A ceramic pen-handled nail art pen
By adopting a detachable modular structure and optimizing material selection, the problems of resource waste and unstable connection of traditional nail art pens are solved, enabling quick replacement, stable operation and durability of nail art pens, thus improving efficiency and economy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-22
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional nail art pens, due to their one-piece design, require the entire pen to be replaced if the tip is damaged, resulting in wasted resources and increased costs. The connection between the tip and the pen body is not stable, affecting the performance and making it difficult to replace the tip, which is also inconvenient to carry around.
It adopts a detachable modular structure, and the pen tip component can be quickly replaced through the interference fit of the retaining ring and the annular groove, and the precise docking of the fixing pin and the positioning hole. The pen barrel is made of alumina ceramic, the pen tip connector and the connecting part are made of metal, and the transparent sleeve is made of polycarbonate, ensuring a stable connection and convenient replacement.
It enables quick head replacement, stable operation, durability and environmental friendliness of nail art pens, reduces usage costs, improves resource utilization efficiency, ensures operational accuracy and safety, and extends service life.
Smart Images

Figure CN224420345U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of beauty tool technology, specifically a ceramic pen-handled nail art pen. Background Technology
[0002] A nail art pen is a functional pen specifically designed for nail art painting, carving, outlining, or applying nail polish. It typically consists of a pen barrel, a pen tip (such as a nylon brush, silicone tip, or metal needle), and matching components. Its core technology lies in the precise molding of the pen tip, its stable connection with the pen barrel, and its operability during use. It is widely used in professional nail art and personal beauty fields.
[0003] Traditional nail art pens present several unresolved issues in their usage scenarios. Firstly, most existing nail art pens are one-piece designs. When the tip becomes worn, deformed, or stained with stubborn dirt, users have to replace the entire pen, wasting resources and increasing user costs. Secondly, the connection between the tip and the pen body in traditional nail art pens is not secure enough, easily loosening or even detaching during use, affecting the smoothness and effectiveness of the nail art application. Furthermore, since different types of tips are needed for various steps such as coloring, outlining, and blending in nail art, traditional pens do not allow for convenient tip replacement. Users need to carry multiple pens, causing significant inconvenience when traveling and using them.
[0004] Therefore, a ceramic-handled nail art pen was proposed to address the problems mentioned above. Utility Model Content
[0005] The purpose of this utility model is to provide a ceramic pen-shaped nail art pen to solve the problems mentioned in the background art, such as the waste of resources and increased costs caused by the need to replace the entire pen when the pen tip is damaged due to the one-piece design, the unstable connection between the pen tip and the pen body affecting the use effect, and the inconvenience of carrying and using the pen when the pen tip cannot be easily replaced.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a ceramic pen-handled nail art pen, comprising a pen handle, one end of which is fixedly connected to a connecting part, and a pen sleeve is fitted on the outer side of the connecting part away from the pen handle;
[0007] The connecting part has several positioning holes inside near the pen cap end;
[0008] The pen cap has a clamping metal piece that fits and connects to the connecting part at one end near the connecting part.
[0009] The connecting part has a detachable pen tip connector inside one end, a pen tip component is fixed at one end of the pen tip connector, and a retaining ring that engages with the connecting part is provided on the outer side of the other end of the pen tip connector.
[0010] The connecting part is provided with several fixing pins at one end near the retaining ring, which are fixed in conjunction with the positioning holes;
[0011] The outer side of the pen tip connector is fitted with a transparent sleeve located inside the pen cap.
[0012] Preferably, the number of positioning holes is five, and they are evenly distributed inside the connecting part.
[0013] Preferably, the number of fixing pins is the same as the number of positioning holes, and the fixing pins are integrally formed with the pen tip connector.
[0014] Preferably, the clamping metal sheet is made of elastic metal, and its inner diameter is smaller than the outer diameter of the pen barrel connection part, so that a tight connection is achieved through interference fit.
[0015] Preferably, the retaining ring is an annular protrusion made of elastic plastic material, and the inner wall of the connecting part is provided with an annular retaining groove. The retaining ring and the annular retaining groove are interference-fitted to achieve detachable fixation.
[0016] Preferably, the transparent sleeve is a hollow tubular structure made of polycarbonate material, which is fitted outside the pen tip connector. The inner diameter of the transparent sleeve and the outer diameter of the pen tip connector form an interference fit, and the length of the transparent sleeve at least covers the pen tip component provided on the pen tip connector.
