CN206759343U - A kind of magnetic suspension vibrating motor - Google Patents
A kind of magnetic suspension vibrating motor Download PDFInfo
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- CN206759343U CN206759343U CN201720655240.4U CN201720655240U CN206759343U CN 206759343 U CN206759343 U CN 206759343U CN 201720655240 U CN201720655240 U CN 201720655240U CN 206759343 U CN206759343 U CN 206759343U
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- swinging axle
- shell
- vibrating motor
- magnetic suspension
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Abstract
The utility model provides a kind of magnetic suspension vibrating motor, including shell, swinging axle, stator module, rotor mechanism and elastic component；Cage connection is stretched out in the part being driven by it in one end of swinging axle, and for the other end in installation inner chamber, it sets the elastic component with required torsional deflection amount between shell；Stator module includes the first magnet and the second magnet, and rotor mechanism includes two rotor parts and coil, electromagnetic field caused by coil electricity and the first magnet, the second magnet fixed magnetic field in the presence of, driving rotor mechanism drive swinging axle swing needed for angle.Because elastic component has torsional deflection amount, then for elastic component close to one end of swinging axle as swinging axle rotates, the other end is in relative static conditions then not as swinging axle rotates, and so as to shell be driven to rock, outside centrifugal force will not be also produced to shell；The gravity of elastic component is almost undertaken by shell, and will not increase swinging axle is swung required driving force by weight, reduction swinging axle.
Description
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；Electric toothbrush is mainly swung by swinging axle in magnetic suspension vibrating motor, to drive the toothbrush being fixed on swinging axle to put
It is dynamic, and then realize electric tooth brushing function.
Magnetic suspension vibrating motor of the prior art mainly has unicoil magnetic suspension vibrating motor, its mainly include shell,
Swinging axle, coil, two rotors, two groups of magnets and eccentric wheel；Swinging axle is arranged in shell and cage connection is stretched out in one end
In eccentric wheel；Coil, two rotors and two groups of magnets are respectively positioned in shell, and coil and two rotors are set in swinging axle
On, and two rotors are located at the both sides of coil respectively；Two groups of magnets are separately fixed on outer casing inner wall face and rotating around being located at two
On the periphery of individual rotor.After to coil electricity, coil generating electromagnetic field, should according to the attracting principle of homopolar-repulsion and heteropole
The intermolecular forces of electromagnetic field and the fixed magnetic field of each group of magnet, and then angle needed for rotor driven and swinging axle swing, drive
Toothbrush is vibrated, and now eccentric wheel is rotated with swinging axle；, will under the self gravitation of eccentric wheel when stopping to coil electricity
Swinging axle resets to initial position.
But eccentric wheel can produce the centrifugal force outwards thrown out, the centrifugation in swinging axle rotation process
Power can collide shell so that whole magnetic suspension motor is rocking, and influences its stability used；Simultaneously increase swinging axle by
Weight so that it is big that driving swinging axle rotates required driving force.
Utility model content
Therefore, technical problem to be solved in the utility model is to overcome in magnetic suspension vibrating motor of the prior art
When swinging axle is swung, motor can be caused to rock, swinging axle swings the problem of required driving force is big.
Therefore, the utility model provides a kind of magnetic suspension vibrating motor, including
Shell, there is installation inner chamber；
Swinging axle, it is arranged in the installation inner chamber, its one end stretches out the cage connection in the part being driven by it；
Stator module, there is the coil for being set on the swinging axle and fixing on the housing, and be fixed on institute
State two sets of magnet groups on outer casing inner wall face；Two sets of magnet groups respectively have along the swinging axle it is axially arranged at least
One the first magnet and at least one second magnet；First magnet corresponds in the axial direction with second magnet；
Rotor mechanism, have and be separately fixed on the swinging axle and positioned at the rotor part of the coil both sides, it is described
Rotor part corresponds with the magnet group；The swinging axle is driven to do toward physical pendulum by the driving of the coil and magnet group
It is dynamic；
Elastic component, it is arranged between the other end of the swinging axle and the shell, there is required torsional deflection amount, be used for
Limit the angle that the swinging axle is swung.
