CN120007739A - An electronically controlled shock absorber with hydraulic buffer structure, vehicle chassis and vehicle - Google Patents
An electronically controlled shock absorber with hydraulic buffer structure, vehicle chassis and vehicle Download PDFInfo
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- CN120007739A CN120007739A CN202510383669.1A CN202510383669A CN120007739A CN 120007739 A CN120007739 A CN 120007739A CN 202510383669 A CN202510383669 A CN 202510383669A CN 120007739 A CN120007739 A CN 120007739A
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- hydraulic
- hydraulic buffer
- shock absorber
- piston assembly
- sleeve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
- B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
本发明公开了一种带液压缓冲结构的电控减振器、车辆底盘及车辆，涉及汽车底盘技术领域，其包括减振器缸体总成，减振体缸体总成包括工作缸、中间缸和减振器缸体，工作缸、中间缸和减振器缸体均呈圆筒状，且三者由内至外依次布置；于工作缸内形成有第一腔体，并于第一腔体内设有活塞杆和液压缓冲机构，液压缓冲机构包括液压缓冲套筒和液压缓冲活塞组件，液压缓冲套筒设置在第一腔体内顶端，液压缓冲活塞组件套设在活塞杆上且可自由上下滑动，液压缓冲活塞组件在极限位置处与液压缓冲套筒相配合；在受到冲击时，液压缓冲活塞组件沿活塞杆向上滑动，并在极限位置处进入液压缓冲套筒内以产生非线性阻尼作用，以此提升阻尼力，进而避免冲击噪音。
The invention discloses an electronically controlled shock absorber with a hydraulic buffer structure, a vehicle chassis and a vehicle, and relates to the technical field of automobile chassis. The invention comprises a shock absorber cylinder assembly, which comprises a working cylinder, an intermediate cylinder and a shock absorber cylinder. The working cylinder, the intermediate cylinder and the shock absorber cylinder are all cylindrical and arranged in sequence from the inside to the outside. A first cavity is formed in the working cylinder, and a piston rod and a hydraulic buffer mechanism are arranged in the first cavity. The hydraulic buffer mechanism comprises a hydraulic buffer sleeve and a hydraulic buffer piston assembly. The hydraulic buffer sleeve is arranged at the top end of the first cavity. The hydraulic buffer piston assembly is sleeved on the piston rod and can slide up and down freely. The hydraulic buffer piston assembly cooperates with the hydraulic buffer sleeve at the extreme position. When impacted, the hydraulic buffer piston assembly slides upward along the piston rod and enters the hydraulic buffer sleeve at the extreme position to generate a nonlinear damping effect, thereby increasing the damping force and avoiding impact noise.
Description
Technical Field
The invention relates to the technical field of automobile chassis, in particular to an electric control shock absorber with a hydraulic buffer structure, an automobile chassis and an automobile.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the progress of society and the development of automobile industry, people have higher and higher requirements on automobile riding comfort. Considering that the electric control shock absorber can be used for inhibiting vibration and impact from the road surface when the spring rebounds after absorbing the shock, the electric control shock absorber is applied to the design of the automobile chassis, so that the riding comfort of the automobile can be further improved, and the mode is gradually the standard and allocation of the current middle-high-end automobile type. At present, in order to meet the requirements of the whole vehicle on comfort and stability, the current and the electromagnetic valve plate of the electric control shock absorber are usually regulated, and in order to further improve the comfort, a mode of small current and small damping force (such as a force value of 1.0m/s and about 800N) is adopted for regulating and teaching. However, because the current and damping force of the existing electric control shock absorber are set to be very small in a comfort mode, when the situation of a large pit is met, the vehicle wheel is accelerated to a large extent, the impact is large, but the damping force generated at the moment is still small, effective attenuation cannot be achieved, and further the electric control shock absorber cannot respond in time, and stretching impact abnormal sound is generated. In order to avoid the problem, in the prior art, a metal spring is added in an electric control shock absorber to avoid abnormal impact, but the shock absorber is limited by the internal space of the shock absorber and the frequency deviation limit of the whole vehicle, the spring force value cannot be designed to be large, the force value is limited to be lifted, and the impact limiting noise cannot be effectively eliminated.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the electric control shock absorber with the hydraulic buffer structure, the vehicle chassis and the vehicle, the electric control shock absorber adopted in the existing vehicle chassis is improved, the hydraulic buffer mechanism is additionally arranged in the working cylinder of the electric control shock absorber, and the additionally arranged hydraulic buffer mechanism is arranged in a specific structure so as to effectively improve the damping force and solve the problem of impact noise caused by insufficient damping force at the limit position of the existing electric control shock absorber.
