CN109124801B - Electric toothbrush brush head structure and electric toothbrush - Google Patents
Electric toothbrush brush head structure and electric toothbrush Download PDFInfo
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- CN109124801B CN109124801B CN201811109385.XA CN201811109385A CN109124801B CN 109124801 B CN109124801 B CN 109124801B CN 201811109385 A CN201811109385 A CN 201811109385A CN 109124801 B CN109124801 B CN 109124801B
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- head connecting
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- brush
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- 230000008878 coupling Effects 0.000 claims description 86
- 238000010168 coupling process Methods 0.000 claims description 86
- 238000005859 coupling reaction Methods 0.000 claims description 86
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000001680 brushing effect Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 210000004195 gingiva Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000002697 Tooth Abrasion Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- 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
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
-
- 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
- A61C17/225—Handles or details thereof
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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
The invention relates to an electric toothbrush head structure and an electric toothbrush, and belongs to the technical field of electric toothbrushes. The brush head connecting buckle is positioned at one end of the brush head far away from the brush hair and extends outwards along the length direction of the brush head; the fixed brush head connecting component comprises a brush head connecting piece and a brush head connecting piece shell, the brush head connecting piece shell is positioned between the brush head component and the handle component, the brush head connecting piece shell is sleeved outside the brush head connecting piece, the brush head connecting piece is sleeved outside the brush head connecting buckle and the motor shaft, the brush head connecting buckle is attached to the motor shaft and is clamped with the brush head connecting piece, and the motor shaft is clamped with the brush head connecting piece, so that the motor shaft, the brush head connecting piece and the brush head connecting buckle are assembled into a whole, and the brush head connecting piece tightly connects the brush head component with the handle component. The electric toothbrush head structure is reasonable in design, and when the tooth brushing force is overlarge, the toothbrush head connecting buckle can be elastically deformed, so that the damage to gums caused by artificial overlarge pressure is reduced, and the gums of a user are protected.
Description
Technical Field
The invention relates to the technical field of electric toothbrushes, in particular to an electric toothbrush head structure and an electric toothbrush.
Background
The consumer generally has a brush head life of about three months, regardless of whether he chooses a conventional toothbrush or an electric toothbrush, and particularly the user of the electric toothbrush changes the entire brush head every three months, which is also a significant expense.
From the view point of tooth abrasion, the long-term use of the acoustic vibration toothbrush can better care the gums. Research data also shows that the abrasion experienced by the teeth and gums increases with increased brushing force. Current powered toothbrush products have the following means to control pressure to protect the gums. After the force value exceeds the rated value, the displacement of the component triggers the control output of the electronic micro switch; excessive force values cause motor deceleration or stalling; the electronic induction control circuit with overlarge brushing force value controls the motor to output; and each manufacturer makes different APP, and the Bluetooth of UNICOM can realize timely release and prompt of data. The proposal is controlled by an electronic way, has high cost, and intangibly leads to high price of the electric toothbrush and slow popularization in the market.
Disclosure of Invention
The invention aims to solve the problems, and provides an electric toothbrush head structure which is reasonable in design, and can be mechanically and elastically deformed when the tooth brushing force is overlarge, so that the damage to gums caused by artificial overlarge pressure is reduced, and the problems are improved.
Another object of the present invention is to provide an electric toothbrush which can effectively protect gums of a user and provide a safe and comfortable use experience for the user.
The invention is realized in the following way:
The embodiment of the invention provides a brush head structure of an electric toothbrush, which is applied to the electric toothbrush, and comprises a brush head assembly and a handle assembly, wherein the brush head assembly is detachably connected with the handle assembly through a fixed brush head connecting assembly, the brush head assembly comprises a brush head and a brush head connecting buckle, the brush head connecting buckle is positioned at one end of the brush head far away from bristles and extends along the length direction of the brush head, the handle assembly comprises a motor shaft, the fixed brush head connecting assembly comprises a brush head connecting piece and a brush head connecting piece shell, the brush head connecting piece shell is positioned between the brush head assembly and the handle assembly, the brush head connecting piece shell is sleeved outside the brush head connecting piece, the brush head connecting buckle and the motor shaft are respectively penetrated in the brush head connecting piece, the brush head connecting buckle is positioned between the brush head connecting piece and the motor shaft, the brush head connecting buckle is respectively attached to the brush head connecting piece and the motor shaft, the end of the brush head connecting buckle far away from the brush head connecting piece is tightly connected with the brush head connecting piece, and the brush head connecting piece is tightly connected with the brush head connecting piece.
