CN211213631U - Toothbrush vibrator and music children's toothbrush - Google Patents

Abstract

The application discloses toothbrush vibrator includes: the driving motor is used for providing power; the driving motor is sleeved with a sleeve, and the sleeve is used for coating the body of the driving motor; the driving motor mounting seat is clamped outside the sleeve, and a clamping part for clamping and fixing the sleeve is arranged on the mounting seat; an eccentric mass provided on a rotation driving shaft of the driving motor and rotating together with the rotation driving shaft; the top of driving motor mount pad is equipped with the joint portion of the fixed joint in bottom convenient and brush head, eccentric block with joint portion is in on the same axis. Through utilizing the tight and fixed sleeve of driving motor mount pad clamp to fixed driving motor reduces fixed driving motor's vibration range, and eccentric block and joint portion are in on the same axle center, have reduced the eccentricity between eccentric block and driving motor and the driving motor mount pad, have reduced the vibration range of driving motor mount pad.

Description

Toothbrush vibrator and music children's toothbrush

[ technical field ] A method for producing a semiconductor device

The application relates to the field of daily washing, in particular to a toothbrush vibration device and a music child toothbrush.

[ background of the invention ]

Vibrations toothbrush in current electric toothbrush comprises brush head, brush holder and driving motor several parts, utilizes the sleeve simple to fix driving motor on the brush holder, and the range that sleeve transmission driving motor produced vibrations is great, and the range of driving motor vibrations can influence the range of toothbrush luffing motion, and the range of toothbrush luffing motion is great can lead to the brush hair to touch positions such as gum, influences the experience of brushing teeth, consequently needs a device that can reduce the vibrations range.

[ Utility model ] content

The above technical problem that this application will be solved and be directed to provides music children toothbrush.

In order to solve the technical problem, the method is realized by the following technical scheme:

a toothbrush vibrating device comprising: the driving motor is used for providing power; the driving motor is sleeved with a sleeve, and the sleeve is used for coating the body of the driving motor;

the driving motor mounting seat is clamped outside the sleeve, and a clamping part for clamping and fixing the sleeve is arranged on the mounting seat;

an eccentric mass provided on a rotation driving shaft of the driving motor and rotating together with the rotation driving shaft;

the top of driving motor mount pad is equipped with the joint portion of the fixed joint in bottom convenient and brush head, eccentric block with joint portion is in on the same axis.

Joint portion is cylindricly just the outer peripheral face interval of joint portion is equipped with a plurality of lugs, joint portion with brush head transition fit, a plurality of lugs extrusion brush head bottom inboard is with the transmission the vibrations that driving motor produced.

The shock absorption device is characterized in that a shock absorption block is arranged on the driving motor mounting seat, the shock absorption block is arranged above the driving motor and is in clearance fit with the driving motor mounting seat to reduce shock generated by the driving motor.

A music toothbrush for children, comprising a toothbrush head and a toothbrush handle detachably connected with the toothbrush head, wherein a toothbrush vibration device as claimed in any one of claims to is arranged in the toothbrush handle;

the brush holder also includes:

a power source;

the toothbrush handle body is provided with an opening and comprises a clamping interface and an accommodating cavity connected with the clamping interface;

the PCB circuit board, it is located hold the intracavity, the bottom of PCB circuit board still symmetry is equipped with the charging socket that is used for charging, MICRO-USB socket and the RGB flashing lamp that are used for transmitting data.

The brush holder handle body includes:

the PCB fixing device comprises a rear shell, a first fixing hole and a second fixing hole, wherein a first groove for accommodating the power supply is formed in the middle of the rear shell, a second groove is formed in the bottom of the rear shell, first fixing holes are formed in the periphery of the PCB respectively, first fixing columns corresponding to the first fixing holes are formed in the inner wall of the rear shell, and the first fixing columns support the periphery of the PCB and enable the PCB to be suspended;

the procapsid, it with back casing joint is fixed, be equipped with a plurality of buttons that have hollow out construction on the procapsid, the button corresponds with dabbing the switch position, and is right after the button applys decurrent pressure the button produces elastic deformation and compresses tightly dabbing the switch, revoke behind the decurrent pressure the button returns to the normal position.

