Electric brush head of rubber-coated brush with bristles distributed in cat-claw shape

With its cat-paw-shaped bristles and fully enclosed soft rubber design, the electric toothbrush head solves the problems of tooth damage, poor cleaning, and unstable connection associated with traditional electric toothbrushes, achieving efficient and safe oral cleaning.

CN224039379UActive Publication Date: 2026-03-27GUANGDONG YINGXIN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Traditional electric toothbrush replacement heads have problems such as damage to teeth and gums due to hard plastic materials, poor cleaning effect due to unreasonable bristle distribution, poor connection stability, and insufficient tongue cleaning.

Method used

Featuring a cat-paw-shaped bristle design, combined with a fully enclosed soft rubber structure and multiple secure connection methods, this brush head ensures precise coverage and protection of teeth during vibration, enhancing cleaning effectiveness. It also achieves comprehensive oral cleaning through a circular tongue scraper.

Benefits of technology

It significantly improves the efficiency of removing tooth stains and plaque, reduces the risk of tooth discomfort and damage, ensures stable power transmission, and provides a comprehensive oral care experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electric brush head of a rubber-coated brush with bristles distributed in a cat-claw shape, which relates to the field of electric toothbrushes and comprises a brush handle, a brush plate is arranged at one end of the brush handle, a tail plug is arranged at the other end of the brush handle, a bristle planting surface is arranged on the front side of the brush plate, 18 bristle planting holes are arranged on the bristle planting surface, and the bristle planting holes are communicated with the tail plug. The plurality of bristle planting holes are arranged in an oval shape, and bristles are mounted and connected in the plurality of bristle planting holes; the 18 hair planting holes in the hair planting face are divided into three areas, the first to sixth hair planting holes are front areas, and the seventh to twelfth hair planting holes are middle areas. According to the tooth brush, through the unique bristle implanting hole distribution design combining the cat-claw shape and the transverse radiation shape, the brush bristles can more accurately cover all surfaces of teeth in the vibration process, including parts difficult to clean such as tooth slits, tooth surfaces and gingival edges, the removal efficiency of tooth dirt and dental plaque is remarkably improved, and the tooth brush has the advantages of being simple in structure and convenient to use. Compared with a traditional brush wire arrangement mode, the cleaning effect is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric toothbrush field especially relates to a kind of rubber-coated brush electric brush head with cat paw shape distribution bristle. BACKGROUND

[0002] In the field of oral care, the use of electric toothbrush is increasingly popular, and people's requirements for the performance and comfort of electric toothbrush replacement heads are also increasingly high. The traditional electric toothbrush replacement head has many deficiencies in design.

[0003] Firstly, the brush head part usually adopts a single hard rubber material. During use, due to the high-frequency vibration of the brush head, it is easy to directly impact the teeth and gums, causing the user to feel obvious discomfort, and it may even cause damage to the teeth and gums to some extent. Long-term use may also cause tooth sensitivity and other problems.

[0004] Secondly, the distribution of the bristles is relatively conventional, and the cleaning potential of the bristles cannot be fully utilized. For some difficult-to-clean parts of the tooth surface, such as the tooth gap and the gum edge, the cleaning effect is not ideal, and it is difficult to meet the needs of consumers for efficient cleaning.

[0005] Thirdly, the connection stability of the replacement head and the electric toothbrush main machine needs to be improved. Some replacement heads are prone to loosen after a period of use, which not only produces noise but also affects the effective transmission of power, reduces the effect of brushing, and even may cause the replacement head to accidentally come off during use, causing inconvenience and safety hazards to the user.

[0006] In addition, the traditional replacement head often does not pay enough attention to the cleaning function of tongue coating, and bacteria and odor are easy to breed on the tongue coating. If it is not cleaned in time, it will affect the overall oral hygiene and breath freshening.

[0007] Therefore, it is necessary to provide a new rubber-coated brush electric brush head with cat paw shape distribution bristle to solve the above technical problems. SUMMARY

[0008] To solve the above technical problems, the utility model provides a rubber-coated brush electric brush head with cat paw shape distribution bristle.

