CN205249017U - Linear vibration motor - Google Patents

Abstract

The utility model discloses a linear vibration motor, including the basement, fix the shell in the basement, the shell forms installation space with the basement, stator module sets up in installation space along the first direction with the vibration subassembly relatively, stator module has coil and circuit board, the vibration subassembly includes the quality piece and is close to stator module and installs the magnet on the quality piece, the subassembly will be vibrated and the elastic component in installation space will be hung for supporting stator module's support, so that the coil is relative with the magnet level, produces electric magnetic force actuation quality piece and be linear movement along the second direction, the first direction is crossing all on the horizontal plane with the second direction. Coil, circuit board all with quality piece separated sets, the vibration of starting line circle can not drawn in quality piece vibration to the electromagnetic force that makes coil and magnet produce is stable, and a stability of vibration improves the quality, the quality piece does not all set up the other part from top to bottom, and the thickness of motor can be for the thickness of quality piece to reduce the thickness of motor.

Description

A kind of linear vibration electric motor

Technical field

The utility model relates to the technical field of motor, is specifically related to a kind of linear vibration electric motor.

Background technology

Along with the continuous use of portable electronic product, people are more and more higher to the requirement of electronic product,Make electronic product towards more frivolous future development, especially thick to the vibrating motor in electronic productDegree proposes higher requirement, and when requiring vibrating motor thickness thinner, vibration performance is more stable.

Chinese patent literature CN20250856U discloses a kind of horizontal linearity vibrating motor, comprises shell,Be arranged on the upper cover in cover top portion, between shell and upper cover, form installing space; In installing spaceVertically, set gradually vibration component and stator module. Wherein, the mass in vibration componentAlong continuous straight runs arranges, and shell fragment is arranged on the two ends of mass, and magnet is arranged in the through hole of mass,Coil in stator module is arranged on the top of mass and is relative with magnet, the line being connected with coilRoad plate is arranged on shell; Under magnetic fields power, mass vibrates along horizontal direction.

Above-mentioned linear vibration electric motor, because coil is arranged on mass top, vibrated at massCheng Zhong, is inevitably with moving winding, wiring board vibration, thereby coil is produced massElectromagnetic force is inhomogeneous, and mass vibration is unstable, and wiring board easily damages, and causes the use longevity of motorOrder short defect.

In addition, coil is arranged on the top of mass, makes the thickness of motor must be more than or equal to matterThe thickness sum of gauge block and coil, causes the thick defect of motor in the vertical direction thickness, in order to reduceThe thickness of motor, even while arranging coil and mass along continuous straight runs, because magnet is arranged on matterIn the through hole of gauge block, be difficult to be oppositely arranged with coil, produce and drive mass along continuous straight runs to make lineThe electromagnetic force of property vibration.

Utility model content

Therefore, the technical problems to be solved in the utility model is to overcome prior art neutral line vibration electricityThe defect that service life is short and thickness is thick of machine, thus provide one can improve service life and thicknessThin linear vibration electric motor.

For this reason, the utility model provides a kind of linear vibration electric motor, comprises

Substrate, along continuous straight runs setting;

Shell, is fixed in described substrate, forms installing space with described substrate;

Stator module, is positioned at described installing space, has coil and wiring board;

Vibration component, is positioned at described installing space, relative along first direction with described stator moduleArrange, comprise mass and be arranged on the magnet on described mass near described stator module;

Elastic parts, is arranged in described substrate, and is positioned at described installing space, for vibratingAssembly is suspended in described installing space;

Support, is arranged in described substrate, for supporting described stator module so that described coil withDescribed magnet level is relative;

In the time of coil electricity, described mass can make line along second direction under the effect of electromagnetic forceProperty is moved;

Described first direction is crossing with described second direction also all on horizontal plane.

Above-mentioned linear vibration electric motor, described first direction is vertical with described second direction.

Above-mentioned linear vibration electric motor, offers the first groove on described mass, described the first groove isEnd face, bottom surface and three the uncovered uncovered grooves of side near described coil one side, described magnetBe arranged in described the first groove.

