CN209150969U - Elastic element, linear vibration motor and electronic product for linear vibration motor - Google Patents
Elastic element, linear vibration motor and electronic product for linear vibration motor Download PDFInfo
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- CN209150969U CN209150969U CN201822237568.1U CN201822237568U CN209150969U CN 209150969 U CN209150969 U CN 209150969U CN 201822237568 U CN201822237568 U CN 201822237568U CN 209150969 U CN209150969 U CN 209150969U
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- vibration motor
- mover
- linear vibration
- elastic element
- elastic
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Abstract
The utility model discloses a kind of elastic elements, linear vibration motor and electronic product for linear vibration motor.The V-shaped structure of the elastic element, including two elastic arms in angle setting, the elastic arm is the straight spring of plate, and two elastic arms one end close to each other is connected by circular arc bending: the central angle of the circular arc bending is greater than 180 degree.The linear vibration motor includes above-mentioned elastic element.The electronic product includes above-mentioned linear vibration motor.The utility model, which passes through, is arranged to the major arc that central angle is greater than 180 degree for the circular arc bending for connecting two elastic arms, can significantly improve elastic element along the twisting resistance of circular arc bending axis direction.The balanced support that can be used as mover when it is applied to linear vibration motor, weakens the polarization phenomena of mover.
Description
Technical field
A kind of elasticity member the utility model relates to vibration device technical field more particularly to line for linear vibration motor
Part, linear vibration motor and electronic product.
Background technique
Micro linear vibrating motor includes the elastic element between shell, mover, stator, mover and stator.Mover is by forever
Magnet, magnetic conductive board and mass block composition；Stator is made of the coil being connected with shell.Mover passes through elastic element and outer shell phase
Even.When electric current passes through coil, the magnetic line of force that electric current septum magnet generates generates Lorentz force.Since coil is fixed on shell
On, Lorentz force is acted on mover in the form of reaction force to make mover generate vibration.
Shell is made of high permeability material, and shell includes the upper cover plate and lower plate parallel with mover.Its coil with
Shell is bonded by glue, and shell is connected with elastic slice and elastic slice with mover by welding realization.When mover be located at upper cover plate and
When the middle position of lower plate, mover is by upper cover plate and lower plate to its magnetic picture etc.；But due to the limitation of processing technology,
It is unable to ensure mover and stator is exactly in middle position between upper cover plate and lower plate, mover will in vibration processes at this time
It is difficult to keep vibration balancing, so that the polarization along upper cover plate or lower plate direction can be generated.
For this purpose, it is urgent to provide a kind of elastic element, linear vibration motor and electronic product for linear vibration motor with
It solves the above problems.
Utility model content
One of the utility model is designed to provide a kind of elastic element for linear vibration motor, linear to reduce
Polarization when mover moves in vibrating motor.
Another of the utility model is designed to provide a kind of linear vibration motor, in the course of work polarization phenomena compared with
It is weak.
The another object of the utility model is to provide a kind of electronic product, and vibrating effect is good.
For this purpose, the utility model uses following technical scheme:
For the elastic element of linear vibration motor, V-shaped structure is described including two elastic arms in angle setting
Elastic arm is the straight spring of plate, and two elastic arms one end close to each other is connected by circular arc bending: the circular arc bending
Central angle is greater than 180 degree.
Preferably, the central angle angular range of the circular arc bending is 330 degree~350 degree.
Preferably, the free end of the elastic arm is provided with interconnecting piece, the interconnecting piece phase of two elastic arms
It is mutually parallel.
Preferably, the junction of the elastic arm and the circular arc bending is provided with transition arc.
A kind of linear vibration motor, including shell are provided with mover and stator in the shell, including above-mentioned elasticity member
Part, is provided with the elastic element between the mover and the shell, and an elastic arm of the elastic component with
The mover connection, another described elastic arm and the cage connection.
Preferably, the both ends of the mover are provided with the elastic element, and the elasticity at the mover both ends
Element V-type opening is towards on the contrary.
Preferably, the mover includes mass block, and is embedded at the muti-piece magnet among mass block, wherein adjacent two
Magnetic conductive board is provided between a magnet；
The stator is made of the coil of structure annular in shape, and the mover can be arranged in the coil.
Preferably, the width of the coil be greater than the magnetic conductive board width, and the center line of the coil with it is described
The center line of magnetic conductive board is overlapped.
Preferably, between the coil and the mover, there are gaps.
A kind of electronic product, including above-mentioned linear vibration motor.
The utility model has the beneficial effects that
By the way that the circular arc bending for connecting two elastic arms is arranged to the major arc that central angle is greater than 180 degree, can significantly mention
Twisting resistance of the high resiliency element along circular arc bending axis direction.It can be used as the flat of mover when it is applied to linear vibration motor
Weighing apparatus support, weakens the polarization phenomena of mover.
Detailed description of the invention
Fig. 1 is structural schematic diagram of one of the utility model embodiment for the elastic element of linear vibration motor；
Fig. 2 is the structural schematic diagram of one of the utility model embodiment linear vibration motor；
Fig. 3 is the schematic cross-section of A-A in Fig. 2；
Fig. 4 is the structural schematic diagram of the linear vibration motor of the removal upper cover plate in the utility model embodiment.
In figure:
1, elastic element；11, elastic arm；111, interconnecting piece；12, circular arc bending；13, transition arc；131, transition outer arc；
132, transition inner arc；
2, shell；21, upper cover plate；22, lower plate；23, side plate；
3, coil；
4, mover；41, mass block；42, magnet；43, magnetic conductive board；
5, damping gasket.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
It is practical new to belong to this for those skilled in the art's every other embodiment obtained without creative efforts
The range of type protection.Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The present embodiment discloses a kind of elastic element for linear vibration motor, as shown in Figure 1.The elastic element 1 is V-shaped
Structure, including in angle setting two elastic arms 11, elastic arm 11 be the straight spring of plate, two elastic arms 11 it is close to each other one
End is connected by circular arc bending 12: the central angle of circular arc bending 12 is greater than 180 degree.By the circular arc that will connect two elastic arms 11
Bending 12 is arranged to the major arc that central angle is greater than 180 degree, can significantly improve elastic element 1 along 12 axis direction of circular arc bending
Twisting resistance.It can be used as the balanced support of mover 4 when it is applied to linear vibration motor, weaken the polarization phenomena of mover 4.
When it is implemented, the angular range makes it is preferred that the central angle angular range of circular arc bending 12 is 330 degree~350 degree
The twisting resistance for obtaining elastic element 1 is more excellent.
1 structure of elastic element is simple, and wherein elastic arm 11 and circular arc bending 12 can be integrally formed.Elastic arm 11 and circular arc
The junction of bending 12 is provided with transition arc 13, can concentrate in turn to avoid stress at elastic arm 11 and circular arc bending 12 in this way
The phenomenon that causing elastic component to be easily broken off.Specifically, and transition arc 13 includes in the transition of 1 inside of elastic element
The radius of curvature of arc 132 and the transition outer arc 131 on the outside of elastic element 1, transition inner arc 132 is greater than transition outer arc 131
Radius of curvature.
Further, the free end of elastic arm 11 is provided with interconnecting piece 111, and the interconnecting piece 111 of two elastic arms 11 is mutual
In parallel, i.e., interconnecting piece 111 uses slab construction.Since elastic arm 11 needs and the shell 2 and mover 4 in linear vibration motor
Be welded to connect, the interconnecting piece 111 of slab construction make the contact area of the other component in 1 linear vibration motor of elastic element compared with
Greatly, guarantee the stability of connection.
As in Figure 2-4, a kind of linear vibration motor, including above-mentioned elastic element 1 is also disclosed in the present embodiment.Specifically also wrap
Shell 2, the mover being set in shell 24 and stator are included, and stator is fixedly connected with shell 2；Wherein shell 2 includes upper cover
Plate 21, lower plate 22 and the side plate 23 between upper cover plate 21 and lower plate 22, set between mover 4 and the side plate 23 of shell 2
It is equipped with elastic element 1, and an elastic arm 11 of elastic component is connect with mover 4, another elastic arm 11 is connect with shell 2.By
It is stronger in the twisting resistance of above-mentioned elastic element 1, after above-mentioned elastic element 1 is welded with mover 4 and shell 2, it can weaken due to dynamic
The polarization that son 4 is not in upper cover plate 21 and 22 middle position of lower plate generates.
In this present embodiment, the both ends of mover 4 are provided with elastic element 1, and the V-type of the elastic element 1 at 4 both ends of mover
Towards on the contrary, when mover 4 is mobile towards the direction of one of elastic element 1, which is compressed and is given dynamic opening
The active force of sub 4 opposite directions, when another 1 direction of elastic element of present dynasty is mobile, elastic element 1 is also given after moving a distance
4 reaction force of mover moves it in the opposite direction, to realize the reciprocating motion of mover 4.Further, linear oscillator horse
Up to further including damping gasket 5, damping gasket 5 is set on two elastic arms 11 of elastic element 1, and is located at two elastic arms 11
The inner sidewall of free end, wherein damping gasket 5 can be made of foam.Setting can make 4 compression elastic element 1 of mover in this way
When, the damping gasket 5 on two elastic arms 11 is collided, and is avoided elastic arm 11 from directly carrying out rigid collision, is reduced elastic element 1
Spoilage.
