WO2017080337A1 - 摄影加长杆及拍摄装置 - Google Patents

摄影加长杆及拍摄装置 Download PDF

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Publication number
WO2017080337A1
WO2017080337A1 PCT/CN2016/101739 CN2016101739W WO2017080337A1 WO 2017080337 A1 WO2017080337 A1 WO 2017080337A1 CN 2016101739 W CN2016101739 W CN 2016101739W WO 2017080337 A1 WO2017080337 A1 WO 2017080337A1
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WO
WIPO (PCT)
Prior art keywords
rod body
rod
photographic
extension
extension rod
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Application number
PCT/CN2016/101739
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English (en)
French (fr)
Inventor
李宏举
赵喜峰
王平
李文福
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深圳市大疆创新科技有限公司
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Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Publication of WO2017080337A1 publication Critical patent/WO2017080337A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • 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
    • G03B17/56—Accessories

Definitions

  • the present invention relates to the field of photography, and in particular to a photographic extension rod and a photographing device.
  • the photographic extension rod is used to mount a photographic device to expand the shooting range of the photographic equipment.
  • most of the existing photographic extension rods are threaded or snap-fitted.
  • both types of locking are inconvenient and the locking position is limited.
  • a photographic extension rod comprising at least two mutually nested shanks.
  • Each of the rod bodies includes at least two arcuate columnar structures connected to each other, and the concave surfaces of the at least two arcuate columnar structures are opposite to each other and the central axes are relatively offset by a predetermined distance, so that the rods of the photographic extension rods are mutually nested Relative locking is achieved when the other shaft is rotated in a predetermined direction.
  • the rod body includes at least a first rod body and a second rod body, the first rod body is sleeved on the outside of the second rod body, and the first rod body is rotated relative to the second rod body in a direction opposite to the predetermined direction.
  • the two rods are slidable relative to the first rod to change the length of the photographic extension rod.
  • an abutting member is disposed at a position close to one end of the first rod body, and the abutting member is fixed to the first rod body;
  • a resisting member is disposed at a position close to one end of the second rod body, the resisting member and the second rod The rod body is fixed; when the second rod body is sleeved on the first rod body and protrudes with the first rod body in a first direction by a predetermined length, the abutting member and the abutting member cooperate to limit the second rod body relative to the first rod body Movement of a rod in the first direction.
  • the abutting member and the end surface of the resisting member are axially abutted.
  • the second rod body is integrally or partially sleeved in the first rod body, and the side walls of the resisting member and the abutting member are located between the first rod body and the side wall of the second rod body.
  • a first matching hole is defined in a sidewall of the first rod body and the one of the abutting members, and a wedge-shaped protrusion is disposed on the sidewall of the other of the first rod body; The protrusion is received in the first mating hole, and the first rod body is fixedly connected to the abutting member.
  • the abutting member is composed of a circular arc columnar structure corresponding to the arcuate columnar structure of the first rod body.
  • a second matching hole is formed in one of the second rod body and the resisting member, and the other of the resisting member and the second rod body is provided with a protrusion; the protrusion is received in the second matching In the hole, the resisting member is fixedly connected to the second rod body.
  • an abutting portion is formed between at least two arcuate columnar structures of the first rod body; a matching portion is formed between at least two arcuate columnar structures of the second rod body; the first rod body is opposite to the first rod body When the two rods rotate in the predetermined direction, the abutting portion abuts against the engaging portion, so that the first rod body and the second rod body are relatively locked.
  • an end of the first rod body away from the second rod body is provided with a connecting member, and the photographing extension rod can be connected to the tripod through the connecting member.
  • each arcuate column structure constituting the first rod body is observed from the end of the photographic extension rod away from the second rod body toward the second rod body. Gradually increase.
  • a non-slip member is disposed on the circumferential surface of the first rod body, and the anti-slip member is used for facilitating the user to hold the photographic extension rod.
  • the photographic extension rod further includes a mounting component disposed on the first shank.
  • a photographing apparatus includes a photographing extension rod as described above and an imaging element coupled to an end portion of the photographing extension rod.
  • the photographing device further includes a pan/tilt head and a locking component, and the photographing component is disposed on the pan/tilt head, and the pan head is detachably connected to the end rod of the photographing extension rod through the locking component.
  • each of the rod bodies includes two arcuate columnar structures connected to each other, and the concave surfaces of the two arcuate columnar structures are opposite to each other and the central axis is relatively offset by a predetermined distance, so that the rod body Locking is achieved when one of the ones rotates in a predetermined direction relative to the other.
  • the photographic extension rod is easy to lock and has a simple structure.
  • FIG. 1 is a perspective view of a telescopic rod of a photographic extension rod according to a preferred embodiment of the present invention.
