CN102214967B - VCM (voice coil motor) - Google Patents
VCM (voice coil motor) Download PDFInfo
- Publication number
- CN102214967B CN102214967B CN201010140892.7A CN201010140892A CN102214967B CN 102214967 B CN102214967 B CN 102214967B CN 201010140892 A CN201010140892 A CN 201010140892A CN 102214967 B CN102214967 B CN 102214967B
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- China
- Prior art keywords
- voice coil
- coil motor
- groove
- face
- receiving space
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention provides a VCM (voice coil motor) comprising a fixed mount with opposite top surface and bottom surface, an upper cover fixed on the top surface and a base for supporting the bottom surface, wherein the fixed mount is provided with a first accommodating space; the upper cover comprises a first surface towards the top surface; the base comprises a second surface towards the bottom surface; the base is provided with a second accommodating space which is coaxial with the first accommodating space; the top surface is provided with at least two first grooves and each groove forms a first blocking part together with the first accommodating space; the bottom surface extends to form at least two first protruding parts towards the second surface; the first surface extends to form at least two second protruding parts towards the top surface, and the at least two second protruding parts correspond to the at least two first protruding parts; the second surface is provided with at least two second grooves corresponding to the at least two first protruding parts and each second groove forms a second blocking part together with the second accommodating space; and each second protruding part is glued inside the corresponding first groove, and each protruding part is glued inside the corresponding second groove.
Description
Technical field
The present invention relates to a kind of drive unit, the voice coil motor excessive glue can being avoided to have an impact to other elements when particularly relating to a kind of some glue assembling.
Background technology
Voice coil motor (Voice Coil Motor, VCM) is suitable as the short distance drive unit in electronic product (as digital camera, mobile phone, Digital Video etc.).(refer to Designof a voice coil motor used in the focusing system of a digitalvideo camera, Magnetics, IEEE Transactions on Volume 41, Issue10, Oct.2005 Page (s): 3979-3981).
Usually, voice coil motor comprise four sidewalls be equiped with magnetic part fixed mount, one be provided with coil groups and be contained in the movable frame in this fixed mount, first shell fragment, upper cover, second shell fragment and a base.This upper cover and this first shell fragment are all fixedly arranged on the top of this fixed mount, and this first Spring sheet clip is between this upper cover and top of this fixed mount.This base and this second shell fragment are all fixedly arranged on the bottom of this fixed mount, and this second Spring sheet clip is between this base and bottom of this fixed mount.
But when assembling, this upper cover is assembled on this fixed mount by some glue after this first shell fragment is fixed on the top of this fixed mount, and the bottom that this fixed mount is fixed on this fixed mount at this second shell fragment is assembled on this base by some glue afterwards.This kind of some glue fixed form can produce excessive glue usually, and the glue overflowed can affect the installation of the first shell fragment, the second shell fragment or even movable frame, thus reduces the assembling yield of voice coil motor.
Summary of the invention
In view of this, be necessary to provide a kind of voice coil motor, it can avoid excessive glue to have an impact to other element when assembling, thus ensures the assembling yield of voice coil motor.
A kind of voice coil motor, it comprise a fixed mount with relative end face and bottom surface, one be fixed on the upper cover of this end face and the base of this bottom surface of carrying.This fixed mount offers first receiving space.This upper cover comprises the first surface towards this end face.This base comprises towards second of this bottom surface, and this base offers second receiving space coaxial with this first receiving space.This end face offers at least two the first grooves, and forms first stop part between each first groove and this first receiving space.This bottom surface is extended with at least two the first protuberances towards this second face.This first surface is extended with at least two second protuberances corresponding with described at least two the first grooves towards this end face.This second face offers at least two second grooves corresponding with described at least two the first protuberances, and forms second stop part between each second groove and this second receiving space.Each second protuberance is glued in the first corresponding groove, and each first protuberance is glued in the second corresponding groove.
Compared to prior art, this voice coil motor is by being carried in the first groove by the second protuberance, and carry out a glue again after being carried on by the first protuberance in the second groove and realize upper cover, fixing between fixed mount and base, glue is contained in this first groove and this second groove do not overflow completely, or the glue that may overflow is stopped by this first stop part and this second stop part respectively, the glue avoiding spilling impacts other elements be contained in this first receiving space and this second receiving space, thus promote the assembling yield of voice coil motor.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of voice coil motor of the present invention.
Fig. 2 is the decomposing schematic representation of voice coil motor of the present invention.
Fig. 3 is the decomposing schematic representation at another visual angle of voice coil motor of the present invention.
