CN214285262U

CN214285262U - Electric toothbrush head and electric toothbrush

Info

Publication number: CN214285262U
Application number: CN202023056943.6U
Authority: CN
Inventors: 雷德贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-28
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses an electronic brush head and electric toothbrush relates to daily instrument technical field. Wherein, electronic brush head includes: the brush head is connected with the brush rod, the mounting head is provided with a mounting cavity, and the brush rod is provided with a power hole; the brush hair component comprises brush hair and a brush plate; the brush board is equipped with transmission structure on the extending direction in power hole, and transmission structure is including seting up the transmission hole on the brush board to and locate the transmission downthehole and with the two sets of transmission archs that the brush board is connected, two sets of transmission archs set up relatively. When the transmission shaft rotates at a high speed, the two groups of transmission bulges are continuously extruded to enable the brush board to swing left and right at a high speed around the connecting component, and then the brush hair is driven to swing at a high speed to clean teeth; therefore, the technical problems that the bristles of the electric toothbrush in the prior art are too hard or too soft, the use comfort level is low, and the cleaning of teeth is not thorough in the prior art are solved.

Description

Electric toothbrush head and electric toothbrush

Technical Field

The utility model relates to a daily instrument technical field especially relates to an electric brush head and electric toothbrush.

Background

When a conventional toothbrush is used to brush teeth, plaque is difficult to remove, and if the conventional toothbrush is used and the teeth are brushed in an inappropriate manner, the cleaning effect of the conventional toothbrush is greatly reduced, and even gums and teeth are seriously damaged. With the progress of science and technology, the requirements of people on the living standard are continuously improved, the electric toothbrush can avoid the harm of the traditional toothbrush by virtue of the electric toothbrush, meanwhile, the electric toothbrush brings fun and enjoyment to people, and is gradually accepted by the market.

In the prior art, the bristles of the electric toothbrush are too hard or too soft, so that the use comfort level is low, and the teeth are not cleaned thoroughly; therefore, the prior art needs to be improved, a more reasonable technical scheme is provided, and the problems in the prior art are solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric toothbrush head, which is used for solving the technical problems that the bristles of the electric toothbrush in the prior art are too hard or too soft, the use comfort is low, and the teeth are not thoroughly cleaned.

In a first aspect, the present novel embodiment of use provides a powered brush head comprising: the brush head is connected with the brush rod, the mounting head is provided with a mounting cavity, the brush rod is provided with a power hole, the power hole is communicated with the mounting cavity, and one end of the brush component is arranged in the mounting cavity and is rotatably connected with the mounting head through the connecting component;

the brush component comprises brush hair and a brush board, the brush hair is connected with the brush board, and the brush board is arranged in the mounting cavity and is connected with the mounting head through a connecting component; the brush board is equipped with transmission structure on the extending direction in power hole, and transmission structure is including seting up the transmission hole on the brush board to and locate the transmission downthehole and with the two sets of transmission archs that the brush board is connected, two sets of transmission archs set up relatively.

The utility model provides an electric brush head which is suitable for an external electric toothbrush, the external electric toothbrush comprises a transmission shaft matched with a transmission structure; the periphery of the transmission shaft is provided with a convex structure matched with the transmission protrusions, and when the transmission shaft rotates at a high speed, the two groups of transmission protrusions are continuously extruded to enable the brush board to swing at a high speed left and right around the connecting component, so that the brush hair is driven to swing at a high speed to clean teeth. The brush plate can be completely or partially arranged in the accommodating cavity, and a gap exists between the bottom of the brush plate and the accommodating cavity, so that a swinging space is provided for the brush plate to swing at a high speed. When the toothbrush is produced and used, the swinging amplitude of the bristles and the hardness of the bristles can be changed by changing the distance between the connecting component and the transmission structure according to the applicable age or the applicable person condition. The embodiment of the utility model provides an electronic brush head, simple structure, low in production cost uses more comfortablely, and power is comparatively powerful. Therefore, the technical problems that the bristles of the electric toothbrush in the prior art are too hard or too soft, the use comfort level is low, and the cleaning of teeth is not thorough in the prior art are solved.

The mounting head can not rotate when in use, and compared with the electric toothbrush head in the prior art, the electric toothbrush head is more comfortable to use; moreover, the mounting head can be set into different shapes, so that the tooth brushing experience is not influenced. The electric toothbrush head can be provided with a connector which is detachably connected with a toothbrush handle of the electric toothbrush, so that the electric toothbrush head can be replaced quickly.

