CN106169855A - Extensional vibration motor - Google Patents
Extensional vibration motor Download PDFInfo
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- CN106169855A CN106169855A CN201610702919.4A CN201610702919A CN106169855A CN 106169855 A CN106169855 A CN 106169855A CN 201610702919 A CN201610702919 A CN 201610702919A CN 106169855 A CN106169855 A CN 106169855A
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- vibrating mass
- vibration motor
- mass assembly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a kind of extensional vibration motor.Including: housing, described enclosure interior has receiving chamber；Being arranged on the vibrating mass assembly in described receiving chamber, described vibrating mass assembly includes mass and the Magnet being fixedly installed on mass, and the magnetic pole of described Magnet is along genesis analysis；Shell fragment assembly, described shell fragment assembly is arranged on the upper side and lower side of described vibrating mass assembly, and described shell fragment assembly is configured to make vibrating mass assembly be suspended from receiving chamber；Coil, described coil is arranged on the lateral location of described Magnet, and when vibrating mass assembly is in equilbrium position, described coil is just to described Magnet, and the lower edges of described Magnet is corresponding with the coil tube sectional position of described coil；External circuits, described external circuits electrically connects with described coil, and external circuits is configured to electrically connect with external equipment.
Description
Technical field
The invention belongs to technical field of electronic products, in particular it relates to a kind of extensional vibration motor.
Background technology
Along with the gradually development of electronics techniques, vibrating motor becomes conventional in the electronic product such as mobile phone, panel computer
Functional device.Existing vibrating motor generally includes vibration component and stator module, and vibration component is by mass, permanent magnetism
Body and shell fragment composition, stator module is made up of FPCB, damping, limited block and coil.In order to enable vibration component reciprocal
Vibration, needs between coil and Magnet to produce electromagnetic action, causes changes of magnetic field by the change of electric current in coil, make vibration component
Produce motion.
In existing vibrating motor, extensional vibration motor applications is more.Tradition extensional vibration motor mostly is cylindric
Profile, due to the restriction of architectural feature, it takes up room bigger.In its internal structure ideal with moving-magnetic type, but upwards shake
Time dynamic, permanent magnet often deflects away from the region of coil magnetic field effect farther out, and the Lorentz force being subject to is obviously reduced, and driving force is up and down
Position is asymmetric, causes drive efficiency low.The quickly response and the seismaesthesia that limit linear vibration motor promote.
Thus, it is necessary to the structure of extensional vibration motor is improved, improve extensional vibration motor electromagnetic actuation force big
The situation of little instability.
Summary of the invention
It is an object of the present invention to provide the new solution of a kind of vibrating motor.
According to the first aspect of the invention, it is provided that a kind of extensional vibration motor, including:
Housing, described enclosure interior has receiving chamber；
Being arranged on the vibrating mass assembly in described receiving chamber, described vibrating mass assembly includes mass and is fixedly installed on matter
Magnet on gauge block, the magnetic pole of described Magnet is along genesis analysis；
Shell fragment assembly, described shell fragment assembly is arranged on the upper side and lower side of described vibrating mass assembly, and described shell fragment assembly is joined
It is set to make vibrating mass assembly be suspended from receiving chamber；
Coil, described coil is arranged on the lateral location of described Magnet, when vibrating mass assembly is in equilbrium position, described
Coil is just to described Magnet, and the lower edges of described Magnet is corresponding with the coil tube sectional position of described coil；
External circuits, described external circuits electrically connects with described coil, and external circuits is configured to be electrically connected with external equipment
Connect.
Alternatively, the height of described coil self is more than the height of described vibrating mass assembly, and described vibrating mass assembly is upper and lower
The amplitude of vibration is less than or equal to the altitude range of coil self, and the upper and lower surface of described Magnet is coated with magnetic conductive board.
Alternatively, described vibrating mass assembly includes two pieces of masses, and described Magnet is fixedly installed between two pieces of masses,
Described extensional vibration motor includes that two coils, two coils are separately positioned on two sidewalls with vibrating mass assembly short-axis direction
On relative receiving cavity wall.
Alternatively, described vibrating mass assembly includes two blocks of Magnet, and described mass is at the short-axis direction along vibrating mass assembly
Both sides be respectively arranged with Magnet groove, two blocks of described Magnet are separately positioned in two described Magnet grooves, with described magnetic
A coil it is respectively arranged with on the receiving cavity wall that ferrum is relative.
