WO2018161406A1 - 一种螺旋桨快速装拆结构及无人飞行器 - Google Patents

一种螺旋桨快速装拆结构及无人飞行器 Download PDF

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Publication number
WO2018161406A1
WO2018161406A1 PCT/CN2017/080292 CN2017080292W WO2018161406A1 WO 2018161406 A1 WO2018161406 A1 WO 2018161406A1 CN 2017080292 W CN2017080292 W CN 2017080292W WO 2018161406 A1 WO2018161406 A1 WO 2018161406A1
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WIPO (PCT)
Prior art keywords
positioning
propeller
dismounting
positioning hole
elastic
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Ceased
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PCT/CN2017/080292
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English (en)
French (fr)
Inventor
李印波
冯涛
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Goertek Techology Co Ltd
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Goertek Techology Co Ltd
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Publication date
Application filed by Goertek Techology Co Ltd filed Critical Goertek Techology Co Ltd
Publication of WO2018161406A1 publication Critical patent/WO2018161406A1/zh
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/32Rotors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U30/00Means for producing lift; Empennages; Arrangements thereof
    • B64U30/20Rotors; Rotor supports
    • B64U30/29Constructional aspects of rotors or rotor supports; Arrangements thereof
    • B64U30/291Detachable rotors or rotor supports
    • B64U30/292Rotors or rotor supports specially adapted for quick release

Definitions

  • the elastic member is configured to provide an elastic force to the positioning member to move the positioning member in a direction toward or away from the positioning hole;
  • the lower positioning slot includes a lower arc segment
  • the top seat is provided with a support column
  • the propeller body is provided with a support sleeve, and the support column cooperates with the support sleeve.
  • the positioning component further includes a supporting elastic piece, and the supporting elastic piece is connected to the top seat;
  • the elastic support portion cooperates with the mating portion to support the propeller body.
  • the inventors of the present invention have found that in the prior art, there is a problem that the propeller is inconvenient to assemble and disassemble. Therefore, the technical task to be achieved by the present invention or the technical problem to be solved is not thought of or expected by those skilled in the art, so the present invention is a new technical solution.
  • the quick assembly and disassembly structure of the propeller of the invention is quick and convenient to assemble and disassemble, and is beneficial to improving the convenience of use of the small aircraft.
  • FIG. 1 is a schematic exploded view of a propeller quick assembly and disassembly structure and an unmanned aerial vehicle embodiment of the present invention.
  • Fig. 3 is a partial enlarged view of Fig. 2;
  • FIG. 4 is a schematic structural view of an embodiment of a propeller body of a propeller quick assembly and disassembly structure according to the present invention.
  • FIG. 5 is a schematic structural view of an embodiment of a positioning assembly of a propeller quick assembly and disassembly structure according to the present invention.
  • FIG. 6 is a schematic structural view of an embodiment of a positioning member for a quick assembly and disassembly structure of a propeller according to the present invention.
  • FIG. 7 is a schematic structural view of a base embodiment of a propeller quick assembly and disassembly structure according to the present invention.
  • FIG. 8 is a schematic structural view of a top seat embodiment of a propeller quick assembly and disassembly structure according to the present invention.
  • FIG. 9 is a schematic structural view of an embodiment of an unmanned aerial vehicle of the present invention.
  • the present invention provides a propeller quick assembly and disassembly structure.
  • the propeller quick-release structure includes a propeller 1 and a positioning assembly, wherein the propeller 1 includes a propeller body 11 and a paddle 12.
  • the paddle 12 is coupled to the propeller body 11.
  • the positioning portion 21 is separated from the positioning hole 111, and at this time, the propeller 1 can be separated from the positioning assembly, so that the propeller 1 can be detached.
  • the positioning portion 21 is separated from the positioning hole 111 from the propeller dismounting surface 1111, it can optionally slide along the inner wall of the propeller body 11 to leave the propeller 1.
  • the propeller removal surface 1111 may be, for example, a sloped surface to facilitate the positioning portion 21 to exit the positioning hole 111.
  • the inclined surface optionally extends along a direction in which the positioning portion 21 leaves the positioning hole 111.
  • the positioning member 2 of the propeller quick-release structure of the present invention can be moved by the elastic force of the elastic member 3.
  • the positioning portion 21 is engaged with the positioning hole 111 on the propeller body 11, and at this time, the propeller 1 is fixed to the positioning assembly, and the blade 12 is rotatable.
  • the dismounting mode the positioning portion 21 is separated from the positioning hole 111 of the propeller body 11, and the propeller 1 can be detached from the positioning assembly.
  • the quick assembly and disassembly structure of the propeller of the invention is quick and convenient to assemble and disassemble, and is beneficial to improving the convenience of use of the small aircraft.
  • the propeller body 11 is further provided with a dismounting slide 112, and the dismounting chute 112 is connected to the propeller dismounting surface 1111.
  • the connection between the dismounting chute 112 and the propeller dismounting surface 1111 is a smooth transition, and the extending direction of the dismounting chute 112 is a direction opposite to the rotating direction of the propeller 1.
  • the positioning portion 21 can enter the dismounting slide 112 and can be separated from the propeller body 11 from the dismounting slide 112 .
  • the positioning portion 21 is slidably engaged with the detaching slide 112.
