Multi-layer bristle spiral brush head structure and toothbrush

By using a multi-layered spiral brush head structure, the bristles are fixed with metal wires and arranged in a spiral pattern, which solves the problems of large gaps and small contact area of ​​traditional twisted bristle brushes, and achieves more efficient teeth cleaning.

CN223568893UActive Publication Date: 2025-11-21YUANGU HYDRAULIC EQUIP (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202423295972.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-21
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In traditional toothbrush applications, the bristles of a twisted brush have large gaps, a small contact area, low cleaning efficiency, and insufficient cleaning power.

Method used

It adopts a multi-layered spiral brush head structure, with three or more sets of metal wires to fix the bristles, which are arranged in a spiral and fixed by heat bonding to form a dense bristle edge, thereby increasing the contact area with the cleaning surface and the cleaning intensity.

Benefits of technology

It improves the cleaning power and efficiency of the toothbrush, increases the contact area between the bristles and the teeth, and enhances the cleaning effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a spiral brush head structure with multiple layers of bristles, which comprises more than three groups of metal wires which are spirally arranged in parallel along a longitudinal axis, a group of bristles is fixed between two adjacent metal wires, the center of each bristle is vertically connected to the metal wires, and each group of bristles is spirally arranged. The utility model further provides a toothbrush which comprises the multi-layer bristle spiral brush head structure. The spiral brush head structure with the multiple layers of bristles is provided with the more dense bristles, and the problems that a traditional twisted wire brush is single in structure and insufficient in cleaning force, and the contact area between the bristles and a cleaning part is small are solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to toothbrush and its spare part technical field, especially a kind of multilayer bristle spiral brush head structure and toothbrush. BACKGROUND

[0002] Traditional torsion wire brush is made by two metal wires and bristles in the middle are twisted.When torsion wire brush is used in toothbrush brush head and the like, due to the torsion limit of metal wire, there is usually a large gap between two adjacent layers of bristles in the axial direction, so that the bristles have small contact area, low cleaning efficiency and insufficient cleaning strength. SUMMARY

[0003] The utility model aims at above -mentioned problem, provides a kind of multilayer bristle spiral brush head structure.

[0004] The utility model creatively provides a kind of multilayer bristle spiral brush head structure, the multilayer bristle spiral brush head structure includes three groups above and parallel along the longitudinal axis spiral arrangement of metal wire, a group of bristles is fixed between two adjacent metal wires, and the center of each bristle is vertically connected to metal wire and each group of bristles is spiral arrangement.

[0005] Two groups above bristles can form dense bristle edge by three groups above metal wire fixed two groups above bristles, so as to improve the contact area and cleaning strength of brush and cleaning surface.

[0006] In the above-mentioned multilayer bristle spiral brush head structure, each group of metal wire contains one or more metal wires.

[0007] Preferably, each group of metal wire contains two or more parallel arranged metal wires to better support the bristles.

[0008] Preferably, the number of each group of metal wire is the same, and each group of metal wire is aligned with each other.

[0009] In the above-mentioned multilayer bristle spiral brush head structure, the diameter of the metal wire is 0.1-0.2mm.

[0010] Thinner metal wire is used to improve the degree of torsion and reduce the size of the brush head.

[0011] In the above-mentioned multilayer bristle spiral brush head structure, the bristles are made of nylon bristles, PBT bristles, PP bristles or silica gel bristles.

[0012] The multilayer bristle spiral brush head structure provided by the utility model is particularly suitable for soft bristles to provide greater cleaning strength.

[0013] In the above-mentioned multilayer bristle spiral brush head structure, the metal wire is made of steel wire, iron wire, aluminum alloy or titanium alloy.

[0014] In the multi-layer bristle spiral brush head structure, the metal wire and the bristle are adhered to each other.

[0015] In the multi-layer bristle spiral brush head structure, the metal wire and the bristle are adhered to each other by heat adhesion.

[0016] The bristle is fixed by adhering to the metal wire through melting.

[0017] In the multi-layer bristle spiral brush head structure, the two ends of the metal wire are fixed in two fixed seats arranged opposite to each other along the longitudinal axis.

[0018] The fixed seats at the two ends facilitate fixing or limiting the brush head from the two ends, and realize the circumferential rotation of the brush head.

[0019] A toothbrush comprising the multi-layer bristle spiral brush head structure.

[0020] The toothbrush with the multi-layer bristle spiral brush head structure has thicker bristles, and can have greater cleaning force on the teeth, and improve the cleaning efficiency.

[0021] In the toothbrush, two multi-layer bristle spiral brush head structures are arranged, and the longitudinal axes of the two multi-layer bristle spiral brush head structures are parallel to each other and the spiral directions are arranged opposite to each other.

[0022] In the toothbrush, the bristles of the two multi-layer bristle spiral brush head structures overlap in the longitudinal direction.

[0023] Compared with the prior art, the multi-layer bristle spiral brush head structure has the following advantages:

[0024] The multi-layer bristle spiral brush head structure has more dense bristles, and changes the problems of the single traditional twisted wire brush structure, insufficient cleaning force, and small contact area between the bristles and the cleaning part.

[0025] In the utility model, the bristle and the metal wire are fixed by heat adhesion, the bristle is adhered to the metal wire to be fixed, the bristle and the metal wire are connected more closely and easy to process.

[0026] The toothbrush with the multi-layer bristle spiral brush head structure can improve the contact area with the teeth, and improve the cleaning force and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A multi-layer bristle spiral brush head structure provided by the utility model is shown in the figure.

[0028] Figure 2 In the multi-layer bristle spiral brush head structure provided by the utility model, the metal wire and the bristle are shown in the flattened state.

[0029] Figure 3 The utility model provides a toothbrush structure schematic diagram.

[0030] In the drawing, multilayer brush spiral brush head structure 1, wire 2, brush 3, fixed seat 4, toothbrush 5. DETAILED DESCRIPTION

[0031] Further set forth in specific examples;

[0032] The utility model will be further described below in conjunction with specific examples, and it should be understood that these examples are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0033] Example 1

[0034] As Figure 1 It is a kind of multilayer brush spiral brush head structure, and multilayer brush spiral brush head structure 1 includes three groups of parallel along longitudinal axis spiral arrangement wire 2, a group of brush 3 is fixed between adjacent two groups of wire 2, and the center of each brush 3 is vertically connected to wire 2 and each group of brush 3 is arranged in spiral. The two ends of wire 2 are fixed in two fixed seats 4 along the longitudinal axis opposite arrangement.

[0035] As Figure 2 It is the flattened state schematic diagram of wire 2 and brush 3 in multilayer brush spiral brush head structure 1, and in the embodiment, each group of wire 2 includes three wires 2. The diameter of wire 2 is 0.1mm.

[0036] In the embodiment, wire 2 adopts steel wire material, brush 3 adopts nylon brush, wire 2 and brush 3 are pressed and adhered to each other by heat bonding process, and each wire 2 is twisted along the same longitudinal axis by wire twisting device, so that brush 3 presents spiral structure.

[0037] Two groups of brush 3 are fixed by three groups of wire 2, so that the two groups of brush 3 can form relatively dense brush edge, so as to improve the contact area and cleaning strength of brush and cleaning surface.

[0038] Example 2

[0039] The embodiment is basically same as example 1, and the difference is that, in the embodiment, multilayer brush spiral brush head structure 1 includes four groups of parallel along longitudinal axis spiral arrangement wire 2. Each group of wire 2 includes two wires 2. The diameter of wire 2 is 0.2mm. Wire 2 adopts iron wire material, and brush 3 adopts PP brush

[0040] Example 3

[0041] This example is basically the same as example 1, the difference is that in this example, the multi-layer bristle spiral brush head structure 1 comprises three groups of metal wires 2 arranged in parallel along the longitudinal axis. Each group of metal wires 2 contains one metal wire 2. The diameter of the metal wire 2 is 0.15mm. The metal wire 2 is made of aluminum alloy material, and the bristle 3 is made of silica gel bristle

[0042] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0043] Although the terms such as multi-layer bristle spiral brush head structure, metal wire, bristle, fixing seat, toothbrush, etc. are used more frequently in this paper. The use of these terms is only to facilitate the description and explanation of the essence of the present application, and it is contrary to the spirit of the present application to interpret them as any kind of additional limitation.

Claims

1. A multi-layer bristle spiral brush head structure characterized by: The multi-layer bristle spiral brush head structure (1) comprises three or more groups of metal wires (2) arranged in parallel along a longitudinal axis, and a group of bristles (3) is fixed between two adjacent groups of metal wires (2), the center of each bristle (3) is vertically connected to the metal wire (2), and each group of bristles (3) is arranged in a spiral.

2. The multi-layer bristle spiral brush head structure of claim 1, wherein: Each group of metal wires (2) comprises one or more metal wires (2).

3. The multi-layer bristle spiral brush head structure of claim 1, wherein: The diameter of the metal wire (2) is 0.1-0.2 mm.

4. The multi-layer bristle spiral brush head structure of claim 1, wherein: The bristle (3) is made of nylon bristle, PBT bristle, PP bristle or silica gel bristle.

5. The multi-layer bristle spiral brush head structure of claim 1, wherein: The metal wire (2) is made of steel wire, iron wire, aluminum alloy or titanium alloy.

6. The multi-layer bristle spiral brush head structure of claim 1, wherein: The metal wire (2) and the bristle (3) are mutually adhered.

7. The multi-layer bristle spiral brush head structure of claim 6, wherein: The metal wire (2) and the bristle (3) are mutually adhered by heat adhesion.

8. The multi-layer bristle spiral brush head structure of claim 1, wherein: The two ends of the metal wire (2) are respectively fixed in two fixed seats (4) arranged opposite along the longitudinal axis.

9. A toothbrush characterized by: The toothbrush (5) comprises the multi-layer bristle spiral brush head structure (1) according to any one of claims 1-8.

10. A toothbrush according to claim 9 wherein: Two multi-layer bristle spiral brush head structures (1) are included, the longitudinal axis directions of the two multi-layer bristle spiral brush head structures (1) are parallel to each other, and the spiral directions of the two multi-layer bristle spiral brush head structures (1) are arranged opposite to each other.