CN108957907B - Optical anti-shake device with locking mechanism - Google Patents
Optical anti-shake device with locking mechanism Download PDFInfo
- Publication number
- CN108957907B CN108957907B CN201810916568.6A CN201810916568A CN108957907B CN 108957907 B CN108957907 B CN 108957907B CN 201810916568 A CN201810916568 A CN 201810916568A CN 108957907 B CN108957907 B CN 108957907B
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- lens
- lens support
- base body
- locking mechanism
- lens holder
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- 230000003287 optical effect Effects 0.000 title claims abstract description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 22
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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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 device with a locking mechanism, which comprises a lower base body and an upper base body which are fixedly connected together, wherein a lens support capable of transversely moving relative to the lower base body and the upper base body is arranged in a cavity formed between the lower base body and the upper base body, a plurality of groups of elastic jacking components are arranged between the lower base body and the lens support, a plurality of balls capable of rolling relative to the lower base body and keeping a certain distance between the lower base body and the upper base body are arranged between the lens support and the upper base body, and the locking mechanism capable of locking the lens support is arranged on the lower base body or the upper base body. The lens bracket can be locked on occasions without the anti-shake function so as to be used as a common lens bracket for continuous use.
Description
Technical Field
The invention relates to an optical anti-shake device with a locking mechanism.
Background
Along with the popularization of anti-shake technology, the anti-shake technology is increasingly used in the monitoring field, and requirements on anti-shake performance, reliability and the like are also higher and higher; wherein life performance is critical to anti-shake, because monitoring products are always in use, and life requirements generally need to reach hundreds of millions of times.
At the early stage of the anti-shake field, the motion mode used is basically a guide rail structure, the anti-shake movable piece is arranged on two guide rails, the motion in one direction can be completed, the anti-shake movable piece is nested in the same way, the motion on the horizontal plane can be completed through the anti-shake, and the motion friction is sliding friction. And the sliding friction has larger friction force, poor anti-shake effect and complex structure.
In addition, 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 structure is shortened.
Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art.
Disclosure of Invention
The invention overcomes the defects of the technology and provides the optical anti-shake device with the locking mechanism.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides an optics anti-shake device of locking mechanical system, is including lower pedestal 1 and the last pedestal 2 of fixed connection together, be equipped with in the cavity that forms between lower pedestal 1 and the last pedestal 2 and can relative both lateral shifting's lens support 3, lower pedestal 1 with be equipped with a plurality of elasticity roof pressure subassemblies 4 between the lens support 3, lens support 3 with be equipped with a plurality of balls 5 that can roll and make both keep certain distance between the upper pedestal 2 relatively, be equipped with on lower pedestal 1 or the last pedestal 2 and will the locking mechanical system 6 of lens support 3 locking.
As described above, the optical anti-shake device with the locking mechanism is provided with two first magnetic blocks 31 on the lens support 3, an included angle a formed between the two first magnetic blocks 31 and the center of the lens support 3 is 90 degrees, one magnetic pole of each first magnetic block 31 faces the center direction of the lens support 3 and the other magnetic pole faces away from the center direction of the lens support 3, the upper base 2 is provided with two electromagnetic coils 2010 corresponding to the positions of the two first magnetic blocks 31 to perform anti-shake displacement compensation on the driving lens support 3, or the lower base 1 is provided with two electromagnetic coils 2010 corresponding to the positions of the two first magnetic blocks 31 to perform anti-shake displacement compensation on the driving lens support 3.
The optical anti-shake device with the locking mechanism as described above, each set of elastic pressing components 4 includes a spring slot 41 provided on the lower base 1, a supporting leg 42 provided at the lower end of the lens holder 3, and a first spring 43 elastically pressed between the spring slot 41 and the supporting leg 42, where at least a portion of the supporting leg 42 extends into the first spring 43.
In the optical anti-shake device with a locking mechanism as described above, the lens holder 3 and the upper housing 2 are provided with the ball groove 3020 for restricting the balls 5.
The optical anti-shake device with the locking mechanism as described above, the upper base 2 is provided with two through grooves 21 for assembling and positioning the lens holder 3, and the lens holder 3 is provided with two upright posts 32 correspondingly inserted into the two through grooves 21.
