CN106208605B - Species linear vibration motor - Google Patents

Species linear vibration motor Download PDF

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Publication number
CN106208605B
CN106208605B CN201610717577.3A CN201610717577A CN106208605B CN 106208605 B CN106208605 B CN 106208605B CN 201610717577 A CN201610717577 A CN 201610717577A CN 106208605 B CN106208605 B CN 106208605B
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surface
mass
arm
vibration motor
damping member
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CN201610717577.3A
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Chinese (zh)
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CN106208605A (en
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史德璋
朱跃光
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歌尔股份有限公司
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K33/00Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs

Abstract

本发明提供了种线性振动马达,其包括壳体、振动组件和定子组件,其中,振动组件包括质量块、永磁体和弹片,定子组件包括线圈和由柔性材料制成的阻尼件,质量块上设有用于放置阻尼件的台阶面,阻尼件具有至少部分与台阶面的侧壁相贴的第表面;弹片具有与阻尼件的第二表面相对应的中间臂以及分别设置在中间臂的两端的第连接臂和第二连接臂,第二表面与第表面相对应,第连接臂与壳体固定连接,第二连接臂与质量块固定连接。 The present invention provides a kind of linear vibration motor, which includes a housing, a stator assembly and a vibration assembly, wherein the assembly includes a vibrating mass, shrapnel and the permanent magnets, the stator assembly includes a coil and a damping member made of a flexible material, the mass the stepped surface is provided for placing the damping member, the damping member having a stepped sidewall surface at least partially affixed to the first surface of the phase; elastic sheet member having a second damping surface corresponding to the intermediate arm, and are respectively disposed at both ends of the intermediate arm the first connecting arm and a second arm connected to the second surface and the second surface corresponding to the first link arm fixedly connected with the housing, the second connecting arm connected to the fixed mass. 本发明的阻尼件装配简单,装配流程易控,不易失效。 Damper assembly according to the present invention is simple, easy to control the assembly process, the failure difficult.

Description

一种线性振动马达 A linear vibration motor

技术领域 FIELD

[0001 ]本发明涉及振动设备领域,更具体地,涉及一种线性振动马达。 [0001] The present invention relates to the field vibration device, and more particularly, to a linear vibration motor.

背景技术 Background technique

[0002]随着通信技术的发展,手机、掌上游戏机或者掌上多媒体娱乐设备等便携式电子产品变得越来越普及。 [0002] With the development of communication technology, mobile phones, handheld game consoles or handheld multimedia entertainment devices and other portable electronic products are becoming increasingly popular. 为了方便实现人与便携式电子产品之间的交互,通常采用线性振动马达来实现例如是手机的来电提示、游戏机的振动反馈等功能。 In order to facilitate the achievement of the interaction between man and portable electronics, for example, to achieve a mobile phone incoming call alert, vibration feedback game machine functions generally linear vibration motor. 然而,随着人们对便携式电子产品性能要求的提高,其内部各种元器件的性能要求也随之提高,线性振动马达也不例外。 However, as people improve the performance requirements of portable electronic products, the internal components of the various performance requirements increase as the linear vibration motor is no exception.

[0003] 现有的线性振动马达通常包括壳体、振动组件和定子组件,其中,振动组件通常由质量块、永磁体以及弹片组成,定子组件通常由FPCB、阻尼件、限位块以及线圈组成,阻尼件起到控制线性振动马达的振动幅度和振动响应速度的作用。 [0003] The conventional linear vibration motor generally includes a housing, a stator assembly and a vibration assembly, wherein the vibrating component mass usually consists of a permanent magnet and a elastic piece composed by a stator assembly generally the FPCB, the damping member, and the stopper coils , the damping member functions to control the vibration amplitude and vibration speed of response of the linear vibration motor. 具体地,壳体上有密闭的收容空间,振动组件和定子组件均位于上述收容空间中,线圈通电后永磁体在电磁推力的作用下带动弹片和质量块一起作往复有规律的振动,从而实现线性振动马达的振动功能。 Specifically, a sealed housing space, vibration and stator assemblies are positioned in the housing space, the coil is energized to drive the permanent magnet and shrapnel mass under the action of the electromagnetic force regular reciprocally vibrates with the housing, in order to achieve functional linear vibration motor vibration.

[0004] 现有的阻尼件通常为设于质量块上的磁液,由于磁液起到的阻尼作用受到磁液量和磁液分布状态的影响较大,而生产过程中难以有效控制流动性强的磁液,因此以磁液为阻尼件时的线性振动马达良品率低。 [0004] The conventional damping member is generally provided on the magnetic fluid mass, the damping effect of the magnetic fluid greatly affected functions of distribution and amount of the magnetic fluid a magnetic fluid, and the production process is difficult to effectively control the flow of strong magnetic fluid, the magnetic fluid is therefore Ma Daliang linear vibration damping member when the product is low. 而且线性振动马达在经过例如是碰撞试验或跌落试验等可靠性试验后,磁液易失效,严重影响影响线性振动马达的振动响应性能。 And the linear vibration motor, for example, after the collision test or drop test reliability tests such as magnetic fluid prone to failure, seriously affect the performance impact vibration response of the linear vibration motor.

发明内容 SUMMARY

[0005] 本发明的一个目的是提供一种线性振动马达的新技术方案,以简化阻尼件的装配流程,提高线性振动马达的良品率,以及防止阻尼件因线性振动马达的可靠性试验失效。 [0005] An object of the present invention is to provide a linear vibration motor new technical solutions to simplify the assembly process of the damping member, to improve the yield of the linear vibration motor, and to prevent the damping member of the linear vibration motor due to the reliability test failure.

[0006] 根据本发明的第一方面,提供了一种线性振动马达,包括壳体、振动组件和定子组件,其中,振动组件包括质量块、永磁体和弹片,定子组件包括线圈和由柔性材料制成的阻尼件,所述质量块上设有用于放置所述阻尼件的台阶面,所述阻尼件具有至少部分与所述台阶面的侧壁相贴的第一表面;所述弹片具有与所述阻尼件的第二表面相对应的中间臂以及分别设置在所述中间臂的两端的第一连接臂和第二连接臂,所述第二表面与所述第一表面相对应,所述第一连接臂与所述壳体固定连接,所述第一连接臂与所述质量块固定连接。 [0006] According to a first aspect of the present invention, there is provided a linear vibration motor, comprising a housing, a stator assembly and a vibration assembly, wherein the assembly includes a vibrating mass, shrapnel and the permanent magnet, and a stator coil assembly comprising a flexible material a damping member made of the stepped surface provided for placement on the mass of the damping member, the damping member having at least a first surface portion of the sidewall of the stepped surface of the paste phase; the leaf spring having the second damping surface corresponding to the intermediate member and the arm are respectively provided at both ends of the intermediate arm of the first connecting arm and a second arm connected to the second surface and the first surface corresponding to the a first arm fixedly connected to said connector housing, the first connecting arm connected to the fixed mass.

[0007] 可选的,所述台阶面的侧壁具有形成夹角的第一面和第二面,所述第一表面的形状与所述侧壁的形状相匹配。 [0007] Alternatively, the sidewall of the stepped surface having a first surface and a second surface forming an angle, the shape of the sidewall surface of the first match.

[0008] 可选的,所述阻尼件与所述台阶面的底壁固定连接。 [0008] Optionally, the damping member is fixedly connected to the bottom wall of the stepped surface.

[0009] 可选的,所述阻尼件的材质为泡棉。 [0009] Optionally, the damping member is made of foam.

[0010]可选的,所述台阶面为两个,且两个所述台阶面分别设于所述质量块的长度方向上的两端。 [0010] Optionally, the two stepped surface, and the two stepped faces are respectively provided at both ends in the longitudinal direction of the mass.

[0011]可选的,所述第二表面的形状与所述中间臂和所述第二连接臂的形状相匹配,且所述中间臂和所述第二连接臂与所述第二表面相贴。 [0011] Optionally the shape of the second surface of the intermediate match the shape of the connecting arm and the second arm and said intermediate arm and the second arm and the second connecting surface of paste.

[0012] 可选的,所述中间臂与所述台阶面的底壁相对应的表面为斜坡面,以避免所述弹片在振动过程中与所述底壁碰撞。 [0012] Alternatively, the intermediate arm and the bottom wall surface of the stepped surface corresponding to the ramp surface, the leaf spring in order to avoid collision with said bottom wall during vibration.

[0013] 可选的,所述壳体包括上壳和下壳,所述线圈固定在所述下壳上,所述第一连接臂与所述上壳固定连接,且所述第一连接臂远离所述上壳的表面上和所述第二连接臂远离所述质量块的表面上均设有挡块。 [0013] Optionally, the housing comprises upper and lower shells, the coil is fixed to the lower case, the first connecting arm is fixedly connected to the upper shell, and the first connecting arm away from the upper surface of the housing and the second connecting arm away from the upper surface of the mass are provided with a stopper.

[0014] 可选的,所述质量块上设有与所述线圈相对应的凹部,以在所述质量块静止时容纳所述线圈;所述凹部在沿着所述质量块的长度方向上的两侧设有与所述下壳相对应的限位凸起,以限制所述质量块的振动行程。 [0014] Optionally, the portion of the coil is provided with a recess corresponding to the mass in the receiving coil at rest mass; the concave portion in the direction along the longitudinal direction of the mass the projection is provided on both sides of the lower casing corresponding to the limit, to limit the stroke of the vibration mass.

[0015] 可选的,所述振动组件还包括设于所述质量块嵌设有所述永磁体一侧的华司板, 所述华司板与所述壳体和/或所述质量块固定连接。 [0015] Optionally, the assembly further comprises a vibration mass disposed in said insert has a washer plate side of said permanent magnet, said washer plate and the housing and / or the mass fixed connection.

[0016] 本发明的发明人发现,在现有技术中,确实存在线性振动马达良品率低和磁液易失效的问题。 The inventors of the [0016] present invention found that, in the prior art, there are problems of low and linear vibration Ma Daliang product prone to failure of the magnetic fluid. 因此,本发明所要实现的技术任务或者所要解决的技术问题是本领域技术人员从未想到的或者没有预期到的,故本发明是一种新的技术方案。 Therefore, the present invention is to be achieved or technical tasks to be solved the technical problem to those skilled never thought of or not anticipated, so the present invention is a new technical solution.

[0017]本发明的一个有益效果在于,由柔性材料制成的阻尼件在线性振动马达振动时处于弹片的中间臂和质量块的台阶面之间,不同于现有的磁液,阻尼件装配简单,装配流程易控,可有效提高线性振动马达的良品率,而且本发明的阻尼件不会因可靠性试验失效,可有效保证线性振动马达的振动响应性能。 [0017] One benefit of the present invention is that, between the intermediate arm and the stepped surface of the mass of the motor shrapnel made of a flexible material, the vibration damping member of the linear vibration, unlike the conventional magnetic fluid, the damping member assembly simple, easy to control the assembly process, can improve the yield of the linear vibration motor, and the damping device of the present invention will not fail reliability testing, can effectively ensure the linear vibration motor vibration response performance.

[0018]通过以下参照附图对本发明的示例性实施例的详细描述,本发明的其它特征及其优点将会变得清楚。 [0018] reference to the drawings in detail by the following description of exemplary embodiments of the present invention, other features and advantages of the invention will become apparent.

附图说明 BRIEF DESCRIPTION

[0019]被结合在说明书中并构成说明书的一部分的附图示出了本发明的实施例,并且连同其说明一起用于解释本发明的原理。 [0019] are incorporated in and constitute a part of the specification, illustrate an embodiment of the present invention, and together with the description serve to explain the principles of the invention.

[0020]图1为本发明线性振动马达实施例的爆炸图; [0020] FIG 1 an exploded view of a linear vibration motor according to an embodiment of the present invention;

[0021]图2为本发明线性振动马达实施例的剖示图; [0021] FIG. 2 a cross-sectional diagram of a linear vibration motor of the embodiment of the present invention embodiment;

[0022]图3为本发明线性振动马达实施例隐藏上壳时的结构示意图; [0022] Figure 3 a schematic view of a linear vibration motor structure according to the present embodiment of the invention hides the upper case;

[0023]图4为图3的俯视图。 [0023] FIG. 4 is a plan view of FIG. 3.

[0024]图中标示如下: [0024] FIG labeled as follows:

[00^5]质量块-1,台阶面-11,侧壁-in,第一面—llla,第二面_1111?,底壁_112,凹部_12, 限,位凸起-I3,永磁体—2,弹片_3,中间臂-31,斜坡面—31〇,第一连接臂-32,第二连接臂-33, 挡块-34,线圈-4,阻尼件-5,第一表面-51,第二表面-52,FPCB-6,上壳-7,下壳-8,华司板-9〇 [00 ^ 5] mass -1, -11 stepped surface, -IN side walls, a first side -llla, the second face of the bottom wall _112 _1111 ?, recesses _12, limit, -I3 projection position, permanent magnet -2, shrapnel _3 -31 intermediate arm, -31〇 ramp surface, a first connecting arm -32, -33 second connecting arm stopper -34, coil -4, -5 damping member, the first -51 surface, a second surface -52, FPCB-6, -7 upper case, lower case -8, washer plate -9〇

具体实施方式 Detailed ways

[0026]现在将参照附图来详细描述本发明的各种示例性实施例。 [0026] Various exemplary embodiments will now embodiment of the present invention are described in detail with reference to the accompanying drawings. 应注意到:除非另外具体说明,否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。 It should be noted: Unless specifically stated otherwise, the relative arrangement of the components and steps otherwise set forth in these embodiments, the numerical expressions and numerical values ​​are not limiting the scope of the present invention. :对至少—个示例性实施例的描述实际上仅仅是说明性的,决不作为对本发明及其应用或使用的任何限制。 : At least - a description of exemplary embodiments is merely illustrative, and in no way intended to limit the invention, its application, or uses. 汉乃 Han is the

[0028]对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论,但在适当情况下,所述技术、方法和设备应当被视为说明书的一部分。 [0028] ordinary skill in the relevant art known to the art, methods and devices may not be discussed in detail, but in appropriate cases, the techniques, methods and apparatus are to be considered as part of the specification.

[0029]在这里示出和讨论的所有例子中,任何具体值应被解释为仅仅是示例性的,而不是作为限制。 [0029] In all of the examples illustrated and discussed herein any specific values ​​should be construed as merely illustrative, and not by way of limitation. 因此,示例性实施例的其它例子可以具有不同的值。 Thus, other examples of the exemplary embodiments may have different values.

[0030] 应注意到:相似的标号和字母在下面的附图中表示类似项,因此,一旦某一项在一个附图中被定义,则在随后的附图中不需要对其进行进一步讨论。 [0030] It should be noted: like reference numerals and letters refer to similar items in the following figures, and thus once an item is defined in one figure, then the following figures need not be further discussed .

[0031] 为了解决线性振动马达良品率低和磁液易失效的问题,本发明提供了一种线性振动马达,如图1至图4所示,其包括壳体、振动组件和定子组件,本领域技术人员应当清楚,壳体上有密闭的收容空间,振动组件和定子组件均位于上述收容空间中;其中,振动组件包括质量块1、永磁体2和弹片3,定子组件包括线圈4和由柔性材料制成的阻尼件5,永磁体2通常以嵌设的方式固定在质量块1上,定子组件的典型结构还可包括用于向线圈4提供电流的FPCB (柔性印刷电路板)6,上述柔性材料例如为泡棉或橡胶或乳胶等,只要是自身具有弹性、被挤压后具有一定的弹性形变能力的柔性材料均可,所述质量块1上设有用于放置所述阻尼件5的台阶面11,所述阻尼件5具有至少部分与所述台阶面11的侧壁111相贴的第一表面51,根据实际需求选择阻尼件5与侧壁111相贴部分的面积; [0031] In order to solve the problem of low linear vibration Ma Daliang product prone to failure and the magnetic fluid, the present invention provides a linear vibration motor, as shown in FIGS. 1 to, comprising a housing, a stator assembly and a vibration assembly, the present 4 skilled in the art will appreciate that the housing has a sealed housing space, vibration and stator assemblies are positioned in the accommodating space; wherein the vibration assembly comprises a mass 1, the permanent magnet 2 and the elastic sheet 3, a stator 4 and a coil assembly comprising the damping member 5 made of a flexible material, the permanent magnet 2 is typically embedded in a fixed manner on a mass 1, a typical structure of the stator assembly further comprises means for providing current to the FPCB (flexible printed circuit board) 6 to the coil 4, the flexible foam or other material such as rubber or latex, as long as it itself has elasticity, the extruded flexible material having a certain elastic deformation capability may be, the mass of the damping member is provided for placement on a 5 the stepped surface 11, the damping member 5 has at least a first surface portion 51 and the side wall 111 of the stepped surface 11 of the paste phase, select the actual needs of the damping member 5 and the side wall portion 111 affixed with the area; 述弹片3具有与所述阻尼件5的第二表面52相对应的中间臂31以及分别设置在所述中间臂31的两端的第一连接臂32和第二连接臂33,本领域技术人员可容易想到,弹片3优选地具有U型形状,弹片3的中间臂31 并非一直要与阻尼件5的第二表面52相贴或相接触,只要是阻尼件5的第二表面52在弹片3 的运动过程中能够与中间臂31相贴或相接触以起到阻尼作用即可;所述第二表面52与所述第一表面51相对应,所述第一连接臂32与所述壳体固定连接,所述第二连接臂33与所述质量块1固定连接,上述固定连接可通过焊接或胶粘等方式实现,优选地为焊接,特别地,本发明的阻尼件5能够有效降低振动组件振动过程中的Y向偏振(如图4中箭头所示),从而提高线性振动马达振动的稳定性。 Said leaf spring 3 has a second surface 52 and the damping member 5 and the first link arm 31 are respectively provided at both ends of the intermediate arm 31 and the second connecting arm 32 corresponding to the intermediate arm 33, those skilled in the art can readily occur, shrapnel 3 preferably has a U-shape, the intermediate arm 31 of the leaf spring 3 not to have a second surface 5 of the damping member 52 attached to or in contact, as long as the second surface 52 of the damping member 5 of the leaf spring 3 during the relative movement of the intermediate arm 31 attached to or in contact to function the damping effect can; the second surface 52 of the first surface 51 corresponding to the first connecting arm 32 is fixed to the housing connected to the second connecting arm 33 is fixedly connected to the mass 1, the fixed connection can be realized by such as welding or gluing manner, preferably welded, in particular, the damping member 5 according to the present invention can effectively reduce the vibration assembly Y during the vibration of the polarization (arrow shown in FIG. 4), to enhance the stability of the linear vibration motor vibration.

[0032] 本发明的线性振动马达特别适合于便携式的电子产品例如手机等,其振动过程如下:线圈4通电后永磁体2在电磁推力的作用下带动弹片3和质量块1 一起作往复有规律的振动,位于弹片3和质量块1之间的阻尼件5在上述有规律的振动中起到控制线性振动马达的振动幅度和振动响应速度的作用。 [0032] The linear vibration motor according to the present invention is particularly suitable for portable electronic products such as mobile phones and the like, the vibration process is as follows: the coil 4 is energized permanent magnets 2 to drive dome 3 and the mass under the action of electromagnetic force of a reciprocally along a regular vibration, 3 and 5 located dome functions to control the linear vibration motor, the vibration amplitude and vibration speed in response to the regular vibration of the damping member acting between a mass.

[0033] 本发明的由柔性材料制成的阻尼件5在线性振动马达振动时处于弹片3的中间臂31和质量块1的台阶面11之间,不同于现有的磁液,阻尼件5为块状的一体式结构,装配简单,装配流程易控,可有效提高线性振动马达的良品率,而且本发明的阻尼件5不会因可靠性试验导致的移位等故障而失效,可有效保证线性振动马达的振动响应性能。 [0033] 5 linear vibration motor vibration damping member made of a flexible material of the present invention is intermediate between the leaf spring arm 3 and the stepped surface 31 of the first mass 11, different from an existing magnetic fluid, the damping element 5 block-shaped one-piece structure, the assembly is simple, easy to control the assembly process, can improve the yield of the linear vibration motor, and the damping member 5 according to the present invention will not cause displacement of the reliability test fails to work, etc., may be effective guarantee vibration response performance of the linear vibration motor.

