Unmanned aerial vehicle arm folding and locking mechanism and unmanned aerial vehicle

Abstract

The utility model provides an unmanned aerial vehicle arm folding and locking mechanism and an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles, in order to solve the problem that in the prior art, an unmanned aerial vehicle arm buckle is prone to loosening, the unmanned aerial vehicle arm folding and locking mechanism comprises an arm, a vehicle body, a buckle assembly and a locking mechanism, the buckle assembly comprises a movable buckle and a clamping hook, the movable buckle is connected to the end, close to the fuselage, of the vehicle arm, the clamping hook is connected to the fuselage, the locking mechanism is connected to the vehicle arm, when the vehicle arm is unfolded relative to the fuselage, the movable buckle is clamped to the clamping hook, and when the vehicle arm is unfolded relative to the fuselage, the movable buckle is clamped to the clamping hook. And the locking mechanism is used for locking the movable buckle. According to the unmanned aerial vehicle, the movable buckles are clamped on the clamping hooks, so that the vehicle arms are kept in the unfolded state relative to the vehicle body, the movable buckles are locked through the locking mechanisms, the movable buckles are prevented from slipping off the clamping hooks, and then the stability of the flight state of the unmanned aerial vehicle is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to an unmanned plane technical field especially is related to an unmanned plane arm folding locking mechanism and unmanned plane. BACKGROUND

[0002] At present, the unmanned plane technology has been widely applied to our life, such as aerial photography, patrol, investigation, entertainment etc. And the unmanned plane on the market is mainly divided into two categories: fixed wing unmanned plane and rotary wing unmanned plane. For rotary wing unmanned plane, the rotor is generally installed on the arm.

[0003] At present, the unmanned plane arm folding mechanism is various in domestic, and its main principle is to fold the arm of unmanned plane around the fuselage, so that the unmanned plane occupies smaller volume in transportation and storage. The existing unmanned plane folding mechanism only has buckle mechanism, but the buckle does not have locking mechanism, once the buckle loosens, it will cause power disorder and crash. In addition, the present unmanned plane arm folding mechanism cannot adjust the buckle tightness, which causes the unmanned plane folding mechanism to become loose after long time use, and there is great safety hazard. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an unmanned plane arm folding locking mechanism and unmanned plane to solve the problem that the arm buckle of unmanned plane is easy to loosen in prior art, and the unmanned plane arm folding locking mechanism of the utility model can avoid buckle loosening, and further ensure the stability of unmanned plane flight state.

[0005] The utility model provides an unmanned plane arm folding locking mechanism, which comprises an arm, a fuselage, a buckle assembly and a locking mechanism, the arm is hinged to the fuselage, the buckle assembly comprises a movable buckle and a hook, the movable buckle is connected to one end of the arm close to the fuselage, the hook is connected to the fuselage, and the locking mechanism is connected to the arm, when the arm is unfolded relative to the fuselage, the movable buckle is clamped on the hook, and the locking mechanism locks the movable buckle.

[0006] As a preferred scheme of the utility model, a arm connecting piece is connected to one end of the arm close to the fuselage, one side of the arm connecting piece is rotatably connected to the fuselage through a rotating shaft, and the opposite side is movably connected to the movable buckle.

[0007] As a preferred scheme of the utility model, a hinge seat is arranged on the opposite side of the rotating shaft on the arm connecting piece, the arm connecting piece is hinged to a buckle connecting piece through a hinge shaft and the hinge seat, and one end of the buckle connecting piece away from the arm connecting piece is movably connected to the middle part of the movable buckle through a pin shaft.

[0008] As an optimal scheme of the utility model, a clamping shaft is arranged on one end of the movable buckle close to the machine body, a clamping groove is arranged on the clamping hook, the clamping groove opening is arranged towards the side away from the machine arm, and the clamping shaft can be clamped in the clamping groove.

[0009] As an optimal scheme of the utility model, a through hole is arranged on the clamping hook, the through hole is communicated with the groove bottom of the clamping groove, an adjusting screw is connected in the through hole, and the adjusting screw can adjust the length of the extension into the clamping groove.

