Omnidirectional wheel with detachable rolling wheels

Abstract

The omnidirectional wheel with the detachable rolling wheels comprises a wheel framework and the rolling wheels, a plurality of rolling wheel installation positions are arranged on the periphery of the wheel framework, and the rolling wheels are installed on the rolling wheel installation positions of the wheel framework. The wheel framework comprises two symmetrically-arranged half frameworks, the two half frameworks are detachably connected, each half framework comprises a large framework and a small framework, the large frameworks and the small frameworks are detachably connected, and the separation position of the two half frameworks is located at the rolling wheel installation position. The separation position of the small framework and the large framework is located between two adjacent idler wheel installation positions in the half frameworks, at least two idler wheel installation positions are arranged between the separation positions of all the frameworks at intervals, and lateral installation holes are formed in the positions, on the two sides of the idler wheel installation positions, of the wheel framework. All the rolling wheels can be quickly disassembled and assembled through disassembly and assembly of the framework, the number of parts is smaller, the number of steps is smaller, and therefore assembly and maintenance of the rolling wheels are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of omnidirectional wheels, in particular to an omnidirectional wheel with detachable rolling wheels. Background Art

[0002] An omnidirectional wheel is a wheel with multiple rolling wheels evenly arranged on the outer circumference. The rotation direction of the rolling wheels is tangent to the rotation direction of the entire omnidirectional wheel, thereby achieving free movement in multiple directions.

[0003] Among them, one basic structure of an omnidirectional wheel is to achieve lateral rolling by staggering large and small wheels. This design requires the separate disassembly and assembly of the large and small wheels to facilitate subsequent assembly and maintenance. In some existing designs, the rolling wheels are installed by installing large and small wheels on both sides of a wheel axle fixing plate, and then all the rolling wheels are detachably connected by the wheel axle fixing plate and the middle drive connector. This design has many parts and is cumbersome to assemble. It is necessary to provide a rolling wheel assembly structure that is easier to disassemble and assemble. Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides an omnidirectional wheel with a detachable rolling wheel, which makes assembly and maintenance of the rolling wheel more convenient.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] In a first aspect, the present invention provides an omnidirectional wheel with a detachable rolling wheel, comprising a wheel frame and a rolling wheel, wherein a plurality of roller mounting positions are provided on the periphery of the wheel frame, and the rolling wheel is mounted on the roller mounting positions of the wheel frame;

[0007] The wheel frame includes two symmetrically arranged half-frames, which are detachably connected to each other. Each half-frame includes a large frame and a small frame, and the large frame and the small frame are detachably connected. The separation position of the two half-frames is located at the roller mounting position, and the separation position of the small frame and the large frame is located between two adjacent roller mounting positions in the half-frames. There are at least two roller mounting positions between the separation positions of all the frames, and the wheel frame is provided with lateral mounting holes on both sides of the roller mounting position.

[0008] The beneficial effect of the present invention is that the separation position of the half-skeleton is set on the roller mounting position, so that the two rolling wheels here can be disassembled. After that, a detachable small skeleton is set every two roller mounting positions to separate the two rolling wheels here. Therefore, all the rolling wheels can be quickly disassembled and assembled through the disassembly and assembly of the skeleton, with fewer parts and fewer steps, which facilitates the assembly and maintenance of the rolling wheels.

[0009] Optionally, the wheel frame includes an annular portion in the middle and a plurality of U-shaped lateral portions extending uniformly outward from the periphery of the annular portion, each of the lateral portions is provided with lateral mounting holes arranged in a front-to-rear manner on one side, and the roller mounting positions are formed in the U-shaped interior of the lateral portion and between adjacent lateral portions respectively;

[0010] The small skeleton is one of the lateral parts.

[0011] Optionally, a first locking hole with a vertical bottom is opened at the bottom of the small frame, and a through hole is passed through the large frame from the inside to the outside at a position corresponding to the first locking hole, and the corresponding locking accessory passes through the through hole and is detachably connected to the first locking hole.

[0012] Optionally, the small frame is provided with a first positioning portion on the connecting end face with the large frame, the first locking hole is provided on the first positioning portion, the large frame is provided with a second positioning portion on the connecting end face with the small frame, the through hole is provided on the second positioning portion, and the first positioning portion and the second positioning portion are positioned and assembled.

[0013] Optionally, the first positioning portion is a flange, and the second positioning portion is a slot.

[0014] According to the above description, it can be seen that rapid positioning and assembly are performed through the flange and the slot, and rapid disassembly and assembly of the large frame and the small frame are achieved through the design of the first locking hole and the through hole.

[0015] Optionally, the large frame and the small frame are respectively integrally formed parts.

[0016] Optionally, a hubcap is further included, one hubcap is provided on each side of the wheel frame, a plurality of second locking holes are evenly distributed on the annular portion in the middle of the wheel frame and pass through the wheel frame, the hubcap is positioned and assembled with the two sides of the wheel frame through the second locking holes, and the assembly position includes two half frames, the hubcap and the wheel frame are coaxially arranged, and the middle is a drive installation position;

[0017] The through hole passes through the second locking hole.

[0018] According to the above description, the assembly of the two half frames is achieved by cooperating with the hub cover through multiple second locking holes running through the upper and lower parts. At the same time, the through holes pass through the second locking holes, which reduces the opening space of the wheel frame and ensures the mechanical strength and mechanical stability of the wheel frame.

[0019] Optionally, the second locking hole is located between two adjacent roller mounting positions.

[0020] Optionally, the surface of the scroll wheel has patterns. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an overall schematic diagram of an omnidirectional wheel with a detachable rolling wheel according to an embodiment of the present utility model;

[0022] Figure 2 A perspective schematic diagram of a wheel frame according to an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of a disassembly of a wheel frame according to an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of secondary disassembly of a wheel frame according to an embodiment of the present utility model;

[0025] Figure 5 This is a schematic diagram of the coordination of the large frame and the small frame involved in an embodiment of the present utility model;

[0026] Figure 6 This is a disassembly diagram of a hub cover according to an embodiment of the present invention.

[0027] Description of reference numerals:

[0028] 100, omnidirectional wheels;

[0029] 1. Wheel frame; 11. Half frame; 111. Large frame; 1111. Through hole; 1112. Slot; 112. Small frame; 1121. First locking hole; 1122. Flange; 12. Annular portion; 121. Second locking hole; 13. Lateral portion; 131. Lateral mounting hole; 14. Roller mounting position; 15. Drive mounting position;

[0030] 2. Rolling wheel; 21. Large wheel; 22. Small wheel; 23. Pattern;

[0031] 3. Hub cover; 31. Third locking hole;

[0032] 4. Lock accessories. DETAILED DESCRIPTION

[0033] To better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0034] Example 1

[0035] Please refer to Figures 1 to 6The present invention provides an omnidirectional wheel with a detachable rolling wheel, comprising a wheel frame 1 and a rolling wheel 2. A plurality of roller mounting positions 14 are provided around the wheel frame 1, and the rolling wheel 2 is mounted on the roller mounting position 14 of the wheel frame 1. In this embodiment, the rolling wheel 2 comprises a large wheel 21 and a small wheel 22, which are staggeredly arranged at the roller mounting position 14 to ensure that the omnidirectional wheel 100 can achieve lateral rolling at any position.

[0036] In this embodiment, the wheel frame 1 includes two symmetrically arranged half-frames 11, which are detachably connected to each other. The separation position of the two half-frames 11 is located at the roller mounting position 14. Therefore, after the two half-frames 11 are disassembled, the two roller mounting positions 14 are released, thereby completing the disassembly of the two rolling wheels 2. At this time, each half-frame 11 includes a large frame 111 and a small frame 112. The large frame 111 and the small frame 112 are detachably connected to each other. The separation position of the small frame 112 and the large frame 111 is located between two adjacent roller mounting positions 14 in the half-frame 11. There are at least two roller mounting positions 14 between the separation positions of all frames. Figures 2 to 4 It can be seen that in this embodiment, there are a total of twelve roller mounting positions 14, corresponding to six large wheels 21 and small wheels 22. Each half-frame 11 has five complete roller mounting positions 14 and two half roller mounting positions 14. Since the separation position is separated by two roller mounting positions 14, only the roller mounting position 14 in the middle of the half-frame 11 needs to be disassembled, that is, the entire wheel frame 1 is as follows. Figure 4 As shown, the wheel frame 1 is divided into four frames, and all the rolling wheels 2 can be assembled and disassembled through the lateral mounting holes 131 provided on both sides of the roller mounting position 14 of the wheel frame 1.

[0037] The rolling wheel 2 is mounted on the wheel frame 1 by passing the locking attachment 4 through the lateral mounting hole 131. In this embodiment, the locking attachment 4 is a semi-plain bolt, one side of which has a threaded lateral mounting hole 131. The semi-plain bolt passes through the rolling wheel 2 and is threadedly connected to the lateral mounting hole 131, thereby achieving rapid disassembly of the rolling wheel 2. It should be noted that the roller mounting position 14 at the separation position of the two half-frames 11 is achieved by pulling the locking attachment 4 left and right to achieve rapid disassembly of the rolling wheel 2. That is, when the two half-frames 11 are pulled apart, the rolling wheel 2 can be separated from the two half-frames 11.

[0038] Thus, all the rolling wheels 2 can be quickly disassembled and assembled by disassembling and assembling the frame, with fewer parts and fewer steps, thereby facilitating the assembly and maintenance of the rolling wheels 2 .

[0039] Example 2

[0040] Please refer to Figures 1 to 6The present invention provides an omnidirectional wheel with a detachable rolling wheel. Based on the above embodiment 1, the structure of the wheel frame 1 is further defined as follows:

[0041] In this embodiment, the wheel frame 1 includes an annular portion 12 in the middle and a plurality of U-shaped lateral portions 13 extending uniformly outward from the periphery of the annular portion 12. Each side of the lateral portion 13 is provided with lateral mounting holes 131 arranged in a front-to-rear manner. Roller mounting positions 14 are formed inside the U-shaped portion of the lateral portion 13 and between adjacent lateral portions 13, respectively. In this way, the rolling wheel 2 on each roller mounting position 14 can be disassembled and assembled through the lateral mounting holes 131. Figure 4 It can be seen that the small frame 112 is one of the lateral portions 13 .

[0042] Reference Figure 4 and Figure 5 It can be seen that the small frame 112 is provided with a first positioning portion on the end surface connected to the large frame 111, and a first locking hole 1121 with a vertical bottom is provided at the bottom of the first positioning portion; the large frame 111 is provided with a second positioning portion on the end surface connected to the small frame 112, and a through hole 1111 is passed through from the inside to the outside at the position corresponding to the first locking hole 1121. Thus, the first positioning portion and the second positioning portion are positioned and assembled, and the corresponding locking component 4 passes through the through hole 1111 and is detachably connected to the first locking hole 1121. Among them, the interior of the large frame 111 is the middle of the wheel frame 1, so that the small frame 112 can be disassembled from the inside out without disassembling the rolling wheel 2, releasing the roller mounting position 14, and completing the quick disassembly of the rolling wheel 2. Among them, the locking component 4 here is a screw, which is threadedly connected to the first locking hole 1121.

[0043] In this embodiment, the first positioning portion is a flange 1122 and the second positioning portion is a slot 1112, and positioning and assembly are achieved through the flange 1122 and the slot 1112. In other embodiments, the first positioning portion is a groove design and the second positioning portion is a protrusion design, and both can also achieve positioning and assembly.

[0044] Therefore, considering the structure of the wheel frame 1, the number of roller mounting positions 14 is preferably 4N, where N is a positive integer greater than 1, such as 8, 12, 16, etc. The above number can be determined according to the size of the entire omnidirectional wheel 100. For example, the wheel frame 1 of the 10-inch omnidirectional wheel 1001 in this embodiment is designed with 12 roller mounting positions 14.

[0045] In this embodiment, the large frame 111 and the small frame 112 are integrally formed parts.

[0046] In this embodiment, the omnidirectional wheel 100 also includes a hub cover 3, which is provided on both sides of the wheel frame 1. The annular portion 12 in the middle of the wheel frame 1 is evenly distributed with multiple second locking holes 121 running through it from top to bottom. The hub cover 3 and the two sides of the wheel frame 1 are positioned and assembled through the second locking holes 121, and the assembly position includes two half-frames 11. The hub cover 3 is coaxially arranged with the wheel frame 1, and the middle is a drive mounting position 15 for installing related components that can drive the omnidirectional wheel 100 to rotate, such as mounting flanges, etc.

[0047] In this embodiment, the locking accessory 4 between the hub cover 3 and the wheel frame 1 is a combination of a semi-polished bolt and a nut. The nut is located on one side of one of the hub covers 3. The semi-polished bolt passes through the second locking hole 121 on the third locking hole 31 of one of the hub covers 3 and the third locking hole 31 of the other hub cover 3 and is locked with the nut. After locking, the positioning assembly of the hub cover 3 and the wheel frame 1 is achieved.

[0048] In this embodiment, the second locking hole 121 is located between two adjacent roller mounting positions 14, that is, the first locking hole 1121 is located at the connection between the lateral portion 13 and the annular portion 12. This area has a large surface area and high mechanical strength, and the hole design does not affect the mechanical performance of the omnidirectional wheel 100. At the same time, the through hole 1111 passes through the second locking hole 121, that is, the two holes are interconnected, which can reduce the opening space of the main frame 111 and ensure the mechanical strength and stability of the main frame 111.

[0049] The surface of the rolling wheel 2 has a pattern 23, such as a wavy pattern arranged along the overall rotation direction of the omnidirectional wheel 100 in this embodiment, which can reduce the vibration and noise during forward and sideways walking without affecting the grip of walking.

[0050] Therefore, in this embodiment, the omnidirectional wheel 100 consisting of six large wheels 21 and six small wheels 22 is taken as an example, and the description of the disassembly process of the rolling wheel 2 is as follows:

[0051] (1) The small wheel 22 on the small frame 112 is first assembled on the lateral part 13. For the large wheels 21 on both sides of the position corresponding to the small frame 112, the locking component 4 first fixes the large wheels 21 on the corresponding lateral part 13. At this time, the small frame 112 with the small wheel 22 installed is inserted into the end surface with the frustum-like groove on the two large wheels 21. The locking component 4 is locked and connected with the first locking hole 1121 through the through hole 1111 to realize the connection between the small frame 112 and the large frame 111. Then, the locking component 4 on the large wheels 21 on both sides of the position corresponding to the small frame 112 is locked to the lateral mounting hole 131 of the small frame 112.

[0052] (2) Then, the small wheels 22 on the two side parts 13 on both sides of the large frame 111 are installed, completing the installation of the ten rolling wheels 2 on the two half frames 11 except the separated positions.

[0053] (3) For the two large wheels 21 at the separation position of the half-skeleton 11, the large wheel 21 is first fixed on one of the half-skeletons 11, and then the large wheel 21 is plugged in and installed when the two half-skeletons 11 are closed. This can realize the installation of the large wheel 21 here and the assembly of the two half-skeletons 11 at the same time.

[0054] (4) The two half-frames 11 are fixed through the hub cover 3 to realize the assembly of the entire omnidirectional wheel 100.

[0055] On the other hand, the hubcap 3 is first disassembled; the two half-frames 11 are pulled apart in half, and the two large wheels 21 at the separated position of the half-frames 11 are removed; the small wheels 22 on the two side portions 13 on both sides of the large frame 111 are removed laterally; then the remaining two large wheels 21 on the half-frames 11 are unfastened, the small frames 112 are unfastened, the last small wheel 22 is pulled out, and finally the remaining two large wheels 21 are removed, thus completing the disassembly of the entire omnidirectional wheel 100. In summary, the design of the omnidirectional wheel 100 of the present invention facilitates the assembly and maintenance of the rolling wheel 2.

[0056] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0057] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0058] In the present invention, unless otherwise expressly specified or limited, when a first feature is “above” or “below” a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above,” “above,” or “above” a second feature, it may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is “below,” “below,” or “below” a second feature, it may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0059] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0060] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An omnidirectional wheel with a detachable rolling wheel, characterized in that: It includes a wheel frame and a rolling wheel, wherein a plurality of roller mounting positions are provided on the periphery of the wheel frame, and the rolling wheel is mounted on the roller mounting positions of the wheel frame; The wheel frame includes two symmetrically arranged half-frames, which are detachably connected to each other. Each half-frame includes a large frame and a small frame, and the large frame and the small frame are detachably connected. The separation position of the two half-frames is located at the roller mounting position, and the separation position of the small frame and the large frame is located between two adjacent roller mounting positions in the half-frames. There are at least two roller mounting positions between the separation positions of all the frames, and the wheel frame is provided with lateral mounting holes on both sides of the roller mounting position.

2. The omnidirectional wheel with detachable rolling wheels according to claim 1, characterized in that: The wheel frame includes an annular portion in the middle and a plurality of U-shaped lateral portions extending uniformly outward from the periphery of the annular portion. A side of each of the lateral portions is provided with lateral mounting holes arranged in a front-to-rear manner. The U-shaped interior of the lateral portion and between adjacent lateral portions respectively form the roller mounting positions. The small skeleton is one of the lateral parts.

3. The omnidirectional wheel with detachable rolling wheels according to claim 1, characterized in that: The bottom of the small frame is provided with a first locking hole at the bottom vertically, and the large frame is penetrated by a through hole from inside to outside at a position corresponding to the first locking hole, and the corresponding locking accessory passes through the through hole and is detachably connected to the first locking hole.

4. The omnidirectional wheel with detachable rolling wheels according to claim 3, characterized in that: The small frame is provided with a first positioning portion on the connecting end face with the large frame, and the first locking hole is provided on the first positioning portion. The large frame is provided with a second positioning portion on the connecting end face with the small frame, and the through hole is provided on the second positioning portion. The first positioning portion and the second positioning portion are positioned and assembled.

5. The omnidirectional wheel with detachable rolling wheels according to claim 4, characterized in that: The first positioning portion is a flange, and the second positioning portion is a slot.

6. The omnidirectional wheel with detachable rolling wheels according to claim 3, characterized in that: The large frame and the small frame are respectively integrally formed parts.

7. The omnidirectional wheel with detachable rolling wheels according to claim 3, characterized in that: The wheel frame further comprises a hub cover, one of which is provided on each side of the wheel frame, and a plurality of second locking holes are evenly distributed on the annular portion in the middle of the wheel frame and pass through the wheel frame. The hub cover and the two sides of the wheel frame are positioned and assembled through the second locking holes, and the assembly position includes two half frames. The hub cover and the wheel frame are coaxially arranged, and the middle is a drive installation position; The through hole passes through the second locking hole.

8. The omnidirectional wheel with detachable rolling wheels according to claim 7, characterized in that: The second locking hole is located between two adjacent roller mounting positions.

9. The omnidirectional wheel with detachable rolling wheels according to claim 1, characterized in that: The surface of the rolling wheel has patterns.

Images