CN216873052U

CN216873052U - Miniature acoustic wave motor capable of adjusting eccentricity of output shaft

Info

Publication number: CN216873052U
Application number: CN202220070009.XU
Authority: CN
Inventors: 杨小迎
Original assignee: Dongguan Meiyo Electronics Co ltd
Current assignee: Dongguan Meiyo Electronics Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-07-01
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a miniature sound wave motor capable of adjusting the eccentricity of an output shaft, which comprises a winding stand, wherein a front cover is arranged at one end of the winding stand; this novel simple structure, high durability and convenient use, constitute motor stator by general U type iron core with the coil, this kind of structure is because of the coil is in one side of U type iron core, the coil is less with motor center line distance, through the magnet frame, magnet, magnetic conductive plate and shell fragment constitute electric motor rotor, the skew motor center line of rotor center line, make the rotor have reasonable space rotation, make rotor and coil noninterference, the offset of the relative motor center of output shaft is changed to the position of output shaft implantation on the rotor, the output shaft can be according to sound wave toothbrush design needs, the eccentric quantity at adjustment output shaft and motor center, the biggest adjustable center goes out the mode of axle, make sound wave toothbrush design more nimble, exert sound wave toothbrush effect when satisfying masses' consumers perception demand, let the sound wave toothbrush popularize and serve masses better.

Description

Miniature sound wave motor capable of adjusting eccentricity of output shaft

Technical Field

The utility model relates to the technical field of motors, in particular to a miniature acoustic motor with an adjustable output shaft eccentricity.

Background

The sound wave motor is developed to the present, two modes of central output shaft and eccentric output shaft are classified according to the position of an output shaft, the central output shaft mode is generally a combination mode of 4 peripheral magnets and central rotor winding, or a combination mode of two peripheral coil windings and 4 central magnets, the combination is realized by omitting a plurality of motor performances due to the complex structure, the motor manufacturing cost is high due to the structure, and the sound wave toothbrush is difficult to popularize and popularize due to the cost reason; the other is an eccentric output shaft motor, the output shaft of the motor deviates from the center of the motor by a certain distance, and the motor is not as flexible as the central output shaft motor in the design of the toothbrush, but the performances such as current, power consumption and the like are better than the central output shaft motor, the cost is lower, and the motor is more suitable for the design of popular products; therefore, a miniature acoustic wave motor with an adjustable eccentric amount of an output shaft is needed in the present stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a miniature sound wave motor with an adjustable output shaft eccentricity, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a miniature sound wave motor of adjustable output shaft eccentricity, includes the spool stand, the one end of spool stand is provided with the protecgulum, and the other end of spool stand is provided with the back lid, is provided with U type iron core in the spool stand, has cup jointed the coil on the U type iron core, is provided with the magnet frame in the spool stand, and the one end of magnet frame is pegged graft and is had the output shaft, has seted up the through-hole on the magnet frame, is provided with magnet in the through-hole, and the both sides of magnet are provided with the magnetic conduction piece.

Furthermore, the front cover is in threaded connection with a first bolt, and one end of the first bolt is inserted into the winding frame.

Furthermore, a second bolt is connected to the rear cover in a threaded manner, and one end of the second bolt is inserted into the spool stand.

Furthermore, a bearing is installed in the front cover, and one end of the magnet frame is sleeved into the bearing to enable the output shaft to penetrate out of the front cover.

Furthermore, a lead is arranged on the coil, and one end of the lead is led out from the rear cover.

Furthermore, a slot is formed in one end of the magnet frame, a spring plate is inserted into the rear cover, and one end of the spring plate is inserted into the slot.

Furthermore, the U-shaped iron core is respectively provided with a stator S pole and a stator N pole, and the magnetic conduction sheet is respectively provided with a rotor N1 pole, a rotor S1 pole, a rotor N2 pole and a rotor S2 pole.

Compared with the prior art, the utility model has the following beneficial effects: this novel simple structure, high durability and convenient use, constitute motor stator by general U type iron core with the coil, this kind of structure is because of the coil is in one side of U type iron core, the coil is less with motor center line distance, through the magnet frame, magnet, magnetic conductive plate and shell fragment constitute electric motor rotor, the skew motor center line of rotor center line, make the rotor have reasonable space rotation, make rotor and coil noninterference, the offset of the relative motor center of output shaft is changed to the position of output shaft implantation on the rotor, the output shaft can be according to sound wave toothbrush design needs, the eccentric quantity at adjustment output shaft and motor center, the biggest adjustable center goes out the mode of axle, make sound wave toothbrush design more nimble, exert sound wave toothbrush effect when satisfying masses' consumers perception demand, let the sound wave toothbrush popularize and serve masses better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall exploded perspective structure of the present invention;

