CN213217805U

CN213217805U - Electric massage toothbrush

Info

Publication number: CN213217805U
Application number: CN202020833809.3U
Authority: CN
Inventors: 赵心武; 刘绍连; 路少伟
Original assignee: Wuxi Qinghe Xiaobei Technology Co ltd
Current assignee: Wuxi Qinghe Xiaobei Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-05-18
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses an electric massage toothbrush belongs to electric toothbrush technical field, include: the brush handle comprises a shell, and the brush hair and the spray holes are arranged on the brush head; one end of the brush neck is connected with the brush head, and the other end of the brush neck is connected with the shell; the first pipeline is arranged in the brush neck, and one end of the first pipeline is communicated with the jet hole; one end of the cylinder part is communicated with the first pipeline; the rod part is arranged in the cylinder part, and one end of the rod part is provided with a first tooth; the piston is fixedly arranged at the other end of the rod part, a second accommodating space is formed by the piston and one end of the cylinder part, and the second accommodating space is communicated with the first pipeline; the spring is sleeved on the periphery of the rod part, one end of the spring is fixed at the other end of the cylinder part, and the other end of the spring is arranged at the joint of the rod part and the piston; the first gear is arranged on the output shaft of the motor; the first gear and the second gear are in meshing transmission with the transmission device, the third gear comprises second teeth, and the second teeth are meshed with the first teeth, so that the technical effect of massaging the gum by using pulse gas in the process of brushing teeth is achieved.

Description

Electric massage toothbrush

Technical Field

The utility model relates to an electric toothbrush technical field, in particular to electric massage toothbrush.

Background

With the increasing living standard, the electric toothbrush gradually enters every family, and brings more comfortable and clean tooth brushing experience to people.

However, the present inventors have found that the above prior art has at least the following technical problems:

at present, the electric toothbrush on the market can only clean teeth and does not have a function of massaging gums.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric massage toothbrush has solved among the prior art electric toothbrush and has not had the technical problem of massage function at the in-process of brushing teeth, has reached and has utilized pulse gas to massage the gum at the in-process of brushing teeth, promotes user's the technical effect of the experience of brushing teeth.

In order to solve the above problem, an embodiment of the present invention provides an electric massage toothbrush, the toothbrush includes: the brush holder, the brush holder contains a casing, the casing has first accommodation space, first accommodation space includes: a first end, a second end, the first end being parallel to the second end; a brush head, the brush head comprising: the bristles are fixedly arranged on the brush head; the spraying holes are arranged on the brush head, and the spraying direction is the same as the direction of the bristles; the brush neck is connected with the brush head at one end and connected with the first end at the other end, the brush neck comprises a first pipeline, the first pipeline is arranged in the brush neck, and one end of the first pipeline is communicated with the jet hole; a piston assembly disposed in the first receiving space, the piston assembly including: the cylindrical part is fixedly arranged in the first accommodating space, and one end of the cylindrical part is communicated with the first pipeline; the rod part is arranged in the cylinder part, and one end of the rod part is provided with M first teeth; the piston is fixedly arranged at the other end of the rod part, a second accommodating space is formed by the piston and one end of the cylinder part, and the second accommodating space is communicated with the first pipeline; the spring is sleeved on the periphery of the rod part, one end of the spring is fixed to the other end of the cylinder part, and the other end of the spring is arranged at the joint of the rod part and the piston; the fixing plate is fixedly arranged in the first accommodating space; a motor fixedly disposed on the fixing plate, the motor including: an output shaft; the first gear is fixedly arranged on the output shaft; the transmission device is arranged in the first accommodating space, and the first gear is in meshing transmission with the transmission device; the second gear is in meshed transmission with the transmission device; and the second transmission shaft is arranged on the fixing plate, and the second gear is fixedly arranged on the second transmission shaft. A third gear fixed to the second drive shaft, the third gear comprising: n second teeth, the second teeth are arranged on the first circular arc, and the second teeth are meshed with the first teeth; wherein the first arc is arranged at the edge of the third gear, and the radian of the first arc is less than 90 degrees; m is N and M, N are all positive integers.

Preferably, the toothbrush further comprises: the water tank is fixedly arranged in the first accommodating space and positioned at the first end, liquid is contained in the water tank, and the water tank is communicated with the second accommodating space through a second pipeline; the extrusion device is arranged in the first accommodating space, and the second pipeline is arranged on the extrusion device; along with the rotation of the third gear, the liquid in the second pipeline is extruded into the second accommodating space by the extruding device.

Preferably, the transmission means comprises: the first transmission shaft is arranged on the fixing plate; the fourth gear is fixedly arranged at one end of the first transmission shaft and is meshed with the first gear; and the fifth gear is fixedly arranged at the other end of the first transmission shaft and is meshed with the second gear.

Preferably, the pressing device includes: the arc plate is fixedly arranged on the fixed plate and is concentric with the third gear; the first cylinder is fixedly arranged on the third gear; the second cylinder is fixedly arranged on the third gear, the first cylinder and the second cylinder are on a first diameter of a first circumference, and the first circumference is concentric with the circular arc plate; the second pipeline sleeve is arranged on the periphery of the first cylinder and the second cylinder, and is positioned on the same side of the third gear with the first cylinder and the second cylinder.

Preferably, the distance between the first circumference and the circular arc plate is a first distance P; the thickness of the pipe wall of the second pipeline is a first thickness Q; wherein, P is less than or equal to 2Q, and P, Q are positive numbers.

Preferably, the toothbrush further comprises: and the one-way valve is arranged at the joint of the second pipeline and the second accommodating space.

Preferably, the fixing plate comprises a first side and a second side, and the first side is parallel to the second side; wherein the first gear, the fourth gear are located on the first side; the second gear, the third gear, the fifth gear are located on the second side.

Preferably, the spray hole is provided at the center of the brush head.

Preferably, the piston is made of elastic rubber, and the outer diameter of the piston is matched with the inner diameter of the cylinder part.

Preferably, the brush head further comprises: a third pipe having one end communicating with the injection hole and the other end communicating with one end of the first pipe; wherein the first conduit has an inner diameter greater than an inner diameter of the third conduit.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, have following one or more technological effect at least:

the embodiment of the utility model provides an electronic massage toothbrush, the toothbrush includes the jet orifice setting brush overhead, and the direction of spraying direction and brush hair is the same, first pipeline intercommunication the jet orifice with the second accommodation space. The rotation of the motor drives the first gear to rotate, the first gear drives the transmission device to rotate, the transmission device drives the second gear to rotate, the second gear drives the third gear to rotate through the second transmission shaft, the first tooth is meshed with the second tooth along with the rotation of the third gear, the rod part is pulled out to the rear end of the cylinder part, the spring is compressed, elastic potential energy is accumulated, and meanwhile, gas enters the second accommodating space through the injection hole; with the continuous rotation of the third gear, the first tooth and the second tooth are meshed, the rod part is released, the piston is ejected out under the action of the elastic potential energy, the volume of the second accommodating space is sharply reduced, and the gas in the second accommodating space is ejected out of the ejection hole. The frequency of the gas sprayed by the piston assembly is equal to the rotating speed of the motor, so that the technical effects of massaging the gum by using pulse gas in the tooth brushing process and improving the tooth brushing experience of a user are achieved.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Fig. 1 is a schematic structural view of an electric massage toothbrush according to an embodiment of the present invention;

FIG. 2 is another schematic structural view of the electric massage toothbrush shown in FIG. 1;

fig. 3 is a left side view of the electric massage toothbrush shown in fig. 1;

fig. 4 is a right side view of the electric massage toothbrush shown in fig. 1;

fig. 5 is a bottom view of the electric massage toothbrush shown in fig. 1.

Description of reference numerals: a brush head 1; bristles 2; an injection hole 3; a housing 4; a first end 5; a second end 6; a brush neck 7; a first duct 8; a cylindrical portion 9; a rod portion 10; a piston 11; a first tooth 12; a spring 13; a fixed plate 14; a motor 15; a first gear 16; a second gear 17; a second drive shaft 18; a third gear 19; a second tooth 20; a water tank 21; a second conduit 22; a first transmission shaft 23; a fourth gear 24; a fifth gear 25; a circular arc plate 26; a first cylinder 27; a second cylinder 28; a third duct 29; a water outlet 30; a fourth duct 31.

Detailed Description

The embodiment of the utility model provides an electric massage toothbrush has solved among the prior art electric toothbrush and has not had the technical problem of massage function at the in-process of brushing teeth, has reached and has utilized pulse gas to massage the gum at the in-process of brushing teeth, promotes user's the technological effect of the experience of brushing teeth.

The embodiment of the utility model provides an in technical scheme, overall structure as follows:

an electric massage toothbrush comprising a handle including a housing, the housing having a first compartment, the first compartment comprising: a first end, a second end, the first end being parallel to the second end; a brush head, the brush head comprising: the bristles are fixedly arranged on the brush head; the spraying holes are arranged on the brush head, and the spraying direction is the same as the direction of the bristles; the brush neck is connected with the brush head at one end and connected with the first end at the other end, the brush neck comprises a first pipeline, the first pipeline is arranged in the brush neck, and one end of the first pipeline is communicated with the jet hole; a piston assembly disposed in the first receiving space, the piston assembly including: the cylindrical part is fixedly arranged in the first accommodating space, and one end of the cylindrical part is communicated with the first pipeline; the rod part is arranged in the cylinder part, and one end of the rod part is provided with M first teeth; the piston is fixedly arranged at the other end of the rod part, a second accommodating space is formed by the piston and one end of the cylinder part, and the second accommodating space is communicated with the first pipeline; the spring is sleeved on the periphery of the rod part, one end of the spring is fixed to the other end of the cylinder part, and the other end of the spring is arranged at the joint of the rod part and the piston; the fixing plate is fixedly arranged in the first accommodating space; a motor fixedly disposed on the fixing plate, the motor including: an output shaft; the first gear is fixedly arranged on the output shaft; the transmission device is arranged in the first accommodating space, and the first gear is in meshing transmission with the transmission device; the second gear is in meshed transmission with the transmission device; and the second transmission shaft is arranged on the fixing plate, and the second gear is fixedly arranged on the second transmission shaft. A third gear fixed to the second drive shaft, the third gear comprising: n second teeth, the second teeth are arranged on the first circular arc, and the second teeth are meshed with the first teeth; wherein the first arc is arranged at the edge of the third gear, and the radian of the first arc is less than 90 degrees; m is N and M, N are all positive integers. The technical problem of electric toothbrush do not have the massage function at the in-process of brushing teeth among the prior art is solved, reached and utilized pulse gas to massage the gum at the in-process of brushing teeth, promoted user's the technical effect of brushing teeth experience.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

The embodiment of the utility model provides an electronic massage toothbrush, please refer to fig. 1-5, the toothbrush includes:

the brush holder, the brush holder contains a casing 4, casing 4 has first accommodation space, first accommodation space includes: a first end 5, a second end 6, said first end 5 being parallel to said second end 6;

specifically, the user holds the handle to brush the teeth while brushing the teeth. Set up components and parts such as battery, motor, piston 11 subassembly, water tank 21, transmission in the first accommodation space, just first casing 4 has waterproof function, and waterproof grade is IPX7, reaches when avoiding brushing teeth liquid gets into damage in the casing 4 the technical effect of the inside components and parts of casing 4. The first containing space comprises two ends, namely a first end 5 and a second end 6, when the toothbrush is used for brushing teeth, the toothbrush handle is in a vertical state, and the first end 5 is positioned at the upper part of the second end 6.

Brush head 1, brush head 1 includes:

the bristles 2 are fixedly arranged on the brush head 1;

the spray holes 3 are arranged on the brush head 1, and the spray direction is the same as that of the bristles 2;

further, the injection hole 3 is provided at the center of the brush head 1.

Specifically, the brush head 1 is fixedly provided with bristles 2, and the injection holes 3 are arranged on the brush head 1 and are positioned in the center of the brush head 1. The spraying direction of the spraying holes 3 is the same as that of the brush hairs 2, and gas or gas-liquid mixture is sprayed outwards through the spraying holes 3 during tooth brushing. The number of the injection holes 3 may be one or two. A third pipeline 29 is further arranged in the brush head 1, and the third pipeline 29 is communicated with the jet hole 3.

The brush neck 7 is connected with the brush head 1 at one end and connected with the first end 5 at the other end, the brush neck 7 comprises a first pipeline 8, the first pipeline 8 is arranged in the brush neck 7, and one end of the first pipeline 8 is communicated with the jet hole 3;

particularly, brush neck 7 is connected brush head 1 and brush holder, in brush neck 7, follow brush neck 7 length direction is provided with first pipeline 8, first pipeline 8 with third pipeline 29 intercommunication, thereby reach with first pipeline 8 with the technical effect of jet orifice 3 intercommunication.

Further, the brush head 1 further comprises: a third pipe 29, one end of the third pipe 29 communicating with the injection hole 3, and the other end communicating with one end of the first pipe 8;

wherein the inner diameter of the first conduit 8 is larger than the inner diameter of the third conduit 29.

Specifically, the smaller the inner diameter of the pipe, the faster the flow rate, with the same flow rate of liquid or gas. The inner diameter of the first pipeline 8 is larger than that of the third pipeline 29, so that the technical effects of increasing the flow speed in the third pipeline 29, increasing the jet pressure and improving the pulse massage effect are achieved.

A piston assembly disposed in the first receiving space, the piston assembly including:

a cylinder 9, wherein the cylinder 9 is fixedly arranged in the first accommodating space, and one end of the cylinder 9 is communicated with the first pipeline 8;

a rod part 10, wherein the rod part 10 is arranged in the cylinder part 9, and one end of the rod part 10 is provided with M first teeth 12;

the piston 11 is fixedly arranged at the other end of the rod part 10, a second accommodating space is formed between the piston 11 and one end of the cylinder part 9, and the second accommodating space is communicated with the first pipeline 8;

the spring 13 is sleeved on the periphery of the rod part 10, one end of the spring 13 is fixed at the other end of the cylinder part 9, and the other end of the spring 13 is arranged at the joint of the rod part 10 and the piston 11;

further, the piston 11 is made of elastic rubber, and the outer diameter of the piston 11 is matched with the inner diameter of the cylinder part 9.

Specifically, the piston 11 assembly mainly includes a cylinder 9, a rod 10, a piston 11 and a spring 13, and a nozzle is disposed at the front end of the rod 10 and is communicated with the first pipe 8. One end of the rod part 10 is fixedly provided with the piston 11, and the piston 11 and the front end of the cylinder part 9 form a second accommodating space. The piston 11 is made of elastic rubber, the outer diameter of the piston 11 is matched with the inner diameter of the cylinder part 9, and the piston 11 seals the cylinder part 9, so that the technical effect that the gas in the second accommodating space is sealed in the second accommodating space is achieved. When the rod part 10 is pulled out to the rear end of the cylinder part 9, the piston 11 slides along the cylinder part 9, the second accommodating space is enlarged, and air enters the second accommodating space through the injection hole 3, the third pipeline 29, the first pipeline 8 and the nozzle; the rod 10 is pushed toward the front end of the cylinder 9, the second accommodating space becomes small, and the air in the second accommodating space is ejected from the ejection hole 3 through the nozzle, the first duct 8, and the third duct 29. One end of the spring 13 is fixed to the rear end of the cylinder 9, and the other end is provided at the joint between the rod 10 and the piston 11. When the rod part 10 is pulled out to the rear end of the cylinder part 9, the spring 13 is compressed, elastic potential energy is gathered, and meanwhile, gas enters the second accommodating space through the injection hole 3; after the rod 10 is released, the piston 11 is ejected under the action of the elastic potential energy, the volume of the second accommodating space is sharply reduced, and the gas in the second accommodating space is ejected from the ejection hole 3.

The fixing plate 14 is fixedly arranged in the first accommodating space;

a motor 15, wherein the motor 15 is fixedly arranged on the fixing plate 14, and the motor 15 comprises:

an output shaft;

a first gear 16, the first gear 16 being fixedly arranged on the output shaft;

specifically, the battery is fixedly disposed in the first accommodating space, the motor 15 is electrically connected to the battery, and the battery provides electric energy for the operation of the motor 15. The motor 15 outputs power through the output shaft, the first gear 16 is fixedly arranged on the output shaft, and the rotation of the motor 15 drives the output shaft to rotate, so that the first gear 16 is driven to rotate.

The transmission device is arranged in the first accommodating space, and the first gear 16 is in meshing transmission with the transmission device;

further, the transmission device includes:

a first transmission shaft 23, the first transmission shaft 23 being provided on the fixed plate 14;

a fourth gear 24, wherein the fourth gear 24 is fixedly arranged at one end of the first transmission shaft 23, and the fourth gear 24 is meshed with the first gear 16;

and a fifth gear 25, wherein the fifth gear 25 is fixedly arranged at the other end of the first transmission shaft 23 and is meshed with the second gear 17.

Specifically, the transmission device mainly includes the first transmission shaft 23, the fourth gear 24, and the fifth gear 25, the fourth gear 24 and the fifth gear 25 are respectively provided at both ends of the first transmission shaft 23, and the outer diameter of the fourth gear 24 is larger than that of the fifth gear 25. The fourth gear 24 is meshed with the first gear 16, the rotation of the first gear 16 drives the fourth gear 24 to rotate, the rotation of the fourth gear 24 drives the first transmission shaft 23 to rotate, so as to drive the fifth gear 25 to rotate, the technical effect that the kinetic energy of the motor 15 is transmitted to the fifth gear 25 is achieved, the kinetic energy of the motor is transmitted to the other side from one side of the fixing plate 14, and the technical effect that the layout between elements is more compact is achieved.

A second gear 17, wherein the second gear 17 is in meshing transmission with the transmission device;

a second transmission shaft 18, wherein the second transmission shaft 18 is disposed on the fixing plate 14, and the second gear 17 is fixedly disposed on the second transmission shaft 18.

A third gear 19, said third gear 19 being fixed to said second transmission shaft 18, said third gear 19 comprising:

a number N of second teeth 20, said second teeth 20 being arranged on a first circular arc, said third teeth being in mesh with said first teeth 12; wherein the first arc is arranged at the edge of the third gear 19, the radian of the first arc being smaller than 90 °;

m is N and M, N are all positive integers.

Specifically, the second gear 17 and the third gear 19 are both fixedly disposed on the second transmission shaft 18, the third gear 19 is disposed on the inner side of the second gear 17, the fifth gear 25 drives the second gear 17 to rotate, the second gear 17 drives the second transmission shaft 18 to rotate, the second transmission shaft 18 drives the third gear 19 to rotate, and therefore the technical effect of transmitting the kinetic energy of the motor to the third gear 19 is achieved. The first arc of the third gear 19 is evenly provided with N second teeth 20, and the second teeth 20 can be meshed with the first teeth 12. The second tooth 20 at one end of the first arc is a first end tooth which is first engaged with the first tooth 12 as the third gear 19 rotates. One end of the rod part 10 is uniformly provided with M first teeth 12, and the first teeth 12 positioned at the outermost end of the rod part 10 are second end teeth. The first end teeth may engage with the second end teeth when the spring 13 is in a natural elongation state.

As the third gear 19 rotates, the first end teeth are engaged with the second end teeth, and in the process that the third gear 19 continues to rotate, the N second teeth 20 are gradually engaged with the M first teeth 12, the rod 10 is pulled out, the spring 13 is gradually compressed, elastic potential energy is accumulated, the second accommodating space is gradually increased, and air enters the second accommodating space from the injection hole 3. With the continuous rotation of the third gear 19, the second tooth 20 and the first tooth 12 are engaged, the rod 10 is released, the piston 11 is ejected under the action of the elastic potential energy, the volume of the second accommodating space is sharply reduced, and the gas in the second accommodating space is ejected from the ejection hole 3 to form a pulse gas. With the continuous rotation of the third gear 19, the pulse gas is ejected from the ejection holes 3 at the first frequency, so as to achieve the technical effect of massaging the gums. The first frequency is equal to the rotational speed of the third gear 19, i.e. if the rotational speed of the third gear 19 is P revolutions per minute, the first frequency is P times per minute, where P is a positive integer.

Further, the toothbrush further comprises: the water tank 21 is fixedly arranged in the first accommodating space and is positioned at the first end 5, liquid is contained in the water tank 21, and the water tank 21 is communicated with the second accommodating space through a second pipeline 22;

specifically, one end of the water tank 21 is disposed at the first end 5, and the other end is disposed with a water outlet 30, and the water outlet 30 is communicated with one end of the second pipeline 22. When the user brushes his/her teeth, the water outlet 30 is located at the bottom of the water tank 21, and the water in the water tank 21 enters the second pipe 22 through the water outlet 30 by gravity.

An extruding device disposed in the first accommodating space, the second pipe 22 being disposed on the extruding device; with the rotation of the third gear 19, the squeezing device squeezes the liquid in the second pipeline 22 into the second accommodating space.

Further, the pressing device includes: the arc plate 26 is fixedly arranged on the fixed plate 14, and is concentric with the third gear 19;

a first cylinder 27, said first cylinder 27 being fixedly arranged on said third gear wheel 19;

the second cylinder 28 is fixedly arranged on the third gear 19, the first cylinder 27 and the second cylinder 28 are on a first diameter of a first circumference, and the first circumference is concentric with the circular arc plate 26;

the second pipe 22 is sleeved on the peripheries of the first cylinder 27 and the second cylinder 28, and is located on the same side of the third gear 19 as the first cylinder 27 and the second cylinder 28.

Specifically, the first cylinder 27, the second cylinder 28, and the second duct 22 are disposed on the same side of the third gear 19, the arc plate 26 is fixedly disposed on the fixed plate 14, and a third accommodating space is formed between the inner side of the arc plate 26 and the first side surface of the fixed plate 14. The second pipeline 22 follows the one end of circular arc board 26 gets into the third accommodation space, the cover is established first cylinder 27 behind the outside of second cylinder 28, follow another end play of circular arc board 26 the third accommodation space, just the second pipeline 22 is in the part of third accommodation space is fourth pipeline 31, the shape of fourth pipeline 31 is the second circular arc, the second circular arc with the centre of a circle of circular arc board 26 is the same.

With the rotation of the third gear 19, when neither the first cylinder 27 nor the second cylinder 28 is located at the opening of the circular arc plate 26, the water in the fourth pipe 31 is squeezed by the first cylinder 27 and/or the second cylinder 28 from one end of the fourth pipe 31 to the other end of the fourth pipe 31, so that the water in the fourth pipe 31 is squeezed into the second accommodating space. When the first cylinder 27 or the second cylinder 28 is located at the opening, the water in the water tank 21 flows into the fourth pipe 31 through the second pipe 22.

Further, the distance between the first circumference and the circular arc plate 26 is a first distance P;

the second conduit 22 has a wall thickness of a first thickness Q;

wherein, P is less than or equal to 2Q, and P, Q are positive numbers.

Specifically, the second pipe 22 is made of an elastic material, and when the first cylinder 27 and the second cylinder 28 are not located at the opening of the arc plate 26, under the extrusion of the first cylinder 27 and/or the second cylinder 28, the water in the fourth pipe 31 can only flow along the direction of the rotation of the third gear 19, so as to achieve the technical effect of extruding the water in the fourth pipe 31 into the second accommodating space.

Further, the first cylinder 27 matches the position of the first end tooth.

Specifically, when the first end tooth starts to engage with the second end tooth, the squeezing device starts to squeeze the water in the fourth pipeline 31 into the second accommodating space; in the process that the first teeth 12 are engaged with the second teeth 20, water in the fourth pipeline 31 continuously enters the second accommodating space in a pressure accumulating manner, and air enters the accommodating space through the injection holes 3; with the rotation of the third gear 19, when the first tooth 12 and the second tooth 20 are engaged, the piston 11 is ejected by the spring 13, and the air and water in the second accommodating space are ejected from the ejection holes 3 at the same time, so as to achieve the technical effects of massaging the gums, washing away stains brushed by the toothbrush, and further cleaning the teeth.

Further, the toothbrush further comprises: and a check valve disposed at a junction of the second pipe 22 and the second accommodating space.

Specifically, the second pipeline 22 and the junction of second accommodation space set up the check valve, when reaching the injection, avoid gas, the liquid in the second accommodation space leads to and enters second pipeline 22 improves the technological effect who sprays.

Further, the fixing plate 14 includes a first side surface and a second side surface, and the first side surface is parallel to the second side surface;

wherein the first gear 16 and the fourth gear 24 are on the same side of the first side surface; the second gear 17, the third gear 19, and the fifth gear 25 are on the same side as the second side surface.

Specifically, as shown in fig. 5, the first gear 16 and the fourth gear 24 are disposed on one side of the fixing plate 14, and the second gear 17, the third gear 19 and the fifth gear 25 are disposed on the other side of the fixing plate 14, so that the structures between the components are more compact, and the technical effect of reducing the volume of the brush holder is achieved.

Through the electric massage toothbrush in this embodiment, the technical problem that the electric toothbrush does not have the massage function in the process of brushing teeth in the prior art is solved, the technical effects of massaging the gum by using pulse gas in the process of brushing teeth and improving the tooth brushing experience of a user are achieved.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An electric massage toothbrush, characterized in that the toothbrush comprises:

the brush holder, the brush holder contains a casing, the casing has first accommodation space, first accommodation space includes: a first end, a second end, the first end being parallel to the second end;

a brush head, the brush head comprising:

the bristles are fixedly arranged on the brush head;

the spraying holes are arranged on the brush head, and the spraying direction is the same as the direction of the bristles;

the brush neck is connected with the brush head at one end and connected with the first end at the other end, the brush neck comprises a first pipeline, the first pipeline is arranged in the brush neck, and one end of the first pipeline is communicated with the jet hole;

the cylindrical part is fixedly arranged in the first accommodating space, and one end of the cylindrical part is communicated with the first pipeline;

the rod part is arranged in the cylinder part, and one end of the rod part is provided with M first teeth;

the piston is fixedly arranged at the other end of the rod part, a second accommodating space is formed by the piston and one end of the cylinder part, and the second accommodating space is communicated with the first pipeline;

the spring is sleeved on the periphery of the rod part, one end of the spring is fixed to the other end of the cylinder part, and the other end of the spring is arranged at the joint of the rod part and the piston;

the fixing plate is fixedly arranged in the first accommodating space;

a motor fixedly disposed on the fixing plate, the motor including:

an output shaft;

the first gear is fixedly arranged on the output shaft;

the transmission device is arranged in the first accommodating space, and the first gear is in meshing transmission with the transmission device;

the second gear is in meshed transmission with the transmission device;

the second transmission shaft is arranged on the fixing plate, and the second gear is fixedly arranged on the second transmission shaft;

a third gear fixed to the second drive shaft, the third gear comprising:

n second teeth, the second teeth are arranged on the first circular arc, and the second teeth are meshed with the first teeth; wherein the first arc is arranged at the edge of the third gear, and the radian of the first arc is less than 90 degrees;

m is N and M, N are all positive integers.

2. The toothbrush of claim 1, further comprising:

the water tank is fixedly arranged in the first accommodating space and positioned at the first end, liquid is contained in the water tank, and the water tank is communicated with the second accommodating space through a second pipeline;

the extrusion device is arranged in the first accommodating space, and the second pipeline is arranged on the extrusion device; along with the rotation of the third gear, the liquid in the second pipeline is extruded into the second accommodating space by the extruding device.

3. The toothbrush of claim 1, wherein the transmission comprises:

the first transmission shaft is arranged on the fixing plate;

the fourth gear is fixedly arranged at one end of the first transmission shaft and is meshed with the first gear;

and the fifth gear is fixedly arranged at the other end of the first transmission shaft and is meshed with the second gear.

4. The toothbrush of claim 2, wherein the squeezing means comprises:

the arc plate is fixedly arranged on the fixed plate and is concentric with the third gear;

the first cylinder is fixedly arranged on the third gear;

the second cylinder is fixedly arranged on the third gear, the first cylinder and the second cylinder are on a first diameter of a first circumference, and the first circumference is concentric with the circular arc plate;

the second pipeline sleeve is arranged on the periphery of the first cylinder and the second cylinder, and is positioned on the same side of the third gear with the first cylinder and the second cylinder.

5. The toothbrush of claim 4,

the distance between the first circumference and the circular arc plate is a first distance P;

the thickness of the pipe wall of the second pipeline is a first thickness Q;

wherein, P is less than or equal to 2Q, and P, Q are positive numbers.

6. The toothbrush of claim 4, further comprising:

and the one-way valve is arranged at the joint of the second pipeline and the second accommodating space.

7. The toothbrush of claim 3,

the fixing plate comprises a first side and a second side, and the first side is parallel to the second side;

wherein the first gear, the fourth gear are located on the first side; the second gear, the third gear, the fifth gear are located on the second side.

8. The toothbrush of claim 1, wherein said jet holes are centrally located in said head.

9. The toothbrush of claim 1, wherein the piston is made of an elastic rubber, and an outer diameter of the piston matches an inner diameter of the cylindrical portion.

10. The toothbrush of claim 1, wherein the brushhead further comprises:

a third pipe having one end communicating with the injection hole and the other end communicating with one end of the first pipe;

wherein the first conduit has an inner diameter greater than an inner diameter of the third conduit.