CN108322007A - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN108322007A CN108322007A CN201810102021.2A CN201810102021A CN108322007A CN 108322007 A CN108322007 A CN 108322007A CN 201810102021 A CN201810102021 A CN 201810102021A CN 108322007 A CN108322007 A CN 108322007A
- Authority
- CN
- China
- Prior art keywords
- electric motor
- linear vibration
- vibration electric
- fixed
- elastic component
- Prior art date
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Abstract
The present invention provides a kind of linear vibration electric motors, include shell with receiving space, the coil that is fixed on the shell, and spaced vibration unit opposite with the coil and the vibration unit supported and is suspended in the elastic component of the receiving space, the elastic component, which includes at least two mutually folded plane springs set and the catch being located between the two neighboring plane spring, the catch, to be made to form gap between the two neighboring plane spring.Compared with the relevant technologies, linear vibration electric motor structural reliability of the invention is good and service life is long.
Description
【Technical field】
The present invention relates to technical field of motors more particularly to a kind of linear oscillator electricity applying to portable electronic product
Machine.
【Background technology】
With the development of electronic technology, portable consumer electronic product is increasingly pursued by people, such as mobile phone, palm
Game machine, navigation device or palm multimedia entertainment equipment etc., these electronic products generally can all use linear vibration electric motor
Do system feedback, for example, the incoming call prompting of mobile phone, information alert, navigation hint, game machine vibrational feedback etc..It is so extensive
Using then higher and higher to the performance requirement of linear vibration electric motor.
The linear vibration electric motor of the relevant technologies includes the shell with receiving space, is contained in the receiving space
Vibration unit, vibration unit support is suspended in the elastic component of the receiving space and is fixed on the line of the shell
Circle.
However, the elastic component of the relevant technologies is single layer structure, due to the elastic component stress level of single layer structure
Height, in actual application, the linear vibration electric motor are be easy to cause described linear in the case where falling equal judders
Vibrating motor failure even damages, to cause the reliability of the linear vibration electric motor to reduce and reduced service life.
Therefore, it is really necessary to propose that a kind of new linear vibration electric motor solves above-mentioned technical problem.
【Invention content】
The purpose of the present invention is to provide a kind of good and highly reliable linear vibration electric motors of vibration performance.
In order to achieve the above object, the present invention provides a kind of linear vibration electric motor, include shell with receiving space,
It is fixed on the coil of the shell, and spaced vibration unit opposite with the coil and supports the vibration unit
And it is suspended in the elastic component of the receiving space, the elastic component includes at least two mutually folded plane springs set and sandwiched
Catch between the two neighboring plane spring, the catch make to form gap between the two neighboring plane spring.
Preferably, the elastic component includes the fixed part for being fixed on the shell, is fixed on the connection of the vibration unit
Portion and it is connected to the elastic arm being arranged between the fixed part and the interconnecting piece and vacantly, the catch is set to described solid
Determine portion and the interconnecting piece.
Preferably, elastic component structure annular in shape, the fixed part include two and are oppositely arranged, the interconnecting piece packet
It includes two and is oppositely arranged, two fixed parts and two interconnecting pieces in staggeredly interval setting and are located on the vibration
Unit.
Preferably, the fixed part, the interconnecting piece and the elastic arm are generally aligned in the same plane.
Preferably, the vibration unit includes yoke, is fixed on the main magnet steel of the yoke and is located at the main magnetic
The secondary magnet steel of two of steel opposite sides, two interconnecting pieces are individually fixed in two secondary magnet steel.
Preferably, the linear vibration electric motor is in rectangular configuration, and two secondary magnet steel are located at the linear oscillator
The opposite sides along long axis direction of motor, two fixed parts be located at the linear vibration electric motor along short-axis direction
Opposite sides.
Preferably, the secondary magnet steel is arranged to form magnetic gap with the main magnet steel interval, and one end of the coil is fixed on
The shell, the other end, which plugs, to be suspended in the magnetic gap.
Preferably, the shell includes upper cover, lower cover and bends the side extended to form from the lower cover to the upper cover
The fixed part of wall, the coil and the elastic component is both secured to the upper cover.
Preferably, the linear vibration electric motor further includes link block, and the fixed part is fixedly connected by the link block
In the upper cover.
Preferably, the direction of the laterally closer lower cover close to the upper cover of the side wall is recessed to form groove,
The groove includes two and is oppositely arranged, and two link blocks are arranged in two grooves respectively.
Compared with the relevant technologies, the elastic component of linear vibration electric motor of the invention is double-layer structure, adjacent plane spring
Between connected by catch, and between two layers of plane spring at elastic arm have gap, formed double layer planar elasticity
Part structure, this configuration reduces the stress of elastic component, to make the linear vibration electric motor still can when micro- fall
Enough keep good using effect；Meanwhile the spring structure of double-layer structure is more reliable, can prevent from damaging in falling process
The linear vibration electric motor, so as to extend the service life of the linear vibration electric motor.
【Description of the drawings】
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the dimensional structure diagram of linear vibration electric motor of the present invention；
Fig. 2 is the part isometric structural exploded view of linear vibration electric motor of the present invention；
Fig. 3 is the sectional view of the line A-A along Fig. 1；
Fig. 4 is the structural schematic diagram of the elastic component of linear vibration electric motor of the present invention；
Fig. 5 is the stereochemical structure exploded view of the elastic component of linear vibration electric motor of the present invention.
【Specific implementation mode】
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is the dimensional structure diagram of linear vibration electric motor of the present invention；Fig. 2 is
The part isometric structural exploded view of linear vibration electric motor of the present invention.The present invention provides a kind of linear vibration electric motors 100, including tool
The shell 1 for having receiving space 10, the vibration unit 2 being contained in the receiving space 10 are correspondingly arranged with the vibration unit 2
Coil 3 and the vibration unit 2 is supported and the elastic component 4 that is suspended in the receiving space 10.
The shell 1 includes upper cover 11, lower cover 12 and the side wall extended to form from the lower cover 12 to the upper cover 11
13, jointly around the receiving space 10 is formed, the coil 3 is received for the upper cover 11, the lower cover 12 and the side wall 13
It is dissolved in the receiving space 10 and is fixed on the upper cover 11, certainly, the coil 3 can also be fixed on institute's lower cover
12。
In present embodiment, the coil 3 is fixed on the upper cover 11.
Fig. 3 is please referred to, for the sectional view of the line A-A along Fig. 1.The vibration unit 2 includes yoke 21, is fixed on institute
It states the main magnet steel 22 of yoke 21 and is located at two secondary magnet steel 23 of 22 opposite sides of main magnet steel.
Specifically, the linear vibration electric motor 100 is in rectangular configuration, two secondary magnet steel 23 are located at described linear
The opposite sides along long axis direction of vibrating motor 100.
The pair magnet steel 23 forms magnetic gap 24 with the setting of the main magnet steel 22 interval, and institute is fixed in 3 one end of the coil
State upper cover 11, the other end of the coil 3, which plugs, to be suspended in the magnetic gap 24, i.e., the coil 3 far from the upper cover
11 side is suspended in the magnetic gap 24.
The elastic component 4 is around the coil 3 and is fixed on the vibration unit 2, and the elastic component 4 supports the vibration
Unit 2 is simultaneously suspended in the receiving space 10.In a particular application, the coil 3 can be used with the vibration unit 2
Non- face setting, only need to keep 2 stress balance of the vibration unit.The vibration unit 2 is driven to shake by the coil 3
It is dynamic.
Fig. 4 is please referred to, is the structural schematic diagram of the elastic component of linear vibration electric motor of the present invention.In present embodiment,
The elastic component 4 is symmetrical planar structure, the rectangular cyclic structure of the elastic component 4.It includes being fixed on the shell 1
Fixed part 41, be fixed on the interconnecting piece 42 of the vibration unit 2 and be connected to the fixed part 41 and the interconnecting piece 42
Between elastic arm 43.
Specifically, the elastic component 4 includes being located at its two fixed part 41 and difference with respect to two short sides
Positioned at two interconnecting pieces 42 of its two long side, the elastic arm 43 is connected to described in two fixed parts 41 and two
Between interconnecting piece 42 and loop is formed, two fixed parts 41 and two interconnecting pieces 42 is made to be arranged in interlocking and being spaced,
The fixed part 41, the interconnecting piece 42 and elastic arm 43 are generally aligned in the same plane.
Two interconnecting pieces 42 are individually fixed in two secondary magnet steel 23, and two fixed parts 41 are located at institute
State linear vibration electric motor 100 along short-axis direction opposite sides and be fixed on the upper cover 11.
Certainly, the elastic component 4 can also the other shapes such as elongated, circular ring shape, U-shaped, described in support
Vibration unit 2 is simultaneously suspended in the receiving space 10, realizes vibration.