  • Figure 2 is an exploded perspective view of the telescopic rod of Figure 1.
  • Figure 3 is a cross-sectional view of the telescopic rod of Figure 1.
  • FIG. 4 is another cross-sectional view of the telescopic rod of FIG. 1.
  • Figure 5 is a partial cross-sectional view of the telescopic rod of Figure 1.
  • FIG. 6 is a perspective view of a photographing device according to a preferred embodiment of the present invention.
  • Bump 142 Flange 143 Connector 15 Non-slip parts 16 Mounting component 17 End rod 18 Locking component 20 Yuntai 30 Shooting component 40
  • a component when referred to as being "fixed” to another component, it can be directly on the other component or the component can be present.
  • a component When a component is considered to "connect” another component, it can be directly connected to another component or possibly a central component.
  • a component When a component is considered to be “set to” another component, it can be placed directly on another component or possibly with a centered component.
  • a photographing apparatus 100 includes a photographing extension rod 10, a locking assembly 20, a pan/tilt head 30, and an imaging element 40.
  • the gimbal 30 passes The locking assembly 20 is detachably coupled to the end of the photographic extension rod 10, and the imaging element 40 is disposed on the platform 30.
  • the platform 30 can be fixed to the end of the photographic extension rod 10.
  • the cloud platform 30 is a handheld cloud platform.
  • the photographic extension rod 10 includes at least two mutually nested rod bodies 101, each of the rod bodies 101 including at least two arcuate columnar structures connected to each other, the concave surfaces of the at least two arcuate columnar structures being opposite and opposite to each other between the central axes
  • the concave surface is an arc surface, and a central axis thereof coincides with an axis of the circular arc columnar structure of the rod body 101.
  • the central axes of the at least two arcuate columns are relatively offset by a predetermined distance such that the central axes of the at least two arcuate columns are offset by a predetermined distance from the central axis of the entire shaft.
  • the at least two rod bodies 101 have the same shape, and the sizes thereof are reduced in the order of the sockets.
  • the two rods 101 that are nested with each other form a telescopic rod.
  • the number of the at least two rods 101 is six; it can be understood that in other embodiments, the number of the rods 101 can be increased or decreased according to actual needs; the two rods 101 that are mutually nested are also It can be a different structure, such as one comprising two arcuate cylindrical structures and the other comprising three segments or other number of arcuate columns.
  • the two rod bodies 101 that are sleeved with each other are a first rod body 11 and a second rod body 12 respectively, and the first rod body 11 is sleeved on the second rod body 12 .
  • the second rod body 12 is slidable along the length of the first rod body 11 to change the length of the photographic extension rod 10.
  • the photographic extension rod 10 further includes at least one abutting member 13 and at least one abutting member 14 disposed on the first rod body 11 at one end of the first rod body 11 and the second rod body 12 Pass through the abutment 14 .
  • the resisting member 13 is disposed on one end of the second rod body 12 that is sleeved in the first rod body 11. The resisting member 13 abuts against the abutting member 14 to prevent the second rod body 12 from the first rod body. 11 falls off.
  • Two abutting portions 111 are formed between the two circular arc-like structures of the first rod body 11.
  • the first rod body 11 is provided with a first through groove 112, so that the first rod body 11 has a tubular structure.
  • the first through slot 112 is an arcuate slot for receiving the second rod 12 and the abutting member 14 .
  • Two first matching holes 113 communicating with the first through grooves 112 are respectively formed at two ends of the first rod body 11. The first One end of the rod body 11 is connected to the abutting member 14 through the first fitting hole 113, and the other end is also connected to the one resisting member 13 through the first mating hole 113.
  • the first matching holes 113 of each end of the first rod 11 may be other numbers, such as one, three or more; the first end rod of the photographic extension rod 10 only needs one end to be opened.
  • the first fitting hole 113 is sufficient.
  • the concave surfaces of the two circular arc-shaped structures of the first rod body 11 are the inner wall surfaces of the first through grooves 112; the number of the circular arc-shaped structures of the first rod bodies 11 is not limited to the embodiment. Can be increased according to actual needs.
  • the second rod body 12 has the same shape as the first rod body 11 and has a size corresponding to the size of the first through groove 112 to provide sliding damping between the first rod body 11 and the second rod body 12.
  • Two engaging portions 121 are formed between the two arc-shaped structures of the second rod body 12.
  • the abutting portion 111 is disengaged from the engaging portion 121, and the second rod body 12 can be along the The first rod body 11 slides.
  • the number of the arcuate columnar structures of the second rod body 12 is two. It can be understood that in other embodiments, the number of the arcuate columnar structures of the second rod body 12 can be increased as needed.
