CN215835228U

CN215835228U - Sound wave motor

Info

Publication number: CN215835228U
Application number: CN202122057930.9U
Authority: CN
Inventors: 禹涛; 王磊; 杜咸阳
Original assignee: Wansheng Electromechanical Shenzhen Co ltd
Current assignee: Wansheng Electromechanical Shenzhen Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-15
Anticipated expiration: 2031-08-30

Abstract

The utility model provides an acoustic motor, which comprises an acoustic motor body, wherein the acoustic motor body comprises a machine shell, a stator, an end cover and a rotor, the stator assembly is nested and installed in the machine shell, the rotor assembly is arranged in the stator assembly, a front bearing and a rear bearing are arranged in the machine shell, a shaft branch and a shaft coupling are arranged in the front bearing and the rear bearing, magnetic steel is installed at the outer end of the shaft coupling, a rear bearing and the end cover are arranged at the rear end of the shaft coupling, a solenoid improving part and an arc-shaped surface are arranged on the inner side of the stator, a front wire frame and a rear wire frame are respectively arranged at two ends of the shaft branch, coil windings are arranged at the outer ends of the front wire frame and the rear wire frame, and the magnetic steel is arranged on the outer surface of the shaft coupling.

Description

Sound wave motor

Technical Field

The utility model relates to the technical field of motors, in particular to a sound wave motor.

Background

The magnetic suspension motor is an electromagnetic device for converting or transmitting electric energy according to the law of electromagnetic induction, and the magnetic suspension motor can generate high-frequency vibration, so that the magnetic suspension motor is widely applied to aspects of electric toothbrushes, face cleaning and the like.

When a common magnetic suspension swing motor on the market generates high-frequency vibration, the left-right swing amplitude of the motor is very small, and the performance and the application of the motor are very limited, so that certain defects exist.

On the other hand, in the production process of the existing sound wave swing motor, the coil winding of the motor is difficult to wind, so that the assembly operation is difficult, the production efficiency of workers is reduced, and certain defects exist.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the sound wave motor to solve the problems in the background art, and the sound wave motor has higher running efficiency and precision and stronger stability, and saves the wire arranging time and the wire welding time consumed in production.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a sound wave motor, includes sound wave motor body, sound wave motor body includes casing, stator, end cover and rotor, stator module is installed to the inside nestification of casing, the inside rotor subassembly that has of stator module, inside front bearing and the rear bearing of being provided with of casing, inside journal and the coupling of being provided with of front bearing and rear bearing, the magnet steel is installed to the coupling outer end, the coupling rear end is provided with rear bearing and end cover, the stator inboard is provided with solenoid improvement department and arcwall face, the both ends of journal are provided with preceding line frame and back line frame respectively, preceding line frame and back line frame outer end are provided with coil winding, the coupling surface is provided with the magnet steel, the magnet steel outer end is provided with magnet steel improvement department.

In a preferred embodiment of the present invention, the stator is provided with copper sheet terminals on the top thereof, and the stator can wind the coil directly on the copper sheet before the winding is started.

As a preferred embodiment of the present invention, an arc-shaped surface is provided inside the stator assembly, and the angle of the arc-shaped surface is 10-83 °.

As a preferred embodiment of the present invention, the coil winding of the stator is set to 0.22/3UEW/75 turns.

In a preferred embodiment of the present invention, the size of the stator is 13-27mm, and the size of the magnetic steel improvement part is 14-30 mm.

As a preferred embodiment of the present invention, the rotor core is set to a size of 13 to 27 mm.

The utility model has the beneficial effects that: the utility model relates to an acoustic motor which comprises an acoustic motor body, wherein the acoustic motor body comprises a shell, a stator, a front bobbin improving part, a shaft branch, a shaft coupling, a front bearing, a rear bobbin improving part, magnetic steel, a copper sheet terminal, a rear bearing, an end cover, a coil improving part, a coil winding, an arc-shaped surface, a rotor and a magnetic steel improving part.

1. The structure of the sound wave motor is redesigned in principle, so that the swing amplitude of the motor is improved compared with the swing amplitude of a common sound wave motor in the operation process of the motor, the practical application of the motor is expanded, and the motor can exert the maximum performance and the motor application.