[0010] As an optimal scheme of the utility model, the locking mechanism comprises an elastic bolt, the axis of the elastic bolt is parallel to the axis of the machine arm, a positioning hole is arranged on one end of the buckle connecting piece away from the clamping shaft, and the elastic bolt is clamped in the positioning hole when the movable buckle is clamped with the clamping hook.

[0011] As an optimal scheme of the utility model, the buckle connecting piece is provided with a containing cavity on one side close to the machine arm, and the buckle connecting piece is contained in the containing cavity when the movable buckle is clamped with the clamping hook.

[0012] As an optimal scheme of the utility model, the locking mechanism further comprises a pull ring and a connecting seat, the connecting seat is connected to the machine arm, one end of the elastic bolt is connected with the pull ring, and the other end is arranged through the connecting seat and fixed through a fastener.

[0013] As an optimal scheme of the utility model, the elastic bolt comprises a shaft sleeve, a shaft rod and a spring, an inner cavity is arranged in the shaft sleeve, one end of the shaft rod is connected with the pull ring, and the other end is arranged through the inner cavity, a limiting block is arranged on the shaft rod, the limiting block is arranged in the inner cavity, the spring is arranged in the inner cavity and is sleeved on the shaft rod, one end of the spring abuts against the inner wall of the inner cavity, and the other end abuts against the limiting block.

[0014] The utility model further provides an unmanned plane comprising the unmanned plane arm folding locking mechanism.

[0015] Compared with the prior art, the utility model has the following positive effects:

[0016] This utility model provides a drone arm folding and locking mechanism, including an arm, a fuselage, a latching assembly, and a locking mechanism. The arm is hinged to the fuselage. The latching assembly includes a movable latch and a hook. The movable latch is connected to the end of the arm near the fuselage, and the hook is connected to the fuselage. The locking mechanism is connected to the arm. When the arm is unfolded relative to the fuselage, the movable latch engages with the hook, and the locking mechanism locks the movable latch. In this utility model, by engaging the movable latch with the hook, the arm remains unfolded relative to the fuselage, and by locking the movable latch with the locking mechanism, the movable latch is prevented from slipping off the hook, thereby ensuring the stability of the drone's flight. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the folding locking mechanism of this utility model when used on a drone;

[0019] Figure 2 for Figure 1 A magnified view of part A in the image;

[0020] Figure 3 for Figure 1 A magnified view of part B in the image;

[0021] Figure 4 for Figure 1 A magnified view of part C;

[0022] Figure 5 This is a schematic diagram of the internal structure of the elastic pin in this utility model.

[0023] In the diagram: 1. Body; 2. Arm; 3. Buckle assembly; 31. Hook; 311. Snap-fit ​​groove; 312. Through hole; 32. Movable buckle; 321. Snap-fit ​​shaft; 322. Positioning hole; 323. Receiving cavity; 4. Locking mechanism; 41. Elastic pin; 411. Inner cavity; 412. Shaft; 4121. Limit block; 413. Spring; 414. Bushing; 42. Pull ring; 43. Connecting seat; 5. Arm connector; 51. Hinge seat; 52. Rotating shaft; 6. Buckle connector; 61. Hinge shaft; 62. Pin. Detailed Implementation

[0024] In the description of the utility model, it is necessary to explain that, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front end", "rear end", "head", "tail" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it can not be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and can not be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it is also necessary to explain that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The specific embodiments of the utility model will be further described in detail below in combination with the drawings.

[0027] Embodiment 1:

[0028] The unmanned aerial vehicle arm folding locking mechanism provided in this embodiment, as shown in Figures 1-5 The arm 2 is hinged to the fuselage 1, the buckle assembly 3 comprises a movable buckle 32 and a hook 31, the movable buckle 32 is connected to one end of the arm 2 close to the fuselage 1, the hook 31 is connected to the fuselage 1, and the locking mechanism 4 is connected to the arm 2. When the arm 2 is unfolded relative to the fuselage 1, the movable buckle 32 is clamped on the hook 31, and the locking mechanism 4 locks the movable buckle 32.

