CN105822715A - Runner-variable semi-active mount - Google Patents
Runner-variable semi-active mount Download PDFInfo
- Publication number
- CN105822715A CN105822715A CN201610297122.0A CN201610297122A CN105822715A CN 105822715 A CN105822715 A CN 105822715A CN 201610297122 A CN201610297122 A CN 201610297122A CN 105822715 A CN105822715 A CN 105822715A
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- Prior art keywords
- flow channel
- runner
- semi
- liquid
- sap cavity
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
-
- 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
- F16F9/3207—Constructional features
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
The invention discloses a runner-variable semi-active mount. The runner-variable semi-active mount comprises a rubber main spring, an inner core, an outer framework, a base, a runner assembly, a decoupling film, a base bowl, a closed piece, a drive mechanism and a sealing piece. A containing space is defined by the rubber main spring, the inner core, the outer framework and the base. The runner assembly is arranged in the containing space. An upper liquid cavity is formed between the upper surface of the runner assembly and the rubber main spring. A connecting channel, a receiving space, first liquid holes, second liquid holes and a throttling hole penetrating the upper surface and the lower surface of the runner assembly are arranged on the runner assembly. The decoupling film is arranged in the receiving space and divides the receiving space into a first space and a second space. The first space communicates with the upper liquid cavity through the first liquid holes. The runner-variable semi-active mount is simple in structure, convenient to use and good in vibration isolation effect.
Description
Technical field
The present invention relates to Semi-active mount technical field, particularly relate to the Semi-active mount that a kind of runner is variable.
Background technology
Nowadays, auto NVH problem always annoyings the technical barrier of people, and the vibration effect of automobile the life-span of riding comfort and vehicle.Automobile engine is the main exciting source on automobile, and its vibration can be delivered to driver's cabin by chassis, causes steering wheel and seat shake, affects the operation of driver, and deepened the fatigue of driver.Preferably solution is to install engine mounting to isolate vibration, and therefore, research technique is simple, and cheap, the suspension of superior performance is particularly important.Although common pure glue suspension processing technique is simple, price is relatively low, but it is limited in that damping is relatively low, easily occurs dynamically hardening during high frequency, and therefore anti-vibration performance is poor；Common hydraulic mount uses inertia channel to add the form of decoupling film, can produce bigger damping, when high frequency when the big amplitude of low frequency, owing to decoupling the effect of film, the phenomenon that the available high frequency of alleviation to a certain extent dynamically hardens, but its damping and rigidity are non-adjustable, and during high frequency, dynamic stiffness is the biggest.
People require have big rigidity, big damping characteristic when being suspended at the big amplitude of low frequency, have the little damping characteristic of little rigidity, it is clear that common hydraulic mount can not meet such requirement during the little amplitude of high frequency.To this end, people are devoted to develop Semi-active mount or active engine mount, make damping and rigidity adjustable extent big.Active engine mount needs dependence outside energy to offset vibration, and power consumption is relatively big, but it it is critical only that processing technique is complicated, and fault rate is relatively big, is difficult to current technology level.Several half presently, there are actively hydraulic mount, main embodiment has: (1) controls the form of decoupling film rigidity, decoupling film is formed in hydraulic cavities an aeroseal chamber, an aperture opened by suspension wall and makes air chamber and atmosphere, if an electromagnetic valve by aperture clogs or is opened, to control the rigidity of decoupling film, in this embodiment, the sealing of air chamber is more difficult, if having leakage or entering gas, then this Semi-active mount lost efficacy.(2) form of bend flow channel, such as Chinese patent literature discloses a kind of bend flow channel half actively hydraulic mount [application number: 201410228440.2], it is characterized in that, at suspension and runner body sidewall opening, add variable flow valve and the electronic control mechanism driving variable flow valve to rotate, the Electronic Control precision that this embodiment requires is higher, and sealing is more difficult, and the sealing ring of addition and O also increase cost.(3) electric current becomes and magnetorheological form, and this embodiment changes the viscosity of damping fluid by applying electric current or magnetic field, but its magnetic-particle easily settles, and causes suspending degradation.
Therefore, it would be highly desirable to need to provide a kind of simple in construction, the Semi-active mount that isolating affection is good.
Summary of the invention
In order to solve technical problem present in background technology, the present invention proposes the Semi-active mount that a kind of runner is variable, simple in construction, and easy to process, using effect is good.
