Foldable unmanned aerial vehicle undercarriage

Abstract

The utility model belongs to the technical field of unmanned aerial vehicle undercarriages, and particularly relates to a foldable unmanned aerial vehicle undercarriage which comprises a fixing frame and folding legs, a connecting base used for being connected with an unmanned aerial vehicle body is arranged at the upper end of the fixing frame, a containing groove is formed in the left side of the fixing frame, and the folding legs are rotationally connected to the lower end of the containing groove. The side wall of the right side of the storage groove forms a limiting face, a fixing base is fixedly connected to the upper portion of the right side of the folding leg, a fixing insertion block is slidably connected into the fixing base, a groove is formed in the fixing base, a first thrust spring is installed between the groove and the fixing insertion block, and a fixing insertion groove is formed in the right side of the lower end of the fixing frame. The folding legs are folded in the storage grooves, on the premise that the landing gear of the unmanned aerial vehicle is not detached, the occupied space of the unmanned aerial vehicle during storage can be reduced, and carrying and transportation are convenient.

Description

Technical Field

[0001] The utility model relates to the field of unmanned aerial vehicle landing gear, in particular to a foldable unmanned aerial vehicle landing gear. Background Art

[0002] With the development and growth of drones in the aircraft family, their multi-purpose capabilities and convenience under information conditions have attracted much attention, and the scope of use of drones is becoming more and more extensive.

[0003] The existing UAV landing gear is difficult to fold, so it takes up a large space when stored, which brings inconvenience to carrying and transportation. If the landing gear is removed for storage, the operation is time-consuming and laborious. Therefore, the utility model provides a foldable UAV landing gear. Utility Model Content

[0004] The purpose of the utility model is to provide a foldable UAV landing gear to solve the above problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foldable UAV landing gear, comprising a fixed frame and a folding leg, the upper end of the fixed frame is provided with a connecting seat for connecting with the UAV fuselage, the left side of the fixed frame is provided with a storage groove, the lower end of the storage groove is rotatably connected with the folding leg, the right side wall of the storage groove constitutes a limiting surface, the upper right side of the folding leg is fixedly connected with a fixed seat, the fixed seat is slidably connected with a fixed plug block, the fixed seat is provided with a groove, a first thrust spring is installed between the groove and the fixed plug block, a fixed slot is provided on the right side of the lower end of the fixed frame, an end of the fixed plug block away from the fixed seat is inserted into the fixed slot, the upper end of the storage groove is provided with an installation groove, a fixed block is slidably connected in the installation groove, a second thrust spring is installed between the upper end of the fixed block and the upper end of the installation groove, a V-shaped groove is provided at the bottom of the folding leg, the lower side of the fixed block is adapted to the V-shaped groove, and the fixed block is connected with a moving component.

[0006] Preferably, a downward sliding hole is opened on the lower side of the fixing seat, the downward sliding hole is slidably connected to the fixing plug block, and the downward sliding hole is communicated with the groove.

[0007] Preferably, the upper end of the fixing seat is connected with a cover plate by screws, an upper sliding hole is opened in the middle of the cover plate, and the fixing plug block is slidably connected with the upper sliding hole.

[0008] Preferably, a protrusion is provided on the outer wall of the fixed plug block, and the upper end of the first thrust spring is fixedly connected to the protrusion.

[0009] Preferably, a guide surface is provided on the upper end of the fixed plug block.

[0010] Preferably, a threaded hole is formed at the lower end of the fixing frame, the threaded hole is communicated with the fixing slot, and an anti-loosening bolt is screwed into the threaded hole.

[0011] Preferably, a pull rod is installed at the bottom of the fixed plug block.

[0012] Preferably, the moving component includes a moving groove and a moving rod, a moving groove is opened on the upper front side of the fixed frame, the moving groove is connected to the mounting groove, the front end of the fixed block is connected to the moving rod by screws, and the moving rod extends to the front side of the moving groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1) In the utility model, a storage slot is provided on the fixed frame for storing and folding the folding legs. The folding and opening process is convenient to operate and the fixing is stable. By folding the folding legs in the storage slot, the space occupied by the drone during storage can be reduced without disassembling the drone landing gear, making it convenient to carry and transport;

[0015] 2) When the folding legs are opened, the limiting surface is used to limit the limit position of the folding legs. By pulling the fixed plug block downward, after the folding legs are rotated to the limit position, the fixed plug block is released. Under the action of the first thrust spring, the fixed plug block is inserted into the fixed slot, thereby maintaining the fixation between the fixed frame and the folding legs, and the operation of opening the folding legs as a whole is more convenient;

[0016] 3) When folding the folding legs, pull the fixed plug block downward to disengage the fixed plug block from the fixed slot, rotate the folding legs into the storage slot, push the fixed block upward so that the folding legs can be smoothly stored in the storage slot, and then release the fixed block. Under the action of the second thrust spring, the fixed block is inserted into the V-shaped groove to ensure the stability of the folding legs after folding and storage, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the first schematic diagram of the structure of the utility model;

[0018] Figure 2 This is the second schematic diagram of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0021] Figure 5 For this utility model Figure 3 Schematic diagram of the enlarged structure at B.

[0022] In the figure: 1. fixing frame; 2. folding leg; 3. connecting seat; 4. V-shaped groove; 5. storage groove; 6. limiting surface; 7. fixing seat; 8. upper sliding hole; 9. lower sliding hole; 10. groove; 11. first thrust spring; 12. pull rod; 13. fixing block; 14. fixing slot; 15. guide surface; 16. threaded hole; 17. anti-loosening bolt; 18. mounting slot; 19. second thrust spring; 20. fixing block; 21. moving slot; 22. moving rod; 23. protrusion; 24. cover plate. DETAILED DESCRIPTION

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

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Example:

[0027] See also Figure 1-5The utility model provides a technical solution: a foldable UAV landing gear, including a fixing frame 1 and a folding leg 2. The upper end of the fixing frame 1 is provided with a connecting seat 3 for connecting with the UAV fuselage. The connecting seat 3 is fixed to the UAV fuselage by bolts. A storage slot 5 is opened on the left side of the fixing frame 1. The lower end of the storage slot 5 is rotatably connected with the folding leg 2. The folding leg 2 can support the UAV. The right side wall of the storage slot 5 constitutes a limiting surface 6 to limit the extreme position of the folding leg 2 when opened. A fixing seat 7 is fixedly connected to the upper right side of the folding leg 2. A fixed plug 13 is slidably connected to the fixing seat 7. The fixing seat 7 is opened There is a groove 10, and a first thrust spring 11 is installed between the groove 10 and the fixed plug block 13. A fixed slot 14 is opened on the right side of the lower end of the fixed frame 1, and the end of the fixed plug block 13 away from the fixed seat 7 is inserted into the fixed slot 14. An installation groove 18 is opened on the upper end of the storage groove 5, and a fixed block 20 is slidably connected in the installation groove 18. A second thrust spring 19 is installed between the upper end of the fixed block 20 and the upper end of the installation groove 18. A V-shaped groove 4 is opened at the bottom of the folding leg 2, and the lower side of the fixed block 20 is adapted to the V-shaped groove 4. The folding leg 2 can be fixed by the fixed block 20 cooperating with the V-shaped groove 4, and the fixed block 20 is connected to a moving component.

[0028] A downward sliding hole 9 is provided at the lower side of the fixing seat 7 , the downward sliding hole 9 is slidably connected to the fixing plug block 13 , and the downward sliding hole 9 is communicated with the groove 10 .

[0029] The upper end of the fixing seat 7 is connected with a cover plate 24 by screws, and an upper sliding hole 8 is opened in the middle of the cover plate 24, and the fixing plug block 13 is slidably connected with the upper sliding hole 8.

[0030] The outer wall of the fixed plug block 13 is provided with a protrusion 23, and the upper end of the first thrust spring 11 is fixedly connected to the protrusion 23. The first thrust spring 11 can be inserted into the groove 10 and limited by the cover plate 24, which is convenient for installation.

[0031] A guide surface 15 is formed on the upper end of the fixing plug 13 to facilitate insertion into the fixing slot 14 .

[0032] A threaded hole 16 is provided at the lower end of the fixing frame 1 , the threaded hole 16 is communicated with the fixing slot 14 , and an anti-loosening bolt 17 is screwed into the threaded hole 16 to improve stability.

[0033] A pull rod 12 is installed at the bottom of the fixed plug block 13 for pulling the fixed plug block 13 .

