CN108061957B - Optical anti-shake lens with self-locking structure - Google Patents
Optical anti-shake lens with self-locking structure Download PDFInfo
- Publication number
- CN108061957B CN108061957B CN201810012733.5A CN201810012733A CN108061957B CN 108061957 B CN108061957 B CN 108061957B CN 201810012733 A CN201810012733 A CN 201810012733A CN 108061957 B CN108061957 B CN 108061957B
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- base
- lens
- self
- supporting seat
- locking structure
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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
-
- 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The invention discloses an optical anti-shake lens with a self-locking structure, which comprises a base, wherein a lens bracket is arranged on the base, the self-locking structure is arranged on the base, and a driving assembly is arranged on the self-locking structure; the self-locking structure comprises a supporting seat connected with a base, a through hole is formed in the supporting seat, an annular hole is formed in the supporting seat, at least two guide grooves are formed in the supporting seat, a locking sliding block is connected to each guide groove in a sliding mode, a rotary table is arranged on the supporting seat, a driving inclined hole is formed in the rotary table, and a guide column capable of being inserted into the driving inclined hole is arranged on the locking sliding block. The invention is provided with a self-locking structure and a driving component which can lock the position of the lens bracket on the base; when the self-locking structure locks the lens bracket, the lens is a lens without an anti-shake function, and when the self-locking structure loosens the lens bracket, the lens is a lens with an anti-shake function; therefore, the optical anti-shake lens can be powered on and powered off as required, the load of the anti-shake mechanism is reduced, and the service life of the anti-shake mechanism is prolonged.
Description
Technical Field
The present invention relates to a lens device, and more particularly to an optical anti-shake lens with a self-locking structure.
Background
In the optical lens industry, including monitoring, vehicle-mounted, mobile phone, photography-related, anti-shake performance requirements are becoming a major trend. Many relatively high-end monitor lenses and cell phone lenses are equipped with anti-shake structures. And in the fields of cameras, single lens reflex, DV and the like, the standard is more marked. Under the condition that the market demands are more and more, the anti-shake function is also more and more advanced. The main current anti-shake types are: optical anti-shake, CCD anti-shake, whole machine anti-shake, electron anti-shake.
The implementation mode of the anti-shake is basically realized by compensation, the deviation of light caused by the shake is compensated, the anti-shake mechanism moves corresponding variable quantity to compensate, the anti-shake structure of the traditional optical lens needs to be electrified for a long time to keep the anti-shake structure in the center, and when the anti-shake structure is in a non-working state occasion without the anti-shake function, the anti-shake structure is also in an electrified state, so that the load of the anti-shake structure is increased, and the service life of the anti-shake mechanism is shortened.
The present invention has been made in view of the above-described drawbacks.
Disclosure of Invention
The invention aims to solve the technical problem of providing an optical anti-shake lens with a self-locking structure, which greatly prolongs the service life of the anti-shake lens and saves electric energy.
In order to solve the technical problems, the invention adopts the following technical scheme: the optical anti-shake lens with the self-locking structure is characterized by comprising a base, wherein a lens bracket capable of moving in the horizontal direction relative to the base and used for mounting a first lens is arranged on the base, a self-locking structure capable of fixing the lens bracket is also arranged on the base, and a driving assembly used for driving the self-locking structure to move so as to lock or unlock the lens bracket is arranged on the self-locking structure; the self-locking structure comprises a supporting seat connected with the base, a through hole for the lens bracket to pass through is arranged on the supporting seat, an annular hole is arranged on the outer side of the through hole of the supporting seat, at least two guide grooves which are communicated with the annular hole and the through hole are arranged on the supporting seat, the locking slide blocks are connected to each guide groove in a sliding manner, the supporting seat is provided with a rotary table which can rotate along the annular holes and cover the locking slide blocks in the guide grooves, the rotary table is provided with driving inclined holes corresponding to each locking slide block, and the locking slide blocks are provided with guide columns which can be inserted into the driving inclined holes.
