Electric vehicle shock absorber spring matching assembly
By designing a multi-layered damping structure and a stable connection method, the problem of poor damping effect of electric vehicle shock absorber spring-coordinated components in mitigating mild vibrations has been solved, achieving better damping effect and device stability, and extending service life.
Patent Information
- Application Number
- CN202422145557.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-09-03
AI Technical Summary
Existing shock absorber spring-fit components for electric vehicles are not very effective at mitigating minor vibrations.
An electric vehicle shock absorber spring assembly was designed, comprising a base frame assembly, a shock absorption assembly, and a fixing assembly. By utilizing the elastic differences of different springs and the limit rod structure, combined with oil seals and dust covers, a multi-layer shock absorption effect is achieved, and the stability of the assembly is ensured by fixing bolts and connecting rods.
It effectively reduces the slight vibration of electric vehicles on uneven roads, improves the shock absorption effect, extends the service life of the shock absorption device, and prevents hydraulic oil leakage and external dust from entering.
Smart Images

Figure CN223511415U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric motor car shock absorbing technical field especially, it relates to a kind of electric motor car shock absorber spring cooperation subassembly. BACKGROUND
[0002] Electric motor car is also called as battery car, it is by battery provides electric energy, its electric motor direct current, alternating current drive pure electric motor vehicle, in our daily life, it not only makes people's life more efficient, but also makes people's life more convenient, to make people more comfortable when riding, people usually install shock-absorbing device in its forearm, to relieve the discomfort brought to people when riding on bumpy road.
[0003] Chinese patent number CN219524140U provides a kind of electric motor car shock-absorbing device, including mounting plate, handlebar connecting rod and two shock absorbers, the mounting plate is provided with upper shock-absorbing component between handlebar connecting rod, the shock absorber is provided with lower shock-absorbing component between mounting plate, same rotating shaft is rotatably connected between two shock absorbers, the rotating shaft is fixed with front wheel outside.The utility model structure design is reasonable, over lower shock-absorbing component and upper shock-absorbing component cooperation, make the shock-absorbing effect of device better, and be provided with multiple springs, make the spring tension that each spring bears reduce, not to make spring long-term in elongation or compression fatigue state, while the spring can be guided, make not easy to occur lateral displacement and cause damage to spring, improve the service life of shock-absorbing device.
[0004] A kind of electric motor car shock absorber spring cooperation subassembly in prior art, there is the following problem: although it can be by spring set in different positions to carry out one layer after another shock absorption, to reach shock absorption effect, but this way cannot very well filter for lighter shaking.
[0005] Therefore, it is urgent to design a kind of electric motor car shock absorber spring cooperation subassembly to solve the above problems. UTILITY MODEL CONTENTS
[0006] The utility model aims at solving the shortcomings in prior art, and proposes a kind of electric motor car shock absorber spring cooperation subassembly.
[0007] To achieve the above object, the utility model adopts the following technical scheme:
[0008] The utility model provides an electric vehicle shock absorber spring cooperation subassembly, including the bottom frame subassembly, the inside sliding joint of bottom frame subassembly has the shock absorption subassembly, the fixed component is fixed to the shock absorption subassembly end, the shock absorption subassembly includes slide rod, the inside sliding joint of slide rod is in the bottom frame subassembly, the inside of slide rod is provided with spring no.
[0009] Further, the bottom frame subassembly includes a bottom tube, the bottom tube has an oil injection hole on one side, and the oil injection hole is internally threaded with a plug.
[0010] Further, the bottom tube has a fixed frame fixed on one side, and the fixed frame has a fixed hole on one side.
[0011] Further, the bottom tube has an oil seal fixed inside, and the bottom tube has a dust cover sleeved on the end.
[0012] Further, the slide rod has a bottom plate slidingly connected inside, the bottom plate has a limiting rod fixed on the bottom, the limiting rod has a threaded hole on the end, and the limiting rod has a sealing gasket fixed on the end.
[0013] Further, the fixed component includes a connecting frame, the connecting frame is arranged on the end of the slide rod, the connecting frame has a square hole on the top, and the square hole has a square block slidingly connected inside.
[0014] Further, the square block has a connecting rod fixed on the top, and the square block has a connecting bolt threaded inside.
[0015] The utility model discloses the beneficial effect is:
[0016] 1. By setting the shock absorption subassembly, respectively using the elasticity of spring no. 1, spring no. 2 and spring no. 3 is different, so that the electric vehicle when passing through different uneven road, spring no. 1, spring no. 2 and spring no. 3 can carry out corresponding compression, thereby prevent the disadvantage of a spring.
