CN220584528U - Filter assembly and filter system - Google Patents

Abstract

The utility model relates to the technical field of filters and discloses a filter assembly and a filter system. The filter component comprises a lens frame and lenses; the lens is characterized in that a clamping arm is arranged on the lens frame, and the lens is clamped and assembled on the lens frame by the clamping arm. The filter assembly does not need to use a compression ring to press and fix the lenses, the whole filter assembly is simple in structure, the lenses are more convenient to assemble and disassemble, and the component cost and the disassembly and assembly cost of the assembly are low. The filter system comprises a plurality of filter assemblies, the filter assemblies are adopted, the filter assemblies can be assembled and assembled in sequence, the filter systems with multiple functions can be assembled and formed according to the needs, and the filter system is wide in applicability.

Description

Filter assembly and filter system

Technical Field

The utility model relates to the technical field of filters, in particular to a filter component and a filter system.

Background

The filter used on photographic equipment such as cameras, cameras and the like can have the effects of filtering, polarizing, reflecting and the like on light rays according to different functional requirements, so that the light rays entering the lens form imaging with the required effects.

At present, filter components on the market generally include the picture frame and adopt the clamping ring pressfitting to fix the lens on the picture frame, adopt the clamping ring to carry out the assembly of lens not only to increase the cost of subassembly, the clamping ring is high with the assembly requirement of picture frame moreover, and the dismouting is inconvenient, can damage the clamping ring when often needing the dismouting after the equipment, has reduced the equipment convenience of lens.

Disclosure of Invention

The utility model aims to solve the problems of high cost and inconvenient assembly of the prior filter assembly by adopting a compression ring to assemble lenses, and provides a filter assembly. The filter assembly does not need to use a pressing ring to press and fix the lens, the structure of the whole filter assembly is simple, the disassembly and assembly of the lens are more convenient, and the component cost and the disassembly and assembly cost of the assembly are low.

The utility model also aims to provide a filter system. The filter system is provided with a plurality of filter assemblies which are arranged by adopting the structure of the filter assemblies, and the filter assemblies are assembled and assembled in sequence along the front and back, so that the filter system with multiple functions can be assembled and formed according to the requirement.

The aim of the utility model is achieved by the following technical scheme.

A filter assembly comprises a lens frame and lenses; the lens is characterized in that a clamping arm is arranged on the lens frame, and the lens is clamped and assembled on the lens frame by the clamping arm.

As a preferred embodiment of the filter assembly of the present utility model, the lens frame is provided with a lens fitting groove, and the lens is positioned and fitted in the lens fitting groove.

As a further preferred embodiment of the filter assembly of the present utility model, the clip arm includes a first clip arm; the first clamping arm is arranged at the front end of the lens assembly groove and is matched with the groove bottom of the lens assembly groove to clamp the lens.

As a preferred embodiment of the filter assembly of the present utility model, the clamping arm includes a first clamping arm and a second clamping arm disposed in front-back opposition, and the first clamping arm and the second clamping arm cooperate in front-back to clamp the lens.

As a preferred embodiment of the filter assembly of the present utility model, the clip arm is integrally formed with the lens frame.

As a preferred embodiment of the filter assembly of the present utility model, the rear end of the lens frame has an assembly positioning table extending rearward, and the front end of the lens frame has an assembly positioning groove.

As a further preferable embodiment of the filter assembly of the utility model, the assembly positioning table is provided with external threads.

As a further preferable embodiment of the filter assembly of the utility model, the assembly positioning groove is provided with an internal thread.

As a preferred embodiment of the filter assembly of the present utility model, the mirror frame is provided with a magnet.

The filter system comprises a plurality of filter assemblies, wherein the filter assemblies adopt the structure arrangement of any one of the filter assemblies, and the filter assemblies can be assembled and assembled in sequence along the front-back direction.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the filter assembly, the clamping arms are arranged on the lens frame, and the lenses are clamped and assembled on the lens frame through the clamping arms, so that the use of the pressing ring is abandoned, the lenses are not required to be pressed and fixed by the pressing ring, the structure of the whole filter assembly is simplified, the lenses are more convenient to assemble and disassemble, and the component cost and the disassembly cost of the assembly are reduced.

And the magnet can be arranged on the mirror frame, or the screw threads can be arranged at the front end and the rear end of the mirror frame, so that the combined assembly and the use of a plurality of filter components are convenient, and the application range is enlarged.

The filter system provided by the utility model is provided with a plurality of filter assemblies which are arranged by adopting the structure of the filter assemblies, and the filter assemblies can be assembled and assembled sequentially along the front and back in a magnetic attraction or screw connection mode, so that the filter system with multiple functions can be assembled according to the needs, and the applicability is wide.

