CN101086596A - Small drive device for diaphragm and shutter - Google Patents
Small drive device for diaphragm and shutter Download PDFInfo
- Publication number
- CN101086596A CN101086596A CNA2006100913231A CN200610091323A CN101086596A CN 101086596 A CN101086596 A CN 101086596A CN A2006100913231 A CNA2006100913231 A CN A2006100913231A CN 200610091323 A CN200610091323 A CN 200610091323A CN 101086596 A CN101086596 A CN 101086596A
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- swing
- endoporus
- diaphragm
- shutter
- sheets
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Abstract
A small drive device for an aperture shutter comprises a motor unit, an outside cover at one end of the motor unit, several movably oscillating plates decorated between the outside cover the motor unit, and a linking unit. The motor unit comprises a shell, a stator part, a rotor part and a first inner hole. The outside cover has a second inner hole corresponding to the first inner hole. The oscillating plate has a pivot end, a swinging end, and a middle part with inner arc edge. The linking unit comprises several linking pin set on one of the rotor or swinging parts, and several linking slot set on the rotor part or the swinging end. The rotor part can be driven by the linking unit to allow the swinging of the oscillating plate.
Description
Technical field
The present invention relates to a kind of iris apparatus, particularly about a kind of small drive device of diaphragm and shutter.
Background technology
Fig. 1,2,3 is depicted as existing a kind of iris diaphragm device 12 that is installed in the camera lens 11.This camera lens 11 comprises that a pre-group eyeglass 111 and that is arranged at front end is arranged at back group's eyeglass 112 of rear end.This iris diaphragm device 12 is arranged between this pre-group eyeglass 111 and this back group's eyeglass 112, and has fixedly ring 123 of a rotation of the hoop 121, plurality of vanes 122 and.This rotation of the hoop 121 has a plurality of grooves 1211.Each blade 122 has a projection 1221 that can slide and is articulated in this fixedly pivot 1222 of ring 123 in these grooves 1211, respectively these projections 1221 are slidedly arranged in these chutes 1211 of this rotation of the hoop 121, and these pivots 1222 of these blades 122 are articulated in this respectively fixedly on the ring 123, and partly these overlapping blades 122 can form the aperture 124 of a similar circle.When the user rotates this rotation of the hoop 121, it is the center swing with these pivots 1222 that these projections 1221 that are slidedly arranged on these chutes 1211 drive these blades 122 respectively, and the bore of the aperture 124 of these blade 122 formed these similar circles is changed thereupon.
Above-mentioned iris diaphragm device 12 utilizes this rotation of the hoop 121 of manually rotation to drive these blade 122 swings, to adjust the caliber size of this aperture 124, though can reach the function of aperture, has following shortcomings:
One, needs the bore of manual adjustment aperture.
Two, only provide the aperture function, no shutter function.
Three, member is various, and is bulky, is not suitable for the camera lens of mobile lens or legerity type.
As shown in Figure 4, the novel application number in Taiwan has disclosed the iris apparatus 22 that existing another kind is installed in a camera lens 21 No. 88200565.This camera lens 21 comprises a lens barrel 211, a plurality of eyeglass 212 that is installed in this lens barrel 211.This iris apparatus 22 have a plurality of be installed on this lens barrel 211 and movably blade 221, to be set in this lens barrel 211 rotationally peripheral and can drive the ring 222 that these blades 221 move, and one drives the driver element 223 that this ring 222 rotates.These blades 221 are overlapped in this lens barrel 211, and form an aperture.This driver element 223 comprises that a motor 2231 and that is arranged at these lens barrel 211 sides is installed in the gear 2232 of a motor output shaft.Utilize this motor 2231 to drive these gears 2232, and then drive this ring 222 and rotate, can make these blades 221 close to each other or away from, with the caliber size of adjusting these blades 221 formed this aperture in this lens barrel 211 or close.
Said aperture device 22 utilizes this motor 2231 to drive this ring 222 and rotates, to adjust the caliber size of these blade 221 these apertures that formed, though can reach the function of aperture, but following shortcoming is arranged: because this motor 2231 is sides that are arranged at this camera lens 21 abreast, overall volume is bigger, and this motor 2231 also needs to be fixed in addition.
Summary of the invention
The object of the present invention is to provide and a kind ofly can adjust aperture automatically, also have shutter function, and the less drive unit of volume, to overcome above-mentioned the deficiencies in the prior art.
