CN214069779U

CN214069779U - Vibration motor and electronic apparatus

Info

Publication number: CN214069779U
Application number: CN202023015135.5U
Authority: CN
Inventors: 许志强; 毛东升
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-27
Anticipated expiration: 2030-12-14
Also published as: WO2022127062A1

Abstract

The utility model discloses a vibration motor and electronic equipment, wherein, vibration motor includes casing, stator module and vibrator subassembly, and the stator module includes the coil, and the vibrator subassembly is located the accommodating space of casing, and the vibrator subassembly is including enclosing the magnetic circuit structure who locates the coil outside, and magnetic circuit structure includes first permanent magnet and second permanent magnet, and first permanent magnet and second permanent magnet are located the relative both sides of coil respectively; the two ends of the first permanent magnet, which are positioned at the same side of the coil, are respectively provided with a magnetic part, and the two ends of the second permanent magnet, which are positioned at the same side of the coil, are respectively provided with a magnetic part; after the coil is electrified, the magnetic circuit structure is driven to move and the vibrator component is driven to vibrate, and the magnetizing directions of the first permanent magnet and the second permanent magnet are parallel to the vibration direction of the vibrator; the magnetizing directions of the magnetic circuit structures are arranged along a clockwise direction or along a counterclockwise direction. The utility model discloses technical scheme makes vibrating motor's vibration effect better, and response time is shorter.

Description

Vibration motor and electronic apparatus

Technical Field

The utility model relates to an electronic product technical field, in particular to vibrating motor and electronic equipment who uses this vibrating motor.

Background

With the development of the field of mobile devices, in order to meet the increasing consumption demands of consumers, a vibration motor is generally arranged on a mobile terminal such as a mobile phone or a game machine, and when a user touches a display screen or a key, the vibration motor is electrically conducted, and a vibrator in the vibration motor reciprocates relative to a stator to generate a vibration effect, and the vibration effect is transmitted to the surface of the mobile device to be sensed by the user, so that vibration feedback is provided for the operation of the user, and the user can sense the execution of the operation.

In the practical application process, the vibration performance of the vibration motor is long, the response time of the vibration motor after electrical conduction is long, and vibration feedback cannot be executed in a short time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vibrating motor aims at making vibrating motor's vibration effect better, and response time is shorter.

In order to achieve the above object, the present invention provides a vibration motor, including:

a housing formed with an accommodating space;

the stator assembly comprises a coil, and the coil is accommodated in the accommodating space and is fixed on the shell; and

the vibrator assembly is positioned in the accommodating space and comprises a magnetic circuit structure which is arranged around the outer side of the coil, the magnetic circuit structure comprises a first permanent magnet and a second permanent magnet, and the first permanent magnet and the second permanent magnet are respectively positioned at two opposite sides of the coil; the two ends of the first permanent magnet, which are positioned at the same side of the coil, are respectively provided with a magnetic part, and the two ends of the second permanent magnet, which are positioned at the same side of the coil, are respectively provided with a magnetic part;

after the coil is electrified, the magnetic circuit structure is driven to move, the vibrator component is driven to vibrate, and the magnetizing directions of the first permanent magnet and the second permanent magnet are parallel to the vibration direction of the vibrator; the magnetizing directions of the magnetic circuit structures are arranged along the clockwise direction or along the anticlockwise direction.

Optionally, the magnetic members are all permanent magnets, and the magnetizing direction of the magnetic members is perpendicular to the vibration direction of the vibrator assembly.

Optionally, the magnetic members are all magnetic conductive blocks.

Optionally, a winding axis of the coil is perpendicular to a vibration direction of the vibrator.

Optionally, the stator assembly further comprises a soft magnet, and the coil is wound outside the soft magnet.

Optionally, the vibrator assembly further comprises:

the counterweight block is accommodated in the accommodating space and encloses to form a cavity, and the magnetic circuit structure is accommodated in the cavity and fixed on the counterweight block; and

elastic component, elastic component includes first elastic component and second elastic component, first elastic component with the second elastic component is located respectively the both sides of balancing weight, and follows vibrator component's vibration direction arranges, first elastic component with the second elastic component all connect in the balancing weight with the casing.

