CN218870552U - Self-cleaning multifunctional electric toothbrush - Google Patents

Abstract

The patent discloses a self-cleaning multifunctional electric toothbrush, which comprises a shell (2) and a replaceable brush handle (3), wherein brush bristles (303) and a toothpaste outlet (304) are arranged on a brush head (301) at the upper end of the brush handle (3); the lower end opening of the shell (2) is detachably connected with the toothpaste box (1); a micro air pump (5), a micro spherical pump (6), a power supply (7), a control panel (8) and a foam generator (9) are further arranged in the shell (2), the outlet of the micro spherical pump (6) and the outlet of the micro air pump (5) are respectively communicated with the foam generator (9) through hoses, the outlet of the foam generator (9) is communicated with a toothpaste channel (305) arranged on the brush handle (3) through a connecting pipe (901), and the lower end of a pipette (601) is inserted into the toothpaste box (1); the advantages are that: the self-cleaning degree is improved, the extrusion amount of the toothpaste can be accurately controlled, and the quality of the electric toothbrush is improved.

Description

Self-cleaning multifunctional electric toothbrush

Technical Field

The patent relates to an oral cleaning tool, in particular to a self-cleaning multifunctional electric toothbrush.

Background

The electric toothbrush, which is a new product recently introduced, has high brushing efficiency and convenient use, and has attracted more and more attention, and the use and popularization rate of the electric toothbrush are also higher and more. With the continuous improvement of the electric toothbrush technology, the functions of the electric toothbrush are more and more, an electric toothbrush with an automatic toothpaste squeezing function is developed, a liquid pump and a toothpaste storage box are additionally arranged in a shell of the electric toothbrush, toothpaste or liquid toothpaste is pumped to the head of the toothbrush through a miniature liquid pump before tooth brushing, the step of manually squeezing toothpaste is omitted, and the electric toothbrush is a relatively high-end electric toothbrush at present. However, after the electric toothbrush with the function of automatically squeezing toothpaste out of the toothbrush is used up, because toothpaste still exists on the pipeline from the toothbrush head to the toothpaste liquid conveying pipeline, the residual toothpaste in the pipeline is caked and solidified to cause pipeline blockage, and meanwhile, water easily enters the toothpaste pipeline from the toothpaste outlet on the toothbrush head reversely during cleaning to cause toothpaste pollution in the pipeline, so that a large amount of toothpaste must be squeezed out again to replace the residual blocky toothpaste and the polluted toothpaste in the pipeline before the next use, thereby causing toothpaste waste; in addition, the existing electric toothbrush capable of automatically squeezing toothpaste adopts a diaphragm pump for pumping toothpaste, and due to the limitation of pressure and metering accuracy of the pump, the extrusion amount of toothpaste cannot be accurately controlled during squeezing toothpaste, so that the experience of a user on the electric toothbrush is influenced by the problems.

Disclosure of Invention

The invention aims to design a self-cleaning multifunctional electric toothbrush, which is designed by utilizing the latest spherical pump technology and the miniaturization design, can automatically squeeze toothpaste and brush teeth, has accurate extrusion amount of the toothpaste, can deeply blow and clean oral cavities, teeth, slits between teeth and gum, and can automatically clean residual toothpaste and brush heads in pipelines for conveying the toothpaste in the toothbrush after brushing teeth.

The technical scheme of this patent is: a self-cleaning multifunctional electric toothbrush comprises a shell which can be held by hand and a replaceable brush handle, wherein brush bristles and a toothpaste outlet are arranged on a brush head at the upper end of the brush handle; the connecting part at the lower end of the brush handle is inserted from the upper end opening of the shell and then is inserted into an output shaft of a brush handle driving mechanism arranged in the shell, and the lower end opening of the shell is detachably connected with a toothpaste box; a miniature air pump, a miniature spherical pump, a power supply, a control panel and a foam generator are also arranged in the shell, the outlet of the miniature spherical pump and the outlet of the miniature air pump are respectively communicated with the foam generator through hoses, the outlet of the foam generator is communicated with a toothpaste channel arranged on the brush handle through a connecting pipe, the toothpaste channel is communicated with a toothpaste outlet, a liquid inlet of the miniature spherical pump is connected with the upper end of a liquid suction pipe, and the lower end of the liquid suction pipe is inserted into the toothpaste box; the inlet of the micro air pump sucks air from the outside of the shell through an air suction pipe; the power supply respectively supplies power to the miniature spherical pump, the miniature air pump, the brush handle driving mechanism and the control panel, the control panel is used for controlling the miniature spherical pump, the miniature air pump and the brush handle driving mechanism to act, and the shell is provided with an operation panel electrically connected with the control panel;

furthermore, the toothpaste box is detachably connected with the lower end of the shell in a threaded or buckled connection mode, a sealing block is arranged at the joint of the toothpaste box and the shell, and the lower end of the liquid suction pipe penetrates through the sealing block and then is inserted into the toothpaste box to suck toothpaste;

furthermore, the brush holder driving mechanism comprises a motor and a transmission mechanism, an output shaft of the transmission mechanism is connected with the connecting part at the lower end of the brush holder, and the transmission mechanism is driven by the motor to generate vibration, so that the brush holder is driven to continuously vibrate;

furthermore, the miniature spherical pump and the brush handle driving mechanism share one motor or are respectively connected with one motor; the micro air pump is provided with a micro motor;

furthermore, the miniature air pump and the brush handle driving mechanism share one motor or are respectively connected with one motor; the miniature spherical pump is provided with a miniature motor;

furthermore, one or more control buttons of toothpaste squeezing, automatic tooth brushing, single air blowing and self cleaning are arranged on the operation panel;

the toothpaste dispenser further comprises a water storage box, the water storage box is used for replacing the toothpaste box, the water storage box is connected with the lower end of the shell through threads or buckles, and the lower end of the liquid suction pipe is inserted into the water storage box to suck water;

furthermore, a plug is arranged at an opening at the lower end of the shell and used for replacing the toothpaste box, the plug is connected with the lower end of the shell through threads or a buckle, and the lower end of the pipette penetrates through a central through hole of the plug and extends out of the shell.

The advantage of this patent is:

1) According to the self-cleaning multifunctional electric toothbrush, the miniature air pump can operate independently, the single air blowing function is started after the tooth brushing is finished, and the toothpaste remained in the toothpaste channel connecting the hose and the brush handle is cleaned through air blowing, so that the problems of blockage of the channel by the toothpaste and pollution to the toothpaste during flushing and cleaning are solved, the self-cleaning degree is improved, the toothpaste is saved, and the user experience is improved;

2) The spherical pump is a latest invented variable-volume mechanism, has simple structure, no air inlet and outlet valves, and small volume and can be miniaturized, in the patent, the external diameter of the spherical pump is 6-12 mm, and the total length of the pump and the motor is 10-20 mm, so that the volume of the electric toothbrush is reduced, and the electric toothbrush is more suitable for being carried;

3) The micro spherical pump has the advantages of accurate flow and strong self-suction force, is very suitable for a pump for accurate metering, is used for pumping toothpaste, can accurately control the extrusion amount of the toothpaste, and improves the quality of the electric toothbrush;

4) This patent self-cleaning multifunctional electric toothbrush can squeeze toothpaste automatically, electronic brushing teeth, can also the miniature air pump of independent control carry out the degree of depth cleanness through blowing to the residue that the oral cavity remained in department such as oral cavity, slit between the teeth, gum, simultaneously, in specific occasion, if toothpaste use up or hope with the water under the automatic condition of washing, absorb water with water box replacement toothpaste box or pipette disect insertion drinking cup, the water is cleaned electric toothbrush or oral cavity, degree of automation is high, really realizes multi-functionally.

Drawings

FIG. 1: a first embodiment of the electric toothbrush of the patent is schematically structured;

FIG. 2: FIG. 1 isbase:Sub>A sectional view taken along line A-A;

FIG. 3: a second embodiment of the electric toothbrush of this patent is schematically structured;

FIG. 4: a schematic view of a three-dimensional structure of the chute rotating sleeve;

FIG. 5 is a schematic view of: the structure schematic diagram of the micro spherical pump;

FIG. 6: FIG. 5 is a cross-sectional view taken along line D-D;

FIG. 7: the cylinder cover is in a three-dimensional structure schematic diagram;

FIG. 8: a schematic perspective structure of the cylinder body;

FIG. 9: the piston is in a three-dimensional structure schematic diagram;

FIG. 10: a schematic view of a three-dimensional structure of the turntable;

in the figure: 1-toothpaste box; 2-a housing; 201-sealing block; 202-plug; 3-brush handle; 301-a brush head; 302-a connecting portion; 303-bristles; 304-toothpaste outlet; 305-toothpaste channel; 4-brush holder driving mechanism; 5-a miniature air pump; 501-air inlet pipe; 502-an outlet pipe; 6-a miniature spherical pump; 601-pipette; 602-a liquid outlet pipe; 7-a power supply; 701-a charging module; 702-a charging socket; 8-control panel; 801-an operation panel; 9-a foam generator; 901-connecting pipe; 10-a water cup;

61-cylinder cover; 611-liquid inlet; 612-liquid drain; 613-trepanning holes; 614-liquid inlet tank; 615-liquid discharge tank; 62-cylinder body; 621-cylinder block; 63-a sleeve; 64-a baffle ring; 65-sealing ring; 66-a turntable; 661-carousel axis; 662-turntable pin bosses; 67- "O" shaped ring; 68-a piston; 681-sliding shoes; 682-piston pin boss; 69-chute rotating sleeve; 691-a chute; 100-a working chamber.

Detailed Description

The following detailed description of the present patent refers to the accompanying drawings and detailed description.

As shown in fig. 1 and fig. 2, in a first embodiment of a self-cleaning multifunctional electric toothbrush, the self-cleaning multifunctional electric toothbrush comprises a toothpaste box 1, a housing 2 and a brush handle 3, wherein bristles 303 and a toothpaste outlet 304 are arranged on a brush head 301 at the upper end of the brush handle 3, a toothpaste channel 305 is arranged inside the brush handle 3, and the toothpaste outlet 304 is communicated with the toothpaste channel 305; the connecting part 302 at the lower end of the brush holder 3 is inserted into the shell 2 from the opening at the upper end of the shell 2 and then is connected with the output shaft of the brush holder driving mechanism 4 arranged in the shell 2; a sealing structure is arranged between the brush holder 3 and the upper end opening of the shell 2 to prevent external water, dust and foreign matters from entering the shell 2. The shell 2 is a rod-shaped structure and is suitable for being held by a hand, a brush holder driving mechanism 4 for driving the brush holder 2 to vibrate automatically is arranged in the shell 2, the brush holder driving mechanism 4 comprises a motor and a transmission mechanism connected with an output shaft of the motor, the output shaft of the transmission mechanism is connected with the connecting part 302 at the lower end of the brush holder 3 in a quick insertion mode, and the transmission mechanism is used for converting energy output by the motor into kinetic energy capable of continuously vibrating the brush holder, so that the automatic tooth brushing function is realized.

The shell 2 is also internally provided with a micro air pump 5, a micro spherical pump 6, a power supply 7, a control panel 8 and a foam generator 9, the micro spherical pump 6, the micro air pump 5, the control panel 8 and the power supply 7 are fixed in the shell 2 through a support, a liquid outlet 612 of the micro spherical pump 6 is communicated with an inlet of the foam generator 9 through a liquid outlet pipe 602, an outlet of the micro air pump 5 is communicated with the inlet of the foam generator 9 through an air outlet pipe 502, an outlet of the foam generator 9 is communicated with a toothpaste channel 305 arranged on the brush handle 3 through a connecting pipe 901, the toothpaste channel 305 is communicated with a toothpaste outlet 304, a liquid inlet of the micro spherical pump 6 is connected with the upper end of a liquid suction pipe 601, and the lower end of the liquid suction pipe 601 is inserted into the toothpaste box 1; the air inlet of the micro air pump 5 sucks air from the outside of the shell 1 through an air inlet pipe 501; be provided with toothpaste box 1 at the lower extreme of shell 2, toothpaste box 1 is used for storing liquid toothpaste or paste toothpaste, toothpaste box 1 is detachable, is connected with the lower extreme opening of shell 2 through the form of screw thread or buckle connection.

The micro spherical pump 6 is used for pumping toothpaste to the foam generator 9, the micro air pump 5 is used for pressurizing and conveying air to the foam generator 9, pressurized air and the toothpaste are fully mixed in the foam generator 9 to form foam liquid, the foam liquid enters the toothpaste channel 305 in the brush handle 3 from the foam generator 9 through the connecting pipe 901 and is extruded from the toothpaste outlet 304 on the brush head 301 for use; the foam toothpaste has better activation, is more beneficial to efficiently cleaning teeth and can save toothpaste; the micro ball pump 6 and the micro air pump are respectively a power unit with a motor, or the micro ball pump 6 and the brush holder driving mechanism 4 share a motor, and the micro air pump 5 is provided with an independent motor; or the micro air pump 5 and the brush holder driving mechanism 4 share one motor, and the micro ball pump 6 is provided with an independent motor.

The power supply 7 respectively supplies power to the motor of the miniature spherical pump 6, the motor of the miniature air pump 5, the motor of the brush holder driving mechanism 4 and the control panel 8, the control panel 8 is used for controlling the motor mechanisms of the miniature spherical pump 6, the miniature air pump 5 and the brush holder driving mechanism 4 to act, and the outer surface of the shell 2 is provided with an operation panel 801 electrically connected with the control panel 8; a plurality of operation keys are provided on the operation panel 801; the operation buttons comprise one or more of toothpaste squeezing, automatic tooth brushing, single air blowing and self cleaning.

A sealing block 202 is arranged at the joint of the shell 2 and the toothpaste box 1, and the lower end of the liquid suction pipe 601 penetrates through the sealing block 202 and then extends into the toothpaste box 1; in order to prevent negative pressure from being formed in the toothpaste box 1 after the pipette 601 sucks toothpaste from the toothpaste box 1, a one-way air inlet valve can be arranged on the side wall of the upper part of the toothpaste box 1, and a small amount of air can enter to maintain pressure balance; the liquid inlet 611 of the miniature spherical pump 6 is connected with the toothpaste box 1 through the liquid suction pipe 601, liquid toothpaste is sucked from the toothpaste box 1, and the liquid outlet 612 of the miniature spherical pump 6 is communicated with the toothpaste channel 305 arranged on the brush handle 3 through the liquid outlet pipe 602.

The power supply 7 comprises a rechargeable battery arranged in the shell 2, a charging module 701 and a charging socket 702 arranged on the surface of the shell 2; the charging module 701 charges the rechargeable battery through the charging socket 702; the control board 8 is electrically connected with the micro spherical pump driving motor, the brush holder driving mechanism motor and the operation panel 801 respectively, and is used for controlling the micro spherical pump 6 and the brush holder driving mechanism 4 to operate, and controlling the operation of the electric toothbrush through the operation panel 801.

The embodiment can realize the functions of independently squeezing toothpaste and brushing teeth by the electric toothbrush, can also realize the function of cleaning the oral cavity by single blowing, and can also realize the functions of brushing teeth and blowing air simultaneously, and the residual toothpaste foam in the toothpaste outlet 304 is cleaned by single blowing after the teeth are brushed, and the brush head is cleaned by blowing air. Realizing the self-cleaning of the electric toothbrush.

Fig. 3 is a schematic view showing a structure of a multi-functional electric toothbrush according to a second embodiment of the present patent, wherein the second embodiment is different from the first embodiment in that: in the second embodiment, the toothpaste box 1 is not provided, a plug 202 is arranged at the lower opening of the shell 2 and used for replacing the toothpaste box 1, the plug 202 is connected with the lower end of the shell 2 through threads or a buckle, and the lower end of the pipette 601 passes through the central through hole of the plug 202 and extends out of the shell 2; the structure is more flexible, and the pipette 601 can be inserted into any other water storage device to suck water, such as the water cup 10 and the water from the water cup 10 for washing the toothbrush and the oral cavity. The other structure is the same as that of the first embodiment.

As a further functional extension of the patent, the toothpaste box comprises a water storage box, the water storage box is used for replacing the toothpaste box 1 in the first embodiment, the water storage box is connected with the lower end of the shell 2 through threads or a buckle, and the lower end of the liquid suction pipe 601 is inserted into the water storage box to suck water; thus, the electric toothbrush can be used as an integrated electric toothbrush for flushing, cleaning and electrically brushing teeth.

The micro ball pump 6 is constructed as shown in fig. 4 to 10. Spherical pumps having a spherical cavity of spherical pump 6 with a diameter of no more than 15 mm are commonly referred to in the industry as micro spherical pumps. The miniature spherical pump 6 used in the patent comprises a cylinder cover 61, a cylinder body 62, a turntable 66, a piston 68 and a chute rotating sleeve 69, wherein the cylinder body 62 and the cylinder cover 61 are provided with hemispherical inner cavities, and the cylinder body 66 and the cylinder cover 61 are fixedly connected to form the spherical inner cavity; as shown in fig. 7, a sleeve rotating hole 613, a water inlet channel 614 and a water outlet channel 615 are arranged on the hemispherical inner cavity of the cylinder cover 61, a liquid inlet 611 and a liquid outlet 612 are arranged on the outer wall of the upper end of the cylinder cover 61, the liquid inlet 611 is communicated with the water inlet channel 614, and the liquid outlet 612 is communicated with the water outlet channel 615; the liquid inlet 611 and the liquid outlet 612 are respectively connected with the liquid suction pipe 601 and the liquid outlet pipe 602; the rotating sleeve hole 613 is arranged at the spherical center of the hemispherical inner cavity, the axis of the rotating sleeve hole 613 is perpendicular to the end surface of the hemispherical inner cavity of the cylinder cover 61, and a protruding positioning ring is arranged on the end surface and is used for matching and positioning when being connected with the end surface of the cylinder body 62.

As shown in fig. 8, a cylinder block 621 is fixedly connected to the lower end of the cylinder block 62, the cylinder block 621 and the cylinder block 62 are connected into a whole, a central hole communicating from the spherical surface of the hemispherical inner cavity of the cylinder block to the outside of the cylinder is arranged in the cylinder block 621, the central hole is used as a rotary support of the turntable shaft 661, an included angle between the axis of the central hole and the end surface of the hemispherical inner cavity of the cylinder block 62 is α, the α is in a range of 5 to 20 degrees, and α is preferably selected to be 15 degrees in this embodiment. The end surfaces of the hemispherical inner cavities of the cylinder body 62 and the cylinder cover 61 are provided with a positioning structure and a connecting flange, the end surface of the cylinder cover 61 is provided with a protruding positioning ring, and the end surface of the cylinder body 62 is provided with a positioning groove matched with the positioning ring. An O-ring 67 is provided at the junction of the end faces of the cylinder block 62 and the cylinder head 61. The cylinder body 62 and the cylinder cover 61 can be fixedly connected through screws or can be fixedly connected through an ultrasonic welding mode after being positioned through a positioning structure.

As shown in fig. 6 and 9, the piston 68 has a spherical surface, two side surfaces forming a certain angle, and piston pin holders 682 at the lower portions of the two side surfaces, a sliding shoe 681 is protruded at the center of the spherical surface of the piston, the piston pin holders 682 have a semi-cylindrical structure protruded on the two side surfaces of the piston, and the two ends of the semi-cylindrical structure are spherical surfaces; the slipper 681 has two planes as working faces symmetrically arranged on both sides of the semi-cylindrical axis of the piston pin holder 682; the axis of the semi-cylinder of the piston pin holder 682 is parallel to the two parallel planes of the sliding shoe 681.

As shown in fig. 6 and 10, the upper end of the turntable 66 is a plane, a semi-cylindrical hole is recessed inwards on the plane of the upper end to form a turntable pin seat 662, a turntable shaft 661 protrudes from the center of the lower portion of the turntable 66, and a turntable spherical surface is formed between the upper end surface of the turntable 66 and the lower turntable shaft 661; the turntable pin base 662 is matched with the piston pin base 682, and a semi-cylinder of the piston pin base 682 is inserted into a semi-cylinder hole of the turntable pin base 662 to form a C-shaped cylindrical hinge structure.

As shown in fig. 4, the chute shoe 69 is cylindrical, a chute 691 is provided on a lower end surface of the cylinder, a width of the chute 691 is adapted to a size of a gap between two parallel working surfaces of the shoe 681 of the piston, a length of the chute 691 may be a length that the shoe 681 slides back and forth in the chute 691 every time the turntable shaft 661 rotates one cycle, and the length of the chute 691 may be a length that the shoe 681 slides back and forth at the lower end surface of the chute shoe 69 or may be a length that the shoe 681 slides back and forth. The outer circle diameter of the chute rotating sleeve 69 is matched with the diameter of the rotating sleeve hole 613 on the cylinder cover 61, the chute rotating sleeve 69 is arranged in the rotating sleeve hole 613, the lower end face of the chute rotating sleeve 69 does not protrude out of the inner spherical surface of the spherical inner cavity, the axis of the chute rotating sleeve 69 is overlapped with the axis of the rotating sleeve hole 613, the chute rotating sleeve 69 can freely rotate around the axis in the rotating sleeve hole 613, in order to install and reduce friction between the upper end face of the chute rotating sleeve 69 and the bottom face of the rotating sleeve hole 613, a process groove is arranged on the upper end face of the chute rotating sleeve 69, a through process hole is formed between the process groove and the bottom of the chute 691, and installation is convenient.

A baffle ring 64 and a sealing ring 65 are arranged on the matching surface of the turntable shaft 661 and the central hole of the cylinder body seat 121; the turntable shaft 661 is matched with a central hole of the cylinder block 121, the turntable shaft 661 is a step shaft, and the central hole of the cylinder block 121 is a corresponding step hole; a seal ring 65 is journalled on the upper end of the turntable shaft 661 to prevent water from entering the motor, and a stop ring 64 prevents the seal ring 65 from moving and forming a rotational support. The lower end of the turntable shaft 661 is provided with a semi-shaft head or a round shaft head for connecting with an output shaft of a power mechanism to transmit power. In order to connect accurately and reliably, a sleeve 63 is arranged on the periphery of the joint of the shaft head of the turntable shaft 661 and the shaft head of the output shaft of the power mechanism, and the sleeve 63 is in transition fit with the shaft head of the turntable shaft 661 and the shaft head of the output shaft of the power mechanism respectively.

As shown in fig. 6 and 7, the axis of the rotating sleeve hole 613 on the inner spherical surface of the cylinder cover 61 and the axis of the central hole of the cylinder body seat 121 both pass through the spherical center of the spherical inner cavity, and the angle between the axis of the rotating sleeve hole 613 and the axis of the central hole of the cylinder body seat 121 is α; the piston 68 and the turntable 66 are connected through the cylindrical surface hinge and then are arranged in the spherical inner cavity, the spherical surface of the piston, the spherical surface of the turntable and the spherical inner cavity have the same spherical center and form sealing movable fit, and the sealing movable fit is formed among the matching surfaces of the cylindrical surface hinge; the sliding shoe 681 at the upper end of the piston 68 is placed in the sliding groove 691 at the lower end face of the sliding groove rotary sleeve 69, two parallel faces of the sliding shoe 681 are attached to two side faces of the sliding groove 691 to form sliding fit, and the sliding shoe 681 can slide in the sliding groove 691 in a reciprocating mode to form a sliding groove swinging mechanism; the turntable shaft 661 is driven to rotate, the piston 68 and the turntable 66 swing relatively around the cylindrical hinge, the sliding shoes 681 slide reciprocally in the sliding grooves 691, and two working chambers 100 with alternately changing volumes are formed between the upper end surface of the turntable 66, the two side surfaces of the piston 68 and the spherical inner chamber.

Claims (8)

1. The utility model provides a multi-functional electric toothbrush of automatically cleaning, characterized by: comprises a shell (2) which can be held by hand and a replaceable brush holder (3), wherein the brush head (301) at the upper end of the brush holder (3) is provided with brush hairs (303) and a toothpaste outlet (304); a connecting part (302) at the lower end of the brush handle (3) is inserted from an opening at the upper end of the shell (2) and then is inserted into an output shaft of a brush handle driving mechanism (4) arranged in the shell (2), and an opening at the lower end of the shell (2) is detachably connected with the toothpaste box (1); the toothpaste brush is characterized in that a micro air pump (5), a micro spherical pump (6), a power supply (7), a control panel (8) and a foam generator (9) are further arranged in the shell (2), the outlet of the micro spherical pump (6) and the outlet of the micro air pump (5) are respectively communicated with the foam generator (9) through hoses, the outlet of the foam generator (9) is communicated with a toothpaste channel (305) arranged on the brush handle (3) through a connecting pipe (901), the toothpaste channel (305) is communicated with a toothpaste outlet (304), a liquid inlet of the micro spherical pump (6) is connected with the upper end of a liquid suction pipe (601), and the lower end of the liquid suction pipe (601) is inserted into the toothpaste box (1); the inlet of the micro air pump (5) sucks air from the outside of the shell (2) through an air suction pipe (501); the power supply (7) respectively supplies power to the miniature spherical pump (6), the miniature air pump (5), the brush holder driving mechanism (4) and the control panel (8), the control panel (8) is used for controlling the miniature spherical pump (6), the miniature air pump (5) and the brush holder driving mechanism (4) to act, and the shell (2) is provided with an operation panel (801) which is electrically connected with the control panel (8).

2. The self-cleaning multifunctional electric toothbrush of claim 1, wherein: the toothpaste box (1) is detachably connected with the lower end of the shell (2) in a threaded or buckled connection mode, a sealing block (201) is arranged at the joint of the toothpaste box (1) and the shell (2), and the lower end of the liquid suction pipe (601) penetrates through the sealing block (201) and then is inserted into the toothpaste box (1) to suck toothpaste.

3. The self-cleaning multifunctional electric toothbrush of claim 1, wherein: brush holder actuating mechanism (4) include motor and drive mechanism, and drive mechanism's output shaft is connected with connecting portion (302) of brush holder (3) lower extreme, produces the vibration through motor drive mechanism to the drive brush holder lasts the vibration.

4. The self-cleaning multifunctional electric toothbrush of claim 1, wherein: the miniature spherical pump (6) and the brush holder driving mechanism (4) share one motor or are respectively connected with one motor; the micro air pump (5) is provided with a micro motor.

5. The self-cleaning multifunctional electric toothbrush of claim 1, wherein: the miniature air pump (5) and the brush holder driving mechanism (4) share one motor or are respectively connected with one motor; the miniature spherical pump (6) is provided with a miniature motor.

6. A self-cleaning multifunctional electric toothbrush as claimed in claim 1, wherein: one or more control buttons of toothpaste squeezing, automatic tooth brushing, single air blowing and self cleaning are arranged on the operation panel (801).

7. The self-cleaning multifunctional electric toothbrush of claim 1, wherein: the toothpaste box is characterized by further comprising a water storage box, the water storage box is used for replacing the toothpaste box (1), the water storage box is connected with the lower end of the shell (2) through threads or a buckle, and the lower end of the liquid suction pipe (601) is inserted into the water storage box to suck water.

8. The self-cleaning multifunctional electric toothbrush of claim 1, wherein: a plug (202) is arranged at an opening at the lower end of the shell (2) and used for replacing the toothpaste box (1), the plug (202) is connected with the lower end of the shell (2) through threads or a buckle, and the lower end of the pipette (601) penetrates through a central through hole of the plug (202) and extends out of the shell (2).

Images