[0029] In this embodiment, the movable buckle 32 is clamped on the hook 31, so that the arm 2 is kept unfolded relative to the fuselage 1, and the movable buckle 32 is locked by the locking mechanism 4, so as to avoid the movable buckle 32 from slipping off the hook 31, avoid the buckle from loosening, and further ensure the stability of the unmanned aerial vehicle flight state.

[0030] As a preferred embodiment, as Figures 2-4As shown in the figure, a machine arm connecting piece 5 is connected to the end of the machine arm 2 close to the machine body 1, one side of the machine arm connecting piece 5 is rotatably connected to the machine body 1 through a rotating shaft 52 and the opposite side is movably connected to the movable buckle 32. The machine arm connecting piece 5 is in a circular structure and is sleeved on the end of the machine arm and is fixedly connected through a screw. On one side of the machine arm connecting piece 5, a rotating shaft 52 is connected to the machine body 1, so that the machine arm 2 can rotate relative to the machine body 1 to unfold or fold the machine arm 2 relative to the machine body 1, so as to facilitate the storage of the aircraft in the folded state, or to maintain the stability of the aircraft in flight in the unfolded state.

[0031] As a preferred embodiment, as shown in the figure, Figure 3 As shown in the figure, a hinge seat 51 is arranged on the opposite side of the rotating shaft 52 on the machine arm connecting piece 5, and the machine arm connecting piece 5 is hingedly connected to the buckle connecting piece 6 through the hinge shaft 61 and the hinge seat 51, and the end of the buckle connecting piece 6 away from the machine arm connecting piece 5 is movably connected to the middle part of the movable buckle 32 through the pin shaft 62.

[0032] The movable buckle 32 in this embodiment is movably connected to the machine arm connecting piece 5 through the buckle connecting piece 6, so that the movable buckle 32 can swing relative to the machine arm connecting piece 5, and the movable buckle 32 can be conveniently clamped with the clamping hook 31.

[0033] As a preferred embodiment, as shown in the figure, Figure 4 and Figure 3 As shown in the figure, a clamping shaft 321 is arranged on the end of the movable buckle 32 close to the machine body 1, and a clamping groove 311 is arranged on the clamping hook 31, and the opening of the clamping groove 311 is arranged towards the side away from the machine arm. The clamping shaft 321 can be clamped in the clamping groove 311.

[0034] In this embodiment, the clamping shaft 321 on the movable buckle 32 is clamped with the clamping groove 311 on the clamping hook 31, so that the clamping shaft 321 can be conveniently slid into the clamping groove 311 to achieve the clamping effect, which is convenient to operate and reliable in connection.

[0035] As a preferred embodiment, a through hole 312 is arranged on the clamping hook 31, the through hole 312 is in communication with the groove bottom of the clamping groove 311, an adjusting screw is connected in the through hole 312, and the adjusting screw can adjust the length of the extension into the clamping groove 311. A female thread is arranged in the through hole 312 which is matched with the adjusting screw.

[0036] The clamping groove of the existing folding mechanism of the unmanned aerial vehicle arm is worn out after long-term use, and the folding mechanism of the unmanned aerial vehicle becomes loose, which cannot adjust the tightness of the buckle and has a great safety hazard. In the embodiment, the clamping hook 31 is connected to the adjusting screw, and the length of the clamping hook 31 inserted into the clamping groove 311 is adjusted by adjusting the adjusting screw, so that the tightness of the clamping shaft 321 and the clamping groove 311 can be adjusted, so that when the clamping is loose due to long-term use, the clamping shaft 321 and the clamping groove 311 can be clamped by adjusting the adjusting screw.

[0037] As a preferred embodiment, the buckle connecting piece 6 is provided with a containing cavity 323 near one side of the arm, and the buckle connecting piece 6 is received in the containing cavity 323 when the movable buckle 32 is clamped with the clamping hook 31. The buckle connecting piece 6 can be clamped into the containing cavity 323, so that the two side walls of the buckle connecting piece 6 are tightly attached to the inner wall of the movable buckle 32, so as to limit the movable buckle 32 to a certain extent, so as to ensure the stability of the clamping of the movable buckle 32 and the clamping hook 31.