In a first aspect, the present invention provides an electrically controlled damper with a hydraulic cushioning structure.
The electric control shock absorber with the hydraulic buffer structure comprises a shock absorber cylinder body assembly, wherein the shock absorber cylinder body assembly comprises a working cylinder, a middle cylinder and a shock absorber cylinder body, and the working cylinder, the middle cylinder and the shock absorber cylinder body are all cylindrical and are sequentially arranged from inside to outside;
The hydraulic buffer mechanism comprises a hydraulic buffer sleeve and a hydraulic buffer piston assembly, wherein the hydraulic buffer sleeve is arranged at the limit position of the top end in the first cavity, the hydraulic buffer piston assembly is sleeved on the piston rod and can slide up and down freely, the hydraulic buffer piston assembly is matched with the hydraulic buffer sleeve at the limit position, and when impacted, the hydraulic buffer piston assembly slides upwards along the piston rod and enters the hydraulic buffer sleeve at the limit position to generate nonlinear damping effect.
According to a further technical scheme, tapered throttling grooves distributed in the circumferential direction are formed in the outer surface of the hydraulic buffering piston assembly, and the tapered throttling grooves are used for generating nonlinear damping force through liquid flow throttling when the hydraulic buffering piston assembly enters the hydraulic buffering sleeve.
According to a further technical scheme, the tapered throttling groove comprises an upper opening and a lower opening, a plurality of water drop-shaped flow passages sequentially pass through the upper opening to the lower opening, each water drop-shaped flow passage comprises two flow passages which are divided into a linear type flow passage and an arc type flow passage by the same collecting part, and the two flow passages are collected at the same collecting part.
According to a further technical scheme, a plurality of tapered throttling grooves distributed circumferentially are formed in the outer surface of the hydraulic buffering piston assembly, and the tapered grooves are uniformly distributed along the circumferential direction of the hydraulic buffering piston assembly.
According to a further technical scheme, the limit stroke of the hydraulic buffer piston assembly is 10-40 mm, and the tail end of the hydraulic buffer piston assembly is provided with a rubber buffer gasket.
Further technical scheme, in the automatically controlled shock absorber, be formed with the second cavity in the shock absorber cylinder body, the top is fixed with the guide holder in the second cavity, the guide holder lower extreme is equipped with annular step face for cooperate with the hydraulic cushion socket that working cylinder and working cylinder inboard set up, in order to fixed working cylinder and hydraulic cushion socket.
According to a further technical scheme, a flange is arranged at the upper end of the hydraulic buffer sleeve, and the flange is fixed to the guide seat through welding or buckling.
According to a further technical scheme, a sealing ring is arranged between the step surface of the guide seat and the hydraulic buffer sleeve, and the sealing ring is made of hydrogenated nitrile rubber.
In a second aspect, the invention provides a vehicle chassis, and the vehicle chassis is provided with the electric control shock absorber with the hydraulic buffer structure.
In a third aspect, the present invention provides a vehicle.
A vehicle comprising an electrically controlled shock absorber with a hydraulic damping structure as set forth in the first aspect or employing a vehicle chassis as set forth in the second aspect.
The one or more of the above technical solutions have the following beneficial effects:
1. the invention provides an electric control shock absorber with a hydraulic buffer structure, a vehicle chassis and a vehicle, which improves the electric control shock absorber adopted in the existing vehicle chassis, the designed electric control shock absorber consists of a hydraulic buffer sleeve, a hydraulic buffer piston assembly and related electric control shock absorber assemblies, the hydraulic buffer sleeve and the hydraulic buffer piston assembly form a hydraulic buffer structure, when the shock absorber is near the stretching limit position, the hydraulic buffer mechanism plays a role in throttling and generates large pulling damping force, so that impact noise is avoided, and the problem of impact noise caused by insufficient damping force at the limit position of the conventional electric control shock absorber is solved.
2. The hydraulic buffer piston assembly provided by the invention is provided with the tapered throttling groove, when the hydraulic buffer piston enters the hydraulic buffer sleeve, the throttling effect is generated, and the groove is tapered, so that the throttling effect is enhanced along with the increase of the entering depth of the piston, namely, the greater the length of the hydraulic buffer piston entering the hydraulic buffer sleeve is, the more obvious the throttling effect is, the larger the pulling damping force can be generated at the moment, so that impact noise is avoided, and the throttling effect is not generated when the hydraulic buffer piston is far away from the hydraulic buffer sleeve.
Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic view of an electric shock absorber with a hydraulic buffer structure according to an embodiment of the present invention;
FIG. 2 is a schematic partial view of an electrically controlled damper with a hydraulic damping structure according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a hydraulic cushion piston assembly according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of the downward flow of fluid in a groove of a hydraulic cushion piston assembly according to an embodiment of the present invention;
Fig. 5 is a schematic illustration of the upward flow of fluid in a groove of a hydraulic cushion piston assembly according to an embodiment of the present invention.
The hydraulic shock absorber comprises a guide seat, a hydraulic buffer sleeve, a working cylinder, a shock absorber cylinder body, a hydraulic buffer piston assembly, an electromagnetic valve, a buffer gasket and a shock absorber.
Detailed Description
It should be noted that the following detailed description is exemplary only for the purpose of describing particular embodiments and is intended to provide further explanation of the invention and is not intended to limit exemplary embodiments according to the invention. Unless defined otherwise, 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 invention belongs. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or groups thereof.
Example 1
In order to solve the problem that when a vehicle passes through a large pit bank, an electric control shock absorber in a chassis of the vehicle cannot effectively solve the problem of impact limiting noise, the embodiment provides an electric control shock absorber with a hydraulic buffer structure, as shown in fig. 1, the electric control shock absorber comprises a shock absorber cylinder body assembly, the shock absorber cylinder body assembly comprises a working cylinder 3, a middle cylinder and a shock absorber cylinder body 4, the working cylinder 3, the middle cylinder and the shock absorber cylinder body 4 are all cylindrical and are sequentially arranged from inside to outside, a first cavity is formed in the working cylinder 3, a piston rod and a hydraulic buffer mechanism are arranged in the first cavity, the hydraulic buffer mechanism comprises a hydraulic buffer sleeve 2 and a hydraulic buffer piston assembly 5, the hydraulic buffer sleeve 2 is arranged at the limit position of the top end in the first cavity, the hydraulic buffer piston assembly 5 is sleeved on the piston rod and can slide up and down freely, the hydraulic buffer piston assembly 5 is matched with the hydraulic buffer sleeve 2 at the limit position, the hydraulic buffer sleeve is used as a sleeve of the hydraulic buffer piston assembly, the inner diameter of the hydraulic buffer sleeve is close to the outer diameter of the piston assembly, and no friction exists between the hydraulic buffer sleeve and the piston assembly. With the above arrangement, when the vehicle is subjected to external impact, the hydraulic cushion piston assembly 5 in the electronic control shock absorber slides upward along the piston rod and enters the hydraulic cushion sleeve 2 at the limit position to generate nonlinear damping effect, and impact limit noise is reduced through hydraulic cushion.
Further, the outer surface of the hydraulic cushion piston assembly 5 is provided with circumferentially distributed tapered throttling grooves for generating a non-linear damping force by means of a flow throttling action when the hydraulic cushion piston assembly enters the hydraulic cushion sleeve.
Through the arrangement of the hydraulic buffer sleeve, the hydraulic buffer piston assembly and the grooves on the piston assembly, when the vehicle is impacted by the outside, the hydraulic buffer piston assembly 5 in the electric control shock absorber slides upwards along the piston rod and enters the hydraulic buffer sleeve 2 at the limit position, at the moment, as the tapered throttling grooves distributed circumferentially are arranged on the outer surface of the hydraulic buffer piston assembly 5, when the hydraulic buffer piston assembly 5 enters the hydraulic buffer sleeve 2, liquid at the limit position is extruded to flow downwards along the tapered throttling grooves on the outer surface of the piston assembly, a liquid flow throttling effect is generated through the grooves, and the grooves are tapered, so that the throttling effect is enhanced along with the increase of the entering depth of the piston, namely, the longer the hydraulic buffer piston enters the hydraulic buffer sleeve, the more obvious the throttling effect is, the corresponding nonlinear damping force is generated through the liquid throttling effect, so that the damping force can be effectively improved, and the impact limiting noise is reduced through the hydraulic buffer. Accordingly, when the hydraulic cushion piston assembly is away from the hydraulic cushion sleeve, the throttle effect is not achieved.
As an implementation manner, as shown in fig. 3, the tapered throttling groove provided on the hydraulic buffer piston assembly 5 according to this embodiment includes two openings, and a plurality of water drop-shaped flow passages sequentially from top to bottom, where the water drop-shaped flow passages include two flow passages of a linear type and an arc type separated from each other by the same collecting portion, and the two flow passages are collected at the same collecting portion.
Through the above-mentioned recess structural design, when the vehicle is crossing big impact road surface such as hole road surface, hydraulic cushion piston subassembly 5 moves in hydraulic cushion sleeve 2 in opposite directions and gets into hydraulic cushion sleeve 2, as shown in fig. 2, the liquid flow in the first cavity is as shown in fig. 4 this moment, liquid gets into the recess by the recess upper shed, will produce the backward flow when the circular-arc runner of water droplet form runner, prevent the flow of liquid, consequently just form the throttling effect between hydraulic cushion piston subassembly 5 and hydraulic cushion sleeve 2, and get into hydraulic cushion sleeve 2 more deeply, the damping is bigger, with this damping force that can show when promoting automatically controlled shock absorber in extreme position, can effectively solve the impact problem of automatically controlled shock absorber, the travelling comfort of the operating mode of using is not influenced simultaneously. Accordingly, when the hydraulic damping piston assembly 5 moves opposite the hydraulic damping sleeve 2, the flow direction of the fluid is not throttled as shown in fig. 5.
Preferably, the outer surface of the hydraulic buffer piston assembly 5 is provided with a plurality of tapered throttling grooves distributed circumferentially, and the plurality of tapered grooves are uniformly distributed circumferentially along the hydraulic buffer piston assembly. Further, the number of grooves which are uniformly distributed in the axial direction can be selected and set according to specific conditions, and the number of the grooves is set to be 4-8 in the embodiment.
Preferably, the depth of the tapered groove is gradually reduced along the axial direction of the hydraulic buffer piston assembly 5, the limit stroke of the hydraulic buffer piston assembly 5 is 10-40 mm, and the tail end of the hydraulic buffer piston assembly 5 is provided with a rubber buffer gasket 7, so that impact limit noise is further reduced.
As shown in fig. 2, in the electric control shock absorber according to the present embodiment, a second cavity is formed in the shock absorber cylinder, a guide seat 1 is fixed at the top end in the second cavity, and an annular step surface is disposed at the lower end of the guide seat 1, and is used for cooperating with a working cylinder and a hydraulic buffer sleeve disposed inside the working cylinder to fix the working cylinder and the hydraulic buffer sleeve. Preferably, the upper end of the hydraulic buffer sleeve 2 is provided with a flanging, and the flanging is fixed on the guide seat through welding or buckling, so that the hydraulic buffer sleeve is arranged in the first cavity in the working cylinder. Through the design, the hydraulic buffer sleeve can be effectively and stably fixed in the electric control shock absorber.
Preferably, a sealing ring is further arranged between the step surface of the guide seat 1 and the hydraulic buffer sleeve 2, the sealing ring is made of hydrogenated nitrile rubber so as to further strengthen the sealing effect of the first cavity, a third cavity is formed between the working cylinder and the middle lever, the cavity is a sealing cavity, and high-viscosity hydraulic oil is filled in the cavity.
Further, the electric control shock absorber further comprises a valve seat, a connecting sleeve and an electromagnetic valve 6, wherein the valve seat and the shock absorber cylinder body assembly are integrated into a whole, the electromagnetic valve 6 is positioned in the valve seat, one end of the connecting sleeve is limited between the electromagnetic valve and the valve seat, the other end of the connecting sleeve is connected with the middle cylinder, and in addition, a piston valve is arranged at one end of a piston rod inserted into the first cavity and can slide along with the piston rod assembly in the up-down direction of the working cylinder.
The embodiment creatively provides the electric control shock absorber with the hydraulic buffer structure, through the design of the hydraulic buffer mechanism comprising the hydraulic buffer sleeve and the hydraulic buffer piston assembly and the related electric control shock absorber assembly, the electric control shock absorber can play a role in throttling through the hydraulic buffer mechanism when the shock absorber is near the stretching limit position, and large lifting damping force is generated, so that impact noise is avoided.
Example two
The embodiment provides a vehicle chassis, and the vehicle chassis is provided with the electric control shock absorber with the hydraulic buffer structure.
Example III
The embodiment provides a vehicle, which comprises the electric control shock absorber with the hydraulic buffer structure provided in the first embodiment or adopts the chassis of the vehicle provided in the second embodiment.
While the foregoing is illustrative of the preferred embodiments of the present invention, and while the present invention has been described in connection with the accompanying drawings, it is not intended to limit the scope of the invention, and it will be apparent to those skilled in the art, on the basis of the technical scheme of the invention, various modifications or variations which can be made by the person skilled in the art without the need of creative efforts are still within the protection scope of the invention.
Claims (10)
1. The electric control shock absorber with the hydraulic buffer structure is characterized by comprising a shock absorber cylinder body assembly, wherein the shock absorber cylinder body assembly comprises a working cylinder, a middle cylinder and a shock absorber cylinder body, and the working cylinder, the middle cylinder and the shock absorber cylinder body are all cylindrical and are sequentially arranged from inside to outside;
The hydraulic buffer mechanism comprises a hydraulic buffer sleeve and a hydraulic buffer piston assembly, wherein the hydraulic buffer sleeve is arranged at the limit position of the top end in the first cavity, the hydraulic buffer piston assembly is sleeved on the piston rod and can slide up and down freely, the hydraulic buffer piston assembly is matched with the hydraulic buffer sleeve at the limit position, and when impacted, the hydraulic buffer piston assembly slides upwards along the piston rod and enters the hydraulic buffer sleeve at the limit position to generate nonlinear damping effect.
2. An electrically controlled damper with hydraulic damping structure as set forth in claim 1, wherein said hydraulic damping piston assembly has circumferentially distributed tapered throttling grooves on its outer surface for generating a non-linear damping force by flow throttling action upon entry into the hydraulic damping sleeve.
3. The electrically controlled damper with hydraulic buffering structure of claim 2, wherein the tapered throttling groove includes two upper and lower openings and sequentially passes through a plurality of water drop-shaped flow passages from the upper opening to the lower opening, the water drop-shaped flow passages include two flow passages which are divided into a linear type and an arc type by the same convergence point, and the two flow passages are converged at the same convergence point.
4. The electrically controlled damper with hydraulic damping structure of claim 2, wherein the outer surface of the hydraulic damping piston assembly is provided with a plurality of tapered throttling grooves circumferentially distributed, and the plurality of tapered grooves are uniformly circumferentially distributed along the hydraulic damping piston assembly.
5. The electric control shock absorber with the hydraulic buffering structure according to claim 1, wherein the limit stroke of the hydraulic buffering piston assembly is 10-40 mm, and a rubber buffering gasket is arranged at the tail end of the hydraulic buffering piston assembly.
6. The electrically controlled damper with hydraulic buffering structure of claim 1, wherein a second cavity is formed in the damper cylinder, a guide seat is fixed at the top end in the second cavity, and an annular step surface is arranged at the lower end of the guide seat and is used for being matched with the hydraulic buffering sleeve arranged at the inner side of the working cylinder to fix the working cylinder and the hydraulic buffering sleeve.
7. The electrically controlled damper with hydraulic buffering structure of claim 6, wherein the hydraulic buffering sleeve has flange in the upper end and the flange is fixed to the guide seat via welding or clamping.
8. The electrically controlled damper with hydraulic buffering structure of claim 6, wherein a sealing ring is arranged between the step surface of the guide seat and the hydraulic buffering sleeve, and the sealing ring is made of hydrogenated nitrile rubber.
9. A vehicle chassis provided with an electrically controlled vibration damper with a hydraulic damping structure according to any one of claims 1-8.
10. A vehicle comprising an electrically controlled shock absorber with hydraulic damping structure according to any one of claims 1-8, or employing a vehicle chassis according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510383669.1A CN120007739B (en) | 2025-03-28 | 2025-03-28 | Take automatically controlled shock absorber, vehicle chassis and vehicle of hydraulic buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510383669.1A CN120007739B (en) | 2025-03-28 | 2025-03-28 | Take automatically controlled shock absorber, vehicle chassis and vehicle of hydraulic buffer structure |
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| Publication Number | Publication Date |
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| CN120007739A true CN120007739A (en) | 2025-05-16 |
| CN120007739B CN120007739B (en) | 2025-10-31 |
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| CN202510383669.1A Active CN120007739B (en) | 2025-03-28 | 2025-03-28 | Take automatically controlled shock absorber, vehicle chassis and vehicle of hydraulic buffer structure |
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2025
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| US20020104723A1 (en) * | 2001-02-05 | 2002-08-08 | Zf Sachs Ag | Hydraulic tension stop for vibration dampers |
| US20070144845A1 (en) * | 2005-12-28 | 2007-06-28 | Takuya Saito | Wheel suspension for vehicle |
| CN202531717U (en) * | 2012-03-28 | 2012-11-14 | 南京理工大学 | Damping hole fine-adjustable hydraulic buffer |
| CN204113992U (en) * | 2014-09-11 | 2015-01-21 | 重庆小康工业集团股份有限公司 | Automobile mazy type vibration damper |
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| CN220540185U (en) * | 2023-08-07 | 2024-02-27 | 辽宁工业大学 | Reducing type hydraulic limiting vibration reduction mechanism |
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| Publication number | Publication date |
|---|---|
| CN120007739B (en) | 2025-10-31 |
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