Bionic frog bouncing device

By designing a bionic frog bounce device that coordinates movement, the coordinated movement of the articular rod and swing rod of the hind limb assembly and the energy storage mechanism of the coil spring, the existing bionic frog bounce robot is easily entangled by vines when jumping, achieving more efficient bounce performance and stability in field use.

CN222988281UActive Publication Date: 2025-06-17NINGDE NORMAL UNIV
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421795166.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-06-17
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The existing bionic frog bouncing robots move their back foot forward when jumping, which is easy to be entangled by vines, resulting in stuck problems when used in wild scenes.

Method used

A bionic frog bounce device is designed to achieve frog bounce-like movements through the coordinated movement of the transmission assembly, the forelimb assembly and the hind limb assembly. The coordinated movement of the articular rod and the swing rod of the hind limb assembly allows the rear foot to provide bounce force and compress energy storage during transmission through the coil spring between the swing rod and the central axis of the driven wheel to improve bounce performance.

Benefits of technology

Through coordinated movement and energy storage mechanism, the device improves the bounce performance of the frog, avoids the problem of vine winding caused by the hind feet moving forward when jumping, and ensures that it is not easy to get stuck when used in the wild.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222988281U_ABST
    Figure CN222988281U_ABST
Patent Text Reader

Abstract

The utility model relates to a bionic frog bouncing device which comprises an outer shell, a bionic frog bouncing device and a bionic frog bouncing device. The transmission assembly is arranged in the shell and comprises a power part, a driving wheel and a driven wheel, the forelimb assembly comprises a forelimb rod and a front foot, the upper end of the forelimb rod is hinged to the front end of the shell, and the lower end of the forelimb rod is hinged to the front foot; the posterior limb assembly comprises a rear leg, a first rod body, a second rod body, a third rod body, a fourth rod body, a fifth rod body, a sixth rod body, a swing rod and a joint rod, the joint rod comprises a first hinge position, a second hinge position and a third hinge position which are distributed in a triangular mode, and the middle of the swing rod is in transmission connection with a center rotating shaft of the driven wheel; a coil spring is arranged between the oscillating rod and a central rotating shaft of the driven wheel; according to the bionic frog bouncing device, through coordinated movement of the transmission assembly, the forelimb assembly and the hind limb assembly, the action similar to frog bouncing is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of bionic frogs, in particular to a bionic frog bouncing device. Background Technique

[0002] With the development of advanced mechanical design, the movement mechanisms of bionic animals are becoming more refined and efficient, enabling the imitation of complex actions such as walking, running, and even jumping of animals. The development of control technologies, especially the application of artificial intelligence and machine learning, allows bionic animals to make more complex behavioral decisions and adapt to the environment. The development of bionics has promoted the diverse applications of bionic robots. Bionics combines multiple disciplines such as biology, mechanical engineering, and electronic technology, driving interdisciplinary research and innovation. The research and application of bionic animals help us better understand natural ecosystems and also promote the development of sustainable technologies. The structures and functions of animals in nature have been very mature through long-term evolution. By imitating these natural designs, new ideas and inspirations can be provided for mechanical design. By making bionic animals, people can more intuitively understand the lifestyles and ecological roles of animals, thereby enhancing ecological protection awareness.

[0003] The research on bionic frog robots is helpful for environmental exploration tasks, such as search and rescue at disaster sites and environmental monitoring in inaccessible areas. The research on bionic frogs can not only promote the development of robot technology but also contribute to environmental protection and human well-being.

[0004] A Chinese utility model patent with the patent number 202410239202.5 discloses a bionic frog bouncing robot with a linear spring mechanism, including a bionic frog bouncing robot main body. The bionic frog bouncing robot main body includes a fuselage, and a leg structure, a deceleration mechanism, and an automatic reset mechanism connected to the fuselage; the fuselage includes an L-shaped main board and a front board provided at the front end of the L-shaped main board. The front board is bolted to the L-shaped main board through angle aluminum. A number of guide columns are installed on the L-shaped main board, and the number of guide columns is two groups; one end of each guide column is fixedly connected to the L-shaped main board through a nut, and the other end of each guide column is fixedly connected to the front board through a nut, and a first spring is sleeved on each guide column. This patent obtains a large torque to compress the spring to store elastic potential energy through gear reduction and screw rod reduction. However, during the energy storage process, the rear foot needs to slide forward, and it is easy to get stuck in vines when used in the wild scene. Content of the Utility Model

[0005] Therefore, a bionic frog bouncing device is needed to solve the problem that the rear foot is easily entangled by vines when the existing bionic frog bouncing robot jumps forward.

[0006] To achieve the above object, the inventor provides a bionic frog bouncing device, including:

[0007] A housing, which is a hollow shell-like structure;

[0008] A transmission assembly, which is arranged inside the housing. The transmission assembly includes a power member, a driving wheel, and a driven wheel. The power member is fixed on the housing. The driving wheel and the driven wheel are rotatably connected inside the housing. The power member is in transmission connection with the driving wheel, and the driving wheel and the driven wheel are in meshing transmission;

[0009] A front limb assembly, which includes a front limb rod and a front foot. The upper end of the front limb rod is hinged to the front end of the housing, and the lower end of the front limb rod is hinged to the front foot;

[0010] A hind limb assembly, which includes a hind foot, a first rod, a second rod, a third rod, a fourth rod, a fifth rod, a sixth rod, a swing rod, and a joint rod. The joint rod includes a first hinge point, a second hinge point, and a third hinge point that are distributed in a triangle. The middle part of the swing rod is in transmission connection with the central rotating shaft of the driven wheel, and a coil spring is arranged between the swing rod and the central rotating shaft of the driven wheel; The lower end of the first rod is hinged to the hind foot, the upper end of the first rod is hinged to the lower end of the second rod, the upper end of the second rod is hinged to the middle part of the third rod, the middle part of the first rod is hinged to the lower end of the fourth rod, the upper end of the fourth rod is connected to the joint rod, the upper end of the third rod is hinged to the housing, the second hinge point of the joint rod is hinged to the lower end of the third rod, the third hinge point of the joint rod is hinged to the lower end of the fifth rod, the upper end of the fifth rod is hinged to one end of the swing rod, the lower end of the sixth rod is hinged to the first hinge point of the joint rod, and the upper end of the sixth rod is hinged to the other end of the swing rod.

[0011] Further, the second hinge point and the third hinge point of the joint rod are of clip structure. The lower end of the third rod is clamped between the second hinge point, and the lower end of the fifth rod is clamped between the third hinge point.

[0012] Further, the number of the sixth rods is two. The two sixth rods are respectively connected to both sides of the joint rod, and the two sixth rods are respectively connected to both sides of the swing rod.

[0013] Further, the end of the swing rod connected to the fifth rod is of clip structure, and the upper end of the fifth rod is clamped at the clip structure of the swing rod.

[0014] Further, the hinge point of the fourth rod and the first rod is close to the upper end of the first rod.

[0015] Further, the connection between the second rod body and the third rod body is close to the lower end of the third rod body.

[0016] Further, the fourth rod body and the joint rod are of an integrally formed structure.

[0017] Further, the fourth rod body is a telescopic rod.

[0018] Different from the prior art, the above technical solution has the following advantages: This bionic frog bouncing device realizes actions similar to those of a frog through the coordinated movement of the transmission assembly, the front limb assembly, and the hind limb assembly. When the power component moves, through the transmission of the transmission assembly, the driving wheel and the driven wheel rotate. At the same time, the coordinated movement of the joint rod and the swing rod of the hind limb assembly enables the hind feet to provide the power and actions for bouncing, and the coil spring arranged between the swing rod and the central rotating shaft of the driven wheel can compress and store energy during the rotation of the transmission assembly, improving the bouncing performance of this bionic frog. The design and movement principle of the entire device imitate the bouncing actions of a frog and have certain bionic characteristics. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a side view of a bionic frog bouncing device according to this embodiment;

[0020] Figure 2 It is a perspective view of a bionic frog bouncing device according to this embodiment;

[0021] Figure 3 It is a schematic diagram of the transmission assembly of a bionic frog bouncing device according to this embodiment;

[0022] Figure 4 It is a schematic diagram of the swing rod of a bionic frog bouncing device according to this embodiment;

[0023] Figure 5 It is a schematic diagram of the fourth rod body and the joint rod of a bionic frog bouncing device according to this embodiment;

[0024] DESCRIPTION OF THE REFERENCE NUMERALS:

[0025] 1. Housing;

[0026] 21. Driving wheel;

[0027] 22. Driven wheel;

[0028] 23. Power component;

[0029] 31. Front limb rod;

[0030] 32. Front foot;

[0031] 41. Hind foot;

[0032] 42. First rod body;

[0033] 43. Second rod body;

[0034] 44. Third rod body;

[0035] 45. Fourth rod body;

[0036] 46. Fifth rod body;

[0037] 47. Sixth rod body;

[0038] 48. Swing rod;

[0039] 49. Joint rod;

[0040] 491. First hinge point;

[0041] 492. Second hinge point;

[0042] 493. Third hinge point. Detailed implementation manners

[0043] To describe in detail the possible application scenarios, technical principles, specific implementable solutions, achievable purposes and effects of this application, etc., the following will be described in detail in combination with the listed specific embodiments and with reference to the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application, so they are only examples and cannot be used to limit the protection scope of this application.