The optical anti-shake lens with the self-locking structure is characterized in that an anti-shake mechanism is arranged between the base and the lens bracket.
The optical anti-shake lens with the self-locking structure is characterized in that the driving assembly comprises a driving motor arranged on the supporting seat and used for driving the turntable to rotate.
The optical anti-shake lens with the self-locking structure is characterized in that a clamping spring is connected between the turntable and the supporting seat.
The optical anti-shake lens with the self-locking structure is characterized in that the supporting seat is provided with the cover plate, and the cover plate is provided with the guide post groove which can be used for the guide post to insert and move in.
The optical anti-shake lens with the self-locking structure is characterized in that the supporting seat is provided with a spring installation position for connecting one end of the clamping spring, and the turntable is provided with a spring column for connecting the other end of the clamping spring.
The optical anti-shake lens with the self-locking structure is characterized in that the turntable is provided with the rack, the driving assembly comprises a reduction gear arranged between the output shaft of the driving motor and the rack, and the driving assembly further comprises a gear box for placing the reduction gear and fixing the driving motor.
The optical anti-shake lens with the self-locking structure is characterized in that the anti-shake mechanism comprises a ball which is arranged between the base and the lens bracket and can roll relative to the base and the lens bracket; the anti-shake mechanism also comprises a suspension magnet arranged on the base and a driving magnet arranged on the lens bracket, and a coil is arranged on the base.
The optical anti-shake lens with the self-locking structure is characterized in that the lens support is provided with the induction magnet, and the base is provided with the Hall element opposite to the induction magnet.
Compared with the prior art, the optical anti-shake lens with the self-locking structure achieves the following effects:
the invention is provided with a self-locking structure and a driving component which can lock the position of the lens bracket on the base; when the self-locking structure locks the lens bracket, the lens is a lens without an anti-shake function, and when the self-locking structure loosens the lens bracket, the lens is a lens with an anti-shake function; therefore, the optical anti-shake lens can be powered on and powered off as required, the load of the anti-shake mechanism is reduced, and the service life of the anti-shake mechanism is prolonged.
When the anti-shake function is not required to be started, the locking function is started, and the function is equivalent to that of a common lens; the structure can greatly improve the service life of the anti-shake, save electric energy and can be used as a common lens after the anti-shake function is damaged.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an assembly view of the base and the self-locking structure of the present invention;
FIG. 3 is an exploded view of the self-locking structure of the present invention;
FIG. 4 is a bottom view of the self-locking structure of the present invention;
FIG. 5 is a block diagram of an anti-shake mechanism according to the present invention;
description of the drawings: 1. a base; 2. a lens holder; 3. a first lens; 4. an anti-shake mechanism; 41. a ball; 42. suspending a magnet; 43. driving a magnet; 44. an induction magnet; 45. a Hall element; 46. a coil; 5. a self-locking structure; 51. a support base; 511. a through hole; 512. an annular hole; 513. a guide groove; 514. a spring mounting position; 52. a locking slide block; 521. a guide post; 53. a turntable; 531. driving the inclined hole; 532. a spring post; 533. a rack; 54. a clamping spring; 55. a cover plate; 551. a guide post groove; 6. a drive assembly; 61. a driving motor; 62. a reduction gear; 63. and a gear box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 5, an optical anti-shake lens with a self-locking structure comprises a base 1, wherein a lens bracket 2 capable of moving in a horizontal direction relative to the base 1 and used for mounting a first lens 3 is arranged on the base 1, a self-locking structure 5 capable of fixing the lens bracket 3 is also arranged on the base 1, and a driving component 6 used for driving the self-locking structure 5 to move so as to lock or unlock the lens bracket 2 is arranged on the self-locking structure 5; the self-locking structure 5 comprises a supporting seat 51 connected with the base 1, a through hole 511 through which the lens bracket 2 can partially pass is formed in the supporting seat 51, an annular hole 512 is formed in the outer side of the supporting seat 51 and located in the through hole 511, at least two guide grooves 513 which are communicated with the annular hole 512 and the through hole 511 are formed in the supporting seat 51, a locking sliding block 52 is slidingly connected to each guide groove 513, a rotary disc 53 capable of rotating along the annular hole 512 and covering the locking sliding block 52 in the guide groove 513 is arranged on the supporting seat 51, a driving inclined hole 531 corresponding to each locking sliding block 52 is formed in the rotary disc 53, and a guide column 521 capable of being inserted into the driving inclined hole 531 is arranged on the locking sliding block 52.
As shown in fig. 1 to 5, in the present embodiment, an anti-shake mechanism 4 is provided between the base 1 and the lens holder 3.
The invention is provided with a self-locking structure and a driving component which can lock the position of the lens bracket on the base; when the self-locking structure locks the lens bracket, the lens is a lens without an anti-shake function, and when the self-locking structure loosens the lens bracket, the lens is a lens with an anti-shake function; therefore, the optical anti-shake lens can be powered on and powered off as required, the load of the anti-shake mechanism is reduced, and the service life of the anti-shake mechanism is prolonged.
As shown in fig. 1 to 5, in the present embodiment, the driving assembly 6 includes a driving motor 61 disposed on the supporting base 51 for driving the turntable 53 to rotate, and the turntable rotates, so as to drive each locking slider 52 to slide toward the center at the same time, thereby locking the lens holder 2.
As shown in fig. 1 to 5, in the present embodiment, a clamping spring 54 is connected between the turntable 53 and the support base 51.
As shown in fig. 1 to 5, in the present embodiment, a cover plate 55 is provided on the support base 51, and a guide post groove 551 into which the guide post 521 is inserted and moves is provided on the cover plate 55.
As shown in fig. 1 to 5, in this embodiment, the support base 51 is provided with a spring mounting portion 514 to which one end of the clamping spring 54 is connected, and the turntable 53 is provided with a spring post 532 to which the other end of the clamping spring 54 is connected.
As shown in fig. 1 to 5, in the present embodiment, the turntable 53 is provided with a rack 533, the driving assembly 6 includes a reduction gear 62 disposed between an output shaft of the driving motor 61 and the rack 533, and the driving assembly 6 further includes a gear box 63 for placing the reduction gear 62 and fixing the driving motor 61.
The driving motor of the invention is a stepping motor, the stepping motor drives the gear box 63 so as to drive the turntable 53 to rotate, and the lens bracket and the anti-shake mechanism are fixed and positioned at the center by virtue of the movement of the three locking sliding blocks 52 to the center. The structure has higher positioning precision, and stable positioning and no shaking. The self-locking structure is provided with a clamping spring 54, one end of the clamping spring 54 is fixed on the turntable 53, the other end of the clamping spring 54 is fixed on the locking support seat 51, and after locking, the clamping spring 54 still has a certain tensile force, so that the locking slide block 52 keeps a force towards the center. The drive motor drives the lock slide 52 outwardly when no lock is required. The self-locking structure has the advantages of high positioning precision, strong stability, good durability and the like.
As shown in fig. 1 to 5, in the present embodiment, the anti-shake mechanism 4 includes a ball 41 disposed between the base 1 and the lens holder 2 and capable of rolling relative to the two; the anti-shake mechanism 4 further comprises a suspension magnet 42 arranged on the base 1 and a driving magnet 43 arranged on the lens bracket 2, and a coil 46 is arranged on the base 1.
The invention adopts a plane ball structure as a kinematic pair, balls 41 are arranged at three points of a plane, metal sheets are arranged on the upper and lower parts of the balls 41 as wear-resistant bearing pieces, and the metal sheets are respectively arranged on a base 1 and a lens bracket 2. The base 1 is provided with the suspension magnet 42, and the movable member assembly can be well adsorbed on the base by means of attraction between the suspension magnet 42 and the driving magnet 43 and supported by the balls 41. The motion friction is rolling friction, and has great advantages for energy consumption and durability.
The invention adopts the mode of magnets and coils to drive, increases the driving force, and can achieve the shake correction with higher frequency. In the feedback aspect, a Hall element 45 is adopted for feedback, and an induction magnet 44 is arranged at the corresponding position. The induction magnets of the hall element may share the drive magnets. The group of driving magnets has the function of two driving magnets, and the two magnets can be made into one magnet in the process.
As shown in fig. 1 to 5, in the present embodiment, the lens holder 2 is provided with a sensing magnet 44, and the base 1 is provided with a hall element 45 opposite to the sensing magnet 44.
The invention adopts a two-axis movable anti-shake structure.
The installation mode is as follows:
on the base, a levitation magnet 42 is mounted on a levitation magnet mounting position of the base, and a coil is mounted on a coil mounting position of the base. The Hall element 45 is connected through the FPC, is attached to the Hall element 45 mounting position of the base, is provided with three metal sheet mounting positions on the base 1, is used for mounting the metal sheets therein, and is used for placing the balls on the metal plates, and the fixed lens is assembled in the inner hole of the fixed lens of the base in a dispensing or melting mode.
In the lens holder 2, four sets of driving magnets 43 are mounted on the driving magnet mounting positions, one N pole facing upward and one S pole facing upward. The induction magnet 44 is mounted on the induction magnet mounting position of the lens holder 2, and the first lens 3 and the metal sheet are assembled in a similar manner to the base 1.
In the self-locking structure, the turntable 5 is matched with the boss of the supporting seat through an inner hole to form a rotating pin. The support seat 51 of the self-locking structure is provided with a guide groove 513, the locking slide block 52 is installed in the guide groove, and the guide post 521 on the locking slide block 52 is embedded into the driving inclined hole 531 of the turntable to form a cam structure. Thus, rotation of the dial 53 may drive movement of the locking slide 52. A gear box is mounted on the support base 51, and a reduction gear 62 of the gear box is meshed with a rack 533 of the turntable 53 to form a transmission structure. One end of the clamping spring 54 is fixed on a spring column 532 on the turntable 53, and the other end is fixed on a spring mounting position 514 of the supporting seat 51, so that the pretension function of the locking structure is realized.
The lens bracket 2 is adsorbed on the base 1 through the adsorption force between the magnets, the self-locking structure 5 is locked on the base 1 through screws, and the lower surface of the self-locking structure 5 becomes an upper limit structure of the lens bracket.
Claims (1)
1. The optical anti-shake lens with the self-locking structure is characterized by comprising a base (1), wherein a lens bracket (2) which can move in the horizontal direction relative to the base (1) and is used for installing a first lens (3) is arranged on the base (1), a self-locking structure (5) which can fix the lens bracket (3) is also arranged on the base (1), and a driving component (6) which is used for driving the self-locking structure (5) to move so as to lock or unlock the lens bracket (2) is arranged on the self-locking structure (5); the self-locking structure (5) comprises a supporting seat (51) connected with the base (1), a through hole (511) through which the lens bracket (2) can partially pass is formed in the supporting seat (51), an annular hole (512) is formed in the outer side of the through hole (511) in the supporting seat (51), at least two guide grooves (513) which are communicated with the annular hole (512) and the through hole (511) are formed in the supporting seat (51), a locking sliding block (52) is connected onto each guide groove (513) in a sliding mode, a rotary disc (53) capable of rotating along the annular hole (512) and covering the locking sliding block (52) in the guide grooves (513) is arranged on the supporting seat (51), a driving inclined hole (531) corresponding to each locking sliding block (52) is formed in the rotary disc (53), and a guide column (521) capable of being inserted into the driving inclined hole (531) is arranged on the locking sliding block (52);
