CN105846638A - Linear vibration motor - Google Patents
Linear vibration motor Download PDFInfo
- Publication number
- CN105846638A CN105846638A CN201610356976.1A CN201610356976A CN105846638A CN 105846638 A CN105846638 A CN 105846638A CN 201610356976 A CN201610356976 A CN 201610356976A CN 105846638 A CN105846638 A CN 105846638A
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- China
- Prior art keywords
- connecting portion
- mass
- motor shell
- elastic
- motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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)
Abstract
The invention relates to the technical field of an electronic product, and provides a linear vibration motor. The linear vibration motor comprises a motor shell and a vibration block suspended in the motor shell. An elastic support element for supporting the vibration block and providing elastic restoring force for the vibration block is also arranged in the motor shell. The vibration block comprises a mass block and a magnet. The shapes of the motor shell and the mass block are cuboids or cubes. One end of the elastic support element is connected with the mass block. The other end is connected with the motor shell. The elastic support element is a rectangular three-dimensional spiral elastic sheet. Compared with a circular elastic sheet, the three-dimensional spiral elastic sheet used in the cuboid or cube motor shell has the advantages that the four corner spaces in the motor shell can be utilized fully, the elastic arm is longer, the stress is lower, the vibration sense is improved, and the user experience is improved.
Description
Technical field
The invention belongs to technical field of electronic products, particularly relate to a kind of linear vibration motor.
Background technology
Portable consumer electronics product develops rapidly, and consumer increasingly favors more lightening and has more preferably
The electronic product of tactile experience.Motor is typically used as the executing agency of tactile experience, plays system vibration feedback
Effect.The most lightening developing direction of electronic product determines elastic supporting member for supporting optical member also must be to gauge flat
Change direction to improve.The linear vibration motor used in electronic product generally comprises the magnetic being contained in housing and shakes
Son and elastic supporting member for supporting optical member.This elastic supporting member for supporting optical member typically uses spring or elastic piece structure part, and it is mainly used in magnetic
Property oscillator be suspended in housing, and provide restoring force and for this magnetic oscillator provide positioning and guiding.
At present, the electronic product such as mobile phone when assembling linear vibration motor, motor case is generally pylindrical
Structure, enclosure generally uses circular shell fragment, and it is internal empty that cylindrical motor shell easily wastes electronic product
Between, during it addition, circular shell fragment is the motor of cuboid or cube structure for shell, then can cause inside
Space waste is serious, is unfavorable for improving motor vibrations vibration sense, thus affects the experience of user.
Summary of the invention
It is an object of the invention to provide and a kind of can effectively utilize shell for cuboid or the line of cube structure
Property vibrating motor inner space, improve vibration vibration sense, strengthen the elastic supporting member for supporting optical member of Consumer's Experience and linear oscillator
Motor.
The present invention is achieved in that a kind of linear vibration motor, including motor shell be suspended in described horse
Reach the vibrating mass of enclosure interior, also include inside described motor shell for supporting described vibrating mass and carrying for it
Elastic supporting member for supporting optical member for elastic-restoring force, it is characterised in that described vibrating mass includes mass and magnet, institute
The profile stating motor shell and described mass is cuboid or square, described elastic supporting member for supporting optical member one end and institute
Stating mass to connect, the other end is connected with described motor shell, and described elastic supporting member for supporting optical member is put down with described mass
OK, described elastic supporting member for supporting optical member and the direction of described masses parallel are the most vertical with the direction of vibration of described vibrating mass
Directly；Described elastic supporting member for supporting optical member is three-dimensional spiral spring plate, and described three-dimensional spiral spring plate is along described vibrating mass vibration side
To be projected as rectangle.
As a kind of improved plan, include the first connecting portion and elastic arm according to described three-dimensional spiral spring plate；
One end of described elastic arm is connected with described first connecting portion, and the other end is elongated end, described elongated end
Extending around the periphery of described first connecting portion and form rectangular configuration, described elastic arm shakes along described vibrating mass
Dynamic direction has difference in height；
It is connected with described motor shell in described first connecting portion and described elongated end one, at another and institute
State mass to connect.
