A lens filter holder capable of rotating and adjusting filter sheets individually

Abstract

The present invention relates to a lens filter holder capable of rotating and adjusting filter lenses individually, comprising a lens connection ring and a filter holder, wherein the lens connection ring is rotatably and lockably arranged on the back of the filter holder, and the front of the filter holder comprises a coaxial filter lens mounting frame, and the filter lens mounting frame comprises two or more layers of filter lens sub-mounting frames that can rotate with each other, and each layer of the filter lens sub-mounting frames is provided with two lens clips that are spaced and arranged oppositely. When in use, the user can rotate and adjust all the filter lenses on the filter holder at the same time, and can rotate and adjust the filter lenses of each layer of the filter lens sub-mounting frame individually, which is applicable to a wide range of shooting environments, has more varied filter effects, effectively improves shooting effects and shooting quality, is very flexible and convenient to use, is very simple and easy to operate, and has a simple and compact structure, is conducive to production, processing and use, and has strong market competitiveness.

Description

Technical Field

[0001] The invention belongs to the technical field of photographic equipment, and in particular relates to a lens filter bracket capable of rotating and adjusting a filter sheet independently. Background Art

[0002] At present, the existing cameras, video cameras and other shooting equipment on the market usually install different filter lenses in front of the lens through the filter holder during use to achieve different effects. Moreover, these existing filter holders include a lens adapter and a filter holder; however, the applicant found that: the adapter body of the lens adapter and the filter holder can be rotatably assembled together, and multiple different filter lenses are installed on the filter holder through the lens clip. During use, all filter lenses can only be rotated and adjusted at the same time, which cannot meet the composition requirements of various shooting environments at all, and seriously affects the shooting quality. Summary of the invention

[0003] In order to solve the above problems existing in the prior art, the present invention provides a lens filter holder which can not only rotate and adjust all the filter lenses on the filter holder at the same time, but also rotate and adjust the filter lenses on each layer of the filter lens sub-mounting frame individually. The lens filter holder is suitable for a wide range of shooting environments, has a variety of filter effects, is very flexible and convenient to use, and is easy to operate.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] A lens filter holder capable of rotating and adjusting a filter independently comprises a lens connection ring and a filter holder, wherein the lens connection ring is rotatably and lockably arranged on the back of the filter holder, and the front of the filter holder comprises a coaxial filter plate mounting frame, wherein the filter plate mounting frame comprises two or more layers of filter plate sub-mounting frames rotatable with respect to each other, and each layer of the filter plate sub-mounting frames is provided with two lens clips arranged opposite to each other at intervals.

[0006] Furthermore, each layer of the filter lens mounting frame comprises an annular support and two lens clips, the two lens clips are arranged on the annular support at intervals and opposite to each other, and the annular supports of two adjacent layers of the filter lens mounting frames can be rotatably connected to each other.

[0007] Furthermore, the annular brackets of two adjacent layers of filter lens mounting frames are rotatably connected to each other through the rotating clamping position and the clamping part.

[0008] Furthermore, a through hole is provided in the middle of two adjacent layers of the annular brackets, and a rotation clamping position is provided on the hole wall of the through hole of one layer of the annular brackets, and the rotation clamping position is a circular groove or two or more arc-shaped grooves. The other layer of the annular bracket is provided with a clamping part on the side facing one of the layers of the annular brackets, and the clamping part is provided with a protrusion; during assembly, the clamping part is movably installed in the through hole, and the protrusion can be reciprocated and clamped in the circular groove or the arc-shaped groove.

[0009] Further, the clamping portion is a circular clamping edge coaxial with the through hole, the protrusion is a circular convex rib arranged on the outer surface of the circular clamping edge or a convex block distributed in an annular manner on the outer surface of the circular clamping edge, and the circular convex rib and the convex block can be reciprocatingly clamped in the circular groove; or, the clamping portion is two or more clamping feet distributed in an annular manner on the annular bracket, the protrusion is a convex block arranged on the outer surface of the clamping foot, and the convex blocks of the two or more clamping feet can be reciprocatingly clamped in two or more circular arc grooves respectively.

[0010] Furthermore, the clamping portion and the protrusion are an integrated structure with the annular bracket.

[0011] Furthermore, a through hole is provided in the middle of two adjacent layers of the annular brackets, and the relative surfaces of the two layers of the annular brackets are respectively provided with annular clamping positions and clamping parts coaxial with the through hole, wherein the annular clamping position is a circular groove with an "L"-shaped cross-section, and the clamping part has an "L"-shaped cross-section and can be reciprocated and clamped in the circular groove.

