CN107015418B - Camera shading device - Google Patents
Camera shading device Download PDFInfo
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- CN107015418B CN107015418B CN201710376894.8A CN201710376894A CN107015418B CN 107015418 B CN107015418 B CN 107015418B CN 201710376894 A CN201710376894 A CN 201710376894A CN 107015418 B CN107015418 B CN 107015418B
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- plate
- light screen
- light
- shading plate
- shading
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- 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
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
- G03B11/046—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids for viewfinders or eyepieces
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Abstract
The invention relates to a shading device of a camera, which comprises a lens plate, a shading plate and a camera body plate; the front side surface of the body plate is provided with a mounting groove, and the center of the mounting groove is provided with a viewfinder; the light shading plate and the lens plate are sequentially stacked in the mounting groove, and light sealing cloth is arranged between the lens plate and the light shading plate and between the light shading plate and the machine body plate; the light screen includes last light screen and lower light screen that the interval set up from top to bottom, but go up light screen and lower light screen through the lens plate up-and-down motion, locate mounting groove with the spacing, realize the control of finding a view to the biggest of viewfinder, the highest view and the bottommost view, satisfy the requirement of finding a view of various tilt-shift cameras, application scope is extremely wide, and the structure is ingenious, compact moreover, has both reduced overall dimension greatly, has alleviateed weight again.
Description
Technical Field
The invention belongs to the technical field of photographic equipment, and particularly relates to a shading device of a camera.
Background
At present, the sealed shaft-shifting device required in the market is provided with a shading device, such as a camera, wherein the shading device comprises a lens plate, a shading plate and a machine body plate, and the framing range of a viewfinder is adjusted by adjusting the shading plate up and down. However, because the light screen of the existing camera shading device is a light screen of which the center is provided with a viewing hole with the same shape and size as those of a viewing window of a camera body plate, the whole shading device has the advantages of higher longitudinal height, larger volume, heavy weight, inconvenient collection, carrying and use, smaller viewing range, single application range, and incapability of being generally used on other shaft-shifting devices and meeting the requirements of users.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the camera shading device which can carry out maximum framing, highest framing and lowest framing control on the viewfinder, meets the framing requirements of various tilt-shift cameras, and has the advantages of extremely wide application range, ingenious and compact structure, small overall dimension and light weight.
In order to solve the technical problems, the invention adopts the following technical scheme:
a camera shading device comprises a lens plate, a shading plate and a camera body plate; the front side surface of the fuselage panel is provided with a mounting groove, and the central position of the mounting groove is provided with a viewfinder; the light shading plate and the lens plate are sequentially stacked in the mounting groove, and light sealing cloth is arranged between the lens plate and the light shading plate and between the light shading plate and the machine body plate; the light screen includes last light screen and lower light screen that the interval set up from top to bottom, but go up light screen and lower light screen through the lens plate up-and-down motion, adjust the interval locate the mounting groove in, realize the control of finding a view, the highest finding a view and finding a view of bottommost to the viewfinder.
Furthermore, the upper light screen and the lower light screen are respectively provided with a connecting clamping pin and a connecting clamping seat which extend towards opposite directions of the upper light screen and the lower light screen, the connecting clamping seat is provided with a connecting clamping groove, and the connecting clamping pin is movably clamped in the connecting clamping groove.
Furthermore, the connecting clamp foot and the connecting clamp groove are respectively a connecting slide rod and a linear slide way with an opening at one end, which are matched with each other, a slide groove and a slide rail are arranged on the side surface of the connecting slide rod and the side surface of the linear slide way, and the connecting clamp foot can be pulled out and inserted into the connecting clamp groove.
Furthermore, the connecting clamping pin and the lower light screen are integrally formed, and the connecting clamping groove and the upper light screen are integrally formed.
Furthermore, the left side and the right side of the upper light screen and the lower light screen are respectively provided with an upper marble control hole and a lower marble control hole, the corresponding positions of the lens board facing to the surface of one side of the light screen are respectively provided with an upper elastic sheet and a lower elastic sheet, the end parts of the upper elastic sheet and the lower elastic sheet are provided with marbles, an upper guide groove and a lower guide groove are arranged in the mounting groove of the body board, and the upper guide groove and the lower guide groove are positioned on the left side and the right side of the viewfinder; during installation, the marbles of the upper elastic sheet and the lower elastic sheet respectively penetrate through an upper marble control hole of the upper light screen and a lower marble control hole of the lower light screen and are movably clamped in an upper guide groove and a lower guide groove of the machine body plate respectively.
Furthermore, an upper positioning hole and a lower positioning hole are respectively formed in the upper end of the upper light shielding plate and the lower end of the lower light shielding plate, and an upper positioning bead and a lower positioning bead are respectively arranged at the upper end and the lower end in the installation groove of the fuselage panel; when the viewfinder is controlled to realize maximum viewfinder, the upper light shading plate and the lower light shading plate respectively move to the upper end and the lower end of the mounting groove under the driving of the lens plate, and an upper positioning hole of the upper light shading plate and a lower positioning hole of the lower light shading plate are respectively clamped on the upper positioning bead and the lower positioning bead; when the viewfinder is controlled to be in the highest view finding state, the upper light screen moves to the upper end of the mounting groove under the driving of the lens plate, the upper positioning hole is clamped on the upper positioning ball, at the moment, the marble of the upper elastic sheet is separated from the upper guide groove and the upper marble control hole, and meanwhile, the lower light screen drives the lower positioning hole to be separated from the lower positioning ball and move upwards under the driving of the lens plate until the position is in the minimum distance state with the upper light screen; when the control viewfinder is switched from the highest view finding to the lowest view finding, the lower light screen moves to the lower end of the mounting groove under the driving of the lens plate, an upper positioning hole of the upper light screen is clamped on an upper positioning bead, a marble of the lower elastic sheet is clamped on a lower marble control hole of the lower light screen, the lower light screen pushes the lower light screen to move downwards under the driving of the lens plate, the lower positioning hole is clamped on the lower positioning bead, the marble of the lower elastic sheet is separated from the lower guide groove and the lower marble control hole at the moment, meanwhile, the marble of the upper elastic sheet is clamped on the upper marble control hole of the upper light screen to pull the upper light screen to move downwards, and the upper positioning hole of the upper light screen is separated from the upper positioning bead until the state of the minimum distance between the upper positioning hole and the lower light screen.
Furthermore, the upper marble control hole, the upper positioning hole and the upper light screen are integrally formed, and the lower marble control hole, the lower positioning hole and the lower light screen are integrally formed.
The beneficial effects of the invention are:
by adopting the technical scheme, the invention can meet the framing requirements of various tilt-shift cameras according to the control of realizing the maximum framing, the highest framing and the lowest framing of the viewfinder, has extremely wide application range and ingenious and compact structure, greatly reduces the overall dimension and lightens the weight.
Drawings
The invention will be further described with reference to the following detailed description of embodiments and with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a shading device of a camera according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembly structure of a shading device of a camera according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a light shielding plate in an embodiment of a light shielding apparatus for a camera according to the present invention;
fig. 4 is a schematic structural diagram of a camera body panel in an embodiment of the shading device of the camera according to the present invention;
FIG. 5 is a schematic view of a camera shading device according to an embodiment of the present invention, adjusted to a maximum viewing state;
FIG. 6 is a schematic view illustrating a structural principle of a camera shading device according to an embodiment of the present invention adjusted to a highest viewing state;
fig. 7 is a schematic view of a structural principle of a camera shading device according to an embodiment of the present invention, which is adjusted to a bottom view state.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 7:
the embodiment of the invention provides a camera shading device, which comprises a lens plate 1, a shading plate 2 and a camera body plate 3; wherein, the front side surface of the fuselage panel 3 is provided with a mounting groove 31, and the central position of the mounting groove 31 is provided with a viewfinder 32; the light screen 2 and the lens plate 1 are sequentially stacked in the mounting groove 31, and light sealing cloth 4 (such as light sealing flannelette) is arranged between the lens plate 1 and the light screen 2 and between the light screen 2 and the body plate 3; the light screen 2 comprises an upper light screen 21 and a lower light screen 22 which are arranged at an upper interval and a lower interval, the upper light screen 21 and the lower light screen 22 can be arranged in the mounting groove 31 through the lens plate 1 in an up-and-down movement and interval adjustment manner, and the control of maximum framing, highest framing and bottommost framing of the viewfinder 32 is realized.
The concrete structure can be as follows: the upper light screen 21 and the lower light screen 22 are respectively provided with a connecting clamping pin 23 and a connecting clamping seat 24 which extend towards opposite directions, the connecting clamping seat 24 is provided with a connecting clamping groove 25, and the connecting clamping pin 23 is movably clamped in the connecting clamping groove 25; the connecting clamp leg 23 and the lower shading plate 22 are integrally formed, and the connecting clamp groove 25 and the upper shading plate 21 are integrally formed. The connecting clamp leg 23 and the connecting clamp groove 25 are respectively a connecting slide bar and a linear slide way with an opening at one end, which are matched with each other, a slide groove and a slide rail are arranged on the side surface of the connecting slide bar and the side surface of the linear slide way, and the connecting clamp leg 23 can be inserted into the connecting clamp groove 25 in an extractable and insertable manner. Moreover, the left and right sides of the upper light screen 21 and the lower light screen 22 are respectively provided with an upper marble control hole 26 and a lower marble control hole 27, the corresponding positions of the surface of one side of the lens plate 1 facing the light screen 22 are respectively provided with an upper elastic sheet 11 and a lower elastic sheet 12, the end parts of which are provided with marbles 13, the mounting groove 31 of the fuselage panel 3 is internally provided with an upper guide groove 33 and a lower guide groove 34, and the upper guide groove 33 and the lower guide groove 34 are positioned on the left and right sides of the viewfinder 32; when the device is installed, the marbles 13 of the upper spring plate 11 and the lower spring plate 12 respectively pass through the upper marble control hole 26 of the upper light screen 21 and the lower marble control hole 27 of the lower light screen 22, and then are respectively and movably clamped in the upper guide groove 33 and the lower guide groove 34 of the body plate 3. Meanwhile, the upper end of the upper light shielding plate 21 and the lower end of the lower light shielding plate 22 are respectively provided with an upper positioning hole 28 and a lower positioning hole 29, and the upper end and the lower end of the installation groove 31 of the fuselage panel 3 are respectively provided with an upper positioning bead 35 and a lower positioning bead 36. The upper marble control hole 26 and the upper positioning hole 28 are integrally formed with the upper light-shielding plate 21, and the lower marble control hole 27 and the lower positioning hole 29 are integrally formed with the lower light-shielding plate 22.
When the camera shading device is used, a user can respectively move the upper shading plate 21 and the lower shading plate 22 to the upper end and the lower end of the mounting groove 31 by operating the lens plate 1, so that the upper shading plate 21 and the lower shading plate 22 are in a maximum distance state (at the moment, the connecting clamping pin 23 is completely drawn out to the opening of the connecting clamping groove 25), the upper positioning hole 28 of the upper shading plate 21 and the lower positioning hole 29 of the lower shading plate 22 are respectively clamped on the upper positioning bead 35 and the lower positioning bead 36, and the viewfinder 32 is controlled to be in a maximum viewfinder state, as shown in fig. 5; the user can also move to the upper end of the mounting groove 31 by operating the lens board 1, the upper positioning hole 28 is clamped on the upper positioning ball 35, at this time, the marble 13 of the upper elastic sheet 11 is separated from the upper guide groove 33 and the upper marble control hole 26, and simultaneously, the lower light screen 22 drives the lower positioning hole 29 to be separated from the lower positioning ball 36 and move upwards under the driving of the lens board 1 until the distance between the lower light screen 21 and the lower light screen is the minimum distance state (namely, the connecting clamping pin 23 is completely inserted into the connecting clamping groove 25), and the upper control viewfinder 32 is in the highest viewfinder state, as shown in fig. 6; the user can also move the lower light screen 22 to the lower end of the mounting groove 31 by operating the lens board 1, the upper positioning hole 28 of the upper light screen 21 is clamped on the upper positioning bead 35, the marble 13 of the lower elastic sheet 12 is clamped on the lower marble control hole 27 of the lower light screen 22, the lower light screen 22 is driven by the lens board 1 to push the lower light screen 22 to move downwards, the lower positioning hole 29 is clamped on the lower positioning bead 36, at this time, the marble 13 of the lower elastic sheet 12 is separated from the lower guide groove 34 and the lower marble control hole 27, meanwhile, the marble 13 of the upper elastic sheet 11 is clamped on the upper marble control hole 26 of the upper light screen 21 to pull the upper light screen 21 to move downwards, the upper positioning hole 28 of the upper light screen 21 is separated from the upper positioning bead 35 until the position is in the minimum distance state with the lower light screen 22 (namely, the connecting clamping pin 23 is completely inserted into the connecting clamping groove 25), the viewfinder window 32 is controlled to be switched from the highest view state to the lowest view state, as shown in fig. 7.
Thus, the camera shading device can meet the view finding requirements of various tilt-shift cameras according to the control of realizing the maximum view finding, the highest view finding and the lowest view finding of the view finding window 32, has extremely wide application range and ingenious and compact structure, greatly reduces the external dimension (can save the longitudinal height relative to the traditional shading device, and is the total distance of the relative movement of the upper shading plate 21 and the lower shading plate 22), and also reduces the weight.
The camera shading device is suitable for all shaft shifting devices with optical paths needing to be sealed, such as lenses or recording media of various civil and industrial image recording devices, including but not limited to photographic cameras, industrial cameras, semiconductor lithography machines and the like.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (5)
1. A camera shade characterized in that: comprises a lens plate (1), a light screen (2) and a machine body plate (3); wherein, the front side surface of the fuselage panel (3) is provided with a mounting groove (31), and the center of the mounting groove (31) is provided with a viewfinder (32); the light shading plates (2) and the lens plate (1) are sequentially stacked in the mounting groove (31), and light sealing cloth (4) is arranged between the lens plate (1) and the light shading plates (2) and between the light shading plates (2) and the machine body plate (3); the light shading plate (2) comprises an upper light shading plate (21) and a lower light shading plate (22) which are arranged at an interval from top to bottom, and the upper light shading plate (21) and the lower light shading plate (22) are arranged in the mounting groove (31) through the lens plate (1) in a vertically movable and interval-adjustable manner, so that the control of maximum framing, highest framing and bottommost framing of the viewfinder window (32) is realized;
the camera lens comprises an upper light screen (21), a lower light screen (22), a lens plate (1), an upper elastic sheet (11), a lower elastic sheet (12), an upper guide groove (33), a lower guide groove (34) and a lower guide groove (34), wherein the upper elastic sheet (11) and the lower elastic sheet (12) are respectively arranged at the left side and the right side of the upper light screen (21) and the lower light screen (22), the end parts of the upper elastic sheet and the lower elastic sheet are provided with marbles (13) at corresponding positions of the surface of one side of the lens plate (1) facing the light screen (22), the upper guide groove (33) and the lower guide groove (34) are arranged at the left side and the right side of a viewfinder (32); when the device is installed, the marbles (13) of the upper spring plate (11) and the lower spring plate (12) respectively penetrate through an upper marble control hole (26) of an upper shading plate (21) and a lower marble control hole (27) of a lower shading plate (22) and then are respectively and movably clamped in an upper guide groove (33) and a lower guide groove (34) of a body plate (3);
the upper end of the upper light screen (21) and the lower end of the lower light screen (22) are respectively provided with an upper positioning hole (28) and a lower positioning hole (29), and the upper end and the lower end in the installation groove (31) of the fuselage panel (3) are respectively provided with an upper positioning bead (35) and a lower positioning bead (36); when the viewfinder (32) is controlled to realize maximum viewfinder, the upper light shading plate (21) and the lower light shading plate (22) respectively move to the upper end and the lower end of the mounting groove (31) under the driving of the lens plate (1), and an upper positioning hole (28) of the upper light shading plate (21) and a lower positioning hole (29) of the lower light shading plate (22) are respectively clamped on the upper positioning bead (35) and the lower positioning bead (36); when the viewfinder (32) is controlled to realize the highest viewfinder, the upper shading plate (21) moves to the upper end of the mounting groove (31) under the driving of the lens plate (1), the upper positioning hole (28) is clamped on the upper positioning bead (35), the marble (13) of the upper elastic sheet (11) is separated from the upper guide groove (33) and the upper marble control hole (26), and meanwhile, the lower shading plate (22) drives the lower positioning hole (29) to be separated from the lower positioning bead (36) and moves upwards under the driving of the lens plate (1) until the interval between the lower shading plate and the upper shading plate (21) is the minimum; when the control viewfinder (32) is switched from the highest view to the lowest view, the lower light screen (22) is driven by the lens plate (1) to move to the lower end of the mounting groove (31), the upper positioning hole (28) of the upper light screen (21) is clamped on the upper positioning ball (35), the marble (13) of the lower elastic sheet (12) is clamped on the lower marble control hole (27) of the lower light screen (22), the lower light screen (22) is driven by the lens plate (1) to push the lower light screen (22) to move downwards, the lower positioning hole (29) is clamped on the lower positioning ball (36), the marble (13) of the lower elastic sheet (12) is separated from the lower guide groove (34) and the lower marble control hole (27), meanwhile, the marble (13) of the upper elastic sheet (11) is clamped on the upper marble control hole (26) of the upper light screen (21) to pull the upper light screen (21) to move downwards, and the upper positioning hole (28) of the upper light screen (21) is separated from the upper positioning ball (35), until the distance between the lower shading plate (22) and the lower shading plate is the minimum.
2. The camera shade device of claim 1, wherein: the upper light screen (21) and the lower light screen (22) are respectively provided with a connecting clamping pin (23) and a connecting clamping seat (24) which extend out towards the opposite directions of the upper light screen and the lower light screen, the connecting clamping seat (24) is provided with a connecting clamping groove (25), and the connecting clamping pin (23) is movably clamped in the connecting clamping groove (25).
3. The camera shade device of claim 2, wherein: connecting card foot (23) and connecting slot (25) are the connection slide bar and the one end open-ended sharp slide of mutual matching respectively, just the side of connecting the slide bar and the side of sharp slide are equipped with spout and slide rail, connecting card foot (23) can be extracted, insert in connecting slot (25) the ground card.
4. The camera shade device of claim 3, wherein: the connecting clamp foot (23) and the lower shading plate (22) are integrally formed, and the connecting clamp groove (25) and the upper shading plate (21) are integrally formed.
5. The camera shade device of claim 1, 2, 3, or 4, wherein: the upper marble control hole (26) and the upper positioning hole (28) are integrally formed with the upper shading plate (21), and the lower marble control hole (27) and the lower positioning hole (29) are integrally formed with the lower shading plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376894.8A CN107015418B (en) | 2017-05-25 | 2017-05-25 | Camera shading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376894.8A CN107015418B (en) | 2017-05-25 | 2017-05-25 | Camera shading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107015418A CN107015418A (en) | 2017-08-04 |
| CN107015418B true CN107015418B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710376894.8A Active CN107015418B (en) | 2017-05-25 | 2017-05-25 | Camera shading device |
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| Country | Link |
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| CN (1) | CN107015418B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053959A (en) * | 1990-02-12 | 1991-08-21 | 伊斯曼柯达公司 | The optical finder of camera with flip-up flash unit |
| US5430517A (en) * | 1994-06-02 | 1995-07-04 | Eastman Kodak Company | Camera viewfinder with masking device for varying the viewing field |
| EP0671651A1 (en) * | 1994-03-11 | 1995-09-13 | Eastman Kodak Company | Camera viewfinder mask with pincushion shaped aperture |
| US5555058A (en) * | 1995-09-14 | 1996-09-10 | Sinpo Optical Co., Ltd. | Viewfinder illumination scale adjusting mechanism for cameras |
| CN1142617A (en) * | 1995-08-04 | 1997-02-12 | 日商雅客设计室股份有限公司 | Camera viewfinder with changeable brightness frame |
| US5678093A (en) * | 1993-07-13 | 1997-10-14 | Olympus Optical Co., Ltd. | Camera |
| JP2002374432A (en) * | 2001-04-10 | 2002-12-26 | Sony Corp | Image pickup device |
| CN1501157A (en) * | 2002-11-12 | 2004-06-02 | ��˹���´﹫˾ | User interface for controlling cropping in electronic camera |
-
2017
- 2017-05-25 CN CN201710376894.8A patent/CN107015418B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053959A (en) * | 1990-02-12 | 1991-08-21 | 伊斯曼柯达公司 | The optical finder of camera with flip-up flash unit |
| US5678093A (en) * | 1993-07-13 | 1997-10-14 | Olympus Optical Co., Ltd. | Camera |
| EP0671651A1 (en) * | 1994-03-11 | 1995-09-13 | Eastman Kodak Company | Camera viewfinder mask with pincushion shaped aperture |
| US5430517A (en) * | 1994-06-02 | 1995-07-04 | Eastman Kodak Company | Camera viewfinder with masking device for varying the viewing field |
| CN1142617A (en) * | 1995-08-04 | 1997-02-12 | 日商雅客设计室股份有限公司 | Camera viewfinder with changeable brightness frame |
| US5555058A (en) * | 1995-09-14 | 1996-09-10 | Sinpo Optical Co., Ltd. | Viewfinder illumination scale adjusting mechanism for cameras |
| JP2002374432A (en) * | 2001-04-10 | 2002-12-26 | Sony Corp | Image pickup device |
| CN1501157A (en) * | 2002-11-12 | 2004-06-02 | ��˹���´﹫˾ | User interface for controlling cropping in electronic camera |
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| Publication number | Publication date |
|---|---|
| CN107015418A (en) | 2017-08-04 |
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