In an alternative embodiment of the invention, a first accommodating cavity with one open end is formed in the brush head, the open end of the first accommodating cavity is positioned at one end of the brush head far away from the bristles, the brush head connecting buckle is positioned at the open end of the first accommodating cavity, and part of the brush head connecting piece is positioned in the first accommodating cavity.
In an alternative embodiment of the present invention, an accommodating groove is formed at an end of the brush head, the accommodating groove is located at an opening end of the first accommodating cavity, the brush head coupling buckle is close to the first accommodating cavity relative to the accommodating groove, and a part of the brush head coupling member is located in the accommodating groove.
In an alternative embodiment of the invention, the brush head connecting piece is in a conical cylinder structure, the brush head connecting piece is provided with a second accommodating cavity, the brush head connecting buckle and the motor shaft are positioned in the second accommodating cavity, the inner wall of the brush head connecting piece is provided with a clamping surface, one end, far away from the brush head, of the brush head connecting buckle is provided with a first clamping block matched with the clamping surface, and the first clamping block is clamped with the clamping surface.
In an alternative embodiment of the invention, a notch for the brush head connecting buckle to pass through is formed at one end of the brush head connecting piece, which is close to the brush head, the notch is communicated with the second accommodating cavity, an opening of the second accommodating cavity is positioned at one end of the brush head connecting piece, which is close to the handle assembly, and the motor shaft penetrates through the second accommodating cavity and is in sealing connection with the inner wall of the brush head connecting piece.
In an alternative embodiment of the invention, a groove is formed in the circumferential direction of the motor shaft, the groove is of a V-shaped structure, the brush head connecting piece is provided with a clamping part, and the clamping part is matched with the groove so as to enable the brush head connecting piece to be clamped with the motor shaft.
In an alternative embodiment of the invention, a U-shaped groove is formed in the circumferential direction of the brush head connecting piece, the clamping portion is located in the U-shaped groove, a second clamping block matched with the groove is arranged at one end, close to the second accommodating cavity, of the clamping portion, and the second clamping block is located in the groove.
In an alternative embodiment of the invention, a brush head positioning surface is arranged at the end part of one end of the brush head connecting piece, which is connected with the brush head, the brush head positioning surface and the U-shaped groove are arranged opposite to each other in the radial direction of the brush head connecting piece, and the brush head positioning surface is attached to the inner surface of the brush head.
In an alternative embodiment of the present invention, a first buckling part is disposed on an inner wall of the brush head coupling member housing, the first buckling part is located at one end of the second accommodating cavity near the handle assembly, a second buckling part corresponding to the first buckling part is disposed on an outer surface of the brush head coupling member, and the second buckling part is in sealing connection with the first buckling part.
The embodiment of the invention also provides an electric toothbrush which comprises the electric toothbrush head structure.
Compared with the prior art, the invention has the beneficial effects that:
The electric toothbrush head structure is reasonable in design, and when the tooth brushing force is overlarge, the structure can be mechanically elastically deformed, so that the damage to gums caused by artificial overlarge pressure is reduced.
The electric toothbrush can effectively protect gums of users and provide safe and comfortable use experience for the users.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a brush head structure of an electric toothbrush according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of the connection of a brush head assembly to a handle assembly;
FIG. 3 is a schematic view of the structure of a brush head assembly;
FIG. 4 is a schematic structural view of a fixed brush head coupling assembly;
FIG. 5 is a schematic view of the brush head attachment of FIG. 4;
FIG. 6 is a schematic structural view of a motor shaft of the handle assembly;
Fig. 7 is a schematic structural view of a brush head assembly of an electric toothbrush.
Icon: 100-a brush head structure of an electric toothbrush; 200-an electric toothbrush; 1-a brush head assembly; 11-a brush head; 111-a first accommodation chamber; 112-a receiving groove; 12-connecting the brush head with a buckle; 121-a first clamping block; 13-brushing; 2-a handle assembly; 21-a motor shaft; 211-grooves; 3-a fixed brush head coupling assembly; 31-a brush head coupling; 311-a second accommodation chamber; 312-clamping surface; 313-notch; 314—a clamping portion; 315-a second clamping block; 316-U-shaped grooves; 317-brush head positioning surface; 318-a second clasp; 32-a brush head coupling housing; 321-a first fastening portion; a 4-displacement sensor; 5-cell.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Referring to fig. 1, the present embodiment provides a brush head structure 100 of an electric toothbrush, which is applied to an electric toothbrush, and the electric toothbrush includes a brush head assembly 1 and a handle assembly 2, wherein the brush head assembly 1 and the handle assembly 2 are detachably connected through a fixed brush head coupling assembly 3.
In this embodiment, the brush head assembly 1 comprises a brush head 11 and a brush head coupling buckle 12, wherein the brush head coupling buckle 12 is positioned at one end of the brush head 11 far away from the brush hair 13 and extends outwards along the length direction of the brush head 11; the handle assembly 2 comprises a motor shaft 21, the fixed brush head coupling assembly 3 comprises a brush head coupling piece 31 and a brush head coupling piece housing 32, the brush head coupling piece housing 32 is positioned between the brush head assembly 1 and the handle assembly 2, the brush head coupling piece housing 32 is sleeved outside the brush head coupling piece 31, the brush head coupling piece 31 is sleeved outside the brush head coupling buckle 12 and the motor shaft 21, the brush head coupling buckle 12 is attached to the motor shaft 21 and is clamped with the brush head coupling piece 31, and the motor shaft 21 is clamped with the brush head coupling piece 31, so that the motor shaft 21, the brush head coupling piece 31 and the brush head coupling buckle 12 are assembled into a whole, and the brush head coupling piece 31 tightly connects the brush head assembly 1 and the handle assembly 2. Since the brush head connecting buckle 12 extends along the length direction of the brush head 11, when the brush head 11 is stressed greatly, the brush head connecting buckle 12 is elastically deformed, so that the force of the brush head 11 on the gingiva is slowed down, and the damage to the gingiva is reduced. The electric toothbrush head structure 100 has reasonable design, and when the tooth brushing force is overlarge, the toothbrush head connecting buckle 12 can elastically deform, so that the damage to gums caused by the artificial overlarge pressure is reduced, and the gums of a user are protected.
The specific structure of the individual components of the electric toothbrush head structure 100 and the positional relationship with each other are described in detail below.
As shown in fig. 1 and 2, the brush head assembly 1 comprises a brush head 11 and a brush head connecting buckle 12, wherein the brush head connecting buckle 12 is positioned at one end of the brush head 11 far away from the brush hair 13 and is connected with the brush head connecting buckle 12; as shown in fig. 3, a first accommodating cavity 111 with an opening at one end is formed in the brush head 11, and the opening end of the first accommodating cavity 111 is located at one end of the brush head 11 far away from the bristles 13, so that articles can be placed in the first accommodating cavity 111 conveniently. The brush head coupling button 12 is located at an open end of the first accommodation chamber 111 and extends toward an end of the brush head 11 remote from the bristles 13 in a length direction of the brush head 11. In order to ensure the connection strength between the brush head connecting buckle 12 and the brush head 11, in this embodiment, the brush head connecting buckle 12 and the brush head 11 are integrally formed, so that the brush head connecting buckle 12 can be elastically deformed to a certain extent.
In this embodiment, the brush head coupling buckle 12 and the motor shaft 21 are inserted into the brush head coupling member 31, which can be understood that the brush head coupling member 31 is sleeved outside the brush head coupling buckle 12 and the motor shaft 21, the brush head coupling buckle 12 is respectively attached to the brush head coupling member 31 and the motor shaft 21, the end of the brush head coupling buckle 12 far away from the brush head 11 is clamped with the brush head coupling member 31, and one side of the motor shaft 21 far away from the brush head coupling buckle 12 is clamped with the brush head coupling member 31, so that the brush head coupling member 31 tightly connects the brush head assembly 1 and the handle assembly 2.
In order to ensure the connection stability of the brush head coupling member 31 and the brush head assembly 1, a part of the brush head coupling member 31 is positioned in the first accommodating cavity 111, so that the contact area between the brush head coupling member 31 and the brush head coupling buckle 12 is increased, and the connection strength between the brush head coupling member 31 and the brush head coupling buckle 12 is conveniently improved.
As shown in fig. 4 and 5, the brush head coupling member 31 has a tapered cylindrical structure, the brush head coupling member 31 is provided with a second accommodating cavity 311, and the brush head coupling buckle 12 and the motor shaft 21 are positioned in the second accommodating cavity 311. The inner wall of the brush head coupling piece 31 is provided with a clamping surface 312, the clamping surface 312 is an inclined surface, the clamping surface 312 is inclined relative to the axis of the brush head coupling piece 31 and is inclined with a bus of the brush head coupling piece 31, and the inner wall of the brush head coupling piece 31 is equivalent to a step table; one end of the brush head connecting buckle 12, which is far away from the brush head 11, is provided with a first clamping block 121 matched with the clamping surface 312, and the first clamping block 121 is clamped with the clamping surface 312, so that the brush head connecting buckle 12 is limited to move along the length direction of the brush head 11.
A notch 313 through which the brush head connecting buckle 12 passes is formed at one end of the brush head connecting piece 31 close to the brush head 11, the notch 313 is communicated with the second accommodating cavity 311, and an opening of the second accommodating cavity 311 is positioned at one end of the brush head connecting piece 31 close to the handle assembly 2; the motor shaft 21 passes through the opening of the second accommodating cavity 311, passes through the second accommodating cavity 311, and is in sealing connection with the inner wall of the brush head coupling member 31, thereby improving the waterproof effect of the motor shaft 21.
As shown in fig. 6, a groove 211 is formed in the circumferential direction of the motor shaft 21, the groove 211 has a V-shaped structure, the brush head coupling member 31 is provided with a clamping portion 314, and the clamping portion 314 cooperates with the groove 211 to clamp the brush head coupling member 31 and the motor shaft 21. The clamping portion 314 and the groove 211 serve to limit the movement of the brush head coupling member 31 along the length direction of the motor shaft 21, so that the connection stability of the brush head assembly 1 and the handle assembly 2 is ensured.
The brush head connecting piece 31 is circumferentially provided with a U-shaped groove 316, the clamping part 314 is positioned in the U-shaped groove 316, one end of the clamping part 314, which is close to the handle assembly 2, is provided with a second clamping block 315 matched with the groove 211, and the second clamping block 315 is positioned in the groove 211.
The end of the brush head coupling member 31 connected to the brush head 11 is provided with a brush head positioning surface 317, the brush head positioning surface 317 and the U-shaped groove 316 are disposed opposite to each other in the radial direction of the brush head coupling member 31, the brush head positioning surface 317 extends into the first accommodating chamber 111, and the brush head positioning surface 317 is bonded to the inner surface of the brush head 11. The setting of the brush head positioning surface 317 can ensure the connection and positioning of the brush head coupling member 31 and the brush head 11, so that the brush head coupling member 31 is matched with the brush head coupling buckle 12, and simultaneously, the motor shaft 21 can be clamped with the brush head coupling member 31.
Further, the end of the brush head 11 is provided with a receiving groove 112, the receiving groove 112 is located at the open end of the first receiving cavity 111, the brush head coupling buckle 12 is close to the first receiving cavity 111 relative to the receiving groove 112, and a part of the brush head coupling member 31 is located in the receiving groove 112. In a specific embodiment, the brush head positioning surface 317 extends into the first accommodating cavity 111, the brush head coupling buckle 12 extends into the second accommodating cavity 311 through the notch 313, and a part of the brush head coupling member 31 is clamped in the accommodating groove 112, so that the brush head coupling buckle 12 and the brush head coupling member 31 are stably connected.
In this embodiment, the inner wall of the brush head coupling member housing 32 is provided with a first buckling portion 321, the first buckling portion 321 is located at one end of the second accommodating cavity 311 near the handle assembly 2, the outer surface of the brush head coupling member 31 is provided with a second buckling portion 318 corresponding to the first buckling portion 321, and the second buckling portion 318 is in sealing connection with the first buckling portion 321. The cooperation of the first buckling part 321 and the second buckling part 318 facilitates the assembly of the brush head coupling piece 31 and the brush head coupling piece housing 32, and ensures the connection strength and the connection stability of the brush head coupling piece housing 32 and the brush head coupling piece 31.
The brush head connecting piece 31 is an elastic piece, when the brush head connecting buckle 12 is mechanically deformed, the brush head connecting buckle 12 presses the brush head connecting piece 31, the brush head connecting piece 31 can slow down the acting force of the brush head connecting buckle 12 and deform along with the brush head connecting buckle 12, so that the brush head 11 is elastically deformed, and the acting force of the brush head 11 on the gum of a user is slowed down. In this embodiment, the orientation of the first clamping block 121 is the same as the orientation of the bristles 13, and when the bristles 13 are pressed, the first clamping block 121 moves towards the clamping surface 312, so as to keep the first clamping block 121 and the clamping surface 312 attached to ensure the connection between the brush head coupling buckle 12 and the brush head coupling member 31.
The working principle of the embodiment of the invention is as follows:
assembling the brush head connecting piece 31 and the brush head connecting piece shell 32, buckling the second buckling part 318 and the first buckling part 321, extending the brush head positioning surface 317 into the first accommodating cavity 111, simultaneously ensuring that the brush head connecting buckle 12 extends into the second accommodating cavity 311 through the notch 313, and clamping the brush head connecting piece 31 in the accommodating groove 112 to complete the connection of the brush head connecting piece 31 and the brush head assembly 1; and then the motor shaft 21 extends into the second accommodating cavity 311 through the opening end of the second accommodating cavity 311 until the second clamping block 315 is clamped with the groove 211, so that the assembly of the handle assembly 2 and the brush head assembly 1 is completed. When the brush head 11 is replaced, the brush head assembly 1 and the fixed brush head connecting assembly 3 are pulled out forcefully, then the brush head assembly 1 is taken down, the brush head assembly 1 with the brush hair 13 is replaced with a new brush head assembly 3, the brush head assembly 1 with the brush hair 13 is matched with the fixed brush head connecting assembly 3, and after the brush head 11 is inserted into the handle, the motor shaft 21, the brush head connecting piece 31 and the brush head connecting buckle 12 are firmly connected, so that the working requirement of the toothbrush is met.
In the tooth brushing process, after the brush hair 13 surface receives certain pressure, as the brush head component 1 is connected with the fixed brush head connecting component 3 through the mechanical buckling surface, when the pressure is too large, the brush head 11 can generate corresponding bending deformation, and the protection purpose is achieved through the deformation of the brush head 11. The electric toothbrush head structure 100 is reasonable in design, and through deformation of the toothbrush head 11, damage to gums caused by excessive force brushing is slowed down, and safe and comfortable use experience is provided for a user.
Second embodiment
The present embodiment provides an electric toothbrush 200 comprising the electric toothbrush head structure 100 provided in the first embodiment.
As shown in fig. 7, in the present embodiment, a displacement sensor 4 and a battery 5 are provided inside the brush head 11, the displacement sensor 4 is electrically connected with the battery 5, and the battery 5 supplies power to the displacement sensor 4; the displacement sensor 4 is wirelessly connected to a controller (not shown) of the handle assembly 2, which is electrically connected to the motor. The displacement sensor 4 is close to the brush hair 13, when the brush head 11 is bent and deformed after being stressed, the displacement sensor 4 sends a signal to the controller, and the controller changes the working current of the motor, so that the purpose of protecting the gum is achieved. The electric toothbrush 200 has reasonable design and effectively protects the gums of a user by utilizing the bending deformation of the brush head 11.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The electric toothbrush comprises a brush head assembly and a handle assembly, and is characterized in that the brush head assembly and the handle assembly are detachably connected through a fixed brush head connecting assembly, the brush head assembly comprises a brush head and a brush head connecting buckle, the brush head connecting buckle is positioned at one end, far away from bristles, of the brush head and extends along the length direction of the brush head, the handle assembly comprises a motor shaft, the fixed brush head connecting assembly comprises a brush head connecting piece and a brush head connecting piece shell, the brush head connecting piece shell is positioned between the brush head assembly and the handle assembly, the brush head connecting piece shell is sleeved outside the brush head connecting piece, the brush head connecting buckle and the motor shaft are respectively arranged in the brush head connecting piece in a penetrating manner, the brush head connecting buckle is positioned between the brush head connecting piece and the motor shaft, the brush head connecting buckle is respectively attached to the brush head connecting piece and the motor shaft, the end, far away from the brush head, of the motor shaft is clamped, and the brush head connecting piece is tightly connected with the brush head connecting piece;
the brush head connecting buckle and the brush head are integrally formed.
2. The electric toothbrush head structure according to claim 1, wherein a first accommodating cavity with one end open is formed in the brush head, an open end of the first accommodating cavity is located at one end of the brush head far away from bristles, the brush head connecting buckle is located at the open end of the first accommodating cavity, and a part of the brush head connecting piece is located in the first accommodating cavity.