Above-mentioned linear vibration electric motor,

Described elastic parts forms first space, and the opening being communicated with described the first space;

Described mass be provided with magnet part be positioned at described the first space and with described elasticity groupPart is fixed;

The part that described mass is not installed magnet from described opening stretch out and be positioned at described opening with described inIn space between outer casing inner wall.

Above-mentioned linear vibration electric motor, described elastic parts comprises

Fixed head, is fixed in described substrate;

Shell fragment, is two, and two shell fragments surround described the first space, and one end of two shell fragments all connectsOn fixed head, the other end of two shell fragments is oppositely arranged, and forms described opening.

Above-mentioned linear vibration electric motor,

Described mass comprises Part I, Part II and connects described Part I and secondThe neck dividing;

Between described Part I and described Part II, form two installations that are positioned at described neck both sidesGroove;

Described magnet is installed on described Part I, and is positioned at described the first space, described neck fromDescribed opening passes, in the space of described Part II between described opening and described outer casing inner wall;

Insert respectively in described mounting groove two ends of two described shell fragments, states from outer peripheral residenceA part and be fixed on described Part I.

Above-mentioned linear vibration electric motor, the notch place of described mounting groove is circular arc.

Above-mentioned linear vibration electric motor,

Described shell fragment comprises the connecting plate, the first circular arc connecting portion, arc plate, the second circle that connect successivelyArc connecting portion and baffle plate, described connecting plate is connected with described fixed head;

Described the second circular arc connecting portion is bending in the first space, so that described baffle plate one side surface justFacing to described stator module, and, described in forming between two described baffle plates on two described shell fragmentsOpening;

Described mass is fixed on the inwall of described baffle plate, and with described the second circular arc connecting portion inWall coordinates to be installed.

Above-mentioned linear vibration electric motor, described the first circular arc connecting portion is towards the first space outside sweep;

Described arc plate is towards the first tilted setting in space; So that the width in the first space is from the first circleArc connecting portion first increases rear minimizing to baffle plate again to arc plate.

Above-mentioned linear vibration electric motor, the height of shell fragment from described the first circular arc connecting portion to arc plate againFirst reduce rear increase to baffle plate.

Above-mentioned linear vibration electric motor, also comprises damping, at least two, is arranged on the outside of massBetween wall and the madial wall of described shell, between reserving between described damping and the lateral wall of described massGap.

Above-mentioned linear vibration electric motor, described stator module comprises

Iron core, one end is fixed in described substrate, and the other end is overlapped on described support, and is positioned at instituteState in the first space;

Coil, is set on the other end of described iron core;

Wiring board, is arranged on described iron core, is connected with described coil.

Above-mentioned linear vibration electric motor, described iron core comprises

Iron core body, is fixed in described substrate;

Installation portion, is overlapped on described support, for sheathed described coil;

Changeover portion, is connected described iron core body with described installation portion, make the height of described installation portionHigher than described iron core body.

Above-mentioned linear vibration electric motor, described installation portion is E font, and opening is towards described magnet, instituteState on the middle part that coil is set in described E font.

Above-mentioned linear vibration electric motor, along continuous straight runs, one end of the installation magnet of described mass is EFont, to form two described the first grooves.

Technical solutions of the utility model, tool has the following advantages:

1. the linear vibration electric motor that the utility model provides, comprises the substrate that along continuous straight runs arranges, GuFix on suprabasil shell, shell and substrate form installing space; Be positioned at the stator pack of installing spacePart, stator module has coil and wiring board; Be positioned at the vibration component of installing space, with stator packPart is oppositely arranged along first direction, comprises mass and is arranged on mass near stator moduleMagnet; Be arranged in substrate and be positioned at the elastic parts of installing space, vibration component is suspended on to peaceIn dress space; Be arranged on substrate upper bracket, for support stator assembly, so that coil and magnet levelRelatively; In the time of coil electricity, mass can do linearity along second direction under the effect of electromagnetic forceMotion, first direction is crossing with second direction also all on horizontal plane.

Above-mentioned linear vibration electric motor, stator module and vibration component are all along first direction setting, logicalCross support and carry out support stator assembly, make the magnet level in coil and the vibration component in stator moduleBe oppositely arranged, produce electromagnetic force, drive mass to do linear movement in second direction. Due toCoil, wiring board in stator module all separate setting with mass, in mass vibration processes, noCan cause the vibration of coil and wiring board, thereby the electromagnetic force producing between coil and magnet is stablized,Improve the stability of mass vibration, can damaged line plate yet; Meanwhile, stator module and vibration groupThe setting party of part to the direction of vibration of mass all on horizontal plane, vertically go up qualityPiece does not all arrange miscellaneous part up and down, and the thickness of motor can be the thickness of mass, thereby reduces electricityThe thickness of machine, that motor can be done is thinner.

2. the linear vibration electric motor that the utility model provides, first direction is vertical with second direction, logicalAfter electricity, coil can produce stronger electromagnetic force, to make mass to vibrate width in second directionSpend larger.

3. the linear vibration electric motor that the utility model provides, offers the first groove on mass, first is recessedGroove is end face, bottom surface and three the uncovered uncovered grooves of side near coil one side, and magnet is installedIn the first groove, the end face of magnet, bottom surface and the side surface near coil all leak outside in qualityThe outside of piece, magnet can be directly relative with coil, produces electromagnetic force, drives mass along secondDirection is done linear movement.

Brief description of the drawings

In order to be illustrated more clearly in the utility model detailed description of the invention or technical side of the prior artCase, does the accompanying drawing to required use in detailed description of the invention or description of the Prior Art simply belowIntroduce, apparently, the accompanying drawing in the following describes is embodiments more of the present utility model, rightIn those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also basisThese accompanying drawings obtain other accompanying drawing.

The structure explosive view of a kind of embodiment of the linear vibration electric motor that Fig. 1 provides for the utility model(removing shell);

In the linear vibration electric motor that Fig. 2 provides for the utility model, the installation of mass and elastic parts is shownIntention;

The elevational schematic view of a kind of embodiment of the linear electric machine that Fig. 3 provides for the utility model (is movedWalk substrate);

Bowing of a kind of embodiment internal structure of the linear vibration electric motor that Fig. 4 provides for the utility modelDepending on schematic diagram (removing substrate and shell);

The structural representation of the elastic parts in the linear vibration electric motor that Fig. 5 provides for the utility model;

Fig. 6 is the structural representation of the mass in the linear vibration electric motor providing for the utility model;

The structural representation of the iron core in the linear vibration electric motor that Fig. 7 provides for the utility model;

The schematic top plan view of stator module in the linear vibration electric motor that Fig. 8 provides for the utility model;

Description of reference numerals: 1-substrate; 2-shell; 3-fixed head; 4-shell fragment; 5-welding block; 6-Mass; 61-Part I; 62-Part II; 63-neck; 64-mounting groove; 7-magnet; 8-Support; 9-iron core; 91-iron core body; 92-installation portion; 93-changeover portion; 10-coil; 11-circuitPlate; 12-connecting plate; 13-the first circular arc connecting portion; 14-arc plate; 15-the second circular arc connecting portion;16-baffle plate; 17-the first groove; 18-damping; 19-vertical plate.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, aobviousSo, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative workThe every other embodiment obtaining under prerequisite, belongs to the scope that the utility model is protected.

In description of the present utility model, it should be noted that, term " " center ", " on ", D score,Orientation or the position relationship of the instructions such as " left side ", " right side ", " vertically ", " level ", " interior ", " outward " areBased on orientation shown in the drawings or position relationship, be only that the utility model and simplification are for convenience of description retouchedState, instead of instruction or the hint device of indication or element must have specific orientation, with specificallyOrientation structure and operation, therefore can not be interpreted as restriction of the present utility model. In addition term ",One ", " second ", " the 3rd " be only for describing object, and can not be interpreted as instruction or hint phase counterweightThe property wanted.

In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited,Term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with,Also can be to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection;Can be to be directly connected, also can indirectly be connected by intermediary, can be two element internalsBe communicated with. For the ordinary skill in the art, can concrete condition understand above-mentioned term at thisConcrete meaning in utility model.

In addition related technical characterictic in the different embodiments of described the utility model,The conflict of will not forming each other just can mutually combine.

Embodiment 1

As shown in Figure 1, Figure 2 and Figure 3, the present embodiment 1 provides a kind of linear vibration electric motor, comprises

Substrate 1, along continuous straight runs setting;

Shell 2, is fixed in substrate 1, forms installing space with substrate 1;

Stator module, is positioned at installing space, has coil 10 and wiring board 11;

Vibration component, is positioned at installing space, is oppositely arranged bag with stator module along first directionDraw together mass 6 and be arranged on the magnet 7 on mass 6 near stator module;

Elastic parts, is arranged in substrate 1, and is positioned at installing space, for vibration component is hungIn installing space;

Support 8, is arranged in substrate 1, for support stator assembly, so that coil 10 and magnet 7 levelsRelatively;

In the time that coil 10 is switched on, mass 6 can do linearity along second direction under the effect of electromagnetic forceMotion;

First direction is crossing with second direction also all on horizontal plane.

Above-mentioned linear vibration electric motor, stator module and vibration component are all along first direction setting, logicalCross support 8 and carry out support stator assembly, make the magnet 7 in coil 10 and the vibration component in stator moduleLevel is oppositely arranged, and produces electromagnetic force, drives mass 6 to do linear movement in second direction.Because the coil 10 in stator module, wiring board 11 all separate setting with mass 6, mass 6 vibratesIn process, can not cause the vibration of coil 10 and wiring board 11, thereby make between coil 10 and magnet 7The electromagnetic force producing is stable, improves the stability that mass 6 vibrates, also can damaged line plate; Meanwhile,The setting party of stator module and vibration component to the direction of vibration of mass 6 all on horizontal plane, edgeOn vertical direction, mass 6 does not all arrange miscellaneous part up and down, and the thickness of motor can be mass 6Thickness, thereby reduce the thickness of motor, can motor be done thinlyyer.

As preferred embodiment, above-mentioned first direction is vertical with second direction, for example stator packPart and vibration component are all along X-direction setting, and the direction of vibration of mass 6 is in Y direction; OrStator module and vibration component are all along Y direction setting, and the direction of vibration of mass 6 is in X-direction.When first direction is vertical with second direction, after energising, coil 10 can produce stronger electromagnetic force,To make the mass 6 can be larger at second direction Oscillation Amplitude.

As distortion, first direction and second direction also can out of plumb, intersect at an angle,For example 30 °, 45 °, 60 ° 72 ° etc., crossing angle is during the closer to 90 °, in the unit interval,Mass 6 Oscillation Amplitudes are larger, if contrary to 0 °, mass 6 Oscillation Amplitude phases in the unit intervalTo little.

As further preferred embodiment, as shown in Figure 2 and Figure 4, on mass 6, offer first recessedGroove 17, the first grooves 17 are end face, bottom surface and spacious near uncovered three in the side of coil 10 1 sidesPort recess, magnet 7 is arranged in the first groove 17, the end face of magnet 7, bottom surface and close coil 10A side surface all leak outside in the outside of mass 6, magnet 7 can be directly relative with coil 10, producesRaw electromagnetic force, drives mass 6 to do linear movement along second direction.

As distortion, magnet 7 can also be arranged on to mass 6 and offer near the wall of coil 10 1 sidesGroove in, magnet 7 leaks outside outside mass 6 towards a surface of coil 10, relative with coil 10Produce electromagnetic force, other surfaces are to be positioned at mass 6; Or directly magnet 7 is fixed on to mass 6The wall of close coil 10 1 sides on; Or other set-up modes, as long as by magnet 7 along continuous straight runsCan directly produce electromagnetic force facing to coil 10 just passable.

As preferred embodiment, as shown in Figure 3, above-mentioned elastic parts forms first space,Opening with the first space connection; The part that mass 6 is provided with magnet 7 be positioned at the first space and withElastic parts is fixed; Mass 6 is not installed the part of magnet 7 and is stretched out and be positioned at opening and shell 2 from openingIn space between inwall.

