Triangular gel pen structure
By designing the structure of the triangular pen holder, the internal radial limit area and cushioning block, the problem of poor grip comfort in existing neutral pens is solved, and higher grip comfort and refill protection effect are achieved.
Patent Information
- Application Number
- CN202420256758.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-02
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-02-02
AI Technical Summary
The existing neutral pens are mostly cylindrical, which has poor grip comfort.
A triangular neutral pen structure is designed. The cross-sectional shape of the pen holder is triangle, with a refill core and a driving handle inside. One end of the pen holder can be detachedly connected with a pen head cover. A radial limiting area and a buffer pad are provided in the pen holding area to improve the comfort of the pen holding through the arc-shaped surface transition.
Through the design of the triangular pen holder, it conforms to the engineering structure of the human hand grasping pen, improving grip comfort; the coordination of the radial limit area and the cushion block protects the refill core and improves the stability and comfort of the pen.
Smart Images

Figure CN222554611U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to gel pens, in particular to a triangular gel pen structure. Background Art
[0002] Gel pen, short for gel ink ballpoint pen, is a popular writing tool. It has the advantages of both fountain pen and oily ballpoint pen. It has a comfortable writing feel, low ink viscosity, and appropriate lubricant is added. The viscosity of the writing medium is between water-based and oily. Therefore, it is smoother than ordinary oily ballpoint pen and is an upgraded product of oily ballpoint pen.
[0003] The pen holders of existing gel pens are mostly cylindrical, which does not conform to the engineering structure of a human hand when holding a pen, and the grip comfort is poor. Utility Model Content
[0004] The utility model aims to overcome the disadvantage of poor gripping comfort of gel pens in the prior art and provides a triangular gel pen structure which is beneficial to improving gripping comfort.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A triangular gel pen structure comprises a hollow pen holder, the cross-section of the pen holder is triangular, a pen core is arranged inside the pen holder, a pen holding area is arranged on the outer side wall at one end of the pen holder, the inner diameter of the pen holder corresponding to the pen holding area is smaller than the inner diameter of the other end of the pen holder, a radial limiting area matching the pen core is formed inside the pen holder corresponding to the pen holding area, one end of the pen holder is detachably connected to a pen head cover, the other end of the pen holder is provided with a driving handle, one end of the pen core passes through the radial limiting area and is elastically connected to the pen head cover, and the other end of the pen core is detachably connected to the driving handle.
[0007] The cross-sectional shape of the pen barrel is triangular, a refill is arranged inside the pen barrel, a gripping area is arranged on the outer side wall of one end of the pen barrel, the inner diameter of the pen barrel corresponding to the gripping area is smaller than the inner diameter of the other end of the pen barrel, a radial limiting area matching the refill is formed inside the pen barrel corresponding to the gripping area, one end of the pen barrel is detachably connected to a nib cover, the other end of the pen barrel is provided with a driving handle, one end of the refill passes through the radial limiting area and is elastically connected to the nib cover, and the other end of the refill is detachably connected to the driving handle. The cross-sectional shape of the pen barrel is triangular, which conforms to the engineering structure when a person grasps a pen, and achieves the purpose of facilitating the improvement of grip comfort; the refill is elastically extended and retracted with the nib cover under the action of the driving handle, and in this process, the radial limiting area plays a radial limiting role for the refill, which is conducive to the refill being able to smoothly extend out of the nib cover under the action of the driving handle, and plays a better protective role for the refill.
[0008] Preferably, the pen holding area is provided with an annular mounting groove, a buffer block matching the same is provided in the mounting groove, the buffer block is sleeved in the mounting groove, a positioning protrusion is fixed in the mounting groove, and a positioning hole matching the positioning protrusion is provided on the buffer block. The matching of the positioning protrusion and the positioning hole is conducive to the rapid positioning of the buffer block assembly, and at the same time prevents the buffer block from being offset during use, thereby improving the stability of the connection structure; the buffer block is convenient for ensuring the comfort when holding the pen.
[0009] Preferably, the thickness of the buffer block is the same as the depth of the installation groove and the thickness of the positioning protrusion, which is conducive to ensuring the flatness of the surface of the pen holding area, which is conducive to aesthetics and further improves the comfort of holding the pen.
[0010] Preferably, the outer wall at one end of the pen holder is provided with three planes 1 evenly arranged along its circumference, and the outer wall at the other end of the pen holder is provided with three planes 2 evenly arranged along its circumference, and each adjacent two planes 1 and each adjacent two planes 2 are evenly transitioned through arcuate surfaces, and the arcuate surfaces between each adjacent two planes 1 are respectively connected and transitioned with the three planes 2, and the arcuate surfaces between each adjacent two planes 2 are respectively connected and transitioned with the three planes 1. Transitioning through arcuate surfaces is not only good for aesthetics, but also further improves the comfort of holding the pen when writing, and conforms to the engineering structure of the human hand when holding the pen.
[0011] Preferably, one end of the pen cap is threadedly connected to the pen holder, and the other end of the pen cap is provided with a pen outlet hole matching the pen core, and the pen outlet hole is connected to the inside of the pen holder. The design of the pen cap facilitates the installation and removal of the pen core.
[0012] Preferably, a spring is sleeved on one end of the pen core, a step surface in contact with the spring is provided in the pen head cover, one end of the spring is limited on the pen core, and the other end of the spring is limited on the step surface, and the pen core is elastically connected to the pen head cover through the spring. The pen core is extended and retracted through the spring when driving the handle, which plays a better protective role.
[0013] The beneficial effects of the utility model are as follows: the cross-sectional shape of the pen shaft is triangular, which conforms to the engineering structure when a person holds a pen, and achieves the purpose of improving the comfort of holding; the radial limiting area plays a radial limiting role for the pen core, which is conducive to the pen core being able to smoothly extend out of the pen head cover under the action of the driving handle, and plays a better protective role for the pen core; the matching of the positioning protrusion and the positioning hole is conducive to the rapid positioning of the buffer pad assembly, and at the same time prevents the buffer pad from positional displacement during use, thereby improving the stability of the connection structure; the buffer pad is convenient for ensuring the comfort of holding the pen; the transition through the arc surface is not only conducive to aesthetics, but also further improves the comfort of holding the pen when writing, and conforms to the engineering structure when a person holds the pen. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model;
[0015] Figure 2 It is the front view of the utility model;
[0016] Figure 3 yes Figure 2 Cross-sectional view of BB.
[0017] In the figure: 1. pen barrel, 2. pen core, 3. pen holding area, 4. radial limiting area, 5. pen head cover, 6. driving handle, 7. mounting groove, 8. buffer block, 9. positioning protrusion, 10. positioning hole, 11. plane 1, 12. plane 2, 13. arc surface, 14. pen outlet hole, 15. spring, 16. step surface. DETAILED DESCRIPTION
[0018] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0019] like Figure 1 , Figure 2 and Figure 3 In the described embodiment, a triangular gel pen structure is provided, which includes a hollow pen barrel 1, the cross-sectional shape of the pen barrel 1 is triangular, a refill 2 is arranged inside the pen barrel 1, a pen holding area 3 is arranged on the outer side wall of one end of the pen barrel 1, the inner diameter of the pen barrel 1 corresponding to the pen holding area 3 is smaller than the inner diameter of the other end of the pen barrel 1, a radial limiting area 4 matching the refill 2 is formed inside the pen barrel 1 corresponding to the pen holding area 3, one end of the pen barrel 1 is detachably connected to a pen tip cover 5, the other end of the pen barrel 1 is provided with a driving handle 6, one end of the refill 2 passes through the radial limiting area 4 and is elastically connected to the pen tip cover 5, and the other end of the refill 2 is detachably connected to the driving handle 6.
[0020] The pen holding area 3 is provided with an annular mounting groove 7, and a buffer pad 8 matching therewith is provided in the mounting groove 7. The buffer pad 8 is sleeved in the mounting groove 7, and a positioning protrusion 9 is fixed in the mounting groove 7. The buffer pad 8 is provided with a positioning hole 10 matching the positioning protrusion 9. The thickness of the buffer pad 8 is the same as the depth of the mounting groove 7 and the thickness of the positioning protrusion 9, respectively.
[0021] Three planes 11 evenly arranged along the circumference are provided on the outer wall of one end of the pen shaft 1, and three planes 2 12 evenly arranged along the circumference are provided on the outer wall of the other end of the pen shaft 1. Every two adjacent planes 11 and every two adjacent planes 2 12 are evenly transitioned through an arcuate surface 13. The arcuate surface 13 between every two adjacent planes 11 is connected and transitioned with the three planes 2 12 respectively, and the arcuate surface 13 between every two adjacent planes 2 12 is connected and transitioned with the three planes 11 respectively.
