CN210629221U

CN210629221U - Sound wave motor

Info

Publication number: CN210629221U
Application number: CN201921771937.3U
Authority: CN
Inventors: 施向阳
Original assignee: Dongguan Youkang Electrical Appliance Co ltd
Current assignee: Dongguan Youkang Electrical Appliance Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-05-26
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a sound wave motor, this sound wave motor includes: a motor housing; the stator assembly is fixedly arranged in the motor shell and comprises a front support and a rear support which are mutually inserted and fixed together, a plurality of turns of coils wound on the peripheries of the front support and the rear support, and a first silicon steel sheet and a second silicon steel sheet which are used for fixedly connecting the front support and the rear support together and covering the periphery of the coils; the rotor assembly penetrates through the front support and the rear support and can rotate, the rotor assembly comprises a rotor support, a plurality of magnets arranged on the periphery of the rotor support, a plurality of cast iron sheets used for limiting the magnets on the periphery of the rotor support and a metal main shaft fixed at the end part of the rotor support, the metal main shaft extends out of the motor shell, and the cast iron sheets are in contact with the magnets; and the motor cover is fixed at the end part of the motor shell, and a reset spring is arranged between the motor cover and the rotor bracket.

Description

Sound wave motor

The technical field is as follows:

the utility model relates to a motor product technical field refers in particular to a sound wave motor.

Background art:

personal care electrical products such as electric sound wave toothbrushes, face washing brushes, nail beautifiers and the like are increasingly popular with consumers. And the driving force and the development of sensitivity of being applied to above-mentioned electrical product's motor (motor) are very violent always, and meanwhile, the structure of current motor is complicated day by day, and the inside coil winding structure of motor is comparatively mixed and disorderly, and the motor is big at the operation in-process noise, and power consumption is big, and the life-span is shorter, and the interference killing feature is not ideal enough, and the assembly process of motor wastes time and energy.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art's not enough, provide a sound wave motor.

In order to solve the technical problem, the utility model discloses a following technical scheme: the acoustic wave motor includes: a motor housing; the stator assembly is fixedly arranged in the motor shell and comprises a front support and a rear support which are mutually inserted and fixed together, a plurality of turns of coils wound on the peripheries of the front support and the rear support, and a first silicon steel sheet and a second silicon steel sheet which are used for fixedly connecting the front support and the rear support together and covering the periphery of the coils; the rotor assembly penetrates through the front support and the rear support and can rotate, the rotor assembly comprises a rotor support, a plurality of magnets arranged on the periphery of the rotor support, a plurality of cast iron sheets used for limiting the magnets on the periphery of the rotor support and a metal main shaft fixed at the end part of the rotor support, the metal main shaft extends out of the motor shell, and the cast iron sheets are in contact with the magnets; and the motor cover is fixed at the end part of the motor shell, and a reset spring is arranged between the motor cover and the rotor bracket.

Further, in the above technical solution, a first limiting bump and a first limiting groove are disposed at the rear end of the front bracket; the front end of the rear support is provided with a second limiting lug and a second limiting groove, and the second limiting lug and the second limiting groove are respectively clamped and fixed with the first limiting lug and the first limiting groove.

Further, in the above technical solution, the front bracket and the rear bracket are respectively formed with a first winding lug and a second winding lug which correspond to each other, the first winding lug and the second winding lug are butted to form a winding lug, and the coil is wound around the periphery of the winding lug.

Further, in the above technical solution, the front bracket and the rear bracket are respectively formed with a first T-shaped groove and a second T-shaped groove; the first silicon steel sheet and the second silicon steel sheet are both T-shaped, and the first silicon steel sheet and the second silicon steel sheet are clamped into the first T-shaped groove and the second T-shaped groove to form fixed connection.

Further, in the above technical solution, the number of the pig iron pieces is two, and the pig iron pieces are respectively fixed to the upper side and the lower side of the rotor support, so that clamping grooves are respectively formed on the left side and the right side of the rotor support, and the magnet is fixed in the clamping grooves.

Further, among the above-mentioned technical scheme, the rotor support is by plastic integrated into one piece, reset spring one end and rotor support are fixed through the secondary injection moulding, and this reset spring other end is connected with the fixed block, and this fixed block is installed in this motor lid.

Furthermore, in the above technical solution, the end of the metal main shaft is formed with a knurled part, and the knurled part and the rotor support are integrally molded into a whole.

