Anti-skid wheel body structure and mowing robot
By setting staggered protrusions and anti-slip studs on the tires of the lawnmower, the problem of slipping and difficulty in walking in high grass or muddy conditions is solved, achieving a more stable lawn cleaning effect.
Patent Information
- Application Number
- CN202520404932.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing lawn mowing robots are prone to slipping and have difficulty walking on lawns, especially when the grass is more than 30 centimeters high or in muddy conditions, they are unable to work properly.
It adopts an anti-skid wheel structure, including a wheel hub and a tire body. The outer side of the tire body is provided with staggered first and second protrusions and anti-skid studs to increase grip and prevent slipping.
It improves the walking stability of lawn mowing robots in different scenarios, reduces slippage and walking difficulties, and is suitable for various lawn conditions.
Smart Images
Figure CN223786638U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of intelligent courtyard cleaning equipment technology, especially lawn cleaning technology, and more specifically, to an anti-slip wheel structure and a lawn mowing robot. Background Technology
[0002] Against the backdrop of booming technological innovation and high-end manufacturing, the robotics industry has undoubtedly become a global focus. Many major economies regard the robotics industry as a national strategy, committed to maintaining and enhancing their manufacturing competitiveness through development in this field. Particularly in the smart home sector, the application of robots has penetrated into daily life, with various robots gradually replacing human labor to complete complex household and yard tasks.
[0003] Specifically in the field of yard cleaning technology, lawnmower robots, as a professional automated yard cleaning device, are gradually being favored by most families. In daily cleaning, they can significantly save labor costs, and their results are more efficient, even, and smoother than traditional manual lawn cleaning methods.
[0004] Most existing lawnmowers use rechargeable batteries as their power source. While moving, their blades cut plants taller than a certain height, ensuring a smooth lawn. However, as is well known, existing lawnmowers primarily move using their own power, unlike traditional methods that rely on human pushing or pulling. Furthermore, factors such as gravel, potholes, and grass height can all affect the robot's movement. Especially when the grass is over 30 centimeters tall and dense, ordinary lawnmowers are prone to slipping and have difficulty moving. Similarly, when the grass is sparse and it has just rained, the lawn becomes like a muddy road, and the wheels of ordinary lawnmowers are covered with mud and grass clippings, causing them to slip and struggle due to poor traction.
[0005] Therefore, how to make lawnmower robots suitable for different working scenarios and reduce the pain points of slipping and walking difficulties is a technical problem that the industry urgently needs to solve. Utility Model Content
[0006] The present invention aims to overcome the shortcomings of the prior art and provide an anti-slip wheel structure and a lawn mowing robot to solve the problems of slipping and walking difficulties of existing lawn mowing robots, thereby making the lawn mowing robot suitable for a variety of working scenarios.
[0007] The technical solution adopted by this utility model is to provide an anti-skid wheel structure, including a wheel body, the body including a hub and a tire body disposed on the outer periphery of the hub. The hub can be made of rubber or metal; the tire body is usually made of rubber.
[0008] An anti-slip component, wherein the anti-slip component has a raised structure and is connected to the outer side of the tire body along the circumference of the tire body. The anti-slip component includes a first protrusion and a second protrusion, wherein the first protrusion and the second protrusion are staggered and spaced apart along the outer circumference of the tire body.
[0009] There are two first protrusions, which are respectively located on both sides of the tire body in the direction of travel, and one second protrusion is located in the middle of the tire body in the direction of travel.
[0010] The upper part of the first protrusion and / or the second protrusion is provided with anti-slip studs, and the anti-slip studs are arranged in at least two rows along the tire travel direction.
[0011] By interlocking the components and adding anti-slip studs, the interlocking structure and anti-slip studs can further increase the grip when encountering harsh environments, thus achieving an anti-slip effect and preventing the lawnmower robot from getting stuck.
[0012] In one embodiment, the first protrusion and / or the second protrusion has a trapezoidal or wedge-shaped structure. When placed on the tire body, it has a structure that is smaller at the top and larger at the bottom.
[0013] In one embodiment, the lower portions of the first protrusion and / or the second protrusion have the same length, and both are 1 / 3 to 2 / 5 of the outer width of the tire body. When the lower portions of the first protrusion and the second protrusion have the same length and are 1 / 3 of the outer width of the tire body, the two first protrusions and the one second protrusion are exactly the width of the outer side of the tire body.
