WO2022126680A1 - 便于调节的摄影三角架 - Google Patents
便于调节的摄影三角架 Download PDFInfo
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- WO2022126680A1 WO2022126680A1 PCT/CN2020/137953 CN2020137953W WO2022126680A1 WO 2022126680 A1 WO2022126680 A1 WO 2022126680A1 CN 2020137953 W CN2020137953 W CN 2020137953W WO 2022126680 A1 WO2022126680 A1 WO 2022126680A1
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- Prior art keywords
- telescopic
- adjust
- easy
- joystick
- seat
- Prior art date
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- 230000009471 action Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 4
- 208000002925 dental caries Diseases 0.000 claims description 3
- 235000012149 noodles Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- F16M11/32—Undercarriages for supports with three or more telescoping legs
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/105—Telescoping systems locking in discrete positions, e.g. in extreme extended position
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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
- G03B17/56—Accessories
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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
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/024—Locking means for rotational movement by positive interaction, e.g. male-female connections
Definitions
- the invention relates to a photographic tripod which is easy to adjust.
- the existing photographic equipment such as the Chinese invention patent application
- the publication number is CN103867863A
- a support tripod for photographing equipment which includes: a support; A support column; a plurality of legs, each leg having a body extending primarily along a longitudinal axis and rotatable about a hinge axis for movement between a closed configuration and at least one operative configuration in which the legs slide substantially parallel to the
- the axes are arranged so that in the operative configuration the legs are inclined at the desired opening angle relative to the sliding axis, each leg is provided with adjustment means for adjusting the angular position of the leg relative to the sliding axis up to the maximum opening angle
- the adjustment means include an adjustment head which can The adjustment head is actuated to rotate about the longitudinal axis of the leg and is provided with translation means that cooperate with corresponding translation counterparts defined on the leg to move the adjustment head relative to the leg along the longitudinal axis after rotation about the longitudinal axis, To vary the length
- FIG. 1 Another example: Chinese Patent, Publication No. CN209469981U, which discloses a support tripod for video recording or photographing equipment, including: a bracket; a post, provided with a member for coupling the video recording or photographing equipment; a plurality of legs, which are hinged The ends are hinged to the support for opening or closing the support tripod, each leg includes a body that rotates about an axis of rotation substantially perpendicular to the longitudinal axis, each leg is provided with an angular position for adjusting the leg relative to the sliding axis an adjustment device comprising a positioning device provided on the bracket and a locking device provided on the leg, the locking device being movable relative to the bracket to engage with the positioning device to lock the leg relative to the sliding axis in Desired angular position, locking means comprising actuating means provided at the hinged end, on the lateral surface of said leg transverse to the axis of rotation, and in translation along the longitudinal axis of the leg Movable to move the locking device relative to
- This type of tripod is used for photography and videography. Its telescopic structure is complex, and its operation convenience, support angle, and telescopic length adjustment accuracy and reliability are not good. In view of the above defects, we have comprehensively optimized the structure and principle of the tripod, and developed a photographic tripod that is easy to adjust.
- the technical problem to be solved by the purpose of the present invention is to provide a photographic tripod that is easy to adjust, which has strong versatility, stable and reliable structure, is convenient to quickly and accurately adjust the support angle and support height, the mechanism moves smoothly, and is extremely convenient to use; Therefore, it has superior performance in terms of technology, practicability and economy.
- the technical solution adopted by the present invention is to provide a photographic tripod that is easy to adjust, which includes:
- the supporting foot has a connecting part that is movably connected to the central seat and a supporting part that is relatively far away from the connecting part.
- An embedded angle adjustment device which has a movable inclined part embedded in the center seat and formed abutting fit with the center seat, the movable inclined part has a pressing operation surface, and the pressing operation surface pushes the locking part into or out of the center seat, so that the supporting feet are opposite to each other.
- the support angle of the center seat is changed.
