CN212278092U - Vibrating movement and electric toothbrush - Google Patents

Abstract

The utility model discloses a vibration core and electric toothbrush relates to toothbrush technical field. The vibrating movement comprises a bracket, a rotor and a stator. The support is used for installing in electric toothbrush's shell, and the drive space has been seted up to the support, and the rotor is located the drive space, and the pivot of rotor and the inner wall rotation in drive space are connected, and the drive space is stretched out to the one end of pivot to be used for being connected with electric toothbrush's brush head, and drive the vibration of brush head. The stator is arranged on the bracket, is opposite to the rotor and is used for driving the rotor to rotate. The vibrating machine core and the electric toothbrush both have the characteristic of small volume.

Description

Vibrating movement and electric toothbrush

Technical Field

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

Background

The motor and the support of the existing electric toothbrush are two independent parts respectively, the motor is provided with a shell formed by punching metal sheets, the motor is usually wrapped by the support, the support is assembled in the shell of the electric toothbrush, and the support plays a role in supporting and fixing the motor. The support and the motor part are large in size, the shape design of the shell is influenced, the size of a handle of the electric toothbrush is too large, and a user is not easy to hold when using the electric toothbrush, so that the use experience of the user is further influenced.

In view of the above, it is important to develop a vibrating movement 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 vibration 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 vibrating movement, including a bracket, a rotor, and a stator; the support is used for being installed in a shell of the electric toothbrush, a driving space is formed in the support, the rotor is located in the driving space, a rotating shaft of the rotor is rotatably connected with the inner wall of the driving space, one end of the rotating shaft extends out of the driving space and is used for being connected with a brush head of the electric toothbrush and driving the brush head to vibrate; the stator is mounted on the bracket, is opposite to the rotor, and is used for driving the rotor to rotate.

With reference to the first aspect, in a first implementation manner of the first aspect, the bracket includes a bracket main body and an end cover, the bracket main body is provided with a driving groove, and the end cover is disposed at an opening of the driving groove to form the driving space together with an inner wall of the driving groove; the end cover is sleeved on the rotating shaft and is rotatably connected with the rotating shaft, and one end of the rotating shaft is rotatably connected with the bottom wall of the driving groove.

With reference to the first aspect and the foregoing implementation manner, in a second implementation manner of the first aspect, a first rotating connection portion is disposed in the middle of the rotating shaft, a first installation groove is disposed on one side of the end cover, which faces the driving groove, and the first rotating connection portion is clamped in the first installation groove to rotatably connect the inner wall of the driving space and the rotating shaft through the first rotating connection portion.

With the first aspect and the third implementation manner of the first aspect, in the third implementation manner of the first aspect, a second rotating connection portion is sleeved on one end of the rotating shaft, a second mounting groove is formed in the bottom wall of the driving groove, and the second rotating connection portion is clamped in the second mounting groove to rotate and connect the inner wall of the driving space and the rotating shaft through the second rotating connection portion.

With reference to the first aspect and the foregoing implementation manner, in a fourth implementation manner of the first aspect, a second mounting ring is convexly disposed on an inner wall of the driving groove, and the second mounting groove is defined by a side wall of the second mounting ring and a bottom wall of the driving groove;

the bottom wall of the driving groove is also convexly provided with a plurality of second reinforcing ribs, and the second reinforcing ribs are also connected with the outer peripheral surface of the second mounting ring and the side wall of the driving groove.

With reference to the first aspect and the foregoing implementation manner, in a fifth implementation manner of the first aspect, the rotor further includes a rotor core and a rotor coil, the rotor core is mounted on the rotating shaft, and the rotor coil is sleeved on the rotor core;

the stator comprises a magnet yoke and two magnets, the magnet yoke is mounted on the support and faces the rotor, and the two magnets are mounted on the magnet yoke at intervals.

With reference to the first aspect and the foregoing implementation manner, in a sixth implementation manner of the first aspect, the number of the stators is two, the number of the rotor cores and the number of the rotor coils are two, and the two rotor coils are sleeved on the two rotor cores one by one;

the bracket is provided with two first driving holes communicated with the driving space, the two first driving holes are oppositely arranged, the two magnet yokes are respectively arranged in the two first driving holes, and the two rotor cores are respectively opposite to the two magnet yokes.

