Electric hollow drive wheel body and ball cart
By using the external rotor of the motor to drive the synchronous gear and synchronous belt, combined with the friction of the rubber tire, the problem of inconvenient driving of the electric ball bag car is solved, achieving the effect of convenient driving and simple structure.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUCKY LINK (JIA XING) EV TECH CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-24
AI Technical Summary
The existing electric ball bag vehicle has an inconvenient drive system, a complex structure, and is difficult to move efficiently.
The motor uses an external rotor inside a fixed housing to drive a synchronous gear, which in turn drives an inner wheel ring via a synchronous belt. This is achieved through friction between a plastic bearing and a rubber tire, resulting in a simple structure and convenient operation.
This enables convenient driving of electric ball bag carts, reduces costs, and improves assembly tightness and selection diversity.
Smart Images

Figure CN224540917U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ball bag vehicle technology, specifically to an electric hollow drive wheel body and a ball bag vehicle. Background Technology
[0002] A golf bag cart, usually referring to a golf bag cart, is a trolley or cart specifically designed to transport golf bags. They are generally divided into hand-push golf bag carts and electric golf bag carts. Hand-push golf bag carts are lightweight and foldable, and are manually pushed, while electric golf bag carts are suitable for long courses, eliminating the need for manual pushing and pulling.
[0003] Electric golf bag carts are popular among golf enthusiasts because they are more automated and convenient to move around. However, existing electric golf bag carts have inconvenient drive mechanisms and overly complex structures, making them difficult to drive smoothly. Summary of the Invention
[0004] In view of the above-mentioned shortcomings of the existing technology, the present invention provides an electric hollow drive wheel body and a ball bag car, which can effectively solve the problem that the electric ball bag car is not convenient to drive in the existing technology.
[0005] To achieve the above objectives, this utility model provides the following technical solution: This utility model provides an electric hollow drive wheel body and a ball-shaped vehicle, including an inner wheel rim. A motor mounting housing is provided at one end of the inner wheel rim, and an outer motor rotor is provided inside the motor mounting housing. An outer wheel rim is rotatably connected to the circumferential surface of the inner wheel rim. A plastic bearing is provided on the circumferential surface of the outer wheel rim, and a side locking ring is provided at one end of the plastic bearing. A rubber tire is fixedly connected to the circumferential surface of the side locking ring. A gear ring is fixedly connected to the circumferential surface of the inner wheel rim. A synchronous gear is rotatably connected to the inner wall of one side of the inner wheel rim. The synchronous gear is fixedly connected to the output end of the outer motor rotor. A synchronous belt meshes with both the circumferential surface of the synchronous gear and the circumferential surface of the inner wheel rim.
[0006] Furthermore, it also includes a folding center frame, both ends of which are rotatably connected to rear wheel support via a pivot, and one end of each of the two rear wheel support is rotatably connected to a rear wheel main support via a pivot, one of which is fixedly connected to the inner wheel rim.
[0007] Furthermore, an aluminum alloy vertical tube is rotatably connected inside the folding center frame, and a rear wheel folding slider is fixedly connected to one end of the folding center frame. Two vertical tube supports are rotatably connected between the rear wheel folding slider and the aluminum alloy vertical tube.
[0008] Furthermore, a rear wheel folding rod is movably hinged between each of the two rear wheel sub-supports and both ends of the folding center frame. An aluminum alloy horizontal tube is slidably connected inside the rear wheel folding slider. One end of the aluminum alloy horizontal tube is fixedly connected to a ball-shaped lower support. One end of the ball-shaped lower support is fixedly connected to two front wheel longitudinal bars. One end of each of the two front wheel longitudinal bars is fixedly connected to a front wheel connecting seat. A swivel wheel is provided at the lower end of each of the two front wheel connecting seats.
[0009] Furthermore, a battery pack is fixedly connected to the lower end of the folding center frame, and the battery pack is electrically connected to the motor rotor inside the motor mounting housing.
[0010] Furthermore, a handrail rotating rod is rotatably connected to the upper end of the aluminum alloy riser, and a ball-shaped support is fixedly connected to one end of the aluminum alloy riser.
[0011] Furthermore, one end of the armrest rotating rod is fixedly connected to an armrest, and a cup holder is fixedly connected to the circumferential surface of the armrest.
[0012] Furthermore, a storage box is fixedly connected to the circumferential surface of the handrail, and a mesh bag is fixedly connected to the lower end of the storage box.
[0013] Beneficial effects The technical solution provided by this utility model has the following advantages compared with the known prior art: 1. The synchronous gear is driven to rotate by the outer rotor of the motor inside the motor housing. Then, the synchronous belt that meshes with the outer rotor starts to rotate, which in turn drives the inner wheel to rotate. Then, the plastic bearing, side locking ring and rubber tire rotate. Through the rotation of the rubber tire and the friction with the ground, the device can be driven to roll on the ground, thus making the device move. The structure of this device is simple and the drive is convenient. It can complete the drive of the device while saving costs. Second, the outer wheel rim can be connected through the rear wheel main support, which allows the automatic device to be fixed and improves the versatility of the device. The left and right rolling devices can be assembled through the folding center frame, rear wheel sub-support and rear wheel folding slider, which improves the assembly tightness of the device. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a front perspective view of the present invention; Figure 2 For the present utility model Figure 1 A magnified view of a section at point A in the middle; Figure 3 This is a side perspective view of the present invention; Figure 4 This is a perspective view of the main cross-section of the present invention; Figure 5 For the present utility model Figure 4 A magnified view of a section at point B in the middle.