- a point-by-point telescopic adjustment device comprising a telescopic joystick and an elastic locking portion connected to the telescopic joystick; the elastic locking portion is matched with a defined hole of a side wall of a housing, so that the elastic locking portion extends outward relative to the housing or retracted inward; the elastic locking portion is converted between the unlocked state and the locked state by the action of the telescopic joystick.
- the number of the limiting holes is plural, and they are arranged at intervals, so that the extension length of the telescopic joystick is limited point by point.
- the connecting portion provides a pivot for connecting the center seat, the connecting portion provides a guide portion for the movable inclined portion, and the guide portion is formed in the placement cavity.
- the telescopic joystick is provided in the inner casing, the telescopic joystick has a fulcrum, and the telescopic joystick forms a lever by means of the fulcrum.
- the support portion is connected to an operation key, and one end of the telescopic joystick is pressed by the operation key to make the elastic locking portion connected to the other end of the telescopic joystick disengage from the limiting hole to form an unlocked state.
- the inner shell provides a shaft hole for the support shaft, and the support shaft is movably matched with the shaft hole.
- the elastic locking portion includes a hole-embedding seat, a top-holding spring and a guide cylinder; the telescopic joystick provides an installation cavity for the hole-inserting seat, and the hole-inserting seat has a stepped shaft. , by means of the stepped shaft and the installation cavity, so that the telescopic joystick moves up and down with the telescopic joystick.
- the locking portion is embedded in the limiting cavity of the movable inclined portion, and the locking portion has a circular arc convex portion for limiting the position.
- a pressing return spring is provided between the telescopic joystick and the inner shell; the inner shell is sleeved in the outer shell; and the outer shell is connected to the connecting portion.
- the central seat provides a pivot hole for the connecting portion, a cavity is enlarged on one side of the pivot hole, and the pressing operation surface is a non-slip concave-convex surface.
- the center seat includes a seat body, a cover body and a positioning shaft, the seat body and the cover body are screwed and fixed, the positioning shaft has a tooth shaft section, and the cover body A tooth cavity is provided for mounting the pinion segment.
- the present invention has the following effects.
- the present invention adopts the above-mentioned solution, it has strong versatility, stable and reliable structure, is convenient to quickly and accurately adjust the support angle and support height, the mechanism moves smoothly, and is extremely convenient to use; therefore, it is technically, practical and economical. With superior performance.
- FIG. 1 is a schematic structural diagram of a photographic tripod that is easy to adjust according to an embodiment of the present invention.
- FIG. 2 is a partial cross-sectional structural schematic diagram of a photographic tripod that is easy to adjust according to an embodiment of the present invention.
- FIG. 3 is an enlarged view of the structure at A in FIG. 2 .
- FIG. 4 is a schematic diagram of an unfolded structure of a photographic tripod that is easy to adjust according to an embodiment of the present invention.
- FIG. 5 is an enlarged view of the structure at A in FIG. 4 .
- FIG. 6 is a schematic diagram of an unfolded structure of a photographic tripod that is easy to adjust according to an embodiment of the present invention from another viewing angle.
- connection described in the description and the mutual “connection” relationship of the components shown in the accompanying drawings can be understood as a fixed connection or a detachable connection or an integral connection; it can be directly connected or connected through an intermediate medium.
- connection relationship according to the specific situation, and can obtain that screwing or riveting or welding or clamping or splicing can be used for different embodiments in an appropriate manner.
- each component may be in direct contact or in contact with other features between them; for example, above may be directly above and obliquely above, or it just means higher than other things; other orientations can also be understood by analogy.
- the specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings in the specification to make the technical solutions of the present invention and its beneficial effects more clear and definite.
- the preferred embodiment of the present invention is a photographic tripod that is easy to adjust, which includes a support foot 1, a center seat 2, an embedded angle adjustment device 3, a point-by-point telescopic adjustment device 4 and a housing. 5, wherein, the support leg 1 has a connecting portion 11 that is movably connected to the center seat 2 and a support portion 12 that is relatively far from the connecting portion 11, and the embedded angle adjustment device 3 has a movable tilt that is embedded in the center seat 2 and forms a resisting fit with the center seat 2.