[0017] Preferably, the pen barrel is made of alumina ceramic, the pen tip connector and connecting part are made of metal, and the pen tip component is made of nylon bristles.
[0018] Compared with existing technologies, the beneficial effects of this utility model are as follows: This ceramic-barreled nail art pen, through its detachable modular structure, multiple fixing mechanisms, optimized material selection, and standardized design, achieves quick head replacement, stable operation, durability, environmental friendliness, and multi-functional applications, improving efficiency and economy. The specific details are as follows:
[0019] First, the detachable structural design enhances the product's versatility and economy. The pen tip connector and the connecting part adopt a detachable connection method, which, together with the interference fit of the retaining ring and the annular groove, and the precise alignment of the fixing pin and the positioning hole, enables quick replacement of the pen tip components. This design allows users to flexibly combine different types and sizes of pen tip components according to their nail art needs, eliminating the need to purchase multiple complete nail art pens. It can meet diverse nail art operation needs (such as painting, outlining, smudging, etc.), reduce usage costs, and reduce storage space for idle tools, thereby improving resource utilization efficiency.
[0020] Secondly, the multiple fixing structures ensure stability and safety during use. The connecting part and the pen tip connector are initially fixed through an interference fit between a retaining ring and an annular groove, supplemented by a precise engagement of a fixing pin and a positioning hole, creating a double positioning and tightening effect. This effectively prevents axial loosening or radial wobble of the pen tip during use, ensuring the precision of nail art operations. Simultaneously, the clamping metal plate inside the pen cap is made of elastic metal and is securely connected to the connecting part through an interference fit. This ensures the stability of the pen set, preventing accidental detachment, and allows for easy disassembly when needed, balancing safety and ease of operation.
[0021] Furthermore, meticulous design enhances the product's practicality and durability. The transparent sleeve, made of polycarbonate, fits snugly over the nib connector, covering the nib assembly. This effectively isolates the nib from dust and impurities, keeping it clean and extending its lifespan. Its transparency also allows users to easily observe the nib's condition, facilitating timely replacement or cleaning. The pen barrel is made of alumina ceramic, offering high strength, wear resistance, and easy cleaning, with a delicate texture and elegant appearance. The nib connector and connecting parts are made of metal, ensuring structural strength and rigidity, preventing deformation. The nib assembly uses nylon bristles, soft and elastic, suitable for the precision required in nail art. The materials and functional requirements of each component are highly matched, improving the overall durability and user comfort of the product.
[0022] Furthermore, the standardized structural design facilitates production and maintenance. The quantity and distribution of components such as positioning holes and fixing pins are uniform, and the pen tip connector and fixing pin are integrally molded, which not only ensures the interchangeability of parts and assembly accuracy, facilitating mass production, but also reduces later maintenance costs. Users can extend the overall service life of the product by replacing individual damaged parts, which is in line with the concept of energy conservation and environmental protection. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0024] Figure 2 This is a schematic diagram of the installation structure at the transparent sleeve in this utility model;
[0025] Figure 3 This is a schematic diagram of the internal structure of the transparent sleeve in this utility model;
[0026] Figure 4 In this utility model Figure 3 A schematic diagram of the exploded structure;
[0027] Figure 5 This utility model Figure 4 3D structural diagram of the central fixing pin;
[0028] Figure 6 This utility model Figure 4 Schematic diagram of the three-dimensional structure at the connecting part;
[0029] Figure 7 This utility model Figure 1 Schematic diagram of the three-dimensional structure of the pen cap;
[0030] Figure 8 This utility model Figure 7 A three-dimensional structural diagram of the metal sheet clamped in the middle;
[0031] Figure 9 This is a schematic diagram of the triangular pen structure in this utility model;
[0032] Figure 10 This is a schematic diagram of the structure of the Chrysanthemum Pen of this utility model;
[0033] Figure 11 This is a schematic diagram of the flat-tipped pen structure in this utility model;
[0034] Figure 12 This is a schematic diagram of the structure of the medium-length drawstring pen of this utility model;
[0035] Figure 13 This is a schematic diagram of the structure of the short-drawing pen of this utility model;
[0036] Figure 14 This is a schematic diagram of the round-tipped pen structure in this utility model;
[0037] Figure 15 This is a schematic diagram of the functional pen structure in this utility model;
[0038] Figure 16 This is a schematic diagram of the square-round pen structure of this utility model.
[0039] In the diagram: 1. Pen barrel; 2. Connecting part; 201. Positioning hole; 202. Annular groove; 3. Pen sleeve; 4. Clamping metal piece; 5. Pen tip connector; 6. Pen tip component; 7. Snap ring; 8. Fixing pin; 9. Transparent sleeve. Detailed Implementation
[0040] 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. Example
[0041] like Figure 1-8As shown, this embodiment provides a ceramic nail art pen, which mainly includes a pen barrel 1, a connecting part 2, a pen sleeve 3, a clamping metal piece 4, a pen tip connecting seat 5, a pen tip component 6, a retaining ring 7, a fixing pin 8, and a transparent sleeve 9. The specific structure and connection relationship of each component are as follows:
[0042] Pen barrel 1: Made of alumina ceramic material, it features high strength, smooth feel and wear resistance, providing a stable grip for the nail art pen.
[0043] Connecting part 2: It is fixedly connected to one end of the pen barrel 1 with glue and has a tubular structure. Five positioning holes 201 are evenly opened inside the end near the pen cap 3 to cooperate with the fixing pin 8 for precise positioning; the inner wall is provided with an annular groove 202 to cooperate with the retaining ring 7 to fix the pen tip connecting seat 5.
[0044] Pen cap 3: It is fitted onto the outer side of the end of the connecting part 2 away from the pen barrel 1, and a clamping metal piece 4 is fixedly connected to the inner side of the end near the connecting part 2. The clamping metal piece 4 is made of elastic metal, and its inner diameter is slightly smaller than the outer diameter of the connecting part 2. The pen cap 3 is securely connected to the connecting part 2 through an interference fit, and the pen cap 3 can be easily removed by utilizing the elasticity of the metal.
[0045] Pen tip connector 5: This is a detachable component. One end is fixedly connected to the pen tip component 6, and the other end has a retaining ring 7 on its outer side. Five fixing pins 8 are provided on the outer side corresponding to the positioning holes 201. The fixing pins 8 are integrally formed with the pen tip connector 5, and their number is consistent with the positioning holes 201 to ensure precise alignment during assembly. The retaining ring 7 is an annular protrusion made of elastic plastic, which is interference-fitted with the annular groove 202 on the inner wall of the connecting part 2, realizing the detachable fixation of the pen tip connector 5 and the connecting part 2. The disassembly and assembly process does not require tools and is easy to operate.
[0046] Transparent sleeve 9: A hollow tubular structure made of polycarbonate material, fitted outside the pen tip connector 5. Its inner diameter and the outer diameter of the pen tip connector 5 form an interference fit to ensure stability, and its length at least covers the pen tip component 6 to protect the pen tip component 6 from contamination or damage. At the same time, the transparent material makes it easy to observe the condition of the pen tip. When using the cosmetic pen, simply pull out the transparent sleeve 9.
[0047] Pen tip component 6: Made of nylon bristles, it can be designed into different shapes according to nail art needs (see Examples 2-9 below for details), and different functions can be switched by changing the pen tip connector 5.
[0048] Example 2 (Triangle Pen)
[0049] like Figure 9 As shown, the overall structure of the replaceable-head nail art pen in this embodiment is the same as that in embodiment 1, except that the pen tip component 6 is designed with a triangular bevel.
[0050] The angle of the triangular beveled tip has been optimized, making it suitable for drawing patterns with symmetrical curves such as butterfly wings and petals. It allows for smooth line transitions with a single stroke, achieving a "one-stroke" effect, greatly improving the efficiency of nail art drawing, and is especially suitable for beginners.
[0051] Example 3 (Chrysanthemum Pen)
[0052] like Figure 10 As shown, the overall structure of the replaceable-tip nail art pen in this embodiment is the same as that in embodiment 1, except that the pen tip component 6 is designed with a small round tip.
[0053] This small, rounded brush tip has a small diameter and a rounded end, making it suitable for fine painting, such as outlining the details of petals and leaves. It can also be used for wavy shading and filling in small areas. By adjusting the pressure and angle of the brush, you can flexibly control the color transition effect to meet the needs of diverse nail art styles.
[0054] Example 4 (Flat-tipped pen)
[0055] like Figure 11 As shown, the overall structure of the replaceable-head nail art pen in this embodiment is the same as that in embodiment 1, except that the pen tip component 6 is a flat-head design.
[0056] The flat tip of this brush has a flat end and a large surface area, making it suitable for applying Japanese glue, glitter, sequins, and other materials that require uniform coverage. It can also be used for large-area application of color glue, base coat, and top coat, effectively improving application efficiency and ensuring a smooth coating.
[0057] Example 5 (Long-drawing pen)
[0058] like Figure 12 As shown, the overall structure of the replaceable-tip nail art pen in this embodiment is the same as that in embodiment 1, except that the pen tip component 6 is designed to be slender and pointed.
[0059] This long-tip liner pen has a fine yet firm tip, designed specifically for drawing line-based nail art designs. It allows for precise control over the thickness and curvature of the lines, making it suitable for drawing delicate lines such as white edges, geometric lines, and vine patterns in French manicures. It can also be used for constructing and adjusting nail shapes and for detailed embellishment.
[0060] Example 6 (Short-drawing pen)
[0061] like Figure 13 As shown, the overall structure of the replaceable-tip nail art pen in this embodiment is the same as that in embodiment 1. The difference is that the pen tip component 6 is a short-pointed design and its length is shorter than that of the long-drawn-line pen in embodiment 5.
[0062] The shorter tip of this pen is more stable, making it suitable for precise operations in small areas, such as filling in checkerboard patterns, outlining lines, and handling details on the edges of nails. It allows for precise control of the brush strokes within a narrow area, enhancing the sophistication of nail art designs.
[0063] Example 7 (Round-tipped pen)
[0064] like Figure 14 As shown, the overall structure of the replaceable-head nail art pen in this embodiment is the same as that in embodiment 1, except that the pen tip component 6 is designed with a round head and the end is an arc-shaped spherical surface.
[0065] The rounded tip of this brush is perfect for handling the curves of the nail edges. It can be used for the even application and blending of color gels, especially when dealing with the curves where the nail surface meets the nail groove. It can prevent the lines from being harsh and make the nail art effect more natural and smooth.
[0066] Example 8 (Functional Pen)
[0067] like Figure 15 As shown, the overall structure of the replaceable-tip nail art pen in this embodiment is the same as that in embodiment 1. The difference is that the pen tip component 6 is designed in the shape of a willow leaf and has a long and narrow arc shape.
[0068] The willow-leaf shaped brush tip has a large capacity, making it suitable for taking large amounts of gel and easily completing the drawing of large areas of flowers and leaves in one go; at the same time, its curved edge can naturally transition colors, making it suitable for blending operations, taking into account both the ability to take large amounts of gel and the need for fine drawing.
[0069] Example 9 (Square and Round Pen)
[0070] like Figure 16 As shown, the overall structure of the replaceable-head nail art pen in this embodiment is the same as that in embodiment 1. The difference is that the pen tip component 6 is designed with a square and round head, with the end being square but the corners being rounded.
[0071] This square-round tip combines the advantages of both flat and round tips: the square part can efficiently apply a single color or perform large-area blending, while the rounded corners make it easy to handle the curvature of the nail edge, avoiding uneven application or damage to the nail groove, making it suitable for daily basic nail art and quick blending operations.
[0072] The above embodiments can meet various needs such as drawing, smearing, blending, and detail processing during the nail art process by replacing different pen tip components 6. Moreover, the components are firmly connected and easy to assemble and disassemble, which effectively reduces the cost of using nail art tools and improves operational flexibility.
[0073] Working principle: Before using this ceramic-handled nail art pen, you need to check the overall condition of the device to ensure it can function properly. Figure 1 - Figure 16As shown, in the overall structure, the pen barrel 1 serves as the basic component for handheld operation, and the connecting part 2, which is fixedly connected to one end, provides core support for the assembly of various functional components. The pen sleeve 3, fitted onto the outer side of the connecting part 2 away from the pen barrel 1, achieves a tight fit with the connecting part 2 through an internally fixed clamping metal plate 4. Because the clamping metal plate 4 is made of elastic metal and its inner diameter is smaller than the outer diameter of the connecting part 2, the interference fit design allows the pen sleeve 3 to be stably fitted onto the outer side of the connecting part 2, providing both protection and a closed space for the internal components. When installing the pen tip connector 5, its end with the retaining ring 7 must be aligned with the internal cavity of the connecting part 2. The retaining ring 7 on the outer side of the pen tip connector 5 is an annular protrusion made of elastic plastic. During the insertion process, the retaining ring 7, due to its elastic deformation, presses against the inner wall of the connecting part 2 until it engages with the pre-set annular groove 202 on the inner wall of the connecting part 2, completing the initial fixation through the interference fit. Meanwhile, the fixing pin 8 on the outer side of the other end of the pen tip connector 5 is precisely aligned with the positioning hole 201 inside the connecting part 2. The number of fixing pins 8 is the same as the number of positioning holes 201, and the fixing pins 8 and the pen tip connector 5 are integrally formed. This ensures that when the retaining ring 7 is engaged, the fixing pin 8 is precisely inserted into the positioning hole 201, forming a double positioning and fixing, which effectively prevents the pen tip connector 5 from rotating or loosening during use.
[0074] The pen tip component 6, fixed at one end of the pen tip connector 5, is the functional end for nail art operations. It is made of nylon bristles and different types of pen tips can be selected according to nail art needs. The transparent sleeve 9, which is fitted outside the pen tip connector 5 and inside the pen sleeve 3, is a hollow tubular structure made of polycarbonate. Its inner diameter forms an interference fit with the outer diameter of the pen tip connector 5, which can tightly wrap the pen tip connector 5 and at least cover the pen tip component 6. This not only protects the pen tip component 6 from dust and damage, but also does not affect the observation of the pen tip's condition.
[0075] When the pen tip component 6 needs to be replaced, simply apply external force to pull out the pen tip connector 5. At this time, the retaining ring 7 will disengage from the annular groove 202 due to elastic deformation, and the fixing pin 8 will be pulled out from the positioning hole 201 simultaneously, thus separating the pen tip connector 5 from the connecting part 2. When replacing a new pen tip connector 5 with the required pen tip component 6, repeat the above installation steps to complete the overall replacement process.
[0076] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A ceramic pen-handled nail art pen, comprising a pen handle (1), characterized in that: One end of the pen barrel (1) is fixedly connected to a connecting part (2), and a pen sleeve (3) is fitted on the outer side of the connecting part (2) away from the pen barrel (1). The connecting part (2) has several positioning holes (201) inside the end near the pen cap (3); The pen cap (3) has a clamping metal piece (4) that fits and connects to the connecting part (2) at one end. The connecting part (2) has a detachable pen tip connector (5) inside one end, a pen tip component (6) is fixed at one end of the pen tip connector (5), and a retaining ring (7) that engages with the connecting part (2) is provided on the outer side of the other end of the pen tip connector (5). The connecting part (2) has several fixing pins (8) that cooperate with and fix the positioning hole (201) at one end near the retaining ring (7); The pen tip connector (5) is fitted with a transparent sleeve (9) located inside the pen sleeve (3) on the outside.
2. The ceramic pen-handled nail art pen according to claim 1, characterized in that: The number of positioning holes (201) is five, and they are evenly distributed inside the connecting part (2).
3. A ceramic pen-handled nail art pen according to claim 1, characterized in that: The number of fixing pins (8) is the same as the number of positioning holes (201), and the fixing pins (8) and the pen tip connector (5) are integrally formed.
4. A ceramic pen-handled nail art pen according to claim 1, characterized in that: The clamping metal sheet (4) is made of elastic metal, and its inner diameter is smaller than the outer diameter of the pen barrel (1) connecting part (2). It achieves a tight connection through interference fit.
5. A ceramic pen-handled nail art pen according to claim 1, characterized in that: The retaining ring (7) is an annular protrusion made of elastic plastic material, and the inner wall of the connecting part (2) is provided with an annular groove (202). The retaining ring (7) and the annular groove (202) are interference-fitted to achieve detachable fixation.
6. A ceramic pen-handled nail art pen according to claim 1, characterized in that: The transparent sleeve (9) is a hollow tubular structure made of polycarbonate material. It is fitted outside the pen tip connector (5). The inner diameter of the transparent sleeve (9) and the outer diameter of the pen tip connector (5) form an interference fit. The length of the transparent sleeve (9) covers at least the pen tip component (6) provided on the pen tip connector (5).
7. A ceramic pen-handled nail art pen according to claim 1, characterized in that: The pen barrel (1) is made of alumina ceramic, the pen tip connector (5) and the connecting part (2) are made of metal, and the pen tip component (6) is made of nylon bristles.