Preferably, above-mentioned magnetic suspension vibrating motor, the elastic component are shell fragment, and one end of the shell fragment is plugged on described
In the first slot on swinging axle other end end face, the other end is inserted in the second slot on the shell.
It is further preferred that above-mentioned magnetic suspension vibrating motor, the both ends of the shell fragment have the first plug division and second
Plug division, the width of the shell fragment play its middle part in being gradually reduced from first plug division, and arrive described the from the center
Two plug divisions are in gradually 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, any rotor part include being fixed on the swinging axle
First increases magnet assembly, along the radial direction of the swinging axle, described first increase magnet assembly have it is prominent towards the shell direction and with
At least one boss in gap, all boss are evenly distributed on the pendulum needed for first magnet or the second magnet are reserved
On the periphery wall of moving axis.
Preferably, above-mentioned magnetic suspension vibrating motor, first magnet and second magnet are at least two, institute
There are first magnet and all second magnets to be evenly distributed on the peripheral outer wall face of the swinging axle；
One-to-one first magnet and the opposite polarity of one end of the medial surface of second magnet radially；Or
Person
One-to-one first magnet is axially located in the opposite polarity of one end of homonymy with second magnet.
It is further preferred that above-mentioned magnetic suspension vibrating motor, corresponding to first magnet and the second magnet edge
During the opposite polarity of one end of the medial surface of radial direction, two neighboring first magnet or the second magnet one end pole close to each other
Property is opposite.
It is further preferred that above-mentioned magnetic suspension vibrating motor, corresponding to one-to-one first magnet with it is described
When second magnet is axially located in the opposite polarity of one end of homonymy, two neighboring first magnet or the second magnet mutually lean on
Near one end polarity is identical.
Preferably, above-mentioned magnetic suspension vibrating motor, in the swinging axle radially, the outboard end of a boss
Face corresponds to the inner side end of two neighboring first magnet or the second magnet；It is described convex in the circumference of the swinging axle
The circumferential lengths of platform are less than the gap between two neighboring first magnet or the medial extremity of two the second magnets.
Preferably, above-mentioned magnetic suspension vibrating motor, the rotor mechanism also includes being socketed on the swinging axle and position
Second in the coil inner chamber increases magnet assembly；
Two the first increasing magnet assemblies are socketed in described second and increased on magnet assembly.
It is further preferred that above-mentioned magnetic suspension vibrating motor, in addition to be set in outside the second increasing magnet assembly and solid
The fixed mount being scheduled on shell, the coil are set on the fixed mount, and two described first increase magnet assembly positioned at described
The both ends of fixed mount.
Preferably, above-mentioned magnetic suspension vibrating motor, the shell are included along the axially arranged first shell of the swinging axle
Body and the second housing, first housing are fastened with second housing and set to surround the hollow cavity with both ends open；
And the first lid and the second lid on the both ends of first housing, the second housing are arranged on, by the hollow cavity
Both ends open close to form the installation inner chamber；
One end of the swinging axle stretches out through first lid, and it is another that the elastic component is fixed on the swinging axle
Between one end and second lid.
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, stator module, rotor mechanism with
And elastic component；The cage connection is stretched out in the part being driven by it in one end of swinging axle, and the other end is located in installation inner chamber, its
Elastic component with required torsional deflection amount is set between shell.Eccentric wheel of the prior art is replaced using elastic component,
When swinging axle is swung, because elastic component has torsional deflection amount, then elastic component close to one end of swinging axle with swinging axle turn
Dynamic, the other end is in relative static conditions then not as swinging axle rotates, and so as to shell be driven to rock, also will not
Outside centrifugal force is produced to shell；Meanwhile elastic component is arranged in shell so that whole vibrating motor compact-sized and
It is safe.In addition, the gravity of elastic component is almost undertaken by shell, being swung by weight, reduction swinging axle for swinging axle will not be increased
Required driving force.
2. magnetic suspension vibrating motor provided by the utility model, one end of shell fragment is plugged on the swinging axle other end end
In the first slot on face, the other end is inserted in the second slot on the shell.When swinging axle rotates, the both ends of shell fragment exist
There is cushion space in two slots, prevent that in swinging axle swing process, being fixed on for shell fragment is outer using when being fixedly connected with mode
One end on shell exceeds the limiting value of its torsional deflection amount, damages shell fragment, so as to play cushioning and protection to shell fragment.
3. 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, realizes the shell of the plug division of grafting second not as swinging axle is swung.
4. magnetic suspension vibrating motor provided by the utility model, rotor mechanism also includes being socketed on the swinging axle and position
Second in the coil inner chamber increases magnet assembly；Two the first increasing magnet assemblies are socketed in described second and increased on magnet assembly.
After to coil electricity, electromagnetic field caused by coil is all concentrated on the second increasing magnet assembly, and then is transferred to the first increasing magnet assembly
On each boss on, according to the attracting principle of homopolar-repulsion and heteropole, the first magnet and the fixed magnetic field of the second magnet and its
Electromagnetic field on corresponding boss is acted on, to drive boss to drive angle needed for swinging axle swing.
5. magnetic suspension vibrating motor provided by the utility model, shell include the first housing, the second housing, the first lid and
Second lid, the first housing are fastened with second housing and set to surround the hollow cavity with both ends open, the first lid
It is arranged on the second lid on the both ends of first housing, the second housing, the both ends open of the hollow cavity is closed
Form above-mentioned installation inner chamber；One end of swinging axle stretches out through first lid, and shell fragment is fixed on the swinging axle
Between the other end and the second lid, when dismantling vibrating motor, the first housing or the second housing need to only be dismantled, so that it may by shell
Spilt outside internal part, be easy to that the part is repaired or replaced；Accordingly also allow for the installation process of vibrating motor.
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 dimensional structure diagram of the magnetic suspension vibrating motor provided in the utility model embodiment；
Fig. 2 is the exploded perspective view of magnetic suspension vibrating motor in Fig. 1；
Fig. 3 is to remove the structural representation after shell in magnetic suspension vibrating motor in Fig. 1；
Fig. 4 is longitudinal profile schematic diagram of the magnetic suspension vibrating motor along swinging axle axial direction in Fig. 1；
Fig. 5 is longitudinal profile schematic diagram of the magnetic suspension vibrating motor along swing Axial and radial in Fig. 1；
Fig. 6 is the structural representation of magnetic suspension vibrating motor inner shrapnel in Fig. 1；
Fig. 7 is longitudinal profile schematic diagram of the magnetic suspension vibrating motor provided in embodiment 1 along swing Axial and radial；
Fig. 8 is longitudinal profile schematic diagram of the magnetic suspension vibrating motor provided in embodiment 2 along swing Axial and radial；
Description of reference numerals：
1- shells；The housings of 11- first；The housings of 12- second；The lids of 13- first；The lids of 14- second；
2- swinging axles；The slots of 21- first；
3- stator modules；31- coils；32- fixed mounts；The magnets of 33- first；The magnets of 34- second；
4- rotor parts；41- first increases magnet assembly；42- boss；43- second increases magnet assembly；
5- shell fragments；The plug divisions of 51- first；The plug divisions of 52- second；In the middle part of 53-；
6- bearings.
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 1 to Figure 3, including shell 1, swinging axle 2, stator
Component 3, rotor mechanism and shell fragment 5.
As depicted in figs. 1 and 2, shell 1 includes the first housing 11, the second housing 12, the first lid 13 and the second lid
14.First housing 11 and the second housing 12 are axially arranged along swinging axle 2, and the first housing 11 and the second housing 12 fasten set with
Surround the hollow cylindrical cavity with both ends open；First lid 13 and the second lid 14 are arranged on the first housing 11, second
On the both ends of housing 12, the both ends open of hollow cavity is closed to form installation inner chamber.One end of swinging axle 2 is covered through first
Body 13 stretches out and is connected to the part being driven by it, such as toothbrush, and shell fragment 5 is fixed on the other end of swinging axle 2 and the second lid
Between body 14.Two housings and two lids surround the cavity of a closure, only need to be by a housing when that need to open the cavity
Or a lid disassembles, especially by after a housing dismounting down, spill, be easy to outside the part in shell 1
The part being exposed is repaired or replaced.Preferably, the both ends of two lids and housing are respectively adopted fastener and fixed,
Such as bolt or bolt, or glue sticking.
