CN103728712A - Lens driving motor structure - Google Patents
Lens driving motor structure Download PDFInfo
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- CN103728712A CN103728712A CN201310742670.6A CN201310742670A CN103728712A CN 103728712 A CN103728712 A CN 103728712A CN 201310742670 A CN201310742670 A CN 201310742670A CN 103728712 A CN103728712 A CN 103728712A
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- lens
- motor structure
- octagon
- spring silk
- lens carrier
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Abstract
The invention discloses a lens driving motor structure. The lens driving motor structure comprises a base and a square iron shell, wherein the base and the square iron shell are arranged in a matched mode, a frame is arranged in the square iron shell, magnets are arranged on the four corners of the frame respectively, a lens carrier is arranged in the square iron shell, a coil is arranged on the outer side of the lens carrier, and a front spring piece and a rear spring piece are arranged on the front side and the rear side of the lens carrier respectively. The lens driving motor structure is characterized in that the outer side face of the lens carrier is a regular octagon, and the coil on the outer side of the lens carrier is also a regular octagon. An octagon hole is formed in the front end of the square iron shell, and turnup edges are arranged on the four bevel edges of the octagon hole. The lens driving motor structure has the advantages that the utilization rate of the coil can be improved effectively, and driving force of a driving motor can be enhanced.
Description
Technical field
The present invention relates to the technical field of CD-ROM drive motor, specifically a kind of lens CD-ROM drive motor structure, particularly its motor mechanical connecting structure.
Background technology
Along with the functional diversities of digital product, the digital equipment of video camera or camera is equipped with, as mobile phone, multimedia player etc., obtain high speed development and widespread use.Above-mentioned video camera or camera, can adopt the camera lens of the adjustable or automatic focusing of focal length conventionally, and the process regulating is the position that changes camera lens, for driving lens moving normally to use CD-ROM drive motor.
Its drive unit of focusing of traditional camera generally includes stepper motor, gear, the member such as cam and connecting rod forms, a kind of lens construction with stable automatic focusing function as disclosed in Chinese patent literature CN2938165Y, comprise housing, motor, the first gear, the second gear, camera lens module and elastic parts, described motor is arranged in this housing, described the first gear is arranged in this housing and is fixed on the axle center of this motor, described the second gear is arranged in this housing and vertically meshes together with this first gear, the upper surface of described the second gear has a helical ramp, described camera lens module is arranged in this housing, and camera lens module has a projection contacting with the helical ramp of the second gear.Wherein relate to numerous parts such as motor, two gears, housing, screw inclined plane, projection, camera lens module, make the size of camera larger, driven loads, is therefore difficult to adapt to the trend of dress miniaturization.
In order to adapt to the requirement of camera miniaturization, adopt more and more a kind of drive unit that utilizes magnetic field to produce power.At Chinese invention patent number, be in a kind of lens driver of ZL200410017724.3 in disclosed scheme, comprise that one is arranged on the tubular magnet yoke ring on base, in this magnet yoke ring, be mounted with magnetite and coil, this coil inner circumferential side is provided with the lens with lens supports body, it is inner that described magnetite and coil are placed in this magnet yoke ring, this coil is fixed in the periphery of lens supports body of this magnet yoke ring inner circumferential side, this lens supports body stretches in described tubular magnet yoke ring and can in this magnet yoke ring, move, described lens driver also comprises annular front side reed and rear side reed, their outer circumferential side end is fixedly connected with the front side of described magnet yoke ring, also has a small cap, this small cap is fixed on end, reed inner circumferential side, described front side on described lens supports body front side, also has a framework, this framework is fixed on reed outer circumferential side end, described front side on the front side of described magnet yoke ring.
Said lens drive unit utilizes the electromagnetic induction effect of magnetite, make to be placed in the middle lens supports body of magnet yoke ring and be subject to parallel electromagnetic force generation displacement, the front side reed and the rear side reed that are placed in lens supports body produce reacting force simultaneously, when the electromagnetic force on acting on lens supports body and reed elastic force reach balance, this lens supports body remains on certain position; Be that the electromagnetic force producing after described coil electricity resists mutually in the acting force of described front side reed and rear side reed, order about described lens supports body and move to optical axis direction.
Although existing lens driver can move by both sides reed restriction lens supports body before and after it, make it to have resistance to jolting and impact property the good image quality of tool.But the driving force of finding in actual use this lens driver is strong not, and stability factor is not high, and dust-proof effect is also not satisfactory.