Drawings

FIG. 1 is a schematic diagram of an assembly structure of a filter assembly according to the present utility model in an embodiment;

FIG. 2 is a schematic front view of a filter assembly according to the present utility model in an embodiment;

FIG. 3 is a schematic cross-sectional view taken along the direction A-A in FIG. 2;

FIG. 4 is an enlarged schematic view of the portion B in FIG. 3;

FIG. 5 is a schematic cross-sectional view of a frame;

FIG. 6 is an enlarged schematic view of the portion C in FIG. 5;

FIG. 7 is a schematic cross-sectional view of a filter system of the present utility model in an exemplary embodiment;

fig. 8 is an enlarged schematic view of a portion D in fig. 7;

FIG. 9 is a schematic diagram of an assembly structure of a filter system and a camera according to an embodiment.

The drawings are marked: 100-filter components, 1-mirror frames, 101-light holes, 102-lens assembly grooves, 103-assembly positioning tables, 1031-external threads, 104-assembly positioning grooves, 1041-internal threads, 105-clamp arms, 2-lenses, 100 a-first filter components, 100 b-second filter components and 200-cameras.

Detailed Description

The technical scheme of the present utility model is described in further detail below with reference to specific examples and drawings, but the scope and embodiments of the present utility model are not limited thereto.

In the description of the specific embodiments, it should be noted that, directions or positional relationships indicated by terms such as "front", "rear", "inner", "outer", "axial", "circumferential", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, and terms such as "first", "second", etc., are merely for convenience in describing the present utility model and for simplifying the description, rather than indicating or implying that the structure or element being referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model, nor should it be construed as indicating or implying relative importance.

Unless specifically stated or limited otherwise, the terms "mounted," "configured," "connected," "secured," and the like should be construed broadly and may be fixedly connected, detachably connected, or integrated; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In addition, the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

The filter assembly 100 of the utility model can be applied to lenses such as camera lenses, unmanned aerial vehicle lenses, mobile phone lenses, monitoring cameras and the like, and is assembled with the corresponding lenses for use to filter light entering the lenses and improve imaging effect.

Specifically, referring to fig. 1 to 4, the filter assembly 100 includes a frame 1 and a lens 2. The frame 1 may be a metal frame, including an aluminum frame, etc., and the shape of the frame 1 may be an annular frame or a square frame. The lens 2 has a filter function, and the lens 2 is assembled on the lens frame 1 to filter transmitted light. The lens 2 may be a glass sheet or a resin lens according to the material selection, the lens 2 may be a filter, a polarizing filter or a reflecting filter according to the filtering function, and the lens 2 may be designed to be round or square according to the requirement.

As shown in fig. 5 and 6, the lens frame 1 has a light hole 101 penetrating through the lens frame 1, and the lens 2 is specifically mounted on the light hole 101. Further, a clip arm 105 is provided on the frame 1, and the clip arm 105 clamps the lens 2 to the light hole 101 of the frame 1, thereby holding the lens 2 in a fixed state.

In a preferred embodiment, the lens mounting groove 102 is formed on the lens frame 1, the lens mounting groove 102 is specifically a stepped structure formed by opening an inner wall of the middle portion of the light hole 101 from front to back, the bottom portion of the lens mounting groove 102 forms a supporting plane, and the lens 2 is supported and positioned on the lens mounting groove 102 by the bottom portion of the groove.

Further, the clamp arm 105 includes a first clamp arm. Further, the first clamp arm is specifically provided at the front end of the lens fitting groove 102, and clamps the lens 2 in cooperation with the groove bottom of the lens fitting groove 102. In some preferred embodiments, the first clip arm has an extension protruding toward the center of the light transmitting hole 101, which may be specifically a structure annularly disposed along the top circumference of the lens fitting groove 102 and bent toward the lens fitting groove 102. Of course, in other preferred embodiments, the first clip arm may also be a structure that is disposed at a portion on the top periphery of the lens fitting groove 102 and bendable toward the lens fitting groove 102, and has an extension length protruding toward the center of the light transmitting hole 101. The first clamping arm may be an integral extending structure of the mirror frame 1, and if the mirror frame 1 is a metal frame, the first clamping arm may be a metal extending structure and have flexibility. Furthermore, the length of the first clamping arm extending towards the center of the light transmission hole 101 can be set as required, in particular without affecting the use of the lens 2 while ensuring the clamping action on the lens 2.

When assembling the lens 2 on the lens frame 1, the first clamping arm is bent towards the outer side of the lens assembling groove 102 before assembling to avoid interference to the assembling of the lens 2, then the lens 2 is assembled onto the lens assembling groove 102 of the lens frame 1 from front to back, and then the first clamping arm is bent towards the inner side of the lens assembling groove 102 to fix the lens 2 in the front and back direction.

In another preferred embodiment, the clamping arm 105 may include a first clamping arm and a second clamping arm disposed opposite to each other, the first clamping arm and the second clamping arm being disposed in the light hole 101, and the lens 2 being clamped and fixed by the first clamping arm and the second clamping arm being engaged front and back. In some preferred embodiments, the first clip arm and the second clip arm have an extension protruding toward the center of the light-transmitting hole 101, and may be annular bending structures provided on the inner wall of the light-transmitting hole 101 of the lens frame 1. Of course, in other preferred embodiments, the first clip arm and the second clip arm may also be bending structures disposed along an annular subsection of the light hole 101 on the inner wall of the light hole 101 of the lens frame 1, and have an extension length protruding toward the center of the light hole 101. The first clamping arm and the second clamping arm can be integrated extension structures of the glasses frame 1, and can be metal extension structures with flexibility when the glasses frame 1 is a metal frame; and the lengths of the first clamping arms and the second clamping arms extending towards the center of the light hole 101 can be set according to the needs, and particularly the clamping effect on the lens 2 is ensured while the use of the lens 2 is not affected.

When assembling the lens 2 on the lens frame 1, the first clamping arm or the second clamping arm is opened outwards before assembling, or the first clamping arm and the second clamping arm are both opened outwards; the lens 2 is then assembled between the first clamping arm or the second clamping arm from front to back or from right to back to front, and the first clamping arm and the second clamping arm are bent inwards towards each other to clamp and fix the lens 2.

In another preferred embodiment, referring again to fig. 3 to 6, the rear end of the lens frame 1 has a rearwardly extending protruding assembly positioning table 103, and the assembly positioning table 103 can be positioned and assembled with a positioning slot on an applied lens or a positioning slot on another combined filter assembly to realize positioning and assembly of the filter assembly 100.

In another preferred embodiment, referring to fig. 3 to 6 again, the front end of the frame 1 has an assembling positioning slot 104, the assembling positioning slot 104 may be specifically a front end portion of the light hole 101, and the assembling positioning slot 104 is specifically located at the front end of the clamping arm 105. Further, the assembly positioning groove 104 and the assembly positioning table 103 are mutually matched, when the plurality of filter assemblies 100 are assembled along the front and back directions, the assembly positioning table 103 of the front filter assembly 100 can be positioned and assembled in the assembly positioning groove 104 of the rear filter assembly 100, so that the combined use of the plurality of filter assemblies 100 is realized, and the application range is enlarged.

Example two

As shown in fig. 3 to 6, the filter assembly 100 of the present embodiment is provided with external threads 1031 on the assembly positioning table 103, so that the filter assembly 100 can be assembled with a corresponding lens in a screwed manner when in use, or can be assembled with other filter assemblies 100 in a screwed manner when combined with each other.

In a further preferred embodiment, referring to fig. 3 to 6, the assembly positioning groove 104 is provided with an internal thread 1041, and the internal thread 1041 is specifically adapted to the external thread 1031 on the assembly positioning table 103. When the filter assemblies 100 are combined, the assembly positioning table 103 of the front filter assembly 100 can be positioned and assembled in the assembly positioning groove 104 of the rear filter assembly 100, and the frame 1 of the front filter assembly 100 is stably connected with the frame 1 of the rear filter assembly 100 through the screw connection of the external screw 1031 and the internal screw 1041, so that the combination stability of the filter assemblies 100 is improved.

Example III

The filter assembly 100 of this embodiment is similar to the first embodiment or the second embodiment, and further, in the filter assembly 100 of this embodiment, the magnet is provided on the lens frame 1. When a plurality of filter components 100 are combined for use, the assembly can be realized through the magnetic attraction effect of the corresponding magnets between the lens frame 1 of the front filter component 100 and the lens frame 1 of the rear filter component 100, so that the assembly and the disassembly of the combination of the filter components 100 are facilitated, and the stability of the assembly and the use is improved.

In a preferred embodiment, the mirror frame 1 may be provided with a magnet assembly groove, and the magnet is embedded in the magnet assembly groove; alternatively, the magnets may be fixed to the lens frame 1 by adhesion or the like.

In another preferred embodiment, the type and distribution of the magnets may be set as required, and the magnets disposed on the lens frame 1 may be specifically a single ring magnet or square magnet, and are disposed along the circumference of the light hole 101 of the lens frame 1. Alternatively, the magnets may be plural, and the plural magnets may be distributed along the circumferential direction of the light-transmitting hole 101 of the mirror frame 1.

Example IV

Referring to fig. 7 and 8, the filter system of the present utility model includes a plurality of filter assemblies 100, and may specifically be a combination of one or more filter assemblies 100. The filter assemblies 100 of any one of the first to third embodiments are configured as the filter assembly 100.

The filter assemblies 100 can be assembled and assembled in sequence along the front and rear, specifically, after the front and rear filter assemblies 100 are positioned by the assembly positioning groove 104 and the assembly positioning table 103, the front and rear filter assemblies can be further fixed by the screwing action of the external thread 1031 and the internal thread 1041; in addition, the front and rear filter assemblies 100 can be positioned and assembled between the lens frames 1 by the magnetic attraction of the magnets arranged on the lens frames 1.

In the particular embodiment shown, the filter system is comprised of a combination of a first filter assembly 100a and a second filter assembly 100b that are identically configured. And the assembly positioning table 103 at the rear end of the second filter assembly 100b is positioned and assembled with the assembly positioning groove 104 at the front end of the first filter assembly 100a, and is assembled in a front-rear connection manner through the screwing action of the external thread 1031 and the internal thread 1041.

In the preferred embodiment, in the filter system formed by combining the plurality of filter assemblies 100, the types of the lenses 2 of each filter assembly 100 may be specifically and independently selected according to the needs, for example, the lenses 2 of the plurality of filter assemblies 100 may be identical filters or may be different filters, so that the plurality of filter assemblies 100 may be combined according to the needs to form a filter system with multiple functions, which has wider applicability.

When the filter system is applied to a lens such as a camera lens, an unmanned aerial vehicle lens, a mobile phone lens, a monitoring camera lens, etc., for example, the filter system is assembled at the front end of the lens of the camera 200 as shown in fig. 9. When the single filter assembly 100 is used, the assembly positioning table 103 at the rear end of the lens frame 1 is positioned and extends into the front end of the lens, and is in threaded connection with the internal thread at the front end of the lens through the external thread 1031, so that the filter assembly 100 is fixedly installed; when the filter assemblies 100 are combined, the filter assemblies 100 positioned at the front and the rear are sequentially screwed/magnetically attracted and assembled at the front end of the filter assembly 100 at the rear end, and the assembly positioning table 103 at the rear end of the lens frame 1 of the filter assembly 100 at the rear end is positioned and extends into the front end of the lens and is screwed with the internal thread of the front end of the lens through the external thread 1031, so that the whole filter system is fixedly assembled on the lens.

The above embodiments are merely preferred embodiments of the present utility model and only the technical solutions of the present utility model have been described in further detail, but the above description is illustrative, not exhaustive, and is not limited to the disclosed embodiments, the scope and implementation of the present utility model are not limited thereto, and any changes, combinations, deletions, substitutions or modifications made without departing from the spirit and principles of the present utility model are included in the scope of the present utility model.

Claims (10)

1. A filter assembly, comprising a frame and a lens; the lens is characterized in that a clamping arm is arranged on the lens frame, and the lens is clamped and assembled on the lens frame by the clamping arm.

2. The filter assembly of claim 1, wherein the frame defines a lens-receiving channel, and wherein the lens is positioned and mounted in the lens-receiving channel.

3. The filter assembly of claim 2, wherein the clamp arm comprises a first clamp arm; the first clamping arm is arranged at the front end of the lens assembly groove and is matched with the groove bottom of the lens assembly groove to clamp the lens.

4. The filter assembly of claim 1, wherein the clamp arm comprises a first clamp arm and a second clamp arm disposed in front-to-back opposition, the first clamp arm and the second clamp arm being adapted to clamp the lens in front-to-back engagement.

5. The filter assembly of claim 1, wherein the clip arm is of unitary construction with the frame.

6. The filter assembly of claim 1, wherein the rear end of the frame has a rearwardly extending protruding assembly detent and the front end of the frame has an assembly detent.

7. The filter assembly of claim 6, wherein the assembly positioning table is provided with external threads.

8. The filter assembly of claim 6, wherein the assembly detent is provided with internal threads.

9. The filter assembly of claim 1, wherein the mirror frame is provided with magnets.

10. A filter system, comprising a plurality of filter assemblies, wherein the filter assemblies are arranged by adopting the structure of the filter assemblies according to any one of claims 1 to 9, and the filter assemblies can be assembled and assembled in sequence along the front-back direction.