Damping electric vehicle rear axle

Abstract

The utility model discloses a damping electric vehicle rear axle, and particularly relates to the technical field of electric vehicle rear axles, the damping electric vehicle rear axle comprises a rear axle rod and two upper mounting seats, the outer part of the rear axle rod is rotatably connected with two lower mounting seats, and buffer assemblies are arranged between the lower mounting seats and the corresponding upper mounting seats; the buffer assembly comprises two mounting plates, the two mounting plates are fixedly connected to the bottom of the lower mounting seat and the top of the upper mounting seat respectively, connecting plates are mounted on the opposite sides of the two mounting plates, and two buffer springs are fixedly connected between the two connecting plates; inserting strips are fixedly connected to the faces, deviating from each other, of the two connecting plates, inserting grooves are formed in the opposite sides of the two mounting plates, fixing openings are formed in the inner sides of the mounting plates, fixing blocks are fixedly connected to the tops of the connecting plates, and fixing bolts are rotationally connected into the fixing blocks. According to the buffer assembly, the fixing bolts are taken down, then the inserting strips can be taken out of the inserting grooves, and therefore the buffer assembly can be taken down as a whole, maintenance is more convenient, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle rear axles, and more specifically to a shock-absorbing electric vehicle rear axle. Background Art

[0002] The rear axle of an electric vehicle is an important component in the power transmission system of an electric vehicle. It is mainly responsible for transmitting the power of the electric vehicle and controlling the steering and driving stability of the vehicle. It not only carries the weight of the vehicle, but also plays the role of driving and differential, so that the electric vehicle can achieve stable driving under various road conditions. At the same time, the shock-absorbing components installed in the rear axle can effectively absorb and alleviate the impact and vibration during driving, providing a more comfortable and stable driving experience.

[0003] However, the shock absorbing assembly on the rear axle of a traditional electric vehicle is not easy to disassemble, so when the shock absorbing assembly needs to be repaired and maintained, it needs to be disassembled time-consuming and laborious, which reduces work efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a shock-absorbing electric vehicle rear axle. The technical problem to be solved by the present invention is that the shock-absorbing components of the traditional electric vehicle rear axle are inconvenient to disassemble, assemble and repair.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock-absorbing electric vehicle rear axle, comprising a rear axle rod and two upper mounting seats, both ends of the rear axle rod are fixedly mounted with wheel hubs, the outside of the rear axle rod is fixedly mounted with a transmission box, the outside of the rear axle rod is rotatably connected to two lower mounting seats, and the two lower mounting seats correspond to the two upper mounting seats, and a buffer assembly is arranged between the lower mounting seats and the corresponding upper mounting seats;

[0006] The buffer assembly includes two mounting plates, which are respectively fixedly connected to the bottom of the lower mounting seat and the top of the upper mounting seat, and connecting plates are installed on opposite sides of the two mounting plates, and two buffer springs are fixedly connected between the two connecting plates;

[0007] The two connecting plates are fixedly connected to the opposite sides with an insertion strip, the two mounting plates are provided with a slot on the opposite side, and the insertion strip is slidably connected to the inside of the corresponding slot, the inner side of the mounting plate is provided with a fixing opening, the top of the connecting plate is fixedly connected to a fixing block, the inside of the fixing block is rotatably connected with a fixing bolt, and the fixing bolt is threadedly sleeved on the inside of the mounting plate.

[0008] like Figure 1-2As shown, the specific implementation method is: the buffer spring can play a buffering role, making the vehicle driving more comfortable, the buffer assembly can be fixedly installed through the cooperation of the set fixing block and the fixed port, the buffer assembly can be installed more stably through the cooperation of the set slot and the insertion strip, and the buffer assembly can be removed as a whole by removing the fixing bolt, which makes maintenance more convenient and improves work efficiency.

[0009] In a preferred embodiment, a rubber sleeve is provided between the two connecting plates, and two buffer springs are located inside the rubber sleeve, both ends of the rubber sleeve are fixedly connected with fixing rings, the insides of the two fixing rings are rotatably connected with four clamping screws, and the clamping screws are threadedly sleeved on the insides of the corresponding connecting plates.

[0010] The rubber sleeve can provide protection for the buffer spring to prevent the buffer spring from being stuck by debris and affecting the buffer performance.

[0011] In a preferred embodiment, two telescopic rods are fixedly connected between the two connecting plates, and the buffer spring is movably sleeved on the outside of the corresponding telescopic rod.

[0012] The buffer spring can be made more stable by providing the telescopic rod.

[0013] In a preferred embodiment, the slot is T-shaped, and the inserting strip matches the slot.

[0014] The T-shaped slot can make the combination of the insert and the slot more stable.

[0015] In a preferred embodiment, the two ends of the two fixing rings that are away from each other are fixedly connected with sealing rings.

[0016] The sealing rings provided can increase the sealing performance at both ends of the rubber sleeve, so that the rubber sleeve can play a buffering role.

[0017] Technical effects and advantages of the utility model:

[0018] 1. By removing the fixing bolts, the insert can be taken out of the slot, so that the buffer assembly can be removed as a whole, making maintenance more convenient and improving work efficiency;

[0019] 2. The buffer spring provided can play a role of buffering and shock absorption, the telescopic rod provided can make the buffer spring more stable, the sealing ring provided can increase the sealing performance of both ends of the rubber sleeve, and the rubber sleeve provided can play a role of buffering and shock absorption. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the explosion structure of the buffer component of the utility model.

[0022] The accompanying drawings are marked as follows: 1. rear axle rod; 2. wheel hub; 3. transmission box; 5. lower mounting seat; 6. upper mounting seat; 7. mounting plate; 8. slot; 9. fixing port; 10. connecting plate; 11. insert; 12. fixing block; 13. fixing bolt; 14. telescopic rod; 16. buffer spring; 17. rubber sleeve; 18. fixing ring; 19. tightening screw; 20. sealing ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides a shock-absorbing electric vehicle rear axle, comprising a rear axle rod 1 and two upper mounting seats 6, both ends of the rear axle rod 1 are fixedly mounted with wheel hubs 2, the outside of the rear axle rod 1 is fixedly mounted with a transmission box 3, the outside of the rear axle rod 1 is rotatably connected to two lower mounting seats 5, and the two lower mounting seats 5 correspond to the two upper mounting seats 6, and a buffer assembly is arranged between the lower mounting seats 5 and the corresponding upper mounting seats 6;

[0025] The buffer assembly includes two mounting plates 7, which are respectively fixedly connected to the bottom of the lower mounting seat 5 and the top of the upper mounting seat 6. A connecting plate 10 is installed on opposite sides of the two mounting plates 7, and two buffer springs 16 are fixedly connected between the two connecting plates 10.

[0026] The two connecting plates 10 are fixedly connected to the opposite sides with an insertion strip 11, the two mounting plates 7 are provided with a slot 8 on the opposite side, and the insertion strip 11 is slidably connected to the inside of the corresponding slot 8, the inner side of the mounting plate 7 is provided with a fixing port 9, the top of the connecting plate 10 is fixedly connected to a fixing block 12, the inside of the fixing block 12 is rotatably connected with a fixing bolt 13, and the fixing bolt 13 is threadedly sleeved on the inside of the mounting plate 7.

[0027] like Figure 1-2As shown, the specific implementation method is: the buffer spring 16 can play a buffering role, making the vehicle driving more comfortable, the buffer assembly can be fixedly installed through the cooperation of the set fixing block 12 and the fixing port 9, and the buffer assembly can be installed more stably through the cooperation of the set slot 8 and the insertion strip 11. By removing the fixing bolt 13, the buffer assembly can be removed as a whole, which makes maintenance more convenient and improves work efficiency.

[0028] A rubber sleeve 17 is arranged between the two connecting plates 10, and two buffer springs 16 are located inside the rubber sleeve 17. Both ends of the rubber sleeve 17 are fixedly connected with fixing rings 18. Four clamping screws 19 are rotatably connected inside the two fixing rings 18, and the clamping screws 19 are threadedly sleeved on the inside of the corresponding connecting plate 10.

[0029] like Figure 1-2 As shown, the specific implementation is: the rubber sleeve 17 can provide protection for the buffer spring 16 to prevent the buffer spring 16 from being stuck by debris and affecting the buffer performance.

[0030] Two telescopic rods 14 are fixedly connected between the two connecting plates 10 , and the buffer springs 16 are movably sleeved on the outside of the corresponding telescopic rods 14 .

[0031] like Figure 1-2 As shown, the specific implementation is: the buffer spring 16 can be made more stable by setting the telescopic rod 14.

[0032] The slot 8 is T-shaped, and the inserting strip 11 matches the slot 8 .

[0033] like Figure 1-2 As shown, the specific implementation is: the T-shaped slot 8 can make the insertion strip 11 and the slot 8 more stably combined.

[0034] The ends of the two fixing rings 18 which are away from each other are fixedly connected with sealing rings 20 .

[0035] like Figure 1-2 As shown, the specific implementation is: the sealing performance of both ends of the rubber sleeve 17 can be increased by providing the sealing ring 20, so that the rubber sleeve 17 can play a buffering role.

[0036] Working principle of this utility model:

[0037] When the buffer assembly needs to be repaired, first remove the fixing bolt 13, then the insert 11 can be taken out of the slot 8, so that the buffer assembly can be removed as a whole, making the repair more convenient and improving the work efficiency;

[0038] During the driving of the car, the buffer spring 16 can play a buffering and shock-absorbing role, the telescopic rod 14 can make the buffer spring 16 more stable, the sealing ring 20 can increase the sealing performance of the two ends of the rubber sleeve 17, and the rubber sleeve 17 can play a buffering and shock-absorbing role.

[0039] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0040] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0041] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A shock-absorbing electric vehicle rear axle, comprising a rear axle rod (1) and two upper mounting seats (6), characterized in that: Wheel hubs (2) are fixedly mounted on both ends of the rear axle rod (1), a transmission box (3) is fixedly mounted on the outside of the rear axle rod (1), and two lower mounting seats (5) are rotatably connected to the outside of the rear axle rod (1), and the two lower mounting seats (5) correspond to two upper mounting seats (6), and a buffer assembly is arranged between the lower mounting seats (5) and the corresponding upper mounting seats (6); The buffer assembly comprises two mounting plates (7), the two mounting plates (7) being fixedly connected to the bottom of the lower mounting seat (5) and the top of the upper mounting seat (6) respectively, and a connecting plate (10) being installed on opposite sides of the two mounting plates (7), and two buffer springs (16) being fixedly connected between the two connecting plates (10); The two connecting plates (10) are fixedly connected with an inserting strip (11) on the opposite sides thereof; the two mounting plates (7) are provided with a slot (8) on the opposite sides thereof, and the inserting strip (11) is slidably connected to the inside of the corresponding slot (8); the inner side of the mounting plate (7) is provided with a fixing opening (9); the top of the connecting plate (10) is fixedly connected with a fixing block (12); the inside of the fixing block (12) is rotatably connected with a fixing bolt (13), and the fixing bolt (13) is threadedly sleeved on the inside of the mounting plate (7).

2. The shock-absorbing electric vehicle rear axle according to claim 1, characterized in that: A rubber sleeve (17) is provided between the two connecting plates (10), and two buffer springs (16) are located inside the rubber sleeve (17). Both ends of the rubber sleeve (17) are fixedly connected with fixing rings (18), and the insides of the two fixing rings (18) are rotatably connected with four clamping screws (19), and the clamping screws (19) are threadedly sleeved on the inside of the corresponding connecting plate (10).

3. The shock-absorbing electric vehicle rear axle according to claim 1, characterized in that: Two telescopic rods (14) are fixedly connected between the two connecting plates (10), and the buffer spring (16) is movably sleeved on the outside of the corresponding telescopic rod (14).

4. The shock-absorbing electric vehicle rear axle according to claim 1, characterized in that: The slot (8) is T-shaped, and the inserting strip (11) matches the slot (8).

5. The shock-absorbing electric vehicle rear axle according to claim 2, characterized in that: The ends of the two fixing rings (18) facing away from each other are both fixedly connected with sealing rings (20).

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