CN104849832B - A kind of high stability voice coil motor driven for lens - Google Patents
A kind of high stability voice coil motor driven for lens Download PDFInfo
- Publication number
- CN104849832B CN104849832B CN201510254919.8A CN201510254919A CN104849832B CN 104849832 B CN104849832 B CN 104849832B CN 201510254919 A CN201510254919 A CN 201510254919A CN 104849832 B CN104849832 B CN 104849832B
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- Prior art keywords
- square
- lens
- voice coil
- coil motor
- high stability
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
-
- 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
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a kind of high stability voice coil motor driven for lens, including：Square casing, firm banking, pad, lens carrier, the first reed and the second reed, the oriented vertically extending bending member in firm banking direction is set on four angles of the square windowing, first groove corresponding with bending member is respectively arranged with four angles of the square-lens carrier, the bottom end of first lead column is provided with the second groove, the surrounding of first reed is provided with four angles and forms the stator extended in the second groove, and the surrounding of second reed is provided with several first location holes.Through the above way, the high stability voice coil motor driven for lens of the present invention, stability of the lens carrier in mounted lens and when using is high, the edge stationarity of the first reed and the second reed is good, shock resistance, and difficult for drop-off, overall sound construction, long service life.
Description
Technical field
Field, more particularly to a kind of high stability voice coil loudspeaker voice coil driven for lens are driven the present invention relates to cam lens
Motor.
Background technology
Voice coil motor is a kind of motor for being applied to the high pixel minitype digital camera with automatic focusing function.Miniature number
Word camera is applied to such as mobile phone, computer, automobile, security protection, digital camera, panel computer and MP3 player with being not limited to
Etc., the drive device that the motion of its lens is generally filled the post of by motor is taken on, and industry custom is referred to as lens driver, motor
Generally use voice coil motor（English name is：Voice Coil Motor, abbreviation VCM）, voice coil motor driving lens movement
Principle derives from loudspeaker.
With the development of science and technology the structure of Minitype digital camera is more compact, the requirement to voice coil motor is also increasingly
Requirement of the camera that height, particularly smart mobile phone are used above to voice coil motor size is higher, and smart mobile phone uses frequency
It is numerous, to fall unavoidably and collide with, the service life and stability to voice coil motor propose requirement higher.
The content of the invention
The present invention solves the technical problem of a kind of high stability voice coil motor driven for lens is provided, improve
The life-span for using and structural stability.
In order to solve the above technical problems, one aspect of the present invention is：There is provided it is a kind of for lens drive
High stability voice coil motor, including：Square casing, the bottom-open of the square casing, top center is provided with a side
Shape opens a window；Firm banking, is arranged on the bottom of square casing；Pad, the pad is arranged in square casing including one
Square frame and it is arranged on four angles of square frame and is perpendicularly oriented to the first lead column of firm banking；Square-lens carrier, the side
Shape lens carrier is arranged between pad and firm banking, and square-lens carrier outside winding is provided with coil；First spring
Piece, first reed is arranged between square-lens carrier and pad；4 blocks of magnetites, 4 blocks of magnetites are separately positioned on square
On the surrounding inwall of housing；Second reed, second reed is arranged between square-lens carrier and firm banking, the side
The oriented vertically extending bending member in firm banking direction, four angles of the square-lens carrier are set on four angles of shape windowing
On be respectively arranged with first groove corresponding with bending member, the two sides of the bending member form first side portion, described the
The two sides of one groove form the first limiting section, and the first side portion is in contact square to limit with the first limiting section respectively
The rotation of mirror carrier, the second lead column for being perpendicularly oriented to square casing, institute are respectively arranged with four angles of the firm banking
The bottom end for stating the first lead column is provided with the second groove, and the surrounding of first reed is provided with four angles and forms extension
Stator to the second groove, be respectively arranged with the top of second lead column extend to it is convex on the inside of the first lead column
Block, forms the draw-in groove portion corresponding with magnetite two ends between the first adjacent lead column on the pad, second reed
Surrounding is provided with several first location holes, is set on the firm banking and several first locating dowels corresponding with location hole.