For shell fragment 5, shell fragment 5 is plate-like, and it has required torsional deflection amount, the other end end of swinging axle 2
The first slot 21 is opened up on face, the second slot is provided with the internal face of the first lid 13；The first slot is inserted in one end of shell fragment 6
In 21, the other end is inserted in the second slot.When swinging axle 2 is swung, because shell fragment has certain torsional deflection amount, shell fragment 5
One end in the second slot is nearly at inactive state, and the other end is swung with swinging axle 2 so that shell fragment 5 twists
Motion, set shell fragment 5 effect be for limit swinging axle 2 rotation angle, and for cancel to coil 31 be powered after, will
Swinging axle 2 resets to original state.
As shown in fig. 6, the both ends of shell fragment 5 have the first plug division 5 and the second plug division 52, the width of shell fragment 5 is from first
It is in be gradually reduced that its middle part 53 is played in plug division 51, and the 53 to the second plug division 52 increases in gradual from the center, and second inserts
The width of socket part 52 is more than the width of the first plug division 51；First plug division 51 and the second plug division 52 are plugged on first and inserted respectively
In groove 21 and in the second slot.The width of shell fragment 5 is smaller, and its stiffness is bigger, is more easily deformed, and the deflection having is bigger；Will
The width less than its both ends of the width design of middle part 53 of shell fragment 5 so that shell fragment 5 since the first plug division 51 to middle part 53,
Its deflection gradually increases, from the center the 53 to the second plug division 52, and its deflection gradually decreases, then is formed with shell fragment 5
Portion 53 is used as buffering area so that shell fragment 5 has required torsional deflection amount, and the torsional deflection amount limits the swing of swinging axle 2
Angular range；Meanwhile second plug division 52 width be more than the first plug division 51 width, its torsional deflection amount very little, make to insert
The shell 1 of the second plug division 52 is connect not as swinging axle 2 is swung, shell will not be driven to swing so that whole motor operation is steady.
The torsional deflection amount of shell fragment 5 is bigger, and the angle that it allows swinging axle 2 to swing is bigger；On the contrary, torsional deflection amount is smaller, it allows to put
The angle that moving axis 2 is swung is smaller.
Stator module 3 includes 31, two sets of magnet groups of a coil and fixed mount 32.As shown in Figure 2 and Figure 4, fixed mount
32 be a cylindrical drum, and its both ends has ring baffle, and the fixed mount 32 is set in the second increasing magnet assembly 43 on swinging axle 2
In (hereinafter referring to) outside wall surface；Coil 31 is then set on fixed mount 32 and both ends are limited by ring baffle, the electricity of coil 31
Pole lead along swinging axle 2 extend axially outward and sequentially pass through the breach opened up on ring baffle and the second lid 14 on open up
Threading hole stretch to the external world；Two sets of magnet groups are fixed on the internal face of shell 1.
Two sets of magnet groups have the first magnet of axially arranged eight 33 and eight the second magnets along swinging axle 2 respectively
34, eight the first magnets 33 and eight the second magnets 34 are uniformly distributed rotating around the circumference of swinging axle 2, the first magnet 33 and second
Magnet 34 corresponds, and the opposite polarity of one end of the medial surface of the first magnet 33 and the second magnet 34 radially, namely
It is to say, the first magnet 33 and the second magnet 34 are radially extended and be fixed on shell.
For example, in the corresponding magnet 34 of one group of first magnet 33 and second, the first magnet 33 is towards one end of swinging axle
Polarity is S poles, and one end close to shell be N poles, the second magnet 34 towards the polarity of one end of swinging axle be N poles, close shell
One end be S poles.Two neighboring first magnet 33 or two neighboring second magnet 34 one end opposite polarity close to each other, example
Such as, one is S poles, and another is N poles.
Rotor mechanism includes two rotor parts 4, and two rotor parts 4 are separately fixed on swinging axle 2 and are located at coil
31 both sides, corresponded with magnet group.As shown in Figure 2 and Figure 4, either rotor part 4 includes the be socketed on swinging axle 2
One increases magnet assembly 41, such as the first iron core；Along the radial direction of swinging axle 2, first, which increases magnet assembly 41, has towards the direction of shell 1 protrusion
And it is evenly distributed on the first iron with four boss 42 in the reserved required gap of the first magnet 33 or the second magnet 34, four boss 42
On the peripheral outer wall face of core.