The middle part symmetry of driving motor mount pad is equipped with two convex first fixed blocks, the upper portion symmetry of brush holder handle body is equipped with fixedly the first buckle group of first fixed block, first buckle group includes:

the rear end face of the first fixed block is respectively provided with a third groove for accommodating two ends of the first lower retaining ring;

the first upper retaining ring is clamped on the front shell, and when the front shell is buckled with the rear shell, two ends of the first upper retaining ring are contacted and fixed with the front end face of the first fixed block;

the bottom both ends symmetry of driving motor mount pad is equipped with two convex second fixed blocks, the upper portion of brush holder handle body still is equipped with fixedly the second buckle group of second fixed block, second buckle group includes:

the second lower retaining ring is clamped on the rear shell, and fourth grooves for accommodating two ends of the second lower retaining ring are respectively formed in the rear end face of the second fixing block;

the second upper retaining ring is clamped on the rear shell, and when the front shell is buckled with the rear shell, two ends of the second upper retaining ring are contacted and fixed with the front end face of a second fixed block of the second fixed block;

when the front shell is buckled with the rear shell, the first buckle ring group is matched with the second buckle ring group to fix the driving motor mounting seat on the upper part of the brush handle body.

The second fixing block is also provided with a fixing part for clamping the driving motor mounting seat on the rear shell, the upper part of the rear shell is also provided with a convex column corresponding to the size of the fixing part, and the convex column is inserted into the fixing part and matched with the second buckle ring group to fix the lower part of the driving motor mounting seat.

The stationary housing further comprises:

the outer wall of the brush handle body is provided with first buckles clamped with the upper fixing shell, the upper part of the driving motor mounting seat is also provided with a sealing ring, the upper fixing shell is also provided with an inner ring wall for enclosing the clamping port, and the sealing ring is in interference fit with the inner ring wall;

a shell body which covers the brush handle body and contacts with the bottom surface of the upper fixed shell;

the head seal assembly includes:

the head fixing piece is fixedly connected with the bottom of the brush handle body through a screw;

the head sealing piece is clamped and fixed with the head fixing piece, a charging socket hole and a MICRO-USB socket hole which are used for accommodating the charging socket and the MICRO-USB socket are respectively arranged on the head sealing piece, a head sealing sleeve is sleeved outside the head sealing piece, and a light hole parallel to the RGB flashing lamp and a sealing convex block for sealing the MICRO-USB socket are arranged on the head sealing sleeve.

The music children toothbrush further comprises a supporting component, and the head of the supporting component is provided with first sealing blocks corresponding to the charging sockets in size.

The upper fixing shell, the shell body, the sealing ring and the head sealing sleeve are all made of silica gel materials.

Compared with the prior art, the application has the following advantages:

in order to solve the defects that the vibration amplitude of a driving motor is large and the vibration amplitude is not easy to control, a toothbrush vibration device is provided, a driving motor mounting seat is mounted on an existing sleeve, an eccentric block rotates along with the driving motor when the driving motor works, the mass center of the eccentric block is not on the axis of the driving motor to cause unbalance of the driving motor, vibration is caused by inertia, the driving motor gradually transmits the vibration to the sleeve and the driving motor mounting seat, so that a brush head is driven to vibrate and work, the sleeve is clamped and fixed by using the driving motor mounting seat to fix the driving motor, the vibration amplitude of the driving motor is reduced, the eccentric block and a clamping part are located on the same axis, the eccentric distance between the eccentric block and the driving motor mounting seat is reduced, and the vibration amplitude of the driving motor mounting seat is reduced.

[ description of the drawings ]

FIG. 1 is a perspective view of the music children's toothbrush of the present application.