FIG. 3 is a schematic view of the overall side cut-away construction of the present invention;

in the figure: 1. a front cover; 2. a spool stand; 3. a rear cover; 4. a first bolt; 5. a second bolt; 6. a bearing; 7. a U-shaped iron core; 8. a coil; 9. a lead; 10. a magnet frame; 11. a through hole; 12. a magnet; 13. a magnetic conductive sheet; 14. a slot; 15. a spring plate; 16. an output shaft; 17. a stator S pole; 18. a stator N pole; 19. rotor N1 pole; 20. a rotor S1 pole; 21. rotor N2 pole; 22. rotor S2 poles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a miniature sound wave motor capable of adjusting the eccentricity of an output shaft comprises a winding frame 2, wherein a front cover 1 is arranged at one end of the winding frame 2, a rear cover 3 is arranged at the other end of the winding frame 2, a U-shaped iron core 7 is arranged in the winding frame 2, a coil 8 is sleeved on the U-shaped iron core 7, a magnet frame 10 is arranged in the winding frame 2, an output shaft 16 is inserted into one end of the magnet frame 10, a through hole 11 is formed in the magnet frame 10, a magnet 12 is arranged in the through hole 11, and magnetic conductive sheets 13 are arranged on two sides of the magnet 12; a first bolt 4 is connected to the front cover 1 in a threaded manner, and one end of the first bolt 4 is inserted into the spool stand 2; a second bolt 5 is connected to the rear cover 3 in a threaded manner, and one end of the second bolt 5 is inserted into the spool stand 2; a bearing 6 is arranged in the front cover 1, and one end of the magnet frame 10 is sleeved in the bearing 6 to enable an output shaft 16 to penetrate out of the front cover 1; a lead wire 9 is arranged on the coil 8, and one end of the lead wire 9 is led out from the rear cover 3; one end of the magnet frame 10 is provided with a slot 14, the rear cover 3 is inserted with a spring piece 15, and one end of the spring piece 15 is inserted in the slot 14; the U-shaped iron core 7 is respectively provided with a stator S pole 17 and a stator N pole 18, and the magnetic conductive sheet 13 is respectively provided with a rotor N1 pole 19, a rotor S1 pole 20, a rotor N2 pole 21 and a rotor S2 pole 22; when the acoustic wave motor is used, as shown in fig. 3, when the coil 8 is energized, magnetic fields are formed at two ends of the coil 8, the magnetic field of the coil 8 is conducted through the U-shaped iron core 7 to form a pair of magnetic fields of a stator N pole 17 and a stator S pole 18, corresponding to the magnetic field of the stator, the rotor magnet 12 is conducted through the magnetic conducting sheet 13, the magnetic conducting sheet 13 enables the rotor to form two pairs of magnetic fields of a rotor N1 pole 19, a rotor S1 pole 20, a rotor N2 pole 21 and a rotor S2 pole 22, the stator N pole 17 is corresponding to the rotor N1 pole 19 and the rotor S1 pole 20, the stator S pole 18 is corresponding to the rotor N2 pole 21 and the rotor S2 pole 22, when the energizing direction of the coil 8 is changed, the rotor deflects in the opposite direction, and when the energizing direction of the coil 8 is repeatedly changed, the rotor reciprocates back and forth, and power is output through the output shaft 16.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a miniature sound wave motor of adjustable output shaft eccentricity amount, includes spool (2), its characterized in that: the winding device is characterized in that a front cover (1) is arranged at one end of the winding rack (2), a rear cover (3) is arranged at the other end of the winding rack (2), a U-shaped iron core (7) is arranged in the winding rack (2), a coil (8) is sleeved on the U-shaped iron core (7), a magnet rack (10) is arranged in the winding rack (2), an output shaft (16) is inserted into one end of the magnet rack (10), a through hole (11) is formed in the magnet rack (10), a magnet (12) is arranged in the through hole (11), and magnetic conductive sheets (13) are arranged on two sides of the magnet (12).

2. The miniature acoustic wave motor with adjustable eccentricity of the output shaft according to claim 1, wherein: the front cover (1) is in threaded connection with a first bolt (4), and one end of the first bolt (4) is inserted into the winding frame (2).

3. The miniature acoustic wave motor with adjustable eccentricity of the output shaft according to claim 1, wherein: and a second bolt (5) is connected to the rear cover (3) in a threaded manner, and one end of the second bolt (5) is inserted into the winding frame (2).

4. The miniature acoustic wave motor with adjustable eccentricity of the output shaft according to claim 1, wherein: a bearing (6) is installed in the front cover (1), and one end of the magnet frame (10) is sleeved into the bearing (6) to enable the output shaft (16) to penetrate out of the front cover (1).

5. The miniature acoustic wave motor with adjustable eccentricity of the output shaft according to claim 1, wherein: and a lead (9) is arranged on the coil (8), and one end of the lead (9) is led out from the rear cover (3).

6. The miniature acoustic wave motor with adjustable eccentricity of the output shaft according to claim 1, wherein: a slot (14) is formed in one end of the magnet frame (10), an elastic sheet (15) is inserted into the rear cover (3), and one end of the elastic sheet (15) is inserted into the slot (14).

7. The miniature acoustic wave motor with adjustable eccentricity of the output shaft according to claim 1, wherein: the U-shaped iron core (7) is provided with a stator S pole (17) and a stator N pole (18) respectively, and the magnetic conductive sheet (13) is provided with a rotor N1 pole (19), a rotor S1 pole (20), a rotor N2 pole (21) and a rotor S2 pole (22) respectively.