CN219077471U

CN219077471U - Unmanned aerial vehicle undercarriage

Info

Publication number: CN219077471U
Application number: CN202222779858.5U
Authority: CN
Inventors: 马新生
Original assignee: Xi'an Beiteng Aviation Technology Co ltd
Current assignee: Xi'an Beiteng Aviation Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-05-26
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses an unmanned aerial vehicle landing gear, which relates to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body and a mounting plate, wherein a double-thread screw rod is symmetrically and rotationally arranged at the bottom of the mounting plate, a nut sliding block is symmetrically and rotationally connected to the outer wall of the double-thread screw rod, a supporting rod is symmetrically and rotationally arranged at the bottom of the nut sliding block, a connecting shaft is rotationally connected to the middle part of the supporting rod, a round rod is symmetrically and rotationally arranged at the four corners of the bottom of the mounting plate, the round rod is in sliding connection with the connecting shaft, and a first circular plate is fixedly connected to the top of the outer wall of the round rod. According to the utility model, through the cooperation arrangement among the connecting shaft, the circular rod, the first circular plate, the first spring and the pulley, the reaction generated by the landing gear when the unmanned aerial vehicle body is dropped can be effectively reduced, so that the unmanned aerial vehicle body can be better protected, and meanwhile, the supporting rod can be folded by controlling the reversing of the double-thread screw rod.

Description

Unmanned aerial vehicle undercarriage

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle landing gear.

Background

Unmanned aerial vehicle is the unmanned aerial vehicle that utilizes radio remote control equipment and self-contained program control device to operate, and current unmanned aerial vehicle undercarriage can produce reaction force and unmanned aerial vehicle when the landing gear contacts ground when the whereabouts, causes unmanned aerial vehicle bottom or inside part to damage.

In China, patent application number: CN202122268253.5 discloses an unmanned aerial vehicle undercarriage, and the structure includes the mounting panel, the articulated seat is all installed to the both sides of mounting panel bottom, and the inside intermediate position department rotation of articulated seat is connected with the articulated lever, torsion spring is all installed to the both sides of articulated lever outer wall, and the sleeve pipe is installed to the bottom of articulated lever. This unmanned aerial vehicle undercarriage, undercarriage can produce reaction force and unmanned aerial vehicle when the contact ground when the whereabouts, causes unmanned aerial vehicle bottom or inside part to damage, and the spring resilience can cause unmanned aerial vehicle whereabouts unstable.

Therefore, it is necessary to provide an unmanned aerial vehicle landing gear to solve the above problems.

Disclosure of Invention

(one) solving the technical problems

The utility model aims at: in order to solve the problem that the landing gear of the unmanned aerial vehicle is unstable in falling due to the fact that the landing gear can generate reaction force and the unmanned aerial vehicle when the landing gear contacts the ground during falling, parts at the bottom or inside of the unmanned aerial vehicle are damaged, and springs rebound.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides an unmanned aerial vehicle undercarriage, includes unmanned aerial vehicle body and mounting panel, the bottom symmetry of mounting panel rotates installs double-thread screw, double-thread screw's outer wall symmetry threaded connection has the nut slider, the bottom symmetry of nut slider rotates and installs the bracing piece, the middle part of bracing piece rotates and is connected with the connecting axle, the bottom four corners symmetry of mounting panel rotates and installs circular pole, circular pole and connecting axle sliding connection, the first plectane of outer wall top fixedly connected with of circular pole, the first spring of lower fixed surface of first plectane, the one end fixedly connected with second plectane of first plectane is kept away from to first spring, second plectane and circular pole sliding connection, first spring cup joints with circular pole, the installation axle is installed in the bottom rotation of bracing piece, the both ends symmetry fixedly connected with pulley of installation axle.

Further, the middle part fixedly connected with gear of installation axle, the bracing piece is close to the inboard fixedly connected with rectangular block of one end of installation axle.

Further, the middle part sliding connection of rectangle piece has the rectangle pole, the bottom fixedly connected with spacing ring of rectangle pole.

Further, the limiting ring is mutually matched with the gear, and the rectangular rod is in sliding connection with the rectangular block through a second spring.

Further, U-shaped plates are symmetrically and fixedly arranged at two ends of the mounting plate, and third springs are symmetrically and fixedly connected to the inner sides of the U-shaped plates.

Further, one end of the third spring, which is far away from the U-shaped plate, is fixedly connected with a clamping block, and the clamping block is in fit connection with the U-shaped plate.

Further, the lower surface fixedly connected with rectangular plate of unmanned aerial vehicle body, rectangular plate passes through clamping piece and U-shaped board fixed mounting.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

1. according to the utility model, through the cooperation arrangement among the connecting shaft, the circular rod, the first circular plate, the first spring and the pulley, the reaction generated by the landing gear when the unmanned aerial vehicle body is dropped can be effectively reduced, so that the unmanned aerial vehicle body can be better protected, and meanwhile, the supporting rod can be folded by controlling the reversing of the double-thread screw rod.