With reference to the first aspect and the foregoing implementation manner, in a seventh implementation manner of the first aspect, the magnetic yoke is U-shaped, and the two magnets are arranged in the middle of the magnetic yoke at intervals;

and two sections of the two tail ends of the magnetic yokes are matched with the first driving opening and inserted into the first driving opening, and the two tail ends of one magnetic yoke are respectively butted with the two tail ends of the other magnetic yoke, so that the two magnetic yokes jointly surround the periphery of the rotor.

With reference to the first aspect and the foregoing implementation manner, in an eighth implementation manner of the first aspect, a limiting boss is convexly arranged on a side surface of the magnetic yoke, which faces away from the rotor, and the limiting boss abuts against an edge of the first driving opening.

In a second aspect, an embodiment of the present invention further provides an electric toothbrush, which includes the vibrating core. The vibrating movement comprises a bracket, a rotor and a stator; the support is used for being installed in a shell of the electric toothbrush, a driving space is formed in the support, the rotor is located in the driving space, a rotating shaft of the rotor is rotatably connected with the inner wall of the driving space, one end of the rotating shaft extends out of the driving space and is used for being connected with a brush head of the electric toothbrush and driving the brush head to vibrate; the stator is mounted on the bracket, is opposite to the rotor, and is used for driving the rotor to rotate.

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

the vibrating machine core comprises a support, a rotor and a stator, wherein the support is used for being installed in a shell of the electric toothbrush, a driving space is formed in the support, the rotor is located in the driving space, a rotating shaft of the rotor is connected with the inner wall of the driving space in a rotating mode, one end of the rotating shaft stretches out of the driving space to be used for being connected with a brush head of the electric toothbrush, and the brush head is driven to vibrate. And the stator is arranged on the bracket, is opposite to the rotor and is used for driving the rotor to rotate. Therefore, the rotor and the stator are installed through the support to fix the position of the stator relative to the rotor, so that the vibration motor is formed, the vibration motor on the vibration movement does not need to be provided with a shell independently, the whole volume of the vibration movement is reduced, the modeling design of a shell is facilitated, and the amplitude of oscillation or the torque and other performances of the vibration motor are conveniently adjusted by adjusting the size of the stator and the size of the rotor.

The embodiment of the present invention provides an electric toothbrush which has the same advantages as the above vibrating core relative to the prior art, and is not repeated herein.

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 an electric toothbrush with a vibrating movement according to an embodiment of the present invention.

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

Fig. 3 is an explosion diagram of the vibrating movement according to an embodiment of the present invention.

Fig. 4 is an exploded schematic view of a support of a vibrating movement according to an embodiment of the present invention.

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

Fig. 6 is a structural intention of the vibrating movement provided by the embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of the structure at a-a in fig. 6.

Fig. 8 is a schematic cross-sectional view of the structure at B-B in fig. 6.

Icon: 100-an electric toothbrush; 20-a brush head; 30-a housing; 31-a positioning groove; 10-a vibrating movement; 11-a scaffold; 110-a drive space; 111-a stent body; 1112-a drive groove; 1113-a second mounting groove; 1114 — a second mounting ring; 1115-a second stiffener; 1116-a first drive aperture; 1117-second locator; 1118-a battery compartment; 112-an end cap; 1121-first positioning projection; 1122-a second positioning projection; 1123 — a first mounting groove; 1124-second drive aperture; 1125-a third locator; 12-a rotor; 121-a rotating shaft; 1211 — a first rotational connection; 1212-a second rotational connection; 122-rotor core; 123-rotor coils; 13-a stator; 131-a magnetic yoke; 132-a first positioning portion; 133-a limiting boss; 135-a magnet; 15-a seal; 16-a battery; 17-control circuit board.

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 diagram of a vibrating movement 10 applied to an electric toothbrush 100 according to an embodiment of the present invention.

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

Taking the case that the vibration movement 10 is applied to the electric toothbrush 100, the electric toothbrush 100 may further include a brush head 20, the brush head 20 is connected to the vibration movement 10, so as to drive the brush head 20 to vibrate through the vibration movement 10; the electric toothbrush 100 may further include a housing 30, the vibration movement 10 is mounted in the housing 30, one end of the vibration movement 10 extends out of the housing 30, and one end of the vibration movement 10 extending out of the housing 30 is connected to the brush head 20. Because the electric toothbrush 100 adopts the vibrating movement 10 provided by the embodiment of the present invention, the electric toothbrush 100 also has the characteristic of small volume.