2. The rotor assembly part of the sound wave motor adopts the optimized reduced size to reduce the interference of the motor performance, and the magnetic installation of the motor rotor enables the motor to automatically return to the maximum after the motor rotates to the left and right swing process, thereby improving the stability and operability of the motor.

3. The motor of this sound wave motor designs the internal dimension and has not influenced the condition of performance and has carried out the extension under again, increases stator length to 21mm by 20.0mm, and increases to 75 circles with coil winding 64 circles, and increase moment when reducing the electric current again has improved the accuracy of motor structure more.

4. The acoustic wave motor is different from the traditional acoustic wave motor, the enameled wire outgoing line of the winding coil is directly connected with the copper sheet terminal on the wire frame, and the wire arranging time consumed in production and the wire welding time of a finished product motor are saved.

Drawings

FIG. 1 is an exploded view of an acoustic wave motor according to the present invention;

FIG. 2 is a schematic front view of an acoustic motor according to the present invention;

FIG. 3 is a schematic diagram of an arc-shaped side view of an acoustic motor according to the present invention;

FIG. 4 is a schematic diagram of a front view of a shaft coupling of an acoustic motor according to the present invention;

in the figure: 1. a housing; 2. a stator; 3. a front line frame improvement; 4. shaft branches; 5. shaft coupling; 6. a front bearing; 7. improving the rear wire rack; 8. magnetic steel; 9. a copper sheet terminal; 10. a rear bearing; 11. an end cap; 12. a coil improvement site; 13. a coil winding; 14. an arc-shaped surface; 15. a rotor; 16. magnetic steel improvement part.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a sound wave motor, includes the sound wave motor body, the sound wave motor body includes casing 1, stator 2, end cover 11 and

rotor

15, 1 inside nested stator 2 subassemblies of installing of casing, 2 subassemblies inside have rotor 15 subassemblies, 1 inside fore bearing 6 and the rear bearing 10 of being provided with of casing, fore bearing 6 and the inside axle of being provided with of rear bearing 10 are connected with the

axle

4 and 5, magnet steel 8 is installed to 5 outer ends of axle connection, 5 rear ends of axle connection are provided with rear bearing 10 and

end cover

11, 2 inboards of stator are provided with solenoid improvement department 12 and arcwall face 14, the both ends of axle branch 4 are provided with preceding line frame 3 and back line frame 7 respectively, preceding line frame 3 and back line frame 7 outer end are provided with coil winding 13, 5 surfaces of axle connection are provided with

magnet steel

8, 8 outer ends of magnet steel are provided with magnet steel improvement department 16.

In a preferred embodiment of the present invention, the stator 2 is approximately in the shape of an i, but has an arc shape in front and back, so that the outer arc is not changed, the arc length of the inner arc and the arc angle thereof are improved and reduced, the swing amplitude of the rotor 15 assembly and the stator 2 assembly is increased during the operation, and the high-frequency sound wave vibration is not influenced under the condition of the increase.

As a preferred embodiment of the utility model, in the assembly process of the shaft coupling 5, the assembly part of the shaft branch 4 needs to be provided with four flower outer diameters, if the size of the shaft coupling 5 is reduced, the product precision is higher, and therefore, the flower outer diameters of the shaft branch 4 are also reduced at the same time, so that the shaft coupling 5 is better assembled.

As a preferred embodiment of the utility model, after the arc length and the angle of the inner arc of the stator 2 are reduced, the winding time is greatly reduced in the winding process, half of labor cost is reduced before comparison, the overall cost of the acoustic wave motor is reduced through phase change, the rotor 15 component is composed of a magnetic steel 8, a shaft coupling 5 and a shaft branch 4, a horizontal reference surface and an outer side bulge are arranged on the iron core of the rotor 15 in the same axial direction of the arc bulge, the horizontal reference surface and the outer side bulge are respectively in symmetrical design with 2 horizontal reference surfaces and 2 outer side bulges, and the assembly precision of the acoustic wave motor is greatly improved through the arrangement of the arc bulge.

As a preferred embodiment of the utility model, the front and the rear wire racks are improved to be opened, the copper sheet terminal is tightly connected with the wire racks, the outgoing line of the winding is directly connected with the copper sheet terminal before the coil is wound, so that the wire arranging process of the traditional motor can be completely eliminated, the copper sheet terminal is directly welded after being connected with the copper sheet terminal, the copper sheet terminal directly extends out of the end cover 11 after the motor is assembled, the copper sheet terminal can be directly connected during testing and using, secondary welding is not needed, the bad wire breakage is improved, and the wire breakage caused during wire arranging and the wire breakage during circulation are fundamentally solved.