3. The electric toothbrush head structure of claim 2, wherein the end of the head defines a receiving slot, the receiving slot being located at the open end of the first receiving cavity, the head coupling clasp being located adjacent the first receiving cavity relative to the receiving slot, a portion of the head coupling member being located within the receiving slot.
4. The electric toothbrush head structure according to claim 1, wherein the head connecting piece is a conical cylinder structure, the head connecting piece is provided with a second accommodating cavity, the head connecting buckle and the motor shaft are located in the second accommodating cavity, a clamping surface is arranged on the inner wall of the head connecting piece, a first clamping block matched with the clamping surface is arranged at one end, far away from the head, of the head connecting buckle, and the first clamping block is clamped with the clamping surface.
5. The structure of claim 4, wherein a notch through which the brush head coupling clasp passes is formed at an end of the brush head coupling member adjacent to the brush head, the notch is in communication with the second receiving chamber, an opening of the second receiving chamber is located at an end of the brush head coupling member adjacent to the handle assembly, and the motor shaft is disposed in the second receiving chamber and is in sealing connection with an inner wall of the brush head coupling member.
6. The electric toothbrush head structure according to claim 5, wherein a groove is formed in the circumferential direction of the motor shaft, the groove is of a V-shaped structure, the head coupling member is provided with a clamping portion, and the clamping portion is matched with the groove to enable the head coupling member to be clamped with the motor shaft.
7. The electric toothbrush head structure according to claim 6, wherein a U-shaped groove is formed in the circumferential direction of the head connecting piece, the clamping portion is located in the U-shaped groove, a second clamping block matched with the groove is arranged at one end, close to the handle assembly, of the clamping portion, and the second clamping block is located in the groove.
8. The electric toothbrush head structure according to claim 7, wherein a head positioning surface is provided at an end of the head coupling member at an end connected to the head, the head positioning surface and the U-shaped groove are disposed opposite to each other in a radial direction of the head coupling member, and the head positioning surface is fitted to an inner surface of the head.
9. The electric toothbrush head structure according to claim 4, wherein a first buckling part is provided on an inner wall of the head coupling member housing, the first buckling part is located at one end of the second accommodating cavity near the handle assembly, a second buckling part corresponding to the first buckling part is provided on an outer surface of the head coupling member, and the second buckling part is in sealing connection with the first buckling part.
10. An electric toothbrush comprising an electric toothbrush head structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109385.XA CN109124801B (en) | 2018-09-21 | 2018-09-21 | Electric toothbrush brush head structure and electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109385.XA CN109124801B (en) | 2018-09-21 | 2018-09-21 | Electric toothbrush brush head structure and electric toothbrush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109124801A CN109124801A (en) | 2019-01-04 |
| CN109124801B true CN109124801B (en) | 2024-07-19 |
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| CN201811109385.XA Active CN109124801B (en) | 2018-09-21 | 2018-09-21 | Electric toothbrush brush head structure and electric toothbrush |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4017407A4 (en) * | 2020-04-30 | 2023-08-09 | Colgate-Palmolive Company | Oral care implement and refill head thereof |
| CN111839782A (en) * | 2020-07-08 | 2020-10-30 | 江西瑞圣特科技有限责任公司 | ultrasonic toothbrush |
| CN116782785B (en) * | 2020-12-10 | 2025-10-24 | 高露洁-棕榄公司 | Oral care utensils and handles |
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| DE3937853A1 (en) * | 1989-11-14 | 1991-05-16 | Braun Ag | ELECTRIC TOOTHBRUSH WITH DETACHABLE BRUSH PART |
| DE102006060133A1 (en) * | 2006-12-18 | 2008-06-19 | Braun Gmbh | Toothbrush and attachment for this purpose |
| WO2013009362A1 (en) * | 2011-07-12 | 2013-01-17 | Colgate-Palmolive Company | Toothbrush and toothbrush handle |
| CN203539472U (en) * | 2013-09-29 | 2014-04-16 | 深圳瑞圣特电子科技有限公司 | High-frequency electric toothbrush |
| CN207041590U (en) * | 2017-02-23 | 2018-02-27 | 深圳市加卓特科技有限公司 | Electric toothbrush head and electric toothbrush |
| CN207323577U (en) * | 2017-03-23 | 2018-05-08 | 江门市西屋厨房小家电有限公司 | A kind of connection structure of electric toothbrush |
| CN107616854A (en) * | 2017-09-30 | 2018-01-23 | 广东雪洁日化用品有限公司 | A kind of electric toothbrush |
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