[0017] 2. By setting the bottom frame subassembly, using the design of oil seal and dust cover, can prevent the hydraulic oil in the shock absorber from seeping out, also can prevent the dust from outside into the shock absorber inside.
[0018] 3. By setting the limiting rod, using the way that the screw is screwed into the threaded hole, so that the limiting rod can be fixed in the bottom tube, so that the limiting rod can prevent the slide rod from being pulled out from the bottom tube through the bottom plate, and the bottom plate can also provide support force for spring no. 1.
[0019] 4. Through the fixed assembly, the fixed bolt is sleeved into the connecting frame and is screwed into the inside of the sliding rod, so that the sliding rod and the connecting frame can be fixed together, then the square hole and the square block are matched, so that the connecting rod can drive the connecting frame to rotate when the connecting rod rotates, so that the handlebar can drive the wheels to swing when the handlebar rotates. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is an overall structural schematic view of the spring assembly of the shock absorber of the electric vehicle.
[0021] Figure 2 It is an internal structural schematic view of the spring assembly of the shock absorber of the electric vehicle.
[0022] Figure 3 It is a bottom frame assembly schematic view of the spring assembly of the shock absorber of the electric vehicle.
[0023] Figure 4 It is a shock absorbing assembly schematic view of the spring assembly of the shock absorber of the electric vehicle.
[0024] Figure 5 It is a fixed assembly schematic view of the spring assembly of the shock absorber of the electric vehicle.
[0025] In the figure: 1, bottom frame assembly; 2, bottom pipe; 3, oil injection hole; 4, plug; 5, fixed frame; 6, fixed hole; 7, oil seal; 8, dust cover; 9, shock absorbing assembly; 10, sliding rod; 11, bottom plate; 12, limiting rod; 13, threaded hole; 14, sealing gasket; 15, spring one; 16, spacer plate one; 17, oil passage one; 18, spring two; 19, spacer plate two; 20, oil passage two; 21, spring three; 22, fixed bolt; 23, fixed assembly; 24, connecting frame; 25, square hole; 26, square block; 27, connecting rod; 28, connecting bolt. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0027] It should be noted that when a component is referred to as being "on" another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components can also be present. When a component is referred to as being "disposed on" another component, it can be directly disposed on the other component or intervening components can also be present. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for purposes of description only.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0029] Please also refer to Figures 1 to 5 An electric vehicle shock absorber spring matching assembly, comprising a chassis assembly 1, a shock absorbing assembly 9 is slidably connected inside the chassis assembly 1, a fixing assembly 23 is fixed at the end of the shock absorbing assembly 9, the shock absorbing assembly 9 comprises a sliding rod 10, the sliding rod 10 is slidably connected inside the chassis assembly 1, a spring 1 15 is arranged inside the sliding rod 10, the elasticity of the spring 1 15 is slightly harder than that of the spring 2 18 and the spring 3 21, a spacer plate 1 16 is slidably connected inside the sliding rod 10, the spacer plate 1 16 makes the end of the spring 1 15 and the spring 2 18 have stress points, an oil passing hole 1 17 is formed at the top of the spacer plate 1 16, the oil passing hole 1 17 and an oil passing hole 2 20 facilitate the flow of hydraulic oil, a spring 2 18 is arranged inside the sliding rod 10, the elasticity of the spring 2 18 is slightly harder than that of the spring 3 21, a spacer plate 2 19 is slidably connected inside the sliding rod 10, an oil passing hole 2 20 is formed at the top of the spacer plate 2 19, a spring 3 21 is slidably connected inside the sliding rod 10, a fixing bolt 22 is threadedly connected inside the other end of the sliding rod 10, the fixing bolt 22 is sleeved into a connecting frame 24 and then screwed into the inside of the sliding rod 10, so as to fix the sliding rod 10 and the connecting frame 24 together.
[0030] Further, the chassis assembly 1 comprises a bottom pipe 2, an oil injection hole 3 is formed at one side of the bottom pipe 2, a plug 4 is threadedly connected inside the oil injection hole 3, the plug 4 is screwed in the oil injection hole 3 by threads, so as to prevent hydraulic oil from flowing out of the oil injection hole 3, a fixing frame 5 is fixed at one side of the bottom pipe 2, a fixing hole 6 is formed at one side of the fixing frame 5, an oil seal 7 is fixed inside the bottom pipe 2, the oil seal 7 prevents hydraulic oil from flowing out of one side of the sliding rod 10, and a dust cover 8 is sleeved at the end of the bottom pipe 2.
[0031] Further, the slide rod 10 is internally slidably connected with the bottom plate 11, the cooperation of the bottom plate 11 and the limiting rod 12 can prevent the slide rod 10 from being pulled out of the bottom pipe 2, the bottom plate 11 is fixed with the limiting rod 12 at the bottom, the limiting rod 12 is provided with a threaded hole 13 at the end, after the screw is sleeved into the bottom pipe 2 and screwed into the threaded hole 13, the movement of the limiting rod 12 can be prevented, the limiting rod 12 is fixed with a sealing gasket 14 at the end, the sealing gasket 14 can fill the gap between the limiting rod 12 and the inside of the bottom pipe 2, so as to prevent the hydraulic oil from leaking out.
[0032] Further, the fixing assembly 23 comprises a connecting frame 24, the connecting frame 24 is arranged at the end of the slide rod 10, the connecting frame 24 is provided with a square hole 25 at the top, the cooperation of the square hole 25 and the block 26 can ensure that the connecting rod 27 drives the connecting frame 24 to rotate when the connecting rod 27 rotates, the square hole 25 is slidably connected with the block 26 inside, the block 26 is fixed with the connecting rod 27 at the top, the connecting rod 27 is connected with the handlebar, the block 26 is screwedly connected with a connecting bolt 28 inside, the connecting bolt 28 is sleeved into the connecting frame 24 and then screwed into the block 26, so as to prevent the block 26 from being pulled out of the square hole 25.
[0033] Working principle: when the electric vehicle is running on the road with small concave-convex surface, such as the road paved with bricks, the vibration force generated by the front wheel will move through the limiting rod 12 in the bottom pipe 2, so as to make the bottom plate 11 press the spring one 15, because the spring one 15 is relatively hard, so the vibration will be transmitted to the spring two 18 through the spacer plate one 16, if the spring two 18 cannot well reduce the vibration, the vibration will be transmitted to the spring three 21 through the spacer plate two 19, so that a good damping effect is achieved.
[0034] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A shock absorber spring assembly for an electric vehicle, comprising a chassis assembly (1), characterized in that: The base frame assembly (1) is internally connected to a shock-absorbing assembly (9), and the end of the shock-absorbing assembly (9) is fixed with a fixing assembly (23). The shock-absorbing assembly (9) includes a slide rod (10), which is internally connected to the base frame assembly (1). The slide rod (10) is internally provided with a spring (15) and a partition plate (16) is internally connected to the slide rod (10). The top of the partition plate (16) has an oil passage hole (17). The slide rod (10) is internally provided with a spring (18) and a partition plate (19) is internally connected to the slide rod (10). The top of the partition plate (19) has an oil passage hole (20). The slide rod (10) is internally connected with a spring (21), and the other end of the slide rod (10) is internally threaded with a fixing bolt (22).
2. The electric vehicle shock absorber spring assembly according to claim 1, characterized in that: The base frame assembly (1) includes a base tube (2), and an oil injection hole (3) is provided on one side of the base tube (2). A plug (4) is threaded inside the oil injection hole (3).
3. The electric vehicle shock absorber spring assembly according to claim 2, characterized in that: A fixing bracket (5) is fixed on one side of the bottom tube (2), and a fixing hole (6) is opened on one side of the fixing bracket (5).
4. The electric vehicle shock absorber spring assembly according to claim 2, characterized in that: An oil seal (7) is fixed inside the bottom tube (2), and a dust cover (8) is sleeved on the end of the bottom tube (2).
5. The electric vehicle shock absorber spring assembly according to claim 1, characterized in that: The slide rod (10) is slidably connected to a base plate (11). A limit rod (12) is fixed at the bottom of the base plate (11). A threaded hole (13) is provided at the end of the limit rod (12). A sealing gasket (14) is fixed at the end of the limit rod (12).
6. The electric vehicle shock absorber spring assembly according to claim 2, characterized in that: The fixing component (23) includes a connecting frame (24), which is disposed at the end of the slide rod (10). A square hole (25) is provided on the top of the connecting frame (24), and a block (26) is slidably connected inside the square hole (25).
7. The electric vehicle shock absorber spring assembly according to claim 6, characterized in that: A connecting rod (27) is fixed to the top of the block (26), and a connecting bolt (28) is threaded inside the block (26).
Citation Information
Patent Citations
Damping device of electric vehicle
CN219524140U