CN110626502A

CN110626502A - Quick detach structure and aircraft

Info

Publication number: CN110626502A
Application number: CN201911033355.XA
Authority: CN
Inventors: 梁智颖
Original assignee: Shenzhen Autel Intelligent Aviation Technology Co Ltd
Current assignee: Shenzhen Autel Intelligent Aviation Technology Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2019-12-31
Also published as: WO2021083152A1

Abstract

The invention relates to the technical field of aircrafts, and particularly discloses a quick-release structure and an aircraft. The quick release structure comprises a first piece; one of the first piece and the second piece is provided with a lug, the other piece is provided with a slot, and the lug is inserted into or separated from the slot along a first direction so as to enable the first piece and the second piece to be installed or detached; the lock mechanism is arranged on the second piece and can be selectively inserted into the first piece along the insertion direction, and the insertion direction and the first direction form an included angle. Through inserting the lock mechanism in the screw to and insert the screw lug in the recess along first direction, thereby restriction safety cover and screw along the ascending relative motion in six directions, realized the quick installation of safety cover. When the protective cover needs to be disassembled, the lock mechanism is separated from the propeller, and the convex block is separated from the groove along the direction opposite to the first direction, so that the protective cover is rapidly disassembled.

Description

Quick detach structure and aircraft

Technical Field

The invention relates to the technical field of aircrafts, in particular to a quick-release structure and an aircraft.

Background

A drone is an unmanned vehicle that is manipulated by a radio remote control device or remote control to perform tasks.

Unmanned aerial vehicle usually includes the fuselage and certainly the horn that the fuselage extends is provided with the screw on each horn, and the rotation of screw drives unmanned aerial vehicle flies. But sometimes because control the error or unmanned aerial vehicle is out of control, the screw probably collides with hard thing when rotatory and leads to the screw to damage, or screw fish tail people or thing, is connected with the safety cover on the screw, avoids the screw to contact other objects.

The existing connecting structure of the protective cover and the propeller is complex to assemble and disassemble and is not easy to assemble and disassemble quickly.

Disclosure of Invention

One object of the present invention is to provide a quick release structure, so that the connection structure can be easily assembled and disassembled, and the quick assembly and disassembly can be realized.

In order to achieve the purpose, the invention adopts the following technical scheme:

a quick release structure comprising:

a first piece;

one of the first piece and the second piece is provided with a lug, the other piece is provided with a slot, and the lug is inserted into or separated from the slot along a first direction so as to enable the first piece and the second piece to be installed or detached;

the lock mechanism is arranged on the second piece and can be selectively inserted into the first piece along the insertion direction, and the insertion direction and the first direction form an included angle.

Preferably, the first piece includes a first arc portion, the second piece includes a second arc portion, the second arc portion can be fastened to the outer peripheral surface of the first arc portion, one of the first arc portion and the second arc portion is provided with the projection, and the other is provided with the slot.

Preferably, one of the first arc portion and the second arc portion is provided with the projection and an annular groove located on the periphery of the projection, and the other is provided with the slot and an annular protrusion located on the periphery of the slot, wherein the annular protrusion can be inserted into or separated from the annular groove.

Preferably, the quick release structure comprises two lock mechanisms, and two the inserting direction of the lock mechanisms is arranged at an included angle, and the inserting grooves or the protruding blocks are arranged between the lock mechanisms.

Preferably, the second part further comprises a connecting arm, one end of the connecting arm is connected to the second arc portion, and the locking mechanism is arranged on the connecting arm.

Preferably, the lock mechanism includes:

the fixing frame is fixed on the connecting arm, and a slide way is arranged on the fixing frame;

the poking key is arranged in the slideway in a sliding manner;

a lock cylinder connected with the toggle key, wherein the toggle key is configured to slide in the slide way so as to switch the lock cylinder between a locking position for locking the first piece and the second piece and an unlocking position for unlocking the first piece and the second piece.

Preferably, the lock mechanism further comprises:

and one end of the elastic piece is fixedly connected with the fixed frame or the connecting arm, and the other end of the elastic piece is fixedly connected with the lock cylinder, so that the lock cylinder is kept at the locking position.

Preferably, the slide is L shape structure, including being angle setting and the first horizontal slide and the first slide of indulging that communicates each other, the first length direction who indulges the slide with the direction of inserting is unanimous, first horizontal slide is located first indulges the slide and keeps away from the one end of second circular arc portion.

