CN103777305B - Camera module and voice coil motor thereof - Google Patents
Camera module and voice coil motor thereof Download PDFInfo
- Publication number
- CN103777305B CN103777305B CN201410056328.5A CN201410056328A CN103777305B CN 103777305 B CN103777305 B CN 103777305B CN 201410056328 A CN201410056328 A CN 201410056328A CN 103777305 B CN103777305 B CN 103777305B
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- Prior art keywords
- sleeve
- shell
- camera module
- lead
- voice coil
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Abstract
The invention discloses a kind of voice coil motor for camera module, including the shell being coaxially disposed and sleeve, described sleeve set is in described shell, it is provided with magnet on described shell, on sleeve, magnet relevant position is provided with coil, also including one or more guide frame, described guide frame guides described sleeve only axially moving along described shell.The invention also discloses a kind of camera module, including lens barrel and eyeglass, eyeglass is arranged in lens barrel, also includes voice coil motor as above, and lens barrel can be arranged on sleeve to mounting or dismounting.The voice coil motor of the present invention uses guide frame, guiding sleeve only axially moving along shell, so that sleeve is not moved in the plane being perpendicular to shell axial direction, the camera lens of camera module of the present invention will not produce skew in the plane be perpendicular to optical axis, thus improves the quality of shooting.
Description
Technical field
The present invention relates to camera module, particularly relate to camera module and voice coil motor thereof.
Background technology
At present, have that volume is little, power consumption is few and the advantage such as cheap, therefore sound due to voice coil motor
Coil motor is widely used in electronic product as actuator, especially (such as mobile phone in camera module
Video camera) actuator substantially use voice coil motor.
Traditional voice coil motor mainly include a fixed mount and one be installed in movably on fixed mount
Sleeve and a shell fragment, shell fragment generally comprises first fixed part, second fixed part and a company
It is connected on the connecting portion between the first fixed part and the second fixed part.First fixed part fixes with fixed mount,
Second fixed part fixes with sleeve, owing to connecting portion has certain elasticity so that the second fixed part phase
Can move the most in the axial direction for the first fixed part, and be perpendicular to the plane of axial direction
On can also move.Use traditional voice coil motor as brake band index glass head mould group operationally, very
It is likely to be due to shell fragment and is being perpendicular in axial plane generation elastic deformation, and make to be contained in sleeve
Camera lens produces certain skew in the plane be perpendicular to optical axis, so that optical axis cannot be focused, thus affects
The quality of shooting.
Summary of the invention
For problems of the prior art, when the purpose of the present invention is for providing one work, only there is axle
To the voice coil motor of relative movement, and by using this voice coil motor can improve the camera of shooting quality
Module.
For achieving the above object, the present invention provides following technical scheme:
A kind of for camera module voice coil motor, including the shell being coaxially disposed and sleeve, described set
Jacket casing is contained in described shell, and described shell is provided with magnet, and sleeve is arranged with magnet relevant position
Having coil, also include one or more guide frame, described guide frame guides described sleeve only along described
Axially moving of shell.
Further, described shell includes access port and is relatively fixed end with access port, also includes running through institute
State access port and the accepting hole of fixing end, the access port of described shell arranges oriented described accepting hole convex
The protuberance gone out, described protuberance arranges the first lead that oriented described fixing end extends, and described first leads
It is parallel to described shell and the axis of described sleeve to post bearing of trend, the corresponding described protuberance of described sleeve
Being provided with the first guiding blind hole on one end, described first lead guides blind hole with described first and cooperatively forms
Guide frame described in one.
Further, also include that base, described base are fixedly set in the fixing end of described shell, and corresponding
Being provided with the second lead on one end of described sleeve, described second lead bearing of trend is parallel to described
Shell and the axis of described sleeve, one end of the corresponding described base of described sleeve is provided with the second guiding blind
Hole, described second lead guides blind hole with described second and cooperatively forms another described guide frame.
Further, in described shell, it is set with guide plate, described guide plate is provided with gathering sill, described
Being provided with guide pad in sleeve outer rim, the formation that is slidably matched of described guide pad and described gathering sill is another described
Guide frame.
Further, described guide plate is integrally formed with described shell.
For achieving the above object, the present invention also provides for following technical scheme:
A kind of camera module, including lens barrel and eyeglass, described eyeglass is arranged in described lens barrel, also includes
Voice coil motor as above, described lens barrel can be arranged on to mounting or dismounting on described sleeve.
Further, described lens barrel is sleeved in described sleeve, and and described sleeve between be threaded connection.
Further, also including shell fragment, described sleeve is provided with locating dowel, described locating dowel is through described
Shell fragment.
Compared with prior art, the voice coil motor of the present invention uses guide frame to the present invention, and guiding sleeve is only
Axially moving along shell, so that sleeve is not sent out in the plane being perpendicular to shell axial direction
Raw mobile, when using the voice coil motor of the present invention as the brake of camera module of the present invention, camera lens exists
It is perpendicular in the plane of optical axis to produce skew, thus improves the quality of shooting.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the present invention is described in further detail:
Fig. 1 is the structural representation of camera module first embodiment of the present invention；
Fig. 2 is the structural representation of camera module the second embodiment of the present invention.
Detailed description of the invention
Embodiment feature of present invention will describe the most in detail with the exemplary embodiments of advantage.Ying Li
Solve is that the present invention can have various changes in different embodiments, and it is all without departing from the present invention's
Scope, and explanation therein and accompanying drawing be inherently illustrated as being used, and be not used to limit the present invention.
First embodiment
As it is shown in figure 1, the camera module of the present embodiment, this camera module can be applicable to mobile phone, PDA and
The electronic products such as notebook, described camera module include shell 11, sleeve 12, base 13, lens barrel 14,
Eyeglass 15, shell fragment 16, magnet and coil 18.Wherein, shell 11, sleeve 12, base 13, magnet
17 and coil 18 form voice coil motor, eyeglass 15 is arranged in lens barrel 14, lens barrel 14 be sleeved on set
Cylinder 12 in, and and sleeve 12 between be threaded connection.
Shell 11 is coaxially disposed with sleeve 12, and this shell 11 is iron-clad, and sleeve 12 is sleeved on shell 11
In, magnet 17 is fixedly mounted on shell 11 inner surface, and coil 18 is around on sleeve 12, passes through magnetic
Body 17 and the magneticaction of coil 18 so that sleeve 12 opposite shell 11 is moved.Shell 11
Being relatively fixed end including access port with access port, base 13 is fixedly mounted on the fixing end of shell 11
In, in order to support the sleeve 12 of activity.
Shell 11 is further opened with running through described access port and the accepting hole of fixing end；The access port of shell 11
On the projecting inward protuberance of oriented accepting hole 111 is set, this protuberance 111 is positioned at the top of sleeve 12, at this
The bottom of protuberance 111 is provided with the first lead 112, this first lead 112 fixing to shell 11
End extends, and bearing of trend is parallel to shell 11 and the axis of sleeve 12.Set on the upper surface of sleeve 12
Being equipped with the first guiding blind hole 121, this first guiding blind hole 121 degree of depth is slightly more than the first lead 112
Height, internal diameter is slightly larger than the external diameter of the first lead 112, and position and the first lead 112 phase
Correspondence, the first lead 112 inserts in the first guiding blind hole 121, and can relatively slide, to sleeve 12
Relative motion guide, it is to avoid there is non axial motion in sleeve 12.
