Landing gear and unmanned aerial vehicle
By designing a locking and unlocking mechanism in the landing gear that works in conjunction with a latch, the problem of wear on the fuselage arm when the landing gear is folded is solved, thereby improving structural strength and ensuring stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU JOUAV DA PENG TECH CO LTD
- Filing Date
- 2025-07-09
- Publication Date
- 2026-07-24
AI Technical Summary
In existing technologies, landing gear causes wear and tear on the skin or arms when folded, resulting in insufficient structural strength.
A landing gear was designed that connects a latch to the fuselage arm and uses a locking mechanism to lock or unlock the aircraft, avoiding direct contact with the fuselage arm. The design employs a combination of latch, button, and elastic element to ensure the stability and strength of the locking mechanism.
It effectively avoids wear on the wings, improves the strength of the locking structure, and ensures the stability and durability of the landing gear during folding and unfolding.
Smart Images

Figure CN224546347U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of unmanned aerial vehicle (UAV) technology, specifically relating to a landing gear and an UAV. Background Technology
[0002] Landing gear is a critical component during takeoff and landing of a drone, used to dissipate and absorb energy during landing and braking. To facilitate storage when the drone is not in use, the landing gear is typically designed to rotate relative to the fuselage and is locked and unlocked via a locking mechanism. However, existing folding mechanisms lock the landing gear directly to the fuselage arm or skin, resulting in insufficient strength of the arm or skin and easy wear and tear over long-term use. Utility Model Content
[0003] The purpose of this utility model is to disclose a landing gear to solve the technical problem that the landing gear in the prior art causes wear and tear on the skin or arm when folded.
[0004] To achieve the above objectives, the first aspect of this utility model discloses a landing gear, comprising:
[0005] Locking latch, connected to the machine arm;
[0006] The landing gear body is rotatably mounted relative to the boom;
[0007] A locking mechanism is slidably disposed relative to the landing gear body and is used to cooperate with the latch to lock or unlock the landing gear body relative to the boom.
[0008] As an optional implementation, the landing gear body is provided with a mounting structure, and the mounting structure and the locking mechanism are slidably arranged.
[0009] As an optional implementation, the locking mechanism includes a latch, a button, and an elastic element. The elastic element abuts against the landing gear body and the latch, respectively. The latch is used to lock or unlock with the latch, and the button is used to apply an elastic force to the latch along the axial direction of the elastic element.
[0010] As an optional implementation, the latch and the button are detachably connected.
[0011] As an optional implementation, the latch and the button are connected by bolts;
[0012] The latch is provided with a first through hole arranged along the axial direction of the elastic element. The diameter of the first through hole is larger than the outer diameter of the bolt. The first through hole is used for the bolt to pass through.
[0013] As an optional implementation, the latch includes a mounting portion and a locking portion and a first connecting portion disposed at both ends of the mounting portion along the axial direction of the elastic member. The locking portion locks with the latch, the first connecting portion is connected to the button, and a movable groove for the latch to move is formed between the locking portion and the first connecting portion. The mounting portion is slidably disposed relative to the mounting structure.
[0014] As an optional implementation, the locking tongue further includes a supporting portion, which is located at the same end of the mounting portion as the locking portion and on opposite sides of the mounting portion, for supporting the mounting structure.
[0015] As an optional implementation, the latch includes a second connecting part and a fastening part. The second connecting part is used to connect with the machine arm, and the fastening part is provided with a locking hole for the locking mechanism to extend into in order to achieve a locking engagement.
[0016] As an optional implementation, the second connecting portion is provided with a first weight-reducing hole.
[0017] The second aspect of this utility model discloses a drone, comprising:
[0018] Organism;
[0019] The arm is connected to the machine body;
[0020] The landing gear includes a latch, the landing gear body, and a locking mechanism, wherein:
[0021] A latch is attached to the arm;
[0022] The landing gear body is rotatably mounted relative to the boom;
[0023] A locking mechanism is slidably disposed relative to the landing gear body and is used to cooperate with the latch to lock or unlock the landing gear body relative to the boom.
