A chain and gear driven four-bar linkage bionic bird

Abstract

The present application relates to the technical field of bionic bird, in particular to a chain and gear transmission four-bar linkage mechanism bionic bird, which comprises a wing linkage mechanism for providing bionic action of the bionic bird's wings; a mouth opening and closing mechanism for providing bionic action of the bionic bird's mouth; a leg movement mechanism for providing bionic action of the bionic bird's legs; a trunk linkage mechanism for transmitting power for the operation of the mouth opening and closing mechanism and the leg movement mechanism; and a gear transmission mechanism for transmitting power for the operation of the wing linkage mechanism. The bionic bird, through the cooperation of the wing linkage mechanism, the mouth opening and closing mechanism and the leg movement mechanism, can realize multiple bionic actions such as wing flapping, mouth opening and leg kicking, thereby solving the problem of single action of the current amusement bionic bird, making the bionic bird's action more flexible and greatly improving the ornamental property.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bionic birds, in particular to a chain and gear transmission four-bar linkage mechanism bionic bird. BACKGROUND

[0002] Biological functions are much superior to any man-made machines so far, bionics is a discipline that aims to realize and effectively apply biological functions in engineering, bionics is a scientific method of building technical systems by imitating the functions and behaviors of biological systems, which breaks the boundaries between biology and machines and communicates various systems. The main research topics of bionic mechanical science include anthropomorphic manipulators, walking machines, prostheses, and various machines that imitate birds, insects, and fish.

[0003] At present, the bionic mechanical bird structure used in the amusement industry is relatively simple, the movement is not flexible enough, and the ornamental property is poor. For example, the open number CN215098251U discloses a chain and gear transmission four-bar linkage mechanism bionic bird flapping wing structure, which can realize the flapping wing action of the bionic bird. Another open number CN218332956U discloses a bird tail bionic structure, which can realize the movement of the bionic bird tail. However, such bionic birds can only support individual structure bionic action, and overall flexibility is poor, and cannot realize the bionic action of multiple parts of birds, and the ornamental property is insufficient. In view of this, we propose a chain and gear transmission four-bar linkage mechanism bionic bird. SUMMARY

[0004] The purpose of the present application is to provide a chain and gear transmission four-bar linkage mechanism bionic bird, which solves the problems of single action and poor flexibility of the current bionic bird.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A chain and gear transmission four-bar linkage mechanism bionic bird, comprising a wing linkage mechanism for providing bionic action of the wings of the bionic bird; a mouth opening and closing mechanism for providing bionic action of the mouth of the bionic bird; a leg movement mechanism for providing bionic action of the legs of the bionic bird; a trunk linkage mechanism for transmitting power for the operation of the mouth opening and closing mechanism and the leg movement mechanism; and a gear transmission mechanism for transmitting power for the operation of the wing linkage mechanism.

[0007] Further, it further comprises: a reduction motor; and a sprocket transmission mechanism, the power input end of the sprocket transmission mechanism is connected with the output shaft of the reduction motor, the power output end of the sprocket transmission mechanism is connected with the power input end of the gear transmission mechanism, for transmitting the torque of the reduction motor.

[0008] Further, a mounting frame is further included for supporting the speed reducer, the chain wheel transmission mechanism, the gear transmission mechanism, the wing linkage mechanism, the mouth opening and closing mechanism, the leg movement mechanism and the trunk linkage mechanism.

[0009] Further, a cover body is further included for covering the gear transmission mechanism, the wing linkage mechanism, the mouth opening and closing mechanism, the leg movement mechanism and the trunk linkage mechanism.

[0010] Further, the chain wheel transmission mechanism includes a first chain wheel, an output shaft of the speed reducer is connected to an axis of the first chain wheel, the first chain wheel is driven by a second chain wheel through a chain, and a transition shaft is fixedly installed at an axis of the second chain wheel.

[0011] Further, the gear transmission mechanism includes a first gear, the first gear is fixedly installed on the transition shaft, a second gear is engaged with a surface of the first gear, a transmission shaft is fixedly installed at an axis of the second gear, a first rotating arm is fixedly installed on the transmission shaft, and a second rotating arm is hingedly connected to the first rotating arm.

[0012] Further, the wing linkage mechanism includes a first swing frame, one end of the first swing frame is rotationally connected to the second rotating arm, a second swing frame is rotationally connected to another end of the first swing frame, a connecting rod is rotationally connected to the second swing frame, and one end of the connecting rod is rotationally connected to the second rotating arm.

[0013] Further, the trunk linkage mechanism includes a main trunk, a folding rod is rotationally installed on the main trunk, a movable arm is movably connected to one end of the folding rod, a transmission plate is rotationally connected to one end of the movable arm, and the transmission plate is rotationally installed on the transition shaft.