Summary of the invention
The object of this invention is to provide the lens CD-ROM drive motor that a kind of driving force is stronger, effectively improved the utilization factor of coil, promoted the stability of magnetic field intensity and operation, motor integrated degree is higher, and mounted inside mode is compacter.
To achieve these goals, technical scheme of the present invention is: a kind of lens CD-ROM drive motor structure, comprise base, the square iron-clad being equipped with base, in square iron-clad, framework is set, on four angles of framework, magnetite is set respectively, in square iron-clad, lens carrier is set, lens carrier arranged outside has coil, the front side of lens carrier and rear side are respectively equipped with front side reed and rear side reed, the lateral surface that it is characterized in that described lens carrier is octagon, and the coil in lens carrier outside is also octagon.Described front side reed comprises square gabarit and circular interior wide, and the place, four angles of described square gabarit is respectively by a U-shaped spring silk and circular interior wide connection.Described rear side reed comprises interior exterior feature, the inwall of described interior exterior feature is circular, outer wall is octagon, described interior exterior feature is put together by symmetrically arranged interior exterior feature and lower interior exterior feature, the outside of described interior exterior feature and lower interior exterior feature is respectively arranged with two gabarits, and every gabarit is all connected by a spring silk interior wide outer wall corresponding with being adjacent that piece gabarit.The front end of described square iron-clad offers octagon hole, and four hypotenuses in described octagon hole are provided with flange.Base is provided with circular hole, and circular hole inner side arranges the dustproof ring matching with lens carrier, for dust, carries out management and control, prevents that dust from entering.
Lens carrier lateral surface of the present invention is octagon, and coil is also octagon, can coordinate better, thereby effectively improve the utilization factor of coil with the magnetite in being arranged on square iron-clad.Four hypotenuses in the octagon hole of same square iron-clad arrange flange, compare with circular arc flange is set on original iron-clad, have reduced the gap between flange and magnetite, have effectively increased magnetic field intensity; Stability when single spring silk structure of front side reed and rear side reed increases motor operation, has further improved optical axis performance.Therefore, the invention has the advantages that the utilization factor that can effectively improve coil, further strengthen the driving force of this CD-ROM drive motor, and by dustproof construction is set, effectively promoted safety coefficient and the stability factor of product.
Accompanying drawing explanation
Fig. 1 is CD-ROM drive motor explosion figure of the present invention.
Fig. 2 is CD-ROM drive motor general assembly drawing of the present invention.
Fig. 3 is CD-ROM drive motor side view of the present invention
Fig. 4 is iron casing structure schematic diagram of the present invention.
Fig. 5 is understructure schematic diagram of the present invention.
Fig. 6 is base side view of the present invention.
Fig. 7 is loop construction schematic diagram of the present invention.
Fig. 8 is front side of the present invention reed structure schematic diagram.
Fig. 9 is rear side reed structure schematic diagram of the present invention.
Figure 10 is stator module structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is elaborated.
As shown in Figure 1, a kind of lens CD-ROM drive motor structure, comprise base 8, with the square iron-clad 1 that base 8 is equipped with, the interior framework that arranges of square iron-clad 1, on four angles of framework, magnetite 4 is set respectively, the interior lens carrier 6 that arranges of square iron-clad 1, lens carrier 6 arranged outside have coil 5, and the front side of lens carrier 6 and rear side are respectively equipped with front side reed 3 and rear side reed 7, the lateral surface that it is characterized in that described lens carrier 6 is octagon, and the coil 5 in lens carrier 6 outsides is also octagon.
As shown in Figure 4, the front end of square iron-clad 1 offers octagon hole, and four hypotenuses in described octagon hole are provided with the flange 9 of turnover backward, and the formed folding portion 18 of this flange is a plane.With on original iron-clad, circular port is set, circular port side arranges the structure of circular arc flange and compares, and has reduced the gap between flange and magnetite, has increased magnetic field intensity.
Fig. 5 is the structural representation of base 8, and base 8 centers arrange circular hole, at the medial surface of circular hole, is provided with protruding dustproof ring 10, matches with lens carrier 6, for dust, carries out management and control, prevents that dust from entering.
Fig. 7 is the structural representation of coil 5.Due to the interior framework 2 that arranges of square iron-clad 1, on four angles of framework 2, magnetite 4 is set respectively, in order to coordinate better with this magnetite 4, thereby effectively improve the utilization factor of coil 5, the lateral surface of the lens carrier 6 in the present invention is octagon, and the coil 5 in lens carrier 6 outsides is also octagon.
Fig. 8 is the structural representation of front side reed 3.Described front side reed 3 comprises square gabarit 11 and circular interior exterior feature 12, and the place, four angles of described square gabarit 11 is connected with circular interior exterior feature 12 by a U-shaped spring silk 13 respectively.The gabarit of front side reed is between magnetite 4 and framework 2, and the interior exterior feature of front side reed contacts with lens carrier 6.
Fig. 9 is the structural representation of rear side reed 7.Described rear side reed comprises interior exterior feature, the inwall of described interior exterior feature is circular, outer wall is octagon, described interior exterior feature is put together by symmetrically arranged interior wide 14 and lower interior wide 15, the outside of two hypotenuses of described interior wide 14 outer walls and two hypotenuses of lower interior wide outer wall is respectively arranged with a gabarit 16, every gabarit is all connected by a spring silk 17 interior wide outer wall relative with being adjacent that piece gabarit, in, the gabarit in a hypotenuse outside of wide octagon outer wall is connected with the interior wide octagon outer wall hypotenuse adjacent with described hypotenuse by a spring silk, single spring silk covers 1/4th of described interior wide octagon outer wall.
The gabarit of rear side reed contacts with base, and the interior exterior feature of rear side reed contacts with lens carrier.
In the specific implementation, the U-shaped end of described U-shaped spring silk forms a sharp knuckle 19 and a blunt knuckle 20, wherein close circular interior wide sharp knuckle is higher than blunt knuckle, spring silk portion 21 and circular interior wide connection are extended by a straight line in one end of U-shaped spring silk, this straight line extends spring silk portion and forms a vertical knuckle 22 with before circular interior wide tie point, and the spring silk place before the tie point of the U-shaped spring silk other end and square gabarit forms the kink 23 of an oblique inner side.Said structure can effectively promote the operation stability of motor.
Figure 10 is the structural representation of stator module.As shown in the figure, the interior framework 2 that arranges of square iron-clad 1, four angles of framework 2 arrange magnetite 4, and the gabarit of front side reed 3 is arranged between magnetite 4 and framework 2, and square iron-clad 1, framework 2, front side reed 3 and magnetite 4 have formed the stator module of this CD-ROM drive motor jointly.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that the concrete enforcement of the present invention is confined to above-mentioned these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. a lens CD-ROM drive motor structure, comprise base, the square iron-clad being equipped with base, in this square iron-clad, framework is set, on four angles of framework, magnetite is set respectively, in square iron-clad, lens carrier is set, lens carrier arranged outside has coil, the front side of lens carrier and rear side are respectively equipped with front side reed and rear side reed, it is characterized in that: the lateral surface of described lens carrier is octagon, and the coil in lens carrier outside is also octagon.
2. by a kind of lens CD-ROM drive motor structure claimed in claim 1, it is characterized in that: described front side reed comprises square gabarit and circular interior wide, the place, four angles of described square gabarit is respectively by a U-shaped spring silk and circular interior wide connection.
3. by a kind of lens CD-ROM drive motor structure claimed in claim 1, it is characterized in that: described rear side reed comprises interior exterior feature, the inwall of described interior exterior feature is circular, outer wall is octagon, described interior exterior feature is put together by symmetrically arranged interior exterior feature and lower interior exterior feature, the outside of described interior exterior feature and lower interior exterior feature is respectively arranged with two gabarits, and every gabarit is all connected by a spring silk interior wide outer wall corresponding with being adjacent that piece gabarit.
4. by a kind of lens CD-ROM drive motor structure claimed in claim 1, it is characterized in that: the front end of described square iron-clad offers octagon hole, four hypotenuses in described octagon hole are provided with flange, and the formed folding portion of this flange is a plane.
5. by a kind of lens CD-ROM drive motor structure claimed in claim 1, it is characterized in that: base is provided with circular hole, circular hole inner side arranges the dustproof ring matching with lens carrier.
6. by a kind of lens CD-ROM drive motor structure claimed in claim 2, it is characterized in that: the U-shaped end of described U-shaped spring silk forms a sharp knuckle and a blunt knuckle, wherein close circular interior wide sharp knuckle is higher than blunt knuckle, spring silk portion and circular interior wide connection are extended by a straight line in one end of U-shaped spring silk, this straight line extends spring silk portion and forms a vertical knuckle with before circular interior wide tie point, and the spring silk place before the tie point of the U-shaped spring silk other end and square gabarit forms the kink of an oblique inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742670.6A CN103728712A (en) | 2013-12-30 | 2013-12-30 | Lens driving motor structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742670.6A CN103728712A (en) | 2013-12-30 | 2013-12-30 | Lens driving motor structure |
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| CN103728712A true CN103728712A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310742670.6A Pending CN103728712A (en) | 2013-12-30 | 2013-12-30 | Lens driving motor structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914546A (en) * | 2015-05-19 | 2015-09-16 | 苏州久易光电科技有限公司 | Anti-torsion lens driving device |
| CN105511048A (en) * | 2015-12-29 | 2016-04-20 | 上海比路电子有限公司 | Optical anti-shake driver |
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| JP2009271204A (en) * | 2008-05-01 | 2009-11-19 | Minebea Co Ltd | Lens drive unit |
| CN101630889A (en) * | 2008-07-15 | 2010-01-20 | 鸿富锦精密工业（深圳）有限公司 | Flat elastic sheet and voice coil motor |
| CN102135656A (en) * | 2010-01-26 | 2011-07-27 | 日本电产三协株式会社 | Lens driving device |
| US20110205648A1 (en) * | 2010-02-22 | 2011-08-25 | Nidec Sankyo Corporation | Lens drive device |
| CN102223047A (en) * | 2006-11-23 | 2011-10-19 | Lg伊诺特有限公司 | Lens driving apparatus |
| CN102331614A (en) * | 2010-07-07 | 2012-01-25 | 思考电机（上海）有限公司 | Lens drive device, automatic focus camera and mobile terminal device |
| CN102411188A (en) * | 2010-09-21 | 2012-04-11 | 思考电机（上海）有限公司 | Lens Driving Device, Camera Capable Of Automatically Focusing And Mobile Terminal Having Photo Taking Function |
| JP2012173713A (en) * | 2011-02-24 | 2012-09-10 | Shicoh Engineering Co Ltd | Lens drive device, autofocus camera and mobile terminal device with camera |
| CN103064168A (en) * | 2013-01-15 | 2013-04-24 | 上海比路电子有限公司 | Lens driving motor |
| CN203630428U (en) * | 2013-12-30 | 2014-06-04 | 上海比路电子有限公司 | A lens driving motor structure |
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2013
- 2013-12-30 CN CN201310742670.6A patent/CN103728712A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223047A (en) * | 2006-11-23 | 2011-10-19 | Lg伊诺特有限公司 | Lens driving apparatus |
| JP2009271204A (en) * | 2008-05-01 | 2009-11-19 | Minebea Co Ltd | Lens drive unit |
| CN101630889A (en) * | 2008-07-15 | 2010-01-20 | 鸿富锦精密工业（深圳）有限公司 | Flat elastic sheet and voice coil motor |
| CN102135656A (en) * | 2010-01-26 | 2011-07-27 | 日本电产三协株式会社 | Lens driving device |
| US20110205648A1 (en) * | 2010-02-22 | 2011-08-25 | Nidec Sankyo Corporation | Lens drive device |
| CN102331614A (en) * | 2010-07-07 | 2012-01-25 | 思考电机（上海）有限公司 | Lens drive device, automatic focus camera and mobile terminal device |
| CN102411188A (en) * | 2010-09-21 | 2012-04-11 | 思考电机（上海）有限公司 | Lens Driving Device, Camera Capable Of Automatically Focusing And Mobile Terminal Having Photo Taking Function |
| JP2012173713A (en) * | 2011-02-24 | 2012-09-10 | Shicoh Engineering Co Ltd | Lens drive device, autofocus camera and mobile terminal device with camera |
| CN103064168A (en) * | 2013-01-15 | 2013-04-24 | 上海比路电子有限公司 | Lens driving motor |
| CN203630428U (en) * | 2013-12-30 | 2014-06-04 | 上海比路电子有限公司 | A lens driving motor structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914546A (en) * | 2015-05-19 | 2015-09-16 | 苏州久易光电科技有限公司 | Anti-torsion lens driving device |
| CN105511048A (en) * | 2015-12-29 | 2016-04-20 | 上海比路电子有限公司 | Optical anti-shake driver |
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Address after: Tianchen road Qingpu Industrial Park Qingpu District of Shanghai City, No. 2009, 201799 Applicant after: Cyprus Shanghai electronic Limited by Share Ltd Address before: 201706 Shanghai city Qingpu district Song Ying Songze Avenue Road No. 6658 Applicant before: Shanghai Bilu Electronic Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140416 |