WO2023216827A1 - Ensemble tête de brosse de brosse à dents électrique et brosse à dents électrique - Google Patents

Ensemble tête de brosse de brosse à dents électrique et brosse à dents électrique Download PDF

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Publication number
WO2023216827A1
WO2023216827A1 PCT/CN2023/089243 CN2023089243W WO2023216827A1 WO 2023216827 A1 WO2023216827 A1 WO 2023216827A1 CN 2023089243 W CN2023089243 W CN 2023089243W WO 2023216827 A1 WO2023216827 A1 WO 2023216827A1
Authority
WO
WIPO (PCT)
Prior art keywords
lock
head
brush head
connecting shaft
electric toothbrush
Prior art date
Application number
PCT/CN2023/089243
Other languages
English (en)
Chinese (zh)
Inventor
叶洪新
Original Assignee
深圳术叶创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳术叶创新科技有限公司 filed Critical 深圳术叶创新科技有限公司
Publication of WO2023216827A1 publication Critical patent/WO2023216827A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like

Definitions

  • the present application relates to the field of daily necessities, and in particular to a brush head assembly of an electric toothbrush and an electric toothbrush.
  • Electric toothbrushes use the rapid rotation or vibration of the electric movement to cause the brush head to generate high-frequency vibrations, which instantly breaks down the toothpaste into fine foam and cleans deeply between the teeth.
  • the vibration of the bristles can promote blood circulation in the mouth and affect the gum tissue. It has a massage effect, and the electric toothbrush head is the most important part of the Diandu toothbrush, which can directly clean the oral cavity.
  • the current electric toothbrush head has basically met people's needs, but there are still the following question.
  • the present utility model proposes a brush head assembly of an electric toothbrush and an electric toothbrush, aiming to solve the technical problems that the brush head and the vibrating rod cannot be quickly installed and materials are wasted.
  • the brush head assembly of the electric toothbrush proposed by the present utility model includes: a brush head and a connecting shaft assembly, and the brush head includes a brush head body and a brushing part, wherein,
  • the brush head body includes a head, a stem and a lock core.
  • the head and the stem are integrally arranged; in the axial direction of the stem, the length of the stem is less than or equal to the head. length, and the maximum width W1 of the cross section of the rod part is smaller than the maximum width W2 of the cross section of the head; a mounting groove is provided on the end surface of the rod part away from the head; the lock core is fixed It is protruding from the peripheral wall surface of the installation groove, and a reversing cavity is formed between it and the bottom wall surface of the installation groove; the lock core is provided with or The lock core and the peripheral wall surface of the installation groove are enclosed with a lock hole; the brushing part is fixedly installed on the head;
  • the connecting shaft assembly includes a connecting shaft, a lock head and a clamping piece,
  • the lock head is fixedly connected to one end of the connecting shaft, and the lock head protrudes from the outer circumferential surface of the connecting shaft; when aligned with the lock hole, the lock head can pass through the axial direction.
  • the lock hole can extend into or exit the reversing cavity, and the lock head can rotate around the axial direction in the reversing cavity;
  • the clamping member is movably mounted on the connecting shaft along the axial direction; the lock head can rotate around the axial direction at a preset angle when aligned with the lock hole and located in the reversing chamber. to the locked state; in the locked state, the lock head and the lock core are in limited contact with each other in the axial direction, and the clamping member is located on the side of the lock core away from the lock head. , the clamping member cooperates with the lock head to clamp the brush head body in the axial direction.
  • the clamping member includes a shaft sleeve, the two ends of the shaft sleeve are through-shaped, the shaft sleeve is sleeved on the connecting shaft, and the shaft sleeve cooperates with the lock head to The axial direction clamps the brush head body.
  • the clamping member further includes an elastic member disposed in the sleeve, one end of the elastic member is connected to the sleeve, and the other end is connected to the connecting shaft, so that the elastic member The shaft sleeve is elastically abutted against the brush head body.
  • the elastic member is a spring sleeved on the connecting shaft
  • the inner peripheral wall of one end of the sleeve is provided with a protrusion.
  • the protrusion is located on the side of the sleeve close to the lock core.
  • the connecting shaft is provided with a first shoulder.
  • One end of the elastic member is in elastic contact with the protrusion, and the other end is in elastic contact with the first shoulder.
  • the end of the connecting shaft is provided with a second shoulder, the second shoulder is provided with an external thread, the lock head is a nut, and the lock head and the second shoulder are Threaded connection.