For achieving the above object, the small drive device of diaphragm and shutter of the present invention comprises a motor unit, an enclosing cover, a plurality of swing sheet and an interlock unit.This motor unit comprises that a housing with an axis, the annular stator portion, this housing in of being arranged at around this axis centers on this axis and is arranged at ring-shaped rotor portion in this housing, and one passes first endoporus of this rotor portions along this axis.
This enclosing cover is installed on this housing end outwardly, and has second endoporus corresponding to this first endoporus.These swing sheets are installed in respectively between this enclosing cover and this motor unit swingably, these swing sheets have respectively one with the pivot joint end of this enclosing cover pivot joint, the swing end of relative this pivot joint end, and one connect this and articulate end and this interlude of swinging the end, and these interludes have an inner arc edge towards this axis respectively.
This interlock unit comprises the linkage pin on a plurality of one of them person of swing end that are arranged at this rotor portions and these swing sheets respectively, and the linked slot on a plurality of another persons of swing end that are arranged at this rotor portions and these swing sheets respectively, these linkage pins can slip with these linked slots respectively.
This rotor portions can drive these swing sheets through this interlock unit and swing between a primary importance and a second place.When these swing sheets were rocked to this primary importance, the interior lonely edge of these interludes can cooperate the diaphragm hole that defines this first, second endoporus of connection; When these swing sheets when being rocked to this second place, these interludes are stacked mutually and block the connection of this first, second endoporus.
Compared with prior art, the small drive device of diaphragm and shutter of the present invention not only can drive the pendulum angle of swinging sheet and the caliber size of adjusting aperture by motor unit, but and complete closed aperture and have shutter function, and the step motor of hollow also can effectively dwindle volume of the present invention, so can realize purpose of the present invention really.
The present invention is further illustrated below in conjunction with accompanying drawing and embodiment.
Description of drawings
Fig. 1 is installed in the interior side cross-sectional schematic of a camera lens for existing a kind of iris diaphragm device.
Fig. 2 is slidedly arranged on the interior combination synoptic diagram of a chute of a rotation of the hoop for a projection of this existing iris diaphragm device one blade.
Fig. 3 is articulated in one respectively fixedly on the ring for a plurality of pivots of the plurality of vanes of this existing iris diaphragm, and these blades form the synoptic diagram of the aperture of a similar circle.
Fig. 4 is installed in the solid combination schematic appearance of the iris apparatus of a camera lens for existing another kind.
Fig. 5 is the perspective exploded view of small drive device one preferred embodiment of diaphragm and shutter of the present invention.
Fig. 6 is the schematic perspective view of an enclosing cover of this preferred embodiment.
Fig. 7 is the cross-sectional schematic of this preferred embodiment.
Fig. 8 is installed in the structural representation of a medial surface of this enclosing cover for a plurality of swing sheets of this preferred embodiment.
Fig. 9 is the cross-sectional schematic along 9-9 profile line among Fig. 7, shows the state of these swing sheets of this preferred embodiment in primary importance.
Figure 10 is the view of a similar Fig. 9, shows the state of these swing sheets of this preferred embodiment in primary importance;
Figure 11 is the view of a similar Fig. 9, shows the state of these swing sheets of this preferred embodiment in the second place.
Figure 12 is the view of a similar Fig. 7, show this preferred embodiment one first, second support the shoulder face and can supply a plurality of eyeglass butts respectively.
Embodiment
Relevant detailed description of the present invention and technology contents, existing as follows with regard to accompanying drawings:
As Fig. 5, Fig. 6 and shown in Figure 7, this preferred embodiment of the small drive device of diaphragm and shutter of the present invention can be installed in a camera or the camera lens (not shown).This preferred embodiment comprises: a motor unit 3, an enclosing cover 4, a plurality of swing sheet 5, and an interlock unit 6.The quantity of these swing sheets 5 in the present embodiment is three, but the quantity of these swing sheets 5 also can be more than three.
This motor unit 3 comprises a housing 31 with an axis X, around this axis X and be arranged at annular stator portions 32 in this housing 31, around this axis X and be arranged at first endoporus 34 that ring-shaped rotor portion 33 in this housing 31, passes this rotor portions 33 and can allow light pass through along this axis X, and one swings end plate 35 between the sheet 5 between this housing 31 and these.In the present embodiment, this motor unit 3 is a step motor, and this stator department 32 has a coil portion 321 and a magnet yoke ring 322.
