CN203930288U - Be used for the aperture optical gate of aperture device from motion tracking light modulating device - Google Patents
Be used for the aperture optical gate of aperture device from motion tracking light modulating device Download PDFInfo
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- CN203930288U CN203930288U CN201420310965.6U CN201420310965U CN203930288U CN 203930288 U CN203930288 U CN 203930288U CN 201420310965 U CN201420310965 U CN 201420310965U CN 203930288 U CN203930288 U CN 203930288U
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- optical gate
- aperture
- hole
- strip hole
- pivot
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- 230000003287 optical effect Effects 0.000 title claims abstract description 83
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
Be used for the aperture optical gate of aperture device from motion tracking light modulating device, it comprises optical gate pull bar, optical gate banking stop, two optical gate sheets, the first pivot, the second pivot and the 3rd pivots; On substrate, offer the first strip hole and pivoted hole; On optical gate banking stop, offer the second strip hole, optical gate sheet is connected and composed successively by driver blade, brace and anti-dazzling screen, offers the 3rd strip hole on driver blade; One end of optical gate pull bar is articulated on joint pin by the first pivot, and the other end is articulated on the first strip hole by the second pivot, so that described the second pivot can slide along the track of the first strip hole; The second pivot is also located on the second strip hole and the 3rd strip hole, and the second strip hole overlaps with the first strip hole; The brace of optical gate sheet is articulated on pivoted hole by the 3rd pivot, so that optical gate sheet can rotate around the 3rd pivot.The utility model does not affect the normal control of aperture size, only has and is adjusted to minimum time when aperture, and optical gate sheet just can block aperture.
Description
Technical field
The utility model relates to aperture optical gate for aperture device from motion tracking light modulating device.
Background technology
As everyone knows, current aperture device is generally applied to photographic equipment, by regulating the size of aperture, obtain the image of the different depth of field, therefore, aperture is impossible completely closed and lighttight, even if reach minimum (as f32, f64 etc.), still there is certain light to see through.That is to say, if traditional aperture device (as the application number disclosed manual iris structure of Chinese utility model patent that is 201220730288.4) is applied to stage lighting, due to the demand of some lighting effects, need to aperture is completely closed, but current aperture device is difficult to meet this demand.
Utility model content
The purpose of this utility model is to propose a kind of aperture optical gate for aperture device from motion tracking light modulating device, and it can solve the problem that aperture can not be completely closed.
In order to achieve the above object, the technical scheme that the utility model adopts is as follows:
Be used for the aperture optical gate of aperture device from motion tracking light modulating device; described aperture device comprise one offer the substrate of a light hole and an arcuate socket, multiple aperture blades, one and the reversed column and that links with described plectrum of the plectrum of described aperture blades interlock, for driving described reversed column to slide to control along the track of described arcuate socket the runner that described aperture blades is controlled the transparent aperture of described light hole, described runner is fixedly connected with described reversed column by a joint pin.Described aperture optical gate comprises an optical gate pull bar, an optical gate banking stop, two optical gate sheets, one first pivot, one second pivot and one the 3rd pivots from motion tracking light modulating device; On described substrate, also offer one first strip hole and a pivoted hole, the center of circle of described pivoted hole and the center of circle of light hole are all positioned on the axis of length direction of described the first strip hole, and described pivoted hole is between the first strip hole and light hole; On described optical gate banking stop, offer one second strip hole, described optical gate sheet is connected and composed successively by driver blade, brace and anti-dazzling screen, offers the 3rd strip hole on described driver blade; One end of described optical gate pull bar is articulated on described joint pin by the first pivot, and the other end is articulated on described the first strip hole by the second pivot, so that described the second pivot can slide along the track of described the first strip hole; Described the second pivot is also located on the second strip hole and the 3rd strip hole, and the second strip hole overlaps with the first strip hole, and two the 3rd strip holes form rotational symmetry setting with the axis of the first strip hole, so that two optical gate sheets also form rotational symmetry setting; The brace of optical gate sheet is articulated on pivoted hole by the 3rd pivot, so that optical gate sheet can rotate around described the 3rd pivot; Described optical gate banking stop is fixedly connected with substrate, and optical gate sheet is between substrate and optical gate banking stop;
In the time that reversed column is positioned at one end of arcuate socket, the transparent aperture maximum of light hole, and aperture blades blocks the anti-dazzling screen of described optical gate sheet; In the time that reversed column is positioned at the other end of arcuate socket, the transparent aperture minimum of light hole, and the anti-dazzling screen of optical gate sheet blocks described light hole.
Preferably, the middle part of described the 3rd strip hole is arc-shaped transition portion, and the crest of described arc-shaped transition portion points to the axis of described the first strip hole.
Preferably, the anti-dazzling screen of described optical gate sheet is half-circle-arc shape, and the center of circle of circle and the center of circle of light hole that the anti-dazzling screen of two optical gate sheets forms overlap, and its radius is more than or equal to the radius of described light hole.