[0014] In one embodiment, the lower portion of the first protrusion is shorter than the lower portion of the second protrusion, the lower portion of the first protrusion being one-third the width of the outer side of the wheel body, and the lower portion of the second protrusion being one-half the width of the outer side of the wheel body.
[0015] In one embodiment, the anti-slip stud is cylindrical or wedge-shaped.
[0016] In one embodiment, when the anti-slip stud is cylindrical, its diameter L is greater than its height l; when the anti-slip stud is wedge-shaped, its top length L1 is greater than its height l1.
[0017] In one embodiment, the height l' of the anti-slip stud is 1 / 8 to 1 / 5 of the height L' of the first or second protrusion.
[0018] In one embodiment, the height of the first protrusion and / or the second protrusion is 10cm ≤ L' ≤ 20cm.
[0019] In one embodiment, when the anti-slip element is connected to the outer side of the tire body along the circumference of the tire body, when two symmetrical anti-slip elements are connected to each other, the tire body can be divided into 22 to 30 equal parts after all the anti-slip elements are connected.
[0020] A lawn mowing robot includes a lawn mowing robot body, a lawn mowing blade is provided at the bottom of the lawn mowing robot body, and a walking mechanism is provided on the side or lower part of the lawn mowing robot body; it also includes an anti-slip wheel structure for the lawn mowing robot, the anti-slip wheel structure is provided on the walking mechanism, and the walking mechanism is a walking wheel.
[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0022] This utility model provides an anti-slip wheel structure and a lawn mowing robot, which solves the problem of lawn mowing robots slipping and having difficulty walking during operation, making the lawn mowing robot suitable for working in different scenarios (such as muddy scenarios, scenarios where grass is taller than 30 cm, etc.). Attached Figure Description
[0023] Figure 1 This is a schematic diagram of an anti-slip wheel structure provided in Example 1.
[0024] Figure 2 This is a cross-sectional schematic diagram of an anti-slip wheel structure provided in Example 1.
[0025] Figure 3 for Figure 1 A magnified view of a portion of point A in the middle.
[0026] Figure 4 for Figure 2 A magnified view of a portion of point B in the middle.
[0027] Figure 5 for Figure 3 Enlarged view of part C in the middle Figure 1 .
[0028] Figure 6 for Figure 3 Enlarged view of part C in the middle Figure 2 .
[0029] Figure 7 for Figure 3 A magnified view of a portion of point D.
[0030] Figure 8 This is a side view of an anti-slip wheel structure provided in Example 1.
[0031] Figure 9 This is a schematic diagram of the structure of the anti-slip wheel body provided in Example 1 when the anti-slip component is cut into equal parts.
[0032] Figure 10 This is a schematic diagram of the structure of a lawnmower robot provided in Example 1. Figure 1 .
[0033] Figure 11 This is a schematic diagram of the structure of a lawnmower robot provided in Example 1. Figure 2 .
[0034] Label Explanation:
[0035] Wheel hub 100, tire body 200, first protrusion 210, second protrusion 220, anti-skid studs 230; lawn mowing robot body 300. Detailed Implementation
[0036] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this invention. To better illustrate the following embodiments, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.
[0037] Example 1
[0038] like Figures 1-9 As shown, this embodiment provides an anti-skid wheel structure, including a wheel body body, which includes a hub 100 and a tire body 200 disposed on the outer periphery of the hub 100. The hub 100 can be made of rubber or metal; the tire body 200 is typically made of rubber. To enhance aesthetics, different hub shells or similar features can be provided on the outer side of the hub 100.
[0039] An anti-slip component is provided, which has a raised structure and is connected to the outer side of the tire body 200 along the circumferential direction. The anti-slip component includes a first protrusion 210 and a second protrusion 220, which are staggered and spaced apart along the outer circumferential direction of the tire body 200.
[0040] There are two first protrusions 210, located on either side of the tire body 200 in the direction of travel, and one second protrusion 220 located in the middle of the tire body 200 in the direction of travel. By using two different sets of protrusions located on the outer circumferential position of the tire body 200, different grip forces are achieved during travel, thus reducing the likelihood of slippage.
[0041] like Figure 3 , Figure 4As shown, anti-slip studs 230 are provided on the upper part of the first protrusion 210 and / or the second protrusion 220. In this embodiment, anti-slip studs 230 are provided on the upper part of both the first protrusion 210 and the second protrusion 220, and the anti-slip studs 230 are arranged in at least two rows along the traveling direction of the tire body 200. In this embodiment, they are arranged in two rows and three columns; that is, six anti-slip studs 230 are provided on the upper part of both the first protrusion 210 and the second protrusion 220.
[0042] If too many anti-slip studs (230) are used, the density will be too high and the gaps too small, resulting in a lower anti-slip effect. If too few anti-slip studs (230) are used, they will wear out easily. Therefore, testing has shown that a two-row, three-column arrangement is the optimal configuration.
[0043] By interlocking the components and adding anti-slip spikes 230, the interlocking structure and anti-slip spikes 230 can further increase the grip when encountering harsh environments, thereby achieving an anti-slip effect and preventing the lawnmower robot from getting stuck.
[0044] In one embodiment, the first protrusion 210 and / or the second protrusion 220 have a trapezoidal or wedge-shaped structure. When placed on the tire body 200, it has a structure that is smaller at the top and larger at the bottom.
[0045] In one embodiment, the lower portions of the first protrusion 210 and / or the second protrusion 220 have the same length, and are both 1 / 3 to 2 / 5 of the outer width of the tire body 200. When the lower portions of the first protrusion 210 and the second protrusion 220 have the same length and are 1 / 3 of the outer width of the tire body 200, the two first protrusions 210 and one second protrusion 220 are exactly the width of the outer side of the tire body 200.
[0046] When setting the bumps, the principle is that, optimally, the bumps should cover 200mm of the outer width of the tire body when the tire is moving. Therefore, when each bump is set to 1 / 3, three bumps will cover the entire width. When each bump is set to 2 / 5, three bumps will cover 6 / 5, exceeding the tire's width, indicating that some parts overlap. This setting is also feasible.
[0047] In one embodiment, the lower part of the first protrusion 210 is shorter than the lower part of the second protrusion 220. The lower part of the first protrusion 210 is 1 / 3 of the width of the outer side of the wheel body, and the lower part of the second protrusion 220 is 1 / 2 of the width of the outer side of the wheel body.
[0048] In this configuration, the first protrusion 210 and the second protrusion 220 have different lengths. The preferred configuration is that only one of the second protrusions 220 is longer, while the first protrusions 210 on the left and right sides are shorter.
[0049] In one embodiment, the anti-slip stud 230 is cylindrical or wedge-shaped. In this embodiment, the anti-slip stud 230 is cylindrical, which is easy to demold and provides a more ideal effect. Of course, it is also possible to set it into a conical or other variations; this embodiment does not exhaustively list all possible shapes of the anti-slip stud 230.
[0050] like Figure 5 , Figure 6 As shown, in one embodiment, when the anti-slip stud 230 is cylindrical, its diameter distance L is greater than its height l; when the anti-slip stud 230 is wedge-shaped, its top length L1 is greater than its height l1.
[0051] A large diameter and long height of cylinder can provide sufficient grip, improve wear resistance, and extend its service life.
[0052] like Figure 7 As shown, in one embodiment, the height l' of the anti-slip stud 230 is 1 / 8 to 1 / 5 of the height L' of the first protrusion 210 or the second protrusion 220.
[0053] like Figure 7 As shown, in one embodiment, the height of the first protrusion 210 or / and the second protrusion 220 is 10cm≤L'≤20cm.
[0054] In typical outdoor lawns, the grass height is generally over 25 cm; in some well-grown lawns, it can even reach over 30 cm. When the grass height is 25 cm, 30 cm, or higher, if the anti-slip components in the anti-slip wheels (i.e., the first protrusion 210 and the second protrusion 220 mentioned in this embodiment) are too small, the resistance to movement on the grass is high, making movement difficult. Furthermore, when there is dew or rain on the grass, it is prone to slipping, resulting in extremely poor mowing performance. Therefore, by extending the height of the first protrusion 210 and the second protrusion 220, allowing them to grip the grass up to halfway down, the robot's grip is improved, making it less prone to slipping and providing a safer walking surface for the lawnmower robot.
[0055] like Figure 8 , Figure 9 As shown, in one embodiment, when the anti-slip components are connected to the outer side of the tire body 200 along the circumference of the tire body 200, when two symmetrical anti-slip components are connected together, the tire body 200 can be divided into 22 to 30 equal parts after all anti-slip components are connected. In a specific implementation of this embodiment, as follows... Figure 9 The dotted line section along the center line can be divided into 24 equal parts, with consistent distances and spacing between each part. However, depending on the working environment, such as when the wheel hub needs to be enlarged by 100mm, it can be divided into 30 equal parts.
[0056] like Figure 10 , Figure 11 As shown in the figure, this embodiment provides a lawnmower robot, including a lawnmower robot body 300. A mowing blade (not shown) is located at the bottom of the lawnmower robot body 300, and a walking mechanism is located on the side or lower part of the lawnmower robot body. This embodiment of the lawnmower robot also includes a non-slip wheel structure, which is disposed on the walking mechanism, and the walking mechanism is a walking wheel. The non-slip wheel structure provides a safety feature for the lawnmower robot in this embodiment, reducing problems such as slippage, idle spinning, and difficulty in walking on lawns and muddy roads.
[0057] This embodiment provides an anti-slip wheel structure and a lawn mowing robot, which solves the problem of lawn mowing robots easily slipping and having difficulty walking during operation, making the lawn mowing robot suitable for working in different scenarios.
[0058] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the technical solution of this utility model, and are not intended to limit the specific implementation of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the claims of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. A non-slip wheel structure, comprising a wheel body, characterized in that, The main body includes a wheel hub and a tire body disposed on the outer periphery of the wheel hub; An anti-slip component, wherein the anti-slip component has a raised structure and is connected to the outer side of the tire body along the circumferential direction of the tire body, the anti-slip component includes a first protrusion and a second protrusion, the first protrusion and the second protrusion being staggered and spaced apart along the outer circumferential direction of the tire body; There are two first protrusions, which are respectively located on both sides of the tire body in the direction of travel, and one second protrusion is located in the middle of the tire body in the direction of travel. The upper part of the first protrusion and / or the second protrusion is provided with anti-slip studs, and the anti-slip studs are arranged in at least two rows along the tire travel direction.
2. The anti-slip wheel structure according to claim 1, characterized in that, The first protrusion and / or the second protrusion have a trapezoidal or wedge-shaped structure.
3. The anti-slip wheel structure according to claim 1, characterized in that, The lower part of the first protrusion and / or the second protrusion has the same length, and both are 1 / 3 to 2 / 5 of the width of the outer side of the wheel body.
4. The anti-slip wheel structure according to claim 1, characterized in that, The lower part of the first protrusion is shorter than the lower part of the second protrusion. The lower part of the first protrusion is 1 / 3 of the outer width of the tire body, and the lower part of the second protrusion is 1 / 2 of the outer width of the tire body.
5. The anti-slip wheel structure according to claim 1, characterized in that, The anti-slip studs are cylindrical or wedge-shaped.
6. The anti-slip wheel structure according to claim 5, characterized in that, When the anti-slip stud is cylindrical, its diameter L is greater than its height l; when the anti-slip stud is wedge-shaped, its top length L1 is greater than its height l1.
7. The anti-slip wheel structure according to claim 1, characterized in that, The height l' of the anti-slip stud is 1 / 8 to 1 / 5 of the height L' of the first or second protrusion.
8. The anti-slip wheel structure according to claim 1, characterized in that, The height of the first protrusion and / or the second protrusion is 10cm ≤ L' ≤ 20cm.
9. The anti-slip wheel structure according to claim 1, characterized in that, When the anti-skid component is connected to the outer side of the tire body along the circumference of the tire body, when two symmetrical anti-skid components are connected to each other, the tire body can be divided into 22 to 30 equal parts after all the anti-skid components are connected.
10. A lawn mowing robot, comprising a lawn mowing robot body, a lawn mowing blade provided at the bottom of the lawn mowing robot body, and a walking mechanism provided on the side or lower part of the lawn mowing robot body; Its features are, It also includes an anti-slip wheel structure for a lawnmower robot as described in claims 1-9, wherein the anti-slip wheel structure is disposed on the walking mechanism, and the walking mechanism is a walking wheel.