Magnetic load-bearing electric toothbrush head

By incorporating a metal counterweight within the electric toothbrush head and encasing it in soft rubber, the problem of insufficient stability in electric toothbrush heads is solved, enhancing stability and inhibiting bacterial growth, thereby improving the user experience and oral health.

CN223958905UActive Publication Date: 2026-03-03GUANGDONG SHUBOSHI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing electric toothbrush heads have insufficient stability when used with the main unit.

Method used

A metal counterweight is incorporated into the electric toothbrush head and encapsulated in a soft rubber layer to enhance the weight and stability of the brush head. Antibacterial or magnetic metal materials are also used to inhibit bacterial growth.

Benefits of technology

It improves the stability of the electric toothbrush head, reduces unstable amplitude and noise, enhances the brushing experience, and inhibits bacterial growth through antibacterial materials, promoting oral health.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a magnetic weight-bearing electric toothbrush head which comprises a brush head part and a connecting rod part, a bristle planting piece is arranged on the front side of the brush head part, bristles are arranged on the bristle planting piece in an embedded mode, a groove is formed in the rear side of the brush head part, a metal weight-bearing piece is arranged in the groove, a soft package rubber is arranged on the rear side of the brush head part, and the connecting rod part is connected with the soft package rubber. The rear side of the brush head part and the metal weight stack are wrapped by the soft rubber coating; the metal weight stack is made of an antibacterial metal material or a magnetic metal material or is formed by compounding the antibacterial metal material and the magnetic metal material; the groove is formed in the brush head part, the metal weight stack is arranged in the groove, and the weight of the brush head part is increased by the metal weight stack, so that the stability is improved and the redundant unstable amplitude is reduced in the process of being matched with the main machine of the electric toothbrush in use, and the amplitude is more stable and controllable. Meanwhile, noise generated when the brush head vibrates can be reduced, and the tooth brushing experience feeling is improved.
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Description

Technical Field

[0001] This utility model relates to the field of electric toothbrush technology, specifically to a magnetically loaded electric toothbrush head. Background Technology

[0002] Electric toothbrushes, as a new type of oral hygiene tool, have become popular among consumers due to their efficient cleaning effect and convenient use. An electric toothbrush mainly consists of two parts: the main unit and the brush head, which can be detached and connected to the main unit.

[0003] In the prior art, utility model patent CN202122411239.6 provides an electric toothbrush head, which includes bristles, connecting soft rubber, and a brush handle. The brush handle includes a first connecting segment and a second connecting segment connected to each other. The end of the second connecting segment away from the first connecting segment is connected to the handle of the electric toothbrush. The first connecting segment is an elastic connecting segment. The connecting soft rubber is connected to the first connecting segment, and the elastic deformation force of the connecting soft rubber is less than that of the first connecting segment. Multiple bristles form bristle bundles, which are connected to the connecting soft rubber at intervals. The first connecting segment transmits the vibration of the electric toothbrush handle to the connecting soft rubber. The bristle bundles can move relative to the first connecting segment through the deformation of the connecting soft rubber, and the relative positions between the multiple bristle bundles can change through the deformation of the connecting soft rubber. This electric toothbrush head has a vibration amplification effect and a relatively gentle scraping effect, improving the cleaning performance and user comfort of the electric toothbrush head.

[0004] In the prior art, utility model patent CN202322335991.6 provides an electric toothbrush head and an electric toothbrush. The electric toothbrush head includes a brush handle, a brush plate, bristles, and a soft rubber body. The brush plate is disposed at one end of the brush handle and is integrally injection molded with the brush handle. The brush plate has a front and a back side opposite each other in the thickness direction, and an outer peripheral surface disposed between the front and back sides. The front side has bristle implantation holes. The bristles are disposed in the bristle implantation holes. The soft rubber body wraps around the back side and at least part of the outer peripheral surface of the brush plate, and is injection molded. The hardness of the soft rubber body is less than the hardness of the brush plate and the brush handle. The soft rubber body has through holes, and at least part of the brush plate is exposed in the through holes. The electric toothbrush head provided by this patent can solve the problem of insufficient bonding between the soft rubber and the hard brush plate in an electric toothbrush head.

[0005] The electric toothbrush heads provided by the two patents mentioned above, as well as the electric toothbrush heads currently in use, are all made of plastic, which is relatively lightweight. However, they suffer from insufficient stability when used with the electric toothbrush main unit and require further improvement. Utility Model Content

[0006] The purpose of this invention is to provide a magnetically loaded electric toothbrush head, which aims to improve the problem of insufficient stability of existing electric toothbrush heads when used with an electric toothbrush main unit.

[0007] This utility model is implemented as follows: A magnetic weighted electric toothbrush head includes a brush head and a connecting rod. A bristle-embedded plate is provided on the front side of the brush head, and bristles are implanted on the bristle-embedded plate. A groove is provided on the rear side of the brush head, and a metal counterweight plate is provided in the groove. A soft adhesive is provided on the rear side of the brush head, and the soft adhesive covers the rear side of the brush head and the metal counterweight plate.

[0008] Furthermore, both the groove and the metal counterweight are in the shape of a flat key, a protrusion is provided in the middle of the groove, and both the metal counterweight and the soft coating are provided with through holes that are adapted to the protrusion and allow the protrusion to pass through.

[0009] Furthermore, the metal counterweight is made of antibacterial metal material, magnetic metal material, or a combination of antibacterial metal material and magnetic metal material.

[0010] Furthermore, the metal counterweight consists of two layers, from the inside out: a first antibacterial metal layer and a magnetic metal layer.

[0011] Furthermore, the metal counterweight consists of a three-layer structure, which, from the inside out, consists of a first antibacterial metal layer, a magnetic metal layer, and a second antibacterial metal layer.

[0012] Furthermore, a snap-fit ​​groove is provided on the front side of the brush head, and the bristle patch is snapped into the snap-fit ​​groove.

[0013] Furthermore, the brush head and the connecting rod are integrally formed, and the brush head, the connecting rod, and the bristle pad are all made of plastic material.

[0014] Furthermore, a snap-fit ​​groove is provided at the end of the connecting rod away from the brush head, and a tail plug is snapped into the snap-fit ​​groove for connecting to the electric toothbrush main unit.

[0015] Furthermore, the lower end of the tail plug is provided with a snap-fit ​​hole for connecting to the electric toothbrush main unit, the lower end of the tail plug is provided with a protruding snap-fit ​​ring, and the lower end of the tail plug is provided with an opening groove communicating with its snap-fit ​​hole. The opening groove passes through the snap-fit ​​ring and is provided with an elastic snap-fit ​​block.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. The brush head of this invention has a groove in which a metal counterweight is placed. The metal counterweight increases the weight of the brush head, thereby increasing stability during use with the electric toothbrush main unit, reducing unnecessary unstable amplitude, and making the swing more stable and controllable. It also reduces noise generated by brush head vibration, improving the brushing experience.

[0018] 2. The brush head of this invention has a soft rubber coating on its rear side, which covers the rear side of the brush head and the metal counterweight. After the metal counterweight is assembled onto the brush head, it is injection molded into a single unit using the soft rubber coating, which effectively prevents the metal counterweight from falling off.

[0019] 3. The metal counterweight of this invention is made of antibacterial metal material, magnetic metal material, or a composite of both. When the metal counterweight is made of antibacterial metal material, this invention can effectively inhibit bacterial growth. When the metal counterweight is made of magnetic metal material, it is more beneficial to the oral environment and dental health. When the metal counterweight is a composite of antibacterial and magnetic metal material, this invention not only better benefits the oral environment and dental health but also effectively inhibits bacterial growth.

[0020] 4. The tail plug of this utility model is provided with a snap-fit ​​ring and an elastic snap-fit ​​block. With the snap-fit ​​ring and the elastic snap-fit ​​block, when this utility model is snapped into connection with the vibration shaft of the electric toothbrush host, the vibration shaft opens the elastic snap-fit ​​block, which makes the connection between the vibration shaft, the tail plug and the connecting rod more secure. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is an exploded structural diagram of the present invention;

[0023] Figure 3 This is a three-dimensional structural diagram of the brush head and connecting rod of this utility model;

[0024] Figure 4 This is the first cross-sectional view of the metal counterweight plate of this utility model;

[0025] Figure 5 This is a second cross-sectional view of the metal counterweight plate of this utility model;

[0026] Figure 6 This is a three-dimensional structural diagram of the tail plug of this utility model.

[0027] In the diagram: 1. Brush head; 101. Groove; 102. Protrusion; 103. Snap-fit ​​groove; 2. Connecting rod; 3. Bristle plate; 4. Brush bristles; 5. Metal counterweight; 501. First antibacterial metal layer; 502. Magnetic metal layer; 503. Second antibacterial metal layer; 6. Soft rubber coating; 7. Tail plug; 701. Snap-fit ​​ring; 702. Elastic snap-fit ​​block. Detailed implementation method:

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details:

[0030] like Figure 1 , Figure 2 and Figure 3 As shown, a magnetically weighted electric toothbrush head includes a brush head 1 and a connecting rod 2. A snap-fit ​​groove 103 is provided on the front side of the brush head 1, in which a bristle implant 3 is snapped. Bristles 4 are embedded in the bristle implant 3. The brush head 1 and the connecting rod 2 are integrally formed, and all three components are made of plastic. A groove 101 is provided on the rear side of the brush head 1, in which a metal counterweight 5 is placed. A soft adhesive 6 is provided on the rear side of the brush head 1, covering the rear side of the brush head 1 and the metal counterweight 5. After the metal counterweight 5 is assembled onto the brush head 1, it is injection molded into a single unit using the soft adhesive 6, effectively preventing the metal counterweight 5 from falling off. The groove 101 of the brush head 1 and the metal counterweight 5 are both flat key-shaped. A protrusion 102 is provided in the middle of the groove 101. Both the metal counterweight 5 and the soft rubber 6 are provided with through holes that are adapted to the protrusion 102 and allow the protrusion 102 to pass through, so that the metal counterweight 5 can be set more firmly.

[0031] In some exemplary embodiments, the metal counterweight 5 is made of a magnetic metal material, which can better benefit the oral environment and dental health.

[0032] In some exemplary embodiments, the metal counterweight 5 is made of an antibacterial metal material, which can effectively inhibit the growth of bacteria.

[0033] In some exemplary embodiments, the metal counterweight 5 is composed of a composite of antibacterial and magnetic metal materials. For example... Figure 4 As shown, the metal counterweight 5 consists of two layers, namely, a first antibacterial metal layer 501 and a magnetic metal layer 502, from the inside out.

[0034] In some exemplary embodiments, the metal counterweight 5 is composed of a composite of antibacterial and magnetic metal materials. For example... Figure 5 As shown, the metal counterweight 5 consists of a three-layer structure, which, from the inside out, are the first antibacterial metal layer 501, the magnetic metal layer 502, and the second antibacterial metal layer 503.

[0035] When the metal counterweight 5 is composed of antibacterial metal material and magnetic metal material, this invention can not only better benefit the oral environment and dental health, but also effectively inhibit the growth of bacteria.

[0036] like Figure 2 and Figure 6 As shown, the end of the connecting rod 2 away from the brush head 1 is provided with a snap-fit ​​groove, in which a tail plug 7 is snapped. The tail plug 7 is used to connect to the electric toothbrush main unit. The lower end of the tail plug 7 is provided with a snap-fit ​​hole for connecting to the electric toothbrush main unit. The lower end of the tail plug 7 is provided with a protruding snap-fit ​​ring 701. The lower end of the tail plug 7 is provided with an opening groove communicating with its snap-fit ​​hole. The opening groove passes through the snap-fit ​​ring 701, and an elastic locking block 702 is provided in the opening groove. With the provision of the snap-fit ​​ring 701 and the elastic locking block 702, when this utility model is snapped into connection with the vibration shaft of the electric toothbrush main unit, the vibration shaft opens the elastic locking block 702, which makes the connection between the vibration shaft, the tail plug 7 and the connecting rod 2 more secure.

[0037] The working principle of this invention is as follows: The brush head 1 of this invention has a groove 101, in which a metal counterweight 5 is disposed. The metal counterweight 5 increases the weight of the brush head 1. This increases stability during use with the electric toothbrush main unit, reduces unnecessary unstable amplitude, and makes the swing more stable and controllable. Simultaneously, it reduces noise generated during brush head vibration, improving the brushing experience.

[0038] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A magnetically loaded electric toothbrush head, comprising a brush head (1) and a connecting rod (2), characterized in that, The front side of the brush head (1) is provided with a bristle implant (3), and bristles (4) are implanted on the bristle implant (3). The rear side of the brush head (1) is provided with a groove (101), and a metal counterweight (5) is provided in the groove (101). The rear side of the brush head (1) is provided with a soft coating (6), and the soft coating (6) covers the rear side of the brush head (1) and the metal counterweight (5).

2. The magnetically loaded electric toothbrush head according to claim 1, characterized in that, The groove (101) and the metal counterweight (5) are both flat key-shaped. A protrusion (102) is provided in the middle of the groove (101). The metal counterweight (5) and the soft rubber (6) are both provided with through holes that are adapted to the protrusion (102) and allow the protrusion (102) to pass through.

3. The magnetically loaded electric toothbrush head according to claim 1, characterized in that, The front side of the brush head (1) is provided with a snap-fit ​​groove (103), and the bristle patch (3) is snapped into the snap-fit ​​groove (103).

4. A magnetically loaded electric toothbrush head according to claim 1, characterized in that, The brush head (1) and the connecting rod (2) are integrally formed, and the brush head (1), the connecting rod (2) and the bristle patch (3) are all made of plastic material.

5. A magnetically loaded electric toothbrush head according to claim 1, characterized in that, The connecting rod (2) has a snap-fit ​​groove at the end away from the brush head (1), and a tail plug (7) is snapped in the snap-fit ​​groove. The tail plug (7) is used to connect to the electric toothbrush host.

6. A magnetically loaded electric toothbrush head according to claim 5, characterized in that, The lower end of the tail plug (7) is provided with a snap-fit ​​hole for connecting to the electric toothbrush host. The lower end of the tail plug (7) is provided with a protruding snap-fit ​​ring (701). The lower end of the tail plug (7) is provided with an opening groove communicating with its snap-fit ​​hole. The opening groove passes through the snap-fit ​​ring (701), and an elastic snap-fit ​​block (702) is provided in the opening groove.

Citation Information

Patent Citations

  • Electric toothbrush head and electric toothbrush

    CN216933572U

  • Electric toothbrush head and electric toothbrush

    CN220554522U