CN212850209U - Toothbrush core and electric toothbrush - Google Patents

Abstract

The utility model discloses a toothbrush core and electric toothbrush relates to electric toothbrush technical field. The toothbrush movement comprises a support, a rotor and a stator, wherein the support comprises a support main body and a motor cover. Set up drive space and with the drive hole of drive space intercommunication in the support main part, the rotor can insert drive space through the drive hole, the one end of the pivot of rotor is rotated with the inner wall in drive space and is connected, the other end stretches out drive space through the drive hole for be connected with the brush head, the stator is installed in the support main part, and corresponds with the rotor. The outer edge of the driving hole far away from one end of the driving space is a connecting end, the motor cover is connected to the connecting end, and the rotating shaft of the rotor is sleeved with the motor cover, so that the rotating shaft is rotatably connected to the driving hole. The toothbrush core and the electric toothbrush both have the characteristic of small volume.

Description

Toothbrush core and electric toothbrush

Technical Field

The utility model relates to an electric toothbrush technical field particularly, relates to a toothbrush core and electric toothbrush.

Background

The existing electric toothbrush generally comprises a motor, a bracket and a shell, wherein the motor is provided with a shell and is wrapped by the bracket, so that the bracket is large in size, and the bracket is arranged in the shell, so that the size of the shell is large, the shape design of the shell is influenced, and the use experience of a user is also influenced.

In view of the above, it is important to develop a toothbrush core and an electric toothbrush that can solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a toothbrush core, it has the less characteristics of volume.

Another object of the present invention is to provide an electric toothbrush, which has a smaller size.

The utility model provides a technical scheme:

in a first aspect, an embodiment of the present invention provides a toothbrush core, including a bracket, a rotor, and a stator, where the bracket includes a bracket main body and a motor cover; the brush head cleaning device comprises a bracket main body, a rotor, a stator and a brush head, wherein the bracket main body is provided with a driving space and a driving hole communicated with the driving space, the rotor can be inserted into the driving space through the driving hole, one end of a rotating shaft of the rotor is rotatably connected with the inner wall of the driving space, the other end of the rotating shaft of the rotor extends out of the driving space through the driving hole to be connected with the brush head, and the stator is arranged in the bracket main body and corresponds to the rotor; the outer edge of one end of the driving space, which is far away from the driving hole, is a connecting end, the motor cover is connected to the connecting end and sleeved on the rotating shaft of the rotor, and therefore the rotating shaft is rotatably connected to the driving hole.

With reference to the first aspect, in a first implementation manner of the first aspect, a first positioning portion is disposed at one end of the motor cover, which is close to the driving hole, and a second positioning portion is disposed on the connecting end, where the first positioning portion is matched with the second positioning portion.

With reference to the first aspect and the foregoing implementation manner, in a second implementation manner of the first aspect, the first positioning portion is a protrusion protruding from the motor cover, the second positioning portion is a positioning hole opened in the connecting end, and the protrusion is matched with the positioning hole.

With reference to the first aspect and the foregoing implementation manner, in a third implementation manner of the first aspect, the motor cover is provided with a plurality of third positioning portions, and the plurality of third positioning portions are located in the driving hole and are disposed close to the inner wall of the driving hole.

With reference to the first aspect and the foregoing implementation manner, in a fourth implementation manner of the first aspect, the end surface of the tail end of the third positioning portion is a third guide end surface, a third guide inclined surface is disposed at an edge of one side of the third guide end surface, which is close to the inner wall of the driving hole, and the third guide inclined surface is deviated to the center of the third guide end surface.

With reference to the first aspect and the foregoing implementation manner, in a fifth implementation manner of the first aspect, the bracket further includes a connecting member, and the motor cover is connected to the connecting end through the connecting member.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in a sixth implementation manner of the first aspect, the connecting member is a screw.

With reference to the first aspect and the foregoing implementation manner, in a seventh implementation manner of the first aspect, the motor cover is provided with a fourth positioning portion, the bracket main body is provided with a fifth positioning portion, the fourth positioning portion is disposed close to the fifth positioning portion, and the fourth positioning portion and the fifth positioning portion jointly form a long strip-shaped protrusion and are jointly used for being matched with an inner wall of the electric toothbrush housing.

With reference to the first aspect and the foregoing implementation manner, in an eighth implementation manner of the first aspect, a sixth positioning portion is convexly disposed on the stator, and the sixth positioning portion is disposed close to the fifth positioning portion and forms, together with the fifth positioning portion and the fourth positioning portion, a long-strip-shaped protrusion extending along the length direction of the bracket main body, so as to be used for being matched with an inner wall of the electric toothbrush housing together.

