CN220332974U

CN220332974U - Unmanned aerial vehicle frame

Info

Publication number: CN220332974U
Application number: CN202322118419.4U
Authority: CN
Inventors: 刘博�
Original assignee: Jiaxing Xiangyi Composite Material Co ltd
Current assignee: Jiaxing Xiangyi Composite Material Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-01-12
Anticipated expiration: 2033-08-08

Abstract

The utility model belongs to the technical field of unmanned aerial vehicle frame and specifically relates to an unmanned aerial vehicle frame is related to, including the mounting bracket, be equipped with a plurality of rotor installing poles on the mounting bracket, the mounting bracket four corners all is equipped with the bracing piece, the bracing piece includes the sleeve, telescopic connection wears to establish in the mounting bracket and sliding connection has the bradyseism pole, bradyseism pole is close to mounting bracket one end and is equipped with the damping pole, damping pole is kept away from bradyseism pole one end and is connected in the sleeve, the damping pole overcoat is equipped with the bradyseism spring, damping pole one end is kept away from the damping pole and is equipped with elastic buffer block, when unmanned aerial vehicle falls to the ground, bracing piece touching ground this moment bradyseism pole is to sleeve internal contraction, damping pole and bradyseism spring compression and absorption impact the vibrations that the unmanned aerial vehicle produced when falling to reduce unmanned aerial vehicle by the possibility that the landing time frame strikes the ground and produce.

Description

Unmanned aerial vehicle frame

Technical Field

The application relates to the field of unmanned aerial vehicle frames, in particular to an unmanned aerial vehicle frame.

Background

The unmanned aerial vehicle can fly in the air to shoot characteristics make it all have wide application in fields such as urban management, agriculture, geology, weather, and the unmanned aerial vehicle need cooperate the frame to use in the use, in order to lighten the weight of frame under the prerequisite of guaranteeing frame intensity, generally can use carbon fiber material to make the frame.

The present chinese patent of utility model with publication number CN214296415U discloses a carbon fiber unmanned aerial vehicle frame, which comprises a main body, wherein both sides of the bottom of the main body are fixedly connected with supporting legs, the outer wall of the main body is fixedly connected with a supporting plate, and the outer end of the supporting plate is rotatably connected with a supporting arm.

According to the above-mentioned prior art, when unmanned aerial vehicle descends, the stabilizer blade can contact ground earlier, and the vibrations that the stabilizer blade striking ground produced can transmit to the main part this moment to influence the unmanned aerial vehicle of installing in the main part, lead to unmanned aerial vehicle to receive the damage.

Disclosure of Invention

In order to reduce the possibility of damage due to vibration when the unmanned aerial vehicle lands, the application provides an unmanned aerial vehicle frame.

The application provides an unmanned aerial vehicle frame adopts following technical scheme:

the utility model provides an unmanned aerial vehicle frame, includes the mounting bracket, is equipped with a plurality of rotor erection bars on the mounting bracket, and the mounting bracket four corners all is equipped with the bracing piece, and the bracing piece includes the sleeve, and telescopic link wears to establish and sliding connection has the bradyseism pole in the mounting bracket, and bradyseism pole is close to mounting bracket one end and is equipped with the damping pole, and damping pole is kept away from bradyseism pole one end and is connected in the sleeve, and the damping pole overcoat is equipped with the bradyseism spring, and damping pole one end is kept away from to the bradyseism pole is equipped with elastic buffer piece.

Through adopting above-mentioned technical scheme when unmanned aerial vehicle falls to the ground, the bracing piece touches ground, and the bradyseism pole is to sleeve internal contraction this moment, and damping pole and bradyseism spring compression and absorption alleviate the vibrations that striking ground produced when unmanned aerial vehicle falls to the ground to reduce unmanned aerial vehicle by the possibility that the vibrations that landing opportunity frame impacted ground produced damage.

Optionally, the mounting bracket corresponds the bracing piece and is equipped with places the chamber, and the sleeve is close to mounting bracket one end and wears to be equipped with the pivot, and the equal swivelling joint in pivot both ends place the chamber lateral wall, is equipped with fixed establishment in mounting bracket and the pivot, and the bracing piece can be placed in placing the intracavity.

Through adopting above-mentioned technical scheme, when storing and transporting the frame, can withdraw the bracing piece and place the intracavity, reduce the space that the frame occupy, be convenient for transport and store.

Optionally, the fixing mechanism comprises a fixing bolt, the fixing bolt penetrates through and is in threaded connection with the mounting frame, a fixing screw hole is formed in the rotating shaft, the fixing bolt can be in threaded connection with the fixing screw hole, a clamping ring is arranged in the placing cavity, and the sleeve can be clamped with the clamping ring.

Through adopting above-mentioned technical scheme, utilize snap ring and fixing bolt can fix the bracing piece in placing the intracavity, reduce the likelihood that the bracing piece drops from placing the intracavity.

Optionally, the rotor installation pole includes the dead lever, and the dead lever is connected in the mounting bracket, and the cover is established and sliding connection has the extension rod on the dead lever, is equipped with a plurality of locating holes on the dead lever, wears to establish and threaded connection has positioning bolt on the extension rod, and positioning bolt can threaded connection in the locating hole.

Through adopting above-mentioned technical scheme, utilize dead lever and extension rod can adjust the length of rotor installation pole to make the unmanned aerial vehicle of different specifications of frame ability adaptation.

Optionally, the four corners of mounting bracket outer peripheral face all is equipped with a rotor installation pole, and the dead lever rotates to be connected in the mounting bracket, corresponds each rotor installation pole on the mounting bracket and all is equipped with a fixture block, is equipped with the draw-in groove on the fixture block, and the extension rod can the joint in the draw-in groove.

Through adopting above-mentioned technical scheme, utilize fixture block and draw-in groove can withdraw rotor installation pole to the frame outer peripheral face, reduce frame occupation space, the transportation of being convenient for and store the frame.

Optionally, the dead lever is kept away from extension rod one end and is worn to be equipped with the draw-in lever, and draw-in lever both ends all are equipped with the stopper, stopper sliding connection in the dead lever, and the mounting bracket all is equipped with a spacing groove to every rotor installation pole expansion and two kinds of states of retrieving, and the stopper can the joint respectively in two spacing grooves.

Through adopting above-mentioned technical scheme, when expanding rotor installation pole and retrieving the rotor installation pole, can fix the position of rotor installation pole with stopper joint in the spacing groove, the staff operation of being convenient for.

Optionally, the fixing rod and the extension rod are hollow round rods, the inner walls of the fixing rod and the extension rod are provided with a plurality of inner grooves, the inner grooves are arched, and two ends of the inner grooves are arranged in the same annular section of the pipe body.

By adopting the technical scheme, the arched inner groove can increase the section moment of inertia of the fixed rod and the extension rod, and improve the ring rigidity of the fixed rod and the extension rod.

Optionally, the inner grooves are uniformly arranged along the axial direction of the fixing rod and the extension rod.

Through adopting above-mentioned technical scheme, the internal groove evenly sets up along dead lever and extension rod axial, can increase the axial rigidity of body.

In summary, the present application includes at least one of the following beneficial effects:

1. when unmanned aerial vehicle falls to the ground, the bracing piece touches ground, and the damping pole is to sleeve internal contraction this moment, and damping pole and damping spring compress and absorb the vibrations that impact ground produced when buffering unmanned aerial vehicle falls to the ground to reduce unmanned aerial vehicle by the possibility that the vibrations that the landing opportunity frame produced were damaged, and the bracing piece can be retrieved and place the intracavity, be convenient for store and transportation frame.

Drawings

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

FIG. 2 is a schematic view of the bottom of the mounting bracket of the present application;

FIG. 3 is a schematic view of the securing mechanism of the present application;

FIG. 4 is a schematic cross-sectional view of the connection of the rotor mounting bar and the mounting bracket of the present application;

figure 5 is a schematic view of the interior of the rotor mounting bar of the present application.

Reference numerals illustrate:

1. a mounting frame; 110. a placement cavity; 111. a clasp; 120. a clamping block; 121. a clamping groove; 2. a rotor mounting bar; 21. a fixed rod; 211. positioning holes; 22. an extension rod; 221. positioning bolts; 3. a support rod; 31. a sleeve; 311. a rotating shaft; 32. a shock-absorbing rod; 33. a damping rod; 34. a damping spring; 35. an elastic buffer block; 4. a fixing mechanism; 41. a fixing bolt; 42. fixing the screw holes; 5. an inner groove; 6. a clamping rod; 61. a limiting block; 62. a limit groove; 63. and (5) a pull ring.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings.

This embodiment provides an unmanned aerial vehicle frame, combine fig. 1 and 2, including the mounting bracket 1 that is used for installing unmanned aerial vehicle, mounting bracket 1 four corners all is equipped with a rotor installation pole 2, the four corners of mounting bracket 1 bottom surface all is equipped with a bracing piece 3, mounting bracket 1 bottom surface corresponds four bracing pieces 3 and is equipped with four and is used for placing bracing piece 3 place chamber 110, bracing piece 3 includes sleeve 31, sleeve 31 is close to mounting bracket 1 one end and wears to establish and fixedly connected with pivot 311, pivot 311 both ends all rotate and connect in place chamber 110 inner wall, wear to establish and sliding connection has the bradyseism pole 32 in the sleeve 31, bradyseism pole 32 is kept away from mounting bracket 1 one end fixedly connected with elastic buffer block 35, bradyseism pole 32 is close to mounting bracket 1 one end fixedly connected with damping pole 33, damping pole 33 is kept away from bradyseism pole 32 one end fixedly connected with in sleeve 31, the damping pole 33 overcoat is equipped with bradyseism spring 34, when unmanned aerial vehicle falls to the ground, bracing piece 3 at first touches the ground and strikes the bottom surface, bradyseism pole 32 shrink inwards the sleeve, simultaneously shrink and absorb the vibrations that impact produced, thereby reduce the frame and fall bad possibility of making that produces when striking ground.

Referring to fig. 2 and 3, the mounting frame 1 and the rotating shaft 311 are provided with the fixing mechanism 4, the fixing mechanism 4 comprises a fixing bolt 41, the fixing bolt 41 is penetrated and connected with the mounting frame 1 in a threaded manner, the rotating shaft 311 is provided with a fixing screw hole 42, a clamping ring 111 is fixedly connected with the placing cavity 110, the sleeve 31 can be clamped with the clamping ring 111, when the sleeve 31 is clamped with the clamping ring 111, the fixing bolt 41 can be connected with the fixing screw hole 42 in a threaded manner, when the supporting rod 3 is retracted into the placing cavity 110, the sleeve 31 can be clamped with the clamping ring 111, the fixing bolt 41 can be connected with the fixing screw hole 42 in a threaded manner, so that the supporting rod 3 is fixed in the placing cavity 110, and the possibility that the supporting rod 3 falls off from the placing cavity 110 is reduced.

Referring to fig. 1 and 4, the rotor mounting rod 2 includes a fixing rod 21 and an extension rod 22, the fixing rod 21 is connected to the mounting frame 1, the extension rod 22 is sleeved with the fixing rod 21 and is slidably connected to the fixing rod 21, a plurality of positioning holes 211 are formed in the fixing rod 21, positioning bolts 221 penetrate through the fixing rod 21 and are in threaded connection with the fixing rods, the positioning bolts 221 can be in threaded connection with the positioning holes 211, and the overall length of the rotor mounting rod 2 can be adjusted by utilizing the positioning holes 211 and the positioning bolts 221, so that the operation of workers is facilitated.

The mounting bracket 1 corresponds the equal fixedly connected with fixture block 120 of every rotor installation pole 2, is equipped with draw-in groove 121 on the fixture block 120, and extension rod 22 can the joint in draw-in groove 121, when transporting or storing the frame, can make rotor installation pole 2 withdraw mounting bracket 1 side with extension rod 22 joint in draw-in groove 121, reduces the space that occupies of frame, be convenient for transport or store.

The dead lever 21 rotates to be connected in mounting bracket 1, dead lever 21 is close to mounting bracket 1 one end and wears to establish and sliding connection has draw-in bar 6, the equal fixedly connected with stopper 61 in draw-in bar 6 both ends, stopper 61 sliding connection is in dead lever 21, mounting bracket 1 corresponds rotor installation pole 2 and expands and withdraw two kinds of states and all be equipped with a spacing groove 62, draw-in bar 6 keeps away from spacing groove 62 one end fixedly connected with pull ring 63, when expanding or withdrawing rotor installation pole 2, can fix rotor installation pole 2 with the stopper 61 joint on the dead lever 21 in spacing groove 62, reduce rotor installation pole 2 at work or the possibility that takes place to rotate during transportation.

In combination with fig. 1 and 5, the fixing rod 21 and the extension rod 22 are hollow round rods, a plurality of inner grooves 5 are formed in the inner walls of the fixing rod 21 and the extension rod 22, the inner grooves 5 are arched, two ends of each inner groove 5 are arranged in the same annular section of the pipe body, the inner grooves 5 on the same annular section are uniformly distributed along the annular section, the inner grooves 5 are uniformly arranged along the axial direction of the fixing rod 21 and the extension rod 22, the annular rigidity and the axial rigidity of the pipe body can be increased along the annular section of the fixing rod 21 and the extension rod 22 and the arched inner grooves in the axial direction, so that the strength of the fixing rod 21 and the extension rod 22 is increased, the strength of the pipe body is increased by utilizing the pipe body structure, the weight of the frame is not increased, and the flight load of the unmanned aerial vehicle can be lightened.

The principle of the application is as follows: when the unmanned aerial vehicle lands, the support rod 3 firstly contacts the ground, at the moment, the elastic buffer block 35 is firstly abutted against the ground, the elastic buffer block 35 can buffer the vibration generated by the contact of the support rod 3 with the ground, then the damping rod 33 and the buffer spring 34 start to shrink, and the vibration generated by the impact of the support rod 3 on the ground is continuously buffered, so that the possibility of damage caused by overlarge vibration generated by the impact of the frame on the ground during the landing of the unmanned aerial vehicle is reduced

The foregoing description is only of a preferred embodiment of the present application and is not intended to limit the same, but rather, various modifications and variations are possible in light of the above teachings. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides an unmanned aerial vehicle frame, includes mounting bracket (1), is equipped with a plurality of rotor installation pole (2) on mounting bracket (1), and mounting bracket (1) four corners all is equipped with bracing piece (3), its characterized in that: the bracing piece (3) includes sleeve (31), sleeve (31) are connected in mounting bracket (1), wear to establish and sliding connection has bradyseism pole (32) in sleeve (31), bradyseism pole (32) are close to mounting bracket (1) one end and are equipped with damping rod (33), and damping rod (33) are kept away from bradyseism pole (32) one end and are connected in sleeve (31), and damping rod (33) overcoat is equipped with bradyseism spring (34), and damping rod (32) are kept away from damping rod (33) one end and are equipped with elastic buffer block (35).

2. A drone frame as claimed in claim 1, wherein: the mounting frame (1) corresponds bracing piece (3) and is equipped with places chamber (110), and sleeve (31) are close to mounting frame (1) one end and wear to be equipped with pivot (311), and pivot (311) both ends are all rotated and are connected in placing chamber (110) lateral wall, are equipped with fixed establishment (4) on mounting frame (1) and pivot (311), and bracing piece (3) can be placed in placing chamber (110).

3. A drone frame as claimed in claim 2, wherein: the fixing mechanism (4) comprises a fixing bolt (41), the fixing bolt (41) is penetrated and connected with the mounting frame (1) in a threaded mode, a fixing screw hole (42) is formed in the rotating shaft (311), the fixing bolt (41) can be connected with the fixing screw hole (42) in a threaded mode, a clamping ring (111) is arranged in the placing cavity (110), and the sleeve (31) can be clamped to the clamping ring (111).

4. A drone frame according to claim 3, wherein: rotor installation pole (2) include dead lever (21), and dead lever (21) are connected in mounting bracket (1), and cover is established and sliding connection has extension rod (22) on dead lever (21), is equipped with a plurality of locating holes (211) on dead lever (21), wears to establish and threaded connection has positioning bolt (221) on extension rod (22), and positioning bolt (221) can threaded connection in locating hole (211).

5. The unmanned aerial vehicle bay of claim 4, wherein: four corners of mounting bracket (1) outer peripheral face all are equipped with a rotor installation pole (2), and dead lever (21) swivelling joint is in mounting bracket (1), and each rotor installation pole (2) all are equipped with a fixture block (120) corresponding on mounting bracket (1), are equipped with draw-in groove (121) on fixture block (120), and extension pole (22) can joint in draw-in groove (121).

6. The unmanned aerial vehicle frame of claim 5, wherein: the utility model discloses a rotor installation pole, including dead lever (21), extension rod (22), dead lever (21), dead lever (22) are kept away from to dead lever (21), and dead lever (6) both ends all are equipped with stopper (61), stopper (61) sliding connection in dead lever (21), and mounting bracket (1) are equipped with a spacing groove (62) to every two kinds of states of expansion and withdrawal of rotor installation pole (2), and stopper (61) can joint respectively in two spacing grooves (62).

7. The unmanned aerial vehicle bay of claim 6, wherein: the fixing rod (21) and the extension rod (22) are hollow round rods, a plurality of inner grooves (5) are formed in the inner walls of the fixing rod (21) and the extension rod (22), the inner grooves (5) are arched, and two ends of each inner groove (5) are arranged in the same annular section of the pipe body.

8. The unmanned aerial vehicle bay of claim 7, wherein: the inner grooves (5) are uniformly arranged along the axial direction of the fixing rod (21) and the extending rod (22).