Rotary pen

Abstract

The rotary pen is characterized in that the rotary pen comprises a pen tube, a refill and a pen cap module, the refill is provided with a pen point, one end of the pen tube is conical so that the refill can be embedded in the pen tube, and the pen point can penetrate through the conical end and is exposed out of the pen tube; the pen cap module is of an inner and outer ring structure, the inner and outer ring structure comprises an inner ring layer and an outer ring layer, the inner ring layer can be arranged at the conical end in a sleeving mode so that the inner ring layer and the pen tube can form packaging of the refill, and the outer ring layer can be arranged on the inner ring layer in a sleeving mode in the mode that the outer ring layer can rotate in the axial direction of the inner ring layer.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of teaching aids, in particular to a rotating pen. BACKGROUND

[0002] In the technical field of stationery, the rotating pen as a new type of writing tool has occupied a certain share in the market due to its writing and playing functions. However, the existing rotating pen has many technical problems in design and structure, which limits its performance improvement and application expansion.

[0003] In terms of compact structure, the component assembly technology of the traditional rotating pen has defects, and the connection mode of each component leads to loose combination, which fails to realize efficient space utilization, resulting in a large product volume. With the increasing demand for portable stationery in the mobile office and mobile learning scenarios, such a large volume does not meet the current technical requirements for portability, limiting its technical adaptability and application range in more scenarios.

[0004] In terms of rotation performance, the rotation components and overall structure of some rotating pens lack precise coordination in design and manufacturing process. During the rotation operation, due to technical factors such as component cooperation tolerance, it is easy to appear stuck, shaking and other conditions. These problems affect the mechanical smoothness and stability of the rotation action, and reduce the technical indicators and practicality of the rotating pen as a playing function stationery.

[0005] In terms of lead protection technology, the current cap design of some rotating pens fails to fully consider the effective protection of the lead and the nib (21). During daily use, placement and carrying, the nib (21) is easily subjected to collision and wear due to the lack of sufficient physical protection structure and buffer design. The damaged nib (21) will change the ink flow characteristics and the friction coefficient of the nib (21) contact surface during writing, thereby affecting the smoothness and uniformity of the writing lines, shortening the service life of the lead and reducing the overall technical reliability of the product. CONTENT OF THE INVENTION

[0006] The purpose of the present application is to provide a rotating pen to overcome or alleviate the above technical problems in the prior art.

[0007] In order to achieve the above purpose, the present application provides the following technical solutions:

[0008] A rotating pen comprises a pen tube, a pen core, and a pen cap module, the pen core has a pen nib, one end of the pen tube is tapered to embed the pen core in the pen tube, and the pen nib can pass through the tapered end and be exposed outside the pen tube, the pen cap module is an inner and outer ring structure, the inner and outer ring structure comprises an inner ring layer and an outer ring layer, the inner ring layer can be sleeved on the tapered end to form an encapsulation of the pen core with the pen tube, and the outer ring layer is sleeved on the inner ring layer in a manner of being axially rotatable along the inner ring layer.

[0009] To this end, in this application, the end of the pen tube is designed to be tapered, which optimizes the embedding of the pen core. The pen core is tightly embedded in the pen tube, greatly improving the space utilization compared to the loose connection of the components of traditional rotating pens. The pen cap module adopts an inner and outer ring structure, the inner ring layer is sleeved on the tapered end of the pen tube, and the pen tube forms a tight whole, further reducing the overall volume of the product, meeting the technical requirements of portability in mobile office and mobile learning scenarios, and enhancing the technical adaptability and application range of the product in various scenarios.

[0010] From the perspective of rotation performance, the outer ring layer can rotate axially along the inner ring layer, which provides a basis for precise cooperation in the manufacturing process. By reasonably controlling the fitting tolerance of the inner and outer ring layers, it can effectively avoid the occurrence of jamming, shaking and other conditions during the rotation operation. Compared with traditional rotating pens, this inner and outer ring axial rotation structure greatly improves the mechanical smoothness and stability of the rotation action, and improves the technical indicators and practicality of the rotating pen as a functional stationery.

[0011] In terms of pen core protection technology, the pen cap module plays a key role. The inner ring layer is sleeved on the tapered end of the pen tube to form an encapsulation of the pen core with the pen tube. This encapsulation provides an effective physical protection structure for the pen core and the pen nib, reducing the probability of the pen nib being collided and worn during daily use, placement and carrying. Compared with the insufficient protection of the cap of traditional rotating pens, this design protects the pen nib by adding a physical protection structure, avoiding the impact of damaged pen nib on the ink flow characteristics and the friction coefficient of the pen nib contact surface, thereby ensuring the smoothness and uniformity of the writing lines, prolonging the service life of the pen core, and improving the overall technical reliability of the product. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings accompanying this application form a part of the specification herein, serve to further understand the application, and together with the description thereof, explain the application, and do not constitute an improper limitation on the application. Among them:

[0013] Figure 1 It is the overall structure schematic diagram of the rotating pen of the embodiment of the present application.

[0014] Figure 2 An exploded structural schematic diagram of a rotating pen according to an embodiment of the present application.

[0015] Figure 3 A sectional structural schematic diagram of a rotating pen according to an embodiment of the present application.

[0016] Figure 4 A schematic diagram of the cooperation between the inner and outer ring structures and the pen tip according to an embodiment of the present application. DETAILED DESCRIPTION

[0017] The present application will be described in detail below with reference to the accompanying drawings and embodiments. Various examples are provided by way of explanation of the present application, but not to limit the present application. It will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the present application. For example, features shown or described as one embodiment can be used in another embodiment to create yet another embodiment. It is, therefore, desired that the present application contain all such modifications and variations as fall within the scope of the appended claims and their equivalents.

[0018] In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the present application, and are not required to be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. The terms "connected", "connected", "provided" used in the present application should be interpreted broadly, for example, can be fixedly connected, or can be connected; can be directly connected, or can be indirectly connected through intermediate components; the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.

[0019] The present application provides a rotating pen, which comprises a pen tube 1, a pen core 2, and a cap module 3, the pen core 2 has a pen tip 21, one end of the pen tube 1 is tapered to embed the pen core 2 in the pen tube 1, and the pen tip 21 can pass through the tapered end and be exposed outside the pen tube 1, the cap module 3 is an inner and outer ring structure, which comprises an inner ring layer 31 and an outer ring layer 32, the inner ring layer 31 can be sleeved on the tapered end to form an encapsulation of the pen core 2 with the pen tube 1, and the outer ring layer 32 is sleeved on the inner ring layer 31 in a manner that can rotate axially along the inner ring layer 31.

[0020] Optionally, the inner ring layer 31 has a straight arm sleeve joint section 311 connected with an inner embedding part 312, the straight arm sleeve joint section 311 has a set elastic deformation to enable the inner ring layer 31 to be sleeved on the one end part in the taper shape by elastic redundancy, and the outer ring layer 32 is sleeved on the inner embedding part 312 in a manner that can be axially rotated along the inner embedding part 312.

[0021] Optionally, a limiting hole 312A is formed in the inner embedding part 312, so that when the refill 2 is embedded in the pen tube 1, the pen point 21 is embedded into the limiting hole 312A and forms an encapsulation of the refill 2 with the pen tube 1.

[0022] Optionally, the outer ring layer 32 includes a first outer ring part 321 sleeved on the one end part in the taper shape and a second outer ring part 322 sleeved on the first outer ring part 321 in a manner that can be axially rotated along the outer ring part, so that the outer ring layer 32 is connected with the inner ring layer 31 and the inner ring layer 31 forms an encapsulation of the refill 2 with the pen tube 1.

[0023] Optionally, an outer wall of the first outer ring part 321 is provided with a guide rail 322B groove 321A, and the second outer ring part 322 is provided with a guide rail 322B, the guide rail 322B and the guide rail 322B groove 321A form a rotation enabling combination, so that the second outer ring part 322 is sleeved on the first outer ring part 321 in a manner that can be axially rotated along the first outer ring part.

[0024] Optionally, the one end part in the taper shape is in a split structure with the body of the pen tube 1, so that the one end part in the taper shape is detachably assembled on the body of the pen tube 1 to embed the refill 2 in the pen tube 1.

[0025] Optionally, an inner cavity of the one end part in the taper shape is provided with a first thread 11A, and an outer wall of a structure on the body of the pen tube 1 that is in butt joint with the one end part in the taper shape is provided with a second thread 11B, the first thread 11A and the first thread 11A form a thread engagement, so that the one end part in the taper shape is detachably assembled on the body of the pen tube 1.

[0026] Optionally, the depth dimension of the structure on the body of the pen tube 1 that is in butt joint with the one end part in the taper shape enables the one end part in the taper shape to limit the refill 2 embedded in the pen tube 1.

[0027] Optionally, a tail plug 4 is installed on the other end part of the pen tube 1.

