CN212623525U - Just, dress formula filter support and filter subassembly - Google Patents

Just, dress formula filter support and filter subassembly Download PDF

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Publication number
CN212623525U
CN212623525U CN202021804066.3U CN202021804066U CN212623525U CN 212623525 U CN212623525 U CN 212623525U CN 202021804066 U CN202021804066 U CN 202021804066U CN 212623525 U CN212623525 U CN 212623525U
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China
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filter
hole
square
lens
ring
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CN202021804066.3U
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Chinese (zh)
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寸力宏
杨柳
张卫良
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Huizhou Bright Shadow Technology Co ltd
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Huizhou Bright Shadow Technology Co ltd
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Abstract

The utility model discloses a just, adorn formula filter support and filter subassembly. The filter support comprises a main frame body and a switching fixing ring, wherein a circular filter can be loaded on the switching fixing ring; the switching fixing ring is pressed and fixedly arranged on the filter mounting through hole by matching the boss and the knob locking assembly, so that the switching fixing ring is convenient to disassemble and assemble, and the circular filter cannot be extruded in the radial direction; meanwhile, the circular filter can be driven to rotate through the driving gear after being loaded, and the circular filter can be adjusted in real time. In addition, the whole filter support is connected and installed with the lens in a threaded connection mode based on the switching fixing ring, and the assembly is convenient, rapid and stable. And the front end of the main frame body is provided with a square filter lens slot, so that the circular filter lens and the square filter lens can be used simultaneously or one filter lens can be used independently. The utility model discloses a filter assembly is based on just, dress formula filter support, in the use of circular filter and square filter lens piece, the dismouting replacement convenience of circular filter and square filter lens piece.

Description

Just, dress formula filter support and filter subassembly
Technical Field
The utility model relates to a photographic goods technical field, concretely relates to just, adorn formula filter support and filter subassembly.
Background
In the shooting process, because of the problems of light brightness and the like in different environments, in order to achieve a better shooting effect, the ultraviolet light and the like are intercepted to different degrees by adopting a filter. The filter is not a part of the camera, and is a part which needs to be additionally installed, the filter support is a support designed for installing the filter in the shooting process, and the filter support is installed in front of the lens, so that the shooting effect is better, and the effect of protecting the lens can be achieved.
Although most of filter holders on the market can simultaneously use a circular filter (i.e., a polarizer) and a square filter, and the convenience is improved, there are still many inconveniences when using the filter holders. Firstly, circular filters of a plurality of filter supports on the market are mounted on the supports in a mode that the edges of the circular filters are pressed by screws, and the screws need to be loosened and tightened in the dismounting process, so that the dismounting is complicated; in addition, the circular filter is easily damaged or deformed by pressing with screws. Secondly, after a plurality of filter supports on the market are installed on a circular filter, the circular filter cannot be adjusted in real time, the circular filter needs to be disassembled and then the assembly angle needs to be adjusted again, and the use and the adjustment are extremely inconvenient; even some can realize the regulation of circular filter, all adopt sliding friction to adjust, the friction is big during the rotation, and rotatory regulation is smooth and smooth, and adjusts the disequilibrium. In addition, can realize on the present market that square filter lens piece and circular filter lens used simultaneously filter lens support on can be provided with a plurality of draw-in grooves to load square filter lens piece, nevertheless using the square in-process of filtering the lens piece of grafting, lead to square filter lens piece and draw-in groove to take place wearing and tearing and the condition of leaving the fingerprint on the lens easily, be unfavorable for improving photographic effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a just, adorn formula filter support to the defect or not enough that exist among the prior art. The conveniently-installed filter support can realize the simultaneous use of a circular filter and a square filter, or the independent use of one of the circular filter and the square filter; the round filter can be conveniently installed, the round filter cannot be damaged, and the round filter is convenient and efficient to adjust after being loaded; and the whole filter support is connected and installed with the lens in a threaded connection mode, and the assembly is convenient and quick.
