CN212905707U - Optical filter switching assembly - Google Patents
Optical filter switching assembly Download PDFInfo
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- CN212905707U CN212905707U CN202021682632.8U CN202021682632U CN212905707U CN 212905707 U CN212905707 U CN 212905707U CN 202021682632 U CN202021682632 U CN 202021682632U CN 212905707 U CN212905707 U CN 212905707U
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- motor
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- light filter
- positioning
- switching assembly
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Abstract
The utility model discloses a light filter switching module, the on-line screen storage device comprises a base, the surface of base is seted up flutedly, first motor is installed in the inboard bottom central authorities embedding of recess, the output shaft fixed mounting of first motor has the carousel, carousel one side is equipped with first logical unthreaded hole, carousel one side fixedly connected with a plurality of triangular connecting block, triangular connecting block end fixing has positioning mechanism, positioning mechanism includes first locating plate, the second motor, the output shaft fixed mounting of second motor has the lead screw, lead screw surface spiro union has screw-nut, second locating plate fixed surface has the direction slide bar, the direction slide bar slides and has cup jointed the guide block, fixed mounting has the light filter holder between screw-nut and the guide block, a plurality of light filter mounting hole has been seted up on the surface of light filter holder, the light filter mounting hole internal fixation. The utility model discloses can control the position of light filter more accurately, compare in the rotation of solenoid valve drive gangbar, improve the switching precision.
Description
Technical Field
The utility model relates to a light filter technical field, in particular to light filter switching module.
Background
Filters are optical devices used to select a desired wavelength band of radiation. In some image capturing devices, such as monitoring devices, mobile phones, cameras, etc., a plurality of optical filters are usually installed, and functions such as preventing overexposure and switching night modes can be realized by switching the optical filters.
The image capturing devices are usually installed with a filter switching assembly, and the filter switching assembly switches the filter. In some existing optical filter switching assemblies, an optical filter is arranged on a blade, the blade is connected with an electromagnetic valve through a linkage rod, magnetic force is generated after the electromagnetic valve is electrified to drive the linkage rod to rotate, and the linkage rod rotates to drive the optical filter to move, so that the optical filter is switched.
However, in the optical filter switching assembly, the positioning accuracy of the electromagnetic valve driving the linkage rod to rotate is poor, so that the accuracy of optical filter switching is poor.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an optical filter switching assembly, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a light filter switching component comprises a base, wherein a groove is formed in the surface of the base, a first motor is embedded and installed in the center of the bottom of the inner side of the groove, a rotary disc is fixedly installed on an output shaft of the first motor, a first light through hole is formed in one side of the rotary disc at the bottom of the inner side of the groove, a plurality of triangular connecting blocks are fixedly connected to one side of the rotary disc, a positioning mechanism is fixed to the end portion of each triangular connecting block and comprises a first positioning plate and a second positioning plate which are fixedly connected to the end portions of the two ends of each triangular connecting block respectively, a second motor is embedded in the surface of the first positioning plate, a lead screw is fixedly installed on the output shaft of the second motor, a lead screw nut is screwed on the surface of the lead screw, a guide slide rod is fixed to the surface of the second positioning plate, and, the optical filter positioning device is characterized in that an optical filter retainer is fixedly installed between the screw rod nut and the guide block, a plurality of optical filter mounting holes are formed in the surface of the optical filter retainer, adaptive optical filters are fixed in the optical filter mounting holes, annular slide rails are arranged around the rotary table, the same end of the first positioning plate and the same end of the second positioning plate are fixedly connected with the same sliding block, and the sliding block is adaptive to the annular slide rails.
Preferably, the upper end of the base is provided with a cover plate matched with the groove, a second light through hole is formed in the surface of the cover plate, and the second light through hole corresponds to the first light through hole.
Preferably, the upper end surfaces of the first positioning plate and the second positioning plate are provided with positioning grooves, and the screw rod and the guide slide rod are arranged on the inner sides of the positioning grooves.
Preferably, a bearing seat matched with the screw rod is fixed at one end, close to the turntable, of the first positioning plate.
Preferably, the included angle between two adjacent positioning mechanisms is degree or degree.
Preferably, the first motor is a stepping motor, and the second motor is a servo motor.
Compared with the prior art, the utility model discloses following beneficial effect has: the optical filter switching component drives the turntable to rotate by arranging the first motor, the turntable drives the triangular connecting block to rotate to perform stepping motion, the positioning mechanism moves to the position above the first light through hole by rotating 90 degrees or 180 degrees each time, the positioning mechanism slides on the annular slide rail through the slide block to ensure that the positioning mechanism operates stably, then a second motor is started, the second motor drives a screw rod to rotate, the screw rod drives a screw rod nut to move in the horizontal direction, and the screw rod nut is limited in the horizontal direction through the movement of a guide block on a guide slide rod, thereby driving the optical filter holder to horizontally move above the first light through hole, further realizing the switching of different optical filters, the first light through hole corresponds to the second light through hole, so that light rays are ensured to firstly pass through the second light filtering hole, and then are emitted out through the first light through hole after being filtered by the light filter, and the effect of filtering the light rays is achieved. The whole optical filter switching assembly is simple in structure and convenient to operate, the position of the optical filter can be controlled accurately, and compared with the electromagnetic valve driving linkage rod, the switching precision is improved.
Drawings
Fig. 1 is a schematic view of a first structure of an optical filter switching assembly according to the present invention;
fig. 2 is a schematic diagram of a second structure of the optical filter switching assembly according to the present invention;
fig. 3 is a top view of the positioning mechanism of the optical filter switching assembly according to the present invention;
fig. 4 is a top view of the cover plate of the optical filter switching assembly of the present invention.
In the figure: 1. a base; 2. a groove; 3. a first motor; 4. a turntable; 5. a first light passing hole; 6. a triangular connecting block; 7. a positioning mechanism; 8. a first positioning plate; 9. a second positioning plate; 10. a second motor; 11. a screw rod; 12. a feed screw nut; 13. a guide slide bar; 14. a guide block; 15. a filter holder; 16. a filter mounting hole; 17. an optical filter; 18. an annular slide rail; 19. a slider; 20. a cover plate; 21. a second light passing hole; 22. and (6) positioning a groove.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, an optical filter switching assembly comprises a base 1, a groove 2 is formed on the surface of the base 1, a first motor 3 is embedded in the center of the inner bottom of the groove 2, a rotary table 4 is fixedly mounted on an output shaft of the first motor 3, a first light-passing hole 5 is formed in one side of the rotary table 4 at the inner bottom of the groove 2, a plurality of triangular connecting blocks 6 are fixedly connected to one side of the rotary table 4, a positioning mechanism 7 is fixed to the end of each triangular connecting block 6, the positioning mechanism 7 comprises a first positioning plate 8 and a second positioning plate 9 which are respectively fixedly connected to the end portions of the two ends of each triangular connecting block 6, a second motor 10 is embedded in the surface of the first positioning plate 8, a lead screw 11 is fixedly mounted on the output shaft of the second motor 10, a lead screw nut 12 is screwed on the surface of the lead screw 11, and a guide slide bar 13 is fixed to the surface of, the surface of the guide slide bar 13 is sleeved with a guide block 14 in a sliding manner, an optical filter holder 15 is fixedly installed between the screw nut 12 and the guide block 14, a plurality of optical filter mounting holes 16 are formed in the surface of the optical filter holder 15, adaptive optical filters 17 are fixed in the optical filter mounting holes 16, annular slide rails 18 are arranged around the rotary table 4, the same end parts of the first positioning plate 8 and the second positioning plate 9 are fixedly connected with the same slide block 19, and the slide block 19 is matched with the annular slide rails 18.
In this embodiment, preferably, a cover plate 20 adapted to the groove 2 is disposed at the upper end of the base 1, a second light through hole 21 is disposed on the surface of the cover plate 20, and the second light through hole 21 corresponds to the first light through hole 5.
In this embodiment, preferably, the upper end surfaces of the first positioning plate 8 and the second positioning plate 9 are both provided with a positioning groove 22, and the screw rod 11 and the guide slide bar 13 are both disposed inside the positioning groove 22.
In this embodiment, preferably, a bearing seat adapted to the screw rod 11 is fixed at one end of the first positioning plate 8 close to the rotary table 4.
In this embodiment, preferably, an included angle between two adjacent positioning mechanisms 7 is 90 degrees or 180 degrees.
In this embodiment, preferably, the first motor 3 is a stepping motor, and the second motor 10 is a servo motor.
