CN216286098U - Filter structure capable of independently rotating and adjusting angle - Google Patents

Abstract

The application provides a but filter structure of independent rotation angle regulation, including leading filter subassembly and rearmounted filter subassembly, leading filter subassembly includes first collar, first filter ring and first filter, first filter ring is located to first filter, first filter ring can be dismantled and locate first collar in, and can rotate first collar relatively, rearmounted filter subassembly includes the second collar, second filter ring and second filter, the second filter ring is located to the second filter, the second filter ring is located the second collar and can rotates relative to the second collar, the second collar with pass the second filter ring and be connected with first collar. Through the interaction of first collar, first filter ring, second collar and second filter ring, can make the filter structure use in multiple scene, convenient operation.

Description

Filter structure capable of independently rotating and adjusting angle

Technical Field

The utility model relates to the technical field of photographic equipment, in particular to a filter structure capable of independently rotating and adjusting angles.

Background

The ND mirror is also called a light reduction mirror, is one of the commonly used filters in daily life, and is essential for long exposure in the daytime and for taking photos with special effects. Two polarizers of the existing adjustable ND mirror are mechanically matched and fixed and integrated front and back, cannot be separated, cannot be used for replacing the mirror, and is single in use scene.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this application provides a filter structure of independent rotation angle regulation.

The application discloses a but independent rotation angle regulation's filter structure includes: leading filter assembly and rearmounted filter assembly, leading filter assembly includes first collar, first filter ring and first filter, first filter ring is located to first filter, first filter ring can be dismantled and locate first collar in, and can rotate relative first collar, rearmounted filter assembly includes the second collar, second filter ring and second filter, the second filter ring is located to the second filter, the second filter ring is located the second collar and can rotates relative the second collar, the second collar with pass the second filter ring and be connected with first collar.

According to one embodiment of the present invention, the first mounting ring is magnetically attracted to the first filter ring.

According to one embodiment of the present invention, the first mounting ring is provided with at least two limiting grooves, and the at least two limiting grooves are sequentially arranged in the circumferential direction of the first mounting ring; the first filter ring is provided with a clamping column facing one surface of the first mounting ring, and the clamping column is positioned in one of the limiting grooves.

According to an embodiment of the present invention, the number of the at least two limiting grooves is two, and the groove lengths of the two limiting grooves are different.

According to an embodiment of the present invention, the second mounting ring includes a ring body and a limiting portion, the limiting portion is disposed around the circumference of the ring body, and the second filter ring is sleeved on the outer circumference of the limiting portion.

According to an embodiment of the present invention, the second filter ring includes an outer ring, an inner ring and a connecting column, the inner ring is disposed in the outer ring, the limiting portion is provided with a first notch, the first notch is connected to the limiting portion, the connecting column is located in the first notch, the connecting column passes through the first notch and extends into the outer ring to be connected to the inner ring, a first gap is formed between the inner ring and the outer ring, the limiting portion is located in the first gap, and the second filter is disposed in the inner ring.

According to an embodiment of the present invention, the inner ring includes an inner ring body and a bearing portion, the bearing portion is annularly disposed on an inner wall of the inner ring body, the second filter is disposed on the bearing portion, and the connection column penetrates through the outer ring to connect with the inner ring body.

According to an embodiment of the present invention, the inner ring further includes a fixing ring movably disposed on a side of the inner ring body facing the bearing portion.

According to an embodiment of the present invention, the second mounting ring further includes a connecting portion, and the connecting portion is disposed on a surface of the ring body facing away from the limiting portion.

