Novel ball-point pen capable of elastically locking and quickly replacing refill
By combining a threaded ring and inclined plate structure with an elastic support mechanism and a magnetic fastening mechanism, the ballpoint pen refill can be replaced quickly, conveniently, and securely, solving the problems of inconvenient replacement and loosening/falling off in existing technologies.
Patent Information
- Application Number
- CN202520677850.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-04-10
AI Technical Summary
The process of replacing the refill of a ballpoint pen is inconvenient and the refill is prone to loosening or falling off, especially if it is accidentally dropped.
It adopts a threaded ring and inclined plate structure, combined with an elastic support mechanism and a magnetic fastening mechanism. It can be quickly assembled and disassembled by directly inserting the pen refill and rotating the threaded ring. The cooperation of the inclined plate and elastic components ensures the stability of the pen refill and convenient replacement.
It simplifies the pen refill replacement process, is suitable for pen refills of different lengths, improves the convenience and stability of replacement, prevents the pen refill from loosening or falling off, and is suitable for people without professional skills.
Smart Images
Figure CN223961931U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ballpoint pen technology, specifically a novel ballpoint pen with elastic locking and quick refill. Background Technology
[0002] As is well known, in existing ballpoint pen designs, replacing the refill is often inconvenient and inefficient. Traditional ballpoint pens typically use several methods to secure the refill: the refill is fixed to the pen body by a small clip or clamp. Replacing the refill requires carefully prying open these small parts, which is not only inconvenient but can also damage the pen body due to improper force. The refill is directly inserted into the pen body, but the lack of an effective securing mechanism makes it easy for the refill to loosen or even fall out, especially if the pen is accidentally dropped, where the refill may come out of the pen tube. Some designs use a threaded connection to secure the refill, but this usually requires the user to rotate the entire pen body or part of the component to remove it before replacing the refill, which is relatively cumbersome and may be difficult for some small pens. Therefore, it is necessary to propose a solution to this technical problem. Utility Model Content
[0003] (a) Technical problems to be solved
[0004] To address the shortcomings of existing technologies, this utility model provides a novel ballpoint pen with elastic locking and quick refill.
[0005] (II) Technical Solution
[0006] To achieve the above objectives, this utility model provides the following technical solution: A novel elastic locking quick-replacement ballpoint pen includes a pen tube body. The top end of the pen tube body has a mounting hole, and a pen refill is mounted in the mounting hole. A threaded groove is formed on the outer ring of the top end of the pen tube body, and a threaded ring is mounted on the threaded groove. A fastening groove is formed on one side of the threaded ring, and an inclined plate is provided on the fastening groove. An elastic support mechanism is provided between one side of the threaded ring and the inclined plate. The elastic support mechanism includes a fixing box, which is installed on one side of the threaded ring. A fixing groove is formed between the interior of the fixing box and the fastening groove. A fixing plate is provided on the fixing groove, and a fastening mechanism is provided between the fixing plate and the fixing groove. A connecting block is provided between the fixing plate and the inclined plate, and an elastic component connects one end of the fixing plate to the fixing groove.
[0007] Furthermore, the present invention is improved in that the fastening mechanism includes a magnet and an iron plate, the magnet is mounted on the fixing plate, and the iron plate is mounted on the fixing groove.
[0008] Furthermore, the present invention is improved in that the elastic support mechanism is provided in two symmetrical arrangements.
[0009] Furthermore, an improvement of this utility model is that a handle is provided at one end of the inclined plate.
[0010] Furthermore, the present invention is improved by providing a sealing gasket at the bottom end of the inclined plate.
[0011] Furthermore, an improvement of this utility model is that the elastic component is an alloy spring.
[0012] Furthermore, the present invention is improved in that the fixing plate is adapted to the fixing groove.
[0013] (III) Beneficial Effects
[0014] Compared with the prior art, this utility model provides a novel ballpoint pen with elastic locking and quick refill, which has the following beneficial effects:
[0015] This new type of flexible locking quick-refill ballpoint pen allows users to simply align the refill directly with the threaded ring and insert it into the threaded ring, then rotate the ring to complete the refill assembly. This greatly simplifies the refill replacement process, eliminating the need to disassemble multiple parts or use additional tools. Even those without professional skills can easily replace the refill. Through the linear movement of the inclined plate in the fastening groove and the elastic support of the elastic component, once the refill is correctly installed, it effectively blocks the refill in the mounting hole. A slight adjustment of the threaded ring allows the inclined plate to rest against the top of the refill. When replacing the old refill, the user simply pulls the inclined plate, causing the fixing plate to move along with it via the connecting block. Simultaneously, the elastic component is compressed and deformed, allowing the old refill to be easily removed. In addition to its quick refill replacement advantage, the rotating threaded ring allows for the assembly and fixing of refills of different lengths, improving its versatility. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of the present utility model. Figure 1 ;
[0017] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure 2 ;
[0018] Figure 3 This is a front half-sectional view of the structure of this utility model;
[0019] Figure 4 This utility model Figure 1 A top-view half-section view of the enlarged structure of the threaded ring.
[0020] In the diagram: 1. Pen tube body; 2. Pen refill; 3. Threaded ring; 4. Inclined plate; 5. Fixing box; 6. Fixing plate; 7. Connecting block; 8. Elastic component; 9. Magnet; 10. Iron plate; 11. Grip; 12. Sealing gasket. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-4This utility model relates to a novel ballpoint pen with elastic locking and quick-replacement mechanism, comprising a pen tube body 1. The top of the pen tube body 1 has a mounting hole, and a pen refill 2 is mounted on the mounting hole. A threaded groove is formed on the outer circumference of the top of the pen tube body 1, and a threaded ring 3 is mounted on the threaded groove. A fastening groove is formed on one side of the threaded ring 3, and a sloping plate 4 is mounted on the fastening groove. An elastic support mechanism is provided between one side of the threaded ring 3 and the sloping plate 4. The elastic support mechanism includes a fixing box 5, which is mounted on one side of the threaded ring 3. A fixing groove is formed between the interior of the fixing box 5 and the fastening groove. A fixing plate 6 is provided on the fixing groove, and a fastening mechanism is provided between the fixing plate 6 and the fixing groove. A connecting block 7 is provided between the fixing plate 6 and the inclined plate 4. An elastic component 8 is provided between one end of the fixing plate 6 and the fixing groove. In this embodiment, the operator threads the threaded ring 3 onto the threaded groove of the pen tube body 1, and then directly aligns the pen refill 2 with and inserts it into the top of the threaded ring 3, so that the pen refill 2 contacts and pushes the inclined plate 4 at an angle. The angle of inclination generates a lateral thrust, so that the inclined plate 4 moves linearly in the fastening groove. The inclined plate 4 moves away from the top of the mounting hole, so that the pen refill 2 is inserted into the mounting hole. When the pen refill 2 is assembled onto the pen tube body 1, the pen refill 2 moves away from the inclined plate 4, thereby allowing the elastic component 8 in the fixing groove inside the fixing box 5 to elastically support the fixing plate 6. The fixing plate 6 drives the inclined plate 4 to move linearly through the connecting block 7. The inclined plate 4 abuts against one side of the fastening groove, thereby blocking the threaded ring 3. Then, the person rotates the threaded ring 3, and the threaded ring 3 moves downward in the threaded groove, so that the inclined plate 4 abuts against the top of the pen refill 2 in the mounting hole, thereby locking the pen refill 2. The pen refill 2 can be quickly assembled by simply inserting the pen refill 2 and rotating the threaded ring 3. The pen refill 2 is the common ballpoint pen refill 2 in daily life, and will not be described in detail in this structure. As described above, when the ballpoint pen refill 2 is not in use, it can be protected by common household tools such as pen caps and pen sleeves. When the refill 2 is used up and needs to be replaced, simply pull the inclined plate 4, which will cause the fixing plate 6 to move along with the inclined plate 4 via the connecting block 7. The elastic component 8 will be compressed and deformed, and then the refill 2 can be poured out, thus quickly removing the refill 2 for easy and quick replacement. The elastic support of the elastic component 8 can prevent the refill 2 from falling out of the pen tube body 1 in the event of the structure falling to the ground. It is convenient to use and has stable and reliable characteristics.
[0023] In this solution, the fastening mechanism includes a magnet 9 and an iron plate 10. The magnet 9 is mounted on the fixing plate 6, and the iron plate 10 is mounted on the fixing groove. When the fixing plate 6 is pressed against the fixing groove, the magnet 9 of the fixing plate 6 attracts the iron plate 10, thereby making the inclined plate 4 more securely fixed.
[0024] In this scheme, there are two elastic support mechanisms arranged symmetrically, which can improve the elastic support effect on the inclined plate 4.
[0025] In this design, one end of the inclined plate 4 is provided with a handle 11, which makes it easy to pull and use the inclined plate 4 by holding the handle 11.
[0026] In this design, the bottom end of the inclined plate 4 is provided with a sealing gasket 12. The sealing gasket 12 can improve the sealing performance of the inclined plate 4 when it is pressed against the pen refill 2, and prevent the ballpoint pen ink from leaking.
[0027] In this solution, the elastic component 8 is an alloy spring. The elastic support stability of the alloy spring can improve the elastic support stability of the fixed plate 6.
[0028] In this solution, the fixing plate 6 is adapted to the fixing groove. By adapting the fixing plate 6 to the fixing groove, the linear movement stability of the fixing plate 6 in the fixing groove can be improved.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A new type of elastic locking quick refill ball pen, comprising a pen tube body (1), a mounting hole is formed at the top end of the pen tube body (1), and a refill (2) is arranged on the mounting hole, characterized in that, The outer circle of the top end of the pen tube body (1) is provided with a threaded groove, the threaded groove is provided with a threaded ring (3), one side of the threaded ring (3) is provided with a fastening groove, the fastening groove is provided with an inclined plate (4), an elastic supporting mechanism is arranged between one side of the threaded ring (3) and the inclined plate (4), the elastic supporting mechanism comprises a fixed box (5), the fixed box (5) is installed on one side of the threaded ring (3), a fixed groove is arranged between the inside of the fixed box (5) and the fastening groove, the fixed groove is provided with a fixed plate (6), a fastening mechanism is arranged between the fixed plate (6) and the fixed groove, a connecting block (7) is arranged between the fixed plate (6) and the inclined plate (4), and an elastic component (8) is connected between one end of the fixed plate (6) and the fixed groove.
2. A new type of elastic locking quick refill ball-point pen according to claim 1, characterized in that, The fastening mechanism comprises a magnet (9) and an iron plate (10), the magnet (9) is installed on the fixed plate (6), and the iron plate (10) is installed on the fixed groove.
3. A new type of elastic locking quick refill ball-point pen according to claim 2, characterized in that, The elastic supporting mechanism is provided with two and is symmetrically arranged.
4. A new type of elastic locking quick refill ball-point pen according to claim 3, characterized in that, One end of the inclined plate (4) is provided with a handle (11).
5. A new type of elastic locking quick refill ball-point pen according to claim 4, characterized in that, The bottom end of the inclined plate (4) is provided with a sealing gasket (12).
6. A new type of elastic locking quick refill ball-point pen according to claim 5, characterized in that, The elastic component (8) is an alloy spring.
7. A new type of elastic locking quick refill ball pen according to claim 6, characterized in that, The fixed plate (6) is matched with the fixed groove.