[0028] Specifically, in an application scenario, the following provides alternative or further complementary or optimized implementation details to enable those of ordinary skill in the art to implement the present application:

[0029] Pen tube and refill assembly optimization: One end of the pen tube 1 is designed as a tapered structure. The taper of this tapered structure needs to be accurately set according to the outer diameter of the refill 2. Generally, the taper range is between 5° - 15°, which can ensure that the refill can be tightly embedded in the pen tube. The pen tip 21 of the refill 2 penetrates the tapered end and is exposed outside the pen tube 1, which greatly reduces unnecessary space occupation caused by unreasonable assembly of components while ensuring normal writing function. Compared with the condition that the loose connection of each component of the traditional rotating pen leads to the large overall volume, this design significantly improves the compactness of the overall structure of the rotating pen, facilitating carrying and use.

[0030] The cap module 3 adopts an innovative inner and outer ring structure. The inner ring layer 31 is composed of a straight arm sleeve joint segment 311 and an embedded part 312. The straight arm sleeve joint segment 311 is made of a material with good elastic deformation ability, such as thermoplastic elastomer TPE, with a Shore hardness between 60A - 80A to ensure sufficient elastic redundancy. When the inner ring layer 31 is sleeved on the tapered end of the pen tube 1, the straight arm sleeve joint segment 311 will elastically deform due to the change of the outer diameter of the tapered end, tightly fit on the surface of the tapered end, and thus form a stable and tight combination with the pen tube 1. The outer ring layer 32 is sleeved on the embedded part 312 of the inner ring layer 31, and the cooperation gap between the outer ring layer 32 and the embedded part 312 should be controlled between 0.1mm - 0.3mm to ensure that the outer ring layer 32 can smoothly rotate along the axial direction of the embedded part 312, while there is no obvious shaking. This inner and outer ring structure design effectively avoids the problem of loose combination of components of traditional rotating pens, greatly reduces the overall volume of the rotating pen, and makes it more suitable for the strict technical requirements of stationery portability in mobile office and mobile learning scenarios, expanding the application range of the product in various scenarios.

[0031] Precise and coordinated rotating structure: The outer ring layer 32 has the function of rotating along the inner ring layer 31 in the axial direction. During the manufacturing process of the inner ring layer 31, the cylindrical error of the inner embedded part 312 should be controlled within ±0.05mm to provide a stable and reliable support structure for the rotation of the outer ring layer 32. Taking the case where the outer ring layer 32 is composed of a first outer ring part 321 and a second outer ring part 322, when the first outer ring part 321 is sleeved on the tapered end of the pen tube 1, the interference fit between the first outer ring part 321 and the tapered end should be controlled between 0.03mm-0.08mm to ensure the firmness of the connection. The second outer ring part 322 forms a rotation enabling combination with the guide groove 321A of the first outer ring part 321 through the guide rail 322B. The cross-sectional shape of the guide rail 322B can be designed as a trapezoidal shape, with the upper base width of 1mm-2mm, the lower base width of 2mm-3mm, and the height of 0.5mm-1mm; the size of the guide groove 321A should be matched with the guide rail 322B to ensure that the fitting gap between them is between 0.05mm-0.15mm. Through such precise structural design and manufacturing tolerance control, the outer ring layer 32 can realize precise axial rotation, effectively avoiding the jamming and shaking problems caused by poor component fit in traditional rotating pens, greatly improving the mechanical smoothness and stability of the rotating action, and significantly improving the technical indicators and actual use performance of the rotating pen as a playing tool.

[0032] Protective design of the cap module: The inner embedded part 312 of the inner ring layer 31 is provided with a limiting hole 312A specially used for protecting the pen tip 21. The inner diameter of the limiting hole 312A should be accurately designed according to the diameter of the pen tip 21, and generally should be 0.05mm-0.1mm larger than the diameter of the pen tip 21 to ensure that the pen tip 21 can be smoothly embedded and will not shake. When the pen core 2 is embedded in the pen tube 1, the pen tip 21 is accurately embedded in the limiting hole 312A, and together with the pen tube 1 forms a tight packaging of the pen core. This design provides direct and effective physical protection for the pen tip 21, greatly reducing the probability of collision and wear of the pen tip 21 during daily use, placement and carrying. At the same time, the overall structure of the cap module 3, especially the relatively closed space formed by the close fit of the inner ring layer 31 and the pen tube 1, can effectively block the interference of foreign matter on the pen core, effectively prolong the service life of the pen core, ensure the smoothness and uniformity of the writing lines, and thus improve the overall technical reliability of the product.

[0033] The protection of the detachable pen tube end: the conical end and the body of the pen tube 1 are designed in a split structure. The inner cavity of the conical end is processed with a first thread 11A, and the outer wall of the structure that is in butt joint with the conical end of the pen tube 1 body is processed with a second thread 11B. The first thread 11A and the second thread 11B are both standard metric threads, and the pitch can be selected according to actual needs, generally between 1mm-1.5mm. Through the thread engagement of the two, the detachable assembly of the conical end and the pen tube 1 body is realized. This design not only facilitates the replacement operation of the pen core, but also after assembly, the conical end and the pen tube body are tightly connected, further strengthening the protection effect of the pen core. The depth size of the butt joint structure of the pen tube body and the conical end should be accurately designed according to the length of the pen core 2, to ensure that the conical end can form reliable limiting for the embedded pen core 2, prevent the pen core from shaking in the pen tube, and better protect the pen core and the nib 21, and improve the overall performance of the product.

[0034] Installation of the tail plug: the other end of the pen tube 1 is installed with a tail plug. The material of the tail plug can be rubber or plastic, and its inner diameter should be tightly matched with the outer diameter of the other end of the pen tube 1, with an interference of 0.05mm-0.1mm, to ensure firm installation. The tail plug not only can effectively seal the pen tube and prevent foreign matter from entering the pen tube and affecting the performance of the pen core, but also can increase the balance of the whole rotating pen during the use of the rotating pen. For example, during writing, the weight distribution of the tail plug can make the holding more comfortable and stable; during playing with the rotation, it can also make the rotation process more smooth and smooth, further optimizing the user experience.

[0035] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rotating pen, characterized by, The application relates to a pen tube (1), a pen core (2) and a pen cap module (3), wherein the pen core (2) is provided with a pen nib (21), one end of the pen tube (1) is tapered to embed the pen core (2) in the pen tube (1) and make the pen nib (21) exposed outside the pen tube (1) through the tapered end, the pen cap module (3) is an inner-outer ring structure, the inner-outer ring structure comprises an inner ring layer (31) and an outer ring layer (32), the inner ring layer (31) can be sleeved on the tapered end to form an encapsulation of the pen core (2) with the pen tube (1), and the outer ring layer (32) is sleeved on the inner ring layer (31) in a rotatable manner along the inner ring layer (31). The inner ring layer (31) is provided with a straight arm sleeve knot section (311) and an embedded part (312), the straight arm sleeve knot section (311) is connected with the embedded part (312), the straight arm sleeve knot section (311) is provided with a set elastic deformation to make the inner ring layer (31) sleeved on the tapered end through elastic redundancy, and the outer ring layer (32) is sleeved on the embedded part (312) in a rotatable manner along the embedded part (312).

2. A rotating pen according to claim 1, characterized in that The embedded part (312) is provided with a limiting hole (312A), so that when the pen core (2) is embedded in the pen tube (1), the pen nib (21) is embedded into the limiting hole (312A) and forms an encapsulation of the pen core (2) with the pen tube (1).

3. A rotating pen according to claim 2, wherein The outer ring layer (32) comprises a first outer ring part (321) and a second outer ring part (322), the first outer ring part (321) is sleeved on the tapered end, and the second outer ring part (322) is sleeved on the first outer ring part (321) in a rotatable manner along the outer ring part, so that the outer ring layer (32) is connected with the inner ring layer (31), and the inner ring layer (31) forms an encapsulation of the pen core (2) with the pen tube (1).

4. The rotating pen of claim 1, wherein, The outer wall of the first outer ring part (321) is provided with a guide rail (322B) groove (321A), the second outer ring part (322) is provided with a guide rail (322B), and the guide rail (322B) and the guide rail (322B) groove (321A) form a rotation enabling combination, so that the second outer ring part (322) is sleeved on the first outer ring part (321) in a rotatable manner along the first outer ring part.

5. A rotating pen according to claim 4, wherein The tapered end is in a split structure with the body of the pen tube (1), so that the tapered end is detachably assembled on the body of the pen tube (1) to embed the pen core (2) in the pen tube (1).

6. The rotating pen of claim 1, wherein, ​ 7. The rotating pen of claim 1, wherein, The inner cavity of the one end part in the taper shape is provided with a first thread (11A), and the outer wall of the structure on the body of the pen tube (1) which is in butt joint with the one end part in the taper shape is provided with a second thread (11B), the first thread (11A) is in thread engagement with the first thread (11A), so that the one end part in the taper shape is detachably assembled on the body of the pen tube (1).

8. The rotating pen of claim 1, wherein, The depth dimension of the structure on the body of the pen tube (1) which is in butt joint with the one end part in the taper shape is such that the one end part in the taper shape can limit the position of the pen core (2) which is inlaid in the pen tube (1).

9. The rotating pen of claim 1, wherein, The other end part of the pen tube (1) is provided with a tail plug (4).

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