The beneficial effect of this application lies in: through the cooperation of dismantling of first filter ring and first collar make the filter structure can realize changing, the stack uses with the renewal piece, can also realize the regulation of light reduction angle simultaneously, through the cooperation of second collar and second filter ring, can realize the regulation to shooting angle or polarisation angle, removable filter combination of components of a whole that can function independently uses, has overcome the single problem of use scene of current product, first filter and second filter can rotate relatively, can realize the arbitrary angle assembly of filter structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is an exploded view of the structure of a filter in an embodiment;

FIG. 2 is an exploded view of a front filter assembly according to an embodiment;

FIG. 3 is an exploded view of the first mounting ring of the embodiment;

FIG. 4 is an exploded view of the first mounting ring of the embodiment;

FIG. 5 is a schematic diagram of a second filter ring structure according to an embodiment;

fig. 6 is an exploded view of the second filter ring in the embodiment.

Reference numerals:

1. a front filter assembly; 11. a first mounting ring; 111. a limiting groove; 112. a first magnetic ring; 1121. the body is magnetically attracted; 11211. an arc-shaped slot; 1122. accommodating grooves; 113. a second magnetic ring; 1131. an arc-shaped hole; 12. a first filter ring; 121. a clamping column; 13. a first filter; 14. pressing a ring;

2. a rear filter assembly; 21. a second mounting ring; 211. a ring body; 212. a limiting part; 213. a first notch; 214. a connecting portion; 2141. a thread structure; 22. a second filter ring; 221. an outer ring; 2211. a first through hole; 222. an inner ring; 2221. an inner ring body; 2222. a bearing part; 2223. a fixing ring; 2224. a second through hole; 223. connecting columns; 224. a first gap; 23. a second filter.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the application. That is, in some embodiments of the present application, such practical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indications such as up, down, left, right, front and rear … … in the embodiment of the present application are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in this application are for descriptive purposes only, not specifically referring to the order or sequence, nor are they intended to limit the application, but merely to distinguish components or operations described in the same technical terms, 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

For further understanding of the content, features and effects of the present application, the following embodiments are exemplified in conjunction with the accompanying drawings and the following detailed description:

referring to fig. 1, fig. 1 is an exploded schematic view of the filter structure in this embodiment. In this example, the filter structure includes a front filter assembly 1 and a rear filter assembly 2, and the front filter assembly 1 is connected to the rear filter assembly 2. The rear filter assembly 2 is mounted on the camera lens and used for eliminating polarized light or adjusting angles, and the front filter assembly 1 is used for dimming.

Leading filter assembly 1 includes first collar 11, first filter ring 12 and first filter 13, and first filter ring 12 can be dismantled and locate first collar 11, and can rotate relative to first collar 11, and first filter 13 is located in first filter ring 12, and first collar 11 is connected with rearmounted filter assembly 2.

The rear filter assembly 2 comprises a second mounting ring 21, a second filter ring 22 and a second filter 23, the second filter ring 22 is detachably arranged on the second mounting ring 21 and can rotate relative to the second mounting ring 21, the second filter 23 is arranged in the second filter ring 22, and the second mounting ring 21 penetrates through the second filter ring 22 to be connected with the first mounting ring 11.

Specifically, when the dimming device is used, the filter structure is arranged on the camera lens, and when the dimming range needs to be adjusted, only the first filter ring 12 needs to be rotated; when the shooting angle needs to be adjusted, only the second filter ring 22 needs to be rotated; when the light-reducing adjustment is not needed, the first filter ring 12 is only needed to be detached, the first filter 23 is taken out, and the rear filter assembly 2 is used alone, so that the rear filter assembly can be used as a polarizing filter and can also be used as other filters for adjusting angles. The cost of directly replacing the lens is saved for a user, and meanwhile, the lens can be conveniently used independently, overlapped and replaced.

In this embodiment, in order to realize the quick detachment of the first mounting ring 11 and the first filter ring 12 and avoid the problems of unsmooth rotation, slipping, less grease and more grease during rotation, the first mounting ring 11 and the first filter ring 12 are magnetically attracted, that is, the first mounting ring 11 and the first filter ring 12 are magnetically different, and the first mounting ring 11 and the first filter ring 12 are attracted. When the first filter 13 needs to be replaced, the first filter ring 12 is detached from the first mounting ring 11 by applying a force to the first filter ring 12, and then the first filter ring 12 with the replaced first filter 13 is attracted to the first mounting ring 11, so that the replacement of the first filter 13 can be completed. Whole process convenient and fast need not two during the installation and counterpoints fixedly, and arbitrary angle is fixed, labour saving and time saving.

