Double locking mechanism for hub and end cover of electric vehicle

Abstract

The utility model relates to the technical field of electric vehicles, in particular to an electric vehicle hub and end cover double-locking mechanism which comprises a hub, a main shaft, spokes, an end cover, a fixing cylinder, a V-shaped elastic block and the like. A main shaft is connected to the middle of the hub, spokes are connected between the main shaft and the hub, at least three spokes are connected with fixing cylinders, the fixing cylinders penetrate through the spokes, end covers are connected between the fixing cylinders in a clamped mode, and the upper sides and the lower sides of the fixing cylinders are connected with V-shaped elastic blocks. The end cover is provided with the V-shaped elastic block, the first clamping block, the clamping assembly and the unlocking assembly, so that the end cover is more efficient and faster to disassemble and assemble, time and energy are saved, the end cover is suitable for daily maintenance or emergency maintenance scenes, the problems of part loss, thread slipping or damage and the like possibly occurring in a traditional screw fixing mode are reduced, and the service life of the end cover is prolonged. And the reliability and durability of the hub and end cover structure are improved.

Description

Technical Field

[0001] This utility model relates to the field of electric vehicle technology, and in particular to a double locking mechanism for electric vehicle wheel hub and end cap. Background Technology

[0002] Wheel hubs and end caps are crucial components of electric vehicles, influencing not only their appearance but also their performance. As a key component connecting the tire and axle, the wheel hub supports the vehicle's weight and transmits driving and braking forces. Electric vehicle-specific wheel hubs are typically made of lightweight, high-strength materials, such as aluminum alloys, to reduce unsprung mass and improve driving efficiency and range.

[0003] End caps are protective components installed at both ends of the wheel hub. They effectively prevent dust, moisture, and other impurities from entering the wheel hub, reducing bearing wear and extending service life. At the same time, end cap designs increasingly emphasize aesthetics and aerodynamic performance, contributing to improved overall performance and visual appeal of electric vehicles.

[0004] Traditional end cap installation methods typically rely on multiple screws for fixation, a cumbersome process that is not only time-consuming and labor-intensive but also requires specific tools and skills. During actual repair or replacement, each screw needs to be disassembled and installed individually, increasing maintenance difficulty, especially outdoors or in emergency situations, where screws are prone to being lost or damaged, affecting usability. Furthermore, screws exposed to the elements for extended periods are susceptible to rust, making disassembly difficult and potentially damaging the end cap or wheel hub structure. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a double locking mechanism for electric vehicle wheel hub and end cap.

[0006] A double locking mechanism for an electric vehicle wheel hub and end cap includes a wheel hub, a main shaft, spokes, an end cap, a fixed cylinder, a V-shaped elastic block, a first locking block, a locking assembly, and an unlocking assembly. The main shaft is connected to the center of the wheel hub, and spokes are connected between the main shaft and the wheel hub. At least three spokes are connected to fixed cylinders, each of which penetrates the spoke. End caps are locked between the fixed cylinders. V-shaped elastic blocks are connected to the upper and lower sides of the fixed cylinders. The end caps have circumferentially spaced circular holes that fit the V-shaped elastic blocks. The end caps are locked to the V-shaped elastic blocks through the circular holes. Two first locking blocks are connected to the side of the V-shaped elastic blocks away from the fixed cylinders. The outer diameter of the top of the two first locking blocks is smaller than the inner diameter of the circular holes, and the outer diameter of the bottom of the two first locking blocks is larger than the inner diameter of the circular holes. A locking assembly is connected to the main shaft circumferentially, and unlocking assemblies are connected inside the V-shaped elastic blocks and the locking assembly.

[0007] Furthermore, the clamping assembly includes a fixed block, a second clamping block, and a spring. Fixed blocks are connected circumferentially along the main shaft, and each fixed block is clamped to the end cover. The side of the fixed block away from the center of the main shaft is open. The second clamping block is slidably connected inside the open of the fixed block. A spring is connected between the second clamping block and the fixed block. The top of the second clamping block is provided with a slope. The area of ​​the side of the second clamping block closer to the center of the main shaft is larger than the area of ​​the side away from the center of the main shaft. The end cover has circumferentially spaced grooves that are adapted to the second clamping block.

[0008] Furthermore, the unlocking component includes a pivot and a connecting rod. The left and right inner walls of the V-shaped elastic block are rotatably connected to the connecting rods, and the two connecting rods are rotatably connected to the pivot. The pivot has a hexagonal groove.

[0009] Furthermore, the unlocking component also includes a button, and each of the second card blocks is connected to a button, which is slidably connected to the fixed block.

[0010] Furthermore, it also includes a cap, with a cap threadedly connected between the outer walls of the two first blocks.

[0011] Furthermore, it also includes anti-slip rings, with anti-slip rings connected to the side of the cap furthest from the end cap.

[0012] The beneficial effects of this utility model are: This utility model is equipped with a V-shaped elastic block, a first locking block, a locking component and an unlocking component, which makes the disassembly and installation of the end cover more efficient and quick, saving time and effort. It is suitable for daily maintenance or emergency repair scenarios, reduces the problems of part loss, stripping or damage that may occur in traditional screw fixing methods, and improves the reliability and durability of the wheel hub and end cover structure. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a schematic diagram of the main shaft, spokes, and fixed cylinder structure of this utility model.

[0015] Figure 3 This is a schematic diagram of the end cap, round hole, and slot structure of this utility model.

[0016] Figure 4 This is a schematic diagram of the structure of the first locking block, rotating shaft, and connecting rod of this utility model.

[0017] Figure 5 This is a schematic diagram of the structure of the cap and anti-slip ring of this utility model.

[0018] Figure 6 This is a schematic diagram of the structure of the second locking block, spring, and push block of this utility model.

[0019] In the attached diagram, the following labels are used: 1_hub, 101_main shaft, 2_spoke, 3_end cap, 31_round hole, 32_slot, 4_fixed cylinder, 5_V-shaped elastic block, 6_first locking block, 7_rotating shaft, 8_connecting rod, 9_seal, 10_anti-slip ring, 11_fixed block, 12_second locking block, 13_spring, 14_press block. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0021] A double locking mechanism for electric vehicle wheel hub and end cap, such as Figures 1-6 As shown, the assembly includes a hub 1, a main shaft 101, spokes 2, end caps 3, fixing cylinders 4, V-shaped elastic blocks 5, a first locking block 6, a locking assembly, an unlocking assembly, a sealing cover 9, and an anti-slip ring 10. The main shaft 101 is connected to the middle of the hub 1, and spokes 2 are connected between the main shaft 101 and the hub 1. At least three spokes 2 are fixedly connected to fixing cylinders 4, and each fixing cylinder 4 passes through the spokes 2. End caps 3 are snapped together between the fixing cylinders 4. V-shaped elastic blocks 5 are fixedly connected to the upper and lower sides of the fixing cylinders 4. The end caps 3 are spaced circumferentially from the V-shaped elastic blocks 5. The matching round hole 31 and the end cap 3 are both engaged with the V-shaped elastic block 5 through the round hole 31. Two first locking blocks 6 are fixedly connected to the side of the V-shaped elastic block 5 away from the fixed cylinder 4. The outer diameter of the top of the two first locking blocks 6 is smaller than the inner diameter of the round hole 31, and the outer diameter of the bottom of the two first locking blocks 6 is larger than the inner diameter of the round hole 31. A clamping component is connected circumferentially on the main shaft 101. An unlocking component is connected inside the V-shaped elastic block 5 and the clamping component. A sealing cover 9 is threaded between the outer walls of the two first locking blocks 6. An anti-slip ring 10 is fixedly connected to the side of the sealing cover 9 away from the end cap 3.

[0022] The clamping assembly includes a fixing block 11, a second clamping block 12, and a spring 13. Fixing blocks 11 are connected circumferentially on the main shaft 101. Each fixing block 11 is clamped to the end cover 3. The side of the fixing block 11 away from the center of the main shaft 101 is open. The second clamping block 12 is slidably connected inside the open side of the fixing block 11. The spring 13 is fixedly connected between the second clamping block 12 and the fixing block 11. The top of the second clamping block 12 is provided with a slope. The area of ​​the side of the second clamping block 12 near the center of the main shaft 101 is larger than the area of ​​the side away from the center of the main shaft 101. The end cover 3 has circumferentially spaced grooves 32 that are adapted to the second clamping block 12.

[0023] The unlocking components include a pivot 7, a connecting rod 8, and a button 14. The connecting rod 8 is rotatably connected to the inner walls of the left and right V-shaped elastic blocks 5. The pivot 7 is rotatably connected between the two connecting rods 8. The pivot 7 has a hexagonal groove. The button 14 is fixedly connected to the second locking block 12. The button 14 is slidably connected to the fixed block 11.

