Novel toothbrush head and toothbrush

By designing a new toothbrush head, combining hair transplant head, brush head bracket and inner shaft structure, the problem of limited selection range and low universality of toothbrush head is solved, and the effects of stable connection, low noise and high universality are achieved.

CN119423481APending Publication Date: 2025-02-14SHENZHEN BAOLIJIE TECH CO LTD
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Patent Information

Application Number
CN202510002241.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-02-14

AI Technical Summary

Technical Problem

The limited selection range of toothbrush heads for existing toothbrush handles has led to a significant reduction in the selection range of consumers when replacing toothbrush heads. Due to the iteration of production models, some toothbrush head models are no longer produced, resulting in less universality.

Method used

A new type of toothbrush head is designed, including a first cavity provided at one end of the toothbrush head, a hair transplanting head and a brush head support are provided, and a notch and a slope are provided on the brush head support, combining the first inner shaft, the second inner shaft and the spring The structure of the system achieves stable connection and flexible rotation.

Benefits of technology

It realizes stable and reliable connection of the toothbrush head, reduces operating noise, provides a better consumer experience, and improves the universality of the toothbrush head, adapting to various styles of toothbrush handles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The novel toothbrush head comprises a toothbrush head body, a first cavity is formed in one end of the toothbrush head body, a bristle planting head is arranged in the first cavity, a brush head support is arranged below the bristle planting head and located in the first cavity, and a notch is formed in the brush head support; a first inner shaft is arranged on one side of the brush head support, and a second inner shaft is arranged at one end of the first inner shaft; first protrusions are arranged on the two sides of one end of the first inner shaft, a first groove is formed in one end of the second inner shaft, third through holes are formed in the two ends of the first groove respectively, one end of the first inner shaft is located in the first groove, and the first protrusions are located in the third through holes. And a spring is arranged at the joint of the first inner shaft and the second inner shaft in a sleeving manner. According to the novel toothbrush head and the toothbrush, connection is stable and reliable, operation noise is low, and good consumption experience is provided.
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Description

Technical Field

[0001] The invention relates to the field of toothbrushes, and in particular to a novel toothbrush head and a toothbrush. Background Art

[0002] There are various styles of toothbrush handles on the market, but the range of toothbrush heads available for most toothbrush handles is limited and has low universality. For consumers, the range of choices when they need to replace toothbrush heads is greatly reduced. In addition, due to the iteration of production models, some toothbrush head models are no longer produced by manufacturers. Therefore, it is necessary to design a toothbrush head with higher universality to increase the range of choices for consumers and adapt to various styles of toothbrush handles. Summary of the invention

[0003] The purpose of the present invention is to provide a new type of toothbrush head and toothbrush, which have stable and reliable connection, low operating noise, and provide a good consumer experience.

[0004] To achieve the above object, the present invention provides a new type of toothbrush head, including a toothbrush head, one end of which is provided with a first cavity, a hair-planting head is provided in the first cavity, a brush head bracket is provided below the hair-planting head and is located in the first cavity, and a notch is provided on the brush head bracket; A first inner shaft is disposed on one side of the brush head bracket, and a second inner shaft is disposed on one end of the first inner shaft; First protrusions are provided on both sides of one end of the first inner shaft, a first groove is provided at one end of the second inner shaft, third through holes are provided at both ends of the first groove, one end of the first inner shaft is located in the first groove, the first protrusion is located in the third through hole, and a spring is sleeved at the connection between the first inner shaft and the second inner shaft.

[0005] Preferably, a first contact ring is provided on the upper surface of the brush head holder, and a second contact ring is provided on the lower surface thereof, a first inclined surface is provided on one side of the first contact ring, and a second inclined surface is provided on one side of the second contact ring, and the bristle implantation head and the brush head holder are in contact at the first contact ring, the second contact ring, the first inclined surface, and the second inclined surface.