In swinging axle 2 radially, the end face outside of a boss 42 corresponds to two neighboring first magnet 33 (or second
Magnet 34) inner side end；In the circumference of swinging axle 2, the circumferential lengths of boss 42 be less than two neighboring first magnet 33 (or
Second magnet 34) medial extremity between gap so that the end face outside of boss 42 is close to two neighboring first magnet 33 (or
Two magnets 34) inner side end but do not extend into the gap between two neighboring first magnet 33 (or second magnet 34).First
The setting of iron core is easy to concentrate on the magnetic field intensity of electromagnetic field caused by hot-wire coil 31 on two the first iron cores, and then with two
The first magnet 33 and the second magnet 34 in set magnet group act on, to drive the first iron core to drive swinging axle 2 to swing required angle.
In fact, a part of the boss 42 as the first iron core.
In addition, rotor mechanism also includes the one second increasing magnet assembly 43 shared for two rotor parts 4, as shown in figure 4,
It is socketed on swinging axle 2, and above-mentioned fixed mount 32 is set in outside the second increasing magnet assembly 43, two first increasing magnet assemblies 41
It is socketed on the second increasing magnet assembly 43 and is separated by ring baffle and coil 31.Second increases preferably the second iron core of magnet assembly 43.
Caused electromagnetic field is first concentrated on the second iron core after coil 31 leads to positive electricity, as shown in figure 5, such as the second iron core
Both ends be divided into S poles and N poles, electromagnetic field is concentrated be transferred on two the first iron cores again by the second iron core so that first iron
One end of boss 42 on core is N poles (if towards the second magnet 34 one end), one end of boss 42 of another the first iron core
It is S poles；The polarity of the medial extremity towards swinging axle 2 of two neighboring first magnet 34 is respectively N poles and S poles, then it is to convex
N poles on platform 42, produce an attraction and a repulsive force；Corresponding two neighboring first magnet 33 towards swinging axle 2
The polarity of medial extremity be respectively S poles and N poles, its S pole to boss 42 produces a repulsive force and an attraction；This four
The direction of power is identical, drives two the first iron cores to drive swinging axle 2 to rotate counterclockwise；On the contrary, it is passed through reversely to coil 31
Electricity, then drive two the first iron cores to drive swinging axle 2 to rotate clockwise, to realize swinging for swinging axle 2, and then drive
Toothbrush is vibrated, and realizes electric tooth brushing function.
In addition, being also arranged with two bearings 6 on swinging axle 2, two bearings 6 are separately mounted to the first lid 13 and first
Between iron core, between the second lid 14 and another first iron core, for reducing friction suffered when swinging axle 2 rotates
Power.Specifically, the annular groove for installing bearing 6, the first lid 13 are provided with the first lid 13 and the second lid 14
It is respectively embedded into the second lid 14 in the both ends open of hollow cavity.Above-mentioned the first magnet 33 and the second magnet 34
Both preferably magnet.
The magnetic suspension vibrating motor of this embodiment, eccentric wheel of the prior art is replaced using shell fragment 5, shell fragment 5
The stiffness of middle part 53 is big, and the stiffness at both ends is small so that and shell fragment 5 has certain torsional deflection amount, when swinging axle 2 rotates, shell fragment 5
The first plug division 51 rotate with swinging axle 2, and the second plug division 52 is then plugged on the second lid 14, not with swinging axle
2 are rotated, and in relative static conditions, so as to which shell 1 will not be driven to rotate, outside centrifugal force will not be also produced to shell 1；Together
When, shell fragment 5 is arranged in shell 1 so that compact-sized and safe, the weight of of shell fragment 5 of whole vibrating motor itself
Very little is simultaneously delivered on shell 1 so that small by weight on swinging axle 2, the extraneous driving force required for it swings is smaller.Pass through
Electromagnetic field caused by coil 31 is intensively transferred on the boss 42 of two the first iron cores by two iron cores so that the utilization of electromagnetic force
Rate is high, reduces swinging axle 2 and swings required driving force；The setting of multiple boss 42 so that be distributed in each on swinging axle 2
First magnet 33 can act power to the first iron core so that swinging axle 2 is easier to swing, and improves the sensitive of vibrating motor
Property.In addition, shell 1 is arranged into two housings and two lids, it is easy to the disassembly and installation of shell 1, and in shell 1
Part is repaired or replaced.