It should be noted that, the present invention is an optical filter switching assembly, when in use, the first motor 3 is arranged to drive the rotary plate 4 to rotate, the rotary plate 4 drives the triangular connecting block 6 to rotate to make a stepping motion, each rotation is 90 degrees or 180 degrees, the positioning mechanism 7 is moved to above the first light-passing hole 5, and slides on the annular slide rail 18 through the slide block 19, so as to ensure that the positioning mechanism 7 operates stably, then the second motor 10 is started, the second motor 10 drives the screw rod 11 to rotate, the screw rod 11 drives the screw rod nut 12 to move in the horizontal direction, and the screw rod nut 12 is horizontally limited by moving on the guide slide bar 13 through the guide block 14, so as to drive the optical filter holder 15 to horizontally move above the first light-passing hole 5, thereby realizing switching different optical filters 17, because the first light-passing hole 5 corresponds to the second light-passing hole 21, penetrate through first clear aperture 5 after light filter 17 filters again, reach and carry out filterable effect to the light, the utility model discloses can control the position of light filter more accurately, it is rotatory to compare in solenoid valve drive gangbar, has improved the switching precision.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An optical filter switching assembly, comprising a base (1), characterized in that: the surface of the base (1) is provided with a groove (2), a first motor (3) is embedded in the center of the bottom of the inner side of the groove (2), a rotary table (4) is fixedly mounted on an output shaft of the first motor (3), a first light through hole (5) is formed in one side of the rotary table (4) at the bottom of the inner side of the groove (2), a plurality of triangular connecting blocks (6) are fixedly connected to one side of the rotary table (4), a positioning mechanism (7) is fixed to the end portion of each triangular connecting block (6), the positioning mechanism (7) comprises a first positioning plate (8) and a second positioning plate (9) which are fixedly connected to the end portions of the two ends of each triangular connecting block (6), a second motor (10) is embedded in the surface of the first positioning plate (8), a lead screw (11) is fixedly mounted on the output shaft of the second motor (10), and a lead screw nut (12) is screwed on the surface of, the fixed surface of second locating plate (9) has direction slide bar (13), the surface slip of direction slide bar (13) has cup jointed guide block (14), screw-nut (12) with fixed mounting has light filter holder (15) between guide block (14), a plurality of light filter mounting hole (16) have been seted up on the surface of light filter holder (15), light filter mounting hole (16) internal fixation has light filter (17) of looks adaptation, the surrounding is equipped with annular slide rail (18) around carousel (4), first locating plate (8) with same one end fixedly connected with of second locating plate (9) slider (19), slider (19) with annular slide rail (18) looks adaptation.
2. The filter switching assembly of claim 1, wherein: the upper end of the base (1) is provided with a cover plate (20) matched with the groove (2), a second light through hole (21) is formed in the surface of the cover plate (20), and the second light through hole (21) corresponds to the first light through hole (5).
3. The filter switching assembly of claim 1, wherein: the upper end surfaces of the first positioning plate (8) and the second positioning plate (9) are provided with positioning grooves (22), and the screw rod (11) and the guide slide rod (13) are arranged on the inner sides of the positioning grooves (22).
4. The filter switching assembly of claim 1, wherein: and a bearing seat matched with the screw rod (11) is fixed at one end of the first positioning plate (8) close to the rotary disc (4).
5. The filter switching assembly of claim 1, wherein: the included angle between two adjacent positioning mechanisms (7) is 90 degrees or 180 degrees.
6. The filter switching assembly of claim 1, wherein: the first motor (3) is a stepping motor, and the second motor (10) is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021682632.8U CN212905707U (en) | 2020-08-13 | 2020-08-13 | Optical filter switching assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021682632.8U CN212905707U (en) | 2020-08-13 | 2020-08-13 | Optical filter switching assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212905707U true CN212905707U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021682632.8U Active CN212905707U (en) | 2020-08-13 | 2020-08-13 | Optical filter switching assembly |
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| CN (1) | CN212905707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103481A (en) * | 2021-04-16 | 2021-07-13 | 辽宁鸿恩医疗器材有限责任公司 | Efficient energy-saving circulating type drying tunnel for processing butyronitrile gloves |
-
2020
- 2020-08-13 CN CN202021682632.8U patent/CN212905707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103481A (en) * | 2021-04-16 | 2021-07-13 | 辽宁鸿恩医疗器材有限责任公司 | Efficient energy-saving circulating type drying tunnel for processing butyronitrile gloves |
| CN113103481B (en) * | 2021-04-16 | 2022-05-17 | 辽宁鸿恩医疗器材有限责任公司 | Efficient energy-saving circulating type drying tunnel for processing butyronitrile gloves |
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