[0006] Preferably, a first limit block is provided at one end of the hair implanting head, a positioning column is provided on the first limit block, a connecting column is provided on the first inner shaft, a positioning hole is provided in the connecting column, and the positioning column is located in the positioning hole.

[0007] Preferably, the brush head is provided with a first through hole connected with the first cavity, the brush head bracket is provided with a second through hole, head nails are provided in the first through hole and the second through hole, and second limit blocks are provided on both sides of the brush head bracket.

[0008] Preferably, a hair transplanting head base is provided at the other end of the hair transplanting head, a first sleeve is provided between the hair transplanting head base and the first limit block, a center nail is provided in the first sleeve, a fourth through hole is provided on the brush head bracket, the first sleeve is located in the fourth through hole, and a second sleeve is provided at the other end of the center nail on the bottom surface of the first cavity.

[0009] Preferably, a tail cover is provided at one end of the brush head, a buckle position is provided on the tail cover, and the buckle position is a cantilever structure.

[0010] Preferably, a third limiting block is arranged on the outer side of the first sleeve, a limiting groove is arranged on one side of the fourth through hole, and the third limiting block is located in the limiting groove.

[0011] Preferably, a third inclined surface is provided at one end of the second inner shaft.

[0012] Preferably, the first cavity is located on one side of the second cavity, the first cavity is connected to the second cavity, and the first inner shaft and the second inner shaft are located in the second cavity.

[0013] A toothbrush comprises a novel toothbrush head.

[0014] Therefore, the present invention adopts the above-mentioned novel toothbrush head and toothbrush, and the technical effects are as follows: (1) The first slope, the second slope and the third slope can reduce the generation of operating noise during use.

[0015] (2) The structure formed by the first inner shaft, the second inner shaft and the spring enables the spring to perform piston reciprocating motion. After being subjected to force, the spring is compressed and then rebounds to provide reverse thrust.

[0016] (3) After the first inner shaft and the second inner shaft are assembled from the side, the first protrusion on the first inner shaft is assembled into the third through hole of the second inner shaft, which can play the role of fixing the center and can rotate. This structure can reduce damage to the gums when brushing teeth. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of a novel toothbrush head of the present invention; Figure 2 It is a structural diagram of the first inner shaft and the second inner shaft; Figure 3 It is a structural diagram of the brush head bracket and the hair transplanting head; Figure 4 The structure diagram of the brush head bracket Figure 5 This is a schematic diagram of the tail cover; Figure 6 This is a partial structural diagram of a toothbrush head.

[0018] Reference numerals 1. Toothbrush head; 2. Bristle head; 3. Brush head bracket; 4. First inner shaft; 5. Second inner shaft; 6. First protrusion; 7. Spring; 8. First contact ring; 9. Second contact ring; 10. First inclined plane; 11. Second inclined plane; 12. Positioning column; 13. Connecting column; 14. Head pin; 15. Second limit block; 16. Bristle head base; 17. First limit block; 18. First sleeve; 19. Center pin; 20. Second sleeve; 21. Tail cover; 22. Buckle; 23. Third limit block; 24. Limit groove; 25. Third inclined plane. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is further described below through the accompanying drawings and embodiments.

[0020] Unless otherwise defined, technical or scientific terms used in the present invention shall have the common meanings understood by one having ordinary skills in the field to which the present invention belongs.

[0021] Embodiment 1 A novel toothbrush head 1 comprises a toothbrush head 1, a first cavity is arranged at one end of the toothbrush head 1, a bristle head 2 is arranged in the first cavity, a brush head holder 3 is arranged below the bristle head 2 and is located in the first cavity, a notch is arranged on the brush head holder 3 to facilitate the installation of the bristle head 2, and the brush head holder 3 has a notch design with a rotation angle and can be rotated 83°, thereby increasing flexibility and coverage when brushing teeth.

[0022] A first inner shaft 4 is disposed on one side of the brush head bracket 3, and a second inner shaft 5 is disposed on one end of the first inner shaft 4; the first cavity is located on one side of the second cavity, the first cavity is connected to the second cavity, and the first inner shaft 4 and the second inner shaft 5 are located in the second cavity. The toothbrush head 1 wraps around the first inner shaft 4 and the second inner shaft 5.