The optical anti-shake device with the locking mechanism, as described above, the locking mechanism 6 is disposed on the lower base 1, the locking mechanism 6 includes a turntable 61 mounted on the lower base 1, the turntable 61 is provided with a first through hole 611 through which the lens holder 3 can partially pass, two top positions 6111 capable of contacting with the lens holder 3 when the turntable 61 rotates are disposed on the inner wall of the first through hole 611, the top positions 6111 are protruding structures extending toward the center direction of the first through hole 611, the protruding structures are provided with inward concave cambered surfaces, a boss 33 matched with the top positions 6111 is disposed on the lens holder 3, and a locking slider 62 capable of being matched with the two top positions 6111 to lock the lens holder 3 when the turntable 61 rotates is also slidably disposed on the lower base 1.
In the optical anti-shake device with the locking mechanism as described above, the rear end of the locking slider 62 is provided with the second spring 63 that can push the front end of the locking slider 62 toward the direction of the lens holder 3, and the outer periphery of the turntable 61 is provided with the guiding inclined surface 612 that can make the locking slider 62 approach or separate from the lens holder 3.
The optical anti-shake device with the locking mechanism as described above is further provided with a motor transmission assembly 7 for driving the turntable 61 to rotate on the lower base 1, and the turntable 61 is provided with a rack 613 meshed with an output end of the motor transmission assembly 7.
Compared with the prior art, the invention has the beneficial effects that:
1. Compared with the technical scheme that the lens support is mounted on a plurality of rail guides, the lens support is mounted in the cavity between the lower base body and the upper base body through the plurality of elastic jacking assemblies and the plurality of balls, so that transverse friction force of the lens support during anti-shake displacement compensation is reduced, and quick response of the anti-shake displacement compensation is facilitated; in addition, compared with the technical scheme that balls are adopted at the upper end and the lower end of the lens support, the technical scheme that the balls are adopted at the upper end and the lower end to press the lens support is required to have stricter size requirements, the assembly and the debugging are inconvenient, and the elastic pressing component is matched with the balls, so that the lens support is easily kept at a certain distance between the lower seat body and the upper seat body, and the assembly and the debugging are relatively convenient; in addition, because the locking mechanism capable of locking the lens bracket is arranged on the lower seat body or the upper seat body, the lens bracket can be locked for continuous use as a common lens bracket in the occasion of no need of an anti-shake function.
2. The included angle A formed between the two first magnetic blocks and the center of the lens support is 90 degrees, one magnetic pole of each first magnetic block faces the center direction of the lens support and the other magnetic pole faces away from the center direction of the lens support, so that the lens support can be magnetically driven to linearly move along the connecting line direction corresponding to the centers of the first magnetic blocks and the lens support when each electromagnetic coil is electrified, and therefore the lens support can be magnetically driven to move on a two-dimensional surface through the two electromagnetic coils, and the control is convenient.
3. The first spring is elastically propped between the supporting leg and the spring groove, and at least part of the supporting leg stretches into the first spring, so that the first spring is not easy to fall off from between the supporting leg and the spring groove when the lens support performs anti-shake displacement compensation.
4. During implementation, the lens support and the upper seat body are provided with ball grooves for limiting the balls, so that the balls are limited, and unbalance between the lens support and the upper seat body due to the fact that the balls roll randomly when the lens support performs anti-shake displacement compensation is avoided.
5. When the lens support is not required to be fixed, the two top positions and the locking sliding blocks are not in contact with the lens support, so that the lens support is not prevented from being subjected to anti-shake displacement compensation, when the lens support is required to be fixed, the turntable is rotated first, the upper cambered surfaces of the two top positions are contacted with the upper boss of the lens support, then the other position of the lens support is propped up through the locking sliding blocks, and the lens support is locked and fixed, so that the lens support cannot move transversely, and the lens support is convenient to implement and good in applicability.
6. In the process of fixing the lens support through the locking mechanism, along with the rotation of the turntable, the upper cambered surfaces of the two top positions are contacted with the upper boss of the lens support and the locking sliding block to push against the other position of the lens support, so that the lens support is locked and fixed to be incapable of transversely moving, and the lens support is convenient to implement.
Drawings
Fig. 1 is a perspective view of the present case.
Fig. 2 is one of the exploded views of fig. 1.
Fig. 3 is a second exploded view of fig. 1.
Fig. 4 is a structural view of the turntable and the locking slide block.
Fig. 5 is a structural view of the present turntable, the lens holder, the lock slider, and the second spring.