  • the shaft sleeve in the locked state, can extend into the installation groove and come into limited contact with a side of the lock core away from the lock head, and the shaft sleeve is in contact with the lock head.
  • the lock head cooperates to clamp the lock core in the axial direction.
  • the shaft sleeve can partially extend into the installation groove and be partially exposed in the installation groove; the lock hole is provided in the middle of the lock core, and the lock hole is in the first
  • the size in one direction is greater than the size in the second direction
  • the wall thickness of the lock core in the second direction is greater than the wall thickness in the first direction
  • the first direction and the second direction are arranged at an angle.
  • the first direction and the second direction are both perpendicular to the axial direction.
  • the outer peripheral surface of the part of the shaft sleeve that extends into the installation groove is limited and matched with the inner peripheral wall of the installation groove, and its inner peripheral surface is limited with the outer peripheral surface of the connecting shaft.
  • the lock core is made of metal material.
  • it includes a handle, a motor and a brush head assembly of the electric toothbrush.
  • the motor is fixedly installed in the handle, and the driving end of the motor is fixedly connected to an end of the connecting shaft away from the brush head.
  • One end of the connecting shaft close to the brush head extends out of the handle.
  • the utility model connects the brush head and the connecting shaft assembly through the limited contact between the lock head and the lock core.
  • the lock head can align the lock hole and extend into the reversing cavity along the axial direction, and then rotate axially in the reversing cavity to The preset angle is in contact with the lock cylinder limit to reach the locked state.
  • the clamping member moves to contact the brush head body.
  • the clamping member has a tension acting on the brush head body and the connecting shaft along the axial direction. Under the action of the tension, the brush head body and the connecting shaft have a tendency to move axially outward, so that both the lock head and the lock core
  • the tight fit of the contact surface makes the lock head and lock core more stable and will not deviate due to the vibration of the connecting shaft.
  • Figure 1 shows a schematic three-dimensional structural diagram of the brush head assembly of the electric toothbrush of the present invention
  • Figure 2 is a schematic diagram of the assembly structure of the brush head assembly of the electric toothbrush in Figure 1;
  • Figure 3 is an exploded structural diagram of the brush head assembly of the electric toothbrush in Figure 2;
  • Figure 4 is a schematic front structural view of the brush head assembly of the electric toothbrush in Figure 1;
  • Figure 5 is a cross-sectional view along line V-V in Figure 4.
  • Figure 6 is a partial enlarged view of position A in Figure 5;
  • FIG. 7 is a cross-sectional view along line VII-VII in FIG. 4 .
  • the utility model provides a brush head assembly of an electric toothbrush.
  • the brush head assembly of the electric toothbrush includes a brush head 100 and a connecting shaft 20 assembly 200.
  • the brush head 100 includes a brush head body 10 and a brushing part 14, wherein,
  • the brush head body 10 includes a head 11, a stem 12 and a lock core 13.
  • the head 11 and the stem 12 are integrally arranged; in the axial direction of the stem 12, the length of the stem 12 is less than or equal to the length of the head 11.
  • the maximum width W1 of the cross section of the rod part 12 is smaller than the maximum width W2 of the cross section of the head 11;
  • a mounting groove 121 is opened on the end surface of the rod part 12 away from the head 11;
  • the lock core 13 is fixedly protruding from the installation groove 121
  • a reversing cavity 122 is formed between the peripheral wall surface and the bottom wall surface of the installation groove 121;
  • a lock hole 131 is formed on the lock cylinder 13 or is enclosed by the lock cylinder 13 and the peripheral wall surface of the installation groove 121;
  • the brushing part 14 is fixedly installed At the head 11;
  • the connecting shaft 20 assembly 200 includes a connecting shaft 20, a lock head 23 and a clamping member 24.
  • the lock head 23 is fixedly connected to one end of the connecting shaft 20, and the lock head 23 protrudes from the outer peripheral surface of the connecting shaft 20; lock When aligned with the lock hole 131, the head 23 can axially pass through the lock hole 131 to extend into or exit the reversing cavity 122, and the lock head 23 can rotate axially in the reversing cavity 122;
  • the clamping member 24 is movably installed on the connecting shaft 20 along the axial direction; when the lock head 23 is aligned with the lock hole 131 and located in the reversing chamber 122, it can rotate axially at a preset angle to the locked state; in the locked state , the lock head 23 is in limited contact with the lock core 13 in the axial direction, and the clamping member 24 is located on the side of the lock core 13 away from the lock head 23.
