CN115607316A

CN115607316A - Electric toothbrush

Info

Publication number: CN115607316A
Application number: CN202211008793.2A
Authority: CN
Inventors: 王学武
Original assignee: Shenzhen Bestman Electronic Technology Co ltd
Current assignee: Shenzhen Bestman Electronic Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-17
Anticipated expiration: 2042-08-22
Also published as: CN115607316B

Abstract

The invention relates to the technical field of toothbrushes, in particular to an electric toothbrush. The electric toothbrush comprises an electric toothbrush body, wherein one end of the electric toothbrush body is electrically connected with a charging base, and the other end of the electric toothbrush body is provided with a toothbrush head unit; the electric toothbrush body comprises a body housing; an inner supporting tube is arranged in the body shell, and a storage battery is arranged in the inner supporting tube; a plurality of groups of fixing buckles are distributed at the top edges of the inner walls at two sides of the battery compartment at equal intervals, and the inner supporting tube is movably clamped with the body shell through the fixing buckles; one side of the battery bin is electrically connected with a vibration motor; and one end of the vibration motor, which is far away from the storage battery, is connected with the toothbrush head unit. The first bristle module and the third bristle module which are identical in structure are respectively arranged on the two side walls and the inner wall of the bottom of the tooth cleaning groove, so that each angle of teeth can be cleaned, and the using effect of the electric toothbrush is improved.

Description

Electric toothbrush

Technical Field

The invention belongs to the technical field of toothbrushes, and particularly relates to an electric toothbrush.

Background

The electric toothbrush drives the toothbrush head to vibrate at high frequency through the vibration motor inside the electric toothbrush, so that the tooth cleaning function is realized.

The existing electric toothbrush mostly adopts an integral type in order to ensure the sealing performance, and when the internal structure of the existing electric toothbrush breaks down, the existing electric toothbrush is difficult to disassemble and repair, so that the convenience of maintenance is reduced.

Disclosure of Invention

In order to solve the problems, the invention provides an electric toothbrush which comprises an electric toothbrush body, wherein one end of the electric toothbrush body is electrically connected with a charging base, and the other end of the electric toothbrush body is provided with a toothbrush head unit;

the electric toothbrush body comprises a body housing; an inner supporting tube is arranged in the body shell, and a storage battery is arranged in the inner supporting tube; a plurality of groups of fixing buckles are distributed at the top edges of the inner walls at two sides of the battery compartment at equal intervals, and the inner supporting tube is movably clamped with the body shell through the fixing buckles; one side of the battery bin is electrically connected with a vibration motor; one end of the vibration motor, which is far away from the storage battery, is connected with the toothbrush head unit; a sealing hole is formed in one end opening, away from the motor bin, of the battery bin, an electrical connection block is arranged in the sealing hole, and one end of the electrical connection block extends into the battery bin and is electrically connected with the storage battery; one end of the electric connection block, which is far away from the conducting strip, extends to the outside of the body shell and is electrically connected with the charging base.

Furthermore, a battery compartment is arranged on the inner supporting tube, the storage battery is arranged in the battery compartment, a motor compartment is arranged at one end, far away from the sealing hole, of the battery compartment, and the vibration motor is arranged in the motor compartment.

Furthermore, the one end fixed mounting that the battery was kept away from to the vibrations motor has vibrations head, the vibrations head other end and toothbrush head unit fixed connection.

Furthermore, a circuit board is fixedly mounted on the inner supporting tube and is electrically connected with the storage battery and the vibration motor respectively.

Furthermore, one end of the electric toothbrush body, which is far away from the charging base, is fixedly provided with a toothbrush cleaning unit, and the toothbrush cleaning unit comprises a cleaning shell; the cleaning shell is arranged at one end of the electric toothbrush body, and the overlooking section of the cleaning shell is of a fan-shaped ring structure; and the top of the cleaning shell is provided with a lower cleaning groove with a top view cross section of a fan-shaped structure.

Further, a liquid storage cavity is arranged below the lower cleaning groove, a liquid outlet is arranged on the inner wall of the bottom of the lower cleaning groove, the other end of the liquid outlet is communicated with the liquid storage cavity, and a miniature ball valve is arranged at the joint; a liquid injection port is arranged on one side wall of the liquid storage cavity; the liquid storage cavity is internally provided with a liquid guide pipe, the other end of the liquid guide pipe extends into the lower cleaning groove, and the liquid guide pipe is provided with a micro pump.

Further, an upper cover is movably mounted at the top of the cleaning shell, an upper cleaning groove is formed in the bottom of the upper cover, and the overlooking cross sections of the upper cover and the upper cleaning groove are both of a fan-shaped ring structure; the upper cleaning groove and the lower cleaning groove are the same in size and are communicated with each other.

Furthermore, two groups of toothbrush head clamping strips with fan-shaped overlooking cross sections are symmetrically arranged on the inner wall of the top of the upper cleaning groove and the inner wall of the bottom of the lower cleaning groove; a plurality of groups of impurity cleaning mechanisms are evenly distributed on the outer wall of the toothbrush head clamping strip.

Furthermore, the impurity cleaning mechanism comprises a rotating pipe and a fixed rod; one end of the rotating pipe is provided with a rotating groove, and the inner wall of the rotating groove is provided with an annular sliding groove; the other end of the rotating pipe is provided with a lug mounting plate, and a side wall of the lug mounting plate, which is far away from the rotating pipe, is evenly distributed with a plurality of groups of cleaning lugs; a fixed rod is arranged in the rotary groove, a rotary ring is arranged on the outer wall of the fixed rod, and the rotary ring is connected in the annular sliding groove in a sliding manner; the other end of the fixed rod extends to the outside of the rotary groove and is fixedly arranged on the toothbrush head clamping strip.

Further, the toothbrush head unit is movably installed in the cleaning shell and comprises a toothbrush head body; a toothbrush head connecting unit is installed on one side wall of the toothbrush head body, and the other end of the toothbrush head connecting unit is hinged with the opening edge at the top of the cleaning shell; the overlooking section of the toothbrush head body is of a fan-shaped ring structure; two groups of tooth cleaning grooves with fan-shaped overlooking cross sections and two open ends are symmetrically arranged on the outer walls of the upper side and the lower side of the toothbrush head body, and the toothbrush head body is movably arranged in a toothbrush cleaning unit; a plurality of groups of first bristle modules are distributed on the inner walls of the two sides of the tooth cleaning groove at equal intervals, a group of second bristle modules are arranged between every two adjacent groups of first bristle modules, the length of each second bristle module is greater than that of each first bristle module, and the width of each second bristle module is smaller than that of each first bristle module; a plurality of groups of third bristle modules are distributed on the inner wall of one side of the tooth cleaning groove, which is far away from the opening, at equal intervals, and a group of fourth bristle modules is arranged between every two adjacent groups of third bristle modules; the third brushing module and the fourth brushing module are respectively the same as the first brushing module and the second brushing module in structure.

The invention has the beneficial effects that:

1. each part of the electric toothbrush body is modularized, the inner supporting tube, the storage battery, the electric connecting block and the vibration motor can be independently disassembled, and the inner supporting tube is connected with the body shell by using the fixed buckle. And a first rubber pad and a sealing ring are arranged at the joint. When guaranteeing electric toothbrush body leakproofness, still make its whole convenient to detach, improved the convenience of later maintenance.

2. Change straight board-like toothbrush head into in the past and look down the cross-section for the toothbrush head body of fan ring shape, when using the toothbrush head body, only need to place two rows of upper and lower teeth simultaneously in two sets of tooth cleaning grooves, then open the vibrations mode, can realize that the tooth is clean. Because the width of tooth cleaning groove opening department will be greater than the width of bottom, consequently make the laminating degree of tooth cleaning groove and tooth higher, each group's brush hair module is also more even to the atress of tooth to set up the first brush hair module and the third brush hair module that the structure is the same on the both sides wall of tooth cleaning groove and bottom inner wall respectively, make every angle of tooth all can obtain cleaning, thereby improved electric toothbrush's result of use.

3. After the toothbrush head body is used, the toothbrush head connecting unit is adjusted to be installed in the closed cavity formed by the lower cleaning groove and the upper cleaning groove, then cleaning liquid is injected into the closed cavity, and then the cleaning liquid is in a flowing state through the vibration mode of the electric toothbrush body, so that the toothbrush head body and the groups of bristle modules are flushed, and the self-cleaning function is achieved. With this convenience that has improved toothbrush head body later stage maintenance to toothbrush head body's life has been prolonged.

4. After the toothbrush head body enters the closed cavity, the two groups of toothbrush head clamping strips are respectively clamped in the two groups of tooth cleaning grooves, and the impurity cleaning mechanisms are respectively attached to a corresponding group of bristle modules. When the cleaning liquid flows due to the vibration mode, impact is applied to the rotating pipe. And because annular spout is sliding connection in the runner, consequently will take place rotatoryly when the runner suffers the impact, then utilize its rotation to drive each group clearance lug along clod mounting panel axis circular motion, then utilize the collision and the conflict of clearance lug and brush hair module, reject the impurity that brush hair module surface adsorptivity is stronger. Thereby improving the cleaning quality of the brush head unit.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

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

fig. 2 shows an exploded schematic view of an electric toothbrush body according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural view showing an inner support tube according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view showing a battery cartridge according to embodiment 1 of the present invention;

FIG. 5 is a schematic view showing the construction of an electric toothbrush according to embodiment 2 of the present invention in operation;

FIG. 6 is a schematic view showing a structure of an electric toothbrush according to embodiment 2 of the present invention when it is not in use;

fig. 7 shows a schematic configuration diagram of a toothbrush cleaning unit according to embodiment 2 of the present invention;

FIG. 8 shows a right side cross-sectional view of a toothbrush cleaning unit according to embodiment 2 of the invention;

figure 9 shows a schematic view of a toothbrush head snap strip according to embodiment 2 of the present invention;

FIG. 10 is a schematic structural view showing a foreign substance removal mechanism according to embodiment 2 of the present invention;

FIG. 11 is a schematic sectional view showing a foreign substance removal mechanism according to embodiment 2 of the present invention;

fig. 12 is a schematic view showing a construction of a toothbrush head coupling unit according to embodiment 2 of the present invention;

figure 13 shows a schematic view of a structure of a toothbrush head unit according to embodiment 2 of the invention;

figure 14 shows a schematic top view of a toothbrush head unit according to embodiment 2 of the invention;

fig. 15 shows an enlarged schematic view within circle a of fig. 10 according to embodiment 2 of the present invention.

In the figure: 100. a charging base; 200. an electric toothbrush body; 201. a body housing; 210. an inner support tube; 211. a battery compartment; 212. fixing a buckle; 213. a conductive sheet; 214. a circuit board; 215. Sealing the hole; 220. a motor compartment; 221. a vibration motor; 230. a vibrating head; 240. an electrical connection block; 300. a toothbrush cleaning unit; 310. cleaning the shell; 311. a lower cleaning tank; 320. an upper cover; 321. An upper cleaning tank; 330. a liquid storage cavity; 331. a liquid injection port; 332. a liquid discharge port; 333. a micro ball valve; 340. a liquid guiding pipe; 341. a micro-pump; 350. the toothbrush head is clamped with a strip; 360. an impurity cleaning mechanism; 361. Pipe rotation; 362. rotating the groove; 363. an annular chute; 364. fixing the rod; 365. rotating the ring; 366. a bump mounting plate; 367. cleaning the bumps; 400. a toothbrush head connecting unit; 410. a first connecting plate; 411. A clamping head; 420. a second connecting plate; 421. a clamping hole; 430. hinging seats; 431. waterproof sealing strip; 440. erecting a rod; 450. a steering sleeve; 451. a limiting hole; 460. a spring fastener; 470. a toothbrush head connecting rod; 500. a brush head unit; 510. a toothbrush head body; 520. a tooth cleaning basin; 530. a first bristle module; 540. a second bristle module; 550. a third bristle module; 560. a fourth bristle module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1:

the embodiment of the invention provides an electric toothbrush, which comprises an electric toothbrush body 200 and a charging base 100. Illustratively, as shown in fig. 1, the electric toothbrush body 200 is electrically connected to the charging base 100. The toothbrush head unit 500 is fixedly mounted at one end of the electric toothbrush body 200, the toothbrush head unit 500 comprises a bristle mounting plate, the bristle mounting plate is of a straight plate-shaped structure, and a bristle body is fixedly mounted on the bristle mounting plate. The head unit 500 is used to perform a tooth brushing function of the electric toothbrush.

The electric toothbrush body 200 includes a body case 201. Illustratively, as shown in fig. 2, 3 and 4, the body casing 201 is formed by two sets of semicircular casings with the same structure, which are clamped with each other, and a first rubber pad is arranged at a joint of the two sets of semicircular casings. An inner supporting tube 210 is arranged in the body shell 201, a battery compartment 211 is arranged on the inner supporting tube 210, and a storage battery is arranged in the battery compartment 211. A plurality of groups of fixing buckles 212 are distributed at the top edges of the inner walls of the two sides of the battery compartment 211 at equal intervals, and the inner support tube 210 is movably clamped with the body shell 201 through the fixing buckles 212. A motor chamber 220 is arranged on one side of the battery chamber 211, a vibration motor 221 is arranged in the motor chamber 220, and the vibration motor 221 is electrically connected with the storage battery. One end of the vibration motor 221, which is far away from the battery, is fixedly provided with a vibration head 230, and the other end of the vibration head 230 is fixedly connected with the toothbrush head unit 500. Sealed hole 215 has been seted up to the one end port department that motor storehouse 220 was kept away from to battery compartment 211, be equipped with electrical connection block 240 in the sealed hole 215, electrical connection block 240 one end extends to in battery compartment 211, and electrically connected has conducting strip 213, conducting strip 213 other end and battery electric connection. One end of the electrical connection block 240, which is far away from the conductive sheet 213, extends to the outside of the body casing 201 and is electrically connected to the charging base 100. A sealing ring is arranged at the joint of the electrical connection block 240 and the body casing 201. The inner support tube 210 is fixedly mounted with a circuit board 214, and the circuit board 214 is electrically connected with the battery and the vibration motor 221 respectively.

The electric toothbrush body 200 is modularized, the inner support tube 210, the battery, the electrical connection block 240 and the vibration motor 221 are independently detachable, and the inner support tube 210 is connected to the body housing 201 by the fixing clip 212. And a first rubber gasket and a sealing ring are arranged at the joint. When guaranteeing electric toothbrush body 200 leakproofness, still make its whole convenient to detach, improved the convenience of later maintenance.

Example 2:

the embodiment of the invention also provides an electric toothbrush, which comprises an electric toothbrush body 200 and a charging base 100. Illustratively, as shown in fig. 6 and 7, the electric toothbrush body 200 and the charging base 100 have the same structure as in embodiment 1.

A toothbrush cleaning unit 300 is fixedly installed at one end of the electric toothbrush body 200. The toothbrush cleaning unit 300 is used to clean the toothbrush head.

The outer wall of the toothbrush cleaning unit 300 is hinged with a toothbrush head connecting unit 400. The brush head coupling unit 400 is used to adjust the position of the brush head.

The other end of the toothbrush head connection unit 400 is provided with a toothbrush head unit 500, and the toothbrush head unit 500 is movably installed in the inner cavity of the housing of the toothbrush cleaning unit 300. The head unit 500 is used to perform a tooth brushing function of the electric toothbrush.

The toothbrush cleaning unit 300 includes a cleaning housing 310. Illustratively, as shown in fig. 8, 9 and 10, the cleaning housing 310 is fixedly installed at one end of the electric toothbrush body 200, and the cleaning housing 310 has a fan-shaped ring structure in a top cross-section. And the top of the cleaning housing 310 is provided with a lower cleaning groove 311 with a sector ring-shaped top cross section. A liquid storage cavity 330 is arranged below the lower cleaning groove 311, a liquid outlet is arranged on the inner wall of the bottom of the lower cleaning groove 311, the other end of the liquid outlet is communicated with the liquid storage cavity 330, and a miniature ball valve 333 is arranged at the joint. A liquid injection port 331 is arranged on one side wall of the liquid storage cavity 330. A liquid guiding pipe 340 is arranged in the liquid storage cavity 330, the other end of the liquid guiding pipe 340 extends into the lower cleaning groove 311, and a micro pump 341 is arranged on the liquid guiding pipe 340. The micro pump 341 is model EXV-2X-MFX. An upper cover 320 is movably mounted on the top of the cleaning housing 310, an upper cleaning groove 321 is formed in the bottom of the upper cover 320, and the top-view cross sections of the upper cover 320 and the upper cleaning groove 321 are both fan-shaped ring structures. The upper cleaning groove 321 and the lower cleaning groove 311 have the same size and are communicated with each other. Two groups of toothbrush head clamping strips 350 with fan-shaped top cross sections are symmetrically arranged on the inner wall of the top of the upper cleaning groove 321 and the inner wall of the bottom of the lower cleaning groove 311. A plurality of groups of impurity cleaning mechanisms 360 are evenly distributed on the outer wall of the toothbrush head clamping strip 350.

The impurity cleaning mechanism 360 includes a rotating pipe 361 and a fixing rod 364. For example, as shown in fig. 11 and 12, a rotary slot 362 is formed at one end of the rotary tube 361, and an annular sliding slot 363 is formed on an inner wall of the rotary slot 362. The other end of the rotating pipe 361 is provided with a lug mounting plate 366, and a plurality of groups of cleaning lugs 367 are evenly distributed on one side wall of the lug mounting plate 366, which is far away from the rotating pipe 361. A fixing rod 364 is arranged in the rotary slot 362, a rotary ring 365 is arranged on the outer wall of the fixing rod 364, and the rotary ring 365 is connected in the annular sliding slot 363 in a sliding manner. The other end of the fixing rod 364 extends to the outside of the rotation groove 362 and is fixedly installed on the toothbrush head fastening strip 350.

Firstly, cleaning liquid (in the embodiment, but not limited to, physiological saline) is injected into the liquid storage cavity 330 through the liquid injection port 331, after the toothbrush head unit 500 is used, the toothbrush head unit 500 is installed in the lower cleaning groove 311 by adjusting the toothbrush head connecting unit 400, and then the upper cover 320 is closed, so that the toothbrush head unit 500 can be positioned in a closed cavity formed by the lower cleaning groove 311 and the upper cleaning groove 321. Then, the micro pump 341 is turned on, and the cleaning liquid in the liquid storage chamber 330 is injected into the closed chamber by the liquid guiding tube 340. Then, the vibration mode of the electric toothbrush body 200 is turned on, so that the cleaning liquid in the closed cavity can be in a motion state by vibration, and thus the bristles on the toothbrush head unit 500 are cleaned. Manual operation is not needed, so that the self-cleaning function is realized. After the cleaning operation is completed, the micro ball valve 333 is opened to discharge the cleaning liquid into the reservoir chamber 330 again through the drain port 332. And the cleaning liquid remaining on the brush head unit 500 and the inner wall of the closed chamber can be separated using the vibration mode. Thereby allowing head unit 500 to be in a dry environment.

The head coupling unit 400 includes a first coupling plate 410. Illustratively, as shown in fig. 13, the first connecting plate 410 is hinged at one end to an edge of one side of the opening of the lower cleaning tank 311, and is hinged at the other end to a second connecting plate 420. The first connection plate 410 is mounted with a card connector 411. The second connecting plate 420 is provided with a clamping hole 421, and the clamping head 411 is movably clamped in the clamping hole 421. One end of the second connecting plate 420, which is far away from the first connecting plate 410, is fixedly provided with a hinge base 430, and the outer wall of the hinge base is sleeved with a waterproof sealing strip 431. One end of the hinged support 430, which is far away from the second connecting plate 420, is an open structure, an upright rod 440 is arranged at an opening, a steering sleeve 450 is rotatably sleeved on the upright rod 440, and a plurality of groups of limiting holes 451 are distributed on the outer wall of the steering sleeve 450 in an annular array. The outer wall of one side of the hinged support 430 is provided with a spring buckle 460, one end of the spring buckle 460 extends into the cavity of the hinged support 430, and the spring buckle is movably clamped in any one group of limiting holes 451. A toothbrush head connecting rod 470 is fixedly installed on the steering sleeve 450.

After the toothbrush head unit 500 is used, the second connecting plate 420 is folded and attached to the first connecting plate 410 by the hinge relation of the first connecting plate 410 and the second connecting plate 420, so that the snap 411 can be snapped in the snap hole 421. At this time, the brush head unit 500 is engaged in the lower cleaning groove 311 as the second coupling plate 420 is turned upside down, so that the cleaning work is performed. The hinge base 430 is also clamped at the top gap of the cleaning housing 310, and the waterproof sealing strip 431 is used for plugging the gap between the hinge base 430 and the gap to prevent the cleaning liquid from leaking out of the gap. And the angle of the brush head unit 500 can be adjusted to a desired position by rotating the steering sleeve 450, and then the spring catches 460 are engaged in the corresponding set of the stopper holes 451. Not only improved electric toothbrush's use comfort, adjusted work simultaneously simple swift, improved its convenience in use.

The head unit 500 includes a head body 510. Illustratively, as shown in fig. 14 and 15, the head body 510 is fixedly mounted to an end of the head connecting rod 470 remote from the hinge base 430, and the head body 510 has a sectional shape of a sector ring in a top view. Two groups of tooth cleaning grooves 520 with sector-shaped overlooking cross sections are symmetrically formed in the outer walls of the upper side and the lower side of the toothbrush head body 510, the two ends of each tooth cleaning groove 520 are of an open structure, and the width of the opening of each tooth cleaning groove 520 is larger than that of the bottom of the tooth cleaning groove. The toothbrush head body 510 is movably mounted in the cavity formed by the lower cleaning groove 311 and the upper cleaning groove 321, and the two tooth cleaning grooves 520 are respectively movably sleeved on the two groups of toothbrush head clamping strips 350. A plurality of groups of first bristle modules 530 are distributed on the inner walls of both sides of the tooth cleaning groove 520 at equal intervals, a group of second bristle modules 540 is arranged between two adjacent groups of the first bristle modules 530, the length of the second bristle modules 540 is greater than that of the first bristle modules 530, and the width of the second bristle modules 540 is less than that of the first bristle modules 530. A plurality of groups of third bristle modules 550 are equidistantly distributed on the inner wall of one side of the tooth cleaning groove 520 away from the opening, and a group of fourth bristle modules 560 is arranged between every two adjacent groups of the third bristle modules 550. The third bristle module 550 has the same structure as the first bristle module 530, and the fourth bristle module 560 has the same structure as the second bristle module 540.

The toothbrush head body 510 with the overlook cross section as the sector ring shape is changed into the conventional straight-plate toothbrush head, when the toothbrush head body 510 is used, only the upper row of teeth and the lower row of teeth are placed in the two groups of tooth cleaning grooves 520 at the same time, and then the vibration mode is started, so that the teeth can be cleaned. Because the width of the opening of the tooth cleaning groove 520 is larger than that of the bottom, the tooth cleaning groove 520 is higher in fit degree with teeth, the force of each group of bristle modules on the teeth is more uniform, and the first bristle module 530 and the third bristle module 550 which are the same in structure are respectively arranged on the two side walls and the inner wall of the bottom of the tooth cleaning groove 520, so that each angle of the teeth can be cleaned, and the cleaning effect is improved.

A set of second bristle module 540 and a set of fourth bristle module 560 are respectively disposed between two adjacent sets of first bristle module 530 and between two adjacent sets of third bristle module 550, and the length of the second bristle module 540 and the fourth bristle module 560 are respectively greater than the first bristle module 530 and the third bristle module 550, while the width is respectively smaller than the first bristle module 530 and the third bristle module 550. Therefore, the second bristle module 540 and the fourth bristle module 560 can go deep into the slit between the teeth for cleaning, and dead angles are avoided.

The invention has the following beneficial effects:

1. each part of the electric toothbrush body 200 is modularized, the inner support tube 210, the battery, the electrical connection block 240 and the vibration motor 221 are independently detachable, and the inner support tube 210 is connected with the body case 201 by the fixing buckle 212. And a first rubber pad and a sealing ring are arranged at the joint. When the leakproofness of electric toothbrush body 200 is guaranteed, still make its whole convenient to detach, improved the convenience of later maintenance.

2. The straight plate toothbrush head is changed into the toothbrush head body 510 with the overlook cross section in the shape of the sector ring, when the toothbrush head body 510 is used, only two rows of upper teeth and lower teeth are required to be placed in two groups of tooth cleaning grooves 520 at the same time, and then the vibration mode is started, so that teeth can be cleaned. Because the width of the opening of the tooth cleaning groove 520 is larger than that of the bottom, the tooth cleaning groove 520 is higher in fit degree with teeth, the force of each group of bristle module on the teeth is more uniform, and the first bristle module 530 and the third bristle module 550 which are the same in structure are respectively arranged on the two side walls and the inner wall of the bottom of the tooth cleaning groove 520, so that each angle of the teeth can be cleaned, and the using effect of the electric toothbrush is improved.

3. After the toothbrush head body 510 is used, the toothbrush head connecting unit 400 is adjusted to be installed in a closed cavity formed by the lower cleaning groove 311 and the upper cleaning groove 321, cleaning liquid is injected into the closed cavity, and then the cleaning liquid is in a flowing state by using a vibration mode of the electric toothbrush body 200, so that the toothbrush head body 510 and all groups of bristle modules are flushed, and a self-cleaning function is realized. Thereby improving the convenience of later maintenance of the toothbrush head body 510 and extending the life span of the toothbrush head body 510.

4. A set of second bristle module 540 and a set of fourth bristle module 560 are respectively arranged between two adjacent sets of first bristle modules 530 and between two adjacent sets of third bristle modules 550, and the length of the second bristle module 540 and the length of the fourth bristle module 560 are respectively greater than that of the first bristle module 530 and the third bristle module 550, while the width of the second bristle module 540 and the width of the fourth bristle module are respectively smaller than that of the first bristle module 530 and the third bristle module 550. Therefore, the second bristle module 540 and the fourth bristle module 560 can go deep into the slit between the teeth for cleaning, and dead angles are avoided.

5. After the toothbrush head body 510 enters the closed cavity, the two toothbrush head clamping strips 350 are respectively clamped in the two tooth cleaning grooves 520, and the impurity cleaning mechanisms 360 are respectively attached to a corresponding group of bristle modules. When the cleaning liquid flows due to the vibration mode, an impact is applied to the rotation pipe 361. Because the annular chute 363 is slidably connected in the rotary chute 362, the rotary tube 361 rotates when being impacted, then the rotation drives the cleaning bumps 367 to move along the central axis of the bump mounting plate 366 in a circular manner, and then the cleaning bumps 367 collide with the bristle module to remove impurities with strong surface adsorption of the bristle module. Thereby improving the cleaning quality of the head unit 500.

6. The angle of the brush head unit 500 can be adjusted to a desired position by rotating the steering sleeve 450, and then the spring catches 460 are engaged in the corresponding set of the stopper holes 451. Not only improved electric toothbrush's use comfort level, it is simple swift to adjust work simultaneously, has improved its convenience in use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An electric toothbrush characterized by: the electric toothbrush comprises an electric toothbrush body (200), wherein one end of the electric toothbrush body (200) is electrically connected with a charging base (100), and the other end of the electric toothbrush body is provided with a toothbrush head unit (500);

the electric toothbrush body (200) includes a body case (201); an inner supporting tube (210) is arranged in the body shell (201), and a storage battery is arranged in the inner supporting tube (210); a plurality of groups of fixing buckles (212) are distributed at the top edges of the inner walls of the two sides of the battery compartment (211) at equal intervals, and the inner supporting tube (210) is movably clamped with the body shell (201) through the fixing buckles (212); one side of the battery compartment (211) is electrically connected with a vibration motor (221); one end of the vibration motor (221) far away from the storage battery is connected with the toothbrush head unit (500); a sealing hole (215) is formed in one end opening of the battery compartment (211) far away from the motor compartment (220), an electrical connection block (240) is arranged in the sealing hole (215), and one end of the electrical connection block (240) extends into the battery compartment (211) and is electrically connected with a storage battery; one end of the electrical connection block (240) far away from the conductive sheet (213) extends to the outside of the body shell (201) and is electrically connected with the charging base (100).

2. An electric toothbrush according to claim 1, wherein: the inner supporting tube (210) is provided with a battery compartment (211), the storage battery is installed in the battery compartment (211), one end, far away from the sealing hole (215), of the battery compartment (211) is provided with a motor compartment (220), and the vibration motor (221) is installed in the motor compartment (220).

3. An electric toothbrush according to claim 2, wherein: the one end fixed mounting that the battery was kept away from in vibrations motor (221) shakes first (230), shake first (230) other end and toothbrush head unit (500) fixed connection.

4. An electric toothbrush according to claim 2, wherein: a circuit board (214) is fixedly mounted on the inner supporting tube (210), and the circuit board (214) is electrically connected with the storage battery and the vibration motor (221) respectively.

5. An electric toothbrush according to claim 1, wherein: a toothbrush cleaning unit (300) is fixedly mounted at one end of the electric toothbrush body (200) far away from the charging base (100), and the toothbrush cleaning unit (300) comprises a cleaning shell (310); the cleaning shell (310) is arranged at one end of the electric toothbrush body (200), and the overlooking section of the cleaning shell (310) is of a fan-shaped annular structure; and the top of the cleaning shell (310) is provided with a lower cleaning groove (311) with a sector annular structure in top view section.

6. An electric toothbrush according to claim 5, wherein: a liquid storage cavity (330) is arranged below the lower cleaning groove (311), a liquid outlet is arranged on the inner wall of the bottom of the lower cleaning groove (311), the other end of the liquid outlet is communicated with the liquid storage cavity (330), and a miniature ball valve (333) is arranged at the joint; a liquid injection port (331) is formed in one side wall of the liquid storage cavity (330); be equipped with in stock solution chamber (330) and draw liquid pipe (340), draw in liquid pipe (340) other end extend to under in clean groove (311), just be equipped with micropump (341) on draw liquid pipe (340).

7. An electric toothbrush according to claim 6, wherein: an upper cover (320) is movably mounted at the top of the cleaning shell (310), an upper cleaning groove (321) is formed in the bottom of the upper cover (320), and the overlooking sections of the upper cover (320) and the upper cleaning groove (321) are both fan-shaped annular structures; the upper cleaning groove (321) and the lower cleaning groove (311) are the same in size and are communicated with each other.

8. An electric toothbrush according to claim 7, wherein: two groups of toothbrush head clamping strips (350) with fan-shaped overlooking cross sections are symmetrically arranged on the inner wall of the top of the upper cleaning groove (321) and the inner wall of the bottom of the lower cleaning groove (311); a plurality of groups of impurity cleaning mechanisms (360) are evenly distributed on the outer wall of the toothbrush head clamping strip (350).

9. An electric toothbrush according to claim 8, wherein: the impurity cleaning mechanism (360) comprises a rotating pipe (361) and a fixed rod (364); one end of the rotating pipe (361) is provided with a rotating groove (362), and the inner wall of the rotating groove (362) is provided with an annular sliding groove (363); a bump mounting plate (366) is mounted at the other end of the rotating pipe (361), and a plurality of groups of cleaning bumps (367) are evenly distributed on one side wall of the bump mounting plate (366) far away from the rotating pipe (361); a fixing rod (364) is arranged in the rotary groove (362), a rotary ring (365) is arranged on the outer wall of the fixing rod (364), and the rotary ring (365) is connected in the annular sliding groove (363) in a sliding manner; the other end of the fixed rod (364) extends to the outside of the rotary groove (362) and is fixedly arranged on the toothbrush head clamping strip (350).

10. An electric toothbrush according to claim 6, wherein: the toothbrush head unit (500) is movably installed in the cleaning housing (310), and the toothbrush head unit (500) comprises a toothbrush head body (510); a toothbrush head connecting unit (400) is installed on one side wall of the toothbrush head body (510), and the other end of the toothbrush head connecting unit (400) is hinged with the edge of the opening at the top of the cleaning shell (310); the overlooking cross section of the toothbrush head body (510) is of a fan-ring-shaped structure; two groups of tooth cleaning grooves (520) with fan-shaped overlooking cross sections and two open ends are symmetrically formed in the outer walls of the upper side and the lower side of the toothbrush head body (510), and the toothbrush head body (510) is movably arranged in a toothbrush cleaning unit (300); a plurality of groups of first bristle modules (530) are distributed on the inner walls of the two sides of the tooth cleaning groove (520) at equal intervals, a group of second bristle modules (540) are arranged between every two adjacent groups of first bristle modules (530), the length of each second bristle module (540) is greater than that of each first bristle module (530), and the width of each second bristle module is smaller than that of each first bristle module (530); a plurality of groups of third bristle modules (550) are equidistantly distributed on the inner wall of one side of the tooth cleaning groove (520) away from the opening, and a group of fourth bristle modules (560) is arranged between every two adjacent groups of the third bristle modules (550); the third bristle module (550) and the fourth bristle module (560) have the same structure as the first bristle module (530) and the second bristle module (540), respectively.