Foldable landing gear of unmanned aerial vehicle

Abstract

The utility model relates to the field of unmanned aerial vehicle production and manufacturing, in particular to an unmanned aerial vehicle foldable undercarriage which comprises a hinge seat, a folding part, a supporting leg and a locking mechanism, the hinge seat comprises a first lock hook, the supporting leg is fixed to the end, away from the hinge seat, of the folding part, and the locking mechanism comprises a locking part and an elastic part. The locking piece comprises a second lock hook, a first hinge portion and a key portion which are sequentially connected, the second lock hook and the first lock hook are correspondingly arranged, and the elastic piece is clamped between the key portion and the folding piece so as to provide elastic force to enable the second lock hook and the first lock hook to be locked in a matched mode. According to the foldable landing gear of the unmanned aerial vehicle, when the supporting legs are unfolded, the first locking hooks and the second locking hooks are buckled with each other, so that the supporting legs are fixed, when the supporting legs need to be folded, the first locking hooks can be separated from the second locking hooks only by manually pressing down the key parts, and the problems that an existing landing gear of the unmanned aerial vehicle is complex in folding structure, inconvenient to fold and the like are solved. And the use by people is not facilitated.

Description

Technical Field

[0001] The present application relates to the field of manufacturing of unmanned aerial vehicles (UAVs), and in particular to a foldable landing gear for UAVs. Background Art

[0002] A drone is an unmanned aircraft controlled by a radio remote control device and a self-contained program control device, or operated completely or intermittently autonomously by an on-board computer. Drones can be divided into military and civilian use according to their application areas. In the military, drones are divided into reconnaissance aircraft and target aircraft. In the civilian use, drones plus industry applications are the real rigid demand for drones. At present, their applications in aerial photography, agriculture, plant protection, micro selfies, express delivery, disaster relief, wildlife observation, infectious disease monitoring, surveying and mapping, news reporting, power inspections, disaster relief, film and television shooting, creating romance, etc. have greatly expanded the use of drones themselves.

[0003] With the development of society, drones are increasingly used in people's lives. The landing gear of a drone is a structure used to support the landing of the drone. The folding structure of the existing drone landing gear is relatively complicated, which is not conducive to people's use. Utility Model Content

[0004] The present application provides a foldable landing gear for a drone, so as to solve the problem that the folding structure of the landing gear of the existing drone is relatively complicated and is not conducive to people's use.

[0005] In order to solve the above technical problems, a technical solution adopted by the present application is: to provide a foldable drone for take-off and landing, the foldable drone for take-off and landing includes:

[0006] An articulated seat, comprising a first locking hook, wherein the articulated seat is fixed to the drone;

[0007] A folding member, hingedly connected to the hinge seat;

[0008] A supporting leg, fixed to an end of the folding member away from the hinge seat;

[0009] The locking mechanism includes a locking member and an elastic member, wherein the locking member includes a second locking hook, a first hinged portion and a button portion which are sequentially connected, the second locking hook is correspondingly arranged to the first locking hook, the first hinged portion is hingedly arranged to the folding member, and the elastic member is clamped between the button portion and the folding member to provide elastic force so that the second locking hook and the first locking hook can cooperate and lock.

[0010] Optionally, the articulated seat further comprises a fixed portion and a second articulated portion which are connected to each other, the fixed portion is fixedly connected to the drone, and the second articulated portion is articulated to the folding member.

[0011] Optionally, the first locking hook is in a hook shape extending from the second hinged portion toward the fixed portion, and the second locking hook is in a hook shape extending from the first hinged portion toward the first locking hook and bending corresponding to an opening of the first locking hook.

[0012] Optionally, the folding member further includes a main body, a third hinged portion and a fourth hinged portion, the third hinged portion is arranged on a side of the main body close to the hinge seat and is hinged to the second hinged portion, and the fourth hinged portion is arranged corresponding to the first hinged portion.

[0013] Optionally, the folding member further includes a groove, the groove is arranged corresponding to the button portion, and the elastic member is clamped between the bottom wall of the groove and the button portion.

[0014] Optionally, the folding member further includes a limiting plate, and the limiting plate is arranged corresponding to the second locking hook to limit the rotation angle of the second locking hook.

[0015] Optionally, the support leg includes an outer sleeve and a support base, wherein the outer sleeve is a hollow sleeve, one end of which is sleeved on the end of the folding member away from the hinged seat, and the other end of which is sleeved on the support base.

[0016] The beneficial effect of the present application is that in the foldable landing gear of the drone provided in the present application, when the support leg is unfolded, the first locking hook and the second locking hook are engaged with each other, so that the support leg is fixed. When the support leg needs to be folded, it is only necessary to manually press the button part, and the first locking hook will be separated from the second locking hook, which solves the problem that the folding structure of the existing drone landing gear is relatively complicated and not conducive to people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the foldable landing gear of the UAV provided in the embodiment of the present application;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the articulated seat and locking part of the foldable landing gear of the UAV;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the folding part of the foldable landing gear of the UAV;

[0021] Figure 4This is an exploded view of the supporting leg part of the drone's foldable landing gear.