an anti-shake mechanism (4) is arranged between the base (1) and the lens bracket (3);
the driving assembly (6) comprises a driving motor (61) which is arranged on the supporting seat (51) and used for driving the turntable (53) to rotate;
a clamping spring (54) is connected between the turntable (53) and the supporting seat (51);
a cover plate (55) is arranged on the supporting seat (51), and a guide column groove (551) which can be used for the guide column (521) to insert and move in is formed in the cover plate (55);
a spring mounting position (514) for connecting one end of the clamping spring (54) is arranged on the supporting seat (51), and a spring column (532) for connecting the other end of the clamping spring (54) is arranged on the turntable (53);
the turntable (53) is provided with a rack (533), the driving assembly (6) comprises a reduction gear (62) arranged between an output shaft of the driving motor (61) and the rack (533), and the driving assembly (6) also comprises a gear box (63) for placing the reduction gear (62) and fixing the driving motor (61);
the anti-shake mechanism (4) comprises a ball (41) which is arranged between the base (1) and the lens bracket (2) and can roll relative to the base and the lens bracket; the anti-shake mechanism (4) further comprises a suspension magnet (42) arranged on the base (1) and a driving magnet (43) arranged on the lens bracket (2), and a coil (46) is arranged on the base (1);
the lens bracket (2) is provided with an induction magnet (44), and the base (1) is provided with a Hall element (45) opposite to the induction magnet (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012733.5A CN108061957B (en) | 2018-01-06 | 2018-01-06 | Optical anti-shake lens with self-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012733.5A CN108061957B (en) | 2018-01-06 | 2018-01-06 | Optical anti-shake lens with self-locking structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108061957A CN108061957A (en) | 2018-05-22 |
| CN108061957B true CN108061957B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810012733.5A Active CN108061957B (en) | 2018-01-06 | 2018-01-06 | Optical anti-shake lens with self-locking structure |
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| CN (1) | CN108061957B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490638B (en) * | 2018-05-23 | 2023-09-12 | 中山联合光电科技股份有限公司 | Optical anti-shake structure |
| CN108427167B (en) * | 2018-05-23 | 2023-10-10 | 中山联合光电科技股份有限公司 | Self-locking structure of optical lens |
| CN109056499B (en) * | 2018-08-09 | 2020-10-23 | 黄河水利委员会黄河水利科学研究院 | Bridge leg depth limiter |
| CN108957907B (en) * | 2018-08-13 | 2024-05-07 | 中山联合光电科技股份有限公司 | Optical anti-shake device with locking mechanism |
| CN111772579B (en) * | 2020-05-25 | 2023-06-20 | 中国科学院深圳先进技术研究院 | Panoramic light follow-up device and photoacoustic imaging system thereof |
| CN112804422B (en) * | 2020-12-28 | 2022-04-15 | 维沃移动通信有限公司 | Electronic equipment and camera module thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403973A (en) * | 2016-01-12 | 2016-03-16 | 中国科学院上海光学精密机械研究所 | Centering adjustment mechanism of optical element |
| CN105700272A (en) * | 2016-03-30 | 2016-06-22 | 中山联合光电科技股份有限公司 | Lens anti-shake apparatus with self-locking structure |
| CN207817285U (en) * | 2018-01-06 | 2018-09-04 | 中山联合光电科技股份有限公司 | A kind of optical anti-vibration device with self-locking structure |
-
2018
- 2018-01-06 CN CN201810012733.5A patent/CN108061957B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403973A (en) * | 2016-01-12 | 2016-03-16 | 中国科学院上海光学精密机械研究所 | Centering adjustment mechanism of optical element |
| CN105700272A (en) * | 2016-03-30 | 2016-06-22 | 中山联合光电科技股份有限公司 | Lens anti-shake apparatus with self-locking structure |
| CN207817285U (en) * | 2018-01-06 | 2018-09-04 | 中山联合光电科技股份有限公司 | A kind of optical anti-vibration device with self-locking structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108061957A (en) | 2018-05-22 |
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