[0038] As a preferred embodiment, the locking mechanism 4 includes a resilient latch 41, and the axis of the resilient latch 41 is parallel to the axis of the arm. A positioning hole 322 is provided on the buckle connecting piece 6 away from the clamping shaft 321, and the resilient latch 41 is clamped in the positioning hole 322 when the movable buckle 32 is clamped with the clamping hook 31. The axis of the resilient latch 41 is on the same straight line as the center line of the hinge seat 51 on the arm connecting piece 5.

[0039] In the embodiment, the resilient latch 41 clamped in the positioning hole 322 can make the locking mechanism 4 lock the movable buckle 32, so as to ensure the stability of the clamping of the movable buckle 32 and the clamping hook 31, and ensure the reliability of the locking state of the unmanned aerial vehicle arm.

[0040] As a preferred embodiment, the locking mechanism 4 further includes a pull ring 42 and a connecting seat 43, the connecting seat 43 is connected to the arm, one end of the resilient latch 41 is connected to the pull ring 42, and the other end passes through the connecting seat 43 and is fixed by a fastener. One side of the connecting seat 43 is fixedly connected to the arm 2 by a ring structure, and the other side is connected to the resilient latch 41, so as to fix the position of the resilient latch 41, so that the resilient latch 41 can be clamped with the movable buckle 32.

[0041] As a preferred embodiment, as shown in Figure 5As shown, the elastic latch 41 comprises a shaft sleeve 414, a shaft rod 412 and a spring 413. The shaft sleeve 414 is internally provided with a cavity 411, and the shaft rod 412 is connected with the pull ring 42 at one end and passes through the cavity 411 at the other end. A limiting block 4121 is arranged on the shaft rod 412 and is arranged in the cavity 411. The spring 413 is arranged in the cavity 411 and is sleeved on the shaft rod 412, and one end of the spring 413 abuts against the inner wall of the cavity 411 and the other end abuts against the limiting block 4121.

[0042] When the pull ring 42 is pulled, the shaft rod 412 moves in the shaft sleeve 414 away from the movable buckle 32, the limiting block 4121 slides in the cavity 411 and compresses the spring 413, and the shaft rod 412 is separated from the positioning hole 322, thereby unlocking the movable buckle 32; when the pull ring 42 is released, the shaft rod 412 moves towards the movable buckle 32 under the elastic action of the spring 413, and the shaft rod 412 can be inserted into the positioning hole 322 to lock the movable buckle 32.

[0043] The embodiment also provides a UAV, which comprises the UAV arm folding and locking mechanism.

[0044] The UAV arm folding and locking mechanism in the embodiment is provided with an arm connecting piece 5 on the arm 2, the arm connecting piece 5 is connected with the fuselage 1 through a rotating shaft 52, so that the arm 2 can rotate around the rotating shaft 52. A buckle connecting piece 6 is arranged on the other side of the arm connecting piece 5 opposite to the rotating shaft 52, the buckle connecting piece 6 is connected with the arm connecting piece 5 through a hinged shaft 61, so that the buckle connecting piece 6 can rotate around the hinged shaft 61. The other end of the buckle connecting piece is connected with the movable buckle 32 through a pin shaft 62, and the movable buckle 32 can rotate around the pin shaft 62. The front end of the movable buckle 32 is provided with a clamping shaft 321, and the fuselage 1 is provided with a clamping hook 31, the clamping shaft 321 is clamped into the clamping hook 31 when the arm 2 and the fuselage 1 are locked. The tail end of the movable buckle 32 is provided with a positioning hole 322, and the arm 2 is fixedly provided with a connecting seat 43, and the elastic latch 41 is arranged on the connecting seat 43. When the clamping shaft 321 is clamped into the clamping hook 31, the pull ring 42 of the elastic latch 41 is pulled, the elastic latch 41 is retracted, and the movable buckle 32 can enter the predetermined locking position. At this time, the pull ring 42 is released, the elastic latch 41 is extended, and the elastic latch 41 is clamped into the inside of the positioning hole at the tail end of the movable buckle 32. Without pulling the pull ring of the elastic latch, no matter how the movable buckle 32 vibrates, the movable buckle 32 cannot rotate around the pin shaft 62, thereby ensuring the reliability of the locking state of the UAV arm folding mechanism in the embodiment. In addition, the clamping hook 31 is provided with an adjusting screw, and when the UAV arm folding mechanism is loosened after long-term use, adjusting the tightness of the adjusting screw can make the clamping shaft 321 and the clamping hook 31 tightly cooperate again.

[0045] The above merely describes preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make several modifications and improvements without departing from the creative concept of the present application, and all should be encompassed within the protection scope of the present application.

Claims

1. A drone arm folding and locking mechanism, characterized in that, The utility model provides a kind of armrest, including arm (2), fuselage (1), buckle assembly (3) and locking mechanism (4), the arm (2) is hinged with the fuselage (1), the buckle assembly (3) includes movable buckle (32) and clamping hook (31), the movable buckle (32) is connected on the arm (2) one end close to the fuselage (1), the clamping hook (31) is connected on the fuselage (1), the locking mechanism (4) is connected on the arm, when the arm is unfolded relative to the fuselage (1), the movable buckle (32) is clamped on the clamping hook (31), and the locking mechanism (4) locks the movable buckle (32).

2. The unmanned aerial vehicle arm folding and locking mechanism according to claim 1, wherein, Arm connector (5) is connected on the arm one end close to the fuselage (1), one side of the arm connector (5) is rotatably connected with fuselage (1) by rotating shaft (52) and its opposite side is movably connected with the movable buckle (32).

3. The mechanism according to claim 2, wherein, Hinge seat (51) is provided on the arm connector (5) on the opposite side of the rotating shaft (52), the arm connector (5) is hinged with buckle connector (6) through hinge shaft (61) and the hinge seat (51), one end of the buckle connector (6) away from the arm connector (5) is movably connected with the middle part of the movable buckle (32) through pin shaft (62).

4. The mechanism according to claim 3, wherein, Clamping shaft (321) is provided on the movable buckle (32) one end close to the fuselage (1), clamping groove (311) is provided on the clamping hook (31), the clamping groove (311) is provided with opening facing away from the arm side, the clamping shaft (321) can be clamped in the clamping groove (311).

5. The mechanism according to claim 4, wherein, Through hole (312) is provided on the clamping hook (31), the through hole (312) is communicated with the groove bottom of the clamping groove (311), adjusting screw is connected in the through hole (312), the adjusting screw can adjust the length of extension into the clamping groove (311).

6. The mechanism according to claim 3, wherein, The buckle connector (6) is provided with containing cavity (323) close to the arm side, when the movable buckle (32) is clamped with the clamping hook (31), the buckle connector (6) is received in the containing cavity (323).

7. The mechanism according to claim 4, wherein, The locking mechanism (4) includes elastic bolt (41), the axis of the elastic bolt (41) is parallel with the axis of the arm, positioning hole (322) is provided on the buckle connector (6) one end away from clamping shaft (321), when the movable buckle (32) is clamped with the clamping hook (31), the elastic bolt (41) is clamped in the positioning hole (322).

8. The mechanism according to claim 7, wherein, The locking mechanism (4) further includes pull ring (42) and connecting seat (43), the connecting seat (43) is connected on the arm, one end of the elastic bolt (41) is connected with the pull ring (42), and the other end is arranged through the connecting seat (43) and is fixed by fastener.

9. The mechanism according to claim 7, wherein, The elastic plug (41) comprises a shaft sleeve (414), a shaft rod (412) and a spring (413), the shaft sleeve (414) is internally provided with an inner cavity (411), one end of the shaft rod (412) is connected with a pull ring (42) and the other end is arranged through the inner cavity (411), a limiting block (4121) is arranged on the shaft rod (412), the limiting block (4121) is arranged in the inner cavity (411), the spring (413) is arranged in the inner cavity (411) and is sleeved on the shaft rod (412), one end of the spring (413) abuts against an inner wall of the inner cavity (411) and the other end abuts against the limiting block (4121).

10. A drone, characterized in that, The unmanned aerial vehicle arm folding and locking mechanism comprises a plurality of unmanned aerial vehicle arms (1) and a plurality of unmanned aerial vehicle arm folding and locking mechanisms (2).

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