  • the clamping member 24 cooperates with the lock head 23 to clamp the brush head in the axial direction.
  • Body 10 is movably installed on the connecting shaft 20 along the axial direction; when the lock head 23 is aligned with the lock hole 131 and located in the reversing chamber 122, it can rotate axially at a preset angle to the locked state; in the locked state , the lock head 23 is in limited contact with the lock core 13 in the axial direction, and the clamping member 24 is located on the side of the lock core 13 away from the lock head 23.
  • the brushing part 14 extends into the oral cavity to clean the teeth.
  • the head 11 and the rod part 12 of the brush head body 10 are usually integrally injection molded.
  • the service life of the brush head 100 is shorter than the service life of the connecting shaft 20 assembly 200.
  • the brush head 100 needs to be replaced after being used for a period of time, or some users will disassemble the brush head 100 after each use. In this way, In order to facilitate the user, the assembly and disassembly between the brush head 100 and the connecting shaft 20 assembly 200 needs to be simple, convenient and quick to replace.
  • the brush head 100 of the present application has the rod part 12 shorter, shortening the overall length of the brush head body 10, and achieving the purpose of saving materials.
  • the maximum width of the cross-section of the rod 12 is smaller than the maximum width of the cross-section of the head 11. The rod 12 will not prevent the head 11 from extending deep into the mouth, making it easier for the head 11 to clean the teeth in detail and improving the user's experience. .
  • the mounting slot 121 is integrally formed during the injection molding process of the head 11 and the rod 12.
  • the lock core 13 protrudes from the peripheral wall of the mounting slot 121. It is conceivable that the lock core 13 can be integrated with the inner wall of the mounting slot 121. Alternatively, the lock cylinder 13 can also be an independent component, fixedly connected in the installation groove 121 through the opening of the installation groove 121 .
  • the lock hole 131 can be formed in many ways. It can be provided on the lock core 13, or it can be formed by the lock core 13 and the inner peripheral wall of the installation groove 121.
  • the shape of the key hole 131 can be oval, long, or waisted. Non-circular shapes such as shapes or polygons.
  • the size of the reversing cavity 122 in any direction is larger than the size of the lock head 23 , so that the lock head 23 can be completely embedded in the reversing cavity 122 and rotate axially in the reversing cavity 122 .
  • the maximum size of the lock hole 131 is larger than the maximum size of the lock head 23
  • the minimum size of the lock hole 131 is larger than the minimum size of the lock head 23 .
  • the lock head 23 can be aligned with the lock hole 131 and pass through the lock.
  • the hole 131 is embedded in the reversing cavity 122, and the maximum size of the lock head 23 is larger than the minimum size of the lock hole 131. That is, the lock head 23 can rotate axially in the reversing cavity 122 to a preset angle to the locked state. It is in limited contact with the lock core 13.
  • the position when the lock head 23 is aligned with the lock hole 131 is regarded as the initial position, and the initial position can be regarded as 0°.
  • the angle formed by the position where the lock head 23 is in limited contact with the lock core 13 and the initial position is the preset position.
  • setting the angle it can be understood that the preset angle does not include 0° and 180°.
  • the locked state is the state when the brush head 100 and the connecting shaft 20 assembly 200 are assembled.
  • the clamping member 24 moves axially relative to the connecting shaft 20.
  • the clamping member 24 is used to clamp the brush head 100 body in the locked state.
  • the clamping member 24 can be a nut sleeved on the connecting shaft 20, or it can be It has an elastic or telescopic mechanism, and the elastic mechanism or telescopic mechanism can be sleeved on the connecting shaft 20 , or can be arranged on the side of the connecting shaft 20 .
  • the clamping member 24 is not specifically limited, as long as it can cooperate with the lock head 23 to clamp the brush head 100 body.
  • the utility model connects the brush head 100 and the connecting shaft 20 assembly 200 through the lock head 23 and the lock core 13.
  • the lock head 23 can be aligned with the lock hole 131 and extend into the reversing cavity 122 along the axial direction. It rotates axially into the cavity 122 to a preset angle and comes into limited contact with the lock core 13 to a locked state. In the locked state, the clamping member 24 moves to contact the brush head 100 body.
  • the clamping member 24 has a tension acting on the brush head 100 body and the connecting shaft 20 along the axial direction.
  • the brush head 100 body and the connecting shaft 20 have an axial tendency to move outward, so that the lock head
  • the contact surfaces of the lock head 23 and the lock core 13 are tightly matched, so that the lock head 23 and the lock core 13 are more firmly matched and will not deviate with the vibration of the connecting shaft 20 .