- the movable inclined part 31 has a pressing operation surface 311, the pressing operation surface 311 pushes the locking part 32 into or out of the center seat 2, so that the supporting angle of the support leg 1 relative to the center seat 2 is changed;
- the 31 is pressed and moved inward, the inclined surface is embedded in the cavity of the center seat 2 to resist, and by pushing or moving out, the adjustment is quick and a strong supporting surface and supporting angle are formed.
- the point-by-point telescopic adjustment device 4 includes a telescopic lever 41 and an elastic locking portion 42 connected to the telescopic lever 41 ; the elastic locking portion 42 is matched with a defined hole 51 of one side wall of the housing 5 so that the elastic locking portion 42 is opposite to each other.
- the elastic locking portion 42 is switched between the unlocked state and the locked state by the action of the telescopic operating rod 41 .
- the number of the limiting holes 51 is multiple, and they are arranged at intervals, so that the extension length of the telescopic joystick is limited point by point.
- the connecting portion 11 provides a pivot 112 for connecting the central base 2 , the connecting portion 11 provides a guide portion 113 for the movable inclined portion 31 , and the guide portion 112 is formed in the placement cavity 114 .
- the telescopic joystick 41 is arranged in the inner casing 6 , and the telescopic joystick 41 has a support shaft 411 , and the telescopic joystick 41 forms a lever by means of the support shaft 411 .
- An operation key 43 is connected to the support portion 12 , and the elastic locking portion 42 connected to the other end of the telescopic joystick 41 is released from the limiting hole by pressing the operation key 43 to compress one end of the telescopic joystick 41 to form an unlocked state.
- pressing the operation key 43 to disengage the elastic locking part 42 from unlocking can adjust the expansion or contraction, and the elastic locking part 42 is locked when it reaches the limiting hole 51 .
- the adjustment limit is telescopic point by point, and when the set length corresponds to the limit hole 51 , the elastic locking portion 42 is locked.
- the inner shell 6 provides a shaft hole 61 for the support shaft 411 , and the support shaft 411 is movably matched with the shaft hole 61 .
- the elastic locking portion 42 includes a socket seat 421, a top spring 422 and a guide cylinder 423; the telescopic control rod 41 provides a mounting cavity 412 for the socket socket 421, and the socket socket 421 has an outer surface of a stepped shaft.
- the stepped shaft cooperates with the installation cavity 412 so that the telescopic joystick 41 moves up and down with the telescopic joystick 41 .
- the locking portion 32 is inserted into the limiting cavity of the movable inclined portion 31 , and the locking portion 32 has a circular arc convex portion 321 for restraining, and the circular arc convex portion 321 enters the limiting through hole 115 on the connecting portion 11 for restraint .
- a pressing return spring 7 is arranged between the telescopic joystick 41 and the inner shell 6 ; the inner shell 6 is sleeved in the outer shell 5 ; the outer shell 5 is connected with the connecting portion 11 .
- the center seat 2 provides a pivot hole 21 for the connecting portion 11 , a cavity 22 is enlarged on one side of the pivot hole 21 , and the pressing operation surface is a non-slip concave-convex surface.
- the center seat 2 includes a seat body 23 , a cover body 24 and a positioning shaft 25 , the seat body 23 is screwed and fixed with the cover body 24 , the positioning shaft 25 has a tooth shaft section 251 , and the cover body 24 is provided with a tooth cavity 241 to install the pinion segment.
- the present invention has strong versatility, stable and reliable structure, facilitates quick and accurate adjustment of support angle and support height, smooth mechanism action, and extremely convenient use; therefore, it has superior performance in terms of technology, practicability and economy.