Being provided with the second lead 131 on the upper surface of base 13, the second lead 131 is to shell 11
Access port extend, and bearing of trend is parallel to shell 11 and the axis of sleeve 12.The lower end of sleeve 12
Being provided with the second guiding blind hole 122 on face, this second degree of depth guiding blind hole 122 is led more than second slightly
To the height of post 131, internal diameter is slightly larger than the external diameter of the second lead 131, and position guides with second
Post 131 is corresponding, and the second lead 131 inserts in the second guiding blind hole 122, and can relatively slide,
Relative motion to sleeve 12 guides, it is to avoid sleeve 12 occurs non axial motion.First lead
112 and second lead 131 can be used alone respectively as guide frame, it is possible to use, to carry simultaneously
The high reliability guided, determines according to actual conditions.
Shell fragment 16 is positioned at the top of sleeve 12, is provided with locating dowel 123 on the upper surface of sleeve 12,
This locating dowel 123 fits through shell fragment 16.It addition, the first lead 112 also fits through shell fragment 16,
Shell fragment 16 is made to play connected with outer casing 11 and the effect of sleeve 12.
In the present embodiment, the first lead the 112, second lead 131 and quantity of locating dowel 123
It can be one, it is also possible to be multiple, determine according to actual needs.Sleeve 12 is cylindric, shell
11 is rectangular-shaped, and in other embodiments, the outer rim of sleeve 12 and shell 11 can use cylinder
Face, it is also possible to be arranged as required to the face type into other shapes.
Second embodiment
As in figure 2 it is shown, the camera module of the present embodiment, including shell 21, sleeve 22, base 23,
Lens barrel 24, eyeglass 25, shell fragment 26, magnet 27 and coil 28.Wherein, shell 21, sleeve 22,
Base 23, magnet 27 and coil 28 form voice coil motor, and eyeglass 25 is arranged in lens barrel 24, lens barrel
24 be sleeved in sleeve 22, and and sleeve 22 between be threaded connection.
Shell 21 is coaxially disposed with sleeve 22, and this shell 21 is iron-clad, and sleeve 22 is sleeved on shell 21
In, magnet 27 is fixedly mounted on shell 21, and coil 28 is fixedly mounted on sleeve 22, passes through magnetic
Body 27 and the effect of coil 28 so that sleeve 22 opposite shell 21 is moved.Shell 21 includes
Entering end and fixing end, base 23 is fixedly mounted in the fixing end of shell 21, in order to support the set of activity
Cylinder 22.
In the present embodiment, being set with guide plate 29 in shell 21, this guide plate 29 can be separately provided, also
Can be integrally formed with shell 21.The medial surface of guide plate 29 is provided with gathering sill 291, this guiding
Groove 291 is usually arranged as groove for convenience of processing.The outer rim of sleeve 22 is provided with guide pad 221,
Guide pad 221 and sleeve 22 are integrally formed and protrude from the outer rim of sleeve 22.Guide pad 221 coordinates to be inserted
Being contained in gathering sill 291, and can slide by respective guide slot 291, the relative motion to sleeve 22 guides,
Avoid sleeve 22 that non axial motion occurs.
Shell fragment 26 is positioned at the top of sleeve 22, is provided with locating dowel 222 on the upper surface of sleeve 22,
This locating dowel 222 fits through shell fragment 26.
In the present embodiment, the quantity of guide pad 221 and gathering sill 291 can be one, it is also possible to is
Multiple, determine according to actual needs.The outer rim of sleeve 22 can use the face of cylinder, it is also possible to according to need
It is set to the face type of other shapes.
Technical scheme is disclosed as above by preferred embodiment.Those skilled in the art it should be appreciated that
To institute in the case of without departing from the scope and spirit of the present invention disclosed in appended claims of the invention
The change made and retouching, within all belonging to the scope of the claims of the present invention.
Claims (5)
1. for a voice coil motor for camera module, including the shell being coaxially disposed and sleeve, described set
Jacket casing is contained in described shell, and described shell is provided with magnet, corresponding to described magnet on described sleeve
Position is provided with coil, it is characterised in that described shell includes access port and is relatively fixed with access port
End, also includes running through described access port and the accepting hole of fixing end, the access port of described shell is provided with
On the protuberance that described accepting hole is projecting inward, described protuberance, arrange the first of oriented described fixing end extension lead
Xiang Zhu, described first lead bearing of trend is parallel to described shell and the axis of described sleeve, described set
It is provided with the first guiding blind hole, described first lead and described first on one end of the corresponding described protuberance of cylinder
Guiding blind hole and cooperatively form a guide frame, described guide frame guides described sleeve only along described shell
Axially move.
2. voice coil motor as claimed in claim 1, it is characterised in that also include base, described base
It is fixedly set in the fixing end of described shell, and is provided with the second lead on one end of corresponding described sleeve,
Described second lead bearing of trend is parallel to described shell and the axis of described sleeve, and described sleeve is corresponding
Being provided with the second guiding blind hole on one end of described base, described second lead is blind with described second guiding
Hole cooperatively forms another described guide frame.
3. a camera module, including lens barrel and eyeglass, described eyeglass is arranged in described lens barrel, and it is special
Levying and be, also include voice coil motor as claimed in claim 1 or 2, described lens barrel can mounting or dismounting ground peace
It is contained on described sleeve.
4. camera module as claimed in claim 3, it is characterised in that described lens barrel is sleeved on described set
Cylinder in, and and described sleeve between be threaded connection.
5. camera module as claimed in claim 4, it is characterised in that also include shell fragment, described sleeve
On be provided with locating dowel, described locating dowel pass described shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056328.5A CN103777305B (en) | 2014-02-19 | 2014-02-19 | Camera module and voice coil motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056328.5A CN103777305B (en) | 2014-02-19 | 2014-02-19 | Camera module and voice coil motor thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103777305A CN103777305A (en) | 2014-05-07 |
| CN103777305B true CN103777305B (en) | 2016-09-07 |
Family
ID=50569753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410056328.5A Expired - Fee Related CN103777305B (en) | 2014-02-19 | 2014-02-19 | Camera module and voice coil motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103777305B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2950634C (en) * | 2014-05-30 | 2018-08-28 | Bolymedia Holdings Co. Ltd. | Zoom lens |
| CN104967764A (en) * | 2015-06-16 | 2015-10-07 | 成都西可科技有限公司 | Deviation preventing structure for camera of sport camera |
| WO2017028021A1 (en) | 2015-08-14 | 2017-02-23 | SZ DJI Technology Co., Ltd. | System and method for supporting compact servo system |
| CN106527017A (en) * | 2016-12-09 | 2017-03-22 | 格科微电子（上海）有限公司 | Camera module |
| CN108495021A (en) * | 2018-06-26 | 2018-09-04 | 宁波金晟芯影像技术有限公司 | A kind of dual camera |
| TWI822688B (en) * | 2018-07-06 | 2023-11-21 | 揚明光學股份有限公司 | Main barrel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3824942B2 (en) * | 2002-02-08 | 2006-09-20 | アスモ株式会社 | motor |
| JP4681874B2 (en) * | 2004-12-24 | 2011-05-11 | キヤノン株式会社 | Drive device |
| CN101335479B (en) * | 2007-06-28 | 2010-12-29 | 财团法人工业技术研究院 | Voice coil motor and pre-pressure generating apparatus |
| CN101872056B (en) * | 2009-04-23 | 2013-02-13 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor assembly |
| CN103095090B (en) * | 2011-11-04 | 2017-07-07 | 赛恩倍吉科技顾问（深圳）有限公司 | Voice coil motor and camera lens module |
| CN203705716U (en) * | 2014-02-19 | 2014-07-09 | 南昌欧菲光电技术有限公司 | Camera module group and voice coil motor thereof |
-
2014
- 2014-02-19 CN CN201410056328.5A patent/CN103777305B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN103777305A (en) | 2014-05-07 |
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