As further preferred embodiment, as shown in Figure 5, elastic parts comprises fixed head 3 and twoIndividual shell fragment 4. Wherein, fixed head 3 is fixed in substrate 1, and two shell fragments 4 surround the first space, twoOne end of shell fragment 4 is all connected on fixed head 3, and the other end of two shell fragments 4 is oppositely arranged, and on formingThe opening of stating. For example fixed head 3 is welded in substrate 1 along Y direction, and two shell fragments 4 are along Y directionBe on the two ends that symmetric mode is separately fixed at fixed head 3, between two shell fragments 4, just form above-mentionedOne space. Because two shell fragments 4 surround the first space, mass 6 is in the first space internal vibration, therebyCan make structure compacter.

As the preferred embodiment of mass 6, as shown in Figure 6, mass 6 comprise Part I 61,The neck 63 of Part II 62 and connection Part I 61 and Part II 62; Part I 61 andBetween two parts 62, form two mounting grooves 64 that are positioned at neck 63 both sides; On Part I 61, magnetic is installedBody 7, and be positioned at the first space, neck 63 passes from opening, Part II 62 be positioned at above-mentioned opening withIn space between shell 2 inwalls, and and shell 2 between preset clearance; Two ends of two shell fragments 4Portion inserts respectively in mounting groove 64, surrounds Part I 61 and be fixed on Part I 61 from outside.

The mass 6 of this structure, is fixed on Part I 61 on two shell fragments 4, at mass 6 alongWhen two direction vibrations, compression or stretching shell fragment 4 accordingly, because mass 6 only has a mounting groove64 tie point, in order to keep the mass 6 can stress balance in vibration processes, vibration more stable,The Part I of mass 6 61 is positioned to the first space, and Part II 62 is positioned at opening and shell 2In space between wall. And, because insert respectively in mounting groove 64 two ends of two shell fragments 4,Thereby make shell fragment 4 more stable with the installation of mass 6.

As the preferred embodiment of the fixed form of mass 6, as shown in Figure 3 and Figure 4, also comprise slottingEnter the welding block 5 in mounting groove 64, welding block 5 one side surfaces are fixed on shell fragment 4 ends, opposite side tableFace is fixed on the sidewall of close Part II 62 of mounting groove 64. Can also directly shell fragment 4 be inserted alsoBe welded in mounting groove 64, or other fixed forms of the prior art, by the end of two shell fragments 4Be fixed in mounting groove 64.

As the preferred embodiment of mounting groove 64, the notch place of mounting groove 64 is circular arc, be convenient to byInsert in mounting groove 64 end of shell fragment 4, can coordinate more closely with mounting groove 64. Except circular arc,Can also be other shapes, for example right angle.

As shell fragment 4 preferred embodiment, as shown in Figure 5, shell fragment 4 comprises the connecting plate connecting successively12, the first circular arc connecting portion 13, arc plate 14, the second circular arc connecting portion 15 and baffle plate 16, connectsPlate 12 is connected with fixed head 3;

The second circular arc connecting portion 15 is bending in the first space, so that baffle plate 16 1 side surfaces faceStator module, and, between two baffle plates 16 on two shell fragments 4, form opening;

Mass 6 is fixed on the inwall of baffle plate 16, and coordinates peace with the inwall of the second circular arc connecting portion 15Dress.

As shell fragment 4 further preferred embodiments, the first circular arc connecting portion 13 of flexure strip is towardsOne space outside sweep, arc plate 14 is towards the first tilted setting in space; So that the width in the first spaceFirst increase and reduce to baffle plate 16 again to arc plate 14 from the first circular arc connecting portion 13, thereby make shell fragment 4Internal face and the sidewall outer surface of mass 6 between reserved the first gap from the first circular arc connecting portion13 arrive baffle plate 16 again to arc plate 14 first increases afterwards and reduces.

