CN207039491U

CN207039491U - A kind of magnetic suspension vibrating motor

Info

Publication number: CN207039491U
Application number: CN201720526669.3U
Authority: CN
Inventors: 赵朝旭; 黄自乐
Original assignee: Wenzhou Fuerte Electronic Technology Co Ltd
Current assignee: Wenzhou Fuerte Electronic Technology Co Ltd
Priority date: 2017-05-12
Filing date: 2017-05-12
Publication date: 2018-02-23
Anticipated expiration: 2027-05-12

Abstract

The utility model discloses a kind of magnetic suspension vibrating motor, including shell, swinging axle, vibration component and stator module.Swinging axle is located in the installation cavity of shell, and its one end stretches out the part that outside shell and connection is driven by it；Vibration component has the first magnet and the second magnet being oppositely arranged on swinging axle both sides, the opposite polarity of the opposed facing one end of two magnets；Stator module, which has, is located at the vibration component both sides and the first coil being oppositely arranged and the second coil；After to two coil electricities, it produces the electromagnetic field that two magnet band movable pendulum moving axis of driving do oscillating motion around its axis, and electromagnetic field caused by two coils forms an electromagnetic circuit with the first magnet and the second magnet respectively.Two electromagnetic circuits cause swinging axle by two electromagnetic actuation forces in the same direction, rather than eccentric force, can provide more driving forces to swinging axle so that swinging axle is easier to rotate, and reduces the energy consumption needed for vibrating motor.

Description

A kind of magnetic suspension vibrating motor

Technical field

It the utility model is related to technical field of motors, and in particular to a kind of magnetic suspension vibrating motor.

Background technology

Constantly improve with the living standard of consumer, electric toothbrush is constantly as the preferred of consumer healthcare's tooth Instrument.

Such as Chinese patent literature CN106236305A discloses a kind of vibrating motor using in electric toothbrush, before it includes Lid, bonnet, the first fixed mount, the second fixed mount, coil stator component, two pieces of magnets, swinging axle and shell fragment.Wherein, coil Stator module is arranged on the first fixed mount top surface, and it includes the iron core of U-shaped, the coil being set on iron core；Two pieces Magnet is symmetrically mounted on the left and right sides of the second fixed mount, and top one end of two pieces of magnets is all S poles (or N pole), bottom one End is all N poles (or S poles)；Shell fragment is arranged in the second fixed mount lower surface, and shell fragment is formed with two pieces of magnets, the second fixed mount Vibration component；On in left-right direction, one end of shell fragment is covered after being fixed on, and the other end is plugged on swinging axle, swinging axle it is another One end stretches out protecgulum and is connected to toothbrush.

The vibrating motor of this structure, after to coil electricity, electromagnetic field caused by coil is acted on two pieces of magnets so that two Block magnet band spring plate swings, and then shell fragment drives swinging axle to swing so that the toothbrush being fixedly connected with swinging axle Swing, realize the function of automatic teeth-brushing.But because iron core is U-shaped, the polarity that two pieces of magnets are located at same side is identical, when During to coil electricity, single electromagnetic circuit (as shown in Figure 1) is formed between iron core and two pieces of magnets, to active force caused by swinging axle In eccentric force, the driving force required for driving swinging axle is big.In addition, by driving shell fragment to swing to drive swing shaft vibration, need Want shell fragment that there is sufficiently large torsional deflection amount, be otherwise easy to damage shell fragment, influence the performance of vibrating motor.

Utility model content

Therefore, the technical problems to be solved in the utility model is to overcome vibrating motor coil stator of the prior art Component forms single electromagnetic circuit with magnet, and eccentric force is produced to swinging axle, the driving required for causing swinging axle to swing and reset The problem of power is big.

Therefore, the utility model provides a kind of magnetic suspension vibrating motor, including

Shell, there is installation cavity；

Swinging axle, in the installation cavity, its one end stretches out the installation cavity in vitro and is connected to what is be driven by it Part；

Vibration component, along the radial direction of the swinging axle, there is the first magnet being oppositely arranged on the swinging axle both sides With the second magnet, first magnet and the opposite polarity of described opposed facing one end of second magnet；

Stator module, set on the housing, vertically on, have positioned at vibration component both sides and relative The first coil of setting and the second coil；

After to the first coil and second coil electricity, it, which is produced, drives first magnet and the second magnet The swinging axle is driven to do the electromagnetic field of oscillating motion around its axis；Electromagnetism caused by the first coil and second coil Field forms an electromagnetic circuit with first magnet and the second magnet respectively.

Preferably, above-mentioned magnetic suspension vibrating motor, the stator module also include set on the housing and with institute State first coil and the second coil increases magnet assembly correspondingly, the magnet assembly that increases is used to strengthen each corresponding coil production The magnetic field intensity of raw electromagnetic field；

The first coil and second coil are separately positioned on each self-corresponding increasing magnet assembly.

It is further preferred that above-mentioned magnetic suspension vibrating motor, the increasing magnet assembly is in E fonts, is opened up on the shell Suitable for the installation through-hole of the increasing magnet assembly insertion, the E fonts opening for increasing magnet assembly is located in the installation cavity body；With institute The coil corresponding to increasing magnet assembly is stated to be set on the intermediate arm of the E fonts；First magnet and second magnet In space between the outside two-arm of the increasing magnet assembly.

Preferably, above-mentioned magnetic suspension vibrating motor, the increasing magnet assembly is iron core.

Preferably, above-mentioned magnetic suspension vibrating motor, the vibration component also includes being socketed on the swinging axle and edge The axially extending mass of the swinging axle；First magnet and second magnet are by being arranged on the mass And it is fixed on the swinging axle.

It is further preferred that above-mentioned magnetic suspension vibrating motor, along the radial direction of the swinging axle, the both ends of the mass The first installation groove and the second installation groove suitable for first magnet and second magnet insertion are opened up on face respectively.

Preferably, above-mentioned magnetic suspension vibrating motor, elastic component is additionally provided between the other end and shell of the swinging axle, The elastic component is used to limit the angle that the swinging axle rotates, and for cancelling to the first coil and second line After circle is powered, the swinging axle is reset into original state.

It is further preferred that above-mentioned magnetic suspension vibrating motor, the elastic component is shell fragment, one end grafting of the shell fragment In the first slot on the swinging axle other end end face, the other end is inserted in the second slot on the shell.

Preferably, above-mentioned magnetic suspension vibrating motor, the both ends of the shell fragment have the first plug division and the second plug division, It is in be gradually reduced that the width of the shell fragment plays its middle part from first plug division, and arrives second plug division from the center In gradual increase, and the width of second plug division is more than the width of first plug division；

First plug division and second plug division are plugged in first slot and in the second slot respectively.

Preferably, above-mentioned magnetic suspension vibrating motor, the shell include with first be open the first housing and with Second housing of the second opening；First opening of first housing be located in the second opening of second housing, with shape Into the installation cavity of closure.

Technical solutions of the utility model, have the following advantages that：

1. magnetic suspension vibrating motor provided by the utility model, including shell, swinging axle, vibration component, stator module.Shake Dynamic component has the first magnet and the second magnet being oppositely arranged on the swinging axle both sides, first magnet and described the The opposite polarity of the opposed facing one end of two magnets；Stator module have positioned at the vibration component both sides and be oppositely arranged the One coil and the second coil.

After to first coil and the second coil electricity, due to the first magnet and the opposed facing one end polarity of the second magnet On the contrary, after first coil and the second coil electricity, the relative polarity of caused electromagnetic field is just on the contrary, then caused by first coil An electromagnetic circuit, electromagnetic field caused by the second coil and the second magnet are formed between the fixed magnetic field of electromagnetic field and the first magnet Fixed magnetic field between form another electromagnetic circuit, the formation of two electromagnetic circuits so that swinging axle is in the same direction by two Electromagnetic actuation force, rather than eccentric force, more driving forces can be provided to swinging axle so that swinging axle is easier to rotate, drop Energy consumption needed for low vibration motor；In addition, on the directly fixed swinging axle of magnet, direct drive swinging axle is swung, without first driving Shell fragment vibration drives swing shaft vibration again, so as to further reduce the energy consumption required for vibrating motor vibration.

2. magnetic suspension vibrating motor provided by the utility model, the stator module also include setting on the housing and Increase magnet assembly correspondingly with the first coil and/or the second coil, increase the setting enhancing first coil and the of magnet assembly Two coil produces the magnetic field intensity of electromagnetic field, and then increases the driving force to swinging axle so that swinging axle is easier to rotate, relatively Ground is answered to reduce the outside energy required for vibrating motor.

3. magnetic suspension vibrating motor provided by the utility model, it is in E fonts to increase magnet assembly, coil corresponding with increasing magnet assembly It is set on the intermediate arm of E fonts, magnetic field caused by two coil electricities concentrates on three arms of two increasing magnet assemblies respectively, So that there are more electromagnetic forces on magnet, strengthen electromagnetism utilization rate, so as to reduce the energy needed for vibrating motor.

4. magnetic suspension vibrating motor provided by the utility model, bullet is additionally provided between the other end and shell of the swinging axle Property part, by the maximum twist deflection of shell fragment, to limit the angle of swinging axle rotation, be easy to change in time to first coil and Second coil is passed through sense of current and size；And after cancelling to the first coil and second coil electricity, in bullet Under the restoring force effect of piece itself, swinging axle is reset to the reset response of original state, rather than picture drives in the prior art Spring plate drives swinging axle to rotate, so as to be played a protective role to shell fragment.

5. magnetic suspension vibrating motor provided by the utility model, the both ends of shell fragment have the first plug division and the second grafting Portion, by the width less than its both ends of the middle part width design of shell fragment so as to middle part since the first plug division, it becomes shell fragment Shape amount gradually increases, and is gradually decreased from the center to the second plug division, its deflection, then is formed using the middle part of shell fragment and be used as buffering Area so that shell fragment has required torsional deflection amount, and the torsional deflection amount limits the swing angle scope of swinging axle, and cancels After coil electricity, swinging axle is reset into original state；Meanwhile second plug division width be more than the first plug division width Degree, its torsional deflection amount very little, makes the shell of the plug division of grafting second not as swinging axle is swung.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the electromagnetic circuit structural representation of magnetic suspension vibrating motor in documents in background technology；

The dimensional structure diagram for the magnetic suspension vibrating motor that Fig. 2 is provided by the utility model embodiment；

Fig. 3 is the exploded perspective view of magnetic suspension vibrating motor in Fig. 2；

Fig. 4 is the longitudinal profile schematic diagram of magnetic suspension vibrating motor in Fig. 2；

Fig. 5 is the structural representation of the first housing and the second housing in magnetic suspension vibrating motor housing in Fig. 2；

Fig. 6 is the structural representation that magnetic suspension vibrating motor goes out after falling the first housing in Fig. 2；

Fig. 7 is swinging axle in magnetic suspension vibrating motor in Fig. 2 and mass, the assembling schematic diagram of shell fragment；

Fig. 8 is the structural representation for increasing magnet assembly in Fig. 2 in magnetic suspension vibrating motor；

Fig. 9 is that the first iron core and the first magnet, the second iron core and the second magnet form two in magnetic suspension vibrating motor in Fig. 2 The structural representation of individual electromagnetic circuit；

Figure 10 is the structural representation of magnetic suspension vibrating motor inner shrapnel in Fig. 2；

Description of reference numerals：

1- shells；The housings of 11- first；The housings of 12- second；The recessed grooves of 111- first；The recessed grooves of 112- second；113- Three recessed grooves；The recessed grooves of 114- the 4th；115- threading holes；116- Part II；117- is raised；13- installation through-holes；

2- swinging axles；The slots of 21- first；

3- vibration components；The magnets of 31- first；The magnets of 32- second；33- masses；The installation grooves of 331- first；332- Two installation grooves；

4- stator modules；41- first coils；The coils of 42- second；43- increases magnet assembly；431- intermediate arms；On the outside of 432- Arm；

5- bearings；

6- shell fragments；The plug divisions of 61- first；The plug divisions of 62- second；In the middle part of 63-.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Conflict can is not formed to be combined with each other.

Embodiment 1

The present embodiment provides a kind of magnetic suspension vibrating motor, as shown in Figure 2, Figure 3 and Figure 4, including shell 1, swinging axle 2, Vibration component 3, stator module 4 and shell fragment 6.

As shown in figure 5, shell 1 includes the first housing 11 with the first opening and the second housing with the second opening 12, the openings snap-fit of the first housing 11 forms the installation cavity of closure in the opening of the second housing 12.The top of first housing 11 An installation through-hole is opened up respectively on portion and the bottom of the second housing 12；It is and convex with two on the inner surface of installation through-hole Rise, be easy to it is follow-up increase magnet assembly 43 be arranged in installation through-hole carry out it is spacing.

The top inner wall face of first housing 11 has four recessed grooves to cave inward, is respectively first recessed for ease of statement Groove 111, the second recessed groove 112, the 3rd recessed groove 113 and the 4th recessed groove 114 are fallen into, is respectively used to installation is hereinafter mentioned one Individual bearing, mass 33, another bearing and shell fragment 6；Wherein, the both ends of the second recessed groove respectively with the first recessed groove 111 and the 3rd recessed groove 113 form step groove, the 3rd recessed groove 113 and the 4th recessed groove 114 formation step groove, above-mentioned peace Dress through hole is located in the second recessed groove 112.

The structure of second housing 12 and the symmetrical configuration of the first housing 11, it may have the first above-mentioned recessed groove 111, second Recessed groove 112, the 3rd recessed groove 113 and the 4th recessed groove 114, two the first recessed grooves 111 form the ring of a placement bearing Shape groove；Two the 3rd recessed grooves 113 form the annular groove for placing another bearing；Two the second recessed grooves 112, which are formed, places matter First cavity of gauge block 33, and two the 4th recessed grooves 114 surround the second cavity for placing shell fragment 6.Preferably, the first housing 11 are fixedly connected with the edge of the second housing 12 using fastener, such as bolt assembly or screw.

As shown in fig. 6, swinging axle 2, in installation cavity, its one end is stretched out installation cavity in vitro and driven for connecting by it Dynamic part, such as toothbrush, shell fragment 6 is set between the other end and shell 1.

Vibration component 3 is fixed on swinging axle 2, and vibration component 3 includes the first magnet 31, the second magnet 32 and mass 33.Wherein, mass 33 is socketed in swing and turns upper and along the axially extending of swinging axle 2；Along the radial direction of swinging axle 2, the first magnet 31 and second magnet 32 be symmetricly set on the both sides end face of mass 33 so that the both ends counterweight of mass 33 is consistent, mass 33 and two pieces of magnets assembly body be arranged on the first above-mentioned cavity in；First magnet 31 and the second magnet 32 opposed facing one The opposite polarity at end.Such as first magnet 31 towards the side of the second magnet 32 be S poles, opposite side is N poles, accordingly, the second magnetic Body 32 is N poles towards the side of the first magnet 31, and opposite side is S poles, and the first magnet 31 and the second magnet 32 are preferably magnet.

As shown in fig. 7, the first installation groove 331 and the second mounting groove are opened up on the both sides end face of mass 33 respectively, the One magnet 31 and the second magnet 32 are respectively embedded into the first installation groove 331 and the second installation groove 332, with quality Block 33 forms an entirety.As shown in figure 4, the axial direction of the first installation groove 331 and the second installation groove 332 along swinging axle 2 is in Through slot, one end of the first magnet 31 are embedded in the first installation groove 331, and the other end stretches out mass 33, is easy to the first magnet 31 installation；When installing magnet, magnet one end need to be only gradually inserted in installation groove i.e. along the axial direction of swinging axle 2 Can；Or the radial direction along swinging axle 2, magnet is integrally inserted in installation groove.That is, the mass provided with two pieces of magnets 33 are directly anchored on swinging axle 2, and after being powered to the coil 42 of first coil 41 and second, direct drive is swung by mass 33 Swinging axle 2 is swung, so as to increase the driving force being transferred on swinging axle 2 so that swinging axle 2 is easier to swing.

As shown in figure 3, stator module 4 includes first coil 41, the second coil 42 and two increasing magnet assemblies 43.Wherein, two Individual increasing magnet assembly 43 is separately fixed in the installation through-hole on the first housing 11 and the second housing 12, and spacing by two projections, The coil 42 of first coil 41 and second is respectively sleeved at one and increased on magnet assembly 43, and is symmetricly set on the first housing 11 and second On housing 12, such as by glue sticking on shell 1；On vertically, the coil 42 of first coil 41 and second is located at quality The both sides of block 33.The contact conductor for the coil 42 of first coil 41 and second is opened up on first housing 11 and the second housing 12 respectively Pass the threading hole 115 in the external world.

After being powered to the coil 42 of first coil 41 and second, an electromagnetic field is produced respectively, in the effect of the electromagnetic field Under, drive the first magnet 31 and the second magnet 32 to drive mass 33, swinging axle 2 to swing required angle, and then to be fixed on Toothbrush vibration on swinging axle 2 outside shell 1.The setting of two increasing magnet assemblies 43, can increase the He of first coil 41 respectively Second coil 42 produces the magnetic field intensity of electromagnetic field after being powered, the driving force swung with increase driving swinging axle 2 so that swinging axle 2 are easier to vibrate；Meanwhile first magnet 31 and 32 opposed facing side opposite polarity of the second magnet so that the first magnet 31 Fixed magnetic field and the second magnet 32 fixed magnetic field respectively with one increase magnet assembly 43 formed an electromagnetic circuit.

For increasing magnet assembly 43, as shown in figure 8, increasing magnet assembly 43 as in the iron core of E fonts, the opening court of E fonts Into installation cavity body, first coil 41 is set on the intermediate arm 431 of an E font iron core, and the second coil 42 is set in another On the intermediate arm 431 of individual E fonts iron core；Vibration component 3 is in the space that two E font iron cores outer webs 432 surround, and iron Gap needed for being reserved between core and mass 33.

As shown in figure 9, after being powered to the coil 42 of first coil 41 and second, the coil 42 of first coil 41 and second produces Electromagnetic field be concentrated on three arms of E fonts, for ease of statement, by the E fonts on the coil 42 of first coil 41 and second Iron core is expressed as the first iron core and the second iron core respectively, and the polarity on three arms of the first iron core is respectively N-S-N, the second iron core The polarity of three arms be respectively S-N-S, then an electromagnetic circuit is formed between the first iron core and the first magnet 31, it is moved towards For：The S poles of the iron core of N poles-first of the magnet of S poles-first 31 of the magnets of the N of first iron core-first 31；Second iron core and Another electromagnetic circuit is formed between two magnets 32, its trend is：The magnetic of S poles-second of the magnets of the N of second iron core-second 32 The S poles of the iron core of N poles-second of body 32；Due to the polar orientation of two opposed facing one end of magnet, then two electromagnetic circuits Two in mass 33 it is diagonal on, produce two electromagnetic fields in 2 symmetrical both sides of swinging axle, and then swinging axle 2 is produced Two symmetrical driving forces, the direction of the driving force is consistent, and driving swinging axle 2 rotates facing one direction so that the institute of swinging axle 2 The active force being subject to is not eccentric force, but forms the lever using the center of swinging axle 2 as fulcrum, and the both ends of lever have respectively One electromagnetic field so that swinging axle 2 is by the active force of equilibrium, and two electromagnetic forces are jointly under driving so that swinging axle 2 is easier Swing, relatively reduce the half of the energy consumption needed for vibrating motor vibration.

For shell fragment 6, as shown in Figure 10, shell fragment 6 is plate-like, and first is opened up on the other end end face of swinging axle 2 Slot 21, the second slot is provided with the internal face of shell 1, the second slot is made up of two parts, and Part I is opened in first On housing 11, Part II 116 is opened on the second housing 12, after the first housing 11 and the second housing 12 are installed in place, A part surrounds the second above-mentioned slot with Part II 116；Shell fragment 6 is arranged in the second above-mentioned cavity, its one end insertion In first slot 21, the other end is inserted in the second slot.When swinging axle 2 is swung, shell fragment 6 is located at the end in the second slot In stationary state, the other end is swung with swinging axle 2 so that shell fragment 6 twists motion, and the effect for setting shell fragment 6 is to be used for The angle that swinging axle 2 rotates is limited, and for after cancelling to the energization of the coil 42 of first coil 41 and second, swinging axle 2 to be answered Original state is arrived in position.

