Adjustable undercarriage structure of small unmanned aerial vehicle

Abstract

The utility model provides an adjustable small unmanned aerial vehicle undercarriage structure which comprises a secondary telescopic rod, and a connecting base is fixed to the upper end of the secondary telescopic rod through a bolt. Transverse struts are fixed at the lower ends of the secondary telescopic rods through bolts; buffer sleeves are glued to the left and right sides of the outer wall of the transverse supporting rod; the outer side of the second-stage telescopic rod is connected with a connecting positioning frame structure; the connection positioning frame structure is connected with an expansion protection seat structure; the right side of the expansion protection seat structure is connected with wires; an assembling head is embedded in the end of the wire. According to the expansion protection seat structure, the air bag is inflated and expanded for use, so that the functions of the unmanned aerial vehicle and the protection effect are increased, floating protection is performed when the unmanned aerial vehicle falls into water, and the protection effect is prevented from being influenced by sinking.

Description

TECHNICAL FIELD

[0001] The utility model belongs to unmanned aerial vehicle accessory technical field especially, it relates to a kind of adjustable small unmanned aerial vehicle landing gear structure. BACKGROUND

[0002] Small unmanned aerial vehicle landing gear structure is indispensable component in unmanned aerial vehicle system, it plays a vital role in ensuring the stability and safety of unmanned aerial vehicle, it not only carries the body support function of unmanned aerial vehicle when taking off, landing and parking, but also is responsible for the stability and safety of unmanned aerial vehicle when moving on the ground, but its protective property to unmanned aerial vehicle is poor, and then when falling into water, it cannot protect unmanned aerial vehicle, and affect its protection effect. SUMMARY

[0003] To solve the above technical problems, the utility model provides a kind of adjustable small unmanned aerial vehicle landing gear structure, realize the function of increasing unmanned aerial vehicle function and protection effect, and then float protection when falling into water, prevent sinking from affecting protection effect.

[0004] Its technical scheme is as follows: a kind of adjustable small unmanned aerial vehicle landing gear structure, including two-stage telescopic rod, two-stage telescopic rod upper end bolt fixed with connecting seat;Two-stage telescopic rod lower end bolt fixed with horizontal support;The left and right sides of the outer wall of horizontal support are all glued with buffer sleeve;Two-stage telescopic rod outside is connected with connecting positioning frame structure;Connecting positioning frame structure is connected with expansion protection seat structure;Expansion protection seat structure right side is connected with wire;Wire end is embedded with assembly head, characterized in that, expansion protection seat structure includes connecting shell, and aluminum foil layer is glued on the lower surface of connecting shell;The middle part of the upper part in connecting shell is bolted with connecting head;The lower part of the outer wall of connecting head is bolted with blocking plate;Air bag is glued to the lower part of blocking plate, and air bag inlet is embeddedly connected with the lower end of connecting head and is communicated;Electromagnetic valve is threadedly connected with the left end of connecting head, and is communicated with each other;Gas cylinder is threadedly connected with the left end of electromagnetic valve, and gas cylinder is glued in connecting shell.

[0005] Preferably, the connecting shell is connected to the air bag by the blocking plate.

[0006] Preferably, the opening at the lower end of the connecting shell is closed by the aluminum foil layer.

[0007] Compared with the prior art, the utility model has the advantages that:

[0008] In the utility model, the connecting shell and the aluminum foil layer are used to place and wrap the air bag.

[0009] The utility model discloses a connecting head, solenoid valve and gas cylinder's setting, to the gas bag carries out inflation and expansion use, and then increases the function of unmanned plane function and protection effect, and then floats protection when falling into the water, prevents sinking influence protection effect.

[0010] The utility model discloses a two-stage telescopic rod's setting realizes the function of adjusting length and being suitable for different unmanned planes. ACCURACY OF DRAWINGS

[0011] Figure 1 It is the structure schematic drawing of the utility model.

[0012] Figure 2 It is the structure schematic drawing of the utility model's inflation protection seat structure.

[0013] Figure 3 It is the structure schematic drawing of the utility model's connecting positioning frame structure.

[0014] In the drawing,

[0015] 1, two-stage telescopic rod, 2, connecting seat, 3, horizontal support rod, 4, buffer sleeve, 5, connecting positioning frame structure, 51, connecting sleeve, 52, fixed rod, 53, hanging seat, 54, connecting edge, 6, inflation protection seat structure, 61, connecting shell, 62, gas bag, 63, aluminum foil layer, 64, barrier plate, 65, connecting head, 66, solenoid valve, 67, gas cylinder, 7, wire, 8, assembling head. DETAILED DESCRIPTION

[0016] The utility model will be further described below in connection with the drawings:

[0017] Embodiment:

[0018] As shown in the accompanying Figure 1 A small unmanned plane landing gear structure of adjustable, including two-stage telescopic rod 1, two-stage telescopic rod 1 upper end bolt fixed with connecting seat 2, two-stage telescopic rod 1 lower end bolt fixed with horizontal support rod 3, and the left and right sides of the outer wall of horizontal support rod 3 are all glued with buffer sleeve 4, two-stage telescopic rod 1 outside is connected with connecting positioning frame structure 5, connecting positioning frame structure 5 is connected with inflation protection seat structure 6, and inflation protection seat structure 6 right side is connected with wire 7, and wire 7 end is inlaid with assembling head 8.

[0019] As shown in the accompanying Figure 2As shown in the above embodiment, specifically, the expansion protection seat structure 6 includes a connecting shell 61, the lower surface of the connecting shell 61 is glued with an aluminum foil layer 63; the middle part of the upper part of the inside of the connecting shell 61 is bolted with a connecting head 65; the lower part of the outer wall of the connecting head 65 is bolted with a blocking plate 64; the lower part of the blocking plate 64 is glued with an air bag 62, and the air bag 62 is inlaidly connected with the lower end of the connecting head 65 and is in communication; the left end of the electromagnetic valve 66 is threadedly connected with the gas cylinder 67, and the gas cylinder 67 is glued in the connecting shell 61; the electromagnetic valve 66 drives the gas cylinder 67 and the connecting head 65 to inject air into the air bag 62 to expand, and then breaks the aluminum foil layer 63 to expand.

[0020] As shown in the accompanying drawings Figure 3 As shown in the above embodiment, specifically, the connecting positioning frame structure 5 includes a connecting sleeve 51, the inside of the connecting sleeve 51 is bolted with a fixed rod 52; the outside of the fixed rod 52 is sleeved with a hanging seat 53; the left and right two parts of the hanging seat 53 are integrally provided with connecting edges 54.

[0021] In the above embodiment, specifically, the connecting shell 61 is connected with the air bag 62 through the blocking plate 64.

[0022] In the above embodiment, specifically, the opening at the lower end of the connecting shell 61 is closed by the aluminum foil layer 63.

[0023] In the above embodiment, specifically, the gas cylinder 67 is in communication with the air bag 62 through the electromagnetic valve 66 and the connecting head 65, and the electromagnetic valve 66 is electrically connected with the assembling head 8 through the wire 7, and can be electrically connected with the unmanned aerial vehicle for operation control.

[0024] In the above embodiment, specifically, the connecting sleeve 51 is bolted on the outer wall of the secondary telescopic rod 1 and supports the fixed rod 52.

[0025] In the above embodiment, specifically, the connecting edges 54 at the lower end of the hanging seat 53 are bolted with the connecting shell 61, and are installed and used in cooperation with the connecting shell 61.

[0026] Working principle

[0027] In the utility model, when connecting with the unmanned aerial vehicle for take-off protection, the length of the secondary telescopic rod 1 is first adjusted and the bolt at the connecting part is tightened, then the connecting seat 2 is bolted at the bottom of the unmanned aerial vehicle, so that the secondary telescopic rod 1, the horizontal supporting rod 3 and the buffer sleeve 4 are supported for take-off protection, when the unmanned aerial vehicle falls due to low power or crashes, the electromagnetic valve 66 drives the gas cylinder 67 and the connecting head 65 to inject air into the air bag 62 to expand, and then breaks the aluminum foil layer 63 to expand, so that floating protection is realized when falling into the water body.

[0028] The technical scheme of the utility model, or the technical scheme inspired by the technical scheme of the utility model, designs similar technical scheme, and achieves the above technical effect, and falls into the protection range of the utility model.

Claims

1. An adjustable small unmanned aerial vehicle landing gear structure, comprising a two-stage telescopic rod (1), a connecting seat (2) is bolted on the upper end of the two-stage telescopic rod (1); a horizontal support rod (3) is bolted on the lower end of the two-stage telescopic rod (1); a buffer sleeve (4) is glued on the left and right sides of the outer wall of the horizontal support rod (3); a connecting positioning frame structure (5) is connected to the outside of the two-stage telescopic rod (1); an expansion protection seat structure (6) is connected to the connecting positioning frame structure (5); a wire (7) is connected to the right side of the expansion protection seat structure (6); an assembly head (8) is inlaid at the end of the wire (7), characterized in that, The expansion protection seat structure (6) includes a connecting shell (61), an aluminum foil layer (63) is glued to the lower surface of the connecting shell (61); a connecting head (65) is bolted to the middle part of the upper inside of the connecting shell (61); a blocking plate (64) is bolted to the lower part of the outer wall of the connecting head (65); an air bag (62) is glued to the lower part of the blocking plate (64), and the air bag (62) is inlayed and connected with the lower end of the connecting head (65) and communicates with each other; an electromagnetic valve (66) is threadedly connected to the left end of the connecting head (65) and communicates with each other; a gas cylinder (67) is threadedly connected to the left end of the electromagnetic valve (66), and the gas cylinder (67) is glued in the connecting shell (61).

2. The adjustable small drone landing gear structure of claim 1, wherein, The connecting positioning frame structure (5) includes a connecting sleeve (51), a fixed rod (52) is bolted to the inner side of the connecting sleeve (51); a hanging seat (53) is sleeved to the outer side of the fixed rod (52); the left and right two parts of the hanging seat (53) are integrally provided with connecting edges (54).

3. The adjustable small UAV landing gear structure of claim 1, wherein, The connecting shell (61) is connected with the air bag (62) through the blocking plate (64) inside the connecting shell (61).

4. The adjustable small UAV landing gear structure of claim 1, wherein, The opening of the lower end of the connecting shell (61) is closed by the aluminum foil layer (63).

5. The adjustable small UAV landing gear structure of claim 1, wherein, The gas cylinder (67) communicates with the air bag (62) through the electromagnetic valve (66) and the connecting head (65), and the electromagnetic valve (66) is electrically connected with the assembling head (8) through the wire (7).

6. The adjustable small UAV landing gear structure of claim 2, wherein, The connecting sleeve (51) is bolted to the outer wall of the secondary telescopic rod (1) and supports the fixed rod (52).

7. The adjustable small UAV landing gear structure of claim 2, wherein, The connecting edges (54) of the lower end of the hanging seat (53) are bolted to the connecting shell (61).

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