[0012] Furthermore, the clamping portion and the annular bracket are an integrated structure.

[0013] Furthermore, the filter lens mounting frame includes two layers of filter lens mounting frames that can rotate with each other, and the front and rear filter lens mounting frames both include an annular bracket and two lens clips; wherein the two lens clips of the filter lens mounting frame located at the rear are arranged on the rear surface of the annular bracket with relative spacing and are fixedly connected to the lens connecting ring; the two lens clips of the filter lens mounting frame located at the front are arranged on the front surface of the annular bracket with relative spacing, and the annular brackets of the front and rear filter lens mounting frames are connected together with relative spacing and can rotate with each other.

[0014] Furthermore, through holes are provided in the middle of the annular brackets of the front and rear layers of the filter lens sub-mounting racks, wherein a rotating clamping position is provided on the hole wall of the through hole of the annular bracket of the filter lens sub-mounting rack located at the rear, and the rotating clamping position is a circular groove, and the annular bracket of the filter lens sub-mounting rack located at the front is provided with a clamping portion on the side facing the annular bracket of the filter lens sub-mounting rack at the rear, and the clamping portion is a circular clamping edge coaxial with the through hole and flush with the hole wall of the through hole, and the protrusion is a circular convex rib arranged on the outer surface of the circular clamping edge; during assembly, the circular clamping edge can be rotatably installed in the through hole, and the circular convex rib can be rotatably clamped in the circular groove.

[0015] The present invention mainly has the following beneficial effects:

[0016] Through the above technical scheme, the present invention can not only rotate and adjust all the filter lenses on the filter bracket at the same time, but also rotate and adjust the filter lenses of each layer of the filter lens mounting frame separately. It is suitable for a wide range of shooting environments, and the filter effects are more varied, which effectively improves the shooting effect and shooting quality. It is very flexible and convenient to use, and the operation is also very simple. In addition, the structure is simple and compact, which is conducive to production, processing and use, and has strong market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of a lens filter holder capable of independently rotating and adjusting a filter sheet according to the present invention;

[0018] Figure 2 It is a schematic cross-sectional structural diagram of an embodiment of a lens filter holder capable of independently rotating and adjusting a filter sheet according to the present invention;

[0019] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of part A in the middle. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] like Figures 1 to 3As shown in the figure, the lens filter holder of the present invention which can rotate and adjust the filter sheet individually comprises a lens ring 1 and a filter holder 2. The lens ring 1 is rotatably and lockably arranged on the back of the filter holder 2. The specific structure is: the lens ring 1 and the filter holder 2 can be assembled into one body in a detachable manner, and a locking member 11 is provided on the circumferential side of the filter holder 2. The locking member 11 can be a locking screw which can axially move into the filter holder 2 and act on the lens ring 1 to achieve locking between the lens ring 1 and the filter holder 2.

[0022] The front side of the filter support 2 includes a coaxial filter lens mounting frame 3, and the filter lens mounting frame 3 includes two or more layers of filter lens sub-mounting frames 4 that can rotate with each other, and each layer of the filter lens sub-mounting frames 4 is provided with two lens clips 6 that are arranged oppositely and at intervals. The specific structure can be: each layer of the filter lens sub-mounting frame 4 includes an annular support 5 and two lens clips 6, and the two lens clips 6 are arranged oppositely and at intervals on the annular support 5, and the annular supports 5 of two adjacent layers of the filter lens sub-mounting frames 4 can be rotatably connected together, wherein the annular supports 5 of two adjacent layers of the filter lens sub-mounting frames 4 can be rotatably connected together through a rotational clamping position and a clamping portion, specifically, the middle of the two adjacent layers of the annular supports 5 are provided with a through hole 7, and the through hole 7 can be a circular through hole, an elliptical through hole, or a polygonal through hole, and a rotation clamping position is provided on the hole wall of the through hole 7 of one layer of the annular support 5, and the rotation clamping position is a circular groove 8, and the annular support 5 of the other layer A clamping portion 9 is provided on one side of the annular bracket 5 facing one layer, and a protrusion 10 is provided on the clamping portion 9. The clamping portion 9 and the protrusion 10 are an integrated structure with the annular bracket 5. During assembly, the clamping portion 9 is movably installed in the through hole 7, and the protrusion 10 can be reciprocatingly clamped in the circular groove 8. Moreover, the clamping portion 9 can be a circular clamping edge coaxial with the through hole 7, and the protrusion 10 is a circular convex rib arranged on the outer surface of the circular clamping edge, and the circular convex rib and the convex block can be reciprocatingly clamped in the groove of the circular groove 8 (the convex block 10 can also be a convex block distributed in an annular manner on the outer surface of the circular clamping edge, and the convex block can be reciprocatingly clamped in the groove of the circular groove 8).