  • This installation method is simple, convenient, and can be quickly disassembled and assembled.
  • the clamping member 24 includes a sleeve 25. Both ends of the sleeve 25 are through-shaped.
  • the sleeve 25 is sleeved on the connecting shaft 20.
  • the sleeve 25 cooperates with the lock head 23 to axially rotate the shaft sleeve 25. Clamp the brush head body 10.
  • the sleeve 25 can be a nut or an elastic or telescopic sleeve.
  • the sleeve 25 is sleeved on the connecting shaft 20 and can be limited to the connecting shaft 20 in the radial direction.
  • the arrangement of the clamping member 24 on the connecting shaft 20 can simplify the process flow and is more convenient during assembly.
  • the clamping member 24 also includes an elastic member 26 arranged in the sleeve 25. One end of the elastic member 26 is connected to the sleeve 25, and the other end is connected to the connecting shaft 20. So that the shaft sleeve 25 elastically contacts the brush head body 10 .
  • the sleeve 25 itself is not elastic, and an elastic member 26 is provided inside the sleeve 25 so that the sleeve 25 has an axially outward tension.
  • the elastic member 26 is arranged at the interval.
  • the elastic member 26 can be arranged on the side of the connecting shaft 20, or can be sleeved on the connecting shaft 20. This embodiment does not specifically limit this, as long as the tension of the elastic member 26 in the locked state is along the axial direction. In the locked state, the shaft sleeve 25 is in contact with the brush head body 10.
  • the shaft sleeve 25 can be extended into the installation groove 121 and connected with the brush head body 10.
  • the lock core 13 is in contact, and the sleeve 25 can also be in contact with the side of the rod 12 where the installation groove 121 is opened, or the connection between the rod 12 and the head 11 , etc. Therefore, the sleeve 25 and the brush head
  • the specific contact position of the main body 10 is not specifically limited in this embodiment, and can be selected according to the actual situation.
  • the elastic member 26 is a spring sleeved on the connecting shaft 20; the inner peripheral wall of one end of the sleeve 25 is provided with a protrusion 251. In the locked state, the protrusion 251 251 is located on the side of the sleeve 25 close to the lock core 13.
  • the connecting shaft 20 is provided with a first shoulder 21. One end of the elastic member 26 is in elastic contact with the protrusion 251, and the other end is in elastic contact with the first shoulder 21.
  • the elastic member 26 is a spring, and the inner diameter of the elastic member 26 is adapted to the outer diameter of the connecting shaft 20.
  • the elastic member 26 is sleeved on the connecting shaft 20 to limit the position of the elastic member 26 in the radial direction.
  • this arrangement can facilitate the cooperative use of the sleeve 25 and the elastic member 26, and facilitate the elastic deformation tension of the elastic member 26 to be transmitted in the axial direction.
  • one end of the elastic member 26 abuts on the protrusion 251, and the other end abuts on the side step surface of the first shoulder 21.
  • the sleeve 25 With axial tension, the sleeve 25 has a movement tendency close to the lock core 13 , and the connecting shaft 20 has a movement tendency away from the brushing part 14 , so that the lock head 23 and the lock core 13 are closely matched.
  • the end of the connecting shaft 20 is provided with a second shoulder 22.
  • the second shoulder 22 is provided with an external thread.
  • the lock head 23 is a nut. The lock head 23 and the second shoulder 22 thread connection.
  • the outer circumferential surface of the second shoulder 22 is provided with external threads, and the lock head 23 is specifically a nut.
  • the lock head 23 is sleeved on the second shoulder 22 and is threadedly connected to the second shoulder 22, and The lock head 23 is in limited contact with the step side of the second shoulder 22 , so that the fixed position of the lock head 23 on the connecting shaft 20 can be limited.
  • the second shoulder 22 and the side of the same end of the lock head 23 are arranged substantially flush with each other, and the end surface of the lock head 23 protrudes from the end surface of the second shoulder 22 or the end surface of the lock head 23 is lower than the The end surface of the second shoulder 22 can ensure that the lock head 23 and the second shoulder 22 are connected more firmly, and can also avoid increasing the length of the reversing cavity 122 in the axial direction. It can be understood that in a specific embodiment, the second shoulder 22 is provided on the first shoulder 21 .
  • the shaft sleeve 25 can extend into the installation groove 121 and make limited contact with the side of the lock core 13 away from the lock head 23.
  • the shaft sleeve 25 and the lock head 23 Cooperate to clamp the lock core 13 in the axial direction.
  • the shaft sleeve 25 can extend into the installation groove 121, which can effectively protect the elastic member 26 in the shaft sleeve 25.
