CN214285260U - Wireless rechargeable electric toothbrush - Google Patents

Abstract

The utility model provides a wireless rechargeable electric toothbrush, include: the toothbrush comprises a toothbrush body and a base, wherein the toothbrush body comprises a toothbrush head, a motor, a battery, a host circuit board and a toothbrush shell, and the host circuit board, the motor and the battery are all arranged in the toothbrush shell; the main machine circuit board is electrically connected with the motor and the battery in pairs, a connecting hole is formed in the top of the toothbrush shell, and an output shaft of the motor extends out of the toothbrush shell through the connecting hole to be fixed with the toothbrush head; the base comprises a base face shell, a base bottom shell and a charging device; the charging device comprises a base circuit board and a wireless transmitting coil, the toothbrush body further comprises a wireless receiving coil which is mutually induced with the wireless transmitting coil, and the wireless receiving coil is electrically connected with the host circuit board and the battery. The utility model discloses a wireless transmitting coil and wireless receiving coil have realized the wireless charging to the toothbrush, do not have naked electrode point in its scheme, have solved electrode point and have exposed easy contact failure after leading to the oxidation or because of the service environment moisture is heavy, moisture arouses safety problems such as short circuit more.

Description

Wireless rechargeable electric toothbrush

Technical Field

The utility model relates to a toothbrush technical field, concretely relates to wireless rechargeable electric toothbrush.

Background

Along with the improvement of living standard of people, the electric toothbrush is more and more popular in use. The electric toothbrush in the market is generally provided with elements such as a motor, a battery, a circuit board and the like, and is provided with a corresponding charging device, the battery generally adopts a common rechargeable battery, and after the electric quantity of the battery is used up, the battery needs to be detached from the electric toothbrush for charging or replaced by a new battery, or the toothbrush is connected with the charging device, and the electric toothbrush is connected with the commercial power through the charging device for charging.

Such electric toothbrushes generally achieve the purpose of charging by contacting electrode points respectively provided on a toothbrush body and a charging device with each other, and when not charging, the electrode points are usually exposed to the air, and after a period of use, the electrode points are gradually oxidized, and the oxidized electrode points are likely to have poor contact during charging, and the directly exposed electrode points have potential safety hazards during use.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a wireless rechargeable electric toothbrush to improve the above problems.

A wireless rechargeable electric toothbrush comprising: the toothbrush comprises a toothbrush body and a base used for placing the toothbrush body and charging the toothbrush body, wherein the toothbrush body comprises a toothbrush head, a motor used for driving the toothbrush head to move, a battery used for supplying energy to the motor, a host circuit board and a toothbrush shell with an accommodating space, and the host circuit board, the motor and the battery are all arranged in the accommodating space of the toothbrush shell; the main machine circuit board is electrically connected with the motor and the battery in pairs, a connecting hole is formed in the top of the toothbrush shell, and an output shaft of the motor extends out of the toothbrush shell through the connecting hole and is fixed with the toothbrush head; the base comprises a base face shell, a base bottom shell and a charging device, the base face shell is buckled on the base bottom shell to form an independent accommodating space, and the charging device is arranged in the accommodating space formed by the base face shell and the base bottom shell; the charging device comprises a base circuit board and a wireless transmitting coil electrically connected with the base circuit board, the toothbrush body further comprises a wireless receiving coil mutually inducted with the wireless transmitting coil, and the wireless receiving coil is electrically connected with the host circuit board and the battery.

Preferably, the toothbrush shell comprises a first shell and a second shell, and the first shell and the second shell enclose to form an accommodating space for accommodating the battery, the host circuit board, the motor and the wireless receiving coil; the second shell comprises an inner wall and a mounting support, the mounting support is fixed on the inner wall, a battery clamping seat, a motor clamping seat and a wireless receiving coil clamping seat which are respectively matched with the battery, the motor and the wireless receiving coil are arranged on the mounting support, and the battery, the motor and the wireless receiving coil are respectively clamped and fixed in the battery clamping seat, the motor clamping seat and the wireless receiving coil clamping seat.

More preferably, the mounting bracket includes a fixed bracket integrally formed with the inner wall and a movable bracket provided independently of the second housing; the fixed support comprises a bearing part, a limiting part and a first screw mounting column, and the movable support comprises a back plate, a first side plate, a second side plate, a third side plate, a fourth side plate and a second screw mounting column; the first side plate, the second side plate, the third side plate and the fourth side plate are vertically fixed on the surface of the same side of the back plate; the movable support is fixed on the first screw mounting column after penetrating through the second screw mounting column through screws, one surface of the back plate, which is far away from the first side plate, the second side plate, the third side plate and the fourth side plate, is abutted against the bearing part, and both ends of the third side plate and one side of the fourth side plate are abutted against the limiting part; the first side plate, the second side plate and the fourth side plate are encircled to form a battery clamping seat, and the second side plate and the third side plate are encircled to form a motor clamping seat; the height of the second screw mounting column is higher than that of the second side plate and the third side plate, and the host circuit board is fixed on the second screw mounting column; the wireless receiving coil clamping seat is arranged on the inner wall of the second shell close to the base and is close to the movable support.

Preferably, the outer portion of the motor output shaft is sleeved with a waterproof silica gel sleeve, a sealing ring is arranged at the position of the connecting hole, the motor output shaft is sleeved in the waterproof silica gel sleeve and then extends out of the connecting hole, an annular boss is arranged at one end, close to the brush head, of the waterproof silica gel sleeve along the outer wall of the waterproof silica gel sleeve, the sealing ring is sleeved outside the waterproof silica gel sleeve and located at one side, close to the brush head, of the annular boss, and the sealing ring and the waterproof silica gel sleeve seal the connecting hole.

More preferably, the base further comprises a drainage member; the drainage piece comprises a first drainage hole which is arranged on the base surface shell and penetrates through the base surface shell, a second drainage hole which is arranged on the base bottom shell and penetrates through the base bottom shell, a first drainage groove which is formed by extending the hole edge of the first drainage hole to the direction of the base bottom shell, and a second drainage groove which is formed by extending the hole edge of the second drainage hole to the direction of the base surface shell; the outer diameter of the first water drainage groove is smaller than the inner diameter of the second water drainage groove; when base face-piece lock was on the base drain pan, first water drainage tank inserted the second water drainage tank in, first water drainage tank and second water drainage tank communicate first wash port and second wash port.

Preferably, still include the switch module, the switch module includes silica gel button and contact switch, the contact switch fix on the host computer circuit board and with host computer circuit board electric connection, the key hole has been seted up to first casing surface department of correspondence, silica gel button one end and contact switch butt, the other end passes through the key hole protrusion in first casing outside.

Preferably, the disinfection device further comprises a disinfection component, the disinfection component comprises a UVC disinfection lamp and a disinfection hole formed in the base surface shell, a lamp body of the UVC disinfection lamp is installed in the disinfection hole, and the UVC disinfection lamp is electrically connected with the base circuit board; the base face shell is provided with a drainage block along the hole edge of the disinfection hole, the drainage block is semicircular, and the hole edge of one side of the disinfection hole close to the center of the base face shell coincides with the outer edge of the semicircular concave part of the drainage block.

More preferably, a heat sink is also included; the heat dissipation piece comprises a fan, a fan mounting frame used for fixing the fan in the base and heat dissipation holes formed in the corresponding position of the base face shell.

Preferably, the toothbrush further comprises a dustproof cup, a groove matched with the cup opening of the dustproof cup is formed in the base shell, and when the dustproof cup is placed in the groove in an inverted mode, the toothbrush body is located in the dustproof cup.

Preferably, the brush head is U-shaped, and the connection position of the brush head and the output shaft of the motor is positioned at the U-shaped concave position.

The utility model provides a wireless rechargeable electric toothbrush has realized the wireless charging to the toothbrush through the wireless receiving coil who sets up in the wireless transmitting coil of base and toothbrush body, does not have naked electrode point in its scheme, has solved electrode point and has exposed the safety problem such as contact failure or arouse the short circuit because of the service environment moisture is heavy, moisture is many after easily leading to the oxidation.

Drawings

Fig. 1 is an exploded view of the wireless rechargeable electric toothbrush of the present invention;

fig. 2 is an exploded view of the wireless charging type electric toothbrush of the present invention;

FIG. 3 is an exploded view of the toothbrush body of the present invention;

fig. 4 is a schematic structural view of a second housing according to the present invention;

FIG. 5 is a schematic structural view of one of the angles of the base of the present invention;

FIG. 6 is a schematic structural view of another angle of the base of the present invention;

fig. 7 is a schematic view of the wireless rechargeable electric toothbrush and the dustproof cup of the present invention.

Reference numerals: the toothbrush comprises a toothbrush body 10, a base 20, a brush head 110, a motor 120, a battery 130, a host circuit board 140, a toothbrush shell 150, a connecting hole 151, a base face shell 210, a base bottom shell 220, a base circuit board 2301, a wireless transmitting coil 2302, a wireless receiving coil 1401, a first shell 152, a second shell 153, an inner wall 1530, a mounting bracket 1531, a battery clamping seat 1532, a motor clamping seat 1533, a wireless receiving coil clamping seat 1534, a fixing bracket 154, a movable bracket 155, a supporting part 1541, a limiting part 1542, a first screw mounting column 1543, a back plate 1551, a first side plate 1552, a second side plate 1553, a third side plate 1554, a fourth side plate 1555, a second screw mounting column 1556, a waterproof silicone sleeve 121, a sealing ring 122, an annular boss 1211, a first water drainage hole 241, a second drainage hole 242, a first drainage groove 2411, a second drainage groove 2421, a switch assembly 160, a silicone key 161, a contact switch 162, a key hole key 1, a UVC disinfection lamp 251, a UV disinfection lamp, Disinfection hole 252, drainage piece 253, heat dissipation piece 260, louvre 263, dustproof cup 30, recess 211, silica gel overcoat 40, the joint 50 that charges.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The present embodiment provides a wireless rechargeable electric toothbrush.

Referring to fig. 1 to 3, a wireless charging type electric toothbrush includes: the toothbrush comprises a toothbrush body 10 and a base 20 for placing the toothbrush body 10 and charging the toothbrush body 10, wherein the toothbrush body 10 comprises a toothbrush head 110, a motor 120 for driving the toothbrush head 110 to move, a battery 130 for supplying power to the motor 120, a host circuit board 140 and a toothbrush housing 150 with a containing space, and the host circuit board 140, the motor 120 and the battery 130 are all arranged in the containing space of the toothbrush housing 150; the host circuit board 140 is electrically connected with the motor 120 and the battery 130, a connecting hole 151 is formed in the top of the toothbrush shell 150, and an output shaft of the motor 120 extends out of the toothbrush shell 150 through the connecting hole 151 and is fixed with the brush head 110; the base 20 includes a base surface shell 210, a base bottom shell 220 and a charging device (not shown), the base surface shell 210 is buckled on the base bottom shell 220 to form an independent accommodating space, and the charging device is disposed in the accommodating space formed by the base surface shell 210 and the base bottom shell 220; the charging device includes a base circuit board 2301 and a wireless transmitting coil 2302 electrically connected to the base circuit board 2301, the toothbrush body 10 further includes a wireless receiving coil 1401 mutually inducted to the wireless transmitting coil 2302, and the wireless receiving coil 1401 is electrically connected to the host circuit board 140 and the battery 130. In this embodiment, wireless charging is realized by the host circuit board 140, the wireless receiving coil 1401, the wireless transmitting coil 2302 and the base circuit board 2301, and an electromagnetic induction principle is adopted, so that an electrode point is not required to be arranged.

Referring to fig. 3 and 4, preferably, the toothbrush shell 150 comprises a first shell 152 and a second shell 153, wherein the first shell 152 and the second shell 153 enclose a containing space for containing the battery 130, the host circuit board 140, the motor 120 and the wireless receiving coil 1401; the second housing 153 includes an inner wall 1530 and a mounting bracket 1531, the mounting bracket 1531 is fixed on the inner wall 1530, the mounting bracket 1531 is provided with a battery socket 1532, a motor socket 1533 and a wireless receiving coil socket 1534 respectively adapted to the battery 130, the motor 120 and the wireless receiving coil 1401, and the battery 130, the motor 120 and the wireless receiving coil 1401 are respectively fixed in the battery socket 1532, the motor socket 1533 and the wireless receiving coil socket 1534 in a clamping manner.

As shown in fig. 4, more preferably, the mounting bracket 1531 includes a fixed bracket 154 integrally formed with the inner wall 1530 and a movable bracket 155 provided independently of the second housing 153; the fixed bracket 154 includes a supporting portion 1541, a limiting portion 1542 and a first screw mounting post 1543, and the movable bracket 155 includes a back plate 1551, a first side plate 1552, a second side plate 1553, a third side plate 1554, a fourth side plate 1555 and a second screw mounting post 1556; the first side plate 1552, the second side plate 1553, the third side plate 1554 and the fourth side plate 1555 are all vertically fixed on the surface of the same side of the back plate 1551; the movable support 155 is fixed on the first screw mounting column 1543 after passing through the second screw mounting column 1556 by a screw, one surface of the back plate 1551 away from the first side plate 1552, the second side plate 1553, the third side plate 1554 and the fourth side plate 1555 is abutted against the supporting part 1541, and two ends of the third side plate 1554 and one side of the fourth side plate 1555 are both abutted against the limiting part 1542; the first side plate 1552, the second side plate 1553 and the fourth side plate 1555 are enclosed to form a battery clamping seat 1532, and the second side plate 1553 and the third side plate 1554 are enclosed to form a motor clamping seat 1533; the second screw mounting columns 1556 are higher than the second side plate 1553 and the third side plate 1554, and the host circuit board 140 is fixed on the second screw mounting columns 1556; a wireless receiver coil holder 1534 is disposed on the second housing 153 adjacent the inner wall 1530 of the base 20 and adjacent the movable support 155.

The toothbrush housing 150 and the mounting bracket 1531 inside the toothbrush housing 150 ensure the stability of the structures such as the battery 130, the coil, the motor 120, etc. inside the toothbrush housing 150, so that the structures can be firmly fixed inside the toothbrush housing 150 to adapt to the use situation that the toothbrush body 10 needs to move frequently and in multiple directions. Optionally, the toothbrush shell 150 is further wrapped by a silica gel outer sleeve 40, the silica gel outer sleeve 40 further ensures the waterproof effect inside the toothbrush body 10, the hand feeling is comfortable, and the embossed patterns are further arranged on the silica gel outer sleeve 40, so that the interestingness is increased, and the attraction to children is facilitated.

Referring to fig. 2 and 3, preferably, a waterproof silicone sleeve 121 is sleeved outside an output shaft of the motor 120, a sealing ring 122 is disposed at the connecting hole 151, the output shaft of the motor 120 is sleeved in the waterproof silicone sleeve 121 and then extends out of the connecting hole 151, an annular boss 1211 is disposed at one end of the waterproof silicone sleeve 121 close to the brush head 110 along an outer wall of the waterproof silicone sleeve 121, the sealing ring 122 is sleeved outside the waterproof silicone sleeve 121 and located at one side of the annular boss 1211 close to the brush head 110, and the connecting hole 151 is sealed by the sealing ring 122 and the waterproof silicone sleeve 121. Waterproof silicone cover 121 has effectively guaranteed motor 120's waterproof environment, and sealing washer 122 then further keeps the leakproofness with the accommodating space that first casing 152 and second casing 153 are constituteed, has ensured the waterproof dustproof environment of toothbrush body 10 internal component.

Referring to fig. 2, 5 and 6, preferably, the base 20 further includes a drain member (not shown); the drainage member comprises a first drainage hole 241 arranged on the base surface shell 210 and penetrating through the base surface shell 210, a second drainage hole 242 arranged on the base bottom shell 220 and penetrating through the base bottom shell 220, a first drainage groove 2411 formed by extending along the hole edge of the first drainage hole 241 to the direction of the base bottom shell 220, and a second drainage groove 2421 formed by extending along the hole edge of the second drainage hole 242 to the direction of the base surface shell 210; the outer diameter of the first water drainage groove 2411 is smaller than the inner diameter of the second water drainage groove 2421; when the base surface shell 210 is fastened to the base bottom shell 220, the first water drainage groove 2411 is inserted into the second water drainage groove 2421, and the first water drainage hole 241 is communicated with the second water drainage hole 242 through the first water drainage groove 2411 and the second water drainage groove 2421. The drainage member can effectively guide the water drops on the base surface shell 210 to the outside of the base 20. The base 20 is provided with a charging connector 50 therein, which is electrically connected to the base circuit board 2301 for accessing an external power source.

As shown in fig. 2, it is more preferable that the switch assembly 160 further includes a switch assembly 160, the switch assembly 160 includes a silicone key 161 and a contact switch 162, the contact switch 162 is fixed on the host circuit board 140 and electrically connected to the host circuit board 140, a key hole 1521 is formed at a position corresponding to the surface of the first casing 152, one end of the silicone key 161 abuts against the contact switch 162, and the other end protrudes out of the first casing 152 through the key hole 1521.

Referring to fig. 2, 5 and 6, preferably, the present embodiment further includes a sterilization assembly (not shown), the sterilization assembly includes a UVC sterilization lamp 251 and a sterilization hole 252 formed on the base panel 210, the UVC sterilization lamp 251 is installed in the sterilization hole 252, and the UVC sterilization lamp 251 is electrically connected to the base circuit board 2301. The base face shell 210 is provided with a drainage block 253 along the hole edge of the disinfection hole 252, the drainage block 253 is semicircular, and the hole edge of the disinfection hole 252 close to one side of the center of the base face shell 210 is overlapped with the outer edge of the semicircular concave position of the drainage block 253.

As shown in fig. 2, it further preferably includes a heat sink 260; the heat sink 260 includes a fan (not shown), a fan mounting bracket (not shown) for fixing the fan in the base 20, and heat dissipation holes 263 opened at corresponding positions of the base panel 210. The circuit elements such as the wireless receiving coil 1401 and the wireless transmitting coil 2302 are usually heated during operation, and the heat dissipation member 260 can effectively reduce the temperature thereof, so as to avoid the problem of additional power consumption or reduced service life of the circuit elements due to heating. In this embodiment, the heat dissipating member 260 also has an air drying function, and the toothbrush is attached with water beads after brushing teeth, and the heat dissipating member 260 can dry the water beads in the air.

As shown in fig. 7, preferably, the toothbrush further comprises a dustproof cup 30, a groove 211 matched with the cup mouth of the dustproof cup 30 is formed on the base panel 210, and when the dustproof cup 30 is placed in the groove 211 in an inverted manner, the toothbrush body 10 is located in the dustproof cup 30. Optionally, the first drain hole 241 is disposed in the groove 211 and at the bottom of the groove 211. The dirt cup 30 may also be used as a tooth mug.

As shown in fig. 2, the upper surface of the base panel 210 includes a platform-shaped placement area for placing the toothbrush body 10, and a gently sloping structure is disposed downward along the edge of the placement area, and the lower edge of the gently sloping structure is connected to the groove 211. When the toothbrush body 10 is placed in the placement area, the water droplets carried on the toothbrush body 10 flow into the groove 211 along the gentle slope structure on the surface of the base panel 210 and flow out through the first drain hole 241 in the groove 210. In a similar way, when the dustproof cup 30 is reversely buckled on the base 20, the undried water drops in the dustproof cup 30 can also flow out through the groove 211 and the drainage piece, so that the defect that the bacteria are bred due to the accumulated water formed on the base 20 is avoided. The diverter block prevents water droplets from flowing down the toothbrush body 10 from entering the sanitizing apertures 252. The dust cup 30 is turned upside down on the base 20, and after the sterilizing lamp 251 is turned on, the semi-enclosed space formed by the dust cup 251 and the base surface shell 210 can be sterilized to kill bacteria carried on the brush head 110 or attached to the toothbrush body 10 when the user holds the toothbrush body 10.

In this embodiment, the brush head 110 is provided with a "U" shape, and the connection position of the brush head 110 and the output shaft of the motor 120 is located at the U-shaped concave position. Alternatively, the head 110 may be provided in other shapes. For example, the brush head 110 is designed to be semi-circular according to the characteristics of the mouth area and the shape of the child. The "U" shaped head 110 of this embodiment is generally suitable for use with a medium sized child. The brush head is made of nipple-level silica gel, and is harmless and tasteless.

To sum up, the utility model provides a wireless rechargeable electric toothbrush has realized the wireless charging to the toothbrush through the wireless receiving coil who sets up in the wireless transmitting coil of base and toothbrush body, does not have naked electrode point in its scheme, has solved the electrode point and has exposed easy contact failure after leading to the oxidation or because of the service environment moisture is heavy, moisture arouses safety problems such as short circuit more.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (10)

1. A wireless rechargeable electric toothbrush, comprising: the toothbrush comprises a toothbrush body and a base used for placing the toothbrush body and charging the toothbrush body, wherein the toothbrush body comprises a toothbrush head, a motor used for driving the toothbrush head to move, a battery used for supplying energy to the motor, a host circuit board and a toothbrush shell with a containing space, and the host circuit board, the motor and the battery are all arranged in the containing space of the toothbrush shell; the host circuit board is electrically connected with the motor and the battery in pairs, a connecting hole is formed in the top of the toothbrush shell, and an output shaft of the motor extends out of the toothbrush shell through the connecting hole and is fixed with the toothbrush head;

the base comprises a base face shell, a base bottom shell and a charging device, the base face shell is buckled on the base bottom shell to form an independent accommodating space, and the charging device is arranged in the accommodating space formed by the base face shell and the base bottom shell;

the charging device comprises a base circuit board and a wireless transmitting coil electrically connected with the base circuit board, the toothbrush body further comprises a wireless receiving coil mutually inducted with the wireless transmitting coil, and the wireless receiving coil is electrically connected with the host circuit board and the battery.

2. The cordless rechargeable electric toothbrush according to claim 1, wherein the toothbrush housing comprises a first housing and a second housing enclosing a receiving space for receiving the battery, the host circuit board, the motor and the wireless receiving coil; the second shell comprises an inner wall and a mounting support, the mounting support is fixed on the inner wall, the mounting support is provided with a battery clamping seat, a motor clamping seat and a wireless receiving coil clamping seat which are respectively matched with the battery, the motor and the wireless receiving coil, and the battery, the motor and the wireless receiving coil are respectively clamped and fixed in the battery clamping seat, the motor clamping seat and the wireless receiving coil clamping seat.

3. The cordless rechargeable electric toothbrush according to claim 2, wherein the mounting bracket comprises a fixed bracket integrally formed with the inner wall and a movable bracket provided independently of the second housing; the fixed support comprises a bearing part, a limiting part and a first screw mounting column, and the movable support comprises a back plate, a first side plate, a second side plate, a third side plate, a fourth side plate and a second screw mounting column; the first side plate, the second side plate, the third side plate and the fourth side plate are vertically fixed on the surface of the same side of the back plate; the movable support penetrates through the second screw mounting column through a screw and then is fixed on the first screw mounting column, one surface of the back plate, which is far away from the first side plate, the second side plate, the third side plate and the fourth side plate, is abutted against the supporting part, and two ends of the third side plate and one side of the fourth side plate are both abutted against the limiting part; the first side plate, the second side plate and the fourth side plate are encircled to form the battery clamping seat, and the second side plate and the third side plate are encircled to form the motor clamping seat; the height of the second screw mounting column is higher than that of the second side plate and the third side plate, and the host circuit board is fixed on the second screw mounting column; the wireless receiving coil clamping seat is arranged on the inner wall, close to the base, of the second shell and is close to the movable support.

4. The wireless charging type electric toothbrush according to claim 1, wherein a waterproof silicone sleeve is sleeved outside the motor output shaft, a sealing ring is arranged at the connecting hole, the motor output shaft is sleeved in the waterproof silicone sleeve and extends out of the connecting hole, an annular boss is arranged at one end of the waterproof silicone sleeve close to the brush head along the outer wall of the waterproof silicone sleeve, the sealing ring is sleeved outside the waterproof silicone sleeve and located at one side of the annular boss close to the brush head, and the connecting hole is sealed by the sealing ring and the waterproof silicone sleeve.

5. The cordless rechargeable electric toothbrush according to claim 1, wherein the base further comprises a drain; the drainage piece comprises a first drainage hole, a second drainage hole, a first drainage groove and a second drainage groove, wherein the first drainage hole is formed in the base surface shell and penetrates through the base surface shell, the second drainage hole is formed in the base bottom shell and penetrates through the base bottom shell, the first drainage groove is formed by extending along the hole edge of the first drainage hole to the direction of the base bottom shell, and the second drainage groove is formed by extending along the hole edge of the second drainage hole to the direction of the base surface shell; the outer diameter of the first water drainage groove is smaller than the inner diameter of the second water drainage groove; when the base surface shell is buckled on the base bottom shell, the first water drainage groove is inserted into the second water drainage groove, and the first water drainage hole is communicated with the second water drainage hole through the first water drainage groove and the second water drainage groove.

6. The wireless charging type electric toothbrush according to claim 2, further comprising a switch assembly, wherein the switch assembly comprises a silicone key and a contact switch, the contact switch is fixed on the host circuit board and electrically connected with the host circuit board, a key hole is formed in a position corresponding to the surface of the first casing, one end of the silicone key abuts against the contact switch, and the other end of the silicone key protrudes out of the first casing through the key hole.

7. The wireless charging type electric toothbrush according to claim 1, further comprising a disinfecting assembly, wherein the disinfecting assembly comprises a UVC disinfecting lamp and a disinfecting hole formed on the base surface shell, the UVC disinfecting lamp body is mounted in the disinfecting hole and is electrically connected with the base circuit board; the base face shell is provided with a disinfection hole, the disinfection hole is arranged in the base face shell, the disinfection hole is arranged in the disinfection hole, and the disinfection hole is arranged in the disinfection hole.

8. The cordless rechargeable electric toothbrush according to claim 1, further comprising a heat sink; the heat dissipation piece comprises a fan, a fan mounting frame and heat dissipation holes, wherein the fan mounting frame is used for fixing the fan in the base, and the heat dissipation holes are formed in the corresponding positions of the base surface shell.

9. The wireless charging type electric toothbrush according to claim 1, further comprising a dustproof cup, wherein a groove matched with the mouth of the dustproof cup is formed in the base shell, and when the dustproof cup is placed in the groove in an inverted manner, the toothbrush body is located in the dustproof cup.

10. The cordless rechargeable electric toothbrush according to any one of claims 1 to 9, wherein the brush head is provided with a "U" shape, and a connection portion of the brush head and the motor output shaft is located at a recess of the "U" shape.

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