The fixed part 41 is fixed on the upper cover 11 of the shell 1, specifically, the side wall 13 is equipped with groove
131, one end far from the vibration unit 2 of the fixed part 41 is arranged in the groove 131, and described by being stacked at
Link block 132 on fixed part 41 is fixed to the upper cover 11, makes to form fixed connect between the elastic component 4 and the shell 1
It connects, this structure convenient for assembly, the link block 132 there is thickness, the activity for the elastic component 4 to provide space.Certainly, exist
In concrete application, the fixed part 41 other connection types can also be fixed on the shell 1 by gluing, buckle, welding etc..
Fig. 5 is please referred to, is the stereochemical structure exploded view of the elastic component of linear vibration electric motor of the present invention.The elastic component
4 include at least two layers of plane spring 411, and catch 412 is folded between plane spring 411 described in adjacent two layers.The catch 412
Make that there is gap between plane spring 411 described in adjacent two layers.In present embodiment, the elastic component 4 includes described flat two layers
Diaphragm flexures 411, form double layer planar spring structure.Certainly, the elastic component 4 can also include two layers of plane described above
Spring 411.
It should be noted that in the present invention, so-called " plane spring " is not limited to each section and is respectively positioned on conplane knot
Structure, that is to say, that the fixed part 41 belongs to plane spring structure when parallel or coplanar with the interconnecting piece 42.
When the fixed part 41 and the coplanar interconnecting piece 42, the elastic arm 43 is described in same plane connection at this time
Fixation wall 41 and the interconnecting piece 42 form the plane spring structure for being integrally located at a plane；When the fixed part 41 and described
When interconnecting piece 42 is parallel, i.e., non-co-planar, the elastic wall 43 designs bending structure at this time, for example is connecting 41 He of fixed part
Connection is realized in the both ends of the interconnecting piece 42 after bending round about respectively, i.e., the described fixed part 41 and the interconnecting piece 42 are
Positioned at two parallel surfaces and entirety is in plane spring structure.
Specifically, the catch 412 is set to the correspondence fixed part 41 and the interconnecting piece 42 of the elastic component 4
Position.The setting of the catch 412 make 413 position of the elastic arm of the elastic component 4 two layers of plane spring 411 it
Between have gap.
Keep the structure of the elastic component 4 relatively reliable by the way that two layers of plane spring 411 is arranged, the line can be extended
The service life of property vibrating motor 100.
The catch 412 is set up by two layers of plane spring 411 of setting and between two layers of plane spring 411
Structure can reduce the stress of the elastic component 4 so that the linear vibration electric motor 100 is in micro- strong environment of vibrations such as fall
Under can also bring into normal play effectiveness.
Compared with the relevant technologies, the elastic component of linear vibration electric motor of the invention is double-layer structure, adjacent plane spring
Between connected by catch, and between two layers of plane spring at elastic arm have gap, formed double layer planar elasticity
Part structure, this configuration reduces the stress of elastic component, to make the linear vibration electric motor still can when micro- fall
Enough keep good using effect；Meanwhile the spring structure of double-layer structure is more reliable, can prevent from damaging in falling process
The linear vibration electric motor, so as to extend the service life of the linear vibration electric motor.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention
It encloses.
Claims (10)
1. a kind of linear vibration electric motor, include shell with receiving space, the coil that is fixed on the shell, with the coil
Opposite and spaced vibration unit and the vibration unit is supported to and is suspended in the elastic component of the receiving space,
It is characterized in that, the elastic component includes at least two mutually folded plane springs set and is located in the two neighboring plane bullet
Catch between spring, the catch make to form gap between the two neighboring plane spring.
2. linear vibration electric motor according to claim 1, which is characterized in that the elastic component includes being fixed on the shell
Fixed part, be fixed on the interconnecting piece of the vibration unit and be connected between the fixed part and the interconnecting piece and hanging
The elastic arm of setting, the catch are set to the fixed part and the interconnecting piece.
3. linear vibration electric motor according to claim 2, which is characterized in that the elastic component structure annular in shape, it is described solid
It includes two and being oppositely arranged to determine portion, and the interconnecting piece includes two and is oppositely arranged, described in two fixed parts and two
Interconnecting piece is in staggeredly interval setting and is located on the vibration unit.
4. linear vibration electric motor according to claim 3, which is characterized in that the fixed part, the interconnecting piece and institute
Elastic arm is stated to be generally aligned in the same plane.
5. linear vibration electric motor according to claim 3, which is characterized in that the vibration unit includes yoke, is fixed on
The main magnet steel of the yoke and two secondary magnet steel for being located at the main magnet steel opposite sides, two interconnecting pieces are solid respectively
Due to two secondary magnet steel.
6. linear vibration electric motor according to claim 5, which is characterized in that the linear vibration electric motor is in rectangular configuration,
Two secondary magnet steel are located at the opposite sides along long axis direction of the linear vibration electric motor, two fixed parts
Not Wei Yu the linear vibration electric motor the opposite sides along short-axis direction.
7. linear vibration electric motor according to claim 5, which is characterized in that the pair magnet steel is set with the main magnet steel interval
It sets to form magnetic gap, the shell is fixed in one end of the coil, and the other end, which plugs, to be suspended in the magnetic gap.
8. linear vibration electric motor according to claim 7, which is characterized in that the shell include upper cover, lower cover and by
The lower cover bends the side wall extended to form to the upper cover, and the fixed part of the coil and the elastic component is both secured to
The upper cover.
9. linear vibration electric motor according to claim 8, which is characterized in that the linear vibration electric motor further includes connection
Block, the fixed part are fixedly connected on the upper cover by the link block.
10. linear vibration electric motor according to claim 9, which is characterized in that the one of the close upper cover of the side wall
The direction of the laterally closer lower cover is recessed to form groove, and the groove includes two and is oppositely arranged, two link blocks
It is arranged in two grooves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102021.2A CN108322007B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102021.2A CN108322007B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108322007A true CN108322007A (en) | 2018-07-24 |
| CN108322007B CN108322007B (en) | 2020-07-14 |
Family
ID=62888149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810102021.2A Expired - Fee Related CN108322007B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108322007B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109873544A (en) * | 2018-12-29 | 2019-06-11 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN113857022A (en) * | 2021-10-28 | 2021-12-31 | 汉得利（常州）电子股份有限公司 | Vibration assembly, vehicle-mounted haptic actuator and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003080171A (en) * | 2001-09-13 | 2003-03-18 | Shicoh Eng Co Ltd | Electromagnetic actuator |
| CN201656732U (en) * | 2010-02-01 | 2010-11-24 | 瑞声光电科技(常州)有限公司 | Vibration motor |
| CN105680663A (en) * | 2016-04-19 | 2016-06-15 | 金龙机电股份有限公司 | Linear motor |
| CN206180809U (en) * | 2016-07-21 | 2017-05-17 | 瑞声科技(新加坡)有限公司 | Linear vibration motor |
| CN107181383A (en) * | 2017-04-21 | 2017-09-19 | 瑞声科技(新加坡)有限公司 | Vibration exciter |
| CN107534377A (en) * | 2015-09-14 | 2018-01-02 | 日本电产三协株式会社 | Linear actuators |
-
2018
- 2018-02-01 CN CN201810102021.2A patent/CN108322007B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003080171A (en) * | 2001-09-13 | 2003-03-18 | Shicoh Eng Co Ltd | Electromagnetic actuator |
| CN201656732U (en) * | 2010-02-01 | 2010-11-24 | 瑞声光电科技(常州)有限公司 | Vibration motor |
| CN107534377A (en) * | 2015-09-14 | 2018-01-02 | 日本电产三协株式会社 | Linear actuators |
| CN105680663A (en) * | 2016-04-19 | 2016-06-15 | 金龙机电股份有限公司 | Linear motor |
| CN206180809U (en) * | 2016-07-21 | 2017-05-17 | 瑞声科技(新加坡)有限公司 | Linear vibration motor |
| CN107181383A (en) * | 2017-04-21 | 2017-09-19 | 瑞声科技(新加坡)有限公司 | Vibration exciter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109873544A (en) * | 2018-12-29 | 2019-06-11 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN113857022A (en) * | 2021-10-28 | 2021-12-31 | 汉得利（常州）电子股份有限公司 | Vibration assembly, vehicle-mounted haptic actuator and manufacturing method thereof |
| CN113857022B (en) * | 2021-10-28 | 2022-07-15 | 汉得利（常州）电子股份有限公司 | Vibration assembly, vehicle-mounted haptic actuator and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108322007B (en) | 2020-07-14 |
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Granted publication date: 20200714 |