[0023] First protrusions 6 are provided on both sides of one end of the first inner shaft 4, a first groove is provided at one end of the second inner shaft 5, third through holes are provided at both ends of the first groove, one end of the first inner shaft 4 is located in the first groove, the first protrusion 6 is located in the third through hole, and a spring 7 is sleeved at the connection between the first inner shaft 4 and the second inner shaft 5.

[0024] After the first inner shaft 4 and the second inner shaft 5 are assembled from the side, the first protrusion 6 on the first inner shaft 4 is assembled into the third through hole of the second inner shaft 5, which can play the role of fixing the center and can rotate.

[0025] The first inner shaft 4 and the second inner shaft 5 are linked to convert the circular motion of the brush head: the force transmission balance motion does not hurt the gums, the large angle rotation has a good cleaning effect, and the handle is driven by power to make A first contact ring 8 is provided on the upper surface of the brush head bracket 3, and a second contact ring 9 is provided on the lower surface thereof. A first inclined surface 10 is provided on one side of the first contact ring 8, and a second inclined surface 11 is provided on one side of the second contact ring 9. The implanted hair head 2 and the brush head bracket 3 are in contact at the first contact ring 8 and the second contact ring 9. A third inclined surface 25 is provided at one end of the second inner shaft 5. The first inclined surface 10, the second inclined surface 11 and the third inclined surface 25 can reduce the generation of operating noise during use.

[0026] The contact surface between the hair implanting head 2 and the brush head support 3 is designed as a small local contact, which is specifically embodied in the first contact point and the second contact point.

[0027] A first limit block 17 is disposed at one end of the hair implanting head 2, a positioning column 12 is disposed on the first limit block 17, a connecting column 13 is disposed on the first inner shaft 4, a positioning hole is disposed in the connecting column 13, and the positioning column 12 is located in the positioning hole.

[0028] The brush head is provided with a first through hole connected to the first cavity, the brush head bracket 3 is provided with a second through hole, the first through hole and the second through hole are provided with head pins 14, and the two sides of the brush head bracket 3 are provided with second limit blocks 15. The hair transplanting head 2 is assembled into the second sleeve 20 at the bottom of the hair transplanting head 2 by inserting the center pin 19 from the side, and then the assembled hair transplanting head 2 and the center pin 19 are pressed together into the second through hole of the toothbrush head 1 and the head pin 14 is driven.

[0029] The head nail 14 and the center nail 19 cooperate with each other to fix the brush head bracket 3 and the bristle implanting head 2 on the toothbrush head 1.

[0030] A hair transplantation head base 16 is provided at the other end of the hair transplantation head 2, a first sleeve 18 is provided between the hair transplantation head base 16 and the first limit block 17, a center pin 19 is provided in the first sleeve 18, a fourth through hole is provided on the brush head bracket 3, the first sleeve 18 is located in the fourth through hole, and a second sleeve 20 is provided at the other end of the center pin 19 on the bottom surface of the first cavity.

[0031] A tail cover 21 is provided at one end of the brush head, and a buckle position 22 is provided on the tail cover 21. The buckle position 22 is a cantilever structure, which is convenient for users to hold and disassemble.

[0032] A third limiting block 23 is disposed on the outside of the first sleeve 18 , a limiting groove 24 is disposed on one side of the fourth through hole, and the third limiting block 23 is located in the limiting groove 24 , which is convenient for limiting the position of the hair implanting head 2 and the brush head bracket 3 when rotating.

[0033] A toothbrush comprises a novel toothbrush head 1.