  • the arrangement of the shaft sleeve 25 outside the installation groove 121 has The following shortcomings are: on the one hand, the method of disposing outside the installation groove 121 requires that the brushing part be removed when brushing teeth. The foam and water on the shaft 14 will enter the shaft sleeve 25 through the gap between the shaft sleeve 25 and the rod 12, and may corrode the elastic member 26, resulting in shortening the service life of the elastic member 26; on the other hand, the inside of the shaft sleeve 25 is not easy to clean.
  • the shaft sleeve 25 can partially extend into the installation groove 121, and is partially exposed in the installation groove 121; the lock hole 131 is provided in the middle of the lock core 13, and the lock hole 131 is in the first direction.
  • the size of 300 is larger than the size in the second direction 400, the wall thickness of the lock core 13 in the second direction 400 is larger than the wall thickness in the first direction 300, the first direction 300 and the second direction 400 are arranged at an angle, and the first The direction 300 and the second direction 400 are both perpendicular to the axial direction.
  • the partially exposed shaft sleeve 25 is helpful for separating the brush head 100 and the connecting shaft 20 assembly 200.
  • the exposed part can facilitate the application of external force to the shaft sleeve 25 and facilitate the movement of the shaft sleeve 25 in the axial direction, thereby facilitating the axial movement of the shaft sleeve 25. It is conducive to the disassembly of the brush head 100, and it is also not conducive to the hygiene of the brush head 100 body if it is fully extended into the installation groove 121.
  • the lock cylinder 13 is connected to the inner peripheral wall of the installation groove 121, the outer peripheral surface of the lock cylinder 13 is waist-shaped, and the inner peripheral wall of the installation groove 121 matches the outer peripheral surface of the lock core 13. This is beneficial to both.
  • the fixed connection is tighter.
  • the lock hole 131 is disposed in the middle of the lock core 13 , and in order to facilitate processing, the lock hole 131 is also disposed in the same waist shape as the outer peripheral surface of the lock core 13 . In the second direction 400 where the size of the lock hole 131 is smaller, the thickness of the lock core 13 is thicker.
  • the first direction 300 is perpendicular to the second direction 400, and the lock head 23 is in a preset position.
  • the angle is 90° or 270°, in the locked state, the contact area between the lock head 23 and the lock core 13 is larger, which is conducive to a more stable connection between the two.
  • the outer peripheral surface of the portion of the shaft sleeve 25 that extends into the installation groove 121 is in limited fit with the inner peripheral wall of the installation groove 121 , and its inner peripheral surface is in contact with the outer peripheral surface of the connecting shaft 20 . Limited fit.
  • the shaft sleeve 25 extends into the installation groove 121 and can be limitedly matched with the installation groove 121 in the radial direction.
  • the outer circumferential surface of the shaft sleeve 25 is provided with at least one first limiting surface.
  • the inner peripheral wall of the mounting groove 121 is provided with at least one first matching surface
  • the inner peripheral surface of the shaft sleeve 25 is provided with at least one second limiting surface
  • the outer peripheral surface of the connecting shaft 20 is provided with at least one second matching surface. surface
  • the first limiting surface can be limitedly matched with the first mating surface
  • the second limiting surface can be limitedly matched with the second mating surface.
  • the lock core 13 is made of metal material.
  • the material of the lock core 13 is metal, which can make the lock core 13 more powerful under pressure, and will not cause the lock core 13 to be damaged due to the greater force during disassembly and assembly. Destroy the lock cylinder 13.
  • the utility model also proposes an electric toothbrush.
  • the electric toothbrush includes a handle, a motor and a brush head 100 assembly of the electric toothbrush.
  • the motor is fixedly installed in the handle, and the driving end of the motor is fixedly connected to the end of the connecting shaft 20 away from the brush head 100.
  • One end of the connecting shaft 20 close to the brush head 100 extends out of the handle.
  • the specific structure of the brush head assembly of the electric toothbrush refers to the above-mentioned embodiments. Since the electric toothbrush adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the benefits brought by the technical solutions of the above-mentioned embodiments. The effects will not be repeated here.
  • the connecting shaft 20 is used to transmit the vibration of the motor to the brush head body 10 to achieve relative movement of the brush head body 10 . Since the mounting groove 121 of the rod portion 12 of the brush head body 10 can be relatively reduced, the overall volume of the brush head body 10 is reduced, which not only improves the comfort of use, but also reduces the manufacturing materials of the brush head body 10. cost can be reduced to some extent.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