An object of the utility model is also to provide a just, adorn formula filter assembly. This filter assembly is based on just adorn formula filter support, in the use when circular filter and square filter lens, the dismouting replacement of circular filter and square filter lens is convenient to can carry out convenient, efficient regulation to circular filter, the dismouting of square filter lens is difficult for impairedly and receives the pollution.
The purpose of the utility model is realized through the following technical scheme.
A convenient filter support comprises a main frame body and a switching fixing ring;
the main frame body is provided with a filter mounting through hole; a boss protruding towards the center is arranged on the edge of the rear end of the filter mounting through hole, and a knob locking assembly is arranged on one side, opposite to the boss, of the edge of the rear end of the filter mounting through hole; the lug boss is matched with the knob locking assembly, and the switching fixing ring is detachably pressed and locked on the filter mounting through hole along the axial direction of the through hole;
the rear end of the switching fixing ring is provided with an external thread part I which can be used for being in threaded connection with a lens; and the switching fixing ring can be loaded with a circular filter;
the main frame body is provided with a square filter inserting slot at the front end of the filter mounting through hole, and the square filter can be inserted and loaded.
In a preferred embodiment, the knob lock assembly includes a swivel nut with a locking bolt and a swivel screw;
the rotary screw is fixed on the main frame body in a threaded manner and is positioned at the edge of the filter mounting through hole; the rotary nut is sleeved on the rotary screw in a threaded manner, and when the lock tongue rotates into the filter mounting through hole and is pressed and locked by the switching fixing ring, the rotary nut is screwed and locked with the rotary screw.
In a more preferable embodiment, a lock tongue rotation accommodating groove is formed in the edge of the main frame body, which is positioned at the filter mounting through hole; the lock tongue rotation accommodating groove is tangent to the edge of the filter mounting through hole and communicated with the filter mounting through hole, and an unlocking accommodating position is arranged at one end along the tangential axial direction; the spring bolt is in the rotatory holding tank of spring bolt can be by being located in the filter mounting through-hole extremely the rotatory switching between each other of unblock holding position.
In a preferred embodiment, the square filter slots are symmetrically arranged in pairs left and right, and the number of the square filter slots is more than one pair.
In a more preferred embodiment, the device further comprises a size conversion adapter ring; the size of the light through hole on the size conversion adapter ring is different from that of the light through hole on the adapter fixing ring; the front end of the size conversion adapter ring can be in threaded connection with an external thread part I of the adapter fixing ring; the rear end of the size conversion adapter ring is provided with an external thread part II which can be used for being in threaded connection with the lens.
In a preferred embodiment, the adapter fixing ring is provided with a rotating ring for loading a circular filter, and the rotating ring can freely rotate relative to the adapter fixing ring.
In a more preferred embodiment, the rotating ring has annular teeth on its front end outer circumference; the side of the main frame body is provided with a driving gear meshed with the peripheral annular teeth of the rotating ring, and the rotating ring can be driven to rotate.
In a more preferred embodiment, the apparatus further comprises a pressing ring for engaging with the rotating ring and press-fitting the circular filter onto the rotating ring.
In a further preferred embodiment, the driving gears include two, and the two driving gears are arranged in bilateral symmetry.
A conveniently-installed filter assembly is based on any one of the conveniently-installed filter supports, and square filters are inserted into the square filter inserting grooves; and/or the circular filter is loaded on the switching fixing ring.
In a preferred embodiment, the square filter comprises a square filter frame and a square filter lens; a filter lens mounting groove is formed in the square filter lens frame; the square filter lens is arranged in the filter lens mounting groove and is pressed and fixed by a pressing sheet; the square filter mirror frame is inserted in the square filter mirror slot.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
the utility model discloses an among the filter support, the solid fixed ring of switching compresses tightly fixed mounting on filter installation through-hole by boss and knob locking component cooperation, and the lock that drives spring bolt rotation on it through the swivel nut among the rotatory knob locking component can realize the solid fixed ring of switching locking and loosen to the solid fixed ring's of convenient switching dismouting. The circular filter can be mounted on the switching fixing ring, so that the circular filter is convenient and quick to mount and dismount; and, can not cause radial ascending extrusion damage or deformation to circular filter with boss and knob locking Assembly complex locking fixed mounting mode to effectively guarantee the result of use and the life of circular filter.
