Safe and environment-friendly cosmetic brush

The cosmetic brush is made of polybutylene terephthalate material, with the bristle head, brush handle and bottom pressure cap welded using ultrasonic welding technology, which solves the problem of harmful substances released by glue reaction and the inconvenience of recycling, and achieves the effect of safety, environmental protection and easy recycling.

CN223429286UActive Publication Date: 2025-10-14ANISA COSMETIC APPLICATORS (TIANJIN) CO LTD
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Patent Information

Application Number
CN202422556726.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-10-14
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

Existing makeup brushes have the risk of releasing harmful substances due to the reaction between glue and cosmetic ingredients during use, and they need to be disassembled and sorted for recycling, which is inconvenient.

Method used

Ultrasonic welding technology is used to connect the bristle head, brush handle and bottom pressure cap of a cosmetic brush made of polybutylene terephthalate material into one piece through ultrasonic welding, avoiding the use of glue.

Benefits of technology

The cosmetic brushes are safe and environmentally friendly, easy to recycle, and improve the recycling rate of plastic waste, which is in line with the concept of circular economy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of cosmetic tools, and relates to a safe and environment-friendly cosmetic brush, which comprises a bristle head and a brush handle, and is characterized in that the brush handle is of a hollow structure, the bristle head extending out of the brush handle is mounted at the front end of the brush handle, the cosmetic brush further comprises a bottom pressing cap, and the bottom pressing cap is mounted at the rear end of the brush handle in an inserted manner. The bristle head, the brush handle and the bottom pressing cap are connected into a whole through ultrasonic welding. The safe and environment-friendly cosmetic brush is scientific and reasonable in design, has the advantages of being beneficial to environmental protection, convenient to recycle, convenient to process and easy to implement, and has high innovativeness.
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Description

Technical Field

[0001] The utility model belongs to the technical field of cosmetic tools and relates to a cosmetic brush, in particular to a safe and environmentally friendly cosmetic brush. Background Art

[0002] A makeup brush is a commonly used makeup tool, usually consisting of a bristle head, an aluminum tube, and a brush handle. The bristle head is fixedly installed inside one end of the aluminum tube by glue, and the brush handle is fixedly installed inside the other end of the aluminum tube by glue.

[0003] In the existing technology, glue is an indispensable component as the adhesive for fixing the bristles, aluminum tube and brush handle. However, during use, the ingredients in cosmetics, such as essential oils, will react with the glue, posing a risk of diluting harmful ingredients to the body. In addition, the bristles, aluminum tube and brush handle are made of different materials. When recycling, they need to be disassembled first and then classified for recycling, which is inconvenient.

[0004] In view of this, the utility model designs a cosmetic brush which is safe, reliable, environmentally friendly and easy to recycle. Summary of the Invention

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and to provide a cosmetic brush that is safe, reliable, environmentally friendly, easy to recycle, convenient to process, and easy to manufacture.

[0006] The utility model solves the technical problem by adopting the following technical solutions:

[0007] A safe and environmentally friendly cosmetic brush includes a bristle head and a brush handle, characterized in that the brush handle is a hollow structure, with the bristle head extending from the front end of the brush handle installed therein, and further includes a bottom pressure cap, which is inserted into the rear end of the brush handle. The bristle head, brush handle and bottom pressure cap are connected as a whole by ultrasonic welding.

[0008] Moreover, the hair head is a structure with a chassis formed by hot melting at the bottom.

[0009] Moreover, the brush handle is a sleeve-shaped structure with front and back openings, a convex eave is provided on the inner wall of the front end of the sleeve-shaped structure, and a boss is provided on the inner wall of the rear end of the sleeve-shaped structure;

[0010] The bottom pressure cap is a structure with an open front end and a pressing bottom plate at the rear end. A bristle head extending from the end portion is installed at the front end of the brush handle. The chassis of the bristle head is limited on the convex edge of the brush handle. The bottom pressure cap is mounted on the rear end of the brush handle. The front end of the bottom pressure cap is pressed onto the chassis of the bristle head, and the pressing bottom plate of the bottom pressure cap is limited on the boss of the brush handle.

[0011] Moreover, the bristles, the brush handle and the bottom pressing cap are made of polybutylene terephthalate material.

[0012] The utility model discloses the advantages and positive effects are:

[0013] 1. The safe and environment-friendly cosmetic brush uses glue-free assembly mode, and is more matched with the diversified popular trend of cosmetic formula on the market.

[0014] The cosmetic brush is made of PBT of the same material, convenient for recycling and reuse, without the need of disassembly and recycling, effectively improving the recycling rate of plastic waste, embodying the recycling economic concept of "reduction, reuse and resource", and being helpful for plastic pollution control, promoting recycling economy, realizing resource saving and environmental protection.

