Automobile shock absorber with liftable chassis

By introducing a hydraulic damper in conjunction with an air spring into the automotive shock absorber, the problem of sudden changes in vehicle height caused by air spring leakage or failure is solved, thus improving the safety and stability of the shock absorber.

CN223708411UActive Publication Date: 2025-12-23HARBIN STAMINA AUTOMOBILE SHOCK ABSORBER CO LTD
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Patent Information

Application Number
CN202520559295.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2025-12-23
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing car shock absorbers require frequent maintenance, and air springs may leak or fail, causing sudden changes in vehicle height and affecting driving safety.

Method used

A hydraulic damper is used in conjunction with an air spring. The hydraulic damper slows down the descent of the car and prevents sudden changes in the vehicle's height.

Benefits of technology

This improves the safety of the shock absorbers, prevents sudden changes in vehicle height due to air spring failure, and ensures driving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile shock absorption, and discloses a chassis-liftable automobile shock absorber which comprises an automobile shock absorber body, a fixing nut is installed at the upper end of the automobile shock absorber body in a threaded mode, an adjusting valve is fixedly installed on the outer surface of the automobile shock absorber body, and a lower top plate is fixedly installed at the upper end of a fixing support of the automobile shock absorber body. The lower top plate is in sliding contact with a piston rod of an automobile shock absorber, the lifting mechanism is arranged on the lower top plate and comprises two hydraulic dampers and an upper top plate, first mounting plates are fixed to the front surface and the rear surface of the lower top plate correspondingly, and the two hydraulic dampers are fixedly mounted on the two first mounting plates correspondingly; through mutual cooperation of the two hydraulic dampers and the automobile shock absorber, when the air spring leaks or fails due to other mechanical problems caused by the situations that the air spring is not checked in time and the like, the descending speed of an automobile is slowed down, the automobile slowly descends, and the situation that the safety of a driver is affected due to sudden change of the height of the automobile is prevented; therefore, the safety of the shock absorber is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile shock absorber, concretely to a chassis liftable automobile shock absorber. BACKGROUND

[0002] The automobile shock absorber is an important component of the automobile suspension system, and its main role is to absorb and reduce the vibration caused by the uneven road surface during the vehicle driving, to ensure the stability of the vehicle driving and the comfort of the ride, the shock absorber realizes the conversion of energy through the internal oil and gas compression, converts the vibration energy into heat energy and dissipates, thereby reducing the influence of vibration on the vehicle and passengers, and the performance of the shock absorber is directly related to the control stability of the automobile and the tire grip, which is crucial to improve the driving safety and vehicle durability.

[0003] The current automobile shock absorber is used, in order to facilitate the lifting of the chassis of the automobile, the spring on the automobile shock absorber is replaced by an air spring, and the chassis of the automobile is lifted, but such an automobile shock absorber needs to be maintained frequently during use, and the air spring may fail due to leakage or other mechanical problems, resulting in sudden change of vehicle height, affecting the safety of the driver, and being not conducive to the use of the automobile shock absorber. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a chassis liftable automobile shock absorber, which solves the problem that such an automobile shock absorber needs to be maintained frequently during use, and the air spring may fail due to leakage or other mechanical problems, resulting in sudden change of vehicle height, affecting the safety of the driver, and being not conducive to the use of the automobile shock absorber.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a chassis liftable automobile shock absorber, comprising an automobile shock absorber, a fixed nut is screw mounted on the upper end of the automobile shock absorber, an adjusting valve is fixedly installed on the outer surface of the automobile shock absorber, a lower top plate is fixedly installed on the upper end of the fixed support of the automobile shock absorber, and the lower top plate is in sliding contact with the piston rod of the automobile shock absorber;

[0008] A lifting mechanism is arranged on the lower top plate, the lifting mechanism comprises two hydraulic dampers and an upper top plate, first mounting plates are fixed on the front and rear surfaces of the lower top plate, the two hydraulic dampers are fixedly installed on the two first mounting plates, the upper top plate is screw installed on the upper end of the piston rod of the automobile shock absorber, two second mounting plates are fixedly installed on the front and rear surfaces of the upper top plate, an air spring is sleeved on the outer surface of the piston rod of the automobile shock absorber, and the air spring is fixedly connected with the upper surface of the lower top plate.

[0009] Preferably, the lifting mechanism further comprises a tightening ring, which is sleeved on the outer surface of the air spring.

[0010] Preferably, the inside of the lower top plate is provided with a mounting groove, a connecting pipeline is fixedly installed in the mounting groove, the lower end of the connecting pipeline penetrates through the lower surface of the lower top plate, the upper end of the connecting pipeline penetrates through the inside of the air spring, and the upper end of the adjusting valve is fixedly installed with a connecting hose.

[0011] Preferably, the lower end of the connecting pipeline is threadedly sleeved with a connecting head, and the connecting head is fixedly connected with the connecting hose.

[0012] Preferably, the lower surface of the automobile shock absorber is fixedly connected with a fixing block.

[0013] Preferably, the lower surfaces of the two second mounting plates are provided with circular grooves corresponding to the positions of the two hydraulic dampers.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a chassis liftable automobile shock absorber, has the following beneficial effects:

[0016] 1、 this chassis liftable automobile shock absorber, through two hydraulic dampers and automobile shock absorber mutual cooperation, when air spring because does not check in time etc. Leaking or other mechanical problems and fail, to slow down the speed of the car, make the car slowly descend, prevent because vehicle height suddenly changes influence the safety of the driver, thereby improved the security of the shock absorber. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole overhead structure schematic diagram of chassis liftable automobile shock absorber of the utility model;

[0018] Figure 2 It is the inside cutaway side view structure schematic diagram of lifting mechanism of the utility model;

[0019] Figure 3 It is the inside cutaway front view structure schematic diagram of chassis liftable automobile shock absorber of the utility model;

[0020] Figure 4 It is the cutaway structure schematic diagram of upper top plate and lower top plate of the utility model.

[0021] In the figure: 1, automobile shock absorber; 2, fixed nut; 3, adjusting valve; 4, lower top plate; 5, hydraulic damper; 6, upper top plate; 7, first mounting plate; 8, second mounting plate; 9, air spring; 10, tightening ring; 11, mounting groove; 12, connecting pipeline; 13, connecting hose; 14, connecting head; 15, fixing block; 16, circular groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a new technical scheme: a bottom disc liftable automobile shock absorber, including automobile shock absorber 1, the upper end threaded mounting of automobile shock absorber 1 has fixed nut 2, the outer surface fixed mounting of automobile shock absorber 1 has adjusting valve 3, the upper end fixed mounting of the fixed support of automobile shock absorber 1 has lower top plate 4, and lower top plate 4 and the piston rod sliding contact of automobile shock absorber 1,

[0024] Lifting mechanism, lifting mechanism sets up on lower top plate 4, and lifting mechanism includes two hydraulic dampers 5 and upper top plate 6, and the front and back surfaces of lower top plate 4 are fixed with first mounting plate 7, and two hydraulic dampers 5 are fixedly installed on two first mounting plates 7, and upper top plate 6 is threadedly installed on the upper end of the piston rod of automobile shock absorber 1, and the front and back surfaces of upper top plate 6 are fixedly installed with two second mounting plates 8, and the outer surface of the piston rod of automobile shock absorber 1 is sleeved with air spring 9, and air spring 9 is fixedly connected with the upper surface of lower top plate 4.

[0025] Further, the lifting mechanism further includes tightening ring 10, and the tightening ring 10 is sleeved on the outer surface of air spring 9.

[0026] Further, through the mutual cooperation of two hydraulic dampers 5 and automobile shock absorber 1, when air spring 9 fails due to leakage or other mechanical problems caused by not timely inspection, the descending speed of the automobile is slowed down, the sudden change of the height of the vehicle is prevented, the safety of the driver is ensured, and the safety of the shock absorber is improved.

[0027] Further, the inside of lower top plate 4 is provided with mounting groove 11, the inside of mounting groove 11 is fixedly installed with connecting pipeline 12, the lower end of connecting pipeline 12 penetrates to the lower surface of lower top plate 4, the upper end of connecting pipeline 12 penetrates to the inside of air spring 9, and the upper end of adjusting valve 3 is fixedly installed with connecting hose 13.

[0028] Further, the lower end of the connecting pipe 12 is threadedly sleeved with a connecting head 14, and the connecting head 14 is fixedly connected with the connecting hose 13.

[0029] Further, the lower surface of the automobile shock absorber 1 is fixedly connected with a fixing block 15.

[0030] Further, the lower surfaces of the two second mounting plates 8 are each provided with a circular groove 16 corresponding to the positions of the two hydraulic dampers 5.

[0031] Further, when the present shock absorber is used, the height of the automobile can be adjusted by introducing or discharging gas into the interior of the air spring 9, and when the upper end of the air spring 9 rises or falls, the upper top plate 6 moves synchronously, the two second mounting plates 8 on the upper top plate 6 move synchronously, the two second mounting plates 8 move away from the upper ends of the two hydraulic dampers 5 or press down the upper ends of the two hydraulic dampers 5, so as to adjust the length of the automobile shock absorber 1, and when the air spring 9 fails due to leakage or other mechanical problems caused by untimely inspection, the upper top plate 6 and the two second mounting plates 8 move downward to press the automobile shock absorber 1 and the two hydraulic dampers 5, and the two hydraulic dampers 5 cooperate with the automobile shock absorber 1 to slow down the descending speed of the automobile, so as to prevent the sudden change of the height of the vehicle and affect the safety of the driver.

