CN210903456U

CN210903456U - Electric toothbrush

Info

Publication number: CN210903456U
Application number: CN201921003248.8U
Authority: CN
Inventors: 刘应
Original assignee: Shenzhen Baiwei Electrical Appliance Co ltd
Current assignee: ZHONGSHAN BEIJIE BRUSH INDUSTRY Co.,Ltd.
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-07-03
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses an electric toothbrush, the main body part of which is formed by connecting an installation framework, a battery, a circuit board, a driving motor, a motor positioning frame and a brush rod, the brush rod is provided with brush hair, the circuit board is provided with a button, wherein the driving motor is formed by combining a silicon steel sheet, a bracket and a steel shaft, the silicon steel sheet is arranged outside the bracket, the steel shaft penetrates out from the middle part of the bracket and is movably connected with the bracket, and the penetrating part of the steel shaft is connected with the brush rod; the utility model aims at providing an electric toothbrush, aim at making driving motor's accessories assembly on the support, realize that the noise is little, the stable function of vibration.

Description

Electric toothbrush

Technical Field

The utility model belongs to the technical field of electric toothbrush technique and specifically relates to an electric toothbrush is related to.

Background

The electric toothbrush makes the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, the mixture of toothpaste and water in the oral cavity generates a large amount of tiny bubbles through vibration for more than 30000 times per minute, the pressure generated when the bubbles burst can go deep into the slits between the teeth to clean dirt, and meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity and has the massage effect on the gum tissue. Experiments prove that the electric toothbrush can remove 38% more dental plaque than a manual toothbrush, and therefore the electric toothbrush can be more and more valued in the future.

Most of electric toothbrushes on the existing market adopt a driving motor (consisting of an aluminum shell, an upper cover, a lower cover, a silicon steel sheet and a steel shaft) and a main body support separation type combination, so that the cost of the motor and the overall assembly cost of the toothbrush are increased, and in the motor vibration process, gaps existing between the upper cover and the lower cover and the aluminum shell can cause the occurrence of large noise and instability due to high matching precision between the upper cover and the lower cover and the aluminum shell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, provide an electric toothbrush, aim at making driving motor's accessories assembly on the support, realize that the noise is little, the stable function of vibration.

For the purpose of realizing above, the utility model discloses a technical scheme be, its main part is formed by installing skeleton, battery, circuit board, driving motor, motor locating rack and brush-holder stud connection, be provided with the brush hair on the brush-holder stud, be provided with the button on the circuit board, wherein driving motor is formed by silicon steel sheet, support and steel axle combination, and the silicon steel sheet is installed in the support outside, and the steel axle is worn out from the support middle part and is connected the brush-holder stud with support swing joint, its portion of wearing out.

Further, the support is a circular cylinder, the two sides of the support extend outwards to form protruding blocks, supporting plates of arc structures are arranged on the protruding blocks, the supporting plates, the protruding blocks and the cylinder are integrally formed, sockets penetrating the protruding blocks and the cylinder are formed in the supporting plates, a plug board is arranged on the silicon steel sheet, the silicon steel sheet is made to form an m-shaped structure, and the plug board and the sockets are installed on the support in a matched mode.

Furthermore, a step plane is transversely cut at the upper end of the cylinder body, an installation block which slides into the motor positioning frame is arranged on the step plane, and an installation hole fixedly connected with the motor positioning frame is formed in the installation block.

Furthermore, a notch groove is formed in the supporting plate.

Furthermore, the driving motor further comprises a damping piece wound between the silicon steel sheet and the support.

Furthermore, the damping piece is a cloth adhesive tape.

Compared with the prior art, the utility model, the beneficial effects are that:

1. the driving motor removes an outer aluminum shell and an upper cover and a lower cover, so that the assembly cost and the material cost are saved, and the phenomenon of motor instability caused by poor shell is reduced.

2. In the assembling process of the driving motor and the bracket, 3 materials are saved, the assembling process is simplified, and the efficiency is higher.

3. Because the driving motor does not have an aluminum shell, an upper cover and a lower cover, the later repair is simpler and more convenient.

4. The arrangement of the damping piece cloth adhesive tape avoids rigid contact between the silicon steel sheet and the support, and has a certain buffering effect on vibration generated by the steel shaft.

5. Other advantages of the present invention will be further explained in the detailed description of the invention.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention.

Fig. 2 is a schematic view of the local structure after the transfer of the present invention.

Fig. 3 is a schematic view of a connection structure between a driving motor and a motor positioning frame.

Fig. 4 is a schematic structural view of a silicon steel sheet mounted on a bracket.

Fig. 5 is a schematic perspective view of the stent.

Fig. 6 is a front view of the drive motor.

The text labels in the figures are represented as: 10. installing a framework; 20. a battery; 30. a circuit board; 31. pressing a key; 40. a drive motor; 41. silicon steel sheets; 42. a support; 43. a steel shaft; 44. a shock absorbing member; 50. a motor positioning frame; 51. positioning holes; 60. a brush bar; 411. inserting plates; 421. a barrel; 422. a step plane; 423. mounting blocks; 424. mounting holes; 425. a bump; 426. a supporting plate; 427. a notch groove; 428. and (4) inserting the socket.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Referring to fig. 1 and 2, a schematic view of a connection structure of components inside an electric toothbrush provided by the present invention is shown;

the utility model discloses an electric toothbrush, the main body part of which is formed by connecting an installation framework 10, a battery 20, a circuit board 30, a driving motor 40, a motor positioning frame 50 and a brush rod 60, wherein brush hair is arranged on the brush rod 60, and a key 31 is arranged on the circuit board 30;

specifically, please refer to fig. 3 to 5; the driving motor 40 is formed by combining a silicon steel sheet 41, a bracket 42 and a steel shaft 43, wherein the silicon steel sheet 41 is arranged on the outer side of the bracket 42, the steel shaft 43 penetrates out from the middle part of the bracket 42 to be movably connected with the bracket 42, and the penetrating part of the steel shaft is connected with a brush rod 60; during assembly, the outer aluminum shell and the upper and lower covers are removed, the parts such as the steel shaft 43 and the silicon steel sheet 41 of the driving motor 40 are directly assembled on the support 42 and then connected with the motor positioning frame 50, so that the driving motor 40 and the support 42 are integrated, and the effects of reducing cost and damping are achieved.

Preferably, the bracket 42 and the silicon steel sheet 41 have a specific structure that the bracket 42 is a circular cylinder 421, the two sides of the bracket extend outward to form a protrusion 425, the protrusion 425 is provided with a supporting plate 426 having an arc structure, so that the supporting plate 426, the protrusion 425 and the cylinder 421 are integrally formed, the whole bracket 42 is preferably made of a plastic material, and the supporting plate 426 is provided with a socket 428 penetrating the protrusion 425 and the cylinder 421, so as to facilitate the insertion of the middle insertion plate 411 of the m-shaped silicon steel sheet 41, but the silicon steel sheet 41 may have other shapes, so that the silicon steel sheet is matched and connected with a limit groove arranged at a corresponding position of the bracket 42, thereby facilitating the assembly.

In order to quickly mount the bracket 42 on the motor positioning frame 50, a horizontal step plane 422 is transversely cut at the upper end and the lower end of the cylinder 421, a sliding groove which slides into the motor positioning frame 50 is arranged on the step plane 422, and a mounting block 423 which is matched and fixed with the motor positioning frame 50 is arranged on the mounting block 423, a mounting hole 424 which is fixedly connected with the motor positioning frame 50 is arranged on the mounting block 423, and the bracket 42 and the motor positioning frame 50 are connected into a whole through a locking bolt.

Preferably, in order to ensure the accurate installation position and the stability of the silicon steel sheets 41, a gap 427 is formed on the supporting plate 426 for quick assembly.

The utility model discloses can also set up damper 44 between silicon steel sheet 41 and support 42, for example twine one deck or multilayer cloth sticky tape between the two, make to have the one deck buffer layer between silicon steel sheet 41 and the support 42, avoid the rigid contact, be favorable to reducing the vibration of electric toothbrush on the handle in the use to and the noise that produces when the motor vibration touches.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides an electric toothbrush, its main part is formed by connecting installation skeleton (10), battery (20), circuit board (30), driving motor (40), motor locating rack (50) and brush-holder stud (60), be provided with the brush hair on brush-holder stud (60), be provided with button (31) on circuit board (30), its characterized in that, wherein driving motor (40) are formed by silicon steel sheet (41), support (42) and steel axle (43) combination, and silicon steel sheet (41) are installed in support (42) outside, and steel axle (43) are worn out from support (42) middle part and are connected with support (42) swing joint, and it is worn out the position and is connected brush-holder stud (60).

2. The electric toothbrush according to claim 1, wherein the bracket (42) is a circular cylinder (421), the two sides of the circular cylinder extend outward to form the protrusion (425), the protrusion (425) is provided with a support plate (426) having an arc structure, the support plate (426), the protrusion (425) and the cylinder (421) are integrally formed, the support plate (426) is provided with a socket (428) penetrating the protrusion (425) and the cylinder (421), the silicon steel sheet (41) is provided with an insert plate (411) so that the silicon steel sheet (41) forms an m-shaped structure, and the insert plate (411) and the socket (428) are mounted on the bracket (42) in a matching manner.

3. The electric toothbrush according to claim 2, wherein a step plane (422) is transversely cut at the upper end of the cylinder (421), a mounting block (423) sliding into the motor positioning frame (50) is arranged on the step plane (422), and a mounting hole (424) fixedly connected with the motor positioning frame (50) is formed in the mounting block (423).

4. The electric toothbrush as claimed in claim 2, wherein the supporting plate (426) is provided with a gap groove (427).

5. The electric toothbrush according to any one of claims 1 to 4, wherein the driving motor (40) further comprises a shock absorbing member (44) wound between the silicon steel sheet (41) and the bracket (42).

6. An electric toothbrush according to claim 5, characterised in that the shock absorbing member (44) is a cloth tape.