CN108418382A - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN108418382A CN108418382A CN201810102031.6A CN201810102031A CN108418382A CN 108418382 A CN108418382 A CN 108418382A CN 201810102031 A CN201810102031 A CN 201810102031A CN 108418382 A CN108418382 A CN 108418382A
- Authority
- CN
- China
- Prior art keywords
- fixed
- fixed part
- electric motor
- spring
- elastic portion
- 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.)
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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, it includes that shell, vibration unit, driving coil and one end are fixed on the shell other end and are fixed on vibration unit so that vibration unit to be suspended in the spring part of receiving space, spring part includes the first spring part and second spring part, and the first spring part includes the first fixed part for being fixed on shell, is fixed on the second fixed part of vibration unit and connects the first elastic portion of the first fixed part and the second fixed part；Second spring part includes the third fixed part for being fixed on the first fixed part, is fixed on the 4th fixed part of the second fixed part and connects the second elastic portion of third fixed part and the 4th fixed part, the first elastic portion and the spaced setting of the second elastic portion.Compared with the relevant technologies, the spring part of the linear vibration electric motor of the present invention by vibration unit therefore holds the receiving space for hanging on shell, double-layer spring part is in the case where ensureing equivalents frequency and the same spring arm of force, and spring thickness is thinner compared to single layer spring, and the service life is longer.
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 product.
【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. generally can all use vibrating motor to do system feedback, such as hand
The incoming call prompting of machine, information alert, navigation hint, game machine vibrational feedback etc., be so widely applied, it is desirable to vibration electricity
The performance of machine 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
Spring part is in the case where ensureing equivalents frequency and the same spring arm of force, and spring thickness is thinner compared to single layer spring, service life meeting
It is longer.
Therefore, it is necessary to provide a kind of linear vibration electric motor of new double-layer spring part.
【Invention content】
The purpose of the present invention is to provide a kind of linear vibration electric motors of double-layer spring part, 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
Institute is fixed in body, the vibration unit being contained in the shell, the driving coil of the driving vibration unit vibration and one end
It states the shell other end and is fixed on the vibration unit so that the vibration unit to be suspended in the spring part of the receiving space, it is described
Spring part includes the first spring part and folds the second spring part set with first spring part, and first spring part includes fixing
In the shell the first fixed part, be fixed on the vibration unit the second fixed part and connection first fixed part and
First elastic portion of second fixed part, the second spring part include being fixed on the third of first fixed part to fix
Portion, the 4th fixed part for being fixed on second fixed part and connect the third fixed part and the 4th fixed part the
Two elastic portions, first elastic portion and the spaced setting of the second elastic portion.
Preferably, the first spacer is equipped between first fixed part and the third fixed part, the third is fixed
Portion is by being fixed on first spacer to be fixed on first fixed part；Second fixed part is fixed with the described 4th
The second spacer is equipped between portion, it is solid that the 4th fixed part is fixed on described second by being fixed on second spacer
Determine portion.
Preferably, third spacer, first elasticity are equipped between first elastic portion and second elastic portion
Portion passes through the spaced setting of third spacer with second elastic portion.
Preferably, the shell includes upper shell and the lower casing of the receiving space is connect and formed with the upper case cover
Body.
Preferably, the vibration unit includes the two pieces of permanent magnets of clump weight and group assigned in the clump weight.
Preferably, the vibration unit further includes magnetic conductive board, and the magnetic conductive board is covered on the clump weight under described
Shell ends, and cover two pieces of permanent magnets.
Preferably, second fixed part is fixedly connected on the clump weight.
Preferably, the linear vibration electric motor further includes wiring board, and the wiring board is fixed on the upper shell, and with institute
State driving coil electrical connection.
Preferably, the driving coil is fixed on the upper shell by the wiring board, the driving coil with two pieces
The permanent magnet relative spacing setting.
Compared with the relevant technologies, the spring part of linear vibration electric motor of the invention includes the first spring part and with described first
The folded second spring part set of spring part, first spring part include the first fixed part for being fixed on the shell, are fixed on institute
State the second fixed part of vibration unit and the first elastic portion of connection first fixed part and second fixed part；It is described
Second spring part includes the third fixed part for being fixed on first fixed part, is fixed on the 4th fixation of second fixed part
Second elastic portion of portion and connection the third fixed part and the 4th fixed part, first elastic portion and described second
The spaced setting of elastic portion, the spring part in the case where ensureing equivalents frequency and the same spring arm of force, compare by spring thickness
Single layer spring is thinner, and the service life is longer.
【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 linear vibration electric motor part-structure stereogram of the present invention；
Fig. 2 is the stereochemical structure exploded view of linear vibration electric motor of the present invention；
Fig. 3 is the three-dimensional structure diagram of linear vibration electric motor of the present invention；
Fig. 4 is the sectional view of the line A-A along Fig. 3；
Fig. 5 is the dimensional structure diagram of the spring part of linear vibration electric motor of the present invention；
Fig. 6 is that the spring part of linear vibration electric motor of the present invention is free of the dimensional structure diagram of separator.
【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. 1-4, wherein Fig. 1 is 100 part-structure stereogram of linear vibration electric motor of the present invention；Fig. 2 is this
The stereochemical structure exploded view of invention linear vibration electric motor 100；The present invention provides a kind of linear vibration electric motors 100 comprising shell
Body 1, wiring board 2, driving coil 3, vibration unit 4 and spring part 5.
The shell 1 includes upper shell 11 and connects and formed the lower housing of the receiving space with the lid of the upper shell 11
12。
The wiring board 2 is fixed on the upper shell 11, is electrically connected with the driving coil 3, and the driving coil 3 passes through
The wiring board 2 is fixed on the upper shell 11.
The vibration unit 4 is set to the receiving space of the lower housing 12, and the vibration unit 4 includes clump weight 40
With two piece permanent magnets 41 of the group assigned in the clump weight 40, the driving coil 3 is set with two pieces of 41 relative spacings of the permanent magnet
It sets, after the driving coil 3 is powered, interacts with the permanent magnet 41 and generate electromagnetic force, the vibration unit 4 is driven to shake
It is dynamic.It should be noted that the permanent magnet 41 is two pieces, the permanent magnet 41 can also be polylith, this is to people in the art
It is readily conceivable that for member, protection scope of the present invention ought to be belonged to.
The vibration unit 4 further includes magnetic conductive board 42, and the magnetic conductive board 42 is covered on the clump weight 40 under described
12 end of shell, and cover two pieces of permanent magnets 41.
Specifically, the driving coil 3 can also be fixed at the lower housing 12, the magnetic conductive board 42 is covered on described match
Close to 11 end of the upper shell, this is readily conceivable that pouring weight 40 to those skilled in the art, ought to belong to this hair
Bright protection domain.
Fig. 1 and Fig. 5 are please referred to, Fig. 5 is the stereochemical structure signal of the spring part 5 of linear vibration electric motor 100 of the present invention
Figure, the spring part 5 include the first spring part 50 and with the folded second spring part 51 set of first spring part 50, described first
Spring part 50 includes being fixed on the first fixed part 501 of the shell 1, being fixed on the second fixed part 502 of the vibration unit 4
And the first elastic portion 503 of connection first fixed part 501 and second fixed part 502；The second spring part 51
It is fixed including being fixed on the third fixed part 510 of first fixed part 501, being fixed on the 4th of second fixed part 502
Second elastic portion 512 of portion 511 and connection the third fixed part 510 and the 4th fixed part 511, first elasticity
The vibration unit 4 is suspended in the receiving by portion 503 and second elastic portion, 512 spaced setting, the spring part 5
Space.
The first spacer 52 is equipped between first fixed part 501 and the third fixed part 510, the third is fixed
First fixed part 501 is fixed on by being fixed on first spacer 52 in portion 510；Second fixed part 502 and institute
It states and is equipped with the second spacer 53 between the 4th fixed part 511, the 4th fixed part 511 is by being fixed on second spacer
53 are fixed on second fixed part 502；Between first elastic portion 503 and second elastic portion 512 be equipped with third every
From piece 54, first elastic portion 503 passes through 53 spaced setting of the third spacer with second elastic portion 512.
Referring to Fig. 6, stereochemical structure of the spring part 6 without separator that Fig. 6 is linear vibration electric motor 100 of the present invention is illustrated
Figure, between first fixed part 501 and the third fixed part 510, second fixed part 502 and the 4th fixed part
Spacer can not be also set between 511 and between first elastic portion 503 and second elastic portion 512.
The spring part 5 can be U-shaped, V-arrangement, C-shaped or other shapes, this is to hold very much to those skilled in the art
It is readily conceivable that, protection scope of the present invention ought to be belonged to.
Compared with the relevant technologies, the spring part 5 of linear vibration electric motor 100 of the invention include the first spring part 50 and with institute
The folded second spring part 51 set of the first spring part 50 is stated, first spring part 50 includes being fixed on the first of the shell 1 to consolidate
Determine portion 501, the second fixed part 502 for being fixed on the vibration unit 4 and connection first fixed part 501 and described second
First elastic portion 503 of fixed part 502.The second spring part 51 is solid including the third for being fixed on first fixed part 501
Determine portion 510, the 4th fixed part 511 for being fixed on second fixed part 502 and the connection third fixed part and described the
Second elastic portion 512 of four fixed parts 511, the 512 spaced setting of first elastic portion 503 and second elastic portion,
For the spring part 5 in the case where ensureing equivalents frequency and the same spring arm of force, spring thickness is thinner compared to single layer spring, uses the longevity
It orders longer.
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 (9)
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 one end be fixed on the shell other end be fixed on the vibration unit with
The vibration unit is suspended in the spring part of the receiving space, which is characterized in that the spring part includes the first spring part
The second spring part set is folded with first spring part, first spring part includes being fixed on the first of the shell to fix
Portion, the second fixed part for being fixed on the vibration unit and connect the first of first fixed part and second fixed part
Elastic portion, the second spring part include the third fixed part for being fixed on first fixed part, are 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, first elasticity
Portion and the spaced setting of the second elastic portion.
2. linear vibration electric motor according to claim 1, which is characterized in that first fixed part is fixed with the third
The first spacer is equipped between portion, it is solid that the third fixed part is fixed on described first by being fixed on first spacer
Determine portion；The second spacer is equipped between second fixed part and the 4th fixed part, the 4th fixed part passes through fixation
In second spacer to be fixed on second fixed part.
3. linear vibration electric motor according to claim 1 or 2, which is characterized in that first elastic portion and described second
Third spacer is equipped between elastic portion, first elastic portion is mutual by the third spacer with second elastic portion
Interval setting.
4. linear vibration electric motor according to claim 1, which is characterized in that the shell include upper shell and with it is described on
Case lid connects and forms the lower housing of the receiving space.
5. linear vibration electric motor according to claim 1, which is characterized in that the vibration unit includes clump weight and assembles
In two pieces of permanent magnets of the clump weight.
6. linear vibration electric motor according to claim 4 or 5, which is characterized in that the vibration unit further includes magnetic conductive board,
The magnetic conductive board is covered on the clump weight close to the lower end, and covers two pieces of permanent magnets.
7. the linear vibration electric motor according to claim 2 or 5, which is characterized in that second fixed part is fixedly connected on
The clump weight.
8. 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 is fixed on the upper shell, and is electrically connected with the driving coil.
9. the linear vibration electric motor according to claim 5 or 8, which is characterized in that the driving coil passes through the circuit
Plate is fixed on the upper shell, and the driving coil is arranged with two pieces of permanent magnet relative spacings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102031.6A CN108418382B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102031.6A CN108418382B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108418382A true CN108418382A (en) | 2018-08-17 |
| CN108418382B CN108418382B (en) | 2021-02-05 |
Family
ID=63127551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810102031.6A Active CN108418382B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108418382B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134470A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2021134173A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibrating motor |
Citations (7)
| 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 |
| CN204392052U (en) * | 2015-01-16 | 2015-06-10 | 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 |
| CN205583981U (en) * | 2016-03-28 | 2016-09-14 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN205864216U (en) * | 2016-08-15 | 2017-01-04 | 重庆市灵龙电子有限公司 | A kind of ticker assembly of motor for cell phone |
| JP2017034963A (en) * | 2015-07-31 | 2017-02-09 | 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． | Vibration electric motor |
-
2018
- 2018-02-01 CN CN201810102031.6A patent/CN108418382B/en active Active
Patent Citations (7)
| 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 |
| CN204392052U (en) * | 2015-01-16 | 2015-06-10 | 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 |
| JP2017034963A (en) * | 2015-07-31 | 2017-02-09 | 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． | Vibration electric motor |
| CN205583981U (en) * | 2016-03-28 | 2016-09-14 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN205864216U (en) * | 2016-08-15 | 2017-01-04 | 重庆市灵龙电子有限公司 | A kind of ticker assembly of motor for cell phone |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134470A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2021134173A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibrating motor |
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| Publication number | Publication date |
|---|---|
| CN108418382B (en) | 2021-02-05 |
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