CN215769289U

CN215769289U - Adjustable filter

Info

Publication number: CN215769289U
Application number: CN202122339112.8U
Authority: CN
Inventors: 宋健; 王广山; 余修智
Original assignee: Pgytech Co Ltd
Current assignee: Pgytech Co Ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-02-08
Anticipated expiration: 2031-09-26

Abstract

The utility model relates to the field of camera accessories, in particular to an adjustable filter. The adjustable filter comprises a first frame body and a second frame body; the first frame body is provided with a first connecting structure, and the second frame body is provided with a second connecting structure; the first connecting structure is connected with the second connecting structure and used for assembling the first frame body on the second frame body; the first frame body and the second frame body are respectively provided with a first lens and a second lens; the first lens and the second lens are oppositely arranged. According to the utility model, the first frame body and the second frame body are detachably connected through the first connecting structure and the second connecting structure, so that when the filter function needs to be replaced, the purpose of adjusting the filter to the required function can be finally achieved by replacing the first frame body with different first lenses, and the adjustable function of the camera is increased.

Description

Adjustable filter

Technical Field

The utility model relates to the field of camera accessories, in particular to an adjustable filter.

Background

Camera filters have been used to improve the quality of photographs and video. The camera filter allows the user to improve image quality in various settings. The camera filter must be removably attached to the camera lens or lens housing. Most of the lenses of the digital cameras are provided with threaded ports for connecting the filters. The filter functions obviously, the image quality can be improved, the lens can be protected from being damaged, the filter is much cheaper than the lens, and the filter is easier to replace.

When the existing camera filter is adjusted, the filter can rotate randomly to realize different functions, the adjusting range is wide, but the range is wide and is only limited to the range which can be adjusted by the two used lenses, the whole adjusting range is relatively small, and the realized functions are still few.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable filter, which can realize the adjustment of the functions of the filter by randomly replacing the lens of the filter, so that a camera can realize more functions.

The embodiment of the utility model is realized by the following steps:

the utility model provides an adjustable filter, which comprises a first frame body and a second frame body;

the first frame body is provided with a first connecting structure, and the second frame body is provided with a second connecting structure;

the first connecting structure is connected with the second connecting structure and used for assembling the first frame body on the second frame body;

the first frame body and the second frame body are respectively provided with a first lens and a second lens;

the first lens and the second lens are oppositely arranged.

In an alternative embodiment, a rotation positioning structure is disposed between the first frame and the second frame, and is used for adjusting different matching angles between the first lens and the second lens by adjusting different positioning angles.

In an alternative embodiment, the rotational adjustment range of the rotational positioning structure is 0-90 °.

In an optional embodiment, the rotary positioning structure includes a positioning member, the first frame body is provided with a first positioning groove, the second frame body is provided with a second positioning groove, and two ends of the positioning member are respectively disposed in the first positioning groove and the second positioning groove.

In an alternative embodiment, the positioning member is made of an elastic material.

In an alternative embodiment, the rotational positioning structure comprises a positioning member and an elastic member;

a first positioning groove is formed in the first frame body, a second positioning groove is formed in the second frame body, and two ends of the positioning piece are respectively arranged in the first positioning groove and the second positioning groove;

the elastic piece is used for applying acting force to the positioning piece to move towards the first positioning groove or the second positioning groove.

In an alternative embodiment, the first lens is a reduction lens, a polarizing lens, or a soft lens;

the second lens is a dimming lens, a polarizing lens or a soft lens.

In an alternative embodiment, the first connection structure comprises an insert ring body and the second connection structure comprises an insert collar;

the insertion convex ring can realize the connection of the first connecting structure and the second connecting structure by inserting the inner ring of the embedded ring body.

In an optional embodiment, a first baffle is arranged on the inner wall of one end of the embedding ring body, which is far away from the first frame body; a second baffle is arranged at one end, far away from the second frame body, of the insertion convex ring;

the first baffle is close to one side of the first frame body and can be abutted against one side of the second baffle close to the second frame body.

In an alternative embodiment, a third connecting structure is disposed on a side of the second frame body away from the first frame body.