[0034] The assembly process of the toothbrush head 1 is as follows: Fix the toothbrush head 1 on the fixture, insert the bristle head 2 into the brush head bracket 3, and assemble the center pin 19 into the center hole at the bottom of the bristle head 2. After the bristle head 2, the brush head bracket 3 and the center pin 19 are assembled, they are a component for standby use; insert the first inner shaft 4 into the slot of the second inner shaft 5, and then install the spring 7 from the top of the first inner shaft 4 to the bottom. After that, the spring 7, the first inner shaft 4 and the second inner shaft 5 are assembled into an inner shaft component; Then, the inner shaft assembly consisting of the spring 7, the first inner shaft 4 and the second inner shaft 5 is installed as a whole from the bottom of the toothbrush head 1 to the upper opening. The inner shaft assembly is positioned through the positioning hole on the toothbrush head 1, and then the bristle head 2, the brush head bracket 3 and the center nail 19 are pressed downward from the upper opening of the toothbrush head 1 for assembly. After completion, the head nail 14 is installed into the circular hole on the top of the toothbrush head 1 and finally the tail cover 21 is installed into the lower end of the toothbrush head 1 to complete the assembly.

[0035] Therefore, the present invention adopts the above-mentioned new toothbrush head and toothbrush, which have stable and reliable connection, low operating noise, and provide a good consumer experience.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A new toothbrush head, characterized in that: It comprises a toothbrush head, wherein a first cavity is arranged at one end of the toothbrush head, a hair implantation head is arranged in the first cavity, a brush head bracket is arranged below the hair implantation head and is located in the first cavity, and a notch is arranged on the brush head bracket; A first inner shaft is disposed on one side of the brush head bracket, and a second inner shaft is disposed on one end of the first inner shaft; First protrusions are provided on both sides of one end of the first inner shaft, a first groove is provided at one end of the second inner shaft, third through holes are provided at both ends of the first groove, one end of the first inner shaft is located in the first groove, the first protrusion is located in the third through hole, and a spring is provided at the connection between the first inner shaft and the second inner shaft.

2. A new toothbrush head according to claim 1, characterized in that: A first contact ring is arranged on the upper surface of the brush head holder, and a second contact ring is arranged on the lower surface thereof. A first inclined surface is arranged on one side of the first contact ring, and a second inclined surface is arranged on one side of the second contact ring. The bristle implantation head and the brush head holder are in contact at the first contact ring, the second contact ring, the first inclined surface, and the second inclined surface.

3. A new toothbrush head according to claim 1, characterized in that: One end of the hair implantation head is provided with a first limit block, and the first limit block is provided with 00 A positioning column, a connecting column is arranged on the first inner shaft, a positioning hole is arranged in the connecting column, and the positioning column is located in the positioning hole.

4. A new toothbrush head according to claim 1, characterized in that: The brush head is provided with a first through hole communicating with the first cavity, the brush head bracket is provided with a second through hole, head nails are provided in the first through hole and the second through hole, and second limit blocks are provided on both sides of the brush head bracket.

5. A new toothbrush head according to claim 3, characterized in that: A hair transplanting head base is provided at the other end of the hair transplanting head, a first sleeve is provided between the hair transplanting head base and the first limit block, a center nail is provided in the first sleeve, a fourth through hole is provided on the brush head bracket, the first sleeve is located in the fourth through hole, and a second sleeve is provided at the other end of the center nail on the bottom surface of the first cavity.

6. A new toothbrush head according to claim 1, characterized in that: A tail cover is arranged at one end of the brush head, a buckle position is arranged on the tail cover, and the buckle position is a cantilever structure.

7. A new toothbrush head according to claim 5, characterized in that: A third limiting block is arranged on the outer side of the first sleeve, a limiting groove is arranged on one side of the fourth through hole, and the third limiting block is located in the limiting groove.

8. A new toothbrush head according to claim 1, characterized in that: A third inclined surface is disposed at one end of the second inner shaft.

9. A new toothbrush head according to claim 1, characterized in that: The first cavity is located at one side of the second cavity, the first cavity is connected to the second cavity, and the first inner shaft and the second inner shaft are located in the second cavity.

10. A toothbrush, characterized in that: A novel toothbrush head comprising any one of claims 1-9.