Anti-ink-interruption gel pen based on three-point bearing type pen point
By designing a telescopic and elastic mechanism for the anti-ink-breakage gel pen, the problem of easy damage to the pen refill when not in use is solved, thus achieving pen refill protection and writing stability, and improving usage efficiency.
Patent Information
- Application Number
- CN202423249142.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing three-point support ballpoint pens cannot protect the pen tip when not in use, making the pen tip susceptible to damage from drops, thus reducing efficiency.
A non-drip pen was designed, comprising a pen cap, a rotating cap, a telescopic mechanism, a support component, and an elastic mechanism. The extension and retraction of the pen tip is controlled by rotating the cap, and the spring provides appropriate resistance and support to protect the pen tip and maintain writing stability.
It effectively protects the pen refill from damage, reduces the number of replacements, improves efficiency, and maintains writing stability.
Smart Images
Figure CN223590437U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a neutral pen, in particular to a break-proof ink neutral pen based on three-point support type nib. BACKGROUND
[0002] Three-point support type neutral pen is a writing tool adopting special nib design, which significantly improves the fluency and stability of writing. Pilot company is one of the brands that first introduced this technology, and its iconic V5 series neutral pen is based on this design, which fixes the ball by punching three grooves on the nib, ensuring the stability of the ball and the uniformity of ink output.
[0003] The existing three-point support type neutral pen cannot protect the nib of the three-point support type neutral pen when not in use, and the three-point support type neutral pen can easily damage the refill when falling to the ground, so the refill needs to be replaced, reducing the use efficiency of the three-point support type neutral pen. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem that the three-point support type neutral pen in the prior art cannot protect the nib of the three-point support type neutral pen when not in use, and the three-point support type neutral pen can easily damage the refill when falling to the ground, so the refill needs to be replaced, reducing the use efficiency of the three-point support type neutral pen.
[0005] The technical scheme of the utility model: the break-proof ink neutral pen based on three-point support type nib, including the pen tube,
[0006] The pen sleeve is screw connected to the inner surface of the pen tube, and the circumferential surface of the pen tube is rotationally connected with the rotating cap.
[0007] The telescopic mechanism comprises:
[0008] The outer tube is rotationally connected to the inner surface of the pen tube, and the upper end of the outer tube is fixedly connected with the lower end of the rotating cap, and the inner surface of the outer tube is screw connected with the inner tube.
[0009] The limiting seat is fixedly connected to the inner surface of the inner tube, and the inner surface of the limiting seat is slidingly connected with the three-point support type refill.
[0010] The supporting assembly is arranged in the pen tube and connected with the three-point support type refill.
[0011] In the aforementioned break-proof neutral pen based on the three-point supporting pen tip, the supporting assembly comprises a fixed seat fixedly connected to the inner surface of the pen tube, and the circumferential surface of the three-point supporting pen core is sleeved with a first spring, and the lower end of the first spring is fixedly connected to the inner surface of the fixed seat.
[0012] In the aforementioned break-proof neutral pen based on the three-point supporting pen tip, the outer surface of the pen tube is slidingly connected with a pen cap, and the inner surface of the pen cap is provided with a hook.
[0013] In the aforementioned break-proof neutral pen based on the three-point supporting pen tip, the outer surface of the pen tube is sleeved with a rubber sleeve, and the outer surface of the rubber sleeve is provided with anti-skid lines.
[0014] In the aforementioned break-proof neutral pen based on the three-point supporting pen tip, the elastic mechanism comprises:
[0015] a sliding tube fixedly connected to the inner surface of the outer tube, and the inner surface of the sliding tube is provided with a second spring;
[0016] a pressing seat slidingly connected to the inner surface of the sliding tube, and the lower end of the pressing seat is fixedly connected with a sliding rod, and the lower end of the sliding rod is fixedly connected to the upper end of the inner tube.
[0017] In the aforementioned break-proof neutral pen based on the three-point supporting pen tip, the inner surface of the mounting seat is fixedly connected with a soft pad.
[0018] In the aforementioned break-proof neutral pen based on the three-point supporting pen tip, the inner surface of the mounting seat is fixedly connected with a soft pad.
[0019] Compared with the prior art, the utility model discloses a rotating rotating cap, and the outer tube is driven to rotate simultaneously, so that the inner tube in the outer tube moves up and down, thereby realizing the function that the pen tip is stretched out or retracted, when the three-point supporting pen core passes through the fixed seat and is wrapped with the first spring around it, proper resistance and support force are given to the pen core in the sliding process, so that the pen core can slide freely and also can maintain a certain tension, the pen tip of the three-point supporting neutral pen is retracted and protected when not in use, damage to the pen core caused by falling to the ground is avoided, the number of replacement of the pen core is reduced, and the use efficiency of the three-point supporting neutral pen is improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 isometric view of the present application;
[0021] Figure 2 isometric view of the present application;
[0022] Figure 3 isometric view of the present application;
[0023] Figure 4 isometric view of the present application;
[0024] In the figure: 1, pen tube; 2, rubber sleeve; 3, pen sleeve; 4, pen cap; 5, hook; 6, fixed seat; 7, first spring; 8, outer tube; 9, inner tube; 10, limiting seat; 11, three-point supporting type refill; 12, rotating cap; 13, mounting seat; 14, soft pad; 15, sliding tube; 16, second spring; 17, extrusion seat; 18, sliding rod. DETAILED DESCRIPTION
[0025] The present application will be further described below in conjunction with the drawings and examples, but it is not as a basis for limiting the present application.
[0026] Example. The anti-break ink neutral pen based on three-point supporting type nib, constitutes as shown in Figures 1-4 , comprising:
[0027] pen tube 1;
[0028] pen sleeve 3, the pen sleeve 3 is threadedly connected to the inner surface of the pen tube 1, and the circumferential surface of the pen tube 1 is rotatably connected with the rotating cap 12;
[0029] expansion mechanism, the expansion mechanism comprises:
[0030] outer tube 8, the outer tube 8 is rotatably connected to the inner surface of the pen tube 1, the upper end of the outer tube 8 is fixedly connected with the lower end of the rotating cap 12, and the inner surface of the outer tube 8 is threadedly connected with the inner tube 9;
[0031] limiting seat 10, the limiting seat 10 is fixedly connected to the inner surface of the inner tube 9, and the inner surface of the limiting seat 10 is slidably connected with the three-point supporting type refill 11; and
[0032] support assembly, the support assembly is arranged in the pen tube 1 and connected with the three-point supporting type refill 11 to realize the supporting effect of the sliding three-point supporting type refill 11.
[0033] In the specific embodiment of the utility model, the pen tube 1 is the main structural member of the whole neutral pen, carries all internal components and provides necessary protection, the pen cover 3 is screw connected to the inner surface of the pen tube 1, plays the role of closing and protecting the pen core, the rotating cap 12 is located on the circumferential surface of the pen tube 1, is used for controlling the operation of the telescopic mechanism, by rotating the rotating cap 12, the user can easily make the inner tube 9 in the outer tube 8 move up and down, thereby realizing the function that the pen point is extended or retracted, the outer tube 8 is connected with the rotating cap 12, and the inner tube 9 is screw mounted inside the outer tube 8, the limiting seat 10 is fixed at the end of the inner tube 9 and is used for installing and limiting the three-point supporting type pen core 11, avoids the position inclination of the three-point supporting type pen core 11 during use, the fixing seat 6 is directly installed inside the pen tube 1, when the three-point supporting type pen core 11 passes through this fixing seat 6 and is wrapped with the first spring 7 around, proper resistance and support force are given during the sliding of the pen core, so that the pen core can freely slide and also can maintain certain tension, avoids the instability of writing due to excessive relaxation, the three-point supporting type neutral pen is contracted and protected when not being used, avoids the damage of the three-point supporting type neutral pen falling to the ground to the pen core, reduces the replacement frequency of the pen core, and improves the use efficiency of the three-point supporting type neutral pen.
[0034] For details, please refer to Figure 2 The support assembly comprises:
[0035] The fixing seat 6 is fixedly connected to the inner surface of the pen tube 1, and the circumferential surface of the three-point supporting type pen core 11 is sleeved with the first spring 7, and the lower end of the first spring 7 is fixedly connected to the inner surface of the fixing seat 6.
[0036] In the embodiment, the fixing seat 6 is installed inside the pen tube 1, when the three-point supporting type pen core 11 passes through this fixing seat 6, the first spring 7 is wrapped around, proper resistance and support force are given during the sliding of the pen core, so that the pen core can freely slide and also can maintain certain tension, avoids the instability of writing due to excessive relaxation, and the spring can also help to absorb external impact and reduce damage to the pen core.
[0037] For details, please refer to Figure 4 The outer surface of the pen tube 1 is slidably connected with the pen cap 4, and the inner surface of the pen cap 4 is provided with the hook 5.
[0038] In the embodiment, the pen cap 4 is slidably connected on the outer surface of the pen tube 1, and is mainly used to cover the pen point, prevent the ink from being exposed to the air and rapidly evaporated and dried, and the hook 5 is arranged on the inner side of the pen cap 4 and can be hung on the edge of a clothes pocket or other places when not being used, so as to be convenient to carry.
[0039] For details, please refer to Figure 3The outer surface of the pen tube 1 is sleeved with a rubber sleeve 2, and the outer surface of the rubber sleeve 2 is provided with anti-skid lines.
[0040] In this embodiment, the rubber sleeve 2 is sleeved on the outer surface of the pen tube 1, and the surface is provided with anti-skid lines, which enhances the comfort and friction when holding, reduces the probability of affecting writing due to hand sweat, and further reduces the damage to the pen body caused by falling.
[0041] For details, please refer to Figure 4 Further comprising an elastic mechanism, the elastic mechanism comprises:
[0042] The sliding tube 15 is fixedly connected to the inner surface of the outer tube 8, and the inner surface of the sliding tube 15 is provided with the second spring 16;
[0043] The extrusion seat 17 is slidingly connected to the inner surface of the sliding tube 15, and the lower end of the extrusion seat 17 is fixedly connected with the sliding rod 18, and the lower end of the sliding rod 18 is fixedly connected with the upper end of the inner tube 9.
[0044] In this embodiment, when the user rotates the rotating cap 12 to drive the inner tube 9 to slide downward, the length of the second spring 16 is stretched under the action of the elastic force, thereby pushing the extrusion seat 17 to slide downward in the sliding tube 15, and then pushing the sliding rod 18 and the inner tube 9 to slide downward under the action of the force, when giving appropriate resistance and support during the sliding of the pen core, the pen core can slide freely and maintain a certain tension, avoiding unstable writing due to excessive relaxation.
[0045] For details, please refer to Figure 3 The inner surface of the cap 4 is fixedly connected with the mounting seat 13, and the outer surface of the mounting seat 13 is concave.
[0046] In this embodiment, the mounting seat 13 is fixed to the inner side of the cap 4 and has a concave shape, which is designed to accommodate and fix the soft pad 14. The existence of the mounting seat 13 ensures that the soft pad 14 cannot be easily displaced, thereby maintaining good sealing effect.
[0047] For details, please refer to Figure 3 The inner surface of the mounting seat 13 is fixedly connected with the soft pad 14.
[0048] In this embodiment, the soft pad 14 is fixed in the mounting seat 13 and is usually made of soft and elastic material. The main function is to fill the gap between the cap 4 and the pen tip, form a tight sealing environment, effectively prevent external air from entering, and delay the drying speed of the ink. At the same time, the soft pad 14 can also slightly buffer the pressure received by the pen tip, protecting the pen tip from unnecessary wear and tear.
[0049] The utility model discloses a working principle and use flow: first through the rotation rotating cap 12, drive outer tube 8 follow rotation simultaneously, thereby make the inside tube 9 in outer tube 8 go up and down and remove, thereby realize the function of pen point to stretch out or retract, when three point support formula refill 11 passes this fixed base 6, and is wrapped around first spring 7 at its around, give proper resistance and support force in the process of refill sliding, make the refill both can slide freely and can keep certain tension, when user rotates rotating cap 12 and drives inside tube 9 to slide down, according to the elasticity of second spring 16 under the action of length extension, thereby push extrusion seat 17 in the inside country slide of sliding pipe 15, then push sliding rod 18 and inside tube 9 together to slide down under the action of force, when give proper resistance and support force in the process of refill sliding, make the refill both can slide freely and can keep certain tension.
Claims
1. A non-bleeding ballpoint pen based on a three-point support nib, characterized in that: The utility model relates to a pen, which comprises a pen tube (1) and a pen sleeve (3) threadedly connected to the inner surface of the pen tube (1). The outer surface of the pen tube (1) is slidably connected with a pen cap (4), and the inner surface of the pen cap (4) is provided with a hook (5). The outer surface of the pen tube (1) is sleeved with a rubber sleeve (2), and the outer surface of the rubber sleeve (2) is provided with anti-skid lines. The utility model also comprises an elastic mechanism, which comprises: A sliding tube (15) is fixedly connected to the inner surface of the outer tube (8), and the inner surface of the sliding tube (15) is provided with a second spring (16). A pressing seat (17) is slidably connected to the inner surface of the sliding tube (15), and the lower end of the pressing seat (17) is fixedly connected with a sliding rod (18), and the lower end of the sliding rod (18) is fixedly connected with the upper end of the inner tube (9).
2. The three-point bearing based pen tip breakage prevention ballpoint pen according to claim 1, characterized in that: The inner surface of the mounting seat (13) is fixedly connected with a soft pad (14).
3. The three-point bearing based pen tip breakage prevention ballpoint pen according to claim 2, characterized in that: The inner surface of the mounting seat (13) is fixedly connected with a soft pad (14).
4. The three-point bearing based pen tip breakage prevention ballpoint pen according to claim 3, characterized in that: 5. The three-point bearing based pen tip breakage prevention ballpoint pen according to claim 4, characterized by 6. The three-point bearing based pen tip breakage prevention ballpoint pen according to claim 5, characterized in that: 7. The three-point bearing based pen tip breakage prevention ballpoint pen according to claim 6, characterized in that: