WO2020228569A1 - 摄像机支架 - Google Patents

摄像机支架 Download PDF

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Publication number
WO2020228569A1
WO2020228569A1 PCT/CN2020/088751 CN2020088751W WO2020228569A1 WO 2020228569 A1 WO2020228569 A1 WO 2020228569A1 CN 2020088751 W CN2020088751 W CN 2020088751W WO 2020228569 A1 WO2020228569 A1 WO 2020228569A1
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WO
WIPO (PCT)
Prior art keywords
adjustment
hole
support
fine
rotating
Prior art date
Application number
PCT/CN2020/088751
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English (en)
French (fr)
Inventor
李杨
颜财盛
叶展
Original Assignee
杭州海康威视数字技术股份有限公司
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Application filed by 杭州海康威视数字技术股份有限公司 filed Critical 杭州海康威视数字技术股份有限公司
Priority to US17/606,882 priority Critical patent/US11385529B2/en
Priority to EP20806022.8A priority patent/EP3967918B1/en
Publication of WO2020228569A1 publication Critical patent/WO2020228569A1/zh

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/56Accessories
    • G03B17/561Support related camera accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/121Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/16Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/2007Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2014Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00Details of stands or supports
    • F16M2200/02Locking means
    • F16M2200/021Locking means for rotational movement
    • F16M2200/024Locking means for rotational movement by positive interaction, e.g. male-female connections

Definitions

  • This application relates to the field of image acquisition technology, and in particular to a camera bracket.
  • a camera is usually used for image collection.
  • a camera bracket is usually used to position the camera in the T direction (vertical direction) and P direction (horizontal direction). Since the camera will be affected by gravity in the T direction, in order to overcome the gravity, the way of adjusting the angle of the camera bracket T is usually achieved by meshing fixed tooth grooves and rotating tooth grooves.
  • the fixed tooth groove is fixedly arranged on the T-direction support, and the rotating tooth groove is fixedly arranged on the rotating support for connecting the camera.
  • a ring of teeth is evenly distributed along the circumferential direction on the fixed tooth groove and the rotating tooth groove. The two rings of teeth can mesh with each other in the circumferential direction, so that the angle of the rotating support and the angle of the camera T can be adjusted by rotating the tooth groove.
  • the fine adjustment bolt assembly further includes a connecting shaft, the rotation adjusting member has a cam, and the connecting shaft sequentially passes through the cam and the adjusting portion and connects the cam with the The adjusting part is rotatably connected, and there is a locking position that can be reached by rotation between the cam and the adjusting part.
  • the limiting portion has an arc-shaped guide surface
  • the edge of the limiting hole supports the arc-shaped guiding surface
  • the limiting hole and the arc-shaped guiding surface can The included angle between the axis of the fine adjustment bolt and the axis of the limit hole is changed in cooperation.
  • the camera bracket disclosed in the embodiment of the present application can finely adjust the angle of the camera in the T direction by providing a rotation adjustment mechanism with a fine adjustment bolt assembly, so as to meet the required angle accuracy requirements.
  • FIG. 2 is a view of the assembly structure of the T-direction support and the rotation adjustment mechanism disclosed in the embodiment of the application;
  • FIG. 6 is a cross-sectional structural view of the T-direction support and the rotation adjustment mechanism when the cam disclosed in the embodiment of the application is in the unlocked position;
  • FIG. 7 is a cross-sectional structural view of the T-direction support and the rotation adjustment mechanism when the cam disclosed in the embodiment of the application is in the locked position;
  • a fixed tooth groove 10 is provided on the T-direction support 1, and the axis a of the fixed tooth groove 10 is parallel to the horizontal plane.
  • the rotation adjustment mechanism 2 includes a rotation support 20, an adapter 21, and a fine adjustment bolt assembly 22.
  • the rotation support 20 includes a fine adjustment plate 200 and a rotating tooth slot 201 for coaxially meshing with the fixed tooth slot 10.
  • the fine adjustment plate 200 and the rotating tooth groove 201 adopt a fixed connection for structural cooperation.
  • the adapter 21 includes a rotating connecting portion 210 and a connecting seat 211 for connecting the camera 5.
  • the rotating connecting portion 210 is fixedly connected to the connecting seat 211, and the rotating connecting portion 210 can be rotationally connected coaxially with the rotating tooth groove 201.
  • the structure and matching method of the fixed tooth slot 10 and the rotating tooth slot 201 in the embodiment of the present application please refer to the structure and matching method of the fixed tooth slot and the rotating tooth slot in the related art.
  • the cooperation of the two can adjust the T-direction angle.
  • the minimum adjusted angle is the angular difference between two adjacent teeth on the tooth slot, so the T-direction angle of the rotating support 20 can be roughly adjusted through the cooperation of the fixed tooth slot 10 and the rotating tooth slot 201.
  • the adapter 21 remains relatively fixed with the rotating support 20
  • the adapter 21 and the camera 5 connected thereto can also rotate with the rotating support 20, thereby changing the T-direction angle.
  • the adapter 21 and the camera 5 can be connected and fixed by one or more of bonding, clamping, and bolt connection.
  • the fine-tuning bolt assembly 22 includes a fine-tuning bolt 220.
  • the fine-tuning bolt 220 is provided with a threaded portion 220a and a limiting portion 220b.
  • the fine-tuning bolt 220 passes through the limiting hole 200a, and the threaded portion 220a and the fine-tuning screw hole 211a Therefore, the threaded portion 220a and the connecting seat 211 are kept in a connected state, and the two cannot be separated along the axis of the fine adjustment bolt 220 by themselves.
  • the limiting portion 220b is lifted by the edge of the limiting hole 200a and cannot pass through the limiting hole 200a, that is, the fine-adjusting bolt 220 cannot escape from the limiting hole 200a downward, so that the adapter 21 can only be subjected to gravity. It is supported by the rotating support 20 and rotates roughly along with it.
  • the T-direction angle between the fine adjustment plate 200 and the T-direction support 1 has been fixed by the cooperation of the fixed tooth groove 10 and the rotating tooth groove 201 at this time, the T-direction angle between the connecting seat 211 and the fine adjustment plate 200 can be changed. Drive the camera 5 to fine-tune the angle in the T direction, so that the camera can meet the required angular accuracy requirements.
  • the rotation of the fine-tuning bolt 220 can be used to fine-tune the rotating support 20 and the rotating
  • the T-direction angle between the connecting pieces 21 finally makes the connecting piece 21 and the camera 5 reach the required T-direction angle.
  • the T-direction angle that can be adjusted by the fine adjustment bolt 220 is preferably close to or exceeds the minimum value of the angle adjustment between the fixed tooth slot 10 and the rotating tooth slot 201 to achieve full-angle coverage adjustment.
  • the camera bracket provided by the embodiment of the present application uses the axis a of the fixed tooth slot 10 and the rotating tooth slot 201 as the rotation axis for both coarse and fine adjustments, so that the coarse and fine adjustments can be completed coaxially, thereby providing higher adjustment Accuracy.
  • the trimming screw hole 211a, the limiting hole 200a, and the trimming bolt 220 are in a coaxial state. Since the relative movement between the adapter 21 and the rotating support 20 in the fine adjustment process is essentially the rotation of the adapter 21 along the axis a of the fixed tooth groove 10 and the rotating tooth groove 201, the axis of the screw hole 211a is fine-tuned It will change with the rotation of the adapter 21, so that it is no longer coaxial with the limiting hole 200a.
  • the movement trajectory between the fine adjustment bolt 220 and the fine adjustment screw hole 211a is linear movement along the axis of the fine adjustment screw hole 211a.
  • the fine adjustment bolt 220 needs to be able to follow the fine adjustment screw hole 211a.
  • 211a changes the posture of its own axis b, so that the axis b of the fine adjustment bolt 220 and the axis c of the limiting hole 200a gradually form an angle instead of being coaxial.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Accessories Of Cameras (AREA)

Abstract

一种摄像机支架,包括T向支座(1)以及转动调节机构(2),T向支座上设置有固定齿槽(10),转动调节机构包括转动支座(20)、转接件(21)以及微调螺栓组件(22),转动支座包括固定连接的微调板(200)和转动齿槽(201),微调板上设置有限位孔(200a),转接件包括固定连接的转动连接部(210)和连接座(211),连接座上对应限位孔设置有与限位孔在垂直于转动齿槽的轴线的竖直平面内相对的微调螺孔(211a),微调螺栓组件包括微调螺栓(220),微调螺栓上设置有螺纹部(220a)和限位部(220b),微调螺栓穿过限位孔,螺纹部与微调螺孔螺纹连接,限位部被限位孔的边缘托举而无法穿过限位孔。该摄像机支架能够对T向角度进行更为精细的调节,从而达到所需的角度精度要求。

Description

摄像机支架
本申请要求于2019年05月10日提交中国专利局、申请号为201910388807.X发明名称为“摄像机支架”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及图像获取技术领域,尤其涉及一种摄像机支架。
背景技术
随着科学技术的发展,图像获取技术越来越广泛地应用于环境监控、人工智能等领域。
相关技术中,通常采用摄像机进行图像采集。为了固定摄像机并使其处于拍摄所需的角度,通常利用摄像机支架对摄像机进行T向(竖直方向)和P向(水平方向)定位。由于摄像机在T向上会受到重力的作用,因此为了克服重力,摄像机支架T向角度调整的方式通常是采用固定齿槽与转动齿槽相互啮合来实现。固定齿槽被固定设置在T向支座上,转动齿槽则被固定设置在用于连接摄像机的转动支座上。固定齿槽以及转动齿槽上沿周向均匀分布设置一圈齿,这两圈齿能够在周向上相互啮合,从而通过旋转转动齿槽来达到调整转动支座角度以及摄像机T向角度的目的。
然而,上述角度调节方式每次至少要调整一个齿的角度,以一圈50个齿为例,相邻两个齿的角度差便可达到7.2°,即T向上的最小调节角度为7.2°。对于一些长焦摄像机而言,调整幅度过大,无法达到所需的精度要求。
发明内容
本申请实施例的目的在于提供一种摄像机支架,以实现增加T向调节精度。具体技术方案如下:
本申请实施例提供了一种摄像机支架,包括T向支座以及转动调节机构;
所述T向支座上设置有固定齿槽;
所述转动调节机构包括转动支座、转接件以及微调螺栓组件,所述转动支座包括微调板以及用于与所述固定齿槽共轴啮合的转动齿槽,所述微调板与所述转动齿槽固定连接,所述微调板上设置有限位孔;
所述转接件包括转动连接部以及用于连接摄像机的连接座,所述转动连接部与所述连接座固定连接且能够与所述转动齿槽共轴转动连接,所述连接座上对应所述限位孔设置有微调螺孔;
当所述转动连接部与所述转动齿槽共轴转动连接时,所述微调螺孔能够与所述限位孔在垂直于所述转动齿槽的轴线的竖直平面内相对;
所述微调螺栓组件包括微调螺栓,所述微调螺栓上设置有螺纹部以及限位部,所述微调螺栓穿过所述限位孔,所述螺纹部与所述微调螺孔螺纹连接,所述限位部被所述限位孔的边缘托举而无法穿过所述限位孔。
可选地,上述的摄像机支架中,当所述转动连接部与所述转动齿槽共轴转动连接时,所述连接座位于所述微调板的上方。
可选地,上述的摄像机支架中,所述微调螺栓还包括调节部,所述螺纹部、所述限位部以及所述调节部依次设置,所述调节部穿过所述限位孔。
可选地,上述的摄像机支架中,所述微调螺栓组件还包括转动调节件,所述转动调节件与所述调节部连接。
可选地,上述的摄像机支架中,所述微调螺栓组件还包括连接轴,所述转动调节件具有凸轮,所述连接轴依次穿过所述凸轮以及所述调节部并将所述凸轮与所述调节部转动连接,所述凸轮与所述调节部存在一通过转动能够到达的锁紧位置。
可选地,上述的摄像机支架中,所述微调螺栓组件还包括垫片,所述垫片套设在所述调节部上且位于所述限位孔背离所述限位部的一侧,当所述凸轮处于所述锁紧位置时,所述凸轮将所述垫片向所述限位孔的内部挤压。
可选地,上述的摄像机支架中,所述微调板上围绕所述限位孔还设置有垫片限位槽,所述垫片嵌入所述垫片限位槽内。
可选地,上述的摄像机支架中,所述转动调节件还具有扳扣,当所述扳扣处于所述凸轮远离所述限位孔的一侧时,所述凸轮与所述调节部未处于所述锁紧位置。
可选地,上述的摄像机支架中,所述限位部具有弧形引导面,所述限位孔的边缘托举所述弧形引导面,所述限位孔与所述弧形引导面能够配合改变所述微调螺栓的轴线与所述限位孔的轴线的夹角。
可选地,上述的摄像机支架中,所述转动支座上还设置有连接柱,所述连接柱与所述转动齿槽共轴连接,所述转动连接部上设置有连接穿孔,所述连接柱共轴穿过所述连接穿孔;
所述转动调节机构还包括共轴连接组件,所述共轴连接组件阻止所述连接柱沿所述转动齿槽的轴线脱离所述连接穿孔。
可选地,上述的摄像机支架中,所述共轴连接组件包括抵接件以及限位螺丝,所述连接柱上设置有限位螺孔,所述抵接件抵接所述连接穿孔背离所述转动齿槽的一侧,所述抵接件上设置有限位穿孔,所述限位螺丝穿过所述限位穿孔并与所述限位螺孔螺纹连接。
可选地,上述的摄像机支架中,所述共轴连接组件还包括波形垫片,所述波形垫片设置于所述转动连接部以及所述抵接件之间。
可选地,上述的摄像机支架中,还包括P向支座,所述P向支座具有垂直于水平面的调节轴,所述T向支座与所述P向支座连接且能够沿所述调节轴调节所述T向支座的角度。
可选地,上述的摄像机支架中,所述P向支座具有支座法兰,所述支座法兰上沿所述调节轴的周向排布有多个调节孔,所述T向支座具有P向法兰,所述固定齿槽与所述P向法兰固定连接,所述P向法兰具有沿所述调节轴的周向延伸的弧形调节孔,当所述支座法兰与所述P向法兰以任意角度相对时,所述弧形调节孔均与多个所述调节孔相对;
所述摄像机支架还包括紧固螺栓组件,所述紧固螺栓组件穿过所述弧形调节孔以及所述调节孔并固定所述支座法兰以及所述P向法兰。
本申请实施例公开的摄像机支架通过设置具有微调螺栓组件的转动调节机构能够对摄像机在T向上的角度进行更为精细的调节,从而达到所需的角度精度要求。
附图说明
为了更清楚地说明本申请实施例和现有技术的技术方案,下面对实施例和现有技术中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本申请实施例公开的摄像机支架以及摄像机的整体装配结构视图;
图2为本申请实施例公开的T向支座与转动调节机构的装配结构视图;
图3为本申请实施例公开的T向支座与转动调节机构的分体结构视图;
图4为本申请实施例公开的T向支座的具体结构视图;
图5为本申请实施例公开的转动调节机构的爆炸结构视图;
图6为本申请实施例公开的凸轮处于非锁紧位置时T向支座与转动调节机构的剖视结构视图;
图7为本申请实施例公开的凸轮处于锁紧位置时T向支座与转动调节机构的剖视结构视图;
图8为图7中A部分的局部放大视图。
附图标记说明:
1-T向支座、10-固定齿槽、12-P向法兰、120-弧形调节孔、2-转动调节机构、20-转动支座、200-微调板、200a-限位孔、200b-垫片限位槽、201-转动齿 槽、202-连接柱、202a-限位螺孔、21-转接件、210-转动连接部、210a-连接穿孔、211-连接座、211a-微调螺孔、22-微调螺栓组件、220-微调螺栓、220a-螺纹部、220b-限位部、220b1-弧形引导面、220c-调节部、221-转动调节件、221a-凸轮、221b-扳扣、222-连接轴、223-垫片、23-共轴连接组件、230-抵接件、230a-限位穿孔、231-限位螺丝、232-波形垫片、3-P向支座、30-支座法兰、300-调节孔、4-紧固螺栓组件、5-摄像机、6-连接螺栓。
具体实施方式
为使本申请的目的、技术方案及优点更加清楚明白,以下参照附图并举实施例,对本申请进一步详细说明。显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
以下结合附图,详细说明本申请各实施例提供的技术方案。
本申请实施例公开了一种摄像机支架,如图1至图8所示,包括T向支座1以及转动调节机构2。本申请实施例中的T向支座1与转动调节机构2能够配合实现T向上的角度调节。
具体地,如图3和图4所示,在T向支座1上设置有固定齿槽10,固定齿槽10的轴线a平行于水平面。同时,转动调节机构2包括转动支座20、转接件21以及微调螺栓组件22,转动支座20又包括微调板200以及用于与固定齿槽10共轴啮合的转动齿槽201,微调板200与转动齿槽201之间采用固定连接的方式进行结构配合。转接件21包括转动连接部210以及用于连接摄像机5的连接座211,转动连接部210与连接座211固定连接,并且转动连接部210能够与转动齿槽201共轴转动连接。
本申请实施例中的固定齿槽10以及转动齿槽201的结构以及配合方式可以参见相关技术中固定齿槽与转动齿槽的结构以及配合方式,二者配合能够调节T向角度,且所能够调节的最小角度为齿槽上相邻两个齿之间的角度差 值,因此通过固定齿槽10以及转动齿槽201的配合能够对转动支座20的T向角度进行粗调。而此时转接件21如果保持与转动支座20的相对固定,则转接件21以及其所连接的摄像机5也能够随转动支座20一起转动,从而改变T向角度。转接件21与摄像机5之间可以采用粘接、卡接、螺栓连接等方式中的一种或多种进行连接固定。
进一步地,在本申请实施例中的微调板200上设置有限位孔200a,同时在连接座211上设置有与限位孔200a对应的微调螺孔211a。当转动连接部210与转动齿槽201共轴转动时,微调螺孔211a能够与限位孔200a在垂直于转动齿槽201的轴线的竖直平面内相对。
如图5所示,微调螺栓组件22包括微调螺栓220,微调螺栓220上设置有螺纹部220a以及限位部220b,微调螺栓220穿过限位孔200a,并且螺纹部220a与微调螺孔211a之间螺纹连接,因此螺纹部220a与连接座211之间保持连接状态,二者无法自行沿微调螺栓220的轴线脱离。限位部220b被限位孔200a的边缘托举而无法穿过限位孔200a,即微调螺栓220无法向下自行脱离限位孔200a,从而使转接件21在仅受重力的情况下能够被转动支座20所支撑,并随其一起进行转动粗调。
当转接件21随转动支座20转动粗调至接近预定角度的位置时,固定转动支座20与T向支座1之间的姿态。然后旋转微调螺栓220。由于限位部220b与限位孔200a之间的托举限位关系,微调螺栓220穿过限位孔200a的程度始终保持一致。而螺纹部220a伸入微调螺孔211a内的长度却会随着微调螺栓的转动而变化,从而导致连接座211与微调板200之间的T向角度发生变化。由于此时微调板200与T向支座1间的T向角度已经通过固定齿槽10与转动齿槽201的配合实现固定,因此连接座211与微调板200之间的T向角度变化便可以带动摄像机5在T向角度上的微调,从而使摄像机能够达到所需的角度精度要求。
例如,通过固定齿槽10与转动齿槽201的配合仅能够达到7.2°的精度要求。而本申请实施例当通过固定齿槽10与转动齿槽201的配合使当前摄像机5的T向角度与预定角度相差小于7.2°后,可以再通过微调螺栓220的转 动微调转动支座20与转接件21之间的T向角度,最终使转接件21以及摄像机5达到所需的T向角度。微调螺栓220所能调整的T向角度最好接近或超过固定齿槽10与转动齿槽201的角度调节的最小值,以实现全角度覆盖调节。
本申请实施例所提供的摄像机支架,无论是粗调还是微调均以固定齿槽10以及转动齿槽201的轴线a为转动轴,因此能够使粗调和微调同轴完成,从而具备更高的调节精度。
本申请实施例中,在初始状态(通常是微调板200与连接座211贴合)下,微调螺孔211a与限位孔200a以及微调螺栓220处于共轴状态。而由于微调过程中转接件21与转动支座20之间的相对运动的实质是转接件21沿着固定齿槽10以及转动齿槽201的轴线a的转动,因此微调螺孔211a的轴线会随着转接件21的转动而变化,从而不再与限位孔200a共轴。而微调螺栓220与微调螺孔211a之间的运动轨迹却是沿微调螺孔211a的轴线直线运动,因此为了保证微调螺栓220与微调螺孔211a的直线运动,微调螺栓220需要能够随微调螺孔211a改变自身的轴线b的姿态,从而使微调螺栓220的轴线b与限位孔200a的轴线c逐渐形成夹角而不再共轴。
为了使上述过程平稳进行,如图5至图8所示,本申请实施例在限位部220b上设置有弧形引导面220b1,限位孔200a的边缘托举弧形引导面220b1。随着微调的进行,限位孔200a与弧形引导面220b1能够自然产生相对滑动,以不断配合改变微调螺栓220的轴线b与限位孔200a的轴线c的夹角。在一种可能的实施例中,还可以将限位孔200a的边缘也形成与弧形引导面200b1相匹配的弧形结构(图中未示出),以进一步提高平稳度。
在本申请实施例中,摄像机5可以采用托举的方式被固定在连接座211的上方,也可以采用悬吊的方式被固定在连接座211的下方。通常情况下,由于连接座211的上方较为空旷,因此摄像机5采用托举的方式被固定在连接座211的上方。
与此同时,当转动连接部210与转动齿槽201共轴转动连接时,连接座211可以位于微调板200的上方,也可以位于微调板200的下方。当连接座211位于微调板200的上方时,微调螺孔211a也位于限位孔200a的上方,因 此此时限位部220b处于限位孔200a的上方,即处于微调螺孔211a与限位孔200a之间。而当连接座211位于微调板200的下方时,微调螺孔211a处于限位孔200a的下方,而限位部220b依然处于限位孔200a的上方,即处于限位孔200a背离微调螺孔211a的一侧。
以上两种设置方式均可以实现摄像机5的T向微调。然而相较于连接座211位于微调板200的上方的方案,在连接座211位于微调板200的下方的方案中,会存在因螺纹部220a完全脱离微调螺孔211a而导致连接座211整体向下转动跌落的风险。并且通常情况下,微调角度相对较小,因此连接座211与微调板200之间的间隙也较小,在此较小的间隙内操作微调螺栓的操作难度高,因此针对微调螺栓220的操作通常会施加在微调螺栓220穿出限位孔200a的部分。例如在微调螺栓220上设置调节部220c。螺纹部220a、限位部220b以及调节部220c依次设置,同时使调节部220c穿过限位孔200a。
在连接座211位于微调板200的下方的方案中,调节部220c需要位于上方,会增加操作人员的操作难度。因此,当转动连接部210与转动齿槽201共轴转动连接时,连接座211位于微调板200的上方的方案更为优选。
本申请实施例中,调节部220c可以设计为三角形、六角形、一字槽、十字槽等结构,以便于利用辅助工具进行转动。然而这些方式均需要操作人员随身携带辅助工具,不便于安装调节作业的进行。为了简化安装调节过程,在一种可能的实施方式中,微调螺栓组件22还可以包括转动调节件221,转动调节件221与调节部220c连接。转动调节件221的形状可以按照增大力矩的原理进行设定,使操作人员利用自身手劲便可直接进行转动操作,而无需借助辅助工具,从而简化安装调节过程。
在通过微调螺栓220的转动使摄像机5调节至适合角度后,希望能够通常微调螺栓220固定在该位置,而无法再轻易地进行转动。为了实现这一目的,本申请实施例中的微调螺栓组件22还可以包括连接轴222,同时采用具有凸轮221a的转动调节件221。连接轴222依次穿过凸轮221a以及调节部220c,并将凸轮221a与调节部220c转动连接。此时转动调节件221能够以连接轴222为轴进行整体转动,并且在转动过程中凸轮221a也会随之一起转动。而 凸轮221a由于相对于连接轴222具有偏心结构,利用这一特点可以在凸轮221a的转动路径进行设计形成一锁紧位置,当凸轮221a转动至该锁紧位置时会与某一结构发生干涉并产生较强的相互作用力而将凸轮221a固定在此处,从而使转动调节件221整体被锁定,无法轻易地继续转动。
微调螺栓组件22内部可以设置有垫片223,垫片223套设在调节部220c上并位于限位孔200a背离限位部220b的一侧。当凸轮221a处于锁紧位置时,凸轮221a可以将垫片223向限位孔220a的内部挤压,从而在凸轮221a与垫片223之间形成相互作用力将凸轮221a固定住。垫片223可以采用碟形弹簧等具有一定弹性的材料制造,这样当凸轮221a挤压垫片223时可以使垫片223发生弹性形变,以保证微调螺栓220的限位部220b与限位孔200a之间时刻保持紧贴。在发生振动的场景下,减少转接件21以及摄像机5跳起的情况。并且可以将多个垫片223复合使用以提高被压缩的行程以及弹力。为了防止垫片223发生位移,可以在微调板200上围绕限位孔200a设置一垫片限位槽200b,将垫片223嵌入该垫片限位槽200b内进行固定。
本申请实施例中,转动调节件221可以设置有扳扣221b,以供操作人员进行手动转动。由于当扳扣221b处于凸轮221a远离限位孔200a的一侧时,是最佳的操作位置,因此为了便于操作人员操作扳扣221b,不应将该位置设置为锁紧位置。锁紧位置应当为除该位置外的其他位置,例如,可以将锁紧位置设计为相对于该最佳操作位置呈接近90°的夹角。
本申请实施例中,固定齿槽10与转动齿槽201的共轴啮合可以通过固定齿槽10与转动齿槽201的自身结构实现,例如在二者之间设置能够以任意角度卡接配合的卡接结构。也可以通过连接螺栓6或其它结构使固定齿槽10与转动齿槽201共轴啮合连接。如图5所示,可以在转动支座20上设置连接柱202,将连接柱202与转动齿槽201共轴连接,同时在转动连接部210上设置连接穿孔210a,当固定齿槽10与转动齿槽201啮合时,连接柱202共轴穿过连接穿孔210a。与此同时,转动调节机构2还可以包括共轴连接组件23,共轴连接组件23同时与连接柱202以及转动连接部210形成结构关联,通过共轴连接组件23可以阻止连接柱202沿转动齿槽201的轴线a脱离连接穿孔 210a。
具体地,共轴连接组件23可以包括抵接件230以及限位螺丝231,连接柱202上设置有限位螺孔202a,抵接件230抵接连接穿孔210a背离固定齿槽10的一侧,并且在抵接件230上设置有限位穿孔230a,限位螺丝231穿过限位穿孔230a并与限位螺孔202a螺纹连接,从而将连接柱202限制在连接穿孔210a内部。抵接件230可以采用薄片状结构或骨架状结构,以薄片状结构较为常见。
进一步地,还可以在共轴连接组件23内增加波形垫片232,波形垫片232设置于转动连接部210以及抵接件230之间。波形垫片232具有一定弹性,当波形垫片232受到来自于轴线a方向的压紧力而发生形变时,可以通过自身的形变产生弹性压紧力,从而为转动支座20与转接件21在轴线a方向提供缓冲力,以减小该方向上的晃动。
对于摄像机支架而言,除了可以对T向角度进行调节外,还可对P向角度进行调节。具体地,如图1所示,本申请实施例中的摄像机支架还可包括P向支座3,P向支座3具有垂直于水平面的调节轴d,T向支座1与P向支座3连接,且T向支座1能够沿调节轴d调节P向角度。
由于P向调节不会受到重力影响,因此无需采用克服重力的齿啮合结构,而可以直接采用精度更高的调节结构。如图1至图8所示,本申请实施例所提供的摄像机支架提供一种结构较为简单、调节操作简便的结构以供参考。
具体地,如图1所示,该方案中P向支座3上具有支座法兰30,支座法兰30上沿调节轴d的周向排布有多个调节孔300,同时如图2至图4所示,在T向支座1上具有P向法兰12,固定齿槽10与P向法兰12处于固定连接状态。并且P向法兰12上具有沿调节轴d的周向延伸的弧形调节孔120。当支座法兰30与P向法兰12以任意角度相对时,弧形调节孔120均与多个调节孔300相对。
本申请实施例中可以通过控制弧形调节孔120的弧长、数量以及调节孔300的分布来实现弧形调节孔120与多个调节孔300相对。例如,相对于调节 轴d对称设置两个弧形调节孔120,同时使每个弧形调节孔120的弧长能够大于相邻两个调节孔300的间距,这样无论支座法兰30与P向法兰12以何种角度相对,每个弧形调节孔120均至少能够与一个调节孔300相对,从而实现弧形调节孔120整体与多个调节孔300相对的效果。在此基础上,摄像机支架还包括紧固螺栓组件4,紧固螺栓组件4穿过弧形调节孔120以及调节孔300并固定支座法兰30以及P向法兰12。
本申请实施例中的摄像机支架也可以采用其它可行的P向调节结构,均在本申请的保护范围内,在此不再赘述。
综上所述,本申请实施例所提供的摄像机支架能够对T向角度进行更为精细的调节,从而达到所需的角度精度要求。
本申请上文实施例中重点描述的是各个实施例之间的不同,各个实施例之间不同的优化特征只要不矛盾,均可以组合形成更优的实施例,考虑到行文简洁,在此则不再赘述。
以上所述仅为本申请的较佳实施例而已,并不用以限制本申请,凡在本申请的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本申请保护的范围之内。

Claims (14)

  1. 一种摄像机支架,其特征在于,包括T向支座以及转动调节机构;
    所述T向支座上设置有固定齿槽;
    所述转动调节机构包括转动支座、转接件以及微调螺栓组件,所述转动支座包括微调板以及用于与所述固定齿槽共轴啮合的转动齿槽,所述微调板与所述转动齿槽固定连接,所述微调板上设置有限位孔;
    所述转接件包括转动连接部以及用于连接摄像机的连接座,所述转动连接部与所述连接座固定连接且能够与所述转动齿槽共轴转动连接,所述连接座上对应所述限位孔设置有微调螺孔;
    当所述转动连接部与所述转动齿槽共轴转动连接时,所述微调螺孔能够与所述限位孔在垂直于所述转动齿槽的轴线的竖直平面内相对;
    所述微调螺栓组件包括微调螺栓,所述微调螺栓上设置有螺纹部以及限位部,所述微调螺栓穿过所述限位孔,所述螺纹部与所述微调螺孔螺纹连接,所述限位部被所述限位孔的边缘托举而无法穿过所述限位孔。
  2. 根据权利要求1所述的摄像机支架,其特征在于,当所述转动连接部与所述转动齿槽共轴转动连接时,所述连接座位于所述微调板的上方。
  3. 根据权利要求2所述的摄像机支架,其特征在于,所述微调螺栓还包括调节部,所述螺纹部、所述限位部以及所述调节部依次设置,所述调节部穿过所述限位孔。
  4. 根据权利要求3所述的摄像机支架,其特征在于,所述微调螺栓组件还包括转动调节件,所述转动调节件与所述调节部连接。
  5. 根据权利要求4所述的摄像机支架,其特征在于,所述微调螺栓组件还包括连接轴,所述转动调节件具有凸轮,所述连接轴依次穿过所述凸轮以及所述调节部并将所述凸轮与所述调节部转动连接,所述凸轮与所述调节部存在一通过转动能够到达的锁紧位置。
  6. 根据权利要求5所述的摄像机支架,其特征在于,所述微调螺栓组件还 包括垫片,所述垫片套设在所述调节部上且位于所述限位孔背离所述限位部的一侧,当所述凸轮处于所述锁紧位置时,所述凸轮将所述垫片向所述限位孔的内部挤压。
  7. 根据权利要求6所述的摄像机支架,其特征在于,所述微调板上围绕所述限位孔还设置有垫片限位槽,所述垫片嵌入所述垫片限位槽内。
  8. 根据权利要求5至7任一项所述的摄像机支架,其特征在于,所述转动调节件还具有扳扣,当所述扳扣处于所述凸轮远离所述限位孔的一侧时,所述凸轮与所述调节部未处于所述锁紧位置。
  9. 根据权利要求1至7任一项所述的摄像机支架,其特征在于,所述限位部具有弧形引导面,所述限位孔的边缘托举所述弧形引导面,所述限位孔与所述弧形引导面能够配合改变所述微调螺栓的轴线与所述限位孔的轴线的夹角。
  10. 根据权利要求1至7任一项所述的摄像机支架,其特征在于,所述转动支座上还设置有连接柱,所述连接柱与所述转动齿槽共轴连接,所述转动连接部上设置有连接穿孔,所述连接柱共轴穿过所述连接穿孔;
    所述转动调节机构还包括共轴连接组件,所述共轴连接组件阻止所述连接柱沿所述转动齿槽的轴线脱离所述连接穿孔。
  11. 根据权利要求10所述的摄像机支架,其特征在于,所述共轴连接组件包括抵接件以及限位螺丝,所述连接柱上设置有限位螺孔,所述抵接件抵接所述连接穿孔背离所述转动齿槽的一侧,所述抵接件上设置有限位穿孔,所述限位螺丝穿过所述限位穿孔并与所述限位螺孔螺纹连接。
  12. 根据权利要求11所述的摄像机支架,其特征在于,所述共轴连接组件还包括波形垫片,所述波形垫片设置于所述转动连接部以及所述抵接件之间。
  13. 根据权利要求1至7任一项所述的摄像机支架,其特征在于,还包括P向支座,所述P向支座具有垂直于水平面的调节轴,所述T向支座与所述P向支座连接且能够沿所述调节轴调节所述T向支座的角度。
  14. 根据权利要求13所述的摄像机支架,其特征在于,所述P向支座具有支座法兰,所述支座法兰上沿所述调节轴的周向排布有多个调节孔,所述T向支座具有P向法兰,所述固定齿槽与所述P向法兰固定连接,所述P向法兰具有沿所述调节轴的周向延伸的弧形调节孔,当所述支座法兰与所述P向法兰以任意角度相对时,所述弧形调节孔均与多个所述调节孔相对;
    所述摄像机支架还包括紧固螺栓组件,所述紧固螺栓组件穿过所述弧形调节孔以及所述调节孔并固定所述支座法兰以及所述P向法兰。
PCT/CN2020/088751 2019-05-10 2020-05-06 摄像机支架 WO2020228569A1 (zh)

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