Semi-wrapped fixed type extremely flat eyebrow pencil capable of quickly replacing refill
By designing a quick core replacement semi-wrap fixed extreme flat eyebrow pencil, the existing eyebrow pencil is solved, and the existing eyebrow pencil is not fixed and inconvenient to replace, achieving stable fixation and convenient replacement of the refill, improving the user experience and environmental protection.
Patent Information
- Application Number
- CN202421710642.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The existing eyebrow pencils have defects in fixing and protecting the refill, which makes the refill easily fall off or break, and it is inconvenient to replace the refill, which affects the user experience and environmental protection.
A quick core replacement semi-wrap fixed extreme flat eyebrow pencil is designed, which uses a screw to connect to the pen head seat through a threaded structure. The refill core is inserted into the gradient mounting groove and intertwined. Combined with an environmentally friendly silicone sealing ring and a semi-wrap hook-shaped half-stage structure, the refill core is stable and conveniently replaced.
Effectively prevent damage to the refill during use, extend the shelf life and service life of the product, improve the convenience and efficiency of use, and reduce environmental pollution.
Smart Images

Figure CN222929371U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cosmetic tools, in particular to a quick-refill semi-wrapped fixed extremely flat eyebrow pencil. Background Technique
[0002] With the continuous development of makeup techniques and the increasing requirements of people for appearance beauty, as an indispensable part of cosmetics, eyebrow pencils have been widely used in people's daily lives. The main function of an eyebrow pencil is to fill, modify and define the shape of the eyebrows to achieve the effect of beautifying the eyebrows and improving the facial contour. However, there are generally some problems and deficiencies in the current eyebrow pencils on the market.
[0003] Firstly, there are defects in the fixation and protection of the refill of the existing eyebrow pencils. Since the refill is usually relatively thin and has various shapes, especially in the use of extremely flat refills, there are no effective fixation and protection measures, resulting in the refill being easily detached or broken during use, seriously affecting the use experience and effect.
[0004] Secondly, it is not convenient to replace the refill of the existing eyebrow pencils. Replacing the refill of traditional eyebrow pencils usually requires disassembling the entire pen barrel or the tip part, which is cumbersome to operate and easily damages the pen barrel or the tip, bringing inconvenience to users.
[0005] In addition, with the improvement of environmental awareness, disposable eyebrow pencils can no longer meet the market demand. How to achieve the reuse of the refill while ensuring the use effect and reducing environmental pollution is also a problem that needs to be considered in the current design of eyebrow pencils. Content of the Utility Model
[0006] (1) Technical Problems to be Solved
[0007] In view of the deficiencies of the prior art, the utility model provides a quick-refill semi-wrapped fixed extremely flat eyebrow pencil.
[0008] (2) Technical Solutions
[0009] To achieve the above object, the utility model provides the following technical solutions: A quick-refill semi-wrapped fixed extremely flat eyebrow pencil of the utility model includes the following components:
[0010] A pen barrel, on which an eyebrow pencil sleeve is interference-fitted.
[0011] A tip seat, located at one end of the pen barrel. A slot is provided at the end of the pen barrel, and the slot communicates with the tip seat. The tip seat is a semi-wrapped hook-shaped semi-segmental structure.
[0012] A screw rod, at the end of which there is a refill seat. An installation groove is provided on the refill seat, and a refill is installed in the installation groove. The screw rod is connected to the tip seat through a threaded structure and is installed in the slot.
[0013] A refill, which is inserted into the installation groove and fits tightly with the installation groove by interference.
[0014] An environment-friendly silicone rubber sealing ring, located between the pen tip holder and the pen barrel, is used to isolate the external environment.
[0015] Preferably, the other end of the pen barrel is provided with a brush holder, the brush holder is provided with a jack, a brush is inserted into the jack, the core support component of the brush is a cylindrical rod, and the cylindrical rod is inserted into the jack by interference.
[0016] More preferably, the eyebrow pencil sleeve fits over the two ends of the pen barrel by interference and covers the refill and the brush.
