CN108206618A - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN108206618A CN108206618A CN201810102494.2A CN201810102494A CN108206618A CN 108206618 A CN108206618 A CN 108206618A CN 201810102494 A CN201810102494 A CN 201810102494A CN 108206618 A CN108206618 A CN 108206618A
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- CN
- China
- Prior art keywords
- fixed part
- fixed
- electric motor
- linear vibration
- spring
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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)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention provides a kind of linear vibration electric motors, and including housing, vibration unit, driving coil and spring part, spring part includes the first spring part and second spring part, and the first spring part includes the first fixed part, the second fixed part and the first elastic portion；Second spring part includes third fixed part, the 4th fixed part and the second elastic portion, the first spacer portion between the first fixed part and third fixed part is extended in first fixed part and at least one reversed bending of third fixed part, the second spacer portion between the second fixed part and the 4th fixed part is extended in second fixed part and at least one reversed bending of the 4th fixed part, and the first elastic portion passes through the first spacer portion and the spaced setting of the second spacer portion with the second elastic portion.Compared with the relevant technologies, linear vibration electric motor of the invention reduces the assembling of 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 more specifically to one kind for portable consumer electronic
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 equal 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 individual layer spring part at present, double-deck
Spring part is in the case where ensureing equivalents frequency and the equal spring arm of force, and spring thickness is thinner compared to individual layer spring, service life meeting
Longer, therefore, bilayer or multilayer spring part is studied application.
At present, most bilayer or multilayer spring part is by setting spacer to make bilayer or multilayer spring part relative spacing
Setting, still, lens can be increased, while can also increase assembly process by adding separator, generate bad risk, assembling it is 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 motor of bilayer or multilayer spring part, to reduce separator zero
Part simplifies assembly process, reduces the bad risk of Product Assembly, reduces and assembles bad ratio, to improve making for linear vibration electric motor
Use the service life.
In order to achieve the above object, the present invention provides a kind of linear vibration electric motor, including the shell with receiving space
Institute is fixed in body, the vibration unit being contained in the housing, the driving coil of the driving vibration unit vibration and one end
It states the housing 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
The first fixed part in the housing, the second fixed part for being fixed on the vibration unit and connection first fixed part and
First elastic portion of second fixed part, the third that the second spring part includes being fixed on first fixed part are fixed
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 fixed part and at least one reversed bending of the third fixed part are extended to be fixed positioned at described first
The first spacer portion between portion and the third fixed part, second fixed part and the 4th fixed part are at least one reversely
The second spacer portion between second fixed part and the 4th fixed part is extended in bending, is spaced by described first
Portion and second spacer portion cause first elastic portion and the spaced setting of the second elastic portion.
Preferably, first fixed part and the third fixed part extend first spacer portion, and described second
Fixed part and the 4th fixed part extend second spacer portion.
Preferably, first spacer portion extends from first fixed part, and second spacer portion is solid from described second
Determine portion's extension.
Preferably, the housing 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 clump weight and assembles two pieces of permanent magnets 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
The side of housing, 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.
Preferably, the quantity of the spring part is two, and is shaken respectively positioned at the both sides of the vibration unit and along described
Moving cell is symmetrical arranged.
Compared with the relevant technologies, the spring part of linear vibration electric motor of the invention include the first spring part and with the first spring
Part folds the second spring part set, and the first spring part includes the first fixed part, the second fixed part and the first fixed part of connection and the
First elastic portion of two fixed parts, second spring part include third fixed part, the 4th fixed part and connection third fixed part and
Second elastic portion of the 4th fixed part, the first fixed part and at least one reversed bending of third fixed part are extended solid positioned at first
Determine the first spacer portion between portion and third fixed part, the second fixed part and at least one reversed bending of the 4th fixed part are extended
The second spacer portion between the second fixed part and the 4th fixed part passes through the first spacer portion and the second spacer portion first
Elastic portion and the spaced setting of the second elastic portion, reduce the assembling of separator part, simplify assembly process, reduce Product Assembly
Bad risk 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, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present 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 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 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 first embodiment of the spring part of linear vibration electric motor of the present invention；
Fig. 6 is the dimensional structure diagram of the second embodiment of the spring part of linear vibration electric motor of the present invention；
Fig. 7 is the enlarged drawing of part B in Fig. 5.
【Specific embodiment】
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without making creative work
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 motor 100, including housing 1, wiring board 2, driving line
Circle 3, vibration unit 4 and spring part 5.
Fig. 1, Fig. 2 and Fig. 4 are please referred to, the housing 1 includes upper shell 11 and connects simultaneously shape with the upper shell 11 lid
Into the lower housing 12 of the receiving space.
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 on the receiving space of the lower housing 12, and the vibration unit 4 includes clump weight 40
With assemble two pieces of permanent magnets 41 in the clump weight 40.The driving coil 3 is set with two pieces of 41 relative spacings of permanent magnet
It puts, 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
The side of housing 12, 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 the side of the upper shell 11, this is readily conceivable that pouring weight 40 to those skilled in the art, ought to belong to
Protection scope of the present invention.
Fig. 1 and Fig. 5 are please referred to, the quantity of the spring part 5 is two, and respectively positioned at the vibration unit 4
Both sides are simultaneously symmetrical arranged along the vibration unit 4, and the vibration unit 4 is suspended in the receiving sky by two spring parts 5
Between.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 housing 1, being fixed on the second fixed part 502 of the vibration unit 4
And connect the first elastic portion 503 of 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
Portion 511 and the second elastic portion 512 for connecting the third fixed part 510 and the 4th fixed part 511, first elasticity
Portion 503 and the 512 spaced setting of the second elastic portion.
Fig. 5 and Fig. 7 are please referred to, first fixed part 501 and the third fixed part 510 are at least one reversely
The first spacer portion 504 between first fixed part 501 and the third fixed part 510, institute are extended in 180 ° of bendings
State the first fixed part 501, first spacer portion 505 and the third fixed part 510 successively fold set fixation.Described second is solid
Determine portion 502 and at least one reversed 180 ° of bendings of the 4th fixed part 511 are extended positioned at second fixed part 502 and institute
State the second spacer portion 513 between the 4th fixed part 511, second fixed part 502, second spacer portion 513 and institute
State the 4th fixed part 511 successively fold set fixation.Specifically, first spacer portion 504 extends from first fixed part 501,
Second spacer portion 513 extends from second fixed part 502, is made by first spacer portion and second spacer portion
Obtain first elastic portion and the spaced setting of the second elastic portion.
It should be noted that first spacer portion 504 can extend from the third fixed part 510, second interval
Portion 513 can extend from the 4th fixed part 511, referring to Fig. 6, can also be first fixed part 501 and the third
Fixed part 510 extends first spacer portion 504, and second fixed part 502 and the 4th fixed part 511 extend
Go out second spacer portion 513, this is readily conceivable that those skilled in the art, and principle all, ought to be all
It belongs to the scope of protection of the present invention.
The spring part 5 can be U-shaped, V-arrangement, C-shaped or other shapes, and the spring part 5 can also be multilayer.
Compared with the relevant technologies, the spring part 5 of linear vibration electric motor 100 of the invention includes the first spring part 50 and with the
The folded second spring part 51 set of one spring part 50, the first spring part 50 include the first fixed part 501, the second fixed part 502 and
The first elastic portion 503 of the first fixed part 501 and the second fixed part 503 is connected, second spring part 51 includes third fixed part
510th, the 4th fixed part 511 and the second elastic portion 512 of connection third fixed part 510 and the 4th fixed part 511, first fixes
Portion 501 and at least one reversed 180 ° of bendings of third fixed part 510 are extended positioned at the first fixed part 501 and third fixed part
The first spacer portion 504 between 510, the second fixed part 502 and the 511 at least one reversed 180 ° of bendings of the 4th fixed part are extended
The second spacer portion 513 between the second fixed part 502 and the 4th fixed part 511, by between the first spacer portion 504 and second
Every portion 513 so that the 512 spaced setting of the first elastic portion 503 and the second elastic portion, reduces the assembling of separator part, simplify
Assembly process reduces the bad risk of Product Assembly, 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 model of the present invention
It encloses.
Claims (10)
1. a kind of linear vibration electric motor including the housing with receiving space, the vibration unit being contained in the housing, drives
The driving coil of the dynamic vibration unit vibration and one end be fixed on the housing 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 fixation of the housing
The first of portion, the second fixed part for being fixed on the vibration unit and connection first fixed part and second fixed part
Elastic portion, the second spring part include being fixed on the third fixed part of first fixed part, are fixed on second fixation
4th fixed part in portion and the second elastic portion for connecting the third fixed part and the 4th fixed part, described first fixes
Portion and at least one reversed bending of the third fixed part extend positioned at first fixed part and the third fixed part it
Between the first spacer portion, second fixed part and at least one reversed bending of the 4th fixed part are extended positioned at described the
The second spacer portion between two fixed parts and the 4th fixed part is made by first spacer portion and second spacer portion
Obtain first elastic 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 and the third are fixed
First spacer portion is extended in portion, and second fixed part and the 4th fixed part extend second interval
Portion.
3. linear vibration electric motor according to claim 1, which is characterized in that first spacer portion is fixed from described first
Portion extends, and second spacer portion extends from second fixed part.
4. linear vibration electric motor according to claim 1, which is characterized in that the housing 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 4, 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 5, which is characterized in that the vibration unit further includes magnetic conductive board, institute
It states magnetic conductive board and is covered on the clump weight close to the side of the lower housing, and cover two pieces of permanent magnets.
7. linear vibration electric motor according to claim 5, which is characterized in that second fixed part is fixedly connected on described
Clump weight.
8. linear vibration electric motor according to claim 4 or 5, which is characterized in that the linear vibration electric motor further includes line
Road plate, the wiring board is fixed on the upper shell, and is electrically connected with the driving coil.
9. linear vibration electric motor according to claim 8, which is characterized in that the driving coil is consolidated by the wiring board
Due to the upper shell, the driving coil is set with two pieces of permanent magnet relative spacings.
10. linear vibration electric motor according to claim 1, which is characterized in that the quantity of the spring part is two, and point
Not Wei Yu the vibration unit both sides and be symmetrical arranged along the vibration unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102494.2A CN108206618B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102494.2A CN108206618B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108206618A true CN108206618A (en) | 2018-06-26 |
| CN108206618B CN108206618B (en) | 2020-07-14 |
Family
ID=62605718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810102494.2A Active CN108206618B (en) | 2018-02-01 | 2018-02-01 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108206618B (en) |
Cited By (1)
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202721058U (en) * | 2012-08-09 | 2013-02-06 | 浙江键富电子有限公司 | Light touch switch |
| CN105406676A (en) * | 2015-11-25 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN205430018U (en) * | 2015-11-25 | 2016-08-03 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN206059286U (en) * | 2016-08-23 | 2017-03-29 | 施耐德电器工业公司 | Magnetic latching relay |
-
2018
- 2018-02-01 CN CN201810102494.2A patent/CN108206618B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202721058U (en) * | 2012-08-09 | 2013-02-06 | 浙江键富电子有限公司 | Light touch switch |
| CN105406676A (en) * | 2015-11-25 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN205430018U (en) * | 2015-11-25 | 2016-08-03 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN206059286U (en) * | 2016-08-23 | 2017-03-29 | 施耐德电器工业公司 | Magnetic latching relay |
Cited By (1)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108206618B (en) | 2020-07-14 |
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