[0024] Compared with the prior art, the advantages of the landing gear and UAV of this utility model are as follows:
[0025] The landing gear of this utility model connects the locking mechanism to the boom, so that when the landing gear body is locked or unlocked relative to the boom, the locking mechanism can cooperate with the locking mechanism to lock or unlock, avoiding direct cooperation with the boom, ensuring the structural strength of the locking mechanism, and preventing the boom from being worn. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments 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.
[0027] Figure 1 This is a schematic diagram of the landing gear installed on the boom in an embodiment of this utility model;
[0028] Figure 2 yes Figure 1 Enlarged schematic diagram of point I in the middle;
[0029] Figure 3 yes Figure 1 A schematic diagram of the landing gear structure;
[0030] Figure 4 yes Figure 3 An exploded view of the landing gear;
[0031] Figure 5 yes Figure 4 A top view of the landing gear;
[0032] Figure 6 yes Figure 5 A cross-sectional view along the AA direction;
[0033] Figure 7 yes Figure 6 Enlarged schematic diagram at point II;
[0034] Figure 8 yes Figure 7 A schematic diagram of the locking mechanism in the middle;
[0035] Figure 9 yes Figure 8 An exploded view of the locking mechanism.
[0036] Explanation of key figure labels:
[0037] 100-Landing gear, 10-Lock, 11-Second connecting part, 12-Snapping part, 13-Lock hole, 14-First weight reduction hole, 20-Landing gear body, 21-Inner cavity, 22-Mounting structure, 221-Opening, 222-Through hole, 223-Second through hole, 224-Mounting cavity, 23-Second weight reduction hole, 30-Locking mechanism, 31-Lock tongue, 311-Receiving groove, 312-First through hole, 31 3-Installation part, 3131-Guide block, 314-Locking part, 3141-Guide slope, 315-First connecting part, 316-Supporting part, 3161-Through groove, 317-Limiting structure, 3171-Limiting block, 318-Moving groove, 319-Arc-shaped groove wall, 32-Button, 321-Guide groove, 33-Elastic element, 40-Electrical connecting piece, 50-Rotating shaft, 60-Bolt, 200-Archive. Detailed Implementation
[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0039] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.
[0040] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.
[0041] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.
[0042] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.
[0043] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.
[0044] Please see Figures 1 to 9 This application provides a landing gear 100, including a latch 10, a landing gear body 20, and a locking mechanism 30.
[0045] Please refer to Figures 1 to 4 The latch 10 is connected to the arm 200; the landing gear body 20 is rotatably arranged relative to the arm 200; the locking mechanism 30 is slidably arranged relative to the landing gear body 20 and is used to cooperate with the latch 10 to lock or unlock the landing gear body 20 relative to the arm 200.
[0046] The aforementioned landing gear 100, by connecting the latch 10 to the arm 200, allows the locking mechanism 30 to cooperate with the latch 10 to lock or unlock the landing gear body 20 when it is locked or unlocked relative to the arm 200, thus avoiding direct cooperation with the arm 200, ensuring the structural strength of the locking mechanism, and preventing wear on the arm 200.
[0047] In this embodiment, the landing gear body 20 is folded relative to the boom 200 via a pivot 50. Specifically, one hand drives the locking mechanism 30 to move and unlock the latch 10, while the other hand drives the landing gear body 20 to rotate relative to the boom 200 via the pivot 50, thus folding the landing gear body 20. When the landing gear body 20 is unfolded, the hand drives the landing gear body 20 to rotate, and the locking mechanism 30 and latch 10 cooperate to lock it, so that the landing gear body 20 can be in a stable unfolded state.
[0048] Please see Figure 3 and Figure 4 To reduce the weight of the landing gear body 20, the landing gear body 20 is a hollow structure, that is, an inner cavity 21 is formed inside the landing gear 20, and weight reduction holes 23 are provided to reduce the overall weight of the landing gear body 20.
[0049] Furthermore, to facilitate the installation of the locking mechanism 30, a mounting structure 22 is provided on the inner wall of the cavity 21 of the landing gear body 20. The mounting structure 22 has a mounting cavity 224, in which the locking mechanism 30 is movably disposed. The mounting cavity 224 has an opening 221, allowing the locking mechanism 30 to be exposed outside the landing gear body 20 for manual operation. Thus, the mounting structure 22 ensures the installation strength of the locking mechanism 30.
