WO2020125160A1 - 振动电机 - Google Patents

振动电机 Download PDF

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Publication number
WO2020125160A1
WO2020125160A1 PCT/CN2019/110307 CN2019110307W WO2020125160A1 WO 2020125160 A1 WO2020125160 A1 WO 2020125160A1 CN 2019110307 W CN2019110307 W CN 2019110307W WO 2020125160 A1 WO2020125160 A1 WO 2020125160A1
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WO
WIPO (PCT)
Prior art keywords
stator
vibration motor
vibrator
housing
iron core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/110307
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English (en)
French (fr)
Inventor
张涛
崔志勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Holdings Nanjing Co Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Holdings Nanjing Co Ltd
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Filing date
Publication date
Application filed by AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Holdings Nanjing Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2020125160A1 publication Critical patent/WO2020125160A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

Definitions

  • the utility model relates to the field of vibration motors, in particular to a vibration motor applied to mobile communication equipment.
  • vibration motors for system feedback, such as mobile phone Call reminder, information reminder, navigation reminder, game machine vibration feedback, etc.
  • system feedback such as mobile phone Call reminder, information reminder, navigation reminder, game machine vibration feedback, etc.
  • the vibration motor generally includes a housing with a housing space, a vibrator accommodated in the housing space, a stator, and elastic members respectively connecting the housing and the vibrator.
  • the elastic member supports the vibrator to reciprocate in the horizontal direction in the housing to generate vibration.
  • the stator of the existing structure usually includes an iron core, a coil sleeved on the iron core, and pole shoes disposed at both ends of the iron core.
  • the iron core and the pole shoes located at both ends of the iron core are directly fixed by welding or gluing, occupying a large space.
  • the welding process inside the stator is complicated, and when the pole shoe is thick, it requires a large welding energy or cannot be welded at all, and the bonding strength is weak, which cannot be used as an effective process.
  • the utility model provides a new type of vibration motor, and the specific solution is:
  • a vibration motor which includes a housing having a housing space, a stator housed in the housing, a vibrator, and an elastic member that elastically supports the vibrator, the housing includes a top wall, and the top wall is opposite to the top wall A bottom wall and a side wall connecting the top wall and the bottom wall, the stator includes an iron core, a coil sleeved on the iron core, and pole shoes provided on both ends of the iron core, the pole shoes A relief portion formed from a recess near the inner surface of the iron core is provided, and the iron core is inserted into the relief portion.
  • the escape portion penetrates the pole shoe.
  • the coil abuts the inner surface of the pole shoe.
  • the iron core includes a central portion and a protruding portion protruding from the central portion in the direction of the pole shoe, and the protruding portion is inserted into the escape portion.
  • the central portion abuts the pole shoe.
  • the pole shoe includes a main body part and a positioning column protruding from the main body part toward the bottom wall and/or the top wall, and the bottom wall and/or the top wall are provided with the positioning column Matching fixing holes.
  • the vibrator includes a magnetic circuit system
  • the magnetic circuit system includes magnet portions disposed at both ends and/or both sides of the stator, the magnet portion encloses a receiving space for receiving the stator, and the stator It is accommodated in the accommodating space and is spaced apart from the magnet part.
  • the magnet part includes a magnetic steel and a pole core provided on the side of the magnetic steel away from the stator.
  • the vibrator further includes a weight block
  • the weight block includes an upper surface corresponding to the top wall and a lower surface corresponding to the bottom wall, and penetrates the upper surface and the lower surface
  • the through hole, the magnetic circuit system is placed in the through hole, and the pole core is attached to the inner surface of the through hole.
  • the weight block is further provided with a recessed portion formed from the upper surface and/or the lower surface
  • the vibrator further includes a hollow splint placed in the recessed portion
  • the magnetic circuit system Abutting the clamping plate, the inner edge of the clamping plate is disposed around the stator, and the distance between the stator and the inner edge is not less than the maximum amplitude of the vibrator.
  • the vibration motor of the present invention includes a housing with a housing space, a stator housed in the housing, a vibrator, and an elastic member that elastically supports the vibrator.
  • the stator includes an iron core, a coil sleeved on the iron core, and two iron cores.
  • the vibrator is provided with a magnetic steel surrounding the coil, the pole shoe is provided with an escape portion, and the iron core is inserted into the escape portion, on the one hand, saving space, on the other hand, when welding the iron core and the pole shoe to fix, due to the avoidance
  • the thickness of the pole shoes in the welding area is reduced, the welding energy required is also reduced, and the welding difficulty is reduced, which greatly improves the stability of the vibration motor; when the escape portion penetrates the pole shoes, the welding can be performed directly outside the stator to improve production efficiency And product yield.
  • Figure 1 is a schematic diagram of the vibration motor of the present invention
  • FIG. 2 is a schematic diagram of the exploded structure of the first embodiment of the vibration motor of the present invention.
  • FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 1;
  • FIG. 4 is a schematic cross-sectional view of a second embodiment of the vibration motor of the present invention.
  • the present invention provides a vibration motor 100 including a housing 1, a stator 2 housed in the housing 1, a vibrator 3, and an elastic member 4 that elastically supports the vibrator 3.
  • the housing 1 includes an upper housing 11 and a lower housing 12 that cooperates with the upper housing 11 to form a receiving space.
  • the upper casing 11 includes a top wall 111 and a side wall 112 bent and extending from the top wall 111.
  • the lower housing 12 includes a bottom wall 121 corresponding to the top wall 111, and the vibration motor 100 further includes a recess from the bottom wall 121 toward the top wall 111 and/or a recess from the top wall 111 toward the bottom wall 121 for fixing the stator 2 ⁇ 122 ⁇ The fixing hole 122.
  • the stator 2 is fixed on the housing 1, and the elastic member 4 is connected to the vibrator 2 at one end and to the side wall 112 of the housing 1 at one end.
  • the stator 2 specifically includes an iron core 21, a coil 22 sleeved on the iron core 21, and pole shoes 23 provided at both ends of the iron core.
  • the pole shoes 23 include a body portion 231 and a bottom wall 121 and/or a top wall from the body portion 231
  • the positioning column 232 protruding in the direction 111 is provided with a fixing hole 122 matching the positioning column 232 on the bottom wall 121 and/or the top wall 111.
  • the positioning post 232 is inserted into the fixing hole 122 so that the pole shoe 23 is fixed on the housing 1, and then the stator 2 is fixed on the housing 1.
  • the pole shoe 23 is also provided with a relief portion 233 recessed from the inner surface close to the iron core 21, and the iron core 21 is inserted into the relief portion 233 to achieve the fixation between the iron core 21 and the pole shoe 23. Inserting the iron core 21 into the escape portion 233 saves the space occupied by the stator 2 on the one hand, and when welding the iron core 21 and the pole shoe 23 on the other hand, the thickness of the pole shoe 23 in the welding area decreases due to the escape portion 233 , The welding energy required is also reduced, the difficulty of welding is reduced, and the stability of the vibration motor is greatly improved.
  • the escape portion 233 penetrates the pole shoe 23. At this time, welding can be performed directly outside the stator 2 to improve production efficiency and product yield
  • the coil 22 conforms to the inner surface of the pole shoe 23.
  • the iron core 21 has a rectangular structure
  • the coil 22 has a ring structure
  • the inner surface of the coil 22 is attached to the outer surface of the iron core 21.
  • the vibrator 3 includes a magnetic circuit system (not labeled in the figure).
  • the magnetic circuit system includes magnet portions 30 provided at both ends and/or both sides of the stator.
  • the magnet portions enclose an accommodation space for accommodating the stator 2 and the stator 2 is accommodated in the accommodation space
  • the magnet part 30 includes a magnetic steel 31 and a pole core 32 provided on the side of the magnetic steel 31 away from the stator 2.
  • the distance between the stator 2 and the magnetic steel 31 is not less than the maximum amplitude of the vibrator 3.
  • the magnetic steel 31 is distributed on both ends and both sides of the stator 2 and is composed of four sub-magnetic steels 311.
  • the magnetic steel 31 is provided with two pole cores 32 surrounding the receiving space on the side away from the stator 2
  • the magnetic steel 31 and the stator 2 are sequentially stored in the storage space of the pole core 32.
  • the vibrator 3 may further include a weight 33 including an upper surface corresponding to the top wall 111 and a lower surface corresponding to the bottom wall 121, and a rectangular through hole 331 penetrating the upper surface and the lower surface.
  • the pole core 32 may be composed of at least two connected end to end, or may be a whole ring or a rectangular structure, and the outer surface of the pole core 32 is in contact with the inner surface of the rectangular through hole 331.
  • the magnetic circuit system 30 is placed in a rectangular through hole 331.
  • the counterweight 33 is further provided with a recessed portion 332 formed by recessing from the upper surface and/or the lower surface
  • the vibrator 3 further includes a hollow clamping plate 34 disposed in the recessed portion 332, and the magnetic circuit system 30 abuts the clamping plate 34,
  • the inner edge of the clamping plate 34 is arranged around the stator 2, and the distance between the stator 2 and the inner edge is not less than the maximum amplitude of the vibrator 3. It can be ensured that when the vibrator 3 vibrates, the stator 2 is not affected.
  • the splint 34 includes an upper splint 341 and a lower splint 342. As shown in FIG. 2, the upper splint 341 and the lower splint 342 are respectively provided with hollow rings to ensure that the pole shoe 23 can pass through the hollow splint 34 and The housing 1 is fixedly fitted to realize the electrical connection between the coil 22 and the outside.
  • the elastic member 4 is a sheet-shaped spring piece. One end of the elastic member 4 is connected to the vibrator 3 and the other end is connected to the side wall 112 of the housing 1 to provide elastic support for the vibrator. Specifically, it includes a first elastic portion 41 connected to the side wall 112 of the housing 1, a second elastic portion 42 connected to the vibrator 3, and a connecting portion 43 connecting the first elastic portion 41 and the second elastic portion 42.
  • the elastic member 4 further includes a reinforcing piece 44 fixed to the connection between the elastic member 4 and the side wall 112 of the housing 1 and/or the vibrator 3.
  • the reinforcing piece 44 is fixed to the connection between the elastic member 4 and the side wall 112 of the housing 1 and/or the vibrator 3, which not only enhances the coupling force of the elastic member 4, but also prevents the elastic member 4 from being bent excessively and breaking.
  • the elastic member 4 is preferably a U-shaped spring.
  • the lower housing 12 is provided with a PCB board 5 for electrically connecting the vibration motor and the outside.
  • the improvement is that the iron core 21 of the vibration stand 200 includes a center portion 211 and a self-center portion
  • the protruding portion 212 protruding toward the pole shoe 23 is inserted into the escape portion 233.
  • the central portion 211 abuts the pole shoe 23.
  • the position of the core 21 inserted into the pole shoe 23 can be adjusted as needed. With such an engaging structure, the position of the core 21 can be reliably positioned Sex.
  • the vibration motor of the present invention includes a housing with a housing space, a stator housed in the housing, a vibrator, and an elastic member that elastically supports the vibrator.
  • the stator includes an iron core, a coil sleeved on the iron core, and two iron cores.