The working principle is as follows: the sound wave motor comprises a stator 2 assembly, a rotor 15 assembly, an end cover 11 assembly, a front ball bearing and a rear ball bearing, wherein when the stator 2 assembly is assembled, the front bearing 6 is stably pressed into a bearing chamber in a machine shell 1, a front wire frame 3 and a rear wire frame 7 are assembled on the stator 2 at the same time, and winding is carried out through a coil winding 13, at the same time, the assembled stator 2 assembly is pressed into the machine shell 1 to ensure stable use after the rotor 15 assembly is placed, when the rotor 15 assembly is assembled, four pieces of magnetic steel 8 are stably connected to a shaft coupling 5 according to an N pole and an S pole, at the same time, the inner side of the magnetic steel 8 is limited and installed through a shaft branch 4, at the same time, the stator 2 assembly and the rotor 15 assembly are stably connected through the limitation of the front bearing 6, at the moment, through the arrangement of the rear bearing 10 and the end cover 11, the rear end of the device can be directly and stably limited and clamped, the rotor 15 is fixed through the front and the rear bearings, the rotor 15 and the stator 2 are suspended in the static state in a stable axial direction, so that the device is stably and accurately installed, meanwhile, the size of the rotor 15 at the positions of the stator 2, the magnetic steel 8 and the shaft coupling 5 in the motor is reduced, the cost of partial materials is reduced, the precision of the motor structure is improved, when the sound wave motor is electrified, the swing amplitude of the motor is increased in the operation process of the rotor 15 assembly and the stator 2 assembly through the improvement and reduction of the arc length of the inner arc of the arc surface 14 and the arc angle of the inner arc, the high-frequency sound wave vibration of the motor is not influenced under the condition of increase, the practicability of the motor is expanded, in the left-right swing process of the motor, the rotor 15 can be automatically returned after the motor is rotated to the maximum limit through the magnetic installation of the motor rotor 15, the stability and the operability of motor have been improved, and this sound wave motor is when production, and the stator winding will be directly fuses into an organic whole with whole stator 2 subassembly, and after the motor equipment, copper sheet terminal 9 directly stretches out end cover 11, but lug connection copper sheet terminal 9 when the device circular telegram.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An acoustic motor, includes the acoustic motor body, its characterized in that: the sound wave motor body comprises a housing (1), a stator (2), an end cover (11) and a rotor (15), wherein the stator (2) component is installed in the housing (1) in an embedded mode, the rotor (15) component is arranged in the stator (2), a front bearing (6) and a rear bearing (10) are arranged in the housing (1), a shaft branch (4) and a shaft coupling (5) are arranged in the front bearing (6) and the rear bearing (10), magnetic steel (8) is installed at the outer end of the shaft coupling (5), the rear end of the shaft coupling (5) is provided with the rear bearing (10) and the end cover (11), a coil improving part (12) and an arc-shaped surface (14) are arranged on the inner side of the stator (2), a front coil holder (3) and a rear coil holder (7) are arranged at the two ends of the shaft branch (4) respectively, and coil windings (13) are arranged at the outer ends of the front coil holder (3) and the rear coil holder (7), the outer surface of the shaft coupling (5) is provided with magnetic steel (8), and the outer end of the magnetic steel (8) is provided with a magnetic steel improvement part (16).

2. The acoustic motor of claim 1, wherein: the top of the stator (2) is provided with a copper sheet terminal (9), and the stator (2) can directly wind a coil on a copper sheet before winding.

3. The acoustic motor of claim 1, wherein: an arc-shaped surface (14) is arranged in the stator (2) assembly, and the angle of the arc-shaped surface (14) is 10-83 degrees.

4. The acoustic motor of claim 1, wherein: the coil winding (13) of the stator (2) is set to 0.22/3UEW/75 turns.

5. The acoustic motor of claim 1, wherein: the size of the stator (2) is 13-27mm, and the size of the magnetic steel improvement part (16) is 14-30 mm.

6. The acoustic motor of claim 1, wherein: the size of the iron core of the rotor (15) is set to be 13-27 mm.