CN219619400U - Folding unmanned aerial vehicle undercarriage - Google Patents

Abstract

The utility model relates to a folding type unmanned aerial vehicle landing gear. The technical scheme adopted is as follows: including the activity card arm, the through-hole is offered respectively to the horizontal arm at both ends about the activity card arm, the side arm sliding connection about the horizontal arm at both ends about the activity card arm respectively, the side arm is offered the rectangle recess towards the one side front and back symmetry of activity card arm, the center of rectangle recess runs through respectively and sets up the guiding axle around, the first spring of activity suit respectively in both ends around the guiding axle, the front and back lateral wall of side arm is fixed connection fixed column respectively, the tip fixed connection fender cap of fixed column, activity suit second spring on the fixed column, second spring opposite side activity suit support leg, the support leg includes the rotating arm, the activity sets up the telescopic link in the rotating arm. The utility model has the beneficial effects that: the unmanned aerial vehicle landing device is convenient to disassemble and assemble, the opening and closing angles of the supporting legs are adjusted, the landing stability of the unmanned aerial vehicle is improved, the supporting height is adjusted rapidly, and the unmanned aerial vehicle landing device is convenient to adapt to different landing sites.

Description

Folding unmanned aerial vehicle undercarriage

Technical Field

The utility model belongs to the field of folding unmanned aerial vehicles, and relates to a folding unmanned aerial vehicle landing gear.

Background

The unmanned aerial vehicle is a unmanned aerial vehicle operated by a radio remote control device. At present, unmanned aerial vehicles in the civil field are widely used for aerial photography and mapping work. Unmanned aerial vehicle takes photo by plane is mostly folding four corners or hexagonal aircraft, through carrying the high definition camera, realizes taking photo by plane. When taking off and landing, the unmanned aerial vehicle takes off and landing, the landing gear at the lower part of the unmanned aerial vehicle is required to support the unmanned aerial vehicle, most of the existing landing gears adopt an integrated bracket structure, the quick adjustment of the landing gear supporting height cannot be realized, and meanwhile, the opening angle of the supporting legs of the landing gear is fixed, so that the contact area with the ground is limited when the unmanned aerial vehicle lands, and the landing is unstable.

Therefore, the utility model provides a folding type unmanned aerial vehicle landing gear, which solves the problems.

Disclosure of Invention

In view of the problems existing in the prior art, the utility model discloses a folding type unmanned aerial vehicle landing gear, which adopts the technical scheme that the folding type unmanned aerial vehicle landing gear comprises a movable clamping arm, wherein the movable clamping arm is U-shaped, vertical walls at the left end and the right end of the movable clamping arm are outwards and horizontally bent, horizontal arms at the left end and the right end of the movable clamping arm are respectively provided with a through hole, horizontal arms at the left end and the right end of the movable clamping arm are respectively connected with left and right side arms in a sliding manner, rectangular grooves are symmetrically arranged at the front side and the rear side of the side arms towards the movable clamping arm, the centers of the rectangular grooves penetrate through guide shafts respectively, the front end and the rear end of the guide shafts are respectively movably sleeved with first springs, the front side wall and the rear side wall of the side arm are respectively fixedly connected with a fixed column, the end part of the fixed column is fixedly connected with a blocking cap, a second spring is movably sleeved on the fixed column on one side of the blocking cap, a support leg is movably sleeved on the fixed column on the other side of the second spring, the support leg comprises a rotating arm, a round hole is formed in the upper end of the rotating arm, the round hole faces one side of the second spring to form a sink, limiting holes are formed in peripheral circumferential surface uniform arrays of the sink, through grooves are formed in the left side wall and the right side wall of the rotating arm, limiting teeth are formed in the upper side wall and the lower side wall of the through grooves in a uniform array, and telescopic rods are sleeved on the lower side walls of the through grooves in a sleeved mode.

As a preferable scheme of the utility model, a clamping groove is formed in the middle cross arm of the movable clamping arm; through the fluting, be convenient for activity card arm card fast go into on the fixture block of the recess of unmanned aerial vehicle bottom.

As a preferable scheme of the utility model, the horizontal arms at the left and right ends of the front and rear movable clamping arms are movably sleeved at the front and rear sides of the left and right first springs through the through holes at the left and right ends respectively; the movable clamping arm is quickly installed at the bottom of the unmanned aerial vehicle through the first springs before and after compression, and is convenient to install and detach.

As a preferable scheme of the utility model, the front and rear side walls of the side arms are also fixedly provided with positioning pins, and the positioning pins are inserted into one of the limiting holes; the positioning pins are inserted into one of the limiting holes, so that the positioning of different rotation angles of the rotating arm is realized.

