CN217828141U - Multifunctional electric toothbrush - Google Patents

Abstract

The patent discloses a multifunctional electric toothbrush, which comprises a shell capable of being held by hand and a replaceable brush handle, wherein brush bristles and a water spray hole are arranged on a brush head at the upper end of the brush handle; a brush handle driving mechanism, a spherical pump, a control panel and a power supply are arranged in the shell, a liquid inlet of the spherical pump absorbs water/air through a water inlet pipe, a liquid outlet of the spherical pump is communicated with a water channel arranged on the brush handle through a water outlet pipe, and the water channel is communicated with a water spraying hole; the power supply respectively supplies power to the spherical pump, the brush handle driving mechanism and the control panel, the control panel is used for controlling the spherical pump and the brush handle driving mechanism to act, and the shell is provided with an operation panel electrically connected with the control panel; the advantages are that: the volume is small and the weight is light; the electric toothbrush integrates electric toothbrush and water/air spraying cleaning, and can deeply clean oral cavity, interdental space and gum; high-frequency pulse can be realized, and the flushing effect is good.

Description

Multifunctional electric toothbrush

Technical Field

The patent relates to a device for cleaning teeth in a mouth cavity, in particular to a multifunctional electric toothbrush.

Background

The electric toothbrush can improve the tooth brushing efficiency and the tooth brushing cleanliness, brings great convenience to the daily life of people, and is gradually favored by consumers; the popularity of electric toothbrushes is also increasing. However, the electric toothbrush mainly removes dirt on the surface of teeth, because the brush bristles of the toothbrush have limited contact positions, the dirt and bacteria in deep layers such as oral cavities, tooth gaps, gum and the like cannot be completely removed, a cup is needed to be used for washing the oral cavity with water in the process of brushing teeth, the toothbrush needs to be manually cleaned after being used, the operation process is complicated, and the user experience of the electric toothbrush is influenced.

At present, although an electric toothbrush with an automatic flushing or automatic toothpaste squeezing function is disclosed in the patent, no commodity for users to purchase is available on the market, and the main reason is that the existing micro pump for sucking liquid toothpaste or water is large in size, so that the electric toothbrush is large in size, inconvenient to hold and carry, high in operation noise and poor in user experience, and therefore, the electric toothbrush cannot be used on the market at present.

The spherical pump technology is a new-invented variable-capacity power mechanism, and has several Chinese patents, the Chinese patent number is 201610243847.1 and the patent name is "spherical compressor", and it is a typical structure of spherical pump, and said spherical pump has the advantages of small number of pump parts, reliable sealing, no liquid inlet and outlet valve, convenient ultramicro design, high-speed operation and low noise, and at present, various applications of spherical pump are continuously researched and developed.

Disclosure of Invention

The multifunctional electric toothbrush is designed by utilizing the latest spherical pump technology and carrying out miniaturization design, has a simple structure and small volume, is multifunctional, can deeply clean oral cavities, teeth, slits between teeth and gum, and realizes integration of tooth brushing and flushing.

The technical scheme of this patent is: a multifunctional electric toothbrush comprises a shell which can be held by hand and a replaceable brush handle, wherein brush bristles and a water spraying hole 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; a spherical pump, a control panel and a power supply are also arranged in the shell, the liquid inlet of the spherical pump is connected with one end of a water inlet pipe, the other end of the water inlet pipe is connected with a water source or an air source, the liquid outlet of the spherical pump is communicated with a water channel arranged on the brush handle through a water outlet pipe, and the water channel is communicated with the water spray hole; the power supply respectively supplies power to the spherical pump, the brush handle driving mechanism and the control panel, the control panel is used for controlling the spherical 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, an air inlet valve is connected to a water inlet pipe of the spherical pump through a tee joint, the lower end of the water inlet pipe is connected with a water source, and the water inlet pipe simultaneously sucks water and air;

furthermore, a water storage cup is arranged at the lower end of the shell, the water storage cup 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 water storage cup and the shell, and the lower end of the water inlet pipe penetrates through the sealing block and then is arranged in the water storage cup;

furthermore, an air inlet valve is connected to a water inlet pipe of the spherical pump through a tee joint, and the air inlet valve is connected with an air inlet pipe to suck air from the outer shell or the water storage cup; or a one-way air inlet valve is arranged on the side wall above the water surface of the water storage cup, and the air inlet valve is arranged above the water surface in the water storage cup to suck air from the water storage cup;

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 spherical pump and the brush holder driving mechanism share one motor or are respectively connected with one motor;

furthermore, one or more control keys in full-automatic tooth brushing, water spraying, tooth brushing water spraying, air spraying, gas-liquid mixing spraying and self-cleaning are arranged on the operation panel;

furthermore, the brush head at the upper end of the brush handle is replaced by a nozzle, and a water channel in the brush handle is communicated with the nozzle;

further, the spherical pump is a micro spherical pump, and the diameter of a spherical inner cavity of the micro spherical pump is not more than 8 mm.

The advantage of this patent is:

1) The multifunctional electric toothbrush integrates electric tooth brushing and water/air spraying cleaning, can deeply clean oral cavities, slits between teeth and gum parts, does not need to be cleaned by water in a cup, and has good cleaning effect; meanwhile, the working medium of the spherical pump can be liquid, gas or a gas-liquid mixture, so that the spherical pump can generate high-pressure liquid, high-pressure gas or a gas-liquid mixture, the spherical pump can be flexibly selected in multiple modes, deep washing and cleaning of oral cavities, teeth gaps, gum and the like are carried out, the toothbrush is automatically cleaned by spraying water after tooth brushing, and the water on the toothbrush can be dried by using gas after cleaning; the use is convenient, and the automation degree is high;

2) The spherical pump has no liquid inlet valve and liquid outlet valve, realizes liquid suction and liquid discharge by rotating the rotor to a certain position, has few parts and simple structure, has small volume and light weight, simultaneously adopts surface sealing for sealing between the rotor and the stator, has good sealing effect and can realize high pressure; the reliable sealing design can be realized when the pump volume is small, so that the ultra-miniaturized design is convenient to carry out; therefore, the electric toothbrush handle driving system and the micro-pump water spraying system can be comprehensively arranged in the shell suitable for being held by hand, so that the multifunctional electric toothbrush based on the spherical pump has small volume, accords with the use habit of people, and is convenient to use and carry in daily life;

3) The spherical pump is a rotor pump, the rotor is driven by the motor to rotate, and the noise is low relative to a reciprocating pump, so that the multifunctional electric toothbrush is low in noise and comfortable to use;

4) The spherical pump is a valveless rotor type pump, can realize high-speed rotation, has high pulse when the multifunctional electric toothbrush based on the spherical pump sprays water, has good flushing effect, is comfortable in oral cavity, and has good experience feeling, which is an unexpected technical effect relative to other pumps. The reason for the analysis is as follows: the water jet with high pulse has good effect on removing residual food between teeth; the existing plunger pump can realize high pulse by increasing the rotating speed, but the plunger pump is provided with a liquid inlet valve and a liquid outlet valve, the opening and closing response speed of the valves is limited, so the rotating speed increasing space is limited, and the highest rotating speed is 3000 r/min at present. The spherical pump is of a main shaft rotating structure, high-speed operation can be realized, the rotating speed can reach more than 10000 revolutions per minute, and because the liquid suction and the liquid discharge can generate certain pulsation, the spherical pump can generate very high-frequency pulse when in high-speed operation, so that the water spraying effect of the spherical pump is better than that of other pumps; because the pulse vibration is provided to enhance the flushing effect, the pressure can be properly reduced, the mouth cavity and the gum of a user do not feel uncomfortable in use, and the user experience is improved.

Drawings

FIG. 1: the structure of the first embodiment of the electric toothbrush is schematic;

FIG. 2 is a schematic diagram: 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 third embodiment of the electric toothbrush in the patent has a schematic structure;

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 is a schematic view of: a front view of the cylinder cover;

FIG. 8: FIG. 7 is a sectional view taken along line B-B;

FIG. 9: a top view of the cylinder head;

FIG. 10: a schematic structural diagram of a chute rotating sleeve;

FIG. 11: FIG. 10 is a cross-sectional view taken along line C-C;

FIG. 12: a front view of the cylinder body;

FIG. 13 is a schematic view of: a top view of the cylinder;

FIG. 14 is a schematic view of: a schematic perspective structure of the piston;

FIG. 15: the three-dimensional structure of the turntable is schematically shown.

In the figure: 1-water storage cup; 2-a housing; 201-an operation panel; 202-sealing block; 203-plug; 204-an air inlet valve; 205-an intake pipe; 3-brush handle; 301-a brush head; 302-a connecting portion; 303-bristles; 304-water jet holes; 305-a water channel; 4-a transmission mechanism; 5, a motor; 6-a ball pump; 601-water inlet pipe; 602-a water outlet pipe; 7-a power supply; 701-a charging module; 702-a charging socket; 8-control panel; 9-a pipe storage chamber;

61-a cylinder cover; 611-liquid inlet; 612-liquid drain; 613-liquid inlet tank; 614-drain tank; 615-sleeve hole rotation; 62-chute rotating sleeve; 621-a chute; 622-fabrication holes; 623-a process tank; 63-a piston; 631-a slipper; 632-piston sphere; 633-piston pin boss; 64-a turntable; 641-turntable shaft; 642-turntable sphere; 643 — carousel pin boss; 65-cylinder body; 651-rotating disc shaft hole; 66-a bearing sleeve; 67-sealing ring; 68-a resilient washer; 69-screw; 1001-first working chamber; 1002-second working chamber.

Detailed Description

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

Referring to fig. 1 and 2, in a first embodiment of the multi-functional electric toothbrush, the multi-functional electric toothbrush comprises a housing 2, a handle 3, and a water storage cup 1, wherein bristles 303 and water spray holes 304 are arranged on a brush head 301 at the upper end of the handle 3, a water channel 305 is arranged inside the handle 3, and the water spray holes 304 are communicated with the water 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 an output shaft of a brush holder driving mechanism 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 for driving the brush holder 2 to vibrate automatically is arranged in the shell 2, the brush holder driving mechanism comprises a motor 5 and a transmission mechanism 4 connected with an output shaft of the motor 5, the output shaft of the transmission mechanism 4 is connected with a connecting part 302 at the lower end of the brush holder 3 in a quick insertion mode, and the transmission mechanism 4 is used for converting energy output by the motor 5 into kinetic energy for continuous vibration of the brush holder, so that the automatic tooth brushing function is realized.

The shell 2 is also internally provided with a spherical pump 6, a control panel 8 and a power supply 7, the shell 2 is provided with an operation panel 201 electrically connected with the control panel 8, and the operation panel 201 is provided with a plurality of operation keys; the water storage cup 1 is arranged at the lower end of the shell 2, the water storage cup 1 is detachable and is connected with the lower end of the shell 2 in a threaded or buckled connection mode, a sealing block 202 is arranged at the joint of the shell 2 and the water storage cup 1, and the lower end of the water inlet pipe 601 penetrates through the sealing block 202 and then extends into the water storage cup 1; in order to prevent negative pressure from being formed in the water storage cup 1 after the water inlet pipe 601 pumps water from the water storage cup 1, a one-way air inlet valve can be arranged on the side wall of the upper part of the water surface of the water storage cup 1, and a small amount of air can enter the one-way air inlet valve to maintain pressure balance; the liquid inlet 611 of the spherical pump 6 is connected with the water storage cup 1 through the water inlet pipe 601 to absorb water from the water storage cup 1, and the liquid outlet 612 of the spherical pump 6 is communicated with the water channel 305 arranged on the brush handle 3 through the water outlet pipe 602; in this embodiment, the motor for driving the spherical pump 6 to operate and the motor for driving the brush holder driving mechanism are the same motor 5, the motor 5 can be a double-output-shaft motor, one shaft is connected with the input shaft of the transmission mechanism 4 to transmit energy, and the other shaft is connected with the input shaft of the spherical pump 6 to drive the spherical pump 6 to operate; the two output shafts of the motor 5 can be driven separately or simultaneously, which can be realized by the motor structure and the control program in the control board 8. The motor 5 can also adopt other motor connection modes according to different driving modes of the brush holder driving mechanism and the spherical pump; it can also be arranged in a practical structure in the shell, and the spherical pump 6 and the brush handle driving mechanism are respectively driven by different motors.

The power supply 7 respectively supplies power to the spherical pump 6, the motor 5 and the control board 8, and 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; control panel 8 is connected with spherical pump driving motor, brush holder actuating mechanism motor 4 and operating panel 201 electricity respectively for control spherical pump 6, the action of brush holder actuating mechanism, and carry out motion control to electric toothbrush through operating panel 201 be provided with multiple control button such as full-automatic brushing teeth, brush teeth, water spray, the water spray of brushing teeth, automatically cleaning on the operating panel 201, the solitary electric toothbrush function of brushing teeth can be realized to this embodiment, also can realize alone that the water spray washes the function in oral cavity, also can realize brushing teeth simultaneously and the function of water spray, and the user can select according to the needs of difference. The full-automatic tooth brushing is a continuous working procedure of tooth brushing, oral cavity cleaning by water spraying and toothbrush cleaning by water spraying; the self-cleaning is to clean the brush head part of the toothbrush by spraying water.

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, an air inlet valve 204 is connected to the water inlet pipe 601 of the spherical pump 6 through a tee joint, the water inlet pipe 601 sucks air through the air inlet valve 204, the spherical pump 6 sucks and discharges an air-liquid mixture to meet the requirement of flushing through the air-liquid mixture, and other structures are the same as those of the first embodiment. In the second embodiment, the air inlet valve 204 can be arranged in the housing 2 or in the water storage cup 1, the air inlet valve 204 is connected with the air inlet pipe 205, and the air inlet pipe 205 sucks air from the outside of the housing 2 or the water storage cup 1 after penetrating through the side wall of the housing 2 or the side wall of the water storage cup 1; the air inlet valve 204 can also be arranged at the upper part of the water surface in the water storage cup 1, and the side wall of the upper part of the water surface of the water storage cup 1 is provided with the one-way air inlet valve to keep enough air in the water storage cup 1, so that the air inlet valve 204 directly sucks air at the upper part of the water surface of the water storage cup 1. The air inlet valve 204 is an air valve capable of adjusting the air inflow so as to control the flow of the air entering the water inlet pipe 601; the gas-liquid mixture has certain impact force, and the flushing effect is also good.

Fig. 4 is a schematic view showing a structure of a multi-functional electric toothbrush according to a third embodiment of the present patent, wherein the third embodiment is different from the first embodiment in that: in the third embodiment, the water storage cup 1 is not provided at the lower end of the housing 2, and the water inlet pipe 601 of the ball pump 6 is directly sucked after protruding from the lower end of the housing 2 or is connected to a water source through the water inlet pipe 601 to suck water from a temporary water container or directly connects the water inlet pipe 601 to a water tap to suck water. If the water inlet pipe 601 is connected with a water source, the multifunctional electric toothbrush has the functions of automatic tooth brushing and flushing cleaning, and if the water inlet pipe 601 directly sucks air, the multifunctional electric toothbrush has the functions of tooth brushing and air blowing cleaning. Of course, an air inlet valve may be connected to the water inlet pipeline of the water inlet pipe 601 through a tee joint to achieve simultaneous water and air suction and increase the water mist mixing and cleaning functions, and other structures are the same as those of the first embodiment. In the third embodiment, a plug 203 is arranged at the lower end of the housing 2, the plug 203 is connected with the lower end of the housing 2 through threads, the sealing block 202 is arranged between the plug 203 and the housing 2, and the lower end of the water inlet pipe 601 extends out after penetrating through the sealing block 202 and the plug 203. The joint of the water inlet pipe 601, the shell 2, the sealing block 202 and the plug 203 can be a hard pipe, the hard pipe part on the water inlet pipe 601 is provided with a thread, and the water inlet pipe 601 is fixed on the plug 203 through a nut; the portion of inlet tube 601 extending beyond plug 203 may be provided with a hose for easy connection to a faucet or other water source. The water inlet pipe 601 of the third embodiment directly extends out of the shell, can be flexibly connected with a water source or directly sucks air, and is used for cleaning the oral cavity or drying and blowing the toothbrush after brushing teeth, and also can be used for spraying water or blowing air to clean the oral cavity. For convenience of carrying and use, in this embodiment, a receiving space is formed between the plug 203 and the sealing block 202 as a pipe receiving chamber 9, and the pipe receiving chamber 9 is used for receiving a hose connected to a water source (a portion of the water inlet pipe 601 extending out of the housing 2).

As an extension of the application of this patent, the replaceable brush holder 3 can be deformed by deforming the upper end of the brush head 301 into a smooth nozzle, the nozzle is arranged at the end of the nozzle and connected to the water channel 305 in the brush holder 3, so that the brush holder 3 is deformed into a water floss nozzle, the single water spraying function is arranged in the control panel 8, and the brush holder driving system does not act at this time, thereby realizing the function of single water floss, and cleaning the oral cavity by using the water floss.

The structure of the ball pump 6 is shown in fig. 5-15. The power input shaft of the spherical pump 6 is rigidly connected with the output shaft of the motor 5 through a connecting rod, in order to save space, the spherical pump 6 and the brush holder driving mechanism share one motor 5, and a linear shaft head at the end part of the output shaft of the motor 5 connected with the spherical pump 6 is directly inserted into a linear key groove at the end part of the turntable shaft 641 of the spherical pump 6 to transmit power, so as to directly drive the rotor of the spherical pump 6 to rotate.

As shown in fig. 5 and 6, the spherical pump 6 used in this patent is a micro spherical pump, and the spherical pump 6 includes a cylinder cover 61, a chute rotating sleeve 62, a piston 63, a rotating disc 64 and a cylinder body 65, the cylinder body 65 and the cylinder cover 61 have hemispherical inner cavities, and the cylinder body 65 and the cylinder cover 61 are fixedly connected to form a spherical inner cavity; the spherical pump with the diameter of the spherical inner cavity of the spherical pump 6 being not more than 15 mm is commonly called a micro spherical pump in the industry; the diameter of the spherical cavity of the spherical pump 6 generally selected in the patent is not more than 8 mm.

As shown in fig. 7-9, a semi-spherical inner cavity of the cylinder cover 61 is provided with a sleeve hole 615, a liquid inlet groove 613 and a liquid outlet groove 614, the outer wall of the cylinder cover 61 is provided with a liquid inlet 611 and a liquid outlet 612, the liquid inlet 611 is communicated with the liquid inlet groove 613, and the liquid outlet 612 is communicated with the liquid outlet groove 614; the rotary sleeve hole 615 is arranged in the spherical center of the hemispherical inner cavity, and the axis of the rotary sleeve hole 615 is perpendicular to the end face of the hemispherical inner cavity of the cylinder cover.

As shown in fig. 12 and 13, a turntable shaft hole 651 for communicating with the outside of the cylinder is provided on the spherical surface of the hemispherical inner cavity of the cylinder block 65, and the axis of the turntable shaft hole 651 forms an angle α with the end surface of the hemispherical inner cavity of the cylinder block. The magnitude of a is related to the displacement of the ball pump 6. The cylinder 65 and the cylinder cover 61 are fixedly connected by a screw 69, and the screw 69 is provided with an elastic washer 68 for preventing looseness. The end surfaces of the hemispherical cavities of the cylinder body 65 and the cylinder cover 61 are provided with matched positioning structures. The cylinder 65 and the cylinder cover 61 may also be ultrasonically welded or otherwise attached.

As shown in fig. 6 and 14, the piston 63 and the turntable 64 are hinged by a cylindrical hinge to form a rotor, the piston 63 has a spherical surface, two side surfaces forming a certain angle and piston pin bases at the lower parts of the two side surfaces, a sliding shoe 631 protrudes from the center of the spherical surface of the piston, a piston pin base 633 is arranged below the spherical surface 632 of the piston, the piston pin base 633 has a semi-cylindrical structure protruding from the two side surfaces, and two ends of the semi-cylindrical pin base are spherical surfaces; the working surfaces of the sliding shoes 631 are two parallel surfaces which are parallel to each other and symmetrically arranged on two sides of the semi-cylindrical axis of the piston pin seat 633; the axis of the semi-cylinder of piston pin seat 633 is parallel to the two parallel surfaces of slipper 631.

As shown in fig. 6 and 15, the upper end of the turntable 64 is a plane, a semi-cylindrical hole is recessed in the upper plane to form a turntable pin seat 643, a turntable shaft 641 protrudes from the center of the lower portion of the turntable 64, and a turntable spherical surface 642 is formed between the upper end surface of the turntable 64 and the lower turntable shaft 641; the turntable pin seat 643 is matched with the piston pin seat 633, and the semi-cylinder of the piston pin seat 633 is inserted into the semi-cylinder hole of the turntable pin seat 643 to form a C-shaped cylindrical hinge structure.

As shown in fig. 10 and 11, the outer shape of the sliding groove rotating sleeve 62 is a cylindrical shape, a sliding groove 621 is provided on the lower end surface of the cylindrical shape, the width of the sliding groove 621 matches the size of the distance between the two parallel surfaces of the sliding shoes 631, and the length of the sliding groove 621 is set to satisfy the length of the sliding shoes 631 sliding back and forth in the sliding groove 621 every time the turntable shaft 641 rotates once. The chute rotating sleeve 62 is arranged in the rotating sleeve hole 615 to form rotating fit, the lower end face of the chute rotating sleeve 62 sinks on the spherical inner surface, the chute rotating sleeve 62 and the rotating sleeve hole 615 are coaxial, the chute rotating sleeve 62 can freely rotate around the axis in the rotating sleeve hole 615, a process groove 623 is arranged on the upper end face of the chute rotating sleeve 62, and a through process hole 622 is formed between the bottom of the process groove 623 and the bottom of the chute 621, so that the assembly is convenient.

A bearing sleeve 66 and a sealing ring 67 are arranged on the matching surface of the turntable shaft 641 of the turntable 64 and the turntable shaft hole 651 on the cylinder body 65; a sealing ring 67 is provided between the upper end journal of the turntable shaft 641 and the upper inner cylindrical hole of the turntable shaft hole 651. A straight key groove is formed in the lower end surface of the turntable shaft 641 and is used for connecting with an output shaft of the motor 5 to transmit power.

The axial line of a rotating sleeve hole 615 on the inner spherical surface of the cylinder cover 61 and the axial line of a rotating disc shaft hole 651 on the cylinder body 65 both pass through the spherical center of the spherical inner cavity, and the included angle between the axial line of the rotating sleeve hole 615 and the axial line of the rotating disc shaft hole 651 is alpha; the piston and the turntable are connected through the cylindrical surface hinge and then are arranged in the spherical inner cavity, the piston spherical surface 632, the turntable spherical surface 642 and the spherical inner cavity have the same spherical center and form sealing movable fit, and sealing movable fit is formed among the matching surfaces of the cylindrical surface hinge; after assembly, the axis of the sliding-groove rotating sleeve 62 and the axis of the rotating-disc shaft 641 pass through the spherical center of the spherical inner cavity and form the same included angle α.

The sliding shoes 631 at the upper ends of the pistons 63 are placed in the sliding grooves 621 on the lower end surfaces of the sliding groove rotating sleeves 62, two parallel surfaces of the sliding shoes 631 are attached to two side surfaces of the sliding grooves 621 to form sliding fit, and the sliding shoes 631 can slide in a reciprocating manner in the sliding grooves 621 to form a sliding groove swinging mechanism; the turntable shaft 641 is driven to rotate, the piston 63 and the turntable 64 swing relatively around a cylindrical surface hinge, the sliding shoe 631 slides in the sliding groove 621 in a reciprocating manner, and a first working chamber 1001 and a second working chamber 1002 with alternating volume are formed among the upper end surface of the turntable 64, two side surfaces of the piston 63 and the spherical inner cavity; for every 360 degrees (one rotation) of the piston shaft, the first working chamber 1001 and the second working chamber 1002 perform liquid suction and liquid discharge once per working chamber; the liquid sucked in through the liquid inlet 611 enters the two working chambers through the liquid inlet groove 613 respectively, is pressurized and then is discharged through the liquid discharge groove 614 and the liquid discharge port 612, namely, the spherical pump performs liquid suction and liquid discharge twice, the liquid suction twice is separated by 180 degrees, and the liquid inlet twice is also separated by 180 degrees.

In this embodiment, the spherical pump 6 is a miniaturized structure, and the spherical diameter of the spherical inner cavity of the spherical pump 6 is 5 mm; the overall dimension of the pump body is: the diameter is 8-10 mm, and the length is 10-15 mm; the total weight of the spherical pump 6 is 15 g to 20 g. The ball pump 6 described in this patent is just a specific example application of the ultra-miniaturized ball pump, and other ball pumps of more specifications, which are not listed, can also be applied to this patent, and the formed technical solution is also within the protection scope of this patent.

Claims (10)

1. A multifunctional electric toothbrush is characterized in that: comprises a shell which can be held by hand and a replaceable brush holder, wherein brush hair and a water spray hole are arranged on a brush head at the upper end of the brush holder; 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 the output shaft of the brush handle driving mechanism arranged in the shell; a spherical pump, a control panel and a power supply are also arranged in the shell, a liquid inlet of the spherical pump is connected with one end of a water inlet pipe, the other end of the water inlet pipe is connected with a water source or an air source, a liquid outlet of the spherical pump is communicated with a water channel arranged on the brush handle through a water outlet pipe, and the water channel is communicated with a water spraying hole; the power supply respectively supplies power to the spherical pump, the brush handle driving mechanism and the control panel, the control panel is used for controlling the spherical pump and the brush handle driving mechanism to act, and the shell is provided with an operation panel electrically connected with the control panel.

2. The multi-functional electric toothbrush of claim 1, wherein: the water inlet pipe of the spherical pump is connected with an air inlet valve through a tee joint, the lower end of the water inlet pipe is connected with a water source, and the water inlet pipe sucks water and air simultaneously.

3. The multi-functional electric toothbrush of claim 1, wherein: the water storage cup is arranged at the lower end of the shell and is detachably connected with the lower end of the shell in a threaded or buckling connection mode, a sealing block is arranged at the joint of the water storage cup and the shell, and the lower end of the water inlet pipe penetrates through the sealing block and is arranged in the water storage cup.

4. A multi-functional electric toothbrush as claimed in claim 3, wherein: the water inlet pipe of the spherical pump is connected with an air inlet valve through a tee joint, and the air inlet valve is connected with an air inlet pipe to suck air from the outer shell or the water storage cup.

5. The multi-functional electric toothbrush of claim 3, wherein: the water inlet pipe of the spherical pump is connected with an air inlet valve through a tee joint, a one-way air inlet valve is arranged on the side wall above the water surface of the water storage cup, and the air inlet valve is arranged above the water surface in the water storage cup to suck air from the water storage cup.

6. A multi-functional electric toothbrush according to any one of claims 1 to 5, wherein: brush holder actuating mechanism includes motor and drive mechanism, and drive mechanism's output shaft is connected with the connecting portion of brush holder lower extreme, produces the vibration through motor drive mechanism to the drive brush holder lasts the vibration.

7. The multi-functional electric toothbrush according to any one of claims 1 to 5, wherein: the spherical pump and the brush holder driving mechanism share one motor or are respectively connected with one motor.

8. A multi-functional electric toothbrush according to any one of claims 1 to 5, wherein: the operation panel is provided with one or more control buttons of full-automatic tooth brushing, water spraying, tooth brushing water spraying, air spraying, gas-liquid mixing spraying and self cleaning.

9. A multi-functional electric toothbrush according to any one of claims 1 to 5, wherein: the brush head at the upper end of the brush handle is replaced by a nozzle, and a water channel in the brush handle is communicated with the nozzle.

10. A multi-functional electric toothbrush according to any one of claims 1 to 5, wherein: the spherical pump is a micro spherical pump, and the diameter of a spherical inner cavity of the micro spherical pump is not more than 8 mm.

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