Preferably, the two sets of transmission protrusions are arranged horizontally and oppositely.

The two groups of transmission bulges can be arranged horizontally relatively so as to drive the brush plate to rotate quickly around the connecting component when the rotating shaft provided with the convex structure rotates. The two groups of transmission bulges can also be arranged oppositely and inclined with the horizontal plane by a certain angle which is less than 30 degrees; so that when the rotating shaft provided with the convex structure rotates, the convex structure can not extrude the transmission bulge upwards, and further the brush plate is prevented from extruding the connecting component.

Preferably, the electric brush head further comprises a waterproof layer which is arranged between the bristle assembly and the mounting head.

The waterproof layer is arranged for preventing external water from entering the mounting cavity through a gap between the bristle component and the mounting head to form dirt; the waterproof layer can be a silica gel layer or other waterproof layers, and the waterproof layer should have certain flexibility and does not prevent the brush hair component from swinging around the connecting component.

Preferably, the electric brush head further comprises a silica gel cover, the silica gel cover is connected with the periphery of the brush plate and is sleeved on the periphery of the mounting head and then connected with the brush rod.

In the embodiment of the utility model, in order to reduce the production cost of the electric toothbrush, the bristle component can be only replaced. When only changing the brush hair subassembly, need guarantee that the installation intracavity can not get into external moisture and can not damage to the installation head, electronic brush head still is provided with the silica gel cover, and the silica gel cover is connected and the cover is located the periphery of installation head with the periphery of brush board, and the opening of silica gel cover cup joints on with the brush-holder stud. When changing the brush hair subassembly, take off the silica gel cover from the brush-holder stud at first, demolish coupling assembling and can take off the brush hair subassembly. Wherein, the silica gel cover can cover the installation head to external moisture can not enter into the installation cavity, when reducing brush head replacement cost, the protection is not changed the position and is not damaged. Meanwhile, the periphery of the silica gel cover can be provided with textures, so that the oral cavity can be cleaned through the textures arranged on the silica gel cover during tooth brushing.

Preferably, the bristle sub-assembly is removably connected to the mounting head by a connection assembly.

The brush hair component can be detachably connected with the mounting head through the connecting component, so that the brush head component is convenient to mount and produce; meanwhile, under the condition of being provided with the silica gel cover, the brush hair component can be directly replaced, the cost of the electric toothbrush consumables is reduced, and the pollution to the environment is reduced.

Preferably, the connecting assembly comprises a connecting piece arranged at one side close to the brush rod and a mounting piece coaxially arranged with the connecting piece;

wherein, the connecting piece includes: the connecting rod is connected with the mounting head and is axially parallel to the power hole, and the connecting hole is formed in the brush plate and is matched with the connecting rod;

the mounting piece comprises a fixing buckle, a mounting hole which is formed on the mounting head and matched with the fixing buckle, and a fixing hole which is formed on the brush board and matched with the fixing buckle; the fixing buckle is detachably connected with the mounting hole and the fixing hole.

In order to facilitate the installation and the replacement of the brush hair component, the connecting component can be arranged on the brush plate through connecting holes, two groups of dismounting holes matched with the connecting through holes and arranged on the mounting head, and a mounting shaft matched with the dismounting holes and the connecting through holes, and the brush hair component is replaced by pulling the mounting shaft. However, it is inconvenient to disassemble the bristle sub-assembly. The embodiment of the utility model provides a connecting component, which comprises a connecting piece arranged at one side close to a brush rod and an installation piece coaxially arranged with the connecting piece; wherein, the connecting piece includes: the connecting rod is connected with the mounting head and is axially parallel to the power hole, and the connecting hole is formed in the brush plate and is matched with the connecting rod; the mounting piece comprises a fixing buckle, a mounting hole which is formed on the mounting head and matched with the fixing buckle, and a fixing hole which is formed on the brush board and matched with the fixing buckle; the fixing buckle is detachably connected with the mounting hole and the fixing hole, so that the brush hair main body is convenient to detach and mount.

Preferably, the transmission structure further comprises a protection tube, the protection tube is arranged in the transmission hole and fixedly connected with the brush plate, and the two groups of transmission bulges are connected with the brush plate through the protection tube.