[0009] The utility model provides a kind of rubber-coated brush electric brush head with cat paw shape distribution bristle comprising: brush handle, the one end of the brush handle is equipped with brush plate, the front of the brush plate is equipped with planting face, 18 planting holes are equipped on the planting face, multiple the planting hole is elliptical arrangement, multiple the planting hole is equipped with bristle and is connected;18 planting holes on the planting face are divided into three regions, three the region is composed by front area, middle area and rear area, the multiple planting holes of the front area are cat paw type, the multiple planting holes of the middle area are horizontal radial structure, the multiple planting holes of the rear area form a cat paw type, the front area and rear area are symmetrically arranged with middle area as center.

[0010] Preferably, the outer part of the brush plate is provided with a soft glue part, the soft glue part is fixed on the outer part of the brush plate by injection molding, the two sides of the soft glue part are symmetrically provided with a buffer rubber pad, the back of the soft glue part is designed in a streamline shape, and the back of the soft glue part is provided with a strip-shaped annular tongue-shaped scraper.

[0011] Preferably, the brush plate is provided with a soft glue position, and the soft glue part is installed at the soft glue position.

[0012] Preferably, the back of the planting face is provided with a reinforcing rib.

[0013] Preferably, the center of the tail plug is a mounting hole, the side of the mounting hole is a spring piece, one end of the tail plug is provided with a fixed positioning connecting surface, the top end of the fixed positioning connecting surface is provided with a convex angle, the spring piece is provided with a anti-drop piece, one end of the tail plug is provided with a ring bone, and the inner side wall of the mounting hole is provided with a flat surface.

[0014] Preferably, the tail end of the brush handle is a hollow section, the tail plug mounting position is provided in the hollow section, the tail plug is installed in the tail plug mounting position, the tail plug mounting position is provided with a protruding buckle position, the protruding buckle position is connected with the ring bone on the tail plug, and the top end of the tail plug mounting position is provided with a flat surface.

[0015] Compared with the related art, the utility model provides a kind of rubber-coated brush electric brush head with cat paw shape distribution bristle with the following beneficial effects:

[0016] 1. The utility model discloses a unique catpaw type and transverse radiation shape combined bristle hole distribution design, which can more accurately cover each surface of teeth, including interdental space, tooth surface and gum edge and other difficult-to-clean parts during the vibration process, significantly improves the removal efficiency of tooth dirt and plaque, and greatly improves the cleaning effect compared with the traditional bristle arrangement mode, better maintains oral health, prevents the occurrence of oral diseases, the half-moon or S line shape design of the bristle top further increases the contact area with teeth, enhances the friction force on the tooth surface, so that under the same vibration frequency, the dirt on the teeth can be more effectively removed, and a more thorough cleaning experience is provided for the user.

[0017] 2. The utility model discloses a full-soft rubber design, which is a highlight, the soft rubber part is tightly wrapped outside the brush plate through injection molding, effectively isolates the direct contact between the hard rubber part and the oral cavity, greatly reduces the impact force of the brush head vibration on the teeth and gums, avoids the tooth discomfort and gum damage caused by strong vibration, and brings a more comfortable and gentle tooth brushing experience to the user. The buffer rubber pad on both sides of the soft rubber further enhances the protection of the oral soft tissue. Even if accidental collision occurs during tooth brushing, the impact force can be effectively buffered, the potential damage risk to the oral tissue is reduced, and the use safety of the product is improved.

[0018] 3. The utility model discloses a plurality of stable connection structures between the tail plug and the brush handle, such as protruding buckle positions, fixed bones and fixed positioning planes. These structures cooperate with each other to ensure the firm installation of the tail plug on the brush handle, avoid loosening in the left-right or up-down direction during use, effectively prevent the vibration sound caused by loosening, ensure that the main machine power can be stably and efficiently transmitted to the brush head, so that the bristles can continuously and stably vibrate at high frequency, thereby ensuring the consistency and reliability of the tooth brushing effect.

