Short pen structure with universal refill
By employing a rotation drive and a minimalist, fitted design, the problem of incompatibility between mini pen refills and regular pen refills is solved, achieving both versatility and convenience for the mini pen.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-04-07
AI Technical Summary
The existing mini pen refills are not compatible with regular pen refills, which limits the use of mini pens.
Employing a rotating drive and a minimalist, close-fitting structural design, including components such as a passive rotating rod, a vertical moving rod, and a stop ring, it ensures that the pen refill fits snugly into the pen cap and body without increasing the overall length of the pen.
It achieves compatibility between mini and regular pen refills, reduces pen length, avoids the problem of pen refills accidentally protruding in confined spaces, and improves ease of use.
Smart Images
Figure CN224089935U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to short pen technical field, more specifically, it relates to a short pen structure of universal refill. BACKGROUND
[0002] Short pen is also called mini pen, and it is a kind of small writing tool, and it is widely welcomed due to the characteristics of small and portable, and mini pen includes various types, such as mini neutral pen, mini crayon and the like.
[0003] The deficiency is that due to the overall length of mini pen is low, so that the mini refill and the conventional refill cannot be universal. INVENTION CONTENTS
[0004] In order to solve the problem that the conventional refill cannot be used for the mini refill, the utility model aims at providing a short pen structure of universal refill, by adopting the driving of rotation and the structure of extremely simple and fitting, so that the mini pen can adopt the universal refill.
[0005] The above technical purpose of the utility model is realized by the following technical scheme: a short pen structure of universal refill, including pen cap, pen body, pen grip, rebound spring and refill, the pen cap and the pen body are embedded by two ends of passive rotating rod respectively, the passive rotating rod is composed of first curved surface and first top surface, and the first cavity is arranged in the inside, the vertical moving rod is arranged in the lower part of the first cavity, the vertical moving rod includes second top surface, second curved surface and third curved surface, and the second cavity is arranged in the inside, the second top surface can be fitted with the first top surface, the second curved surface can be completely embedded in the first cavity, the refill is inserted in the second cavity, and the top end of the refill is fitted with the second top surface.
[0006] Preferably, the passive rotating rod further includes a stop ring, the upper part of the stop ring is fitted with the bottom of the pen cap, and the lower part of the stop ring is fitted with the top of the pen body.
[0007] Preferably, the lower part of the first curved surface is provided with a rotating arc surface and a stop platform, the second curved surface is provided with a stop protrusion flush with the third curved surface, and the stop protrusion cooperates with the rotating arc surface and the stop platform.
[0008] Preferably, the inner side of the pen tip is provided with a refill stop.
[0009] Preferably, the inner side of the pen body is provided with a rotation stop strip, and the third curved surface is provided with a rotation stop groove matched with the rotation stop strip.
[0010] In this invention, the passive rotating rod has its two ends embedded in the pen cap and the pen body, reducing its length. The second top surface of the vertical moving rod is in contact with the first top surface, so it hardly increases the overall length of the pen. The top of the pen refill is in contact with the second top surface, so it also hardly increases the overall length of the pen. Therefore, the passive rotating rod and the vertical moving rod hardly occupy the overall length space of the pen, allowing conventional pen refills to be used in this invention.
[0011] In summary, this utility model has the following beneficial effects:
[0012] Firstly, the stop ring is used to fix the position of the passive rotating rod, and the increase in the overall length of the pen by this part of the passive rotating rod is only the width of the stop ring;
[0013] Secondly, the combined use of the rotating arc surface, the stop platform, and the stop protrusion ensures that the pen-dispensing method of this utility model product is rotating. Compared with the existing press-type writing pens on the market, on the one hand, the pen length is reduced, and on the other hand, since short pens are often placed in small spaces, such as bags, press-type writing pens have the problem of accidentally pressing and causing the pen tip to come out, while rotating effectively avoids this kind of sudden situation.
[0014] Thirdly, the combined use of the anti-rotation strip and the anti-rotation groove ensures that the vertical moving rod can only move in the vertical direction. Attached Figure Description
[0015] Figure 1 This is a disassembly diagram of the present invention;
[0016] Figure 2 for Figure 1 The main perspective view showing the disassembly of the state;
[0017] Figure 3 for Figure 2 A magnified view of part A in the image;
[0018] Figure 4 A disassembled main perspective view of the pen tip in working condition;
[0019] Figure 5 for Figure 4 A magnified view of part B in the image;
[0020] Figure 6 This is the front view of the present utility model;
[0021] Figure 7 for Figure 6 Cross-sectional view of CC in China;
[0022] Figure 8 for Figure 7 A partial view of D;
[0023] In the diagram: 1. Pen cap; 2. Pen body; 3. Pen grip; 4. Pen refill; 5. Passive rotating lever; 501. First curved surface; 501-1. Rotating arc surface; 501-2. Stop platform; 502. First top surface; 503. Stop ring; 6. Vertical moving lever; 601. Second top surface; 602. Second curved surface; 602-1. Stop protrusion; 603. Third curved surface; 7. Pen refill stop. Detailed Implementation
[0024] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0025] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "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 are not intended to indicate or explicitly state 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.