[0050] Please see Figures 4 to 9 This is a schematic diagram of the locking mechanism 30 in this embodiment, including a locking tongue 31, a button 32, and an elastic element 33. The two ends of the elastic element 33 abut against the landing gear body 20 (specifically, the mounting structure 22) and the locking tongue 31, respectively. The locking tongue 31 is used to lock or unlock with the latch 10. The button 32 is used to apply an elastic force to the locking tongue 31 along the axial direction of the elastic element 33. Thus, when it is necessary to fold the landing gear body 20 in the unfolded state, the button 32 compresses the elastic element 33. At this time, the locking tongue 31 disengages from the latch 10, thereby unlocking the landing gear body 20, allowing the landing gear body 20 to be rotated and folded.
[0051] Specifically, when the landing gear 100 is rotated relative to the boom 200, the pivot 50 is located on one side of one end of the landing gear body 20, and the locking mechanism 30 is located on the other side of the same end of the landing gear body 20, so that one end of the landing gear body 20 can cooperate with the boom 200 and the locking mechanism 30 respectively.
[0052] Understandably, please refer to Figures 7 to 9 To facilitate the installation of the elastic element 33, the latch 31 is provided with a receiving groove 311, in which part of the elastic element 33 is received. The receiving groove 311 allows for the positioning of the elastic element 33 and limits its extension and retraction. Furthermore, by using the receiving groove 311 to house the elastic element 33, the entire locking mechanism 30 can be miniaturized. In other embodiments, guide posts can be provided on the latch 31 to facilitate the installation of the elastic element 33, depending on the available space.
[0053] To facilitate the installation of the entire locking mechanism 30, the latch 31 and the button 32 are detachably connected. Thus, the elastic element 33, the latch 31, and the button 32 are sequentially installed on the mounting structure 22. Furthermore, the latch 31 and the button 32 are connected by bolts 60. The latch 31 has a first through hole 312 arranged along the axial direction of the elastic element 33. The diameter of the first through hole 312 is larger than the outer diameter of the bolt 60, so that the bolt 60 can pass through the first through hole 312. In this way, by setting the first through hole 312 on the latch 31, the bolt 60 can pass through the first through hole 312 to connect the latch 31 and the button 32 into a whole, thereby realizing the way in which the button 32 pushes the latch 31 to move.
[0054] Understandably, please refer to Figure 4 and Figure 7 In order to install the bolt 60, the mounting structure 22 is provided with a through hole 222 corresponding to the position of the first through hole 312. The diameter of the through hole 222 is larger than the outer diameter of the bolt 60, so that the bolt 60 can pass through the through hole 222 and the first through hole 312 sequentially from the side of the landing gear body 20 away from the button 32 and connect to the latch 31 and the button 32. In this way, the bolt 60 is hidden inside the latch 31, avoiding exposure and affecting the uniformity of the product structure, while improving the aesthetics.
[0055] Please see Figure 8 and Figure 9 The diagram shows the structure of the latch 31. The latch 31 has a movable groove 318. When the latch 31 is driven, the latch 10 is movably disposed in the movable groove 318.
[0056] Specifically, the locking tongue 31 includes a mounting portion 313, a locking portion 314 disposed at one end of the mounting portion 313 along the axial direction of the elastic member, and a first connecting portion 315 disposed at the other end of the mounting portion 313. A movable groove 318 is provided between the locking portion 314 and the mounting portion 313. The movable groove 318 includes a locking part and an extension part. The extension part is used for the latch 10 to extend or retract. When the locking portion 314 is locked on the latch 10, the latch 10 abuts against the groove wall of the locking part. The first connecting portion 315 is used to connect with the button 32. The mounting portion 313 and the mounting structure 22 are slidably disposed. Thus, by setting the mounting portion 313, the connection between the mounting portion 313, the locking portion 314, and the first connecting portion 315 is realized as a whole. At the same time, by sliding the mounting portion 313 and the mounting structure 22, the sliding of the button 32 is limited.
[0057] The locking part 314 and the mounting part 313 are connected by a first through hole 312 for the bolt 60 to pass through. Understandably, since the locking tongue 31 needs to avoid the latch 10 when the landing gear body 20 rotates relative to the arm 200, the movable groove 318 has an arc-shaped groove wall 319. The shape of the arc-shaped groove wall 319 can achieve the avoidance of the latch 10.