And the rear end of the switching fixing ring is provided with an external thread part which is in threaded connection with the lens, so that the integral filter support is connected and installed with the lens in a threaded connection mode, and the assembly is convenient, rapid and stable.
Simultaneously, when the loading of circular filter, install rotatory ring group spare circular filter installation component additional on the solid fixed ring of switching, circular filter loads on the rotatory ring of circular filter installation component, rotatory ring's periphery has annular tooth, and the side of the body frame body is equipped with the drive gear with rotatory ring's peripheral annular tooth meshing, can order about rotatory ring rotation in order to drive circular filter smoothly rotatory to can realize real-time regulation after the installation of circular filter, it is convenient, high-efficient to adjust. Moreover, the two driving gears are symmetrically arranged, so that the two sides can be conveniently adjusted, and the balance is good.
In addition, be provided with square filter insert groove at the front end of the body frame body, the solid fixed ring of switching can be installed with the direct spiro union of camera lens moreover to can realize using when circular filter and square filter plate, perhaps circular filter and square filter plate's an exclusive use.
The utility model discloses a filter assembly uses when circular filter and square filter plate, perhaps in the alternative exclusive use in-process of circular filter and square filter plate, the dismouting replacement of circular filter and square filter plate is convenient to can carry out convenient, efficient regulation to circular filter. Moreover, the square filter lens is pressed and fixed on the square filter lens frame by the pressing sheet and then is inserted into the square filter lens slot, so that the installation is convenient, and the damage and the pollution to the square filter lens in the insertion process can be reduced.
Drawings
FIG. 1 is a schematic front view of a filter holder of the present invention in an embodiment;
FIG. 2 is a schematic view of a back side structure of a filter holder of the present invention;
FIG. 3 is a schematic cross-sectional view taken along A-A of FIG. 1;
FIG. 4 is a schematic structural view of the circular filter mounting assembly not being press-fitted and locked;
FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is an enlarged view of portion b of FIG. 4;
FIG. 7 is a schematic view of the circular filter mounting assembly after being press-fit and locked;
FIG. 8 is a schematic cross-sectional view taken along the line C-C in FIG. 7;
FIG. 9 is an enlarged view of portion c of FIG. 7;
FIG. 10 is a schematic view of the circular filter mounting assembly after assembly of the circular filter;
FIG. 11 is a schematic cross-sectional view taken along line D-D of FIG. 10;
FIG. 12 is a schematic view of the circular filter mounting assembly assembled with a circular filter;
FIG. 13 is a schematic view of an overall assembly structure of the main adaptor ring of the filter holder of the present invention;
FIGS. 14 and 15 are schematic views of the overall assembly structure of the easy-to-mount filter holder with the size-changing adapter ring
FIG. 16 is a schematic front view of a ready-to-mount filter assembly according to an embodiment of the present invention;
FIG. 17 is a schematic back view of a ready-to-mount filter assembly according to an embodiment of the present invention;
FIG. 18 is a schematic view of the easy-to-mount filter assembly according to the present invention;
FIG. 19 is a schematic view of a square filter;
FIG. 20 is a schematic view of an assembled structure of a square filter;
FIG. 21 is a schematic view of the easy-to-mount filter assembly mounted on the camera lens;
the attached drawings are marked as follows: 1-main frame, 10-filter mounting through hole, 101-boss, 102-square filter slot, 103-bolt rotation receiving groove, 1030-unlocking receiving position, 2-round filter mounting component, 201-switching fixing ring, 2010-external thread part I, 202-rotating ring, 2020-ring tooth, 203-pressing ring, 3-knob locking component, 301-rotating nut, 3010-bolt, 302-rotating screw, 4-main switching ring, 40-external thread part II, 5-size change switching ring, 50-external thread part III, 6-round filter, 7-driving gear, 8-square filter, 801-square filter frame, 8010-filter mounting groove, 802-square filter, 803-pressing piece, 81-square filter I, 82-square filter II, 100-camera, 200-lens, 300-filter component.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto. In the description of the specific embodiments, it should be noted that the terms "left", "right", "front", "back", 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 are usually placed when the products of the present invention are used, and are used only for distinguishing the description, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures or elements that are referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, should not be interpreted as limiting the present invention, nor should be interpreted as indicating or implying relative importance.
Example 1
The easy-to-mount filter holder according to the present embodiment, as shown in fig. 1 to 3, includes a main frame 1 and a circular filter mounting assembly 2. When the novel camera lens is used, the light incident surface is used as the front end, the circular filter mounting assembly 2 is mounted on the main frame body 1, the circular filter is mounted on the circular filter mounting assembly 2, the rear end of the whole filter support is assembled with the front end of the camera lens, and the circular filter and the lens light through hole are concentric.
Wherein, filter installation through-hole 10 has been seted up on the body frame body 1, circular filter installation component 2 can follow the rear end and to the front end adaptation chucking in filter installation through-hole 10, and the card goes into the rear end face edge of the interior circular filter installation component 2 of back of filter installation through-hole 10 and the rear end face of filter installation through-hole 10 keeps the parallel and level. Moreover, a boss 101 protruding toward the center is provided on the rear end edge of the filter mounting through hole 10, and a knob lock assembly 3 is provided on the rear end edge of the filter mounting through hole 10 on the side opposite to the boss 101.
In the installation of circular filter installation component 2 in-process, circular filter installation component 2 card is gone into in filter installation through-hole 10 and is carried out the chucking by boss 101 to circular filter installation component 2's one end promptly, then twist rotatory locking Assembly 3 and carry out the chucking to circular filter installation component 2's the other end, cooperate by boss 101 and knob locking Assembly 3, install circular filter installation component 2 on filter installation through-hole 10 along through-hole axial detachably pressfitting locking, make circular filter installation component 2 along the installation in filter installation through-hole 10 of through-hole axial stability, and can conveniently carry out the dismouting to circular filter installation component 2. And, carry out the installation of circular filter installation component 2 with boss 101 and rotatory locking Assembly 3's pressfitting locking mode, can not cause radial ascending extrusion damage or deformation to circular filter to effectively guarantee the result of use and the life of circular filter.
In a preferred embodiment, there are two bosses 101, and an included angle between a connecting line between the two bosses 101 and the knob locking assembly 3 is an acute angle. Thereby, guarantee the effective chucking installation to circular filter installation component 2, ensure installation stability.
Referring to fig. 4 to 9, the knob lock assembly 3 may alternatively include a rotating nut 301 having a locking tongue 3010 and a rotating screw 302. Wherein, the rotating screw 302 is fixed on the main frame body 1 in a screw joint way and is positioned at the edge of the filter installation through hole 10; and the rotating nut 301 is screwed and sleeved on the rotating screw 302, and when the bolt 3010 rotates into the filter mounting through hole 10 and is pressed and locked on the circular filter mounting assembly 2, the rotating nut 301 is screwed and locked with the rotating screw 302.
Specifically, a bolt rotation accommodating groove 103 is formed in the main frame 1 at the edge of the filter mounting through hole 10. The bolt rotation accommodating groove 103 is tangent to the edge of the filter mounting through hole 10 and communicated with the filter mounting through hole 10, and an unlocking accommodating position 1030 is arranged at one end along the tangent axial direction. The rotating screw 302 is fixed on one side of the bolt rotating accommodating groove 103 far away from the unlocking accommodating position 1030 in a threaded manner, and the rotating nut 301 is sleeved on the rotating screw 302 in a threaded manner. During the assembly, swivel nut 301 and swivel screw 302 accomplish the spiro union cooperation in advance, make swivel nut 301's spring bolt 3010 enter into in the rotatory holding tank 103 of spring bolt in advance, make spring bolt 3010 can revolve in the rotatory holding tank 103 of spring bolt extremely the pressfitting locking in filter installation through-hole 10 circular filter installation component 2, and unscrew the outer rotatory switching of filter installation through-hole 10.
In the working process, when the bolt 3010 is not rotated to lock the circular filter mounting assembly 2, the rotating nut 301 and the rotating screw 302 are not fastened and screwed and matched, and the bolt 3010 of the rotating nut 301 is positioned in the unlocking accommodating position 1030; when the bolt 3010 rotates into the filter mounting through hole 10 and presses and locks the circular filter mounting assembly 2, the rotating nut 301 is tightly screwed and matched with the rotating screw 302, so that the circular filter mounting assembly 2 is locked, and the axial shaking of the through hole is avoided. So, spring bolt 3010 can be carried out by in filter installation through-hole 10 to the unblock hold position 1030 not more than 120 each other lock with the rotatory switching of unblock in the rotatory holding tank 1030 of spring bolt to the dismouting to circular filter installation component 2 is convenient, and then make the easy dismounting, the swift of circular filter.
Preferably, the circular filter mounting assembly 2 includes a rotating ring 202 for carrying the circular filter 6. And the rotating ring 202 can freely rotate relative to the filter mounting through hole 10, so that after the circular filter 6 is mounted on the filter mounting through hole 10 along with the circular filter mounting assembly 2, the circular filter 6 can be rotationally adjusted by driving the rotating ring 202, and the adjustment of the circular filter 6 after being loaded is realized.
Referring to fig. 10 to 12, in the present embodiment, the circular filter mounting assembly 2 may alternatively include an adaptor fixing ring 201, a rotating ring 202, and a pressing ring 203.
When the circular filter installation component 2 is installed on the filter installation through hole 10, the rear end edge of the switching fixing ring 201 is locked and fixed by the matching of the boss 101 and the knob locking component 3, so that the whole circular filter installation component 2 is stably installed on the filter installation through hole 10.
Further, the front end of the adaptor fixing ring 201 has an inner guide groove, and the rear end of the rotating ring 202 has an outer guide ridge fitted with the front end inner guide groove of the adaptor fixing ring 201, through which the rear end of the rotating ring 202 is freely rotatably fitted with the front end of the adaptor fixing ring 201. The press ring 203 is used for matching with the rotating ring 202 and pressing and loading the circular filter 6 on the rotating ring 202; and an annular tooth 2020 is provided on the outer periphery of the front end of the rotating ring 202.
In addition, optionally, the rear end of the adapter ring 201 is provided with an external thread part I2010 for screwing with the lens. During the use, load circular filter 6 and fixed mounting on the body frame body 1 back at circular filter installation component 2, carry out the spiro union by the external screw thread portion I2010 of the solid fixed ring 201 of switching and camera lens front end, make whole filter support stable mounting at the camera lens front end, use convenient to assemble swift, stable.
Further, a drive gear 7 is rotatably provided on the side of the main frame 1, one end of the drive gear 7 is engaged with the outer circumferential ring gear 2020 of the rotating ring 202, and the other end is exposed outside the main frame 1. Therefore, after the circular filter 6 is assembled on the main frame body 1 along with the circular filter mounting assembly 2, the rotating ring 202 can be driven to rotate by driving the driving gear 7, so that the real-time adjustment of the circular filter 6 can be realized, and the adjustment is convenient and efficient.
Referring to fig. 1 to 3 again, the two driving gears 7 are provided, and the two driving gears 7 are symmetrically arranged from left to right, so that adjustment from two sides is facilitated, and balance is good.
Referring to fig. 1 to 3 again, in an alternative embodiment, a square filter slot 102 is disposed on the main frame 1 at the front end of the filter mounting through hole 10, and a square filter can be inserted into the square filter slot 102, so that a circular filter and a square filter can be used simultaneously, or a circular filter and a square filter can be used separately. Specifically, the square filter insert slot 102 for inserting one square filter includes two slots symmetrically arranged in pairs; preferably, the number of the square filter insertion grooves 102 is one or more pairs in the front-to-rear axial direction, and one or more square filters may be attached at the same time.
Example 2
The filter holder of this example is based on the filter holder of example 1. Referring to fig. 13, alternatively, the circular filter mounting assembly 2 includes only a main adaptor ring 4 (equivalent to the adaptor fixing ring 201) for adaptor-mounting of the filter holder to the camera lens.
The size of a light through hole in the main adapter ring 4 is consistent with that of the filter mounting through hole 10; and the rear end of the main adapter ring 4 is provided with an external thread part II 40 which can be used for being screwed with a lens. When the filter support is assembled on the lens, the external thread part II 40 of the main adapter ring 4 is in threaded connection with the camera lens, so that the whole filter support is stably arranged at the front end of the camera lens for use.
Based on the just-mounted filter support of this embodiment, can realize the exclusive use of square filter.
Example 3
The filter holder of this embodiment is based on the filter holder of embodiment 1 or embodiment 2. Referring to fig. 14 and 15, optionally, a size conversion adapter ring 5 is further included to perform adapter assembly of the filter holder for different sizes of lenses.
The size of the light through hole in the size conversion adapter ring 5 is different from that of the filter mounting through hole 10, specifically, the size of the light through hole in the size conversion adapter ring 5 is smaller than that of the filter mounting through hole 10, and large-to-small conversion can be achieved. The front end of the size conversion adapter ring 5 can be screwed with the external thread part II 40 at the rear end of the main adapter ring 4 or the external thread part I2010 of the adapter fixing ring 201; the rear end of the size conversion adapter ring 5 is provided with an external thread part III 50 which can be used for being screwed with a lens. When the filter support is assembled on the lenses with different sizes, the size conversion adapter ring 5 can be assembled on the external thread part II 40 of the main adapter ring 4 or the external thread part I2010 of the adapter fixing ring 201 in a threaded mode, and then the external thread part III 50 of the size conversion adapter ring 5 is in threaded connection with the camera lens, so that the whole filter support can be stably installed at the front ends of the lenses with different sizes for use.
Example 4
The filter unit of this embodiment is based on the filter holder of embodiment 1, as shown in fig. 16 to 18. Wherein a circular filter 6 is mounted on the rotating ring 202. Optionally, a square filter 8 is inserted into the square filter slot 102, so that the circular filter 6 and the square filter 8 are used simultaneously.
In addition, further optionally, the number of the square filter slots 102 is two, the two pairs of square filter slots 102 are respectively inserted with the square filter i 81 and the square filter ii 82, and the square filter i 81 and the square filter ii 82 which are assembled at the same time are used in cooperation with the circular filter 6.
Referring to fig. 19 and 20, the square filter 8 of the present embodiment preferably includes a square filter frame 801 and a square filter sheet 802. Wherein, a filter lens mounting groove 8010 is arranged on the square filter lens frame 801; the square filter lens 802 is installed in the filter lens installation groove 8010 and is pressed and fixed by the pressing sheet 803, so that the square filter lens is convenient to disassemble and assemble. When the square filter 8 is inserted and connected, the left end and the right end of the square filter frame 801 are slidably inserted and connected into the two square filter slots 102 which are symmetrically arranged in pairs, so that the square filter 802 is convenient to install, and the damage to the square filter 802 and the pollution to fingerprints and the like in the inserting and connecting process can be reduced.
Referring to fig. 21, the filter assembly of the present embodiment is assembled with the lens 200 at the front end of the camera 100 for use, the lens 200 is installed at the front end of the camera 100, the filter assembly 300 is screwed on the lens 200, and the circular filter 6 and the square filter 802 on the filter assembly 300 are both concentric with the light-passing hole of the lens 200.
The above embodiments are merely preferred embodiments of the present invention, and only lie in further detailed description of the technical solutions of the present invention, but the protection scope and the implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, replacements, or modifications that do not depart from the spirit and principle of the present invention will be included in the protection scope of the present invention.

Claims (10)

1. A convenient filter support is characterized by comprising a main frame body and a switching fixing ring;
the main frame body is provided with a filter mounting through hole; a boss protruding towards the center is arranged on the edge of the rear end of the filter mounting through hole, and a knob locking assembly is arranged on one side, opposite to the boss, of the edge of the rear end of the filter mounting through hole; the lug boss is matched with the knob locking assembly, and the switching fixing ring is detachably pressed and locked on the filter mounting through hole along the axial direction of the through hole;
the rear end of the switching fixing ring is provided with an external thread part I which can be used for being in threaded connection with a lens; and the switching fixing ring can be loaded with a circular filter;
the main frame body is provided with a square filter inserting slot at the front end of the filter mounting through hole, and the square filter can be inserted and loaded.
2. The easy-to-mount filter holder of claim 1, wherein the knob lock assembly comprises a swivel nut with a locking tongue and a swivel screw; the rotary screw is fixed on the main frame body in a threaded manner and is positioned at the edge of the filter mounting through hole; the rotary nut is sleeved on the rotary screw in a threaded manner, and when the lock tongue rotates into the filter mounting through hole and is pressed and locked by the switching fixing ring, the rotary nut is screwed and locked with the rotary screw.
3. The filter support frame convenient to mount according to claim 2, wherein a bolt rotation receiving groove is formed in the edge of the main frame body, which is positioned at the filter mounting through hole; the lock tongue rotation accommodating groove is tangent to the edge of the filter mounting through hole and communicated with the filter mounting through hole, and an unlocking accommodating position is arranged at one end along the tangential axial direction; the spring bolt is in the rotatory holding tank of spring bolt can be by being located in the filter mounting through-hole extremely the rotatory switching between each other of unblock holding position.
4. The easy-to-mount filter holder according to claim 1, wherein the square filter insertion grooves are symmetrically arranged in pairs in the left and right direction, and the number of the square filter insertion grooves is more than one pair.
5. The easy-to-mount filter support of claim 1, further comprising a size conversion adapter ring; the size of the light through hole on the size conversion adapter ring is different from that of the light through hole on the adapter fixing ring; the front end of the size conversion adapter ring can be in threaded connection with an external thread part I of the adapter fixing ring; the rear end of the size conversion adapter ring is provided with an external thread part II which can be used for being in threaded connection with the lens.
6. The filter holder according to any one of claims 1 to 5, wherein the adaptor fixing ring is provided with a rotating ring for mounting a circular filter, and the rotating ring is rotatable with respect to the adaptor fixing ring.
7. The filter holder according to claim 6, wherein the rotating ring has a ring-shaped tooth on its front end outer circumference; the side of the main frame body is provided with a driving gear meshed with the peripheral annular teeth of the rotating ring, and the rotating ring can be driven to rotate.
8. The filter holder of claim 7, wherein the driving gears comprise two driving gears, and the two driving gears are arranged in bilateral symmetry.
9. A convenient filter assembly, which is based on the convenient filter support of any one of claims 1 to 8, wherein a square filter is inserted into the square filter inserting groove; and/or the circular filter is loaded on the switching fixing ring.
10. The ready-to-mount filter assembly of claim 9, wherein the square filter includes a square filter frame and a square filter lens; a filter lens mounting groove is formed in the square filter lens frame; the square filter lens is arranged in the filter lens mounting groove and is pressed and fixed by a pressing sheet; the square filter mirror frame is inserted in the square filter mirror slot.
CN202021804066.3U 2020-08-25 2020-08-25 Just, dress formula filter support and filter subassembly Active CN212623525U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022267363A1 (en) * 2021-06-24 2022-12-29 江门市象素光学有限公司 Filter lens mounting holder and filter assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022267363A1 (en) * 2021-06-24 2022-12-29 江门市象素光学有限公司 Filter lens mounting holder and filter assembly

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