Tire and hub motor

Abstract

The utility model relates to the technical field of running accessories, in particular to a tire and a hub motor, which comprise a tire body, a first anti-skid boss, a second anti-skid boss and a separation ring, the separation ring is arranged on the periphery of the tire body, and the separation ring is used for separating the first anti-skid boss and the second anti-skid boss on two sides of the tire body. The plurality of first anti-skid bosses are annularly and uniformly distributed on the periphery of the tire body, and a first groove is formed between every two adjacent first anti-skid bosses; the multiple second anti-skid bosses are annularly and uniformly distributed on the periphery of the tire body, and a second groove is formed between every two adjacent second anti-skid bosses; a first cavity is formed in the inner side of the first anti-skid boss, and a second cavity is formed in the inner side of the second anti-skid boss. The cavities are formed in the inner sides of the anti-skid bosses, and the cavities deform under pressure in the running process of the tire, so that obstacle crossing is facilitated in the running process, and the obstacle crossing capacity and stability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of driving accessories, in particular to a tire and a hub motor. Background Art

[0002] A cleaning robot is an intelligent device that is used to automatically perform various cleaning tasks, such as vacuuming, scrubbing, sweeping, and mopping. Equipped with various sensors and navigation technologies, the cleaning robot can autonomously sense and identify the environment, plan cleaning paths, and avoid obstacles. It can perform a variety of cleaning operations such as vacuuming, scrubbing, sweeping, and mopping to adapt to different floor types and levels of dirt.

[0003] A cleaning robot usually includes running wheels, a driving mechanism, and a cleaning work head. The cleaning work head is used to clean the ground, and the driving mechanism is used to drive the cleaning robot to move autonomously on the ground. When the tires of the running wheels of the cleaning robot walk on a smoother ground or a wet ground, the tires have less grip, causing the running wheels to slip, so that the obstacle crossing performance of the machine is low. In order to solve the above problems, the tire structure is improved, generally by reducing the hardness of the tire. Tires with lower hardness are easy to deform, so the grip on the ground will be enhanced, but they are not wear-resistant; while tires with higher hardness are wear-resistant, it is difficult to improve the grip of the tire. Therefore, directly changing the material of the tire cannot achieve better obstacle crossing performance. It is now necessary to improve the tire structure so that the tire has better grip and improves the obstacle crossing performance of the tire. Utility Model Content

[0004] To solve the above problems, the utility model provides a tire and hub motor with a cavity arranged on the inner side of an anti-skid boss. When the tire is running, the cavity is deformed by pressure to facilitate obstacle crossing during driving, thereby improving obstacle crossing capability and stability.

[0005] The technical solution adopted by the utility model is: a tire, including a tire body, a first anti-skid boss, a second anti-skid boss and a separator ring, wherein the separator ring is arranged on the outer periphery of the tire body, and the separator ring is used to separate the first anti-skid boss and the second anti-skid boss on both sides of the tire body, a plurality of first anti-skid bosses are arranged, and the plurality of first anti-skid bosses are evenly distributed on the outer periphery of the tire body in a circumferential direction, and a first groove is arranged between two adjacent first anti-skid bosses; a plurality of second anti-skid bosses are arranged, and the plurality of second anti-skid bosses are evenly distributed on the outer periphery of the tire body in a circumferential direction, and a second groove is arranged between two adjacent second anti-skid bosses, and the first groove and the second groove are staggered; a first cavity is arranged on the inner side of the first anti-skid boss, and a second cavity is arranged on the inner side of the second anti-skid boss.

[0006] A further improvement to the above solution is that a connecting cavity is provided on the inner side of the tire body, a connecting positioning pin is provided in the connecting cavity, and an assembly step is provided at the opening of the connecting cavity.

[0007] A further improvement to the above scheme is that a first drainage groove is provided on the outer side surface of the first anti-slip boss, and a second drainage groove is provided on the outer side surface of the second anti-slip boss; the first drainage groove passes through the first anti-slip boss along the outer diameter direction, and the second drainage groove passes through the second anti-slip boss along the outer diameter direction.

[0008] A further improvement to the above scheme is that the first anti-slip boss is provided with a first axial groove, and the second anti-slip boss is provided with a second axial groove, the first axial groove penetrates along the axial direction of the first anti-slip boss, and the second axial groove penetrates along the axial direction of the second anti-slip boss.

