CN221195890U

CN221195890U - Novel hydraulic shock absorber of electric low-speed vehicle

Info

Publication number: CN221195890U
Application number: CN202323146788.0U
Authority: CN
Inventors: 吕培近; 周雪梅; 张松
Original assignee: Liaocheng Gaotang Yiguo Auto Parts Co ltd
Current assignee: Liaocheng Gaotang Yiguo Auto Parts Co ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-06-21
Anticipated expiration: 2033-11-22

Abstract

The utility model belongs to the technical field of automobile shock absorbers, and particularly relates to a novel hydraulic shock absorber of an electric low-speed vehicle, which comprises a hanging ring bushing, an oil storage cylinder, a spring pad, a dust cover and a piston rod, wherein a spring disc is sleeved on the outer side of the oil storage cylinder, the spring disc is fixedly connected with the spring pad, and a spring is fixedly installed between the spring pad and the dust cover. The utility model uses the upper connecting device, the hanging ring bushing, the spring, the seal, the guide, the cold plate valve plate, the piston head, the restoring valve plate and the M8 locknut in a matched manner, so that the use effect is achieved, the vibration and jolt caused by uneven roads in the running process of the vehicle are reduced, smoother running feeling is provided by absorbing and dispersing impact force, and the uncomfortable feeling of a driver and passengers is reduced.

Description

Novel hydraulic shock absorber of electric low-speed vehicle

Technical Field

The utility model relates to the technical field of automobile shock absorbers, in particular to a novel hydraulic shock absorber of an electric low-speed automobile.

Background

An automobile shock absorbing system is a bridge connecting a vehicle and a road surface, and not only bears the weight of the vehicle, but also absorbs and dampens impact from the road surface. The quality of the suspension system directly affects the handling and riding comfort of the vehicle.

The shock absorber is an important component part in an automobile suspension system and is used for relieving and absorbing vibration and impact generated in the running process of a vehicle and improving the driving comfort and stability; with the rapid development of the electric low-speed automobile industry, higher requirements are also put on the performance and effect of the shock absorber.

The shock absorber can absorb and buffer vibration and impact generated during running of the vehicle, and prevent the energy from being transferred to the vehicle body, thereby improving driving comfort and stability.

With the continuous development of the automobile industry, higher requirements are also put forward on the performance and effect of the shock absorber; future shock absorbers pay more attention to the development of light weight, high efficiency and intelligence, and can better adapt to different road conditions and driving requirements.

The design and production of shock absorbers presents a number of technical challenges, such as how to improve shock absorption, how to reduce noise and vibration, such as but not limited to durability and reliability. The resolution of these technical problems will directly affect the performance and market competitiveness of the shock absorber; but some low-speed electric vehicles on the market at present only have one spring and damper support for damping, if the vehicle passes through a hollow zone, the whole vehicle can jolt and bounce, sitting is very uncomfortable, and part of low-speed electric vehicles enter an oil seal lip in a damper gap, so that oil leakage is caused, and the performance of the damper is seriously affected.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a novel hydraulic shock absorber of an electric low-speed vehicle, and solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel electronic low-speed car hydraulic shock absorber, includes rings bush, oil storage cylinder, spring pad, dust cover, piston rod, the spring holder has been cup jointed in the oil storage cylinder outside, the spring holder with spring pad fixed connection, the spring pad with still fixed mounting has the spring between the dust cover, the one end that the dust cover kept away from the oil storage cylinder still fixed mounting has the one end of opening disc, the other end of opening disc still fixed mounting has the cap, the piston rod runs through connecting device fixed mounting in inside the oil storage cylinder; the novel oil storage device is characterized in that a sealing, guiding, cold plate valve plates and a piston head are fixedly arranged between the oil storage cylinder and the piston rod, a restoring valve plate is nested inside the piston head, an M loosening nut is fixedly arranged at one end of the piston rod, which is far away from the cap, a rear plug is fixedly arranged at one end of the oil storage cylinder, which is far away from the cap, and a plate-type bottom valve is fixedly arranged inside the oil storage cylinder, and the rear plug is fixedly connected with the lifting ring bushing.

As a preferable technical scheme of the utility model, the upper connecting device sequentially comprises an M galvanized nut, a rubber buffer block, a large gasket and a galvanized thick pad from the cap to the lifting ring bushing, wherein the galvanized thick pad, the large gasket and the rubber buffer block are fixedly arranged with the piston rod and the spring extrusion dust cover through the M galvanized nut.

As a preferred embodiment of the present utility model, the sealing, guiding, cold plate valve plate, piston head and restoring valve plate are fixedly installed by the M loosening nut and the spring pressing spring pad.

As a preferable technical scheme of the utility model, the plate-type bottom valve is fixedly arranged at one end, close to the hanging ring bushing, of the oil storage cylinder.

As a preferable technical scheme of the utility model, two large gaskets and two rubber buffer blocks are arranged, and the large gaskets and the rubber buffer blocks are symmetrically arranged.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the upper connecting device, the lifting ring bushing, the spring, the seal, the guide, the cold plate valve plate, the piston head, the recovery valve plate and the M8 locknut are mutually matched for use, so that the use effect is achieved, vibration and jolt caused by uneven roads in the running process of a vehicle are reduced, smoother running feeling is provided by absorbing and dispersing impact force, discomfort of a driver and passengers is reduced, the shock absorber provides more comfortable running experience by absorbing and controlling vibration of the vehicle, the sensitivity of a chassis and a vehicle body to uneven roads is reduced, jolt and shaking feeling is reduced, the driver and the passengers are more comfortable, the handling performance and stability of the vehicle can be improved, the rolling and unstable phenomena of the vehicle when the vehicle encounters jolt or sharp turns are reduced, the driver can master the vehicle more easily, the running safety is improved, the contact between the wheels and the ground is helped, the grasping force and the handling performance of the vehicle are improved, the running stability and safety are increased, the damage and abrasion caused to the vehicle body due to jolt and vibration are reduced, the impact force is absorbed and dispersed, the influence on the vehicle body structure is reduced, and the service life of the whole vehicle is prolonged.

2. The utility model has the advantages of simple structure, simple and convenient use, strong practicability and wide application range.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a front view of the present utility model;

Fig. 3 is a cross-sectional view of fig. 2 A-A.

In the figure: 1. a lifting ring bushing; 2. a reservoir cylinder; 3. a spring plate; 4. a spring pad; 5. a spring; 6. a dust cover; 7. a split disc; 8. a galvanized thick pad; 9. a large gasket; 10. a rubber buffer block; 11. m10 zinc-plated nuts; 12. a piston rod; 13. sealing; 14. guiding; 15. a cold plate valve plate; 16. a piston head; 17. restoring the valve plate; 18. an M8 locknut; 19. a plate-type bottom valve; 20. plugging the rear part; 21. 38 caps.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a novel electronic low-speed car hydraulic shock absorber, including rings bush 1, oil storage jar 2, spring pad 4, dust cover 6, piston rod 12, spring holder 3 has been cup jointed in the oil storage jar 2 outside, spring holder 3 and spring pad 4 fixed connection still fixed mounting has spring 5 between spring pad 4 and the dust cover 6, the one end that oil storage jar 2 was kept away from to dust cover 6 still fixed mounting has the one end of opening dish 7, the other end of opening dish 7 still fixed mounting has 38 caps 21, connecting device fixed mounting is in oil storage jar 2 inside in the piston rod 12 runs through; a seal 13, a guide 14, a cold plate valve 15 and a piston head 16 are fixedly arranged between the oil storage cylinder 2 and the piston rod 12, a restoring valve plate 17 is nested in the piston head 16, an M8 locknut 18 is fixedly arranged at one end of the piston rod 12, which is far away from a 38 cap 21, a rear plug 20 is fixedly arranged at one end of the oil storage cylinder 2, which is far away from the 38 cap 21, a plate-type bottom valve 19 is fixedly arranged in the oil storage cylinder 2, and the rear plug 20 is fixedly connected with the lifting ring bushing 1.

In the embodiment, a cavity is arranged in the oil storage cylinder 2; the piston rod 12 is inserted into the cavity, the piston rod 12, the piston combined cold plate valve 15, the piston head 16, the restoring valve plate 17 and the M8 locknut 18 are arranged between the piston rod 12 and the oil storage cylinder 2, the piston combined cold plate valve 15, the piston head 16, the restoring valve plate 17 and the M8 locknut 18 are abutted against the inner wall of the oil storage cylinder 2, and the piston combined cold plate valve 15, the piston head 16, the restoring valve plate 17 and the M8 locknut 18 divide the cavity into a first cavity and a second cavity; the two damping cold plate valve pieces 15 and the restoring valve piece 17 are respectively arranged in the first cavity and the second cavity, and the damping component is used for adjusting the flow rate of liquid in the cavities; a spring disc 3 is welded on the outer wall of the oil storage cylinder, a spring pad 4 is covered on the upper end of the spring disc, the spring 5 is compressed by the upper end of the spring pad 4 and an opening disc 7 together, and the pre-pressing distance is 10mm, so that the shock absorber has enough initial pre-pressing force; the bottom end of the shock absorber is connected with the frame through an M12 bolt penetrating through an inner hole of the lifting ring bushing 1. The top end of the shock absorber is embedded into a connecting hole of a vehicle frame through a piston rod 12, then is clamped and installed by a rubber buffer block 10 of a lower large gasket 9 and a large gasket 9 of an upper rubber buffer block 10, and finally is screwed by 2M 10 galvanized nuts 11 to complete assembly.