Fig. 2 is an exploded view of the music children's toothbrush of the present application.

FIG. 3 is an exploded view of the toothbrush vibrator of the music children's toothbrush of the present application.

Fig. 4 is a perspective view of the PCB circuit board of the music children's toothbrush of the present application.

FIG. 5 is a cross-sectional view of the music children's toothbrush of the present application and an enlarged view of area A.

FIG. 6 is a perspective view of the stationary housing of the music children's toothbrush of the present application.

FIG. 7 is a perspective view of the head seal and head seal cartridge of the music children's toothbrush of the present application.

[ detailed description ] embodiments

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

As shown in fig. 1 to 7, a music toothbrush for children comprises a toothbrush head 1 and a toothbrush handle 2 detachably connected with the toothbrush head 1, wherein the toothbrush handle 2 comprises: a power supply 21; the toothbrush handle body 22 with an opening comprises a clamping interface 221 and an accommodating cavity 222 connected with the clamping interface 221; the toothbrush vibration device 23 is arranged at the upper part of the accommodating cavity 222, and the head part of the toothbrush vibration device 23 penetrates out of the clamping interface 221 and is clamped with the bottom part of the brush head 1; the PCB 25 is arranged in the accommodating cavity 222, and the bottom of the PCB 25 is also symmetrically provided with a charging socket 251 for charging, a MICRO-USB socket 252 for transmitting data and an RGB flashing lamp 253; the brush handle body 22 is further provided with two groups of sucker components 223, the two groups of sucker components 223 are respectively arranged at the head and the tail of the brush handle body 22 to support the horizontally arranged brush handle body 22, so that the brush handle body 22 is suspended. The charging socket 251 is arranged on the circuit of the PCB 25, so that charging is convenient, the RGB flashing lamp 253 is added, the ornamental performance is improved, the fashion is attractive, and the interactivity of parent-child communication is improved.

The brush holder 2 further comprises: the fixed shell 26 is sleeved outside the brush handle body 22, a head sealing component 261 is arranged at the lower part of the fixed shell 26, the head sealing component 261 is clamped at the bottom of the accommodating cavity 222 to seal the bottom of the accommodating cavity 222, the two groups of sucker components 223 are arranged at the head and the tail of the fixed shell 26 in parallel, and the shell 26 is a sleeve with various animals or other shapes.

The toothbrush vibration device 23 comprises a driving motor 231, wherein a concentric cylindrical sleeve 232 is sleeved on the driving motor 231; the driving motor is sleeved on the sleeve 232 and then clamped into the driving motor mounting seat 233, a clamping portion 2331 clamped with the bottom of the brush head 1 is arranged at the top of the driving motor mounting seat 233, the clamping portion 2331 is cylindrical, and a plurality of convex blocks are arranged on the outer peripheral surface of the clamping portion 2331 at intervals; and an eccentric mass 234 provided on a rotation driving shaft 2311 of the driving motor 231 and rotated together with the rotation driving shaft 2311. The driving motor mounting seat 233 is used for fixing the driving motor 231, the driving motor 231 is a direct current motor, and the rotating driving shaft 2311 is mounted on the rotating driving shaft 2311 of the direct current motor, so that the driving motor 231 can vibrate up and down within a certain range, a user can brush teeth conveniently, and the structure is simple and the operation is convenient; the clamping portion 2331 is cylindrical, a plurality of protruding blocks are arranged on the outer peripheral surface of the clamping portion 2331 at intervals, the protruding blocks can be fixedly clamped with the brush head 1, the sleeve 232 can ensure that the driving motor 231 is arranged on the driving motor mounting seat 233 without too large gap positions, the range of vertical vibration of the driving motor 231 is influenced, and the eccentric block 234 is an eccentric wheel and is convenient to purchase and obtain.

The clamping portion 2331 is cylindrical, a plurality of convex blocks 2300 are arranged on the outer peripheral surface of the clamping portion 2331 at intervals, the clamping portion 2331 is in transition fit with the brush head 1, and the convex blocks extrude the inner side of the bottom of the brush head 1 to transmit vibration generated by the driving motor 231. The plurality of bumps 2300 extrude the brush head 1 to further stabilize the connection between the brush head 1 and the clamping portion 2331, so that the brush head 1 can generate corresponding vibration through the vibration generated by the driving motor 231, which is convenient for brushing, and the plurality of bumps extrude the inner side of the bottom of the brush head 1 to simultaneously solve the problem that the brush head 1 can be separated because the vibration amplitude of the driving motor 231 is large.

The driving motor mounting seat 233 is provided with a damping block 236, the damping block 236 is arranged above the driving motor 231, and the damping block 236 is in clearance fit with the driving motor mounting seat 233 to reduce the vibration generated by the driving motor 231. Because the damping block 236 is in clearance fit with the driving motor mounting seat 233, when the eccentric block 234 moves, the damping block 236 vibrates up and down along with the rotation of the driving motor 231, and the damping block 236 moves up and down in a small range in the clearance of the driving motor mounting seat 233 to adjust the vibration amplitude of the driving motor mounting seat 233 and reduce the vibration amplitude generated by the driving motor 231.

The PCB 25 is connected with the driving motor 231 and the power supply 21, and the PCB 25 is provided with a plurality of tact switches 254 for controlling the starting and stopping of the driving motor 231 and the power supply 21. The tact switch 254 includes an on-off key of the driving motor 231, and the on-off key of the power supply 21 corresponds to the functions of the driving motor 231 and the power supply 21 one by one.

The handle body 22 includes: a rear housing 223, a first groove 2231 for accommodating the power supply 21 is formed in the middle of the rear housing 223, a second groove 2232 is formed at the bottom of the rear housing 223, first fixing holes 255 are respectively formed on the peripheries of the PCB 25, first fixing columns 2233 corresponding to the first fixing holes 255 are formed on the inner wall of the rear housing 223, and the first fixing columns 2233 support the peripheries of the PCB 25 and suspend the PCB 25; the procapsid 224, its with back casing 223 joint is fixed, be equipped with a plurality of buttons 2241 that have hollow out construction on the procapsid 224, button 2241 corresponds with dabbing switch 254 position, right after button 2241 applys decurrent pressure button 2241 produces elastic deformation and compresses tightly dabbing switch 254, cancel behind the decurrent pressure button 2241 returns to the normal position. The brush holder handle body 22 is divided into two parts, namely a front shell 224 and a rear shell 223, and the front shell 224 and the rear shell 223 are clamped and connected to facilitate disassembly; the PCB 25 is suspended between the front housing 224 and the rear housing 223, and the PCB 25 is fixed to the four first fixing posts 2233 of the rear housing 223 by screws, so that the PCB 25 is suspended; be equipped with on the procapsid 224 and produce elastic deformation and compress tightly the button 2241 that has hollow out construction who dabs switch 254, button 2241 conveniently presses dabs switch 254.

Two first fixing blocks 2332 are symmetrically arranged at the middle part of the driving motor mounting seat 233, a first buckle group 225 for fixing the first fixing blocks 2332 is symmetrically arranged at the upper part of the brush holder handle body 22, and the first buckle group 225 comprises: a first lower retaining ring 2251 fastened to the rear housing 223, wherein third grooves 2334 for accommodating two ends of the first lower retaining ring 2251 are respectively formed on a rear end face 2333 of the first fixing block 2332; a first upper buckle 2252 fastened to the front housing 224, wherein when the front housing 224 is fastened to the rear housing 223, both ends of the first upper buckle 2252 are in contact with and fixed to a front surface 2335 of the first fixing block 2332; two protruding second fixing blocks 2336 are symmetrically arranged at two ends of the bottom of the driving motor mounting seat 233, a second buckle group 226 for fixing the second fixing blocks 2336 is further arranged at the upper part of the brush holder handle body 22, and the second buckle group 226 comprises: a second lower retaining ring 2261, which is clamped to the rear housing 223, and fourth grooves 2338 for accommodating two ends of the second lower retaining ring 2261 are respectively formed in the rear end surface 2337 of the first fixing block of the second fixing block 2336; a second upper snap ring 2262, which is snapped onto the rear housing 223, and when the front housing 224 is snapped onto the rear housing 223, two ends of the second upper snap ring 2262 are in contact with and fixed to the second fixing block front end surface 2339 of the second fixing block 2336; when the front housing 224 is fastened to the rear housing 223, the first fastening ring set 225 and the second fastening ring set 226 cooperate to fix the driving motor mount 233 to the upper portion of the handle body 22. The driving motor mount 233 is fixed to the upper portion of the handle body 22 by the first and second snap ring sets 225 and 226, the first lower snap ring 2251 is snapped into the rear housing 223, both ends of the first lower snap ring 2251 are snapped into the third recesses 2334 on the rear end face 2334 of the first fixing block 2332 to fix the first fixing block 2332, thereby fixing the middle portion of the driving motor mount 233, and when the front housing 224 is snapped into the rear housing 223, both ends of the first upper snap ring 2252 press against the front end face 2335 of the first fixing block 2332 to be contacted and fixed, thereby ensuring that the middle portion of the driving motor mount 233 is completely fixed; the second lower retaining ring 2261 is clamped on the rear housing 223, two ends of the second lower retaining ring 2261 are clamped into a fourth groove 2338 on a rear end face 2337 of the second retaining block 2336 to fix the second retaining block 2336, so that the bottom of the driving motor mounting seat 233 is fixed, when the front housing 224 is clamped with the rear housing 223, two ends of the second upper retaining ring 2262 are pressed against and contacted and fixed with a front end face 2339 of the second retaining block 2336, so as to ensure that the bottom of the driving motor mounting seat 233 is completely fixed, when the front housing 224 is fastened with the rear housing 223, the first retaining ring group 225 is matched with the second retaining ring group 226 to fix the driving motor mounting seat 233 on the upper portion of the handle body 22, and the driving motor mounting seat 233 is fixed in a double-fit manner, so that the structure is simple, the operation is convenient, and the disassembly and replacement are convenient.

The second fixing block 2336 is further provided with a fixing portion 2330 for clamping the driving motor mounting seat 233 to the rear housing 223, the upper portion of the rear housing 223 is further provided with a protruding pillar 2334 corresponding to the size of the fixing portion 2330, and the protruding pillar 2334 is inserted into the fixing portion 2330 and is matched with the second buckle group 226 to fix the lower portion of the driving motor mounting seat 233. The fixing portion 2330 is disposed outside the second fixing block 2336, the protruding pillar 2334 is inserted into the fixing portion 2330 to be fixed in a clamping manner, and the lower portion of the driving motor mounting seat 233 is fixed by the second buckle group 226 to form a double fixing, so that a better fixing effect is achieved.

The stationary housing 26 further includes: the outer wall of the brush holder handle body 22 is provided with a first buckle 227 clamped with the upper fixed shell 262, the upper part of the driving motor mounting seat 233 is further provided with a sealing ring 235, the upper fixed shell 262 is further provided with an inner annular wall 2621 for enclosing the clamping port 221, and the sealing ring 235 is in interference fit with the inner annular wall 2621; the two groups of sucker components 223 comprise four suckers, the four suckers are arranged at the front end and the rear end of the shell 263 in a group, the four suckers are respectively a first sucker 2231, a second sucker 2232, a third sucker 2233 and a fourth sucker 2234, the first sucker 2231 and the second sucker 2232 are parallel to the toothbrush vibration device 23, the first sucker 2231 and the second sucker 2232 are arranged in parallel and at intervals, the third sucker 2233 and the fourth sucker 2234 are arranged in parallel, and the third sucker 2233 and the fourth sucker 2234 are arranged in parallel and at intervals; the head seal assembly 261 includes: the head fixing piece 2611 is fixedly connected with the bottom of the brush holder handle body 22 through a screw; a head sealing member 2612 which is clamped and fixed with the head fixing member 2611, wherein the head sealing member 2612 is respectively provided with a charging socket hole 2613 and a MICRO-USB socket hole 2614 which are used for accommodating the charging socket 251 and the MICRO-USB socket 252, a head sealing sleeve 2615 is sleeved outside the head sealing member 2612, and the head sealing sleeve 2615 is provided with a light-transmitting hole 2616 which is parallel to the RGB flashing lamp 263 and a sealing bump 2617 which is used for sealing the MICRO-USB socket 252. The upper fixing shell 262 is used for sealing the upper end of the brush holder handle body 22, because the diameter of the brush holder handle body 22 is smaller than the bottom of the brush head 1, when brushing teeth, mouthwash may flow into the brush holder handle body 22 from the brush head 1, so that the PCB 25 is short-circuited, the sealing ring 235 is in interference fit with the inner annular wall 2621 to fix the driving motor mount 233 at the upper end of the brush holder handle body 22, and when the driving motor 231 vibrates up and down, because the sealing ring 235 is in interference fit with the inner annular wall 2621, the driving motor 231 does not shake the driving motor mount 233 up and down on the clip interface 221 due to the up and down vibration, so that the amplitude of brushing teeth by the brush head 1 is affected; the four suckers are arranged on the shell 263, the four suckers are respectively a first sucker 2231, a second sucker 2232, a third sucker 2233 and a fourth sucker 2234, the first sucker 2231 and the second sucker 2232 are parallel to the toothbrush vibration device 23, the first sucker 2231 and the second sucker 2232 are parallel to each other and spaced apart from each other, the third sucker 2233 and the fourth sucker 2234 are parallel to each other, and the third sucker 2233 and the fourth sucker 2234 are parallel to each other and spaced apart from each other; because the toothbrush vibration device 23 is arranged at the front end of the handle body of the toothbrush handle, and the toothbrush vibration device 23 is relatively heavy in weight, a certain supporting force is needed, and the shell body 263 is not closed, so that the toothbrush vibration device needs to be supported in the air to avoid short circuit caused by water contamination; the head fixing member 2611 is fixedly connected to the bottom of the handle grip body 22 by screws so that the bottom of the handle grip body 22 is fixed, a head sealing member 2612 is used for fixing the charging socket 251, the MICRO-USB socket 252 and the RGB flashing lamp 263 which extend out from the head fixing member 2611, and is provided with the charging socket hole 2613 and the MICRO-USB socket hole 2614 for accommodating the charging socket 251, the MICRO-USB socket 252 and the RGB flashing lamp 263, the head sealing sleeve 2615 is provided with the light transmitting hole 2616 for allowing the RGB flashing lamp 253 to transmit light in parallel, the flashing light of the RGB flashing lamp 253 can be transmitted out from the light transmitting hole 2616, and the sealing bump 2617 is used for protecting the MICRO-USB socket 252 and avoiding the water inlet short circuit of the MICRO-USB socket 252. The shell body 263 is further provided with a key identification corresponding to the key 2241, and the key identification is used for protecting the key 2241 and identifying the function of the key 2241.

The music children toothbrush also comprises a supporting component 3, and the head parts of the supporting component 3 are respectively provided with a first sealing block 31 corresponding to the size of the charging socket 251. The first sealing block 31 arranged on the support member 3 can seal the charging socket 251, so that the PCB 251 behind the charging socket 262 can be protected, and the PCB 251 is prevented from being short-circuited due to water entering the charging socket 251; and the supporting component 3 can support the bottom of the music children toothbrush, so that the music children toothbrush can be placed in a mouth rinsing cup, and the structure is simple and the operation is convenient.

The upper stationary shell 262, the shell body 263, the sealing ring 235 and the head sealing sleeve 2615 are all made of a silicone material. The upper fixing shell 262, the shell body 263, the sealing ring 235 and the head sealing sleeve 2615 are made of silica gel materials, so that the handle body of the brush handle can be protected from being broken and is convenient to replace.

The working principle is as follows:

press with the power 21 corresponds the button 2241 is opened music children's toothbrush, through press with driving motor 231 is corresponding the button 2241, driving motor 231 shakes from top to bottom and opens the electronic function of brushing teeth, RGB flashing lamp 253 is opening start-up flash of light behind the power 21.

As described above, the embodiments of the present application have been described in detail, but the present application is not limited to the above embodiments. Even if various changes are made in the present application, the protection scope of the present application is still included.

Claims (10)

1. A toothbrush vibrating device comprising: a driving motor (231) for providing power; the method is characterized in that:

a sleeve (232) is sleeved on the driving motor (231), and the sleeve (232) is used for coating the body of the driving motor (231);

the driving motor mounting seat (233) is clamped outside the sleeve (232), and a clamping part (2330) for clamping and fixing the sleeve (232) is arranged on the driving motor mounting seat (233);

an eccentric mass (234) provided on a rotation driving shaft (2311) of the driving motor (231) and rotating together with the rotation driving shaft (2311);

the top of the driving motor mounting seat (233) is provided with a clamping part (2331) which is conveniently fixedly clamped with the bottom of the brush head (1), and the eccentric block (234) and the clamping part (2331) are positioned on the same axis.

2. The toothbrush vibrating device of claim 1, wherein: the brush head is characterized in that the clamping portion (2331) is cylindrical, a plurality of convex blocks (2300) are arranged on the outer peripheral surface of the clamping portion (2331) at intervals, the clamping portion (2331) is in transition fit with the brush head (1), and the plurality of convex blocks (2300) extrude the inner side of the bottom of the brush head (1) to transmit vibration generated by the driving motor (231).

3. The toothbrush vibrating device of claim 1, wherein: be equipped with snubber block (236) on driving motor mount pad (233), snubber block (236) are located the top of driving motor (231) just snubber block (236) with be clearance fit between driving motor mount pad (233) and reduce the vibrations that driving motor (231) produced.

4. A music children toothbrush, which is characterized in that: comprises a brush head (1) and a brush handle (2) which is detachably connected with the brush head (1), wherein a toothbrush vibration device as claimed in any one of claims 1 to 3 is arranged in the brush handle (2);

the brush holder (2) further comprises:

a power supply (21);

the toothbrush handle body (22) is provided with an opening and comprises a clamping interface (221) and an accommodating cavity (222) connected with the clamping interface (221);

the PCB circuit board (25) is arranged in the accommodating cavity (222), and the bottom of the PCB circuit board (25) is also symmetrically provided with a charging socket (251) for charging, a MICRO-USB socket (252) for transmitting data and an RGB flashing lamp (253).

5. The musical child toothbrush of claim 4, wherein: the handle body (22) includes:

the PCB comprises a rear shell (223), wherein a first groove (2231) for accommodating the power supply (21) is formed in the middle of the rear shell (223), a second groove (2232) is formed in the bottom of the rear shell (223), first fixing holes (255) are formed in the periphery of the PCB (25), first fixing columns (2233) corresponding to the first fixing holes (255) are formed in the inner wall of the rear shell (223), and the first fixing columns (2233) support the periphery of the PCB (25) and enable the PCB (25) to be suspended;

front casing (224), its with back casing (223) joint is fixed, be equipped with a plurality of buttons (2241) that have hollow out construction on front casing (224), button (2241) corresponds with dabbing switch (254) position, right after button (2241) applys decurrent pressure button (2241) produce elastic deformation and compress tightly dabbing switch (254), cancel behind the decurrent pressure button (2241) returns to the normal position.

6. The musical child toothbrush of claim 5, wherein: two first fixing blocks (2332) protruding are symmetrically arranged in the middle of the driving motor mounting seat (233), a first buckle group (225) for fixing the first fixing blocks (2332) is symmetrically arranged at the upper part of the brush handle body (22), and the first buckle group (225) comprises:

a first lower retaining ring (2251) fastened to the rear housing (223), wherein a rear end face (2333) of the first fixing block (2332) is provided with a third groove for accommodating two ends of the first lower retaining ring (2251);

a first upper buckle ring (2252) fastened to the front housing (224), wherein when the front housing (224) is fastened to the rear housing (223), two ends of the first upper buckle ring (2252) are in contact with and fixed to a first fixing block front end surface (2335) of the first fixing block (2332);

two protruding second fixed blocks (2336) are symmetrically arranged at two ends of the bottom of the driving motor mounting seat (233), a second buckle ring group (226) for fixing the second fixed blocks (2336) is further arranged at the upper part of the brush handle body (22), and the second buckle ring group (226) comprises:

the second lower retaining ring (2261) is clamped on the rear shell (223), and fourth grooves (2338) for accommodating two ends of the second lower retaining ring (2261) are respectively arranged on the rear end surface (2337) of the second fixing block (2336);

a second upper snap ring (2262) which is snapped on the rear housing (223), and when the front housing (224) is snapped on the rear housing (223), two ends of the second upper snap ring (2262) are in contact with and fixed to a second fixing block front end surface (2339) of the second fixing block (2336);

when the front shell (224) is buckled with the rear shell (223), the first buckle group (225) is matched with the second buckle group (226) to fix the driving motor mounting seat (233) on the upper part of the brush handle body (22).

7. The musical child toothbrush of claim 6, wherein: the second fixing block (2336) is further provided with a fixing portion for clamping the driving motor mounting seat (233) on the rear shell (223), the upper portion of the rear shell (223) is further provided with a convex column (2334) corresponding to the size of the fixing portion, and the convex column (2334) is inserted into the fixing portion and is matched with the second buckle ring group (226) to fix the lower portion of the driving motor mounting seat (233).

8. The musical child toothbrush of claim 4, wherein: the brush holder (2) further comprises a fixed shell (26), the fixed shell (26) is sleeved outside the brush holder handle body (22) and the lower part of the fixed shell (26) is provided with a head sealing component (261), and the fixed shell (26) further comprises:

the upper fixing shell (262), the outer wall of the brush holder handle body (22) is provided with a first buckle (227) which is clamped with the upper fixing shell (262), the upper part of the driving motor mounting seat (233) is also provided with a sealing ring (235), the upper fixing shell (262) is also provided with an inner annular wall (2621) which encloses the clamping interface (221), and the sealing ring (235) is in interference fit with the inner annular wall (2621);

a case body (263) that covers the brush holder handle body (22) and contacts the bottom surface of the upper fixed case (262);

the head seal assembly (261) includes:

the head fixing piece (2611) is fixedly connected with the bottom of the brush handle body (22) through a screw;

the head sealing piece (2612) is clamped and fixed with the head fixing piece (2611), a charging socket hole (2613) and a MICRO-USB socket hole (2614) which are used for accommodating the charging socket (251) and the MICRO-USB socket (252) are respectively arranged on the head sealing piece (2612), a head sealing sleeve (2615) is sleeved outside the head sealing piece (2612), and a light transmission hole (2616) which is parallel to the RGB flashing lamp (253) in position and a sealing convex block (2617) which is used for sealing the MICRO-USB socket (252) are arranged on the head sealing sleeve (2615).

9. The musical child toothbrush of claim 4, wherein: the children toothbrush further comprises a supporting member (3), and the heads of the supporting member (3) are respectively provided with a first sealing block (31) corresponding to the size of the charging socket (251).

10. The musical children's toothbrush of claim 8, wherein: the upper fixing shell (262), the shell body (263), the sealing ring (235) and the head sealing sleeve (2615) are all made of silica gel materials.

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