The embodiment of the utility model has the beneficial effects that:

the detachable connection of the first frame body and the second frame body is achieved through the first connecting structure and the second connecting structure, when the filter function needs to be replaced, the purpose that the filter is adjusted to the needed function is finally achieved through replacing the first frame body with different first lenses, and the adjustable function of the camera is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is an exploded view of a filter according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a first frame of a filter according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a second frame of the filter according to the embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a filter according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic view of another structure of a filter according to an embodiment of the present invention;

fig. 7 is a partial enlarged view of fig. 6 at B.

Icon: 1-a first frame; 2-a first lens; 3, pressing a ring; 4-pressing a ring; 5-a second lens; 6-a positioning member; 7-a second frame; 8-a magnet; 9-a gasket; 10-a first positioning groove; 11-an insert ring body; 12-a first baffle; 13-inserting a convex ring; 14-a second baffle; 15-elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The utility model provides an adjustable filter, as shown in fig. 1, comprising a first frame body 1 and a second frame body 7; the first frame body 1 is provided with a first connecting structure, the second frame body 7 is provided with a second connecting structure, and the first connecting structure is connected with the second connecting structure and used for assembling the first frame body 1 on the second frame body 7; the first frame 1 and the second frame 7 are respectively provided with a first lens 2 and a second lens 5, and the first lens 2 and the second lens 5 are oppositely arranged.

In this embodiment, after the first lens 2 and the second lens 5 are disposed opposite to each other, the functions required for the filter can be realized by the combination of the first lens 2 and the second lens 5.

Specifically, in this embodiment, different first lenses 2 are mounted on the first frame 1, and then the second lens 5 and the different first lenses 2 are combined by using the cooperation of the first frame 1 and the second frame 7, so as to realize different filter functions.

In this embodiment, the first frame 1 and the second frame 7 are not changed, and the first lens 2 on the first frame 1 is replaced, so that the second lens 5 is matched with a different first lens 2.

Alternatively, in this embodiment, different first lenses 2 are mounted on different first frames 1, and the different first frames 1 are matched with the second frame 7 to realize the combination of the second lens 5 and the different first lenses 2, thereby realizing different filter functions.

In this embodiment, the second frame 7 is not changed, the first lens 2 on the first frame 1 is not changed, and the second frame 7 is matched with a different first frame 1, so that the second lens 5 is matched with a different first lens 2.

Specifically, in the present embodiment, the first lens 2 is disposed on the first frame 1 by the mounting structure, and the second lens 5 is disposed on the second frame 7 by the mounting structure.

The installation structure can be clamped, pressed and the like, so long as the first lens 2 can be installed on the first frame body 1, and the second lens 5 can be installed on the second frame body.

Specifically, in this embodiment, the mounting structure is a press-fit structure, and more specifically, includes a clamping ring.

In this embodiment, the first frame 1 is connected to the second connection structure on the second frame 7 through the first connection structure, so as to detachably connect the first frame 1 and the second frame 7, and further, the first lens 2 and the second lens 5 are oppositely disposed, so as to achieve corresponding functions thereof.

In an alternative embodiment, a rotational positioning structure is provided between the first frame 1 and the second frame 7 for adjusting different matching angles between the first lens 2 and the second lens 5 by adjusting different positioning angles.

When installing first lens 2 and second lens 5 on first framework 1 and the second framework 7 respectively, the matching angle of first lens 2 and second lens 5 is different, and the effect that probably brings is also different, and then can make the filter realize different functions.

More specifically, in the present embodiment, the first frame 1 is provided with the first lens 2, which is pressed against the first frame 1 by the upper pressing ring 3, and the second frame 7 is provided with the second lens 5, which is pressed against the second frame 7 by the lower pressing ring 4, and the first lens 2 is pressed against the second frame 1.

In order to make the adjustment of the filter function easier, a rotational positioning structure is arranged between the first frame 1 and the second frame 7, and the relative positioning position between the first frame 1 and the second frame 7 can only be the position limited by the rotational positioning structure through the rotational positioning structure, and the position can realize the corresponding function of the filter.

Specifically, in this embodiment, the positioning position of the rotation positioning structure for the rotation angle between the first frame 1 and the second frame 7 may be one, or may be multiple, that is, the first frame 1 and the second frame 7 are matched to realize the function of one filter, or the rotation structure may realize multiple different functions of the filter.