  • One end of the dismounting slide 112 away from the positioning hole 111 is provided with a disengagement portion 1121 , and the disengagement portion 1121 is provided for the positioning portion 21 to move away from the dismounting slide 112 .
  • the detachment portion 1121 can be implemented in a variety of ways.
  • the detaching portion 1121 is the end of the detaching slide 112, and the end is the portion with the smallest depth of the detaching slide 112.
  • the detaching slide 112 can be slid out from the detaching portion 1121, thereby making the propeller 1 is separated from the positioning component.
  • the detaching portion 1121 is a guiding groove extending in a direction perpendicular to the sliding direction of the positioning portion 21 in the detaching slide 112, and the positioning portion 21 is slidable in the detaching slide 112 to the detaching portion 1121.
  • the detachment slide 112 is separated from the detachment portion 1121, thereby separating the propeller from the positioning assembly.
  • the positioning portion 21 enters the detaching slide 112 from the propeller removal surface 1111.
  • the positioning portion 21 slides in the detaching chute 112, and is separated from the propeller body 11 from the detaching portion 1121 of the detaching chute 112.
  • the arrangement of the dismounting slides 112 is advantageous for further improving the convenience of the quick-release structure of the propeller of the present invention.
  • the positioning member 2 is provided with an elastic member positioning hole 22.
  • the elastic member 3 is a spring, and one end of the spring is located in the elastic member positioning hole 22.
  • the spring described above can be, for example, a compression spring.
  • the elastic member 3 may be coupled to the elastic member positioning hole 22 by welding or the like.
  • the elastic member 3 and the elastic member positioning hole 22 are not connected together, and only the end portion of the elastic member 3 is in contact with the elastic member positioning hole 22.
  • the inner edge of the positioning hole 111 is further provided with a propeller dismounting limit portion 1112.
  • the propeller disassembly limiting portion 1112 is provided to limit the position of the positioning portion 21 from the propeller dismounting surface 1111 away from the positioning hole 111.
  • the propeller disassembly limiting portion 1112 can be implemented in a variety of ways.
  • the propeller disassembly limiting portion 1112 is a boss extending from the surface of the propeller dismounting surface 1111 toward the positioning member 2.
  • the bosses may be located at both ends in the width direction of the propeller dismounting surface 1111.
  • the propeller 1 is lifted or pressed, so that the propeller disassembly limiting portion 1112 is offset from the positioning portion 21 of the positioning member 2, so that the positioning portion 21 is opposite to the propeller dismounting surface 1111, so that the positioning portion 21 can be detached from the propeller
  • the face 1111 leaves the positioning hole 111.
  • the propeller dismounting limit portion 1112 can limit the positioning portion 21 to prevent the positioning portion 21 from entering the propeller dismounting surface 1111 uncontrolled.
  • the limit between the propeller disassembly limiting portion 1112 and the positioning portion 21 can be achieved by the propeller disassembly limiting portion 1112 being offset from the positioning portion 21 or the like.
  • the positioning assembly further includes a base 4.
  • the base 4 can be mounted by bolting or welding The power source of a small aircraft.
  • the positioning member 2 is provided with a sliding portion 23 which is slidably engaged with the lower positioning groove 41 to move the positioning member 2 in a direction approaching or away from the positioning hole 111.
  • the sliding portion 23 may be an outer surface of the positioning member 2 corresponding to the lower positioning groove 41, or the sliding portion 23 may be a structure such as a protrusion on the outer surface of the positioning member 2 corresponding to the lower positioning group groove 41.
  • the arrangement of the base 4 facilitates more convenient mounting of the positioning assembly on the power source.
  • the arrangement of the lower positioning groove 41 and the sliding portion 23 is advantageous for increasing the flexibility of the movement of the positioning member 2.
  • the lower positioning groove 41 includes a lower curved section 411.
  • the shape of the sliding portion 23 matches the shape of the lower curved portion 411.
  • the sliding portion 23 is movable along the lower curved portion 411, thereby causing the positioning member 2 to move in a direction approaching or away from the positioning hole 111.
  • the positioning assembly further includes a top seat 5 and a connecting member 6, and the connecting member 6 is provided for connecting the base 4 and the top seat 5.
  • the top seat 5 is provided with an upper positioning groove 51.
  • the upper positioning groove 51 is disposed corresponding to the lower positioning groove 41, and the sliding portion 23 is slidably engaged with the upper positioning groove 51. That is, the sliding portion 23 is slidably engaged with the upper positioning groove 51 and the lower positioning groove 41.
  • the upper positioning groove 51 and the lower positioning groove 41 may together constitute an annular structure, and the sliding portion 23 is slidably engaged with the annular structure.
  • the shape of the upper positioning groove 51 may be the same as the shape of the lower positioning groove 41. That is, the upper positioning groove 51 and the lower positioning groove 41 are mirror-symmetrical.
  • the upper positioning groove 51 may include an upper curved segment 511, and the upper curved segment 511 and the lower curved segment 411 may constitute an annular hole, and the sliding portion 23 may be an annular convex disposed on the outer surface of the positioning member 2. The sliding portion 23 is slidably engaged with the annular hole.
  • top seat 5 is provided with a support column 52.
  • the propeller body 11 is provided with a support sleeve 113 which cooperates with the support sleeve 113 such that the positioning assembly supports the propeller 1.
  • the elastic support portion 71 and the fitting portion 114 can be realized in various ways.