Alternatively, the central area of described mass have Magnet groove and up/down perforation hollow out gap, described magnetic
Ferrum is arranged in described Magnet groove, and described coil is fixed on end face or the bottom surface in described receiving chamber, and described coil passes institute
Stating hollow out gap, coil is relative with the position of described Magnet.
Alternatively, described vibrating mass assembly includes two blocks of Magnet, has two Magnet grooves, two pieces of institutes in described mass
Stating Magnet to be separately positioned in described Magnet groove, described hollow out gap is between two described Magnet grooves.
Alternatively, described vibrating mass assembly is overall in rectangular structure.
Alternatively, the pole orientation of two blocks of described Magnet is identical, then the direction of winding of two described coils is contrary；
Or, the pole orientation of two blocks of described Magnet is contrary, then the direction of winding of two described coils is identical.
Alternatively, described external circuits includes that circuit board, described circuit board have on the inwall extending to described receiving chamber
Coil connecting portion and for the external connection portion extending in housing outer surface, described coil electrically connects with coil connecting portion.
Alternatively, described external circuits includes that coil brace and circuit board, described circuit board are arranged on described receiving chamber
On bottom surface, described circuit board having the external connection portion for electrically connecting with external equipment, described support is arranged on described circuit board
On, described coil is arranged on described coil brace, and described coil is logical to be electrically connected by coil brace with circuit board.
It was found by the inventors of the present invention that in the prior art, existing extensional vibration motor cannot meet undersized wanting
Ask, and magnetic circuit system existing defects, vibration component easily deflects away from the region of electromagnetic action, and the electromagnetic action being subject to is unstable, makes
Become vibration performance the best.And the present inventor is it has furthermore been found that relative to lateral vibrating motor, extensional vibration motor is at hands
The electronic equipments such as machine actually can reach preferably vibrate body-sensing effect and remind effect.The longitudinal direction that the present invention provides is shaken
Dynamic motor has the vibration performance of stable equilibrium, decreases the defect of magnetic circuit system.And the miniaturization, narrower of being applied to preferably
Vibrating motor product.Therefore, the present invention is to be realized technical assignment or to be solved technical problem is that art technology
That personnel never expect or it is not expected that, therefore the present invention is a kind of new technical scheme.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the further feature of the present invention and
Advantage will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiments of the invention, and even
With its explanation together for explaining the principle of the present invention.
Fig. 1 is the explosive view of the extensional vibration motor that one embodiment of the present invention provides；
Fig. 2 is the side sectional view of the extensional vibration motor shown in Fig. 1；
Fig. 3 is mass and the Magnet of the extensional vibration motor shown in Fig. 1；
Fig. 4 is the top view that partial shell removed by the extensional vibration motor that another embodiment of the present invention provides；
Fig. 5 is the explosive view of the extensional vibration motor that another embodiment of the present invention provides；
Fig. 6 is mass and the Magnet of the extensional vibration motor shown in Fig. 5；
Fig. 7 is the side sectional view of the extensional vibration motor shown in Fig. 5；
Fig. 8 is a kind of Magnet combination schematic diagram with coil of the extensional vibration motor shown in Fig. 4；
Fig. 9 is the another kind of Magnet combination schematic diagram with coil of the extensional vibration motor shown in Fig. 4.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that unless additionally have
Body illustrates, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to this
The scope of invention.
Description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And any restriction applied or use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of when, described technology, method and apparatus should be considered a part for description.
It is shown here that any occurrence should be construed as merely exemplary with in all examples discussed, and not
It is as restriction.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
The invention provides a kind of extensional vibration motor, the structure of Magnet and coil is changed by this extensional vibration motor
Enter, improve the vibration performance of extensional vibration motor, enable vibrating mass assembly to receive the electromagnetic action of equilibrium when vibration.
As it is shown in figure 1, described extensional vibration motor includes housing 1, vibrating mass assembly, shell fragment assembly 3, coil 4 and outer
Connection circuit, described housing 1 is internal has receiving chamber, and described receiving chamber is for accommodating all parts of vibrating motor.Described vibration
Block assembly is arranged in described receiving chamber, and vibrating mass assembly includes mass 21 and the Magnet 22 being fixed on mass 21, institute
Stating the mass 21 main counterweight as vibrating mass assembly, the Magnet 22 of described mass 21 for coordinating generation electricity with coil 4
Magnetic force, drives vibrating mass assembly extensional vibration.Especially, the magnetic pole of described Magnet 22 is along genesis analysis, the i.e. N of Magnet 22
Pole or S pole are up or down.
Described shell fragment assembly 3 is configured to be suspended from described receiving chamber described vibrating mass assembly, upper and lower at vibrating mass assembly
During vibration, shell fragment assembly 3 is for providing linear guide effect and being returned to the active force of equilbrium position.Described shell fragment assembly 3 can
To include two or more shell fragment, shell fragment is separately positioned on the upper side and lower side of vibrating mass assembly, so that vibrating mass assembly is suspended from
Accommodating in chamber, shell fragment assembly 3 provides support smoothly.
In the vibrating motor that the present invention provides, described vibrating mass assembly mainly structure in noncircular cross section, such as may be used
To be the structure such as cuboid-type, fillet cuboid-type, so vibrating mass assembly has the differentiation of long axis direction and short-axis direction.Institute
Stating the direction that long axis direction is the length along vibrating mass assembly, described short-axis direction is then the width along vibrating mass assembly
Direction.Shown in phantom above-mentioned long axis direction and the short-axis direction that in Fig. 1, two length on mass 21 are different.
Described coil 4 is arranged on the lateral location of described Magnet 22, in the embodiment shown in Fig. 1, extensional vibration horse
Reaching and include two coils 4, two coils 4 are separately positioned on the vibrating mass assembly both sides along short-axis direction, coil 4 and Magnet 22
Position corresponding.When vibrating mass assembly is in equilbrium position, as in figure 2 it is shown, coil 4 is just to described Magnet 22, Magnet 22
The position height of lower edges corresponding with the position of coil 4 coiling.Coil is overall in coil cylindrical structure, Magnet upper and lower
Edge is corresponding with the position at the cross section place of coil tube.So, the magnetic line of force can be more accurately by the district at coil 4 place
Territory, increases the magnetic flux of coil 4, accordingly, the Lorentz force produced when improving magnetic flux change.
It should be noted that in the embodiment of figure 1, coil 4 is arranged on the both sides along short-axis direction vibrating mass assembly,
Coil 4 self is parallel to long axis direction.And in other embodiments, such as in the middle of vibrating mass assembly, there is gap, or magnetic
Ferrum 22 is when vibrating mass assembly is distributed along long axis direction, and described coil self can also be parallel to short-axis direction, and the present invention is the most right
This limits.Under normal circumstances, as long as ensureing that coil is vertically distributed, and side is just to Magnet.
In the extensional vibration motor that the present invention provides, by coil and Magnet relative to the configuration of position so that Magnet
The magnetic field produced can produce, preferably through the position at coil place, the electromagnetic force that intensity is higher and stable.The opposing party
Face, owing to being configured with the shell fragment assembly being positioned at vibrating mass assembly the upper side and lower side so that vibrating mass assembly can be suspended from receiving chamber
In, it being difficult to wiping during up-down vibration and meet other parts, the design of this structure enables coil just to the balance with vibrating mass assembly
Position so that it is the electromagnetic force of symmetry, balance can be received during up and down motion.The extensional vibration motor that the present invention provides solves
The problem that vibration is uneven, electromagnetic force is unstable.
Described external circuits is connected for realizing point with external electronic device, and described coil is electrically connected with described external circuits
Connect.
Preferably, in order to make vibrating mass assembly have more magnetic field in vibration processes by coil 4, such as Fig. 2 further
Shown in, the height of described coil 4 self can be more than the height of described vibrating mass assembly self.And vibrating mass assembly up-down vibration
Amplitude then less than or equal to the altitude range of coil 4 self, the amplitude of vibrating mass assembly can be by the structure of shell fragment assembly 3
Limit.So, in the altitude range being in coil 4 all the time of vibrating mass assembly, the magnetic field concentrated through magnetic conductive board 23 can
More through coil 4.
Can be coated with magnetic conductive board 23 in the upper and lower surface of described Magnet 22, described magnetic conductive board 23 will be for conducting from N pole
The magnetic line of force to S pole is concentrated, is deflected to predetermined region, to obtain the distribution of optimal magnetic force, promotes to greatest extent and passes through
The magnetic induction line density of coil 4, improves electromagnetic force.Comprehensive features above, the magnetic line of force can more accurately, concentrate pass through coil
The region at 4 places, increases the magnetic flux density of coil 4, accordingly, the Lorentz force produced when improving magnetic flux change.The present invention
Being not limiting as to arrange on Magnet magnetic conductive board, in some embodiments, arranging magnetic conductive board on Magnet can increase magnetic
Field intensity, brings the lifting of electromagnetic force.In other cases, it is also possible to be not provided with magnetic conductive board.
The version of described coil, Magnet and mass have many in selectable embodiment, the present invention is the most right
This limits.Following connection with figures provides several optional embodiment.
Embodiment as shown in Figure 1,3, described vibrating mass assembly can include that two pieces of masses 21, described Magnet 22 set
Put between two pieces of described masses 21.Two pieces of masses 21 are positioned at the two ends of vibrating mass assembly long axis direction, mass 21
In centre position.Described extensional vibration motor includes that two coils 4, two coils 4 are separately positioned on axle short with vibrating mass assembly
On the receiving cavity wall that two sidewalls in direction are relative.In this embodiment, the simple in construction of vibrating mass assembly, it is possible to letter
Change assembly technology.
Embodiment as shown in Figure 4, described vibrating mass assembly includes two blocks of Magnet 22, the vertical view knot of described mass 21
Structure is dumbbell shaped, and mass 21 has two for the Magnet groove 211 accommodating Magnet 22 in the both sides of zone line.Above institute
The both sides of the mass 21 stated refer to the both sides of the short-axis direction along vibrating mass assembly.Two blocks of described Magnet 22 are arranged on described two
In individual described Magnet groove 211, correspondingly, described coil 4 is then arranged on two sidewall phases with vibrating mass assembly short-axis direction
To receiving cavity wall on, coil 4 is the most right with the position of described Magnet 22.The extensional vibration motor entirety width of this embodiment
Spend relatively wide, it is adaptable to allow vibrating motor to have in higher volume of electronic product, can be by increasing mass two ends
The volume at place promotes the seismaesthesia that extensional vibration motor is overall.
Embodiment as illustrated in figs. 5-7, the central area of described mass 21 can have openwork part, mass 21
Plan structure be hollow structure.This central area can have the hollow out gap 212 of Magnet groove 211 and up/down perforation.
Described Magnet 22 can be fixedly installed in described Magnet groove 211.Especially, described coil 4 is fixedly installed on described receiving
On the end face in chamber or bottom surface, coil 4 extends along the longitudinal direction of vibrating mass assembly.When described vibrating mass assembly is arranged in receiving chamber
Time middle, described coil 4 passes from the hollow out gap 212 of described mass 21, and coil 4 is overall and is positioned in Magnet groove 211
Magnet 22 position corresponding.In this embodiment, coil and Magnet 22 are all located in the space that mass 21 occupies, it is possible to
Relatively save space, reduce the volume of extensional vibration motor.On the other hand, such as the volume without reducing vibrating motor, the most permissible
Increase the volume of mass 21, promote seismaesthesia.
As illustrated in figs. 5-7, it is preferable that the electromagnetic force being subject to for balance vibration block assembly entirety, on the other hand it is
Improving the size of electromagnetic force, described vibrating mass assembly can include two blocks of Magnet 22, two magnetic in described mass 21
Ferrum groove 211, described hollow out gap 212 is between two described Magnet grooves 211, and two described Magnet 22 are separately positioned on
In two Magnet grooves 211.So, when coil 4 is through described hollow out gap 212, the both sides of coil 4 are respectively arranged with one block of Magnet
22, it is possible to effectively increase magnetic flux, and the electromagnetic force that vibrating mass assembly entirety is received on short-axis direction is balance
's.
Preferably, in order to save space, increase vertical linear motor application feasibility in electronic product, described vibration
Block assembly is overall in rectangular structure or class rectangular structure.Relatively with existing rounded longitudinal vibrating motor, cuboid-type shakes
Space can effectively be saved by dynamic motor, and the extensional vibration motor that the present invention provides is due to shell fragment assembly and Magnet and the knot of coil
Structure designs, it is possible to be applicable to the vibrating mass assembly of cuboid-type structure.
In above-mentioned various embodiments, the upper and lower surface of described Magnet can be provided with magnetic conductive board, to meet the present invention
Wish the magnetic line of force regulating effect reached, make the magnetic line of force more pass through coil.If being provided with multiple Magnet, then can be corresponding
The multiple magnetic conductive board of configuration, or use the bigger magnetic conductive board of area together to be covered by multiple Magnet.Common, in order to avoid magnetic
Short circuit, can use one piece of bigger magnetic conductive board to cover polylith Magnet in embodiment as shown in Figure 8.
Especially, for the embodiment shown in Fig. 4, this kind of embodiment is provided with two Magnet 22 and two coils
4, consistent in order to ensure the electromagnetic force that two Magnet 22 receive, drive the up-down vibration that vibrating mass is stable, the present invention provides
Pole orientation and the different embodiments of coil 4 direction of winding.As shown in Figure 8, if the pole orientation one of two Magnet 22
Causing, upwards or S is extremely downward to be N pole, then the direction of winding of two described coils 4 is contrary, to ensure the electromagnetic force produced
Unanimously.If as it is shown in figure 9, the pole orientation of two Magnet 22 is contrary, the N pole of one upwards and another N is extremely downward, then two
The direction of winding of individual described coil 4 is identical, to ensure that electromagnetic force is consistent.
For the external circuits in vibrating motor, for different embodiments, there is also different version.At figure
In embodiment shown in 1-4, described coil 4 is arranged at accommodating in the sidewall locations in chamber, and described external circuits can include
Circuit board 5, described circuit board 5 has the coil connecting portion 51 on the inwall extending to described receiving chamber, and described coil 4 is fixed on
On described coil connecting portion 51, formed with coil connecting portion 51 and electrically connect.Described circuit board 5 also has an external connection portion 52, described outside
Connect portion 52 for extend to housing 1 outer surface so that external equipment electrical connection, described external connection portion 52 is connected with described coil
Portion 51 electrically connects.
In the embodiment shown in Fig. 5-7, described external circuits can include coil brace and circuit board 5.Described electricity
Road plate 5 is arranged on the bottom surface in described receiving chamber, and it has the external connection portion 52 for electrically connecting with external equipment.Described coil
Support is then arranged on described circuit board 5, and described coil brace can be holded up, and coil 4 is then arranged on described coil brace.By
Needing to penetrate at the hollow out gap 212 of mass 21 in coil 4, described coil brace is for providing support for coil 4 and leading
Logical effect.Electrically connect by between coil 4 between described coil 4 and circuit board 5.
Although by example, some specific embodiments of the present invention have been described in detail, but the skill of this area
Art personnel are it should be understood that example above is merely to illustrate rather than in order to limit the scope of the present invention.The skill of this area
Art personnel are it should be understood that can modify to above example without departing from the scope and spirit of the present invention.This
Bright scope is defined by the following claims.
Claims (10)
1. an extensional vibration motor, it is characterised in that including:
Housing (1), described housing (1) is internal has receiving chamber；
Being arranged on the vibrating mass assembly in described receiving chamber, described vibrating mass assembly includes mass (21) and is fixedly installed on matter
Magnet (22) on gauge block (21), the magnetic pole of described Magnet (22) is along genesis analysis；
Shell fragment assembly (3), described shell fragment assembly (3) is arranged on the upper side and lower side of described vibrating mass assembly, described shell fragment assembly
(3) it is configured to make vibrating mass assembly be suspended from receiving chamber；
Coil (4), described coil (4) is arranged on the lateral location of described Magnet (22), when vibrating mass assembly is in equilbrium position
Time, described coil (4) is just to described Magnet (22), and the lower edges of described Magnet (22) cuts with the coil tube of described coil (4)
Position, face is corresponding；
External circuits, described external circuits electrically connects with described coil (4), and external circuits is configured to be electrically connected with external equipment
Connect.
Extensional vibration motor the most according to claim 1, it is characterised in that the height of described coil (4) self is more than institute
Stating the height of vibrating mass assembly, the amplitude of described vibrating mass assembly up-down vibration is less than or equal to the height model of coil (4) self
Enclosing, the upper and lower surface of described Magnet (22) is coated with magnetic conductive board (23).
Extensional vibration motor the most according to claim 1, it is characterised in that described vibrating mass assembly includes two pieces of masses
(21), described Magnet (22) is fixedly installed between two pieces of masses (21), and described extensional vibration motor includes two coils
(4), two coils (4) are separately positioned on the receiving cavity wall relative with two sidewalls of vibrating mass assembly short-axis direction.
Extensional vibration motor the most according to claim 1, it is characterised in that described vibrating mass assembly includes two blocks of Magnet
(22), described mass (21) is respectively arranged with Magnet groove (211) in the both sides of the short-axis direction along vibrating mass assembly, two pieces
Described Magnet (22) is separately positioned in two described Magnet grooves (211), at the receiving intracavity relative with described Magnet (22)
A coil (4) it is respectively arranged with on wall.
Extensional vibration motor the most according to claim 1, it is characterised in that the central area of described mass (21) has
The hollow out gap (212) of Magnet groove (211) and up/down perforation, described Magnet (22) is arranged in described Magnet groove (211),
Described coil (4) is fixed on end face or the bottom surface in described receiving chamber, and described coil (4) passes described hollow out gap (212), line
Circle (4) is relative with the position of described Magnet (22).
Extensional vibration motor the most according to claim 5, it is characterised in that described vibrating mass assembly includes two blocks of Magnet
(22), having two Magnet grooves (211) in described mass (21), two pieces of described Magnet (22) are separately positioned on described Magnet
In groove (211), described hollow out gap (212) is positioned between two described Magnet grooves (211).
7. according to claim 3-6 one of arbitrarily described extensional vibration motor, it is characterised in that described vibrating mass assembly is overall
In rectangular structure.
Extensional vibration motor the most according to claim 4, it is characterised in that the pole orientation phase of two pieces of described Magnet (22)
With, then the direction of winding of two described coils (4) is contrary；
Or, the pole orientation of two pieces of described Magnet (22) is contrary, then the direction of winding of two described coils (4) is identical.
9. according to the extensional vibration motor described in claim 3 or 4, it is characterised in that described external circuits includes circuit board
(5), described circuit board (5) has the coil connecting portion (51) on the inwall extending to described receiving chamber and is used for extending to housing
(1) external connection portion on outer surface (52), described coil (4) electrically connects with coil connecting portion (51).
10. according to the extensional vibration motor described in claim 5 or 6, it is characterised in that described external circuits includes coil brace
With circuit board (5), described circuit board (5) is arranged on the bottom surface in described receiving chamber, described circuit board (5) has for outward
The external connection portion (52) of portion's equipment electrical connection, described coil brace is arranged on described circuit board (5), and described coil (4) is arranged on
On described coil brace, described coil (4) is electrically connected by coil brace with circuit board (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610702919.4A CN106169855B (en) | 2016-08-22 | 2016-08-22 | Extensional vibration motor |
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| CN201610702919.4A CN106169855B (en) | 2016-08-22 | 2016-08-22 | Extensional vibration motor |
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| CN106169855B CN106169855B (en) | 2019-04-26 |
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| CN106849593A (en) * | 2017-03-02 | 2017-06-13 | 歌尔股份有限公司 | It is drive linear vibration motor and electronic equipment more |
| CN106877618A (en) * | 2017-03-28 | 2017-06-20 | 歌尔股份有限公司 | Linear vibration motor and electronic equipment |
| CN107147267A (en) * | 2017-05-18 | 2017-09-08 | 歌尔股份有限公司 | Linear vibration motor |
| WO2018157515A1 (en) * | 2017-03-02 | 2018-09-07 | 歌尔股份有限公司 | Housing used for linear vibration motor and linear vibration motor |
| WO2018166090A1 (en) * | 2017-03-13 | 2018-09-20 | 歌尔股份有限公司 | Linear vibration motor |
| CN110556998A (en) * | 2019-09-11 | 2019-12-10 | 浙江省东阳市东磁诚基电子有限公司 | Square Z-axis linear vibration motor and implementation method thereof |
| WO2021109558A1 (en) * | 2019-12-02 | 2021-06-10 | 歌尔股份有限公司 | Vibration exciter for electronic product, and electronic product |
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