CN218106119U

CN218106119U - Double-motor electric toothbrush

Info

Publication number: CN218106119U
Application number: CN202221824588.9U
Authority: CN
Inventors: 尹秀兰
Original assignee: Shanghai Cangdao Digital Technology Co ltd
Current assignee: Shanghai Cangdao Digital Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-23
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a bi-motor electric toothbrush, including shell, brush head, first motor and second motor, the brush head is located the shell top, and first motor and second motor set up in the shell, and first motor can drive the horizontal vibrations of brush head, and the second motor can drive the vertical vibrations of brush head, first motor is shock dynamo, and shock dynamo's output shaft and brush head are connected, the second motor is rotating electrical machines, is connected with the eccentric wheel on the output shaft of second motor, and the second motor is connected with first motor, and the second motor can drive the vertical vibrations of first motor, still includes fixed base station and mounting bracket, first motor and second motor all set up on the mounting bracket, and it has the guiding hole to open on the fixed base station, and the mounting bracket passes the guiding hole, is provided with return mechanism between mounting bracket and the fixed base station, and this device can realize the horizontal and vertical vibrations of brush head when not increasing the shell volume, improves the clean effect of toothbrush.

Description

Double-motor electric toothbrush

Technical Field

The utility model relates to the technical field of articles for daily use, concretely relates to bi-motor electric toothbrush.

Background

The electric toothbrush has the function of automatically cleaning teeth, has a good cleaning effect, is more and more favored by consumers, and through the quick rotation and vibration of the motor core, the electric toothbrush enables the brush head to generate high-frequency vibration, so that the toothpaste is instantly decomposed into fine foam, and the gaps between the teeth are cleaned along with the high-frequency action of the electric toothbrush.

At present, the traditional electric toothbrush can only provide the function of brushing teeth in one vibration direction, for example, the toothbrush head vibrates transversely to clean the teeth, and the all-round cleaning can not be realized.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a bi-motor electric toothbrush, this device can realize the horizontal and vertical vibrations of brush head to improve the clean effect of toothbrush.

The utility model provides a bi-motor electric toothbrush, includes shell, brush head, first motor and second motor, the brush head is located the shell top, and first motor and second motor set up in the shell, and first motor can drive the horizontal vibrations of brush head, and the second motor can drive the vertical vibrations of brush head.

Preferably, the first motor is a vibration motor, an output shaft of the vibration motor is connected with the brush head, the second motor is a rotating motor, an eccentric wheel is connected to an output shaft of the second motor, the second motor is connected with the first motor, and the second motor can drive the first motor to vibrate longitudinally.

Preferably, still including fixed base station and mounting bracket, first motor and second motor all set up on the mounting bracket, and it has the guiding hole to open on the fixed base station, and the mounting bracket passes the guiding hole, is provided with return mechanism between mounting bracket and the fixed base station.

Preferably, a fixing plate is arranged on the fixing base platform, the return mechanism comprises at least one spring, and two ends of the spring are connected with the fixing plate and the mounting frame respectively.

Preferably, the fixed base station is provided with a fixed plate and an installation plate, the fixed plate is provided with a through hole, the return mechanism is an elastic column, two ends of the elastic column are respectively connected with the installation plate and the installation frame, the elastic column penetrates through the through hole, and a gap is formed between the elastic column and the side wall of the through hole.

Preferably, the mounting frame is provided with at least one guide post, and the guide post movably penetrates through the fixing plate.

Preferably, the fixed base station is provided with a mounting plate, the return mechanism is an elastic support, and two ends of the elastic support are respectively connected with the mounting frame and the mounting plate.

Preferably, the output shaft of the first motor penetrates through a through hole in the top of the housing, an elastic sealing ring is sleeved on the output shaft of the first motor, and the outer circumferential wall of the elastic sealing ring is in interference fit with the circumferential wall of the through hole.

Preferably, the elastic sealing ring is provided with a protruding part, and the top wall of the protruding part is in contact with the inner top wall of the shell.

Preferably, a battery mounting frame is further arranged in the shell, the battery is fixed on the battery mounting frame, and the battery supplies power to the first motor and the second motor.

The beneficial effects of the utility model embody: according to the technical scheme, the first motor and the second motor are arranged in the shell, the first motor can drive the brush head to move transversely, the first motor is mainly responsible for the tooth cleaning effect, the second motor can drive the brush head to move longitudinally, the cleaning area of the brush head is increased, and the first motor and the second motor are matched to improve the tooth cleaning effect of the brush head; first motor adopts shock dynamo, and the second motor adopts rotating electrical machines to through the cooperation with fixed base station, mounting bracket, return mechanism, can reduce the space that occupies, realize the horizontal vibrations and the vertical vibrations of brush head when not increasing the shell volume, satisfy consumer's user demand.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of embodiment 2;

FIG. 3 is a schematic view of the internal structure of embodiment 3;

fig. 4 is a schematic view of the internal structure of embodiment 4.

In the attached figure, 1-a shell, 2-a brush head, 3-a first motor, 4-a second motor, 5-an eccentric wheel, 6-a fixed base station, 7-a mounting frame, 8-a guide hole, 9-a fixed plate, 10-a guide column, 11-a spring, 12-a mounting plate, 13-an elastic column, 14-an elastic bracket, 15-an elastic sealing ring and 16-a protrusion.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1

As shown in fig. 1-4, the present embodiment provides a dual-motor electric toothbrush, which includes a housing 1, a brush head 2, a first motor 3 and a second motor 4, wherein the brush head 2 is located above the housing 1, the first motor 3 and the second motor 4 are disposed in the housing 1, the first motor 3 can drive the brush head 2 to vibrate transversely, and the second motor 4 can drive the brush head 2 to vibrate longitudinally.

Set up first motor 3 and second motor 4 in shell 1 in this embodiment, first motor 3 can drive brush head 2 seesaw, and first motor 3 mainly is responsible for the clean efficiency of tooth, and second motor 4 can drive brush head 2 longitudinal motion, strengthens brush head 2's clean area, and first motor 3 and the cooperation of second motor 4 promote the clean effect of brush head 2 to the tooth.

In this embodiment, the first motor 3 is a vibration motor, an output shaft of the vibration motor is connected with the brush head 2, the second motor 4 is a rotating motor, an output shaft of the second motor 4 is connected with an eccentric wheel 5, the second motor 4 is connected with the first motor 3, and the second motor 4 can drive the first motor 3 to vibrate longitudinally.

In this embodiment, the first motor 3 is a vibration motor, the second motor 4 is a rotation motor, an output shaft of the first motor 3 can move back and forth, and further drives the brush head 2 to vibrate back and forth, the second motor 4 is a rotation motor, an output shaft of the rotation motor is horizontally arranged, an output shaft of the second motor 4 can rotate, an eccentric wheel 5 is connected to an output shaft of the second motor 4, when the second motor 4 is started, centrifugal force is generated when the eccentric wheel 5 rotates, at the moment, the first motor 3 is slidably arranged in the housing 1, the centrifugal force can drive the first motor 3 to move up and down, the second motor 4 drives the first motor 3 to move up and down in a rotation motor mode, and the first motor has the advantages that the size of the rotation motor can be smaller than that of the vibration motor, the rotation motor can be better installed in the inner cavity of the housing 1 with a limited size, if the second motor 4 also adopts the vibration motor, the size of the housing 1 needs to be enlarged again, and thus, a user can not conveniently hold the housing 1 for vibration.

Still including fixed base station 6 and mounting bracket 7 in this embodiment, first motor 3 and second motor 4 all set up on mounting bracket 7, and it has guiding hole 8 to open on fixed base station 6, and mounting bracket 7 passes guiding hole 8, is provided with return mechanism between mounting bracket 7 and the fixed base station 6.

Set up fixed base station 6 and mounting bracket 7 in shell 1 in this embodiment, wherein first motor 3 and second motor 4 are all fixed on mounting bracket 7, mounting bracket 7 passes the guiding hole 8 on the fixed base station 6, guiding hole 8 restricts mounting bracket 7 and can only up-and-down motion, second motor 4 is when work like this, can drive mounting bracket 7 and first motor 3 up-and-down motion, set up return mechanism simultaneously between mounting bracket 7 and fixed base station 6, realize the upper and lower vibrations and the return of mounting bracket 7, because second motor 4 adopts the rotating electrical machines, the size is less, this kind of mounting means, second motor 4 can be laid along the optional position of the circumference of mounting bracket 7.

In this embodiment, the output shaft of the first motor 3 passes through the through hole at the top of the housing 1, the output shaft of the first motor 3 is sleeved with the elastic sealing ring 15, and the outer circumferential wall of the elastic sealing ring 15 is in interference fit with the circumferential wall of the through hole. In this embodiment, the elastic sealing ring 15 has a protrusion 16, and a top wall of the protrusion 16 contacts with an inner top wall of the housing 1. In this embodiment, the elastic sealing ring 15 is a rubber ring.

In the process of brushing teeth, water and foam are arranged on the brush head 2, in order to guarantee transverse vibration and longitudinal vibration of the brush head 2, a gap is formed between an output shaft of the first motor 3 and a through hole in the top of the shell 1, so that the water and the foam on the brush head 2 can enter the shell 1 along the brush head 2, and parts in the shell 1 are damaged.

In this embodiment, a battery mounting bracket is further disposed in the housing 1, the battery is fixed on the battery mounting bracket, the battery supplies power to the first motor 3 and the second motor 4, a control circuit board is further disposed in the housing 1, and the housing 1 is provided with a control button.

Example 2

The embodiment is further limited on the basis of embodiment 1, in this embodiment, the fixing base 6 is provided with a fixing plate 9, the return mechanism includes at least one spring 11, and both ends of the spring 11 are respectively connected with the fixing plate 9 and the mounting frame 7. In this embodiment, the mounting frame 7 is provided with at least one guiding post 10, and the guiding post 10 movably penetrates through the fixing plate 9.