[0019] 4. The utility model discloses a streamlined design on the back of the soft rubber part, which makes the movement in the oral cavity more smooth, reduces the resistance during tooth brushing, and improves the operation convenience of the user. At the same time, the 8 annular tongue scraper can clean the tongue coating while brushing teeth, realizes the all-round coverage of oral cleaning, and does not require the user to use a special tongue coating cleaning tool, providing a more convenient and efficient oral care experience for the user, meeting the needs of modern consumers for multifunctional oral care products. DRAWINGS

[0020] Figure 1 The utility model provides a structure schematic drawing of a preferable embodiment;

[0021] Figure 2 The utility model provides a structure schematic drawing of a preferable embodiment;

[0022] Figure 3 As Figure 1 the structure diagram of the brush plate is shown;

[0023] Figure 4 As Figure 2 the structure diagram of the soft glue is shown;

[0024] Figure 5 As Figure 1 the structure diagram of the tail plug is shown;

[0025] Figure 6 As Figure 5 the internal structure diagram of the tail plug is shown;

[0026] Figure 7 As Figure 1 the internal structure diagram of the brush handle is shown.

[0027] Reference numerals in the drawing: 1, brush handle; 2, brush plate; 21, bristle planting surface; 22, bristle planting hole; 3, tail plug; 4, bristle; 5, soft glue part; 51, tongue coating scraper; 52, buffer rubber pad; 6, soft glue position; 7, reinforcing rib; 8, elastic sheet; 81, fixed positioning connecting surface; 811, convex corner; 82, ring bone; 83, flat surface; 84, anti-falling piece; 9, tail plug mounting position; 91, protruding buckle position. DETAILED DESCRIPTION

[0028] The utility model will be further described below in combination with the drawings and embodiments.

[0029] Please refer to Figures 1 to 6 , a cat paw-shaped distribution bristle coated brush electric brush head includes: handle 1, one end of the brush handle 1 is provided with a brush plate 2, the other end of the brush handle 1 is provided with a tail plug 3, the front surface of the brush plate 2 is provided with a bristle planting surface 21, 18 bristle planting holes 22 are arranged on the bristle planting surface 21, the plurality of bristle planting holes 22 are elliptical, and the plurality of bristle planting holes 22 are connected with the bristles 4; the 18 bristle planting holes on the bristle planting surface 21 are divided into three regions, the first to sixth bristle planting holes are the front region, the seventh to twelfth bristle planting holes are the middle region, and the thirteenth to eighteenth bristle planting holes are the rear region; the fourth bristle planting hole is the center of the front region, and the first to sixth bristle planting holes form a cat paw type; the middle region is a horizontal radial structure, the thirteenth to eighteenth bristle planting holes form a cat paw type with the fifteenth bristle planting hole as the center, and the front region and the rear region are symmetrically arranged with the middle region as the center.

[0030] In the specific implementation process, as Figure 1 and Figure 2 shown, the outside of the brush plate 2 is provided with a soft glue part 5, the soft glue part 5 is fixed on the outside of the brush plate 2 by injection molding, the two sides of the soft glue part 5 are symmetrically provided with buffer rubber pads 52, the back surface of the soft glue part 5 is designed in a streamline shape, and the back surface of the soft glue part 5 is provided with eight annular tongue coating scrapers 51.

[0031] It should be noted that the hair implantation surface 21 has a total of 18 hair implantation holes, which are divided into three areas: the front area, the middle area, and the back area. Holes 1-6 form the front area, holes 7-12 form the middle area, and holes 13-18 form the back area. The front area forms a cat's paw shape with hole 4 as the center. The middle area has a horizontally radial structure, and the back area also forms a cat's paw shape with hole 15 as the center. The front and back areas are symmetrical about the middle area.

[0032] The cat-paw-shaped pore distribution effectively enhances the cleaning power of the bristles;

[0033] A symmetrical structure can provide the same cleaning force when moving back and forth for cleaning;

[0034] The soft rubber component 5 is fixed to the outside of the brush head by injection molding, so that the hard rubber part no longer comes into direct contact with the oral cavity, reducing vibration stimulation and thus avoiding discomfort caused by the strong vibration of the brush head hitting the teeth. This creates a shock-absorbing effect.

