CN212829035U - Unmanned aerial vehicle's screw rack construction - Google Patents

Abstract

The utility model discloses an unmanned aerial vehicle's screw rack construction, including base, mounting plate, a fastening bolt, rotating electrical machines, No. two mounting plates, No. two fastening bolts, protection network, protection wire netting lid, No. three mounting plates, No. three fastening bolts, flabellum, pivot, connecting rod, No. two pivots, bearing plate, backing plate, tighrening ring and connecting axle. The utility model has the advantages that: the protection network adopts rigid plastic to make, and wrap up the screw frame completely, can protect the flabellum not receive external destruction, protection network and protection net lid are through No. three mounting plates, No. three fastening bolt are detachable connection, make things convenient for the dismouting, the clearance maintenance of being convenient for, bearing plate and backing plate all adopt soft rubber to make, and tighrening ring and connecting axle are the screw thread rotary type and connect, be convenient for prevent wearing and tearing, the base is through a mounting plate, a fastening bolt and unmanned aerial vehicle fuselage are connected, make things convenient for the dismouting the device, the flabellum passes through the connecting axle and is connected with the rotating electrical machines, the flabellum of being convenient for.

Description

Unmanned aerial vehicle's screw rack construction

Technical Field

The utility model relates to a screw rack construction specifically is an unmanned aerial vehicle's screw rack construction, belongs to unmanned aerial vehicle technical field.

Background

The unmanned aerial vehicle is an unmanned aerial vehicle operated by a radio remote control device and a self-contained program control device, or is completely or intermittently and autonomously operated by an on-board computer, and the unmanned aerial vehicle takes off through the rotation of a propeller when flying, and the propeller of the unmanned aerial vehicle needs to be installed on a rack.

And to current screw frame, the structure is comparatively simple, one of them, general screw frame does not possess the protection network, lead to the screw flabellum to obtain effective protection, very easily destroyed by the external world, and there is certain potential safety hazard, its two, general screw frame protection network can not be dismantled, lead to the clearance and the maintenance difficulty of its protection network, the device has great limitation, it is third, general screw frame does not possess the demountable assembly function, lead to it to be difficult to separate with the unmanned aerial vehicle fuselage, lead to its screw frame maintenance to change the difficulty, the device has great limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an unmanned aerial vehicle's screw rack construction just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a propeller rack structure of an unmanned aerial vehicle comprises a base, a first fastening plate, a first fastening bolt, a rotating motor, a second fastening plate, a second fastening bolt, a protective net cover, a third fastening plate, a third fastening bolt, fan blades, a first rotating shaft, a connecting rod, a second rotating shaft, a bearing plate, a backing plate, a fastening ring and a connecting shaft; the base is arranged at the bottom of the device, a first fastening plate is arranged on the periphery of the lower end of the base, the first fastening bolt penetrates through the first fastening plate, the first fastening plate is installed on the unmanned aerial vehicle through the first fastening bolt, the base wraps the lower end of a rotating motor, the rotating motor is electrically connected with an external power supply through a connecting wire, a connecting shaft is arranged in the center of the top of the rotating motor, a second rotating shaft is sleeved at the middle end of the connecting shaft, a bearing plate is arranged below the second rotating shaft, a backing plate is arranged above the second rotating shaft, a fastening ring is arranged above the backing plate, the fastening ring, the backing plate and the bearing plate are all sleeved on the connecting shaft, a connecting rod is connected around the second rotating shaft, the connecting rod is distributed outside the second rotating shaft in a cross manner, the tail end of the connecting rod is connected with one end of the first rotating shaft, the protection network cover is in the first half of device, flabellum, pivot, connecting rod, No. two pivots, bearing plate, backing plate, tighrening ring and connecting axle all are located the protection network, the protection network bottom is provided with the mounting plate No. two, No. two the mounting plate is connected through No. two fastening bolt and the rotating electrical machines outside, the protection network top surface is provided with the protection wire netting lid, protection network and protection wire netting lid all are provided with No. three mounting plates, two all around along the edge junction No. three the mounting plate is connected through No. three fastening bolt.

Preferably, in order to protect the propeller rack, the protective net is made of rigid plastic, and the propeller rack structure is completely wrapped by the protective net.

Preferably, in order to facilitate the disassembly and assembly of the protective net, the protective net and the protective net cover are detachably connected through a third fastening plate and a third fastening bolt.

Preferably, for placer wearing and tearing, bearing plate and backing plate all adopt soft rubber to make, and be the screw thread rotary type between tighrening ring and the connecting axle and be connected.

Preferably, for the convenience install the device unmanned aerial vehicle on, the base is detachable connection through a mounting plate, a fastening bolt and unmanned aerial vehicle fuselage.

Preferably, for the convenience of fan blade rotation, the fan blade passes through to be the rotary type between connecting axle and the rotating electrical machines and is connected.

The utility model has the advantages that: the propeller rack structure of the unmanned aerial vehicle is reasonable in design, the protective net is made of rigid plastic, the propeller rack structure is completely wrapped by the protective net, the protective net is arranged to protect fan blades from being damaged by the outside, the protective net and the protective net cover are detachably connected through a third fastening plate and a third fastening bolt, the protective net is convenient to disassemble and assemble by twisting the fastening bolts, cleaning and maintenance are convenient, the bearing plate and the backing plate are made of soft rubber, the fastening ring and the connecting shaft are in threaded rotary connection, unnecessary abrasion of a second rotating shaft is convenient to prevent, the base is detachably connected with the unmanned aerial vehicle body through the first fastening plate and the first fastening bolt, the propeller rack is convenient to mount on the unmanned aerial vehicle through the fastening bolts, disassembly and assembly are convenient, the fan blades are in rotary connection between the connecting shaft and the rotating motor, the rotating motor operates to drive the connecting shaft to rotate, and the connecting shaft drives the fan blades to rotate.

Drawings

FIG. 1 is a schematic view of a cross-sectional structure of a propeller frame of the present invention;

fig. 2 is a schematic view of the fan blade distribution structure of the present invention.

In the figure: 1. base, 2, mounting plate, 3, fastening bolt, 4, rotating electrical machines, 5, No. two mounting plates, 6, No. two fastening bolts, 7, protection network, 8, protection net cover, 9, No. three mounting plates, 10, No. three fastening bolts, 11, flabellum, 12, pivot, 13, connecting rod, 14, No. two pivots, 15, bearing plate, 16, backing plate, 17, tighrening ring and 18, connecting axle

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. 1-2, a propeller frame structure of an unmanned aerial vehicle includes a base 1, a first fastening plate 2, a first fastening bolt 3, a rotating electrical machine 4, a second fastening plate 5, a second fastening bolt 6, a protective net 7, a protective net cover 8, a third fastening plate 9, a third fastening bolt 10, fan blades 11, a first rotating shaft 12, a connecting rod 13, a second rotating shaft 14, a bearing plate 15, a backing plate 16, a fastening ring 17 and a connecting shaft 18; the base 1 is arranged at the bottommost part of the device, a first fastening plate 2 is arranged on the periphery of the lower end of the base 1, a first fastening bolt 3 penetrates through the first fastening plate 2, the first fastening plate 2 is installed on the unmanned aerial vehicle through the first fastening bolt 3, the base 1 wraps the lower end of a rotating motor 4, the rotating motor 4 is electrically connected with an external power supply through a connecting wire, the type of the rotating motor 4 is Y355L4-8, a connecting shaft 18 is arranged at the center of the top of the rotating motor 4, a second rotating shaft 14 is sleeved at the middle end of the connecting shaft 18, a bearing plate 15 is arranged below the second rotating shaft 14, a backing plate 16 is arranged above the second rotating shaft 14, a fastening ring 17 is arranged above the backing plate 16, the fastening ring 17, the backing plate 16 and the bearing plate 15 are all sleeved on the connecting shaft 18, a connecting rod 13 is connected on the periphery of the second rotating shaft 14, connecting rod 13 is the cross and distributes in the 14 outsides of No. two pivots, 12 one ends of a pivot of connecting rod 13 end-to-end connection, flabellum 11 is connected to the 12 other ends of a pivot, protection network 7 cover is in the first half of device, flabellum 11, pivot 12, connecting rod 13, No. two pivots 14, bearing plate 15, backing plate 16, tighrening ring 17 and connecting axle 18 all are located protection network 7, 7 bottoms of protection network are provided with No. two mounting plates 5, No. two mounting plates 5 are connected through No. two fastening bolt 6 and the 4 outsides of rotating electrical machines, 7 top surfaces of protection network are provided with protection wire cover 8, 7 and 8 all edge junction all are provided with No. three mounting plates 9 in the periphery of protection network cover, two No. three mounting plates 9 connect through No. three fastening bolt 10.

The protective net 7 is made of rigid plastics, the propeller rack structure is completely wrapped by the protective net 7, the protective net 7 can protect fan blades 11 from being damaged by the outside, the protective net 7 and the protective net cover 8 are detachably connected through a third fastening plate 9 and a third fastening bolt 10, the protective net 7 is convenient to disassemble and assemble by twisting the fastening bolts, the bearing plate 15 and the backing plate 16 are both made of soft rubber, the fastening ring 17 and the connecting shaft 18 are in threaded rotary connection, unnecessary abrasion on the second rotating shaft 14 is convenient to prevent, the base 1 is detachably connected with the unmanned aerial vehicle body through a first fastening plate 2 and a first fastening bolt 3, the propeller rack is convenient to mount on the unmanned aerial vehicle through the fastening bolts, the disassembly and assembly are convenient, the fan blades 11 are in rotary connection through the connecting shaft 18 and the rotating motor 4, the rotating motor 4 operates to drive the connecting shaft 18 to rotate, and the connecting shaft 18 drives the fan blades 11 to rotate.

The working principle is as follows: when using this kind of unmanned aerial vehicle's screw rack construction, with No. two pivot 14, bearing plate 15, backing plate 16 and tighrening ring 17 are installed on connecting axle 18, No. two mounting plates of rethread 5, No. two fastening bolt 6 and No. three mounting plate 9, No. three fastening bolt 10 with protection network 7 and 8 installation numbers of protection net lid, through a mounting plate 2, a fastening bolt 3 with this screw rack-mount on unmanned aerial vehicle can, 4 functions of rotating electrical machines drive connecting axle 18 and rotate, connecting axle 18 drives flabellum 11 and rotates, the unmanned aerial vehicle function of being convenient for.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides an unmanned aerial vehicle's screw rack construction which characterized in that: the novel fan blade fixing device comprises a base (1), a first fastening plate (2), a first fastening bolt (3), a rotating motor (4), a second fastening plate (5), a second fastening bolt (6), a protective net (7), a protective net cover (8), a third fastening plate (9), a third fastening bolt (10), fan blades (11), a first rotating shaft (12), a connecting rod (13), a second rotating shaft (14), a bearing plate (15), a backing plate (16), a fastening ring (17) and a connecting shaft (18); the base (1) is arranged at the bottom of the device, a first fastening plate (2) is arranged on the periphery of the lower end of the base (1), the first fastening bolt (3) penetrates through the first fastening plate (2), the first fastening plate (2) is installed on the unmanned aerial vehicle through the first fastening bolt (3), the lower end of a rotating motor (4) is wrapped by the base (1), the rotating motor (4) is electrically connected with an external power supply through a connecting wire, a connecting shaft (18) is arranged at the center of the top of the rotating motor (4), a second rotating shaft (14) is sleeved at the middle end of the connecting shaft (18), a bearing plate (15) is arranged below the second rotating shaft (14), a backing plate (16) is arranged above the second rotating shaft (14), a fastening ring (17) is arranged above the backing plate (16), and the fastening ring (17), the backing plate (16) and the bearing plate (15) are all sleeved on the connecting shaft (18), a connecting rod (13) is connected around the second rotating shaft (14), the connecting rod (13) is distributed outside the second rotating shaft (14) in a cross manner, one end of a first rotating shaft (12) is connected with the tail end of the connecting rod (13), the other end of the first rotating shaft (12) is connected with a fan blade (11), the protective net (7) is sleeved on the upper half part of the device, the fan blade (11), the first rotating shaft (12), the connecting rod (13), the second rotating shaft (14), a bearing plate (15), a backing plate (16), a fastening ring (17) and a connecting shaft (18) are all located in the protective net (7), a second fastening plate (5) is arranged at the bottom of the protective net (7), the second fastening plate (5) is connected with the outer side of the rotating motor (4) through a second fastening bolt (6), a protective net cover (8) is arranged on the top surface of the protective net (7), and a third fastening plate (9) is arranged at the connection position of the edges of the protective net (7, the two third fastening plates (9) are connected through a third fastening bolt (10).

2. The propeller frame structure of an unmanned aerial vehicle of claim 1, wherein: the protective net (7) is made of hard plastics, and the propeller rack structure is completely wrapped by the protective net (7).

3. The propeller frame structure of an unmanned aerial vehicle of claim 1, wherein: the protective net (7) and the protective net cover (8) are detachably connected through a third fastening plate (9) and a third fastening bolt (10).

4. The propeller frame structure of an unmanned aerial vehicle of claim 1, wherein: the bearing plate (15) and the backing plate (16) are both made of soft rubber, and the fastening ring (17) and the connecting shaft (18) are in threaded rotary connection.

5. The propeller frame structure of an unmanned aerial vehicle of claim 1, wherein: base (1) is detachable connection through mounting plate (2), fastening bolt (3) and unmanned aerial vehicle fuselage.

6. The propeller frame structure of an unmanned aerial vehicle of claim 1, wherein: the fan blades (11) are rotatably connected with the rotating motor (4) through a connecting shaft (18).

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