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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
一种便于调节的摄影三角架，包括：支脚（1），其具有活动连接中心座（2）的连接部（11）和相对远离于连接部（11）的支撑部（12），嵌入调角装置（3），其具有嵌入中心座（2）且与中心座（2）形成抵持配合的活动倾斜部（31），所述活动倾斜部（31）具有按压操作面（311），按压操作面（311）推进锁定部（32）向中心座（2）进入或移出，以使支脚（1）相对中心座（2）的支撑角度发生改变；逐点伸缩调节装置（4），其包括伸缩操纵杆（41）和连接于伸缩操纵杆（41）的弹性锁定部（42）；所述弹性锁定部（42）与外壳（5）的一个侧壁的限定孔（51）配合，以便使弹性锁定部（42）相对于外壳（5）向外延伸或向内收缩；所述弹性锁定部（42）受伸缩操纵杆（41）的动作在解锁状态和锁持状态之间转换；所述限定孔（51）数量为多个，它们间隔设置，从而使伸缩操纵杆（41）逐点限定延伸长度。
Description
本发明涉及一种便于调节的摄影三角架。
据市场调查和专利检索发现现有的摄影设备，如中国发明专申请，公开号是CN103867863A，其公开了一种用于摄影摄像设备的支承三脚架，它包括：支座；设有钩接装置的支承柱；多个腿，每条腿都有主要沿纵轴延伸且能绕铰接轴线转动的本体，以在闭拢构造和至少一个操作构造之间运动，在闭拢构造中腿基本平行于滑动轴线设置，在操作构造中腿相对于滑动轴线以期望的打开角度倾斜，每条腿都设置有调节装置用来调节腿相对于滑动轴线的角度位置直到最大打开角，调节装置包括调节头，能致动调节头绕腿的纵轴转动，并设有平移装置，平移装置与限定在腿上的对应的平移配对装置协作，以在绕纵轴转动之后使调节头沿纵轴相对于腿移动，以改变腿的长度以及铰接端和支座之间的干涉，以允许改变腿的最大打开角度，从而提供定位简单且稳固的三脚架。
又如：中国专利，公开号CN209469981U，其公开了一种用于录影或摄影设备的支撑三脚架，包括：支架；支柱，设置有用于耦接录影或摄影设备的构件；多个支腿，在铰接端部铰接至支架以便打开或闭合支撑三脚架，每个支腿包括本体，该本体围绕基本上垂直于纵向轴线的旋转轴线旋转，每个支腿设置有用于调整支腿相对于滑动轴线的角度位置的调整装置，该调整装置包括设置在支架上的定位装置和设置在支腿上的锁定装置，该锁定装置能够相对于支架移动，以与定位装置接合，以便将支腿相对于滑动轴线锁定在期望角度位置，锁定装置包括致动装置，该致动装置设置在铰接端部处，在相对于旋转轴线横向的所述支腿的侧向表面上，并且沿着支腿的纵向轴线以平移方式可移动，以使锁定装置相对于定位装置移动。
这类三脚架作为摄影摄像来使用，其伸缩结构复杂，操作便捷性、支撑角度及伸缩长短调节精度及可靠性欠佳，需要螺接、旋紧等一系统的操作，才能完成摄影摄像；为了克服上述缺陷，我们对三脚架的构造及原理进行了综合性的优化，研制了一种便于调节的摄影三角架。
本发明的目的所要解决的技术问题是要提供一种便于调节的摄影三角架，其通用性强、结构稳定可靠，便于快速精确地调节支撑角度和支撑高度、机构动作畅顺，使用极为方便；因此，它在技术性、实用性和经济性方面均具优越的性能。
为了实现上述目的，本发明采用的技术方案是提供一种便于调节的摄影三角架，它包括。
支脚，其具有活动连接中心座的连接部和相对远离于连接部的支撑部。