This housing 31 has the interior leg 313 that a peripheral wall that extends along this axis X towards this enclosing cover 4 around the annular sidewall 311 of this axis X, by outer peripheral edges of this annular sidewall 311 312, is extended towards this enclosing cover 4 along this axis X by an inner peripheral of this annular sidewall 311, and one by this annular sidewall 311, this peripheral wall 312 with should in the accommodation space 314 that defines jointly of leg 313.This interior leg 313 has one first and supports shoulder face 315 and one second to shoulder face 316.This stator department 32 is placed in respectively in this accommodation space 314 with this rotor portions 33, and this rotor portions 33 this stator department 32 with this between the leg 313.This first endoporus 34 is defined around this axis X by leg in this 313.
This first endoporus 34 has first an aperture portion 341 away from this enclosing cover 4, contiguous this enclosing cover 4 and the aperture second aperture portion 342 less than this first aperture portion 341, and one between this first, second aperture portion 341,342 and the aperture less than this first aperture portion 341 and greater than the 3rd aperture portion 343 of this second aperture portion 342.This first supports shoulder face 315 and is formed between this first, the 3rd aperture portion 341,343, and this second supports shoulder face 316 and be formed between this second, third aperture portion 342,343.This end plate 35 has the 4th endoporus 351 corresponding to this first endoporus 34, and a plurality of first guide groove 352.This enclosing cover 4 is installed on this housing 31 end outwardly, and have second endoporus 41, a medial surface 42 towards this motor unit 3, a plurality of second guide groove 43 that is formed on this medial surface 42 corresponding to this first endoporus 34, and a plurality ofly face the pivot 44 that this motor unit 3 protrudes out along this axis X from this medial surface 42.
As Fig. 5, Fig. 7 and shown in Figure 8, these swing sheets 5 are installed in respectively between this enclosing cover 4 and this motor unit 3 swingably.These swing sheets 5 have pivot joint end 51, the swing end 52 with respect to this pivots joint end 51 that articulates with the pivot 44 of this enclosing cover 4 respectively, and one connects this and articulates end 51 and swing the interlude 53 of end 52 with this.These interludes 53 have an inner arc edge 531 towards this axis X respectively.
This interlock unit 6 comprises that one is installed on this rotor portions 33 and towards interlock ring 61, a plurality of linkage pin 62 that is arranged at respectively on this interlock ring 61 of an end face of these swing sheets 5, and a plurality of linked slot 63 that is arranged at respectively on these swing ends 52.This interlock ring 61 has the 3rd endoporus 611 corresponding to this first endoporus 34.Be arranged at these interlock rings 61 on an end face of these swing sheets 5, and parallel this axis X is extended towards the swing end 52 of these swing sheets 5 these linkage pin 62 radiuses such as grade.These first guide grooves 352 correspond respectively to these linkage pins 62, and these second guide grooves 43 correspond respectively to these first guide grooves 352.These linkage pins 62 stretched through these first guide grooves 352 respectively and slided in these first guide grooves 352, and stretched through these linked slots 63 and be slidably connected to these second guide grooves 43 respectively.
As Fig. 7, Fig. 9 and shown in Figure 11, when the rotor portions 33 that drives this motor unit 3 when this axis X is rotated, the interlock ring 61 that can drive this interlock unit 6 rotates, and the swing end 52 that utilizes these linkage pins 62, linked slot 63 to drive these swing sheets 5 respectively is the center with this pivot joint end 51, swing between a primary importance (see figure 9) and a second place (seeing Figure 11).
When these swing sheets 5 were rocked to this primary importance, the inner arc edge 531 of these swing sheet interludes 53 defined the aperture 54 of a similar circle.At this moment, the bore maximum of aperture 54, and can be communicated with this first, the 3rd, the 4th endoporus 34,611,351 and this second endoporus 41.When this rotor portions 33 is rotated counterclockwise, it be the center swing that these swing sheets 5 articulate ends 51 with these respectively, and aperture 54 bores that these inner arc edge 531 define are swung the swing of sheets 5 and dwindled (see figure 10) along with these.Therefore, control the rotation of this rotor portions 33, promptly may command these the swing sheets 5 pendulum angle, the bore of this aperture 54 can be adjusted.When this rotor portions 33 continues to be rotated counterclockwise, the bore of this aperture 54 also continues to dwindle, when these swing sheets 5 are rocked to this second place, the interlude 53 of these swing sheets 5 is stacked mutually and block being communicated with of this first, the 3rd, the 4th endoporus 34,611,351 and this second endoporus 41, these aperture 54 bores are complete closed also, and light will be by these stacked mutually swing sheet 5 blocking-up.Relatively, when this rotor portions 33 turns clockwise, these aperture 54 bores of may command are changed from small to big from complete closed, and the caliber size variation of controlling this aperture 54 can realize controlling the function of aperture and shutter with closed.In addition, the bore of aperture 54 is in the process that changes or close, and these linkage pins 62 slide in these first, second guide grooves 352,43 and lean, and make these linkage pins 62 be subjected to the spacing of these first, second guide grooves 352,43 respectively.Certainly, also the amount of spin of this motor unit 3 of may command makes these linkage pins 62 be subjected to spacing.