Main element symbol description
Voice coil motor 100
Fixed mount 10
End face 12
First groove 122
First stop part 123
Engaging post 124
Bottom surface 14
First protuberance 142
Reference column 144
The first side wall 15
First accepting hole 150
Second sidewall 16
Second accepting hole 160
3rd sidewall 17
3rd accepting hole 170
4th sidewall 18
4th accepting hole 180
First receiving space 10a
Magnet assembly 20
First magnet 22
Second magnet 24
3rd magnet 26
4th magnet 28
Upper cover 30
First surface 32
Second protuberance 34
First through hole 36
Base 40
Second receiving space 40a
Second face 42
Second groove 422
Second stop part 423
Second through hole 44
Guide hole 46
First shell fragment 50
First movable part 52
First fixed part 54
Third through-hole 542
First kink 56
Second shell fragment 60
Second movable part 62
Second fixed part 64
Fourth hole 642
Second kink 66
Conducting connection terminal 68
Embodiment
To be described in further detail embodiment of the present invention below in conjunction with accompanying drawing.
Refer to Fig. 1, be a kind of voice coil motor 100 provided by the invention, this voice coil motor 100 is suitable as electronic component, such as, short distance drive unit in digital camera, mobile phone, Digital Video.This voice coil motor 100 comprise one have end face 12 and with fixed mount 10, magnet assembly 20, upper cover 30, base 40, first shell fragment, 50, second shell fragment 60 of this end face 12 opposing bottom surface 14 and a movable frame (not shown).This upper cover 30 is fixed on this end face 12, and this bottom surface 14 is carried on this base 40.
See also Fig. 2 and Fig. 3, the roughly rectangular frame of this fixed mount 10, this fixed mount 10 comprises a first side wall 15, second sidewall 16, the 3rd sidewall 17 and the 4th sidewall 18.Four sidewall 15,16,17,18 vertical connections also surround a first receiving space 10a, and each sidewall offers an accepting hole respectively.Particularly, this first side wall 15 offers first accepting hole 150, and this second sidewall 16 offers second accepting hole the 160, three sidewall 17 and offers the 3rd accepting hole the 170, four sidewall 18 and offer the 4th accepting hole 180.Described four accepting holes 150,160,170 and 180 are all communicated with this first receiving space 10a.
This end face 12 offers four the first grooves 122, and described four the first grooves 122 lay respectively at the top of four sidewalls 15,16,17 and 18 correspondence, be formed with first stop part 123 between each first groove 122 and this first receiving space 10a, namely this first stop part 123 is a sidewall of the first groove 122.Four corners of this end face 12 are extended with four engaging posts 124 towards the direction of this upper cover 30.In present embodiment, described first groove 122 is towards the open groove in the side away from this first receiving space 10a, be towards the breach away from this first receiving space 10a, and each first groove 122 is roughly positioned at the centre position at the top of corresponding sidewall, described four engaging posts 124 are for being uniformly distributed in four corners of this end face 12.
This bottom surface 14 is extended with three the first protuberances 142 and four reference columns 144 on the direction of this base 40.Described three the first protuberances 142 lay respectively at the bottom of the first side wall 15, the 3rd sidewall 17 and the 4th sidewall 18 correspondence.In present embodiment, each first protuberance 142 is roughly positioned at the centre position of the bottom of corresponding sidewall, and described four reference columns 144 are for being uniformly distributed in four corners of this bottom surface 14.
This magnet assembly 20 comprises four magnet, is respectively the first magnet 22, second magnet 24, the 3rd magnet 26 and the 4th magnet 28.This first magnet 22 is contained in this first accepting hole 150, and this second magnet 24 is contained in this second accepting hole 160, and the 3rd magnet 26 is contained in the 3rd accepting hole 170, and the 4th magnet is contained in the 4th accepting hole 180.
This upper cover 30 is roughly in the rectangle frame corresponding with this fixed mount 10.Four the second protuberances 34 that this upper cover 30 comprises the first surface 32 relative with this end face 12 and extends from this first surface 32 towards this end face 12, described four the second protuberances 34 are corresponding with described four the first grooves 122.This upper cover 30 offers first through hole 36 corresponding with described four engaging posts 124.
This base 40 is roughly the rectangle frame corresponding with this fixed mount 10 and offers a second receiving space 40a, and this second receiving space 40a and this first receiving space 10a is coaxial.This base 40 comprises second face 42 relative with this bottom surface 14.This second face 42 offers three second grooves 422 corresponding with described three the first protuberances 142, all be formed with second stop part 423 between each second groove 422 and this second receiving space 40a, namely this second stop part 423 is a sidewall of this second groove 422.This base 40 also offers four second through holes 44 corresponding with described four reference columns 144, this base 40 does not offer the second groove 422 on offer two guide holes 46.In present embodiment, described second groove 422 is towards the open groove in the side away from this second receiving space 40a, is towards the breach away from the side of this second receiving space 40a.
This movable frame is hollow frame, and its surrounding is wound with coil groups (not shown), this movable frame to be contained in this first receiving space 10a and to have certain interval with this fixed mount 10, and this gap provides deformation space for this first shell fragment 50 and this second shell fragment 60.This coil groups is corresponding with this magnet assembly 20.This movable frame is used for accommodating optical mirror slip, the elements such as image sensor.
This first shell fragment 50 comprises first movable part 52, four the first fixed parts 54 and four the first kinks 56.This first movable part 52 is fixedly arranged on the top of this movable frame.Described first fixed part 54 is fixedly arranged on this end face 12, and each first fixed part 54 offers a third through-hole 542 respectively, and described third through-hole 542 engages post 124 coordinate with described.Described first kink 56 connects four sides of the first corresponding fixed part 54 to this first movable part 52 respectively.
This second shell fragment 60 is roughly the same with the structure of this first shell fragment 50.This second shell fragment 60 comprises second movable part 62, four the second fixed parts, 64, four the second kinks 66 and two conducting connection terminals 68.This second movable part 62 is fixedly arranged on the bottom of this movable frame.Described second fixed part 64 is fixedly arranged on this bottom surface 14, and each second fixed part 64 offers a fourth hole 642 respectively, and described fourth hole 642 coordinates with described reference column 144.Described second kink 66 connects four sides of the second corresponding fixed part 64 to this second movable part 62 respectively.This conducting connection terminal 68 is connected with external circuit through after described guide hole 46.
When assembling this voice coil motor 100, this movable frame is installed in the first receiving space 10a of this fixed mount 10, this the first movable part 52 is fixedly arranged on the top of this movable frame, and described engaging post 124 is sticked in corresponding third through-hole 542 with the end face 12 making this first shell fragment 50 be connected to this movable frame and this fixed mount 10.This second movable part 62 is fixedly arranged on the bottom of this movable frame, and described reference column 144 is sticked in corresponding fourth hole 642 with the bottom surface 14 making this first shell fragment 50 be connected to this movable frame and this fixed mount 10.This upper cover 30 is sticked in the first corresponding through hole 36 by described engaging post 124, and described second protuberance 34 is carried in the first corresponding groove 122, then a glue is carried out to the second protuberance 34 in this first groove 122 realizes the end face 12 that this upper cover 30 is fixed on this fixed mount 10.Described reference column 144 is sticked in the second corresponding through hole 44, and described first protuberance 142 is carried in described second groove 422, then carries out a glue to the first protuberance 142 in the second groove 422 and realize this fixed mount 10 and be fixed on this base 40.Meanwhile, this conducting connection terminal 68 passes to realize the connection with external circuit from the guide hole 46 of this base 40.When glue, glue is contained in this first groove 122 and this second groove 422 and does not overflow completely, or the glue that may overflow is stopped by this first stop part 123 and this second stop part 423 respectively, avoid glue to overflow in this first receiving space 10a and this second receiving space 40a and impact other elements be contained in this first receiving space 10a and this second receiving space 40a (first shell fragment 50, second shell fragment 60 and movable frame), thus promote the assembling yield of voice coil motor 100.
Voice coil motor 100 of the present invention is by being carried in the first groove 122 by the second protuberance 34, and carry out a glue again after being carried on by the first protuberance 142 in second groove 422 and realize upper cover 30, fixing between fixed mount 10 and base 40, glue is contained in this first groove 122 and this second groove 422 do not overflow completely, or the glue that may overflow is stopped by this first stop part 123 and this second stop part 423 respectively, the glue avoiding spilling impacts other elements be contained in this first receiving space 10a and this second receiving space 40a, thus promote the assembling yield of voice coil motor 100.
Be appreciated that, first groove 122 and the second groove 422 are not limited to groove open for side in present embodiment, also can be the groove that four sides are all closed, when the groove open for side, during assembling voice coil motor, glue may overflow towards open side, and glue also just may exist loss, causes waste.If the groove that four sides are all closed, as long as depth of groove is enough dark, glue all can be contained in completely in groove and can't overflow, and now can save glue.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection range that all should belong to the claims in the present invention with distortion.
Claims (9)
1. a voice coil motor, it comprises one and has relative end face and the fixed mount of bottom surface, one is fixed on the upper cover of this end face and the base of this bottom surface of carrying, this fixed mount offers first receiving space, this upper cover comprises the first surface towards this end face, this base comprises towards second of this bottom surface, this base offers second receiving space coaxial with this first receiving space, it is characterized in that, this end face offers at least two the first grooves, and form first stop part between each first groove and this first receiving space, this bottom surface is extended with at least two the first protuberances towards this second face, this first surface is extended with at least two second protuberances corresponding with described at least two the first grooves towards this end face, this second face offers at least two second grooves corresponding with described at least two the first protuberances, and form second stop part between each second groove and this second receiving space, each second protuberance is glued in the first corresponding groove, each first protuberance is glued in the second corresponding groove.
2. voice coil motor as claimed in claim 1, is characterized in that, described at least two the first grooves are the groove that side opens, and described at least two the second grooves are the second groove that side opens.
3. voice coil motor as claimed in claim 1, it is characterized in that, described at least two the first grooves are the groove that four sides are all closed, and described at least two the second grooves are the groove that four sides are all closed.
4. voice coil motor as claimed in claim 2 or claim 3, it is characterized in that, the rectangular frame of this fixed mount and comprise a first side wall, the second sidewall, the 3rd sidewall and the 4th sidewall, these four sidewalls surround this first receiving space, each sidewall all offers an accepting hole, and each accepting hole is all communicated with this first receiving space.
5. voice coil motor as claimed in claim 4, it is characterized in that, this voice coil motor also comprises the movable frame that a magnet assembly and are provided with coil groups, this magnet assembly comprises four magnet be contained in respectively in described four accepting holes, and this movable frame to be contained in this first receiving space and to make this coil groups corresponding with this magnet assembly.
6. voice coil motor as claimed in claim 5, it is characterized in that, this end face is extended with at least two engaging posts on the direction of this upper cover, this upper cover is roughly in the rectangle frame corresponding with this fixed mount, this upper cover offers at least two first through holes corresponding with described at least two engaging posts, and this upper cover is sticked in the first corresponding through hole by described at least two engaging posts and is positioned on this end face.
7. voice coil motor as claimed in claim 6, it is characterized in that, this bottom surface is extended with at least two reference columns towards the direction of this base, this base is roughly in the rectangle frame corresponding with this fixed mount, this base offers at least two second through holes corresponding with described at least two reference columns, and this base is sticked in the second corresponding through hole by described at least two reference columns and is positioned on this bottom surface.
8. voice coil motor as claimed in claim 6, it is characterized in that, this voice coil motor also comprises first shell fragment, this first shell fragment offers at least two third through-holes matched with described at least two engaging posts, and this first shell fragment is sticked in corresponding third through-hole by described at least two engaging posts and is fixed on this end face.
9. voice coil motor as claimed in claim 7, it is characterized in that, this voice coil motor also comprises second shell fragment, this second shell fragment offers at least two fourth holes matched with described at least two reference columns, and this second shell fragment is sticked in corresponding fourth hole by described at least two reference columns and is fixed on this bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010140892.7A CN102214967B (en) | 2010-04-07 | 2010-04-07 | VCM (voice coil motor) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010140892.7A CN102214967B (en) | 2010-04-07 | 2010-04-07 | VCM (voice coil motor) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102214967A CN102214967A (en) | 2011-10-12 |
| CN102214967B true CN102214967B (en) | 2015-06-03 |
Family
ID=44746134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010140892.7A Expired - Fee Related CN102214967B (en) | 2010-04-07 | 2010-04-07 | VCM (voice coil motor) |
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| Country | Link |
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| CN (1) | CN102214967B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518634B (en) * | 2013-09-27 | 2017-11-21 | 南昌欧菲光电技术有限公司 | Shell fragment and voice coil motor assembly |
| CN106707663A (en) * | 2015-11-17 | 2017-05-24 | 南昌欧菲光电技术有限公司 | Camera module |
| CN113675982A (en) * | 2020-05-15 | 2021-11-19 | 广东威灵电机制造有限公司 | Rotating electrical machine and fan |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107452Y (en) * | 2007-12-03 | 2008-08-27 | 亚洲光学股份有限公司 | Lens groups |
| CN101551502A (en) * | 2008-04-03 | 2009-10-07 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN101567614A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN101640466A (en) * | 2008-07-31 | 2010-02-03 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008268476A (en) * | 2007-04-19 | 2008-11-06 | Tricore Corp | Voice coil type lens drive device |
-
2010
- 2010-04-07 CN CN201010140892.7A patent/CN102214967B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107452Y (en) * | 2007-12-03 | 2008-08-27 | 亚洲光学股份有限公司 | Lens groups |
| CN101551502A (en) * | 2008-04-03 | 2009-10-07 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN101567614A (en) * | 2008-04-25 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN101640466A (en) * | 2008-07-31 | 2010-02-03 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
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| Publication number | Publication date |
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| CN102214967A (en) | 2011-10-12 |
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