The structural composition, the working principle and the advantageous effects of the vibrating movement 10 provided by the embodiment of the present invention will be described in detail below.

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

The vibrating movement 10 includes a bracket 11, a rotor 12 and a stator 13, the bracket 11 is used for being installed in a housing 30 of the electric toothbrush 100, a driving space 110 is opened on the bracket 11, the rotor 12 is located in the driving space 110, a rotating shaft 121 of the rotor 12 is rotatably connected with an inner wall of the driving space 110, one end of the rotating shaft 121 extends out of the driving space 110 so as to be connected with a brush head 20 of the electric toothbrush 100 and drive the brush head 20 to vibrate. And the stator 13 is mounted to the bracket 11 and opposite to the rotor 12, and serves to drive the rotor 12 to rotate. In this way, the rotor 12 and the stator 13 are mounted by the bracket 11 to fix the position of the stator 13 relative to the rotor 12, so as to form a vibration motor (not shown), so that the vibration motor on the vibration movement 10 does not need to separately provide a housing, thereby reducing the overall volume of the vibration movement 10, facilitating the design of the housing 30, and facilitating the adjustment of the performances of the vibration motor, such as the swing amplitude, the torque, and the like, by adjusting the size of the stator 13 and the size of the rotor 12 in the limited volume of the housing 30.

It should be noted that, in this embodiment, the housing 30 of the vibration movement 10 and the electric toothbrush 100 are both configured in a long strip shape, the vibration movement 10 can be inserted into the housing 30 from one end of the housing 30, the vibration movement 10 can further include a sealing member 15, the sealing member 15 is sleeved on the rotating shaft 121 and one end of the bracket 11, and when the vibration movement 10 is installed in the housing 30, the sealing member 15 abuts against the inner wall of the housing 30 to seal a gap between the rotating shaft 121 and the inner wall of the housing 30, and a gap between the bracket 11 and the inner wall of the housing 30.

With continuing reference to fig. 2 and 3, and with further reference to fig. 4 and 5, fig. 4 is an exploded schematic view of a structure of a support 11 of a vibrating movement 10 according to an embodiment of the present invention. Fig. 5 is a schematic perspective view of an end cap 112 of the vibrating movement 10 according to an embodiment of the present invention.

The bracket 11 may include a bracket body 111 and an end cover 112, the bracket body 111 is formed with a driving groove 1112, and the end cover 112 is disposed at an opening of the driving groove 1112 to enclose a driving space 110 together with an inner wall of the driving groove 1112. In other words, the end cap 112 covers the driving groove 1112 to seal the opening of the driving groove 1112, and a side surface of the end cap 112 close to the driving groove 1112 and an inner wall of the driving groove 1112 jointly enclose the driving space 110.

The rotation shaft 121 is rotatably connected to the end cap 112, and one end of the rotation shaft 121 is further rotatably connected to the bottom wall of the driving groove 1112, so as to rotatably connect the rotor 12 to the driving space 110, and thus, the rotor 12 is rotatably connected to the two positions, so as to improve the working stability of the vibration motor, and when the rotor 12 is assembled to the bracket 11, the rotor 12 can be inserted into the driving groove 1112, and one end of the rotation shaft 121 is rotatably connected to the bottom wall of the driving groove 1112, and then the end cap 112 is sleeved on the rotation shaft 121 and covers the opening position of the driving groove 1112, and the rotation shaft 121 and the end cap 112 are rotatably connected, so that the rotor 12 can be mounted conveniently.

It should be noted that a plurality of first positioning protrusions 1121 may be protruded from a side surface of the end cover 112 facing the driving groove 1112, and the plurality of first positioning protrusions 1121 all extend into the driving groove 1112 and are disposed near a side wall of the driving groove 1112. In other words, when the end cap 112 covers the opening of the driving groove 1112, the first positioning protrusion 1121 is inserted into the driving groove 1112 and is close to the inner wall of the driving groove 1112, so as to limit the position of the end cap 112 relative to the driving groove 1112 through the first positioning protrusion 1121, thereby facilitating accurate butt joint of the end cap 112 and the bracket main body 111, further improving the accuracy and convenience of assembling the vibration motor, and improving the uniformity of the whole toothbrush. In addition, a plurality of second positioning protrusions 1122 may be protruded on a side surface of the end cap 112 facing the driving groove 1112, and the second positioning protrusions 1122 are inserted into holes (not shown) on the bracket main body 111, which are matched with the second positioning protrusions 1122, so as to further improve the accuracy of assembling the vibration motor.

Further, a first rotation connecting portion 1211 may be further disposed at a middle portion of the rotation shaft 121, a first mounting groove 1123 may be formed on a side of the end cover 112 facing the driving groove 1112, and the first rotation connecting portion 1211 is caught in the first mounting groove 1123, so that the inner wall of the driving space 110 and the rotation shaft 121 are rotatably connected through the first rotation connecting portion 1211.

It should be noted that the bottom wall of the first mounting groove 1123 is provided with a second driving opening 1124, and the rotating shaft 121 passes through the end cover 112 through the second driving opening 1124.

Referring to fig. 3 and 5, one end of the rotating shaft 121 may be sleeved with a second rotating connection portion 1212, the bottom wall of the driving groove 1112 may be opened with a second mounting groove 1113, and the second rotating connection portion 1212 is clamped in the second mounting groove 1113, so as to rotatably connect the inner wall of the driving space 110 and the rotating shaft 121 through the second rotating connection portion 1212, so as to improve the stability of the rotor 12 rotatably connected to the bracket 11.

It should be noted that, the inner wall of the driving groove 1112 may be convexly provided with a second mounting ring 1114, the second mounting groove 1113 is defined by the side wall of the second mounting ring 1114 and the bottom wall of the driving groove 1112, and a space corresponding to the second mounting groove 1113 is a space in the second mounting ring 1114. The bottom wall of the driving groove 1112 may further be protruded with a plurality of second ribs 1115, and the plurality of second ribs 1115 are connected to the outer circumferential surface of the second mounting ring 1114 and also connected to the sidewall of the driving groove 1112, in other words, the second ribs 1115 extend along the bottom wall of the driving groove 1112 and extend from the outer circumferential surface of the second mounting ring 1114 to the sidewall of the driving groove 1112, so as to enhance the structural strength of the second mounting ring 1114 and further improve the stability of the rotor 12 rotatably connected to the bracket 11.

With continuing reference to fig. 3, and with reference to fig. 6, fig. 7 and fig. 8, fig. 6 is a structural view of the vibrating movement 10 according to the embodiment of the present invention. Fig. 7 is a schematic cross-sectional view of the structure at a-a in fig. 6. Fig. 8 is a schematic cross-sectional view of the structure at B-B in fig. 6.

The rotor 12 may further include a rotor core 122 and a rotor coil 123, the rotor core 122 is mounted on the rotating shaft 121, the rotor coil 123 is sleeved on the rotor core 122, the stator 13 includes a magnetic yoke 131 and two magnets 135, the magnetic yoke 131 is mounted on the bracket 11 and is disposed toward the rotor 12, the two magnets 135 are mounted on the magnetic yoke 131 at intervals, and thus, a magnetic field is formed jointly by the two magnets 135 and the magnetic yoke 131 disposed at intervals, so that when the rotor coil 123 is powered on, the rotor 12 is driven to rotate, and when the rotor coil 123 is powered off, the rotor core 122 can be magnetically adsorbed jointly by the two magnets 135 disposed at intervals, so as to drive the rotor 12 to reset, so as to omit parts such as spring plates for resetting, and further reduce the volume of the vibration movement 10.

It should be noted that, in the present embodiment, two magnets 135 are mounted on the side of the yoke 131 facing the rotor 12, and the magnet 135 partially protrudes from the side of the yoke 131, so that the magnet 135 can drive the rotor 12 magnetically. In addition, a battery cabin 1118 is further disposed on the bracket 11, the vibration machine core 10 may further include a battery 16 and a control circuit board 17, the battery 16, the control circuit board 17 and the rotor 12 are electrically connected in sequence, so as to drive the vibration motor to work through the control circuit, and before the bracket 11 is mounted in the housing 30, the rotor 12, the stator 13, the control circuit board 17 and the battery 16 may be mounted on the bracket 11.

Further, the number of the stators 13 may be two, and the number of the rotor cores 122 and the number of the rotor coils 123 may be two, and the two rotor coils 123 are sleeved on the two rotor cores 122 one by one. In addition, two first driving openings 1116 communicated with the driving space 110 may be formed in the bracket 11, the two first driving openings 1116 are disposed oppositely, the two magnetic yokes 131 are disposed in the two first driving openings 1116 respectively, and the two rotor cores 122 are disposed opposite to the two magnetic yokes 131 respectively, so as to form two sets of driving units, thereby increasing the torque and the swing of the vibration motor.