[0044] Referring to "embodiments" in this article means that the specific features, structures or characteristics described in combination with the embodiments can be included in at least one embodiment of this application. The term "embodiment" appearing in various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form the corresponding implementable technical solutions.

[0045] Unless otherwise defined, the meanings of the technical terms used in this article are the same as those generally understood by those skilled in the technical field to which this application belongs; the use of the relevant terms in this article is only for describing specific embodiments and is not intended to limit this application.

[0046] In the description of this application, the phrase "and / or" is an expression used to describe the logical relationship between objects, indicating that there can be three relationships. For example, A and / or B means: there is A, there is B, and there is both A and B at the same time. In addition, the character " / " in this article generally represents an "or" logical relationship between the associated objects before and after.

[0047] In this application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantitative, primary-secondary or sequential relationship between these entities or operations.

[0048] Without further limitation, in this application, the expressions such as "comprising", "including", "having" or other similar expressions used in a statement are intended to cover non-exclusive inclusion. These expressions do not exclude the possibility that there may be additional elements in the process, method or product including the said elements. Thus, a process, method or product including a series of elements may include not only those defined elements, but also other elements not explicitly listed, or elements inherent to such process, method or product.

[0049] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceeding" are understood not to include the recited number; expressions such as "above", "below", "within" are understood to include the recited number. In addition, in the description of the embodiments of this application, the meaning of "a plurality of" is two or more (including two). Similar expressions related to "many", such as "multiple groups", "multiple times", etc., are understood in the same way, unless otherwise specifically defined.

[0050] In the description of the embodiments of this application, the spatially-related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiment or the drawings. It is only for the convenience of describing the specific embodiments of this application or for the reader to understand, rather than indicating or implying that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of this application.

[0051] Unless otherwise clearly specified or limited, in the description of the embodiments of this application, the terms such as "installed", "connected", "joined", "fixed", "set" should be understood in a broad sense. For example, the said "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art to which this application pertains, the specific meanings of the above terms in the embodiments of this application can be understood according to specific circumstances.

[0052] Please refer toFigures 1 to 5 , in this embodiment, a bionic frog jumping device includes:

[0053] A housing 1, which is a hollow shell-like structure;

[0054] A transmission assembly, which is arranged inside the housing 1. The transmission assembly includes a power member 23, a driving wheel 21 and a driven wheel 22. The power member is fixed on the housing 1. The driving wheel 21 and the driven wheel 22 are rotatably connected inside the housing 1. The power member is in transmission connection with the driving wheel 21, and the driving wheel 21 and the driven wheel 22 are in meshing transmission;

[0055] Two front limb assemblies symmetrically arranged in front of the housing, which include a front limb rod 31 and a front foot 32. The upper end of the front limb rod 31 is hinged to the front end of the housing 1, and the lower end of the front limb rod 31 is hinged to the front foot 32;

[0056] Two hind limb assemblies symmetrically arranged behind the housing, which include a hind foot 41, a first rod 42, a second rod 43, a third rod 44, a fourth rod 45, a fifth rod 46, a sixth rod 47, a swing rod 48 and a joint rod 49. The joint rod 49 includes a first hinge point 491, a second hinge point and a third hinge point distributed in a triangle. The middle part of the swing rod 48 is in transmission connection with the central rotating shaft of the driven wheel 22, and a coil spring 5 is arranged between the swing rod 48 and the central rotating shaft of the driven wheel 22; The lower end of the first rod 42 is hinged to the hind foot 41, the upper end of the first rod 42 is hinged to the lower end of the second rod 43, the upper end of the second rod 43 is hinged to the middle part of the third rod 44, the middle part of the first rod 42 is hinged to the lower end of the fourth rod 45, the upper end of the fourth rod 45 is connected to the joint rod 49, the upper end of the third rod 44 is hinged to the housing 1, the second hinge point 492 of the joint rod is hinged to the lower end of the third rod 44, the third hinge point 493 of the joint rod is hinged to the lower end of the fifth rod 46, the upper end of the fifth rod 46 is hinged to one end of the swing rod 48, the lower end of the sixth rod 47 is hinged to the first hinge point 491 of the joint rod, and the upper end of the sixth rod 47 is hinged to the other end of the swing rod 48.

[0057] An opening is provided at the lower end of the housing 1. The driving wheel 21 and the driven wheel 22 can be installed into the housing 1 through the opening at the lower part of the housing 1. When the bionic frog jumping device jumps, the opening of the housing 1 faces the ground. Patterns can be drawn or pasted on the shell part of the housing 1 to make the bionic effect of the bionic frog jumping device better.

[0058] The driving wheel 21 and the driven wheel 22 are meshing gears. The number of teeth of the driving wheel 21 is less than that of the driven wheel 22. The tooth ratio of the driven wheel 22 to the driving wheel 21 is 30:20. After the power component transmits power to the driving wheel 21, the driving wheel 21 meshes with the driven wheel 22 to transmit the power to the driven wheel 22. The rotation speed can be reduced through the power transmission between the driving wheel 21 and the driven wheel 22.

[0059] The upper end and the lower end of the front limb rod 31 are respectively hinged to the housing 1. During jumping, the upper end and the lower end of the front limb rod 31 can rotate to adapt to uneven or sloping ground. In some embodiments, a coil spring is sleeved on the hinge connecting member between the front limb rod 31 and the housing 1, and a coil spring is also sleeved on the hinge connecting member between the front limb rod 31 and the front foot 32. In the initial state, the above two coil springs are not compressed. After jumping and landing, the above two coil springs may be compressed to better adapt to the ground.

[0060] The power component is selected as a motor. When the motor rotates forward, the coil spring arranged between the compression swing rod 48 and the central rotating shaft of the driven wheel 22 is compressed to store energy. Each rod body of the hind limb assembly rotates and approaches each other, causing the bionic frog bouncing device to squat down; after the motor rotates in reverse, the coil spring arranged between the compression swing rod 48 and the central rotating shaft of the driven wheel 22 is released, causing the hind limb assembly to stretch and open, and jump off the ground at the moment when the coil spring releases energy, completing the bouncing action.

[0061] Even when used in the wild, the front foot 32 and the hind foot 41 do not have relative movement, and are not easily wound in vines.

[0062] This bionic frog bouncing device realizes actions similar to those of a frog through the coordinated movement of the transmission component, the front limb component, and the hind limb component. When the power component moves, through the transmission of the transmission component, the driving wheel 21 and the driven wheel 22 rotate. At the same time, through the coordinated movement of the joint rod 49 and the swing rod 48 of the hind limb component, the hind foot 41 can provide the power and actions for bouncing, and the coil spring arranged between the swing rod 48 and the central rotating shaft of the driven wheel 22 can be compressed to store energy during the rotation of the transmission component, improving the bouncing performance of the bionic frog. The design and movement principle of the entire device imitate the bouncing actions of a frog and have certain bionic characteristics.

[0063] In some preferred embodiments, the second hinge joint 492 and the third hinge joint of the joint rod are of a clip structure. The lower end of the third rod body 44 is clamped at the second hinge joint, and the lower end of the fifth rod body 46 is clamped at the third hinge joint. Such a clip structure can provide a stable connection and allow the joint rod 49 to maintain a fixed position during movement. This design can increase the stability and reliability of the device, ensuring that the joint rod 49 can effectively transmit force and achieve the required movement during the movement process.

[0064] In some preferred embodiments, the number of the sixth rod bodies 47 is two. The two sixth rod bodies 47 are respectively connected to both sides of the joint rod 49, and the two sixth rod bodies 47 are respectively connected to both sides of the swing rod 48. This design can increase the stability and balance of the device and ensure that the joint rod 49 and the swing rod 48 can work in coordination during movement.

[0065] In some preferred embodiments, the end of the swing rod 48 connected to the fifth rod body 46 is a clip structure, and the upper end of the fifth rod body 46 is clamped at the clip structure of the swing rod 48. This clip structure can provide a stable connection and allow the swing rod 48 and the fifth rod body 46 to maintain a fixed position during movement. This structural design can increase the stability and reliability of the device and ensure that the swing rod 48 can effectively transmit force and achieve the required movement.

[0066] In some preferred embodiments, the hinge joint of the fourth rod body 45 and the first rod body 42 is close to the upper end of the first rod body 42. This structural design can be beneficial to the movement ratio and force transmission between the joint rod 49 and the swing rod 48.

[0067] In some preferred embodiments, the connection part of the second rod body 43 and the third rod body 44 is close to the lower end of the third rod body 44. Similarly, this structural design can affect the movement ratio and force transmission between the joint rod 49 and the swing rod 48.

[0068] In some preferred embodiments, the fourth rod body 45 and the joint rod 49 are of an integrally formed structure. This structural design can provide a more stable and reliable connection and ensure that the movement between the joint rod 49 and the fourth rod body 45 can be coordinated and force can be transmitted.

[0069] In some preferred embodiments, the fourth rod body 45 is a telescopic rod. A telescopic rod is usually made of a telescopic material and can be adjusted in length according to needs. This structural design can make the device have greater flexibility and adaptability to adapt to different movement requirements and environmental conditions.

[0070] Finally, it should be noted that although the above embodiments have been described in the text of the specification and drawings of the present application, the patent protection scope of the present application cannot be limited thereby. Any equivalent structure or equivalent process substitution or modification made based on the essential concept of the present application, using the content recorded in the text of the specification and drawings of the present application, as well as any technical solutions directly or indirectly implementing the above embodiments in other related technical fields, etc., are all included in the patent protection scope of the present application.

Claims

1. A bionic frog jumping device, characterized in that: include: an outer shell, which is a hollow shell-like structure; A transmission assembly is arranged in the housing, the transmission assembly comprises a power member, a driving wheel and a driven wheel, the power member is fixed on the housing, the driving wheel and the driven wheel are rotatably connected in the housing, the power member is in transmission connection with the driving wheel, and the driving wheel and the driven wheel are meshed for transmission; Two forelimb assemblies symmetrically arranged in front of the shell, comprising a forelimb rod and a front foot, wherein the upper end of the forelimb rod is hinged to the front end of the shell, and the lower end of the forelimb rod is hinged to the front foot; Two hind limb components are symmetrically arranged at the rear of the shell, which include a hind foot, a first rod body, a second rod body, a third rod body, a fourth rod body, a fifth rod body, a sixth rod body, a swing rod and a joint rod, wherein the joint rod includes a first hinge, a second hinge and a third hinge that are triangularly distributed, the middle part of the swing rod is transmission-connected to the central rotating shaft of the driven wheel, and a coil spring is arranged between the swing rod and the central rotating shaft of the driven wheel; the lower end of the first rod body is hinged to the hind foot, the upper end of the first rod body is hinged to the lower end of the second rod body, and the second rod body is hinged to the lower end of the second rod body. The upper end is hinged to the middle part of the third rod body, the middle part of the first rod body is hinged to the lower end of the fourth rod body, the upper end of the fourth rod body is connected to the joint rod, the upper end of the third rod body is hinged to the outer shell, the second hinge of the joint rod is hinged to the lower end of the third rod body, the third hinge of the joint rod is hinged to the lower end of the fifth rod body, the upper end of the fifth rod body is hinged to one end of the swing rod, the lower end of the sixth rod body is hinged to the first hinge of the joint rod, and the upper end of the sixth rod body is hinged to the other end of the swing rod.

2. The bionic frog jumping device according to claim 1, characterized in that: The second hinge and the third hinge of the joint rod are clip structures, the lower end of the third rod body is clamped at the second hinge, and the lower end of the fifth rod body is clamped at the third hinge.

3. The bionic frog jumping device according to claim 1, characterized in that: There are two sixth rod bodies, two of which are connected to both sides of the joint rod, and two of which are connected to both sides of the swing rod.

4. The bionic frog jumping device according to claim 1, characterized in that: One end of the swing rod connected to the fifth rod body is a clip structure, and the upper end of the fifth rod body is clamped at the clip structure of the swing rod.

5. The bionic frog jumping device according to claim 1, characterized in that: The hinged joint between the fourth rod and the first rod is close to the upper end of the first rod.

6. The bionic frog jumping device according to claim 1, characterized in that: The connection between the second rod and the third rod is close to the lower end of the third rod.

7. The bionic frog jumping device according to claim 1, characterized in that: The fourth rod body and the joint rod are an integrally formed structure.

8. The bionic frog jumping device according to claim 1, characterized in that: The fourth rod body is a telescopic rod.

Citation Information

Patent Citations

  • Bionic frog bouncing robot based on linear spring mechanism

    CN118082997A