As shown in figure 8, the both ends of shell fragment 6 have the first plug division 61 and the second plug division 62, the width of shell fragment 6 is from It is in be gradually reduced that its middle part 63 is played in one plug division 61, and the 63 to the second plug division 62 increases in gradual from the center, and second The width of plug division 62 is more than the width of the first plug division 61；First plug division 61 and the second plug division 62 are plugged on first respectively In slot 21 and in the second slot.The width of shell fragment 6 is smaller, and its stiffness is bigger, is more easily deformed, and the deflection having is bigger； By the width less than its both ends of the width design of middle part 63 of shell fragment 6 so that shell fragment 6 is since the first plug division 61 to middle part 63, its deflection gradually increases, from the center the 63 to the second plug division 62, and its deflection gradually decreases, then is formed with shell fragment 6 Middle part 63 is used as buffering area so that shell fragment 6 has required torsional deflection amount, and the torsional deflection amount limits the pendulum of swinging axle 2 Dynamic angular range；Meanwhile second plug division 62 width be more than the first plug division 61 width, its torsional deflection amount very little, make The shell 1 of the second plug division of grafting 62 is not as swinging axle 2 is swung.The torsional deflection amount of shell fragment 6 is bigger, and it allows swinging axle 2 to put Dynamic angle is bigger；On the contrary, torsional deflection amount is smaller, the angle that it allows swinging axle 2 to swing is smaller；In actual use process In, according to the cooperation of mass 33 and the torsional deflection amount of shell fragment 6, to determine the frequency of the swing of swinging axle 2.

Two bearings are also arranged with swinging axle 2, two bearings are located at the both sides of mass 33, are separately fixed at above-mentioned In the annular housing that the annular housing and two the 3rd recessed grooves 113 that two the first recessed grooves 111 are formed are formed, reduce and swing The frictional force suffered when rotating of axle 2.

Magnetic suspension vibrating motor in this embodiment, before being not powered on, shell fragment 6 is under original state, mass 33 Also it is maintained at horizontal equilibrium state；After positive electricity is passed through to the coil 42 of first coil 41 and second, three arms on the first iron core Polarity be N-S-N, the polarity of three arms on the second iron core is S-N-S, according to there is a natural attraction between the sexes, the principle that identical charges repel each other, N poles in one iron core right arm attract the S poles of the outboard end of the second magnet 32, and the S poles on intermediate arm 431 attract in the second magnet 32 The N poles of side；Similarly, the S poles on the left of the second iron core on arm attract the N poles of the outboard end of the first magnet 31, the N on midfeather Pole attracts the S poles of the medial extremity of the second magnet 32, and under two electromagnetic field effects, driving swinging axle 2 rotates clockwise, and drives Shell fragment 6 does torsional deflection, when the torsional deflection of shell fragment 6 is to limiting value, limitation swinging axle 2 is continued into edge and rotated clockwise；Now Reverse electricity is passed through to the coil 42 of first coil 41 and second, then three of the polarity of three on the first iron core arm and the second iron core The polarity of arm is exchanged, and driving swinging axle 2 rotates counterclockwise, and band spring plate 6 reverses anyway, and shell fragment 6 returns to original state； Swinging axle 2 continues to rotate counterclockwise, then shell fragment 6 twists deformation again, the torsional deflection pole until reaching shell fragment 6 again Limit value, then give coil electricity logical positive electricity, to realize axle or so the reciprocally swinging centered on its axis of swinging axle 2；Or stop To coil electricity, now under the restoring force effect of shell fragment 6 itself, driving swinging axle 2 rotates towards initial position, and returns to pendulum The original state of moving axis 2.

The magnetic suspension vibrating motor of this structure, due to setting two coils, and the opposed facing one end pole of two magnets Property comes magnetic field caused by intensifier coil so that two on the contrary, set the iron core of an E font respectively on two coils simultaneously Iron core forms an electromagnetic circuit between two magnets respectively, and two electromagnetic circuits produce two driving forces, increase driving pendulum The driving force that moving axis 2 is swung so that swinging axle 2 is easier to swing, and extraneous energy consumption is lower required for vibrating motor；Mass 33 Directly swinging axle 2 is driven to swing, swinging axle 2 is swung with spring plate 6, is put by the torsional deflection amount of shell fragment 6 to limit swinging axle 2 Dynamic angle so that electromagnetic force is more efficiently transmitted；Entirely vibrating motor is compact-sized, only need to set two housings, outside Required installation cavity is formed on shell 1, multiple fixed mounts are set to support in the prior art without picture, so that the vibration is electric The installation and removal of machine are convenient.

