CN211908615U

CN211908615U - Novel sound wave motor

Info

Publication number: CN211908615U
Application number: CN202020866749.5U
Authority: CN
Inventors: 何振高
Original assignee: Zhejiang Dongyang Dongci Chengji Electronics Co Ltd
Current assignee: Zhejiang Dongyang Dongci Chengji Electronics Co Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-11-10
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a novel sound wave motor, including the casing, be equipped with stator module on the inner wall of casing, stator module's inside is equipped with the rotor subassembly, and one side of casing is connected with the end cover, and the rotor subassembly rotates with end cover and casing to be connected, and stator module includes stator core, coil and around the core, and wherein, stator core connects on the inner wall of casing, and stator core is hollow cylinder structure, and equidistant being equipped with is three around the core on stator core's the inner wall, and the winding has coil, three coil parallel connection on the core. The utility model makes full use of the internal space of the casing, and three coils are arranged in the casing and connected in parallel, so that stronger electric field can be generated when the coils are electrified, and the torque is increased; the utility model discloses set up three magnet steel on rotor core, strengthened driving magnetic field to make moment obtain the maximize.

Description

Novel sound wave motor

Technical Field

The utility model belongs to the technical field of the sound wave motor, concretely relates to novel sound wave motor.

Background

The sound wave motor is an electromagnetic device which realizes electric energy conversion or transmission according to the electromagnetic induction law, has the main function of generating driving torque, and can be used as a power source of electric appliances or various machines, such as an electric motor core of an electric toothbrush. After the sound wave motor is electrified, the sound wave motor circularly moves to generate high-frequency vibration under the control of the control circuit, and then the toothbrush head is driven to generate high-frequency vibration.

Along with the development of consumer electronics, the requirement on the vibration effect of the sound wave motor is higher and higher, the sound wave motor in the prior art only has a pair of polar plates, the torque generated by working is small, and the requirements of customers cannot be met more and more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel sound wave motor to solve the problem that proposes among the above-mentioned background art. The utility model provides a pair of novel sound wave motor has the increase of messenger's moment, the effectual characteristics of vibration.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel sound wave motor, includes the casing, is equipped with stator module on the inner wall of casing, stator module's inside is equipped with the rotor subassembly, and one side of casing is connected with the end cover, and the rotor subassembly rotates with end cover and casing to be connected, and stator module includes stator core, coil and around the core, and wherein, stator core connects on the inner wall of casing, and stator core is hollow cylinder structure, and equidistant being equipped with is three around the core on stator core's the inner wall, and the winding has coil, three coil parallel connection on the core.

The utility model discloses in furtherly, the one side of keeping away from stator core around the core is connected with the polar plate, and the polar plate is convex structure.

In the utility model, furthermore, a gap is arranged at the middle position of the polar plate.

The utility model discloses in furtherly, the rotor subassembly includes rotor core, magnet steel and pivot, wherein, is equipped with rotor core on the circumference of pivot, equidistant three magnet steel that is equipped with on rotor core's the circumference.

The utility model discloses in furtherly, the pivot passes through interference fit with rotor core and is connected.

The utility model discloses in furtherly, be connected with the bearing in the pivot, the pivot is passed through the bearing and is connected with end cover and casing rotation.

The utility model discloses in furtherly, stator core, polar plate and around the core structure as an organic whole.

The utility model discloses in furtherly, stator core, polar plate and around the core be the magnetic conduction component.

The utility model discloses in furtherly, novel sound wave motor's implementation method, including following step:

(I) a stator assembly: the stator core, the pole plate and the winding cores are punched and formed by magnetic conductive materials, coils are wound on the three winding cores in the same direction, and the three coils are connected in parallel;

(II) a rotor assembly: the rotor core is connected with the rotating shaft in an interference fit manner, and three magnetic steels are adhered to the circumference of the rotor core at equal intervals through glue;

(III) assembling: the stator core is adhered to the inner wall of the shell through glue, the rotating shaft is rotatably connected with the end cover and the shell through a bearing, and the end cover is buckled on the shell;

the magnetic steel provides a driving magnetic field for the motor, an electric field is generated when the coil is electrified, and the electric field and the magnetic field interact to drive the rotor assembly to rotate;

and fifthly, when the current is changed, the magnetic poles of the magnetic field generated by the coil are changed, so that driving forces in different directions are generated, the rotor assembly rotates forwards and backwards continuously, and vibration is generated.

The utility model discloses in furtherly, novel sound wave motor's implementation method, one side of keeping away from stator core around the core is connected with the polar plate, the polar plate is convex structure, the intermediate position of polar plate is equipped with the breach, the rotor subassembly includes rotor core, magnet steel and pivot, wherein, be equipped with rotor core on the circumference of pivot, equidistant three magnet steel that is equipped with on rotor core's the circumference, the pivot passes through interference fit with rotor core and is connected, be connected with the bearing in the pivot, the pivot is passed through the bearing and is connected with end cover and casing rotation, stator core, the polar plate and around the core be the integrated into one piece structure, stator core, the polar plate and around the core be the magnetic conduction component.

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

1. the utility model makes full use of the internal space of the casing, and three coils are arranged in the casing and connected in parallel, so that stronger electric field can be generated when the coils are electrified, and the torque is increased;

2. the utility model arranges three magnetic steels on the rotor core, which strengthens the driving magnetic field, thereby maximizing the torque;

3. the utility model discloses a carry out reasonable improvement to stator module and rotor subassembly, make moment obtain the maximize to the vibration effect that makes the motor is better.

Drawings

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

FIG. 2 is a schematic cross-sectional structural view of the present invention;

fig. 3 is a schematic structural view of the stator assembly of the present invention;

fig. 4 and 5 are schematic structural views of the rotor assembly of the present invention;

fig. 6 and 7 are schematic views of the rotor assembly of the present invention in different rotational directions;

in the figure: 1. a housing; 2. an end cap; 3. a stator assembly; 31. a stator core; 32. a coil; 33. a polar plate; 34. winding the core; 35. a notch; 4. a rotor assembly; 41. a rotor core; 42. magnetic steel; 43. a rotating shaft; 44. and a bearing.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a novel sound wave motor, which comprises a housing 1, be equipped with stator module 3 on the inner wall of casing 1, stator module 3's inside is equipped with rotor subassembly 4, one side of casing 1 is connected with end cover 2, rotor subassembly 4 rotates with end cover 2 and casing 1 to be connected, stator module 3 includes stator core 31, coil 32 and around core 34, wherein, stator core 31 connects on the inner wall of casing 1, stator core 31 is hollow cylinder structure, equidistant three core 34 that winds that is equipped with on stator core 31's the inner wall, it has coil 32 to wind the winding on core 34, three coil 32 parallel connection.

Furthermore, a pole plate 33 is connected to one side of the winding core 34 away from the stator core 31, and the pole plate 33 is in an arc-shaped structure.

Through adopting above-mentioned technical scheme, polar plate 33 can protect coil 32, prevents that rotor assembly 4 from rotating in-process and coil 32 friction, leads to coil 32 fracture to the life of motor has been increased.

Further, rotor subassembly 4 includes rotor core 41, magnet steel 42 and pivot 43, wherein, is equipped with rotor core 41 on the circumference of pivot 43, and the equidistant three magnet steel 42 that is equipped with of circumference of rotor core 41, and pivot 43 passes through interference fit with rotor core 41 and is connected.

Through adopting above-mentioned technical scheme, magnet steel 42 bonds on rotor core 41's circumference through glue, provides driving magnetic field for the motor.

Further, a bearing 44 is connected to the rotating shaft 43, and the rotating shaft 43 is rotatably connected to the end cover 2 and the housing 1 through the bearing 44.

By adopting the technical scheme, the rotor assembly 4 can rotate in the shell 1.

Further, the stator core 31, the pole plate 33 and the winding core 34 are integrally formed, and the stator core 31, the pole plate 33 and the winding core 34 are all magnetic conductive members.

By adopting the above technical scheme, the stator core 31, the pole plate 33 and the winding core 34 all adopt the silicon iron soft magnetic alloy with low carbon content, and the preferred silicon steel sheet of this embodiment.

Example 2

The present embodiment is different from embodiment 1 in that: further, a notch 35 is formed at a middle position of the plate 33.

By adopting the technical scheme, under normal conditions, when the coil 32 is electrified, the polar plate 33 can generate a corresponding magnetic field and is uniformly distributed on the surface of the polar plate 33; due to the provision of the gap 35, two magnetic fields can be formed on the surface of the plate 33 bounded by the gap 35.

Further, the utility model discloses a novel realization method of sound wave motor, including following step:

(I), stator assembly 3: the stator core 31, the pole plate 33 and the winding core 34 are formed by punching a magnetic conductive material, the coils 32 are wound on the three winding cores 34 in the same direction, and the three coils 32 are connected in parallel;

(II) rotor assembly 4: the rotor core 41 is connected with the rotating shaft 43 in an interference fit manner, and three magnetic steels 42 are adhered to the circumference of the rotor core 41 at equal intervals through glue;

(III) assembling: the stator core 31 is adhered to the inner wall of the casing 1 through glue, the rotating shaft 43 is rotatably connected with the end cover 2 and the casing 1 through a bearing 44, and the end cover 2 is buckled on the casing 1;

fourthly, the magnetic steel 42 provides a driving magnetic field for the motor, an electric field is generated when the coil 32 is electrified, and the electric field and the magnetic field interact to drive the rotor assembly 4 to rotate;

and (V) when the current is changed, the magnetic poles of the magnetic field generated by the coil 32 are changed, so that driving forces in different directions are generated, the rotor assembly 4 rotates forwards and backwards continuously, and vibration is generated.

To sum up, the utility model makes full use of the internal space of the casing 1, and three coils 32 are arranged inside the casing 1, and the three coils 32 are connected in parallel, so that the coils 32 can generate stronger electric field when being electrified, thereby increasing the torque; the utility model arranges three magnetic steels 42 on the rotor iron core 41, which strengthens the driving magnetic field, thereby maximizing the moment; the utility model discloses a carry out reasonable improvement to stator module 3 and rotor subassembly 4, make moment obtain the maximize to the vibration effect that makes the motor is better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel sound wave motor comprises a machine shell (1), and is characterized in that: be equipped with stator module (3) on the inner wall of casing (1), the inside of stator module (3) is equipped with rotor subassembly (4), one side of casing (1) is connected with end cover (2), rotor subassembly (4) rotate with end cover (2) and casing (1) and are connected, stator module (3) include stator core (31), coil (32) and around core (34), wherein, stator core (31) are connected on the inner wall of casing (1), stator core (31) are hollow cylinder structure, equidistant three around core (34) of being equipped with on the inner wall of stator core (31), it has coil (32) to twine on core (34), three coil (32) parallel connection.

2. The novel sonic motor of claim 1 wherein: one side of the winding core (34) far away from the stator core (31) is connected with a polar plate (33), and the polar plate (33) is of an arc-shaped structure.

3. The novel sonic motor of claim 2 wherein: a notch (35) is arranged at the middle position of the polar plate (33).

4. The novel sonic motor of claim 1 wherein: rotor subassembly (4) are equipped with rotor core (41) on the circumference of pivot (43) including rotor core (41), magnet steel (42) and pivot (43), wherein, equidistant three magnet steel (42) that are equipped with on the circumference of rotor core (41).

5. The novel sonic motor of claim 4 wherein: the rotating shaft (43) is connected with the rotor iron core (41) through interference fit.

6. The novel sonic motor of claim 4 wherein: the rotating shaft (43) is connected with a bearing (44), and the rotating shaft (43) is rotatably connected with the end cover (2) and the machine shell (1) through the bearing (44).

7. The novel sonic motor of claim 2 wherein: the stator core (31), the pole plate (33) and the winding core (34) are of an integrated structure.

8. The novel sonic motor of claim 2 wherein: the stator core (31), the pole plate (33) and the winding core (34) are all magnetic conduction components.