  • the vibrator is provided with a magnetic steel surrounding the coil, the pole shoe is provided with an escape portion, and the iron core is inserted into the escape portion, on the one hand, saving space, on the other hand, when welding the iron core and the pole shoe to fix, due to the avoidance
  • the thickness of the pole shoes in the welding area is reduced, the welding energy required is also reduced, and the welding difficulty is reduced, which greatly improves the stability of the vibration motor; when the escape portion penetrates the pole shoes, the welding can be performed directly outside the stator to improve production efficiency And product yield.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

一种振动电机（100），包括具有收容空间的壳体（1）、收容于壳体（1）的定子（2）、振子（3）以及弹性支撑振子（3）的弹性部件（4），所述壳体（1）包括顶壁（111）、与顶壁（111）相对设置的底壁（121）以及连接所述顶壁（111）和所述底壁（121）的侧壁（112），所述定子（2）包括铁芯（21）、套设在所述铁芯（21）上的线圈（22）及设置在所述铁芯（21）两端的极靴（23），所述极靴（23）设有自靠近所述铁芯（21）的内表面凹陷形成的避让部（233），所述铁芯（21）插入所述避让部（233）中，一方面节省占用空间，另一方面将铁芯（21）与极靴（23）焊接固定时，由于设置了避让部（233），焊接区域极靴（233）的厚度减小，所需的焊接能量也减少，焊接难度降低，大大提高了振动电机（100）的稳定性；避让部（233）贯穿极靴（23）时，可直接在定子（2）外部进行焊接，提高生产效率及产品良率。

Description

振动电机 技术领域
本实用新型涉及振动电机领域，尤其涉及一种应用于移动通信设备的振动电机。
 背景技术
随着电子技术的发展，便携式消费性电子产品越来越受人们的追捧，如手机、掌上游戏机、导航装置或掌上多媒体娱乐设备等，一般都会用到振动电机来做系统反馈，比如手机的来电提示、信息提示、导航提示、游戏机的振动反馈等。如此广泛的应用，就要求振动电机的性能高，使用寿命长。
 技术问题
振动电机通常包括具有收容空间的壳体、收容于所述收容空间的振子、定子、分别连接壳体与振子的弹性部件，弹性部件支撑振子在壳体内沿水平方向往复运动产生振动。现有结构的定子通常包括铁芯、套设在铁芯上的线圈及设置在铁芯两端的极靴，铁芯与位于其两端的极靴直接通过焊接或胶粘固定，占用空间较大，在定子内部焊接工艺复杂，且当极靴较厚时，需要较大的焊接能量或者根本无法焊接，粘接结合力较弱，无法作为有效的工艺过程。
因此，需要提供一种新的振动电机以解决上述问题。
 技术解决方案
本实用新型为解决上述问题，而提供一种新型的振动电机，具体方案为：
提供一种振动电机，包括具有收容空间的壳体、收容于所述壳体的定子、振子以及弹性支撑所述振子的弹性部件，所述壳体包括顶壁、与所述顶壁相对设置的底壁以及连接所述顶壁和所述底壁的侧壁，所述定子包括铁芯、套设在所述铁芯上的线圈及设置在所述铁芯两端的极靴，所述极靴设有自靠近所述铁芯的内表面凹陷形成的避让部，所述铁芯插入所述避让部中。
优选的，所述避让部贯穿所述极靴。
优选的，所述线圈抵接所述极靴的内表面。
优选的，所述铁芯包括中心部和自所述中心部向所述极靴方向凸出的凸出部，所述凸出部插入所述避让部中。
优选的，所述中心部抵接所述极靴。
优选的，所述极靴包括主体部和自所述主体部向所述底壁和/或顶壁方向凸出的定位柱，所述底壁和/或顶壁上设置有与所述定位柱相匹配的固定孔。
优选的，所述振子包括磁路系统，所述磁路系统包括设置于所述定子两端和/或两侧的磁体部，所述磁体部围成收容所述定子的收容空间，所述定子收容于所述收容空间内并与所述磁体部间隔设置，所述磁体部包括磁钢及设置于所述磁钢远离所述定子一侧的极芯。
优选的，所述振子还包括配重块，所述配重块包括与所述顶壁相对应的上表面和与所述底壁相对应的下表面以及贯穿所述上表面与所述下表面的通孔，所述磁路系统置于所述通孔内，所述极芯贴合所述通孔的内表面。
优选的，所述配重块还设有自所述上表面和/或所述下表面凹陷形成的凹陷部，所述振子还包括置于所述凹陷部内的中空的夹板，所述磁路系统抵接所述夹板，所述夹板的内边缘环绕所述定子设置，且所述定子与所述内边缘之间的距离不小于所述振子的最大振幅。
 有益效果
本实用新型的振动电机，包括具有收容空间的壳体、收容于壳体的定子、振子以及弹性支撑振子的弹性部件，定子包括铁芯、套设在铁芯上的线圈及设置在铁芯两端的极靴，振子上设置有环绕线圈的磁钢，极靴设置避让部，铁芯插入避让部中，一方面节省占用空间，另一方面将铁芯与极靴焊接固定时，由于设置了避让部，焊接区域极靴的厚度减小，所需的焊接能量也减少，焊接难度降低，大大提高了振动电机的稳定性；避让部贯穿极靴时，可直接在定子外部进行焊接，提高生产效率及产品良率。
 附图说明
图1为本实用新型振动电机的示意图；
图2为本实用新型振动电机第一种实施方式的分解结构示意图；
图3为沿图1中A-A线的截面示意图；
图4为本实用新型振动电机第二种实施方式的截面示意图；
 本发明的实施方式
下面结合附图对本实用新型进一步说明。
实施例一
如图1至图3所示，本实用新型提供一种振动电机100，包括壳体1、收容在壳体1内的定子2、振子3、弹性支撑振子3的弹性部件4。
壳体1包括上壳体11和与上壳体11配合形成收容空间的下壳体12。具体在本实施方式中，上壳体11包括顶壁111和自顶壁111弯折延伸的侧壁112。下壳体12包括与顶壁111对应的底壁121，振动电机100还包括自底壁121向顶壁111方向凹陷的和/或自顶壁111向底壁121方向凹陷的用于固定定子2的固定孔122。定子2固定在壳体1上，弹性部件4一端与振子2相连，一端与壳体1的侧壁112相连。
定子2具体包括铁芯21、套设在铁芯21上的线圈22及设置在铁芯两端的极靴23，极靴23包括主体部231和自主体部231向底壁121和/或顶壁111方向凸出的定位柱232，底壁121和/或顶壁111上设置有与定位柱232相匹配的固定孔122。定位柱232插入该固定孔122内从而使得极靴23固定在壳体1上，进而使得定子2固定在壳体1上。极靴23还设有自靠近铁芯21的内表面凹陷形成的避让部233，铁芯21插入避让部233中，从而实现铁芯21与极靴23之间的固定。铁芯21插入避让部233中，一方面节省了定子2占用的空间，另一方面将铁芯21与极靴23焊接固定时，由于设置了避让部233，焊接区域极靴23的厚度减小，所需的焊接能量也减少，焊接难度降低，大大提高了振动电机的稳定性。
优选的，避让部233贯穿极靴23。此时可直接在定子2外部进行焊接，提高生产效率及产品良率
更优选的，线圈22贴合极靴23的内表面。
在本实施方式中，铁芯21为矩形状结构，线圈22为环状结构，线圈22的内表面贴附在铁芯21的外表面上。
振子3包括磁路系统（图中未标号），磁路系统包括设置于定子两端和/或两侧的磁体部30，磁体部围成收容定子2的收容空间，定子2收容于收容空间内并与磁体部30间隔设置，磁体部30包括磁钢31及设置于磁钢31远离定子2一侧的极芯32。定子2与磁钢31之间的距离不小于振子3的最大振幅。
在本实施方式中，磁钢31分布于定子2的两端和两侧，由四个子磁钢311组成，磁钢31远离定子2的一侧设有两个围成收容空间的极芯32，磁钢31和定子2依序收容于极芯32的收容空间内。
振子3还可以包括配重块33，配重块33包括与顶壁111相对应的上表面和与底壁121相对应的下表面以及贯穿上表面与下表面的矩形通孔331。极芯32可以由首尾相连的至少两个组成，也可以是一个整体的圆环或矩形状结构，极芯32的外表面与矩形通孔331的内表面贴合。磁路系统30置于矩形通孔331内。
优选的，配重块33还设有自上表面和/或下表面凹陷形成的凹陷部332，振子3还包括置于凹陷部332内的中空的夹板34，磁路系统30抵接夹板34，夹板34的内边缘环绕定子2设置，且定子2与内边缘之间的距离不小于振子3的最大振幅。可保证振子3振动时，定子2不受影响。