The utlity model has following beneficial effect:
Do not affect the normal control of aperture size, only have and be adjusted to minimum time when aperture, optical gate sheet just can block aperture, thereby reaches the object of complete closed aperture.
Brief description of the drawings
Fig. 1 is that the aperture optical gate of the utility model preferred embodiment is from the structural representation of motion tracking light modulating device;
Fig. 2 is the structural representation of the substrate of Fig. 1;
Fig. 3 is the structural representation of the optical gate sheet of Fig. 1;
Fig. 4 is the structural representation of the optical gate banking stop of Fig. 1.
Reference numeral: 1, optical gate pull bar; 2, optical gate sheet; 21, driver blade; 22, brace; 23, anti-dazzling screen; 3, optical gate banking stop; 4, the first pivot; 5, the second pivot; 6, the 3rd pivot; 7, the 3rd strip hole; 71, arc-shaped transition portion; 8, the second strip hole; 9, through hole; 100, substrate; 101, runner; 102, joint pin; 103, arcuate socket; 104, light hole; 105, the first strip hole; 106, pivoted hole; 107, reversed column.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further.
In conjunction with shown in Fig. 1 to Fig. 4, a kind of aperture optical gate for aperture device is from motion tracking light modulating device, and it is improved by traditional aperture device.
Traditional aperture device comprise one offer the substrate 100 of a light hole 104 and an arcuate socket 103, multiple aperture blades (figure depending on), one with the plectrum of described aperture blades interlock (figure depending on), one and the reversed column 107 and that links of described plectrum for driving described reversed column 107 to slide to control along the track of described arcuate socket 103 runner 101 that described aperture blades is controlled the transparent aperture of described light hole 104, described runner 101 is fixedly connected with described reversed column 107 by a joint pin 102.The principle of work of traditional aperture device is very ripe, does not repeat them here.
Introduce in detail the improvement structure of the present embodiment below.
Described aperture optical gate comprises an optical gate pull bar 1, an optical gate banking stop 3, two optical gate sheets 2, one first pivot 4, one second pivot 5 and one the 3rd pivots 6 from motion tracking light modulating device.
On described substrate 100, also offer one first strip hole 105 and a pivoted hole 106, the center of circle of the center of circle of described pivoted hole 106 and light hole 104 is all positioned on the axis of length direction of described the first strip hole 105, and described pivoted hole 106 is between the first strip hole 105 and light hole 104.
On described optical gate banking stop 3, offer one second strip hole 8.The size and dimension of the second strip hole 8 is identical with the first strip hole 105.
Described optical gate sheet 2 is connected and composed successively by driver blade 21, brace 22 and anti-dazzling screen 23, offers the 3rd strip hole 7 on described driver blade 21.The middle part of described the 3rd strip hole 7 is arc-shaped transition portion 71, and the crest of described arc-shaped transition portion 71 points to the axis of described the first strip hole 105.The anti-dazzling screen 23 of described optical gate sheet 2 is half-circle-arc shape, and the center of circle of the circle that the anti-dazzling screen 23 of two optical gate sheets 2 forms overlaps with the center of circle of light hole 104, and its radius is more than or equal to the radius of described light hole 104.
One end of described optical gate pull bar 1 is articulated on described joint pin 102 by the first pivot 4, and the other end is articulated on described the first strip hole 105 by the second pivot 5, so that described the second pivot 5 can slide along the track of described the first strip hole 105.Simultaneously, described the second pivot 5 is also located on the second strip hole 8 and the 3rd strip hole 7, the second strip hole 8 overlaps with the first strip hole 105, and two the 3rd strip holes 7 form rotational symmetry setting with the axis of the first strip hole 105, so that two optical gate sheets 2 also form rotational symmetry setting.
On the brace 22 of optical gate sheet 2, offer through hole 9, this through hole 9 is articulated on pivoted hole 106 by the 3rd pivot 6, so that optical gate sheet 2 can rotate around described the 3rd pivot 6.
Described optical gate banking stop 3 is fixedly connected with substrate 100, and optical gate sheet 2 is between substrate 100 and optical gate banking stop 3, so that optical gate sheet 2 can not be deviate under the driving of optical gate pull bar 1.
The course of work of the present embodiment is as follows:
In the time that reversed column 107 is positioned at one end of arcuate socket 103, the transparent aperture maximum of light hole 104, i.e. aperture maximum (so time f-number be f1.8), and now aperture blades blocks the anti-dazzling screen 23 of described optical gate sheet 2.That is to say, anti-dazzling screen 23 does not affect the size of aperture.And in the time that reversed column 107 is slided along arcuate socket 103, transparent aperture reduces gradually, meanwhile, optical gate pull bar 1 is together motion also, the second pivot 5 is moved along the first strip hole 105, thereby also force optical gate sheet 2 to rotate around the 3rd pivot 6, and in whole motion process, the anti-dazzling screen 23 of optical gate sheet 2 is also still blocked by aperture blades, thereby do not affect the normal regulating of aperture, this realizes owing to being provided with arc-shaped transition portion 71 on the 3rd strip hole 7, the length of arc-shaped transition portion 71 is longer than the length of the first strip hole 105, thereby the distance that the second pivot 5 is streaked on the 3rd strip hole 7 is longer, slow down the relative motion of the anti-dazzling screen 23 of optical gate sheet 2.
In the time that reversed column 107 is positioned at the other end of arcuate socket 103, the transparent aperture minimum of light hole 104 (if f-number is f32), the anti-dazzling screen 23 of optical gate sheet 2 partly overlaps, thereby blocks described light hole 104, realizes aperture closure.
Shown in the dotted line of reversed column 107 on arcuate socket 103 and in the second pivot 5 visible Fig. 1 of relative movement orbit on the first strip hole 105 and the 3rd strip hole 7.
The aperture device of the present embodiment can be manual iris mechanism, can be also electronic aperture device.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the utility model claim within.
Claims (3)
- For the aperture optical gate of aperture device from motion tracking light modulating device, described aperture device comprises that one offers the substrate of a light hole and an arcuate socket, multiple aperture blades, one with the plectrum of described aperture blades interlock, one with the reversed column and of described plectrum interlock for driving described reversed column to slide to control along the track of described arcuate socket the runner that described aperture blades is controlled the transparent aperture of described light hole, described runner is fixedly connected with described reversed column by a joint pin, it is characterized in that, described aperture optical gate comprises an optical gate pull bar from motion tracking light modulating device, one optical gate banking stop, two optical gate sheets, one first pivot, one second pivot and one the 3rd pivot, on described substrate, also offer one first strip hole and a pivoted hole, the center of circle of described pivoted hole and the center of circle of light hole are all positioned on the axis of length direction of described the first strip hole, and described pivoted hole is between the first strip hole and light hole, on described optical gate banking stop, offer one second strip hole, described optical gate sheet is connected and composed successively by driver blade, brace and anti-dazzling screen, offers the 3rd strip hole on described driver blade, one end of described optical gate pull bar is articulated on described joint pin by the first pivot, and the other end is articulated on described the first strip hole by the second pivot, so that described the second pivot can slide along the track of described the first strip hole, described the second pivot is also located on the second strip hole and the 3rd strip hole, and the second strip hole overlaps with the first strip hole, and two the 3rd strip holes form rotational symmetry setting with the axis of the first strip hole, so that two optical gate sheets also form rotational symmetry setting, the brace of optical gate sheet is articulated on pivoted hole by the 3rd pivot, so that optical gate sheet can rotate around described the 3rd pivot, described optical gate banking stop is fixedly connected with substrate, and optical gate sheet is between substrate and optical gate banking stop,In the time that reversed column is positioned at one end of arcuate socket, the transparent aperture maximum of light hole, and aperture blades blocks the anti-dazzling screen of described optical gate sheet; In the time that reversed column is positioned at the other end of arcuate socket, the transparent aperture minimum of light hole, and the anti-dazzling screen of optical gate sheet blocks described light hole.
- 2. the aperture optical gate for aperture device as claimed in claim 1, from motion tracking light modulating device, is characterized in that, the middle part of described the 3rd strip hole is arc-shaped transition portion, and the crest of described arc-shaped transition portion points to the axis of described the first strip hole.
- 3. the aperture optical gate for aperture device as claimed in claim 1 is from motion tracking light modulating device, it is characterized in that, the anti-dazzling screen of described optical gate sheet is half-circle-arc shape, the center of circle of circle and the center of circle of light hole that the anti-dazzling screen of two optical gate sheets forms overlap, and its radius is more than or equal to the radius of described light hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310965.6U CN203930288U (en) | 2014-06-11 | 2014-06-11 | Be used for the aperture optical gate of aperture device from motion tracking light modulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310965.6U CN203930288U (en) | 2014-06-11 | 2014-06-11 | Be used for the aperture optical gate of aperture device from motion tracking light modulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203930288U true CN203930288U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420310965.6U Expired - Lifetime CN203930288U (en) | 2014-06-11 | 2014-06-11 | Be used for the aperture optical gate of aperture device from motion tracking light modulating device |
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| Country | Link |
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| CN (1) | CN203930288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099225A (en) * | 2019-06-18 | 2020-12-18 | 三星电机株式会社 | Aperture module and camera module including the same |
-
2014
- 2014-06-11 CN CN201420310965.6U patent/CN203930288U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099225A (en) * | 2019-06-18 | 2020-12-18 | 三星电机株式会社 | Aperture module and camera module including the same |
| CN112099225B (en) * | 2019-06-18 | 2023-01-10 | 三星电机株式会社 | Aperture module and camera module including the same |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |