CN213384684U

CN213384684U - Unmanned aerial vehicle convenient for replacing undercarriage

Info

Publication number: CN213384684U
Application number: CN202022348562.9U
Authority: CN
Inventors: 陈佳; 洪正国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-08
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses an unmanned aerial vehicle that conveniently changes undercarriage, including unmanned aerial vehicle body and loop bar, the connecting box is installed to the bottom of unmanned aerial vehicle body, and the both sides of unmanned aerial vehicle body install propeller blade, the mobile jib is installed to the bottom of connecting box, and the one end of mobile jib is connected with branch, the connecting seat is installed to the outer wall of branch, and the internally mounted of connecting seat has the box, the internally mounted of box has a spring, and the one end of a spring is connected with the lug. This unmanned aerial vehicle that conveniently changes undercarriage is provided with box, a spring and lug, and in the in-process of using, when needs change the undercarriage, the first frame that falls of pulling, the lug receives a pressure extrusion spring this moment, and a spring drives the lug shrink for the lug breaks away from with the recess of branch outer wall, conveniently changes the undercarriage, during the installation, with the first frame that falls alignment branch together, make lug and recess block can.

Description

Unmanned aerial vehicle convenient for replacing undercarriage

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is an unmanned aerial vehicle that conveniently changes undercarriage.

Background

Compared with piloted aircraft, unmanned aerial vehicles are often more suitable for tasks too "fool, dirty or dangerous", and unmanned aerial vehicles can be divided into military and civil according to the application field, and in the military aspect, unmanned aerial vehicles are divided into reconnaissance planes and target planes. In the civil aspect, the unmanned aerial vehicle + the industry application is really just needed by the unmanned aerial vehicle; at present, after a flight mission is finished, the unmanned aerial vehicle can slightly collide with the ground when falling to the ground, damage to the undercarriage to a certain degree can be caused, and the undercarriage needs to be replaced.

Common unmanned aerial vehicle structure is fixed on the existing market, and is inconvenient to change the undercarriage, leads to using inconveniently, and common unmanned aerial vehicle lacks buffer structure, can produce the damage to unmanned aerial vehicle inner structure when falling to the ground.

So we have proposed an unmanned aerial vehicle that conveniently changes the undercarriage to in the solution the above-mentioned common unmanned aerial vehicle in the existing market that proposes is inconvenient changes the undercarriage and lacks the buffer structure problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle that conveniently changes undercarriage to solve the problem on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an unmanned aerial vehicle that conveniently changes undercarriage, includes unmanned aerial vehicle body and loop bar, the connecting box is installed to the bottom of unmanned aerial vehicle body, and the both sides of unmanned aerial vehicle body install propeller blade, the mobile jib is installed to the bottom of connecting box, and the one end of mobile jib is connected with branch, the connecting seat is installed to the outer wall of branch, and the internally mounted of connecting seat has a box, the internally mounted of box has a spring, and the one end of a spring is connected with the lug, the bottom of connecting seat is connected with the first frame that falls together, and the one end of the first frame that falls is connected with the loop bar, the one end of loop bar is connected with the buffer block, and the inner wall of buffer block is provided with the second undercarriage, No. two springs are installed to the outer wall of second undercarriage, and the bottom of second undercarriage installs the protective.

Preferably, four grooves are formed in the outer wall of the supporting rod, and the grooves are connected with the protruding blocks through the box in a clamping mode.

Preferably, the number of the convex blocks is four, and the four convex blocks are distributed in an equal angle relative to the central point of the connecting seat.

Preferably, the second undercarriage is elastically connected with the buffer block through a second spring, and two ends of the second spring are fixed with the buffer block and the second undercarriage respectively.

Preferably, the inner wall of the loop bar is provided with a cylindrical through groove, and the diameter of the through groove is matched with that of the second undercarriage.

Preferably, the inner diameter of the protective sleeve is matched with the diameter of the second undercarriage, and the protective sleeve is connected with the second undercarriage through glue adhesion.

Compared with the prior art, the beneficial effects of the utility model are that: this unmanned aerial vehicle that conveniently changes undercarriage:

1. the box, the first spring and the lug are arranged, when the undercarriage needs to be replaced in the using process, the first falling frame is pulled, the first spring is extruded by the pressure of the lug, the first spring drives the lug to contract, so that the lug is separated from the groove in the outer wall of the supporting rod, the undercarriage is convenient to replace, and when the undercarriage is installed, the first falling frame is aligned to the supporting rod, so that the lug is clamped with the groove;

2. be provided with second undercarriage, buffer block and No. two springs, at the in-process that uses, when unmanned aerial vehicle fell to the ground, No. two springs of buffer block extrusion for the second undercarriage is at the inside extension of loop bar, and No. two springs can give ascending elasticity of buffer block simultaneously, make the second undercarriage have certain cushioning nature, have played certain guard action to unmanned aerial vehicle.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

FIG. 3 is a side view of the main rod of the present invention;

fig. 4 is a schematic view of the connection seat of the present invention.

In the figure: 1. an unmanned aerial vehicle body; 2. a connecting box; 3. a propeller blade; 4. a main rod; 5. a strut; 6. a connecting seat; 7. a box; 8. a first spring; 9. a bump; 10. a first landing rack; 11. a loop bar; 12. a buffer block; 13. a second landing gear; 14. a second spring; 15. a protective sleeve; 16. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an unmanned aerial vehicle convenient for replacing an undercarriage comprises an unmanned aerial vehicle body 1, a connecting box 2, propeller blades 3, a main rod 4, a support rod 5, a connecting seat 6, a box 7, a first spring 8, a convex block 9, a first landing frame 10, a loop bar 11, a buffer block 12, a second undercarriage 13, a second spring 14, a protective sleeve 15 and a connecting rod 16, wherein the connecting box 2 is installed at the bottom of the unmanned aerial vehicle body 1, the propeller blades 3 are installed at two sides of the unmanned aerial vehicle body 1, the main rod 4 is installed at the bottom of the connecting box 2, one end of the main rod 4 is connected with the support rod 5, the connecting seat 6 is installed on the outer wall of the support rod 5, the box 7 is installed inside the connecting seat 6, the first spring 8 is installed inside the box 7, one end of the first spring 8 is connected with the convex block 9, the bottom of the connecting seat 6 is connected with the first landing frame 10, one end of loop bar 11 is connected with buffer block 12, and the inner wall of buffer block 12 is provided with second undercarriage 13, and No. two springs 14 are installed to the outer wall of second undercarriage 13, and protective sheath 15 is installed to the bottom of second undercarriage 13 to the outer wall connection of protective sheath 15 has connecting rod 16.

Four recesses have been seted up to the outer wall of branch 5, and the recess is connected through 7 blocks of box with lug 9, and the design of above-mentioned structure for first frame 10 that falls together can be connected with branch 5, and the convenience is fallen frame 10 and is changed first together.

The lugs 9 are four, the four lugs 9 are distributed at equal angles about the central point of the connecting seat 6, and due to the design of the structure, the four lugs 9 can effectively prevent the first falling frame 10 from sliding off, so that the stability is enhanced.

Second undercarriage 13 passes through 14 elastic connection of No. two springs with buffer block 12, and the both ends of No. two springs 14 are fixed with buffer block 12, second undercarriage 13 respectively, the design of above-mentioned structure for unmanned aerial vehicle has certain buffering nature when falling to the ground, has alleviateed unmanned aerial vehicle inner structure's damage to a certain extent.

The inner wall of loop bar 11 is provided with cylindrical logical groove, and leads to the diameter of groove and the diameter phase-match of second undercarriage 13, the design of above-mentioned structure for unmanned aerial vehicle second undercarriage 13 can be toward loop bar 11 internal extension when falling to the ground, has certain resiliency.

The inside diameter of protective sheath 15 and the diameter phase-match of second undercarriage 13, and protective sheath 15 passes through the glue stickness with second undercarriage 13 and is connected, and the design of above-mentioned structure has protected second undercarriage 13 to a certain extent.

The working principle is as follows: when the unmanned aerial vehicle convenient for replacing the undercarriage is used, firstly, as shown in figures 1-4, the undercarriage needs to be replaced when damaged, at the moment, the first landing frame 10 is pulled, at the moment, the first spring 8 is extruded by the pressure of the lug 9, the first spring 8 drives the lug 9 to contract, so that the lug 9 is separated from the groove on the outer wall of the supporting rod 5, the undercarriage is convenient to replace, during installation, the first landing frame 10 is aligned with the supporting rod 5, so that the lug 9 is clamped with the groove, meanwhile, as shown in figure 1, the unmanned aerial vehicle can be subjected to the impact force of the ground when landing, at the moment, the second spring 14 can be extruded by the buffer block 12, so that the second undercarriage 13 extends in the sleeve rod 11, and meanwhile, the second spring 14 can provide an upward elastic force for the buffer block 12, so that the second undercarriage 13 has a certain buffering property, and plays a certain protection role in the internal, to thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an unmanned aerial vehicle that convenient changes undercarriage, includes unmanned aerial vehicle body (1) and loop bar (11), its characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), a connecting box (2) is installed at the bottom of the unmanned aerial vehicle body (1), propeller blades (3) are installed on two sides of the unmanned aerial vehicle body (1), a main rod (4) is installed at the bottom of the connecting box (2), one end of the main rod (4) is connected with a supporting rod (5), a connecting seat (6) is installed on the outer wall of the supporting rod (5), a box (7) is installed inside the connecting seat (6), a first spring (8) is installed inside the box (7), one end of the first spring (8) is connected with a convex block (9), the bottom of the connecting seat (6) is connected with a first falling frame (10), one end of the first falling frame (10) is connected with a loop bar (11), one end of the loop bar (11) is connected with a buffer block (12), a second undercarriage (13) is arranged on the inner wall of the buffer block (12), and a second spring, and a protective sleeve (15) is installed at the bottom end of the second undercarriage (13), and a connecting rod (16) is connected to the outer wall of the protective sleeve (15).

2. The unmanned aerial vehicle for facilitating landing gear replacement according to claim 1, wherein: four grooves are formed in the outer wall of the support rod (5), and the grooves are connected with the bumps (9) in a clamping mode through the boxes (7).

3. The unmanned aerial vehicle for facilitating landing gear replacement according to claim 1, wherein: the number of the convex blocks (9) is four, and the four convex blocks (9) are distributed in an equal angle mode relative to the center point of the connecting seat (6).

4. The unmanned aerial vehicle for facilitating landing gear replacement according to claim 1, wherein: the second undercarriage (13) is elastically connected with the buffer block (12) through a second spring (14), and two ends of the second spring (14) are fixed with the buffer block (12) and the second undercarriage (13) respectively.

5. The unmanned aerial vehicle for facilitating landing gear replacement according to claim 1, wherein: the inner wall of the loop bar (11) is provided with a cylindrical through groove, and the diameter of the through groove is matched with that of the second undercarriage (13).

6. The unmanned aerial vehicle for facilitating landing gear replacement according to claim 1, wherein: the inner diameter of the protective sleeve (15) is matched with the diameter of the second undercarriage (13), and the protective sleeve (15) is connected with the second undercarriage (13) through glue adhesion.