CN210503169U

CN210503169U - Buffering landing anti-rebound buffering limiting support leg for unmanned aerial vehicle

Info

Publication number: CN210503169U
Application number: CN201921204919.7U
Authority: CN
Inventors: 鲁京
Original assignee: Nanjing Jingweixun Intelligent Technology Co Ltd
Current assignee: Nanjing Jingweixun Intelligent Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-05-12
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a buffering descending is prevented kick-backing spacing stabilizer blade of buffering for unmanned aerial vehicle includes: a buffer device; the buffer device comprises a cross rod, a sliding sleeve sleeved on the cross rod, a supporting rod fixedly connected with the sliding sleeve, a limiting supporting leg fixedly connected with the supporting rod, a limiting mechanism fixedly connected with the limiting supporting leg, and an elastic strip group arranged on the side part of the limiting supporting leg and fixedly connected with the cross rod. The utility model discloses be equipped with stop gear buffering spacing stabilizer blade tip, and then limit the spacing stabilizer blade of unmanned aerial vehicle to kick-back, and then prevented that unmanned aerial vehicle from buffering the resilience of spacing stabilizer blade after buffering, and then unmanned aerial vehicle "jump" phenomenon can not appear, and then reduce unmanned aerial vehicle and appear empting the phenomenon.

Description

Buffering landing anti-rebound buffering limiting support leg for unmanned aerial vehicle

Technical Field

The utility model relates to a cushion spacing stabilizer blade specifically is a buffering spacing stabilizer blade of springback is prevented to buffering descending for unmanned aerial vehicle.

Background

Unmanned aerial vehicles were first introduced in the 20 th century, the world war was first in the year 1914 and was well-trained, and both the cadelle and the pechel general in the uk proposed a recommendation to the military aviation society of the uk.

An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer.

And current unmanned aerial vehicle is with spacing stabilizer blade of buffering, use elastic material to make basically, cushion when descending unmanned aerial vehicle, and use elastic material to cushion the back to unmanned aerial vehicle, because elastic material itself has elasticity, cushion spacing stabilizer blade and will kick-back after unmanned aerial vehicle cushions, and then make unmanned aerial vehicle kick-back through the spacing stabilizer blade of buffering after buffering easily, appear "jumping" phenomenon, and then make unmanned aerial vehicle appear empting easily.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a buffering descending is prevented kick-backing unmanned aerial vehicle with spacing stabilizer blade of buffering to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: the utility model provides a spacing stabilizer blade of buffering for unmanned aerial vehicle is prevented kick-backing in buffering descending, includes:

a buffer device; the buffer device comprises a cross rod, a sliding sleeve sleeved on the cross rod, a supporting rod fixedly connected with the sliding sleeve, a limiting supporting leg fixedly connected with the supporting rod, a limiting mechanism fixedly connected with the limiting supporting leg, and an elastic strip group arranged on the side part of the limiting supporting leg and fixedly connected with the cross rod.

In further embodiment, stop gear include with spacing stabilizer blade fixed connection's rotary drum cup joints the ratchet of rotary drum, pegs graft the bayonet lock of rotary drum, and with the flexible piece that supports of ratchet butt uses stop gear, mainly in order to prevent unmanned aerial vehicle to kick back after unmanned aerial vehicle cushions, and when unmanned aerial vehicle rebounds under the state of uneven ground, makes unmanned aerial vehicle empty easily.

In a further embodiment, the telescopic abutting part comprises a fixed frame sleeved with the rotary drum, a telescopic clamping piece inserted into the fixed frame and abutted against the ratchet wheel, a telescopic spring sleeved with the telescopic clamping piece, and a limiting fixing piece fixedly connected with the fixed frame and sleeved with the telescopic clamping piece.

In a further embodiment, the limit fixing piece abuts against the telescopic spring, and the telescopic spring is arranged between the telescopic clamping piece and the limit fixing piece.

In further embodiment, the ratchet is the sawtooth gear that has a plurality of predetermined radians, and the clearance between per two sawtooth and flexible fastener butt, uses the ratchet to carry out spacing to the spacing stabilizer blade of unmanned aerial vehicle, can be fast accurate carry on the spacing of point.

In a further embodiment, the limiting mechanism is fixedly connected with the cross rod.

In a further embodiment, the set of elastic strips is a plurality of sets of elastic strips made of rubber.

Has the advantages that: the utility model discloses a buffering descending is prevented kick-backing unmanned aerial vehicle and is used buffering spacing stabilizer blade, the utility model discloses be equipped with stop gear at buffering spacing stabilizer blade tip, and then limit the spacing stabilizer blade of unmanned aerial vehicle and kick-back, and then prevented that unmanned aerial vehicle from buffering the resilience of spacing stabilizer blade after buffering, and then unmanned aerial vehicle "jump" phenomenon can not appear, and then reduce unmanned aerial vehicle and appear empting the phenomenon.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the buffer limiting leg limiting mechanism of the present invention.

The reference signs are: the device comprises a buffer device 8, a cross rod 801, a sliding sleeve 802, a support rod 803, a buffer limit leg 804, an elastic strip group 805, a fixed frame 806, a telescopic spring 807, a telescopic clamping piece 808, a rotary drum 809, a ratchet 810, a clamping pin 811 and a limit fixing piece 812.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

Through the research and analysis of the applicant, the reason for the problem (the phenomenon of jumping occurs when the unmanned aerial vehicle rebounds after buffering through the buffering limiting support leg, and the unmanned aerial vehicle is easy to topple over) is that the existing buffering limiting support leg for the unmanned aerial vehicle is basically made of elastic materials, and is used for buffering when the unmanned aerial vehicle descends, and after the unmanned aerial vehicle is buffered by using the elastic materials, because the elastic materials have elasticity, the buffering limiting support leg can rebound after the unmanned aerial vehicle buffers, so that the unmanned aerial vehicle rebounds through the buffering limiting support leg after buffering, and the phenomenon of jumping occurs, and the unmanned aerial vehicle is easy to topple over, and the utility model is provided with the limiting mechanism at the end part of the buffering limiting support leg, so as to limit the unmanned aerial vehicle limiting support leg to rebound, and further prevent the unmanned aerial vehicle from rebounding after buffering the limiting support leg, and then unmanned aerial vehicle "jump" phenomenon can not appear, and then reduces unmanned aerial vehicle and appear empting the phenomenon.

The utility model provides a spacing stabilizer blade of buffering for unmanned aerial vehicle is prevented kick-backing in buffering descending, includes: the device comprises a buffer device 8, a cross rod 801, a sliding sleeve 802, a support rod 803, a buffer limit leg 804, an elastic strip group 805, a fixed frame 806, a telescopic spring 807, a telescopic clamping piece 808, a rotary drum 809, a ratchet 810, a clamping pin 811 and a limit fixing piece 812.

Wherein, the buffering limiting support leg 804 for buffering, landing and rebound prevention unmanned aerial vehicle is composed of a group of buffering devices 8, the buffer device 8 comprises a cross bar 801, the cross bar 801 is inserted into the sliding sleeve 802, the sliding sleeve 802 is fixedly connected with the supporting rod 803, the supporting rod 803 is fixedly connected with the limiting supporting foot, the limiting support legs are fixedly connected with the limiting mechanism, the elastic strip groups 805 which are arranged at the side parts of the limiting support legs and fixedly connected with the cross bar 801 are bent inwards by the limiting support legs at the moment, the elastic strip groups 805 perform primary buffering at the moment, after the elastic strip group 805 performs the first-level buffering, the limiting support leg will drive the support rod 803 to move, and then the sliding sleeve 802 is driven to move close to the first support along the cross rod 801, and further secondary buffering is performed by the preset stroke of the sliding sleeve 802 and the cross rod 801, and then buffering work is completed.

The limiting mechanism comprises a rotary drum 809 fixedly connected with the limiting support leg, a ratchet 810 sleeved with the rotary drum 809, a bayonet 811 inserted into the rotary drum 809 and a telescopic abutting part abutted against the ratchet 810, and the limiting mechanism is used for mainly preventing the unmanned aerial vehicle from rebounding after the unmanned aerial vehicle buffers, when the unmanned aerial vehicle rebounds under the state of uneven ground, the unmanned aerial vehicle is easy to topple over, the limiting mechanism drives the rotary drum 809 to rotate clockwise by the limiting support leg, then the rotary drum 809 drives the ratchet 810 to rotate clockwise, further the ratchet 810 is abutted against the telescopic clamping piece 808, as the radian of the sawtooth in the ratchet 810 in the clockwise direction is lower than the radian in the anticlockwise direction, the ratchet 810 abuts against the telescopic clamping piece 808 to rotate, and the telescopic clamping piece 808 abuts against the telescopic spring 807 to approach to one side of the limiting fixing part 812, and when spacing stabilizer blade rebounded, spacing stabilizer blade will drive rotary drum 809 and carry out anticlockwise rotation this moment, and then drive ratchet 810 and carry out anticlockwise rotation, and when ratchet 810 carried out anticlockwise rotation, because the radian of sawtooth clockwise in the ratchet 810 will be less than the radian of anticlockwise, expanding spring 807 will use elasticity to make flexible fastener 808 be close to rotary drum 809 direction this moment, flexible fastener 808 will carry out the butt with ratchet 810 this moment, until blocking ratchet 810, flexible fastener 808 will be placed between certain two sawtooth in ratchet 810 this moment, and then make ratchet 810 unable reversing, and then make spacing stabilizer blade unable rebound.

The telescopic abutting part comprises a fixed frame 806 sleeved with the rotary drum 809, a telescopic clamping piece 808 inserted into the fixed frame 806 and abutted against the ratchet wheel 810, a telescopic spring 807 sleeved with the telescopic clamping piece 808, and a limiting fixing part 812 fixedly connected with the fixed frame 806 and sleeved with the telescopic clamping piece 808.

The limit fixing part 812 abuts against the telescopic spring 807, and the telescopic spring 807 is arranged between the telescopic clamping piece 808 and the limit fixing part 812.

Ratchet 810 is for having the sawtooth gear of a plurality of predetermined radians, and the clearance between per two sawtooth and flexible fastener 808 butt, uses ratchet 810 to carry out spacing to the spacing stabilizer blade of unmanned aerial vehicle, can be fast accurate carry on the spacing of point.

The limiting mechanism is fixedly connected with the cross rod 801.

The elastic strip group 805 is a plurality of groups of elastic strips made of rubber materials.

Description of the working principle: when the unmanned aerial vehicle lands, the unmanned aerial vehicle vibrates when contacting with the ground due to different descending speeds in the air, the unmanned aerial vehicle is buffered by the buffer device 8, the unmanned aerial vehicle contacts with the ground at the moment, the gravity of the unmanned aerial vehicle drives the limiting support legs to bend inwards at the moment, the elastic strip group 805 performs primary buffering at the moment, and after the elastic strip group 805 performs primary buffering, the limiting support legs drive the support rods 803 to move at the moment, so that the sliding sleeve 802 is driven to perform approaching movement to the first support along the cross rod 801, and further secondary buffering is performed by the preset stroke of the sliding sleeve 802 and the cross rod 801; due to the action of elasticity, the unmanned aerial vehicle rebounds, and in the rebounding process, the unmanned aerial vehicle is prone to toppling, the position of the limiting support leg is limited by the limiting mechanism, so that the unmanned aerial vehicle cannot rebound after being buffered, the limiting support leg drives the rotary drum 809 to rotate clockwise, the rotary drum 809 drives the ratchet 810 to rotate clockwise, the ratchet 810 is abutted against the telescopic clamping piece 808, because the radian of the sawtooth in the ratchet 810 in the clockwise direction is lower than the radian of the sawtooth in the anticlockwise direction, the ratchet 810 is abutted against the telescopic clamping piece 808 to rotate, the telescopic clamping piece 808 is abutted against the telescopic spring 807 to approach the limiting fixing piece 812 side, when the limiting support leg rebounds, the limiting support leg drives the rotary drum 809 to rotate anticlockwise, the ratchet 810 is driven to rotate anticlockwise, and when the ratchet 810 rotates anticlockwise, because the radian of the sawtooth in the clockwise direction in the ratchet 810 is lower than the radian of the sawtooth in the anticlockwise direction, at the moment, the telescopic spring 807 enables the telescopic clamping piece 808 to approach the rotating drum 809 direction by using elastic force, the telescopic clamping piece 808 is abutted against the ratchet 810 until the ratchet 810 is clamped, the telescopic clamping piece 808 is placed between two sawteeth in the ratchet 810 at the moment, the ratchet 810 cannot be reversed, and the limiting support leg cannot rebound.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides a spacing stabilizer blade of buffering for unmanned aerial vehicle is prevented kick-backing in buffering descending, characterized by includes:

2. The buffering limiting support leg for the buffering landing rebound-prevention unmanned aerial vehicle as claimed in claim 1, which is characterized in that: the limiting mechanism comprises a rotary drum fixedly connected with the limiting support leg, a ratchet wheel sleeved with the rotary drum, a bayonet lock inserted into the rotary drum and a telescopic abutting piece abutted against the ratchet wheel.

3. The buffering limiting support leg for the buffering landing rebound-prevention unmanned aerial vehicle as claimed in claim 2, wherein the buffering limiting support leg comprises: the telescopic abutting part comprises a fixed frame which is sleeved with the rotary drum, a telescopic clamping piece which is inserted into the fixed frame and abutted against the ratchet wheel, a telescopic spring which is sleeved with the telescopic clamping piece, and a limiting fixing piece which is fixedly connected with the fixed frame and sleeved with the telescopic clamping piece.

4. The buffering limiting support leg for the buffering landing rebound-prevention unmanned aerial vehicle as claimed in claim 3, wherein the buffering limiting support leg comprises: the limiting fixing piece is abutted to the telescopic spring, and the telescopic spring is arranged between the telescopic clamping piece and the limiting fixing piece.

5. The buffering limiting support leg for the buffering landing rebound-prevention unmanned aerial vehicle as claimed in claim 2, wherein the buffering limiting support leg comprises: the ratchet wheel is a sawtooth gear with a plurality of preset radians, and a gap between every two sawteeth is abutted to the telescopic clamping piece.

6. The buffering limiting support leg for the buffering landing rebound-prevention unmanned aerial vehicle as claimed in claim 1, which is characterized in that: the limiting mechanism is fixedly connected with the cross rod.

7. The buffering limiting support leg for the buffering landing rebound-prevention unmanned aerial vehicle as claimed in claim 1, which is characterized in that: the elastic strip group is a plurality of groups of elastic strips made of rubber materials.