[0014] Further, the mouth opening and closing mechanism includes a first hinged plate, the first hinged plate is rotationally installed on the main trunk, an upper beak is fixedly connected to the first hinged plate, a second hinged plate is fixedly connected to the upper beak, a linkage plate is rotationally connected to the second hinged plate, one end of the linkage plate is rotationally connected to the folding rod, and a lower beak is fixedly connected to the linkage plate.

[0015] Further, the leg movement mechanism includes a connecting disc, the connecting disc is rotationally connected to the main trunk, the connecting disc is movably connected to the folding rod, and a supporting leg is fixedly connected to the connecting disc.

[0016] By the technical scheme, the application provides a four-link mechanism bionic bird driven by chain and gear, which has the beneficial effects that: the bionic bird can realize multiple bionic actions such as fan wing movement, mouth opening and closing movement and leg kicking movement by the cooperation of the wing link mechanism, the mouth opening and closing mechanism and the leg movement mechanism, solves the problem of single action of the current amusement bionic bird, makes the action of the bionic bird more flexible and greatly improves the ornamental property. The wing link mechanism makes the fan wing movement natural and soft, integrates the artistic features of the covering member, is visually beautiful and has better bionic effect. The overall mechanism has stable movement, compact structure and small occupied space, and is beneficial to popularization and generalization. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this application, illustrate embodiments of the application.

[0018] Figure 1 Fig. 1 is a schematic view of the overall structure of the application;

[0019] Figure 2 Fig. 2 is a schematic view of the chain wheel driving mechanism in the application;

[0020] Figure 3 Fig. 3 is a schematic view of the overall structure of the application;

[0021] Figure 4 Fig. 4 is a schematic view of the covering member body in the application.

[0022] In the drawings: 1, a speed reducer motor; 2, a chain wheel driving mechanism; 21, a first chain wheel; 22, a transition shaft; 3, a gear driving mechanism; 31, a first gear; 32, a second gear; 33, a driving shaft; 34, a first rotating arm; 35, a second rotating arm; 4, a wing link mechanism; 41, a first swing frame; 42, a second swing frame; 43, a connecting rod; 5, a mouth opening and closing mechanism; 51, a first hinged plate; 52, an upper beak; 53, a second hinged plate; 54, a linkage plate; 55, a lower beak; 6, a leg movement mechanism; 61, a supporting leg; 62, a connecting disc; 7, a covering member body; 8, a mounting frame; 9, a trunk link mechanism; 91, a main trunk; 92, a movable arm; 93, a driving plate; 94, a folding rod; 941, a clearance slot. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0024] It should be noted that all the direction indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the direction indications will also change accordingly.

[0025] In addition, the description involving "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0026] The bionic mechanical bird used in the amusement industry has certain ornamental nature, however, the current bionic bird can only support bionic action of individual structure, and the overall flexibility is poor, and various bionic actions of bird structure cannot be realized, and the ornamental nature is insufficient.

[0027] Therefore, referring to Figures 1-4 , the present application provides a chain and gear transmission four-bar linkage bionic bird, which can provide various bionic actions of birds at the same time, so that the bionic bird is more flexible and has more ornamental nature.

[0028] The bionic bird comprises a wing linkage mechanism 4 for providing bionic action of the wings of the bionic bird, the number of the wing linkage mechanism 4 is two, the two bionic wings can move synchronously, so that the flapping wing movement is more realistic; a mouth opening and closing mechanism 5 for providing bionic action of the mouth of the bionic bird; a leg movement mechanism 6 for providing bionic action of the legs of the bionic bird; a trunk linkage mechanism 9 for transmitting power for the operation of the mouth opening and closing mechanism 5 and the leg movement mechanism 6; and a gear transmission mechanism 3 for transmitting power for the operation of the wing linkage mechanism 4. The fan wing movement, leg kicking movement and mouth opening movement of the bionic bird can be performed at the same time, the bionic action is more flexible and diverse, and the ornamental nature is greatly improved.

[0029] In the embodiment, the bionic bird further comprises a reduction motor 1; and a sprocket transmission mechanism 2, the power input end of the sprocket transmission mechanism 2 is connected with the output shaft of the reduction motor 1, the power output end of the sprocket transmission mechanism 2 is connected with the power input end of the gear transmission mechanism 3, and is used for transmitting the torque of the reduction motor 1.

[0030] Further, the bionic bird further comprises a mounting rack 8 for supporting the speed reducer 1, the chain wheel transmission mechanism 2, the gear transmission mechanism 3, the wing linkage mechanism 4, the mouth opening and closing mechanism 5, the leg moving mechanism 6 and the trunk linkage mechanism 9. The whole chain and gear transmission four-bar linkage bionic bird mechanism of the application can be mounted on the beam of a playground or the like for suspension and fixation.