In a preferred embodiment of the present invention, the high stability voice coil motor driven for lens also includes and line
The conducting terminal that circle is connected, the conducting terminal is separately positioned on firm banking and extends to firm banking lower section, described
The second location hole is respectively arranged with conducting terminal, corresponding with the second location hole is respectively arranged with the firm banking
Two locating dowels.
In a preferred embodiment of the present invention, the both ends of the surface in the draw-in groove portion are in contact with the end face of magnetite respectively.
In a preferred embodiment of the present invention, be respectively arranged with the outside of first lead column and the second lead column with
The corresponding arcwall face in square casing inner chamber corner.
In a preferred embodiment of the present invention, the square-lens carrier base is provided with a circle chimb, described square
Lens carrier outside is respectively provided with limited location square column on four faces, and the coil is limited between chimb and spacing square column.
In a preferred embodiment of the present invention, the arc positioning that spring silk is bent to form is provided with second reed
Portion, is provided with threeth locating dowel corresponding with arc location division on the firm banking.
In a preferred embodiment of the present invention, the square-lens carrier center position is provided with threaded mounting hole.
In a preferred embodiment of the present invention, the top surface of the square frame is touched and adopted with the back face at the top of square casing
Fixed with glue.
In a preferred embodiment of the present invention, the bending member bottom surface is in contact square to limit with the first groove floor
Displacement of the lens carrier on threaded mounting hole central axis direction.
In a preferred embodiment of the present invention, the top surface of the projection is in contact with the groove bottom of the second groove.
The beneficial effects of the invention are as follows：A kind of high stability voice coil motor driven for lens that the present invention is pointed out, side
Shape housing improves the torsional property of lens carrier and limits its displacement on threaded mounting hole central axis direction so that
Stability of the lens carrier in mounted lens and when using is high, and the edge stationarity of the first reed and the second reed is good, shock resistance,
And sound construction difficult for drop-off, overall, long service life.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, wherein：
Fig. 1 is a kind of structural representation of the preferred embodiment of high stability voice coil motor one driven for lens of the present invention
Figure；
Fig. 2 is the A-A of Fig. 1 to sectional view;
Fig. 3 is the exploded perspective figure of Fig. 1.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Fig. 1 to Fig. 3 is referred to, the embodiment of the present invention includes：
A kind of high stability voice coil motor driven for lens, including：Square casing 1, the bottom of the square casing 1
Open wide, top center is provided with a square windowing 11；Firm banking 2, is arranged on the bottom of square casing 1；Pad 3, institute
Pad 3 is stated including a square frame 32 being arranged in square casing 1 and is arranged on 32 4 angles of square frame and is perpendicularly oriented to solid
Determine the first lead column 31 of base 2, the top surface of the square frame 32 is touched with the back face at the top of square casing 1 and uses glue to consolidate
It is fixed；Square-lens carrier 7, the square-lens carrier 7 is arranged between pad 3 and firm banking 2, the square-lens carrier
7 outside windings are provided with coil 8；First reed 5, first reed 5 is arranged between square-lens carrier 7 and pad 3；4
Block magnetite 4, magnetite 4 is rectangular structure, and 4 blocks of magnetites 4 are separately positioned on the surrounding inwall of square casing 1；Second spring
Piece 6, second reed 6 is arranged between square-lens carrier 7 and firm banking 2.
The vertically extending bending member 12 in the direction of oriented firm banking 2 is set on four angles of the square windowing 11, it is described
First groove 71 corresponding with bending member 12 is respectively arranged with four angles of square-lens carrier 7, the bending member 12
Two sides form first side portion 12a, and the two sides of first groove 71 form the first limiting section 71a, the first side
Portion 12a is in contact to limit the rotation of square-lens carrier 7 respectively with the first limiting section 71a, improves torsional property, described square
The center of lens carrier 7 is provided with threaded mounting hole, for mounted lens, survivable square-lens carrier when lens are installed
7 fixed structure.