As a kind of improved plan, described three-dimensional spiral spring plate also includes the second connecting portion, and described second even
The portion of connecing is frame structure, and described elastic arm elongated end is connected with described second connecting portion, described first connecting portion
It is positioned at inside described second connecting portion along the projection of described vibrating mass direction of vibration with described elastic arm；
It is connected with described motor shell, at another in described first connecting portion and described second connecting portion one
It is connected with described mass.
As a kind of improved plan, described three-dimensional spiral spring plate is formed in one.
As a kind of improved plan, described three-dimensional spiral spring plate includes at least one elastic arm, described elasticity
The elongated end of arm is provided with the described motor shell of connection or the those widened sections of mass.
As a kind of improved plan, described three-dimensional spiral spring plate includes 4 elastic arms, 4 elastic arms with
Symmetrical structure centered by the position that described first connecting portion is connected, the elongated end of every described elastic arm is formed
One limit of rectangular configuration.
As a kind of improved plan, described motor shell includes upper casing and lower casing, described upper casing and described under
Shell fastens to be formed and accommodates described vibrating mass, the space of three-dimensional spiral spring plate, and described vibrating mass is along direction of vibration institute
To described upper casing and lower casing be square.
As a kind of improved plan, in the magnet installing hole of described mass, it is fixedly connected with frame, described
Being provided with described magnet in frame, described magnet is set with in coil, and described coil is fixedly connected on wiring board
On；
The profile of described magnet and coil is cuboid, square or cylinder.
As a kind of improved plan, the first connecting portion of described three-dimensional spiral spring plate is provided with centre bore, described
Mounting coil is in described centre bore.
As a kind of improved plan, the external circuits region of described wiring board is pad or spring wiring
Post.
Owing to linear vibration motor includes motor shell and is suspended in the vibrating mass within motor shell, motor shell
Internal portion also includes for supporting vibrating mass and providing the elastic supporting member for supporting optical member of elastic-restoring force, vibrating mass bag for it
The profile including mass and magnet, motor shell and mass is cuboid or square, elastic supporting member for supporting optical member one
End is connected with mass, and the other end is connected with motor shell.Three-dimensional spiral spring plate includes the first connecting portion and bullet
Property arm, one end of elastic arm is connected with the first connecting portion, and the other end is elongated end, and elongated end is around first even
The periphery meeting portion extends formation rectangular configuration, and elastic arm has difference in height along the direction of vibration of vibrating mass.
Compared with circular shell fragment, use in cuboid or square motor shell and be projected as on direction of vibration
The three-dimensional spiral spring plate of rectangle can make full use of the space, corner within motor shell, and elastic arm is longer, stress
Less, improve vibration vibration sense, strengthen Consumer's Experience.
Further, the elongated end of elastic arm does not have peripheral frame and can more effectively utilize motor shell
Inner space, it is wider that elastic arm can do so that shell fragment subjected to stress in vibration processes is less, produces
Product have more preferable stability of vibration.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the linear vibration motor that the present invention provides；
Fig. 2 is the generalized section of the linear vibration motor that the present invention provides；
Fig. 3 is the linear vibration motor shell schematic diagram that the present invention provides；
Fig. 4 is the linear vibration motor elastic supporting member for supporting optical member structural representation that the present invention provides.
Wherein, 1-vibrating mass, 2-mass, 3-magnet, 4-elastic supporting member for supporting optical member, 41-the first connecting portion, 42-
Elastic arm, 421-elongated end, 5-upper casing, 6-lower casing, 7-frame, 8-coil, 9-wiring board, 10-center
Hole, 11-spring washer, 12-spring binding post.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Fig. 1 shows the exploded perspective view of the linear vibration motor that the present invention provides, for convenience of description, figure
In only give part related to the present invention.
