CN203705716U - Camera module group and voice coil motor thereof - Google Patents
Camera module group and voice coil motor thereof Download PDFInfo
- Publication number
- CN203705716U CN203705716U CN201420071840.2U CN201420071840U CN203705716U CN 203705716 U CN203705716 U CN 203705716U CN 201420071840 U CN201420071840 U CN 201420071840U CN 203705716 U CN203705716 U CN 203705716U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- shell
- voice coil
- coil motor
- camera module
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a camera module and voice coil motor thereof. The voice coil motor used for the camera module comprises an outer shell and a sleeve which are coaxially arranged, and one or more guide structures, wherein the sleeve is sleeved in the outer shell, the outer shell is provided with a magnet, the sleeve is provided with a coil at a position corresponding to the magnet, and the guide structures guide the sleeve to move only along the axial direction of the outer shell. The utility model further discloses a camera module, which comprises a lens cone, a lens and the voice coil motor, wherein the lens is arranged in the lens cone, and the lens cone can be detachably mounted on the sleeve. The voice coil motor adopts the guide structures to guide the sleeve to move only along the axial direction of the outer shell, so that the sleeve does not move in a plane vertical to the axial direction of the outer shell, and the camera lens of the camera module does not shift on the plane vertical to the optical axis, thereby the shooting quality is improved.
Description
Technical field
The utility model relates to camera module, relates in particular to camera module and voice coil motor thereof.
Background technology
At present, because voice coil motor has that volume is little, power consumption is few and the advantage such as cheap, therefore voice coil motor has been widely used in electronic product as actuator, and especially in camera module, the actuator of (as mobile phone camera) adopts voice coil motor substantially.
Traditional voice coil motor mainly comprises a fixed mount and sleeve and a shell fragment being installed in movably on fixed mount, and shell fragment generally comprises first fixed part, second fixed part and a connecting portion being connected between the first fixed part and the second fixed part.The first fixed part and fixed mount fix, the second fixed part and sleeve fix, because connecting portion has certain elasticity, the second fixed part not only can be moved in the axial direction with respect to the first fixed part, and also can move in the plane of direction perpendicular to axial direction.Use traditional voice coil motor as brake band index glass head mould group in when work, probably because shell fragment, in plane perpendicular to axial direction, elastic deformation occurs, and the camera lens that makes to be contained in sleeve produces certain skew in the plane perpendicular to optical axis, so that optical axis cannot be focused, thus the quality that impact is taken.
Utility model content
For problems of the prior art, only there is the voice coil motor axially relatively moving when a kind of work is provided in the purpose of this utility model, and by using this voice coil motor can improve the camera module of shooting quality.
For achieving the above object, the utility model provides following technical scheme:
A kind of for camera module voice coil motor, comprise shell and the sleeve of coaxial setting, described sleeve set is in described shell, on described shell, be provided with magnet, on sleeve, be provided with coil with magnet relevant position, also comprise one or more guide frames, described guide frame is guided only axially moving along described shell of described sleeve.
Further, described shell comprises comes in and goes out end and holds with discrepancy the end that is relatively fixed, also comprise the accepting hole that runs through described discrepancy end and stiff end, on the discrepancy end of described shell, be provided with the protuberance projecting inward to described accepting hole, on described protuberance, be provided with the first guidepost extending to described stiff end, described the first guidepost bearing of trend is parallel to the axis of described shell and described sleeve, on one end of the corresponding described protuberance of described sleeve, be provided with the first guiding blind hole, described the first guidepost coordinate formation one with described the first guiding blind hole described in guide frame.
Further, also comprise base, described base is fixedly set in described shell stiff end, and on one end of corresponding described sleeve, be provided with the second guidepost, described the second guidepost bearing of trend is parallel to the axis of described shell and described sleeve, on one end of the corresponding described base of described sleeve, be provided with the second guiding blind hole, described the second guidepost coordinates formation guide frame described in another with described the second guiding blind hole.
Further, in described shell, be set with guide plate, on described guide plate, be provided with gathering sill, in described sleeve outer rim, be provided with orienting lug, described orienting lug and described gathering sill are slidably matched and form another described guide frame.
Further, described guide plate and described shell are integrally formed.
For achieving the above object, the utility model also provides following technical scheme:
A kind of camera module, comprises lens barrel and eyeglass, and described eyeglass is arranged in described lens barrel, also comprises voice coil motor as above, and described lens barrel can be installed and removed and be arranged on described sleeve.
Further, described lens barrel is sleeved in described sleeve, and and described sleeve between be threaded connection.
Further, also comprise shell fragment, on described sleeve, be provided with reference column, described reference column is through described shell fragment.
