Electric bicycle hub quick to disassemble and easy to maintain and using method thereof

Abstract

The invention relates to the field of vehicle parts, in particular to a quick-release and easy-to-maintain electric bicycle hub and a using method thereof.The quick-release and easy-to-maintain electric bicycle hub comprises a hub body, a rim, spokes and a center sleeve shaft, the rim is connected to the center sleeve shaft through the spokes, the spokes are arranged at equal intervals in the circumferential direction of the center sleeve shaft, and the center sleeve shaft is arranged at the center of the rim; the central sleeve shaft and the left side cover plate are integrally formed; the left side cover plate is arranged on one side of the hub body, and the hub body and the left side cover plate are integrally formed; and the right side cover plate is arranged on the side, away from the left side cover plate, of the hub body, and the right side cover plate is detachably connected with the hub body. The electric bicycle hub has the effect of improving the disassembly, assembly and maintenance efficiency of the electric bicycle hub.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle parts, in particular to a quick-release easy-to-maintain electric bicycle hub and a use method thereof. BACKGROUND

[0002] The current electric bicycle industry is developing rapidly, and the electric bicycle hub, as an important part of the vehicle, directly affects the overall performance of the vehicle and the user experience.

[0003] Most of the existing electric bicycle hubs use a double-sided cover plate to protect the internal drive structure such as the hub drum and the hub motor in the middle of the hub. The axle rotates in the two-sided cover plate through the bearing, and the two ends of the axle protrude from the two-sided cover plate. After the internal drive structure is installed, the two-sided cover plate is rigidly connected to the edge of the hub through bolts and other fasteners to form a structure similar to a "circular ring with both ends fixed". The core function of this structure is to resist the centrifugal force when the hub rotates and the radial / axial force generated by the road impact: for example, when the vehicle turns, the hub will be subjected to a lateral force, and the two-sided cover plate will disperse the force to the entire hub through symmetrical force to avoid single-sided deformation. After the two-sided cover plate is fixed, the two ends of the axle are inserted into the mounting hole of the hub of the frame, one end is fixed to the frame, and the other end is first installed with the brake structure. After the brake structure is installed, the free state of the axle is fixed to the frame.

[0004] The double-sided cover plate design requires that when the internal drive structure of the electric bicycle hub needs to be repaired, the two-sided cover plate must be removed to repair and maintain the internal parts of the hub. If only one side of the cover plate is removed, only a single bearing supports the internal parts (such as the motor rotor and the hub drum). After the internal parts lose one side of the support and positioning, they may shift due to gravity or accidental touch. When reinstalled, there is a possibility that the shaft cannot be accurately inserted into the other side of the bearing or the center axes of the hub and the shaft are misaligned, which may damage the concentricity and require special tools (such as a dial gauge and a positioning mandrel) to recalibrate the concentricity of the double-sided bearings. However, this process is difficult to complete in a non-professional repair scenario, and the hub needs to be taken to the manufacturer to correct the position of the bearings on both sides of the cover plate and the hub drum and other parts inside the hub. This results in low disassembly and repair efficiency of existing electric bicycles, which is not conducive to the repair of electric bicycle hubs outside. SUMMARY

[0005] To improve the disassembly and repair efficiency of the electric bicycle hub, the present application provides a quick-release easy-to-maintain electric bicycle hub and a use method thereof.

[0006] In one aspect, the present application provides a quick-release easy-to-maintain electric bicycle hub, which adopts the following technical solution: A quick-release easy-to-maintain electric bicycle hub, comprising: The hub body comprises a rim, spokes and a central sleeve shaft, the rim is connected to the central sleeve shaft through the spokes, the spokes are equidistantly arranged along the central sleeve shaft, the central sleeve shaft is arranged at the center position of the rim, and the central sleeve shaft is integrally formed with the left side cover plate; The left side cover plate is arranged on one side of the hub body, and the hub body and the left side cover plate are integrally formed. The right side cover plate is arranged on the side of the hub body away from the left side cover plate, and the right side cover plate is detachably connected with the hub body.

[0007] By adopting the above technical scheme, in the production process, the hub body and the left side cover plate are integrally formed, avoiding the cumbersome steps of separately processing the hub body and the left side cover plate and then assembling them, reducing the assembly process. In the subsequent use and maintenance link, since the hub body and the left side cover plate are integrally formed, the left side cover plate can remain stationary as a stable reference. When the electric bicycle hub needs to be maintained, only the other side components need to be operated, without completely disassembling the hub to find the maintenance reference as in the traditional double-side cover plate hub, reducing the complexity of maintenance and greatly shortening the maintenance time. At the same time, the integrally formed structure can also enhance the overall strength and stability of the hub, better withstand various loads during hub rotation, ensure the reliability of the electric bicycle operation, and because the left side cover plate remains stable, the positioning reference will not be lost due to repeated disassembly, thereby eliminating the complex bearing calibration process, thereby improving the disassembly and maintenance efficiency of the electric bicycle hub.

[0008] Optionally, the rim, the spokes and the central sleeve shaft are integrally formed.

[0009] By adopting the above technical scheme, the rim, the spokes and the central sleeve shaft of the hub body are integrally die-cast, reducing the connection between the components, reducing the cumulative tolerance, ensuring the concentricity of the transmission system, improving the overall bending strength of the hub and reducing the weight, and eliminating the assembly error problem between the components during maintenance, thereby further improving the disassembly and maintenance efficiency of the electric bicycle hub.

[0010] Optionally, the spoke is connected with a mounting seat, and the mounting seat is provided with a mounting hole for mounting and connecting the right side cover plate on the side away from the spoke.

[0011] By adopting the above technical scheme, the connection between the right side cover plate and the spoke is realized, the right side cover plate is convenient to install and disassemble, and during maintenance, only the right side cover plate needs to be disassembled to expose the motor winding and the hub for maintenance, thereby shortening the maintenance time and eliminating the problem of completely disassembling the hub required by the traditional double-side cover plate design.

[0012] Optionally, the mounting seat is fixedly connected with the outer wall of the central sleeve shaft.

[0013] By adopting the technical scheme, the hub body, the rim, the spoke, the center sleeve shaft and the left side cover plate are integrally formed, the spoke is connected with the mounting seat with the mounting hole, and the mounting seat is fixedly connected with the outer wall of the center sleeve shaft, so that the overall bending strength of the hub is improved, and the weight is reduced; when maintenance is performed, only the fasteners such as the right side cover plate bolts need to be disassembled, so that the hub motor and the hub structure can be exposed for maintenance, the maintenance time is shortened, the bearing calibration process is simplified, and the radial run-out qualification rate after maintenance is improved.

[0014] Optionally, the hub body is provided with a valve hole for arranging tire inflation.

[0015] By adopting the technical scheme, the valve hole is arranged to facilitate tire inflation, and the weight reduction groove is designed in cooperation with the valve hole to improve the convenience of tire inflation.

[0016] Optionally, the hub body is provided with a weight reduction groove, the valve hole is communicated with the weight reduction groove, the groove wall away from the valve hole of the shock absorption groove is provided with an avoidance groove, and the avoidance groove is opposite to the valve hole, and the avoidance groove penetrates the hub body along the central axis direction of the hub body.

[0017] By adopting the technical scheme, the weight reduction groove arranged in the hub body can effectively reduce the overall weight of the hub, improve the riding flexibility and energy efficiency of the electric bicycle, the valve hole is communicated with the weight reduction groove, the avoidance groove of the weight reduction groove is opposite to the valve hole and penetrates the hub body along the central axis direction of the hub body, and the avoidance groove provides a space for the inflation equipment, so that the inflation equipment can be inserted into the weight reduction groove to inflate the tire, and the groove wall of the avoidance groove can support the inflation equipment, saving manpower; the inflation position can be quickly positioned through the avoidance groove gap during inflation, saving inflation time.

[0018] Optionally, the avoidance groove is arc-shaped in cross section along the central axis direction of the hub body.

[0019] By adopting the technical scheme, the arc-shaped avoidance groove can provide a wider and smoother operation space for the operator during maintenance operation, reduce the collision and friction between the tool and the groove wall, reduce the damage risk of the groove wall, and when the maintenance tool is placed or the internal parts are taken out, the arc-shaped structure will not be blocked by sharp edges, so that the maintenance operation is more smooth, and the volume of the inflation equipment is different, so that the arc-shaped design is convenient for supporting the inflation equipment, improving the applicability.

[0020] Optionally, the left side cover plate is connected with the reinforcing rib away from the hub body, and the reinforcing rib is equidistantly arranged along the circumference of the hub body.

[0021] By adopting the technical scheme, the hub body and the left cover plate are integrally formed, the rim, the spoke and the center sleeve shaft are also integrally formed, the overall bending strength of the hub is improved, and the weight is reduced; on this basis, the left cover plate is connected with the circumferentially equidistant reinforcing ribs away from the hub body, the structural strength of the left cover plate is further improved, and the stability of the hub as a whole is improved.

[0022] In another aspect, the application provides a hub using method based on the above-mentioned quick-release and easy-to-maintain electric bicycle hub, which adopts the following technical scheme: A hub using method based on the above-mentioned quick-release and easy-to-maintain electric bicycle hub, comprising the following steps: S1: integrally die-casting the hub body and the left cover plate, and separately die-casting the right cover plate; S2: installing the internal driving structure on the inner side of the left cover plate, and inserting one end of the axle into the bearing installed on the left cover plate; S3: after the internal driving structure is installed, fixing the right cover plate on the hub body, and inserting the end of the axle away from the left cover plate into the bearing installed on the right cover plate; S4: installing the tire on the frame, and fixing one end of the axle on the frame; S5: installing the brake on the free end of the axle; S6: fixing the free end of the axle on the frame, and completing the installation of the hub; S7: when the internal driving structure needs to be maintained, disassembling the right cover plate from the hub body, and repeating steps S2-S3 after the maintenance is completed; S8: detecting the balance degree of the hub after the cover plate is fixed, and repeating steps S4-S6 after the balance degree of the hub is normal.

[0023] By adopting the technical scheme, when maintenance is needed, only the right cover plate needs to be disassembled, avoiding the trouble of completely disassembling the traditional double-sided cover plate hub during maintenance, so that the maintenance time is greatly shortened, and since the left cover plate remains stationary as a reference, the bearing positioning reference is not lost, professional equipment is not needed to recalibrate the coaxiality of the bearing, the maintenance process is simplified, the problem of hub overall scrapping caused by damage of the double-sided cover plate is also reduced, and the integrally die-casting structure improves the overall bending strength of the hub and reduces the weight.

[0024] Optionally, the balance degree detection step S4 comprises: S41: placing the axle on the detection table; S42: powering on to drive the hub to rotate, judging whether the hub rotation is accompanied by abnormal noise, if not, indicating that the balance degree of the hub is normal, powering off, and performing subsequent S4 step operation, if yes, indicating that the balance degree of the hub is abnormal, and performing the next balance degree detection step; S43: Assemble the marking pen on the detection table, and direct the marking end of the marking pen towards the hub; S44: Slowly move the marking pen horizontally towards the hub until the marking pen hits the hub and makes a sound, then power off, and the operator stops the rotation of the hub; S45: Check the position of the marking line of the marking pen on the hub, and adsorb the magnet at the radial position of the marking line on the hub; S46: Power on, drive the hub to rotate, and determine whether the hub rotates with an abnormal sound, if not, it means that the balance degree of the hub is normal, power off, and proceed to the subsequent S4 step, if yes, it means that the balance degree of the hub is abnormal, and proceed to the next balance degree detection step; S47: Move the magnet position along the circumference of the hub body and a short distance, and repeat step S46.

[0025] By adopting the above technical scheme, after maintenance, if there is a position deviation, the balance degree of the hub can be judged by using the magnet, and then the balance degree of the hub can be adjusted, thereby improving the use safety of the hub after maintenance.