The Semi-active mount that a kind of runner is variable, including: rubber spring, interior fuse, purchasing ore, base, flow channel component, decoupling film, end bowl, closure member, drive mechanism and sealing member；
Rubber spring, interior fuse, surround between purchasing ore and base receiving space；
Flow channel component is placed in receiving space, forms upper sap cavity between upper surface and the rubber spring of flow channel component, and flow channel component is provided with interface channel, receiving space, the first liquid-through hole, the second liquid-through hole and runs through the throttle orifice of flow channel component upper and lower surface；
Decoupling in film is placed in receiving space and receiving space is divided into the first space and second space, the first space is connected with upper sap cavity by the first liquid-through hole；
End bowl is placed in accommodating space the lower section being placed in flow channel component, lower sap cavity is formed between upper surface and the flow channel component of end bowl, lower sap cavity is connected with upper sap cavity by interface channel, and lower sap cavity is connected with second space by the second liquid-through hole, and lower sap cavity is connected with upper sap cavity by throttle orifice；
Drive mechanism drives closure member move to close or open throttle orifice；
Rubber spring, interior fuse, purchasing ore, base, flow channel component or closure member are provided with liquid filling pore, and liquid filling pore connects with accommodating space；
Sealing member is used for closing liquid filling pore.
Preferably, upper runner cover plate that flow channel component includes being sequentially arranged, intermediate flow channel body, lower flow channel cover plate, upper runner cover plate is provided with inlet opening, the upper surface of intermediate flow channel body is provided with upper strata annular channel, intermediate flow channel body is provided with connecting hole, and the lower surface of intermediate flow channel body is provided with lower floor's annular channel；Lower flow channel cover plate is provided with liquid outlet；Inlet opening, upper strata annular channel, connecting hole, lower floor's annular channel and liquid outlet form above-mentioned interface channel；
Upper sap cavity connect with upper strata annular channel by inlet opening, and upper strata annular channel passes through connecting hole and connects with lower floor annular channel, and lower floor's annular channel passes through liquid outlet and connects with lower sap cavity.
Preferably, the baffle plate extended from another sidewall of a sidewall of upper strata annular channel upwards layer annular channel is also included.
Preferably, above-mentioned first liquid-through hole is placed on upper runner cover plate, and the second liquid-through hole is placed on intermediate flow channel body, forms above-mentioned receiving space between upper runner cover plate, intermediate flow channel body.
Preferably, cushion chamber is formed between lower surface and the base of end bowl；
Base is provided with passage, and above-mentioned cushion chamber is in communication with the outside by passage.
Preferably, closure member is arranged on end bowl.
Preferably, the diapire of base is provided with installing hole；
Also including mounting seat, mounting seat covers on installing hole, and mounting seat removably connects with base；
Drive mechanism is placed in receiving space, and drive mechanism is arranged in mounting seat.
Preferably, also include flow-disturbing dish, flow-disturbing dish be placed in receiving space in and be connected with interior fuse.
Preferably, interior fuse is provided with installing hole.
A kind of vehicle, including the Semi-active mount that described runner is variable.
In the present invention, flow-disturbing dish be by with interior fuse bottom riveting form fastening, assemble more convenient.Closure member is positioned at the central authorities of end bowl, and liquid filling pore is positioned on closure member, can carry out the dry filling of evacuation, alleviate labor intensity, improve production efficiency after assembling completes.Mounting seat removably connects with base, and it is convenient to exchange, and the utilization rate of product improves.Control drive mechanism by electronic-controlled installation to do and move along a straight line up and down.Under low frequency big amplitude operating mode, the closure member on end bowl is pushed up by drive mechanism, blocks throttle orifice, and liquid passes through from upper strata annular channel, lower floor's annular channel, forms bigger damping；Under high frequency little amplitude operating mode, closure member on end bowl is moved down by drive mechanism, then liquid directly flows from throttle orifice, it is no longer flow through upper strata annular channel, lower floor's annular channel, produce less damping and dynamic stiffness, owing to flow-disturbing dish makes upper sap cavity liquid produce action of turbulent flow, reduce the phenomenon that high frequency dynamically hardens to a certain extent.Therefore, the present invention preferably solves the rigidity and damping requirements being suspended under high and low frequency operating mode, improves riding comfort to a certain extent.Meanwhile, under intermediate frequency operating mode, if control well drive mechanism drive closure member displacement, make throttle orifice be in half blocked state, it is also possible to realize preferably anti-vibration performance under intermediate frequency operating mode.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the upper runner cover plate schematic diagram of the present invention；
Fig. 3 is the lower flow channel cover plate schematic diagram of the present invention；
Fig. 4 is the intermediate flow channel body generalized section of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the combination that the embodiment in the application and the feature in embodiment can be mutual；Below with reference to the accompanying drawings and in conjunction with the embodiments to the present invention elaborate.
With reference to Fig. 1-4:
The variable Semi-active mount of a kind of runner that the present invention proposes, including: rubber spring 1, interior fuse 2, purchasing ore 3, base 4, flow channel component, decoupling film 5, end bowl 6, closure member 7, drive mechanism 8, baffle plate 24, mounting seat 26, flow-disturbing dish 9 and sealing member 10.
The sulfuration of rubber spring 1, interior fuse 2, purchasing ore 3 is integrated, and surrounds receiving space between rubber spring 1, interior fuse 2, purchasing ore 3 and base 4.
Flow channel component is placed in receiving space, upper runner cover plate 17 that flow channel component includes being sequentially arranged, intermediate flow channel body 18, lower flow channel cover plate 19, upper runner cover plate 17 is provided with inlet opening 20, the upper surface of intermediate flow channel body 18 is provided with upper strata annular channel 21, intermediate flow channel body 18 is provided with connecting hole 27, and the lower surface of intermediate flow channel body 18 is provided with lower floor's annular channel 22；Lower flow channel cover plate 19 is provided with liquid outlet 23；Inlet opening 20, upper strata annular channel 21, connecting hole 27, lower floor's annular channel 22 and liquid outlet 23 form interface channel.
Upper sap cavity 11 is connected with upper strata annular channel 21 by inlet opening 20, and upper strata annular channel 21 is connected with lower floor annular channel 22 by connecting hole 27, and lower floor's annular channel 22 passes through liquid outlet 23 and connects with lower sap cavity 15.
Upper sap cavity 11 is formed between upper surface and the rubber spring 1 of upper runner cover plate 17.
Upper runner cover plate 17 is provided with the first liquid-through hole 12, and intermediate flow channel body 18 is provided with the second liquid-through hole 13 and puts, and forms receiving space between upper runner cover plate 17, intermediate flow channel body 18.
Flow channel component is provided with the throttle orifice 14 running through flow channel component upper and lower surface.
Decoupling in film 5 is placed in receiving space and receiving space is divided into the first space and second space, the first space is connected with upper sap cavity 11 by the first liquid-through hole 12；Decoupling film 5 is annular, and the inner ring of decoupling film 5 can be set on the outer wall of throttle orifice 14；The outer ring of decoupling film 5 is provided with boss with inner ring, can be pressed between upper runner cover plate 17, intermediate flow channel body 18, and the most upper and lower surface of decoupling film 5 can upper and lower move freely, it is ensured that the upper and lower bound of decoupling film 5 rigidity.
End bowl 6 is placed in accommodating space the lower section being placed in flow channel component, lower sap cavity 15 is formed between upper surface and the flow channel component of end bowl 6, lower sap cavity 15 is connected with upper sap cavity 11 by interface channel, lower sap cavity 15 is connected with second space by the second liquid-through hole 13, and lower sap cavity 15 is connected with upper sap cavity 11 by throttle orifice 14；When rubber spring is pressed for 1 time, the liquid in upper sap cavity 11 enters lower sap cavity 15 through interface channel；When rubber spring 1 rises, the liquid in lower sap cavity 15 enters upper sap cavity 11 through interface channel.
Drive mechanism 8 drives closure member 7 move to close or open throttle orifice 14.
In the present embodiment, rubber spring 1, interior fuse 2, purchasing ore 3, base 4, flow channel component or closure member 7 are provided with liquid filling pore 16, and liquid filling pore 16 connects with accommodating space.
In the present embodiment, sealing member 10 is used for closing liquid filling pore 16；Sealing member 10 can be rubber bead.
In the present embodiment, baffle plate 24 extends from another sidewall of a sidewall of upper strata annular channel 21 upwards layer annular channel 21；Limit flow channel for liquids, it is simple to the liquid in upper strata annular channel 21 enters lower floor's annular channel 22 through connecting hole 27.
In the present embodiment, between lower surface and the base 4 of end bowl 6, form cushion chamber；Base 4 is provided with passage 25, and above-mentioned cushion chamber is in communication with the outside by passage 25；Stablize cushion chamber, it is simple to end bowl 6 deformation.
In the present embodiment, closure member 7 is arranged on end bowl 6, and closure member 7 can be integrated with end bowl 6 sulfuration, easy to process, cost-effective.
In the present embodiment, the diapire of base 4 is provided with installing hole；Mounting seat 26 covers on installing hole, and mounting seat 26 removably connects with base 4；Readily accessible, replacing, easy to use.
Drive mechanism 8 is placed in receiving space, and drive mechanism 8 is arranged in mounting seat 26.
In the present embodiment, it is connected in flow-disturbing dish 9 is placed in receiving space and with interior fuse 2.
In the present embodiment, interior fuse 2 is provided with installing hole；It is easily installed on the engine.
Upper runner cover plate 17, intermediate flow channel body 18, lower flow channel cover plate 19, the material of mounting seat 26 are PA66 plastics；Base 4 material is aluminium alloy.
Flow-disturbing dish 9 is riveted bottom interior fuse 2, decoupling film 5 is embedded between upper runner cover plate 17, intermediate flow channel body 18, add lower flow channel cover plate 19, be pressed in rubber spring 1 together with end bowl 6, and by rubber spring 1 and base 4 riveting in integrally.Utilizing and carry out the dry filling of evacuation in liquid filling pore 16, liquid filling is pressed into rubber bead interference seal after completing.Drive mechanism 8 is connected with closure member 7, and mounting seat 26 is installed on base 4, be fastened by bolts.
Control drive mechanism 8 by electronic-controlled installation to do and move along a straight line up and down.Under low frequency big amplitude operating mode, the closure member 7 on end bowl 6 is pushed up by drive mechanism 8, blocks throttle orifice 14, and liquid passes through from upper strata annular channel 21, lower floor's annular channel 22, forms bigger damping；Under high frequency little amplitude operating mode, closure member 7 on end bowl 6 is moved down by drive mechanism 8, then liquid directly flows from throttle orifice 14, it is no longer flow through upper strata annular channel 21, lower floor's annular channel 22, produce less damping and dynamic stiffness, owing to flow-disturbing dish 9 makes upper sap cavity 11 liquid produce action of turbulent flow, reduce the phenomenon that high frequency dynamically hardens to a certain extent.Therefore, the present embodiment preferably solves the rigidity and damping requirements being suspended under high and low frequency operating mode, improves riding comfort to a certain extent.Meanwhile, under intermediate frequency operating mode, driving the displacement of closure member 7 as long as controlling drive mechanism 8 well, making throttle orifice 14 be in half blocked state, it is also possible to realize preferably anti-vibration performance under intermediate frequency operating mode.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; according to technical scheme and inventive concept equivalent or change in addition thereof, all should contain within protection scope of the present invention.
Claims (10)
1. the Semi-active mount that a runner is variable, it is characterised in that including: rubber spring, interior fuse, purchasing ore, base, flow channel component, decoupling film, end bowl, closure member, drive mechanism and sealing member；
Rubber spring, interior fuse, surround between purchasing ore and base receiving space；
Flow channel component is placed in receiving space, forms upper sap cavity between upper surface and the rubber spring of flow channel component, and flow channel component is provided with interface channel, receiving space, the first liquid-through hole, the second liquid-through hole and runs through the throttle orifice of flow channel component upper and lower surface；
Decoupling in film is placed in receiving space and receiving space is divided into the first space and second space, the first space is connected with upper sap cavity by the first liquid-through hole；
End bowl is placed in accommodating space the lower section being placed in flow channel component, lower sap cavity is formed between upper surface and the flow channel component of end bowl, lower sap cavity is connected with upper sap cavity by interface channel, and lower sap cavity is connected with second space by the second liquid-through hole, and lower sap cavity is connected with upper sap cavity by throttle orifice；
Drive mechanism drives closure member move to close or open throttle orifice；
Rubber spring, interior fuse, purchasing ore, base, flow channel component or closure member are provided with liquid filling pore, and liquid filling pore connects with accommodating space；
Sealing member is used for closing liquid filling pore.
The Semi-active mount that runner the most according to claim 1 is variable, it is characterized in that, upper runner cover plate that flow channel component includes being sequentially arranged, intermediate flow channel body, lower flow channel cover plate, upper runner cover plate is provided with inlet opening, the upper surface of intermediate flow channel body is provided with upper strata annular channel, intermediate flow channel body is provided with connecting hole, and the lower surface of intermediate flow channel body is provided with lower floor's annular channel；Lower flow channel cover plate is provided with liquid outlet；Inlet opening, upper strata annular channel, connecting hole, lower floor's annular channel and liquid outlet form above-mentioned interface channel；
Upper sap cavity connect with upper strata annular channel by inlet opening, and upper strata annular channel passes through connecting hole and connects with lower floor annular channel, and lower floor's annular channel passes through liquid outlet and connects with lower sap cavity.
The Semi-active mount that runner the most according to claim 2 is variable, it is characterised in that also include the baffle plate extended from another sidewall of a sidewall of upper strata annular channel upwards layer annular channel.
The Semi-active mount that runner the most according to claim 2 is variable, it is characterised in that above-mentioned first liquid-through hole is placed on upper runner cover plate, the second liquid-through hole is placed on intermediate flow channel body, forms above-mentioned receiving space between upper runner cover plate, intermediate flow channel body.
The Semi-active mount that runner the most according to claim 1 is variable, it is characterised in that form cushion chamber between lower surface and the base of end bowl；
Base is provided with passage, and above-mentioned cushion chamber is in communication with the outside by passage.
The Semi-active mount that runner the most according to claim 1 is variable, it is characterised in that closure member is arranged on end bowl.
The Semi-active mount that runner the most according to claim 1 is variable, it is characterised in that the diapire of base is provided with installing hole；
Also including mounting seat, mounting seat covers on installing hole, and mounting seat removably connects with base；
Drive mechanism is placed in receiving space, and drive mechanism is arranged in mounting seat.
The Semi-active mount that runner the most according to claim 1 is variable, it is characterised in that also include flow-disturbing dish, flow-disturbing dish be placed in receiving space in and be connected with interior fuse.
The Semi-active mount that runner the most according to claim 1 is variable, it is characterised in that interior fuse is provided with installing hole.
10. a vehicle, it is characterised in that include the Semi-active mount that the runner described in claim 1-9 any one is variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297122.0A CN105822715B (en) | 2016-05-04 | 2016-05-04 | A kind of variable Semi-active mount of runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297122.0A CN105822715B (en) | 2016-05-04 | 2016-05-04 | A kind of variable Semi-active mount of runner |
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| Publication Number | Publication Date |
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| CN105822715A true CN105822715A (en) | 2016-08-03 |
| CN105822715B CN105822715B (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610297122.0A Active CN105822715B (en) | 2016-05-04 | 2016-05-04 | A kind of variable Semi-active mount of runner |
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| CN (1) | CN105822715B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366710A (en) * | 2017-08-25 | 2017-11-21 | 启东永兴橡胶制品有限公司 | A kind of hydraulic mount of two grad vibration isolation |
| KR20180064671A (en) * | 2016-12-06 | 2018-06-15 | 현대자동차주식회사 | Engine-mount |
| CN109404475A (en) * | 2018-12-12 | 2019-03-01 | 重庆交通大学 | Become decoupling film rigidity mixed mode magnetic rheological isolator |
| CN109555810A (en) * | 2018-12-12 | 2019-04-02 | 重庆交通大学 | Damp channel width-adjusting magnetic rheological isolator |
| CN109838496A (en) * | 2017-11-24 | 2019-06-04 | 现代自动车株式会社 | Engine mounting for vehicle |
| CN111717014A (en) * | 2020-05-22 | 2020-09-29 | 浙江零跑科技有限公司 | Hydraulic suspension structure |
| CN112060900A (en) * | 2020-10-10 | 2020-12-11 | 上海汽车集团股份有限公司 | Automobile, power assembly suspension system and torsion-resistant pull rod thereof |
| CN114215876A (en) * | 2021-12-16 | 2022-03-22 | 诺博橡胶制品有限公司 | Decoupling film, hydraulic suspension's runner subassembly and hydraulic suspension |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20180064671A (en) * | 2016-12-06 | 2018-06-15 | 현대자동차주식회사 | Engine-mount |
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| CN109404475B (en) * | 2018-12-12 | 2020-09-08 | 重庆交通大学 | Variable decoupling film rigidity mixed mode magneto-rheological vibration isolator |
| CN109404475A (en) * | 2018-12-12 | 2019-03-01 | 重庆交通大学 | Become decoupling film rigidity mixed mode magnetic rheological isolator |
| CN111717014A (en) * | 2020-05-22 | 2020-09-29 | 浙江零跑科技有限公司 | Hydraulic suspension structure |
| CN111717014B (en) * | 2020-05-22 | 2021-06-22 | 浙江零跑科技有限公司 | Hydraulic suspension structure |
| CN112060900A (en) * | 2020-10-10 | 2020-12-11 | 上海汽车集团股份有限公司 | Automobile, power assembly suspension system and torsion-resistant pull rod thereof |
| CN114215876A (en) * | 2021-12-16 | 2022-03-22 | 诺博橡胶制品有限公司 | Decoupling film, hydraulic suspension's runner subassembly and hydraulic suspension |
| CN114215876B (en) * | 2021-12-16 | 2024-05-31 | 诺博橡胶制品有限公司 | Decoupling film, hydraulic suspension's runner subassembly and hydraulic suspension |
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