The utility model compared with prior art, voice coil motor of the present utility model adopts guide frame, guiding sleeve is axially moving along shell only, thereby sleeve is not moved in the plane perpendicular to shell axial direction, in the time using voice coil motor of the present utility model as the detent of the utility model camera module, camera lens can not produce skew in the plane perpendicular to optical axis, thereby improves the quality of taking.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model camera module the first embodiment;
Fig. 2 is the structural representation of the utility model camera module the second embodiment.
Embodiment
The exemplary embodiments that embodies the utility model feature & benefits will describe in detail in the following description.Be understood that the utility model can have various variations on different embodiment, it neither departs from scope of the present utility model, and explanation wherein and accompanying drawing be when the use that explain in itself, but not in order to limit the utility model.
The first embodiment
As shown in Figure 1, the camera module of the present embodiment, this camera module can be applicable to the electronic products such as mobile phone, PDA and notebook, and described camera module comprises 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, and eyeglass 15 is arranged in lens barrel 14, lens barrel 14 be sleeved in sleeve 12, and and sleeve 12 between be threaded connection.
Shell 11 coaxially arranges with sleeve 12, and this shell 11 is iron-clad, and sleeve 12 is sleeved in shell 11, magnet 17 is fixedly mounted on shell 11 inside surfaces, coil 18 is around on sleeve 12, by the magneticaction of magnet 17 and coil 18, sleeve 12 opposite shell 11 is moved.Shell 11 comprises comes in and goes out end and holds with discrepancy the end that is relatively fixed, and base 13 is fixedly mounted in the stiff end of shell 11, in order to the sleeve 12 of movable support.
Shell 11 also offers the accepting hole that runs through described discrepancy end and stiff end; On the discrepancy end of shell 11, be provided with the protuberance 111 projecting inward to accepting hole, this protuberance 111 is positioned at the top of sleeve 12, be provided with the first guidepost 112 in the bottom of this protuberance 111, this first guidepost 112 extends to the stiff end of shell 11, and bearing of trend is parallel to the axis of shell 11 and sleeve 12.On the upper surface of sleeve 12, be provided with the first guiding blind hole 121, these the first guiding blind hole 121 degree of depth are slightly slightly larger than the height of the first guidepost 112, internal diameter is slightly larger than the external diameter of the first guidepost 112, and position is corresponding with the first guidepost 112, the first guidepost 112 inserts in the first guiding blind hole 121, and can relative sliding, the relative motion of sleeve 12 is guided, avoid sleeve 12 that non axial motion occurs.
On the upper surface of base 13, be provided with the second guidepost 131, the second guideposts 131 and extend to the discrepancy end of shell 11, and bearing of trend is parallel to the axis of shell 11 and sleeve 12.On the lower surface of sleeve 12, be provided with the second guiding blind hole 122, the degree of depth of this second guiding blind hole 122 is slightly slightly larger than the height of the second guidepost 131, internal diameter is slightly larger than the external diameter of the second guidepost 131, and position is corresponding with the second guidepost 131, the second guidepost 131 inserts in the second guiding blind hole 122, and can relative sliding, the relative motion of sleeve 12 is guided, avoid sleeve 12 that non axial motion occurs.The first guidepost 112 and the second guidepost 131 can use separately as guide frame respectively, also can use simultaneously, to improve the reliability of guiding, determine according to actual conditions.
Shell fragment 16 is positioned at the top of sleeve 12, is provided with reference column 123 on the upper surface of sleeve 12, and this reference column 123 coordinates through shell fragment 16.In addition, the first guidepost 112 also coordinates through shell fragment 16, makes shell fragment 16 play the effect of connected with outer casing 11 and sleeve 12.
In the present embodiment, the quantity of the first guidepost 112, the second guidepost 131 and reference column 123 can be one, can be also multiple, determines according to actual needs.Sleeve 12 is cylindric, and shell 11 is rectangular-shaped, and in other embodiments, the outer rim of sleeve 12 and shell 11 can adopt the face of cylinder, also can be set to as required the face type of other shapes.
The second embodiment
As shown in Figure 2, the camera module of the present embodiment, comprises 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 coaxially arranges with sleeve 22, and this shell 21 is iron-clad, and sleeve 22 is sleeved in shell 21, magnet 27 is fixedly mounted on shell 21, coil 28 is fixedly mounted on sleeve 22, by the effect of magnet 27 and coil 28, sleeve 22 opposite shell 21 is moved.Shell 21 comprises come in and go out end and stiff end, and base 23 is fixedly mounted in the stiff end of shell 21, in order to the sleeve 22 of movable support.
