CN215910773U - Combined polarization filter system - Google Patents
Combined polarization filter system Download PDFInfo
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- CN215910773U CN215910773U CN202122357915.6U CN202122357915U CN215910773U CN 215910773 U CN215910773 U CN 215910773U CN 202122357915 U CN202122357915 U CN 202122357915U CN 215910773 U CN215910773 U CN 215910773U
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- polarization filter
- adapter ring
- combined
- filter assembly
- polarization
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Abstract
The utility model discloses a combined polarization filter system. The combined polarization filter system comprises a switching ring, a first polarization filter component and a second polarization filter component, wherein the first polarization filter component and the second polarization filter component are sequentially arranged at the front end of the switching ring; the first polarization filter component and the second polarization filter component are arranged at the front end of the adapter ring in a magnetic attraction manner with the adapter ring and can freely rotate relative to the adapter ring; the second polarization filter component can be turned over and magnetically attracted to be arranged at the front end of the adapter ring for reverse use. The combined polarization filter system can realize different polarization angle combinations by the relative rotation angle between the first polarization filter component and the second polarization filter component, has flexible assembly mode and strong variability, can realize various combinations and meet different functional requirements.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a combined polarization filter system.
Background
In photographic camera equipment such as camera, camera and CCD, for the material of ensureing to shoot has better effect, can install corresponding filter additional before the camera lens usually to carry out effects such as filtration, polarization and reflection to the light that enters into the camera lens, make the light that enters into in the camera lens can form the formation of image that reaches required effect, thereby make photographic camera equipment shoot out the material that satisfies the demand.
At present, a filter system with a polarization effect generally adopts a plurality of filter lenses to be used in combination, and different polarization angles are formed by adjusting the mutual relative rotation between the plurality of filter lenses, so that different filtering effects are achieved. However, after a plurality of filter lenses in the existing filter system are installed, as disclosed in patent CN206479753U, a light reduction filter with a limiting device capable of adjusting the lens light entering amount can be adjusted by rotation, but the assembly form is fixed, and the filter lenses cannot be easily assembled and disassembled; moreover, the adjustment is only limited to the adjustment of the rotation angle between the two loaded filter lenses, the formed combination has a small adjustment range, and the realized function is generally single and cannot effectively meet the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a combined polarization filter system, aiming at solving the problems that the existing polarization filter system has fixed assembly form, can not be flexibly assembled, has small adjustment range and single function.
The purpose of the utility model is realized by the following technical scheme.
A combined polarization filter system comprises an adapter ring, a first polarization filter component and a second polarization filter component, wherein the first polarization filter component and the second polarization filter component are sequentially arranged at the front end of the adapter ring; the first polarization filter component and the second polarization filter component are arranged at the front end of the adapter ring in a magnetic attraction manner with the adapter ring, and the first polarization filter component is embedded in the second polarization filter component; the first polarization filter assembly and the second polarization filter assembly can freely rotate relative to the adapter ring.
In a preferred embodiment, the adapter ring is made of a magnetic material; and magnets are arranged on the first polarization filter component and the second polarization filter component.
In a more preferred embodiment, each of the first and second polarization filter assemblies includes a frame, a filter, a magnet and a press ring, the filter is fixed on the frame by the press ring, and the magnet is disposed on the frame.
In a further preferable embodiment, the magnetic blocks are integrated magnetic strips corresponding to the periphery of the mirror frame, or the magnetic blocks comprise a plurality of magnetic strips, and the plurality of magnetic blocks are uniformly distributed along the circumference of the mirror frame.
In a more preferred embodiment, the rear end of the adapter ring is provided with a mounting part connected with the lens, and the mounting part comprises threads or a buckle.
In a preferred embodiment, the first polarization filter assembly and the second polarization filter assembly are both circular polarization filter assemblies.
In a preferred embodiment, a detachable pin is arranged at the rear end of the first polarization filter assembly, and a positioning hole is formed in the adapter ring; the positioning hole is matched with the detachable pin, and the detachable pin can be clamped into the positioning hole in the process of rotating the first polarization filter assembly.
In a preferred embodiment of the combined polarization filter system, the second polarization filter assembly is disposed at a front end of the adapter ring in a reversible magnetic manner for reverse use.
In a more preferred embodiment, a limiting projection is arranged at the front end of the second polarization filter assembly, and a limiting groove is formed on the adapter ring; when the second polarization filter assembly is used reversely, the limiting lug is correspondingly assembled in the limiting groove and slides in the limiting groove in a limiting mode.
In a further preferred embodiment, when the second polarization filter assembly is used reversely, the rotation angle of the second polarization filter assembly is limited to 0-90 ° by the limiting effect of the limiting groove and the limiting projection.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
according to the combined polarization filter system, the first polarization filter component and the second polarization filter component are arranged at the front end of the adapter ring in a magnetic attraction mode, the first polarization filter component and the second polarization filter component can freely rotate, and different polarization angle combinations can be realized through the relative rotation angle between the first polarization filter component and the second polarization filter component.
In addition, first polarization filter subassembly and second polarization filter subassembly all set up at the adapter ring front end with the mode of magnetism, make the flexible, the mobility of the equipment mode of first polarization filter subassembly and second polarization filter subassembly strong. Wherein, first polarization filter subassembly and second polarization filter subassembly all can be independent carry out magnetism with the adapter ring and inhale the cooperation and use, and the second polarization filter subassembly can be backward inhales magnetism that uses on the adapter ring to make the equipment mode diversified, realize multiple combination, satisfy different functional requirements.
Drawings
FIG. 1 is a schematic diagram of an assembled polarization filter system of the present invention in a forward direction of a second polarization filter assembly according to an exemplary embodiment;
FIG. 2 is a schematic diagram of a front view of the adapter ring;
FIG. 3 is a schematic side view of the adapter ring;
FIG. 4 is a schematic diagram of an assembly structure of the first polarization filter assembly;
FIG. 5 is a schematic diagram of an assembly structure of the second polarization filter assembly;
FIG. 6 is a schematic diagram of an assembled structure of the combined polarization filter system of the present invention in an embodiment when the first polarization filter assembly is used with the adapter ring;
FIG. 7 is a schematic diagram of an assembled structure of the combined polarization filter system of the present invention in an embodiment when the second polarization filter assembly is used with the adapter ring;
FIG. 8 is a schematic diagram of an exemplary embodiment of a combined polarization filter system of the present invention in an inverted configuration with a second polarization filter assembly;
FIG. 9 is a schematic diagram of the overall configuration of a combined polarizing filter system of the present invention used in a video camera in an exemplary embodiment;
FIG. 10 is a schematic view of an assembled structure of a combined polarization filter system of the present invention used in a camera in an embodiment;
the attached drawings are marked as follows: 1-adapter ring, 101-mounting part, 102-positioning hole, 103-limiting groove, 2-first polarization filter assembly, 21-first mirror frame, 22-first filter lens, 23-first magnetic block, 24-first press ring, 25-detachable pin, 3-second polarization filter assembly, 31-second mirror frame, 32-second filter lens, 33-second magnetic block, 34-second press ring, 301-limiting lug, 100-camera and 200-filter system.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to specific examples and drawings, but the scope and implementation of the present invention are not limited thereto.
In the description of the specific embodiments, it should be noted that the terms "front" and "back" and the like refer to orientations and positional relationships based on the orientations and positional relationships shown in the drawings or orientations and positional relationships where the products of the utility model are usually placed when the products of the utility model are used, and the terms "first" and "second" and the like are used for distinguishing and convenience in describing the utility model and simplifying the description, but do not refer to or imply that the structures or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore are not to be construed as limiting the utility model, and are not meant to indicate or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The combined polarization filter system of the present invention, as shown in fig. 1, includes an adapter ring 1, and a first polarization filter assembly 2 and a second polarization filter assembly 3. The first polarization filter component 2 and the second polarization filter component 3 can be filter components with any shapes including square or circular according to the actual situation; optionally, but not limited to, the first polarization filter assembly 2 and the second polarization filter assembly 3 are both circular polarization filter assemblies.
As shown in fig. 2 and 3, the rear end of the adapter ring 1 has an installation part 101 connected to the lens, and the installation part 101 includes a thread or a buckle, so that the rear end of the adapter ring 1 can be installed and connected to the lens, for example, in the specific embodiment shown in fig. 2 and 3, the installation part 101 at the rear end of the adapter ring 1 is an external thread and can be screwed to the lens; the first polarization filter component 2 and the second polarization filter component 3 are sequentially arranged at the front end of the adapter ring 1, and the first polarization filter component 2 and the second polarization filter component 3 can freely rotate relative to the adapter ring 1. When the first polarization filter assembly 2 and the second polarization filter assembly 3 are relatively rotated and form corresponding rotation angles, different polarization angle combinations can be realized by the relative rotation angles between the first polarization filter assembly 2 and the second polarization filter assembly 3, so that different filter functions are formed.
The first polarization filter assembly 2 and the second polarization filter assembly 3 respectively comprise a frame, a filter lens, a magnetic block and a press ring, the filter lens is pressed and fixed on the frame by the press ring, and the magnetic block is arranged on the frame; first polarization filter subassembly 2 and second polarization filter subassembly 3 all through magnetism inhale the setting at the front end of adapter ring 1, and first polarization filter subassembly 2 and second polarization filter subassembly 3 all can carry out free dismouting. And optionally, the specific number of the first polarization filter assembly 2 and the second polarization filter assembly 3 can be increased or decreased as required, if the first polarization filter assembly 2 and the second polarization filter assembly 3 can be both multiple, the multiple first polarization filter assemblies 2 and/or the multiple second polarization filter assemblies 3 can be arranged by being overlapped through magnetic attraction.
Specifically, the adapter ring 1 is made of a magnetic material and can be adsorbed and fixed by a magnetic material such as a magnet; correspondingly, the first polarization filter component 2 and the second polarization filter component 3 are provided with magnets, so that the first polarization filter component 2 and the second polarization filter component 3 can be arranged at the front end of the adapter ring 1 in sequence through a magnetic attraction mode.
Referring to fig. 4, in the embodiment shown, the first polarization filter assembly 2 includes a first frame 21, a first filter 22, a first magnet 23 and a first press ring 24, wherein the first filter 22 is pressed on the first frame 21 by the first press ring 24, and the first magnet 23 is fixed on the first frame 21 by a slot or a pressing manner of the first press ring 24. Similarly, referring to fig. 5, in the embodiment shown, the second polarization filter assembly 3 includes a second frame 31, a second filter 32, a second magnet 33 and a second press ring 34, wherein the second filter 32 is pressed on the second frame 31 by the second press ring 34, and the second magnet 33 is fixed on the second frame 31 by a slot or by pressing the second press ring 34. The first filter lens 22 and the second filter lens 32 are not limited to polarization filter lenses, and the first filter lens 22 is a lens with a shape corresponding to the first frame 21, and the second filter lens 32 is a lens with a shape corresponding to the second frame 31, if the first polarization filter assembly 2 and the second polarization filter assembly 3 are circular polarization filter assemblies, the first frame 21 and the second frame 31 are circular frames, and the first filter lens 22 and the second filter lens 32 are circular filter lenses.
Optionally, but not limited to, the magnetic blocks are integrated magnetic strips corresponding to the periphery of the lens frame, or the magnetic blocks include a plurality of magnetic blocks, and the plurality of magnetic blocks are uniformly distributed along the circumference of the lens frame, as shown in fig. 2 and 3, the plurality of first magnetic blocks 23 and the plurality of second magnetic blocks 33 are both multiple, and the plurality of first magnetic blocks 23 and the plurality of second magnetic blocks 33 are uniformly distributed along the circumferences of the first lens frame 21 and the second lens frame 31, respectively.
In the specific embodiment shown in fig. 1, both the first polarization filter assembly 2 and the second polarization filter assembly 3 are magnetically attracted to the adapter ring 1 and disposed at the front end of the adapter ring 1, and the first polarization filter assembly 2 is embedded in the second polarization filter assembly 3. And, the first polarization filter assembly 2 and the second polarization filter assembly 3 can be respectively and independently used with the adapter ring 1.
