CN210811679U

CN210811679U - Three-roller electric toothbrush

Info

Publication number: CN210811679U
Application number: CN201921554061.7U
Authority: CN
Inventors: 李国斌; 李嘉佑
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-23
Anticipated expiration: 2029-09-18

Abstract

The utility model relates to the technical field of articles for daily use, a three-roller electric toothbrush is disclosed, specific be: including brush head, brush holder and driving system, driving system sets up in the brush holder, and the connection can be dismantled to brush head and brush holder, is equipped with three running roller in the brush head, and driving system passes through the three running roller of flexible axle transmission drive and rotates. The utility model has the advantages that: the structure is reasonable, and the three rollers can clean teeth more thoroughly; the brush head is provided with two infrared inductive switches which are logically connected with a main switch on the brush handle, and the logical connection can enable the main switch to form three gears of power off, forced on and intelligent on, so as to adapt to the requirements of different states of applicable people.

Description

Three-roller electric toothbrush

Technical Field

The utility model relates to the technical field of articles for daily use, especially, relate to a three-roller electric toothbrush.

Background

In order to keep oral hygiene, people need to use a toothbrush to clean teeth, and the correct tooth brushing mode is as follows: whether the teeth are cleaned or not, toothbrushes are also very important in addition to toothpaste. The existing toothbrush structure is generally a brush handle and a brush head with bristles, and when the toothbrush is used, the brush handle is held by hands, and the brush head is put into the oral cavity for brushing and cleaning; the existing toothbrush has the structural characteristics that the tooth cleaning is mainly realized by driving toothpaste to rub with teeth through bristles, so that dirt on the surfaces of the teeth is cleaned; because of the great randomness of manual tooth brushing, the force applied to the toothbrush and the method are not easy to control, and the partial teeth are not cleaned enough after being brushed. The manual toothbrush needs to master certain skill and is hard, most of electric toothbrushes in the market adopt a vibration type structure, the cleaning force is small, and the cleaning is not thorough.

In addition, after the existing electric toothbrush is squeezed with toothpaste, the toothpaste can be vibrated after the switch is started outside the oral cavity, so that the toothpaste falls or splashes; in the oral cavity, the switch is started, because of the holding posture and the length of the brush holder, the switch is positioned in the palm coating range, and the switch is not convenient to start by fingers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of insufficient cleaning and uneven particle force of manual tooth brushing in the prior art and providing a three-roller electric toothbrush.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a three-roller electric toothbrush comprises a brush head, a brush handle and a power system, wherein the brush head is provided with an open slot, the open slot is divided into a roller chamber and a gear chamber by a partition plate, three rollers which are in the same direction as the brush handle are arranged in the roller chamber in parallel, rotating shafts are respectively arranged at two ends of the three rollers, the rotating shafts at one end of the three rollers are respectively connected with the partition plate in a rotating way through sealing bearings, and the rotating shafts at the other end of the three rollers are respectively connected to the wall of the roller; three rotating shafts on the partition plate penetrate through the partition plate through a sealing bearing and extend into the gear chamber, gears are respectively arranged on the three rotating shafts in the gear chamber, and two adjacent gears are meshed with each other; the gear chamber opening is provided with a sealing cover body, and the brush head is provided with a matched dustproof cover;

a motor bin and a battery bin are arranged in the brush handle, and a through pipeline is arranged in the brush handle;

the power system comprises a motor, a battery, a flexible shaft and a main switch, wherein the motor is fixed in a motor bin, the battery is fixed in a battery bin, the main switch is arranged on the wall of the brush handle, the motor, the battery and the main switch form a closed loop circuit, and a charging port for circularly charging the battery is arranged on the brush handle;

the rotating shaft positioned in the middle of the gear chamber extends outwards to penetrate through the brush head wall and extend out of a section of connecting shaft, and a circle of annular bulge is arranged on the outer surface of the side brush head wall by taking the rotating shaft as the center; the end face of one end, connected with the brush head, of the brush handle is provided with an annular groove, and the brush handle and the brush head are detachably connected through close fit of the annular groove and the annular bulge; the inner bottom surface of the annular groove on the brush handle is provided with a sealing plate for sealing the middle through pipeline, a switching block is arranged on the sealing plate opposite to the position of the connecting shaft, and the switching block penetrates through the sealing plate and is in rotary sealing connection with the sealing plate through a bearing; the end face of the switching block facing the connecting shaft is provided with a quick connecting hole matched with the connecting shaft, and the connecting shaft and the quick connecting hole are connected through a key; the flexible shaft is arranged in the through pipe, one end of the flexible shaft is fixedly connected with the output shaft of the motor, and the other end of the flexible shaft is connected with one end of the switching block, which is positioned at the side of the through pipe, through a coupling.