[0009] A further improvement to the above scheme is that the first anti-slip boss includes a first side boss, a first center boss and a second side boss, and the first side boss is arranged in sequence with the first center boss and the second side boss; the second anti-slip boss includes a third side boss, a second center boss and a fourth side boss, and the third side boss is arranged in sequence with the second center boss and the fourth side boss.

[0010] A further improvement to the above scheme is that the first axial groove is a V-shaped groove and is used to separate the first side boss from the first center boss and the second side boss; the second axial groove is a V-shaped groove and is used to separate the third side boss from the second center boss and the fourth side boss.

[0011] A further improvement to the above solution is that one end of the first side boss is connected to one end of the fourth side boss, and one end of the second side boss is connected to one end of the third side boss.

[0012] A further improvement to the above scheme is that the first cavity includes a first side cavity, a first center cavity and a second side cavity, the first side cavity is located on the inner side of the first side boss, the second side cavity is located on the inner side of the second side boss, and the first center cavity is located on the inner side of the first center boss; the first side cavity and the second side cavity are both parallelogram shapes and are symmetrically arranged with the first center cavity as the center.

[0013] A further improvement to the above scheme is that the second cavity includes a third side cavity, a second center cavity and a fourth side cavity, the third side cavity is located on the inner side of the second side boss, the fourth side cavity is located on the inner side of the fourth side boss, and the second center cavity is located on the inner side of the second center boss; the third side cavity and the fourth side cavity are both parallelograms and are symmetrically arranged with the second center cavity as the center.

[0014] A further improvement to the above solution is that one end of the first side cavity is opposite to one end of the fourth side cavity, and one end of the second side cavity is opposite to one end of the third side cavity.

[0015] A further improvement to the above solution is that the number of the first grooves and the number of the second grooves are both 10 to 15.

[0016] A hub motor comprises the tire, wherein the hub motor is provided with a rotor shell, and the tire body is arranged on the rotor shell; the hub motor is provided with a rotating shaft, one end of the rotating shaft is connected to the rotor shell, and the other end extends to the outside of the hub motor.

[0017] The beneficial effects of the utility model are:

[0018] Compared with the existing cleaning equipment tires, the utility model uses a spacer ring to divide the outer diameter of the tire body into two anti-skid bosses, and the first anti-skid boss and the second anti-skid boss are alternately staggered to stagger the two anti-skid bosses, so that the tire has good stability and anti-skid effect during driving. A cavity is set on the inner side of the anti-skid boss, and the cavity is deformed by pressure during driving, so that it is easy to cross obstacles during driving, and the obstacle crossing ability and stability are improved.

[0019] The utility model effectively increases the friction between the tire and the ground through the design of the first anti-skid boss and the second anti-skid boss, improves the firmness and stability of the cleaning equipment on different ground surfaces, and ensures that it can carry out the cleaning work smoothly. The first anti-skid boss and the second anti-skid boss are separated and arranged on both sides of the tire body by a separation ring, so that the bosses and grooves on the tire surface are staggered, which effectively reduces tire wear and extends the service life. The setting of the first groove and the second groove helps to remove debris accumulated on the tire surface when the tire is moving, improves the self-cleaning effect of the tire, and maintains the efficient working state of the cleaning equipment. The boss and groove design of the tire reduces the friction resistance when in contact with the ground, reduces noise and vibration, and improves the comfort of use of the cleaning equipment. The setting of the first cavity and the second cavity helps to improve the flexibility and maneuverability of the tire, making it easier for the cleaning equipment to turn and overcome obstacles, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the tire of the utility model;

[0021] Figure 2 for Figure 1 A three-dimensional schematic diagram of another perspective of the tire;

[0022] Figure 3 for Figure 1 A schematic diagram of the partial structure of the tire;

[0023] Figure 4for Figure 1 A three-dimensional schematic diagram of the mid-wheel hub motor;

[0024] Figure 5 for Figure 1 Exploded diagram of the mid-wheel hub motor.