[0034] The moving component includes a moving groove 21 and a moving rod 22. The moving groove 21 is opened on the front side above the fixed frame 1. The moving groove 21 is connected to the installation groove 18. The front end of the fixed block 20 is connected to the moving rod 22 by screws. The moving rod 22 extends to the front side of the moving groove 21, and the fixed block 20 is driven to move by the moving rod 22.

[0035] Working principle: when the folding leg 2 is opened, the limit position of the folding leg 2 for rotation and opening is limited by the limiting surface 6, and the fixed plug block 13 is pulled downward. After the folding leg 2 is rotated to the limit position, the fixed plug block 13 is released. Under the action of the first thrust spring 11, the fixed plug block 13 is inserted into the fixed slot 14, thereby maintaining the fixation between the fixed frame 1 and the folding leg 2. The operation of opening the folding leg 2 as a whole is relatively convenient. When the folding leg 2 is stored and folded, the fixed plug block 13 is pulled downward to disengage the fixed plug block 13 from the fixed slot 14, and the folding leg 2 is rotated into the storage slot 5. The fixed block 20 is pushed upward by the moving rod 22, so that the folding leg 2 can be smoothly stored in the storage slot 5, and then the moving rod 22 is released. Under the action of the second thrust spring 19, the fixed block 20 is inserted into the V-shaped groove 4, which ensures the stability of the folding leg 2 after storage and folding, and the operation is convenient.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foldable drone landing gear, comprising a fixing frame (1) and folding legs (2), wherein the fixing frame (1) is provided with a connecting seat (3) at the upper end thereof for connecting with the drone fuselage, characterized in that: The fixed frame (1) is provided with a storage groove (5) on the left side, the lower end of the storage groove (5) is rotatably connected to a folding leg (2), the right side wall of the storage groove (5) forms a limiting surface (6), the upper right side of the folding leg (2) is fixedly connected to a fixed seat (7), a fixed plug (13) is slidably connected in the fixed seat (7), a groove (10) is provided in the fixed seat (7), a first thrust spring (11) is installed between the groove (10) and the fixed plug (13), and the lower right side of the fixed frame (1) is provided with a fixed A slot (14), one end of the fixed plug block (13) away from the fixed seat (7) is inserted into the fixed slot (14), the upper end of the storage slot (5) is provided with a mounting slot (18), a fixed block (20) is slidably connected in the mounting slot (18), a second thrust spring (19) is installed between the upper end of the fixed block (20) and the upper end of the mounting slot (18), a V-shaped groove (4) is provided at the bottom of the folding leg (2), the lower side of the fixed block (20) is adapted to the V-shaped groove (4), and the fixed block (20) is connected to a moving component.

2. The foldable UAV landing gear according to claim 1, characterized in that: A lower sliding hole (9) is provided on the lower side of the fixing seat (7), the lower sliding hole (9) and the fixing plug block (13) are slidably connected, and the lower sliding hole (9) is communicated with the groove (10).

3. The foldable UAV landing gear according to claim 2, characterized in that: The upper end of the fixing seat (7) is connected to a cover plate (24) via screws, an upper sliding hole (8) is provided in the middle of the cover plate (24), and the fixing plug block (13) and the upper sliding hole (8) are slidably connected.

4. The foldable UAV landing gear according to claim 3, characterized in that: The outer wall of the fixed plug block (13) is provided with a protrusion (23), and the upper end of the first thrust spring (11) is fixedly connected to the protrusion (23).

5. The foldable UAV landing gear according to claim 1, characterized in that: The upper end of the fixed plug block (13) is provided with a guide surface (15).

6. The foldable UAV landing gear according to claim 1, characterized in that: A threaded hole (16) is provided at the lower end of the fixing frame (1), the threaded hole (16) is communicated with the fixing slot (14), and a locking bolt (17) is screwed into the threaded hole (16).

7. The foldable UAV landing gear according to claim 1, characterized in that: A pull rod (12) is installed at the bottom of the fixed plug block (13).

8. The foldable UAV landing gear according to claim 1, characterized in that: The moving assembly comprises a moving groove (21) and a moving rod (22); the moving groove (21) is provided on the upper front side of the fixing frame (1); the moving groove (21) is connected to the mounting groove (18); the front end of the fixing block (20) is connected to the moving rod (22) via screws; the moving rod (22) extends to the front side of the moving groove (21).

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