner wall of the ink storage tube (2a) abuts against the rear ends of the plurality of partitions.

7. The combinable pen according to claim 1, characterized in that: A second annular boss (4c) is provided on the rear end outer wall of the tail plug mounting tube (4b), so that when the tail plug mounting tube (4b) is inserted into the ink storage tube (2a), the second annular boss (4c) abuts against the rear end surface of the ink storage tube (2a).

8. The combinable pen according to claim 1, characterized in that: The pen tip is a type I pen tip or a type II pen tip; wherein the type I pen tip is a microporous pen tip, a fiber pen tip, a sintered pen tip, a felt pen tip, a pearl pen tip or a soft pen tip; the type II pen tip is an oily ballpoint pen tip, a neutral ballpoint pen tip or a medium oil ballpoint pen tip; the ink core cooperates with the type I pen tip, and is an ink-absorbing cotton or an ink sac; the ink cooperates with the type II pen tip, and is directly filled in an ink storage tube (2a).

9. The combinable pen according to claim 1, characterized in that: The transverse surfaces of the pen cap (1), the pen core (2), the pen shaft (3) and the tail plug (4) are circular or polygonal.

10. A combination pen formed by using the combinable pen according to any one of claims 1 to 9, which is formed by connecting and combining at least two combinable pens in sequence.

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