[0026] In summary, the present application has at least one of the following beneficial technical effects: 1. In the production process, the hub body and the left cover plate are integrally formed, avoiding the cumbersome steps of separately processing the hub body and the left cover plate and then assembling them, reducing the assembly process. In the subsequent use and maintenance process, since the hub body and the left cover plate are integrally formed, the left cover plate can remain stationary as a stable reference. When the electric bicycle hub needs to be maintained, only the other side parts need to be operated, without completely disassembling the hub to find the maintenance reference as in the traditional double-sided cover plate hub, reducing the complexity of maintenance and greatly shortening the maintenance time. At the same time, the integrally formed structure can also enhance the overall strength and stability of the hub, better withstand various loads during hub rotation, and ensure the reliability of the electric bicycle operation. Moreover, since the left cover plate remains stable and does not lose the positioning reference due to repeated disassembly, the complex bearing calibration process is eliminated, thereby improving the disassembly and maintenance efficiency of the electric bicycle hub; 2. The weight-reducing groove in the hub body can effectively reduce the overall weight of the hub, improve the riding flexibility and energy efficiency of the electric bicycle, the air hole is communicated with the weight-reducing groove, and the avoiding groove of the weight-reducing groove is directly opposite to the air hole and penetrates the hub body along the central axis of the hub body, providing an avoiding space for the inflating device, so that the inflating device can be inserted into the weight-reducing groove to inflate the tire. At the same time, the groove wall of the avoiding groove can support the inflating device, saving manpower. The inflating position can be quickly positioned through the avoiding groove gap during inflation, saving inflation time; 3. When maintenance is needed, only the right side cover plate needs to be disassembled, avoiding the trouble of completely disassembling the traditional double-sided cover plate hub during maintenance, greatly shortening the maintenance time, and since the left side cover plate remains unchanged as a reference, the bearing positioning reference is not lost, and there is no need for professional equipment to recalibrate the bearing coaxiality, simplifying the maintenance process, reducing the problem of hub overall scrapping caused by double-sided cover plate damage, and the integrated die-casting structure improves the overall bending strength of the hub and reduces the weight. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic diagram of one end of the inside of the overall structure in the embodiment of the present application.

[0028] Figure 2 is a schematic diagram of one end of the outside of the overall structure in the embodiment of the present application.

[0029] Figure 3 is a half-section view of the overall structure in the embodiment of the present application.

[0030] Figure 4 is a schematic diagram of the position of the avoidance groove in the embodiment of the present application.

[0031] BRIEF DESCRIPTION OF DRAWINGS: 1. Left side cover plate; 2. Rim; 21. Air hole; 3. Spoke; 4. Center sleeve shaft; 41. Avoidance groove; 5. Mounting seat; 51. Mounting hole; 6. Reinforcing rib. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying Figures 1-4 The present application will be further described in detail.

[0033] In one aspect, the embodiment of the present application discloses a quick-release easy-maintenance electric bicycle hub.

[0034] Embodiment 1 Referring to Figure 1 and Figure 2 , a quick-release easy-maintenance electric bicycle hub includes a hub body, a left side cover plate 1, and a right side cover plate, wherein the hub body is integrally formed with the left side cover plate 1, the right side cover plate is covered on the side of the hub body away from the left side cover plate 1, the right side cover plate is detachably connected with the hub body, and the right side cover plate is not shown in the drawing.

[0035] When disassembled for maintenance, the integrally formed hub body and left side cover plate 1 reduce the disassembly process during maintenance, avoiding the problem of complex bearing calibration, because the integrally formed left side cover plate 1 can be used as a positioning reference during maintenance, and only the right side cover plate needs to be disassembled during maintenance, while the axis of the left side cover plate 1 is in a fixed state, so there is no need to worry about the problem of coaxiality calibration during reinstallation.

[0036] Specifically, the hub body includes a rim 2, spokes 3 and a center sleeve shaft 4, the rim 2 is annular structure, used for mounting tires, with a certain strength and toughness, to withstand various pressures and impact forces in the process of vehicle driving, the rim 2 is connected to the center sleeve shaft 4 through the spokes 3, the spokes 3 play a role in connecting the rim 2 and the center sleeve shaft 4, the spokes 3 can be designed in various shapes, such as straight bar type, curved type, etc., in this example, the spokes 3 adopt straight bar type, the spokes 3 are arranged equidistantly along the circumference of the center sleeve shaft 4, the weight reduction groove is formed by the adjacent spokes 3, the rim 2 and the center sleeve shaft 4, so that the weight reduction groove is arranged equidistantly on the hub body, ensuring that the hub body is uniformly stressed, while reducing the weight of the hub body, the center sleeve shaft 4 is located at the center position of the rim 2, the center sleeve shaft 4 is an integral part of the entire hub, and the center sleeve shaft 4 is integrally formed with the left side cover plate 1.

[0037] Specifically, referring to Figure 3 , the rim 2, the spokes 3 and the center sleeve shaft 4 are integrally formed, which reduces the looseness and gap problems that may exist in the traditional connection mode, improves the overall strength and reliability of the hub, and compared with the traditional connection mode through fasteners such as bolts and screws, the integrally die-casting forming can also effectively reduce the weight of the hub and improve the driving performance of the vehicle.

[0038] Referring to Figure 1 and Figure 4 , the spokes 3 are connected with the mounting seat 5, the mounting seat 5 is provided with a mounting hole 51 for mounting and connecting the right side cover plate on the side away from the spokes 3, and the right side cover plate is fixed to the center sleeve shaft 4 through the fasteners such as bolts or screws, so as to realize the installation of the right side cover plate.

[0039] Further, one side of the mounting seat 5 is fixedly connected with the outer wall of the center sleeve shaft 4, thereby enhancing the overall structural stability of the hub, so that the hub can better disperse and transmit force when bearing various external forces.

[0040] When manufacturing the electric bicycle hub, first, the mold is prefabricated, and the rim 2, the spokes 3, the center sleeve shaft 4, the left side cover plate 1 and the mounting seat 5 are integrally die-casting formed through the mold, so that the connection between the structures is more compact and stable, and high-strength steel or aluminum alloy and the like can be used to make the hub, of course, in some special designs, carbon fiber composite materials and the like lightweight and high-strength materials can also be considered to further reduce the weight of the hub.

[0041] In order to facilitate the disassembly and assembly of the mold, the outer wall of the center sleeve shaft 4 is in a straight annular shape.

[0042] The wheel rim 2 is provided with a valve hole 21 for inflating the tire, the valve hole 21 penetrates the wall of the wheel rim 2 and communicates with one of the lightening grooves, facilitating the inflation operation of the tire, the penetration direction of the valve hole 21 passes through the center of the center sleeve shaft 4 to adapt to different types of tires and inflation equipment.

[0043] The groove wall of the lightening groove away from the valve hole 21 is provided with an avoidance groove 41, specifically, the avoidance groove 41 is provided on the outer wall of the center sleeve shaft 4, the avoidance groove 41 communicates with the same lightening groove as the valve hole 21, and the avoidance groove 41 is directly opposite to the valve hole 21, the avoidance groove 41 is located in the penetration direction of the valve hole 21, and the avoidance groove 41 penetrates the hub body along the hub body center axis direction, the design of the lightening groove is mainly to reduce the weight of the hub and improve the energy utilization efficiency of the vehicle, the avoidance groove 41 provides enough space for the valve nozzle, reduces the possibility of interference between the inflation equipment and the center sleeve shaft 4 during installation and use, at the same time, the avoidance groove 41 can also help the operator to quickly find the valve hole 21 during inflation operation, saving tire inflation time, secondly, when the inflation equipment is docked in the valve hole 21, the inflation equipment can be placed on the groove wall of the avoidance groove 41, reducing the burden on the arm.

[0044] Further, the avoidance groove 41 is arc-shaped in cross section along the hub body center axis direction, the arc-shaped arrangement can adapt to inflation heads of various sizes of inflation equipment, improving the adaptability of the groove wall of the avoidance groove 41.

[0045] Referring to Figure 2 The left cover plate 1 is integrally formed with a reinforcing rib 6 away from the hub body, the reinforcing rib 6 is equidistantly arranged along the circumference of the hub body, and the reinforcing rib 6 can enhance the structural strength of the left cover plate 1, so that it can better withstand the force transmitted by the drum brake and other components. In this embodiment, the reinforcing rib 6 is in a strip-shaped structure, which improves the structural strength and reliability of the left cover plate 1.

[0046] The implementation principle of the embodiment 1 is that the quick-release and easy-to-maintain electric bicycle hub integrally forms the hub body with the left cover plate 1, so that during maintenance, only the right cover plate needs to be removed to perform maintenance on the inside of the hub, and the left cover plate 1 remains stationary as a positioning reference, avoiding the problem that the traditional double-sided cover plate design requires complete disassembly of the hub and re-calibration of the bearing coaxiality during maintenance, greatly improving the maintenance efficiency. At the same time, the integrally die-cast structure of the hub body improves the overall strength and reduces the weight, compared with the prior art, effectively solving the problem of difficult maintenance of the traditional double-sided cover plate hub, bringing great convenience to the use and maintenance of the electric bicycle hub.

[0047] Embodiment 2 The outer wall of the center sleeve shaft 4 is isosceles triangle-shaped, and the distance from the tip of the isosceles triangle of the center sleeve shaft 4 to both the left cover plate 1 and the right cover plate is consistent along the center line extension direction of the rim 2, so that the area of the middle groove wall of the avoidance groove 41 gradually decreases to the area of the groove walls on both sides along the penetration direction of the avoidance groove 41, and the center axis of the valve hole 21 penetrates the tip of the isosceles triangle of the center sleeve shaft 4.

[0048] The implementation principle of the embodiment 2 is that when the tire needs to be inflated, the inflation device can be more stably arranged on the groove wall of the avoidance groove 41, and the applicability of the avoidance groove 41 is further improved.

[0049] On the other hand, the application also discloses a wheel hub using method based on the quick-release and easy-to-maintain electric bicycle wheel hub. S1: integrally pressure casting the wheel hub body and the left cover plate 1, and separately pressure casting the right cover plate; S2: installing the internal driving structure on the inner side of the left cover plate 1, and inserting one end of the axle into the bearing installed on the left cover plate 1; S3: after the internal driving structure is installed, fixing the right cover plate on the wheel hub body, and inserting the end of the axle away from the left cover plate 1 into the bearing installed on the right cover plate; S4: installing the tire on the frame, and fixing one end of the axle on the frame; S5: installing the brake on the free end of the axle; S6: fixing the free end of the axle on the frame, and completing the installation of the wheel hub; S7: when the internal driving structure needs to be maintained, disassembling the right cover plate from the wheel hub body, and repeating steps S2-S3 after the maintenance is completed; S8: detecting the balance degree of the assembled wheel hub, and repeating steps S4-S6 after the balance degree of the wheel hub is normal.

[0050] Further, the balance degree detection step S4 comprises: S41: arranging the axle on the detection table; S42: powering on to drive the wheel hub to rotate, judging whether the wheel hub rotates with abnormal sound, if not, indicating that the balance degree of the wheel hub is normal, powering off, and performing the subsequent S4 step operation, if yes, indicating that the balance degree of the wheel hub is abnormal, and performing the next balance degree detection step; S43: assembling the marking pen on the detection table, and directing the marking end of the marking pen towards the wheel hub; S44: moving the marking pen horizontally and slowly towards the wheel hub until the marking pen hits the wheel hub and makes a sound, powering off, and stopping the rotation of the wheel hub by the operator; S45: checking the position of the marking line of the marking pen on the wheel hub, and absorbing the magnet on the radial position of the marking line of the wheel hub; S46: power on, drive the hub to rotate, determine whether the hub rotation is accompanied by abnormal sound, if not, it means that the hub balance is normal, power off, and proceed to the subsequent S4 step operation, if there is abnormal sound, it means that the hub balance is abnormal, proceed to the next step of balance detection; S47: move the magnet position along the circumference of the hub body and a short distance, repeat step S46.

[0051] Specifically, the detection table can adopt an open-topped U-shaped frame, and the axle is placed at both ends of the slot at both ends of the U-shaped frame opening, so as to erect the hub. The U-shaped frame will not block the rotation of the hub when driving the hub to rotate. In a preferred embodiment, the hub that needs to be balanced by the magnet is replaced by an iron block with the same volume as the magnet body and is fixed to the hub by welding at the adsorption position. After repair, the installation position of the right cover plate may be deviated. The balance of the hub is judged by using the magnet, and the balance of the hub is adjusted, thereby improving the safety of the repaired hub.

[0052] The implementation principle of the hub usage method in this embodiment is: the hub body and the left cover plate 1 are integrally pressure cast, providing a stable basic structure for subsequent component installation and use, ensuring the cooperation precision and working performance between various components. During maintenance, only the right cover plate needs to be disassembled, avoiding the trouble of completely disassembling the hub and recalibrating the bearing coaxiality in traditional double-sided cover plate design, significantly improving the maintenance efficiency, reducing the maintenance cost and difficulty, and providing a more convenient and efficient solution for the use and maintenance of electric bicycle hubs.

[0053] The above are preferred embodiments of the present application, and the embodiments are only an explanation of the present application, not a limitation of the protection scope of the present application. Therefore, any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A quick release and easy maintenance electric bicycle hub, characterized by, The utility model relates to a wheel hub, which comprises a hub body, a left cover plate and a right cover plate. The hub body comprises a rim (2), spokes (3) and a central sleeve shaft (4), the rim (2) is connected to the central sleeve shaft (4) through the spokes (3), the spokes (3) are arranged equidistantly along the central sleeve shaft (4) in the circumferential direction, and the central sleeve shaft (4) is arranged at the central position of the rim (2) and is integrally formed with the left cover plate (1). The left cover plate (1) is arranged on one side of the hub body and is integrally formed with the hub body. The right cover plate is arranged on the side of the hub body away from the left cover plate (1) and is detachably connected with the hub body.

2. The quick release and easy maintenance electric bicycle hub according to claim 1, wherein, The rim (2), the spokes (3) and the central sleeve shaft (4) are integrally formed.

3. The quick release and easy maintenance electric bicycle hub according to claim 1, wherein, The spoke (3) is connected with a mounting seat (5), and a mounting hole (51) for mounting and connecting the right cover plate is formed on the side of the mounting seat (5) away from the spoke (3).

4. The quick release and easy maintenance electric bicycle hub according to claim 3, wherein, The mounting seat (5) is fixedly connected with the outer wall of the central sleeve shaft (4).

5. The quick release and easy maintenance electric bicycle hub according to claim 1, wherein, The hub body is provided with a valve hole (21) for placing a tire pump.

6. A quick release easy maintenance electric bicycle hub as claimed in claim 5 wherein, The hub body is provided with a weight-reducing groove, the valve hole (21) is communicated with the weight-reducing groove, and an avoiding groove (41) is formed in the groove wall of the end of the weight-reducing groove away from the valve hole (21), the avoiding groove (41) is opposite to the valve hole (21), and the avoiding groove (41) penetrates the hub body in the direction of the central axis of the hub body.

7. A quick release easy maintenance electric bicycle hub as claimed in claim 6 wherein, The avoiding groove (41) is arc-shaped in the direction of the central axis of the hub body.

8. The quick release and easy maintenance electric bicycle hub according to claim 1, wherein, The left cover plate (1) is connected with a reinforcing rib (6) on the side away from the hub body, and the reinforcing rib (6) is arranged equidistantly along the circumferential direction of the hub body.

9. A wheel hub using method, based on the quick release and easy maintenance electric bicycle wheel hub of any one of claims 1-8, characterized in that, The utility model relates to a wheel hub, which comprises a hub body, a left cover plate and a right cover plate. S1: the hub body and the left cover plate (1) are integrally pressure die cast, and the right cover plate is pressure die cast separately; S2: the internal driving structure is mounted on the inner side of the left cover plate (1), and one end of an axle is inserted into the bearing mounted on the left cover plate (1); S3: after the internal driving structure is mounted, the right cover plate is fixed on the hub body, and the end of the axle away from the left cover plate (1) is inserted into the bearing mounted on the right cover plate; S4: a tire is mounted on the frame; S5: a brake is mounted on the side of the free end of the axle; S6: the free end of the axle is fixed on the frame, and the wheel hub installation is completed; S7: when the internal driving structure needs to be maintained, the right cover plate is disassembled from the hub body, and after the maintenance is completed, steps S2-S3 are repeated; S8: the balance degree of the hub after being closed is detected, and after the balance degree of the hub is normal, steps S4-S6 are repeated.

10. The method of claim 9, wherein, The balance degree detection step S4 comprises the following steps: S41: the axle is arranged on a detection table; S42: power is supplied, the wheel hub is driven to rotate, whether the wheel hub rotation is accompanied by an abnormal sound is judged, if no abnormal sound is generated, the balance degree of the wheel hub is normal, power is cut off, and subsequent step S4 operation is carried out, if an abnormal sound is generated, the balance degree of the wheel hub is abnormal, and the next balance degree detection step is carried out; S43: a marking pen is assembled on the detection table, and the marking end of the marking pen is directed to the wheel hub; S44: the marking pen is slowly moved horizontally towards the wheel hub until the marking pen hits the wheel hub and generates a sound, power is cut off, and the rotation of the wheel hub is stopped by an operator. S45: Check the position of the marking line of the marker pen on the hub, and adsorb the magnet at the radial position of the marking line of the hub; S46: Turn on the power and drive the hub to rotate, and determine whether the hub rotation is accompanied by abnormal sound. If not, it indicates that the balance degree of the hub is normal, the power is turned off, and the subsequent S4 step operation is performed. If there is abnormal sound, it indicates that the balance degree of the hub is abnormal, and the next balance degree detection step is performed; S47: Move the position of the magnet along the circumference of the hub body and a short distance, and repeat step S46.

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