In a second aspect, the embodiment of the present invention further provides an electric toothbrush, which includes a brush head and the toothbrush core, wherein the toothbrush core includes a bracket, a rotor, and a stator, and the bracket includes a bracket main body and a motor cover; the bracket main body is provided with a driving space and a driving hole communicated with the driving space, the rotor can be inserted into the driving space through the driving hole, one end of a rotating shaft of the rotor is rotatably connected with the inner wall of the driving space, the other end of the rotating shaft extends out of the driving space through the driving hole and is used for being connected with a brush head, and the stator is arranged on the bracket main body and corresponds to the rotor; the outer edge of one end of the driving space, which is far away from the driving hole, is a connecting end, the motor cover is connected to the connecting end and sleeved on the rotating shaft of the rotor, and therefore the rotating shaft is rotatably connected to the driving hole.

Compared with the prior art, the embodiment of the utility model provides a toothbrush core includes for prior art's beneficial effect:

the toothbrush core comprises a support, a rotor and a stator, wherein the support comprises a support main body and a motor cover, a driving space and a driving hole are formed in the support main body, the driving hole is communicated with the driving space, the rotor can be inserted into the driving space through the driving hole, in addition, one end of a rotating shaft of the rotor can be rotationally connected with the inner wall of the driving space, the other end of the rotating shaft of the rotor extends out of the driving space through the driving hole and is used for being connected with a brush head, the outer edge of one end, away from the driving space, of the driving hole is a connecting end, the motor cover is connected with the connecting end, the rotating shaft of the rotor is sleeved with the motor cover and is rotationally connected with the driving hole, the rotor is rotationally connected with the support, the stator is installed in the support main body and corresponds. So, come the joint rotation through support main part and motor lid to connect the rotor, and connect the stator through support main part to form vibrating motor on the support, thereby make vibrating motor on the toothbrush core need not independent setting shell, its holistic volume is less.

The embodiment of the utility model provides an electric toothbrush is the same with foretell toothbrush core for prior art's beneficial effect for prior art's beneficial effect, no longer gives unnecessary details here.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic structural view of a toothbrush core applied to an electric toothbrush according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a toothbrush core according to an embodiment of the present invention.

Fig. 3 is an exploded view of the toothbrush core according to the embodiment of the present invention.

Fig. 4 is an exploded view of a bracket of a toothbrush core according to an embodiment of the present invention.

Fig. 5 is a schematic perspective view of a motor cover of a toothbrush movement according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of a motor cover of a toothbrush movement provided in an embodiment of the present invention at another viewing angle.

Icon: 100-an electric toothbrush; 20-a brush head; 30-a housing; 10-a toothbrush cartridge; 11-a scaffold; 111-a stent body; 112-a drive space; 113-a drive aperture; 114-a connection end; 1142-a second locator; 115-a fifth location section; 116-a motor cover; 1161-a first positioning portion; 1163-a third locator; 1168-a third leading end surface; 1169-a third guide ramp; 1164-a fourth locator; 117-a connector; 12-a vibration motor; 121-a rotor; 122-a rotating shaft; 123-bearing; 124-a stator; 1246-sixth locator; 13-a battery; 14-sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

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. The terms "upper", "lower", "inner", "outer", "left", "right", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally used to place the products of the present invention, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes in detail embodiments of the present invention with reference to the accompanying drawings.

Example (b):

referring to fig. 1, fig. 1 is a schematic structural view of a toothbrush core 10 applied to an electric toothbrush 100 according to an embodiment of the present invention.

The embodiment of the utility model provides a toothbrush core 10, this toothbrush core 10 has the less characteristics of volume. The toothbrush movement 10 can be applied to a scene requiring vibration, such as an electric toothbrush 100, a depilating apparatus, a beauty apparatus, a skin tendering apparatus, and a tooth rinsing apparatus. Of course, the toothbrush cartridge 10 can also be used independently.

Taking the example that the toothbrush core 10 is applied to the electric toothbrush 100, the electric toothbrush 100 may further include a brush head 20, the toothbrush core 10 is connected to the brush head 20, so that the brush head 20 is driven to vibrate by the toothbrush core 10; in addition, the electric toothbrush 100 may further include a housing 30, and the toothbrush cartridge 10 is disposed in the housing 30 and has one end extending out of the housing 30 to be connected with the brush head 20. Because the electric toothbrush 100 adopts the toothbrush core 10 provided by the embodiment of the present invention, the electric toothbrush 100 also has the characteristic of small volume.