[0058] Furthermore, when the latch 31 and the latch 10 are locked together, in order to ensure that the latch 31 stops in time when locked, the latch 31 also includes a supporting part 316. The supporting part 316 and the locking part 314 are respectively provided at the same end of the mounting part 313 and on opposite sides of the mounting part 313, for supporting against the mounting structure 22. Thus, when the locking part 314 is driven to lock onto the latch 10 under the action of the elastic member 33, the supporting part 316 is simultaneously driven to support against the mounting structure 22. For example, the mounting structure 22 may be provided with a limiting block that supports against the supporting part 316 to limit the movement of the supporting part 316.
[0059] Specifically, please refer to Figure 4 In this embodiment, when the abutment part 316 is limited, the mounting structure 22 is provided with a second through hole 223. The abutment part 316 is movably disposed in the second through hole 223. When the abutment part 316 is hooked onto the hole wall of the second through hole 223, the locking part 314 is also locked onto the latch 10.
[0060] Understandably, in order to reduce the weight of the latch 31, a through groove 3161 can be provided in the abutment part 316 along the axial direction of the elastic member 33, so as to reduce the weight of the latch 31 while ensuring structural strength.
[0061] Understandably, when the landing gear body 20 is adjusted from the folded state to the unfolded state, in order to facilitate the locking tongue 31 entering the locking buckle 13, the locking part 314 is provided with a guide slope 3141, so that the locking buckle 10 can slide more smoothly into the movable groove 318.
[0062] In the installation of the latch 31 and the button 32, the button 32 is U-shaped and surrounds the latch 31. The latch 31 and the button 32 slide into the mounting structure 22 in sequence in the direction close to the elastic member 33. In order to facilitate the installation of the latch 31 and the button 32, a guide block 3131 can be provided on the latch 31, and a guide groove 321 can be provided on the button 32. The guide block 3131 is provided in the guide groove 321. Alternatively, in another embodiment, a slider is provided on the button 32 and a sliding groove is provided on the latch 31, both of which can realize the guiding cooperation between the latch 31 and the button 32.
[0063] Specifically, in this embodiment, a guide block 3131 is provided on the latch 31 and a guide groove 321 is provided on the button 32 to achieve the guiding installation between the button 32 and the latch 31.
[0064] Understandably, guide blocks 3131 can be provided on both sides of the latch 31 in the direction perpendicular to the axial direction of the elastic member 33, and the button 32 is provided with two guide grooves 321. One guide block 3131 and one guide groove 321 are slidably arranged accordingly. In this way, the guide blocks 3131 and guide grooves 321 on both sides cooperate to position each other, which further ensures the convenience of installation between the latch 31 and the button 32.
[0065] Understandably, please refer to Figure 1 and Figure 7 To facilitate the driving of button 32, a limiting structure 317 for sliding and limiting button 32 is provided on the outer wall of landing gear body 20. For example, the limiting structure 317 can be set to include two oppositely arranged limiting blocks 3171, which are arranged on both sides of button 32 and can cooperate with button 32 to ensure the uniformity of the structure; or the limiting structure 317 can be set as a frame and surrounded around button 32 to achieve the effect of limiting button 32.
[0066] Please see Figure 9 The diagram below shows the structure of the latch 10 in this embodiment. The latch 10 includes a second connecting part 11 and a fastening part 2. The second connecting part 11 is used to connect with the machine arm 200. The fastening part 2 is provided with a locking hole 13, which is used for the locking mechanism 30 to extend into in order to achieve locking engagement. In this way, by setting the second connecting part 11, multiple connection points can be set with the machine arm 200 to ensure the connection stability with the machine arm 200. By setting the locking hole 13 in the fastening part 2, locking is achieved by cooperating with the locking part 314 in the locking tongue 31.
[0067] Understandably, in order to reduce the weight of the latch 10, the second connecting part 11 is provided with a first weight reduction hole 14.
[0068] Further, please refer to Figure 6 To facilitate charging of the drone when it is parked on the parking platform, the landing gear 100 also includes an electrical connection piece 40. The electrical connection piece 40 is located at the end of the landing gear 100 away from the arm 200. When the drone is parked on the parking platform, the electrical connection piece 40 can connect with the connector on the parking platform to supply power to the drone, thus avoiding the waiting time required for subsequent restarts caused by power outages during the drone's battery swapping process.
[0069] The folding process of the landing gear 100 is as follows: one hand presses the button 32, the latch 31 disengages from the latch 10 and compresses the elastic element 33, and the other hand drives the landing gear body 20 to rotate relative to the arm 200, thereby folding the landing gear 100. After the landing gear 100 is folded, the button 32 and latch 10 return to their original positions under the elastic force of the elastic element 33. When the landing gear 100 needs to be unfolded, the hand presses the button 32, the latch 31 moves away from the latch 10, and when the landing gear 100 is rotated into place, the hand releases the button 32, and the latch 31 is driven into the locking hole 13 under the action of the elastic force, thereby locking the landing gear 100.
[0070] In another embodiment, the present invention also provides a drone, including a body, an arm 200, and a landing gear 100.
[0071] The arm 200 is connected to the fuselage; the landing gear 100 includes a latch 10, a landing gear body 20, and a locking mechanism 30, wherein: the latch 10 is connected to the arm 200; the landing gear body 20 is rotatably arranged relative to the arm 200; the locking mechanism 30 is slidably arranged relative to the landing gear body 20 and is used to cooperate with the latch 10 to lock or unlock the landing gear body 20 relative to the arm 200.
[0072] The aforementioned drone has a locking mechanism 30 and a locking buckle 10 on its arm 200. When the landing gear body 20 is locked or unlocked relative to the arm 200, the locking mechanism 30 and the locking buckle 10 lock or unlock together, ensuring the structural strength of the lock and avoiding damage to the arm 200.
[0073] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.
Claims
1. A landing gear, characterized in that, include: Locking latch, connected to the machine arm; The landing gear body is rotatably mounted relative to the boom; A locking mechanism is slidably disposed relative to the landing gear body and is used to cooperate with the latch to lock or unlock the landing gear body relative to the boom.
2. The landing gear according to claim 1, characterized in that, The landing gear body is provided with an installation structure, and the installation structure and the locking mechanism are slidably arranged.
3. The landing gear according to claim 2, characterized in that, The locking mechanism includes a latch, a button, and an elastic element. The elastic element abuts against the landing gear body and the latch respectively. The latch is used to lock or unlock with the latch. The button is used to apply an elastic force to the latch along the axial direction of the elastic element.
4. The landing gear according to claim 3, characterized in that, The latch and the button are detachably connected.
5. The landing gear according to claim 4, characterized in that, The latch and the button are connected by bolts; The latch is provided with a first through hole arranged along the axial direction of the elastic element. The diameter of the first through hole is larger than the outer diameter of the bolt. The first through hole is used for the bolt to pass through.
6. The landing gear according to claim 3, characterized in that, The latch includes a mounting portion and a locking portion and a first connecting portion disposed at both ends of the mounting portion along the axial direction of the elastic member. The locking portion locks with the latch, the first connecting portion is connected to the button, and a movable groove for the latch to move is formed between the locking portion and the first connecting portion. The mounting portion is slidably disposed relative to the mounting structure.
7. The landing gear according to claim 6, characterized in that, The locking tongue also includes a supporting portion, which is located at the same end of the mounting portion as the locking portion and on opposite sides of the mounting portion, for supporting the mounting structure.
8. The landing gear according to claim 1 or 2, characterized in that, The latch includes a second connecting part and a fastening part. The second connecting part is used to connect with the machine arm, and the fastening part is provided with a locking hole for the locking mechanism to extend into in order to achieve locking engagement.
9. The landing gear according to claim 8, characterized in that, The second connecting part is provided with a first weight reduction hole.
10. A drone, characterized in that, include: Organism; The arm is connected to the machine body; The landing gear includes a latch, the landing gear body, and a locking mechanism, wherein: A latch is attached to the arm; The landing gear body is rotatably mounted relative to the boom; A locking mechanism is slidably disposed relative to the landing gear body and is used to cooperate with the latch to lock or unlock the landing gear body relative to the boom.