Rear independent suspension damping device
By introducing a control motor and bevel gear system into the independent suspension shock absorber, the flexible adjustment of the buffer spring is achieved, which solves the problem of inconvenient adjustment of traditional devices and improves the driving comfort of electric vehicles under different road conditions.
Patent Information
- Application Number
- CN202421196306.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Traditional independent suspension shock absorbing devices are not convenient to adjust the softness and hardness of the buffer spring, affecting the driving comfort of electric vehicles under different road conditions.
A rear independent suspension shock absorber is designed to drive the bevel gear to rotate by adjusting the motor, drive the threaded sleeve to slide, pull the pull rod, and then move the upper plate to adjust the cushioning spring and ensure the adaptability of the cushioning performance.
It realizes flexible adjustment of the cushioning spring, improves the driving comfort of electric vehicles under different road conditions, and avoids bending of the cushioning spring affecting shock absorption performance.
Smart Images
Figure CN222271739U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shock absorbing devices, and more specifically, to a rear independent suspension shock absorbing device. Background Art
[0002] The rear independent suspension shock absorber of the electric vehicle not only effectively supports the weight of the vehicle body, but also absorbs and buffers the impact and vibration from the road surface, ensuring that passengers can enjoy a smooth and comfortable driving experience even on rough roads. At the same time, the independent suspension design enables the wheels to independently respond to changes in the road surface, improving the control stability of the electric vehicle.
[0003] However, the hardness of the buffer spring of the traditional independent suspension shock absorber is not easy to adjust, which affects the driving comfort of electric vehicles under different road conditions. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a rear independent suspension shock absorbing device. The technical problem to be solved by the present invention is that the traditional independent suspension shock absorbing device is not convenient for adjusting the hardness of the buffer spring, which affects the driving comfort of the electric vehicle.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rear independent suspension shock absorbing device comprises a lower plate and an upper plate, the interior of the lower plate is fixedly connected with two sliding sleeves, the bottom of the upper plate is fixedly connected with two sliding rods, and the two sliding rods are respectively slidably sleeved on the inside of the corresponding sliding sleeves, two buffer springs are arranged between the lower plate and the upper plate, and the two buffer springs are respectively movably sleeved on the outside of the corresponding sliding sleeves, the interior of the lower plate is rotatably connected with a threaded sleeve, the interior of the threaded sleeve is threadedly sleeved with an adjusting sleeve, the interior of the adjusting sleeve is movably sleeved with a sliding column, the bottom of the upper plate is fixedly connected with a pull rod, and the sliding column is fixedly connected to the bottom of the pull rod, the top of the lower plate is fixedly connected with an adjusting motor, the output end of the adjusting motor is fixedly connected with an active bevel gear, the exterior of the threaded sleeve is fixedly connected with a driven bevel gear, and the active bevel gear is meshed with the driven bevel gear.
[0006] like Figure 1-3 As shown, the specific implementation method is as follows: the buffer spring is started to play a buffering and shock-absorbing role, and the sliding rod is set to slide on the sliding sleeve, so that the buffer spring can be made more stable, and the buffer spring can be prevented from bending and affecting the shock-absorbing performance. The active bevel gear is driven to rotate by starting the adjusting motor, and then the threaded sleeve can be driven to rotate through the meshing driven bevel gear. Subsequently, the adjusting sleeve can be driven to slide on the threaded sleeve under the action of the thread, and then the pull rod can be pulled to move, thereby driving the upper plate to move, and then the buffering performance of the buffer spring can be adjusted, making the electric vehicle more comfortable to drive.
[0007] In a preferred embodiment, two upper sleeves are fixedly connected to the bottom of the upper plate, and two lower sleeves are fixedly connected to the top of the lower plate. The two upper sleeves are respectively fixedly sleeved with rubber sleeves on the outside of the corresponding lower sleeves.
[0008] The rubber sleeve can protect the buffer spring and prevent debris from being stuck inside the buffer spring.
[0009] In a preferred embodiment, the outside of the adjusting sleeve is fixedly connected to a limiting block, the bottom of the upper plate is fixedly connected to a limiting rod, and the limiting rod is movably sleeved inside the limiting block.
[0010] The adjusting sleeve can be limited by the provided limiting rod and limiting block to prevent the adjusting sleeve from rotating.
[0011] In a preferred embodiment, a protective shell is fixedly connected to the bottom of the lower plate, the adjustment motor is located inside the protective shell, and the threaded sleeve is rotatably connected to the inside of the protective shell.