[0017] Most preferably, the refill is of an extremely flat structure.
[0018] Preferably, the refill holder adopts a two-piece wrapping structure, and the installation groove is of a gradient structure.
[0019] More preferably, the size from the entrance of the installation groove to the bottom of the installation groove gradually decreases.
[0020] Most preferably, triangular ribs are provided on the inner wall of the installation groove.
[0021] Preferably, both the pen barrel and the eyebrow pencil sleeve are made of high-strength environment-friendly medical-grade plastic materials.
[0022] (III) Beneficial effects
[0023] Compared with the prior art, the present utility model provides a quick-refilling semi-wrapped fixed extremely flat eyebrow pencil, which has the following beneficial effects:
[0024] Sealing performance and shelf life: The additional environment-friendly silicone rubber sealing ring between the pen tip holder and the pen barrel effectively isolates the external environment, preventing impurities such as moisture and dust from entering the pen barrel, thereby prolonging the shelf life and service life of the product.
[0025] Refill fixing and protection: The gradient structure and multiple triangular ribs of the installation groove provide appropriate guidance and overload extrusion force, effectively reducing the damage caused by the shaking of the refill during assembly and ensuring the integrity and stability of the refill.
[0026] Semi-wrapped fixed protection: The semi-wrapped hook-shaped semi-segmented structure designed in the inner slot of the pen tip holder provides appropriate radial protection force for the refill, effectively preventing the refill from being damaged during normal use and enhancing the service life of the eyebrow pencil.
[0027] Extremely flat refill design:
[0028] The extremely flattened pen core structure makes the lines more delicate and full, capable of meeting the needs of fine eyebrow drawing, easily outlining natural eyebrow lines, and creating a three-dimensional and natural eyebrow shape.
[0029] Quick refilling design:
[0030] The screw rod and the pen tip seat are connected to the pen barrel through a threaded structure. The pen core is inserted into the installation groove in the pen core seat and fits tightly by interference. Users only need to rotate the screw rod and insert and remove the pen core to easily replace the pen tip seat and the pen core, greatly improving the convenience and efficiency of use.
[0031] In summary, the quick-refilling semi-wrapped fixed extremely flattened eyebrow pencil, with its unique design and material selection, brings a convenient, stable, and efficient user experience to users. At the same time, it ensures the durability and environmental protection of the product, meeting the needs of users for fine eyebrow drawing. Description of the Drawings
[0032] Figure 1 It is a schematic cross-sectional structure diagram of the present utility model;
[0033] Figure 2 It is a schematic structure diagram of the pen barrel of the present utility model;
[0034] Figure 3 It is a schematic structure diagram of the screw rod of the present utility model;
[0035] Figure 4 It is a schematic structure diagram of the screw rod for installing the pen core of the present utility model;
[0036] In the figure: 1, eyebrow pencil sleeve; 2, pen core; 3, pen tip seat; 4, environmental protection silica gel sealing ring; 5, pen core seat; 6, pen barrel; 7, triangular rib; 8, screw rod; 9, slot; 10, brush seat; 11, brush; 12, cylindrical rod; 13, installation groove. Detailed Embodiments
[0037] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0038] Please refer to Figures 1-4 , a quick-refilling semi-wrapped fixed extremely flattened eyebrow pencil of the present utility model includes the following components:
[0039] A pen barrel 6, on which an eyebrow pencil sleeve 1 is sleeved by interference;
[0040] The pen tip holder 3 is located at one end of the pen barrel 6. A slot 9 is provided at the end of the pen barrel 6, and the slot 9 communicates with the pen tip holder 3. The pen tip holder 3 has a semi-wrapped hook-shaped semi-segmental structure;
[0041] The screw rod 8 has a pen core holder 5 at its end. An installation groove 13 is provided on the pen core holder 5, and a pen core 2 is installed in the installation groove 13. The screw rod 8 is connected to the pen tip holder 3 through a threaded structure and is installed in the slot 9;
[0042] The pen core 2 is inserted into the installation groove 13 and is in interference fit with the installation groove 13;
[0043] The environmentally friendly silicone sealing ring 4 is located between the pen tip holder 3 and the pen barrel 6 and is used to isolate the external environment.