[0023] For example, the lens filter holder capable of individually rotating and adjusting the filter as described in the embodiment of the present invention, its filter plate mounting frame 3 includes two layers of filter plate sub-mounting frames 4 that can rotate with each other, and the front and rear filter plate sub-mounting frames 4 both include an annular bracket 5 and two lens clips 6; wherein the two lens clips 6 of the filter plate sub-mounting frame 4 located at the rear are arranged on the rear side surface of the annular bracket 5 with intervals and are fixedly connected to the lens connecting ring 1; the two lens clips 6 of the filter plate sub-mounting frame 4 located at the front are arranged on the front side surface of the annular bracket 5 with intervals and are connected with each other with intervals, and the annular brackets 5 of the front and rear filter plate sub-mounting frames 4 are connected with each other with intervals and are connected with each other with intervals. The specific structure is that a through hole 7 is provided in the middle of the annular bracket 5 of the front and rear filter lens sub-mounting frames 4, and the through hole 7 is a circular through hole, wherein the hole wall of the through hole 7 of the annular bracket 5 of the filter lens sub-mounting frame 4 located at the rear is provided with a rotation clamping position, and the rotation clamping position is a circular groove 8, and the annular bracket 5 of the filter lens sub-mounting frame 4 located at the front is provided with a clamping portion 9 on the side of the annular bracket 5 of the filter lens sub-mounting frame 4 located at the rear, and the clamping portion 9 is a circular clamping edge coaxial with the through hole 7 and flush with the hole wall of the through hole 7, and the protrusion 10 is a circular convex rib arranged on the outer surface of the circular clamping edge; during assembly, the circular clamping edge can be rotatably installed in the through hole 7, and the circular convex rib can be rotatably clamped in the circular groove 8.

[0024] When the lens filter holder of the present invention is used, it is installed and fixed on the lens of a camera or other photographic equipment through the lens ring 1, and then the filter holder 2 is rotated to adjust all the filter lenses on the filter holder 2 at one time. After the adjustment, the locking piece 11 is operated to lock it. Then the user can also directly rotate the filter lens mounting frame 4 to adjust the filter lenses of each layer of the filter lens mounting frame 4.

[0025] In this way, the lens filter holder of the present invention can not only rotate and adjust all the filter lenses on the filter holder 2 at the same time, but also rotate and adjust the filter lenses of each layer of the filter lens sub-mounting frame 4 separately. It is applicable to a wider range of shooting environments, and the filter effects are more varied, which effectively improves the shooting effect and shooting quality. It is very flexible and convenient to use, and the operation is also very simple. In addition, the structure is simple and compact, which is conducive to production, processing and use.

[0026] Of course, the rotational positioning of one layer of the annular bracket 5 of the two adjacent layers of filter disc mounting frames 4 of the lens filter bracket described in the present invention can also be two or more arc-shaped grooves, and the other layer of the annular bracket 5 is provided with a clamping portion 9 on the side facing the one layer of the annular bracket 5, and the clamping portion 9 is provided with a protrusion 10; during assembly, the clamping portion 9 is movably installed in the through hole 7, and the protrusion 10 can be reciprocatingly clamped in the arc-shaped groove; moreover, the clamping portion 9 can also be two or more clamping feet distributed in a ring on the annular bracket 5, and the protrusion 10 is a convex block arranged on the outer surface of the clamping foot, and the protrusions of the two or more clamping feet can be reciprocatingly clamped in the two or more arc-shaped grooves respectively.

[0027] Alternatively, the rotating clamping position and the clamping portion 9 can also be respectively arranged at the outer edges of the annular bracket 5 of two adjacent layers of the filter lens mounting frame 4, for example: the rotating clamping position is arranged on the outer edge end face of one layer of the annular bracket 5, and the clamping portion 9 is arranged on the outer edge or close to the edge of the other layer of the annular bracket 5.

[0028] In addition, the surfaces opposite to each other of the two adjacent layers of the ring brackets 5 of the lens filter bracket of the present invention can also respectively have annular clamping positions and clamping parts coaxial with the through hole 7, the clamping parts and the ring bracket 5 are an integrated structure, and the annular clamping positions are circular grooves with an "L"-shaped cross-section, the clamping parts have an "L"-shaped cross-section, and can be reciprocated and clamped in the circular groove.