Further, in the above technical solution, a first bearing and a second bearing are respectively installed at two ends of the rotor support.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model adopts two independent front support and back support winding coils which can be fixed together in butt joint, which is convenient for installation; moreover, the coil is wound on the periphery of the front support and the rear support, and a special internal winding machine is not needed, so that the cost is saved; in addition, after the coil is wound on the peripheries of the front support and the rear support, the first silicon steel sheet and the second silicon steel sheet are fixed on the front support and the rear support and cover the periphery of the coil, so that the winding of the coil is facilitated, and the installation of the whole stator assembly is facilitated; the utility model discloses the production assembly is simple, under the same consumption condition, output power increases to can normally work within 420Hz, under the high frequency vibrations condition, can be in succession incessant working life reaches more than 200H, and the noise is little in the operation in-process, and power consumption is little, and the life-span is longer, and the interference killing feature is ideal.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of another perspective of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a perspective view of a stator assembly of the present invention;

fig. 5 is an assembly view of the stator and rotor assemblies of the present invention;

fig. 6 is a perspective view of the metal spindle according to the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1-6, a sonic motor is shown, comprising: a motor case 1; the stator assembly 2 is fixedly installed in the motor shell 1, and the stator assembly 2 comprises a front support 21 and a rear support 22 which are mutually inserted and fixed together, a coil 23 which is wound on the peripheries of the front support 21 and the rear support 22 in a plurality of turns, and a first silicon steel sheet 24 and a second silicon steel sheet 25 which are used for fixedly connecting the front support 21 and the rear support 22 together and cover the periphery of the coil 23; a rotor assembly 3 rotatably inserted into the front bracket 21 and the rear bracket 22, wherein the rotor assembly 3 comprises a rotor bracket 31, a plurality of magnets 32 installed at the periphery of the rotor bracket 31, a plurality of cast iron pieces 33 used for limiting the magnets 32 at the periphery of the rotor bracket 31, and a metal spindle 34 fixed at the end of the rotor bracket 31, the metal spindle 34 extends out of the motor housing 1, and the cast iron pieces 33 are in contact with the magnets 32; and a motor cover 4 fixed to an end of the motor housing 1, and a return spring 41 is installed between the motor cover 4 and the rotor holder 31. The utility model adopts the front support 21 and the rear support 22 which are independent and can be fixed together in a butt joint way to wind the coil 23, which is convenient for installation; moreover, the coil 23 is wound around the periphery of the front bracket 21 and the rear bracket 22, and a special inner winding machine is not needed, so that the cost is saved; in addition, after the coil 23 is wound around the peripheries of the front bracket 21 and the rear bracket 22, the first silicon steel sheet 24 and the second silicon steel sheet 25 are fixed on the front bracket 21 and the rear bracket 22 and cover the periphery of the coil 23, so that the winding of the coil is facilitated, and the installation of the whole stator assembly 2 is facilitated; the utility model discloses the production assembly is simple, under the same consumption condition, output power increases to can normally work within 420Hz, under the high frequency vibrations condition, can be in succession incessant working life reaches more than 200H, and the noise is little in the operation in-process, and power consumption is little, and the life-span is longer, and the interference killing feature is ideal.

The rear end of the front bracket 21 is provided with a first limit lug 211 and a first limit groove 212; the front end of the rear bracket 22 is provided with a second limit bump 221 and a second limit groove, and the second limit bump 221 and the second limit groove are respectively fixed with the first limit bump 211 and the first limit groove 212 in a clamping manner, so that the front bracket 21 and the rear bracket 22 are fixedly connected together.

The front bracket 21 and the rear bracket 22 are respectively formed with a first winding lug 201 and a second winding lug 202 which are corresponding to each other, the first winding lug 201 and the second winding lug 202 are butted to form a winding lug, the coil 23 is wound on the periphery of the winding lug, and the winding is very convenient.

A first T-shaped groove 203 and a second T-shaped groove 204 are respectively formed in the front support 21 and the rear support 22; the first silicon steel sheet 24 and the second silicon steel sheet 25 are both in a T shape, and the first silicon steel sheet 24 and the second silicon steel sheet 25 are clamped into the first T-shaped groove 203 and the second T-shaped groove 204 to form fixed connection, so that the stability of the whole stator assembly 2 assembly structure is ensured.

The number of the pig iron sheets 33 is two, and the pig iron sheets are respectively fixed on the upper side and the lower side of the rotor support 31, so that clamping grooves are respectively formed on the left side and the right side of the rotor support 31, and the magnets 32 are fixed in the clamping grooves, so that the stability of the whole rotor assembly assembling structure is ensured.

The rotor bracket 31 is integrally formed by plastic, one end of the reset spring 41 is fixed with the rotor bracket 31 through secondary injection molding, the other end of the reset spring 41 is connected with a fixing block 42, the fixing block 42 is installed in the motor cover 4, and the structure is stable.