[0022] Explanation of the accompanying drawings: 100, hinge seat; 110, first locking hook; 120, fixing part; 130, second hinge part; 131, first through hole; 200, folding piece; 210, third hinge part; 211, first clamp; 212, second clamp; 220, fourth hinge part; 230, groove; 240, limit plate; 250, second through hole; 260, sleeve part; 261, first mounting groove; 300, supporting leg; [Dongliang 1] 320, supporting base; 321, second mounting groove; 330, outer sleeve; 400, locking mechanism; 410, locking piece; 411, second locking hook; 412, first hinge part; 413, button part; 414, fourth through hole; 415, pressing plane; 416, assembly groove; 420, elastic part. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0024] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), such directional indications are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0026] like Figures 1 to 4As shown, the present application provides a foldable landing gear for an unmanned aerial vehicle, which includes an articulated seat 100, a folding member 200, a supporting leg 300 and a locking mechanism 400. The articulated seat 100 includes a first locking hook 110, the articulated seat 100 is fixed to the unmanned aerial vehicle, the folding member 200 is hingedly arranged with the articulated seat 100, the supporting leg 300 is fixed to an end of the folding member 200 away from the articulated seat 100, the locking mechanism 400 includes a locking member 410 and an elastic member 420, the locking member 410 includes a second locking hook 411, a first hinged portion 412 and a button portion 413 which are sequentially connected, the second locking hook 411 is arranged corresponding to the first locking hook 110, the first hinged portion 412 is hingedly arranged with the folding member 200, and the elastic member 420 is sandwiched between the button portion 413 and the folding member 200 to provide an elastic force to make the second locking hook 411 cooperate with the first locking hook 110 to be locked.

[0027] The articulated seat 100 also includes a fixing portion 120 and a second articulated portion 130. The fixing portion 120 is rectangular as a whole, and an assembly hole is respectively provided at the position of the four corners of the fixing portion 120. The assembly holes penetrate the fixing portion 120, and the screws fix the articulated seat 100 to the drone through the assembly holes. The second articulated portion 130 is arranged in the middle of the fixing portion 120, and the second articulated portion 130 and the fixing portion 120 are integrally formed. A first through hole 131 is provided on the second articulated portion 130, and the first through hole 131 penetrates the second articulated portion 130, and extends in an arc shape from the second articulated portion 130 to the fixing portion 120 to form a curved hook-shaped first locking hook 110, and the first locking hook 110 and the second articulated portion 130 are integrally formed.

[0028] The folding member 200 includes a body, a third hinge portion 210 , a fourth hinge portion 220 , a groove 230 , and a limiting plate 240 .

[0029] The third hinge part 210 is arranged on one side of the main body close to the hinge seat 100, and the third hinge part 210 is composed of a first clamping plate 211 and a second clamping plate 212. The first clamping plate 211 and the second clamping plate 212 are arranged in parallel and spaced apart. The distance between the first clamping plate 211 and the second clamping plate 212 matches the width of the second hinge part 130. A second through hole 250 is provided on the first clamping plate 211 and the second clamping plate 212. The second through hole 250 passes through the first clamping plate 211 and the second clamping plate 212, and the pin passes through the first through hole 131 and the second through hole 250, so that the second hinge part 130 is hinged to the folding member 200.

[0030] A fourth hinge part 220 is provided on a side of the third hinge part 210 away from the hinge seat 100, and the fourth hinge part 220 includes a first extension part formed by extending the first clamping plate 211 to the side away from the hinge seat 100, and a second extension part formed by extending the second clamping plate 212 to the side away from the hinge seat 100. The first extension part and the second extension part are arranged in parallel and spaced apart, and the spacing distance between the first extension part and the second extension part matches the width of the first hinge part 412, and a third through hole is provided on each of the first extension part and the second extension part, and the third through hole runs through the first extension part and the second extension part.

[0031] The limiting plate 240 is arranged between the fourth hinge part 220 and the third hinge part 210, and the limiting plate 240 is arranged between the first clamping plate 211 and the second clamping plate 212. The position of the limiting plate 240 matches the position of the second locking hook 411, so that the limiting plate 240 can limit the rotation angle of the second locking hook 411 while also fixing the structure of the folding member 200.

[0032] A groove 230 is provided on a side of the fourth hinge portion 220 away from the third hinge portion 210 . The groove 230 is a substantially rectangular shaped accommodation space.

[0033] The locking member 410 includes a second locking hook 411, a first hinged portion 412 and a button portion 413 which are sequentially connected. The second locking hook 411, the first hinged portion 412 and the button portion 413 are integrally formed. A fourth through hole 414 is provided in the first hinged portion 412. The fourth through hole 414 runs through the first hinged portion 412. The width of the first hinged portion 412 is approximately equal to the distance between the two third through holes. The pin hinges the locking member 410 and the folding member 200 through the third through hole and the fourth through hole 414.

[0034] A second locking hook 411 is provided on one side of the first hinge portion 412 close to the hinge seat 100. The second locking hook 411 is extended from the first hinge portion 412 toward the hinge seat 100 and bent toward the opening of the first locking hook 110. The shape of the second locking hook 411 matches the shape of the first locking hook 110, so that when the second locking hook 411 is engaged with the first locking hook 110, the locking member 410 cannot rotate.