[0031] Further, the bionic bird further comprises a covering body 7 for covering the gear transmission mechanism 3, the wing linkage mechanism 4, the mouth opening and closing mechanism 5, the leg moving mechanism 6 and the trunk linkage mechanism 9. The covering body 7 is colorful feather, which can improve the reality and beauty of the bionic bird. Colorful lamps are mounted on the covering body 7 to improve the ornamental effect of the bionic bird at night.

[0032] In the embodiment, the chain wheel transmission mechanism 2 comprises a first chain wheel 21, the axis of the first chain wheel 21 is connected with the output shaft of the speed reducer 1, the first chain wheel 21 is driven by a second chain wheel through a chain, and the axis of the second chain wheel is fixedly provided with a transition shaft 22. The chain wheel and the chain are used in cooperation, which can improve the transmission distance and facilitate the installation of the speed reducer 1. The speed reducer 1 is powered by the playground to realize power output.

[0033] Further, the gear transmission mechanism 3 comprises a first gear 31, the first gear 31 is fixedly provided on the transition shaft 22, the surface of the first gear 31 is engaged with a second gear 32, the diameter of the second gear 32 is greater than that of the first gear 31 to achieve the purpose of speed reduction. The axis of the second gear 32 is fixedly provided with a transmission shaft 33, the transmission shaft 33 is fixedly provided with a first rotating arm 34, and the first rotating arm 34 is hingedly provided with a second rotating arm 35. The second rotating arm 35 can be connected with other structures for power transmission.

[0034] Further, the wing linkage mechanism 4 comprises a first swing rack 41, one end of the first swing rack 41 is rotationally connected with the second rotating arm 35, the other end of the first swing rack 41 is rotationally connected with a second swing rack 42, the second swing rack 42 is rotationally connected with a connecting rod 43, and one end of the connecting rod 43 is rotationally connected with the second rotating arm 35. The first swing rack 41 and the second swing rack 42 constitute a bionic wing. When the transmission shaft 33 rotates, the first rotating arm 34 can be driven to rotate synchronously, the first rotating arm 34 drives the first swing rack 41 and the connecting rod 43 to swing through the second rotating arm 35, the other end of the connecting rod 43 drives the second swing rack 42 to swing, the swing amplitudes of the first swing rack 41 and the second swing rack 42 are different, and the bionic effect is more realistic.

[0035] It is worth noting that the trunk linkage 9 comprises a main trunk 91, a folding rod 94 is rotatably installed on the main trunk 91, one end of the folding rod 94 is movably connected with an active arm 92, one end of the active arm 92 is rotatably connected with a transmission plate 93, and the transmission plate 93 is rotatably installed on the transition shaft 22. When the transition shaft 22 rotates, the transmission plate 93 can be synchronously driven to rotate, the transmission plate 93 drives the folding rod 94 to swing around the rotation connection point between the folding rod 94 and the main trunk 91 through the active arm 92, and the folding rod 94 is provided with a clearance slot 941 to avoid movement interference between the folding rod 94 and the active arm 92.

[0036] It is worth noting that the trunk linkage 9 comprises a main trunk 91, a folding rod 94 is rotatably installed on the main trunk 91, one end of the folding rod 94 is movably connected with an active arm 92, one end of the active arm 92 is rotatably connected with a transmission plate 93, and the transmission plate 93 is rotatably installed on the transition shaft 22. When the transition shaft 22 rotates, the transmission plate 93 can be synchronously driven to rotate, the transmission plate 93 drives the folding rod 94 to swing around the rotation connection point between the folding rod 94 and the main trunk 91 through the active arm 92, and the folding rod 94 is provided with a clearance slot 941 to avoid movement interference between the folding rod 94 and the active arm 92.

[0037] In addition, the leg movement mechanism 6 comprises a connecting disc 62, the connecting disc 62 is rotatably connected with the main trunk 91, the connecting disc 62 is movably connected with the folding rod 94, and the connecting disc 62 is fixedly connected with a supporting leg 61. Specifically, a convex rod is fixedly connected on the folding rod 94, a clearance slot for preventing movement interference is formed on the connecting disc 62, when the folding rod 94 swings, the convex rod can drive the connecting disc 62 to rotate, and then drive the supporting leg 61 to move, so as to realize the leg kicking movement.

[0038] The bionic bird of the present application is hung and fixed by the mounting frame 8 when in use, and the reduction motor 1 is connected with the power supply of the amusement park. When the reduction motor 1 operates, the output shaft of the motor drives the first sprocket 21 to rotate, the first sprocket 21 drives the second sprocket to rotate through the chain transmission, and the second sprocket drives the transition shaft 22 at the shaft center to rotate. On the one hand, the transition shaft 22 drives the first gear 31 to rotate, the first gear 31 drives the second gear 32 to rotate through meshing, the second gear 32 drives the transmission shaft 33 at the shaft center to rotate, when the transmission shaft 33 rotates, it can drive the first rotating arm 34 to rotate synchronously, the first rotating arm 34 drives the first swing frame 41 and the connecting rod 43 to swing through the second rotating arm 35, the other end of the connecting rod 43 drives the second swing frame 42 to swing, so that the swing amplitudes of the first swing frame 41 and the second swing frame 42 are different, and the bionic effect is more realistic. On the other hand, the transition shaft 22 can drive the transmission plate 93 to rotate synchronously, the transmission plate 93 drives the folding rod 94 through the movable arm 92 to swing around the rotating connection point between the folding rod 94 and the main trunk 91. When the folding rod 94 swings, the second hinged plate 53 can be driven to swing through the linkage plate 54, so that the upper beak 52 and the lower beak 55 perform the opening and closing movement, and the bionic action of the mouth of the bionic bird is realized. In addition, when the folding rod 94 swings, the connecting disc 62 can be driven to rotate through the convex rod, and then the supporting leg 61 is driven to move, and the leg lifting movement is realized.

[0039] The above description is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made under the inventive concept of the present application, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A biomimetic bird-like four-bar linkage mechanism with chain and gear transmission, characterized in that, include: Wing linkage mechanism (4) is used to provide the bionic movement of the wings of the bionic bird; The beak opening and closing mechanism (5) is used to provide the beak bionic movements of the bionic bird; Leg movement mechanism (6) is used to provide bionic leg movements of the bionic bird; A torso linkage (9) is used to transmit power for the operation of the mouth opening and closing mechanism (5) and the leg movement mechanism (6); and Gear transmission mechanism (3) is used to transmit power for the operation of the wing linkage mechanism (4); Gear motor (1); And a sprocket drive mechanism (2), the power input end of the sprocket drive mechanism (2) is connected to the output shaft of the geared motor (1), and the power output end of the sprocket drive mechanism (2) is connected to the power input end of the gear drive mechanism (3) to transmit the torque of the geared motor (1); The sprocket transmission mechanism (2) includes a first sprocket (21), the shaft of the first sprocket (21) is connected to the output shaft of the geared motor (1), the first sprocket (21) is driven by a chain to a second sprocket, and a transition shaft (22) is fixedly installed at the shaft of the second sprocket; The gear transmission mechanism (3) includes a first gear (31), which is fixedly mounted on the transition shaft (22). A second gear (32) meshes with the surface of the first gear (31). A transmission shaft (33) is fixedly mounted at the center of the second gear (32). A first rotating arm (34) is fixedly mounted on the transmission shaft (33). A second rotating arm (35) is hinged to the first rotating arm (34). The wing linkage mechanism (4) includes a first swing frame (41), one end of the first swing frame (41) is rotatably connected to the second rotating arm (35), the other end of the first swing frame (41) is rotatably connected to a second swing frame (42), a connecting rod (43) is rotatably connected to the second swing frame (42), and one end of the connecting rod (43) is rotatably connected to the second rotating arm (35); The trunk linkage mechanism (9) includes a main trunk (91), on which a folding rod (94) is rotatably mounted. One end of the folding rod (94) is movably connected to a movable arm (92), and one end of the movable arm (92) is rotatably connected to a transmission plate (93). The transmission plate (93) is rotatably mounted on the transition shaft (22). The mouth opening and closing mechanism (5) includes a first hinge plate (51), which is rotatably mounted on the main body (91). An upper beak (52) is fixedly connected to the first hinge plate (51), and a second hinge plate (53) is fixedly connected to the upper beak (52). A linkage plate (54) is rotatably connected to the second hinge plate (53), and one end of the linkage plate (54) is rotatably connected to the folding rod (94). A lower beak (55) is fixedly connected to the linkage plate (54). The leg movement mechanism (6) includes a connecting plate (62), which is rotatably connected to the main body (91) and movably connected to the folding rod (94). A support leg (61) is fixedly connected to the connecting plate (62).

2. The biomimetic bird-like four-bar linkage with chain and gear transmission according to claim 1, characterized in that, It also includes a mounting bracket (8) for supporting the geared motor (1), the sprocket transmission mechanism (2), the gear transmission mechanism (3), the wing linkage mechanism (4), the mouth opening and closing mechanism (5), the leg movement mechanism (6), and the torso linkage mechanism (9).

3. A biomimetic bird-like four-bar linkage with chain and gear transmission according to claim 2, characterized in that, It also includes a cover body (7) for covering the gear transmission mechanism (3), the wing linkage mechanism (4), the mouth opening and closing mechanism (5), the leg movement mechanism (6), and the torso linkage mechanism (9).

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