The structure, operation principle and advantageous effects of the toothbrush core 10 according to the embodiment of the present invention will be described in detail below.

Referring to fig. 2, fig. 3 and fig. 4, fig. 2 is a schematic perspective view of a toothbrush movement 10 according to an embodiment of the present invention. Fig. 3 is an exploded view of the toothbrush core 10 according to the embodiment of the present invention. Fig. 4 is an exploded view of the bracket 11 of the toothbrush core 10 according to the embodiment of the present invention.

The toothbrush movement 10 comprises a bracket 11, a rotor 121 and a stator 124, wherein the bracket 11 comprises a bracket main body 111 and a motor cover 116, a driving space 112 and a driving hole 113 are arranged on the bracket main body 111, the driving hole 113 communicates with the driving space 112, the rotor 121 can be inserted into the driving space 112 through the driving hole 113, and, one end of the rotation shaft 122 of the rotor 121 is rotatably connected with the inner wall of the driving space 112, and the other end thereof is protruded out of the driving space 112 through the driving hole 113, for connecting with the brush head 20, the outer edge of the driving hole 113 away from the end of the driving space 112 is a connecting end 114, a motor cover 116 is connected to the connecting end 114, and is sleeved on the rotating shaft 122 of the rotor 121 to rotatably connect the rotating shaft 122 to the driving hole 113, thereby rotatably connecting the rotor 121 to the bracket 11, and the stator 124 is mounted to the bracket body 111, corresponding to the rotor 121, so as to drive the rotor 121 to rotate, and the brush head 20 is driven by the rotating shaft 122 of the rotor 121 to vibrate. In this way, the rotor 121 is connected to the holder main body 111 and the motor cover 116 to rotate together, and the stator 124 is connected to the holder main body 111 to form the vibration motor 12 on the holder 11, so that the vibration motor 12 on the toothbrush movement 10 does not need to be separately provided with a housing, and the entire volume is small.

In the present embodiment, the holder main body 111 has an elongated shape, and the driving hole 113 is located at one end of the holder main body 111. The toothbrush movement 10 may further include a battery 13, the battery 13 is mounted on the bracket main body 111, so that the vibration motor 12 and the battery 13 are mounted through the bracket main body 111, and in this embodiment, the bracket main body 111 is an integrally formed structure, thereby further reducing the volume of the toothbrush movement 10. The toothbrush core 10 may further include a sealing ring 14, the sealing ring 14 is sleeved on the rotating shaft 122 and the motor cover 116, and when the toothbrush core 10 is disposed in the casing 30, the sealing ring 14 abuts against the inner wall of the casing 30, so as to prevent impurities such as water from entering the casing 30 through a gap between the rotating shaft 122 and the casing 30. In addition, the rotor 121 may further include two bearings 123, the two bearings 123 are both sleeved on the rotating shaft 122, one bearing 123 is installed on the inner wall of the driving space 112, and the other bearing 123 is installed on the motor cover 116, so as to rotatably connect the bearing 123 to the bracket 11.

In addition, in the present embodiment, the number of the stators 124 is two, and the two stators 124 are mounted on the two holes of the bracket 11, which are communicated with the driving space 112, to form the vibration motor 12, so as to form the vibration motor 12, while reducing the overall size of the toothbrush movement 10, the overall size of the vibration motor 12 is not reduced, compared with the prior art, the rotor 121 and the stators 124 of the vibration motor 12 of the toothbrush movement 10 provided in the present embodiment may have larger sizes, thereby increasing the torque of the vibration motor 12.

Further, the bracket 11 may further include a connection member 117, and the motor cover 116 is connected to the connection end 114 through the connection member 117. It should be noted that, in the present embodiment, the connecting members 117 are screws to lock the motor cover 116 to the connecting end 114, and in the present embodiment, the connecting members 117 are multiple and are disposed around the driving hole 113 to improve the stability of the motor cover 116 connected to the connecting end 114. In other embodiments, the motor cover 116 may also be connected to the bracket main body 111 by bonding, welding, or clamping, and the embodiment does not limit the specific connection manner.

With continuing reference to fig. 2, fig. 3 and fig. 4, and with reference to fig. 5, fig. 5 is a schematic perspective view of a motor cover 116 of the toothbrush movement 10 according to an embodiment of the present invention.