[0029] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A lens filter holder capable of rotating and adjusting a filter sheet independently, characterized in that: The invention comprises a lens connection ring (1) and a filter holder (2), wherein the lens connection ring (1) is rotatably and lockably arranged on the back of the filter holder (2), and the front of the filter holder (2) comprises a coaxial filter plate mounting frame (3), and the filter plate mounting frame (3) comprises two or more layers of filter plate sub-mounting frames (4) rotatable with respect to each other, and each layer of the filter plate sub-mounting frame (4) is provided with two lens clips (6) arranged opposite to each other at intervals; Each layer of the filter lens mounting frame (4) comprises an annular support (5) and two lens clips (6), wherein the two lens clips (6) are arranged on the annular support (5) at intervals and opposite to each other, and the annular supports (5) of two adjacent layers of the filter lens mounting frames (4) are rotatably connected to each other through a rotating clamping position and a clamping part.

2. The lens filter holder capable of independently rotating and adjusting the filter sheet according to claim 1, characterized in that: A through hole (7) is provided in the middle of two adjacent layers of the annular brackets (5); a rotational clamping position is provided on the hole wall of the through hole (7) of one layer of the annular brackets (5); the rotational clamping position is a circular groove (8) or two or more circular arc grooves; a clamping portion (9) is provided on the side of the other layer of the annular brackets (5) facing the one layer of the annular brackets (5); a protrusion (10) is provided on the clamping portion (9); during assembly, the clamping portion (9) is movably installed in the through hole (7), and the protrusion (10) can be reciprocated and clamped in the circular groove (8) or the circular arc groove.

3. The lens filter holder capable of rotating and adjusting the filter sheet independently according to claim 2, characterized in that: The clamping portion (9) is a circular clamping edge coaxial with the through hole (7), the protrusion (10) is a circular convex rib arranged on the outer surface of the circular clamping edge or a convex block annularly distributed on the outer surface of the circular clamping edge, and the circular convex rib and the convex block can be reciprocatingly clamped in the circular groove (8); or, the clamping portion (9) is two or more clamping feet annularly distributed on the annular bracket (5), the protrusion (10) is a convex block arranged on the outer surface of the clamping feet, and the convex blocks of the two or more clamping feet can be reciprocatingly clamped in two or more circular arc grooves.

4. The lens filter holder capable of independently rotating and adjusting the filter sheet according to claim 3, characterized in that: The clamping portion (9) and the protrusion (10) are an integrated structure with the annular bracket (5).

5. The lens filter holder capable of independently rotating and adjusting the filter sheet according to claim 1, characterized in that: A through hole (7) is provided in the middle of two adjacent layers of the annular brackets (5), and the surfaces opposite to each other of the two layers of the annular brackets (5) are respectively provided with an annular clamping position and a clamping portion coaxial with the through hole (7), wherein the annular clamping position is a circular groove with an "L"-shaped cross section, and the clamping portion has an "L"-shaped cross section and can be reciprocatedly clamped in the circular groove.

6. The lens filter holder capable of independently rotating and adjusting the filter sheet according to claim 5, characterized in that: The clamping portion and the annular bracket (5) are an integrated structure.

7. The lens filter holder capable of independently rotating and adjusting the filter sheet according to any one of claims 2 to 4, characterized in that: The filter lens mounting frame (3) comprises two layers of filter lens mounting frames (4) which are rotatable with each other, and the two layers of filter lens mounting frames (4) each comprise an annular support (5) and two lens clips (6); wherein the two lens clips (6) of the filter lens mounting frame (4) located at the rear are arranged on the rear side surface of the annular support (5) with a spacing therebetween and are fixedly connected to the lens connection ring (1); and the two lens clips (6) of the filter lens mounting frame (4) located at the front are arranged on the front side surface of the annular support (5) with a spacing therebetween and are connected with each other with a rotation therebetween.

8. The lens filter holder capable of independently rotating and adjusting the filter sheet according to claim 7, characterized in that: A through hole (7) is provided in the middle of the annular brackets (5) of the front and rear filter plate sub-mounting frames (4), wherein a rotation clamping position is provided on the hole wall of the through hole (7) of the annular bracket (5) of the filter plate sub-mounting frame (4) located at the rear, and the rotation clamping position is a circular groove (8). The annular bracket (5) of the filter plate sub-mounting frame (4) located at the front is provided with a clamping portion (9) on the side facing the annular bracket (5) of the filter plate sub-mounting frame (4) at the rear, and the clamping portion (9) is a circular clamping edge coaxial with the through hole (7) and flush with the hole wall of the through hole (7), and the protrusion (10) is a circular convex rib provided on the outer surface of the circular clamping edge; during assembly, the circular clamping edge is rotatably mounted in the through hole (7), and the circular convex rib is rotatably clamped in the circular groove (8).

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