Preferably, a limiting bump is arranged at the joint of the first transverse slideway and the first longitudinal slideway.

Preferably, a lock plate is arranged at the end part of the lock cylinder; when the lock cylinder is in the unlocking position, the lock plate is in a first state so as to be inserted into or separated from the first piece; when the lock core is in the locking position, the lock plate is in the second state to abut against the inner wall of the first piece.

Preferably, the slide is L shape structure, indulges the slide including second horizontal slide and the second that is the angle setting and communicates each other, the second horizontal slide is located the second is indulged the slide and is close to the one end of second circular arc portion, it is in to stir the key slide in the second horizontal slide, can make the lock core rotates around self axis.

Preferably, at least one end of the second arc part is bent upwards or downwards along the axial direction of the second arc part to form a bent part, the lock mechanism comprises a clamping protrusion arranged on the inner side of the bent part, a bayonet is arranged on the first arc part, and the bent part is configured to be capable of being deformed in the direction opposite to the bending direction of the first arc part so that the clamping protrusion is in clamping fit with the bayonet.

Another object of the present invention is to provide an aircraft that improves the efficiency of the attachment and detachment of the propeller to the protective cover.

an aircraft comprises the quick release structure.

The invention has the beneficial effects that:

the projection is inserted in the slot and can limit the relative movement of the propeller and the protective cover along the direction vertical to the first direction. Because the inserting direction of the lock mechanism and the first direction form an included angle, after the screw is inserted into the lock mechanism, the protective cover can be limited to move along the first direction. Through inserting the lock mechanism in the screw to and insert the screw lug in the recess along first direction, thereby restriction safety cover and screw are along the ascending relative motion in six directions, be about to the safety cover fixed to the screw, realized the quick installation of safety cover. When the protective cover needs to be disassembled, the lock mechanism is separated from the propeller, and the convex block is separated from the groove along the direction opposite to the first direction, so that the protective cover is rapidly disassembled. The quick-release structure provided by the invention is simple and quick to assemble and disassemble.

Drawings

Fig. 1 is a schematic structural diagram of a propeller and a protective cover according to an embodiment of the present invention when the propeller and the protective cover are not installed;

FIG. 2 is a schematic view of another embodiment of the present invention showing a propeller and a protective cover when they are not installed;

fig. 3 is a schematic structural diagram of a propeller and a protective cover after being installed according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the structure at A in FIG. 4;

FIG. 6 is a cross-sectional view taken in the direction B-B of FIG. 3 when the lock mechanism locks the propeller;

FIG. 7 is a cross-sectional view taken in the direction B-B of FIG. 3 when the lock mechanism unlocks the propeller;

FIG. 8 is an exploded view of a lock mechanism and a protective cover in accordance with an embodiment of the present invention;

fig. 9 is a schematic structural view of the lock mechanism according to the second embodiment of the present invention when the screw is unlocked;

fig. 10 is a schematic structural view of the locking mechanism provided in the second embodiment of the present invention when the propeller is locked;

fig. 11 is a schematic structural view of a lock mechanism provided in the third embodiment of the present invention.

In the figure:

1. a propeller; 11. a motor; 12. a rotating shaft; 13. a paddle; 14. a horn; 15. a first arc portion; 151. a bump; 152. an annular groove; 153. a lock hole; 154. a bayonet;

2. a protective cover; 21. a connecting arm; 22. a guard bar; 23. a second arc portion; 231. a slot; 232. an annular projection; 233. a bending section;

3. a lock mechanism; 31. a fixed mount; 32. dialing a key; 33. a lock cylinder; 331. a groove; 332. a locking plate; 34. an elastic member; 35. a slideway; 351. a first transverse chute; 352. a first longitudinal slide; 36. a first connecting member; 37. a second connecting member; 38. and (6) clamping and protruding.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the invention, orientation words are defined, and in the case that the contrary explanation is not made, the used orientation words such as "upper", "lower", "left" and "right" refer to the definition in the case that the quick release structure provided by the invention is used for a long time, and "inner" and "outer" refer to the inner and outer relative to the profile of each part per se. These directional terms are used for ease of understanding and are not intended to limit the scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

The embodiment provides a quick detach structure for in unmanned aerial vehicle's screw 1 and safety cover 2's the connection, but not limited to this, can also be used for in other devices to simplify the dismouting process of two parts, realize quick assembly disassembly.

As shown in fig. 1 and fig. 2, the present embodiment provides a quick release structure including a first member, a second member and a lock structure. In the present embodiment, the first member is the propeller 1, and the second member is the protective cover 2. Of course, the quick release structure is within the scope of the present invention when the first and second members are other components.

The propeller 1 is provided with a protrusion 151, the protective cover 2 is provided with a slot 231, and the protrusion 151 is inserted into or separated from the slot 231 along a first direction (an L direction shown by an arrow in fig. 2), so that the propeller 1 and the protective cover 2 are assembled or disassembled along the first direction (the L direction shown by the arrow in fig. 2). The protrusion 151 is inserted into the slot 231 to limit the relative movement of the propeller 1 and the protective cover 2 in the direction perpendicular to the first direction, i.e., the slot 231 and the insertion block can limit the relative movement of the propeller 1 and the protective cover 2 in the up-down direction and the front-back direction (the direction perpendicular to the paper).

The lock mechanism 3 is arranged on the protective cover 2 and can be selectively inserted into the propeller 1, and the insertion direction of the lock mechanism 3 into the propeller 1 is arranged at an included angle with the first direction. Since the insertion direction of the lock mechanism 3 is set at an angle to the first direction, the movement of the protective cover 2 in the first direction can be restricted after the lock mechanism 3 is inserted into the propeller 1. By inserting the lock mechanism 3 into the propeller 1 and inserting the protrusions 151 of the propeller 1 into the recesses 331 in the first direction, thereby restricting relative movement of the protective cover 2 and the propeller 1 in six directions, i.e., fixing the protective cover 2 to the propeller 1, quick mounting of the protective cover 2 is achieved. When the protective cover 2 needs to be disassembled, the lock mechanism 3 is separated from the propeller 1, and the convex block 151 is separated from the groove 331 along the direction opposite to the first direction, so that the protective cover 2 is rapidly disassembled. The quick-release structure provided by the embodiment is simple and quick to assemble and disassemble.

Further, the propeller 1 includes a motor 11, a rotation shaft 12, blades 13, and a horn 14. The motor 11 is in driving connection with the rotating shaft 12, the paddle 13 is fixedly connected to the rotating shaft 12, and the connecting arm 21 is rotatably connected to the rotating shaft 12 through a bearing and the like. The horn 14 includes horn body and first circular arc portion 15, and first circular arc portion 15 is connected with the one end of horn body to enclose and close and form the round hole, the round hole is worn to locate by the bearing, makes the horn 14 be connected with the bearing.

The protective cover 2 comprises a connecting arm 21, an arc-shaped protective rod 22 and a second arc part 23. The two ends of the protection rod 22 are both connected with a connecting arm 21, and one end of the connecting arm 21, which is not connected with the protection rod 22, is connected with the outer side of the second arc part 23. The second arc portion 23 can be fastened to the outer peripheral surface of the first arc portion 15, wherein the protrusion 151 is disposed on the first arc portion 15, and the slot 231 is disposed on the second arc portion 23.

As shown in fig. 2-5, in the present embodiment, the protrusion 151 is provided with an annular groove 152 at an outer periphery thereof, and the insertion groove 231 is provided with an annular protrusion 232 at an outer periphery thereof, wherein the annular protrusion 232 can be inserted into or separated from the annular groove 152. The annular projection 232 and the annular groove 152 form a second plugging barrier which further limits the movement of the protective cover 2 and the propeller 1 in a direction perpendicular to the first direction.

Of course, in other embodiments, the propeller 1 may be provided with the insertion slot 231, and the protective cover 2 may be provided with the projection 151. That is, the protrusion 151 is disposed on the second arc portion 23, and the slot 231 is disposed on the first arc portion 15. The groove wall of the slot 231 extends to the side of the second arc part 23 to form an annular bulge 232; the protrusion 151 is disposed on the second arc portion 23, and the second arc portion 23 is provided with an annular groove 152 matching with the annular protrusion 232.

Preferably, the locking mechanism 3 is arranged on the connecting arms 21, wherein the locking mechanism 3 can be arranged on only one of the connecting arms 21, or one locking mechanism 3 can be arranged on both connecting arms 21.