Specifically, mover 4 includes mass block 41, and it is embedded at the muti-piece magnet 42 among mass block 41, wherein adjacent
Magnetic conductive board 43 is provided between two magnet 42；Stator is made of the coil 3 of structure annular in shape, and mover 4 can be arranged in coil 3
In；One elastic arm 11 of elastic element 1 is connect with mass block 41, another elastic arm 11 is connect with shell 2.In the present embodiment
In, the profile of mass block 41 is cuboid, and four blocks of magnet 42 are embedded among mass block 41 along the length direction of mass block 41, and
And magnetic conductive board 43 is provided between adjacent two blocks of magnet 42, mover 4 is arranged in three coils 3, and keeps three coils 3 right respectively
Answer magnetic conductive board 43 to be arranged, wherein two neighboring magnet 42 it is close one end magnetic pole it is identical, the electric current of corresponding two neighboring coil 3
It is contrary, to guarantee that the direction of Lorentz force of multiple movers 4 and the interaction generation of multiple stators is identical.It is more by being arranged
A magnet 42 and coil 3, so that the quantity of mover 4 and stator increases, so that the Lip river that mover 4 and stator interaction generate
Lun Zili increases, so that the vibration sense of linear vibration motor can be enhanced.Also, the number of turns of increase coil 3 can also be passed through
Further enhance the vibration sense of linear vibration motor.In other embodiments, adjustment magnet 42 can be set according to actual needs
The number of turns of quantity, the quantity of coil 3 and coil 3 makes the vibrating motor of limited bulk can produce stronger vibration sense.
Further, the width of coil 3 is greater than the width of magnetic conductive board 43, and in the center line of coil 3 and magnetic conductive board 43
Heart line is overlapped.Setting can make the magnetic line of force of magnet 42 more pass through coil 3 in this way, to generate biggish Lorentz
Power, so that the vibration sense of linear vibration motor enhances.Also, there are gaps between coil 3 and mover 4, can guarantee in this way
Mover 4 vibrates in friction free environment.
In addition, a kind of electronic product, including above-mentioned linear vibration motor is also disclosed in the present embodiment, electronic product can be made
Vibration sense is preferable.Wherein electronic product can be mobile phone, wrist-watch, wearable electronic etc..
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. being used for the elastic element of linear vibration motor, which is characterized in that V-shaped structure, including two bullets in angle setting
Property arm (11), the elastic arm (11) be the straight spring of plate, two elastic arms (11) one end close to each other by circular arc folding
Curved (12) connection: the central angle of the circular arc bending (12) is greater than 180 degree.
2. elastic element according to claim 1, which is characterized in that the central angle angular range of the circular arc bending (12)
It is 330 degree~350 degree.
3. elastic element according to claim 1, which is characterized in that the free end of the elastic arm (11) is provided with connection
The interconnecting piece (111) in portion (111), two elastic arms (11) is parallel to each other.
4. elastic element according to claim 1, which is characterized in that the elastic arm (11) and the circular arc bending (12)
Junction be provided with transition arc (13).
5. a kind of linear vibration motor, including shell (2), mover (4) is provided in the shell (2) and stator, feature exist
In being provided between the mover (4) and the shell (2) including elastic element described in claim 1-4 any one
The elastic element, and an elastic arm (11) of the elastic element connect with the mover (4), another described bullet
Property arm (11) is connect with the shell (2).
6. linear vibration motor according to claim 5, which is characterized in that the both ends of the mover (4) are respectively provided with
Elastic element is stated, and the elastic element V-type opening at the mover (4) both ends is towards on the contrary.
7. linear vibration motor according to claim 6, which is characterized in that the mover (4) includes mass block (41), with
And it is embedded at the intermediate muti-piece magnet (42) of mass block (41), wherein being provided with magnetic conductive board between the two neighboring magnet (42)
(43)；
The stator is made of the coil (3) of structure annular in shape, and the mover (4) can be arranged in the coil (3).
8. linear vibration motor according to claim 7, which is characterized in that the width of the coil (3) is greater than described lead
The width of magnetic sheet (43), and the center line of the coil (3) is overlapped with the center line of the magnetic conductive board (43).
9. linear vibration motor according to claim 7, which is characterized in that between the coil (3) and the mover (4)
There are gaps.
10. a kind of electronic product, which is characterized in that including linear vibration motor described in claim 5-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237568.1U CN209150969U (en) | 2018-12-28 | 2018-12-28 | Elastic element, linear vibration motor and electronic product for linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237568.1U CN209150969U (en) | 2018-12-28 | 2018-12-28 | Elastic element, linear vibration motor and electronic product for linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209150969U true CN209150969U (en) | 2019-07-23 |
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ID=67291006
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822237568.1U Active CN209150969U (en) | 2018-12-28 | 2018-12-28 | Elastic element, linear vibration motor and electronic product for linear vibration motor |
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| CN (1) | CN209150969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793920A (en) * | 2021-01-25 | 2021-05-14 | 辽宁中蓝光电科技有限公司 | Reinforced shockproof translation module |
-
2018
- 2018-12-28 CN CN201822237568.1U patent/CN209150969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793920A (en) * | 2021-01-25 | 2021-05-14 | 辽宁中蓝光电科技有限公司 | Reinforced shockproof translation module |
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