CN110448922B - Screw driving mechanism for toy unmanned aerial vehicle - Google Patents
Screw driving mechanism for toy unmanned aerial vehicle Download PDFInfo
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- CN110448922B CN110448922B CN201910739743.3A CN201910739743A CN110448922B CN 110448922 B CN110448922 B CN 110448922B CN 201910739743 A CN201910739743 A CN 201910739743A CN 110448922 B CN110448922 B CN 110448922B
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H27/00—Toy aircraft; Other flying toys
- A63H27/12—Helicopters ; Flying tops
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H29/00—Drive mechanisms for toys in general
- A63H29/22—Electric drives
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Abstract
The invention relates to the technical field of unmanned aerial vehicles. A propeller driving mechanism for a toy unmanned aerial vehicle comprises a main shaft, a driving assembly, a first propeller assembly and a second propeller assembly; the main shaft is connected with an inner shaft through a lower propeller sleeve; the inner shaft penetrates through the middle part of the main shaft; the inner shaft is connected with a reversing rod through an upper propeller sleeve; the reversing rod penetrates through the middle part of the inner shaft; the driving component is sleeved in the middle of the main shaft; the first propeller assembly is positioned in the middle of the inner shaft and above the driving tilting disk; the first propeller assembly is driven to rotate by the driving assembly; the second propeller component is sleeved on the upper part of the inner shaft; the second propeller component is driven to rotate reversely through the rotation of the first propeller component. The air purifier has the advantages that the air purifier has long staying time in the air, and is convenient for a user to operate; the aircraft is not influenced by external force and flies stably; the unmanned aerial vehicle has the advantages of accurate flight remote control, high flight height and longer stroke.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a propeller driving mechanism for a toy unmanned aerial vehicle.
Background
Toy unmanned aerial vehicle all adopts single screw structure mostly, drives the screw rotation through the motor to reach the purpose that the helicopter coiled and risen. At present, a double-propeller rotating structure is also provided, for example, a coaxial reverse propeller structure is disclosed in a Chinese utility model patent with publication number CN2555082Y, publication number 2003.06.11, which is mainly used in toy aircrafts and comprises two propellers, the propellers are divided into two groups, the propellers are composed of propeller blades and power shafts, the power shafts are respectively driven by respective power to rotate, and the two groups of propellers rotate in opposite directions; the two groups of propellers are arranged on the same axis. The propeller structure can effectively ensure the stability of the small aircraft during flying, so that the small aircraft has longer flying or staying time in the air (compared with a single propeller with the same function), and the climbing height of the small aircraft is far higher than that of the single propeller. The propeller is simple and applicable in structure, and the structure can also be applicable to similar flyers.
However, the above propeller structure is too simple, resulting in insufficient stability and performance of the overall structure; a short dwell time in the air, which is difficult for the user to handle; secondly, the aircraft is easily influenced by external force in flight, so that the aircraft is easy to change direction and is unstable in flight; three unmanned aerial vehicle flight remote control is inaccurate, and flying height is lower and the stroke is shorter.
Disclosure of Invention
The invention aims to solve the problem of the existing propeller of the toy unmanned aerial vehicle, and provides a propeller driving mechanism for the toy unmanned aerial vehicle, which has stable flight, easy operation, good transmission performance and good overall flight effect.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a propeller driving mechanism for a toy unmanned aerial vehicle comprises a main shaft, a driving assembly, a first propeller assembly and a second propeller assembly; the main shaft is connected with an inner shaft through a lower propeller sleeve; the inner shaft penetrates through the middle part of the main shaft; the inner shaft is connected with a reversing rod through an upper propeller sleeve; the reversing rod penetrates through the middle part of the inner shaft; the driving assembly comprises a driving supporting plate, a plurality of steering engines, a plurality of steering engine rocker arms, a plurality of steering engine pull rods and a driving tilting disk; the driving support plate is sleeved on the main shaft; the steering engines are respectively arranged at the bottom of the driving support plate; one end of each steering engine rocker arm is connected with a rotating shaft of one steering engine; the other end of each steering engine rocker arm is connected with the bottom end of one steering engine transmission rod; the driving tilting disk is sleeved at the upper part of the main shaft through a first fisheye bearing; a plurality of connecting arms are regularly arranged on the outer wall of the driving tilting disk in the circumferential direction; the outer end of each connecting arm is connected with the top end of a steering engine pull rod; the first propeller assembly is positioned in the middle of the inner shaft and above the driving tilting disk; the first propeller assembly is driven to rotate by the driving assembly; the second propeller assembly is sleeved on the upper part of the inner shaft; the second propeller component is driven to rotate reversely through the rotation of the first propeller component.
Preferably, the right side of the driving supporting plate is hinged with a U-shaped hinge plate; two open ends of the U-shaped hinged plate are connected with a Y-shaped hinged plate; the bottom of the middle rod of the Y-shaped hinged plate is hinged with the outer end of one connecting arm and is positioned outside the pull rod of the steering engine.
Preferably, the first propeller assembly comprises a first spiral inclined disc, four inclined disc pull rods, two pitch pull rods and two first propeller frames; the first spiral inclined disc is sleeved on the driving inclined disc; four first spiral hinged rods are arranged on the outer ring of the first spiral inclined disc in a circumferential regular manner; the bottom end of each inclined disc pull rod is hinged to the outer end of the first spiral hinge rod; four second spiral hinge rods are arranged on the outer ring of the first spiral inclined disc in a circumferential regular manner; the bottoms of the two pitch pull rods are respectively hinged with the outer ends of the second spiral hinge rods on the front side and the rear side; the outer ends of the second spiral hinged rods on the left side and the right side are respectively hinged with a first steering hinged rod and a second steering hinged rod; the first steering hinge rod is hinged to the bottom of the rear side of the lower propeller sleeve through a first steering matching rod; the second steering hinge rod is hinged to the bottom of the front side of the lower propeller sleeve through a second steering matching rod; the two first propeller brackets are respectively hinged at the left side and the right side of the middle part of the lower propeller sleeve; a first propeller bracket rocker arm is arranged at the rear part of the first propeller bracket on the left side; the right end of the first propeller bracket rocker arm is hinged with the top of a pitch pull rod; a second propeller bracket rocker arm is arranged at the front part of the right first propeller bracket; the left end of the second paddle frame rocker arm is hinged with the top of the other pitch pull rod.
Preferably, the second propeller assembly comprises a second spiral inclined disc, two upward moving pull rods, a third steering hinge rod and a fourth steering hinge rod; the upper part of the inner shaft is provided with a matching inclined disc through a second fisheye bearing sleeve; four matching rods are arranged on the outer ring of the matching inclined disc in a circumferential regular manner; the outer ends of the four matching rods are respectively connected with the tops of the four inclined disc pull rods; the second spiral inclined disc is sleeved on the matched inclined disc; four second spiral hinged rods are arranged on the outer ring of the second spiral inclined disc in a circumferential regular manner; the included angle between any two adjacent second spiral hinged rods is 90 degrees; the bottoms of the two upward moving pull rods are respectively hinged with the second spiral hinge rods on the front side and the rear side; the third steering hinged rod and the fourth steering hinged rod are respectively hinged on the second spiral hinged rods on the left side and the right side; the third steering hinge rod is hinged to the bottom of the front side of the upper propeller sleeve through a third steering matching rod; the fourth steering hinge rod is hinged to the bottom of the rear side of the upper propeller sleeve through a fourth steering matching rod; the front side and the rear side of the top of the reversing rod are respectively hinged with a reversing hinged rod; the tops of the two upward moving pull rods are respectively hinged with the outer ends of the two reversing hinged rods.
Preferably, the left side and the right side of the top of the upper propeller sleeve are respectively connected with a second propeller rack; a third propeller bracket rocker arm is arranged at the front part of the left second propeller bracket; a first upward moving hinged pull rod is connected between the right end of the third paddle frame rocker arm and the middle part of the front side reversing hinged rod; a fourth propeller bracket rocker arm is arranged at the rear part of the second right propeller bracket; and a second upward moving hinged pull rod is connected between the fourth paddle frame rocker arm and the middle part of the rear side reversing hinged rod.
Preferably, the left side and the right side of the top of the lower propeller sleeve are provided with propeller sleeve hinge rods; the outer ends of the two paddle sleeve hinge rods are connected with paddle sleeve matching rods; the upper ends of the two paddle sleeve matching rods are respectively hinged to the left side and the right side of the matching inclined plate.
Preferably, the number of the connecting arms is three, and the included angle between any two adjacent connecting arms is 120 degrees.
Preferably, the included angle between any two adjacent first spiral hinge rods is 90 degrees; each second spiral hinged rod is positioned in the center of two adjacent first spiral hinged rods.
Preferably, the first propeller bracket and the second propeller bracket are both provided with propeller blade grooves; and blades are arranged on the propeller blade grooves.
Preferably, the driving method sequentially comprises the following steps: three steering engines in the driving assembly respectively drive the connecting arms to swing so as to drive the rotating disc to swing on the main shaft; the first spiral rotating disc is driven to swing by driving the rotating disc, so that the first steering hinge rod and the second steering hinge rod drive the first spiral rotating disc to rotate clockwise, and the two first propeller frames are driven to rotate clockwise by the pitch pull rod and the lower propeller sleeve; the rotating disc pull rod is driven to rotate through the first spiral rotating disc, so that the drive matching rotating disc rotates clockwise on the inner shaft, the third steering hinge rod and the fourth steering hinge rod are reversely arranged to drive the second spiral rotating disc to rotate anticlockwise, and the upper propeller sleeve and the upper moving pull rod are driven to drive the two second propeller frames to rotate anticlockwise.
According to the propeller driving mechanism for the toy unmanned aerial vehicle, three automatic inclinators are independently controlled to control the steering engine, the upper rotary wing, the lower rotary wing and the differential operation amount of the propeller pitch; the upper rotor wing rotates anticlockwise, and the lower rotor wing rotates clockwise, so that the transmission effect is further improved, and the flying stability is further improved; meanwhile, the whole flying effect of the mechanism is good due to convenient operation. In summary, the air purifier has the advantages that the air purifier has long staying time in the air and is convenient for a user to operate; the aircraft is not influenced by external force and flies stably; the unmanned aerial vehicle has the advantages of accurate flight remote control, high flight height and longer stroke.
Drawings
Fig. 1 is a schematic structural view of a propeller driving mechanism for a toy unmanned aerial vehicle according to the present invention.
Fig. 2 is a schematic structural view of the first propeller assembly.
Fig. 3 is a schematic structural view of the second propeller assembly.
Detailed Description
The patent is further explained by combining the drawings and the embodiments.
As shown in fig. 1, a propeller driving mechanism for a toy unmanned aerial vehicle comprises a main shaft 1, a driving assembly 2, a first propeller assembly 3 and a second propeller assembly 4; the main shaft 1 is connected with an inner shaft 101 through a lower propeller sleeve 5; inner shaft 101 passes through the middle of main shaft 1; the inner shaft 101 is connected with a reversing rod 102 through an upper propeller sleeve 6; the reversing rod 102 passes through the middle part of the reversing rod 102; the driving component 2 is sleeved in the middle of the main shaft 1; the first propeller assembly 3 is positioned in the middle of the inner shaft 101 and above the driving assembly 2; the first propeller component 3 is driven to rotate by the driving component 2; the second propeller component 4 is sleeved on the upper part of the inner shaft 101; the second propeller component 4 is driven to rotate reversely by the rotation of the first propeller component 3.
As shown in fig. 1, the driving assembly 2 includes a driving support plate 21, three steering engines 22, three steering engine rocker arms 221, three steering engine pull rods 222, and a driving rotary disc 23; the driving support plate 21 is sleeved on the main shaft 1; three steering wheel 22 sets up respectively in the bottom of drive backup pad 21, and the three steering wheel 22 of being convenient for is fixed and is supported through drive backup pad 21. One end of each steering engine rocker arm 221 is connected with a rotating shaft of one steering engine 22; the other end of each steering engine rocker arm 221 is connected with the bottom end of one steering engine transmission rod 222, and the steering engine 22 drives the steering engine transmission rod 222 to swing through the steering engine rocker arms 221. The driving rotating disc 23 is sleeved on the upper portion of the main shaft 1 through the first fisheye bearing 230, and rotation is facilitated through the fisheye bearing, so that rotation efficiency is improved. The outer wall circumference rule of drive rolling disc 23 is provided with three linking arms 231, and linking arm 231 quantity is three, and the contained angle between two arbitrary adjacent linking arms 231 is 120, is convenient for more effectively support and transmission like this, further promotes driven stability. The outer end of each connecting arm 231 is connected with the top end of one steering engine pull rod 222, and the connecting arms 231 are driven to swing through the steering engine pull rods 222. The right side of the driving support plate 21 is hinged with a U-shaped hinge plate 211; two open ends of the U-shaped hinged plate 211 are connected with a Y-shaped hinged plate 212; the bottom of the middle rod of the Y-shaped hinged plate 212 is hinged to the outer end of a connecting arm 231 and is located on the outer side of the steering engine pull rod 222, and the swinging of the rotating disc 23 is further driven to be convenient through the matching between the U-shaped hinged plate 211 and the Y-shaped hinged plate 212, so that the rotating disc is further effectively matched with the first propeller assembly 3 and drives the first propeller assembly 3 to rotate.
As shown in fig. 1 and 2, the first propeller assembly 3 includes a first helical turn disc 31, four turn disc drag rods 32, two pitch drag rods 33, two first propeller brackets 34; the first spiral rotating disk 31 is sleeved on the driving rotating disk 23, and the driving rotating disk 23 swings to drive the first spiral rotating disk 31 to rotate. The outer ring of the first spiral rotating disc 31 is provided with four first spiral hinged rods 311 in a circumferential regular arrangement, and an included angle between any two adjacent first spiral hinged rods 311 is 90 degrees, so that the transmission efficiency is convenient to improve, and the transmission stability is further improved. The bottom end of each rotating disc pull rod 32 is hinged on the outer end of the first spiral hinge rod 311; four second spiral hinge rods 312 are arranged on the outer ring of the first spiral rotating disc 31 in a circumferential regular manner, and each second spiral hinge rod 312 is positioned at the center of two adjacent first spiral hinge rods 311, so that the transmission efficiency is improved, and the transmission stability is further improved. The bottoms of the two pitch pull rods 33 are respectively hinged with the outer ends of the second spiral hinged rods 312 at the front side and the rear side; the outer ends of the second spiral hinged rods 312 on the left side and the right side are respectively hinged with a first steering hinged rod 313 and a second steering hinged rod 314, and the first steering hinged rod 313 and the second steering hinged rod 314 are used for facilitating better transmission and achieving better rotating effect. The first steering hinge rod 313 is hinged at the bottom of the rear side of the lower propeller sleeve 5 through a first steering matching rod 315; the second steering hinge rod 314 is hinged to the bottom of the front side of the lower propeller sleeve 5 through the second steering matching rod 316, and the first helical turning disc 31 is driven to rotate clockwise through the mutual matching between the steering hinge rods on the two sides and the steering matching rod. Two first propeller brackets 34 are respectively hinged at the left side and the right side of the middle part of the lower propeller sleeve 5, the two first propeller brackets 34 are both provided with propeller blade grooves 340, and the propeller blade grooves 340 are provided with blades, so that better flight control and better flight effect can be further facilitated and achieved through the blades. A first cradle swing arm 341 is provided at the rear of the left first propeller cradle 34; the right end of the first paddle frame rocker 341 is hinged to the top of one pitch pull rod 33, and the first paddle frame rocker 341 is convenient for better driving one pitch pull rod 33 and is hinged to and matched with one pitch pull rod 33. A second propeller bracket rocker arm 342 is arranged at the front part of the right first propeller bracket 34; the left end of the second rack rocker 342 is hinged to the top of the other pitch pull rod 33, and the two pitch pull rods 33 respectively drive the first rack rocker 341 on the left and right sides to rotate clockwise by rotating the first helical turn disc 31.
As shown in fig. 1 and 3, the second propeller assembly 4 includes a second helical turn disc 41, two upward moving pull rods 42, a third steering hinge rod 43, and a fourth steering hinge rod 44; the upper part of the inner shaft 101 is provided with a matching rotating disc 40 through a second fisheye bearing 400, so that the rotation is better facilitated through the fisheye bearing, and the rotation efficiency is improved. Four matching rods 401 are regularly arranged on the outer ring of the matching rotating disc 40 in the circumferential direction; the outer ends of the four engagement rods 401 are connected to the tops of the four turn disc levers 32, respectively, and the four turn disc levers 32 rotate the first propeller assembly 3 to drive the engagement turn disc 40 to rotate counterclockwise. The left side and the right side of the top of the lower propeller sleeve 5 are provided with propeller sleeve hinge rods 51; the outer ends of the two paddle sleeve hinged rods 51 are connected with paddle sleeve matching rods 52; the upper ends of the two paddle housing engagement levers 52 are hinged to the left and right sides of the engagement turn plate 40, respectively. The propeller pitch differential control is performed by the mutual cooperation between the propeller sleeve hinge rod 51 and the propeller sleeve matching rod 52 to drive the matching rotating disc 40 to perform lifting adjustment. The second spiral rotating disk 41 is sleeved on the matching rotating disk 40, and the matching rotating disk 40 drives the second spiral rotating disk 41 to rotate anticlockwise. Four second spiral hinge rods 411 are arranged on the outer ring of the second spiral rotating disc 41 in a circumferential regular manner; the included angle between any two adjacent second spiral hinge rods 411 is 90 degrees, so that the transmission efficiency is convenient to promote, and the transmission stability is further promoted. The bottoms of the two upward moving pull rods 42 are respectively hinged with the second spiral hinge rods 411 on the front side and the rear side; the third steering hinged rod 43 and the fourth steering hinged rod 44 are hinged to the second spiral hinged rods 411 on the left side and the right side respectively; the third steering hinge rod 43 and the fourth steering hinge rod 44 are arranged opposite to the first propeller assembly 3, so that the effect of the reverse rotation of the two propeller assemblies is further improved. The third steering hinge lever 43 is hinged at the bottom of the front side of the upper propeller housing 6 by a third steering engagement lever 431; the fourth steering hinge rod 44 is hinged to the bottom of the rear side of the upper propeller sleeve 6 through a fourth steering matching rod 441, and is reversely arranged with the first propeller assembly 3 through a third steering matching rod 431 and the fourth steering matching rod 441, so that the reverse rotation effect of the two propeller assemblies is further improved. The front side and the rear side of the top of the reversing rod 102 are respectively hinged with a reversing hinged rod 103; the tops of the two upward moving pull rods 42 are hinged to the outer ends of the two reversing hinged rods 103 respectively, and the reversing hinged rods 103 are matched with the upward moving pull rods 42 to facilitate better reversing, so that the reverse double-rotation effect is improved. The left side and the right side of the top of the upper propeller sleeve 6 are respectively connected with a second propeller bracket 45; the second propeller support 45 is provided with a propeller blade groove 340; the propeller blade groove 340 is provided with blades, so that better flight control and better flight effect can be achieved through the blades. A third propeller bracket rocker arm 451 is arranged at the front part of the left second propeller bracket 45; a first upward moving hinged pull rod 452 is connected between the right end of the third paddle frame rocker arm 451 and the middle part of the front side reversing hinged rod 103; a fourth propeller bracket rocker arm 453 is arranged at the rear part of the right second propeller bracket 45; a second upper moving hinge rod 454 is connected between the fourth paddle frame rocker arm 453 and the middle of the rear-side reversing hinge rod 103. The third and fourth paddle holder rocker arms 451, 453 facilitate better driving the paddle to rotate counterclockwise, thereby further improving the rotating effect.
The driving method of the propeller driving mechanism for the toy unmanned aerial vehicle sequentially comprises the following steps: three steering engine rocker arms 221 are driven to rotate through three steering engines 22 in the driving assembly 2 respectively, a steering engine transmission rod 222 is driven to swing through the steering engine rocker arms 221, and a connecting arm 231 is driven to swing through a steering engine pull rod 222 so as to drive the rotating disc 23 to swing on the main shaft 1; and the driving rotating disc 23 is further driven to swing through the cooperation between the U-shaped hinge plate 211 and the Y-shaped hinge plate 212; the first helical rotary disk 31 is driven to swing by driving the rotary disk 23, so that the first steering hinge rod 313 and the second steering hinge rod 314 drive the first helical rotary disk 31 to rotate clockwise, and the two first propeller brackets 34 are driven to rotate clockwise by the pitch pull rod 33 and the lower propeller sleeve 5; the first helical rotary disk 31 drives the rotary disk pull rod 32 to rotate so as to drive the shaft 101 in the matching rotary disk 40 to rotate clockwise, and the third steering hinge rod 43 and the fourth steering hinge rod 44 are reversely arranged to drive the second helical rotary disk 41 to rotate anticlockwise so as to drive the upper propeller sleeve 6 and the upper pull rod 42 to drive the two second propeller frames 45 to rotate anticlockwise, so that the coaxial double-rotor wing reverse rotation action is realized.
The mechanism realizes independent control of three automatic tillers to control the steering engine, the rotation of the upper rotor wing, the rotation of the lower rotor wing and the differential operation amount of the propeller pitch; the upper rotor wing rotates anticlockwise, and the lower rotor wing rotates clockwise, so that the transmission effect is further improved, and the flying stability is further improved; meanwhile, the whole flying effect of the mechanism is good due to convenient operation. In conclusion, the air purifier has the technical effects that the air purifier stays in the air for a long time, and is convenient for a user to operate; the aircraft is not influenced by external force and flies stably; unmanned aerial vehicle flight remote control is accurate, and flying height is high and the stroke is longer.
Claims (5)
1. A propeller driving mechanism for a toy unmanned aerial vehicle is characterized by comprising a main shaft (1), a driving assembly (2), a first propeller assembly (3) and a second propeller assembly (4); the main shaft (1) is connected with an inner shaft (101) through a lower propeller sleeve (5); the inner shaft (101) penetrates through the middle part of the main shaft (1); the inner shaft (101) is connected with a reversing rod (102) through an upper propeller sleeve (6); the reversing rod (102) penetrates through the middle part of the inner shaft (101); the driving assembly (2) comprises a driving support plate (21), a plurality of steering engines (22), a plurality of steering engine rocker arms (221), a plurality of steering engine pull rods (222) and a driving rotating disc (23); the driving support plate (21) is sleeved on the main shaft (1); the steering engines (22) are respectively arranged at the bottom of the driving support plate (21); one end of each steering engine rocker arm (221) is connected with a rotating shaft of one steering engine (22); the other end of each steering engine rocker arm (221) is connected with the bottom end of one steering engine transmission rod (222); the driving rotating disc (23) is sleeved on the upper part of the main shaft (1) through a first fisheye bearing (230); a plurality of connecting arms (231) are regularly arranged on the outer wall of the driving rotating disc (23) in the circumferential direction; the outer end of each connecting arm (231) is connected with the top end of a steering engine pull rod (222); the first propeller assembly (3) is positioned in the middle of the inner shaft (101) and above the driving rotating disc (23); the first propeller component (3) is driven to rotate by the driving component (2); the second propeller assembly (4) is sleeved on the upper part of the inner shaft (101); the first propeller component (3) rotates to drive the second propeller component (4) to rotate reversely;
the right side of the driving supporting plate (21) is hinged with a U-shaped hinge plate (211); two open ends of the U-shaped hinged plate (211) are connected with a Y-shaped hinged plate (212); the bottom of the middle rod of the Y-shaped hinge plate (212) is hinged with the outer end of a connecting arm (231) and is positioned on the outer side of the steering engine pull rod (222);
the first propeller assembly (3) comprises a first spiral rotating disc (31), four rotating disc pull rods (32), two pitch pull rods (33) and two first propeller frames (34); the first spiral rotating disc (31) is sleeved on the driving rotating disc (23); four first spiral hinge rods (311) are arranged on the outer ring of the first spiral rotating disc (31) in a circumferential regular manner; the bottom end of each rotating disc pull rod (32) is hinged on the outer end of the first spiral hinge rod (311); four second spiral hinge rods (312) are arranged on the outer ring of the first spiral rotating disc (31) in a circumferential regular manner; the bottoms of the two pitch pull rods (33) are respectively hinged with the outer ends of the second spiral hinged rods (312) at the front side and the rear side; the outer ends of the second spiral hinged rods (312) on the left side and the right side are respectively hinged with a first steering hinged rod (313) and a second steering hinged rod (314); the first steering hinged rod (313) is hinged to the bottom of the rear side of the lower propeller sleeve (5) through a first steering matching rod (315); the second steering hinged rod (314) is hinged to the bottom of the front side of the lower propeller sleeve (5) through a second steering matching rod (316); the two first propeller brackets (34) are respectively hinged at the left side and the right side of the middle part of the lower propeller sleeve (5); a first propeller bracket rocker arm (341) is arranged at the rear part of the left first propeller bracket (34); the right end of the first paddle frame rocker arm (341) is hinged with the top of a pitch pull rod (33); a second propeller bracket rocker arm (342) is arranged at the front part of the right first propeller bracket (34); the left end of the second oar frame rocker arm (342) is hinged with the top of the other pitch pull rod (33);
the second propeller assembly (4) comprises a second spiral rotating disc (41), two upward moving pull rods (42), a third steering hinged rod (43) and a fourth steering hinged rod (44); the upper part of the inner shaft (101) is sleeved with a matching rotating disc (40) through a second fisheye bearing (400); four matching rods (401) are arranged on the outer ring of the matching rotating disc (40) in a circumferential regular manner; the outer ends of the four matching rods (401) are respectively connected with the tops of the four rotating disc pull rods (32); the second spiral rotating disc (41) is sleeved on the matching rotating disc (40); four second spiral hinge rods (411) are arranged on the outer ring of the second spiral rotating disc (41) in a circumferential direction in a regular manner; the included angle between any two adjacent second spiral hinge rods (411) is 90 degrees; the bottoms of the two upward moving pull rods (42) are respectively hinged with second spiral hinge rods (411) on the front side and the rear side; the third steering hinged rod (43) and the fourth steering hinged rod (44) are respectively hinged on the second spiral hinged rods (411) on the left side and the right side; the third steering hinged rod (43) is hinged to the bottom of the front side of the upper propeller sleeve (6) through a third steering matching rod (431); the fourth steering hinged rod (44) is hinged to the bottom of the rear side of the upper propeller sleeve (6) through a fourth steering matching rod (441); the front side and the rear side of the top of the reversing rod (102) are respectively hinged with a reversing hinged rod (103); the tops of the two upward moving pull rods (42) are respectively hinged with the outer ends of the two reversing hinged rods (103);
the left side and the right side of the top of the upper propeller sleeve (6) are respectively connected with a second propeller rack (45); a third propeller bracket rocker arm (451) is arranged at the front part of the left second propeller bracket (45); a first upward moving hinged pull rod (452) is connected between the right end of the third paddle frame rocker arm (451) and the middle part of the front side reversing hinged rod (103); a fourth propeller bracket rocker arm (453) is arranged at the rear part of the right second propeller bracket (45); a second upward moving hinged pull rod (454) is connected between the fourth paddle frame rocker arm (453) and the middle part of the rear side reversing hinged rod (103);
the driving method of the driving mechanism sequentially comprises the following steps: three steering engines (22) in the driving assembly (2) respectively drive the connecting arms (231) to swing so as to drive the rotating disc (23) to swing on the main shaft (1); the first spiral rotating disc (31) is driven to swing by driving the rotating disc (23), so that the first steering hinged rod (313) and the second steering hinged rod (314) drive the first spiral rotating disc (31) to rotate clockwise, and the two first propeller brackets (34) are driven to rotate clockwise by the pitch pull rod (33) and the lower propeller sleeve (5); drive rolling disc pull rod (32) through first spiral rolling disc (31) and rotate to drive cooperation rolling disc (40) and rotate clockwise in interior axle (101), turn to articulated rod (43) and fourth and turn to articulated rod (44) reverse setting through the third and drive second spiral rolling disc (41) anticlockwise rotation, thereby drive propeller sleeve (6) and shift up pull rod (42) and drive two second propeller frames (45) anticlockwise rotations.
2. The propeller driving mechanism for a toy unmanned aerial vehicle according to claim 1, wherein the left and right sides of the top of the lower propeller sleeve (5) are provided with propeller sleeve hinge rods (51); the outer ends of the two paddle sleeve hinged rods (51) are connected with paddle sleeve matching rods (52); the upper ends of the two paddle sleeve matching rods (52) are respectively hinged on the left side and the right side of the matching rotating disc (40).
3. A propeller driving mechanism for a toy unmanned aerial vehicle according to claim 1, wherein the number of the connecting arms (231) is three, and an included angle between any two adjacent connecting arms (231) is 120 °.
4. The propeller drive mechanism for a toy drone according to claim 1, characterised in that the angle between any two adjacent first helical hinge rods (311) is 90 °; each second spiral hinge rod (312) is positioned at the center of two adjacent first spiral hinge rods (311).
5. The propeller drive mechanism for a toy drone according to claim 1, characterised in that the first propeller support (34) and the second propeller support (45) are provided with propeller blade grooves (340); the propeller blade groove (340) is provided with blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739743.3A CN110448922B (en) | 2019-08-12 | 2019-08-12 | Screw driving mechanism for toy unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739743.3A CN110448922B (en) | 2019-08-12 | 2019-08-12 | Screw driving mechanism for toy unmanned aerial vehicle |
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| Publication Number | Publication Date |
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| CN110448922A CN110448922A (en) | 2019-11-15 |
| CN110448922B true CN110448922B (en) | 2022-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910739743.3A Active CN110448922B (en) | 2019-08-12 | 2019-08-12 | Screw driving mechanism for toy unmanned aerial vehicle |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480531A (en) * | 2008-11-14 | 2009-07-15 | 罗之洪 | Rotor mechanism of single-rotor toy helicopter |
| CN108261780A (en) * | 2016-12-31 | 2018-07-10 | 许美兰 | Toy airplane with plurality of flight |
| CN109091893A (en) * | 2017-06-20 | 2018-12-28 | 马铿贵 | Highly sensitive aerial toy deflecting system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5014301B2 (en) * | 2008-10-03 | 2012-08-29 | 株式会社シー・シー・ピー | Center of gravity adjustment device |
| CN204568061U (en) * | 2015-03-05 | 2015-08-19 | 葛讯 | A kind of coaxial high speed directly drives helicopter |
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2019
- 2019-08-12 CN CN201910739743.3A patent/CN110448922B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480531A (en) * | 2008-11-14 | 2009-07-15 | 罗之洪 | Rotor mechanism of single-rotor toy helicopter |
| CN108261780A (en) * | 2016-12-31 | 2018-07-10 | 许美兰 | Toy airplane with plurality of flight |
| CN109091893A (en) * | 2017-06-20 | 2018-12-28 | 马铿贵 | Highly sensitive aerial toy deflecting system |
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| CN110448922A (en) | 2019-11-15 |
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Effective date of registration: 20221104 Address after: 515000 north side of the first floor of Jieyang Road (area 11 of Jinyuan Industrial City), Jinping District, Shantou City, Guangdong Province Patentee after: Shantou xinpulis Toys Co.,Ltd. Address before: 315400 1-12, No. 595, Siming West Road, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Lin Qinxin |
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