[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or explicitly suggesting 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, unless otherwise explicitly specified.
[0027] 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, an electrical connection, or a connection that allows communication between them; 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.
[0028] See details Figures 1-8A short pen structure with a universal refill 4 includes a pen cap 1, a pen body 2, a pen grip 3, a spring, and a refill 4. The pen cap 1 and the pen body 2 are respectively embedded at both ends of a passive rotating rod 5. The passive rotating rod 5 is composed of a first curved surface 501 and a first top surface 502, and has a first cavity inside. A vertical moving rod 6 is provided in the lower part of the first cavity. The vertical moving rod 6 includes a second top surface 601, a second curved surface 602, and a third curved surface 603, and has a second cavity inside. The second top surface 601 can fit with the first top surface 502, and the second curved surface 602 can be completely embedded in the first cavity. The pen refill 4 is inserted in the second cavity, and the top of the pen refill 4 fits with the second top surface 601.
[0029] Specifically, the passive rotating lever 5 also includes a stop ring 503, the upper part of which fits against the bottom of the pen cap 1, and the lower part of which fits against the top of the pen body 2.
[0030] Specifically, the lower part of the first curved surface 501 is provided with a rotating arc surface 501-1 and a stop platform 501-2, and the second curved surface 602 is provided with a stop protrusion 602-1 that is flush with the third curved surface 603. The stop protrusion 602-1 cooperates with the rotating arc surface 501-1 and the stop platform 501-2.
[0031] Specifically, a refill stop 7 is provided on the inside of the pen tip.
[0032] An anti-rotation strip is provided on the inner side of the pen body 2, and an anti-rotation groove that cooperates with the anti-rotation strip is provided on the third curved surface 603.
[0033] In this invention, the passive rotating rod 5 has its two ends embedded in the pen cap 1 and the pen body 2, thus reducing its length. The second top surface 601 of the vertical moving rod 6 is in contact with the first top surface 502, so it hardly increases the overall length of the pen. The top of the pen refill 4 is in contact with the second top surface 601, so it also hardly increases the overall length of the pen. Therefore, the passive rotating rod 5 and the vertical moving rod 6 hardly occupy the overall length space of the pen, so that the conventional pen refill 4 can be used in this invention.
[0034] Among them, the stop ring 503 is used to fix the position of the passive rotating rod 5, and the increase in the overall length of the passive rotating rod component is only the width of the stop ring 503.
[0035] Secondly, the combined use of the rotating arc surface 501-1, the stop platform 501-2, and the stop protrusion 602-1 ensures that the pen-out method of this utility model product is rotation. Compared with the existing press-type writing pens on the market, on the one hand, the pen length is reduced, and on the other hand, since short pens are often placed in small spaces, such as bags, press-type writing pens have the problem of accidentally pressing and causing the pen tip to come out, while rotation effectively avoids this kind of sudden situation.
[0036] Thirdly, the combined use of the anti-rotation strip and the anti-rotation groove ensures that the vertical moving rod 6 can only move in the vertical direction.
[0037] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A short pen structure with universal refill, comprising a pen cap, pen body, pen grip, spring, and refill, characterized in that, The pen cap and the pen body are respectively embedded at both ends of a passive rotating rod. The passive rotating rod is composed of a first curved surface and a first top surface, and has a first cavity inside. A vertical moving rod is provided in the lower part of the first cavity. The vertical moving rod includes a second top surface, a second curved surface and a third curved surface, and has a second cavity inside. The second top surface can fit against the first top surface, and the second curved surface can be completely embedded in the first cavity. The pen refill is inserted into the second cavity, and the top end of the pen refill fits against the second top surface.
2. The short pen structure with universal refill as described in claim 1, characterized in that, The passive rotating rod also includes a stop ring, the upper part of which fits against the bottom of the pen cap, and the lower part of which fits against the top of the pen body.
3. The short pen structure with universal refill as described in claim 2, characterized in that, The lower part of the first curved surface is provided with a rotating arc surface and a stop platform, and the second curved surface is provided with a stop protrusion flush with the third curved surface. The stop protrusion cooperates with the rotating arc surface and the stop platform.
4. The short pen structure with universal refill as described in claim 1, characterized in that, An anti-rotation strip is provided on the inner side of the pen body, and an anti-rotation groove that cooperates with the anti-rotation strip is provided on the third curved surface.