In the present embodiment, the adjustment range of the rotational positioning structure for the matching angle between the first lens 2 and the second lens 5 is 0-90 °.

It should be noted that the adjustment range of the matching angle between the first lens 2 and the second lens 5 may be between 0 to 90 °, but it is not limited to this range, and it may be more than 90 °, as long as the desired filter function can be achieved by the cooperation of the first lens 2 and the second lens 5.

In an alternative embodiment, the first lens 2 is a reduction lens, a polarizing lens, or a soft lens; the second lens 5 is a light-reducing lens, a polarizing lens or a soft lens.

By combining different first lenses 2 and different second lenses 5, different filter functions can be achieved.

It should be noted that the first lens 2 may be any of the above lenses, but is not limited to the above lenses, and may be any other lens as long as it is required for the filter function.

Similarly, the second lens 5 may be any of the above lenses, and is not limited to only the above lenses, as long as the functions required by the filter can be achieved.

In an alternative embodiment, as shown in fig. 2, fig. 3, fig. 4 and fig. 5, the rotational positioning structure includes a positioning member 6, a first positioning groove 10 is disposed on the first frame 1, a second positioning groove is disposed on the second frame 7, and two ends of the positioning member 6 are respectively disposed in the first positioning groove 10 and the second positioning groove; the positioning member 6 is made of elastic material.

Specifically, in this embodiment, at least one first positioning groove 10 is disposed on the first frame 1, one positioning element 6 is disposed on the second frame 7, and by rotating the first frame 1 or the second frame 7, the first frame 1 and the second frame 7 can rotate relatively, and after the extending portion of the positioning element 6 enters any one of the first positioning grooves 10, when the first frame 1 and the second frame 7 rotate relatively, the elastic force of the positioning element 6 itself is required, so as to form a preliminary positioning function between the first frame 1 and the second frame 7.

When the function of the filter needs to be replaced, the first frame body 1 or the second frame body 7 is rotated, so that the positioning piece 6 is separated from one of the first positioning grooves 10 and enters the other first positioning groove 10.

In this embodiment, the positioning element 6 is made of an elastic material, and when the positioning element 6 is not matched with the first positioning groove 10, the positioning element can be pressed by the first frame 1 and the second frame 7 to generate compression, so that the first frame 1 and the second frame 7 do not generate axial displacement, and the axial position precision between the first frame 1 and the second frame 7 is ensured; after one end of the positioning element 6 enters the first positioning groove 10, when the first frame body 1 and the second frame body 7 are driven by external force to rotate relatively, when the external force is larger than the elastic force of the positioning element 6, the positioning element 6 can be compressed again, so that the positioning element 6 can be separated from the first positioning groove 10, and the limitation between the positioning element 6 and the first positioning groove 10 is removed.

More specifically, in the present embodiment, in order to facilitate the relative rotation between the first housing 1 and the second housing 7, the positioning member 6 is separated from the first positioning groove 10, and the end of the positioning member 6 inserted into the first positioning groove 10 is provided with an inclined surface at the slide-in side and the slide-out side of the positioning member 6.

In this embodiment, the inclined surface may be a flat surface or an arc surface.

Further, in order to facilitate the sliding in and out of the positioning member 6 in the first positioning slot 10, the sliding in and out direction of the first positioning slot 10 may also be an inclined surface corresponding to the inclined surface on the positioning member 6, and may also be a plane or an arc surface.

Specifically, in the present embodiment, one end of the positioning element 6 inserted into the first positioning groove 10 is a segment, and more specifically, may be a hemisphere.

More specifically, in the present embodiment, the shape of the first positioning groove 10 is a shape corresponding to a spherical segment, i.e., a spherical dimple.

In this embodiment, the connection between the positioning member 6 and the second frame 7 is a fixed connection.

Specifically, the fixing connection may be in various manners, such as bonding, clamping, screwing, bolt fixing connection, and the like, as long as the fixing connection between the positioning element 6 and the second frame 7 can be achieved.

It should be noted that, in the present embodiment, the first positioning groove 10 is provided on the first frame 1, and the positioning member 6 is provided on the second frame 7, but it is also possible that the first positioning groove 10 is provided on the second frame 7, and the positioning member 6 is provided on the first frame 1. That is, it is sufficient that the positioning of the rotation angle between the first housing 1 and the second housing 7 is achieved by the engagement between the positioning member 6 and the first positioning groove 10.

It should be further noted that the first positioning groove 10 may be disposed on an end surface of the first frame 1, or may be disposed on an inner side wall of the first frame 1, and the positioning element 6 may be disposed at a position that can be matched with the position of the first positioning groove 10, so as to achieve a rotation angle positioning function between the first frame 1 and the second frame 7 through cooperation between the positioning element 6 and the first positioning groove 10.

In an alternative embodiment, as shown in fig. 2, 3, 6 and 7, the rotational positioning structure comprises a positioning member 6 and an elastic member 15; a first positioning groove 10 is formed in the first frame body 1, a second positioning groove is formed in the second frame body 7, and two ends of the positioning piece 6 are respectively arranged in the first positioning groove 10 and the second positioning groove; the elastic member 15 is used to apply a force to the positioning member 6 to move toward the first positioning groove 10 or the second positioning groove.

In this embodiment, a certain modification is made to the above embodiment.

Specifically, in this embodiment, a second positioning groove is formed in the second frame 7, and the other end of the positioning member 6 can extend out of the second positioning groove under the action of the elastic member 15 in the second positioning groove formed at one end of the positioning member.

In such an arrangement, the selection of the positioning element 6 can be more flexible, and the positioning element is not limited to the elastic element 15, but may be a rigid element, and the positioning element can move out of the second positioning groove under the action of the elastic element 15, and further when the positioning element 6 corresponds to the first positioning groove 10, the outer end of the positioning element can enter the first positioning groove 10, so as to position the rotation angle between the first frame 1 and the second frame 7.

It should be pointed out that, in this embodiment, the positioning element 6 may be disposed in the second positioning groove, or may be disposed in the first positioning groove 10, and it only needs to be able to extend outward under the action of the elastic element 15, so as to enable the two ends of the positioning element to be disposed in the first positioning groove 10 and the second positioning groove respectively, and finally, the rotation angles of the first frame body 1 and the second frame body 7 are positioned.

In an alternative embodiment, the resilient member 15 is a spring.

Specifically, in the present embodiment, the spring is a compression spring.

The pressure spring sets up the tank bottom at the second constant head tank, and its one end and the tank bottom butt of second constant head tank, the other end and the tip butt of setting element 6.

It should be noted that, in the present embodiment, the elastic member 15 is a spring, but it is not limited to a spring, and it may also be other structures, such as a spring sheet, a spring rope, etc., as long as it has elasticity, and can use the elasticity to provide a certain acting force to the first positioning groove 10 or the second positioning groove for one time for the positioning member 6.

In an alternative embodiment, the spacer 6 is a bead.

It should be noted that the positioning member 6 may be a glass bead, but is not limited to a glass bead, and may have other structures or shapes, such as a rod shape, etc., that is, as long as the positioning of the rotation angle between the first frame 1 and the second frame 7 can be realized by the cooperation of the positioning member 6 and the first positioning groove 10.

In an alternative embodiment, the first connection structure comprises an insert ring 11, and the second connection structure comprises an insert collar 13; the insertion projection ring 13 enables connection of the first connection structure and the second connection structure by inserting the inner ring of the insert ring body 11.

Specifically, in this embodiment, the first connection structure and the second connection structure are connected in an insertion manner, that is, the insertion convex ring 13 on the second frame 7 is inserted into the insertion ring body 11, so that the insertion convex ring 13 and the insertion ring body 11 are inserted together to form a complete filter.

In this embodiment, the first positioning groove 10 may be disposed on the inner wall of the insert ring body 11, and the positioning element 6 is disposed on the outer wall of the insert convex ring 13.

In an alternative embodiment, as shown in fig. 2 and 3, a first baffle 12 is arranged on the inner wall of one end of the embedding ring body 11 away from the first frame body 1; a second baffle plate 14 is arranged at one end of the insertion convex ring 13 far away from the second frame body 7; the first shutter 12 is capable of abutting on the side closer to the first housing 1 and the second shutter 14 is capable of abutting on the side closer to the second housing 7.

In the present embodiment, the connection between the first housing 1 and the second housing 7 is achieved by the connection between the insert ring body 11 and the insert convex ring 13, but the axial position restriction between the first housing 1 and the second housing 7 cannot be achieved only by the insert connection.

To solve the above problem, in the present embodiment, a first baffle 12 is provided on the inner wall of the outer end of the insert ring body 11, and a second baffle 14 is provided on the outer wall of the outer end of the insert ring 13.

The number of the first baffle plates 12 may be one or more, and as long as the first baffle plates are not annular, the second baffle plates 14 can penetrate the first baffle plates 12, so that the insertion convex ring 13 can be normally inserted into the insert ring body 11.

After the insert convex ring 13 is inserted into the insert ring body 11, the first frame body 1 or the second frame body 7 is rotated, the first baffle plate 12 and the second baffle plate 14 rotate relatively, so that the inner side surface of the first baffle plate 12 corresponds to the inner side surface of the second baffle plate 14, the two sides of the first baffle plate 12 are respectively abutted against the second baffle plate 14 and the second frame body 7, and the axial positioning between the first frame body 1 and the second frame body 7 is realized.

In this embodiment, the setting positions of the first baffle 12 and the second baffle 14 are adapted to the setting positions of the first positioning groove 10 and the positioning element 6, so that after the positioning element 6 is prevented from corresponding to the first positioning groove 10, the axial positioning between the first baffle 12 and the second baffle 14 cannot be realized, and the axial positioning and the rotational positioning of the filter are ensured.

In an alternative embodiment, a third connecting structure is provided on a side of the second frame body 7 away from the first frame body 1.

Specifically, through the setting of third connection structure for the filter can be connected with the camera, makes the function of filter can normal use.

The third connecting structure can also be connected with other filters, so that the cooperation of multiple filters is realized, and further more camera functions are realized.

In the present embodiment, the third connection structure includes the magnet 8, and the magnet 8 is provided in the second housing 7, whereby the second housing 7 and the other components are connected by attraction.

In this embodiment, the gasket 9 is provided on the side of the magnet 8 away from the second housing 7, so that the magnet 8 is protected and the sealing property when the second housing 7 is connected to other components is ensured.

It should be supported that, in this embodiment, there are many setting modes of the third connecting structure, and it may be the above-mentioned magnet 8 that adsorbs to connect, and also may set up the third connecting structure as a threaded connecting structure, or set up as protruding shell fragment complex structure etc. that is to say, as long as can realize being connected filter and other parts through the third connecting structure.

The embodiment of the utility model has the beneficial effects that:

the first frame body 1 and the second frame body 7 can be disassembled, stacked and assembled through the first connecting structure and the second connecting structure, when the filter function needs to be replaced, the purpose of adjusting the filter to the required function can be finally achieved through replacing the first frame body 1 with different lenses, and the adjustable function of the camera is increased.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable filter, comprising a first frame and a second frame;

the first lens and the second lens are oppositely arranged.

2. The adjustable filter according to claim 1, wherein a rotational positioning structure is disposed between the first frame and the second frame for adjusting different matching angles between the first lens and the second lens by adjusting different positioning angles.

3. The adjustable filter according to claim 2, wherein the rotational adjustment range of the rotational positioning structure is 0-90 °.

4. The adjustable filter according to claim 2, wherein the rotary positioning structure comprises a positioning member, the first frame body is provided with a first positioning slot, the second frame body is provided with a second positioning slot, and two ends of the positioning member are respectively disposed in the first positioning slot and the second positioning slot.

5. The adjustable filter according to claim 4, wherein the positioning member is an elastic material.

6. The adjustable filter according to claim 2, wherein the rotational positioning structure comprises a positioning member and an elastic member;

7. The adjustable filter of claim 1, wherein the first lens is a reduction lens, a polarizing lens, or a soft lens;

the second lens is a dimming lens, a polarizing lens or a soft lens.

8. The adjustable filter of claim 1, wherein the first connection structure comprises an insert ring body and the second connection structure comprises an insert collar;

9. The adjustable filter of claim 8, wherein a first baffle is disposed on an inner wall of an end of the insert ring body distal from the first frame; a second baffle is arranged at one end, far away from the second frame body, of the insertion convex ring;

10. The adjustable filter of claim 1, wherein a side of the second frame remote from the first frame is provided with a third connection structure.