In addition, the two stators 13 are disposed in the two first driving holes 1116 to form a vibration motor mode, which does not reduce the overall size of the vibration motor while reducing the overall size of the vibration movement 10, and compared with the prior art, the rotor 12 and the stators 13 of the vibration movement 10 provided in this embodiment may have larger sizes, thereby increasing the torque of the vibration motor.

Further, the yoke 131 is disposed in a U-shape, and the two magnets 135 are disposed at intervals in the middle of the yoke 131, where the middle is a position corresponding to the middle part when the corresponding object is divided into three equal parts, or the yoke 131 is a member having three segments and bent in a U-shape, and the two magnets 135 are disposed at intervals in the middle part of the yoke 131. In addition, two sections of the two ends of the yoke 131 are matched with the first driving opening 1116, and are inserted into the first driving opening 1116, in other words, the yoke 131 is inserted into the first driving opening 1116 towards the rotor 12, and two sections of the three sections of the yoke 131 close to the ends are respectively close to or abutted against two opposite inner walls in the driving space 110, so as to improve the stability of the yoke 131 mounted in the first driving opening 1116. Also, since two sections near the end of the three sections of the yoke 131 are directly opposite to the rotor 12, the compactness of the vibration motor is improved.

Further, both ends of one yoke 131 are respectively butted against both ends of the other yoke 131 so that the two yokes 131 are commonly provided around the outer circumference of the rotor 12, and thus magnetic flux is guided by the two yokes 131 butted against each other, thereby reducing leakage flux and improving torque of the vibration motor.

It should be noted that the yoke 131, the bracket main body 111, and the end cap 112 are respectively provided with a first positioning portion 132, a second positioning portion 1117, and a third positioning portion 1125, which are all convex strips, connected in sequence, and extend along the length direction of the bracket main body 111 for cooperating with the positioning groove 31 of the housing 30, and the positioning groove 31 also extends along the length direction of the bracket main body 111, so that when the vibration movement 10 is installed in the housing 30, the first positioning portion 132, the second positioning portion 1117, and the third positioning portion 1125 slide along the positioning groove 31 to circumferentially limit the vibration movement 10, as shown in fig. 2 and 8. In addition, the first positioning portion 132 is substantially located between two magnets 135 disposed at an interval, so that magnetic lines of force between the two magnets 135 are guided by the first positioning portion 132, thereby further reducing leakage flux and improving magnetic force utilization efficiency of the vibration motor.

Further, a limit boss 133 may be protruded on a side of the yoke 131 facing away from the rotor 12, and the limit boss 133 abuts against an edge of the first driving hole 1116, so that a position of the stator 13 relative to the rotor 12 is limited, and an assembly accuracy of the vibration motor is improved.

It should be noted that, in the present embodiment, the limiting boss 133 is connected to the edge of the first driving hole 1116 by means of adhesion. Of course, in other embodiments, the connection may be by snap-fit or the like.

The embodiment of the utility model provides a vibrating movement 10's theory of operation is:

the vibrating movement 10 includes a bracket 11, a rotor 12 and a stator 13, the bracket 11 is used for being installed in a housing 30 of the electric toothbrush 100, a driving space 110 is opened on the bracket 11, the rotor 12 is located in the driving space 110, a rotating shaft 121 of the rotor 12 is rotatably connected with an inner wall of the driving space 110, one end of the rotating shaft 121 extends out of the driving space 110 so as to be connected with a brush head 20 of the electric toothbrush 100 and drive the brush head 20 to vibrate. And the stator 13 is mounted to the bracket 11 and opposite to the rotor 12, and serves to drive the rotor 12 to rotate. In this way, the rotor 12 and the stator 13 are mounted through the bracket 11 to fix the position of the stator 13 relative to the rotor 12, so as to form the vibration motor, so that the vibration motor on the vibration movement 10 does not need to separately provide a housing, thereby reducing the overall volume of the vibration movement 10, facilitating the design of the housing 30, and facilitating the adjustment of the performances of the vibration motor, such as the swing amplitude or the torque, by adjusting the size of the stator 13 and the size of the rotor 12.

In summary, the following steps:

the embodiment of the utility model provides a vibration 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 vibration movement is characterized by comprising a bracket (11), a rotor (12) and a stator (13);

the support (11) is used for being installed in a shell (30) of the electric toothbrush (100), the support (11) is provided with a driving space (110), the rotor (12) is located in the driving space (110), a rotating shaft (121) of the rotor (12) is rotatably connected with the inner wall of the driving space (110), one end of the rotating shaft (121) extends out of the driving space (110) to be used for being connected with a brush head (20) of the electric toothbrush (100) and driving the brush head (20) to vibrate;

the stator (13) is mounted on the bracket (11), is opposite to the rotor (12), and is used for driving the rotor (12) to rotate.

2. The vibrating movement according to claim 1, wherein the bracket (11) includes a bracket main body (111) and an end cap (112), a driving groove (1112) is formed on the bracket main body (111), and the end cap (112) is disposed at an opening of the driving groove (1112) to enclose the driving space (110) together with an inner wall of the driving groove (1112);

the end cover (112) is sleeved on the rotating shaft (121) and is rotatably connected with the rotating shaft (121), and one end of the rotating shaft (121) is also rotatably connected with the bottom wall of the driving groove (1112).

3. The vibrating movement of claim 2, wherein a first rotating connection portion (1211) is disposed at a middle portion of the rotating shaft (121), a first installation groove (1123) is formed at a side of the end cap (112) facing the driving groove (1112), and the first rotating connection portion (1211) is retained in the first installation groove (1123) to rotatably connect an inner wall of the driving space (110) and the rotating shaft (121) through the first rotating connection portion (1211).

4. The vibrating movement of claim 2, wherein a second rotating connection portion (1212) is sleeved on one end of the rotating shaft (121), a second mounting groove (1113) is formed in the bottom wall of the driving recess (1112), and the second rotating connection portion (1212) is clamped in the second mounting groove (1113) to rotatably connect the inner wall of the driving space (110) and the rotating shaft (121) through the second rotating connection portion (1212).

5. The vibrating movement of claim 4, wherein a second mounting ring (1114) is convexly arranged on the inner wall of the driving groove (1112), and the second mounting groove (1113) is defined by the side wall of the second mounting ring (1114) and the bottom wall of the driving groove (1112);

the bottom wall of the driving groove (1112) is further convexly provided with a plurality of second reinforcing ribs (1115), and the plurality of second reinforcing ribs (1115) are further connected with the outer peripheral surface of the second mounting ring (1114) and the side wall of the driving groove (1112).

6. A vibrating movement according to any one of claims 1 to 5, wherein the rotor (12) further comprises a rotor core (122) and a rotor coil (123), the rotor core (122) is mounted to the rotating shaft (121), and the rotor coil (123) is sleeved on the rotor core (122);

the stator (13) comprises a magnetic yoke (131) and two magnets (135), the magnetic yoke (131) is installed on the bracket (11) and is arranged towards the rotor (12), and the two magnets (135) are installed on the magnetic yoke (131) at intervals.

7. The vibrating movement according to claim 6, wherein the number of the stators (13) is two, the number of the rotor cores (122) and the number of the rotor coils (123) are two, and the two rotor coils (123) are sleeved on the two rotor cores (122) one by one;

two first driving openings (1116) communicated with the driving space (110) are formed in the support (11), the two first driving openings (1116) are arranged oppositely, the two magnet yokes (131) are arranged in the two first driving openings (1116) respectively, and the two rotor iron cores (122) are opposite to the two magnet yokes (131) respectively.

8. A vibrating movement according to claim 7, characterised in that the yoke (131) is U-shaped, the two magnets (135) being arranged at a distance from one another in the middle of the yoke (131);

and two sections where the two ends of the magnetic yoke (131) are located are matched with the first driving opening (1116) and inserted into the first driving opening (1116), and the two ends of one magnetic yoke (131) are respectively butted with the two ends of the other magnetic yoke (131), so that the two magnetic yokes (131) surround the periphery of the rotor (12) together.

9. A vibratory movement according to claim 7, wherein a limit projection (133) is raised on the side of the yoke (131) facing away from the rotor (12), the limit projection (133) abutting an edge of the first drive aperture (1116).

10. An electric toothbrush, characterized in that it comprises a vibrating movement (10) according to any one of claims 1 to 9.

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