  • the elastic supporting portion 71 is a flange on the supporting elastic piece 7, and the fitting portion 114 is a groove on the propeller body 11.
  • the elastic supporting portion 71 is a resilient arm extending from the supporting elastic piece 7 toward the propeller 1
  • the engaging portion 114 is a boss on the propeller body 11 .
  • the elastic supporting portion 71 is provided to the propeller 1 by the cooperation of the elastic arm and the boss. The elastic force toward the propeller 1 direction.
  • the propeller 1 includes a propeller body 11 and a paddle 12, and the propeller body 11 has a tubular structure.
  • Two positioning holes 111 are defined in the side wall of the propeller body 11, and the inner edge of the positioning hole 111 is provided with a propeller dismounting surface 1111.
  • the propeller dismounting surface 1111 is a sloped surface, and the opening of the positioning hole 111 on the outer surface of the side wall of the propeller body 11 is larger than the opening of the positioning hole 111 on the inner surface of the side wall of the propeller body 11.
  • the inner surface of the side wall of the propeller body 11 is further provided with a support sleeve 113 and two dismounting slides 112. And two mating portions 114.
  • the two dismounting slides 112 are respectively connected to the propeller dismounting faces 1111 of the two positioning holes 111.
  • the connection between the dismounting slide 112 and the propeller dismounting surface 1111 is a smooth transition, and the extending direction of the dismounting chute 112 is a direction opposite to the rotating direction of the propeller 1.
  • the depth of the detaching slide 112 gradually decreases in a direction away from the positioning hole 111, and the end of the detaching slide 112 smoothly transitions with the inner surface of the side wall of the propeller body 11.
  • the fitting portion 114 is a projection on the inner surface of the side wall of the propeller body 11.
  • the positioning assembly includes a positioning member 2, an elastic member 3, a base 4, a top seat 5, a connecting member 6, and a supporting elastic piece 7.
  • the positioning member 2 and the elastic member 3 comprise two sleeves, and the positioning member 2 is provided with an elastic member positioning hole 22, and one end of the elastic member 3 is located in the elastic member positioning hole 22.
  • the elastic member 3 is a compression spring, and the elastic member 3 can supply the positioning member 2 with an elastic force to move the positioning member 2 in a direction approaching or away from the positioning hole 111.
  • the positioning member 2 includes a positioning portion 21 and a sliding portion 23.
  • the positioning portion 21 is provided with a chamfered surface 211
  • the sliding portion 23 is a circumferential projection on the outer surface of the positioning member 2.
  • the chamfered surface 211 extends in the downward direction, that is, the height of the positioning portion 21 gradually decreases in the downward direction.
  • the above “downward” means the direction away from the propeller 1.
  • the base 4 is provided with a lower positioning groove 41, and the top seat 5 is provided with an upper positioning groove 51.
  • the lower positioning groove 41 and the upper positioning groove 51 are correspondingly arranged, and the two together constitute an annular structure for limiting the positioning member 2, and the elastic member 3 is also located in the annular structure.
  • the lower positioning groove 41 includes a lower arcuate section 411, and the upper positioning groove 51 includes an upper arcuate section 511, and the lower arcuate section 411 and the upper arcuate section 511 constitute an annular hole, and the sliding portion 23 is slidably engaged with the annular hole.
  • the sliding stroke of the sliding portion 23 in the annular hole is the moving stroke of the positioning member 2.
  • the top seat 5 is provided with a support column 52, and the support column 52 is matched with the support sleeve 113.
  • the connecting member 6 is a bolt which passes through the base 4, the top seat 5 and the supporting elastic piece 7, and fixes the base 4, the top seat 5 and the supporting elastic piece 7 to the power source of the small aircraft.
  • the supporting elastic piece 7 includes an elastic supporting portion 71 that cooperates with the fitting portion 114 to support the propeller body 11.
  • the positioning member 2 has an operation mode and a disassembly mode.
  • the positioning portion 21 cooperates with the positioning hole 111 to fix the propeller 1 to the positioning assembly. In this way, the positioning assembly can transmit power to the propeller 1.
  • the positioning portion 21 of the positioning member 2 is separated from the positioning hole 111 from the propeller dismounting surface 1111, at which time the amount of compression of the elastic member 3 is the largest.
  • the positioning portion 21 is separated from the positioning hole 111 and then enters the detaching slide 112.
  • the positioning portion 21 slides along the detaching slide 112 and slides out of the detaching slide 112 from the end of the detaching slide 112.
  • the propeller 1 can be removed from the positioning assembly.
  • the extending direction of the detaching slide 112 is a counterclockwise direction.
  • the propeller 1 and the positioning assembly are assembled together, the propeller 1 is placed on the positioning assembly, and then the propeller 1 is applied with a force perpendicular to its direction of rotation, which is transmitted from the propeller 1 to the positioning member 2,
  • the positioning member 2 squeezes the elastic member 3 so that the positioning portion 21 enters the positioning hole 111.
  • the positioning member 2 is moved by the elastic force of the elastic member 3 toward the positioning hole 111, so that the propeller 1 and the positioning assembly are reliably assembled.
