CN108429427A - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN108429427A CN108429427A CN201810101699.9A CN201810101699A CN108429427A CN 108429427 A CN108429427 A CN 108429427A CN 201810101699 A CN201810101699 A CN 201810101699A CN 108429427 A CN108429427 A CN 108429427A
- Authority
- CN
- China
- Prior art keywords
- fixed part
- electric motor
- elastic portion
- fixed
- single layer
- 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
- 239000002356 single layer Substances 0.000 claims abstract description 31
- 230000009977 dual effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 1
- 230000005389 magnetism Effects 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention provides a kind of linear vibration electric motor, including shell, vibration unit, driving coil and spring part, and spring part includes the first single layer spring part and the second single layer spring part, and the first single layer spring part includes the first fixed part, the second fixed part and the first elastic portion；Second single layer spring part includes third fixed part, the 4th fixed part and the second elastic portion, the junction bending of elastic portion and fixed part so that two elastic portion interval forms double-spring structure.Compared with the relevant technologies, linear vibration electric motor spring part of the invention is not required to assembly separator part, simplifies assembly process, reduces the bad risk of Product Assembly, reduces and assembles bad ratio, to improve the service life of linear vibration electric motor.
Description
【Technical field】
The present invention relates to a kind of linear vibration electric motors, are produced for portable consumer electronic more specifically to one kind
The linear vibration electric motor of the bilayer or multilayer spring part of product.
【Background technology】
With the development of electronic technology, portable consumer electronic product is increasingly pursued by people, such as mobile phone, the palm
Game player, navigation device or palm multimedia entertainment equipment etc., generally can all use vibrating motor to do system feedback, than
The incoming call prompting of such as mobile phone, information alert, navigation hint, game machine vibrational feedback, be so widely applied, it is desirable to
The performance of vibrating motor is high, and service life is long.
The stress of spring part and thickness are negatively correlated, and for spring part under same deformation quantity, spring part is thinner, and stress is smaller,
The service life of spring part will be higher, and the spring part of the more vibrating motor of application is usually single layer spring part at present, double-deck
Or multilayer spring part, in the case where ensureing equivalents frequency and the same spring arm of force, spring thickness is thinner compared to single layer spring, uses
Service life can be longer, therefore, the studied application of bilayer or multilayer spring part.
Currently, most bilayer or multilayer spring part makes bilayer or multilayer spring part with respect between by the way that spacer is arranged
Every setting, still, lens can be increased by adding separator, while can also increase assembly process, generate bad risk, assembly
Bad ratio can also increase therewith.
Therefore, it is necessary to provide a kind of linear vibration electric motor of new bilayer or multilayer spring part.
【Invention content】
The purpose of the present invention is to provide a kind of linear vibration electric motors of bilayer or multilayer spring part, to reduce separator
Part simplifies assembly process, reduces the bad risk of Product Assembly, reduces and assembles bad ratio, to improve linear vibration electric motor
Service life.
In order to achieve the above object, the present invention provides a kind of linear vibration electric motors comprising the shell with receiving space
Body, the vibration unit being contained in the shell, the driving coil of driving vibration unit vibration and by the vibration singly
Member is suspended in the spring part of the receiving space, the spring part include the first single layer spring part and with the first single layer bullet
Folded the second single layer spring part set of spring part, the first single layer spring part include the first fixed part for being fixed on the shell, consolidate
Due to the second fixed part and connection first fixed part of the vibration unit and the first elasticity of second fixed part
Portion；
The second single layer spring part includes the third fixed part for being fixed on first fixed part, is fixed on described
4th fixed part of two fixed parts and the second elastic portion of connection the third fixed part and the 4th fixed part；
Wherein, the both ends of first elastic portion and/or second elastic portion are from the first single layer spring part and institute
State bent at the secure bond of the second single layer spring part so that first elastic portion and second elastic portion interval formed it is double
Spring structure.
Preferably, the both ends of first elastic portion respectively from first fixed part and second fixed part
Junction is bent.
Preferably, the both ends of second elastic portion respectively from the third fixed part and the 4th fixed part
Junction is bent.
Preferably, the spring part quantity is two, and two spring parts encircle the vibration unit.
Preferably, the shell includes lower housing and is connect with the lower housing lid and form the upper casing of the receiving space
Body.
Preferably, the vibration unit includes clump weight, organizes three pieces of permanent magnets assigned in the clump weight and be covered on
The clump weight and the magnetic conductive board of the close upper shell side.
Preferably, the linear vibration electric motor further includes wiring board, and the wiring board is fixed on the lower housing, with institute
State driving coil electrical connection.
Preferably, the quantity of the driving coil is two, is arranged with three permanent magnet relative spacings.
Compared with the relevant technologies, linear vibration electric motor of the invention by the way that the junction of elastic portion and fixed part is bent,
So that two elastic portion interval forms double-spring structure, spring support spacer is reduced, reduces part, simplifies assembly process, is reduced
The bad risk of Product Assembly reduces and assembles bad ratio, to improve the service life of linear vibration electric motor.