Optionally, the weight block comprises a first side wall and a second side wall which are oppositely arranged, and the first side wall and the second side wall extend along the vibration direction of the vibrator assembly;

the balancing weight further comprises a third side wall and a fourth side wall which are oppositely arranged, the third side wall and the fourth side wall are connected to the first side wall and the second side wall and enclose the cavity, the first elastic piece is connected to the third side wall and the shell, and the second elastic piece is connected to the fourth side wall and the shell.

Optionally, the first elastic element includes a first elastic arm and a second elastic arm, the first elastic arm is connected with one end of the second elastic arm, the free end of the first elastic arm is connected with the third side wall, the free end of the second elastic arm is connected with the casing, and an included angle between the first elastic arm and the second elastic arm is an acute angle.

Optionally, the free end of the first elastic arm is connected to a side of the third side wall adjacent to the first side wall;

the second elastic piece comprises a third elastic arm and a fourth elastic arm, the third elastic arm is connected with one end of the fourth elastic arm, the free end of the third elastic arm is connected with the fourth side wall adjacent to one side of the second side wall, the free end of the fourth elastic arm is connected with the shell, and the included angle between the third elastic arm and the fourth elastic arm is arranged at an acute angle.

The utility model also provides an electronic device, which comprises a vibration motor;

the vibration motor includes:

the stator assembly comprises a shell and a coil, wherein the shell is provided with an accommodating space, and the coil is accommodated in the accommodating space and fixed on the shell; and

after the coil is electrified, the magnetic circuit structure is driven to move, the vibrator component is driven to vibrate, the magnetizing directions of the first permanent magnet and the second permanent magnet are parallel to the vibration direction of the vibrator, and the magnetizing direction of the magnetic part is perpendicular to the vibration direction of the vibrator; the magnetizing directions of the magnetic circuit structures are arranged along the clockwise direction or along the anticlockwise direction.

The utility model discloses among the technical scheme, first permanent magnet and second permanent magnet combine a plurality of magnetic parts, under its interact, can make excessive magnetic line of force less among the magnetic structure, the magnetic line of force that does not have the effect to the vibration of oscillator reduces, and can use more concentrated in the magnetic line of force that drives the vibration of oscillator subassembly, and magnetic induction intensity is bigger for stator module is bigger to the drive power of oscillator subassembly, and this vibrating motor's response speed is fast, and vibration effect is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded view of an embodiment of the vibration motor of the present invention;

fig. 2 is a sectional view of the vibration motor of fig. 1;

fig. 3 is a schematic diagram of magnetic line distribution of the vibration motor in fig. 2 in which the magnetic member is a permanent magnet;

fig. 4 is a schematic view of distribution of magnetic lines of force in which the magnetic member in the vibration motor of fig. 2 is a magnetic conductive block.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Vibration motor	3133	Third magnetic member
10	Stator assembly	3134	Fourth magnetic member
				11	Shell body	314	Magnetic conductive yoke
111	First shell	32	Balancing weight
				112	Second shell	321	First side wall
13	Coil	322	Second side wall
				15	Soft magnetic body	323	Third side wall
16	Circuit board	324	The fourth side wall
				30	Vibrator assembly	50	Elastic component
31	Magnetic circuit structure	51	First elastic member
				311	First permanent magnet	511	First elastic arm
312	Second permanent magnet	513	Second elastic arm
				313	Magnetic member	53	Second elastic member
3131	First magnetic part	531	Third elastic arm
				3132	Second magnetic part	533	Fourth elastic arm

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the utility model provides a vibration motor 100, this vibration motor 100 is mainly applied to electronic equipment such as cell-phone or game machine, when the user carries out touch-control operation to electronic equipment, can trigger opening of vibration motor 100, make the coil 13 among the stator module 10 of vibration motor 100 circular telegram, circular telegram coil 13 produces magnetic field, and act on magnetic structure 31 among vibrator module 30, make magnetic structure 31 drive vibrator module 30 vibrate, be connected with elastic component 50 between stator module 10 and the vibrator module 30, this elastic component 50 can transmit vibrator module 30's vibration to stator module 10 on, thereby make the electronic equipment who uses this vibration motor 100 can produce vibration feedback, this vibration feedback is by the user perception, in order to indicate user touch-control operation to be carried out.