  • the present invention also provides an unmanned aerial vehicle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Motor Power Transmission Devices (AREA)
  • Automatic Assembly (AREA)

Abstract

一种螺旋桨快速装拆结构,包括螺旋桨(1)和定位组件,其中,螺旋桨包括螺旋桨主体(11)和桨叶(12);螺旋桨主体上设有定位孔(111),定位孔的内沿设有螺旋桨拆卸面(1111);定位组件包括定位件(2)和弹性件(3),定位件包括定位部(21);定位件具有工作模式和拆卸模式;在工作模式下,定位部与定位孔相配合;在拆卸模式下,定位件沿着远离定位孔的方向移动。还披露了一种采用该螺旋桨快速装拆结构的无人飞行器。

Description

一种螺旋桨快速装拆结构及无人飞行器 技术领域
本发明涉及快速装拆结构领域,更具体地,涉及一种螺旋桨快速装拆结构及无人飞行器。
背景技术
随着小型飞行器特别是无人飞行器技术的快速发展,人们对小型飞行器提出了越来越高的要求。
螺旋桨作为小型飞行器重要的组成部分,其占据着整个飞行器较大的空间。现有的螺旋桨与飞行器的马达的固定方式一般采用螺纹配合的方式实现,或者是使用螺钉将螺旋桨与马达固定的方式实现。
但是,现有的螺旋桨与马达的固定方式拆装较为不便,大大影响了用户体验和使用的便捷性。
发明内容
本发明的一个目的是提供一种螺旋桨快速装拆结构的新技术方案。
根据本发明的第一方面,提供了一种螺旋桨快速装拆结构。
该螺旋桨快速装拆结构包括螺旋桨和定位组件,其中,
所述螺旋桨包括螺旋桨主体和桨叶;
所述螺旋桨主体上设有定位孔,所述定位孔的内沿设有螺旋桨拆卸面;
所述定位组件包括定位件和弹性件,所述定位件包括定位部;
所述弹性件被设置为用于提供给所述定位件弹性力,以使得所述定位件沿着靠近或远离所述定位孔的方向移动;
所述定位件具有工作模式和拆卸模式;
在所述工作模式下,所述定位部与所述定位孔相配合,以固定所述螺旋桨;
在所述拆卸模式下,所述定位件沿着远离所述定位孔的方向移动,以使得所述定位部自所述螺旋桨拆卸面离开所述定位孔。
可选地,所述螺旋桨主体上还设有拆卸滑道,所述拆卸滑道与所述螺旋桨拆卸面相连接;
所述拆卸滑道的深度沿着远离所述定位孔的方向逐渐减小;
所述拆卸滑道远离所述定位孔的一端设有脱离部,所述脱离部被设置为用于所述定位部离开所述拆卸滑道;
在所述拆卸模式下,所述定位部自所述螺旋桨拆卸面进入所述拆卸滑道。
可选地,所述定位件上设有弹性件定位孔;
所述弹性件为弹簧,所述弹簧的一端位于所述弹性件定位孔中。
可选地,所述定位孔的内沿还设有螺旋桨拆卸限位部,所述螺旋桨拆卸限位部被设置为用于对所述定位部自所述螺旋桨拆卸面离开所述定位孔的位置进行限位。
可选地,所述定位组件还包括底座;
所述底座上设有下定位槽;
所述定位件上设有滑动部,所述滑动部与所述下定位槽滑动配合,以使得所述定位件沿着靠近或远离所述定位孔的方向移动。
可选地,所述下定位槽包括下弧形段;
所述滑动部的形状与所述下弧形段的形状相匹配。
可选地,所述定位组件还包括顶座和连接件,所述连接件被设置为用于连接所述底座和所述顶座;
所述顶座上设有上定位槽;
所述上定位槽与所述下定位槽对应设置,所述滑动部与所述上定位槽滑动配合。
可选地,所述顶座上设有支撑柱;
所述螺旋桨主体上设有支撑套,所述支撑柱与所述支撑套相配合。
可选地,所述定位组件还包括支撑弹片,所述支撑弹片与所述顶座相连接;
所述支撑弹片包括弹性支撑部;
所述螺旋桨主体上设有配合部;
所述弹性支撑部与所述配合部相配合,以支撑所述螺旋桨主体。
根据本发明的第二方面,提供了一种无人飞行器。
该无人飞行器驱动马达和本发明的螺旋桨快速装拆结构,其中,
所述定位组件安装在所述驱动马达上。
本发明的发明人发现,在现有技术中,确实存在螺旋桨装拆不便的问题。因此,本发明所要实现的技术任务或者所要解决的技术问题是本领域技术人员从未想到的或者没有预期到的,故本发明是一种新的技术方案。
本发明的螺旋桨快速装拆结构的定位件可在弹性件的弹性力作用下移动,定位件在工作模式下,定位部与螺旋桨主体上的定位孔相配合,此时螺旋桨被固定在定位组件上,桨叶可旋转;定位件在拆卸模式下,定位部离开螺旋桨主体的定位孔,此时螺旋桨可自定位组件上拆卸下来。
本发明的螺旋桨快速装拆结构装拆快速方便,有利于提高小型飞行器的使用便捷性。
通过以下参照附图对本发明的示例性实施例的详细描述,本发明的其它特征及其优点将会变得清楚。
附图说明
被结合在说明书中并构成说明书的一部分的附图示出了本发明的实施例,并且连同其说明一起用于解释本发明的原理。