Set up the protection tube, mainly be in order to prevent protruding wearing and tearing under the transmission shaft drives, promote the bellied intensity of transmission, and then promote the life of electric brush head.

In a second aspect, the novel embodiment of the invention further provides an electric toothbrush, which comprises a power assembly and a brush handle, and comprises a transmission shaft and the electric toothbrush head provided by the embodiment, the electric toothbrush head is detachably connected with the brush handle, and the transmission shaft is connected with the power assembly and then extends into the power hole after passing through the power hole; the periphery of the transmission shaft is provided with a convex structure matched with the transmission protrusions, and the maximum width of the transmission shaft and the convex structure is smaller than the distance between the two groups of protrusions.

The embodiment of the utility model provides an electric toothbrush, power component are used for driving the transmission shaft and rotate, and power component locates in the brush holder. The periphery of the transmission shaft is provided with a convex structure matched with the transmission protrusions, the maximum width of the convex structure is smaller than the distance between the two groups of transmission protrusions, so that when the rotation shaft rotates, the transmission convex structure arranged on the periphery of the rotation shaft supports one transmission protrusion, the brush plate rotates around the connecting assembly, the convex structure continuously rotates to support the other transmission protrusion after the transmission protrusions swing towards one side, the brush plate moves towards the other direction, the reciprocating motion is realized, the brush plate swings around the connecting assembly at a high speed under the driving of the transmission shaft, and the tooth cleaning effect is achieved. Wherein, the brush holder can be connected with the brush-holder stud can be dismantled, is convenient for change the electronic brush head.

Preferably, the electric toothbrush further comprises a limiting pipe, the limiting pipe is arranged in the power hole and is fixedly connected with the brush rod, the transmission shaft is arranged in the limiting pipe, and the inner diameter of the limiting pipe is larger than or equal to the diameter of the transmission shaft.

The electric toothbrush is provided with the limiting pipe, and the brush rod is protected from being damaged by friction of the rotating shaft, so that the service life of the electric toothbrush is prolonged. When the inner diameter of the limiting tube is larger than the transmission shaft, the transmission shaft can be a spring shaft, and when the brush plate is pulled by an external force, the transmission shaft can be deviated and rotated to one side far away from the transmission bulge by extrusion.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic view of the connection between an electric brush head and a brush handle provided by an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a powered brush head provided in accordance with an embodiment of the present invention;

FIG. 3 is a side view of a powered brush head provided in accordance with an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a of a side view of a powered brush head provided in accordance with an embodiment of the present invention;

FIG. 5 is a side view of a powered brush head provided in accordance with an embodiment of the present invention;

fig. 6 is an enlarged view of a portion B of a side view of a powered brush head provided in an embodiment of the present invention;

FIG. 7 is a side view of a powered brush head provided in accordance with an embodiment of the present invention;

fig. 8 is an enlarged view of a portion C of a side view of a powered brush head provided in accordance with an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a powered brush head provided in accordance with an embodiment of the present invention;

fig. 10 is a partial cross-sectional partial D enlarged view of a powered brush head provided in an embodiment of the present invention;

fig. 11 is a schematic structural view of an electric toothbrush according to an embodiment of the present invention.

Icon: 10-an electric brush head; 11-a mounting head; 12-a brush bar; 13-a bristle assembly; 14-a connecting assembly; 111-a mounting cavity; 121-power hole; 131-bristles; 132-a brush plate; 1321-a transmission structure; 1322-drive bore; 1323-drive lobe; 15-waterproof layer; 151-a silicone cover; 141-a connector; 142-a mounting member; 1411-a connecting rod; 1412-connecting hole; 1421-anchor button; 1422-mounting holes; 1423-fixation holes; 1426-protective tube; 1-an electric toothbrush; 20-a power assembly; 30-a brush handle; 40-a transmission shaft; a 41-convex structure; 16-a limiting pipe.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Referring to fig. 1-11, a powered toothbrush head 10 according to the present invention includes: the brush head comprises a mounting head 11, a brush rod 12, a bristle component 13 and a connecting component 14, wherein the mounting head 11 is connected with the brush rod 12, the mounting head 11 is provided with a mounting cavity 111, the brush rod 12 is provided with a power hole 121, the power hole 121 is communicated with the mounting cavity 111, and one end of the bristle component 13 is arranged in the mounting cavity 111 and is rotatably connected with the mounting head 11 through the connecting component 14;

the bristle component 13 comprises bristles 131 and a brush plate 132, the bristles 131 are connected with the brush plate 132, and the brush plate 132 is arranged in the mounting cavity 111 and is connected with the mounting head 11 through the connecting component 14; the brush plate 132 is provided with a transmission structure 1321 in the extending direction of the power hole 121, the transmission structure 1321 includes a transmission hole 1322 formed on the brush plate 132, and two sets of transmission protrusions 1323 arranged in the transmission hole 1322 and connected with the brush plate 132, and the two sets of transmission protrusions 1323 are oppositely arranged.

The utility model provides an electric brush head 10 which is suitable for an external electric toothbrush 1, the external electric toothbrush 1 comprises a transmission shaft 40 matched with a transmission structure 1321; the transmission shaft 40 is provided at its outer periphery with a convex structure 41 matching with the transmission protrusions 1323, and when the transmission shaft 40 rotates at a high speed, the two sets of transmission protrusions 1323 are continuously squeezed to make the brush plate 132 swing left and right around the connecting assembly 14 at a high speed, so as to drive the bristles 131 to swing at a high speed to clean the teeth. The brush plate 132 may be completely or partially disposed in the accommodating cavity, and a gap exists between the bottom of the brush plate 132 and the accommodating cavity, so as to provide a swinging space for the brush plate 132 to swing at a high speed. During production and application, the swinging amplitude of the bristles 131 and the hardness of the bristles 131 can be changed by changing the distance between the connecting assembly 14 and the transmission structure 1321 according to the applicable age or the applicable condition. The embodiment of the utility model provides an electronic brush head 10, simple structure, low in production cost uses more comfortablely, and power is comparatively powerful. Therefore, the technical problems that the bristles 131 of the electric toothbrush 1 in the prior art are too hard or too soft, the use comfort level is low, and the cleaning of teeth is not thorough in the prior art are solved.

Wherein, the mounting head 11 can not rotate when in use, and compared with the head of the electric toothbrush 1 in the prior art, the electric toothbrush is more comfortable to use; also, the mounting head 11 can be provided in different shapes without affecting the brushing experience. The electric toothbrush head 10 can be provided with a connector which is detachably connected with the brush handle 30 of the electric toothbrush 1 so as to rapidly replace the electric toothbrush head 10.

Preferably, the two sets of drive lugs 1323 are arranged horizontally relative to one another.

In one embodiment, the two sets of driving protrusions 1323 may be disposed horizontally to drive the brush plate 132 to rotate around the connecting assembly 14 when the rotating shaft with the convex structure 41 rotates. The two sets of transmission protrusions 1323 can also be arranged oppositely and inclined with the horizontal plane by a certain angle, and the angle is smaller than 30 degrees; so that the protruding structure 41 does not press the driving protrusion 1323 upward when the rotating shaft provided with the protruding structure 41 rotates, thereby preventing the brush plate 132 from pressing the coupling assembly 14.

Preferably, the electric brush head 10 further includes a waterproof layer 15, and the waterproof layer 15 is provided between the bristle sub-assembly 13 and the mounting head 11.

In specific implementation, the waterproof layer 15 is provided to mainly prevent external water from entering the mounting cavity 111 through the gap between the bristle assembly 13 and the mounting head 11 to form dirt; the waterproof layer 15 can be a silica gel layer or other waterproof layers 15, and the waterproof layer 15 should have certain flexibility so as not to prevent the bristle assembly 13 from swinging around the connecting assembly 14.

Preferably, the electric brush head 10 further includes a silicone cover 151, and the silicone cover 151 is connected to the outer periphery of the brush plate 132, and is sleeved on the outer periphery of the mounting head 11 and then connected to the brush rod 12.