Design is mainly because the connecting plate 12 of shell fragment 4 is fixed like this, at mass 6 along theWhen two direction vibrations, mass 6 is compression or stretching shell fragment 4 constantly, for buffer memory the first circular arc connectsConnect compression and stretching that portion 13 is subject to mass 6, by the first circular arc connecting portion 13 to the first space excurvationSong, increases the width in the first space, can cushion on the first circular arc connecting portion 13 and be subject to drawing of mass 6The intensity of stretching or compressing, can ensure firm connection the between the first circular arc connecting portion 13 and connecting plate 12,Can not make the first circular arc connecting portion 13 fracture from connecting plate 12, damage shell fragment 4, prolongation shell fragment 4Service life. In like manner, along with arc plate 14 is time far away away from the distance of connecting plate 12, can be by circular arcThe first reserved gap between sheet 14 and mass 6 reducing gradually, cushions arc plate 14 accordinglyThe degree being stretched or compressed; The second circular arc connecting portion 15 just can and the outer wall of mass 6 between carry outBe connected, 16, baffle plate is directly fixed on mass 6.

More preferred embodiment good as shell fragment 4, the height of shell fragment 4 is from the first circular arc connecting portion 13First reduce rear increase to baffle plate 16 again to arc plate 14. Due to the sidewall master of the Part I 61 of mass 6Will be corresponding with arc plate 14, in mass 6 vibration processes, by the height design of arc plate 14 allLower than the first circular arc connecting portion 13 and the second circular arc connecting portion 15, can increase the bullet of arc plate 14 ownProperty, the elasticity of shell fragment 4 is stronger, and shell fragment 4 is higher with mass 6 resonant frequencies, and the Oscillation Amplitude of generation is moreGreatly.

As further preferred embodiment, as shown in Figure 3, above-mentioned motor also comprises damping 18,Damping 18 is arranged between the lateral wall of mass 6 and the madial wall of shell, and the effect of damping is played in damping 18Really, prevent that mass 6 vibrations from driving shell vibration, and between damping 18 and the lateral wall of mass 6Preset clearance, this preset clearance is the gap of mass 6 along Oscillation Amplitude in second direction, makes qualityWhen piece 6 vibrates, can not directly contact with shell 2, prevent noise. Individual for arranging of damping 18Number, can be two, three, four, five etc., is generally at least two, and two dampings divideNot in the space between two side and the outer casing inner wall of mass 6. Best, damping 18 is fixed onOn the inwall of shell 2, also damping 18 can be fixed on mass 6.

As the preferred embodiment of stator module, as shown in Figure 8, stator module comprises iron core 9, lineCircle 10 and wiring board 11, wherein, one end of iron core 9 is fixed in substrate 1, and the other end is overlapped on support 8Go up and be positioned at the first space; Coil 10 is directly set on the other end of iron core 9, and is positioned at the first skyIn; Wiring board 11 is arranged on iron core 9, is connected with coil 10. The stator module of this structure is onlineCircle also arranges separately iron core 9 on 10, increase the electromagnetic force that coil 10 produces, to increase mass 6Oscillation intensity.

As the preferred embodiment of iron core 9, as shown in Figure 7 and Figure 8, iron core 9 comprises and is fixed on substrate 1On iron core body 91, be overlapped on the installation portion 92 on support 8, sheathed coil 10 on installation portion 92, withAnd the changeover portion 93 that iron core body 91 is connected with installation portion 92, the design of changeover portion 93 makes installation portion92 height, higher than the height of iron core body 91, is set in coil 10 on installation portion 92 just passable like thisRealize coil 10 relative with the level of magnet 7, and then produce the electromagnetic force that drives mass 6 to vibrate. RightCan be circular arc linkage section in changeover portion 93, can be also the linkage section of other shapes, do not do concreteLimit.

As the preferred embodiment of installation portion 92, as shown in Figure 7, installation portion 92 is E font, openingTowards magnet 7, coil 10 is set on the middle part of E font. The installation portion 92 of E font makes magnet 7Number of magnetic poles increase, for example NSN or SNS, make magnetic fields power more directed, the electromagnetic force of generation is more steadyFixed, the vibration of mass 6 is more stable, and Oscillation Amplitude is also large.

As the distortion of installation portion 92, installation portion 92 can also be W font, or other shapes, onlyThe shape that will be able to increase number of magnetic poles can.

As better embodiment, one end of the installation magnet 7 of mass 6 is also designed to E font,Thereby form two the first grooves 17, at two interior magnets 7 of all installing of the first groove 17, the E of mass 6Font is just corresponding with the E font installation portion 92 of iron core 9, make two magnets 7 all can with coil 10Level correspondence, carrys out the electromagnetic force that intensifier coil 10 produces. As distortion, also mass 6 can be installedOne end of magnet 7 is designed to W font, or other shapes, best, by the shape of installation portion 92 withOne end that mass 6 is installed magnet 7 is designed to identical shape.

As the preferred embodiment of support 8, support 8 is arranged on fixed head 3, makes total tightGather, the space taking is relatively little. As distortion, also support 8 can be arranged on separately in substrate 1,As long as it is relative with magnet 7 levels to be overlapped on coil 10 in the stator module on support 8. For propping upThe concrete shape of frame is not specifically limited.

As more preferred embodiment good, and arrange in the substrate 1 of fixed head 3 corresponding positions, two endsTwo vertical plates 19, the lateral wall of the connecting plate 12 of shell fragment 4 is fixed on the madial wall of vertical plate 19, connectsThe madial wall of fishplate bar 12 is fixed on the outer wall of support 8, and set-up mode is fixed on elastic parts like thisIn substrate 1, and be connected closely with support 8; So that elastic parts can be fixed on betterIn substrate 1.

The detailed process that the linear vibration electric motor that the present embodiment provides is installed is: fixed head 3 is fixed on substrateOn 1, two connecting plates 12 of elastic parts are fixed on fixed head 3, and support 8 are arranged on solidDetermine on plate 3; Afterwards magnet 7 is arranged on mass 6, two baffle plates 16 of shell fragment 4 insert massMounting groove 64 in and fixing with welding block 5, so that mass 6 is fixed on shell fragment 4; Again by stator packPart is arranged in substrate 1, and the installation portion 92 of iron core 9 is overlapped on support 8, coil 10 and magnetBetween 7, level is relative; Afterwards damping 18 is fixed on shell 2, finally shell 2 is directly fixed on to baseOn edge, the end 1, form complete motor.

Obviously, above-described embodiment is only for example is clearly described, and not to the side of enforcementThe restriction of formula. For those of ordinary skill in the field, also can on the basis of the above descriptionTo make other changes in different forms. Here without also giving all embodimentsWith exhaustive. And the apparent variation of being extended out thus or variation are still created in the utility modelProtection domain among.

Claims (15)

1. a linear vibration electric motor, is characterized in that, comprises

Substrate (1), along continuous straight runs setting;

Shell (2), is fixed on described substrate (1) upper, forms installing space with described substrate (1);

Stator module, is positioned at described installing space, has coil (10) and wiring board (11);

Vibration component, is positioned at described installing space, relative along first direction with described stator moduleArrange, comprise mass (6) and be arranged on described mass (6) near described stator moduleMagnet;

Elastic parts, is arranged in described substrate (1), and is positioned at described installing space, for inciting somebody to actionVibration component is suspended in described installing space;

Support (8), is arranged on described substrate (1) upper, for supporting described stator module, so that instituteState coil (10) relative with described magnet (7) level;

In the time of coil electricity, described mass can make line along second direction under the effect of electromagnetic forceProperty is moved;

Described first direction is crossing with described second direction also all on horizontal plane.

2. linear vibration electric motor according to claim 1, is characterized in that: described first direction withDescribed second direction is vertical.

3. linear vibration electric motor according to claim 1 and 2, is characterized in that: described massOn offer the first groove (17), described the first groove (17) is end face, bottom surface and near described lineThree the uncovered uncovered grooves of side that enclose a side, described magnet is arranged on described the first groove (17)In.

4. linear vibration electric motor according to claim 3, is characterized in that:

Described elastic parts forms first space, and the opening being communicated with described the first space;

Described mass (6) be provided with magnet part be positioned at described the first space and with described bulletProperty assembly is fixed;

The part that described mass (6) is not installed magnet from described opening stretch out and be positioned at described opening withIn space between described shell (2) inwall.

5. linear vibration electric motor according to claim 4, is characterized in that: described elastic parts bagDraw together

Fixed head (3), is fixed in described substrate (1);

Shell fragment (4), is two, and two shell fragments (4) surround described the first space, two shell fragments (4)To be all connected to fixed head (3) upper in one end, the other end of two shell fragments (4) is oppositely arranged, and shapeBecome described opening.

6. according to the linear vibration electric motor described in claim 4 or 5, it is characterized in that:

Described mass (6) comprises described in Part I (61), Part II (62) and connectionThe neck (63) of Part I (61) and Part II (62);

Between described Part I (61) and described Part II (62), form and be positioned at described neck (63)Two mounting grooves (64) of both sides;

Described Part I (62) is upper installs described magnet, and is positioned at described the first space, described inNeck (63) passes from described opening, described Part II (62) be positioned at described opening and described outsideIn space between shell (2) inwall;

Insert respectively in described mounting groove (64), from outside two ends of two described shell fragments (4)Surround described Part I (61) and be fixed on described Part I (61).

7. linear vibration electric motor according to claim 6, is characterized in that: described mounting groove (64)Notch place be circular arc.

8. according to the linear vibration electric motor described in claim 5 or 7, it is characterized in that:

Described shell fragment (4) comprise successively the connecting plate (12) that connects, the first circular arc connecting portion (13),Arc plate (14), the second circular arc connecting portion (15) and baffle plate (16), described connecting plate (12)Be connected with described fixed head (3);

Described the second circular arc connecting portion (15) is bending in the first space, so that described baffle plate (16)One side surface faces described stator module, and, two described gears on two described shell fragments (4)Plate forms described opening between (16);

Described mass (6) is fixed on the inwall of described baffle plate (16), and with described the second circular arcThe inwall of connecting portion (15) coordinates to be installed.

9. linear vibration electric motor according to claim 8, is characterized in that: described the first circular arc connectsMeet portion (13) towards the first space outside sweep;

Described arc plate (14) is towards the first tilted setting in space; So that the width in the first space fromThe first circular arc connecting portion (13) arrives baffle plate (16) again to arc plate first to be increased afterwards and reduces.

10. linear vibration electric motor according to claim 8, is characterized in that: the height of shell fragment (4)Degree first reduces to baffle plate (16) from described the first circular arc connecting portion (13) to arc plate (14) againIncrease.

11. linear vibration electric motors according to claim 1 and 2, is characterized in that: also comprise damping(18), at least two, be arranged on the lateral wall of mass (6) and the madial wall of described shell (2)Between, reserved the second gap between described damping (18) and the lateral wall of described mass (6).

12. linear vibration electric motors according to claim 4, is characterized in that: described stator moduleComprise

Iron core (9), it is upper that one end is fixed on described substrate (1), and the other end is overlapped on described support (8)Upper, and be positioned at described the first space;

Coil (10), is set on the other end of described iron core (9);

Wiring board (11), is arranged on described iron core (9) upper, is connected with described coil (10).

13. linear vibration electric motors according to claim 12, is characterized in that: described iron core (9)Comprise

Iron core body (91), is fixed in described substrate (1);

Installation portion (92), is overlapped on described support (8) upper, for sheathed described coil (10);

Changeover portion (93), is connected described iron core body (91) with described installation portion (92), makeThe height of described installation portion (92) is higher than described iron core body (91).

14. linear vibration electric motors according to claim 13, is characterized in that: described installation portion(92) be E font, opening is towards described magnet (7), and described coil (10) is set in described EOn the middle part of font.

15. linear vibration electric motors according to claim 14, is characterized in that: along continuous straight runs,One end of the installation magnet (7) of described mass (6) is E font, to form two described firstGroove (17).