[0034] 为了提高阻尼件5的阻尼性能,所述台阶面11的侧壁111具有形成夹角的第一面111a和第二面111b,所述第一表面51的形状与所述侧壁111的形状相匹配,上述夹角可如图1中所示为锐角,但不仅限于锐角,根据实际需求可进行调整,这种设置有利于保证阻尼件5 与质量块1贴合得更加紧密。 [0034] In order to improve the damping performance of the damping member 5, the stepped surface 11 of the side wall 111 has a first surface 111a and second surface 111b formed angle, the shape of the first surface 51 of the side wall 111 shape to match the angle may be an acute angle as shown in FIG. 1, but not limited to acute, can be adjusted according to actual needs, this arrangement will help to ensure a damping mass element 5 and a more closely bonded.

[0035] 在本发明的一个优选实施例中,所述阻尼件5与所述台阶面11的底壁112固定连接,上述固定连接可通过例如为双面胶粘合的胶粘等方式实现,以将阻尼件5更可靠地固定在质量块1上,并且有利于降低装配难度。 [0035] In a preferred embodiment of the present invention, the damping member 5 and the bottom wall 11 of the stepped surface 112 is fixedly connected to the fixed connection may be achieved by gluing, etc., for example double-sided adhesive bonding, 5 to the damping member more securely fixed to the first mass, and helps reduce the difficulty of assembly.

[0036] 由于泡棉具有质轻弹性好的优点,所述阻尼件5的材质优选地为泡棉。 [0036] Since the advantages of good elasticity foam having a light weight, the damping member 5 is preferably made of foam.

[0037] 在本发明的另一个优选实施例中,所述台阶面11为两个,且两个所述台阶面11分别设于所述质量块1的长度方向上的两端,当然,与两个台阶面11相对应的,阻尼件5和弹片3也具有两块或两个,而且,两个弹片3优选地具有U型形状。 [0037] In another preferred embodiment of the present invention, the stepped surface 11 is two, and the two stepped faces 11 respectively provided at both ends in the longitudinal direction of the mass 1, of course, and two corresponding stepped surface 11, the damping member 5 and the leaf spring 3 also has two or two and, preferably, two dome 3 has a U-shape.

[0038] 在本发明的又一个优选实施例中,所述第二表面52的形状与所述中间臂31和所述第二连接臂33的形状相匹配,且所述中间臂31和所述第二连接臂33与所述第二表面52相贴,这样,阻尼件5位于弹片3的中间臂31、第二连接臂33和质量块1的侧壁111之间,有利于提高阻尼件5的阻尼效果。 [0038] In a further preferred embodiment of the present invention, the shape of the second surface 52 of the intermediate arm 31 and a shape of the second arm 33 is connected match and the intermediate arm 31 and the the second arm 33 is connected to the second surface 52 affixed such that the damping member 5 in the middle of the arm 31 of the leaf spring 3, connected between the second arm 33 and the mass of the sidewall 1111, help to improve the damping element 5 the damping effect.

[0039] 为了防止弹片3在振动的过程中与质量块1的台阶面11的底壁112碰撞导致产生异响,所述中间臂31与所述台阶面11的底壁U2相对应的表面为斜坡面310,以避免所述弹片3 在振动过程中与所述底壁112碰撞,本领域技术人员可根据质量块1的具体形状来设置斜坡面310的倾斜角度。 [0039] In order to prevent a collision the bottom dome 3 and the wall 112 mass stepped surface 11 in a generation of abnormal noise during vibration, the intermediate arm 31 and the stepped surface of the bottom wall 11 corresponding to U2 surface ramp surface 310, to prevent the leaf spring 3 during vibration collision with the bottom wall 112, one skilled in the art may set the inclination angle of the ramp surface 310 according to the particular shape of the mass 1.

[0040] 可选的,所述壳体包括上壳7和下壳8,所述线圈4固定在所述下壳8上,所述第一连接臂32与所述上壳7固定连接,且所述第一连接臂32远离所述上壳7的表面上和所述第二连接臂33远离所述质量块1的表面上均设有挡块34,上述固定连接可通过焊接或胶粘等方式实现,优选地为焊接,上述挡块34可由例如为橡胶等柔性材料制成,以起到保护第一连接臂32和第二连接臂33的作用。 [0040] Alternatively, the housing 7 comprising an upper shell and a lower shell 8, the coil 4 is fixed on the lower shell 8, the first connecting arm 32 to the upper housing 7 is fixedly connected, and the upper surface of the upper surface of the housing 7 and the second connecting arm 33 away from the mass 1 away from the first connecting arm 32 has a stopper 34, the fixed connection may be by welding or gluing, etc. implementation manner, preferably welded, the stopper 34 may be made of a flexible material such as rubber, for example, to function to protect the first link arm 32 and the second connecting arm 33. 当然,本领域技术人员可容易想到,具有这种结构的壳体的线性振动马达的台阶面11位于质量块1远离下壳8的表面上。 Of course, those skilled in the art can readily appreciate the stepped surface 11 of the linear vibration motor housing having such a structure situated on the mass 1 away from the lower surface 8 of the housing.

[0041] 进一步地,所述质量块1上设有与所述线圈4相对应的凹部12,以在所述质量块1静止时容纳所述线圈4 (如图2和图4所示);所述凹部12在沿着所述质量块1的长度方向上的两侧设有与所述下壳8相对应的限位凸起13,以限制所述质量块1的振动行程,在本发明中,设置在质量块1上的限位凸起13可起到限位块的作用,以防止质量块1的整个表面碰撞在下壳8上而产生过大异响。 [0041] Further, the mass is provided with a concave portion on the coil 4 corresponding to 12 to accommodate the mass when stationary coil 1 of the 4 (FIGS. 2 and 4); the recess 12 is provided on both sides along the longitudinal direction of the mass 1 a stopper case 8 correspond to the lower projection 13, to limit the vibration travel of the mass 1, in the present invention, in the limit, the mass 1 is provided on the projection 13 may function as a stopper to prevent the entire surface of the collision of the mass 1 and the lower case 8 excessive abnormal noise.

[0042] 可选的,所述振动组件还包括设于所述质量块1嵌设有所述永磁体2—侧的华司板9,所述华司板9与所述壳体和/或所述质量块1固定连接,上述固定连接可通过焊接等方式实现,华司板9可起到导磁、固定永磁体2和修正永磁体2的磁力线的作用。 [0042] Optionally, the assembly further comprises a vibration mass disposed in said insert is provided with a permanent magnet of the 2- side plate washer 9, the washer and the housing plate 9 and / or the mass 1 is fixedly connected to the fixed connection may be achieved by welding or the like, washer plates 9 may function as the magnetic lines of magnetic force, the permanent magnet 2 and the fixed permanent magnet 2 is corrected.

[0043] 虽然已经通过例子对本发明的一些特定实施例进行了详细说明,但是本领域的技术人员应该理解,以上例子仅是为了进行说明,而不是为了限制本发明的范围。 [0043] Although a detailed description of specific embodiments of the invention by way of example, those skilled in the art will appreciate that the foregoing examples are intended to be illustrative and not intended to limit the scope of the invention only. 本领域的技术人员应该理解,可在不脱离本发明的范围和精神的情况下,对以上实施例进行修改。 Those skilled in the art will appreciate, may be made without departing from the scope and spirit of the present invention, the above embodiments can be modified. 本发明的范围由所附权利要求来限定。 Scope of the invention defined by the appended claims.

Claims (9)