In conjunction with shown in Fig. 1 to Fig. 4, linear vibration motor includes motor shell and is suspended in inside motor shell
Vibrating mass 1, also include inside motor shell for supporting vibrating mass 1 and providing elastic-restoring force for it
Elastic supporting member for supporting optical member 4, vibrating mass 1 includes mass 2 and magnet 3, and the profile of motor shell and mass 2 is
Cuboid or square, elastic supporting member for supporting optical member 4 one end is connected with mass 2, and the other end is connected with motor shell,
Elastic supporting member for supporting optical member 4 is parallel with mass 2, direction that elastic supporting member for supporting optical member 4 is parallel with mass 2 and vibrating mass
The direction of vibration of 1 is mutually perpendicular to, i.e. elastic supporting member for supporting optical member is the most parallel with mass, vibrating mass edge
Vertical direction vibrates.Elastic supporting member for supporting optical member 4 is three-dimensional spiral spring plate, and three-dimensional spiral spring plate vibrates at vibrating mass 1
On direction, the exterior contour of projection is rectangle.
As shown in Figure 4, the three-dimensional spiral spring plate as elastic supporting member for supporting optical member 4 includes the first connecting portion 41 and elasticity
Arm 42, the first connecting portion 41 can be the platy structure of rectangle or circle, one end of elastic arm 42 and first
Connecting portion 41 connects, and the other end is elongated end 421, and elongated end 421 is around the periphery of the first connecting portion 41
Extending and form rectangular configuration, elastic arm 42 has difference in height along the direction of vibration of vibrating mass 1, it is preferred that prolong
Stretch end 421 and extend formation square structure around the periphery of the first connecting portion 41.First connecting portion 41 and prolonging
Stretch and be connected with motor shell in end 421 one, be connected with mass 3 at another.
In the present embodiment, the first connecting portion 41 is connected with mass 2, and elongated end 421 is connected with shell, certainly
May be reversed setting.In the present embodiment, the first connecting portion 41 is additionally provided with centre bore 10, and coil 8 is sleeved on
In centre bore 10, i.e. coil 8 is fixed on wiring board 9 after this centre bore 10, and coil 8 is with elastic
Support member 4 does not has any connection and contacts.In the present embodiment, elastic supporting member for supporting optical member 4 is arranged on mass 2
And be fixed with between the housing of coil 8, it is of course also possible to it is arranged on mass 2 and 8 sides that deviate from coil
Housing between, this is not limited by the present invention.
In this patent, the rectangle of indication not only includes the rectangle being made up of straight line, also includes using camber line to connect two
Bar right-angle side, replace by arc angle the rectangle at right angle, and the rectangle being made up of a plurality of camber line, and camber line with
The rectangle of the combined composition of straight line；In this patent, square and the cuboid of indication include constituting square or length
The intersection, orthogonal two faces of cube uses the structure of arc transition.
The motor shell of this kind of contour structures is capable of the effective utilization to electronic product inner space, simultaneously
Motor inner space can be increased, thus increase the weight of mass in vibrating mass, improve vibration vibration sense, increase
Strong Consumer's Experience.
Compared with circular shell fragment, cuboid or square motor shell use projection on direction of vibration
Exterior contour is that the three-dimensional spiral spring plate of rectangle can make full use of the space, corner within motor shell, elastic arm
Longer, stress is less, improves vibration vibration sense, strengthens Consumer's Experience.
The elongated end of elastic arm does not have peripheral frame can more effectively utilize the inner space of motor shell,
It is wider that elastic arm can do so that shell fragment subjected to stress in vibration processes is less, and product has more preferably
Stability of vibration.
In another embodiment, the three-dimensional spiral spring plate as elastic supporting member for supporting optical member 4 also includes the second connecting portion,
Second connecting portion is rectangular frame structure, and the elongated end 421 of elastic arm 42 is connected with the second connecting portion, first
Connecting portion 41 and elastic arm 42 are positioned at the inner side of the second connecting portion along the projection of vibrating mass 1 direction of vibration, i.e.
Second connecting portion constitutes the peripheral frame of elastic supporting member for supporting optical member 2.In first connecting portion 41 and the second connecting portion one
Place is connected with motor shell, is connected with mass 2 at another.
Having the three-dimensional spiral spring plate of peripheral frame, elastic force is transmitted evenly, it is possible to improve vibration sense further
Experience.