  • the second rod body 12 is provided with a second through groove 122, and the second rod body 12 has a tubular structure.
  • the second through slot 122 is configured to receive another rod 101 that is sleeved with the second rod 12 .
  • Two second engaging holes 123 are formed in the two ends of the second rod 12, and one end of the second rod 12 passes through the second engaging hole 123 and the resisting member 13 The other end can be connected to one of the abutting members 14 through the second matching hole 123. It can be understood that the end rod body 18 of the photographic extension rod 10 only needs to open the second fitting hole 123 at one end.
  • the resisting member 13 When the second rod body 12 protrudes along the first rod body 11 by a predetermined length in the first direction, the resisting member 13 cooperates with the abutting member 14 to restrict the second rod body 12 from being opposite to the first rod body 11 The movement in one direction prevents the second rod 12 from being detached from the first rod 11.
  • the resisting member 13 includes an arcuate portion 131 including an arcuate inner surface 132 opposite to the second rod body 12, the inner surface 132 is provided with a protrusion 133, and the protrusion 133 is disposed at the The resisting member 13 is connected to the second rod body 12 in the second fitting hole 123.
  • the number of the resisting members 13 is two. It can be understood that in other embodiments, the number of the resisting members 13 can be increased or decreased as needed.
  • the abutment 14 includes an eccentric body 141.
  • the shape of the eccentric body 141 corresponds to the shape of the second rod body 12, and the size thereof corresponds to the size of the first through groove 112.
  • Two connecting portions 1411 are formed between the two circular arc-shaped structures of the eccentric body 141.
  • the concave surfaces of the two circular cylindrical structures of the eccentric body 141 are opposite to each other and the central axis is relatively offset by the predetermined distance.
  • the abutting member 14 defines a third through slot 1412 extending through the eccentric body 141 , and the third through slot 1412 is configured to receive a portion of the second rod 12 .
  • the shape of the third through groove 1412 corresponds to the shape of the second rod body 12.
  • the outer peripheral surface of the eccentric body 141 is provided with two wedge-shaped protrusions 142.
  • the protrusions 142 are received in the first fitting hole 113, and the abutting member 14 is connected to the first rod body 11. It can be understood that the number of the bumps 142 can be changed according to actual needs.
  • a flange 143 extends in a direction away from the eccentric body 141 on the outer peripheral surface of the eccentric body 141.
  • the abutting member 14 has elasticity; the abutting member 14 is a stepped annular body. It can be understood that the flange 143 and/or the protrusion 142 of the resisting member 14 can also be omitted, and the resisting member 14 is fixedly connected to the first rod body 11 by an interference fit.
  • the abutting member 14 is composed of a plurality of arcuate columnar structures, and the number of the arcuate columnar structures corresponds to the number of arcuate columnar structures constituting the first rod body 11.
  • the two numbers are the same and are both ends. It can be understood that other numbers such as three segments and four segments can also be used.
  • the number of the arcuate columnar structures of the first rod body 11 may be two, and the abutting member 14 may be composed of four arcuate columnar structures; the number of the arcuate columnar structures of the first rod body 11 may be Three, and the abutting member 14 may be composed of a six-segment arcuate columnar structure.
  • the protrusion 133 of each of the resisting members 13 is disposed in the corresponding second matching hole 123 to connect the second rod 12 to the resisting member 13.
  • the abutting member 14 is disposed in the first through slot 112 of the first rod body 11 from the first end of the first rod body 11.
  • the protrusion 142 is received in the first matching hole 113 to connect the abutting member 14 In the first rod body 11.
  • the flange 143 abuts against one end of the first rod body 11 , and an end of the second rod body 12 opposite to the resisting member 13 passes through the first through slot 112 and the first end of the first rod body 11 .
  • the corresponding abutting portion 111, the engaging portion 121, and the connecting portion 1411 are disposed opposite to each other.
  • the engaging portion 121 is disengaged from the engaging portion 121, and the second rod body 12 is slidable along the first rod body 11.
  • the abutting member 14 abuts against the end surface of the resisting member 13 to restrict the second rod body 12 from falling off the first rod body 11.
  • the second rod body 12 can be integrally or partially sleeved in the first rod body 11.
  • the abutting member 14 and the side wall of the resisting member 13 are located at the first rod body 11 and the second rod body 12. Between the side walls.
  • the side wall of each arcuate columnar structure constituting the first rod body 11 reaches the central axis of the photographic extension rod 10
  • the distance is gradually increasing. That is, from the larger diameter end of the photographic extension rod 10 to the smaller diameter end, the distance between the side wall of each arcuate columnar structure constituting the first rod body 11 to the central axis of the photographic extension rod 10 is gradually increased. . Therefore, when viewed from this viewing angle, the first rod body 11 can be rotated in the counterclockwise direction relative to the second rod body 12 to achieve the purpose of locking, and the clockwise direction is rotated to achieve the purpose of loosening.
  • this method can ensure the locking when the counterclockwise rotation is achieved, and it can prevent the counterclockwise loosening when the heavy load is attached, and the stability of the connection heavy load is ensured. Sex.
  • the abutting member 14 and the resisting member 13 can be omitted.
  • the inner wall of the first through slot 112 of the first rod 11 is disposed in a shape corresponding to the shape of the second rod 12 .
  • the annular body has a protrusion formed on a circumferential surface of one end of the second rod body 12, and the protrusion abuts against the annular body to restrict the second rod body 12 from falling off from the first rod body 11.
  • the second matching hole 123 can be formed in the resisting member 13, and the corresponding protrusion 133 is formed on the second rod body 12.
  • the first matching hole 113 can be opened.
  • the corresponding wedge-shaped projection 142 is formed on the first rod body 11.
  • a connecting member 15 is disposed at an end of the leading end rod of the photographic extension rod 10 away from the end rod body 18.
  • the photographic extension rod 10 can be connected to other tripod-type accessories through the connecting member 15, and can play a loosening function.
  • the connecting member 12 has a disk tooth structure.
  • the anti-slip member 16 is further disposed on the circumferential surface of the head end body, and the anti-slip member 16 is used for facilitating the user to hold the photographic extension rod 10.
  • the slip preventing member 16 is a non-slip foam.
  • the photographic extension 10 also includes a mounting assembly 17.
  • the mounting assembly 17 is disposed at a position where the head end body is adjacent to the anti-slip member 16, and the mounting assembly 17 is used for mounting a mobile phone holder or the like.
  • the photographic extension rod 10 includes a first rod body 11 and a second rod body 12, the first rod body 11 is a head end rod of the photographic extension rod 10, and the second rod body 12 is The end of the photographic extension rod 10 is rod.
  • each of the rod bodies includes two arcuate columnar structures connected to each other, and the concave surfaces of the two arcuate columnar structures are opposite to each other and the central axis is relatively offset by a predetermined distance, so that the rod body When one of the ones rotates in a predetermined direction relative to the other, the two rods are relatively locked.
  • the photographic extension rod is easy to lock and has a simple structure.

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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

一种摄影加长杆(10)及包括该摄影加长杆的摄影装置（100），该摄影加长杆（10）包括至少两个相互套接的杆体(101)。每个杆体(101)包括相互连接的至少两个圆弧柱状结构，该至少两个该圆弧柱状结构的凹面相对且中心轴线之间相对偏移预定距离，使得该杆体(101)的相互套接的一个相对另一个沿预定方向转动时，两个该杆体(101)相对锁紧。

Description

摄影加长杆及拍摄装置 技术领域
本发明涉及摄影领域，特别涉及一种摄影加长杆及拍摄装置。
背景技术
摄影加长杆用于搭载摄影设备，以扩大摄影设备的拍摄范围。然而，现有的摄影加长杆大都是采用螺纹式锁紧或卡块卡孔式锁紧然而，这两种锁紧方式均不方便，且锁紧位置有所限制。
发明内容
有鉴于此，有必要提供一种锁紧方便的摄影拍摄杆及拍摄装置。
一种摄影加长杆，其包括至少两个相互套接的杆体。每个该杆体包括相互连接的至少两个圆弧柱状结构，该至少两个圆弧柱状结构的凹面相对且中心轴线之间相对偏移预定距离，使得该摄影加长杆的相互套接的一个杆体相对另一个杆体沿预定方向转动时，实现相对锁紧。
进一步的，该杆体至少包括第一杆体和第二杆体，该第一杆体套设于该第二杆体外，该第一杆体相对该第二杆体沿与该预定方向相反的方向转动时，该第二杆体能够相对该第一杆体滑动以改变该摄影加长杆的长度。
进一步的，该第一杆体与该第二杆体之间具有滑动阻尼。
进一步的，该第一杆体靠近一端的位置设置有抵接件，该抵接件与该第一杆体固定；该第二杆体靠近一端的位置设置有抵持件，该抵持件与该第二杆体固定；该第二杆体套接于该第一杆体且相对该第一杆体沿第一方向伸出预定长度时，该抵接件和该抵持件相配合以限制该第二杆体相对该第一杆体沿该第一方向的运动。
进一步的，该第二杆体套接于该第一杆体且相对该第一杆体沿该第一方向伸出预定长度时，该抵接件和该抵持件的端面沿轴向相抵持。
进一步的，该第二杆体整体或部分地套接于该第一杆体内，且该抵持件和该抵接件的侧壁位于该第一杆体和该第二杆体的侧壁之间。
进一步的，该第一杆体和该抵接件之一的侧壁上开设有第一配合孔，该抵接件与该第一杆体中的另一个的侧壁上相应设置有楔形的凸块；该凸块收容在该第一配合孔内，使该第一杆体与该抵接件固定连接。
进一步的，该抵接件由与该第一杆体的圆弧柱状结构对应数目的圆弧柱状结构组成。
进一步的，该第二杆体和该抵持件之一上开设有第二配合孔，该抵持件与该第二杆体中的另一个上设置有凸起；该凸起收容在该第二配合孔内，使该抵持件与该第二杆体固定连接。
进一步的，该第一杆体的至少两个圆弧柱状结构之间形成有抵接部；该第二杆体的至少两个圆弧柱状结构之间形成有配合部；该第一杆体相对于该第二杆体沿该预定方向转动时，该抵接部与该配合部相抵持，使该第一杆体与该第二杆体相对锁紧。
进一步的，该第一杆体远离该第二杆体的一端设置有连接件，该摄影加长杆能够通过该连接件与脚架相连接。
进一步的，从该摄影加长杆上远离该第二杆体的一端向该第二杆体方向观测，该组成第一杆体的每段圆弧柱状结构的侧壁到所述摄影加长杆的中心轴线的距离逐渐增大。
进一步的，该第一杆体的周面上还设置有防滑件，该防滑件用于方便使用者握持该摄影加长杆。
进一步的，该摄影加长杆还包括挂载组件，该挂载组件设置在该第一杆体上。
一种拍摄装置，其包括如上所述的摄影加长杆以及连接于该摄影加长杆端部的拍摄元件。
进一步的，该拍摄装置还包括云台及锁紧组件，该拍摄元件设置在该云台上，该云台通过该锁紧组件能够拆卸的连接于该摄影加长杆的末端杆体上。
采用本发明的摄影加长杆及拍摄装置，每个该杆体包括相互连接的两个圆弧柱状结构，两个该圆弧柱状结构的凹面相对且中心轴线之间相对偏移预定距离，使得该杆体的一个相对另一个沿预定方向转动时，实现锁紧。该摄影加长杆方便锁紧，结构简单。
附图说明
图1是本发明较佳实施方式提供的摄影加长杆的一伸缩杆的立体示意图。
图2是图1中的伸缩杆的分解示意图。
图3是图1中的伸缩杆的剖视图。
图4是图1中的伸缩杆的另一个剖视图。
图5是图1中的伸缩杆的一个局部剖视图。
图6本发明较佳实施方式提供的拍摄装置的立体示意图。
主要元件符号说明
拍摄装置 100
摄影加长杆 10
杆体 101
第一杆体 11
抵持部 111
第一通槽 112
第一配合孔 113
第二杆体12 12
配合部 121
第二通槽 122
第二配合孔 123
抵持件 13
弧形部 131
内表面 132
凸起 133
凸台 134
抵接件 14
偏心体 141
连接部 1411
第三通槽 1412
凸块 142
凸缘 143
连接件 15
防滑件 16
挂载组件 17
末端杆体 18
锁紧组件 20
云台 30
拍摄元件 40
如下具体实施方式将结合上述附图进一步说明本发明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明的是，当组件被称为“固定于”另一个组件，它可以直接在另一个组件上或者也可以存在居中的组件。当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在居中组件。当一个组件被认为是“设置于”另一个组件，它可以是直接设置在另一个组件上或者可能同时存在居中组件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
下面结合附图，对本发明的一些实施方式作详细说明。在不冲突的情况下，下述的实施例及实施例中的特征可以相互组合。
请一并参阅图1至图3，本发明较佳实施方式提供的拍摄装置100，其包括摄影加长杆10、锁紧组件20、云台30及拍摄元件40。该云台30通过 该锁紧组件20可拆卸的连接于该摄影加长杆10的末端，该拍摄元件40设置在该云台30上。可以理解，在其他实施方式中，该云台30可以固定于该摄影加长杆10的末端。本实施方式中，该云台30为手持云台。
该摄影加长杆10的长度能够改变，进而能够改变该拍摄元件40的拍摄范围与拍摄位置。该摄影加长杆10包括至少两个相互套接的杆体101，每个该杆体101包括相互连接的至少两个圆弧柱状结构，该至少两个圆弧柱状结构的凹面相对且中心轴线之间相对偏移预定距离，使得该杆体101中的一个相对于另一个沿预定方向转动时，两个该杆体101相对锁定。本实施方式中，该凹面为弧形面，其中心轴与该杆体101的圆弧柱状结构的轴线重合。其中，因所述至少两个圆弧柱状结构的中心轴线之间相对偏移预定距离，从而使该至少两个圆弧柱状结构各自的中心轴线相对整个杆体的中心轴线偏移预定距离。
本实施方式中，该至少两个杆体101的形状相同，其尺寸按照套接的顺序逐减。相互套接的两个该杆体101形成一伸缩杆。本实施方式中，该至少两个杆体101的数量为六个；可以理解，在其他实施方式中，该杆体101的数量可以根据实际需要增加或者减少；所述相互套接的两个杆体101也可为不同结构，如一个包括两段圆弧柱状结构，另一个包括三段或其他数目的圆弧柱状结构。
请一并参阅图4至图6，相互套接的两个杆体101分别为第一杆体11和第二杆体12，该第一杆体11套在该第二杆体12上。该第二杆体12能够沿该第一杆体11的长度方向滑动，以改变该摄影加长杆10的长度。该摄影加长杆10还包括至少一个抵持件13及至少一个抵接件14，该抵接件14设置在该第一杆体11上，其位于该第一杆体11的一端，该第二杆体12穿过该抵接件14。该抵持件13设置在该第二杆体12套接在该第一杆体11内的一端上，该抵持件13与该抵接件14相抵持以防止该第二杆体12自该第一杆体11内脱落。
该第一杆体11的两个该圆弧柱状结构之间形成有两个抵持部111。该第一杆体11开设有第一通槽112，使该第一杆体11为管状结构。该第一通槽112为弧形槽，其用于收容该第二杆体12及该抵接件14。该第一杆体11的两端还分别开设有两个与该第一通槽112相连通的第一配合孔113。该第一 杆体11的一端通过该第一配合孔113与该抵接件14相连接，另一端也可以通过该第一配合孔113与一个该抵持件13相连接。可以理解，在其他实施方式中，该第一杆体11的每端的第一配合孔113可以为其他数量，如一个、三个或者更多个；该摄影加长杆10的首端杆体只需要一端开设第一配合孔113即可。本实施方式中，该第一杆体11的两个该圆弧柱状结构的凹面为该第一通槽112的内壁面；该第一杆体11的圆弧柱状结构的数量并不限于本实施方式，可以根据实际需要增加。
该第二杆体12的形状与其第一杆体11相同，其尺寸与该第一通槽112的尺寸相对应，以使该第一杆体11与该第二杆体12之间有滑动阻尼。该第二杆体12的两个圆弧状结构之间形成有两个配合部121。该第一杆体11相对该第二杆体12沿该预定方向转动时，该第一杆体11的抵持部111与该第二杆体12的配合部121相抵持，使该第一杆体11与该第二杆体12相对锁紧，该第一杆体11相对该第二杆体12沿与该预定方向相反的方向转动时，该抵持部111与该配合部121相脱离，该第二杆体12能够沿该第一杆体11滑动。本实施方式中，该第二杆体12的圆弧柱状结构的数量为两个，可以理解，在其他实施方式中，该第二杆体12的圆弧柱状结构的数量可以根据需要增加。
该第二杆体12开设有第二通槽122，该第二杆体12为管状结构。该第二通槽122用于收容与该第二杆体12相套接的另一杆体101。该第二杆体12的两端分别开设有两个与该第二通槽122相连通的第二配合孔123，该第二杆体12的一端通过该第二配合孔123与该抵持件13相连接，另一端可以通过该第二配合孔123与一个该抵接件14相连接。可以理解，该摄影加长杆10的末端杆体18只需一端开设该第二配合孔123即可。
该第二杆体12沿该第一杆体11沿第一方向伸出预定长度时，该抵持件13与该抵接件14相配合以限制该第二杆体12相对该第一杆体11沿该第一方向的运动，防止了该第二杆体12自该第一杆体11内脱离。该抵持件13包括弧形部131，该弧形部131包括与该第二杆体12相对的弧形的内表面132，该内表面132上设置有凸起133，该凸起133设置在该第二配合孔123内，使该抵持件13连接于该第二杆体12。该内表面132临近该抵持件13的一端朝向该第二杆体12延伸有凸台134，该第二杆体12与该抵持件13 相连接的一端与该凸台134相抵接。本实施方式中，该抵持件13的数量为两个，可以理解，在其他实施方式中，该抵持件13的数量可以根据需要增加或者减少。
该抵接件14包括偏心体141。该偏心体141的形状与该第二杆体12的形状相对应，其尺寸与该第一通槽112的尺寸相对应。该偏心体141的两个圆弧柱状结构之间形成有两个连接部1411，该偏心体141的两个圆弧柱状结构的凹面相对且中心轴线之间相对偏移该预定距离。该抵接件14开设有贯穿该偏心体141的第三通槽1412，该第三通槽1412用于收容部分该第二杆体12。该第三通槽1412的形状与该第二杆体12的形状相对应。该偏心体141的外周面上设置有两个楔形的凸块142，该凸块142收容在该第一配合孔113内，使该抵接件14与该第一杆体11相连接。可以理解，该凸块142的数量可以根据实际需要改变。该偏心体141的外周面上朝远离该偏心体141的方向延伸有凸缘143。本实施方式中，该抵接件14具有弹性；该抵接件14为阶梯状的环状体。可以理解，该抵持件14的凸缘143和/或凸块142也可省略，抵持件14通过过盈配合的方式与所述第一杆体11固定连接。
所述抵接件14由多段圆弧柱状结构组成，所述圆弧柱状结构的数目与组成所述第一杆体11的圆弧柱状结构的数目对应。本实施例中，二者数目相同，均为两端。可以理解，也可均为三段、四段等其他数目。或者所述第一杆体11的圆弧柱状结构的数目可以为两个，而所述抵接件14可由四段圆弧柱状结构组成；所述第一杆体11的圆弧柱状结构的数目可以为三个，而所述抵接件14可由六段圆弧柱状结构组成。
每个该抵持件13的凸起133设置在对应的该第二配合孔123内，使该第二杆体12与该抵持件13相连接。该抵接件14自该第一杆体11的一端套设在该第一杆体11的第一通槽112内，该凸块142收容在该第一配合孔113内，使该抵接件14连接于该第一杆体11。该凸缘143抵靠在该第一杆体11的一端，该第二杆体12与该抵持件13相背的一端自该第一杆体11的另一端穿过该第一通槽112及该第三通槽1412。对应的该抵持部111、该配合部121及该连接部1411依次相对设置。该第一杆体11相对该第二杆体12沿与该预定方向相反的方向转动时，该抵持部111该配合部121相脱离，该第二杆体12能够沿该第一杆体11滑动，该第二杆体12朝向该抵接件14滑动时， 该抵接件14与该抵持件13的端面相抵以限制该第二杆体12自该第一杆体11脱落。可以理解，该第二杆体12可以整体或者部分的套接于该第一杆体11内，该抵接件14与该抵持件13的侧壁位于该第一杆体11和该第二杆体12的侧壁之间。
该摄影加长杆10上远离该第二杆体12的一端向该第二杆体12方向观测时，该组成第一杆体11的每段圆弧柱状结构的侧壁到所述摄影加长杆10的中心轴线的距离逐渐增大。即从该摄影加长杆10的直径较大端往直径较小端观测，该组成第一杆体11的每段圆弧柱状结构的侧壁到所述摄影加长杆10的中心轴线的距离逐渐增大。从而，当从此视角观测时，可通过第一杆体11相对第二杆体12沿逆时针方向转动从而达到锁紧的目的，而通过顺时针方向转动从而达到松开的目的。
不同于使用者以往习惯的顺时针锁紧的方式，此方式可保证在逆时针转动的时候达到锁紧，且可防止挂接重载的时候在逆时针方向松脱，保证连接重载的稳定性。
可以理解，在其他实施方式中，可以省略该抵接件14及该抵持件13，该第一杆体11的第一通槽112的内壁上设置形状与该第二杆体12的形状相对应的环状体，相应的该第二杆体12的一端的周面上形成突起，该突起与环状体相抵持以限制该第二杆体12自该第一杆体11脱落。可以理解，在一实施方式中，该第二配合孔123可以开设于该抵持件13，相应的该凸起133形成于该第二杆体12上；同理，该第一配合孔113可以开设于该抵接件14上，相应的楔形的该凸块142形成于该第一杆体11上。
该摄影加长杆10的首端杆体远离该末端杆体18的一端设置有连接件15，该摄影加长杆10能够通过该连接件15与其他脚架类配件相连接，且能够起到防松作用。本实施方式中，该连接件12为盘齿结构。该首端杆体的周面上还设置有防滑件16，该防滑件16用于方便使用者握持该摄影加长杆10。本实施方式中，该防滑件16为防滑泡棉。该摄影加长杆10还包括挂载组件17。该挂载组件17设置在该首端杆体临近该防滑件16的位置，该挂载组件17用于安装手机支架等。
可以理解，在一实施方式中，该摄影加长杆10包括第一杆体11及第二杆体12，该第一杆体11为该摄影加长杆10的首端杆体，该第二杆体12为 该摄影加长杆10的末端杆体。
采用本发明的摄影加长杆及拍摄装置，每个该杆体包括相互连接的两个圆弧柱状结构，两个该圆弧柱状结构的凹面相对且中心轴线之间相对偏移预定距离，使得该杆体的一个相对另一个沿预定方向转动时，两个该杆体相对锁紧。该摄影加长杆方便锁紧，结构简单。
另外，本技术领域的普通技术人员应当认识到，以上的实施方式仅是用来说明本发明，而并非用作为对本发明的限定，只要在本发明的实质精神范围之内，对以上实施例所作的适当改变和变化都落在本发明要求保护的范围之内。

Claims (16)

  1. 一种摄影加长杆，其包括至少两个相互套接的杆体，其特征在于：每个该杆体包括相互连接的至少两个圆弧柱状结构，该至少两个圆弧柱状结构的凹面相对且中心轴线之间相对偏移预定距离，使得该摄影加长杆的相互套接的一个杆体相对另一个杆体沿预定方向转动时，实现相对锁紧。
  2. 如权利要求1所述的摄影加长杆，其特征在于：该杆体至少包括第一杆体和第二杆体，该第一杆体套设于该第二杆体外，该第一杆体相对该第二杆体沿与该预定方向相反的方向转动时，该第二杆体能够相对该第一杆体滑动以改变该摄影加长杆的长度。
  3. 如权利要求2所述的摄影加长杆，其特征在于：该第一杆体与该第二杆体之间具有滑动阻尼。
  4. 如权利要求2所述的摄影加长杆，其特征在于：该第一杆体靠近一端的位置设置有抵接件，该抵接件与该第一杆体固定；该第二杆体靠近一端的位置设置有抵持件，该抵持件与该第二杆体固定；该第二杆体套接于该第一杆体且相对该第一杆体沿第一方向伸出预定长度时，该抵接件和该抵持件相配合以限制该第二杆体相对该第一杆体沿该第一方向的运动。
  5. 如权利要求4所述的摄影加长杆，其特征在于：该第二杆体套接于该第一杆体且相对该第一杆体沿该第一方向伸出预定长度时，该抵接件和该抵持件的端面沿轴向相抵持。
  6. 如权利要求4所述的摄影加长杆，其特征在于：该第二杆体整体或部分地套接于该第一杆体内，且该抵持件和该抵接件的侧壁位于该第一杆体和该第二杆体的侧壁之间。
  7. 如权利要求4所述的摄影加长杆，其特征在于：该第一杆体和该抵接件之一的侧壁上开设有第一配合孔，该抵接件与该第一杆体中的另一个的侧壁上相应设置有楔形的凸块；该凸块收容在该第一配合孔内，使该第一杆体与该抵接件固定连接。
  8. 如权利要求4所述的摄影加长杆，其特征在于：该第二杆体和该抵持件之一上开设有第二配合孔，该抵持件与该第二杆体中的另一个上设置有凸起；该凸起收容在该第二配合孔内，使该抵持件与该第二杆体固定连接。
  9. 如权利要求4所述的摄影加长杆，其特征在于：该抵接件由与该第一杆体的圆弧柱状结构对应数目的圆弧柱状结构组成。
  10. 如权利要求2所述的摄影加长杆，其特征在于：该第一杆体的至少两个圆弧柱状结构之间形成有抵接部；该第二杆体的至少两个圆弧柱状结构之间形成有配合部；该第一杆体相对于该第二杆体沿该预定方向转动时，该抵接部与该配合部相抵持，使该第一杆体与该第二杆体相对锁紧。
  11. 如权利要求2所述的摄影加长杆，其特征在于：该第一杆体远离该第二杆体的一端设置有连接件，该摄影加长杆能够通过该连接件与脚架相连接。
  12. 如权利要求2所述的摄影加长杆，其特征在于：从该摄影加长杆上远离该第二杆体的一端向该第二杆体方向观测，该组成第一杆体的每段圆弧柱状结构的侧壁到所述摄影加长杆的中心轴线的距离逐渐增大。
  13. 如权利要求2所述的摄影加长杆，其特征在于：该第一杆体的周面上还设置有防滑件，该防滑件用于方便使用者握持该摄影加长杆。
  14. 如权利要求2所述的摄影加长杆，其特征在于：该摄影加长杆还包括挂载组件，该挂载组件设置在该第一杆体上。
  15. 一种拍摄装置，其包括如权利要求1-14中任一项所述的摄影加长杆以及连接于该摄影加长杆端部的拍摄元件。
  16. 如权利要求15所述的拍摄装置，其特征在于：该拍摄装置还包括云台及锁紧组件，该拍摄元件设置在该云台上，该云台通过该锁紧组件能够拆卸的连接于该摄影加长杆的末端杆体上。
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CN205173904U (zh) * 2015-11-10 2016-04-20 深圳市大疆创新科技有限公司 摄影加长杆及拍摄装置
CN108204494B (zh) * 2016-12-20 2019-07-16 深圳市德卡尔科技有限公司 手持云台
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