[0015] 2. The utility model discloses the design is scientific and reasonable, has the advantages of being beneficial to environmental protection, convenient for recycling, convenient for processing and easy to realize, and is a safe and environment-friendly cosmetic brush with high innovation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the utility model;

[0017] Figure 2 It is a structure schematic view of the bristles of the utility model;

[0018] Figure 3 It is a structure schematic view of the brush handle of the utility model;

[0019] Figure 4 It is a structure schematic view of the bottom pressing cap of the utility model;

[0020] Figure 5 It is a structure schematic view of the assembly of the bristles, the brush handle and the bottom pressing cap of the utility model;

[0021] Figure 6 It is a structure schematic view of the assembly of the bottom pressing cap and the brush handle bottom of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1-bristles, 2-brush handle, 3-bottom pressing cap, 4-bottom disc, 5-convex eaves, 6-convex table, 7-pressing bottom plate. DETAILED DESCRIPTION

[0024] The embodiments of the utility model are further described in detail as follows in combination with the drawings:

[0025] Embodiment 1

[0026] A safe and environmentally friendly cosmetic brush comprises a bristle head 1 and a brush handle 2. The innovation thereof lies in that the bristle head is a structure with a chassis 4 formed by hot-melt molding at the bottom, the brush handle is a sleeve-shaped structure with front and rear openings, a convex eave 5 is provided on the inner wall of the front end of the sleeve-shaped structure, and a boss 6 is provided on the inner wall of the rear end of the sleeve-shaped structure. The brush also comprises a bottom pressing cap 3, which is a structure with a front end opening and a pressing bottom plate 7 provided at the rear end. A bristle head extending from the end thereof is installed at the front end of the brush handle, the chassis of the bristle head is limited on the convex eave of the brush handle, and the bottom pressing cap is mounted on the rear end of the brush handle, the front end of the bottom pressing cap is pressed onto the chassis of the bristle head, the pressing bottom plate of the bottom pressing cap is limited on the boss of the brush handle, and the bristle head, brush handle and bottom pressing cap are connected as one by ultrasonic welding.

[0027] The bristle head, the brush handle and the bottom pressure cap are all made of polybutylene terephthalate (PBT) material.

[0028] The molding steps of this safe and environmentally friendly cosmetic brush are as follows:

[0029] First, after the hair is made into the desired shape, the roots of the hair are pressurized and heated to melt and bond together to form a whole hair head, with the bottom forming a chassis;

[0030] Then, put the bristle head into the rear end of the brush handle, extend the front end of the bristle head from the front end of the brush handle, and clamp the bottom plate of the bristle head on the convex edge of the brush handle;

[0031] Then insert the bottom pressure cap from the rear end of the brush handle so that the front end of the bottom pressure cap is pressed on the bottom plate of the bristle head and the rear end of the bottom pressure cap is clamped on the boss of the brush handle;

[0032] Finally, the bristle head, bottom pressure cap and brush handle are welded into one by ultrasonic welding.

[0033] Example 2

[0034] A safe and environmentally friendly cosmetic brush, the bottom of the bristle head of which is hot-melt into a tapered structure, and the interior of the brush handle has a structure with a gradually decreasing diameter from back to front. The bristle head is inserted from the bottom of the brush handle and extends from the front end of the brush handle. A bottom pressure cap is installed at the rear end of the brush handle to block its opening. After assembly, the bristle head, bottom pressure cap and brush handle are integrated by ultrasonic welding.

[0035] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will understand that various replacements, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A safe and environmentally friendly cosmetic brush, comprising a bristle head and a brush handle, characterized in that: The brush handle is a hollow structure, with a bristle head extending from the inside installed at the front end of the brush handle, and also includes a bottom pressure cap, and a bottom pressure cap is inserted at the rear end of the brush handle. The bristle head, brush handle and bottom pressure cap are connected as a whole by ultrasonic welding.

2. A safe and environmentally friendly cosmetic brush according to claim 1, characterized in that: The hair head is a structure with a chassis formed by hot melting at the bottom.

3. The safe and environmentally friendly cosmetic brush according to claim 2, characterized in that: The brush handle is a sleeve-shaped structure with front and back openings, a convex eave is provided on the inner wall of the front end of the sleeve-shaped structure, and a boss is provided on the inner wall of the rear end of the sleeve-shaped structure; The bottom pressure cap is a structure with an open front end and a pressing bottom plate at the rear end. A bristle head extending from the end portion is installed at the front end of the brush handle. The chassis of the bristle head is limited on the convex edge of the brush handle. The bottom pressure cap is mounted on the rear end of the brush handle. The front end of the bottom pressure cap is pressed onto the chassis of the bristle head, and the pressing bottom plate of the bottom pressure cap is limited on the boss of the brush handle.

4. The safe and environmentally friendly cosmetic brush according to claim 1, characterized in that: The bristle head, the brush handle and the bottom pressure cap are all made of polybutylene terephthalate material.