[0035] A button portion 413 is provided on the side of the first hinge portion 412 away from the second locking hook 411. The button portion 413 has a pressing plane 415 to facilitate manual pressing of the button portion 413. The button portion 413 has an arcuate surface on the side away from the pressing plane 415. An assembly groove 416 is provided on the arcuate surface. The assembly groove 416 extends from the arcuate surface to the depth of the pressing plane 415. The shape of the button portion 413 matches the shape of the groove 230, and the button portion 413 is arranged at the position of the groove 230.

[0036] The elastic member 420 is arranged in the groove 230. In a specific embodiment, the elastic member 420 is a spring. The shape of the elastic member 420 matches the shape of the assembly groove 416. The elastic member 420 is clamped between the bottom wall of the groove 230 and the button portion 413. One end of the elastic member 420 is fixedly connected to the bottom wall of the groove 230, and the other end is fixedly assembled in the assembly groove 416 on the arc surface. In a natural state, the elastic member 420 applies pressure to the button portion 413 so that the second locking hook 411 cooperates with the first locking hook 110 to lock. The button portion 413 is manually pressed, and the button portion 413 compresses the elastic member 420, so that the second locking hook 411 is disengaged from the first locking hook 110, thereby realizing the unlocking of the locking member 410 and the hinge seat 100.

[0037] The support leg 300 includes an outer sleeve 330 and a support base 320 .

[0038] A sleeve portion 260 is also provided on the side of the folding piece 200 away from the hinge seat 100. The sleeve portion 260 is cylindrical and has a first mounting groove 261. The outer sleeve 330 is a hollow sleeve. The outer sleeve 330 is also cylindrical as a whole. The inner diameter of the outer sleeve 330 matches the diameter of the sleeve portion 260. The end of the outer sleeve 330 close to the folding piece 200 is sleeved on the sleeve portion 260.

[0039] The support base 320 is made of a flexible material so as to play a buffering role. In a specific embodiment, the support base 320 is made of a rubber material. The support base 320 is cylindrical as a whole. A second mounting groove 321 is provided on the support base 320. The shape of the second mounting groove 321 matches the shape of the outer sleeve 330. The end of the outer sleeve 330 away from the sleeve portion 260 is sleeved in the second mounting groove 321.

[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. For those skilled in the art, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be included in the protection scope of the present application.

Claims

1. A foldable landing gear for an unmanned aerial vehicle, characterized in that: include: An articulated seat (100) comprising a first locking hook (110), wherein the articulated seat (100) is fixed on the drone; A folding member (200) is hingedly connected to the hinge seat (100); A supporting leg (300) fixed to an end of the folding member (200) away from the hinge seat (100); The locking mechanism (400) comprises a locking member (410) and an elastic member (420), wherein the locking member (410) comprises a second locking hook (411), a first hinged portion (412) and a button portion (413) which are sequentially connected, the second locking hook (411) being arranged corresponding to the first locking hook (110), the first hinged portion (412) being hingedly arranged to the folding member (200), and the elastic member (420) being sandwiched between the button portion (413) and the folding member (200) to provide an elastic force so that the second locking hook (411) and the first locking hook (110) are matched and locked.

2. The foldable landing gear of the UAV according to claim 1, characterized in that: The articulated seat (100) further comprises a fixed portion (120) and a second articulated portion (130) which are connected and arranged, the fixed portion (120) being fixedly connected to the drone, and the second articulated portion (130) being articulated to the folding member (200).

3. The foldable landing gear of the UAV according to claim 2, characterized in that: The first locking hook (110) is in a hook shape extending from the second hinged portion (130) toward the fixing portion (120), and the second locking hook (411) is in a hook shape extending from the first hinged portion (412) toward the first locking hook (110) and bending in correspondence with the opening of the first locking hook (110).

4. The foldable landing gear of the UAV according to claim 2, characterized in that: The folding member (200) further comprises a main body, a third hinged portion (210) and a fourth hinged portion (220); the third hinged portion (210) is arranged on a side of the main body close to the hinge seat (100) and is hingedly arranged with the second hinged portion (130); and the fourth hinged portion (220) is arranged corresponding to the first hinged portion (412).

5. The foldable landing gear of the UAV according to claim 4, characterized in that: The folding member (200) further comprises a groove (230), wherein the groove (230) is arranged corresponding to the button portion (413), and the elastic member (420) is sandwiched between the bottom wall of the groove (230) and the button portion (413).

6. The foldable landing gear of the UAV according to claim 5, characterized in that: The folding member (200) further comprises a limiting plate (240), wherein the limiting plate (240) is arranged corresponding to the second locking hook (411) so as to limit the rotation angle of the second locking hook (411).

7. The foldable landing gear of the UAV according to claim 1, characterized in that: The support leg (300) comprises an outer sleeve (330) and a support base (320); the outer sleeve (330) is a hollow sleeve, one end of which is sleeved on the end of the folding member (200) away from the hinge seat (100), and the other end of which is sleeved on the support base (320).

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