Specifically, the upper connecting device sequentially comprises an M10 galvanized nut 11, a rubber buffer block 10, a large gasket 9 and a galvanized thick gasket 8 from the 38 caps 21 to the lifting ring bushing 1, wherein the galvanized thick gasket 8, the large gasket 9 and the rubber buffer block 10 are fixedly installed with a piston rod 12 through the M10 galvanized nut 11 and the spring 5 is extruded to fixedly install the dust cover 6.

In the embodiment, the two ends of the shock absorber are respectively provided with a connecting device, and the upper end connecting device comprises a galvanized thick pad 8, a large gasket 9, a rubber buffer block 10 and an M10 galvanized nut 11 which are combined together. The lower connecting device comprises a rear plug 20 of the hanging ring bushing 1.

Specifically, the seal 13, guide 14, cold plate valve plate 15, piston head 16 and return valve plate 17 are fixedly mounted by the M8 locknut 18 and spring 5 pressing against the spring pad 4.

In this embodiment, the seal 13, the guide 14, the cold plate valve plate 15, the piston head 16 and the restoring valve plate 17 are fixed by two-side extrusion, so that the device is simpler and more convenient.

Specifically, the plate-type bottom valve 19 is fixedly installed at one end, close to the lifting ring bushing 1, inside the oil storage cylinder 2.

In this embodiment, the plate-type bottom valve 19 is welded to the reservoir tube 2.

Specifically, two large gaskets 9 and two rubber buffer blocks 10 are arranged, and the large gaskets 9 and the rubber buffer blocks 10 are symmetrically arranged.

In this embodiment, the symmetrical arrangement of the large pad 9 and the rubber bumper 10 ensures stability when the device is mounted on a vehicle.

The working principle and the using flow of the utility model are as follows: when the device is needed to be used, a vehicle runs on an uneven road surface, when a tire bumps or impacts, the shock absorber starts to play, damping oil in the hydraulic damper is compressed and flows through the valve control, the piston moves along with the movement of the vehicle in the hydraulic damper, the damping oil is compressed, the damping oil flows through the valve to form damping force, impact force is absorbed and transferred to liquid, the speed and damping characteristic of the damping oil are controlled through the valve and the channel in the flow of the damping oil in the oil cylinder, the impact force is relieved and the energy is dispersed and dissipated, the impact influence is reduced, the vibration and the bump feeling of the vehicle in the running process are reduced, and a smoother and comfortable running experience is provided.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a novel electronic low-speed car hydraulic shock absorber, includes rings bush (1), oil storage jar (2), spring pad (4), dust cover (6), piston rod (12), its characterized in that: the oil storage cylinder (2) is characterized in that a spring disc (3) is sleeved on the outer side of the oil storage cylinder (2), the spring disc (3) is fixedly connected with the spring pad (4), a spring (5) is fixedly installed between the spring pad (4) and the dust cover (6), one end, far away from the oil storage cylinder (2), of the dust cover (6) is fixedly provided with one end of an opening disc (7), the other end of the opening disc (7) is fixedly provided with a 38 cap (21), and a piston rod (12) penetrates through the upper connecting device and is fixedly installed inside the oil storage cylinder (2); the novel oil storage cylinder is characterized in that a seal (13), a guide (14), a cold plate valve plate (15) and a piston head (16) are fixedly arranged between the oil storage cylinder (2) and the piston rod (12), a restoration valve plate (17) is nested inside the piston head (16), an M8 locknut (18) is fixedly arranged at one end, far away from the 38 caps (21), of the piston rod (12), a rear plug (20) is fixedly arranged at one end, far away from the 38 caps (21), of the oil storage cylinder (2), a plate-type bottom valve (19) is fixedly arranged inside the oil storage cylinder (2), and the rear plug (20) is fixedly connected with the hanging ring bushing (1).

2. The novel electric low-speed car hydraulic shock absorber according to claim 1, wherein: last connecting device is from 38 cap (21) to rings bush (1) direction include M10 galvanized nut (11), rubber buffer block (10), big gasket (9), galvanized thick pad (8) in proper order, galvanized thick pad (8), big gasket (9), rubber buffer block (10) are through M10 galvanized nut (11) with piston rod (12) fixed mounting and spring (5) extrusion dust cover (6) fixed mounting.

3. The novel electric low-speed car hydraulic shock absorber according to claim 1, wherein: the sealing (13), the guide (14), the cold plate valve plate (15), the piston head (16) and the restoring valve plate (17) are fixedly installed by pressing the spring pad (4) through the M8 locknut (18) and the spring (5).

4. The novel electric low-speed car hydraulic shock absorber according to claim 1, wherein: the plate-type bottom valve (19) is fixedly arranged at one end, close to the lifting ring bushing (1), inside the oil storage cylinder (2).

5. The novel electric low-speed car hydraulic shock absorber according to claim 2, wherein: two large gaskets (9) and two rubber buffer blocks (10) are arranged, and the large gaskets (9) and the rubber buffer blocks (10) are symmetrically arranged.