Preferably, a circuit board is further arranged in the brush handle, two infrared inductive switches are arranged in the roller chamber and are respectively arranged on the side walls of the two ends of the roller chamber, and the two infrared inductive switches are connected with a main switch logic circuit to control the on-off of the motor;

the brush head is provided with a brush handle, the brush handle is provided with a brush head, the brush head is provided with a sealing plate, the sealing plate is provided with two convex columns, the two convex columns are respectively provided with an electrode A, the outer wall of the brush head is provided with two electrodes B corresponding to the positions of the electrodes A, and the electrodes A and the electrodes B are in contact after the brush head is connected with the brush; the two electrodes A are respectively connected with positive and negative electrode currents, each infrared induction switch is respectively connected with the two electrodes B, and the two infrared induction switches are controlled by the circuit board.

Preferably, a spare bin is further arranged in the brush handle and is mainly used for storing articles, and the toothbrush is convenient to carry in a trip or is transformed in a later period.

Preferably, the running roller top layer is food level rubber layer, and the last bump of densely laying of running roller circumference surface and capillary rubber strip, the bump is used for increasing surface friction, and the convenient tooth intertooth space gap of cleaning of capillary rubber strip.

Compared with the prior art, the utility model has the advantages of: the structure is reasonable, and the three rollers can clean teeth more thoroughly; the brush head is provided with two infrared inductive switches which are logically connected with a main switch on the brush handle, and the logical connection can enable the main switch to form three gears of power off, forced on and intelligent on, so as to adapt to the requirements of different states of applicable people.

Drawings

Fig. 1 is a schematic structural view of a three-roller electric toothbrush according to embodiment 1.

Fig. 2 is a schematic view of the structure of the brush head in fig. 1.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a partially enlarged view of a portion a in fig. 1.

Fig. 5 is a schematic structural view of a three-roller electric toothbrush according to embodiment 2.

Figure 6 is a schematic view of the brush head structure of figure 5.

Fig. 7 is a left side view of fig. 6.

Fig. 8 is a partial enlarged view of fig. 5 at B.

FIG. 9 is a schematic view of the structure of a roller in

embodiment

1 or 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-4 and 9, a three-roller electric toothbrush comprises a brush head 1, a brush handle 2 and a power system, wherein the brush head 1 is provided with an open slot, the open slot is divided into a roller chamber 102 and a gear chamber 103 by a partition plate 101, three rollers 104 which are in the same direction as the brush handle are arranged in the roller chamber 102 in parallel, the surface layers of the rollers 104 are food-grade rubber layers 7, salient points 1041 and capillary rubber strips 1042 are densely distributed on the circumferential surfaces of the rollers 104, the salient points 1041 are used for increasing surface friction, and the capillary rubber strips 1042 are used for cleaning gaps between teeth conveniently; two ends of the three rollers 104 are respectively provided with a rotating shaft 105, the rotating shaft 105 at one end of each roller 104 is respectively and rotatably connected with the partition plate 101 through a sealed bearing, and the rotating shaft at the other end of each roller 104 is respectively and rotatably connected to the wall of the roller chamber 102; three rotating shafts on the partition plate 101 penetrate through the partition plate 101 through a sealing bearing and extend into the gear chamber 103, gears 106 are fixedly mounted on the three rotating shafts in the gear chamber 103 respectively, and two adjacent gears 106 are meshed with each other; a sealing cover body 107 is arranged at the opening of the gear chamber 103, the sealing cover body 107 is fixedly sealed with the opening of the gear chamber through a screw or gluing mode, the brush head 1 is provided with a matched dustproof cover 108, and the dustproof cover 108 is detachably connected with the peripheral side wall of the brush head 1 through a fastening buckling mode;

a motor bin 201 and a battery bin 202 are arranged in the brush handle 2, and a through pipeline 203 is arranged in the brush handle;

the power system comprises a motor 301, a battery 302, a flexible shaft 303 and a main switch, wherein the motor 301 is fixed in a motor bin 201, the battery 302 is fixed in a battery bin 202, the main switch is arranged on the wall of the brush handle, the motor 301, the battery 302 and the main switch form a closed loop circuit, and a charging port for circularly charging the battery is arranged on the brush handle 2;

a rotating shaft 105 positioned in the middle of the gear chamber 103 extends outwards to penetrate through the wall of the brush head and extend out of a section of connecting shaft 109, and a circle of annular bulge 110 is arranged on the outer surface of the side brush head wall by taking the rotating shaft as the center; an annular groove 204 is formed in the end face of one end, connected with the brush head 1, of the brush handle 2, and the brush head 1 is detachably connected with the annular protrusion 110 through tight fit of the annular groove 204; the inner bottom surface of the annular groove 204 on the brush handle 2 is provided with a sealing plate 205 for sealing a middle through pipeline, a switching block 206 is arranged on the sealing plate 205 opposite to the connecting shaft, and the switching block 206 penetrates through the sealing plate 205 and is in rotary sealing connection with the sealing plate 205 through a bearing; the end face of the transfer block 206 facing the connecting shaft 109 is provided with a quick connecting hole matched with the connecting shaft, and the connecting shaft and the quick connecting hole are connected through a key; the flexible shaft 303 is arranged in the through pipe 203, one end of the flexible shaft 303 is fixedly connected with an output shaft of the motor 301, and the other end of the flexible shaft 303 is connected with one end of the adapter block 206, which is located on the side of the through pipe 203, through a coupling.

