CN216290631U

CN216290631U - Axial magnetizing vibration motor

Info

Publication number: CN216290631U
Application number: CN202123039672.8U
Authority: CN
Inventors: 黄磊; 龚荣波; 黎平; 陈慧文; 吕东佳; 唐琪; 任曙彪
Original assignee: Shenzhen Jiaai Motor Co ltd
Current assignee: Jinlong Machinery & Electronics Dongguan Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-12
Anticipated expiration: 2031-11-30

Abstract

The utility model provides an axial magnetizing vibration motor, which relates to the technical field of vibration motors and comprises a shell, a magnetic coupling and a magnetic rebound assembly, wherein a driven shaft is rotationally connected in the shell; the magnetic coupling comprises a first magnetic disc and a second magnetic disc, wherein a first magnetizer is embedded on the first magnetic disc, and a second magnetizer is embedded on the second magnetic disc; the magnetic rebounding assembly comprises a rotating piece and a fixing piece, wherein a first magnetic piece is arranged on the fixing piece, and second magnetic pieces are respectively arranged on the two side cavity walls of the rotating piece. According to the axial magnetizing vibration motor, the driving shaft of the rotary driving piece can effectively drive the driven shaft under the action of the magnetic field coupling force between the first magnetic disk and the second magnetic disk, and the structure has good waterproof capability and enlarges the application range by converting the torque of the driving shaft into the reciprocating motion of the driven shaft in combination with the arrangement of the magnetic rebound assembly.

Description

Axial magnetizing vibration motor

Technical Field

The utility model belongs to the technical field of vibrating motors, and particularly relates to an axial magnetizing vibrating motor.

Background

Along with the continuous promotion that people pursue scientific and technological product, equipment such as electric toothbrush and massage armchair walk into people's daily life gradually, and above-mentioned product all adopts vibrating motor to drive. The existing vibration motor generally realizes reciprocating motion around a shaft through the interaction of the coil periodic electrification and the magnet, and the waterproof performance of the vibration motor is poor when the coil and other structures are used, so that the application scene of the vibration motor is greatly limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an axial magnetizing vibration motor, which can be applied to a scene contacting water and improve the practicability of the structure, and the arrangement of an electromagnetic coil can be omitted.

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided an axially magnetized vibration motor, comprising:

the inner part of the shell is rotatably connected with a driven shaft extending outwards, and the other end of the shell is connected with a rotary driving piece which is coaxially arranged with the driven shaft and is arranged at intervals;

the magnetic coupling comprises a first magnetic disc connected to the rotary driving piece and a second magnetic disc connected to the driven shaft, wherein a first magnetizer is embedded on the outer end surface of the first magnetic disc, and a second magnetizer which is magnetically adsorbed or magnetically repelled with the first magnetizer is embedded on the outer end surface of the second magnetic disc;

the magnetic rebounding assembly comprises a rotating part and a fixing part, wherein the rotating part is arranged on the driven shaft, the fixing part is located on the periphery of the rotating part, the fixing part is connected to the inner wall of the casing, a first magnetic part extending towards the axis of the driven shaft is arranged on the fixing part, an avoiding cavity used for containing the first magnetic part is arranged on the rotating part, and second magnetic parts which are magnetically repellent to the first magnetic part are arranged on the wall of the two side cavities of the avoiding cavity respectively.

In a possible implementation mode, the fixing part is provided with an extension arm extending along the radial direction of the fixing part, the extension arm is provided with a first installation cavity used for embedding the first magnetic part, and the rotating part is provided with second installation cavities which are respectively close to the two side cavity walls of the avoiding cavity and used for embedding the second magnetic part.

In some embodiments, the first magnetic member is disposed to protrude outwardly from the outer end surface of the extension arm, and the second magnetic member extends to be flush with the outer peripheral wall of the rotation member and to circumferentially correspond to the first magnetic member.

In some embodiments, the number of the first magnetic members and the number of the avoiding cavities are respectively N, the number of the second magnetic members is 2N, wherein N is larger than or equal to 1, and the N first magnetic members are uniformly distributed in the circumferential direction of the fixing member.