In the present embodiment, one lock mechanism 3 is provided on each of the two connecting arms 21, and the insertion groove 231 is located between the two lock mechanisms 3. The inserting direction of two latch mechanisms 3 is the contained angle setting, and the equal first direction of inserting direction of two latch mechanisms 3 is the contained angle setting to ensure that screw 1 and safety cover 2 are fixed back, screw 1 and safety cover 2 can not follow the first direction and take place the separation.

The two lock mechanisms 3 can make the distance between the second arc portion 23 and the first arc portion 15 consistent, and prevent the end portion of the second arc portion 23 from inclining downwards.

As shown in fig. 6-8, further, the lock mechanism 3 includes a holder 31, a toggle key 32, a key cylinder 33, and an elastic member 34. The fixing frame 31 is fixed on the connecting arm 21 through a first connecting piece 36, and a slide way 35 is arranged on the fixing frame 31. The toggle key 32 is configured to be slidable on the slide 35 to switch the key cylinder 33 between a locking position to lock the propeller 1 and the protective cover 2 and an unlocking position to unlock the propeller 1 and the protective cover 2. Specifically, the elastic member 34 may be a spring or a spring plate, and in the present embodiment, the elastic member 34 is a spring.

The key cylinder 33 is connected to the toggle key 32 by a second connection 37. The first and second connectors 36, 37 may be screws, or other connectors. Preferably, the connecting arm 21 is a hollow structure, and the key cylinder 33 is located inside the connecting arm 21 and can reciprocate relative to the connecting arm 21 along the length direction of the key cylinder 33, wherein the length direction of the key cylinder 33 is consistent with the insertion direction of the lock mechanism 3. In order to insert the key cylinder 33 into the propeller 1, the first arc portion 15 is provided with a lock hole 153 through which the key cylinder 33 can pass, and the second arc portion 23 is also provided with a lock hole through which the key cylinder 33 can pass. The toggle key 32 slides in the slideway 35, so that the lock cylinder 33 penetrates into the lock hole 153, and the lock cylinder 33 is positioned at the locking position for locking the propeller 1; and disengaging the lock cylinder 33 from the lock hole 153, the lock cylinder 33 being in an unlocked position to unlock the propeller 1.

In the present embodiment, to effect the transition of the lock cylinder 33 between the locked position and the unlocked position, the ramp 35 includes a first lateral ramp 351 and a first longitudinal ramp 352 that are angularly disposed and in communication with each other. Preferably, the slideway 35 is an L-shaped structure, the length direction of the first longitudinal slideway 352 is consistent with the insertion direction of the lock mechanism 3, and the first transverse slideway 351 is located at one end of the first longitudinal slideway 352 far away from the second arc part 23. A limiting bump is arranged at the joint of the first transverse slideway 351 and the first longitudinal slideway 352 to limit the sliding of the toggle key 32 from the first transverse slideway 351 to the first longitudinal slideway 352.

One end of the elastic element 34 is fixedly connected with the fixed frame 31 or the connecting arm 21, and the other end is fixedly connected with the lock cylinder 33. So that the elastic force of the elastic member 34 acts on the key cylinder 33 to maintain the key cylinder 33 at the locking position; in the present embodiment, a recess 331 is provided at the rear end of the key cylinder 33, and the elastic member 34 is connected to the key cylinder 33 through the recess 331.

When the toggle key 32 is located on the first longitudinal slideway 352, the elastic member 34 is in a compressed state, and the lock cylinder 33 is subjected to the elastic force towards the second arc part 23, so that the elastic member 34 can enable the lock cylinder 33 to be always in the locking position for locking the propeller 1. When the toggle key 32 moves from the first longitudinal slideway 352 to the end of the first transverse slideway 351, the lock cylinder 33 is separated from the lock hole 153, and the lock cylinder 33 is in the unlocking position for unlocking the propeller 1. The lock core 33 can be connected with the fixed frame 31 or the connecting arm 21 in a rotating mode, the toggle key 32 moves along the first transverse slideway 351, the lock core 33 rotates around the axis of the lock core 33, and the toggle key 32 is abutted to the side wall of the first transverse slideway 351 or the limiting convex block, so that the toggle key 32 can be limited to move in the slideway 35, and the lock core 33 is guaranteed to be always located at the unlocking position of the unlocking propeller 1. Or the lock core 33 can be connected with the fixed frame 31 or the connecting arm 21 in a sliding mode, the toggle key 32 moves along the first transverse slideway 351, the lock core 33 and the toggle key 32 are identical in movement track, and the toggle key 32 abuts against the side wall of the first transverse slideway 351 or the limiting convex block, so that the movement of the toggle key 32 and the lock core 33 can be limited.

This embodiment still provides an aircraft, and the aircraft can be unmanned aerial vehicle. The aircraft comprises the quick-release structure, so that the propeller 1 and the protective cover 2 can be quickly assembled and disassembled.

Example two

As shown in fig. 9 and 10, the quick release structure of the second embodiment is substantially the same as that of the first embodiment, and the difference between the two embodiments is that the lock mechanism 3 and the slide 35 have different specific structures.

The lock mechanism 3 includes a holder 31, a toggle key 32 and a key cylinder 33. The end of the lock cylinder 33 is provided with a lock plate 332, preferably, the lock plate 332 is a rectangular parallelepiped, the lock hole 153 formed in the first arc portion 15 is a kidney-shaped hole, and the lock cylinder 33 reciprocates along the length direction thereof, so that the lock plate 332 can be inserted into the lock hole 153 or separated from the lock hole 153.

As shown in fig. 9, during the process of inserting or separating the lock plate 332 into or from the lock plate 332, the lock cylinder 33 is in the unlock position for unlocking the propeller 1, the lock plate 332 is in the first state, and the lock plate 332 can pass through the lock hole 153. As shown in fig. 10, after the lock plate 332 is inserted into the lock hole 153, the key cylinder 33 can rotate 90 °, the key cylinder 33 is located at the lock position for locking the propeller 1, the lock plate 332 is located at the second state, the length of the lock plate 332 is greater than the width of the lock hole 153, and the lock plate 332 abuts against the inner wall of the propeller 1, so that the lock plate 332 is prevented from being disengaged from the lock hole 153.

Further, in order to realize the conversion of the lock cylinder 33 between the locking position and the unlocking position, the slideway 35 includes a second transverse slideway and a second longitudinal slideway which are arranged at an angle, preferably, the second transverse slideway and the second longitudinal slideway are L-shaped, the second transverse slideway is located at one end of the second longitudinal slideway close to the second arc part 23, the toggle key 32 slides in the second transverse slideway, and the lock cylinder 33 can rotate around the axis thereof. In order to enable the lock cylinder 33 to rotate 90 °, the second cross slide is preferably of a circular arc configuration with a circular arc angle of 90 °.

When the toggle key 32 is located in the second longitudinal slide, the lock cylinder 33 is in the unlocking position for unlocking the propeller 1, and the lock plate 332 is in the first state (as shown in fig. 9). When the toggle key 32 slides from the second longitudinal slideway to the second transverse slideway, the lock plate 332 of the lock core 33 is inserted into the first arc part 15 through the lock hole 153. The toggle key 32 is located on the second cross slide and slides along the second cross slide in a direction away from the second longitudinal slide, so that the lock cylinder 33 rotates by 90 degrees, the lock plate 332 is in the second state (as shown in fig. 10), and the lock cylinder 33 is in the locking position for locking the protective cover 2.

EXAMPLE III

As shown in fig. 11, the quick release structure of the third embodiment is substantially the same as that of the first embodiment, and the difference therebetween is that the specific structure of the lock mechanism 3 is different.

At least one end of the second arc portion 23 is bent upward or downward along the axis thereof to form a bent portion 233 (shown by a dotted line in fig. 11), the lock mechanism 3 includes a catching protrusion 38, the catching protrusion 38 is disposed inside the bent portion 233, the first arc portion 15 is provided with a bayonet 154, and the bent portion 233 is configured to be deformable in a direction opposite to the bending direction thereof so that the catching protrusion 38 is snap-fitted to the bayonet 154. After the locking protrusion 38 is inserted into the locking buckle, the bending portion 233 applies pressure to the first arc portion 15, so that friction between the locking protrusion 38 and the side wall of the bayonet 154 is increased, connection strength between the bayonet 154 and the locking protrusion 38 is increased, and the propeller 1 and the protective cover 2 are locked. In order to allow the bent portion 233 to be deformed in a direction opposite to the bending direction thereof, the second circular arc portion 23 is made of an elastic material.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A quick release structure, comprising:

a first piece;

a second piece, wherein one of the first piece and the second piece is provided with a projection (151), the other piece is provided with a slot (231), and the projection (151) is inserted into or separated from the slot (231) along a first direction, so that the first piece and the second piece can be installed or disassembled;

and the lock mechanism (3) is arranged on the second piece, can be selectively inserted into the first piece along the insertion direction, and the insertion direction and the first direction form an included angle.

2. The quick release structure of claim 1, characterized in that the first member comprises a first circular arc portion (15), the second member comprises a second circular arc portion (23), the second circular arc portion (23) can be fastened to the outer peripheral surface of the first circular arc portion (15), one of the first circular arc portion (15) and the second circular arc portion (23) is provided with the protrusion (151), and the other is provided with the slot (231).

3. The quick release structure of claim 2, characterized in that one of the first circular arc portion (15) and the second circular arc portion (23) is provided with the projection (151) and an annular groove (152) at the periphery of the projection (151), and the other is provided with the slot (231) and an annular protrusion (232) at the periphery of the slot (231), wherein the annular protrusion (232) can be inserted into or separated from the annular groove (152).

4. The quick release structure of claim 1, characterized in that the quick release structure comprises two lock mechanisms (3), the insertion directions of the two lock mechanisms (3) are arranged at an included angle, and the slot (231) or the protrusion (151) is located between the two lock mechanisms (3).

5. The quick release structure of claim 2, characterized in that the second member further comprises a connecting arm (21), one end of the connecting arm (21) is connected to the second arc portion (23), and the lock mechanism (3) is disposed on the connecting arm (21).

6. The quick release structure of claim 5, wherein the lock mechanism (3) comprises:

the fixing frame (31) is fixed on the connecting arm (21), and a slide way (35) is arranged on the fixing frame (31);

a toggle key (32) which is arranged in the slide way (35) in a sliding way;

a lock cylinder (33) connected to the toggle key (32), the toggle key (32) being configured to be slidable within the slide (35) to switch the lock cylinder (33) between a locked position locking the first and second pieces and an unlocked position unlocking the first and second pieces.

7. The quick release structure of claim 6, wherein the lock mechanism (3) further comprises:

and one end of the elastic piece (34) is fixedly connected with the fixed frame (31) or the connecting arm (21), and the other end of the elastic piece (34) is fixedly connected with the lock cylinder (33), so that the lock cylinder (33) is kept at the locking position.

8. The quick release structure of claim 6 or 7, characterized in that the slide (35) is an L-shaped structure, and comprises a first transverse slide (351) and a first longitudinal slide (352) which are arranged at an angle and are communicated with each other, the length direction of the first longitudinal slide (352) is consistent with the insertion direction, and the first transverse slide (351) is located at one end of the first longitudinal slide (352) far away from the second arc portion (23).

9. The quick release structure of claim 8, characterized in that a joint of the first transverse slideway (351) and the first longitudinal slideway (352) is provided with a limit bump.

10. The quick release structure according to claim 6, characterized in that the end of the lock cylinder (33) is provided with a lock plate (332); when the lock cylinder (33) is in the unlocked position, the lock plate (332) is in a first state to be inserted into or disengaged from the first piece; when the lock cylinder (33) is in the locking position, the lock plate (332) is in a second state to abut against the inner wall of the first member.

11. The quick release structure of claim 10, characterized in that the slide (35) is an L-shaped structure, and includes a second horizontal slide and a second vertical slide which are arranged at an angle and are communicated with each other, the second horizontal slide is located at one end of the second vertical slide close to the second arc portion (23), and the toggle key (32) slides in the second horizontal slide to enable the lock cylinder (33) to rotate around the axis thereof.

12. The quick release structure of claim 2, characterized in that at least one end of the second circular arc portion (23) is bent upwards or downwards along the axial direction thereof to form a bent portion (233), the lock mechanism (3) comprises a clamping protrusion (38) arranged inside the bent portion (233), a bayonet (154) is arranged on the first circular arc portion (15), and the bent portion (233) is configured to be deformable in a direction opposite to the bending direction thereof so as to enable the clamping protrusion (38) to be in clamping fit with the bayonet (154).

13. An aircraft comprising a quick release structure according to any of claims 1-12.