[0032] Structure description: automobile shock absorber 1: this is the core part of the whole system, used for absorbing and slowing down the vibration caused by the uneven road surface during the driving of the vehicle, so as to ensure the stability of the driving of the vehicle and the comfort of the ride;

[0033] Fixed nut 2: used for fixing the upper top plate 6 of the shock absorber;

[0034] Adjusting valve 3: used for adjusting the pressure in the interior of the air spring 9, so as to control the expansion and contraction of the air spring 9, and then realize the adjustment of the height of the chassis;

[0035] Lower top plate 4: in sliding contact with the piston rod of the automobile shock absorber 1, and is part of the lifting mechanism, used for supporting the air spring 9;

[0036] Hydraulic damper 5: as part of the lifting mechanism, used for controlling the damping of the relative movement between the upper top plate 6 and the lower top plate 4, so as to make the lifting process more stable, and to buffer the upper top plate 6 and the lower top plate 4 when the air spring 9 fails;

[0037] Upper top plate 6: threadedly installed on the upper end of the piston rod of the automobile shock absorber 1, cooperated with the lower top plate 4, and realizes the relative movement through the automobile shock absorber 1 and the air spring 9, so as to adjust the height of the chassis;

[0038] First mounting plate 7: fixed on the front and rear surfaces of the lower top plate 4, used for mounting the hydraulic damper 5;

[0039] Second mounting plate 8: fixed on the front and rear surfaces of the upper top plate 6, used for enabling the hydraulic damper 5 to act on the upper top plate 6;

[0040] Air spring 9: sleeved on the outer surface of the piston rod of the automobile shock absorber 1, fixedly connected with the lower top plate 4, used for adjusting and maintaining the specific height of the chassis;

[0041] Buckle ring 10: sleeved on the outer surface of the air spring 9, used for fixing and maintaining the position and shape of the air spring;

[0042] Mounting groove 11: opened in the inside of the lower top plate 4, used for fixedly mounting the connecting pipe 12;

[0043] Connecting pipe 12: fixed in the mounting groove 11, connecting the lower top plate 4 and the air spring 9, used for transmitting air;

[0044] Connecting hose 13: fixed on the upper end of the adjusting valve 3, connected with the connecting pipe 12, used for transmitting air;

[0045] Connecting head 14: screwed on the lower end of the connecting pipe 12, fixedly connected with the connecting hose 13, used for connecting the connecting hose 13 with the connecting pipe 12;

[0046] Fixed block 15: fixed on the lower surface of the automobile shock absorber 1, used for mounting the shock absorber.

[0047] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A chassis liftable automobile shock absorber, comprising an automobile shock absorber (1), a fixing nut (2) is threadedly installed at the upper end of the automobile shock absorber (1), and an adjusting valve (3) is fixedly installed on the outer surface of the automobile shock absorber (1), characterized in that: The lower top plate (4) is fixedly installed on the upper end of the fixed support of the automobile shock absorber (1), and is in sliding contact with the piston rod of the automobile shock absorber (1); The lifting mechanism is arranged on the lower top plate (4) and comprises two hydraulic dampers (5) and an upper top plate (6). The front and rear surfaces of the lower top plate (4) are fixed with first mounting plates (7), the two hydraulic dampers (5) are fixedly installed on the two first mounting plates (7) respectively, the upper top plate (6) is screwedly installed on the upper end of the piston rod of the automobile shock absorber (1), the front and rear surfaces of the upper top plate (6) are fixedly installed with two second mounting plates (8), the outer surface of the piston rod of the automobile shock absorber (1) is sleeved with an air spring (9), and the air spring (9) is fixedly connected with the upper surface of the lower top plate (4).

2. A suspension lift vehicle shock absorber as in claim 1, wherein: The lifting mechanism further comprises a tightening ring (10) sleeved on the outer surface of the air spring (9).

3. A lift-by-levitation vehicle shock absorber according to claim 1, characterized by: An installation groove (11) is formed in the lower top plate (4), a connecting pipeline (12) is fixedly installed in the installation groove (11), the lower end of the connecting pipeline (12) penetrates through the lower surface of the lower top plate (4), the upper end of the connecting pipeline (12) penetrates through the inside of the air spring (9), and the upper end of the adjusting valve (3) is fixedly installed with a connecting hose (13).

4. A suspension lift vehicle shock absorber as defined in claim 3 wherein: The lower end of the connecting pipeline (12) is screwedly sleeved with a connecting head (14), and the connecting head (14) is fixedly connected with the connecting hose (13).

5. A lift-by-windlass vehicle suspension system as claimed in claim 1, wherein: The lower surface of the automobile shock absorber (1) is fixedly connected with a fixed block (15).

6. A spoolable lift vehicle shock absorber as defined in claim 1, wherein: The lower surfaces of the two second mounting plates (8) are both provided with circular grooves (16) corresponding to the positions of the two hydraulic dampers (5).