[0024] Initially, both the V-shaped elastic block 5 and the spring 13 are in their natural state, with the top of the V-shaped elastic block 5 open and the second locking block 12 sliding out of the fixing block 11. When it is necessary to install the end cap 3 on the hub 1, align the round hole 31 of the end cap 3 with the first locking block 6, and press the end cap 3 so that the first locking blocks 6 pass through the round hole 31. During this process, the distance between the two first locking blocks 6 shortens, and the two first locking blocks 6 compress the V-shaped elastic block 5, causing the V-shaped elastic block 5 to deform. When the two first locking blocks 6 have completely passed through the round hole 31, the two first locking blocks 6 return to their original position, and the V-shaped elastic block 5 deforms. The elastic block 5 is engaged in the round hole 31, thereby locking the end cap 3 onto the hub 1 via the V-shaped elastic block 5 and the first locking block 6. The cover 9 covers the two first locking blocks 6, and rotating the cover 9 fixes it to the outer wall of the first locking blocks 6 by threads. This prevents the two first locking blocks 6 from being accidentally squeezed, causing the V-shaped elastic block 5 to deform and loosen. It also prevents moisture, dust, and other impurities from entering the V-shaped elastic block 5 and causing damage. When the two first locking blocks 6 pass through the round hole 31, the fixing block 11 is engaged with the end cap 3, and the end cap 3 presses against the second locking block 1. The inclined surface of block 2 allows the second locking block 12 to slide into the fixed block 11, compressing the spring 13. When the second locking block 12 approaches the slot 32, the elastic force of the spring 13 causes the second locking block 12 to slide into the slot 32, thereby locking the end cover 3 onto the hub 1 a second time through the second locking block 12, achieving the double locking effect of this mechanism. When the end cover 3 needs to be removed, rotate the cover 9 to disengage it from the outer wall of the first locking block 6, then insert a hexagonal screwdriver into the hexagonal slot and rotate the hexagonal screwdriver to rotate the shaft 7, causing the connecting rod 8 to rotate as well. Pulling the first locking block 6 shortens the distance between the first locking blocks 6. Then, by sliding the second locking block 12 through the pressing block 14, it enters the fixing block 11, and the spring 13 is compressed, thereby unlocking the mechanism. Then, the end cover 3 can be removed from the wheel hub 1. The operation is simple and convenient, making the disassembly and installation of the end cover 3 more efficient and quick, saving time and effort. It is suitable for daily maintenance or emergency repair scenarios, reducing the problems of part loss, stripping or damage that may occur in traditional screw fixing methods, and improving the reliability and durability of the wheel hub 1 and end cover 3 structure.

[0025] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present application. Therefore, the content of this specification should not be construed as a limitation of the present application.

Claims

1. A double locking mechanism for an electric vehicle wheel hub and end cap, comprising a wheel hub (1), a main shaft (101), and spokes (2), wherein the main shaft (101) is connected to the middle of the wheel hub (1), and spokes (2) are connected between the main shaft (101) and the wheel hub (1), characterized in that, It also includes an end cap (3), a fixing cylinder (4), a V-shaped elastic block (5), a first locking block (6), a locking assembly, and an unlocking assembly. At least three spokes (2) are connected to the fixing cylinder (4), and the fixing cylinder (4) passes through the spokes (2). The fixing cylinders (4) are connected to the end cap (3) by locking. The upper and lower sides of the fixing cylinder (4) are connected to the V-shaped elastic blocks (5). The end cap (3) has circumferentially spaced circular holes (3) that are adapted to the V-shaped elastic blocks (5). 1) The end caps (3) are all engaged with the V-shaped elastic blocks (5) through the round holes (31). The side of the V-shaped elastic blocks (5) away from the fixed cylinder (4) is connected to two first locking blocks (6). The outer diameter of the top of the two first locking blocks (6) is smaller than the inner diameter of the round hole (31), and the outer diameter of the bottom of the two first locking blocks (6) is larger than the inner diameter of the round hole (31). A clamping component is connected along the circumferential direction on the main shaft (101). An unlocking component is connected inside the V-shaped elastic blocks (5) and the clamping component.

2. The dual locking mechanism of an electric vehicle wheel hub and end cover according to claim 1, characterized in that, The clamping assembly includes a fixed block (11), a second clamping block (12), and a spring (13). Fixed blocks (11) are connected circumferentially on the main shaft (101). Each fixed block (11) is clamped to the end cover (3). The side of the fixed block (11) away from the center of the main shaft (101) is open. The second clamping block (12) is slidably connected in the open side of the fixed block (11). A spring (13) is connected between the second clamping block (12) and the fixed block (11). The top of the second clamping block (12) is provided with a slope. The area of ​​the side of the second clamping block (12) close to the center of the main shaft (101) is larger than the area of ​​the side away from the center of the main shaft (101). The end cover (3) has a circumferentially spaced groove (32) that matches the second clamping block (12).

3. The dual locking mechanism of an electric vehicle wheel hub and end cap of claim 2, wherein, The unlocking component includes a rotating shaft (7) and a connecting rod (8). The connecting rod (8) is rotatably connected to the inner walls of the left and right sides of the V-shaped elastic block (5). The rotating shaft (7) is rotatably connected between the two connecting rods (8) on the left and right sides. The rotating shaft (7) has a hexagonal groove.

4. The dual locking mechanism of an electric vehicle wheel hub and end cap of claim 3, wherein, The unlocking component also includes a button (14), and each of the second card blocks (12) is connected to a button (14), and each button (14) is slidably connected to a fixed block (11).

5. The double locking mechanism for the electric vehicle wheel hub and end cap according to claim 4, characterized in that, It also includes a cap (9), and the two first clips (6) are threadedly connected to each other.

6. The double locking mechanism for the electric vehicle wheel hub and end cap according to claim 5, characterized in that, It also includes anti-slip rings (10), and the side of the cap (9) away from the end cap (3) is connected to anti-slip rings (10).

Images