Multifunctional hydraulic damping system

By designing a multi-functional hydraulic damping system consisting of a piston cylinder, a hydraulic cylinder, a plunger-type hydraulic cylinder, and a scraper structure, the problem of damage to the chassis caused by automatic damping on bumpy roads in traditional systems has been solved. This system enables suspension height adjustment and oil pipe cleaning, thereby improving vehicle stability and hydraulic oil delivery efficiency.

CN223781977UActive Publication Date: 2026-01-09SHANGHAI UNIV OF ENG SCI
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Patent Information

Application Number
CN202520688243.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-01-09
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

Traditional multi-functional hydraulic shock absorption systems may damage the car's floor when encountering potholes, reducing shock absorption efficiency.

Method used

A multifunctional hydraulic damping system was designed, including a piston cylinder, a hydraulic cylinder, a plunger-type hydraulic cylinder, an oil supply pipe, and a scraper structure. The system improves suspension stability and hydraulic oil flow efficiency by hydraulically controlling suspension height adjustment and cleaning the inner wall of the oil supply pipe.

Benefits of technology

It effectively reduces vehicle swaying during driving, improves suspension stability, and keeps the inner wall of the oil pipe clean, thereby enhancing vehicle stability and the stability of hydraulic oil delivery.

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Abstract

The utility model belongs to the technical field of automobile damping, and discloses a multifunctional hydraulic damping system which comprises an automobile connecting nut, a damping spring is arranged on the outer side of the automobile connecting nut, a first mounting seat is fixedly connected to the bottom end of the damping spring, and a damping connecting rod is arranged at the bottom end of the automobile connecting nut through threads. A piston cylinder body is connected to the bottom end of the outer surface of the damping connecting rod in a sleeving mode, a hydraulic cylinder body is connected to the bottom end of the outer surface of the piston cylinder body in a sleeving mode, a plunger type hydraulic cylinder is connected to the bottom end of the hydraulic cylinder body in a sleeving mode, a second mounting base is integrally formed at the bottom end of the outer surface of the plunger type hydraulic cylinder, and an oil conveying pipe is connected to the interior of the second mounting base in an embedded mode; according to the multifunctional hydraulic damping system, the height of the suspension is increased according to the requirements of a user, so that shaking of the suspension in the automobile running process is effectively reduced, the automobile running process is more stable, and the stability of the automobile used by the user and provided with the multifunctional hydraulic damping system is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile shock absorption, especially relates to multi -functional hydraulic shock absorption system. BACKGROUND

[0002] After ten years of high -speed growth, the continuous increase of the automobile population of our country, the rapid development of our country's automobile market promotes the research and development upgrading of all automobile manufacturers to vehicles, which includes the research and development upgrading of automobile suspensions. The automobile suspension is the general term of the elastic connecting device between the frame or the vehicle body and the axle or the wheel. Its function is to elastically connect the axle and the frame or the vehicle body, so as to buffer the impact force received during vehicle driving, ensure the integrity of goods and the comfort of personnel, attenuate the vibration caused by the elastic system, keep the stable posture of the automobile during driving, improve the steering stability. Once the parameter setting of the suspension system of the domestic automobile is set, the automobile cannot be adjusted during driving, which limits the performance of the suspension.

[0003] With the development of electronic technology and air pressure technology, a kind of air pressure suspension system is gradually used on high-grade cars at home and abroad, which solves this problem well. The air pressure suspension system has the characteristics of traditional suspension, and can adjust its parameters during automobile driving. It controls the suspension rod through the air pressure cylinder, so that the vehicle body can be raised or lowered. In this way, when the automobile drives at high speed, the height of the vehicle can be reduced to reduce wind resistance and steering stability.

[0004] However, the traditional multi -functional hydraulic shock absorption system usually needs to automatically shock absorption when there is a bumpy road in front of the user. The automatic shock absorption mode may cause damage to the bottom plate of the automobile, thereby reducing the shock absorption efficiency of the multi -functional hydraulic shock absorption system. UTILITY MODEL CONTENTS

[0005] The utility model discloses to the prior art usually needs to automatically shock absorption, when there is a bumpy road in front of the user, the automatic shock absorption mode may cause damage to the bottom plate of the automobile, thereby reducing the shock absorption efficiency of the multi -functional hydraulic shock absorption system. The technical scheme is as follows:

[0006] A kind of multi -functional hydraulic shock absorption system, including car connecting nut, the shock absorbing spring is arranged outside the car connecting nut, the shock absorbing spring bottom end is fixedly connected with mounting seat one, the car connecting nut bottom end is connected with shock absorption connecting rod by thread, the mounting seat one is fixedly connected on the outer surface of shock absorption connecting rod, the outer surface bottom end of shock absorption connecting rod is connected with piston cylinder body with sleeve joint, the outer surface bottom end of piston cylinder body is connected with hydraulic cylinder body with sleeve joint, the hydraulic cylinder body bottom end is connected with plunger type hydraulic cylinder with sleeve joint, the outer surface bottom end of plunger type hydraulic cylinder is integrally formed with mounting seat two, the oil pipe is embeddedly connected in mounting seat two, the control oil port is embeddedly connected in the bottom end of plunger type hydraulic cylinder.

[0007] As the preferred of the above technical scheme, the outer surface top end of the piston cylinder is connected with a fixing screw through thread, and the fixing screw penetrates the piston cylinder and the outer surface of the damping connecting rod.

[0008] As the preferred of the above technical scheme, the front and rear plunger type hydraulic groups are combined by the above structure, the number of the front and rear plunger type hydraulic groups is four, an oil outlet pipe one is arranged between the four front and rear plunger type hydraulic groups, the oil outlet pipe one is staggered, two oil outlet pipe twos are embedded and connected at one end surface of the oil outlet pipe one, hydraulic pumps are fixedly installed at the other end surfaces of the two oil outlet pipe twos, one motor is arranged between the two hydraulic pumps, and one-way valves are embedded and connected in the oil outlet pipe two.

[0009] As the preferred of the above technical scheme, the oil outlet pipe is fixedly connected with a cross, the cross is rotatably connected with a rotating shaft, a plurality of arc-shaped baffles are fixedly connected to the outer surface of the rotating shaft, annular seats are fixedly connected to the edges of the two ends of the rotating shaft, and a plurality of scrapers are fixedly connected to the opposite end surfaces of the two annular seats.

[0010] As the preferred of the above technical scheme, the number of the scrapers is three, and the three scrapers are attached to the inner wall of the oil outlet pipe.

[0011] The two end surfaces of the rotating shaft are fixedly connected with limit blocks.

[0012] The beneficial effects of the utility model are as follows:

[0013] (1) The height of the suspension is improved according to the requirements of the user, so that the suspension effectively reduces the shaking of the automobile during driving, and the automobile driving process is more stable, thereby improving the stability of the user using the automobile installed with the multifunctional hydraulic damping system;

[0014] (2) When the hydraulic oil flows, the scraper is driven to clean the inner wall of the oil outlet pipe, so that the inner wall of the oil outlet pipe is more clean, thereby avoiding the problem that the inner wall of the oil outlet pipe is left with impurities when the oil outlet pipe transports hydraulic oil for a long time, thereby improving the stability of the oil outlet pipe conveying hydraulic oil. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure schematic view of the plunger type hydraulic cylinder in example 1 is shown;

[0016] Figure 2 The bottom structure schematic view of the plunger type hydraulic cylinder in example 1 is shown;

[0017] Figure 3 The structure schematic view of the oil outlet pipe in example 1 is shown;

[0018] Figure 4 The structure diagram of the arc-shaped baffle in the embodiment 1 is shown.

[0019] Figure 5 The structure diagram of the multifunctional hydraulic damping system in the embodiment 1 is shown.

[0020] In the figure: 1, the car connecting nut; 2, the damping spring; 3, the mounting seat one; 4, the damping connecting rod; 5, the piston cylinder; 6, the hydraulic cylinder; 7, the plunger hydraulic cylinder; 8, the mounting seat two; 9, the oil pipe; 10, the control oil port; 11, the fixed screw; 12, the front and rear plunger hydraulic group; 13, the oil outlet pipe one; 14, the oil outlet pipe two; 15, the hydraulic pump; 16, the motor; 17, the check valve; 18, the cross; 19, the rotating shaft; 20, the arc-shaped baffle; 21, the annular seat; 22, the scraper; 23, the limiting block. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the utility model technical scheme will be described clearly and completely below in combination with embodiments.

[0022] Embodiment 1: the utility model provides a multifunctional hydraulic damping system, as Figures 1 to 5 Shown, including: car connecting nut 1, the car connecting nut outside is provided with damping spring 2, and the damping spring 2 bottom end is fixedly connected with mounting seat one 3, and the car connecting nut 1 bottom end is connected with damping connecting rod 4 through thread, and the mounting seat one 3 is fixedly connected to the outer surface of damping connecting rod 4, and the outer surface bottom end of damping connecting rod 4 is connected with hydraulic cylinder 6 by sleeve joint, and the hydraulic cylinder 6 bottom end is connected with plunger hydraulic cylinder 7 by sleeve joint, and the plunger hydraulic cylinder 7 outer surface bottom end is integrally formed with mounting seat two 8, and the mounting seat two 8 is embeddedly connected with oil pipe 9, and the plunger hydraulic cylinder 7 bottom end is embeddedly connected with control oil port 10, and the existing multifunctional hydraulic damping system is connected with suspension through car connecting nut 1.

[0023] As Figure 1 And Figure 2 Shown, the piston cylinder 5 one outer surface top end is connected with fixed screw 11 through thread, and the fixed screw 11 penetrates piston cylinder 5 and the outer surface of damping connecting rod 4, and the piston cylinder 5 and damping connecting rod 4 are fixed by fixed screw 11, so that the connection between the piston cylinder 5 and damping connecting rod 4 is more closely, and then the problem that the piston cylinder 5 and damping connecting rod 4 appear accidental separation is avoided, thereby the stability of the piston cylinder 5 and damping connecting rod 4 is improved.

[0024] As Figure 1 , Figure 2 And Figure 5As shown, the above structure combination is formed into the front and rear plunger type hydraulic group 12, the number of the front and rear plunger type hydraulic group 12 is set to four, the oil outlet pipe one 13 is arranged between the four front and rear plunger type hydraulic groups 12, the oil outlet pipe one 13 is staggered, the oil outlet pipe one 13 is embedded at one end surface and connected with two oil outlet pipes two 14, the other end surface of the two oil outlet pipes two 14 is fixedly installed with the hydraulic pump 15, the same motor 16 is arranged between the two hydraulic pumps 15, the motor 16 is the power element of the hydraulic pump 15, in addition, there is an external hydraulic oil tank, the motor 16 inhales oil from the hydraulic oil tank to form pressure oil discharge and send to the hydraulic pump 15 to make the hydraulic pump 15 work, the above is the prior art, which can refer to the definition of "hydraulic pump" in Baidu Encyclopedia. The hydraulic pump is divided into gear pump, plunger pump, vane pump and screw pump according to structure, the one-way valve 17 is embedded in the oil outlet pipe two 14, the electromagnetic valve is arranged on the outer surface of the oil outlet pipe two 14, by controlling the hydraulic pump 15 and the electromagnetic valve, the oil discharge amount of the hydraulic pump 15 is more accurate, so that the user can quickly adjust the oil discharge amount according to the actual need, thereby improving the flexibility of operation.

[0025] As shown in Figure 3 and Figure 4 , the oil delivery pipe 9 is fixedly connected with a cross 18 inside, the cross 18 is rotatably connected with a rotating shaft 19 inside, as shown in Figure 3 and Figure 4 , the rotating shaft 19 is fixedly connected with a limiting block 23 at both end surfaces, the rotating shaft 19 is limited by the two limiting blocks 23, so that the rotating process of the rotating shaft 19 is more stable, thereby avoiding the problem of deviation of the rotating shaft 19 during rotation, thereby improving the stability of the rotating shaft 19, the outer surface of the rotating shaft 19 is fixedly connected with a plurality of arc baffles 20, the two ends of the rotating shaft 19 are fixedly connected with a ring seat 21 at the edge position, the opposite end surfaces of the two ring seats 21 are fixedly connected with a plurality of scrapers 22, the scrapers 22 are driven to rotate by the flow of hydraulic oil, thereby avoiding the energy waste caused by the flow of hydraulic oil, and the impurities on the inner wall of the oil delivery pipe 9 are cleaned by the scrapers 22, thereby improving the efficiency of the flow of hydraulic oil.

[0026] As shown in Figure 3 and Figure 4 , the number of the scraper 22 is set to three, the three scrapers 22 are attached to the inner wall of the oil delivery pipe 9, the inner wall of the oil delivery pipe 9 is cleaned by the scraper 22 when the hydraulic oil flows, so that the inner wall of the oil delivery pipe 9 is cleaner, thereby avoiding the problem that the inner wall of the oil delivery pipe 9 is left with impurities when the oil delivery pipe 9 transports hydraulic oil for a long time, thereby improving the stability of the oil delivery pipe 9 in transporting hydraulic oil.

[0027] Working principle: when the device is used, when the suspension needs to be lifted, the motor 16 is started to drive the hydraulic pump 15, the hydraulic pump 15 drives to extrude the internal hydraulic oil, so that the hydraulic oil enters the oil outlet pipe two 14 into the oil outlet pipe one 13, then enters the oil outlet pipe one 13 into the oil outlet pipe 9, and along the oil outlet pipe 9 into the plunger type hydraulic cylinder 7, at this time, due to the increase of the liquid in the plunger type hydraulic cylinder 7, the liquid drives the hydraulic cylinder body 6 to move up, the hydraulic cylinder body 6 drives the hydraulic cylinder to move up synchronously with the suspension piston cylinder body 5 and the damping connecting rod 4, the damping connecting rod 4 drives the car connecting nut 1, the damping spring 2 and the mounting seat one 3 to move up synchronously, the car connecting nut 1 drives the suspension to move up, when the suspension moves up to the required height, stop moving up, at this time, due to the check action of the one-way valve 17, when the hydraulic pump 15 stops oil supply, the suspension is always at the required height, when the suspension needs to be lowered, reverse the above steps to lower the height of the suspension, by increasing the height of the suspension, the suspension effectively reduces the shaking of the automobile during driving, and the automobile driving process is more stable, thereby improving the stability of the user using the automobile installed with the multifunctional hydraulic damping system;

[0028] When the hydraulic oil flows in the oil outlet pipe 9, it first impacts the surface of the arc baffle 20, and drives the arc baffle 20 to rotate around the rotating shaft 19, the rotating shaft 19 drives the annular seat 21 and the limiting block 23 to rotate, the limiting block 23 limits the two end faces of the rotating shaft 19 when rotating, so that the rotating process of the rotating shaft 19 is more stable, the annular seat 21 drives the scraper 22 to rotate around the inner wall of the oil outlet pipe 9, and cleans the inner wall of the oil outlet pipe 9, so that the inner wall of the oil outlet pipe 9 is more clean, thereby avoiding the problem that the inner wall of the oil outlet pipe 9 is left with impurities when the oil outlet pipe 9 transports hydraulic oil for a long time, thereby improving the stability of the oil outlet pipe 9 transporting hydraulic oil.

[0029] The above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it.

Claims

1. A multi-functional hydraulic shock absorbing system, characterized by, The application relates to a vehicle connecting nut (1) provided with a damping spring (2) outside, a mounting base I (3) fixedly connected to the bottom end of the damping spring (2), a damping connecting rod (4) threaded at the bottom end of the vehicle connecting nut (1), the mounting base I (3) fixedly connected to the outer surface of the damping connecting rod (4), a piston cylinder (5) connected to the bottom end of the outer surface of the damping connecting rod (4), a hydraulic cylinder (6) connected to the bottom end of the outer surface of the piston cylinder (5), a plunger hydraulic cylinder (7) connected to the bottom end of the hydraulic cylinder (6), a mounting base II (8) integrally formed at the bottom end of the outer surface of the plunger hydraulic cylinder (7), an oil delivery pipe (9) embeddedly connected in the mounting base II (8), and a control oil port (10) embeddedly connected to the bottom end of the plunger hydraulic cylinder (7).

2. The multi-functional hydraulic damping system of claim 1, wherein, A fixing screw (11) is threadedly connected to the top end of one outer surface of the piston cylinder (5) and penetrates the piston cylinder (5) and the outer surface of the damping connecting rod (4).

3. The multi-functional hydraulic damping system of claim 1, wherein, The front and rear plunger hydraulic groups (12) are combined by all the structures in claim 2, the number of the front and rear plunger hydraulic groups (12) is four, an oil outlet pipe I (13) is arranged between the four front and rear plunger hydraulic groups (12), the oil outlet pipe I (13) is staggered, two oil outlet pipes II (14) are embeddedly connected to one end surface of the oil outlet pipe I (13), a hydraulic pump (15) is fixedly installed on the other end surface of each of the two oil outlet pipes II (14), one same motor (16) is arranged between the two hydraulic pumps (15), and a one-way valve (17) is embeddedly connected in the oil outlet pipe II (14).

4. The multi-functional hydraulic damping system of claim 1, wherein, A cross (18) is fixedly connected in the oil delivery pipe (9), a rotating shaft (19) is rotatably connected in the cross (18), a plurality of arc-shaped baffles (20) are fixedly connected to the outer surface of the rotating shaft (19), annular seats (21) are fixedly connected to the edges of both ends of the rotating shaft (19), and a plurality of scrapers (22) are fixedly connected to the opposite end surfaces of the two annular seats (21).

5. The multi-functional hydraulic damping system of claim 4, wherein, The number of the scrapers (22) is three, and the three scrapers (22) are all attached to the inner wall of the oil delivery pipe (9).

6. The multi-functional hydraulic damping system of claim 4, wherein, Limiting blocks (23) are fixedly connected to the end surfaces of the rotating shaft (19).