嵌入调角装置，其具有嵌入中心座且与中心座形成抵持配合的活动倾斜部，所述活动倾斜部具有按压操作面，按压操作面推进锁定部向中心座进入或移出，以使支脚相对中心座的支撑角度发生改变。
逐点伸缩调节装置，其包括伸缩操纵杆和连接于伸缩操纵杆的弹性锁定部；所述弹性锁定部与外壳的一个侧壁的限定孔配合，以便使弹性锁定部相对于外壳的向外延伸或向内收缩；所述弹性锁定部受伸缩操纵杆的动作在解锁状态和锁持状态之间转换。
所述限定孔数量为多个，它们间隔设置，从而使伸缩操纵杆逐点限定延伸长度。
于本发明的一个或多个实施例中，所述连接部为中心座连接提供枢轴，所述连接部为活动倾斜部提供导向部，所述导向部形成于放置腔内。
于本发明的一个或多个实施例中，所述伸缩操纵杆设于内壳内，所述伸缩操纵杆具有支轴，借助于支轴使伸缩操纵杆形成杠杆。
于本发明的一个或多个实施例中，所述支撑部连接操作键，借助于操作键按压以压迫伸缩操纵杆一端而使伸缩操纵杆另一端连接的弹性锁定部脱离限定孔形成解锁状态。
于本发明的一个或多个实施例中，所述内壳为所述支轴提供轴孔，所述支轴与轴孔活动配合。
于本发明的一个或多个实施例中，所述弹性锁定部包括嵌孔座、顶持弹簧和导向筒；所述伸缩操纵杆为所述嵌孔座提供安装腔，嵌孔座具有阶梯轴，借助于阶梯轴与安装腔配合以使伸缩操纵杆动作时随伸缩操纵杆上下。
于本发明的一个或多个实施例中，所述锁定部嵌入活动倾斜部的限位腔，所述锁定部具有用于限位的圆弧凸起部。
于本发明的一个或多个实施例中，所述伸缩操纵杆与内壳之间设有按压复位弹簧；所述内壳套设于所述外壳内；所述外壳与连接部相连接。
于本发明的一个或多个实施例中，所述中心座为所述连接部提供枢轴孔，所述枢轴孔一侧扩大腔，所述按压操作面为防滑凹凸面。
于本发明的一个或多个实施例中，所述中心座包括座体、盖体和定位轴，所述座体与盖体螺接固定，所述定位轴具有齿轴段，所述盖体设有齿腔以安装所述齿轴段。
本发明同背景技术相比存在的效果是。
由于本发明采用上述的方案，其通用性强、结构稳定可靠，便于快速精确地调节支撑角度和支撑高度、机构动作畅顺，使用极为方便；因此，它在技术性、实用性和经济性方面均具优越的性能。
图1为本发明的一个实施例中便于调节的摄影三角架的结构示意图。
图2为本发明的一个实施例中便于调节的摄影三角架的部分剖面结构示意图。
图3为图2中A处结构放大图。
图4为本发明的一个实施例中便于调节的摄影三角架的展开结构示意图。
图5为图4中A处结构放大图。
图6为本发明的一个实施例中便于调节的摄影三角架的在另一视角下的展开结构示意图。
本领域的技术人员可以从附图中所示出形状、构造并理解得出的方案，附图的各种部件不一定是按比例的，并且附图的各种部件和元件的尺寸可以进行放大或缩小，从而更清楚地说明本文描述的本发明的实施方案。
下面详细描述本发明的实施例，所述的实施例示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。
附图中所显示的方位不能理解为限制本发明的具体保护范围，仅供较佳实施例的参考理解，可以图中所示的产品部件进行位置的变化或数量增加或结构简化。
说明书中所述的“连接”及附图中所示出的部件相互“连接”关系，可以理解为固定地连接或可拆卸连接或形成一体的连接；可以是直接相连或通过中间媒介相连，本领域普通技术人员可以根据具体情况理解连接关系而可以得出螺接或铆接或焊接或卡接或嵌接等方式以适宜的方式进行不同实施方式替用。
说明书中所述的上、下、左、右、顶、底等方位词及附图中所示出方位，各部件可直接接触或通过它们之间的另外特征接触；如在上方可以为正上方和斜上方，或它仅表示高于其他物；其他方位也可作类推理解。下面结合说明书的附图，通过对本发明的具体实施方式作进一步的描述，使本发明的技术方案及其有益效果更加清楚、明确。
以下参考图1-6中所示出的描述具体的施例，然而，本领域的技术人员将容易地理解，本文相对于这些附图所给出的详细描述仅出于说明性目的，而不应被理解为是限制性的，如本发明提供较佳实施例是一种便于调节的摄影三角架，它包括支脚1、中心座2、嵌入调角装置3、逐点伸缩调节装置4和外壳5，其中，支脚1具有活动连接中心座2的连接部11和相对远离于连接部11的支撑部12， 嵌入调角装置3具有嵌入中心座2且与中心座2形成抵持配合的活动倾斜部31，所述活动倾斜部31具有按压操作面311，按压操作面311推进锁定部32向中心座2进入或移出，以使支脚1相对中心座2的支撑角度发生改变；操作时活动倾斜部31向按压后向内移动时，倾斜面嵌入到中心座2腔内抵持，通过推进或移出的方式，使调节快捷且形成有力的支撑面及支撑角度。
逐点伸缩调节装置4包括伸缩操纵杆41和连接于伸缩操纵杆41的弹性锁定部42；所述弹性锁定部42与外壳5的一个侧壁的限定孔51配合，以便使弹性锁定部42相对于外壳5的向外延伸或向内收缩；所述弹性锁定部42受伸缩操纵杆41的动作在解锁状态和锁持状态之间转换。
所述限定孔51数量为多个，它们间隔设置，从而使伸缩操纵杆逐点限定延伸长度，伸出长度受限于限定孔51，调节精度较高且使用便捷。
连接部11为中心座2连接提供枢轴112，所述连接部11为活动倾斜部31提供导向部113，所述导向部112形成于放置腔114内。
伸缩操纵杆41设于内壳6内，所述伸缩操纵杆41具有支轴411，借助于支轴411使伸缩操纵杆41形成杠杆。
在所述支撑部12连接操作键43，借助于操作键43按压以压迫伸缩操纵杆41一端而使伸缩操纵杆另一端连接的弹性锁定部42脱离限定孔形成解锁状态。调节伸缩时，按压操作键43使弹性锁定部42脱离解锁就可以进行伸或缩的调节，弹性锁定部42到达限定孔51时进入锁定。调节限位是逐点伸缩的，到达设定的长度相对应限定孔51时，弹性锁定部42进入锁定。
所述内壳6为所述支轴411提供轴孔61，所述支轴411与轴孔61活动配合。弹性锁定部42包括嵌孔座421、顶持弹簧422和导向筒423；所述伸缩操纵杆41为所述嵌孔座421提供安装腔412，嵌孔座421具有阶梯轴的外侧面，借助于阶梯轴与安装腔412配合以使伸缩操纵杆41动作时随伸缩操纵杆41上下。
锁定部32嵌入活动倾斜部31的限位腔，所述锁定部32具有用于限位的圆弧凸起部321，圆弧凸起部321进入连接部11上的限位通孔115限位。
伸缩操纵杆41与内壳6之间设有按压复位弹簧7；所述内壳6套设于所述外壳5内；所述外壳5与连接部11相连接。所述中心座2为所述连接部11提供枢轴孔21，所述枢轴孔21一侧扩大腔22，所述按压操作面为防滑凹凸面。
中心座2包括座体23、盖体24和定位轴25，所述座体23与盖体24螺接固定，所述定位轴25具有齿轴段251，所述盖体24设有齿腔241以安装所述齿轴段。
综合上述且一并结合所有附图，进一步描述一下使用过程。
当需要调节支撑角度时，按压嵌入调角装置3，向内推进或向外退出，使活动倾斜部31与中心座的倾斜面抵持配合来调节好角度，并可以通过圆弧凸起部321进入连接部11上的限位通孔115来限位。
当需要调节支撑高度时，按压操作键43使伸缩操纵杆41的另一端向上移动使弹性锁定部42解锁，伸缩到合适的高度后，弹性锁定部42配合限定孔51锁定高度。这样本发明的通用性强、结构稳定可靠，便于快速精确地调节支撑角度和支撑高度、机构动作畅顺，使用极为方便；因此，它在技术性、实用性和经济性方面均具优越的性能。
为了说明的目的，前述描述使用具体命名以提供对所述实施方案的彻底理解。然而，对于本领域的技术人员而言将显而易见的是，不需要具体细节，以便实践所述实施方案。所属技术领域的技术人员应当理解，而本发明不局限于上述的具体实施方式，在本发明基础上采用本领域公知技术的改进和替代均落在本发明的保护范围，应由各权利要求限定之。
Claims (10)
- 一种便于调节的摄影三角架，其特征在于，它包括：支脚，其具有活动连接中心座的连接部和相对远离于端的支撑部；逐点伸缩调节装置，其包括伸缩操纵杆和连接于伸缩操纵杆的弹性锁定部；所述弹性锁定部与外壳的一个侧壁的限定孔配合，以便使弹性锁定部相对于外壳的向外延伸或向内收缩；所述弹性锁定部受伸缩操纵杆的动作在解锁状态和锁持状态之间转换；所述限定孔数量为多个，它们间隔设置，从而使伸缩操纵杆逐点限定延伸长度。
- 根据权利要求1所述的便于调节的摄影三角架，其特征在于，它还包括：嵌入调角装置，其具有嵌入中心座且与中心座形成抵持配合的活动倾斜部，所述活动倾斜部具有按压操作面，按压操作面推进锁定部向中心座进入或移出，以使支脚相对中心座的支撑角度发生改变；所述连接部为中心座连接提供枢轴，所述连接部为活动倾斜部提供导向部，所述导向部形成于放置腔内。
- 根据权利要求2所述所述的便于调节的摄影三角架，其特征在于：所述伸缩操纵杆设于内壳内，所述伸缩操纵杆具有支轴，借助于支轴使伸缩操纵杆形成杠杆。
- 根据权利要求1-3任一项所述的便于调节的摄影三角架，其特征在于：所述支撑部连接操作键，借助于操作键按压以压迫伸缩操纵杆一端而使伸缩操纵杆另一端连接的弹性锁定部脱离限定孔形成解锁状态。
- 根据权利要求4所述的便于调节的摄影三角架，其特征在于：所述内壳为所述支轴提供轴孔，所述支轴与轴孔活动配合。
- 根据权利要求5所述的便于调节的摄影三角架，其特征在于：所述弹性锁定部包括嵌孔座、顶持弹簧和导向筒；所述伸缩操纵杆为所述嵌孔座提供安装腔，嵌孔座具有阶梯轴，借助于阶梯轴与安装腔配合以使伸缩操纵杆动作时随伸缩操纵杆上下。
- 根据权利要求6所述的便于调节的摄影三角架，其特征在于：所述锁定部嵌入活动倾斜部的限位腔，所述锁定部具有用于限位的圆弧凸起部。
- 根据权利要求7所述的便于调节的摄影三角架，其特征在于：所述伸缩操纵杆与内壳之间设有按压复位弹簧；所述内壳套设于所述外壳内；所述外壳与连接部相连接。
- 根据权利要求8所述的便于调节的摄影三角架，其特征在于：所述中心座为所述连接部提供枢轴孔，所述枢轴孔一侧扩大腔，所述按压操作面为防滑凹凸面。
- 根据权利要求9所述的便于调节的摄影三角架，其特征在于：所述中心座包括座体、盖体和定位轴，所述座体与盖体螺接固定，所述定位轴具有齿轴段，所述盖体设有齿腔以安装所述齿轴段。
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| JP2003057741A (ja) * | 2001-08-16 | 2003-02-26 | Mamiya Op Co Ltd | 三脚の開脚ロック装置 |
| CN2618032Y (zh) * | 2003-04-28 | 2004-05-26 | 沈伟宏 | 分段定位式脚架 |
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