One end of the motor cover 116 close to the driving hole 113 may be provided with a first positioning portion 1161, the connecting end 114 is provided with a second positioning portion 1142, and the first positioning portion 1161 and the second positioning portion 1142 are matched, so that the motor cover 116 is aligned with the connecting end 114, and the assembling precision and convenience are improved.

It should be noted that, in this embodiment, the first positioning portion 1161 is a protrusion protruding from the motor cover 116, and the second positioning portion 1142 is a positioning hole opened on the connecting end 114, and the protrusion can be inserted into the positioning hole to cooperate with the positioning hole. In addition, chamfers may be disposed at the ends of the first positioning portions 1161 and the opening edges of the positioning holes, so that the first positioning portions 1161 may be more easily inserted into the second positioning portions 1142.

In other embodiments, the first positioning portion 1161 may also be a protrusion protruding from the connecting end 114, and the second positioning portion 1142 may also be a positioning hole opened on the motor cover 116.

Further, a plurality of third positioning portions 1163 may be further disposed on the motor cover 116, the third positioning portions 1163 are located in the driving hole 113 and are disposed near an inner wall of the driving hole 113, in other words, when the motor cover 116 is connected to the connecting end 114, the third positioning portions 1163 are inserted into the driving hole 113, and the third positioning portions 1163 near the driving hole 113 may position the motor cover 116 relative to the driving hole 113, so as to facilitate accurate docking of the motor cover 116 and the driving hole 113, and further improve accuracy and convenience of assembling the motor cover 116.

Further, the end surface of the third positioning portion 1163 is a third guiding end surface 1168, and a side edge of the third guiding end surface 1168 close to the inner wall of the driving hole 113 may be provided with a third guiding inclined surface 1169, and the third guiding inclined surface 1169 is disposed to be offset to the center of the third guiding end surface 1168. As shown in fig. 5, in this way, in the process of connecting the motor cover 116 to the connection end 114, the third positioning portion 1163 may be guided by the third guide slope 1169 to be offset toward the center of the driving hole 113, so as to further improve the convenience of assembling the motor cover 116.

With continuing reference to fig. 2, 3 and 4, and with reference to fig. 6, fig. 6 is a schematic perspective view of the motor cover 116 of the toothbrush movement 10 according to the embodiment of the present invention from another perspective.

The motor cover 116 may further include a fourth positioning portion 1164, the holder main body 111 may further include a fifth positioning portion 115, the fourth positioning portion 1164 is disposed near the fifth positioning portion 115, and the fifth positioning portion 115 and the fourth positioning portion 1164 are both strip-shaped protrusions, and the strip-shaped protrusions are used for positioning portions matched with an inner wall of the casing 30 of the electric toothbrush 100, so as to limit a position of the toothbrush movement 10 in the casing 30. Furthermore, the positioning portion extending from the bracket main body 111 to the motor cover 116 is engaged with the inner wall of the housing 30, and the above-mentioned engagement relationship also restricts the positional relationship of the motor cover 116 with respect to the bracket main body 111, so as to improve the stability of the connection of the motor cover 116 to the bracket main body 111.

Furthermore, a sixth positioning portion 1246 may be further protruded from the stator 124, the sixth positioning portion 1246 is disposed close to the fifth positioning portion 115, and forms a long protrusion extending along the length direction of the bracket main body 111 together with the fifth positioning portion 115 and the fourth positioning portion 1164, so as to be used for cooperating with the inner wall of the casing 30 of the electric toothbrush 100 together, thereby limiting the positions of the stator 124, the bracket main body 111, and the motor cover 116 of the toothbrush movement 10 in the casing 30. Meanwhile, the above-mentioned mutual matching relationship also limits the positional relationship of the stator 124 with respect to the bracket main body 111 and the motor cover 116, so as to improve the stability of the stator 124 connected to the bracket main body 111.

The embodiment of the utility model provides a toothbrush core 10's theory of operation is:

the toothbrush core 10 comprises a bracket 11, a rotor 121 and a stator 124, wherein the bracket 11 comprises a bracket main body 111 and a motor cover 116, the bracket main body 111 is provided with a driving space 112 and a driving hole 113, the driving hole 113 communicates with the driving space 112, the rotor 121 can be inserted into the driving space 112 through the driving hole 113, and, one end of the rotation shaft 122 of the rotor 121 is rotatably connected with the inner wall of the driving space 112, and the other end thereof is protruded out of the driving space 112 through the driving hole 113, for connecting with the brush head 20, the outer edge of the driving hole 113 away from the end of the driving space 112 is a connecting end 114, a motor cover 116 is connected to the connecting end 114, and is sleeved on the rotating shaft 122 of the rotor 121 to rotatably connect the rotating shaft 122 to the driving hole 113, thereby rotatably connecting the rotor 121 to the bracket 11, and the stator 124 is mounted to the bracket body 111, corresponding to the rotor 121, so as to drive the rotor 121 to rotate, and the brush head 20 is driven by the rotating shaft 122 of the rotor 121 to vibrate. In this way, the rotor 121 is connected to the holder main body 111 and the motor cover 116 to rotate together, and the stator 124 is connected to the holder main body 111 to form the vibration motor 12 on the holder 11, so that the vibration motor 12 on the toothbrush movement 10 does not need to be separately provided with a housing, and the entire volume is small.

In summary, the following steps:

the embodiment of the utility model provides a toothbrush core 10, it has the less characteristics of volume.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that the features in the above embodiments may be combined with each other without conflict, and various modifications and variations of the present invention are possible. 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. The present embodiments are to be considered as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A toothbrush movement is characterized by comprising a bracket (11), a rotor (121) and a stator (124), wherein the bracket (11) comprises a bracket main body (111) and a motor cover (116);

the toothbrush holder is characterized in that a driving space (112) and a driving hole (113) communicated with the driving space (112) are formed in the holder main body (111), the rotor (121) can be inserted into the driving space (112) through the driving hole (113), one end of a rotating shaft (122) of the rotor (121) is rotatably connected with the inner wall of the driving space (112), the other end of the rotating shaft extends out of the driving space (112) through the driving hole (113) to be connected with a toothbrush head (20), and the stator (124) is mounted on the holder main body (111) and corresponds to the rotor (121);

the outer edge of one end, far away from the driving space (112), of the driving hole (113) is a connecting end (114), the motor cover (116) is connected to the connecting end (114) and sleeved on a rotating shaft (122) of the rotor (121), and therefore the rotating shaft (122) is rotatably connected to the driving hole (113).

2. The toothbrush movement according to claim 1, wherein a first positioning portion (1161) is disposed at an end of the motor cover (116) close to the driving hole (113), a second positioning portion (1142) is disposed on the connecting end (114), and the first positioning portion (1161) is engaged with the second positioning portion (1142).

3. The toothbrush core according to claim 2, wherein the first positioning portion (1161) is a protrusion protruding from the motor cover (116), and the second positioning portion (1142) is a positioning hole opened in the connecting end (114), and the protrusion is engaged with the positioning hole.

4. The toothbrush movement according to claim 1, wherein a plurality of third positioning portions (1163) are provided on the motor cover (116), and the plurality of third positioning portions (1163) are located in the driving hole (113) and are disposed close to an inner wall of the driving hole (113).

5. The toothbrush movement according to claim 4, wherein the end surface of the third positioning portion (1163) is a third guiding end surface (1168), a third guiding inclined surface (1169) is provided at an edge of one side of the third guiding end surface (1168) close to the inner wall of the driving hole (113), and the third guiding inclined surface (1169) is offset to the center of the third guiding end surface (1168).

6. A toothbrush cartridge as claimed in any one of claims 1 to 5, wherein the holder (11) further comprises a connector (117), the motor cover (116) being connected to the connecting end (114) by the connector (117).

7. A toothbrush cartridge as claimed in claim 6, characterised in that the connector (117) is a screw.

8. The toothbrush movement according to any one of claims 1 to 5, wherein a fourth positioning portion (1164) is provided on the motor cover (116), a fifth positioning portion (115) is provided on the holder main body (111), the fourth positioning portion (1164) is provided near the fifth positioning portion (115), and the fourth positioning portion (1164) and the fifth positioning portion (115) together form a long-strip-shaped protrusion and are used together for matching with an inner wall of a housing (30) of the electric toothbrush (100).

9. The toothbrush movement according to claim 8, wherein a sixth positioning portion (1246) is convexly arranged on the stator (124), the sixth positioning portion (1246) is arranged close to the fifth positioning portion (115), and forms an elongated protrusion extending along the length direction of the bracket main body (111) together with the fifth positioning portion (115) and the fourth positioning portion (1164) so as to be used together for matching with the inner wall of the housing (30) of the electric toothbrush (100).

10. An electric toothbrush, comprising a brush head (20) and a toothbrush cartridge (10) according to any one of claims 1 to 9, the brush head (20) being connected to the shaft (122).

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