WO2021051430A1 - 一种可单独旋转调节滤镜片的镜头滤镜支架 - Google Patents

一种可单独旋转调节滤镜片的镜头滤镜支架 Download PDF

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Publication number
WO2021051430A1
WO2021051430A1 PCT/CN2019/107648 CN2019107648W WO2021051430A1 WO 2021051430 A1 WO2021051430 A1 WO 2021051430A1 CN 2019107648 W CN2019107648 W CN 2019107648W WO 2021051430 A1 WO2021051430 A1 WO 2021051430A1
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WIPO (PCT)
Prior art keywords
filter
lens
ring
mounting frame
hole
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PCT/CN2019/107648
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English (en)
French (fr)
Inventor
袁国奎
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珠海市川富光学技术有限公司
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Publication of WO2021051430A1 publication Critical patent/WO2021051430A1/zh

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

Definitions

  • the invention belongs to the technical field of photographic equipment, and particularly relates to a lens filter holder capable of independently rotating and adjusting the filter lens.
  • the present invention provides a method that can simultaneously rotate and adjust all the filter lenses on the filter holder, and can separately perform the adjustment of the filter lenses of each layer of the filter sub-mounting frame.
  • Rotation adjustment suitable for a wide range of shooting environments, various filter effects, very flexible, convenient, and easy-to-operate lens filter holder.
  • the present invention adopts the following technical solutions:
  • a lens filter holder capable of individually rotating and adjusting filter lenses comprising a lens mount ring and a filter holder, the lens mount ring is rotatably and lockedly arranged on the back of the filter holder, and the front side of the filter holder It includes a coaxial filter lens mounting frame, the filter lens mounting frame includes more than two layers of mutually rotatable filter lens sub-mounting frames, and each layer of the filter lens sub-mounting frame is provided with two spaced oppositely arranged Lens clip.
  • each layer of the filter lens sub-mounting frame includes a ring-shaped bracket and two lens clips, the two lens clips are arranged on the ring-shaped bracket opposite to each other, and the ring shape of the two adjacent layers of the filter lens sub-mounting frame
  • the brackets are rotatably connected to each other.
  • annular brackets of the two adjacent layers of filter lens sub-mounting frames are rotatably connected to each other through a rotating clamping position and a clamping part.
  • a through hole is provided in the middle of the two adjacent layers of the ring support, and the wall of the through hole of the ring support of one layer is provided with a rotary locking position, and the rotary locking position is a circular groove or two In the above arc-shaped groove, the other layer of the ring bracket is provided with a clamping part facing one side of the ring bracket, and the clamping part is provided with a protrusion; when assembling, the clamping part is movably installed in the channel In the hole, the protrusion can be reciprocally locked in the circular groove or the arc-shaped groove.
  • the clamping portion is a circular clamping edge coaxial with the through hole
  • the protrusion is a circular convex rib provided on the outer surface of the circular clamping edge or is distributed in the circular clamping edge.
  • the convex block on the outer surface of the side, the annular convex rib and the convex block are reciprocally movably clamped in the circular groove groove; or, the clamping part is more than two clamping feet distributed on the annular bracket.
  • the protrusion is a protrusion provided on the outer surface of the clamping leg, and the protrusions of more than two clamping legs are respectively reciprocally movably clamped in more than two arc-shaped grooves.
  • the card portion, the protrusion and the annular bracket are an integrated structure.
  • a through hole is provided in the middle of the two adjacent layers of the ring support, and the opposite surfaces of the two layers of the ring support are respectively coaxial with the through hole to the circular locking position and the locking part, the circular
  • the annular clamping position is a circular groove with an "L” shape in cross section, and the clamping part is in an "L” shape in cross section and is reciprocally locked in the circular groove.
  • the card portion and the annular bracket are an integrated structure.
  • the filter lens mounting frame includes a front and rear two layers of filter lens sub-mounting frames that can rotate with each other, and each of the front and rear layers of the filter lens sub-mounting frame includes a ring bracket and two lens clips;
  • the two lens clips of the filter lens sub-mounting frame are arranged on the rear surface of the ring bracket oppositely and fixedly connected with the lens adapter; the two lens clips of the filter lens sub-mounting frame located in the front are spaced opposite each other
  • the ground is arranged on the front side surface of the ring bracket, and the ring brackets of the front and rear two layers of the filter lens sub-mounting frame are rotatably connected with each other.
  • both the front and rear layers of the filter lens sub-mounting frame are provided with through holes in the middle of the ring brackets, wherein the hole wall of the through hole of the filter lens sub-mounting frame at the rear is provided with a rotation locking position,
  • the rotating locking position is a circular groove
  • the annular bracket of the filter lens sub-mounting frame located at the front is provided with a locking portion on one side facing the annular bracket of the rear filter lens sub-mounting frame, and the locking portion is connected to the through hole.
  • the coaxial annular clamping edge is flush with the hole wall of the through hole, and the protrusion is a circular convex rib arranged on the outer surface of the annular clamping edge; when assembled, the annular clamping edge can be It is rotatably installed in the through hole, and the annular convex rib is rotatably clamped in the circular groove.
  • the present invention can simultaneously rotate and adjust all the filter lenses on the filter holder, and can also independently rotate and adjust the filter lenses of each layer of filter lens sub-mounting frame, which is suitable for wide shooting environments and filters.
  • the effect is more varied, effectively improving the shooting effect and shooting quality, the use is very flexible and convenient, the operation is also very simple, and the structure is simple and compact, which is conducive to production, processing and use, and has strong market competitiveness.
  • FIG. 1 is a schematic structural diagram of an embodiment of a lens filter holder capable of independently rotating and adjusting the filter according to the present invention
  • FIG. 2 is a schematic cross-sectional structure diagram of an embodiment of a lens filter holder capable of individually rotating and adjusting filters according to the present invention
  • Fig. 3 is a schematic diagram of an enlarged structure of part A in Fig. 2.
  • a lens filter holder capable of individually rotating and adjusting filters includes a lens holder 1 and a filter holder 2.
  • the lens holder 1 is rotatable, Lockingly arranged on the back of the filter holder 2, the specific structure is: the lens adapter 1 and the filter holder 2 are detachably assembled as a whole, and the circumferential side of the filter holder 2 is provided with a locking piece 11.
  • the locking member 11 can be a locking screw, which can be axially movably extended into the filter holder 2 and act on the lens adapter 1 to achieve the locking between the lens adapter 1 and the filter holder 2.
  • the front of the filter holder 2 includes a concentric filter lens mounting frame 3, the filter lens mounting frame 3 includes two or more layers of mutually rotatable filter lens sub-mounting frames 4, each layer of filter lens sub-mounting
  • the frame 4 is provided with two lens clips 6 arranged opposite to each other at intervals.
  • each layer of filter lens sub-mounting frame 4 includes a ring bracket 5 and two lens clips 6, the two lens clips 6 are arranged on the ring bracket 5 opposite to each other, and two adjacent layers of filter lens submounts are installed
  • the ring brackets 5 of the frame 4 are rotatably connected to each other, and the ring brackets 5 of the two adjacent layers of filter lens sub-mounting frames 4 are rotatably connected to each other through a rotating clamping position and a clamping part. Specifically, two adjacent ones are rotatably connected to each other.