In the present embodiment, be set with guide plate 29 in shell 21, this guide plate 29 can arrange separately, also can be integrally formed with shell 21.On the medial surface of guide plate 29, be provided with gathering sill 291, this gathering sill 291 is set to groove conventionally for convenience of processing.In the outer rim of sleeve 22, be provided with orienting lug 221, orienting lug 221 and sleeve 22 are integrally formed and protrude from the outer rim of sleeve 22.Orienting lug 221 cooperations are inserted in gathering sill 291, and gathering sill 291 slides relatively, and the relative motion of sleeve 22 is guided, and avoids sleeve 22 that non axial motion occurs.
Shell fragment 26 is positioned at the top of sleeve 22, is provided with reference column 222 on the upper surface of sleeve 22, and this reference column 222 coordinates through shell fragment 26.
In the present embodiment, the quantity of orienting lug 221 and gathering sill 291 can be one, can be also multiple, determines according to actual needs.The outer rim of sleeve 22 can adopt the face of cylinder, also can be set to as required the face type of other shapes.
The technical solution of the utility model is disclosed as above by preferred embodiment.Those skilled in the art should recognize change and the retouching the scope and spirit of the present utility model that the appended claim of the utility model discloses, done in the case of not departing from, within all belonging to the protection domain of claim of the present utility model.
Claims (8)
- One kind for camera module voice coil motor, comprise shell and the sleeve of coaxial setting, described sleeve set is in described shell, on described shell, be provided with magnet, on sleeve, be provided with coil with magnet relevant position, it is characterized in that, also comprise one or more guide frames, described guide frame is guided only axially moving along described shell of described sleeve.
- 2. voice coil motor as claimed in claim 1, it is characterized in that, described shell comprises comes in and goes out end and holds with discrepancy the end that is relatively fixed, also comprise the accepting hole that runs through described discrepancy end and stiff end, on the discrepancy end of described shell, be provided with the protuberance projecting inward to described accepting hole, on described protuberance, be provided with the first guidepost extending to described stiff end, described the first guidepost bearing of trend is parallel to the axis of described shell and described sleeve, on one end of the corresponding described protuberance of described sleeve, be provided with the first guiding blind hole, described the first guidepost and described first guiding blind hole coordinates formation one described in guide frame.
- 3. voice coil motor as claimed in claim 2, it is characterized in that, also comprise base, described base is fixedly set in described shell stiff end, and on one end of corresponding described sleeve, be provided with the second guidepost, described the second guidepost bearing of trend is parallel to the axis of described shell and described sleeve, on one end of the corresponding described base of described sleeve, is provided with the second guiding blind hole, and described the second guidepost coordinates formation guide frame described in another with described the second guiding blind hole.
- 4. voice coil motor as claimed in claim 1, it is characterized in that, in described shell, be set with guide plate, on described guide plate, be provided with gathering sill, in described sleeve outer rim, be provided with orienting lug, described orienting lug and described gathering sill are slidably matched and form another described guide frame.
- 5. voice coil motor as claimed in claim 4, is characterized in that, described guide plate and described shell are integrally formed.
- 6. a camera module, comprises lens barrel and eyeglass, and described eyeglass is arranged in described lens barrel, it is characterized in that, also comprises the voice coil motor as described in claim 1-5, and described lens barrel can be installed and removed and be arranged on described sleeve.
- 7. camera module as claimed in claim 6, is characterized in that, described lens barrel is sleeved in described sleeve, and and described sleeve between be threaded connection.
- 8. camera module as claimed in claim 7, is characterized in that, also comprises shell fragment, on described sleeve, is provided with reference column, and described reference column is through described shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071840.2U CN203705716U (en) | 2014-02-19 | 2014-02-19 | Camera module group and voice coil motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071840.2U CN203705716U (en) | 2014-02-19 | 2014-02-19 | Camera module group and voice coil motor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705716U true CN203705716U (en) | 2014-07-09 |
Family
ID=51056133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071840.2U Withdrawn - After Issue CN203705716U (en) | 2014-02-19 | 2014-02-19 | Camera module group and voice coil motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777305A (en) * | 2014-02-19 | 2014-05-07 | 南昌欧菲光电技术有限公司 | Camera module and voice coil motor thereof |
| CN107734237A (en) * | 2017-11-15 | 2018-02-23 | 深圳市道通智能航空技术有限公司 | Picture shooting assembly and the unmanned vehicle with this picture shooting assembly |
-
2014
- 2014-02-19 CN CN201420071840.2U patent/CN203705716U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777305A (en) * | 2014-02-19 | 2014-05-07 | 南昌欧菲光电技术有限公司 | Camera module and voice coil motor thereof |
| CN107734237A (en) * | 2017-11-15 | 2018-02-23 | 深圳市道通智能航空技术有限公司 | Picture shooting assembly and the unmanned vehicle with this picture shooting assembly |
| WO2019095757A1 (en) * | 2017-11-15 | 2019-05-23 | 深圳市道通智能航空技术有限公司 | Photographing component and unmanned aerial vehicle having the photographing component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160907 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |