CN216443788U

CN216443788U - Flapping wing mechanism of bionic mechanical bird

Info

Publication number: CN216443788U
Application number: CN202122682121.7U
Authority: CN
Inventors: 李阳; 雷一腾
Original assignee: Ili Normal University
Current assignee: Ili Normal University
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-06
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a flapping wing mechanism of a bionic mechanical bird, which comprises a base, wherein the upper end of the base is fixedly connected with two mounting plates, the upper ends of the two mounting plates are respectively provided with a groove, the upper end of the base is fixedly connected with a guide rod, the rod wall of the guide rod is sleeved with a sleeve, the pipe wall of the sleeve is rotatably connected with two adjustable pull rods through a rotating shaft, one ends of the two adjustable pull rods, far away from the sleeve, are respectively rotatably connected with a swing arm through the rotating shaft, one ends of the swing arms are rotatably connected with two opposite sides of the grooves through shaft pins, one opposite sides of the two mounting plates are fixedly connected with a cross rod together, and the rod wall of the cross rod is provided with a transmission mechanism. The bionic mechanical bird flapping wing mechanism can effectively reduce the inertia force of the bionic mechanical bird flapping wing mechanism during movement, improve the stability of the mechanical bird during flying, and simultaneously adjust the swing amplitude of the flapping wing mechanism according to the difference of wings of the mechanical bird.

Description

Flapping wing mechanism of bionic mechanical bird

Technical Field

The utility model relates to the technical field of bionic mechanical birds, in particular to a flapping wing mechanism of a bionic mechanical bird.

Background

In some fields, such as field scientific research, rescue, exploration and military fields, small flying devices are often needed to transmit information or small articles, the traditional flying devices are mostly propeller type, the flying devices have the problems of limited lifting force, complex structure and high cost, and are very easy to find as a typical artificial flying device when being used for special exploration or reconnaissance, along with the production and living needs, the bionic mechanical bird is taken as an aircraft which is exactly like birds in appearance, not only can fly, but also can swing wings to simulate bird actions, the appearance is vivid, generally, the bionic mechanical bird comprises a body and a flapping wing mechanism, and the flapping wing mechanism simulates the flapping of the wings of the birds to realize flying,

at present, although the flapping wing mechanism of the bionic mechanical bird can simulate the flaring of wings of birds to realize flight, the wings of the bionic mechanical bird can generate larger inertia when swinging up and down, and the inertia force can make the body of the mechanical bird sway, thereby influencing the stability of the mechanical bird when flying.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, when a flapping wing mechanism drives wings to swing up and down, larger inertia is generated, and the body of a mechanical bird can shake due to the inertia force, so that the flying stability of the mechanical bird is influenced, and provides the flapping wing mechanism of the bionic mechanical bird.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a bionical mechanical bird's flapping wing mechanism, includes the base, two mounting panels of the upper end fixedly connected with of base, two the upper end of mounting panel is all seted up flutedly, the upper end fixedly connected with guide bar of base, the sleeve pipe has been cup jointed on the pole wall of guide bar, it is connected with two adjustable pull rods, two to rotate through the pivot on the sheathed tube pipe wall adjustable pull rod keeps away from sheathed tube one end and all is connected with the swing arm through rotation axis rotation, the one end of swing arm is passed through the pivot and is rotated with the both sides that the recess is relative and be connected, two the common fixedly connected with horizontal pole of one side that the mounting panel is relative, be equipped with drive mechanism on the pole wall of horizontal pole.

Preferably, drive mechanism includes casing and carousel, one side and the sheathed tube pipe wall fixed connection of casing, the casing has cup jointed the rectangle pole through the rectangle through-hole, the lower extreme fixedly connected with rectangle frame of rectangle pole, the pin has cup jointed in the rectangle frame, one side of pin and the lateral wall fixed connection of carousel, fixedly connected with motor on the pole wall of horizontal pole, the output of motor run through the pole wall of horizontal pole and with one side coaxial fixed connection of carousel.

Preferably, a circular plate is sleeved in the shell, the center of the circular plate is fixedly connected with the rod wall of the rectangular rod, the upper end and the lower end of the circular plate are fixedly connected with springs, and the two opposite ends of the springs are fixedly connected with the inner walls of the upper end and the lower end of the shell respectively.

Preferably, sliding sleeves are fixedly connected to two ends of the rectangular frame, orientation rods are sleeved in the sliding sleeves, and the lower ends of the orientation rods are fixedly connected with the upper end of the base.

Preferably, the adjustable pull rod comprises two internal thread pipes, a common thread between the two internal thread pipes is connected with a bidirectional screw rod, and a hexagonal nut is in threaded connection with the rod wall of the bidirectional screw rod.

Compared with the prior art, the utility model provides the flapping wing mechanism of the bionic mechanical bird, which has the following beneficial effects:

1. this flapping wing mechanism of bionic mechanical bird can realize the reciprocal swing of swing arm through the motor that is equipped with, the carousel, the pivot, the rectangle frame, the rectangle pole, the plectane, the spring, the casing, sleeve pipe and adjustable pull rod, and then realize the flapping wing action of mechanical bird, and simultaneously, slip cup joints between rectangle pole and the casing, and can only realize the transmission through the spring, consequently, the inertial force that produces when drive mechanism moves can be absorbed the buffering by the spring, and then the inertia that produces when having reduced drive mechanism moves, stability when having improved the flight of mechanical bird.

2. This flapping wing mechanism of bionic mechanical bird can realize the length of the adjustable pull rod of quick adjustment through the two-way lead screw, internal thread pipe and the hexagon nut that are equipped with, changes the amplitude of oscillation of swing arm to can adjust the amplitude of oscillation of flapping wing mechanism according to the difference of mechanical bird wing.

The utility model can effectively reduce the inertia force of the bionic mechanical bird flapping wing mechanism during movement, improve the flying stability of the mechanical bird, and simultaneously adjust the swing amplitude of the flapping wing mechanism according to the difference of the wings of the mechanical bird.

Drawings

FIG. 1 is a schematic structural view of a flapping wing mechanism of a bionic mechanical bird according to the present invention;

FIG. 2 is a schematic structural diagram of a transmission mechanism in an flapping wing mechanism of a bionic mechanical bird according to the present invention;

FIG. 3 is a schematic structural view of an adjustable pull rod in a flapping wing mechanism of a bionic mechanical bird according to the present invention;

fig. 4 is a schematic view of an internal structure of a shell in a flapping wing mechanism of a bionic mechanical bird according to the present invention.

In the figure: 1. a base; 2. mounting a plate; 3. swinging arms; 4. an adjustable pull rod; 5. a motor; 6. a rectangular bar; 7. a guide bar; 8. a sleeve; 9. a housing; 10. a turntable; 11. a sliding sleeve; 12. an orientation bar; 13. a rectangular frame; 14. a pin; 15. a cross bar; 16. a circular plate; 17. a spring; 18. an internally threaded tube; 19. a hexagonal nut; 20. two-way lead screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a flapping wing mechanism of a bionic mechanical bird comprises a base 1, two mounting plates 2 are fixedly connected with the upper end of the base 1, grooves are respectively arranged on the upper ends of the two mounting plates 2, a guide rod 7 is fixedly connected with the upper end of the base 1, a sleeve 8 is sleeved on the rod wall of the guide rod 7, two adjustable pull rods 4 are rotatably connected on the pipe wall of the sleeve 8 through a rotating shaft, adjustable pull rod 4 includes two internal thread pipes 18, common threaded connection has two-way lead screw 20 between two internal thread pipes 18, threaded connection has hexagon nut 19 on two-way lead screw 20's the pole wall, the one end that sleeve pipe 8 was kept away from to two adjustable pull rod 4 all is connected with swing arm 3 through rotation of the rotation axis, the one end of swing arm 3 is passed through the pivot and is connected with the both sides rotation that the recess is relative, the common fixedly connected with horizontal pole 15 in the relative one side of two mounting panels 2, be equipped with drive mechanism on the pole wall of horizontal pole 15.

The transmission mechanism comprises a shell 9 and a rotary table 10, one side of the shell 9 is fixedly connected with the pipe wall of a sleeve 8, the shell 9 is sleeved with a rectangular rod 6 through a rectangular through hole, a circular plate 16 is sleeved in the shell 9, the center of the circular plate 16 is fixedly connected with the rod wall of the rectangular rod 6, springs 17 are fixedly connected to the upper end and the lower end of the circular plate 16, one ends, opposite to the two springs 17, are fixedly connected with the inner walls of the upper end and the lower end of the shell 9 respectively, a rectangular frame 13 is fixedly connected to the lower end of the rectangular rod 6, sliding sleeves 11 are fixedly connected to the two ends of the rectangular frame 13, a directional rod 12 is sleeved in each of the two sliding sleeves 11, the lower end of the directional rod 12 is fixedly connected with the upper end of the base 1, a pin 14 is sleeved in the rectangular frame 13, one side of the pin 14 is fixedly connected with the side wall of the rotary table 10, a motor 5 is fixedly connected to the rod wall of the transverse rod 15, and the output end of the motor 5 penetrates through the rod wall of the transverse rod 15 and is fixedly connected with one side of the rotary table 10.

When the utility model is used, the base 1 is fixedly arranged on the machine body of a mechanical bird, the motor 5 is started to drive the turntable 10 to enable the shaft pin 14 to do circular motion, the shaft pin 14 pushes the rectangular frame 13 to ascend when moving from the lower dead point to the upper dead point, the rectangular frame 13 drives the rectangular rod 6 to enable the circular plate 16 to move when ascending, the circular plate 16 drives the spring 17 to enable the shell 9 to move when moving, the shell 9 moves to drive the sleeve 8 to enable the adjustable pull rod 4 to bear force, the adjustable pull rod 4 drives the swing arm 3 to swing around the shaft pin to the upper dead point when bearing force is exerted, the swing arm 3 also swings to the lower dead point when the shaft pin 14 moves from the upper dead point to the lower dead point, thereby realizing flapping of the mechanical bird, and when the rectangular rod 6 and the swing arm 3 in the transmission mechanism are switched between the lower dead point and the lower dead point, because the rotating speed of the motor 5 is constant, and the rectangular rod 6 is in sliding sleeve joint with the shell 9, the rectangular rod 6 and the shell 9 realize transmission through the spring 17, therefore, the inertia acting force generated when the transmission mechanism moves can be absorbed and buffered by the spring 17, thereby reducing the inertia generated when the transmission mechanism moves and improving the flying stability of the mechanical bird, in addition, the bidirectional screw rod 20 is rotated by the wrench, the bidirectional screw rod 20 rotates in the two internal thread pipes 18 simultaneously when rotating, so that the distance between the two internal thread tubes 18 can be rapidly adjusted by using the bidirectional screw rod 20, thereby realizing the adjustment of the length of the adjustable pull rod 4 and the change of the swing amplitude of the swing arm 3, further adjusting the swing amplitude of the flapping wing mechanism according to the difference of the wings of the mechanical bird, and after adjustment, the hexagonal nut 19 is reversely tightened by a wrench, the hexagonal nut 19 contacts the internally threaded tube 18 while moving on the bidirectional screw rod 20, and then can play the effect of fixing a position two-way lead screw 20, avoid two-way lead screw 20 to take place the rotation in the use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A flapping wing mechanism of a bionic mechanical bird comprises a base (1) and is characterized in that, the upper end of the base (1) is fixedly connected with two mounting plates (2), the upper ends of the two mounting plates (2) are respectively provided with a groove, the upper end of the base (1) is fixedly connected with a guide rod (7), the rod wall of the guide rod (7) is sleeved with a sleeve (8), the pipe wall of the sleeve (8) is rotationally connected with two adjustable pull rods (4) through a rotating shaft, one ends of the two adjustable pull rods (4) far away from the sleeve (8) are rotationally connected with a swing arm (3) through a rotating shaft, one end of the swing arm (3) is rotatably connected with two opposite sides of the groove through a shaft pin, a cross rod (15) is fixedly connected to one opposite side of the mounting plate (2), and a transmission mechanism is arranged on the rod wall of the cross rod (15).

2. The flapping wing mechanism of the bionic mechanical bird of claim 1, wherein the transmission mechanism comprises a shell (9) and a rotating disc (10), one side of the shell (9) is fixedly connected with the pipe wall of a sleeve (8), the shell (9) is sleeved with a rectangular rod (6) through a rectangular through hole, the lower end of the rectangular rod (6) is fixedly connected with a rectangular frame (13), a pin (14) is sleeved in the rectangular frame (13), one side of the pin (14) is fixedly connected with the side wall of the rotating disc (10), a motor (5) is fixedly connected with the rod wall of the cross rod (15), and the output end of the motor (5) penetrates through the rod wall of the cross rod (15) and is fixedly connected with one side of the rotating disc (10) in the same axle center.

3. The flapping wing mechanism of the bionic mechanical bird of claim 2, wherein a circular plate (16) is sleeved in the housing (9), the center of the circular plate (16) is fixedly connected with the rod wall of the rectangular rod (6), the upper end and the lower end of the circular plate (16) are both fixedly connected with springs (17), and the opposite ends of the two springs (17) are respectively fixedly connected with the inner walls of the upper end and the lower end of the housing (9).

4. The flapping wing mechanism of the bionic mechanical bird of claim 2, wherein both ends of the rectangular frame (13) are fixedly connected with sliding sleeves (11), two directional rods (12) are sleeved in the two sliding sleeves (11), and the lower ends of the directional rods (12) are fixedly connected with the upper end of the base (1).

5. The flapping wing mechanism of the bionic mechanical bird of claim 1, wherein the adjustable pull rod (4) comprises two internal threaded tubes (18), a bidirectional screw rod (20) is commonly and threadedly connected between the two internal threaded tubes (18), and a hexagonal nut (19) is threadedly connected to the rod wall of the bidirectional screw rod (20).