[0022] One end of the pen cover 5 is threadedly connected to the pen holder 1 , and the other end of the pen cover 5 is provided with a pen outlet hole 14 matching the pen core 2 , and the pen outlet hole 14 is communicated with the inside of the pen holder 1 .
[0023] A spring 15 is sleeved on one end of the pen core 2, and a step surface 16 in contact with the spring 15 is provided in the pen tip cover 5. One end of the spring 15 is limited on the pen core 2, and the other end of the spring 15 is limited on the step surface 16. The pen core 2 is elastically connected to the pen tip cover 5 through the spring 15.
[0024] The cross-sectional shape of the pen shaft 1 is triangular, which conforms to the engineering structure when a person grasps the pen, and achieves the purpose of improving the comfort of grasping; the pen core 2 elastically expands and contracts with the pen head cover 5 under the action of the driving handle 6. During this process, the radial limiting area 4 plays a radial limiting role for the pen core 2, which is beneficial for the pen core 2 to be able to extend smoothly out of the pen head cover 5 under the action of the driving handle 6, and plays a better protective role for the pen core 2.
[0025] The matching of the positioning protrusion 9 and the positioning hole 10 is conducive to the rapid positioning of the buffer block 8 during assembly, while preventing the buffer block 8 from positional displacement during use, thereby improving the stability of the connection structure; the buffer block 8 is convenient for ensuring comfort when holding a pen.
Claims
1. A triangular gel pen structure, characterized in that: The invention comprises a hollow pen shaft (1), wherein the cross-section of the pen shaft (1) is triangular, a pen core (2) is arranged inside the pen shaft (1), a pen holding area (3) is arranged on the outer wall of one end of the pen shaft (1), the inner diameter of the pen shaft (1) corresponding to the pen holding area (3) is smaller than the inner diameter of the other end of the pen shaft (1), a radial limiting area (4) matching the pen core (2) is formed inside the pen shaft (1) corresponding to the pen holding area (3), one end of the pen shaft (1) is detachably connected to a pen head cover (5), the other end of the pen shaft (1) is provided with a driving handle (6), one end of the pen core (2) passes through the radial limiting area (4) and is elastically connected to the pen head cover (5), and the other end of the pen core (2) is detachably connected to the driving handle (6).
2. A triangular gel pen structure according to claim 1, characterized in that: The pen holding area (3) is provided with an annular mounting groove (7), a buffer pad (8) matching the mounting groove (7) is provided in the mounting groove (7), the buffer pad (8) is sleeved in the mounting groove (7), a positioning protrusion (9) is fixed in the mounting groove (7), and a positioning hole (10) matching the positioning protrusion (9) is provided on the buffer pad (8).
3. A triangular gel pen structure according to claim 2, characterized in that: The thickness of the buffer pad (8) is respectively the same as the depth of the mounting groove (7) and the thickness of the positioning protrusion (9).
4. A triangular gel pen structure according to claim 1, 2 or 3, characterized in that: The outer wall at one end of the pen holder (1) is provided with three planes 1 (11) evenly arranged along its circumference, and the outer wall at the other end of the pen holder (1) is provided with three planes 2 (12) evenly arranged along its circumference. Each adjacent two planes 1 (11) and each adjacent two planes 2 (12) are evenly transitioned through an arcuate surface (13). The arcuate surface (13) between each adjacent two planes 1 (11) is connected and transitioned with the three planes 2 (12) respectively, and the arcuate surface (13) between each adjacent two planes 2 (12) is connected and transitioned with the three planes 1 (11) respectively.
5. A triangular gel pen structure according to claim 1, 2 or 3, characterized in that: One end of the pen cover (5) is threadedly connected to the pen holder (1), and the other end of the pen cover (5) is provided with a pen outlet hole (14) matching the pen core (2), and the pen outlet hole (14) is communicated with the inside of the pen holder (1).
6. A triangular gel pen structure according to claim 1, 2 or 3, characterized in that: A spring (15) is sleeved on one end of the pen core (2), and a step surface (16) in contact with the spring (15) is provided inside the pen head cover (5). One end of the spring (15) is limited on the pen core (2), and the other end of the spring (15) is limited on the step surface (16). The pen core (2) is elastically connected to the pen head cover (5) via the spring (15).