In particular, only the bristle set 13 may be replaced in order to reduce the production cost of the electric toothbrush 1. When only changing brush hair subassembly 13, need guarantee in the installation cavity 111 can not get into external moisture and can not damage to installation head 11, electronic brush head 10 still is provided with silica gel cover 151, and silica gel cover 151 is connected and the cover is located the periphery of installation head 11 with the periphery of brush board 132, and the opening of silica gel cover 151 cup joints on with brush-holder stud 12. When the bristle sub-assembly 13 is to be replaced, the silicone cap 151 is first removed from the brush rod 12, and the attachment sub-assembly 14 is removed to remove the bristle sub-assembly 13. The silica gel cover 151 can cover the mounting head 11, and outside moisture cannot enter the mounting cavity 111, so that the replacement cost of the brush head is reduced, and meanwhile, the part which is not replaced is protected from being damaged. Meanwhile, the periphery of the silica gel cover 151 can be provided with textures, so that the oral cavity can be cleaned through the textures arranged on the silica gel cover 151 during tooth brushing.

Preferably, the bristle sub-assembly 13 is removably attached to the mounting head 11 by a connecting sub-assembly 14.

In particular, the bristle component 13 can be detachably connected with the mounting head 11 through the connecting component 14, so that the mounting and production of the brush head component are convenient; meanwhile, under the condition of arranging the silica gel cover 151, the brush hair component 13 can be directly replaced, the cost of the electric toothbrush 1 consumables is reduced, and the pollution to the environment is reduced.

Preferably, the connecting assembly 14 includes a connecting member 141 disposed on a side adjacent to the brush bar 12 and a mounting member 142 disposed coaxially with the connecting member 141;

wherein, the connection member 141 includes: a connecting rod 1411 connected to the mounting head 11 and arranged axially in parallel with the power hole 121, and a connecting hole 1412 opened in the brush plate 132 to be matched with the connecting rod 1411;

the mounting member 142 includes a fixing buckle 1421, a mounting hole 1422 formed in the mounting head 11 and matching with the fixing buckle 1421, and a fixing hole 1423 formed in the brush plate 132 and matching with the fixing buckle 1421; the fixing buckle 1421 is detachably connected to the mounting hole 1422 and the fixing hole 1423.

To facilitate the installation and replacement of the bristle sub-assembly 13, the connecting assembly 14 may be provided with connecting through-holes on the brush plate 132, two sets of detaching holes provided on the mounting head 11 to be matched with the connecting through-holes, and a mounting shaft to be matched with the detaching holes and the connecting through-holes, and the bristle sub-assembly 13 is replaced by pulling the mounting shaft. However, it is inconvenient to disassemble the bristle sub-assembly 13. The embodiment of the present invention provides that the connection assembly 14 includes a connection member 141 disposed at a side close to the brush rod 12 and a mounting member 142 disposed coaxially with the connection member 141; wherein, the connection member 141 includes: a connecting rod 1411 connected to the mounting head 11 and arranged axially in parallel with the power hole 121, and a connecting hole 1412 opened in the brush plate 132 to be matched with the connecting rod 1411; the mounting member 142 includes a fixing buckle 1421, a mounting hole 1422 formed in the mounting head 11 and matching with the fixing buckle 1421, and a fixing hole 1423 formed in the brush plate 132 and matching with the fixing buckle 1421; the fixing buckle 1421 is detachably connected to the mounting hole 1422 and the fixing hole 1423, so as to facilitate the detachment and installation of the main body of the bristle 131.

Preferably, the transmission structure 1321 further includes a protection tube 1426, the protection tube 1426 is disposed in the transmission hole 1322 and is fixedly connected to the brush plate 132, and the two sets of transmission protrusions 1323 are connected to the brush plate 132 through the protection tube 1426.

During the concrete implementation, set up protection tube 1426, mainly be in order to prevent that the arch from wearing and tearing under the drive of transmission shaft 40, promote the protruding 1323's of transmission intensity, and then promote the life of electric brush head 10.

In a second aspect, the present invention provides an electric toothbrush 1, where the electric toothbrush 1 includes a power assembly 20 and a handle 30, and includes a transmission shaft 40 and the head of the electric toothbrush 1 provided in the above embodiment, the head of the electric toothbrush 1 is detachably connected to the handle 30, and the transmission shaft 40 is connected to the power assembly 20 and then extends into the power hole 121 after passing through the power hole 121; the periphery of the transmission shaft 40 is provided with a convex structure 41 matched with the transmission protrusion 1323, and the maximum width of the transmission shaft 40 and the convex structure 41 is smaller than the distance between the two groups of protrusions.