[0044] In the preferred solution of the above-mentioned quick-refill semi-wrapped fixed ultra-flat eyebrow pencil:
[0045] The design of the pen barrel 6 and the brush 11
[0046] The other end of the pen barrel 6 is provided with a brush holder 10, and the brush holder 10 is provided with a jack for inserting the brush 11.
[0047] The core support component of the brush 11 is a cylindrical rod 12, which is fixed in the jack by an interference insertion method to ensure the stability of the brush 11.
[0048] The connection between the eyebrow pencil cap 1 and the pen barrel 6
[0049] The eyebrow pencil cap 1 is connected to both ends of the pen barrel 6 by an interference socketing method. This connection method can effectively isolate the external environment and extend the shelf life of the product.
[0050] The eyebrow pencil cap 1 covers both the pen core 2 and the brush 11 at the same time, playing a role in protection and dust prevention.
[0051] The design of the ultra-flat pen core 2 and the pen core holder 5
[0052] The pen core 2 has an ultra-flat structure. When the user uses the pen core 2 to draw eyebrows, the ultra-flat structure makes the lines more delicate and full, and can easily outline natural eyebrow lines, meeting the user's need for fine eyebrow drawing.
[0053] The pen core holder 5 adopts a two-piece wrapping structure to effectively fix and protect the ultra-flat pen core 2 and prevent the pen core 2 from falling off or breaking.
[0054] The installation groove 13 is designed as a tapered structure, and the size from its entrance to the bottom gradually decreases. This design enables the pen core 2 to be gradually and stably fixed during insertion, avoiding damage caused by shaking.
[0055] A triangular rib 7 is provided on the inner wall of the mounting groove 13 to increase the contact area and friction force with the pen core 2 and further improve the stability of the fixation.
[0056] Material selection
[0057] The pen holder 6 and the eyebrow pencil cover 1 are both made of high-strength environmentally friendly medical-grade plastic material to ensure the durability and environmental friendliness of the product.
[0058] The utility model introduces a quick-change core semi-wrapped fixed type extremely flat eyebrow pencil, which is mainly composed of a pen holder 6, an eyebrow pencil cover 1, a pen head seat 3, a screw 8, a core 2 and an environmentally friendly silicone sealing ring 4. The following is a summary of its working principle:
[0059] Pen holder 6 and eyebrow pencil cover 1:
[0060] The pen holder 6 is the main part of the eyebrow pencil, and its structural design allows the eyebrow pencil cover 1 to be sleeved on the pen holder 6. This design not only ensures the tight connection between the pen holder 6 and the eyebrow pencil cover 1, but also effectively prevents the external environment from polluting and damaging the pen core 2 and the pen head.
[0061] Pen holder 3 and screw 8:
[0062] The nib seat 3 is located at one end of the pen shaft 6 , and is designed as a semi-wrapped hook-shaped and semi-segmented structure, which can closely cooperate with the refill seat 5 to achieve semi-wrapped fixation of the refill 2 .
[0063] The screw 8 is a key component connecting the pen head seat 3 and the pen body 6. The end of the screw 8 is provided with a refill seat 2 and is installed in the slot 9 of the pen body 6 through a threaded structure. This design allows the user to easily raise and lower the refill seat 2 in the pen body 6 by rotating the screw 8, thereby facilitating the replacement of the refill 2.
[0064] Pen core 2 and mounting slot 13:
[0065] The refill 2 is the core part of the eyebrow pencil, and adopts an extremely flat structure to meet the needs of fine eyebrow drawing. The refill 2 is inserted into the mounting groove 13 on the refill holder 5 and fits with the mounting groove 13 by interference fit. This design ensures the stability of the refill 2 during use and is not easy to fall off.
[0066] Environmentally friendly silicone sealing ring 4:
[0067] The environmentally friendly silicone seal ring 4 is located between the pen holder 3 and the pen holder 6, and its main function is to isolate the external environment and prevent impurities such as moisture and dust from entering the pen holder 6 to pollute and damage the pen core 2 and the pen holder 6. At the same time, the environmentally friendly silicone seal ring 4 also increases the sealing between the pen holder 3 and the pen holder 6, further ensuring the stability and service life of the pen core 2.
[0068] The pencil cap 1, pen barrel 6, and pen tip base 3 of the eyebrow pencil are all made of high-strength environmentally friendly medical-grade plastic to ensure the environmental protection and durability of the product. The design of the interference fit structure further enhances the connection tightness between components and improves the stability of the overall structure.
[0069] The replaceable core assembly composed of the pen tip base 3, screw 8, pen core 2, environmentally friendly silicone seal ring, brush base 10, and brush 11 provides users with a variety of usage scenario options in terms of shape, size, and material. Users can quickly replace it through simple plug-and-play operations according to actual needs, greatly improving the convenience and flexibility of use.
[0070] From the introduction of the above working principle, we can see that this semi-encapsulated fixed ultra-flat eyebrow pencil with quick core replacement has the advantages of simple structure, convenient replacement, and good stability. Users only need to rotate the screw 8 to easily replace the pen core 2, greatly improving the use efficiency and convenience. At the same time, the use of the environmentally friendly silicone seal ring 4 also effectively extends the service life of the eyebrow pencil and reduces environmental pollution.
[0071] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A quick-change core semi-wrapped fixed extremely flat eyebrow pencil, characterized in that: Includes the following components: A pen holder (6), wherein an eyebrow pencil cover (1) is interference-fitted onto the pen holder (6); The pen holder (3) is located at one end of the pen holder (6), the end of the pen holder (6) is provided with a slot (9), the slot (9) is connected to the pen holder (3), and the pen holder (3) is a semi-wrapped hook-shaped semi-segment structure; A screw rod (8) is provided with a refill seat (5) at its end, the refill seat (5) is provided with a mounting groove (13), the refill (2) is mounted in the mounting groove (13), the screw rod (8) is connected to the pen head seat (3) through a threaded structure, and is mounted in the slot (9); A pen core (2), wherein the pen core (2) is inserted into the mounting groove (13) and is interference fit with the mounting groove (13); The environmentally friendly silicone sealing ring (4) is located between the pen head seat (3) and the pen body (6) and is used to isolate the external environment.
2. A quick-change core semi-wrapped fixed type extremely flat eyebrow pencil according to claim 1, characterized in that: A brush seat (10) is provided at the other end of the pen holder (6), and a plug hole is provided on the brush seat (10), a brush (11) is inserted into the plug hole, and the core supporting component of the brush (11) is a cylindrical rod (12), and the cylindrical rod (12) is inserted into the plug hole with interference fit.
3. A quick-change core semi-wrapped fixed type extremely flat eyebrow pencil according to claim 2, characterized in that: The eyebrow pencil cover (1) is interference-fitted onto the two ends of the pen holder (6) and covers the pen core (2) and the brush (11).
4. A quick-change core semi-wrapped fixed type extremely flat eyebrow pencil according to claim 3, characterized in that: The pen core (2) is an extremely flat structure.
5. The quick-change core semi-wrapped fixed type extremely flat eyebrow pencil according to claim 4, characterized in that: The refill (2) seat adopts a two-piece wrapping structure, and the mounting groove (13) is a gradual structure.
6. A quick-change core semi-wrapped fixed type extremely flat eyebrow pencil according to claim 5, characterized in that: The size from the entrance of the installation groove (13) to the bottom of the installation groove (13) gradually decreases.
7. A quick-change core semi-wrapped fixed type extremely flat eyebrow pencil according to claim 6, characterized in that: A triangular rib (7) is provided on the inner wall of the installation groove (13).
8. The quick-change core semi-wrapped fixed type extremely flat eyebrow pencil according to claim 7, characterized in that: The pen holder (6) and the eyebrow pencil cover (1) are both made of high-strength environmentally friendly medical-grade plastic material.