Referring to fig. 1 and fig. 2 again, fig. 2 is an exploded schematic view of the front filter assembly in the present embodiment. In this example, in order to accurately adjust the dimming angle for shooting in different scenes, so that a dark angle or a ghost image is not generated in the shooting process, in this example, at least two limiting grooves 111 are arranged on the first mounting ring 11, the at least two limiting grooves 111 are sequentially arranged in the circumferential direction of the first mounting ring 11, a clamping column 121 is arranged on a surface of the first filter ring 12 facing the first mounting ring 11, and the clamping column 121 is located in one of the limiting grooves 111. When the number of the at least two limiting grooves 111 is two, the groove lengths of the two limiting grooves 111 are different. In this example, the shape of the limiting groove 111 is arc, wherein the diameter of the engaging column 121 is smaller than the width of the limiting groove 111. Because different dimming lens have different dimming range, when the lens of first filter ring 12 installation is different, joint post 121 then is located another spacing groove 111 with dimming lens dimming range adaptation, so, when shooting the scene different, can not produce the vignetting because the angle of adjustable is slightly littleer, also can not produce the ghost because the angle of regulation is too big.

Referring to fig. 3 and fig. 1 and 2 again, fig. 3 is an exploded view of the first installation ring in this embodiment. In this embodiment, the first mounting ring 11 includes a first magnetic ring 112 and a second magnetic ring 113, the first magnetic ring 112 includes a magnetic body 1121 and a receiving groove 1122, the receiving groove 1122 is annularly disposed on a surface of the magnetic body 1121 facing the first filter ring 12, and the second magnetic ring 113 is disposed in the receiving groove 1122 and is adapted to the receiving groove 1122. The first magnetic ring 112 and the second magnetic ring 113 have different magnetic properties, the first magnetic ring 112 and the first filter ring 12 have the same magnetic properties, the first magnetic ring 112 and the second magnetic ring 113 attract each other, the second magnetic ring 113 and the first filter ring 12 attract each other, one surface of the second magnetic ring 113 adsorbs the first magnetic ring 112, and the other surface adsorbs the first filter ring 12. The first magnetic ring 112 and the first filter ring 12 are made of the same material, and the first magnetic ring 112 and the second magnetic ring 113 are made of different materials.

Further, at least two arc-shaped slots 11211 are further disposed on the magnetic attraction body 1121, and the at least two arc-shaped slots 11211 are disposed in the circumferential direction of the magnetic attraction body 1121; at least two arc-shaped holes 1131 are formed in the second magnetic attraction ring 113, and the at least two arc-shaped holes 1131 are formed in the circumferential direction of the second magnetic attraction ring 113; when the arc-shaped grooves 11211 and the arc-shaped holes 1131 are both provided in two, one of the arc-shaped grooves 11211 corresponds to one of the arc-shaped holes 1131, and the groove length of one of the arc-shaped grooves 11211 is the same as the shape of one of the arc-shaped holes 1131; the other arcuate slot 11211 corresponds to the other arcuate aperture 1131 and the other arcuate slot 11211 is the same shape as the other arcuate aperture 1131. When the first magnetic ring 112, the second magnetic ring 113 and the first filter ring 12 are attracted, the locking post 121 sequentially passes through one of the arc holes 1131 and extends into one of the arc slots 11211.