2. According to the utility model, through the cooperation arrangement between the gear and the limiting ring and the combination of the limitation of the double-thread screw rod on the nut sliding block, the pulley can only rotate unidirectionally, and the friction force between the pulley and the ground can be effectively increased, so that the angle change of the supporting rod is reduced, the resilience force of the first spring is effectively counteracted, and the landing of the unmanned aerial vehicle body is more stable.

3. According to the utility model, through the matching arrangement among the third spring, the clamping block and the rectangular plate, the unmanned aerial vehicle body and the mounting plate can be mounted more conveniently and rapidly, and meanwhile, the stability of the connecting position is better.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic perspective bottom view of the structure of the present utility model;

FIG. 3 is a schematic perspective cross-sectional view of the structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the area A in FIG. 1 according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of the B region in fig. 3 according to the present utility model.

Reference numerals: 1. an unmanned aerial vehicle body; 2. a mounting plate; 3. a double-thread screw; 4. a nut slider; 5. a support rod; 6. a connecting shaft; 7. a circular rod; 8. a first circular plate; 9. a first spring; 10. a second circular plate; 11. a mounting shaft; 12. a pulley; 13. a gear; 14. rectangular blocks; 15. a rectangular bar; 16. a limiting ring; 17. a second spring; 18. a U-shaped plate; 19. a third spring; 20. a clamping block; 21. and a rectangular plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, an unmanned aerial vehicle landing gear comprises an unmanned aerial vehicle body 1 and a mounting plate 2, a double-thread screw 3 is symmetrically rotatably mounted at the bottom of the mounting plate 2, a nut sliding block 4 is symmetrically connected with the outer wall of the double-thread screw 3 in a threaded manner, a supporting rod 5 is symmetrically rotatably mounted at the bottom of the nut sliding block 4, a connecting shaft 6 is rotatably connected at the middle part of the supporting rod 5, a round rod 7 is symmetrically rotatably mounted at the four corners of the bottom of the mounting plate 2, the round rod 7 is slidably connected with the connecting shaft 6, a first circular plate 8 is fixedly connected at the top of the outer wall of the round rod 7, a first spring 9 is fixedly connected with the lower surface of the first circular plate 8, a second circular plate 10 is fixedly connected with one end of the first spring 9, which is far away from the first circular plate 8, the second circular plate 10 is slidably connected with the round rod 7, the first spring 9 is sleeved with the round rod 7, a mounting shaft 11 is rotatably mounted at the bottom of the supporting rod 5, and pulleys 12 are symmetrically and fixedly connected at the two ends of the mounting shaft 11.

In this embodiment, through the rotation of control double screw lead screw 3, make two sets of nut slider 4 relative movement, under the effect of bracing piece 5 gravity and round bar 7, make round bar 7 extend, when unmanned aerial vehicle body 1 descends with ground contact, pulley 12 will slide along the ground, connecting axle 6 at messenger's bracing piece 5 middle part compresses first plectane 8, thereby make first spring 9 compress, through connecting axle 6, round bar 7, cooperation setting between first plectane 8, first spring 9 and the pulley 12, under the reaction that landing gear produced when can effectually reduce unmanned aerial vehicle body 1 and descend, thereby protection unmanned aerial vehicle body 1 that can be better.

Example 2

Referring to fig. 1-5, in this embodiment, a gear 13 is fixedly connected to the middle of the mounting shaft 11, a rectangular block 14 is fixedly connected to the inner side of one end of the support rod 5 near the mounting shaft 11, and the length of the connecting shaft 6 plus half of the support rod 5 is smaller than half of the double-threaded screw 3, so that the support rod 5 can be horizontally folded at the bottom of the mounting plate 2, the two sets of nut sliders 4 cannot collide, and meanwhile, the width between the two support rods 5 is larger than the diameter of the first circular plate 8, so that the first circular plate 8 and the circular rod 7 can be accommodated inside the two support rods 5.

Specifically, the middle part sliding connection of rectangular piece 14 has rectangular rod 15, and the bottom fixedly connected with spacing ring 16 of rectangular rod 15.

Specifically, the limiting ring 16 is mutually matched with the gear 13, the rectangular rod 15 is in sliding connection with the rectangular block 14 through the second spring 17, the tooth shapes of the outer walls of the gear 13 and the limiting ring 16 are right trapezoid, and the teeth on the gear 13 can slide along one direction on the limiting ring 16.

In this embodiment, through setting up gear 13, when first spring 9 is compressed, gear 13 will slide along spacing ring 16, will strike spacing ring 16 simultaneously, make rectangle pole 15 along the gliding of rectangle piece 14 and tensile second spring 17, thereby make gear 13 unidirectional rotation, cooperation setting between gear 13 and spacing ring 16 combines the restriction of double thread lead screw 3 to nut slider 4 simultaneously, can make pulley 12 only can carry out unidirectional rotation, can effectively increase pulley 12 and the frictional force on ground, thereby reduce the angle variation of bracing piece 5, effectually offset the resilience force of first spring 9, make the landing of unmanned aerial vehicle body 1 more stable.

Example 3

Referring to fig. 1-5, the following optimization is performed on the basis of example 1 or example 2, specifically, two ends of the mounting plate 2 are symmetrically and fixedly provided with a U-shaped plate 18, and the inner side of the U-shaped plate 18 is symmetrically and fixedly connected with a third spring 19.

Specifically, one end of the third spring 19 away from the U-shaped plate 18 is fixedly connected with a clamping block 20, and the clamping block 20 is in fit connection with the U-shaped plate 18.

Specifically, the lower surface fixedly connected with rectangular plate 21 of unmanned aerial vehicle body 1, rectangular plate 21 is through pressing from both sides tight piece 20 and U-shaped plate 18 fixed mounting, and rectangular plate 21 is close to the both ends of U-shaped plate 18 and is equipped with the stopper, prevents that rectangular plate 21 from sliding along U-shaped plate 18.

In this embodiment, through with rectangular plate 21 down slip along clamping block 20 for clamping block 20 extrudees third spring 19, when rectangular plate 21 removes the bottom to clamping block 20, clamping block 20 will restrict the upper and lower displacement of rectangular plate 21, extrudees clamping block 20 and takes out rectangular plate 21 when demolishing, through the cooperation setting between third spring 19, clamping block 20 and the rectangular plate 21, can make unmanned aerial vehicle body 1 and mounting panel 2's installation more convenient, more rapid, and the stability of junction is better simultaneously.

To sum up: according to the utility model, the unmanned aerial vehicle can more stably fall, the reaction generated by the landing gear when the unmanned aerial vehicle body 1 falls can be effectively reduced through the cooperation arrangement between the connecting shaft 6, the circular rod 7, the first circular plate 8, the first spring 9 and the pulley 12, so that the unmanned aerial vehicle body 1 can be better protected, meanwhile, the supporting rod 5 can be folded through controlling the reverse rotation of the double-threaded screw rod 3, through the cooperation arrangement between the gear 13 and the limiting ring 16, the pulley 12 can only rotate in one direction through combining the limitation of the double-threaded screw rod 3 on the nut sliding block 4, the friction force between the pulley 12 and the ground can be effectively increased, the angle change of the supporting rod 5 is reduced, the resilience force of the first spring 9 is effectively counteracted, the unmanned aerial vehicle body 1 falls more stably, the installation of the unmanned aerial vehicle body 1 and the mounting plate 2 can be more convenient and rapid through the cooperation arrangement between the third spring 19, the clamping block 20 and the rectangular plate 21, and meanwhile, the stability of the connecting position is better.

The present utility model is not limited to the preferred embodiments, but the patent protection scope of the utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings are included in the scope of the utility model.

Claims

1. The utility model provides an unmanned aerial vehicle undercarriage, includes unmanned aerial vehicle body (1) and mounting panel (2), its characterized in that: the utility model discloses a double-thread screw (3) is installed in the bottom symmetry rotation of mounting panel (2), the outer wall symmetry threaded connection of double-thread screw (3) has nut slider (4), the bottom symmetry rotation of nut slider (4) is installed bracing piece (5), the middle part rotation of bracing piece (5) is connected with connecting axle (6), circular pole (7) are installed in the bottom four corners symmetry rotation of mounting panel (2), circular pole (7) and connecting axle (6) sliding connection, the outer wall top fixedly connected with first plectane (8) of circular pole (7), the one end fixedly connected with first spring (9) of first plectane (8), one end fixedly connected with second plectane (10) of first plectane (8) are kept away from to first spring (9), second plectane (10) and circular pole (7) sliding connection, first spring (9) cup joint, install installation axle (11) are rotated to the bottom of bracing piece (5), both ends fixedly connected with pulley (12) of installation axle (11).

2. The unmanned aerial vehicle landing gear of claim 1, wherein: the middle part fixedly connected with gear (13) of installation axle (11), the one end inboard that bracing piece (5) is close to installation axle (11) is fixedly connected with rectangle piece (14).

3. The unmanned aerial vehicle landing gear of claim 2, wherein: the middle part sliding connection of rectangle piece (14) has rectangle pole (15), the bottom fixedly connected with spacing ring (16) of rectangle pole (15).

4. A landing gear for an unmanned aerial vehicle according to claim 3, wherein: the limiting ring (16) is mutually matched with the gear (13), and the rectangular rod (15) is in sliding connection with the rectangular block (14) through a second spring (17).

5. The unmanned aerial vehicle landing gear of claim 4, wherein: u-shaped plates (18) are symmetrically and fixedly arranged at two ends of the mounting plate (2), and third springs (19) are symmetrically and fixedly connected to the inner sides of the U-shaped plates (18).

6. The unmanned aerial vehicle landing gear of claim 5, wherein: one end of the third spring (19) far away from the U-shaped plate (18) is fixedly connected with a clamping block (20), and the clamping block (20) is in fit connection with the U-shaped plate (18).

7. The unmanned aerial vehicle landing gear of claim 6, wherein: the unmanned aerial vehicle body (1) lower surface fixedly connected with rectangular plate (21), rectangular plate (21) are through pressing from both sides tight piece (20) and U-shaped board (18) fixed mounting.