The three-dimensional spiral spring plate of the present invention includes at least one elastic arm 42, can be even number bar, it is also possible to be
Odd number bar.The elongated end 421 of elastic arm 42 is provided with connection motor shell or the those widened sections of mass.This enforcement
In example, three-dimensional spiral spring plate includes that 42,4 elastic arms 42 of 4 elastic arms are connected with the first connecting portion 41
Symmetrical structure centered by the position connect, the elongated end 421 of every elastic arm 42 is clockwise or counterclockwise
Extend in the same direction, each limit forming rectangular configuration.
Three-dimensional spiral spring plate in the present invention is formed in one, the most also can be by each composition of three-dimensional spiral spring plate
Part is individually made, and assembles by the way of welding the most again.
In the present embodiment, motor shell includes that upper casing 5 and lower casing 6, upper casing 5 and lower casing 6 are along vibrating mass 1
The projection of direction of vibration is square, i.e. upper casing 5 includes that foursquare roof, lower casing 6 include square
Diapire.At least one party in upper casing 5 and lower casing 6 also includes that sidewall, upper casing 5 and lower casing 6 fasten and is formed
Accommodate vibrating mass 1, the space of elastic supporting member for supporting optical member 4.
Wherein, for the mounting means of mass 2 with magnet 3, following manner can be used:
As shown in Figure 1 and Figure 2, the center of mass 2 is provided with magnet installing hole, in magnet installing hole
Being fixedly connected with frame 7, the shape of magnet installing hole is suitable with the profile of frame 7, installs in frame 7
Having magnet 3, magnet 3 to be sleeved in coil 8, coil 8 is fixedly connected on wiring board 9, frame 7
Opening is towards coil 8, and magnet 3 can be bonded in frame 7, and coil 8 may extend to this frame 7 and magnetic
In gap between iron 3, frame 7, magnet 3 and coil 8 are along outside the projection of vibrating mass 1 direction of vibration
Contouring is circular or rectangle.The i.e. profile of frame, magnet and coil is cuboid, square or cylinder
Body structure.Preferably, in the present embodiment, frame 7, magnet 3 and coil 8 are along vibrating mass 1 direction of vibration
Be projected as circle, i.e. the profile of frame, magnet and coil is cylinder, and three constitutes circular magnetic circuit system.
This patent does not limit the three-dimensional shape of frame, magnet and coil and along vibrating mass 1 direction of vibration
The shape of projection must be consistent, as long as the magnetic gap met between frame and magnet can accommodate coil, magnet
Can move in coil.Such as, the projection of frame can be rectangle, and the projection of magnet and coil is equal
For circle.
In the present invention, elastic supporting member for supporting optical member 4 is provided with spring washer 11 in the region of the orthographic projection of lower casing 6, this spring washer
The effect of 11 is the effect that elastic supporting member for supporting optical member plays in vibration processes buffer limit.
In the present invention, the external circuits region of wiring board 9 is pad or spring binding post 12, wherein
The mode of the spring binding post 12 shown in Fig. 1 and Fig. 2, does not repeats them here, but not in order to limit this
Invention.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. a linear vibration motor, including motor shell and be suspended in the vibrating mass within described motor shell,
Also include inside described motor shell for supporting described vibrating mass and propping up for its elasticity providing elastic-restoring force
Support member, it is characterised in that described vibrating mass includes mass and magnet, described motor shell and described quality
The profile of block is cuboid or square, and described elastic supporting member for supporting optical member one end is connected with described mass, the other end
Be connected with described motor shell, described elastic supporting member for supporting optical member and described masses parallel, described elastic supporting member for supporting optical member with
The direction of described masses parallel is mutually perpendicular to the direction of vibration of described vibrating mass；Described elastic supporting member for supporting optical member is
Three-dimensional spiral spring plate, described three-dimensional spiral spring plate is projected as rectangle along described vibrating mass direction of vibration.
Linear vibration motor the most according to claim 1, it is characterised in that described three-dimensional spiral spring plate
Including the first connecting portion and elastic arm；
One end of described elastic arm is connected with described first connecting portion, and the other end is elongated end, described elongated end
Extending around the periphery of described first connecting portion and form rectangular configuration, described elastic arm shakes along described vibrating mass
Dynamic direction has difference in height；
It is connected with described motor shell in described first connecting portion and described elongated end one, at another and institute
State mass to connect.
Linear vibration motor the most according to claim 2, it is characterised in that described three-dimensional spiral spring plate
Also include that the second connecting portion, described second connecting portion are frame structure, described elastic arm elongated end and described the
Two connecting portions connections, described first connecting portion and described elastic arm are along the projection position of described vibrating mass direction of vibration
Inside described second connecting portion；
It is connected with described motor shell, at another in described first connecting portion and described second connecting portion one
It is connected with described mass.
4. according to the linear vibration motor described in Claims 2 or 3, it is characterised in that described three-dimensional spiral
Shell fragment is formed in one.
Linear vibration motor the most according to claim 2, it is characterised in that described three-dimensional spiral spring plate
Including at least one elastic arm, the elongated end of described elastic arm is provided with and connects described motor shell or mass
Those widened sections.
Linear vibration motor the most according to claim 5, it is characterised in that described three-dimensional spiral spring plate
Including 4 described elastic arms, centered by the position that 4 described elastic arms are connected with described first connecting portion
Symmetrical structure, the elongated end of every described elastic arm forms a limit of rectangle.
Linear vibration motor the most according to claim 6, it is characterised in that described motor shell includes
Upper casing and lower casing, described upper casing and lower casing are square along the projection of described vibrating mass direction of vibration, described
Upper casing and described lower casing fasten to be formed and accommodate described vibrating mass, the space of three-dimensional spiral spring plate.
Linear vibration motor the most according to claim 7, it is characterised in that the magnet of described mass
Being fixedly connected with frame in installing hole, be provided with described magnet in described frame, described magnet is sleeved on coil
In, described coil is fixedly connected on wiring board；
The profile of described magnet and coil is cuboid, square or cylinder.
Linear vibration motor the most according to claim 8, it is characterised in that described three-dimensional spiral spring plate
The first connecting portion be provided with centre bore, described mounting coil is in described centre bore.
Linear vibration motor the most according to claim 9, it is characterised in that outside described wiring board
Connection circuit region is pad or spring binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356976.1A CN105846638A (en) | 2016-05-25 | 2016-05-25 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356976.1A CN105846638A (en) | 2016-05-25 | 2016-05-25 | Linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105846638A true CN105846638A (en) | 2016-08-10 |
Family
ID=56594521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610356976.1A Pending CN105846638A (en) | 2016-05-25 | 2016-05-25 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105846638A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019131180A1 (en) * | 2017-12-27 | 2019-07-04 | 日本電産セイミツ株式会社 | Oscillating motor |
| CN110107628A (en) * | 2018-02-01 | 2019-08-09 | Mplus株式会社 | Quadrilateral shape leaf spring and linear vibration motor including it |
| CN110719009A (en) * | 2018-07-11 | 2020-01-21 | Mplus株式会社 | Elastic member structure and linear vibration motor using same |
| JP2020019005A (en) * | 2018-08-03 | 2020-02-06 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Linear vibration motor |
| CN117411269A (en) * | 2023-12-15 | 2024-01-16 | 瑞声光电科技(常州)有限公司 | Vibration motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019131180A1 (en) * | 2017-12-27 | 2019-07-04 | 日本電産セイミツ株式会社 | Oscillating motor |
| CN110107628A (en) * | 2018-02-01 | 2019-08-09 | Mplus株式会社 | Quadrilateral shape leaf spring and linear vibration motor including it |
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| CN110719009A (en) * | 2018-07-11 | 2020-01-21 | Mplus株式会社 | Elastic member structure and linear vibration motor using same |
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| JP2020019005A (en) * | 2018-08-03 | 2020-02-06 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Linear vibration motor |
| CN117411269A (en) * | 2023-12-15 | 2024-01-16 | 瑞声光电科技(常州)有限公司 | Vibration motor |
| CN117411269B (en) * | 2023-12-15 | 2024-03-01 | 瑞声光电科技(常州)有限公司 | Vibration motor |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
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Application publication date: 20160810 |