In a preferred embodiment, as shown in fig. 6, the first polarization filter assembly 2 can be used alone in direct cooperation with the adapter ring 1. When the assembly is used, the first polarization filter component 2 is directly magnetically attracted to the front end of the adapter ring 1. Optionally, the first polarization filter assembly 2 may be a plurality of, and the plurality of first polarization filter assemblies 2 may be magnetically attracted to be sequentially stacked.
In another preferred embodiment, as shown in fig. 7, the second polarization filter assembly 3 can be used alone and directly with the adapter ring 1. When the assembly is used, the second polarization filter component 3 is directly magnetically attracted to the front end of the adapter ring 1. Optionally, the second polarization filter assembly 3 may be a plurality of, and the plurality of second polarization filter assemblies 3 may be arranged by being magnetically attracted in sequence.
In addition, in a preferred embodiment, please refer to fig. 1, fig. 2 and fig. 4 again, a detachable pin 25 is disposed at the rear end of the first polarization filter assembly 2, the detachable pin 25 is detachably mounted on the first frame 21 of the first polarization filter assembly 2, and correspondingly, the adapter ring 1 is provided with a positioning hole 102; the positioning hole 102 is adapted to the removable pin 25, and the removable pin 25 can be inserted into the positioning hole 102 during the process of rotating the first polarization filter assembly 2. It should be noted that the positioning hole 102 is a blind hole and is only a concave hole for matching and positioning with the detachable pin 25, so as to effectively prevent light leakage.
Thus, after the first polarization filter assembly 2 is adjusted and used, if necessary, the first polarization filter assembly 2 can be rotated and the detachable pin 25 can be clamped into the positioning hole 102, so that the position of the first polarization filter assembly 2 is kept fixed; the removable pin 25 can be removed when a plurality of first polarization filter assemblies 2 are stacked or when the position of the first polarization filter assembly 2 is not fixed.
In another preferred embodiment, please refer to fig. 8, the second polarization filter assembly 3 can be turned over and magnetically attracted to be disposed at the front end of the adapter ring 1 for reverse use. The positive and negative face based on polarization filter has different polarization filter effect when carrying out light incidence, and the different effect of reverse second polarization filter subassembly 3 multiplicable positive and negative that uses, and when reverse second polarization filter subassembly 3 that uses and the cooperation of first polarization filter subassembly 2 used, can make the assembled form more diversified, realize more combination, the function is more.
Further, referring to fig. 1, fig. 2 and fig. 5 again, a limiting bump 301 is disposed at the front end of the second polarization filter assembly 3, the limiting bump 301 is specifically disposed on the second frame 31 of the second polarization filter assembly 3 in a protruding manner, and a limiting groove 103 is disposed on the adapter ring 1; when the second polarization filter assembly 3 is used reversely, the limiting lug 301 is correspondingly assembled in the limiting groove 103, and performs limiting sliding in the limiting groove 103 to limit the rotation of the second polarization filter assembly 3 used reversely.
The number of the limiting bumps 301 can be set according to the actual situation, and specifically can be a plurality of limiting bumps 301 which are uniformly distributed along the circumference of the second polarization filter assembly 3. Optionally, but not limited to, in the embodiment shown in fig. 1, fig. 2 and fig. 5, the two limiting protrusions 301 are symmetrically disposed on the second polarization filter assembly 3; correspondingly, the two limiting grooves 103 are symmetrically arranged on the adapter ring 1, and are in one-to-one correspondence with the two limiting bumps 301 on the second polarization filter assembly 3. Thus, the rotation of the second polarization filter assembly 3 used in the reverse direction can be stably restricted.
In a preferred embodiment, when the second polarization filter assembly 3 is used reversely, under the limiting action of the limiting groove 103 and the limiting protrusion 301, the rotation angle of the second polarization filter assembly 3 is limited to 0-90 °, and a wider and effective combined use variation range is provided between the second polarization filter assembly 3 used reversely and the first polarization filter assembly 2 within the rotation angle range.
Example 1
The combined polarization filter system of the utility model is adopted to carry out the lens filtering processing of the camera 100 so as to ensure that the shot materials have better effect. Referring to fig. 9 and 10, the filter system 200 is installed at the front end of the lens of the camera 100, wherein the rear end of the adapter ring 1 is connected to the front end of the lens of the camera 100 in a screw connection or a snap connection manner through the installation part 101 thereon, and the first polarization filter assembly 2 and the second polarization filter assembly 3 are sequentially arranged at the front end of the adapter ring 1 by magnetic attraction, so as to realize the assembly of the filter system 200 at the front end of the lens of the camera 100.
The above embodiments are merely preferred embodiments of the present invention, and the technical solutions of the present invention are described in further detail, but the above descriptions are exemplary, not exhaustive, and are not limited to the disclosed embodiments, the scope and implementation of the present invention are not limited thereto, and any changes, combinations, deletions, substitutions or modifications that do not depart from the spirit and principle of the present invention are included in the scope of the present invention.
Claims (10)
1. A combined polarization filter system is characterized by comprising an adapter ring, a first polarization filter component and a second polarization filter component, wherein the first polarization filter component and the second polarization filter component are sequentially arranged at the front end of the adapter ring; the first polarization filter component and the second polarization filter component are arranged at the front end of the adapter ring in a magnetic attraction manner with the adapter ring, and the first polarization filter component is embedded in the second polarization filter component; the first polarization filter assembly and the second polarization filter assembly can freely rotate relative to the adapter ring.
2. The combined polarization filter system of claim 1, wherein the adapter ring is made of magnetic material; and magnets are arranged on the first polarization filter component and the second polarization filter component.
3. The combined polarization filter system of claim 2, wherein the first and second polarization filter assemblies each comprise a frame, a filter sheet, a magnet and a press ring, the filter sheet is fixed on the frame by the press ring, and the magnet is disposed on the frame.
4. The combined polarized filter system of claim 3, wherein the magnetic block is an integrated magnetic strip corresponding to the periphery of the lens frame, or the magnetic block comprises a plurality of magnetic blocks, and the plurality of magnetic blocks are uniformly distributed along the circumference of the lens frame.
5. The combined polarized filter system of claim 2, wherein the rear end of the adapter ring has a mounting portion for engaging a lens, including a screw or a snap.
6. The combined polarization filter system of claim 1, wherein the first polarization filter assembly and the second polarization filter assembly are circular polarization filter assemblies.
7. The combined polarization filter system of claim 1, wherein a detachable pin is disposed on the rear end of the first polarization filter assembly, and a positioning hole is disposed on the adapter ring; the positioning hole is matched with the detachable pin, and the detachable pin can be clamped into the positioning hole in the process of rotating the first polarization filter assembly.
8. The combined polarization filter system of any one of claims 1 to 7, wherein the second polarization filter assembly is arranged at the front end of the adapter ring in a reversible magnetic attraction manner for reverse use.
9. The combined polarization filter system according to claim 8, wherein a limiting projection is disposed at the front end of the second polarization filter assembly, and a limiting groove is disposed on the adapter ring; when the second polarization filter assembly is used reversely, the limiting lug is correspondingly assembled in the limiting groove and slides in the limiting groove in a limiting mode.
10. The combined polarization filter system of claim 9, wherein the rotation angle of the second polarization filter assembly is limited to 0-90 ° by the limiting groove and the limiting protrusion when the second polarization filter assembly is used in reverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122357915.6U CN215910773U (en) | 2021-09-27 | 2021-09-27 | Combined polarization filter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122357915.6U CN215910773U (en) | 2021-09-27 | 2021-09-27 | Combined polarization filter system |
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| Publication Number | Publication Date |
|---|---|
| CN215910773U true CN215910773U (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122357915.6U Active CN215910773U (en) | 2021-09-27 | 2021-09-27 | Combined polarization filter system |
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| CN (1) | CN215910773U (en) |
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- 2021-09-27 CN CN202122357915.6U patent/CN215910773U/en active Active
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