The utility model discloses a vibrating motor 100 includes casing 11, and the casing is formed with accommodating space. The vibration motor 100 further includes a stator assembly 10 and a vibrator assembly 30. The stator assembly 10 and the vibrator assembly 30 are accommodated in the accommodating space, and the case 11 encapsulates components of the vibration motor 100. The housing 11 may include a first housing 111 and a second housing 112 that are covered with each other, the first housing 111 may be a half-shell shape formed by combining a bottom wall and a side wall, the second housing 112 may be a shape similar to the first housing 111, or a flat plate structure, and the second housing 112 is connected to the side wall of the first housing 111 along a circumferential direction to form an accommodating space.

The stator assembly 10 includes a coil 13, and the coil 13 is accommodated in the accommodating space and fixed to the housing 11. The vibration motor 100 further includes a circuit board 16 for electrically connecting the coil 13, the circuit board 16 may be a flexible circuit board, a portion of the circuit board 16 is accommodated in the accommodating space of the housing 11 for connecting the coil 13, and another portion of the circuit board 16 is located outside the housing 11 for electrically connecting an external circuit structure, specifically, a main control board electrically connected to an electronic device.

The vibrator assembly 30 includes a magnetic structure 31 surrounding the outside of the coil 13, in the process of energizing the coil 13, the current inside the coil 13 flows through the coil 13 to generate a magnetic field, the magnetic field of the coil 13 acts on the magnetic structure 31, the magnetic structure 31 can reciprocate under the action of lorentz force, the magnetic structure 31 drives the vibrator assembly 30 to reciprocate relative to the stator assembly 10, and the reciprocating motion of the vibrator assembly 30 is transmitted to the housing 11 of the stator assembly 10 under the connection of the elastic assembly 50 so as to be perceived by a user.

The magnetic circuit structure 31 in the technical solution of the present invention includes a first permanent magnet 311 and a second permanent magnet 312, and the first permanent magnet 311 and the second permanent magnet 312 are respectively located on two opposite sides of the coil 13. The coil 13 may be formed by winding a copper wire into a turn, a winding axis of the coil 13 is perpendicular to a vibration direction of the vibrator assembly 30, winding directions of the copper wire in the coil 13 are the same, a plane formed by a turn formed by winding the copper wire may be defined as a winding plane of the coil 13, and a direction of a central connecting line of the first permanent magnet 311 and the second permanent magnet 312 is perpendicular to the winding plane of the coil 13.

The coil 13 in the stator assembly 10 may also be provided with a soft magnet 15 inside, and the coil 13 is wound outside the soft magnet 15, i.e. the copper wire in the coil 13 is wound around the outside of the soft magnet 15 in a plurality of turns. The soft magnet 15 enables a magnetic field generated by the electrified coil 13 to be stronger, the driving effect of the coil 13 on the magnetic circuit structure 31 can be stronger, the starting speed of the vibrator motor is high, and the vibration effect is stronger.

With reference to fig. 2, an arrow in fig. 2 shows a case of a magnetizing direction, a plurality of magnetic members 313 are further disposed outside the coil 13, the plurality of magnetic members 313 are disposed around the coil 13, the magnetic members 313 are respectively disposed at two ends of the first permanent magnet 311 on the same side as the coil 13, and the magnetic members 313 are respectively disposed at two ends of the second permanent magnet 312 on the same side as the coil 13;

after the coil 13 is electrified, the magnetic circuit structure 31 is driven to move and the vibrator assembly 30 is driven to vibrate, and the magnetizing directions of the first permanent magnet 311 and the second permanent magnet 312 are parallel to the vibration direction of the vibrator; the magnetization direction of the magnetic structure 31 is aligned in the clockwise direction or in the counterclockwise direction.

The utility model discloses among the technical scheme, first permanent magnet 311 and second permanent magnet 312 combine a plurality of magnetic part 313, under its interact, can make excessive magnetic line of force less in the magnetic structure 31, the magnetic line of force that does not have the effect to the vibration of oscillator reduces, and can use to concentrate more in the magnetic line of force that drives the vibration of oscillator subassembly 30, magnetic induction intensity is bigger, make stator module 10 bigger to the drive power of oscillator subassembly 30, this vibrating motor 100's response speed is fast, vibrate effectually.