[0016] Reference numerals: 1. Front wheel crossbar; 2. Front wheel connecting seat; 3. Front wheel longitudinal bar; 4. Lower support for the golf bag; 5. Aluminum alloy horizontal tube; 6. Synchronizing gear; 7. Rear wheel folding slider; 8. Rear wheel folding lever; 9. Rear wheel secondary support; 10. Stem tube support; 11. Folding center frame; 12. Aluminum alloy stem tube; 13. Upper support for the golf bag; 14. Battery pack; 15. Inner rim; 16. Rubber tire; 17. Side lock ring; 18. Plastic bearing; 19. Cup holder; 20. Handrail rotating rod; 21. Net bag; 22. Handrail; 23. Swivel wheel; 24. Rear wheel main support; 25. Motor mounting housing; 26. Outer rim. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0018] The present invention will be further described below with reference to the embodiments.
[0019] See attached document Figure 1-5 An electric hollow drive wheel body and a ball-shaped vehicle include an inner wheel rim 15, a motor mounting housing 25 at one end of the inner wheel rim 15, an outer motor rotor inside the motor mounting housing 25, an outer wheel rim 26 rotatably connected to the circumferential surface of the inner wheel rim 15, a plastic bearing 18 on the circumferential surface of the outer wheel rim 26, a side locking ring 17 at one end of the plastic bearing 18, a rubber tire 16 fixedly connected to the circumferential surface of the side locking ring 17, a gear ring fixedly connected to the circumferential surface of the inner wheel rim 15, a synchronous gear 6 rotatably connected to one inner wall of the inner wheel rim 15, the synchronous gear 6 fixedly connected to the output end of the outer motor rotor, and a synchronous belt meshing with both the circumferential surface of the synchronous gear 6 and the circumferential surface of the inner wheel rim 15.
[0020] In a specific embodiment of this utility model, the outer rotor of the motor inside the motor housing 25 drives the synchronous gear 6 to rotate, and then the synchronous belt meshing with its circumferential surface begins to rotate, synchronously driving the inner wheel 15 to rotate. Then the plastic bearing 18, the side locking ring 17 and the rubber tire 16 rotate. Through the rotation of the rubber tire 16 and the friction with the ground, the device can be driven to roll on the ground, thereby making the device start to move. The structure of this device is simple and the drive is convenient. It can complete the drive of the device while saving costs.
[0021] Please refer to the details. Figure 1-5 Both ends of the folding center frame 11 are rotatably connected to rear wheel auxiliary supports 9 via pivots. One end of each of the two rear wheel auxiliary supports 9 is rotatably connected to a rear wheel main support 24 via a pivot. One of the rear wheel main supports 24 is fixedly connected to the inner wheel rim 15. An aluminum alloy vertical tube 12 is rotatably connected inside the folding center frame 11, and a rear wheel folding slider 7 is fixedly connected to one end of the folding center frame 11. Two vertical tube supports 10 are rotatably connected between the rear wheel folding slider 7 and the aluminum alloy vertical tube 12.
[0022] In this embodiment: the outer wheel rim 26 can be connected through the rear wheel main support 24, so that the automatic device can be fixed and the selection versatility of the device can be improved. The left and right rolling devices can be assembled by folding the center frame 11, the rear wheel secondary support 9 and the rear wheel folding slider 7, thereby improving the assembly tightness of the device.
[0023] Please refer to the details. Figure 1-5 The two rear wheel auxiliary supports 9 are movably hinged to both ends of the folding center frame 11 with rear wheel folding rods 8. An aluminum alloy horizontal tube 5 is slidably connected inside the rear wheel folding slider 7. One end of the aluminum alloy horizontal tube 5 is fixedly connected to the ball bag lower support 4. One end of the ball bag lower support 4 is fixedly connected to two front wheel longitudinal bars 3. One end of each of the two front wheel longitudinal bars 3 is fixedly connected to a front wheel connecting seat 2. The lower end of each of the two front wheel connecting seats 2 is provided with a swivel front wheel 23.
[0024] In this embodiment: the rear wheel folding rod 8 can improve the connection tightness between the rear wheel sub-support 9 and the folding center frame 11. The front frame is composed of aluminum alloy horizontal tube 5, ball bearing lower support 4, front wheel longitudinal bar 3 and front wheel connecting seat 2. A swivel front wheel 23 is provided at the lower end of the front wheel connecting seat 2 to form the front moving mechanism of this device, which facilitates the movement of this device.
[0025] Please refer to the details. Figure 1-5A battery pack 14 is fixedly connected to the lower end of the folding center frame 11. The battery pack 14 is electrically connected to the motor rotor inside the motor mounting housing 25. A handrail rotating rod 20 is rotatably connected to the upper end of the aluminum alloy upright tube 12. A ball-shaped support 13 is fixedly connected to one end of the aluminum alloy upright tube 12. A handrail 22 is fixedly connected to one end of the handrail rotating rod 20. A water cup holder 19 is fixedly connected to the circumferential surface of the handrail 22. A storage box is fixedly connected to the circumferential surface of the handrail 22. A net bag 21 is fixedly connected to the lower end of the storage box.
[0026] In this embodiment: the battery pack 14 can drive the motor rotor to rotate, the rotation of the armrest rotation rod 20 can adjust the grip angle of the armrest 22, the water cup holder 19 can be used to hang water cups, the net bag 21 can be used to place items, and similarly, the storage box can also be used to place items.
[0027] Preferably, a front wheel crossbar 1 is fixedly connected to the adjacent ends of the two front wheel connecting seats 2, thereby improving the connection strength of the two front wheel connecting seats 2.
[0028] Working principle: The outer rotor of the motor inside the motor housing 25 drives the synchronous gear 6 to rotate, and then the rubber tire 16, which meshes with the outer rotor of the motor, begins to rotate, synchronously driving the inner wheel rim 15 to rotate. Then the plastic bearing 18, the side locking ring 17 and the rubber tire 16 rotate. Through the rotation of the rubber tire 16 and the friction with the ground, the device can be driven to roll on the ground, thereby making the device move. The structure of this device is simple and the drive is convenient. It can complete the drive of the device while saving costs.
[0029] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.
Claims
1. An electric hollow drive wheel body and a ball-shaped vehicle, comprising an inner wheel rim (15), characterized in that: One end of the inner wheel rim (15) is provided with a motor fixing shell (25), and the motor fixing shell (25) is provided with an outer rotor of the motor. The circumferential surface of the inner wheel rim (15) is rotatably connected to an outer wheel rim (26). The circumferential surface of the outer wheel rim (26) is provided with a plastic bearing (18). One end of the plastic bearing (18) is provided with a side locking ring (17). The circumferential surface of the side locking ring (17) is fixedly connected to a rubber tire (16). The circumferential surface of the inner wheel rim (15) is fixedly connected to a gear ring. One side of the inner wall of the inner wheel rim (15) is rotatably connected to a synchronous gear (6). The synchronous gear (6) is fixedly connected to the output end of the motor outer rotor. The circumferential surface of the synchronous gear (6) and the circumferential surface of the inner wheel rim (15) are both meshed and connected to a synchronous belt.
2. The electric hollow drive wheel body and the globe car according to claim 1, characterized in that, It also includes a folding center frame (11), both ends of which are rotatably connected to a rear wheel sub-support (9) via a rotating shaft. One end of each of the two rear wheel sub-supports (9) is rotatably connected to a rear wheel main support (24) via a rotating shaft. One of the rear wheel main supports (24) is fixedly connected to the inner wheel rim (15).
3. The electric hollow drive wheel body and spherical car according to claim 2, characterized in that, An aluminum alloy vertical tube (12) is rotatably connected inside the folding center frame (11), and a rear wheel folding slider (7) is fixedly connected to one end of the folding center frame (11). Two vertical tube supports (10) are rotatably connected between the rear wheel folding slider (7) and the aluminum alloy vertical tube (12).
4. The electric hollow drive wheel body and spherical bag car according to claim 3, characterized in that, The two rear wheel support brackets (9) are movably hinged to both ends of the folding center frame (11) with rear wheel folding rods (8). An aluminum alloy horizontal tube (5) is slidably connected inside the rear wheel folding slider (7). A ball bag lower support (4) is fixedly connected to one end of the aluminum alloy horizontal tube (5). Two front wheel longitudinal bars (3) are fixedly connected to one end of the ball bag lower support (4). A front wheel connecting seat (2) is fixedly connected to one end of each of the two front wheel longitudinal bars (3). A swivel front wheel (23) is provided at the lower end of each of the two front wheel connecting seats (2).
5. The electric hollow drive wheel body and spherical car according to claim 4, characterized in that, The lower end of the folding center frame (11) is fixedly connected to a battery pack (14), and the battery pack (14) is electrically connected to the motor rotor inside the motor mounting housing (25).
6. The electric hollow drive wheel body and globe car according to claim 5, characterized in that, The upper end of the aluminum alloy riser (12) is rotatably connected to a handrail rotating rod (20), and one end of the aluminum alloy riser (12) is fixedly connected to a ball bag support (13).
7. The electric hollow drive wheel body and globe car according to claim 6, characterized in that, One end of the armrest rotating rod (20) is fixedly connected to the armrest (22), and a water cup holder (19) is fixedly connected to the circumferential surface of the armrest (22).
8. The electric hollow drive wheel body and spherical car according to claim 7, characterized in that, A storage box is fixedly connected to the circumferential surface of the handrail (22), and a net bag (21) is fixedly connected to the lower end of the storage box.