Example 2

As shown in fig. 5-9, a three-roller electric toothbrush comprises a brush head 1, a brush handle 2 and a power system, wherein the brush head 1 has an open slot, the open slot is divided into a roller chamber 102 and a gear chamber 103 by a partition plate 101, three rollers 104 are arranged in the roller chamber 102 in parallel and are in the same direction as the brush handle, the surface layer of the rollers 104 is a food-grade rubber layer 7, salient points 1041 and capillary rubber strips 1042 are densely distributed on the circumferential surface of the rollers 104, the salient points 1041 are used for increasing surface friction, and the capillary rubber strips 1042 are used for cleaning gaps between teeth conveniently; two ends of the three rollers 104 are respectively provided with a rotating shaft 105, the rotating shaft 105 at one end of each roller 104 is respectively and rotatably connected with the partition plate 101 through a sealed bearing, and the rotating shaft at the other end of each roller 104 is respectively and rotatably connected to the wall of the roller chamber 102; three rotating shafts on the partition plate 101 penetrate through the partition plate 101 through a sealing bearing and extend into the gear chamber 103, gears 106 are fixedly mounted on the three rotating shafts in the gear chamber 103 respectively, and two adjacent gears 106 are meshed with each other; a sealing cover body 107 is arranged at the opening of the gear chamber 103, the sealing cover body 107 is fixedly sealed with the opening of the gear chamber through a screw or gluing mode, the brush head 1 is provided with a matched dustproof cover 108, and the dustproof cover 108 is detachably connected with the peripheral side wall of the brush head 1 through a fastening buckling mode;

A circuit board 4 is further arranged in the brush handle 2, two infrared inductive switches 5 are arranged in the roller chamber 102, the two infrared inductive switches 5 are respectively arranged on the side walls of two ends of the roller chamber 102, and the two infrared inductive switches are connected with a main switch logic circuit to control the on and off of a motor;

two convex columns 6 are arranged on the sealing plate 205, an electrode A601 is respectively arranged on the two convex columns 6, two electrodes B111 corresponding to the position of the electrode A601 are arranged on the outer wall of the brush head, and the electrode A601 and the electrode B111 are contacted after the brush head 1 and the brush handle 2 are connected; the two electrodes A601 are respectively connected with positive and negative current, each infrared induction switch 5 is respectively connected with the two electrodes B111, and the two infrared induction switches 5 are controlled by the circuit board 4.

The logic circuit connection relation of the main switch and the two infrared induction switches is divided into three types, and the three types correspond to three gears on the main switch and are respectively power off, forced on and intelligent on; when the main switch is in the state of turning off the power supply, the power supply of the whole machine is turned off; when the main switch is in forced opening, the motor is directly started, the roller rotates, and the two infrared inductive switches are not started; when the main switch is in intelligent opening, the main switch and the two infrared inductive switches 5 of the brush head form a logic relation, namely the two infrared inductive switches 5 are connected with the main switch after being connected with each other, namely the two infrared inductive switches 5 and the main switch are in an opening state at the same time, and the motor can be started.

A spare bin 207 is further arranged in the brush handle 2, and the spare bin 207 is mainly used for storing articles and is convenient to carry in a trip or perform later-stage transformation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electric toothbrush with three rollers, includes brush head, brush holder and driving system, its characterized in that: the brush head is provided with an open slot, the inside of the open slot is divided into a roller chamber and a gear chamber by a partition plate, three rollers which are in the same direction with the brush handle are arranged in the roller chamber in parallel, two ends of each roller are respectively provided with a rotating shaft, the rotating shafts at one ends of the three rollers are respectively and rotatably connected with the partition plate through sealing bearings, and the rotating shafts at the other ends of the three rollers are respectively and rotatably connected to the wall of the roller chamber; three rotating shafts on the partition plate penetrate through the partition plate through a sealing bearing and extend into the gear chamber, gears are respectively arranged on the three rotating shafts in the gear chamber, and two adjacent gears are meshed with each other; the gear chamber opening is provided with a sealing cover body, and the brush head is provided with a matched dustproof cover;

2. The three-roller electric toothbrush according to claim 1, wherein: the brush handle is internally provided with a circuit board, the roller chamber is internally provided with two infrared inductive switches which are respectively arranged on the side walls of two ends of the roller chamber, and the two infrared inductive switches are connected with a main switch logic circuit to control the on-off of the motor;

3. The three-roller electric toothbrush according to claim 1 or 2, characterized in that: a standby bin is also arranged in the brush handle.

4. The three-roller electric toothbrush according to claim 1 or 2, characterized in that: the surface layer of the roller is a food-grade rubber layer, and salient points and capillary rubber strips are densely distributed on the circumferential surface of the roller.