In this embodiment, the movement and the return of the mounting frame 7 are realized by the elastic restoring force of the spring 6, and the up-and-down movement of the mounting frame 7 is further guided by the guide post 10, so that the movement of the mounting frame 7 is more stable. In this embodiment, the number of the springs 6 and the number of the guide posts 10 are four, one guide post 10 correspondingly penetrates through one spring 6, and the spring 6 is made of steel.

Example 3

The embodiment is further limited on the basis of embodiment 1, in this embodiment, the fixing base 6 is provided with a fixing plate 9 and a mounting plate 12, a through hole is formed in the fixing plate 9, the returning mechanism is an elastic column 13, two ends of the elastic column 13 are respectively connected with the mounting plate 12 and the mounting frame 7, the elastic column 13 penetrates through the through hole, and a gap is formed between the elastic column 13 and a side wall of the through hole. In this embodiment, the mounting frame 7 is provided with at least one guiding post 10, and the guiding post 10 movably penetrates through the fixing plate 9.

In this embodiment, the elastic column 13 is a main body made of an elastic material, such as a rubber cylinder, and the movement and the return of the mounting frame 7 are realized by using the elastic restoring force of the elastic column 13, and the up-and-down movement of the mounting frame 7 is further limited by the arrangement of the guide column 10, so that the movement of the mounting frame 7 is more stable.

Example 4

The present embodiment is further limited by embodiment 1, in which the fixing base 6 is provided with a mounting plate 12, the return mechanism is an elastic support 14, and both ends of the elastic support 14 are respectively connected with the mounting frame 7 and the mounting plate 12.

In this embodiment, the elastic support 14 is made of an elastic material, such as an elastic rubber support, and the movement and the return of the mounting frame 7 are realized by using the elastic restoring force of the elastic support 14.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a bi-motor electric toothbrush, its characterized in that, includes shell (1), brush head (2), first motor (3) and second motor (4), brush head (2) are located shell (1) top, and first motor (3) and second motor (4) set up in shell (1), and first motor (3) can drive brush head (2) and transversely shake, and second motor (4) can drive brush head (2) and vertically shake.

2. The dual-motor electric toothbrush according to claim 1, wherein the first motor (3) is a vibration motor, an output shaft of the vibration motor is connected with the toothbrush head (2), the second motor (4) is a rotating motor, an eccentric wheel (5) is connected with an output shaft of the second motor (4), the second motor (4) is connected with the first motor (3), and the second motor (4) can drive the first motor (3) to vibrate longitudinally.

3. The dual-motor electric toothbrush according to claim 2, further comprising a fixing base (6) and a mounting frame (7), wherein the first motor (3) and the second motor (4) are both disposed on the mounting frame (7), a guide hole (8) is formed in the fixing base (6), the mounting frame (7) penetrates through the guide hole (8), and a return mechanism is disposed between the mounting frame (7) and the fixing base (6).

4. The dual-motor electric toothbrush according to claim 3, wherein the fixing base (6) is provided with a fixing plate (9), the return mechanism comprises at least one spring (11), and two ends of the spring (11) are respectively connected with the fixing plate (9) and the mounting frame (7).

5. The dual-motor electric toothbrush according to claim 3, wherein the fixing base (6) is provided with a fixing plate (9) and a mounting plate (12), the fixing plate (9) is provided with a through hole, the return mechanism is an elastic column (13), two ends of the elastic column (13) are respectively connected with the mounting plate (12) and the mounting frame (7), the elastic column (13) penetrates through the through hole, and a gap is formed between the elastic column (13) and the side wall of the through hole.

6. The dual-motor electric toothbrush according to any one of claims 4 or 5, wherein the mounting frame (7) is provided with at least one guide post (10), and the guide post (10) movably penetrates through the fixing plate (9).

7. The dual-motor electric toothbrush according to claim 3, wherein the fixing base (6) is provided with a mounting plate (12), the return mechanism is an elastic support (14), and two ends of the elastic support (14) are respectively connected with the mounting frame (7) and the mounting plate (12).

8. The dual-motor electric toothbrush according to claim 2, wherein the output shaft of the first motor (3) passes through a through hole at the top of the housing (1), an elastic sealing ring (15) is sleeved on the output shaft of the first motor (3), and the outer circumferential wall of the elastic sealing ring (15) is in interference fit with the circumferential wall of the through hole.

9. A dual motor electric toothbrush according to claim 8, characterized in that the elastic sealing ring (15) has a protrusion (16) thereon, and a top wall of the protrusion (16) is in contact with an inner top wall of the housing (1).

10. A dual-motor electric toothbrush according to claim 1, characterized in that a battery mounting is further provided in the housing (1), the battery being fixed to the battery mounting, the battery supplying power to the first motor (3) and the second motor (4).