Electronic pen
By adopting structures such as anti-rotating parts and limiting sections in the electronic pen, the problem of unstable connection between the plastic pen tip and the metal rod is solved, and higher reliability and stability are achieved.
Patent Information
- Application Number
- CN202420775274.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The plastic tips and metal rods of existing electronic pens are prone to relative rotation or loosening when used, resulting in unstable connection.
The anti-rotation part is adopted, including the first anti-rotation part and the second anti-rotation part. The connection point between the plastic pen tip and the pen tip metal rod is fixed through an inline connection to avoid relative rotation about the axial direction, and passes through the limit section and limit position. The cylinder achieves axial precise connection.
It improves the connection reliability of the plastic pen tip and the pen tip metal rod, avoids loosening and relative rotation, and improves the stability of the electronic pen.
Smart Images
Figure CN222365246U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic pens, in particular to an electronic pen. Background Art
[0002] With the use of electronic pens, the input and output of active capacitive pen electrode signals are completed at the head of the electronic pen, and the input part is completed by the pen tip, so the pen tip needs to play a conductive role. When the pen tip is formed by the injection molding process, the plastic and the electrode metal rod are simply formed by the injection molding process to form the pen tip. The metal rod and the plastic are fixed by the opposite surface of the plastic and the metal rod when they are in the injection molding process. When in use, the plastic and the electrode metal rod will rotate relative to each other or easily become loose. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. The utility model provides an electronic pen, which improves the connection reliability between a plastic pen tip and a metal rod of the pen tip.
[0004] In order to achieve the above-mentioned purpose, the utility model provides an electronic pen, including a plastic pen tip and a pen tip metal rod, the pen tip metal rod is provided with a pen tip, the plastic pen tip is wrapped around the pen tip, an anti-rotation part is connected between the inner circumference of the plastic pen tip facing the pen tip and the outer circumference of the pen tip facing the plastic pen tip, the anti-rotation part includes a first anti-rotation part and a second anti-rotation part, and the first anti-rotation part is embedded and connected with the second anti-rotation part.
[0005] As a preferred solution, the first anti-rotation portion is arranged on the inner circumference of the plastic pen tip, and the second anti-rotation portion is arranged on the outer circumference of the pen tip.
[0006] As a preferred embodiment, the first anti-rotation part and the second anti-rotation part are respectively provided in plurality, the first anti-rotation part is circumferentially connected to the inner circumferential surface of the plastic pen tip, the second anti-rotation part is circumferentially connected to the outer circumferential surface of the pen tip, the positions of the first anti-rotation part and the second anti-rotation part are correspondingly arranged, and the first anti-rotation part is connected to the second anti-rotation part corresponding in position.
[0007] As a preferred embodiment, the second anti-rotation part is a through hole, the extension direction of the through hole intersects with the extension direction of the metal rod of the pen tip, the first anti-rotation part passes through the through hole, and the two ends of the first anti-rotation part are respectively connected to the inner circumference of the plastic pen tip.
[0008] As a preferred embodiment, the metal rod of the pen tip also includes a limiting section and a rod body, the pen tip, the limiting section and the rod body are connected in sequence along the axial direction, the inner circumference of the plastic pen tip is connected to a limiting cylinder, and the limiting cylinder is wrapped around the outer circumference of the limiting section, the end face of the rod body facing the limiting section is a first limiting surface, and the end face of the pen tip facing the limiting section is a second limiting surface, and the inner diameter of the limiting cylinder is smaller than the diameter of the first limiting surface and the diameter of the second limiting surface.
[0009] As a preferred solution, both end surfaces of the limiting cylinder in the axial direction are respectively in contact with the pen tip and the rod body.
[0010] As a preferred solution, a limiting portion is connected between the outer circumferential surface of the limiting section facing the limiting cylinder and the inner circumferential surface of the limiting cylinder facing the limiting section, and the limiting portion includes a first limiting portion and a second limiting portion, and the first limiting portion is embedded in the second limiting portion.
[0011] As a preferred solution, the first limiting portion is connected to the inner circumferential surface of the limiting cylinder, the first limiting portion and the limiting cylinder are integrally formed, and the second limiting portion is located on the outer circumferential surface of the limiting section.
[0012] As a preferred embodiment, the second limiting portion includes a first limiting groove and a second limiting groove, the extension direction of the first limiting groove intersects with the extension direction of the second limiting groove, and the first limiting portion is embedded in the first limiting groove and the second limiting groove respectively.
[0013] As a preferred embodiment, the plastic pen tip is provided with a pen tip cavity and at least two connection reinforcement sections, the pen tip cavity opening is arranged toward the side of the pen tip metal rod, the limiting cylinder is located in the pen tip cavity, the connection reinforcement sections are respectively connected to the inner circumferential wall of the plastic pen tip and the outer circumferential surface of the limiting cylinder, and a groove body is provided between adjacent connection reinforcement sections.
[0014] Compared with the prior art, the electronic pen of the utility model embodiment has the following beneficial effects: the tip of the metal rod of the pen tip is facing the end for writing, the inner peripheral surface of the plastic pen tip facing the pen tip and the outer peripheral surface of the pen tip facing the plastic pen tip are attached, the plastic pen tip is wrapped around the outer periphery of the pen tip, and the plastic pen tip is connected to the pen tip through an anti-rotation part. The anti-rotation part includes a first anti-rotation part and a second anti-rotation part, and the first anti-rotation part is embedded in the second anti-rotation part to prevent the plastic pen tip and the pen tip from rotating relative to each other around the axial direction, thereby improving the connection reliability between the plastic pen tip and the metal rod of the pen tip. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.
[0016] Figure 2It is a structural schematic diagram of a plastic pen tip according to the first embodiment of the utility model.
[0017] Figure 3 It is a cross-sectional view of the plastic pen tip of the first embodiment of the utility model.
[0018] Figure 4 It is a structural schematic diagram of the pen tip metal rod of the first embodiment of the utility model.
[0019] Figure 5 It is a partial structural sectional view of the second embodiment of the utility model.
[0020] Figure 6 It is a structural schematic diagram of the pen tip metal rod of the second embodiment of the utility model.
[0021] Figure 7 It is a cross-sectional view of the plastic pen tip of the second embodiment of the utility model.
[0022] Figure 8 It is a structural schematic diagram of the pen tip metal rod of the third embodiment of the utility model.
[0023] Fig. 9 It is a cross-sectional view of the overall structure of the third embodiment of the present utility model.
[0024] Fig.10 This utility model Fig. 9 Schematic diagram of the enlarged structure at B in FIG.
[0025] Fig.11 It is a cross-sectional view of the metal rod of the pen tip of the third embodiment of the present utility model.
[0026] Fig.12 This utility model Figure 8 Schematic diagram of the enlarged structure at A in FIG.
[0027] Fig.13 It is a cross-sectional view of the plastic pen tip of the third embodiment of the present utility model.
[0028] In the figure:
[0029] 10. Plastic pen tip; 12. Pen tip cavity; 13. Connecting reinforcement section; 14. Limiting cylinder; 15. Slot body;
[0030] 20. Pen tip metal rod; 21. Pen tip; 22. Second limiting surface; 23. Limiting section; 24. Rod body; 25. First limiting surface;
[0031] 30. anti-rotation part; 31. first anti-rotation part; 32. second anti-rotation part;
[0032] 40. Limiting portion; 41. First limiting portion; 42. Second limiting portion; 43. First limiting groove; 44. Second limiting groove. DETAILED DESCRIPTION
[0033] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0034] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used in the present invention to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0035] In the description of the present invention, it should be understood that the terms "connected", "connected", "fixed" and the like used in the present invention should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or a welding connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0036] like Figures 1 to 13 As shown, an electronic pen of a preferred embodiment of the utility model embodiment comprises a plastic pen tip 10 and a pen tip metal rod 20, wherein the pen tip metal rod 20 is provided with a pen tip 21, the plastic pen tip 10 is wrapped around the pen tip 21, an anti-rotation part 30 is connected between the inner circumference of the plastic pen tip 10 facing the pen tip 21 and the outer circumference of the pen tip 21 facing the plastic pen tip 10, the anti-rotation part 30 comprises a first anti-rotation part 31 and a second anti-rotation part 32, and the first anti-rotation part 31 is embedded in the second anti-rotation part 32.
[0037] In the electronic pen of the utility model, the pen tip 21 of the pen tip metal rod 20 is facing the end for writing, the inner peripheral surface of the plastic pen tip 10 facing the pen tip 21 and the outer peripheral surface of the pen tip 21 facing the plastic pen tip 10 are attached, the plastic pen tip 10 is wrapped around the outer periphery of the pen tip 21, and the plastic pen tip 10 is connected to the pen tip 21 through the anti-rotation part 30. Among them, the anti-rotation part 30 includes a first anti-rotation part 31 and a second anti-rotation part 32, and the first anti-rotation part 31 and the second anti-rotation part 32 are embedded and connected to prevent the plastic pen tip 10 and the pen tip 21 from rotating relative to each other around the axial direction, thereby improving the connection reliability of the plastic pen tip 10 and the pen tip metal rod 20.
[0038] As one embodiment, the first anti-rotation part 31 is embedded in the second anti-rotation part 32, or the second anti-rotation part is embedded in the first anti-rotation part, wherein the first anti-rotation part is arranged at the tip of the pen and the second anti-rotation part is arranged at the plastic tip of the pen, or the first anti-rotation part is arranged at the plastic tip of the pen and the second anti-rotation part is arranged at the tip of the pen.
[0039] As one embodiment, Figure 3 and Figure 8 As shown, the shapes and positions of the first anti-rotation portion 31 and the second anti-rotation portion 32 are correspondingly arranged, so that the opposing surfaces of the first anti-rotation portion 31 and the second anti-rotation portion 32 are more closely fitted, thereby improving the connection reliability.
[0040] Further, such as Figure 3 to Figure 4 , Figures 6 to 9 As shown, the first anti-rotation portion 31 is connected to the inner circumference of the plastic nib 10, and the second anti-rotation portion 32 is arranged on the outer circumference of the nib 21. The plastic nib 10 and the first anti-rotation portion 31 are made of plastic material, and the plastic nib 10 and the first anti-rotation portion 31 are integrally formed by injection molding. The first anti-rotation portion 31 protrudes from the inner circumference of the plastic nib 10 and is embedded in the second anti-rotation portion 32, so the molding effect is good and the molding process is relatively simple.
[0041] Further, such as Figure 3 to Figure 4 As shown, the first anti-rotation part 31 and the second anti-rotation part 32 are respectively provided with a plurality of them, the first anti-rotation part 31 is connected to the inner circumferential surface of the plastic pen tip 10 at intervals in the circumferential direction, the second anti-rotation part 32 is connected to the outer circumferential surface of the pen tip 21 at intervals in the circumferential direction, the first anti-rotation part 31 and the second anti-rotation part 32 are provided at positions corresponding to each other, and the first anti-rotation part 31 is connected to the second anti-rotation part 32 at corresponding positions. A plurality of anti-rotation parts 30 are connected between the inner circumferential surface of the plastic pen tip 10 and the outer circumferential surface of the pen tip 21, and the plurality of anti-rotation parts 30 further prevent the plastic pen tip 10 and the pen tip 21 from rotating relative to each other around the axial direction, thereby improving the connection reliability between the plastic pen tip 10 and the pen tip metal rod 20.
[0042] Further, such as Figure 5 , Fig.11 and Fig.13 As shown, the second anti-rotation portion 32 is a through hole, the extension direction of the through hole intersects with the extension direction of the pen tip metal rod 20, the first anti-rotation portion 31 passes through the through hole, and the two ends of the first anti-rotation portion 31 are respectively connected to the inner circumference of the plastic pen tip 10. The first anti-rotation portion 31 passes through the through hole, and the two ends of the first anti-rotation portion 31 are respectively connected to the inner circumference of the plastic pen tip 10, so as to prevent the plastic pen tip 10 and the pen tip 21 from falling off or rotating relative to each other, and improve the connection reliability between the plastic pen tip 10 and the pen tip 21.
[0043] As one embodiment, the plastic pen tip 10 is filled in the through hole during injection molding to form the first anti-rotation portion 31, and the first anti-rotation portion 31 is integrally formed with the plastic pen tip 10 to prevent the plastic pen tip 10 and the pen tip 21 from falling off or rotating relative to each other, thereby improving the connection reliability between the plastic pen tip 10 and the pen tip 21.
[0044] Further, such as Figure 3 , Figure 6 and Figure 8 As shown, the pen tip metal rod 20 also includes a limiting section 23 and a rod body 24. The pen tip 21, the limiting section 23 and the rod body 24 are sequentially connected in the axial direction. The inner circumference of the plastic pen tip 10 is connected to the limiting cylinder 14, and the limiting cylinder 14 is wrapped around the outer circumference of the limiting section 23. The end surface of the rod body 24 facing the limiting section 23 is the first limiting surface 25, and the end surface of the pen tip 21 facing the limiting section 23 is the second limiting surface 22. The inner diameter of the limiting cylinder 14 is smaller than the diameter of the first limiting surface 25 and the diameter of the second limiting surface 22. The limiting cylinder 14 is wrapped around the outer circumference of the limiting section 23 to limit the plastic pen tip 10 and the pen tip metal rod 20 at the axial connection position, and at the same time, prevent the plastic pen tip 10 from falling off the pen tip metal rod 20.
[0045] As one embodiment, the limiting tube 14 and the plastic pen tip 10 are integrally formed, and the processing technology is simple.
[0046] Further, such as Figures 9 and 10 As shown, the two end faces of the limiting cylinder 14 in the axial direction are respectively in contact with the pen tip 21 and the rod body 24, so as to realize precise limiting of the axial connection position of the plastic pen tip 10 and the pen tip metal rod 20, avoid the axial movement of the plastic pen tip 10 relative to the pen tip metal rod 20, and improve the stability of the connection position of the plastic pen tip 10 and the pen tip metal rod 20.
[0047] Further, such as Figures 8 to 13 As shown, a limiting portion 40 is connected between the outer circumferential surface of the limiting segment 23 facing the limiting cylinder 14 and the inner circumferential surface of the limiting cylinder 14 facing the limiting segment 23, and the limiting portion 40 includes a first limiting portion 41 and a second limiting portion 42, and the first limiting portion 41 is embedded in the second limiting portion 42 to avoid relative axial rotation between the limiting cylinder 14 and the limiting segment 23, thereby improving the connection position stability between the plastic pen tip 10 and the pen tip metal rod 20.
[0048] Further, such as Figures 1 to 13As shown, the first limiting portion 41 is connected to the inner circumference of the limiting cylinder 14, the first limiting portion 41 and the limiting cylinder 14 are integrally formed, and the second limiting portion 42 is located on the outer circumference of the limiting section 23. The plastic nib 10, the first limiting portion 41 and the limiting cylinder 14 are respectively made of plastic materials, and the plastic nib 10, the first limiting portion 41 and the limiting cylinder 14 are integrally formed by injection molding. The first limiting portion 41 protrudes from the inner circumference of the limiting cylinder 14 and is embedded in the second limiting portion 42, so the molding effect is good and the molding process is relatively simple.
[0049] Further, such as Figure 11 to Figure 12 As shown, the second limiting portion 42 includes a first limiting groove 43 and a second limiting groove 44, the extension direction of the first limiting groove 43 intersects with the extension direction of the second limiting groove 44, and the first limiting portion 41 is respectively embedded in the first limiting groove 43 and the second limiting groove 44, so that the first limiting portion 41 and the second limiting portion 42 are limited in two directions, avoiding relative rotation or movement between the limiting section 23 and the limiting cylinder 14, and improving the connection position stability between the limiting section 23 and the limiting cylinder 14.
[0050] As one embodiment, Figures 8 to 13 As shown, the outer circumferential surface of the limiting section 23 is respectively provided with a plurality of second limiting portions 42, and the inner circumferential surface of the limiting cylinder 14 is respectively provided with a plurality of first limiting portions 41 arranged at positions corresponding to the second limiting portions 42, and the first limiting portions 41 are embedded in the second limiting portions 42 at corresponding positions, so as to further avoid relative rotation between the limiting cylinder 14 and the limiting section 23 and improve the connection stability between the limiting cylinder 14 and the limiting section 23.
[0051] As one embodiment, the second limiting portion 42 is formed by knurling or T-treatment of the metal surface.
[0052] As one embodiment, Fig.12 As shown, the first limiting groove 43 intersects with the second limiting groove 44 to improve the molding integrity of the first limiting portion 41 .
[0053] Further, such as Figure 2 , Figure 4 , Figure 7 as well as Fig.13As shown, the plastic pen tip 10 is provided with a pen tip cavity 12 and at least two connection reinforcement sections 13, the pen tip cavity 12 is opened toward one side of the pen tip metal rod 20, the limiting cylinder 14 is located in the pen tip cavity 12, the connection reinforcement sections 13 are respectively connected to the inner peripheral wall of the plastic pen tip 10 and the outer peripheral surface of the limiting cylinder 14, and a groove body 15 is provided between the adjacent connection reinforcement sections 13. The connection reinforcement sections 13 are used to improve the connection stability between the limiting cylinder 14 and the plastic pen tip 10, and the groove body 15 is provided between the adjacent connection reinforcement sections 13, so as to reduce the molding materials of the plastic pen tip 10 and reduce the production cost.
[0054] In summary, the embodiment of the utility model provides an electronic pen, wherein the pen tip 21 of the pen tip metal rod 20 is facing the end for writing, the inner peripheral surface of the plastic pen tip 10 facing the pen tip 21 and the outer peripheral surface of the pen tip 21 facing the plastic pen tip 10 are attached, the plastic pen tip 10 is wrapped around the outer periphery of the pen tip 21, and the plastic pen tip 10 is connected to the pen tip 21 through the anti-rotation part 30. Among them, the anti-rotation part 30 includes a first anti-rotation part 31 and a second anti-rotation part 32, and the first anti-rotation part 31 is embedded and connected to the second anti-rotation part 32 to prevent the plastic pen tip 10 and the pen tip 21 from rotating relative to each other around the axial direction, thereby improving the connection reliability between the plastic pen tip 10 and the pen tip metal rod 20.
[0055] The above are only preferred implementations of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.
Claims
1. An electronic pen, characterized in that: The invention comprises a plastic pen tip (10) and a pen tip metal rod (20), wherein the pen tip metal rod (20) is provided with a pen tip (21), the plastic pen tip (10) is wrapped around the pen tip (21), an anti-rotation part (30) is connected between the inner peripheral surface of the plastic pen tip (10) facing the pen tip (21) and the outer peripheral surface of the pen tip (21) facing the plastic pen tip (10), and the anti-rotation part (30) comprises a first anti-rotation part (31) and a second anti-rotation part (32), and the first anti-rotation part (31) and the second anti-rotation part (32) are embedded and connected.
2. The electronic pen according to claim 1, characterized in that: The first anti-rotation portion (31) is arranged on the inner circumference of the plastic pen tip (10), and the second anti-rotation portion (32) is arranged on the outer circumference of the pen tip (21).
3. The electronic pen according to claim 1, characterized in that: A plurality of the first anti-rotation parts (31) and the second anti-rotation parts (32) are respectively provided. The first anti-rotation parts (31) are connected to the inner circumferential surface of the plastic pen tip (10) at circumferential intervals, and the second anti-rotation parts (32) are connected to the outer circumferential surface of the pen tip (21) at circumferential intervals. The positions of the first anti-rotation parts (31) and the second anti-rotation parts (32) are correspondingly arranged, and the first anti-rotation parts (31) are connected to the second anti-rotation parts (32) at corresponding positions.
4. The electronic pen according to claim 3, characterized in that: The second anti-rotation portion (32) is a through hole, the extension direction of which intersects with the extension direction of the pen tip metal rod (20), the first anti-rotation portion (31) passes through the through hole, and the two ends of the first anti-rotation portion (31) are respectively connected to the inner circumferential surface of the plastic pen tip (10).
5. The electronic pen according to claim 1, characterized in that: The pen tip metal rod (20) further comprises a limiting section (23) and a rod body (24); the pen tip (21), the limiting section (23) and the rod body (24) are connected in sequence along the axial direction; the inner circumference of the plastic pen tip (10) is connected to a limiting cylinder (14); the limiting cylinder (14) is wrapped around the outer circumference of the limiting section (23); the end surface of the rod body (24) facing the limiting section (23) is a first limiting surface (25); the end surface of the pen tip (21) facing the limiting section (23) is a second limiting surface (22); the inner diameter of the limiting cylinder (14) is smaller than the diameter of the first limiting surface (25) and the diameter of the second limiting surface (22).
6. The electronic pen according to claim 5, characterized in that: The two end surfaces of the limiting cylinder (14) in the axial direction are respectively in contact with the pen tip (21) and the rod body (24).
7. The electronic pen according to claim 5, characterized in that: A limiting portion (40) is connected between the outer circumferential surface of the limiting section (23) facing the limiting cylinder (14) and the inner circumferential surface of the limiting cylinder (14) facing the limiting section (23), and the limiting portion (40) includes a first limiting portion (41) and a second limiting portion (42), and the first limiting portion (41) is embedded in the second limiting portion (42).
8. The electronic pen according to claim 7, characterized in that: The first limiting portion (41) is connected to the inner circumferential surface of the limiting cylinder (14), the first limiting portion (41) and the limiting cylinder (14) are integrally formed, and the second limiting portion (42) is located on the outer circumferential surface of the limiting section (23).
9. The electronic pen according to claim 7, characterized in that: The second limiting portion (42) comprises a first limiting groove (43) and a second limiting groove (44); an extension direction of the first limiting groove (43) intersects with an extension direction of the second limiting groove (44); and the first limiting portion (41) is respectively embedded in the first limiting groove (43) and the second limiting groove (44).
10. The electronic pen according to claim 5, characterized in that: The plastic pen tip (10) is provided with a pen tip cavity (12) and at least two connection reinforcement sections (13); the pen tip cavity (12) is opened toward one side of the pen tip metal rod (20); the limiting cylinder (14) is located in the pen tip cavity (12); the connection reinforcement sections (13) are respectively connected to the inner peripheral wall of the plastic pen tip (10) and the outer peripheral surface of the limiting cylinder (14); and a groove body (15) is provided between adjacent connection reinforcement sections (13).