As interchangeable embodiment, the cavity that the first housing 11 and the second housing 12 are formed can also be other shapes
Shape, such as long cylindrical chamber.As further deformation, shell 1 can also be other structures, such as not be separately provided the first lid
The lid 14 of body 13 and second, but the first lid 13 and the first housing 11 are integrally formed upper shell, the second lid 14 and second
Housing 12 is integrally formed lower house, and upper shell fastens to form above-mentioned installation cavity with lower house.Or have what is caved inward
The bottom shell body of groove, a lid is set in the opening of bottom shell body.
As deformation, above-mentioned fixed mount 32 can also be not provided with, directly coil 31 is set in outside the second iron core.As
Further deformation, above-mentioned first, which increases magnet assembly 41 and second, increases magnet assembly 43 in addition to for iron core, can also be that other are soft
Magnet, after need to being only powered to coil 31, it is capable of the intensity of the generation electromagnetic field of intensifier coil 31, such as soft magnetic ferrite.Make
For further deformation, above-mentioned second can also be not provided with and increase magnet assembly 43, directly coil 31 is set on swinging axle 2.
As interchangeable embodiment, the number of the first magnet 33 or the second magnet 34 can also be two, four, six
Individual etc., accordingly boss 42 is one, two, three etc..For example, as shown in fig. 7, boss 42 is three, corresponding the
Two magnets 34 and the first magnet 33 are respectively six.That is, the first magnet 33 or the second magnet 34 are at least two and are even number
It is individual；The number of boss 42 is the half of the first magnet 33 or second 34 numbers of magnet, even number the first magnet 33 or the second magnet
34 so that boss 42 sets number few and can correspond to each magnet 34 of first magnet 33 or second so that the first iron core by
Power is balanced, and the stability of vibrating motor is more preferable.
As further deformation, the number of boss 42 can not also be with the number pair of the first magnet 33 or the second magnet 34
Should, at least one boss 42 only need to be provided with the first its outer diameter, the boss 42 is towards the first magnet 33 or the second magnet
34.As further deformation, above-mentioned boss 42 can also be not provided with the peripheral outer wall face of the first iron core, it is corresponding
The number of ground, the first magnet 33 or the second magnet 34 can also be one, three, five etc..
As further deformation, above-mentioned rotor mechanism can also be not provided with the second increasing magnet assembly 43, only include above-mentioned
Rotor part.
In a word, at least one first magnet 33 and at least one second magnet 34, the first magnet 33 and the second magnet 34
Correspond and set in the axial direction.It is adjacent if the number of the first magnet 33 and the second magnet 34 is two or more
Opposite polarity of two the first magnets 33 towards the medial extremity for swinging swinging axle 2.
As interchangeable embodiment, the width of shell fragment 5 can also be from the first plug division 51 towards the second plug division 52
Gradually increase so that the moment of torsion at the first plug division 51 is big, and the torsional deflection amount closer to the second plug division 52 is smaller；Or
The width of shell fragment 5 can also be consistent, the middle part 53 of shell fragment 5 is made of the big material of elasticity, and both ends material elasticity is small
Material be made so that middle part elastic deformation is big.
As interchangeable embodiment, shell fragment 5 can also be replaced by other elastic components, such as torsion spring or just have torsion
Change shape elastomer, only need the elastic component be used for limit swinging axle 2 rotation angle, and for coil 31 energization after, will
Swinging axle 2 resets to original state.
As deformation, the both ends of shell fragment 5 can also be fixed on swinging axle 2 and shell 1 using other modes, for example with
Spot welding mode, or fastener fixed form, such as bolt assembly or screw.
In addition, it is necessary to illustrate, the statement of the medial extremity and outboard end that are related in specification, refer to along swinging axle
Radially, it is medial extremity close to the side of swinging axle, the side away from swinging axle is outboard end.
Embodiment 2
The present embodiment provides a kind of magnetic suspension vibrating motor, itself and the area of the magnetic suspension vibrating motor provided in embodiment 1
It is not only that：The set-up mode of first magnet 33 and the second magnet 34 is different so that the two of the first magnet 33 and the second magnet 34
The position of individual polarity is different.
As shown in figure 5, the both ends of first magnet 33 or the second magnet 34 radially are respectively a pole (example in embodiment 1
Such as, it is S poles close to one end of swinging axle, one end close to shell is N poles)；As shown in figure 8, and the first magnetic in the present embodiment
The both ends of the magnet 34 of body 33 and second circumferentially be respectively a pole (for example, along the circumference of swinging axle, one end is S poles, in addition one
Hold as N poles).First magnet 33 corresponds with the second magnet 34, and the one-to-one magnet 34 of first magnet 33 and second is along axle
To the opposite polarity positioned at one end of homonymy.Such as on one end of homonymy, the end of the first magnet 33 is S poles, the second magnetic
The end of body 34 is N poles.
One end polarity close to each other of the two neighboring magnet 34 of first magnet 33 or second is identical, as shown in figure 8, being all
N poles are all S poles, and now on the first iron core a boss 42 correspond to two piece of first magnet 33 or two piece of second magnet
34, so as to increase the electromagnetic actuation force of the first magnet 33 or the second magnet 34 to boss 42 so that the amplitude of fluctuation of swinging axle is more
Greatly, conveying is more powerful.But for the technical scheme of embodiment 1, its manufacturing cost is relatively high.
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 (11)
- A kind of 1. magnetic suspension vibrating motor, it is characterised in that includingShell (1), there is installation inner chamber；Swinging axle (2), it is arranged in the installation inner chamber, its one end stretches out the shell (1) and is connected to the part being driven by it；Stator module (3), have and be set on the swinging axle (2) and be fixed on the coil (31) on the shell (1), and Two sets of magnet groups being fixed on the shell (1) internal face；Two sets of magnet groups have along the swinging axle (2) respectively Axially arranged at least one first magnet (33) and at least one second magnet (34)；First magnet (33) and described the Two magnets (34) correspond in the axial direction；Rotor mechanism, have and be separately fixed on the swinging axle (2) and positioned at the rotor part of the coil (31) both sides (4), the rotor part (4) corresponds with the magnet group；By the coil (31) and magnet group driving to drive State swinging axle (2) and do reciprocally swinging；Elastic component, it is arranged between the other end of the swinging axle (2) and the shell (1), there is required torsional deflection amount, use In the angle for limiting swinging axle (2) swing.
- 2. magnetic suspension vibrating motor according to claim 1, it is characterised in that：The elastic component is shell fragment (5), the bullet One end of piece (5) 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.
- 3. magnetic suspension vibrating motor according to claim 2, it is characterised in that：The both ends of the shell fragment (5) have first Plug division (51) and the second plug division (52), the width of the shell fragment (5) play its middle part from first plug division (51) (53) it is in be gradually reduced, and (53) increase to second plug division (52) in gradual from the center, and second plug division (52) width is more than the width of first plug division (51)；First plug division (51) and second plug division (52) are plugged in first slot (21) and second respectively In slot.
- 4. the magnetic suspension vibrating motor according to any one of claim 1-3, it is characterised in that：Any rotor part (4) include being fixed on the swinging axle (2) first increases magnet assembly (41), along the radial direction of the swinging axle (2), described first Increasing magnet assembly (41) has prominent towards the shell (1) direction and is reserved with first magnet (33) or the second magnet (34) At least one boss (42) in required gap, all boss (42) are evenly distributed on the periphery wall of the swinging axle (2) On.
- 5. the magnetic suspension vibrating motor according to any one of claim 1-3, it is characterised in that：First magnet (33) It is at least two with second magnet (34), all first magnets (33) and all second magnets (34) are uniform It is distributed on the peripheral outer wall face of the swinging axle (2)；The polarity phase of one end of one-to-one medial surface of first magnet (33) with second magnet (34) radially Instead；OrOne-to-one first magnet (33) is axially located in the polarity phase of one end of homonymy with second magnet (34) Instead.
- 6. magnetic suspension vibrating motor according to claim 5, it is characterised in that：Corresponding to first magnet (33) and institute When stating the opposite polarity of one end of the medial surface of the second magnet (34) radially, two neighboring first magnet (33) or second Magnet (34) one end opposite polarity close to each other.
- 7. magnetic suspension vibrating motor according to claim 5, it is characterised in that：Corresponding to one-to-one first magnetic During the opposite polarity of one end that body (33) is axially located in homonymy with second magnet (34), two neighboring first magnet (33) or the second magnet (34) it is close to each other one end polarity it is identical.
- 8. magnetic suspension vibrating motor according to claim 4, it is characterised in that：In the swinging axle (2) radially, one The end face outside of the individual boss (42) corresponds to the medial extremity of two neighboring first magnet (33) or the second magnet (34) Face；In the circumference of the swinging axle (2), the circumferential lengths of the boss (42) are less than two neighboring first magnet (33) Or the gap between the medial extremity of two the second magnets (34).
- 9. magnetic suspension vibrating motor according to claim 4, it is characterised in that：The rotor mechanism also includes being socketed in institute State second on swinging axle (2) and in the coil (31) inner chamber and increase magnet assembly (43)；Two first increasing magnet assemblies (41) are socketed in described second and increased on magnet assembly (43).
- 10. magnetic suspension vibrating motor according to claim 9, it is characterised in that：Also include being set in the second increasing magnetic Part (43) is outside and the fixed mount (32) that is fixed on shell (1), the coil (31) are set on the fixed mount (32), and Two first increasing magnet assemblies (41) are located at the both ends of the fixed mount (32).
- 11. the magnetic suspension vibrating motor according to any one of claim 1-3, it is characterised in that：The shell (1) includes First housing (11) and second housing (12) axially arranged along the swinging axle (2), first housing (11) and described the Two housings (12), which fasten, to be set to surround the hollow cavity with both ends open；And it is arranged on first housing (11), The first lid (13) and the second lid (14) on the both ends of two housings (12), the both ends open of the hollow cavity is closed Form the installation inner chamber；One end of the swinging axle (2) stretches out through first lid (13), and the elastic component is fixed on the swing Between axle (2) other end and second lid (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720655240.4U CN206759343U (en) | 2017-06-07 | 2017-06-07 | A kind of magnetic suspension vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720655240.4U CN206759343U (en) | 2017-06-07 | 2017-06-07 | A kind of magnetic suspension vibrating motor |
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| Publication Number | Publication Date |
|---|---|
| CN206759343U true CN206759343U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720655240.4U Active CN206759343U (en) | 2017-06-07 | 2017-06-07 | A kind of magnetic suspension vibrating motor |
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| Country | Link |
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| CN (1) | CN206759343U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039782A (en) * | 2018-01-26 | 2018-05-15 | 深圳市振桦电机有限公司 | Magnetic suspension motor |
| CN108306552A (en) * | 2018-04-23 | 2018-07-20 | 温州伏尔特电子科技有限公司 | A kind of magnetic suspension motor |
| CN109802546A (en) * | 2019-03-07 | 2019-05-24 | 王旭东 | Reciprocally swinging motor and electric toothbrush |
| CN110808675A (en) * | 2019-11-14 | 2020-02-18 | 广州市瑞宝电器有限公司 | Reciprocating rotation motor |
-
2017
- 2017-06-07 CN CN201720655240.4U patent/CN206759343U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039782A (en) * | 2018-01-26 | 2018-05-15 | 深圳市振桦电机有限公司 | Magnetic suspension motor |
| CN108039782B (en) * | 2018-01-26 | 2024-05-24 | 深圳市振桦电机有限公司 | Magnetic suspension motor |
| CN108306552A (en) * | 2018-04-23 | 2018-07-20 | 温州伏尔特电子科技有限公司 | A kind of magnetic suspension motor |
| CN108306552B (en) * | 2018-04-23 | 2024-05-31 | 温州伏尔特电子科技有限公司 | Magnetic suspension motor |
| CN109802546A (en) * | 2019-03-07 | 2019-05-24 | 王旭东 | Reciprocally swinging motor and electric toothbrush |
| CN110808675A (en) * | 2019-11-14 | 2020-02-18 | 广州市瑞宝电器有限公司 | Reciprocating rotation motor |
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