In the electric toothbrush 1 of the present invention, the power assembly 20 is used to drive the transmission shaft 40 to rotate, and the power assembly 20 is disposed in the brush handle 30. The periphery of the transmission shaft 40 is provided with a convex structure 41 matched with the transmission protrusions 1323, the maximum width of the convex structure 41 is smaller than the distance between the two groups of transmission protrusions 1323, so that when the rotation shaft rotates, the transmission convex structure 41 arranged on the periphery of the rotation shaft abuts against one transmission protrusion 1323, the brush plate 132 rotates around the connecting assembly 14, after the transmission protrusions 1323 swing towards one side, the convex structure 41 continuously rotates to abut against the other transmission protrusion 1323, the brush plate 132 moves towards the other direction, and therefore reciprocating is achieved, the brush plate 132 is driven by the transmission shaft 40 to swing around the connecting assembly 14 at a high speed, and the tooth cleaning effect is achieved. Wherein, the brush handle 30 can be detachably connected with the brush rod 12, which is convenient for replacing the electric brush head 10.

Preferably, the electric toothbrush 1 further comprises a limiting tube 16, the limiting tube 16 is disposed in the power hole 121 and is fixedly connected to the brush rod 12, the transmission shaft 40 is disposed in the limiting tube 16, and the inner diameter of the limiting tube 16 is greater than or equal to the diameter of the transmission shaft 40.

During specific implementation, the electric toothbrush 1 is provided with the limiting pipe 16, the brush rod 12 is protected from being damaged by friction of the rotating shaft, and the service life of the electric toothbrush 1 is prolonged. When the inner diameter of the limiting tube 16 is larger than that of the transmission shaft 40, the transmission shaft 40 may be a elastic shaft, and when the brush plate 132 is pulled by an external force, the transmission shaft 40 is extruded to be offset to one side far away from the transmission protrusion 1323 and rotate.

In short, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrically powered brushhead, comprising: the brush head comprises an installation head, a brush rod, a brush component and a connection component, wherein the installation head is connected with the brush rod and is provided with an installation cavity;

the brush hair component comprises brush hair and a brush plate, the brush hair is connected with the brush plate, and the brush plate is arranged in the mounting cavity and is connected with the mounting head through the connecting component; the brush board is in be equipped with transmission structure on the extending direction in power hole, transmission structure is including offering transmission hole on the brush board with locate in the transmission hole and with two sets of transmission archs that the brush board is connected, two sets of the transmission arch sets up relatively.

2. The powered brushhead of claim 1, wherein the two sets of drive lugs are disposed horizontally in opposition.

3. The powered brushhead of claim 1, wherein the drive projections are arcuate ribs or spherical projections.

4. The powered brushhead of claim 1, further comprising a waterproof layer disposed between the bristle sub-assembly and the mounting head.

5. The electric toothbrush head of claim 1, further comprising a silicone cover, wherein the silicone cover is connected to the outer periphery of the brush plate and is sleeved on the outer periphery of the mounting head to connect to the brush rod.

6. The powered brushhead of claim 5, wherein the bristle sub-assembly is removably attached to the mounting head by the attachment assembly.

7. The powered brushhead of claim 6, wherein the connecting assembly includes a connecting member disposed on a side adjacent the wand and a mounting member disposed coaxially with the connecting member;

the mounting piece comprises a fixing buckle, a mounting hole which is formed in the mounting head and matched with the fixing buckle, and a fixing hole which is formed in the brush board and matched with the fixing buckle; the fixing buckle is detachably connected with the mounting hole and the fixing hole.

8. The electric toothbrush head of claim 1, further comprising a protective tube disposed in the transmission hole and fixedly connected to the brush plate, wherein the two sets of transmission protrusions are connected to the brush plate through the protective tube.

9. An electric toothbrush, comprising a power assembly and a handle, characterized in that the electric toothbrush comprises a transmission shaft and an electric toothbrush head as claimed in any one of claims 1 to 8, the electric toothbrush head is detachably connected with the handle, the transmission shaft is connected with the power assembly and then extends into the power hole after passing through the power hole; the periphery of the transmission shaft is provided with a convex structure matched with the transmission protrusion, and the maximum width of the transmission shaft and the convex structure is smaller than the distance between the two groups of protrusions.

10. The electric toothbrush of claim 9, further comprising a limiting tube disposed in the power hole and fixedly connected to the brush rod, wherein the transmission shaft is disposed in the limiting tube, and an inner diameter of the limiting tube is greater than or equal to a diameter of the transmission shaft.