In a possible implementation manner, the first magnetizers are uniformly distributed on the end surface of the first magnetic disk along the circumferential direction, the second magnetizers are uniformly distributed on the end surface of the second magnetic disk along the circumferential direction, and the first magnetizers and the second magnetizers are arranged in a one-to-one correspondence manner.

In a possible implementation manner, a connecting shaft for driving the first magnetic disc to rotate is arranged on the driving shaft of the rotary driving piece, and the first magnetic disc is sleeved on the periphery of the end part of the connecting shaft.

In some embodiments, a first bearing is sleeved on the connecting shaft and located between the first magnetic disc and the rotary driving member.

In a possible implementation manner, the driven shaft is sleeved with a second bearing, and the second bearing is arranged between the driven shaft and the fixing piece and is close to the outer end of the fixing piece.

In some embodiments, the outer circumference of the driven shaft is sleeved with two third bearings between the magnetic rebound assembly and the magnetic coupling.

In one possible implementation manner, the driven shaft is provided with a limiting platform for limiting the magnetic rebound assembly, and the outer end face of the magnetic rebound assembly is flush with the outer end face of the casing.

The scheme that this application embodiment shows, compared with the prior art, the scheme that this application embodiment shows, through the effect of the magnetic field coupling power between first magnetic disk and the second magnetic disk, utilize non-contact mode transmission moment of torsion, realize the drive shaft of rotary driving spare to the effective drive of driven shaft, combine the setting of magnetism rebound assembly, turn into the reciprocating motion of driven shaft with the moment of torsion of drive shaft, output frequency enlargies through first magnetizer of multiunit and second magnetizer among the magnetic coupling, can realize the high-frequency vibration that the frequency exceeds 400Hz, this structure has good waterproof ability simultaneously, the application range thereof is enlarged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is an exploded view of an axially magnetized vibration motor according to an embodiment of the present invention;

FIG. 2 is an exploded view of the magnetic rebound assembly and follower shaft of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of the magnetic coupling and the housing of FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic sectional view of the embodiment of FIG. 1;

FIG. 5 is a schematic cross-sectional view of A-A in FIG. 4 according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional structural view of the first embodiment of the magnetic rebound assembly shown in FIG. 1 according to the present invention;

FIG. 7 is a schematic cross-sectional structural view of a second embodiment of the magnetic rebound assembly shown in FIG. 1 according to the present invention;

fig. 8 is a schematic cross-sectional structural view of a third embodiment of the magnetic resilient assembly in fig. 1 according to the present invention.

Wherein, in the figures, the respective reference numerals:

1. a housing; 2. a rotary drive member; 21. a connecting shaft; 22. a drive shaft; 3. a magnetic coupling; 31. a first magnetic disk; 311. a first magnetizer; 32. a second magnetic disk; 321. a second magnetizer; 4. a magnetically resilient component; 41. a fixing member; 411. a first magnetic member; 412. an extension arm; 413. a first mounting cavity; 42. a rotating member; 421. an avoidance cavity; 422. a second magnetic member; 423. a second mounting cavity; 5. a driven shaft; 51. a limiting table; 61. a first bearing; 62. a second bearing; 63. and a third bearing.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and are therefore not to be considered limiting. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or several of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 8 together, the axial magnetizing vibration motor of the present invention will now be described. The axial magnetizing vibration motor comprises a shell 1, a magnetic coupling 3 and a magnetic rebound assembly 4, wherein a driven shaft 5 extending outwards is rotatably connected inside the shell 1, and a rotary driving piece 2 which is coaxially arranged with the driven shaft 5 and is arranged at intervals is connected to the other end of the shell 1; the magnetic coupling 3 comprises a first magnetic disc 31 connected to the rotary driving part 2 and a second magnetic disc 32 connected to the driven shaft 5, wherein a first magnetizer 311 is embedded on the outer end surface of the first magnetic disc 31, and a second magnetizer 321 which is magnetically adsorbed or magnetically repelled with the first magnetizer 311 is embedded on the outer end surface of the second magnetic disc 32; magnetic springback subassembly 4 is including setting up rotating piece 42 on driven shaft 5 and being located the mounting 41 that rotates piece 42 periphery, and mounting 41 connects on the inner wall of casing 1, is equipped with the first magnetic part 411 that extends to the axle center of driven shaft 5 on the mounting 41, is equipped with the chamber 421 of dodging that is used for holding first magnetic part 411 on rotating piece 42, dodges and is equipped with the second magnetic part 422 that repels mutually with first magnetic part 411 magnetism on the both sides chamber wall of chamber 421 respectively.

The rotator driving element may be a driving member such as a motor, an internal combustion engine, a windmill, or a waterwheel, and the driving shaft 22 may be used to drive the second magnetic disk 32 connected thereto. The first magnetizer 311 and the second magnetizer 321 are magnetic objects, and are laminated or blocky elements made of magnetic materials, and can adopt members made of magnets, iron, cobalt, nickel, manganese and the like, and the members are axially magnetized, so that the magnetic field coupling force action between the first magnetizer 311 and the second magnetizer 321 is realized, and the effect of torque transmission in a non-contact mode is achieved. The structure does not need to adopt the traditional electric signal to drive the structure needing to be provided with the coil, so the waterproof performance is good. The first magnetizer 311 and the second magnetizer 321 may be in a magnetic attraction relationship or a magnetic repulsion relationship, and both may achieve the same magnetic field coupling effect, thereby achieving effective transmission of the torque of the rotary driving member 2.

The axial vibrating motor that magnetizes that this embodiment provided, compared with the prior art, the axial vibrating motor that magnetizes that this embodiment provided, through the effect of the magnetic field coupling force between first magnetic disc 31 and the second magnetic disc 32, utilize non-contact mode transmission moment of torsion, realize the drive shaft 22 of rotary driving piece 2 to the effective drive of driven shaft 5, combine the setting of magnetism subassembly 4 of kick-backing, turn into the reciprocating motion of driven shaft 5 with the moment of torsion of drive shaft 22, output frequency enlargies through multiunit first magnetizer 311 and second magnetizer 321 among the magnetic coupling 3, can realize the high-frequency vibration that the frequency exceeds 400Hz, this structure has good waterproof ability simultaneously, its application range has been increased.

In one possible implementation, the above-described feature fixing member 41 and the rotating member 42 are structured as shown in fig. 6 to 8. Referring to fig. 6 to 8, the fixed member 41 is provided with an extension arm 412 extending along a radial direction thereof, the extension arm 412 is provided with a first installation cavity 413 for embedding the first magnetic member 411, and the rotating member 42 is provided with second installation cavities 423 respectively adjacent to two side cavity walls of the avoiding cavity 421 and for embedding the second magnetic member 422.

First magnetic part 411 sets up on the extension arm 412 of rotating piece 42, and in order to facilitate the installation of first magnetic part 411, set up first installation cavity 413 in the outer end of extension arm 412, the opening of first installation cavity 413 is located the one side that deviates from driven shaft 5 axle center, and first magnetic part 411 can inlay in extension arm 412 when the installation, also can flush with the outer terminal surface of extension arm 412, can also outwards bulge out in the outer terminal surface of extension arm 412.

The magnetic poles of the first magnetic part 411 are respectively arranged close to two side walls of the extension arm 412, correspondingly, two side walls of the avoidance cavity 421 are provided with second installation cavities 423, the second magnetic part 422 is arranged in the second installation cavities 423, and the magnetic poles of the second magnetic part 422 are arranged in a mode of mutual repulsion with the magnetic poles of the first magnetic part 411. The first magnetic member 411 has a balance position between the two second magnetic members 422, where the first magnetic member 411 is in a force balance state.

Specifically, the first magnetic member 411 is mounted and fixed in the inner shell of the first mounting cavity 413 in a plurality of manners such as inserting pieces, clamping fit or gluing, and similarly, the second magnetic member 422 can also be mounted and fixed in the second mounting cavity 423 in the plurality of mounting manners.

The first magnetic member 411 and the second magnetic member 422 may be permanent magnets, i.e., permanent magnets, which may be natural products (also called natural magnets) or manufactured by manual work (the strongest magnet is neodymium-iron-boron magnet). Also known as permanent magnetic material and hard magnetic material.

In some embodiments, referring to fig. 6 to 8, the first magnetic member 411 is disposed to protrude outward from the outer end surface of the extension arm 412, and the second magnetic member 422 extends to be flush with the outer peripheral wall of the rotating member 42 and to circumferentially correspond to the first magnetic member 411.

The first magnetic member 411 is fitted to the extension arm 412, and may be provided to penetrate the extension arm 412 in the axial direction of the driven shaft 5 or may be provided at an outer end position of the extension arm 412. The N pole and the S pole of the first magnetic member 411 are respectively close to the two second magnetic members 422 on the two side walls of the avoiding cavity 421, the magnetic poles of the second magnetic members 422 are arranged in a magnetic repulsion manner with the first magnetic member 411, that is, the N pole of one of the second magnetic members 422 is arranged close to the N pole of the first magnetic member 411, and the S pole of the other second magnetic member is arranged close to the S pole of the first magnetic member 411, so that the repulsion between the first magnetic member 411 and the second magnetic member is realized.

The first magnetic member 411 extends toward the periphery, so that the N pole and the S pole thereof are better exposed to the extension arm 412, and the effect of relative arrangement and mutual repulsion with the second magnetic member 422 is achieved, thereby achieving the reverse driving effect on the driven shaft 5.

In some embodiments, referring to fig. 6 to 8, N first magnetic members 411 and N bypass cavities 421 are respectively provided, and 2N second magnetic members 422 are provided, where N is greater than or equal to 1, and the N first magnetic members 411 are uniformly arranged in the circumferential direction of the fixing member 41.

The first magnetic parts 411 are uniformly distributed on the periphery of the rotating part 42, so that the peripheral stress of the driven shaft 5 is more uniform, the stability of the axis position is ensured, and a better driving effect is achieved. At least two first magnetic members 411 are provided, in order to enhance the acting force between the first magnetic members 411 and the second magnetic members 422, the first magnetic members 411 may also be provided in three or four forms, and the corresponding second magnetic members 422 are provided in six or eight forms and are respectively distributed on two side walls of the avoiding cavity 421.

In a possible implementation manner, referring to fig. 3, a plurality of first magnetizers 311 are uniformly arranged on the end surface of the first magnetic disk 31 along the circumferential direction, a plurality of second magnetizers 321 are uniformly arranged on the end surface of the second magnetic disk 32 along the circumferential direction, and the first magnetizers 311 and the second magnetizers 321 are arranged in a one-to-one correspondence manner.

In order to enhance the magnetic effect between the first magnetizer 311 and the second magnetizer 321, the plurality of first magnetizers 311 are disposed on the outer end surface of the first magnetic disk 31, the plurality of second magnetizers 321 are disposed on the outer end surface of the second magnetic disk 32, and the driving relationship between the first magnetic disk 31 and the second magnetic disk 32 is realized by the adsorption or repulsion effect of the first magnetizer 311 and the second magnetizer 321.

As one example, the first magnetizer 311 is disposed on the first magnetic disk 31, the second magnetizer 321 is disposed on the second magnetic disk 32, and the first magnetizer 311 and the second magnetizer 321 are installed in a magnetic pole repulsion manner. The S pole of the first magnetizer 311 corresponds to the N pole of the second magnetizer 321, and the adsorption between the first magnetizer 311 and the second magnetizer 321 is realized.

On this basis, an auxiliary magnetizer may be additionally disposed between two adjacent second magnetizers 321, an S pole of the auxiliary magnetizer faces the first magnetizer 311, and when the first magnetizer 311 is located between two adjacent second magnetizers 321, the auxiliary magnetizer may boost the first magnetizer 311 by a repulsive force, so as to accelerate the rotation speed of the driven shaft 5.

In a possible implementation manner, referring to fig. 3 to 4, the driving shaft 22 of the rotary driving member 2 is provided with a connecting shaft 21 for driving the first magnetic disc 31 to rotate, and the first magnetic disc 31 is sleeved on an end periphery of the connecting shaft 21.

The end periphery of the connecting shaft 21 is sleeved with the first magnetic disc 31, the driving effect of the rotary driving piece 2 on the first magnetic disc 31 is achieved, and the installation mode is simple in structure and convenient to install the first magnetic disc 31.

Taking the example that the first magnetic disk 31 is connected to the driving shaft 22 and the second magnetic disk 32 is connected to the driven shaft 5, when the first magnetizer 311 and the second magnetizer 321 adopt magnetic attraction, the rotary driving member 2 drives the first magnetic disk 31 to rotate, under the action of the magnetic field coupling force of the first magnetizer 311 and the second magnetizer 321, the driven shaft 5 drives the rotating member 42 to rotate, the first magnetic member 411 on the rotating member 42 gradually approaches the second magnetic member 422 (the displacement between the first magnetic member 411 and the balance bit is gradually increased), the magnetic repulsive force between the two is gradually increased, the rotation resistance received by the driven shaft 5 is also increased, and further the driven shaft 5 lags behind the driving shaft, that is, the first magnetizer 311 lags behind the second magnetizer 321, the magnetic attraction force between the two is gradually decreased until being smaller than the magnetic repulsive force between the first magnetic member 411 and the second magnetic member 422, the driven shaft 5 is caused to have a tendency of rotating in the opposite direction, at this time, the first magnetizer 311 is located between the previous second magnetizer 321 and the next second magnetizer 321, and since the sum of the magnetic repulsive force between the first magnetic part 411 and the second magnetic part 422 and the magnetic attractive force between the first magnetizer 311 and the next second magnetizer 321 is greater than the magnetic attractive force between the first magnetizer 311 and the previous second magnetizer 321, the driven shaft 5 rotates in the opposite direction until the first magnetizer 311 corresponds to the next second magnetizer 321, the first magnetic part 411 returns to the balance position, and the next second magnetizer 321 drives the first magnetizer 311 to realize the reversal of the driven shaft 5 again, and the above process is repeated to achieve the effect of driving the driven shaft 5 to rotate in the reciprocating direction.

In some embodiments, the above-mentioned feature connecting shaft 21 is configured as shown in fig. 3 to 4. Referring to fig. 3 to 4, a first bearing 61 is sleeved on the connecting shaft 21 and located between the first magnetic disc 31 and the rotary driving member 2.

First magnetic disk 31 installs the overhanging end at connecting axle 21, in order to guarantee first magnetic disk 31's positional stability, realizes the effective bearing to first magnetic disk 31, and the cover is equipped with first bearing 61 on connecting axle 21, and first bearing 61 forms reliable support to the overhanging end of drive shaft 22, guarantees that first magnetic disk 31 and second magnetic disk 32 can effectively correspond, realizes good drive effect.

In a possible implementation, referring to fig. 1 and 4, the driven shaft 5 is sleeved with a second bearing 62, and the second bearing 62 is disposed between the driven shaft 5 and the fixing member 41 and is disposed near the outer end of the fixing member 41. The periphery cover of driven shaft 5 is equipped with third bearing 63 that is located between magnetism resilience subassembly 4 and magnetic coupling 3, and third bearing 63 has laid two side by side.

In order to realize the effective bearing to driven shaft 5, guarantee driven shaft 5 pivoted smoothness nature, set up two third bearings 63 on driven shaft 5, two third bearings 63 are located between magnetism resilience subassembly 4 and magnetic coupling 3, guarantee that second magnetic disc 32 obtains effective bearing, can form good correspondence with first magnetic disc 31, and third bearing 63 can also cooperate second bearing 62 to realize the effective bearing to driven shaft 5 both ends in addition.