【Description of the drawings】
To describe the technical solutions in the embodiments of the present invention more clearly, required in being described below to embodiment
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings, wherein：
Fig. 1 is the stereochemical structure exploded view of linear vibration electric motor of the present invention；
Fig. 2 is linear vibration electric motor part-structure stereogram of the present invention；
Fig. 3 is the sectional view of linear vibration electric motor of the present invention；
Fig. 4 is the three-dimensional structure diagram of the first single layer spring part of the invention；
Fig. 5 is the three-dimensional structure diagram of the second single layer spring part of the invention；
Fig. 6 is the dimensional structure diagram of the first embodiment of spring part of the present invention；
Fig. 7 is the enlarged drawing of part B in Fig. 6；
Fig. 8 is the dimensional structure diagram of the second embodiment of the spring part of linear vibration electric motor of the present invention；
Fig. 9 is the enlarged drawing of C portion in Fig. 8.
【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 it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of linear vibration electric motors 100 comprising shell 1, vibration unit 2, circuit
Plate 3, driving coil 4 and spring part 5.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the shell 1 includes lower housing 11 and connects simultaneously shape with the lid of the lower housing 11
At the upper shell 12 of the receiving space.
The vibration unit 2 is set to the receiving space of the upper shell 12, and the vibration unit 2 includes clump weight
20, group is assigned in three pieces of permanent magnets 21 of the clump weight 20 and is covered on the clump weight 20 close to the upper shell 12 1
Side and the magnetic conductive board 22 for covering three pieces of permanent magnets 21.It should be noted that the permanent magnet 21 is three pieces, the permanent magnetism
Body 21 can also be two or more pieces, this is readily conceivable that those skilled in the art, ought to belong to the present invention
Protection domain.
The wiring board 3 is fixed on the lower housing 11, is electrically connected with the driving coil 4.
The driving coil 4 is fixed on the lower housing 11, the driving coil 4 and three pieces of institutes by the wiring board 3
The setting of 21 relative spacing of permanent magnet is stated, after the driving coil 4 is powered, interacts with the permanent magnet 21 and generates electromagnetic force,
The vibration unit 4 is driven to vibrate, specifically, the quantity of the driving coil 4 is two, the quantity of the driving coil 4
Can be multiple.
It should be noted that the driving coil 4 can also be fixed at the upper shell 12, the magnetic conductive board 22 pastes
In the clump weight 40 close to 11 side of the lower housing, this is readily conceivable that those skilled in the art, former
Reason all, ought to belong to the scope of protection of the present invention.
Referring to Fig. 2,5 quantity of the spring part is two, two spring parts 5 encircle the vibration unit.
Please refer to Fig. 2, Fig. 4 and Fig. 6, the spring part 5 includes the first single layer spring part 50 and with described first
Folded the second single layer spring part 51 set of single layer spring part 50, the first single layer spring part 50 include being fixed on the upper shell
12 the first fixed part 501, the second fixed part 502 for being fixed on the vibration unit 2 and connection first fixed part
501 and second fixed part 502 the first elastic portion 503.
Please refer to fig. 5, the second single layer spring part 51 includes the third for being fixed on first fixed part 501
Fixed part 511, the 4th fixed part 512 for being fixed on second fixed part 502 and connection 511 and of third fixed part
Second elastic portion 513 of the 4th fixed part 512.
Please refer to Fig. 4 and Fig. 5, the both ends of first elasticity 503 and/or second elastic portion 513 are described in
First single layer spring part 50 is with bending at the secure bond of the second single layer spring part 51 so that first elastic portion 503
Double-spring structure is formed with second elastic portion 513 interval.
Specifically, as shown in Figure 6 and Figure 7, in the first embodiment of the present invention, the two of first elastic portion 503
End is bent from the junction of first fixed part 501 and second fixed part 502 respectively.
Fig. 8 and Fig. 9 are please referred to, in second embodiment of the present invention, the both ends of second elastic portion 513
It is bent respectively from the junction of the third fixed part 511 and the 4th fixed part 512, in fig.9 as can be seen that working as
First elastic portion 503 and the described first single layer spring part 50 of second elastic portion 513 and the second single layer spring
When being bent at the secure bond of part 51, spaced at greater between first elastic portion 503 and second elastic portion 513 and
Structure is symmetrical set, and has interests to improve elastic property.
The spring part 5 can be multilayer, and the spring part 5 can be U-shaped, V-arrangement, C-shaped or other shapes, this is right
It is readily conceivable that for those skilled in the art, protection scope of the present invention ought to be belonged to.
The linear vibration electric motor 100 of the present invention is by bending the junction of elastic portion and fixed part so that two elastic portion
Interval forms double-spring structure, reduces spring support spacer, reduces part, simplifies assembly process, and it is bad to reduce Product Assembly
Risk reduces and assembles bad ratio, to improve the service life of 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 of the present invention
Range.
Claims (8)
1. a kind of linear vibration electric motor comprising the shell with receiving space, drives the vibration unit being contained in the shell
The driving coil of the dynamic vibration unit vibration and the spring part that the vibration unit is suspended in the receiving space, it is special
Sign is,
The spring part includes the first single layer spring part and folds the second single layer spring part set, institute with the first single layer spring part
It includes the first fixed part for being fixed on the shell, the second fixed part for being fixed on the vibration unit to state the first single layer spring part
And the first elastic portion of connection first fixed part and second fixed part；
The second single layer spring part includes the third fixed part for being fixed on first fixed part, is fixed on second fixation
4th fixed part in portion and the second elastic portion of connection the third fixed part and the 4th fixed part；
Wherein, the both ends of first elastic portion and/or second elastic portion are from the first single layer spring part and described the
It is bent at the secure bond of two single layer spring parts so that first elastic portion forms dual spring with second elastic portion interval
Structure.
2. linear vibration electric motor according to claim 1, which is characterized in that the both ends of first elastic portion respectively from
The junction of first fixed part and second fixed part is bent.
3. linear vibration electric motor according to claim 1 or 2, which is characterized in that distinguish at the both ends of second elastic portion
It is bent from the junction of the third fixed part and the 4th fixed part.
4. linear vibration electric motor according to claim 1, which is characterized in that the spring part quantity is two, two institutes
It states spring part and encircles the vibration unit.
5. linear vibration electric motor according to claim 1, which is characterized in that the shell include lower housing and with it is described under
Case lid connects and forms the upper shell of the receiving space.
6. linear vibration electric motor according to claim 5, which is characterized in that the vibration unit includes clump weight, assembles
In the clump weight three pieces of permanent magnets and be covered on the clump weight and close to the upper shell side magnetic conductive board.
7. linear vibration electric motor according to claim 1, which is characterized in that the linear vibration electric motor further includes circuit
Plate, the wiring board are fixed on the lower housing, are electrically connected with the driving coil.
8. linear vibration electric motor according to claim 7, which is characterized in that the quantity of the driving coil is two, with
Three permanent magnet relative spacing settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810101699.9A CN108429427B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810101699.9A CN108429427B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108429427A true CN108429427A (en) | 2018-08-21 |
| CN108429427B CN108429427B (en) | 2020-10-23 |
Family
ID=63156357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810101699.9A Expired - Fee Related CN108429427B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108429427B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204334275U (en) * | 2014-12-23 | 2015-05-13 | 瑞声光电科技(常州)有限公司 | Vibrating motor |
| CN204733058U (en) * | 2015-06-16 | 2015-10-28 | 瑞声光电科技(常州)有限公司 | Vibrating motor |
| CN105024517A (en) * | 2015-07-31 | 2015-11-04 | 瑞声光电科技(常州)有限公司 | Vibration motor |
| CN204810112U (en) * | 2015-07-16 | 2015-11-25 | 瑞声光电科技(常州)有限公司 | Linear vibration motor |
| CN204906155U (en) * | 2015-07-31 | 2015-12-23 | 瑞声光电科技(常州)有限公司 | Oscillating motor |
| CN105226909A (en) * | 2015-10-21 | 2016-01-06 | 瑞声光电科技(常州)有限公司 | Vibrating motor |
| CN205583981U (en) * | 2016-03-28 | 2016-09-14 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN205792139U (en) * | 2016-05-26 | 2016-12-07 | 歌尔股份有限公司 | Linear vibration motor |
| JP2017018934A (en) * | 2015-07-09 | 2017-01-26 | エーエーシー テクノロジーズ ピーティーイー リミテッドＡａｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｐｔｅ．Ｌｔｄ． | Linear vibration motor |
-
2018
- 2018-02-01 CN CN201810101699.9A patent/CN108429427B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204334275U (en) * | 2014-12-23 | 2015-05-13 | 瑞声光电科技(常州)有限公司 | Vibrating motor |
| CN204733058U (en) * | 2015-06-16 | 2015-10-28 | 瑞声光电科技(常州)有限公司 | Vibrating motor |
| JP2017018934A (en) * | 2015-07-09 | 2017-01-26 | エーエーシー テクノロジーズ ピーティーイー リミテッドＡａｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｐｔｅ．Ｌｔｄ． | Linear vibration motor |
| CN204810112U (en) * | 2015-07-16 | 2015-11-25 | 瑞声光电科技(常州)有限公司 | Linear vibration motor |
| CN105024517A (en) * | 2015-07-31 | 2015-11-04 | 瑞声光电科技(常州)有限公司 | Vibration motor |
| CN204906155U (en) * | 2015-07-31 | 2015-12-23 | 瑞声光电科技(常州)有限公司 | Oscillating motor |
| CN105226909A (en) * | 2015-10-21 | 2016-01-06 | 瑞声光电科技(常州)有限公司 | Vibrating motor |
| CN205583981U (en) * | 2016-03-28 | 2016-09-14 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN205792139U (en) * | 2016-05-26 | 2016-12-07 | 歌尔股份有限公司 | Linear vibration motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108429427B (en) | 2020-10-23 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |