CN111965925B - Light filter auto-change over device convenient to installation - Google Patents
Light filter auto-change over device convenient to installation Download PDFInfo
- Publication number
- CN111965925B CN111965925B CN202010922240.2A CN202010922240A CN111965925B CN 111965925 B CN111965925 B CN 111965925B CN 202010922240 A CN202010922240 A CN 202010922240A CN 111965925 B CN111965925 B CN 111965925B
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- screw
- main body
- threaded
- switching device
- fixedly connected
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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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/006—Filter holders
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
The invention discloses an optical filter switching device convenient to install, which comprises a main body and an installation column, wherein screw through holes are formed in the four corners of the main body in a penetrating manner, a screw is slidably clamped and sleeved in each screw through hole, a threaded gear is screwed and sleeved on the outer surface of each screw, which is positioned in the main body, and a transfer gear is rotatably connected to one side, which is positioned in each threaded gear, in the main body. The optical filter switching device can manually realize the simultaneous rotation of a plurality of screws without tools such as a screwdriver and the like, so that the optical filter switching device can be quickly installed on a camera, and can be disassembled without tools such as the screwdriver and the like during disassembly, the disassembly and assembly time and the disassembly difficulty of the optical filter switching device are greatly reduced, the device is connected with the screws through a plurality of structures, the stability of the screws in screw through holes is improved, and the risk of automatic falling of the screws in the use process is greatly reduced.
Description
Technical Field
The invention relates to the technical field of light filtering, in particular to a light filter switching device convenient to install.
Background
The optical filter switching device is arranged on a camera board and can correct the problems of color cast and defocusing, so that the image picture is not defocused, the color cast is true, the original color is reduced, the color is vivid in the daytime, the night vision underillumination effect is better, the strong light can be filtered, the picture color is softer, and the consistency of the vision color of human eyes is achieved.
Traditional light filter auto-change over device closes soon through bolt hole screw thread on bolt and the outside camera and is connected, because the bolt is more, needs every bolt of rotation one by one during the installation, and still need carry out the rotation operation with the help of instruments such as bottle opener, has increased the degree of difficulty and the time of installation.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides an optical filter switching device which is convenient to install.
(II) technical scheme
The invention provides an optical filter switching device convenient to install, which comprises a main body and an installation column, wherein screw through holes are formed in four corners of the main body in a penetrating mode, a screw is slidably sleeved inside each screw through hole in a clamping mode, a threaded gear is screwed and sleeved on the outer surface of each screw, the inner side of the main body, located on one side of each threaded gear, is rotatably connected with a transfer gear, the transfer gear is meshed with the threaded gears, an annular cavity channel is formed in the inner side of the main body, located on one side of a plurality of transfer gears, and is rotatably connected with an annular rack, and the outer annular surface of the annular rack is meshed with the transfer gears.
Preferably, one side of the outer surface of the annular rack is fixedly connected with a shifting shaft, an annular preformed groove for the shifting shaft to move is formed in the front surface of the main body, and a limit nut is screwed at one end of the shifting shaft penetrating through the annular preformed groove.
Preferably, the rear surface four corners position of main part is installation foot of equal fixedly connected with, just the erection column cup joints with the installation foot block.
Preferably, the rear end of the screw is rotatably connected with a rotating shaft, and the front end of the mounting column is provided with a threaded hole matched with the rear end of the rotating shaft.
Preferably, the outer surface of the rotating shaft far away from the threaded hole is provided with a spiral groove, and the inner wall of the mounting foot is fixedly connected with a spiral groove guide block matched with the spiral groove.
Preferably, the outer surface of the screw is symmetrically provided with rectangular positioning grooves, and the inner wall of the screw hole is fixedly connected with rectangular positioning blocks matched with the rectangular positioning grooves.
Preferably, the front surface of the main body is fixedly connected with a threaded flange in an integrated manner, and the mounting column is fixedly connected with an external camera.
Compared with the prior art, the invention has the beneficial effects that: the optical filter switching device can manually realize the simultaneous rotation of a plurality of screws without tools such as a screwdriver and the like, so that the optical filter switching device can be quickly installed on a camera, and can be disassembled without tools such as the screwdriver and the like during disassembly, the disassembly and assembly time and difficulty of the optical filter switching device are greatly reduced, the device is connected with the screws through a plurality of structures, the stability of the screws in screw through holes is improved, and the risk of automatic falling of the screws in the use process is greatly reduced;
firstly, through the meshing connection design among the annular rack, the transfer gear and the threaded gear, a plurality of screws are driven to move simultaneously;
secondly, through the positioning and clamping design of the rectangular positioning block and the rectangular positioning groove, the situation that the screw cannot be horizontally pushed due to the fact that the screw rotates along with the threaded gear is avoided;
through the design of the spiral groove and the spiral groove guide block, the rotating shaft can be conveniently pushed horizontally and rotated at the same time, so that the rotating shaft can be screwed with the thread of the threaded hole;
and fourthly, through the design of the limiting nut, the position of the shifting shaft is convenient to limit, so that the whole mounting structure is limited.
Drawings
Fig. 1 is a schematic front view of a filter switching device convenient to mount according to the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
fig. 3 is a side cross-sectional view of the present invention.
In the figure: the device comprises a main body 1, a thread flange 2, a screw perforation 3, a screw 4, a rectangular positioning block 5, a rectangular positioning groove 6, a dial shaft 7, a limit nut 8, an annular preformed groove 9, an annular cavity channel 10, an annular rack 11, a transfer gear 12, a thread gear 13, a mounting foot 14, a mounting column 15, a rotating shaft 16, a threaded hole 17, a spiral groove 18 and a spiral groove guide block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1-3, the optical filter switching device convenient to mount provided by the present invention includes a main body 1 and a mounting post 15, four corners of the main body 1 are respectively provided with a screw through hole 3, a screw 4 is slidably engaged and sleeved inside each screw through hole 3, a threaded gear 13 is screwed and sleeved on an outer surface of each screw 4 inside the main body 1, one side of the inside of the main body 1, which is located on each threaded gear 13, is rotatably connected with a transfer gear 12, the transfer gear 12 is engaged and connected with the threaded gear 13, one side of the inside of the main body 1, which is located on a plurality of transfer gears 12, is provided with an annular cavity 10, the inside of the annular cavity 10 is rotatably connected with an annular rack 11, and an outer annular surface of the annular rack 11 is engaged and connected with the transfer gear 12.
In an optional embodiment, a shifting shaft 7 is fixedly connected to one side of the outer surface of the annular rack 11, an annular preformed groove 9 for the shifting shaft 7 to move is formed in the front surface of the main body 1, and a limit nut 8 is screwed and connected to one end, penetrating through the annular preformed groove 9, of the shifting shaft 7.
In an optional embodiment, the four corners of the rear surface of the main body 1 are fixedly connected with a mounting foot 14, and the mounting column 15 is in clamping and sleeve connection with the mounting foot 14.
In an alternative embodiment, the rear end of the screw 4 is rotatably connected with a rotating shaft 16, and the front end of the mounting post 15 is provided with a threaded hole 17 matched with the rear end of the rotating shaft 16.
In an alternative embodiment, the outer surface of the rotating shaft 16 far away from the threaded hole 17 is provided with a spiral groove 18, and the inner wall of the mounting leg 14 is fixedly connected with a spiral groove guide block 19 matched with the spiral groove 18.
In an alternative embodiment, rectangular positioning grooves 6 are symmetrically formed in the outer surface of the screw 4, and a rectangular positioning block 5 matched with the rectangular positioning grooves 6 is fixedly connected to the inner wall of the screw through hole 3.
In an alternative embodiment, a threaded flange 2 is integrally and fixedly attached to the front surface of the body 1, and a mounting post 15 is fixedly attached to an external camera.
The working principle is as follows: the traditional optical filter switching device is connected with a bolt hole on an external camera in a threaded manner through a bolt, and due to the fact that the number of bolts is large, each bolt needs to be rotated one by one during installation, tools such as a screwdriver need to be used for rotating operation, installation difficulty and installation time are increased, in the embodiment, the simultaneous rotation of a plurality of screws 4 can be achieved manually without tools such as the screwdriver, the optical filter switching device can be rapidly installed on the camera, and the optical filter switching device is also not needed to be disassembled with tools such as the screwdriver during disassembly, disassembly time and difficulty of the optical filter switching device are greatly reduced, the optical filter switching device is connected with the screws 4 through a plurality of structures, stability of the screws 4 in screw through holes 3 is increased, and therefore the risk that the screws 4 automatically fall off in the using process is greatly reduced; specifically, during installation, the screws 4 on the rear surface of the main body 1 are aligned with the mounting posts 15 on the camera one by one, then the toggle shaft 7 is toggled along the direction of the annular preformed groove 9 after the limit nut 8 is unscrewed, the annular rack 11 is driven to rotate in the annular cavity 10, the transfer gear 12 is driven to rotate through the meshing connection between the annular rack 11 and the transfer gear 12, the transfer gear 12 drives the threaded gear 13 to rotate through the meshing connection between the transfer gear 12 and the threaded gear 13, the threaded gear 13 is connected with the screws 4 in a screwing manner through threads between the threaded gear 13 and through the positioning action between the rectangular positioning block 5 and the rectangular positioning groove 6, so that the screws 4 move towards the direction close to the threaded holes 17, the rotating shaft 16 is horizontally pushed towards the threaded holes 17, when the rotating shaft 16 moves horizontally, because the spiral groove guide block 19 is slidably clamped in the spiral groove 18, the spiral groove guide block 19 needs to travel along the path of the spiral groove 18, therefore, the rotating shaft 16 rotates and moves horizontally, the threaded part at the end part of the rotating shaft 16 is screwed into the threaded hole 17 in this way, the optical filter switching device is installed, then the limiting nut 8 is screwed to limit the position of the shifting shaft 7, the whole installation process is very simple and convenient, the dismounting method is the same as the process, only the shifting shaft 7 needs to be moved reversely, and no redundancy is made here.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The optical filter switching device convenient to install comprises a main body (1) and an installation column (15), and is characterized in that four corners of the main body (1) are provided with screw through holes (3) in a penetrating manner, each screw through hole (3) is provided with a screw (4) in a sliding clamping and sleeving manner, each screw (4) is provided with a threaded gear (13) on the outer surface inside the main body (1) in a threaded screwing manner, one side of the main body (1) inside each threaded gear (13) is rotatably connected with a transfer gear (12), the transfer gear (12) is meshed with the threaded gears (13) and is connected with an annular cavity channel (10) on one side of the main body (1) inside each of the plurality of transfer gears (12), and the annular cavity channel (10) is rotatably connected with an annular rack (11), the outer ring surface of the annular rack (11) is meshed and connected with the transfer gear (12); a shifting shaft (7) is fixedly connected to one side of the outer surface of the annular rack (11), an annular preformed groove (9) for the shifting shaft (7) to move is formed in the front surface of the main body (1), and a limiting nut (8) is screwed and connected to one end, penetrating through the annular preformed groove (9), of the shifting shaft (7); four corners of the rear surface of the main body (1) are fixedly connected with mounting feet (14), and the mounting columns (15) are clamped and sleeved with the mounting feet (14); the rear end of the screw (4) is rotatably connected with a rotating shaft (16), and the front end of the mounting column (15) is provided with a threaded hole (17) matched with the rear end of the rotating shaft (16); the outer surface of the rotating shaft (16) far away from the threaded hole (17) is provided with a spiral groove (18), and the inner wall of the mounting foot (14) is fixedly connected with a spiral groove guide block (19) matched with the spiral groove (18).
2. The optical filter switching device convenient to install according to claim 1, wherein the outer surface of the screw (4) is symmetrically provided with rectangular positioning grooves (6), and the inner wall of the screw through hole (3) is fixedly connected with rectangular positioning blocks (5) matched with the rectangular positioning grooves (6).
3. A filter switching device as claimed in claim 1, wherein a threaded flange (2) is fixedly connected to the front surface of the main body (1) in one piece, and the mounting post (15) is fixedly connected to an external camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922240.2A CN111965925B (en) | 2020-09-04 | 2020-09-04 | Light filter auto-change over device convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922240.2A CN111965925B (en) | 2020-09-04 | 2020-09-04 | Light filter auto-change over device convenient to installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111965925A CN111965925A (en) | 2020-11-20 |
| CN111965925B true CN111965925B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010922240.2A Active CN111965925B (en) | 2020-09-04 | 2020-09-04 | Light filter auto-change over device convenient to installation |
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| CN (1) | CN111965925B (en) |
Citations (7)
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| US6452732B1 (en) * | 1999-02-19 | 2002-09-17 | Canon Kabushiki Kaisha | Filter change-over device |
| CN1485632A (en) * | 2002-08-27 | 2004-03-31 | ������������ʽ���� | Retractable lens with an optical element retracting mechanism |
| CN101000399A (en) * | 2006-01-12 | 2007-07-18 | 佳能株式会社 | Camera equipment |
| CN102928944A (en) * | 2012-11-29 | 2013-02-13 | 中国科学院长春光学精密机械与物理研究所 | Multi-frustum filter wheel mechanism for space |
| CN205562927U (en) * | 2016-01-12 | 2016-09-07 | 中国科学院上海光学精密机械研究所 | Different diameter optical element's adjustment anchor clamps |
| CN108508562A (en) * | 2018-04-18 | 2018-09-07 | 中国科学院西安光学精密机械研究所 | Shaft seal-free closed type optical filter switching device easy for zoom lens integration |
| CN111239951A (en) * | 2020-01-17 | 2020-06-05 | 赣州市奥海纳光电有限公司 | Novel pendulum type optical filter self-locking switcher |
Family Cites Families (4)
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| JP4653206B2 (en) * | 2008-09-25 | 2011-03-16 | 日本精密測器株式会社 | Aperture device |
| CN102162978A (en) * | 2010-02-24 | 2011-08-24 | 银河港(北京)技术有限公司 | Method and device for upgrading common charge coupled device (CCD) camera device into multi-waveband CCD camera device |
| JP5609248B2 (en) * | 2010-05-10 | 2014-10-22 | 株式会社リコー | Lens barrel |
| CN102023133A (en) * | 2010-10-15 | 2011-04-20 | 浙江大学 | Multispectral hybrid fish eye imaging system for rice canopy |
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2020
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|---|---|---|---|---|
| US6452732B1 (en) * | 1999-02-19 | 2002-09-17 | Canon Kabushiki Kaisha | Filter change-over device |
| CN1485632A (en) * | 2002-08-27 | 2004-03-31 | ������������ʽ���� | Retractable lens with an optical element retracting mechanism |
| CN101000399A (en) * | 2006-01-12 | 2007-07-18 | 佳能株式会社 | Camera equipment |
| CN102928944A (en) * | 2012-11-29 | 2013-02-13 | 中国科学院长春光学精密机械与物理研究所 | Multi-frustum filter wheel mechanism for space |
| CN205562927U (en) * | 2016-01-12 | 2016-09-07 | 中国科学院上海光学精密机械研究所 | Different diameter optical element's adjustment anchor clamps |
| CN108508562A (en) * | 2018-04-18 | 2018-09-07 | 中国科学院西安光学精密机械研究所 | Shaft seal-free closed type optical filter switching device easy for zoom lens integration |
| CN111239951A (en) * | 2020-01-17 | 2020-06-05 | 赣州市奥海纳光电有限公司 | Novel pendulum type optical filter self-locking switcher |
Non-Patent Citations (1)
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| CN111965925A (en) | 2020-11-20 |
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