Referring to fig. 3 and 4, the plurality of magnetic members 313 may be a first magnetic member 3131, a second magnetic member 3132, a third magnetic member 3133, and a fourth magnetic member 3134, respectively. The first and second

magnetic members

3131 and 3132 are positioned at one side of the coil 13 where the first permanent magnet 311 is disposed, and the first and second

magnetic members

3131 and 3132 are positioned at both ends of the first permanent magnet 311; the third and fourth

magnetic members

3133 and 3134 are positioned at one side of the coil 13 where the second permanent magnet 312 is disposed, and the third and fourth

magnetic members

3133 and 3134 are positioned at both ends of the second permanent magnet 312. The first magnetic member 3131, the first permanent magnet 311, and the second magnetic member 3132 are arranged along the vibration direction of the vibrator assembly 30; the fourth magnetic member 3134, the second permanent magnet 312, and the third magnetic member 3133 are arranged along the vibration direction of the vibrator assembly 30; the first and fourth

magnetic members

3131 and 3134 are symmetrically disposed with respect to the coil 13, and the second and third

magnetic members

3132 and 3133 are symmetrically disposed with respect to the coil 13.

The first magnetic element 3131, the first permanent magnet 311, the second magnetic element 3132, the third magnetic element 3133, the second permanent magnet 312, and the fourth magnetic element 3134 are arranged outside the coil 13 in a clockwise direction, and a magnetizing direction thereof is consistent with an arrangement direction thereof, and may be arranged in sequence in a clockwise or counterclockwise direction. The magnetizing directions of the first permanent magnet 311 and the second permanent magnet 312 are parallel to the winding plane of the coil 13, and the magnetizing directions of the first permanent magnet and the second permanent magnet are opposite; the magnetic members 313 may be all permanent magnets, and when the magnetic members 313 are permanent magnets, the magnetizing directions of the magnetic members 313 are perpendicular to the vibration direction of the vibrator assembly 30, that is, the magnetizing directions of the first magnetic member 3131, the second magnetic member 3132, the third magnetic member 3133, and the fourth magnetic member 3134 are perpendicular to the vibration direction of the vibrator assembly 30, and are also perpendicular to the winding plane of the coil 13.

In the embodiment shown in fig. 3, the direction of the magnetic force lines is shown in fig. 3, which shows a case of the magnetic structure 31 when the magnetic member 313 is a permanent magnet, that is, a case where the magnetizing direction in the magnetic structure 31 is arranged counterclockwise. The first magnetic member 3131, the second magnetic member 3132, the third magnetic member 3133, and the fourth magnetic member 3134 are permanent magnets. Due to the principle that two adjacent magnetic poles of two adjacent permanent magnets repel each other when the two adjacent magnetic poles are the same and attract each other when the two adjacent magnetic poles of two adjacent permanent magnets are different, the opposite poles attract each other on the sides of the first magnetic part 3131 and the first permanent magnet 311 away from the coil 13, which reduces the overflowing magnetic force lines, and the like poles repel each other on the sides of the first magnetic part 3131 and the first permanent magnet 311 toward the coil 13, which reduces the magnetic force lines not beneficial to the vibration effect of the vibrator assembly 30; the acting force between the second magnetic element 3132 and the first permanent magnet is similar to the acting force between the first magnetic element 3131 and the first permanent magnet, and is not described again. Likewise, the interaction of the third magnetic member 3133, the second permanent magnet 312, and the fourth magnetic member 3134 on the other side of the coil 13 also has a similar distance. As can be seen from the above analysis, in this embodiment, the interaction among the first magnetic element 3131, the first permanent magnet and the second magnetic element 3132, and the interaction among the third magnetic element 3133, the second permanent magnet and the fourth magnetic element 3134 make more magnetic lines, higher density and higher magnetic induction between the first magnetic element 3131 and the fourth magnetic element 3134, which are beneficial to the vibration effect of the vibrator assembly 30; similarly, the magnetic lines of force between the second magnetic element 3132 and the third magnetic element 3133 beneficial to the vibration effect of the vibrator assembly 30 are more, the density is higher, and the magnetic induction intensity is higher. With this structure, the vibration motor 100 has a better vibration effect and a faster response speed.

In the embodiment shown in fig. 4, the direction of the magnetic force lines is shown in fig. 4, and the plurality of magnetic members 313 may be all magnetic conductive blocks, that is, the plurality of magnetic members 313 have no magnetism, but can conduct the magnetism of the permanent magnet. The figure shows a case of the magnetic structure 31 when the magnetic member 313 is a magnetic conductive block, that is, a case where the magnetization direction in the magnetic structure 31 is arranged counterclockwise. The first magnetic element 3131, the second magnetic element 3132, the third magnetic element 3133, and the fourth magnetic element 3134 are all magnetic conductive blocks. Since the magnetic lines of force are preferentially conducted along the magnetic conductive block, the magnetic lines of force overflowing from the first permanent magnet 311 and the magnetic lines of force not beneficial to the vibration of the vibrator assembly 30 are reduced, and similarly, the magnetic lines of force overflowing from the second permanent magnet 312 and the magnetic lines of force not beneficial to the vibration of the vibrator assembly 30 are also reduced, and by the conduction of the first magnetic element 3131 and the fourth magnetic element 3134, the magnetic lines of force beneficial to the vibration of the vibrator assembly 30 on one side of the first permanent magnet 311 and the second permanent magnet 312 are more, the density is higher, and the magnetic induction intensity is higher, and similarly, by the conduction of the magnetic lines of force of the second magnetic element 3132 and the third magnetic element 3133 on the other side of the first permanent magnet 311 and the second permanent magnet 312, the vibration of the vibrator assembly 30 is more, the density is higher, and the magnetic induction intensity is higher. With this structure, the vibration motor 100 has a better vibration effect and a faster response speed. The mode that sets up a plurality of magnetism parts 313 to magnetic conduction structure not only can reduce the cost of material, does not have the repulsion moreover between magnetic conduction piece and first permanent magnet 311, does not have the repulsion between magnetic conduction piece and second permanent magnet 312 yet for the installation is more simple and convenient, has improved vibrating motor 100's installation effectiveness.

When the magnetic member 313 is a magnetic conductive block, the selected material may be pure iron, low-carbon steel, iron-silicon alloy or iron-aluminum alloy, or may be other material that has no magnetic property but can have a magnetic conductive effect, and is not limited specifically herein.

The magnetic circuit structure 31 may further include a magnetic conductive yoke 314, and the magnetic conductive yoke 314 may be disposed around the first permanent magnet 311, the second permanent magnet 312, and the plurality of magnetic members 313, so that magnetic lines of force of the magnetic circuit structure 31 are more concentrated to increase the vibration effect of the vibration motor 100.

The vibrator assembly 30 further includes a weight 32 and an elastic assembly 50 accommodated in the accommodating space, the weight 32 encloses to form a cavity, and the magnetic structure 31 is accommodated in the cavity and fixed to the weight 32. The elastic member 50 includes a first elastic member 51 and a second elastic member 53, the first elastic member 51 and the second elastic member 53 are respectively located at two sides of the weight 32 and arranged along the vibration direction of the vibrator member 30, and the first elastic member 51 and the second elastic member 53 are both connected to the weight 32 and the housing 11.

Coil 13 among the stator module 10 is circular telegram, the magnetic field that coil 13 produced can drive magnetic structure 31 and move, this magnetic structure 31 drives balancing weight 32 and moves together, in this process, connect in balancing weight 32 and casing 11's elastic component 50 can transmit vibrator module 30's vibration effect to casing 11, this balancing weight 32 has increased vibrator module 30's quality, make vibrator module 30's vibration effect stronger, vibrator module 30 transmits the vibration effect to casing 11 stronger, make vibrating motor 100's vibration feedback effect stronger.

Referring to fig. 4, the weight 32 includes a first side wall 321 and a second side wall 322 disposed oppositely, the first side wall 321 and the second side wall 322 extending along the vibration direction of the vibrator assembly 30; the weight further comprises a third side wall 323 and a fourth side wall 324 which are oppositely arranged, wherein the third side wall 323 and the fourth side wall 324 are both connected to the first side wall 321 and the second side wall 322 and enclose a cavity, the first elastic element 51 connects the third side wall 323 and the housing 11, and the second elastic element 53 connects the fourth side wall 324 and the housing 11.

The weight 32 encloses and forms a square frame structure, the housing 11 may also have a wall surface opposite to each side wall of the weight 32, so that the housing 11 encloses and forms a square accommodating space, the first elastic member 51 connects the two facing wall surfaces of the weight 32 and the housing 11, and the second elastic member 53 connects the two facing wall surfaces of the weight 32 and the housing 11, so that the elastic assembly 50 can more efficiently transmit the vibration effect of the vibrator assembly 30 to the housing 11 in the vibration process of the vibrator assembly 30.

Referring to fig. 4, the first elastic member 51 includes a first elastic arm 511 and a second elastic arm 513, one end of the first elastic arm 511 is connected to one end of the second elastic arm 513, a free end of the first elastic arm 511 is connected to the third side wall 323, a free end of the second elastic arm 513 is connected to the housing 11, and an included angle between the first elastic arm 511 and the second elastic arm 513 is set to be an acute angle.

In this embodiment, the first elastic member 51 is composed of the first elastic arm 511 and the second elastic arm 513 arranged at an included angle, and compared with the first elastic member 51 formed by only one elastic arm, the elastic coefficient of the first elastic member 51 composed of the first elastic arm 511 and the second elastic arm 513 is larger, the energy loss is smaller during the vibration transmission process, and the response speed is faster.

The structure of the second elastic member 53 may also be identical to the structure of the first elastic member 51, so that the vibration process is more uniform and the loss of kinetic energy is less. When the second elastic member 53 conforms to the structure of the first elastic member 51, the second elastic member 53 includes a third elastic arm 531 and a fourth elastic arm 533, the third elastic arm 531 is connected to one end of the fourth elastic arm 533, the free end of the third elastic arm 531 is connected to the fourth sidewall 324, the free end of the fourth elastic arm 533 is connected to the housing 11, and an included angle between the third elastic arm 531 and the fourth elastic arm 533 is set at an acute angle.

Further, in the first elastic member 51, the free end of the first elastic arm 511 is connected to the side of the third side wall 323 adjacent to the first side wall 321, and in the second elastic member 53, the free end of the third elastic arm 531 is connected to the side of the fourth side wall 324 adjacent to the second side wall 322, so that in the vibration motor 100, the first elastic member 51 and the second elastic member 53 are arranged in a central symmetry manner, and thus, the elastic assembly 50 can achieve the best vibration transmission effect and the connection to the vibrator assembly 30 is more stable.

The utility model discloses still provide an electronic equipment, this electronic equipment includes vibrating motor 100, and above-mentioned embodiment is referred to this vibrating motor 100's concrete structure, because this electronic equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

The electronic device may include a housing and a main control board installed inside the housing, the vibration motor 100 is installed inside the housing, and the coil 13 of the vibration motor 100 is electrically connected to the main control board. The casing is provided with a touch portion, the touch portion can receive touch of a user, the coil 13 of the vibration motor 100 is connected according to the touch, and the vibration motor 100 performs corresponding vibration feedback according to the touch of the touch portion. The touch part can be a pressure sensing part or a capacitance sensing part, and the touch part can be a touch display screen or a touch key.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A vibration motor, comprising:

a housing formed with an accommodating space;

2. The vibration motor of claim 1, wherein the magnetic members are permanent magnets, and a magnetizing direction of the magnetic members is perpendicular to a vibration direction of the vibrator assembly.

3. The vibration motor of claim 1, wherein the magnetic members are all magnetically conductive blocks.

4. The vibration motor of claim 3, wherein a winding axis of said coil is perpendicular to a vibration direction of said vibrator assembly.

5. Vibration motor according to any of claims 1 to 4, wherein said stator assembly further comprises a soft-magnetic body, said coil being wound outside said soft-magnetic body.

6. The vibration motor according to any one of claims 1 to 4, wherein the vibrator assembly further comprises:

7. The vibration motor of claim 6, wherein the weight block includes a first side wall and a second side wall disposed opposite to each other, the first side wall and the second side wall extending in a vibration direction of the vibrator assembly;

8. The vibration motor of claim 7, wherein the first elastic member comprises a first elastic arm and a second elastic arm, one end of the first elastic arm is connected with one end of the second elastic arm, the free end of the first elastic arm is connected with the third side wall, the free end of the second elastic arm is connected with the housing, and an included angle between the first elastic arm and the second elastic arm is set to be an acute angle.

9. The vibration motor of claim 8, wherein a free end of said first resilient arm is connected to a side of said third side wall adjacent to said first side wall;

10. An electronic device characterized by comprising the vibration motor according to any one of claims 1 to 9.