The assembly technology of vibrating motor in this embodiment is：Mass 33 is fixed on swinging axle 2 in advance, first The first installation groove 331 and the second installation groove that the magnet 32 of magnet 31 and second inserts on the both sides end face of mass 33 respectively In 332, two bearings are set on swinging axle 2 and positioned at the both sides of mass 33 in advance；Insert first plug division 61 of shell fragment 6 Enter the first slot 21 on swinging axle 2, to form an assembly；First iron core and the second iron core are separately mounted to first In the installation through-hole of the housing 12 of housing 11 and second, and by the coil 42 of first coil 41 and second be respectively sleeved at the first iron core and On the intermediate arm 431 of second iron core；Afterwards again by the integral installation of swinging axle 2 in the inner chamber of the second housing 12, two bearings point Not Wei Yu the first recessed groove 111 and the 3rd recessed groove 113, mass 33 is located in the second recessed groove 112, and shell fragment 6 is located at the 4th In the Part II 116 of recessed groove 114 and its other end the second slot of insertion, the one end of swinging axle 2 away from shell fragment 6 passes through second Groove on housing 12 is protruding to be connected to other driven member, such as toothbrush；The first housing 11 is finally buckled in second On housing 12 so that the face of 41 and second coil of first coil 42, be fixedly connected with two housings using fastener.

As interchangeable embodiment, shell 1 can also be arranged to the second housing 12 and a cover plate, above-mentioned installation Cover plate need to be only fixed in the opening of the second housing 12 by cavity forming in the second housing 12.For the shape of shell 1 For, can be that either rectangle or other shapes can for circle.

As interchangeable embodiment, the width of shell fragment 6 can also be from the first plug division 61 towards the second plug division 62 Gradually increase so that the moment of torsion at the first plug division 61 is big, and the torsional deflection amount closer to the second plug division 62 is smaller；Or The width of shell fragment 6 can also be consistent, the middle part 63 of shell fragment 6 is made of the big material of elasticity, and both ends material elasticity is small Material be made so that the elastic deformation of middle part 63 is big.

As interchangeable embodiment, shell fragment 6 can also be replaced by other elastic components, such as torsion spring or just have torsion Change the elastomer of shape, only need the elastic component to be used for the angle for limiting the rotation of swinging axle 2, and for cancelling to first coil 41 After being powered with the second coil 42, swinging axle 2 is reset into original state.

As further deformation, the both ends of mass 33 can also be not provided with the first installation groove 331 and the second installation Groove 332, the first magnet 31 and the second magnet 32 are fixed using other fixed forms.For example, bonding way or spot welding side Formula etc..

As interchangeable embodiment, mass 33 can also be not provided with vibration component 3, only including above-mentioned first The magnet 32 of magnet 31 and second；Along the radial direction of swinging axle 2, the first magnet 31 and the second magnet 32 are oppositely arranged on swinging axle 2 On both sides.

As interchangeable embodiment, increase magnet assembly 43 only need to can be soft magnetic bodies, be led to when to coil with other structures After electricity, it is capable of the intensity of intensifier coil generation electromagnetic field, such as soft magnetic ferrite.

As further deformation, increase the shape of magnet assembly 43 except for E fonts, can also being other shapes, such as M shapes Shape.

As further deformation, above-mentioned stator module 4 can also be not provided with increasing magnet assembly 43, only include above-mentioned the One coil 41 and the second coil 42；After being directly powered using the coil 42 of first coil 41 and second, each caused electromagnetic field comes Two pieces of magnets of driving and mass 33 drive swinging axle 2 to swing required angle.

Namely magnetic suspension vibrating motor need to only include shell 1, swinging axle 2, vibration component 3 and stator module 4, shell 1 With installation cavity；For swinging axle 2 in installation cavity, its one end stretches out installation cavity in vitro and for connecting the portion being driven by it Part；Radial direction of the vibration component 3 along swinging axle 2, there is the first magnet 31 and the second magnet being oppositely arranged on the both sides of swinging axle 2 32, the opposite polarity of 32 opposed facing one end of the first magnet 31 and the second magnet；Stator module 4 is arranged on shell 1, along perpendicular Nogata is upward, has the coil 42 of first coil 41 and second for being located at the both sides of vibration component 3 and being oppositely arranged；To first coil 41 and second coil 42 be powered after, its produce driving first magnet 31 and the second magnet 32 drive swinging axle 2 put around its axis The electromagnetic field of dynamic motion；Electromagnetic field caused by the coil 42 of first coil 41 and second respectively with the first magnet 31 and the second magnet 32 Form an electromagnetic circuit.Two electromagnetic circuits produce two driving forces to swinging axle 2, and increase drives the driving force of swinging axle 2, So that swinging axle 2 is easier to rotate, required energy consumption is low.

Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among the protection domain that variation is created still in the utility model.

Claims

A kind of 1. magnetic suspension vibrating motor, it is characterised in that including

Shell (1), there is installation cavity；

Swinging axle (2), in the installation cavity, its one end stretches out the installation cavity in vitro and is connected to the portion being driven by it Part；

Vibration component (3), along the radial direction of the swinging axle (2), there is first be oppositely arranged on the swinging axle (2) both sides Magnet (31) and the second magnet (32), first magnet (31) and the polarity of the opposed facing one end of second magnet (32) Conversely；

Stator module (4), be arranged on the shell (1), vertically on, have be located at the vibration component (3) both sides And the first coil (41) and the second coil (42) being oppositely arranged；

After being powered to the first coil (41) and second coil (42), its produce drive described first magnet (31) and Second magnet (32) the drive swinging axle (2) does the electromagnetic field of oscillating motion around its axis；The first coil (41) and institute State electromagnetic field caused by the second coil (42) and form an electromagnetism time with first magnet (31) and the second magnet (32) respectively Road.
2. magnetic suspension vibrating motor according to claim 1, it is characterised in that：The stator module (4) also includes setting Increase magnet assembly (43) correspondingly on the shell (1) and with the first coil (41) and the second coil (42), it is described Increase the magnetic field intensity that magnet assembly (43) is used to strengthen each corresponding coil generating electromagnetic field；

The first coil (41) and second coil (42) are separately positioned on each self-corresponding increasing magnet assembly (43).
3. magnetic suspension vibrating motor according to claim 2, it is characterised in that：The increasing magnet assembly (43) is in E fonts, institute State and the installation through-hole embedded suitable for the increasing magnet assembly (43), the E font openings for increasing magnet assembly (43) are opened up on shell (1) In the installation cavity body；The coil corresponding with the increasing magnet assembly (43) is set in the intermediate arm of the E fonts (431) on；First magnet (31) and second magnet (32) are between the outside two-arm of the increasing magnet assembly (43) Space in.
4. the magnetic suspension vibrating motor according to Claims 2 or 3, it is characterised in that：The increasing magnet assembly (43) is iron core.
5. the magnetic suspension vibrating motor according to any one of claim 1-3, it is characterised in that：The vibration component (3) Also include being socketed on the swinging axle (2) and along the axially extending mass (33) of the swinging axle (2)；First magnetic Body (31) and second magnet (32) are fixed on the swinging axle (2) by being arranged on the mass (33).
6. magnetic suspension vibrating motor according to claim 5, it is characterised in that：It is described along the radial direction of the swinging axle (2) First embedded suitable for first magnet (31) and second magnet (32) is opened up in the both ends of the surface of mass (33) respectively Installation groove (331) and the second installation groove (332).
7. the magnetic suspension vibrating motor according to any one of claim 1-3, it is characterised in that：The swinging axle (2) Elastic component is additionally provided between the other end and shell (1), the elastic component is used for the angle for limiting the swinging axle (2) rotation, and For after cancelling to the first coil (41) and second coil (42) energization, the swinging axle (2) to be reset to just Beginning state.
8. magnetic suspension vibrating motor according to claim 7, it is characterised in that：The elastic component is shell fragment (6), the bullet One end of piece (6) is plugged on the first slot (21) on the swinging axle (2) other end end face Nei, and the other end inserts the shell (1) in the second slot on.
9. magnetic suspension vibrating motor according to claim 8, it is characterised in that：The both ends of the shell fragment (6) have first Plug division (61) and the second plug division (62), the width of the shell fragment (6) play its middle part from first plug division (61) (63) it is in be gradually reduced, and (63) increase to second plug division (62) in gradual from the center, and second plug division (62) width is more than the width of first plug division (61)；

First plug division (61) and second plug division (62) are plugged in first slot (21) and second respectively In slot.
10. the magnetic suspension vibrating motor according to any one of claim 1-3, the shell (1) includes having first to open The first housing (11) of mouth and the second housing (12) with the second opening；First opening of first housing (11) be located in In second opening of second housing (12), to form the installation cavity of closure.