What deserves to be explained is that as shown in figure 12, the present invention can combine with a plurality of eyeglasses 7 and form a camera lens, these eyeglasses 7 be connected to this first, second support and can obtain preferable space utilization on the shoulder face 315,316, and dwindle whole camera lens volume.Again, these eyeglasses 7 also can cooperate a lens barrel (not shown) to should axis X and be located at any two opposite sides of the present invention (not shown).
Via above explanation, advantage of the present invention can be summarized as follows:
One, use this motor unit 3 to drive these swing sheet 5 swings, not needing manual operation is the size of these aperture 54 bores of may command.
Two, the caliber size of this aperture 54 not only can be adjusted, but also complete closed, therefore, with the effect of shutter.
Three, this motor unit 3 adopts hollow design, and its first endoporus 34 can pass through for light, and therefore, overall volume is less.
Four, this motor unit 3 and these enclosing cover 4 coaxial settings, locking can be located each other, and therefore, this motor unit 3 does not need fixing in addition.
In sum, the small drive device of diaphragm and shutter of the present invention, not only can adjust the caliber size of aperture by the pendulum angle that motor unit drives the swing sheet, but and complete closed aperture and have shutter function, and the step motor of hollow more can dwindle volume of the present invention effectively.
Claims (2)
1, a kind of small drive device of diaphragm and shutter comprises a motor unit, an enclosing cover, a plurality of swing sheet and an interlock unit, it is characterized in that:
This motor unit comprises that a housing with an axis, the annular stator portion, this housing in of being arranged at around this axis centers on this axis and is arranged at ring-shaped rotor portion in this housing, and one passes first endoporus of this rotor portions along this axis;
This enclosing cover is installed on this housing end outwardly, and has second endoporus corresponding to this first endoporus;
These a plurality of swing sheets are installed in respectively between this enclosing cover and this motor unit swingably, these swing sheets have respectively one with the pivot joint end of this enclosing cover pivot joint, the swing end of relative this pivot joint end, and one connect this and articulate end and this interlude of swinging the end, and these interludes have an inner arc edge towards this axis respectively; These swing sheets can be swung between a primary importance and a second place, and when this swing sheet was rocked to this primary importance, the inner arc edge of these interludes can cooperate the diaphragm hole that defines this first, second endoporus of connection; When these swing sheets when being rocked to this second place, these interludes are stacked mutually and block this first, second endoporus;
This interlock unit comprises the linkage pin on a plurality of one of them person of swing end that are arranged at this rotor portions and these swing sheets respectively, and a plurality of this rotor portions that is arranged at is respectively swung linked slot on another persons of swing end of sheets with these; These linkage pins can slip with these linked slots respectively; This rotor portions can drive these swing sheets through this interlock unit and swing between this first, second position.
2, the small drive device of diaphragm and shutter as claimed in claim 1 is characterized in that these linkage pins are arranged at this rotor portions on an end of this enclosing cover, and these linked slots are arranged at respectively on the swing end of these swing sheets.
The small drive device of diaphragm and shutter as claimed in claim 2 is characterized in that this interlock unit comprises that one is installed in the interlock ring of this rotor portions on an end of these swing sheets, and this interlock ring has the 3rd endoporus corresponding to this first endoporus; Be arranged at these interlock rings on an end face of these swing sheets, and parallel this axis extends towards the swing end of these swing sheets radiuses such as these linkage pins.
The small drive device of diaphragm and shutter as claimed in claim 3, it is characterized in that this motor unit comprises that one is installed on this housing, and the end plate between this housing and these swing sheets, this end plate has the 4th endoporus corresponding to this first endoporus.
The small drive device of diaphragm and shutter as claimed in claim 4 is characterized in that this end plate has a plurality of first guide grooves corresponding to these linkage pins, and these linkage pins pass these first guide grooves respectively, and slip with these linked slots.
The small drive device of diaphragm and shutter as claimed in claim 5, it is characterized in that this enclosing cover has a medial surface towards this motor unit, and a plurality ofly correspond respectively to these first guide grooves and be formed at second guide groove on this medial surface, these linkage pins penetrate these second guide grooves respectively, and slip with these second guide grooves.
The small drive device of diaphragm and shutter as claimed in claim 1 is characterized in that this motor unit is a step motor.
The small drive device of diaphragm and shutter as claimed in claim 1, it is characterized in that this housing has the interior leg that a peripheral wall that extends towards this enclosing cover along this axis around the annular sidewall of this axis, by outer peripheral edges of this annular sidewall, is extended towards this enclosing cover along this axis by an inner peripheral of this annular sidewall, and one by this annular sidewall, this peripheral wall with should in the accommodation space that defines jointly of leg; This stator department and this rotor portions are placed in this accommodation space, and this rotor portions this stator department and should between the leg; This first endoporus is defined around this axis by leg in this.
, diaphragm and shutter as claimed in claim 8 small drive device, it is characterized in that this first endoporus has first an aperture portion away from this enclosing cover, contiguous this enclosing cover and the aperture second aperture portion less than this first aperture portion, and one between this first, second aperture portion and the aperture less than this first aperture portion and greater than the 3rd aperture portion of this second aperture portion; This interior leg has first between this first and third aperture portion that be defined in and supports the shoulder face, and second between this second and third aperture portion that be defined in supports the shoulder face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610091323A CN100589019C (en) | 2006-06-09 | 2006-06-09 | Small drive device for diaphragm and shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610091323A CN100589019C (en) | 2006-06-09 | 2006-06-09 | Small drive device for diaphragm and shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101086596A true CN101086596A (en) | 2007-12-12 |
| CN100589019C CN100589019C (en) | 2010-02-10 |
Family
ID=38937628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610091323A Expired - Fee Related CN100589019C (en) | 2006-06-09 | 2006-06-09 | Small drive device for diaphragm and shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100589019C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110858048A (en) * | 2018-08-22 | 2020-03-03 | 三星电机株式会社 | Aperture diaphragm and camera module including the same |
| WO2020258096A1 (en) * | 2019-06-26 | 2020-12-30 | 深圳市大疆创新科技有限公司 | Motor, shutter device, and photographing device |
| WO2020258091A1 (en) * | 2019-06-26 | 2020-12-30 | 深圳市大疆创新科技有限公司 | Shutter structure and photographing device |
| CN112513731A (en) * | 2020-02-28 | 2021-03-16 | 深圳市大疆创新科技有限公司 | Exposure unit, lens assembly, photographing apparatus, and method of assembling exposure unit |
| WO2022052039A1 (en) * | 2020-09-11 | 2022-03-17 | Huawei Technologies Co., Ltd. | A device for variable aperture |
| CN115657294A (en) * | 2022-12-26 | 2023-01-31 | 中国航天三江集团有限公司 | Spiral adjustable high-power laser liquid cooling stop diaphragm |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004258062A (en) * | 2003-02-24 | 2004-09-16 | Alps Electric Co Ltd | Shutter driving device used also as diaphragm |
| JP2004348051A (en) * | 2003-05-26 | 2004-12-09 | Alps Electric Co Ltd | Shutter driving device in common use as diaphragm |
| CN1737678A (en) * | 2004-08-17 | 2006-02-22 | 华晶科技股份有限公司 | Aperture shutter apparatus of camera |
-
2006
- 2006-06-09 CN CN200610091323A patent/CN100589019C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110858048A (en) * | 2018-08-22 | 2020-03-03 | 三星电机株式会社 | Aperture diaphragm and camera module including the same |
| US10969653B2 (en) | 2018-08-22 | 2021-04-06 | Samsung Electro-Mechanics Co., Ltd. | Aperture stop and camera module including the same |
| CN110858048B (en) * | 2018-08-22 | 2021-11-23 | 三星电机株式会社 | Aperture diaphragm and camera module including the same |
| WO2020258096A1 (en) * | 2019-06-26 | 2020-12-30 | 深圳市大疆创新科技有限公司 | Motor, shutter device, and photographing device |
| WO2020258091A1 (en) * | 2019-06-26 | 2020-12-30 | 深圳市大疆创新科技有限公司 | Shutter structure and photographing device |
| CN112513731A (en) * | 2020-02-28 | 2021-03-16 | 深圳市大疆创新科技有限公司 | Exposure unit, lens assembly, photographing apparatus, and method of assembling exposure unit |
| WO2022052039A1 (en) * | 2020-09-11 | 2022-03-17 | Huawei Technologies Co., Ltd. | A device for variable aperture |
| CN115657294A (en) * | 2022-12-26 | 2023-01-31 | 中国航天三江集团有限公司 | Spiral adjustable high-power laser liquid cooling stop diaphragm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100589019C (en) | 2010-02-10 |
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