[0025] Explanation of the accompanying drawings: tire body 1, connecting cavity 11, connecting positioning pin 12, assembly step 13, first anti-slip boss 2, first drainage groove 21, first axial groove 22, first side boss 23, first center boss 24, second side boss 25, second anti-slip boss 3, second drainage groove 31, second axial groove 32, third side boss 33, second center boss 34, fourth side boss 35, separating ring 4, first groove 5, second groove 6, first cavity 7, first side cavity 71, first center cavity 72, second side cavity 73, second cavity 8, third side cavity 81, second center cavity 82, fourth side cavity 83, hub motor 9, rotor housing 91, rotating shaft 92. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0029] like Figure 1 to Figure 5As shown, in one embodiment of the utility model, a tire is involved, including a tire body 1, a first anti-skid boss 2, a second anti-skid boss 3 and a separating ring 4, wherein the separating ring 4 is arranged on the outer periphery of the tire body 1, and the separating ring 4 is used to separate the first anti-skid boss 2 and the second anti-skid boss 3 on both sides of the tire body 1, a plurality of the first anti-skid bosses 2 are arranged, and the plurality of first anti-skid bosses 2 are evenly distributed on the outer periphery of the tire body 1 in a circumferential direction, and a first groove 5 is arranged between two adjacent first anti-skid bosses 2; a plurality of the second anti-skid bosses 3 are arranged, and the plurality of second anti-skid bosses 3 are evenly distributed on the outer periphery of the tire body 1 in a circumferential direction, and a second groove 6 is arranged between two adjacent second anti-skid bosses 3, and the first groove 5 and the second groove 6 are staggered; a first cavity 7 is arranged on the inner side of the first anti-skid boss 2, and a second cavity 8 is arranged on the inner side of the second anti-skid boss 3. In this embodiment, a spacer ring is used to divide the outer diameter of the tire body 1 into two anti-skid bosses. The first anti-skid boss 2 and the second anti-skid boss 3 are alternately staggered to stagger the two anti-skid bosses. During the tire driving process, the stability and anti-skid effect are good. A cavity is set inside the anti-skid boss. During the driving process of the tire, the cavity is deformed by pressure to facilitate obstacle crossing during driving, and the obstacle crossing ability and stability are improved.

[0030] In the above embodiment, the friction between the tire and the ground is effectively increased by the design of the first anti-skid boss 2 and the second anti-skid boss 3, and the firmness and stability of the cleaning equipment on different ground surfaces are improved, ensuring that the cleaning work can be carried out smoothly. The first anti-skid boss 2 and the second anti-skid boss 3 are separated and arranged on both sides of the tire body 1 by the separation ring 4, so that the bosses and grooves on the tire surface are staggered, which effectively reduces tire wear and prolongs the service life. The setting of the first groove 5 and the second groove 6 helps to remove the debris accumulated on the tire surface when the tire moves, improves the self-cleaning effect of the tire, and maintains the efficient working state of the cleaning equipment. The boss and groove design of the tire reduces the friction resistance when in contact with the ground, reduces noise and vibration, and improves the comfort of the cleaning equipment. The setting of the first cavity 7 and the second cavity 8 helps to improve the flexibility and maneuverability of the tire, making it easier for the cleaning equipment to turn and overcome obstacles, and improving work efficiency.

[0031] A connection cavity 11 is provided on the inner side of the tire body 1, and a connection positioning pin 12 is provided on the connection cavity 11. An assembly step 13 is provided at the opening of the connection cavity 11. In this embodiment, the connection cavity 11 is used to connect the wheel hub, thereby driving the tire body 1 to rotate. The connection positioning pin 12 and the assembly step 13 can cooperate with the installation of the wheel hub to ensure the connection and positioning function, and the structure has good stability and high precision.