[0012] The protective shell provided can provide protection for the regulating motor.
[0013] In a preferred embodiment, the outer parts of the upper sleeve and the lower sleeve are movably sleeved with a fixing hoop, and the rubber sleeve is located on the inner side of the fixing hoop.
[0014] The rubber sleeve can be further fixed by the provided fixing hoop.
[0015] In a preferred embodiment, the pull rod is located at the bottom center of the upper plate.
[0016] By locating the pull rod at the bottom center of the upper plate, the forces on both ends of the upper plate can be more evenly distributed.
[0017] Technical effects and advantages of the utility model:
[0018] By starting the adjusting motor, the active bevel gear can be driven to rotate, and then the threaded sleeve can be driven to rotate through the meshing driven bevel gear. Subsequently, the adjusting sleeve can be driven to slide on the threaded sleeve under the action of the thread, and then the pull rod can be pulled to move, thereby driving the upper plate to move, and then the buffering performance of the buffer spring can be adjusted, making the electric vehicle more comfortable to drive. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the protective shell and rubber sleeve of the utility model.
[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the adjusting sleeve of the utility model.
[0022] The accompanying drawings are marked as follows: 1. lower plate; 2. upper plate; 3. sliding sleeve; 4. sliding rod; 5. buffer spring; 6. threaded sleeve; 7. adjusting sleeve; 8. pull rod; 9. limit rod; 10. limit block; 11. adjusting motor; 12. active bevel gear; 13. driven bevel gear; 14. protective shell; 15. upper sleeve seat; 16. rubber sleeve; 17. fixing hoop; 18. sliding column; 19. lower sleeve seat. 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 rear independent suspension shock absorbing device, comprising a lower plate 1 and an upper plate 2, wherein two sliding sleeves 3 are fixedly connected inside the lower plate 1, two sliding rods 4 are fixedly connected to the bottom of the upper plate 2, and the two sliding rods 4 are respectively slidably sleeved in the corresponding interiors of the sliding sleeves 3, two buffer springs 5 are arranged between the lower plate 1 and the upper plate 2, and the two buffer springs 5 are respectively movably sleeved on the outsides of the corresponding sliding sleeves 3, a threaded sleeve 6 is rotatably connected inside the lower plate 1, an adjusting sleeve 7 is threadedly sleeved inside the threaded sleeve 6, a sliding column 18 is movably sleeved inside the adjusting sleeve 7, a pull rod 8 is fixedly connected to the bottom of the upper plate 2, and the sliding column 18 is fixedly connected to the bottom of the pull rod 8, an adjusting motor 11 is fixedly connected to the top of the lower plate 1, an active bevel gear 12 is fixedly connected to the output end of the adjusting motor 11, a driven bevel gear 13 is fixedly connected to the outside of the threaded sleeve 6, and the active bevel gear 12 is meshed with the driven bevel gear 13.
[0025] like Figure 1-3 As shown, the specific implementation method is as follows: the buffer spring 5 is started to play a buffering and shock-absorbing role, and the sliding rod 4 is set to slide on the sliding sleeve 3, so that the buffer spring 5 can be made more stable, and the buffer spring 5 can be prevented from bending and affecting the shock-absorbing performance. The active bevel gear 12 is driven to rotate by starting the adjusting motor 11, and then the threaded sleeve 6 can be driven to rotate through the meshing driven bevel gear 13, and then the adjusting sleeve 7 can be driven to slide on the threaded sleeve 6 under the action of the thread, and then the pull rod 8 can be pulled to move, thereby driving the upper plate 2 to move, and then the buffering performance of the buffer spring 5 can be adjusted, making the electric vehicle more comfortable to drive.
[0026] Two upper sleeves 15 are fixedly connected to the bottom of the upper plate 2, and two lower sleeves 19 are fixedly connected to the top of the lower plate 1. The two upper sleeves 15 are respectively fixedly sleeved with rubber sleeves 16 on the outside of the corresponding lower sleeves 19.
[0027] like Figure 1-2 As shown, the specific implementation is as follows: the rubber sleeve 16 can protect the buffer spring 5 and prevent debris from being stuck inside the buffer spring 5.
[0028] The outside of the adjusting sleeve 7 is fixedly connected to the limiting block 10 , the bottom of the upper plate 2 is fixedly connected to the limiting rod 9 , and the limiting rod 9 is movably sleeved inside the limiting block 10 .
[0029] like Figure 1-3 As shown, the specific implementation is: the adjusting sleeve 7 can be limited by the provided limiting rod 9 and limiting block 10 to prevent the adjusting sleeve 7 from rotating.
[0030] The bottom of the lower plate 1 is fixedly connected with a protective shell 14 , the adjusting motor 11 is located inside the protective shell 14 , and the threaded sleeve 6 is rotatably connected to the inside of the protective shell 14 .
[0031] like Figure 1-2 As shown, the specific implementation is: the protective shell 14 can provide protection for the adjustment motor 11.
[0032] The outer parts of the upper sleeve 15 and the lower sleeve 19 are both movably sleeved with a fixing hoop 17 , and the rubber sleeve 16 is located on the inner side of the fixing hoop 17 .
[0033] like Figure 1-2 As shown, the specific implementation is that the rubber sleeve 16 can be further fixed by the provided fixing hoop 17 .
[0034] The pull rod 8 is located at the bottom center of the upper plate 2 .
[0035] like Figure 1-2 As shown, the specific implementation is: by locating the pull rod 8 at the bottom center of the upper plate 2, the forces on both ends of the upper plate 2 can be more evenly distributed.
[0036] Working principle of this utility model:
[0037] When it is necessary to adjust the buffering performance of the buffer spring 5, first start the adjusting motor 11 to drive the active bevel gear 12 to rotate, then the meshing driven bevel gear 13 can drive the threaded sleeve 6 to rotate, and then the adjusting sleeve 7 can be driven to slide on the threaded sleeve 6 under the action of the thread, and then the pull rod 8 can be pulled to move, thereby driving the upper plate 2 to move, and then the buffering performance of the buffer spring 5 can be adjusted, making the electric vehicle more comfortable to drive.
[0038] 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;
[0039] 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;
[0040] 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 rear independent suspension shock absorbing device, comprising a lower plate (1) and an upper plate (2), characterized in that: The interior of the lower plate (1) is fixedly connected to two sliding sleeves (3); the bottom of the upper plate (2) is fixedly connected to two sliding rods (4), and the two sliding rods (4) are respectively slidably sleeved in the interior of the corresponding sliding sleeves (3); two buffer springs (5) are arranged between the lower plate (1) and the upper plate (2), and the two buffer springs (5) are respectively movably sleeved in the exterior of the corresponding sliding sleeves (3); the interior of the lower plate (1) is rotatably connected to a threaded sleeve (6), and the internal thread of the threaded sleeve (6) is sleeved with an adjusting screw. The adjusting sleeve (7) is internally movably sleeved with a sliding column (18), the bottom of the upper plate (2) is fixedly connected with a pull rod (8), and the sliding column (18) is fixedly connected to the bottom of the pull rod (8), the top of the lower plate (1) is fixedly connected with an adjusting motor (11), the output end of the adjusting motor (11) is fixedly connected with an active bevel gear (12), the outside of the threaded sleeve (6) is fixedly connected with a driven bevel gear (13), and the active bevel gear (12) is meshed with the driven bevel gear (13).
2. A rear independent suspension shock absorbing device according to claim 1, characterized in that: The bottom of the upper plate (2) is fixedly connected to two upper sleeves (15), and the top of the lower plate (1) is fixedly connected to two lower sleeves (19). The two upper sleeves (15) are respectively fixedly sleeved with rubber sleeves (16) on the outside of the corresponding lower sleeves (19).
3. The rear independent suspension shock absorbing device according to claim 1, characterized in that: The outside of the adjustment sleeve (7) is fixedly connected to a limit block (10), the bottom of the upper plate (2) is fixedly connected to a limit rod (9), and the limit rod (9) is movably sleeved inside the limit block (10).
4. The rear independent suspension shock absorbing device according to claim 1, characterized in that: The bottom of the lower plate (1) is fixedly connected to a protective shell (14), the adjustment motor (11) is located inside the protective shell (14), and the threaded sleeve (6) is rotatably connected to the inside of the protective shell (14).
5. The rear independent suspension shock absorbing device according to claim 2, characterized in that: The outer parts of the upper sleeve seat (15) and the lower sleeve seat (19) are both movably sleeved with a fixing hoop (17), and the rubber sleeve (16) is located on the inner side of the fixing hoop (17).
6. The rear independent suspension shock absorbing device according to claim 2, characterized in that: The pull rod (8) is located at the bottom center of the upper plate (2).