[0035] refer to Figure 1 and Figure 4 As shown, the brush plate 2 has a soft rubber position 6, and the soft rubber part 5 is installed at the soft rubber position 6.

[0036] refer to Figure 4 As shown, the back of the flocked surface 21 is provided with reinforcing ribs 7.

[0037] It should be noted that the back of the bristle-planting surface 21 is provided with reinforcing ribs 7. The reinforcing ribs 7 can strengthen the entire bristle-planting brush plate 2 and prevent the bristle-planting part from being too soft and deformed, thereby affecting the cleaning effect.

[0038] refer to Figure 1 and Figure 5 As shown, the center of the tail plug 3 is the mounting hole, the side of the mounting hole is a spring piece 8, one end of the tail plug 3 is provided with a fixed positioning connecting surface 81, the top of the fixed positioning connecting surface is provided with a protruding corner 811, the spring piece 8 is provided with an anti-detachment piece 84, one end of the tail plug 3 is provided with a ring bone 82, and a flat surface 83 is provided on the inner side wall of the mounting hole.

[0039] It should be noted that: a flat surface 83 is provided on the inner wall of the mounting hole for connection with the main shaft, and the inner wall opposite to the flat surface 83 is hollow.

[0040] The top of the fixed positioning connecting surface is provided with a protruding corner 811, which is used to abut against the hole on the flat surface to prevent it from moving up and down.

[0041] refer to Figure 1 and Figure 6As shown, the tail end of the brush handle 1 is a hollow section, and the hollow section is a tail plug mounting position 9, the tail plug 3 is installed in the tail plug mounting position 9, and the tail plug mounting position 9 is provided with a protruding buckle position 91, and the protruding buckle position 91 is connected with the ring bone 82 on the tail plug 3, and the top end of the tail plug mounting position is provided with a flat position.

[0042] It should be noted that the tail end of the brush handle 1 is a hollow section, and the hollow section is a tail plug mounting position 9 for installing the tail plug 3. The tail plug mounting position 9 is provided with a protruding buckle position 91, and the protruding buckle position 91 is connected with the ring bone 82 of the tail plug 3 to fix the tail plug 3 on the brush handle 1, so that it cannot move left and right and up and down, and the shaking sound caused by loosening is avoided.

[0043] The fixed positioning connecting surface 81 is provided with a flat position, so that it can be connected and fixed with the top end side of the tail plug 3, effectively preventing it from shaking left and right, preventing the shaking sound, and being positioned.

[0044] The middle of the tail plug 3 is a main machine shaft mounting hole for installing the main machine. The side of the mounting hole is a spring piece 8, and the spring piece 8 is provided with a anti-dropping piece 84. The spring piece 8 can be deformed and pop open during installation, so that the anti-dropping piece 84 can be smoothly installed into the clamping groove of the main machine shaft. The brush head is prevented from being shaken and dropped out of the main machine during use.

[0045] The working principle of the rubber-coated brush electric brush head with cat paw-shaped distributed bristles provided by the utility model is as follows: after the tail plug 3 is installed on the electric toothbrush main machine, the main machine transmission shaft is tightly matched with the mounting hole of the tail plug 3, and the rotating power of the transmission shaft is transmitted to the brush handle 1 through the tail plug 3. Since the tail plug 3 and the tail plug mounting position 9 at the tail end of the brush handle 1 are stably connected through the protruding buckle position 94 structure, loosening or displacement does not occur in the power transmission process, the shaking sound caused by loosening is effectively avoided, and efficient energy transmission is ensured.