The second lead column 23 for being perpendicularly oriented to square casing 1 is respectively arranged with four angles of the firm banking 2, it is described
The bottom end of the first lead column 31 is provided with the second groove 311, and the surrounding of first reed 5 is provided with four angles and is formed
Extend to the stator 51 of the inner side of the first lead column 31, the inner side of the first lead column 31 is provided with corresponding with stator 51 recessed
Groove, secures four angles of the first reed 5 so that the first reed 5 cannot be rotated.
The top of second lead column 23 is respectively arranged with the projection 233 extended in the second groove 311, the projection
233 top surface and the top joint of the second groove 311, perfect inner supporting structure.
The draw-in groove portion 3a corresponding with the two ends of magnetite 4 is formed on the pad 3 between the first adjacent lead column 31, it is described
The both ends of the surface of draw-in groove portion 3a are in contact with the end face 4a of magnetite 4 respectively, strengthen the fixation of magnetite 4, in addition, magnetite 4 with it is square
Glue is provided between housing 1 to be bonded.
The surrounding of second reed 6 is provided with several first location holes 61, set on the firm banking 2 with it is several with
The first corresponding locating dowel 25 of location hole 61, the first locating dowel 25 inserts corresponding first location hole 61, secures the second spring
The position of the surrounding of piece 6.
The high stability voice coil motor driven for lens also includes the conducting terminal being connected with coil 8, described
Conducting terminal is divided into positive terminal 21 and negative terminal, 22 positive terminals 21 and negative terminal 22 respectively by the second reed 6 with
The positive and negative polar curve of coil 8 is connected, and conducting terminal is separately positioned on firm banking 2 and extends to the lower section of firm banking 2, described
The second location hole 211 is respectively arranged with conducting terminal 21, is respectively arranged with the firm banking 2 and the second location hole 211
The second corresponding locating dowel 26.
The outside of first lead column 31 is respectively arranged with the arcwall face 31b corresponding with the inner chamber corner of square casing 1,
The outside of the second lead column 23 is respectively arranged with the arcwall face 23b corresponding with the inner chamber corner of square casing 1 so that first is oriented to
The lead column 23 of post 31 and second it is quick for installation, stationarity is good.
The bottom of square-lens carrier 7 is provided with a circle chimb 73, and the outside of the square-lens carrier 7 is divided on four faces
Not She Zhi limited location square column 72, the coil 8 is limited between chimb 73 and spacing square column 72, and the stationarity of coil 8 is good, resists
Vibration, Stability Analysis of Structures.
The arc location division 62 that spring silk is bent to form is provided with second reed 6, is provided with the firm banking 2
Threeth locating dowel 24 corresponding with arc location division 62, improves the toughness of the second reed 6 so that the second reed 6 will not be produced
Raw undue deformation, restoring force is good, durable in use.
The bottom surface 12b of the bending member 12 is in contact to limit square-lens carrier 7 in spiral shell with the bottom surface 71b of the first groove 71
Displacement on line mounting hole central axis direction, defines the minimum range between square-lens carrier 7 and square windowing 11, keeps away
Exempt from mobile excessively and so that the first reed 5 deforms.
In sum, a kind of high stability voice coil motor driven for lens that the present invention is pointed out, quick for installation, structure
Firmly, the performance of shock resistance and anti-vibration is good, compact conformation, long service life, is adapted to various mobile phones, flat board or Miniature digital
Autofocus lenses on camera are used.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. it is a kind of for lens drive high stability voice coil motor, including：Square casing, the bottom of the square casing opens
Open, top center is provided with a square windowing；Firm banking, is arranged on the bottom of square casing；Pad, the pad bag
Include a square frame being arranged in square casing and be arranged on four angles of square frame and be perpendicularly oriented to the first of firm banking and lead
Xiang Zhu；Square-lens carrier, the square-lens carrier is arranged between pad and firm banking, outside the square-lens carrier
Portion's winding is provided with coil；First reed, first reed is arranged between square-lens carrier and pad；4 blocks of magnetites, institute
4 blocks of magnetites are stated to be separately positioned on the surrounding inwall of square casing；Second reed, second reed is arranged on square-lens load
Between body and firm banking, it is characterised in that oriented firm banking direction is set on four angles of the square windowing and is vertically prolonged
The bending member stretched, is respectively arranged with first groove corresponding with bending member on four angles of the square-lens carrier, described
The two sides of bending member form first side portion, and the two sides of first groove form the first limiting section, the first side
Portion is in contact with the first limiting section to limit the rotation of square-lens carrier respectively, is set respectively on four angles of the firm banking
The second lead column for being perpendicularly oriented to square casing is equipped with, the bottom end of first lead column is provided with the second groove, described
The surrounding of the first reed is provided with four angles and is formed and extends to stator on the inside of the first lead column, and the first lead column inner side sets
Be equipped with the groove corresponding with stator, be respectively arranged with the top of second lead column extend to it is convex in the second groove
Block, forms the draw-in groove portion corresponding with magnetite two ends between the first adjacent lead column on the pad, second reed
Surrounding is provided with several first location holes, is set on the firm banking and several first locating dowels corresponding with location hole.
2. it is according to claim 1 for lens drive high stability voice coil motor, it is characterised in that it is described for saturating
The high stability voice coil motor that mirror drives also includes the conducting terminal being connected with coil, and the conducting terminal is separately positioned on solid
Determine on base and extend to firm banking lower section, the second location hole, the firm banking are respectively arranged with the conducting terminal
On be respectively arranged with second locating dowel corresponding with the second location hole.
3. it is according to claim 1 for lens drive high stability voice coil motor, it is characterised in that the draw-in groove portion
Both ends of the surface be in contact with the end face of magnetite respectively.
4. it is according to claim 1 for lens drive high stability voice coil motor, it is characterised in that described first leads
To being respectively arranged with the arcwall face corresponding with square casing inner chamber corner on the outside of post and the second lead column.
5. it is according to claim 1 for lens drive high stability voice coil motor, it is characterised in that it is described square
Mirror carrier base is provided with a circle chimb, and the square-lens carrier outside is respectively provided with limited location square column on four faces, described
Coil is limited between chimb and spacing square column.
6. it is according to claim 1 for lens drive high stability voice coil motor, it is characterised in that second spring
The arc location division that is bent to form of spring silk is provided with piece, corresponding with arc location division the is provided with the firm banking
Three locating dowels.
7. it is according to claim 1 for lens drive high stability voice coil motor, it is characterised in that it is described square
Mirror carrier center position is provided with threaded mounting hole.
8. it is according to claim 1 for lens drive high stability voice coil motor, it is characterised in that the square frame
Top surface is touched and fixed using glue with the back face at the top of square casing.
9. it is according to claim 7 for lens drive high stability voice coil motor, it is characterised in that the bending member
Bottom surface is in contact to limit displacement of the square-lens carrier on threaded mounting hole central axis direction with the first groove floor.
10. it is according to claim 1 for lens drive high stability voice coil motor, it is characterised in that the projection
Top surface be in contact with the groove bottom of the second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254919.8A CN104849832B (en) | 2015-05-19 | 2015-05-19 | A kind of high stability voice coil motor driven for lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254919.8A CN104849832B (en) | 2015-05-19 | 2015-05-19 | A kind of high stability voice coil motor driven for lens |
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| Publication Number | Publication Date |
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| CN104849832A CN104849832A (en) | 2015-08-19 |
| CN104849832B true CN104849832B (en) | 2017-06-09 |
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| CN201510254919.8A Active CN104849832B (en) | 2015-05-19 | 2015-05-19 | A kind of high stability voice coil motor driven for lens |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132716A (en) * | 2017-04-21 | 2017-09-05 | 苏州久易光电科技有限公司 | A kind of resilience is strong and the voice coil motor precisely focused |
| CN108957681B (en) * | 2017-05-17 | 2021-12-03 | 台湾东电化股份有限公司 | Driving mechanism |
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| Publication number | Publication date |
|---|---|
| CN104849832A (en) | 2015-08-19 |
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