[0032] The outer side surface of the first anti-skid boss 2 is provided with a first drainage groove 21, and the outer side surface of the second anti-skid boss 3 is provided with a second drainage groove 31; the first drainage groove 21 penetrates along the outer diameter direction of the first anti-skid boss 2, and the second drainage groove 31 penetrates along the outer diameter direction of the second anti-skid boss 3. Specifically, the first anti-skid boss 2 is provided with a first axial groove 22, and the second anti-skid boss 3 is provided with a second axial groove 32, the first axial groove 22 penetrates along the axial direction of the first anti-skid boss 2, and the second axial groove 32 penetrates along the axial direction of the second anti-skid boss 3. The first anti-skid boss 2 includes a first side boss 23, a first center boss 24, and a second side boss 25, and the first side boss 23, the first center boss 24, and the second side boss 25 are arranged in sequence; the second anti-skid boss 3 includes a third side boss 33, a second center boss 34, and a fourth side boss 35, and the third side boss 33, the second center boss 34, and the fourth side boss 35 are arranged in sequence. The first axial groove 22 is a V-shaped groove, and is used to separate the first side boss 23 from the first center boss 24 and the second side boss 25; the second axial groove 32 is a V-shaped groove, and is used to separate the third side boss 33 from the second center boss 34 and the fourth side boss 35. One end of the first side boss 23 is connected to one end of the fourth side boss 35, and one end of the second side boss 25 is connected to one end of the third side boss 33. In this embodiment, the provision of the first drainage groove 21 and the second drainage groove 31 helps to effectively remove the accumulated water on the tire surface, improves the grip and anti-skid performance of the tire in a wet or watery environment, and ensures that the cleaning equipment can maintain a stable working state in various scenarios. Through the design of the drainage groove, the water film between the tire and the ground can be effectively reduced, the risk of slipping is reduced, and the firmness and safety of the cleaning equipment on wet and slippery ground are enhanced. The provision of the first axial groove 22 and the second axial groove 32 allows the bosses of the tire to be separated, improves the grip and stability of the tire, and is conducive to the operation and movement of the cleaning equipment on different grounds. The V-groove design helps to remove debris and dust between the bosses, improves the self-cleaning effect of the tire, and maintains the cleaning performance of the cleaning equipment after long-term use. By connecting the bosses to each other, the overall stability and durability of the tire are improved, the service life of the tire is extended, and the replacement cost is reduced.

[0033] The first cavity 7 includes a first side cavity 71, a first central cavity 72 and a second side cavity 73. The first side cavity 71 is located inside the first side boss 23, the second side cavity 73 is located inside the second side boss 25, and the first central cavity 72 is located inside the first central boss 24. The first side cavity 71 and the second side cavity 73 are both parallelograms and are symmetrically arranged with the first central cavity 72 as the center. Specifically, the second cavity 8 includes a third side cavity 81, a second central cavity 82 and a fourth side cavity 83. The third side cavity 81 is located inside the second side boss 25, the fourth side cavity 83 is located inside the fourth side boss 35, and the second central cavity 82 is located inside the second central boss 34. The third side cavity 81 and the fourth side cavity 83 are both parallelograms and are symmetrically arranged with the second central cavity 82 as the center. One end of the first side cavity 71 is opposite to one end of the fourth side cavity 83, and one end of the second side cavity 73 is opposite to one end of the third side cavity 81. In this embodiment, the arrangement of the first cavity 7 and the second cavity 8 makes the tire have better flexibility and elasticity, helps to adapt to the changes of different ground surfaces, and improves the controllability and flexibility of the cleaning equipment. Through the arrangement of the first side cavity 71, the first central cavity 72 and the second side cavity 73, a buffer area can be formed, which effectively reduces the impact and vibration between the tire and the ground, and has better stability when moving over obstacles. The arrangement of the first side cavity 71 and the second side cavity 73 and the third side cavity 81 and the fourth side cavity 83 in the shape of a parallelogram increases the stability and uniformity of the tire when under pressure, and improves the pressure resistance and durability of the tire. By symmetrically arranging the first side cavity 71 and the second side cavity 73 with the first central cavity 72 as the center, and symmetrically arranging the third side cavity 81 and the fourth side cavity 83 with the second central cavity 82 as the center, the pressure distribution inside the tire can be effectively optimized, and the stability and performance of the tire can be improved. Since the first side cavity 71 and the fourth side cavity 83 are opposite, and the second side cavity 73 and the third side cavity 81 are opposite, the vibration of the tire during movement is effectively reduced, providing a more stable obstacle crossing effect.

[0034] The number of the first grooves 5 and the number of the second grooves 6 are both 10 to 15. In this embodiment, the number of the first grooves 5 and the second grooves 6 is preferably 13. The design of 13 first grooves 5 and second grooves 6 avoids the speed range of conventional applications of hub motors and has good stability. According to tests, in the specified speed range of the cleaning driving process, the design of 13 grooves has better stability and better cleaning effect.

[0035] A wheel hub motor 9 adopts the above-mentioned tire structure and is provided with a rotor shell 91, and the tire body 1 is arranged on the rotor shell 91; the wheel hub motor 9 is provided with a rotating shaft 92, one end of the rotating shaft 92 is connected to the rotor shell 91, and the other end extends to the outside of the wheel hub motor 9. In this embodiment, an anti-skid tire structure is adopted, and the tire has good stability and anti-skid effect during driving. A cavity is provided on the inner side of the anti-skid boss, and the cavity is deformed by pressure during driving of the tire, so as to facilitate obstacle crossing during driving and improve obstacle crossing ability and stability. The design of the rotor shell 91 is adopted, and the rotor transmission stability is good during movement. Moreover, one end of the rotating shaft 92 extends out of the outside of the wheel hub motor 9 and can be connected to an auxiliary wheel set for use.

[0036] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A tire, characterized in that: It includes a tire body, a first anti-skid boss, a second anti-skid boss and a separating ring, wherein the separating ring is arranged on the outer circumference of the tire body, and the separating ring is used to separate the first anti-skid boss and the second anti-skid boss on both sides of the tire body, a plurality of first anti-skid bosses are arranged, and the plurality of first anti-skid bosses are evenly distributed on the outer circumference of the tire body in a circumferential direction, and a first groove is arranged between two adjacent first anti-skid bosses; a plurality of second anti-skid bosses are arranged, and the plurality of second anti-skid bosses are evenly distributed on the outer circumference of the tire body in a circumferential direction, and a second groove is arranged between two adjacent second anti-skid bosses, and the first groove and the second groove are staggered; a first cavity is arranged on the inner side of the first anti-skid boss, and a second cavity is arranged on the inner side of the second anti-skid boss.

2. The tire according to claim 1, characterized in that: A connecting cavity is arranged inside the tire body, a connecting positioning pin is arranged in the connecting cavity, and an assembly step is arranged at the opening of the connecting cavity.

3. The tire according to claim 1, characterized in that: The outer side surface of the first anti-skid boss is provided with a first drainage groove, and the outer side surface of the second anti-skid boss is provided with a second drainage groove; the first drainage groove penetrates along the outer diameter direction of the first anti-skid boss, and the second drainage groove penetrates along the outer diameter direction of the second anti-skid boss.

4. The tire according to claim 1, characterized in that: The first anti-slip boss is provided with a first axial groove, and the second anti-slip boss is provided with a second axial groove. The first axial groove penetrates along the axial direction of the first anti-slip boss, and the second axial groove penetrates along the axial direction of the second anti-slip boss.

5. The tire according to claim 4, characterized in that: The first anti-slip boss includes a first side boss, a first center boss and a second side boss, and the first side boss, the first center boss and the second side boss are arranged in sequence; the second anti-slip boss includes a third side boss, a second center boss and a fourth side boss, and the third side boss, the second center boss and the fourth side boss are arranged in sequence.

6. The tire according to claim 5, characterized in that: The first axial groove is a V-shaped groove and is used to separate the first side boss from the first center boss and the second side boss; the second axial groove is a V-shaped groove and is used to separate the third side boss from the second center boss and the fourth side boss.

7. The tire according to claim 5, characterized in that: One end of the first side boss is connected to one end of the fourth side boss, and one end of the second side boss is connected to one end of the third side boss.

8. The tire according to claim 5, characterized in that: The first cavity includes a first side cavity, a first central cavity and a second side cavity, wherein the first side cavity is located on the inner side of the first side boss, the second side cavity is located on the inner side of the second side boss, and the first central cavity is located on the inner side of the first central boss; the first side cavity and the second side cavity are both parallelogram-shaped and are symmetrically arranged with the first central cavity as the center; The second cavity includes a third side cavity, a second central cavity and a fourth side cavity, wherein the third side cavity is located on the inner side of the second side boss, the fourth side cavity is located on the inner side of the fourth side boss, and the second central cavity is located on the inner side of the second central boss; the third side cavity and the fourth side cavity are both parallelogram-shaped and are symmetrically arranged with the second central cavity as the center; One end of the first side cavity is opposite to one end of the fourth side cavity, and one end of the second side cavity is opposite to one end of the third side cavity.

9. The tire according to claim 1, characterized in that: The number of the first grooves and the number of the second grooves are both 10 to 15.

10. A hub motor, characterized in that: The tire comprises the tire described in any one of claims 1 to 9, wherein the wheel hub motor is provided with a rotor shell, and the tire body is provided on the rotor shell; the wheel hub motor is provided with a rotating shaft, one end of the rotating shaft is connected to the rotor shell, and the other end extends to the outside of the wheel hub motor.

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