Detailed Description
The following examples are provided to illustrate the features of the present invention and other related features in further detail to facilitate understanding by those skilled in the art:
As shown in fig. 1 to 5, an optical anti-shake device with a locking mechanism includes a lower base 1 and an upper base 2 that are fixedly connected together, a lens support 3 capable of moving transversely relative to the lower base 1 and the upper base 2 is disposed in a cavity formed between the lower base 1 and the upper base 2, a plurality of elastic pressing assemblies 4 are disposed between the lower base 1 and the lens support 3, a plurality of balls 5 capable of rolling relative to the upper base 2 and keeping a certain distance between the lower base 3 and the upper base 2 are disposed between the lower base 1 and the upper base 2, and a locking mechanism 6 capable of locking the lens support 3 is disposed on the lower base 1 or the upper base 2.
As described above, in the embodiment, the lens holder 3 has a lens or a lens group mounted therein.
As described above, the present case has a compact structure and is easy to implement, and compared with the technical scheme that the lens holder 3 is mounted on a plurality of rail guides, the present case mounts the lens holder 3 in the cavity between the lower base 1 and the upper base 2 through a plurality of elastic pressing assemblies 4 and a plurality of balls 5, which is beneficial to reducing the transverse friction force of the lens holder 3 when performing anti-shake displacement compensation, and is beneficial to the rapid response of the anti-shake displacement compensation; in addition, compared with the technical scheme that the balls 5 are adopted at the upper end and the lower end of the lens bracket 3, the technical scheme that the balls 5 are adopted at the upper end and the lower end to press the lens bracket 3 is required to have stricter size requirements, the assembly and the debugging are inconvenient, the elastic pressing assembly 4 is adopted to be matched with the balls 5, the lens bracket 3 is easily kept at a certain distance between the lower seat body 1 and the upper seat body 2, and the assembly and the debugging are relatively convenient; in addition, since the locking mechanism 6 capable of locking the lens holder 3 is provided on the lower housing 1 or the upper housing 2, the lens holder 3 can be locked for continuous use as a normal lens holder in the case where the anti-shake function is not required.
As described above, in the embodiment, two first magnetic blocks 31 are disposed on the lens support 3, an included angle a formed between the two first magnetic blocks 31 and the center of the lens support 3 is 90 degrees, one magnetic pole of each first magnetic block 31 faces the center direction of the lens support 3 and the other magnetic pole faces away from the center direction of the lens support 3, two electromagnetic coils 2010 corresponding to the positions of the two first magnetic blocks 31 and used for anti-shake displacement compensation of the driving lens support 3 are disposed on the upper base 2, or two electromagnetic coils 2010 corresponding to the positions of the two first magnetic blocks 31 and used for anti-shake displacement compensation of the driving lens support 3 are disposed on the lower base 1. As shown in fig. 3, both electromagnetic coils 2010 are provided on the upper housing 2.
As described above, the included angle a formed between the two first magnetic blocks 31 and the center of the lens support 3 is 90 degrees, and one magnetic pole of each first magnetic block 31 faces the center direction of the lens support 3 and the other magnetic pole faces away from the center direction of the lens support 3, so that each electromagnetic coil 2010 can magnetically drive the lens support 3 to linearly move along the connecting line direction corresponding to the first magnetic block 31 and the center of the lens support 3 when being electrified, and therefore, the two electromagnetic coils 2010 can magnetically drive the lens support 3 to move on a two-dimensional surface, and the control is convenient.
As described above, in the embodiment, each set of elastic pressing components 4 includes a spring slot 41 provided on the lower base 1, a supporting leg 42 provided at the lower end of the lens holder 3, and a first spring 43 elastically pressed between the spring slot 41 and the supporting leg 42, where at least a portion of the supporting leg 42 extends into the first spring 43.
As described above, the first spring 43 is elastically pressed between the supporting leg 42 and the spring slot 41, and at least a portion of the supporting leg 42 extends into the first spring 43, so that the first spring 43 is not easy to fall off between the supporting leg 42 and the spring slot 41 when the lens holder 3 performs anti-shake displacement compensation.
As described above, in the embodiment, the lens holder 3 and the upper housing 2 are provided with the ball groove 3020 for limiting the balls 5, which is advantageous for limiting the balls 5, so as to avoid unbalance between the lens holder 3 and the upper housing 2 due to arbitrary rolling of the balls 5 when the lens holder 3 performs anti-shake displacement compensation.
As described above, in the implementation, the upper base 2 is provided with two through slots 21 for assembling and positioning the lens holder 3, and the lens holder 3 is provided with two posts 32 correspondingly inserted into the two through slots 21.
As described above, in the embodiment, as shown in fig. 2 and 3, the locking mechanism 6 is disposed on the lower base 1, the locking mechanism 6 includes a turntable 61 mounted on the lower base 1, the turntable 61 is provided with a first through hole 611 through which the lens holder 3 can partially pass, two top positions 6111 capable of contacting with the lens holder 3 when the turntable 61 rotates are disposed on an inner wall of the first through hole 611, the top positions 6111 are protruding structures extending toward a center direction of the first through hole 611, the protruding structures are provided with inward concave cambered surfaces, a boss 33 matched with the top positions 6111 is disposed on the lens holder 3, and a locking slider 62 for locking the lens holder 3 when the turntable 61 rotates and being matched with the two top positions 6111 is slidably disposed on the lower base 1.
As described above, in this case, when the lens holder 3 is not required to be fixed, both the two top positions 6111 and the locking slide block 62 are not in contact with the lens holder 3, so as not to prevent the lens holder 3 from performing anti-shake displacement compensation, and when the lens holder 3 is required to be fixed, the turntable 61 is rotated to make the cambered surfaces of the two top positions 6111 contact with the boss 33 on the lens holder 3, and then the locking slide block 62 is used to prop against another position of the lens holder 3, so that the lens holder 3 is locked and fixed so as not to be capable of moving laterally, which is convenient to implement and has good applicability.
As described above, in the embodiment, the second spring 63 is provided at the rear end of the locking slider 62 to push the front end of the locking slider 62 toward the lens holder 3, and the guiding inclined surface 612 is provided on the outer periphery of the turntable 61 to enable the locking slider 62 to approach or separate from the lens holder 3.
As described above, in the process of fixing the lens holder 3 by the locking mechanism 6, along with the rotation of the turntable 61, the cambered surfaces on the two top positions 6111 contact the boss 33 on the lens holder 3 and the locking slide block 62 to press the other position of the lens holder 3, so that the lens holder 3 is locked and fixed so as to be unable to move laterally, and the implementation is convenient.
As described above, in the implementation, the lower base 1 is further provided with a motor driving assembly 7 for driving the turntable 61 to rotate, and the turntable 61 is provided with a rack 613 engaged with an output end of the motor driving assembly 7. In this way, it is convenient to electrically control the action of the locking mechanism 6.
As described above, the present disclosure protects an optical anti-shake device with a locking mechanism, and all technical solutions identical or similar to the structures of the present disclosure should be shown as falling into the protection scope of the present disclosure.
Claims (4)
1. The utility model provides an optical anti-shake device with locking mechanism, its characterized in that includes fixed connection's lower pedestal (1) and last pedestal (2) together, be equipped with in the cavity that forms between lower pedestal (1) and the last pedestal (2) and can relative both transversely move lens support (3), be equipped with a plurality of groups elasticity roof pressure subassembly (4) between lower pedestal (1) and lens support (3), be equipped with between lens support (3) and the last pedestal (2) and roll and make a plurality of balls (5) of certain distance between both, be equipped with on lower pedestal (1) can with locking mechanism (6) of lens support (3) locking;
Each group of elastic jacking components (4) comprises a spring groove (41) arranged on the lower base body (1), a supporting leg (42) arranged at the lower end of the lens bracket (3) and a first spring (43) elastically jacking between the spring groove (41) and the supporting leg (42), wherein at least part of the supporting leg (42) stretches into the first spring (43);
The locking mechanism (6) comprises a rotary table (61) arranged on the lower base body (1), the rotary table (61) is provided with a first through hole (611) through which the lens support (3) can partially pass, two top positions (6111) which can be contacted with the lens support (3) when the rotary table (61) rotates are arranged on the inner wall of the first through hole (611), the top positions (6111) are protruding structures extending towards the center direction of the first through hole (611), the protruding structures are provided with inwards concave cambered surfaces, the lens support (3) is provided with a boss (33) matched with the top positions (6111), and the lower base body (1) is also provided with a locking slide block (62) which can be matched with the two top positions (6111) to lock the lens support (3) when the rotary table (61) rotates in a sliding mode;
The rear end of the locking slide block (62) is provided with a second spring (63) which can enable the front end of the locking slide block (62) to be pressed towards the direction of the lens bracket (3), and the periphery of the rotary disc (61) is provided with a guide inclined plane (612) which can enable the locking slide block (62) to be close to or far from the lens bracket (3);
The lower seat body (1) is also provided with a motor transmission assembly (7) for driving the turntable (61) to rotate, and the turntable (61) is provided with a rack (613) meshed with the output end of the motor transmission assembly (7).
2. The optical anti-shake device with the locking mechanism according to claim 1, wherein the lens holder (3) is provided with two first magnetic blocks (31), an included angle a formed between the two first magnetic blocks (31) and the center of the lens holder (3) is 90 degrees, one magnetic pole of each first magnetic block (31) faces the center direction of the lens holder (3) and the other magnetic pole faces away from the center direction of the lens holder (3), the upper base (2) is provided with two electromagnetic coils (2010) corresponding to the positions of the two first magnetic blocks (31) and used for driving the lens holder (3) to perform anti-shake displacement compensation, or the lower base (1) is provided with two electromagnetic coils (2010) corresponding to the positions of the two first magnetic blocks (31) and used for driving the lens holder (3) to perform anti-shake displacement compensation.
3. The optical anti-shake device with the locking mechanism according to claim 1, characterized in that the lens holder (3) and the upper base (2) are both provided with a ball groove (3020) for limiting the ball (5).
4. The optical anti-shake device with the locking mechanism according to claim 1, characterized in that the upper base body (2) is provided with two through grooves (21) for assembling and positioning the lens bracket (3), and the lens bracket (3) is provided with two stand columns (32) correspondingly inserted into the two through grooves (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916568.6A CN108957907B (en) | 2018-08-13 | 2018-08-13 | Optical anti-shake device with locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916568.6A CN108957907B (en) | 2018-08-13 | 2018-08-13 | Optical anti-shake device with locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108957907A CN108957907A (en) | 2018-12-07 |
| CN108957907B true CN108957907B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810916568.6A Active CN108957907B (en) | 2018-08-13 | 2018-08-13 | Optical anti-shake device with locking mechanism |
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| Country | Link |
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| CN (1) | CN108957907B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112887559B (en) * | 2021-01-22 | 2022-09-30 | 维沃移动通信有限公司 | Camera module and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6157779A (en) * | 1998-05-28 | 2000-12-05 | Minolta Co., Ltd. | Image shake correcting optical apparatus |
| CN101004533A (en) * | 2005-12-09 | 2007-07-25 | 佳能株式会社 | Optical apparatus |
| CN203350590U (en) * | 2013-02-21 | 2013-12-18 | 杭州海康威视数字技术股份有限公司 | Lens enclasping mechanism and video camera |
| CN207020435U (en) * | 2017-08-16 | 2018-02-16 | 中山联合光电科技股份有限公司 | A kind of stabilization self-locking device of use on optical lens |
| CN108061957A (en) * | 2018-01-06 | 2018-05-22 | 中山联合光电科技股份有限公司 | A kind of optical anti-vibration camera lens with self-locking structure |
| CN208459744U (en) * | 2018-08-13 | 2019-02-01 | 中山联合光电科技股份有限公司 | A kind of optical anti-vibration structure with lock function |
-
2018
- 2018-08-13 CN CN201810916568.6A patent/CN108957907B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6157779A (en) * | 1998-05-28 | 2000-12-05 | Minolta Co., Ltd. | Image shake correcting optical apparatus |
| CN101004533A (en) * | 2005-12-09 | 2007-07-25 | 佳能株式会社 | Optical apparatus |
| CN203350590U (en) * | 2013-02-21 | 2013-12-18 | 杭州海康威视数字技术股份有限公司 | Lens enclasping mechanism and video camera |
| CN207020435U (en) * | 2017-08-16 | 2018-02-16 | 中山联合光电科技股份有限公司 | A kind of stabilization self-locking device of use on optical lens |
| CN108061957A (en) * | 2018-01-06 | 2018-05-22 | 中山联合光电科技股份有限公司 | A kind of optical anti-vibration camera lens with self-locking structure |
| CN208459744U (en) * | 2018-08-13 | 2019-02-01 | 中山联合光电科技股份有限公司 | A kind of optical anti-vibration structure with lock function |
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| Publication number | Publication date |
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| CN108957907A (en) | 2018-12-07 |
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