Referring to fig. 4 and fig. 1 again, fig. 4 is an exploded view of the first installation ring in the present embodiment. In order to prevent the first filter 13 from falling off from the first mounting ring 11, in this example, the first mounting ring 11 further includes a pressing ring 14, the pressing ring 14 is embedded in a side of the first mounting ring 11 away from the clamping column 121, specifically, when in use, only the first filter 13 needs to be installed in the first mounting ring 11 from a side of the first mounting ring 11 away from the clamping column 121, and then the pressing ring 14 is embedded in a side of the first mounting ring 11 away from the clamping column 121.

Referring to fig. 5 and 6 again, fig. 4 is a schematic diagram of a second filter structure in the present embodiment, and fig. 5 is an exploded schematic diagram of a second filter ring in the present embodiment. In this example, the second mounting ring 21 includes a ring body 211 and a stopper 212, the stopper 212 surrounds the ring body 211 in the circumferential direction, and the second filter ring 22 is fitted around the outer circumferential wall of the stopper 212. The second filter ring 22 includes an outer ring 221, an inner ring 222, and a connecting column 223, the inner ring 222 is disposed in the outer ring 221, the limiting portion 212 is provided with a first notch 213, the first notch 213 is connected to the limiting portion 212, the connecting column 223 is disposed in the first notch 213, the connecting column 223 sequentially passes through the first notch 213 and the outer ring 221 to be connected to the inner ring 222, a first gap 224 is formed between the inner ring 222 and the outer ring 221, the limiting portion 212 is disposed in the first gap 224, and the first filter 13 is disposed in the inner ring 222. The diameter of the inner ring 222 is smaller than that of the outer ring 221, and the inner ring 222 and the outer ring 221 have the same height. When the rear filter assembly 2 is used for angle adjustment, only the connecting column 223 needs to be shifted, and the connecting column 223 moves in the first notch 213 to drive the inner ring 222 and the second filter 23 to rotate around the limiting part 212.

In order to more conveniently mount the second filter 23, in this example, the inner ring 222 includes an inner ring body 2221 and a bearing portion 2222, the bearing portion 2222 is connected to an inner wall of the inner ring body 2221 and extends toward a central axis of the inner ring body 2221, the second filter 23 is disposed on the bearing portion 2222, the connecting column 223 penetrates through the first notch 213 and the outer ring 221 to be connected to the inner ring body 2221, and the connecting column 223 is partially located on an outer wall of the outer ring 221. Wherein, the outer ring 221 is provided with a first through hole 2211, the inner ring 222 is provided with a second through hole 2224, and one end of the connecting column 223 penetrates into the first notch 213, the first through hole 2211 and the second through hole 2224 in sequence.

Further, in order to prevent the second filter 23 from being separated from the receiving portion 2222, in this example, the inner ring 222 further includes a fixing ring 2223, the fixing ring 2223 is disposed at the other end of the inner ring 222 where the receiving portion 2222 is disposed, and the outer diameter of the fixing ring 2223 is smaller than the inner diameter of the inner ring body 2221. Specifically, when mounting, the second filter 23 is first mounted on the support portion 2222, and then the fixing ring 2223 is fitted over the inner ring 222.

Please refer back to fig. 1. In this embodiment, the second mounting ring 21 further includes a connecting portion 214, and the connecting portion 214 is disposed on a surface of the ring body 211 opposite to the limiting portion 212. The connecting portion 214 is used to connect a camera lens, and in order to mount the filter structure on the lens, a thread structure 2141 is provided on the outer periphery of the connecting portion 214.

In summary, when the filter is used, the filter is installed on the lens through the connecting portion 214, when the filter is used, only the first filter ring 12 needs to be rotated, the clamping column 121 moves in the limiting groove 111, the dimming range can be adjusted, meanwhile, the connecting column 223 is shifted, the connecting column 223 moves in the first notch 213, the outer ring 221 and the inner ring 222 are driven to rotate around the limiting portion 212, the shooting angle or the polarization degree can be adjusted, when dimming adjustment is not needed, only a force far away from the second filter ring 22 needs to be applied to the first filter ring 12, the first filter ring 12 is separated from the first mounting ring 11, the first filter 13 is taken out, and the filter structure can be independently used as a polarizer or a filter for adjusting the angle; when different light reducing mirrors need to be replaced, only the other first filter 13 needs to be installed in the first filter ring 12, the first filter ring 12 is installed in the first installation ring 11, and the clamping column 121 extends into the other arc-shaped groove 11211 from the other arc-shaped hole 1131. The device is applicable to various different scenes, and is convenient and quick to replace, time-saving and labor-saving.

The above are merely embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (9)

1. A filter structure capable of independently rotating and adjusting angles is characterized by comprising: leading filter assembly (1) and rearmounted filter assembly (2), leading filter assembly (1) includes first collar (11), first filter ring (12) and first filter (13), first filter (13) are located first filter ring (12), first filter ring (12) can be dismantled and locate in first collar (11) and first collar (11) relatively and rotate, rearmounted filter assembly (2) includes second collar (21), second filter ring (22) and second filter (23), second filter (23) are located second filter ring (22), second filter ring (22) are located second collar (21) and second collar (21) relatively rotate, second collar (21) pass second filter ring (22) with first collar (11) are connected.

2. An independently rotatable angle-adjustable filter structure as claimed in claim 1, characterized in that the first mounting ring (11) is magnetically attracted to the first filter ring (12).

3. The filter structure capable of independently rotating and adjusting the angle according to claim 2, wherein the first mounting ring (11) is provided with at least two limiting grooves (111), and the at least two limiting grooves (111) are sequentially arranged in the circumferential direction of the first mounting ring (11); one surface of the first filter ring (12) facing the first mounting ring (11) is provided with a clamping column (121), and the clamping column (121) is positioned in one of the limiting grooves (111).

4. The filter structure capable of independently rotating and adjusting the angle according to claim 3, wherein there are two limiting grooves (111), and the groove lengths of the two limiting grooves (111) are different.

5. The filter structure capable of independently rotating and adjusting the angle according to claim 1, wherein the second mounting ring (21) comprises a ring body (211) and a limiting portion (212), the limiting portion (212) is disposed around the ring body (211) in the circumferential direction, and the second filter ring (22) is sleeved on the outer circumferential wall of the limiting portion (212).

6. The filter structure capable of independently and rotatably adjusting the angle according to claim 5, wherein the second filter ring (22) comprises an outer ring (221), an inner ring (222) and a connecting column (223), the inner ring (222) is disposed in the outer ring (221), a first notch (213) is disposed on the limiting portion (212), the first notch (213) is connected to the limiting portion (212), the connecting column (223) is disposed in the first notch (213), the connecting column (223) passes through the first notch (213) and extends into the outer ring (221) to be connected to the inner ring (222), a first gap (224) is formed between the inner ring (222) and the outer ring (221), the limiting portion (212) is disposed in the first gap (224), and the second filter (23) is disposed in the inner ring (222).

7. The filter structure capable of independently and rotatably adjusting the angle according to claim 6, wherein the inner ring (222) comprises an inner ring body (2221) and a bearing portion (2222), the bearing portion (2222) is annularly disposed on the inner wall of the inner ring body (2221), the second filter (23) is disposed on the bearing portion (2222), and the connecting column (223) penetrates through the outer ring (221) to connect with the inner ring body (2221).

8. The filter structure capable of independently rotating and adjusting the angle according to claim 7, wherein the inner ring (222) further comprises a fixing ring (2223), and the fixing ring (2223) is movably disposed on a side of the inner ring body (2221) facing the bearing portion (2222).

9. The filter structure capable of independently rotating and adjusting the angle according to any one of claims 6 to 8, wherein the second mounting ring (21) further comprises a connecting portion (214), and the connecting portion (214) is disposed on a surface of the ring body (211) facing away from the limiting portion (212).

Images