[0046] On the brush plate 2 at the top end of the brush handle 1, 18 oval-shaped bristle planting holes 22 of the bristle planting surface 21 are arranged according to specific regions, that is, the front region forms a cat paw type with the fourth bristle planting hole as the center, the middle region is in a horizontal radial structure, and the rear region forms a cat paw type with the fifteenth bristle planting hole as the center and the front region and the rear region are symmetrical with the middle region as the center. This unique bristle planting hole arrangement mode enables the implanted bristles to more comprehensively and efficiently cover the tooth surface when the bristles vibrate at a high frequency, and the bristles in different regions cooperate with each other to provide balanced and powerful cleaning force for each part of the tooth.

[0047] The top end of the bristle 4 is designed in a half-moon shape or S-line shape, which increases the contact surface with the tooth and further improves the cleaning effect. In the use process, the bristles vibrate at a high frequency, and cooperate with the special shape and distribution to effectively remove the dirt and plaque on the tooth surface.

[0048] Meanwhile, the soft glue member 5 wrapped outside the brush head is fixed on the outside of the brush plate 2 by injection molding, which not only avoids the hard glue part from directly contacting the oral cavity and reducing the vibration stimulation, but also provides additional buffer protection through the buffer rubber pads 52 on both sides of the soft glue member 5 to prevent the brush head from causing discomfort or damage to the soft tissue of the oral cavity during use. The streamlined design on the back of the soft glue member 51 makes it more smooth to move in the oral cavity, and the 8 annular tongue scraping bars 51 arranged thereon can clean the tongue coating while brushing teeth, thereby maintaining the overall cleanliness of the oral cavity.

[0049] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process conversion according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An encapsulated brush electric brush head having cat's paw shaped distribution of bristles, characterized in that, Include: The brush handle, one end of the brush handle is provided with brush plate, the other end of the brush handle is provided with tail plug, the front surface of the brush plate is provided with the hair planting surface, a plurality of hair planting holes are arranged on the hair planting surface, a plurality of the hair planting holes are elliptical, and a plurality of the hair planting holes are connected with the brush hair; The plurality of hair planting holes on the hair planting surface are divided into three regions, the three regions are composed of front region, middle region and rear region, the plurality of hair planting holes in the front region are cat paw type, the plurality of hair planting holes in the middle region are transverse radial structure, the plurality of hair planting holes in the rear region form a cat paw type, and the front region and the rear region are symmetrically arranged with the middle region as the center.

2. A brush head of the encapsulated brush electric toothbrush with cat's paw-shaped distribution of the bristles according to claim 1, characterized in that, The outer part of the brush plate is provided with a soft rubber part, the soft rubber part is fixed on the outer part of the brush plate by injection molding, the two sides of the soft rubber part are symmetrically provided with buffer rubber pads, the back of the soft rubber part is designed in streamline, and the back of the soft rubber part is provided with a strip annular tongue.

3. A brush head of the encapsulated brush electric toothbrush with cat's paw shaped distribution of the bristles according to claim 2, characterized in that, The brush plate is provided with a soft rubber position, and the soft rubber part is installed at the soft rubber position.

4. A brush head of the encapsulated brush electric toothbrush with cat's paw shaped distribution of the bristles according to claim 1, characterized in that, The back of the hair planting surface is provided with a reinforcing rib.

5. A brush head of the encapsulated brush electric toothbrush with cat's paw shaped distribution of the bristles according to claim 1, characterized in that, The center of the tail plug is provided with a mounting hole, the side of the mounting hole is a spring piece, one end of the tail plug is provided with a fixed positioning connecting surface, the top end of the fixed positioning connecting surface is provided with a convex angle, the spring piece is provided with a anti-off piece, one end of the tail plug is provided with a ring bone, and the inner side wall of the mounting hole is provided with a flat surface.

6. A brush head of the encapsulated brush electric toothbrush with cat's paw shaped distribution of the bristles according to claim 1, characterized in that, The tail end of the brush handle is a hollow segment, the tail plug mounting position is arranged in the hollow segment, the tail plug is installed in the tail plug mounting position, the tail plug mounting position is provided with a protruding buckle position, the protruding buckle position is connected with the ring bone on the tail plug, and the top end of the tail plug mounting position is provided with a flat surface.