1. 一种线性振动马达,其特征在于,包括壳体、振动组件和定子组件,其中,振动组件包括质量块、永磁体、弹片和由柔性材料制成的阻尼件,定子组件包括线圈,所述质量块上设有用于放置所述阻尼件的台阶面,所述阻尼件具有至少部分与所述台阶面的侧壁相贴的第一表面;所述弹片具有与所述阻尼件的第二表面相对应的中间臂以及分别设置在所述中间臂的两端的第一连接臂和第二连接臂,所述第二表面与所述第一表面相对应,所述第一连接臂与所述壳体固定连接,所述第二连接臂与所述质量块固定连接;所述中间臂与所述台阶面的底壁相对应的表面为斜坡面,以避免所述弹片在振动过程中与所述底壁碰撞。 A linear vibration motor, characterized in that it comprises a housing, a stator assembly and a vibration assembly, wherein the vibration assembly comprises a mass, a permanent magnet, shrapnel and the damping member, the stator assembly made of a flexible material includes a coil, the stepped surface provided for placement of the damping member on said mass, the damping member having at least a first surface portion of the sidewall of the stepped surface of the paste phase; the leaf spring and the damping member having a second surface it is corresponding to the intermediate arm, and are respectively provided at both ends of the intermediate arm of the first connecting arm and a second arm connected to the second surface and the first surface corresponds to the first connecting arm fixedly connected to the housing, the second connecting arm connected to the fixed mass; and the intermediate arm and the bottom wall surface of the stepped surface corresponding to the slope surface to prevent the leaf spring during vibration and the said bottom wall collisions.
2. 根据权利要求1所述的线性振动马达,其特征在于,所述台阶面的侧壁具有形成夹角的第一面和第二面,所述第一表面的形状与所述侧壁的形状相匹配。 The linear vibration motor according to claim 1, wherein said stepped surface has a sidewall surface and a second surface forming a first angle, the first surface shape of the sidewall It matches the shape.
3. 根据权利要求1所述的线性振动马达,其特征在于,所述阻尼件与所述台阶面的底壁固定连接。 3. The linear vibration motor according to claim 1, characterized in that the damping member and the bottom wall of the stepped surface is fixedly connected.
4. 根据权利要求1所述的线性振动马达,其特征在于,所述阻尼件的材质为泡棉。 The linear vibration motor as claimed in claim 1, characterized in that the damping member is made of foam.
5. 根据权利要求1所述的线性振动马达,其特征在于,所述台阶面为两个,且两个所述台阶面分别设于所述质量块的长度方向上的两端。 The linear vibration motor according to claim 1, wherein said stepped surface is two, and the two stepped faces are respectively provided at both ends in the longitudinal direction of the mass.
6. 根据权利要求1所述的线性振动马达,其特征在于,所述第二表面的形状与所述中间臂和所述第二连接臂的形状相匹配,且所述中间臂和所述第二连接臂与所述第二表面相贴。 The linear vibration motor according to claim 1, wherein the shape of the surface shape of the second intermediate arm and the second arm is connected match, and said intermediate arm and the second second connection arm and the second surface of paste.
7. 根据权利要求1所述的线性振动马达,其特征在于,所述壳体包括上壳和下壳,所述线圈固定在所述下壳上,所述第一连接臂与所述上壳固定连接,且所述第一连接臂远离所述上壳的表面上和所述第二连接臂远离所述质量块的表面上均设有挡块。 The linear vibration motor according to claim 1, wherein the housing includes upper and lower shells, the coil housing is fixed on the lower case, the first connecting arm and the upper fixedly connected, and the upper surface of the upper casing away from the first connecting arm and the second connecting arm away from the upper surface of the mass has a stopper.
8. 根据权利要求7所述的线性振动马达,其特征在于,所述质量块上设有与所述线圈相对应的凹部,以在所述质量块静止时容纳所述线圈;所述凹部在沿着所述质量块的长度方' 向上的两侧设有与所述下壳相对应的限位凸起,以限制所述质量块的振动行程。 8. The linear vibration motor according to claim 7, wherein said concave portion provided corresponding to the coil on the mass, to the mass accommodated in said stationary coil; said recess along the length direction of the mass' of both sides of a limiting upward projection of the lower casing corresponding to limit the stroke of the vibration mass.
9. 根据权利要求1所述的线性振动马达,其特征在于,所述振动组件还包括设于所述质量块嵌设有所述永磁体一侧的华司板•,所述华司板•与所述壳体和/或所述质量块固定连接。 9. The linear vibration motor according to claim 1, wherein said vibrating assembly further comprises a mass disposed on the permanent magnet is embedded is provided with a side plate washer •, • a plate washer block fixedly connected to the housing and / or the mass.
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CN204425166U (en) * 2014-12-23 2015-06-24 瑞声光电科技(常州)有限公司 Vibration motor
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CN205847042U (en) * 2016-06-23 2016-12-28 瑞声科技(新加坡)有限公司 Vibration motor

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KR101259683B1 (en) * 2010-10-27 2013-05-02 엘지이노텍 주식회사 Horizontal vibration motor

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CN204425166U (en) * 2014-12-23 2015-06-24 瑞声光电科技(常州)有限公司 Vibration motor
CN205490073U (en) * 2016-01-04 2016-08-17 瑞声光电科技(常州)有限公司 Vibration motor
CN205847042U (en) * 2016-06-23 2016-12-28 瑞声科技(新加坡)有限公司 Vibration motor

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