As a preferable scheme of the utility model, the top of the telescopic rod is fixedly connected with a limit sliding block, and the front side wall and the rear side wall of the limit sliding block are respectively provided with teeth which are meshed with the limit teeth; the telescopic rod can be conveniently and rapidly positioned and adjusted in the rotating arm.

The utility model has the beneficial effects that: through the design can be along the side arm around the activity card arm of activity about, realize in certain limit, simultaneously, convenient to detach and installation, in addition, both ends can rotational positioning's support leg around the lateral wall, be convenient for open great open and shut the angle with the supporting leg, improve the contact area with ground when unmanned aerial vehicle falls, improve stability, and, the telescopic link of telescopic positioning is convenient for prolong the length of supporting leg, in a certain limit, with the demand on the landing place of adaptation unmanned aerial vehicle difference.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic illustration of a side arm of the present utility model;

FIG. 3 is a schematic view of a bracket leg of the present utility model;

fig. 4 is a cross-sectional view of a leg of the bracket of the present utility model.

In the figure: the movable clamping arm comprises a movable clamping arm body 1, a movable side arm body 2, a first spring body 3, a second spring body 4, a support leg 5, a through hole 11, a clamping groove 12, a rectangular groove 21, a guide shaft 22, a fixed column 23, a blocking cap 24, a locating pin 25, a rotating arm 51, a round hole 511, a sinking groove 512, a limiting hole 513, a through groove 514, a limiting tooth 515, a telescopic rod 52 and a limiting sliding block 521.

Detailed Description

Example 1

As shown in fig. 1 to 4, the landing gear for the folding unmanned aerial vehicle according to the present utility model adopts a technical scheme that the landing gear comprises a movable clamping arm 1, wherein the movable clamping arm 1 is in a U shape, vertical walls at the left and right ends of the movable clamping arm 1 are bent horizontally outwards, horizontal arms at the left and right ends of the movable clamping arm 1 are respectively provided with a through hole 11, a clamping groove 12 is formed in the middle cross arm of the movable clamping arm 1, horizontal arms at the left and right ends of the front and rear movable clamping arm 1 are respectively movably sleeved on the front and rear sides of a left and right first spring 3 through the through holes 11 at the left and right ends, when the landing gear is mounted at the bottom of the unmanned aerial vehicle, the front and rear movable clamping arms 1 respectively compress the front and rear first springs 3, and the clamping grooves 12 of the front and rear movable clamping arms 1 are respectively clamped into clamping blocks in landing gear grooves at the bottom of the unmanned aerial vehicle, so that the landing gear can be rapidly mounted.

The horizontal arms at the left end and the right end of the movable clamping arm 1 are respectively connected with the left side arm and the right side arm in a sliding manner, the side arms 2 face to one side of the movable clamping arm 1 and are provided with rectangular grooves 21 in a front-back symmetrical manner, the centers of the rectangular grooves 21 are respectively penetrated and provided with guide shafts 22, the front side wall and the rear side wall of the side arms 2 are respectively fixedly connected with fixed columns 23, the end parts of the fixed columns 23 are fixedly connected with retaining caps 24, the front side wall and the rear side wall of the side arms 2 are also fixedly provided with positioning pins 25, the positioning pins 25 are inserted into one of the limiting holes 513, the left side arm 2 and the right side arm 2 play a supporting role on the middle movable clamping arm 1, and the fixed columns 23 at the front end and the rear end of the left side arm 2 are respectively connected with the supporting legs 5 in a rotating manner.

The front end and the rear end of the guide shaft 22 are respectively movably sleeved with the first springs 3, and the front end and the rear end of the first springs 3 are respectively elastically compressed on the movable clamping arms 1 sleeved on the guide shaft 22, so that the movable clamping arms can be tightly clamped on the clamping blocks in the mounting grooves at the bottom of the unmanned aerial vehicle, and the landing gear is convenient to mount and dismount.

The second spring 4 is movably sleeved on the fixing column on one side of the blocking cap 24, and the second spring 4 is used for extruding the rotating arm 51 on the fixing column 23, so that the positioning pin 25 can be inserted into the limiting hole 513, and positioning after the rotating arm 51 is rotated to a proper supporting angle is facilitated.

The support leg 5 is movably sleeved on the fixed column on the other side of the second spring 4, the support leg 5 comprises a rotating arm 51, a round hole 511 is formed in the upper end of the rotating arm 51, a sinking groove 512 is formed in one side of the round hole 511, which faces the second spring 4, limiting holes 513 are uniformly formed in the peripheral circumferential surface of the sinking groove 512 in an array mode, through grooves 514 are formed in the left side wall and the right side wall of the rotating arm 51, limiting teeth 515 are uniformly formed in the upper side wall and the lower side wall of the through grooves 514 in an array mode, a telescopic rod 52 is sleeved on the lower side wall of the through grooves 514 in an opening mode, the top of the telescopic rod 52 is fixedly connected with a limiting sliding block 521, teeth are formed in the front side wall and the rear side wall of the limiting sliding block 521 and are meshed with the teeth of the limiting teeth 515 together, and after the support leg 5 is screwed out of the bottom of the unmanned aerial vehicle around the fixed column 23, the telescopic rod 52 inside the telescopic rod 52 can be pulled in a mode, and the supporting requirements of the unmanned aerial vehicle on different lifting sites can be adapted.

The working principle of the utility model is as follows: when the landing gear is used, the front and rear movable clamping arms 1 of the landing gear are aligned with the front and rear clamping grooves of the bottom of the unmanned aerial vehicle, clamping blocks of the clamping grooves are respectively clamped into the clamping grooves 12 of the front and rear movable clamping arms 1, the landing gear can be quickly installed at the bottom of the unmanned aerial vehicle, then the rotating arm 51 of one supporting leg 5 is held and pressed towards one side of the retaining cap 24, the positioning pins 25 on the end face of the side wall 2 are separated from the limiting holes 513 at one end of the rotating arm 51, then the rotating arm 51 is rotated by a proper angle according to requirements, the positioning pins 25 on the end face of the side wall 2 are inserted into the corresponding limiting holes 513 under the action of the second spring 4, if the supporting leg 5 is still not capable of meeting the supporting requirement from the horizontal direction, the telescopic rod 52 in the rotating arm 51 can be pulled out downwards, the limiting slide blocks 521 at the upper end of the telescopic rod 52 are positioned through the teeth of the front and rear side wall of the through the limiting teeth of the through groove 514, and the telescopic rod 52 can be clamped at all positions of the through grooves 514, and then the telescopic rod 52 can be positioned at all positions of the through the corresponding positions of the through the corresponding limiting teeth.

Electrical connections or structures not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims (5)

1. A foldable unmanned aerial vehicle undercarriage, its characterized in that: including activity card arm (1), activity card arm (1) is U type, and the outside level of vertical wall at both ends is buckled about it, through-hole (11) are offered respectively to the horizontal arm at both ends about activity card arm (1), around the horizontal arm at both ends about activity card arm (1) is side arm (2) sliding connection about respectively, side arm (2) orientation rectangle recess (21) are offered to the symmetry around one side of activity card arm (1), around rectangle recess (21) center runs through respectively and sets up guiding axle (22), the front and back both ends of guiding axle (22) are activity first spring (3) respectively, the front and back lateral wall of side arm (2) is fixed connection fixed column (23) respectively, the tip fixed connection fender cap (24) of fixed column (23), activity suit second spring (4) on the fixed column of second spring (4) opposite side, activity support leg (5) are gone up to the fixed column of support leg (5) include arm (511), the circumference (511) are offered to the circumference of seting up to the round hole (512), the left side wall and the right side wall of the rotating arm (51) are provided with through grooves (514), the front side wall and the rear side wall of the through grooves (514) are provided with limiting teeth (515) in an up-down uniform array mode, and the lower side wall of the through grooves (514) is provided with holes in a sleeved mode with telescopic rods (52).

2. The folding unmanned aerial vehicle landing gear of claim 1, wherein: the middle cross arm of the movable clamping arm (1) is provided with a clamping groove (12).

3. The folding unmanned aerial vehicle landing gear of claim 1, wherein: horizontal arms at the left end and the right end of the front movable clamping arm (1) and the rear movable clamping arm are movably sleeved on the front side and the rear side of the left first spring (3) and the right side of the right first spring respectively through holes (11) at the left end and the right end.

4. The folding unmanned aerial vehicle landing gear of claim 1, wherein: the front side wall and the rear side wall of the side arm (2) are also fixedly provided with positioning pins (25), and the positioning pins (25) are inserted into one of the limiting holes (513).

5. The folding unmanned aerial vehicle landing gear of claim 1, wherein: the top of the telescopic rod (52) is fixedly connected with a limiting slide block (521), and the front side wall and the rear side wall of the limiting slide block (521) are respectively provided with teeth which are meshed with the limiting teeth (515).