The end of the metal main shaft 34 is formed with a knurled part, and the knurled part and the rotor support 31 are integrally molded into a whole by injection molding, so that the size of the metal main shaft 34 is ensured, and the connection strength of the metal main shaft 34 and the rotor support is also enhanced.

The first bearing 311 and the second bearing 312 are respectively installed at two ends of the rotor support 31, so that the rotor support 31 can stably operate, and the operation is smoother.

In summary, the coil 23 is wound by the front support 21 and the rear support 22 which are independent and can be fixed together in a butt joint manner, so that the installation is convenient; moreover, the coil 23 is wound around the periphery of the front bracket 21 and the rear bracket 22, and a special inner winding machine is not needed, so that the cost is saved; in addition, after the coil 23 is wound around the peripheries of the front bracket 21 and the rear bracket 22, the first silicon steel sheet 24 and the second silicon steel sheet 25 are fixed on the front bracket 21 and the rear bracket 22 and cover the periphery of the coil 23, so that the winding of the coil is facilitated, and the installation of the whole stator assembly 2 is facilitated; the utility model discloses the production assembly is simple, under the same consumption condition, output power increases to can normally work within 420Hz, under the high frequency vibrations condition, can be in succession incessant working life reaches more than 200H, and the noise is little in the operation in-process, and power consumption is little, and the life-span is longer, and the interference killing feature is ideal.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. An acoustic wave motor, characterized by: it includes:

a motor housing (1);

the stator assembly (2) is fixedly arranged in the motor shell (1), and the stator assembly (2) comprises a front support (21) and a rear support (22) which are mutually inserted and fixed together, a coil (23) wound on the peripheries of the front support (21) and the rear support (22) in a plurality of turns, and a first silicon steel sheet (24) and a second silicon steel sheet (25) which are used for fixedly connecting the front support (21) and the rear support (22) together and cover the periphery of the coil (23);

the rotor assembly (3) is arranged in the front support (21) and the rear support (22) in a penetrating mode and can rotate, the rotor assembly (3) comprises a rotor support (31), a plurality of magnets (32) installed on the periphery of the rotor support (31), a plurality of cast iron sheets (33) used for limiting the magnets (32) on the periphery of the rotor support (31) and a metal main shaft (34) fixed to the end portion of the rotor support (31), the metal main shaft (34) extends out of the motor shell (1), and the cast iron sheets (33) are in contact with the magnets (32);

and a motor cover (4) fixed to an end of the motor case (1), wherein a return spring (41) is installed between the motor cover (4) and the rotor bracket (31).

2. The acoustic motor of claim 1, wherein: the rear end of the front bracket (21) is provided with a first limiting lug (211) and a first limiting groove (212); the front end of the rear bracket (22) is provided with a second limiting lug (221) and a second limiting groove, and the second limiting lug (221) and the second limiting groove are respectively clamped and fixed with the first limiting lug (211) and the first limiting groove (212).

3. The acoustic motor of claim 2, wherein: the front support (21) and the rear support (22) are respectively formed with a first winding lug (201) and a second winding lug (202) which correspond to each other, the first winding lug (201) and the second winding lug (202) are butted to form a winding lug, and the coil (23) is wound on the periphery of the winding lug.

4. The acoustic motor of claim 3, wherein: a first T-shaped groove (203) and a second T-shaped groove (204) are formed in the front support (21) and the rear support (22) respectively; the first silicon steel sheet (24) and the second silicon steel sheet (25) are both T-shaped, and the first silicon steel sheet (24) and the second silicon steel sheet (25) are clamped into the first T-shaped groove (203) and the second T-shaped groove (204) to form fixed connection.

5. The sonic motor of any one of claims 1-4, wherein: the number of the pig iron sheets (33) is two, the pig iron sheets are respectively fixed on the upper side and the lower side of the rotor support (31), clamping grooves are respectively formed on the left side and the right side of the rotor support (31), and the magnets (32) are fixed in the clamping grooves.

6. The sonic motor of any one of claims 1-4, wherein: rotor support (31) are by plastic integrated into one piece, reset spring (41) one end and rotor support (31) are fixed through the secondary injection moulding, and this reset spring (41) other end is connected with fixed block (42), and this fixed block (42) is installed in this motor lid (4).

7. The acoustic motor of claim 6, wherein: and a knurled part is formed at the tail end of the metal main shaft (34), and the knurled part and the rotor support (31) are integrally molded and fixed into a whole.

8. The acoustic motor of claim 6, wherein: and a first bearing (311) and a second bearing (312) are respectively arranged at two ends of the rotor bracket (31).