Pen point and rope pen
By designing a pen tip body with a through channel, the problems of homogeneous materials and non-detachable connections in existing bendable pens are solved, enabling convenient assembly and disassembly of the pen tip and pen body, and extending its service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-13
- Publication Date
- 2026-03-03
AI Technical Summary
Existing bendable pens are made of highly homogenized materials, have simple structures, and the pen tip is fixedly connected to the pen body, making them irreplaceable after damage and resulting in the entire pen being discarded.
Design a pen tip body with a through channel, including a pen tip head channel and a pen body channel, with different inner diameters to form a limiting step, to achieve a detachable connection between the pen tip and the pen body. It adopts an integrated or split structure, and the pen tip and pen body are easily disassembled and assembled through snap-fit parts and threaded connections.
It enables easy assembly and disassembly of the pen tip and body, extending the pen's lifespan and reducing waste.
Smart Images
Figure CN223961930U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cultural and creative technology, specifically to a pen tip and a rope pen. Background Technology
[0002] Currently, as bendable pens, similar products such as wristband pens mostly use rubber tubing as the main material, resulting in simple structures and rough appearances. Taking the aforementioned conventional stationery pens as an example, current stationery pens are highly homogenized in terms of materials and structure, and their storage methods are limited. For example, the connection between the pen tip and the pen body is generally fixed, meaning that once the pen body or pen tip is damaged, it cannot be replaced and must be discarded. Utility Model Content
[0003] This utility model provides a pen tip and a string pen to solve one or more technical problems existing in the prior art.
[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A pen tip, including a pen tip body, the pen tip body having a through channel, the through channel including a pen tip head channel and a pen body channel that are tightly fitted to the pen body, the inner diameter of the pen tip head channel being smaller than the inner diameter of the pen body channel, and a pen tip limiting step being formed at the position of the pen tip head channel near the pen body channel.
[0005] The beneficial effects of this utility model are: the pen tip of this utility model, by setting a through channel, can assemble the head of the pen refill into the pen refill head channel and the pen body into the pen body channel, without the need for an additional connecting structure, which facilitates the assembly and disassembly of the pen tip and the pen body.
[0006] Based on the above technical solution, the present invention can be further improved as follows.
[0007] Furthermore, the pen tip body is a one-piece structure; or, the pen tip body is a split structure, the pen tip body includes a first pen tip cone and a connector tube, the first pen tip cone is detachably connected to one end of the connector tube, a pen refill head channel and a pen refill limiting step are formed inside the first pen tip cone, a pen body channel is formed inside the connector tube, and a pen body limiting step is formed at one end of the first pen tip cone connected to the connector tube.
[0008] Furthermore, the pen tip body has a split structure, comprising a first pen tip tail snap-fit component and a sleeve-type pen tip cone. The first pen tip tail snap-fit component is threadedly connected to an open structure at one end of the sleeve-type pen tip cone. The other end of the sleeve-type pen tip cone has a through hole for the writing end of the pen refill to pass through. A pen refill limiting step is formed inside the other end of the sleeve-type pen tip cone. A pen refill assembly channel is formed between the inside of the sleeve-type pen tip cone and the first pen tip tail snap-fit component. The pen refill assembly channel includes a pen refill head channel and a pen refill body channel connected in sequence. A pen body channel is formed inside the first pen tip tail snap-fit component, and the pen refill body channel is arranged close to the pen body channel.
[0009] The beneficial effect of adopting the above-mentioned further solution is that by setting the first pen head and tail snap-fit, it is convenient to snap the pen body into the first pen head and tail snap-fit.
[0010] Furthermore, the first pen tip tail snap-fit component includes a first cylindrical threaded component that is closed at one end and open at the other end. At least one first elongated opening is provided on the outer wall of the first cylindrical threaded component. One end of the first elongated opening is connected to the open end of the first cylindrical threaded component. The outer wall of the first cylindrical threaded component is provided with an external thread that is adapted to the internal thread of the sleeve-type pen tip cone for threaded connection.
[0011] Furthermore, a first pen body hook is provided on the inner side wall of the first cylindrical threaded component, and the first pen body hook is arranged facing the closed end of the first cylindrical threaded component.
[0012] Furthermore, the pen tip body has a split structure, comprising a second pen tip tail snap-fit component, a connecting sleeve, and a second pen tip cone. One end of the second pen tip tail snap-fit component is connected to the second pen tip cone, and the connecting sleeve is sleeved and threaded onto the outside of the second pen tip tail snap-fit component. A pen refill head channel is formed inside the second pen tip cone, and a pen refill assembly channel and a pen body channel are formed in sequence inside the second pen tip tail snap-fit component. The pen refill assembly channel includes a pen refill head channel and a pen refill body channel in sequence, and the pen refill body channel is arranged close to the pen body channel.
[0013] The beneficial effect of adopting the above-mentioned further solution is that by setting a second pen head and tail snap-fit, it is convenient to snap the pen body into the second pen head and tail snap-fit.
[0014] Furthermore, a baffle is provided on the inner side of the second pen tip and tail snap-fit component, and the pen refill body channel and the pen body channel are respectively located on both sides of the baffle along the axial direction.
[0015] Furthermore, the second pen tip and tail snap-fit component includes a second cylindrical threaded component with open ends. The outer wall of the second cylindrical threaded component has at least one second elongated opening. One end of the second elongated opening communicates with one open end of the second cylindrical threaded component. The outer wall of the second cylindrical threaded component has a first external thread section and a second external thread section. The first external thread section is threadedly connected to the first internal thread at one end of the second pen tip cone. The second external thread section is threadedly connected to the second internal thread of the connecting sleeve.
[0016] Furthermore, a second pen body hook is provided on the inner wall of the second cylindrical threaded part, and the second pen body hook is arranged facing the second pen tip cone.
[0017] A rope pen includes the aforementioned pen tip and a pen body, the pen body being inserted into the pen body channel.
[0018] The beneficial effects of this utility model are: the rope pen of this utility model facilitates the disassembly and assembly of the pen body and the pen tip. Attached Figure Description
[0019] Figure 1 This is a cross-sectional view of the pen tip in Embodiment 1 of this utility model;
[0020] Figure 2 This is a cross-sectional view of the pen tip in Embodiment 2 of this utility model;
[0021] Figure 3 This is a cross-sectional view of the pen tip in Embodiment 3 of this utility model;
[0022] Figure 4 This is a schematic diagram of the split structure of the pen tip in Embodiment 3 of this utility model;
[0023] Figure 5 This is a schematic diagram of the assembly process of the pen tip in Embodiment 3 of this utility model;
[0024] Figure 6 This is a cross-sectional view of the pen tip in Embodiment 4 of this utility model;
[0025] Figure 7 This is a schematic diagram of the split structure of the pen tip in Embodiment 4 of this utility model.
[0026] The attached diagram lists the components represented by each number as follows:
[0027] 1. The pen tip itself;
[0028] 121. Insert pipe; 122. First pen tip cone;
[0029] 131. Sleeve-type pen tip cone; 132. First pen tip tail retaining piece; 1311. Internal thread; 1321. First pen body retaining hook; 1322. External thread;
[0030] 141. Second pen tip cone; 142. Connecting sleeve; 143. Second pen tip tail snap-fit component; 1411. First internal thread; 1421. Second internal thread; 1431. First external thread section; 1432. Second external thread section; 1433. Baffle; 1434. Second pen body snap hook;
[0031] 3. Pen refill; 4. Pen body; 41. Wire-like metal body; 42. Cord core;
[0032] 5. Tail end sealing and fixing sleeve. Detailed Implementation
[0033] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0034] Example 1
[0035] like Figure 1 As shown, a pen tip according to this embodiment includes a pen tip body, the pen tip body having a through channel, the through channel including a refill head channel and a pen body channel that fits tightly with the pen body, the inner diameter of the refill head channel being smaller than the inner diameter of the pen body channel, and a refill limiting step being formed at the position of the refill head channel near the pen body channel. The pen tip body is a one-piece structure.
[0036] In this embodiment, the pen tip has a through channel, which allows the pen refill head to be assembled in the pen refill head channel and the pen body to be assembled in the pen body channel. No additional connecting structure is required, which facilitates the assembly and disassembly of the pen tip and the pen body.
[0037] Example 2
[0038] like Figure 2 As shown, a pen tip in this embodiment includes a pen tip body, the pen tip body having a through channel, the through channel including a pen tip head channel and a pen body channel that are tightly fitted to the pen body, the inner diameter of the pen tip head channel being smaller than the inner diameter of the pen body channel, and a pen tip limiting step being formed at the position of the pen tip head channel near the pen body channel.
[0039] The pen tip body in this embodiment has a split structure. The pen tip body includes a first pen tip cone 122 and a connector 121. The first pen tip cone 122 is detachably connected to one end of the connector 121. A pen refill head channel and a pen refill limiting step are formed inside the first pen tip cone. A pen body channel is formed inside the connector 121. The end of the first pen tip cone connected to the connector forms a pen body limiting step.
[0040] Example 3
[0041] like Figures 3-5 As shown, a pen tip in this embodiment includes a pen tip body, the pen tip body having a through channel, the through channel including a pen tip head channel and a pen body channel that are tightly fitted to the pen body, the inner diameter of the pen tip head channel being smaller than the inner diameter of the pen body channel, and a pen tip limiting step being formed at the position of the pen tip head channel near the pen body channel.
[0042] like Figures 3-5 As shown, the pen tip body 1 in this embodiment has a split structure. The pen tip body 1 includes a first pen tip tail retainer 132 and a sleeve-type pen tip cone 131. The first pen tip tail retainer 132 is threadedly connected to one open end of the sleeve-type pen tip cone 131. The other end of the sleeve-type pen tip cone 131 has a through hole for the writing end of the pen refill 3 to pass through. A pen refill limiting step is formed inside the other end of the sleeve-type pen tip cone 131. A pen refill assembly channel is formed between the inside of the sleeve-type pen tip cone 131 and the first pen tip tail retainer 132. The pen refill assembly channel includes a pen refill head channel and a pen refill body channel connected in sequence. A pen body channel is formed inside the first pen tip tail retainer 132, and the pen refill body channel is arranged close to the pen body channel. By setting the first pen tip tail retainer, it is convenient to snap the pen body into the first pen tip tail retainer.
[0043] like Figures 3-5 As shown, the first pen tip tail snap-fit component 132 in this embodiment includes a first cylindrical threaded component that is closed at one end and open at the other end. At least one first elongated opening is provided on the outer wall of the first cylindrical threaded component. One end of the first elongated opening communicates with the other open end of the first cylindrical threaded component. The outer wall of the first cylindrical threaded component is provided with an external thread 1322 that is adapted to and threadedly connected to the internal thread 1311 of the sleeve-type pen tip cone 131.
[0044] like Figures 3-5 As shown, the first cylindrical threaded component in this embodiment is provided with a first pen body hook 1321 on the inner side wall, and the first pen body hook 1321 is arranged toward the closed end of the first cylindrical threaded component.
[0045] Example 4
[0046] like Figure 6 and Figure 7 As shown, a pen tip in this embodiment includes a pen tip body, the pen tip body having a through channel, the through channel including a pen tip head channel and a pen body channel that are tightly fitted to the pen body, the inner diameter of the pen tip head channel being smaller than the inner diameter of the pen body channel, and a pen tip limiting step being formed at the position of the pen tip head channel near the pen body channel.
[0047] like Figure 6 and Figure 7 As shown, the pen tip body 1 in this embodiment has a split structure. The pen tip body 1 includes a second pen tip tail locking member 143, a connecting sleeve 142, and a second pen tip cone 141. One end of the second pen tip tail locking member 143 is connected to the second pen tip cone 141. The connecting sleeve 142 is sleeved and threaded onto the outside of the second pen tip tail locking member 143. A pen refill head channel is formed inside the second pen tip cone. A pen refill assembly channel and a pen body channel are formed in sequence inside the second pen tip tail locking member 143. The pen refill assembly channel includes a pen refill head channel and a pen refill body channel in sequence. The pen refill body channel is arranged close to the pen body channel. By providing the second pen tip tail locking member, it is convenient to lock the pen body into the second pen tip tail locking member.
[0048] like Figure 6 and Figure 7 As shown, in this embodiment, the inner side of the second pen tip tail latch 143 is provided with a baffle 1433, and the pen refill body channel and the pen body channel are respectively located on both sides of the baffle.
[0049] like Figure 6 and Figure 7 As shown, the second pen tip tail snap-fit component 143 in this embodiment includes a second cylindrical threaded component with open ends. At least one second elongated opening is provided on the outer wall of the second cylindrical threaded component. One end of the second elongated opening communicates with one open end of the second cylindrical threaded component. A first external thread section 1431 and a second external thread section 1432 are provided on the outer wall of the second cylindrical threaded component. The first external thread section 1431 is threadedly connected to the first internal thread 1411 at one end of the second pen tip cone 141. The second external thread section 1432 is threadedly connected to the second internal thread 1421 of the connecting sleeve 142.
[0050] like Figure 6 and Figure 7 As shown, the second cylindrical threaded component in this embodiment is provided with a second pen body hook 1434 on its inner sidewall, and the second pen body hook 1434 is arranged toward the second pen tip cone 141.
[0051] Example 5
[0052] This embodiment also provides a rope pen, including a pen tip from any of the embodiments 1 to 5 above, and a pen body 4, which is inserted into the pen body channel.
[0053] Furthermore, the pen tip includes a rubber pen tip, a silicone pen tip, a plastic pen tip, a metal pen tip, a leather pen tip, or a fabric pen tip.
[0054] Furthermore, the pen body 4 of the rope pen can be made of commercially available static rope, or a portion of the core 42 of the static rope can be extracted to form a rope structure with an installation channel, and a linear metal body 41 can be inserted into the installation channel instead of the extracted core 42; the linear metal body 41 includes a metal wire or a metal rod.
[0055] The rope core 42 includes a central rope core, multiple outer rope cores, and multiple inner rope cores. The multiple inner rope cores are arranged around the outer periphery of the central rope core, and the multiple outer rope cores are arranged around the outer periphery of the multiple inner rope cores. Generally, the central rope core can be pulled out and replaced by a linear metal body 41. If a pen body 4 with greater rigidity is required, the rope cores in other positions can also be replaced by linear metal bodies.
[0056] In this embodiment, the pen body 4 can be a straight structure or a curved structure.
[0057] In this embodiment, a tail-end sealing sleeve 5 can also be provided at the tail end of the pen body to cover the tail end of the pen body of the rope pen 4.
[0058] The cord pen in this embodiment facilitates the assembly and disassembly of the pen body 4 and the pen tip.
[0059] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0060] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0061] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0062] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0063] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0064] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.
Claims
1. A pen tip, characterized in that, The pen includes a pen tip body (1), which has a through channel. The through channel includes a pen tip head channel that is interconnected with the pen body and a pen body channel that is tightly fitted with the pen body. The inner diameter of the pen tip head channel is smaller than the inner diameter of the pen body channel. A pen tip limiting step is formed at the position of the pen tip head channel near the pen body channel.
2. The pen tip according to claim 1, characterized in that, The pen tip body (1) is an integral structure; or, the pen tip body (1) is a split structure. The pen tip body (1) includes a first pen tip cone (122) and a connector (121). The first pen tip cone (122) is detachably connected to one end of the connector (121). A pen refill head channel and a pen refill limiting step are formed inside the first pen tip cone. A pen body channel is formed inside the connector (121). A pen body limiting step is formed at one end of the first pen tip cone connected to the connector.
3. The pen tip according to claim 1, characterized in that, The pen tip body (1) is a split structure. The pen tip body (1) includes a first pen tip tail snap-fit (132) and a sleeve-type pen tip cone (131). The first pen tip tail snap-fit (132) is threadedly connected to one open structure of the sleeve-type pen tip cone (131). The other end of the sleeve-type pen tip cone (131) has a through hole for the writing end of the pen refill (3) to pass through. The other end of the sleeve-type pen tip cone (131) has a pen refill limiting step. A pen refill assembly channel is formed between the inside of the sleeve-type pen tip cone (131) and the first pen tip tail snap-fit (132). The pen refill assembly channel includes a pen refill head channel and a pen refill body channel connected in sequence. A pen body channel is formed inside the first pen tip tail snap-fit (132). The pen refill body channel is arranged close to the pen body channel.
4. A pen tip according to claim 3, characterized in that, The first pen tip tail snap-fit component (132) includes a first cylindrical threaded component that is closed at one end and open at the other end. At least one first elongated opening is provided on the outer wall of the first cylindrical threaded component. One end of the first elongated opening is connected to the other open end of the first cylindrical threaded component. The outer wall of the first cylindrical threaded component is provided with an external thread that is adapted to the internal thread of the sleeve-type pen tip cone (131).
5. A pen tip according to claim 4, characterized in that, The inner wall of the first cylindrical threaded component is provided with a first pen body hook (1321), which is arranged towards the closed end of the first cylindrical threaded component.
6. A pen tip according to claim 1, characterized in that, The pen tip body (1) is a split structure. The pen tip body (1) includes a second pen tip tail snap-fit (143), a connecting sleeve (142), and a second pen tip cone (141). One end of the second pen tip tail snap-fit (143) is connected to the second pen tip cone (141). The connecting sleeve (142) is sleeved and threadedly connected to the outside of the second pen tip tail snap-fit (143). A pen tip head channel is formed inside the second pen tip cone. A pen tip assembly channel and a pen body channel are formed in sequence inside the second pen tip tail snap-fit (143). The pen tip assembly channel includes a pen tip head channel and a pen tip body channel that are connected in sequence. The pen tip body channel is arranged close to the pen body channel.
7. A pen tip according to claim 6, characterized in that, The second pen tip and tail snap-fit component (143) has a baffle (1433) on its inner side, and the pen refill body channel and the pen body channel are located on the axial sides of the baffle, respectively.
8. A pen tip according to claim 6, characterized in that, The second pen tip and tail snap-fit component (143) includes a second cylindrical threaded component with open ends. At least one second elongated opening is provided on the outer wall of the second cylindrical threaded component. One end of the second elongated opening is connected to one open end of the second cylindrical threaded component. A first external thread section (1431) and a second external thread section (1432) are provided on the outer wall of the second cylindrical threaded component. The first external thread section (1431) is threadedly connected to the first internal thread (1411) at one end of the second pen tip cone (141). The second external thread section (1432) is threadedly connected to the second internal thread (1421) of the connecting sleeve (142).
9. A pen tip according to claim 8, characterized in that, The inner wall of the second cylindrical threaded part is provided with a second pen body hook (1434), which is arranged toward the second pen tip cone (141).
10. A rope pen, characterized in that, The pen includes a pen tip as described in any one of claims 1 to 9, and also includes a pen body, the pen body being inserted into the pen body channel.