  • a through hole 7 is provided in the middle of the ring bracket 5, and the through hole 7 can be a circular through hole, an elliptical through hole or a polygonal through hole, and the hole wall of the through hole 7 of the ring bracket 5 of one layer
  • the rotary locking position is a circular groove 8
  • the side of the other layer of the ring bracket 5 facing the one layer of the ring bracket 5 is provided with a clamping portion 9, and the clamping portion 9 is provided
  • the clamping portion 9 is provided
  • the protrusion 10 is an integrated structure with the ring bracket 5; when assembling, the clamping portion 9 is movably installed in the through hole 7, and the protrusion 10 can reciprocately lock In the circular groove 8; and the clamping portion 9 may be a circular clamping edge coaxial with the through hole 7, and the protrusion 10 is a circular convex rib provided on the outer surface of the circular clamping edge,
  • the annular ribs and protrusions are reciprocally movably
  • the lens filter holder that can independently rotate and adjust the filter lens
  • the filter lens mounting frame 3 includes two front and rear layers of filter lens sub-mounting frames 4 that can rotate with each other, and the front and back layers
  • Each of the lens sub-mounting frames 4 includes a ring bracket 5 and two lens clips 6; wherein the two lens clips 6 of the filter lens sub-mounting frame 4 located at the rear are arranged opposite to each other on the rear surface of the ring bracket 5 and It is fixedly connected with the lens adapter 1; the two lens clips 6 of the filter lens sub-mounting frame 4 located in the front are arranged on the front surface of the ring bracket 5 oppositely, and there are two layers of the filter lens sub-mounting frame in the front and back.
  • the ring bracket 5 of 4 is rotatably connected with each other.
  • the specific structure is: a through hole 7 is provided in the middle of the annular brackets 5 of the front and rear two layers of filter lens sub-mounting frame 4, the through hole 7 is a circular through hole, and the ring-shaped bracket of the filter lens sub-mounting frame 4 located at the rear
  • the wall of the through hole 7 of 5 is provided with a rotary locking position, the rotary locking position is a circular groove 8, and the ring bracket 5 of the filter lens sub-mounting frame 4 located at the front faces the rear filter lens sub-mounting frame 4
  • One side of the annular bracket 5 is provided with a clamping portion 9 which is a circular clamping edge coaxial with the through hole 7 and is flush with the hole wall of the through hole 7, and the protrusion 10 is arranged on The annular rib on the outer surface of the annular locking edge; during assembly, the annular locking edge is rotatably installed in the through hole 7, and the annular rib is rotatably
  • the lens filter holder of the present invention When the lens filter holder of the present invention is used, it is installed and fixed on the lens of the camera and other photographic equipment through the lens adapter 1, and then the filter holder 2 is rotated to adjust all the filter lenses on the filter holder 2 at a time.
  • the locking member 11 is operated to lock, and then the user can directly rotate the filter lens sub-mounting frame 4 to adjust the filter lens of each layer of the filter lens sub-mounting frame 4.
  • the lens filter holder of the present invention can rotate and adjust all the filter lenses on the filter holder 2 at the same time, and can also individually rotate and adjust the filter lenses of each layer of the filter lens submount 4, which is applicable
  • the shooting environment is wider, the filter effects are more varied, and the shooting effect and shooting quality are effectively improved.
  • the use is very flexible and convenient, the operation is also very simple, and the structure is simple and compact, which is conducive to production, processing and use.
  • the rotation locking position of one layer of the ring holder 5 of the two adjacent layers of the filter lens sub-mounting frame 4 can also be two or more arc-shaped grooves, and the other layer
  • the side of the ring bracket 5 facing the one layer of the ring bracket 5 is provided with a clamping portion 9, and the clamping portion 9 is provided with a protrusion 10; when assembling, the clamping portion 9 is movably installed in the through hole 7.
  • the protrusion 10 can be reciprocally movably clamped in the arc-shaped groove; moreover, the clamping portion 9 may also be more than two clamping feet distributed on the ring bracket 5 in a ring shape, and the protrusion 10 is arranged in The convex block on the outer surface of the clamping leg, and the convex blocks of more than two clamping legs are respectively reciprocally movably clamped in more than two arc-shaped grooves.
  • the rotating clamping position and the clamping portion 9 may also be respectively arranged at the outer edge of the annular bracket 5 of the two adjacent layers of filter lens sub-mounting frame 4, for example: the rotating clamping position is arranged on one of the annular brackets. On the outer edge end surface of 5, the card portion 9 is arranged on the outer edge of the other layer of ring-shaped bracket 5 or at a position close to the edge.
  • the opposing surfaces of the two adjacent layers of the ring bracket 5 of the lens filter holder of the present invention may also be respectively a circular clamping position and a clamping portion coaxial with the through hole 7, and the clamping portion is integrated with the ring bracket 5
  • the circular locking position is a circular groove with an "L" shape in cross section, and the clamping part is in an "L” shape in cross section, and is reciprocally movably locked in the circular groove.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Structure And Mechanism Of Cameras (AREA)

Abstract

一种可单独旋转调节滤镜片的镜头滤镜支架，包括有镜头接圈(1)和滤镜支架(2)，镜头接圈(1)可转动、锁定地设置在滤镜支架(2)的背面，滤镜支架(2)的正面包括有同轴心的滤镜片安装架(3)，滤镜片安装架(3)包括两层以上可相互转动的滤镜片子安装架(4)，每层滤镜片子安装架(4)上设有两个间隔相对设置的镜片夹片(6)。使用时，用户既可同时对滤镜支架(2)上所有的滤镜镜片进行转动调整，又可单独对每层滤镜片子安装架(4)的滤镜镜片进行转动调整，适用拍摄环境广，滤镜效果更加变化多样，有效提升拍摄效果和拍摄质量，使用十分灵活、方便，操作也非常简单、轻松，而且结构简单、紧凑，有利于生产加工和使用。

Description

一种可单独旋转调节滤镜片的镜头滤镜支架 技术领域
本发明属于摄影器材技术领域，特别涉及一种可单独旋转调节滤镜片的镜头滤镜支架。
 背景技术
目前，市面上现有的照相机、摄影机等拍摄设备在使用过程通常都会在镜头前通过滤镜支架安装不同的滤镜镜片，以达到不同的效果。而且现有这些滤镜支架包括镜头接圈和滤镜支架；但申请人发现：镜头接圈的接圈本体与滤镜支架可相互转动地装配一体，而且滤镜支架上通过镜片夹片安装有多片不同的滤镜镜片，在使用过程中只能同时对所有滤镜镜片进行转动调节，根本无法满足各种不同拍摄环境的构图需求，严重影响拍摄质量。
发明内容
为解决现有技术中存在的上述问题，本发明提供了一种既可同时对滤镜支架上所有的滤镜镜片进行转动调整，又可单独对每层滤镜片子安装架的滤镜镜片进行转动调整，适用拍摄环境广，滤镜效果变化多样，使用十分灵活、方便，操作简单的镜头滤镜支架。
为解决上述技术问题，本发明采用如下技术方案：
一种可单独旋转调节滤镜片的镜头滤镜支架，包括有镜头接圈和滤镜支架，所述镜头接圈可转动、锁定地设置在滤镜支架的背面，所述滤镜支架的正面包括有同轴心的滤镜片安装架，所述滤镜片安装架包括两层以上可相互转动的滤镜片子安装架，每层所述滤镜片子安装架上设有两个间隔相对设置的镜片夹片。
进一步地，每层所述滤镜片子安装架包括环形支架和两个镜片夹片，两个所述镜片夹片间隔相对地设置在环形支架上，而且相邻两层滤镜片子安装架的环形支架可相互转动地连接一起。
进一步地，相邻两层滤镜片子安装架的环形支架之间通过转动卡位和卡部可相互转动地连接一起。
进一步地，相邻两层所述环形支架的中间均设有通孔，其中一层环形支架的通孔的孔壁上设有转动卡位，所述转动卡位是圆形凹槽或者两条以上圆弧形凹槽，另一层环形支架朝向所述其中一层环形支架的一侧设有卡部，所述卡部上设有凸起；组装时，所述卡部活动地安装在通孔内，所述凸起可往复移动地卡在圆形凹槽或圆弧形凹槽内。
进一步地，所述卡部是与通孔同轴心的圆环形卡边，所述凸起是设置在圆环形卡边外侧表面的圆环形凸筋或者是环形分布在圆环形卡边外侧表面的凸块，所述圆环形凸筋和凸块可往复移动地卡在圆形凹槽凹槽内；或者，所述卡部是环形分布在环形支架上的两个以上卡脚，所述凸起是设置在卡脚外侧表面的凸块，两个以上卡脚的凸块分别可往复移动地卡在两条以上圆弧形凹槽内。
进一步地，所述卡部和凸起与环形支架为一体化结构。
进一步地，相邻两层所述环形支架的中间均设有通孔，且该两层所述环形支架相对的表面分别与通孔同轴心的圆环形卡位和卡部，所述圆环形卡位是截面为“L”字形的圆形凹槽，所述卡部截面呈“L”字形，并可往复移动地卡在圆形凹槽内。
进一步地，所述卡部与环形支架为一体化结构。
进一步地，所述滤镜片安装架包括前后两层可相互转动的滤镜片子安装架，而且前后两层所述滤镜片子安装架均包括环形支架和两个镜片夹片；其中位于后方的所述滤镜片子安装架的两个镜片夹片间隔相对地设置在环形支架的后侧表面并与镜头接圈固定连接；位于前方的所述滤镜片子安装架的两个镜片夹片间隔相对地设置在环形支架的前侧表面，而且前后两层所述滤镜片子安装架的环形支架与可相互转动地连接一起。
进一步地，前后两层所述滤镜片子安装架的环形支架中间均设有通孔，其中位于后方的所述滤镜片子安装架的环形支架的通孔的孔壁上设有转动卡位，所述转动卡位是圆形凹槽，位于前方的所述滤镜片子安装架的环形支架朝向后方滤镜片子安装架的环形支架的一侧设有卡部，所述卡部是与通孔同轴心的圆环形卡边并与通孔的孔壁持平，所述凸起是设置在圆环形卡边外侧表面的圆环形凸筋；组装时，所述圆环形卡边可转动地安装在通孔内，所述圆环形凸筋可转动地卡在圆形凹槽内。
本发明主要具有以下有益效果：
本发明通过上述技术方案，既可同时对滤镜支架上所有的滤镜镜片进行转动调整，又可单独对每层滤镜片子安装架的滤镜镜片进行转动调整，适用拍摄环境广，滤镜效果更加变化多样，有效提升拍摄效果和拍摄质量，使用十分灵活、方便，操作也非常简单，而且结构简单、紧凑，有利于生产加工和使用，具有很强的市场竞争力。
 附图说明
图1是本发明所述一种可单独旋转调节滤镜片的镜头滤镜支架实施例的结构示意图；
图2是本发明所述一种可单独旋转调节滤镜片的镜头滤镜支架实施例的剖视结构示意图；
图3是图2中A部的放大结构示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
如图1至图3中所示，本发明所述一种可单独旋转调节滤镜片的镜头滤镜支架，包括有镜头接圈1和滤镜支架2，所述镜头接圈1可转动、锁定地设置在滤镜支架2的背面，具体结构为：所述镜头接圈1和滤镜支架2可拆开分离地装配一体，而且所述滤镜支架2的周向侧面设有锁紧件11，所述锁紧件11可以是锁紧螺杆，可轴向运动地伸入滤镜支架2内并作用在镜头接圈1上，实现镜头接圈1和滤镜支架2之间的锁定。
所述滤镜支架2的正面包括有同轴心的滤镜片安装架3，所述滤镜片安装架3包括两层以上可相互转动的滤镜片子安装架4，每层滤镜片子安装架4上设有两个间隔相对设置的镜片夹片6。具体结构可以为：每层滤镜片子安装架4包括环形支架5和两个镜片夹片6，两个镜片夹片6间隔相对地设置在环形支架5上，而且相邻两层滤镜片子安装架4的环形支架5可相互转动地连接一起，其中相邻两层滤镜片子安装架4的环形支架5之间通过转动卡位和卡部可相互转动地连接一起，具体是，相邻两层所述环形支架5的中间均设有通孔7，所述通孔7可以是圆形通孔或椭圆形通孔或多边形通孔，而且其中一层环形支架5的通孔7的孔壁上设有转动卡位，所述转动卡位是圆形凹槽8，另一层环形支架5朝向所述其中一层环形支架5的一侧设有卡部9，所述卡部9上设有凸起10，所述卡部9和凸起10与环形支架5为一体化结构；组装时，所述卡部9活动地安装在通孔7内，所述凸起10可往复移动地卡在圆形凹槽8内；而且卡部9可以是与通孔7同轴心的圆环形卡边，所述凸起10是设置在圆环形卡边外侧表面的圆环形凸筋，所述圆环形凸筋和凸块可往复移动地卡在圆形凹槽8凹槽内（所述凸起10也可以是环形分布在圆环形卡边外侧表面的凸块，所述凸块可往复移动地卡在圆形凹槽8凹槽内）。
例如本发明实施例所述的可单独旋转调节滤镜片的镜头滤镜支架，其滤镜片安装架3包括前后两层可相互转动的滤镜片子安装架4，而且前后两层所述滤镜片子安装架4均包括环形支架5和两个镜片夹片6；其中位于后方的所述滤镜片子安装架4的两个镜片夹片6间隔相对地设置在环形支架5的后侧表面并与镜头接圈1固定连接；位于前方的所述滤镜片子安装架4的两个镜片夹片6间隔相对地设置在环形支架5的前侧表面，而且前后两层所述滤镜片子安装架4的环形支架5与可相互转动地连接一起。具体结构为：前后两层滤镜片子安装架4的环形支架5中间均设有通孔7，该通孔7是圆形通孔，其中位于后方的所述滤镜片子安装架4的环形支架5的通孔7的孔壁上设有转动卡位，所述转动卡位是圆形凹槽8，位于前方的所述滤镜片子安装架4的环形支架5朝向后方滤镜片子安装架4的环形支架5的一侧设有卡部9，所述卡部9是与通孔7同轴心的圆环形卡边并与通孔7的孔壁持平，所述凸起10是设置在圆环形卡边外侧表面的圆环形凸筋；组装时，所述圆环形卡边可转动地安装在通孔7内，所述圆环形凸筋可转动地卡在圆形凹槽8内。
本发明镜头滤镜支架使用时，通过镜头接圈1安装固定在相机等摄影设备的镜头上，然后转动滤镜支架2，一次对滤镜支架2上所有的滤镜镜片进行调整，调整好后操作锁紧件11进行锁定，接着用户还可直接转动滤镜片子安装架4，对每层滤镜片子安装架4的滤镜镜片进行调整。
这样，本发明所述镜头滤镜支架既可同时对滤镜支架2上所有的滤镜镜片进行转动调整，又可单独对每层滤镜片子安装架4的滤镜镜片，进行转动调整，适用的拍摄环境更广，滤镜效果更加变化多样，有效提升拍摄效果和拍摄质量，使用十分灵活、方便，操作也非常简单，而且结构简单、紧凑，有利于生产加工和使用。
当然，本发明所述镜头滤镜支架相邻两层滤镜片子安装架4的环形支架5的其中一层环形支架5的转动卡位也可以是两条以上圆弧形凹槽，另一层环形支架5朝向所述其中一层环形支架5的一侧设有卡部9，所述卡部9上设有凸起10；组装时，所述卡部9活动地安装在通孔7内，所述凸起10可往复移动地卡在圆弧形凹槽内；而且，所述卡部9也可以是环形分布在环形支架5上的两个以上卡脚，所述凸起10是设置在卡脚外侧表面的凸块，两个以上卡脚的凸块分别可往复移动地卡在两条以上圆弧形凹槽内。
或者，所述转动卡位和卡部9也可以分别设置在相邻两层滤镜片子安装架4的环形支架5的外侧缘边处，比如：所述转动卡位设置在其中一层环形支架5的外侧缘边端面上，所述卡部9设置在另一层环形支架5的外侧缘边上或靠近缘边位置上。
此外，本发明所述镜头滤镜支架相邻两层环形支架5相对的表面还可以分别与通孔7同轴心的圆环形卡位和卡部，所述卡部与环形支架5为一体化结构，而且所述圆环形卡位是截面为“L”字形的圆形凹槽，所述卡部截面呈“L”字形，并可往复移动地卡在圆形凹槽内。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (10)

  1. 一种可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：包括有镜头接圈（1）和滤镜支架（2），所述镜头接圈（1）可转动、锁定地设置在滤镜支架（2）的背面，所述滤镜支架（2）的正面包括有同轴心的滤镜片安装架（3），所述滤镜片安装架（3）包括两层以上可相互转动的滤镜片子安装架（4），每层所述滤镜片子安装架（4）上设有两个间隔相对设置的镜片夹片（6）。
  2. 根据权利要求1所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：每层所述滤镜片子安装架（4）包括环形支架（5）和两个镜片夹片（6），两个所述镜片夹片（6）间隔相对地设置在环形支架（5）上，而且相邻两层滤镜片子安装架（4）的环形支架（5）可相互转动地连接一起。
  3. 根据权利要求2所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：相邻两层滤镜片子安装架（4）的环形支架（5）之间通过转动卡位和卡部可相互转动地连接一起。
  4. 根据权利要求3所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：相邻两层所述环形支架（5）的中间均设有通孔（7），其中一层环形支架（5）的通孔（7）的孔壁上设有转动卡位，所述转动卡位是圆形凹槽（8）或者两条以上圆弧形凹槽，另一层环形支架（5）朝向所述其中一层环形支架（5）的一侧设有卡部（9），所述卡部（9）上设有凸起（10）；组装时，所述卡部（9）活动地安装在通孔（7）内，所述凸起（10）可往复移动地卡在圆形凹槽（8）或圆弧形凹槽内。
  5. 根据权利要求4所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：所述卡部（9）是与通孔（7）同轴心的圆环形卡边，所述凸起（10）是设置在圆环形卡边外侧表面的圆环形凸筋或者是环形分布在圆环形卡边外侧表面的凸块，所述圆环形凸筋和凸块可往复移动地卡在圆形凹槽（8）凹槽内；或者，所述卡部（9）是环形分布在环形支架（5）上的两个以上卡脚，所述凸起（10）是设置在卡脚外侧表面的凸块，两个以上卡脚的凸块分别可往复移动地卡在两条以上圆弧形凹槽内。
  6. 根据权利要求5所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：所述卡部（9）和凸起（10）与环形支架（5）为一体化结构。
  7. 根据权利要求3所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：相邻两层所述环形支架（5）的中间均设有通孔（7），且该两层所述环形支架（5）相对的表面分别与通孔（7）同轴心的圆环形卡位和卡部，所述圆环形卡位是截面为“L”字形的圆形凹槽，所述卡部截面呈“L”字形，并可往复移动地卡在圆形凹槽内。
  8. 根据权利要求7所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：所述卡部与环形支架（5）为一体化结构。
  9. 根据权利要求1至8任一所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：所述滤镜片安装架（3）包括前后两层可相互转动的滤镜片子安装架（4），而且前后两层所述滤镜片子安装架（4）均包括环形支架（5）和两个镜片夹片（6）；其中位于后方的所述滤镜片子安装架（4）的两个镜片夹片（6）间隔相对地设置在环形支架（5）的后侧表面并与镜头接圈（1）固定连接；位于前方的所述滤镜片子安装架（4）的两个镜片夹片（6）间隔相对地设置在环形支架（5）的前侧表面，而且前后两层所述滤镜片子安装架（4）的环形支架（5）与可相互转动地连接一起。
  10. 根据权利要求9所述可单独旋转调节滤镜片的镜头滤镜支架，其特征在于：前后两层所述滤镜片子安装架（4）的环形支架（5）中间均设有通孔（7），其中位于后方的所述滤镜片子安装架（4）的环形支架（5）的通孔（7）的孔壁上设有转动卡位，所述转动卡位是圆形凹槽（8），位于前方的所述滤镜片子安装架（4）的环形支架（5）朝向后方滤镜片子安装架（4）的环形支架（5）的一侧设有卡部（9），所述卡部（9）是与通孔（7）同轴心的圆环形卡边并与通孔（7）的孔壁持平，所述凸起（10）是设置在圆环形卡边外侧表面的圆环形凸筋；组装时，所述圆环形卡边可转动地安装在通孔（7）内，所述圆环形凸筋可转动地卡在圆形凹槽（8）内。
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