图1为本发明螺旋桨快速装拆结构和无人飞行器实施例的爆炸示意图。
图2为本发明螺旋桨快速装拆结构的螺旋桨实施例的结构示意图。
图3为图2的局部放大图。
图4为本发明螺旋桨快速装拆结构的螺旋桨主体实施例的结构示意图。
图5为本发明螺旋桨快速装拆结构的定位组件实施例的结构示意图。
图6为本发明螺旋桨快速装拆结构的定位件实施例的结构示意图。
图7为本发明螺旋桨快速装拆结构的底座实施例的结构示意图。
图8为本发明螺旋桨快速装拆结构的顶座实施例的结构示意图。
图9为本发明无人飞行器实施例的结构示意图。
图中标示如下:
螺旋桨-1,螺旋桨主体-11,定位孔-111,螺旋桨拆卸面-1111,螺旋桨拆卸限位部-1112,拆卸滑道-112,脱离部-1121,支撑套-113,配合部-114,桨叶-12,定位件-2,定位部-21,斜切面-211,弹性件定位孔-22,滑动部-23,弹性件-3,底座-4,下定位槽-41,下弧形段-411,顶座-5,上定位槽-51,上弧形段-511,支撑柱-52,连接件-6,支撑弹片-7,弹性支撑部-71,驱动马达-8。
具体实施方式
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到:除非另外具体说明,否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
以下对至少一个示例性实施例的描述实际上仅仅是说明性的,决不作为对本发明及其应用或使用的任何限制。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论,但在适当情况下,所述技术、方法和设备应当被视为说明书的一部分。
在这里示出和讨论的所有例子中,任何具体值应被解释为仅仅是示例性的,而不是作为限制。因此,示例性实施例的其它例子可以具有不同的值。
应注意到:相似的标号和字母在下面的附图中表示类似项,因此,一旦某一项在一个附图中被定义,则在随后的附图中不需要对其进行进一步讨论。
为了解决螺旋桨装拆不便的问题,本发明提供了一种螺旋桨快速装拆结构。
如图1至图8所示,该螺旋桨快速装拆结构包括螺旋桨1和定位组件,其中,螺旋桨1包括螺旋桨主体11和桨叶12。桨叶12与螺旋桨主体11相连接。
螺旋桨主体11上设有定位孔111,定位孔111的内沿设有螺旋桨拆卸 面1111。螺旋桨拆卸面1111被设置为用于拆卸螺旋桨1。
定位组件包括定位件2和弹性件3,定位件2包括定位部21。定位件2用于固定螺旋桨1。定位组件可通过结构配合等方式安装在小型飞行器的动力源上,上述动力源可例如为电机等。
定位部21上可设有斜切面211。该斜切面211的设置有利于更方便地将螺旋桨1和定位组件组装到一起时,使得定位部21更便捷地进入定位孔111。此外,斜切面211的设置还利于增加定位部21与定位孔111之间的结合力,防止定位部21与定位孔111相配合时不受控地离开定位孔111。
弹性件3被设置为用于提供给定位件2弹性力,以使得定位件2沿着靠近或远离定位孔111的方向移动。弹性件3可通过弹簧或弹片或弹臂等结构实现。弹性件3与定位件2之间的位置关系或连接关系可根据实际需求选择。例如,弹性件3可与定位件2通过焊接等固定连接方式连接在一起。或者,弹性件3的一端可与定位件2相抵,以使得弹性件3提供给定位件2弹性力。
本领域技术人员可容易想到,定位件2和弹性件3的数量可根据实际需求设置,例如,设有一套定位件2和弹性件3,或者,设有两套定位件2和弹性件3,或者,设有更多的定位件2和弹性件3。定位孔111的数量通常与定位件2的数量相对应。当定位件2和弹性件3为两套时,可选地,两套定位件2和弹性件3镜像对称。
定位件2具有工作模式和拆卸模式。
在工作模式下,定位部21与定位孔111相配合,以固定螺旋桨1。定位部21与定位孔111之间的配合可使得定位件2与螺旋桨主体11连接在一起,从而将螺旋桨1固定在定位组件上。这样,定位组件可将动力传递至螺旋桨1,使得螺旋桨1旋转。
在工作模式下,螺旋桨1可在小型飞行器的动力源的驱动下旋转。螺旋桨1旋转时,定位部21位于定位孔111内,定位部21将动力传递至定位孔111内沿与螺旋桨拆卸面1111相对的表面上,从而推动螺旋桨1旋转。
在拆卸模式下,定位件2沿着远离定位孔111的方向移动,以使得定位部21自螺旋桨拆卸面1111离开定位孔111。
在拆卸模式下,定位部21与定位孔111相分离,此时螺旋桨1可与定位组件分离,从而可拆卸螺旋桨1。定位部21自螺旋桨拆卸面1111离开定位孔111后,可选地可沿着螺旋桨主体11的内壁滑动,从而离开螺旋桨1。螺旋桨拆卸面1111可例如为斜面,以方便定位部21离开定位孔111。上述斜面可选地沿着定位部21离开定位孔111的方向延伸。
本发明的螺旋桨快速装拆结构的定位件2可在弹性件3的弹性力作用下移动。定位件2在工作模式下,定位部21与螺旋桨主体11上的定位孔111相配合,此时螺旋桨1被固定在定位组件上,桨叶12可转动。定位件2在拆卸模式下,定位部21离开螺旋桨主体11的定位孔111,此时螺旋桨1可自定位组件上拆卸下来。
本发明的螺旋桨快速装拆结构装拆快速方便,有利于提高小型飞行器的使用便捷性。
如图4所示,在本发明螺旋桨快速装拆结构的一个实施例中,螺旋桨主体11上还设有拆卸滑道112,拆卸滑道112与螺旋桨拆卸面1111相连接。通常,拆卸滑道112与螺旋桨拆卸面1111之间的连接处为平滑过渡,拆卸滑道112的延伸方向为与螺旋桨1的旋转方向相反的方向。定位部21自螺旋桨拆卸面1111离开定位孔111后,可进入拆卸滑道112,并可自拆卸滑道112离开螺旋桨主体11。可选地,定位部21与拆卸滑道112滑动配合。
拆卸滑道112的深度沿着远离定位孔111的方向逐渐减小。
拆卸滑道112远离定位孔111的一端设有脱离部1121,脱离部1121被设置为用于定位部21离开拆卸滑道112。
脱离部1121可通过多种方式实现。例如,脱离部1121为拆卸滑道112的末端,该末端为拆卸滑道112深度最小的部分,当定位部21进入脱离部1121时,可自脱离部1121滑出拆卸滑道112,从而使得螺旋桨1与定位组件相分离。或者,脱离部1121为导向槽,该导向槽沿着与定位部21在拆卸滑道112内的滑动方向相垂直的方向延伸,定位部21在拆卸滑道112内滑动至脱离部1121时,可自脱离部1121离开拆卸滑道112,从而使得螺旋桨与定位组件相分离。
在拆卸模式下,定位部21自螺旋桨拆卸面1111进入拆卸滑道112。定位部21在拆卸滑道112内滑动,自拆卸滑道112的脱离部1121离开螺旋桨主体11。
拆卸滑道112的设置有利于进一步地提高本发明的螺旋桨快速装拆结构装拆使用的便捷性。
在本发明螺旋桨快速装拆结构的另一个实施例中,定位件2上设有弹性件定位孔22。弹性件3为弹簧,弹簧的一端位于弹性件定位孔22中。上述弹簧可例如为压缩弹簧。
在该实施例中,弹性件3可与弹性件定位孔22通过焊接等方式连接在一起。或者,弹性件3与弹性件定位孔22之间未连接在一起,仅弹性件3的端部与弹性件定位孔22相接触。
在本发明螺旋桨快速装拆结构的又一个实施例中,如图2和图3所示,定位孔111的内沿还设有螺旋桨拆卸限位部1112。螺旋桨拆卸限位部1112被设置为用于对定位部21自螺旋桨拆卸面1111离开定位孔111的位置进行限位。
螺旋桨拆卸限位部1112可通过多种方式实现。例如,螺旋桨拆卸限位部1112为自螺旋桨拆卸面1111的表面朝向定位件2的方向延伸的凸台。该凸台可位于螺旋桨拆卸面1111的宽度方向上的两端。使用时,将螺旋桨1上提或下压,使得螺旋桨拆卸限位部1112与定位件2的定位部21相错开,从而定位部21与螺旋桨拆卸面1111相对,这样,定位部21可自螺旋桨拆卸面1111离开定位孔111。
当螺旋桨1工作时,螺旋桨拆卸限位部1112可对定位部21限位,以防止定位部21不受控地进入螺旋桨拆卸面1111。螺旋桨拆卸限位部1112与定位部21之间的限位可通过螺旋桨拆卸限位部1112与定位部21相抵等方式实现。
拆卸螺旋桨1时,需要对螺旋桨1施力或对定位件2施力,使得定位部21与螺旋桨拆卸限位部1112错开或分离后,定位部21才能自螺旋桨拆卸面1111离开定位孔111。在本发明螺旋桨快速装拆结构的再一个实施例中,定位组件还包括底座4。底座4可通过螺栓连接或焊接等方式安装在 小型飞行器的动力源上。
底座4上设有下定位槽41。下定位槽41的形状可根据实际需求设置,例如,下定位槽41可为矩形槽或者弧形槽等。
定位件2上设有滑动部23,滑动部23与下定位槽41滑动配合,以使得定位件2沿着靠近或远离定位孔111的方向移动。滑动部23可为定位件2与下定位槽41相对应的外表面,或者滑动部23可为定位件2与下定位组槽41相对应的外表面上的凸起等结构。
在该实施例中,底座4的设置有利于更方便地将定位组件安装在动力源上。下定位槽41和滑动部23的设置有利于增加定位件2移动的灵活性。
进一步地,下定位槽41包括下弧形段411。滑动部23的形状与下弧形段411的形状相匹配。这样,滑动部23可沿着下弧形段411移动,从而使得定位件2沿着靠近或远离定位孔111的方向移动。
具体实施时,如图7中所示,下定位槽41可包括多个不同形状的段,弹性件3和定位件2均可位于下定位槽41内。此外,下弧形段411的深度可大于下定位槽41的其余部分,从而使得下弧形段411与下定位槽41的其余部分之间形成台阶,这种设置有利于将滑动部23限位在下弧形段411内。
在本发明螺旋桨快速装拆结构的还一个实施例中,如图8所示,定位组件还包括顶座5和连接件6,连接件6被设置为用于连接底座4和顶座5。
连接件6可例如为螺栓或螺钉或定位销等,连接件6依次穿过底座4和顶座5,从而将底座4和顶座5连接在一起。此外,顶座5还可通过销孔配合等方式定位在底座4上,以更可靠地将底座4和顶座5固定在一起。连接件6的数量可根据实际需求设置,例如,如图1中所示,连接件6为四件。
顶座5上设有上定位槽51。上定位槽51与下定位槽41对应设置,滑动部23与上定位槽51滑动配合。也即是,滑动部23与上定位槽51和下定位槽41滑动配合。
可选地,上定位槽51和下定位槽41可共同构成环状结构,滑动部23与该环状结构滑动配合。
此外,上定位槽51的形状可与下定位槽41的形状相同。也即是,上定位槽51和下定位槽41镜像对称。
具体实施时,上定位槽51可包括上弧形段511,上弧形段511和下弧形段411可构成一个环形孔,滑动部23可为设置在定位件2的外表面上的环形凸起,滑动部23与该环形孔滑动配合。
进一步地,顶座5上设有支撑柱52。螺旋桨主体11上设有支撑套113,支撑柱52与支撑套113相配合,从而使得定位组件支撑螺旋桨1。
可选地,如图1所示,定位组件还包括支撑弹片7,支撑弹片7与顶座5相连接。支撑弹片7与顶座5之间的连接可通过多种方式实现,例如,支撑弹片7与顶座5通过焊接连接,或者通过螺栓连接,或者顶座5上设有定位凸起,支撑弹片7上设有可与该定位凸起相配合的定位孔。支撑弹片7的数量可根据实际需求设置,例如,如图1中所示,支撑弹片7为两个。
支撑弹片7包括弹性支撑部71,螺旋桨主体11上设有配合部114。弹性支撑部71与配合部114相配合,以支撑螺旋桨主体11。弹性支撑部71和配合部114的设置有利于使得支撑弹片7提供给螺旋桨1弹性力,从而防止螺旋桨1不受控地错位或移动。
弹性支撑部71和配合部114可通过多种方式实现。例如,弹性支撑部71为支撑弹片7上的翻边,配合部114为螺旋桨主体11上的凹槽。或者,弹性支撑部71为支撑弹片7上朝向螺旋桨1方向延伸的弹性臂,配合部114为螺旋桨主体11上的凸台,通过弹性臂与凸台的配合,弹性支撑部71提供给螺旋桨1一朝向螺旋桨1方向的弹性力。
在本发明螺旋桨快速装拆结构的一个具体实施例中,如图1所示,螺旋桨1包括螺旋桨主体11和桨叶12,螺旋桨主体11具有管状结构。螺旋桨主体11的侧壁上设有两个定位孔111,定位孔111的内沿设有螺旋桨拆卸面1111。该螺旋桨拆卸面1111为斜面,定位孔111位于螺旋桨主体11侧壁的外表面上开口的尺寸大于定位孔111位于螺旋桨主体11侧壁的内表面上开口的尺寸。
螺旋桨主体11侧壁的内表面上还设有支撑套113、两条拆卸滑道112 和两个配合部114。两条拆卸滑道112分别与两个定位孔111的螺旋桨拆卸面1111相连接。拆卸滑道112与螺旋桨拆卸面1111之间的连接处为平滑过渡,拆卸滑道112的延伸方向为与螺旋桨1的旋转方向相反的方向。拆卸滑道112的深度沿着远离定位孔111的方向逐渐减小,拆卸滑道112的末端与螺旋桨主体11侧壁的内表面平滑过渡。在该实施例中,配合部114为螺旋桨主体11侧壁的内表面上的凸起。
定位组件包括定位件2、弹性件3、底座4、顶座5、连接件6和支撑弹片7。定位件2和弹性件3包括两套,定位件2上设有弹性件定位孔22,弹性件3的一端位于弹性件定位孔22中。在该实施例中,弹性件3为压缩弹簧,弹性件3可提供给定位件2弹性力,以使得定位件2沿着靠近或远离定位孔111的方向移动。
定位件2包括定位部21和滑动部23,定位部21上设有斜切面211,滑动部23为定位件2外表面上的环向凸起。在该实施例中,斜切面211沿着向下的方向延伸,也即是,定位部21的高度沿着向下的方向逐渐减小。上述“向下”是指远离螺旋桨1的方向。
底座4上设有下定位槽41,顶座5上设有上定位槽51。下定位槽41和上定位槽51对应设置,两者共同构成了用于对定位件2限位的环状结构,弹性件3也位于该环状结构中。下定位槽41包括下弧形段411,上定位槽51包括上弧形段511,下弧形段411和上弧形段511构成了环形孔,滑动部23与该环形孔滑动配合。滑动部23在环形孔内的滑动行程即为定位件2的移动行程。
顶座5上设有支撑柱52,支撑柱52与支撑套113相配合。
连接件6为螺栓,其穿过底座4、顶座5和支撑弹片7,将底座4、顶座5和支撑弹片7固定在小型飞行器的动力源上。
支撑弹片7包括弹性支撑部71,弹性支撑部71与配合部114相配合,以支撑螺旋桨主体11。
定位件2具有工作模式和拆卸模式。
在工作模式下,定位部21与定位孔111相配合,从而将螺旋桨1固定在定位组件上。这样,定位组件可将动力传递至螺旋桨1。
在工作模式下,螺旋桨1可在动力源的驱动下旋转。在该实施例中,螺旋桨1的旋转方向为顺时针方向。
在拆卸模式下,定位件2的定位部21自螺旋桨拆卸面1111离开定位孔111,此时弹性件3的压缩量最大。定位部21离开定位孔111后进入拆卸滑道112,随着弹性件3的逐渐拉伸,定位部21沿着拆卸滑道112滑动,并自拆卸滑道112的末端滑出拆卸滑道112。此时,可将螺旋桨1自定位组件上拆卸下来。在该实施例中,拆卸滑道112的延伸方向为逆时针方向。
在该实施例中,将螺旋桨1与定位组件组装到一起时,将螺旋桨1放置在定位组件上,接着对螺旋桨1施加垂直于其旋转方向的力,该力自螺旋桨1传递至定位件2,定位件2挤压缩弹性件3,从而使得定位部21进入定位孔111。定位部21进入定位孔111后,定位件2受弹性件3的弹性力作用朝向定位孔111的方向移动,使得螺旋桨1和定位组件可靠地组装在一起。
如图1和图9所示,本发明还提供了一种无人飞行器。
该无人飞行器包括驱动马达8和本发明的螺旋桨快速装拆结构。螺旋桨快速装拆结构安装在驱动马达8上。具体实施时,定位组件可通过连接件6安装在驱动马达8上。更具体地,定位组件通过连接件6固定在驱动马达8的动子上。
虽然已经通过例子对本发明的一些特定实施例进行了详细说明,但是本领域的技术人员应该理解,以上例子仅是为了进行说明,而不是为了限制本发明的范围。本领域的技术人员应该理解,可在不脱离本发明的范围和精神的情况下,对以上实施例进行修改。本发明的范围由所附权利要求来限定。

Claims (10)

  1. 一种螺旋桨快速装拆结构,其特征在于,包括螺旋桨和定位组件,其中,
    所述螺旋桨包括螺旋桨主体和桨叶;
    所述螺旋桨主体上设有定位孔,所述定位孔的内沿设有螺旋桨拆卸面;
    所述定位组件包括定位件和弹性件,所述定位件包括定位部;
    所述弹性件被设置为用于提供给所述定位件弹性力,以使得所述定位件沿着靠近或远离所述定位孔的方向移动;
    所述定位件具有工作模式和拆卸模式;
    在所述工作模式下,所述定位部与所述定位孔相配合,以固定所述螺旋桨;
    在所述拆卸模式下,所述定位件沿着远离所述定位孔的方向移动,以使得所述定位部自所述螺旋桨拆卸面离开所述定位孔。
  2. 根据权利要求1所述的螺旋桨快速装拆结构,其特征在于,所述螺旋桨主体上还设有拆卸滑道,所述拆卸滑道与所述螺旋桨拆卸面相连接;
    所述拆卸滑道的深度沿着远离所述定位孔的方向逐渐减小;
    所述拆卸滑道远离所述定位孔的一端设有脱离部,所述脱离部被设置为用于所述定位部离开所述拆卸滑道;
    在所述拆卸模式下,所述定位部自所述螺旋桨拆卸面进入所述拆卸滑道。
  3. 根据权利要求1或2所述的螺旋桨快速装拆结构,其特征在于,所述定位件上设有弹性件定位孔;
    所述弹性件为弹簧,所述弹簧的一端位于所述弹性件定位孔中。
  4. 根据权利要求1至3任一项中所述的螺旋桨快速装拆结构,其特征在于,所述定位孔的内沿还设有螺旋桨拆卸限位部,所述螺旋桨拆卸限位 部被设置为用于对所述定位部自所述螺旋桨拆卸面离开所述定位孔的位置进行限位。
  5. 根据权利要求1至4任一项中所述的螺旋桨快速装拆结构,其特征在于,所述定位组件还包括底座;
    所述底座上设有下定位槽;
    所述定位件上设有滑动部,所述滑动部与所述下定位槽滑动配合,以使得所述定位件沿着靠近或远离所述定位孔的方向移动。
  6. 根据权利要求5所述的螺旋桨快速装拆结构,其特征在于,所述下定位槽包括下弧形段;
    所述滑动部的形状与所述下弧形段的形状相匹配。
  7. 根据权利要求5或6所述的螺旋桨快速装拆结构,其特征在于,所述定位组件还包括顶座和连接件,所述连接件被设置为用于连接所述底座和所述顶座;
    所述顶座上设有上定位槽;
    所述上定位槽与所述下定位槽对应设置,所述滑动部与所述上定位槽滑动配合。
  8. 根据权利要求7所述的螺旋桨快速装拆结构,其特征在于,所述顶座上设有支撑柱;
    所述螺旋桨主体上设有支撑套,所述支撑柱与所述支撑套相配合。
  9. 根据权利要求7或8所述的螺旋桨快速装拆结构,其特征在于,所述定位组件还包括支撑弹片,所述支撑弹片与所述顶座相连接;
    所述支撑弹片包括弹性支撑部;
    所述螺旋桨主体上设有配合部;
    所述弹性支撑部与所述配合部相配合,以支撑所述螺旋桨主体。
  10. 一种无人飞行器,其特征在于,包括驱动马达和权利要求1至9任一项中所述的螺旋桨快速装拆结构,其中,
    所述定位组件安装在所述驱动马达上。
PCT/CN2017/080292 2017-03-10 2017-04-12 一种螺旋桨快速装拆结构及无人飞行器 Ceased WO2018161406A1 (zh)

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