在本实施方式中，夹板34包括上夹板341和下夹板342，如图2所示，上夹板341和下夹板342上分别设置有中空的环形，保证极靴23可穿过中空的夹板34与壳体1固定配合，实现线圈22与外部的电连接。
弹性部件4为片状的弹簧片，弹性部件4一端与振子3相连，另一端与壳体1的侧壁112相连，为振子提供弹性支撑。具体包括与壳体1的侧壁112相连的第一弹性部41、与振子3相连的第二弹性部42以及连接第一弹性部41与第二弹性部42的连接部43。弹性部件4还包括固定于弹性部件4与壳体1的侧壁112和/或振子3连接处的加强片44。加强片44固定于弹性部件4与壳体1的侧壁112和/或振子3连接处，不但可以增强弹性部件4的结合力，还可以防止弹性部件4过度弯折而断裂。在本实用新型中，弹性部件4优选的为U型弹簧。
下壳体12上设置有用于实现振动电机与外部电连接的PCB板5。
实施例二
参照图4所示，为本实用新型的第二种实施方式，其是对第一种实施方式做出的改进，改进之处在于，振动单机200的铁芯21包括中心部211和自中心部向极靴23方向凸出的凸出部212，凸出部212插入避让部233中。
优选的，中心部211抵接极靴23。
本实施例通过设置凸出部212，并使得中心部211抵接极靴23，可根据需要调节铁芯21插入极靴23的位置，通过这样的卡合结构，提高铁芯21位置定位的可靠性。
本实用新型的振动电机，包括具有收容空间的壳体、收容于壳体的定子、振子以及弹性支撑振子的弹性部件，定子包括铁芯、套设在铁芯上的线圈及设置在铁芯两端的极靴，振子上设置有环绕线圈的磁钢，极靴设置避让部，铁芯插入避让部中，一方面节省占用空间，另一方面将铁芯与极靴焊接固定时，由于设置了避让部，焊接区域极靴的厚度减小，所需的焊接能量也减少，焊接难度降低，大大提高了振动电机的稳定性；避让部贯穿极靴时，可直接在定子外部进行焊接，提高生产效率及产品良率。
尽管上面已经示出和描述了本实用新型的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本实用新型的限制，本领域的普通技术人员在本实用新型的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (9)

  1. 一种振动电机，包括具有收容空间的壳体、收容于所述壳体的定子、振子以及弹性支撑所述振子的弹性部件，所述壳体包括顶壁、与所述顶壁相对设置的底壁以及连接所述顶壁和所述底壁的侧壁，所述定子包括铁芯、套设在所述铁芯上的线圈及设置在所述铁芯两端的极靴，其特征在于，所述极靴设有自靠近所述铁芯的内表面凹陷形成的避让部，所述铁芯插入所述避让部中。
  2. 根据权利要求1所述的振动电机，其特征在于，所述避让部贯穿所述极靴。
  3. 根据权利要求1所述的振动电机，其特征在于，所述线圈抵接所述极靴的内表面。
  4. 根据权利要求1所述的振动电机，其特征在于，所述铁芯包括中心部和自所述中心部向所述极靴方向凸出的凸出部，所述凸出部插入所述避让部中。
  5. 根据权利要求4所述的振动电机，其特征在于，所述中心部抵接所述极靴。
  6. 根据权利要求1所述的振动电机，其特征在于，所述极靴包括主体部和自所述主体部向所述底壁和/或顶壁方向凸出的定位柱，所述底壁和/或顶壁上设置有与所述定位柱相匹配的固定孔。
  7. 根据权利要求1所述的振动电机，其特征在于，所述振子包括磁路系统，所述磁路系统包括设置于所述定子两端和/或两侧的磁体部，所述磁体部围成收容所述定子的收容空间，所述定子收容于所述收容空间内并与所述磁体部间隔设置，所述磁体部包括磁钢及设置于所述磁钢远离所述定子一侧的极芯。
  8. 根据权利要求7所述的振动电机，其特征在于，所述振子还包括配重块，所述配重块包括与所述顶壁相对应的上表面和与所述底壁相对应的下表面以及贯穿所述上表面与所述下表面的通孔，所述磁路系统置于所述通孔内，所述极芯贴合所述通孔的内表面。
  9. 根据权利要求8所述的振动电机，其特征在于，所述配重块还设有自所述上表面和/或所述下表面凹陷形成的凹陷部，所述振子还包括置于所述凹陷部内的中空的夹板，所述磁路系统抵接所述夹板，所述夹板的内边缘环绕所述定子设置，且所述定子与所述内边缘之间的距离不小于所述振子的最大振幅。
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