In one possible implementation, the above-described characteristic driven shaft 5 adopts the structure shown in fig. 4. Referring to fig. 4, the driven shaft 5 is provided with a limiting table 51 for limiting the magnetic rebound assembly 4, and the outer end face of the magnetic rebound assembly 4 is flush with the outer end face of the casing 1.

When carrying out the installation of magnetism resilience piece, in order to guarantee its axial position's stability, set up spacing platform 51 on driven shaft 5, spacing platform 51 can carry out effectively spacingly to the interior terminal surface of the rotation piece 42 of magnetism resilience piece, guarantees that first magnetism piece 411 on the rotation piece 42 can effectively correspond with second magnetism piece 422 on the mounting 41, realizes the rebound effect.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Axial vibrating motor that magnetizes, its characterized in that includes:

the magnetic coupling comprises a first magnetic disc connected to the rotary driving piece and a second magnetic disc connected to the driven shaft, wherein a first magnetizer is embedded on the outer end surface of the first magnetic disc, and a second magnetizer which is magnetically adsorbed or repelled with the first magnetizer is embedded on the outer end surface of the second magnetic disc;

magnetic springback subassembly, including set up in rotating on the driven shaft and being located rotate the mounting of a periphery, the mounting connect in on the inner wall of casing, be equipped with on the mounting to the first magnetic part that the axle center of driven shaft extends, be equipped with on the rotation and be used for holding dodging the chamber of first magnetic part, dodge be equipped with respectively on the both sides chamber wall in chamber with the second magnetic part that first magnetic part magnetism is repulsive.

2. The axially magnetized vibration motor as claimed in claim 1, wherein the stationary member has an extension arm extending in a radial direction thereof, the extension arm has a first installation cavity for receiving the first magnetic member, and the rotating member has a second installation cavity for receiving the second magnetic member, the second installation cavity being disposed adjacent to the two side walls of the avoiding cavity.

3. The axial magnetizing vibration motor of claim 2, wherein said first magnetic member is disposed to protrude outward from an outer end surface of said extension arm, and said second magnetic member extends to be flush with an outer peripheral wall of said rotation member and to correspond to said first magnetic member in a circumferential direction.

4. The axially magnetized vibration motor as claimed in claim 1, wherein the number of the first magnetic members and the number of the avoiding cavities are N, and the number of the second magnetic members is 2N, wherein N is greater than or equal to 1, and N of the first magnetic members are uniformly arranged in the circumferential direction of the fixing member.

5. The axially magnetized vibration motor according to any one of claims 1 to 4, wherein the first magnetic conductors are arranged in a plurality of numbers uniformly in a circumferential direction on the end surface of the first magnetic disk, the second magnetic conductors are arranged in a plurality of numbers uniformly in a circumferential direction on the end surface of the second magnetic disk, and the first magnetic conductors and the second magnetic conductors are arranged in one-to-one correspondence.

6. The axially magnetized vibration motor as defined in any one of claims 1-4, wherein a connection shaft for driving said first magnetic disk to rotate is provided on a driving shaft of said rotary driving member, and said first magnetic disk is fitted around an end portion of said connection shaft.

7. The axially magnetized vibration motor of claim 6, wherein a first bearing is fitted over said connecting shaft between said first magnetic disk and said rotary drive member.

8. The axially magnetized vibration motor according to any one of claims 1 to 4, wherein a second bearing is fitted over the driven shaft, the second bearing being disposed between the driven shaft and the fixed member and being disposed near an outer end of the fixed member.

9. The axially magnetized vibration motor of claim 8, wherein two third bearings are disposed in parallel on the outer circumference of the driven shaft and between the magnetic rebound assembly and the magnetic coupling.

10. The axially magnetized vibration motor according to any one of claims 1 to 4, wherein the driven shaft is provided with a stopper for stopping the magnetic rebound assembly, and an outer end surface of the magnetic rebound assembly is flush with an outer end surface of the housing.