Abstract

Le mode de réalisation de la présente invention concerne un ensemble tête de brosse d'une brosse à dents électrique, comprenant une tête de brosse et un ensemble arbre de liaison. La tête de brosse comprend un corps principal de tête de brosse et une partie de brossage. Le corps principal de tête de brosse comprend une partie tête, une partie tige et un cylindre de verrouillage. La partie tige est pourvue d'une rainure de montage. Le cylindre de verrouillage est disposé de manière fixe sur la surface de paroi périphérique de la rainure de montage de manière saillante, et forme une cavité d'inversion avec la surface de paroi inférieure de la rainure de montage. Le cylindre de verrouillage est pourvu d'un trou de verrouillage ou un trou de verrouillage est défini par le cylindre de verrouillage et la surface de paroi périphérique de la rainure de montage. La partie de brossage est montée de manière fixe sur la partie tête. L'ensemble arbre de liaison comprend un arbre de liaison, une tête de verrouillage et un élément de serrage. Lorsque la tête de verrouillage est alignée avec le trou de verrouillage, la tête de verrouillage peut pénétrer à travers le trou de verrouillage dans une direction axiale pour s'étendre dans ou se retirer de la cavité d'inversion, et la tête de verrouillage peut tourner dans la direction axiale d'un angle prédéfini pour être dans un état de verrouillage. Dans l'état de verrouillage, la tête de verrouillage vient en butée contre le cylindre de verrouillage pour une limitation dans la direction axiale. L'élément de serrage est mis en correspondance avec la tête de verrouillage pour serrer, dans la direction axiale, le corps principal de tête de brosse. Le procédé de montage du présent modèle d'utilité est simple et pratique, et peut réaliser un démontage et un assemblage rapides.
PCT/CN2023/089243 2022-05-07 2023-04-19 Ensemble tête de brosse de brosse à dents électrique et brosse à dents électrique WO2023216827A1 (fr)

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Application Number Priority Date Filing Date Title
CN202221080811.3U CN217525462U (zh) 2022-05-07 2022-05-07 电动牙刷的刷头组件及电动牙刷
CN202221080811.3 2022-05-07

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WO2023216827A1 true WO2023216827A1 (fr) 2023-11-16

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN217525462U (zh) * 2022-05-07 2022-10-04 深圳术叶创新科技有限公司 电动牙刷的刷头组件及电动牙刷

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564152A (en) * 1991-11-06 1996-10-15 Johnson & Johnson Consumer Products, Inc. Toothbrush
US5768737A (en) * 1993-12-30 1998-06-23 Johnson & Johnson Consumer Products, Inc. Mechanical-type toothbrush having a removable brushhead
CN109106461A (zh) * 2018-09-26 2019-01-01 舒可士（深圳）科技有限公司 电动牙刷
CN110151348A (zh) * 2019-03-14 2019-08-23 胡斐凡 一种刷头组件及电动牙刷
CN217525462U (zh) * 2022-05-07 2022-10-04 深圳术叶创新科技有限公司 电动牙刷的刷头组件及电动牙刷

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564152A (en) * 1991-11-06 1996-10-15 Johnson & Johnson Consumer Products, Inc. Toothbrush
US5768737A (en) * 1993-12-30 1998-06-23 Johnson & Johnson Consumer Products, Inc. Mechanical-type toothbrush having a removable brushhead
CN109106461A (zh) * 2018-09-26 2019-01-01 舒可士（深圳）科技有限公司 电动牙刷
CN110151348A (zh) * 2019-03-14 2019-08-23 胡斐凡 一种刷头组件及电动牙刷
CN217525462U (zh) * 2022-05-07 2022-10-04 深圳术叶创新科技有限公司 电动牙刷的刷头组件及电动牙刷

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