CN106678261A - Novel shock absorber assembly of electric vehicle - Google Patents
Novel shock absorber assembly of electric vehicle Download PDFInfo
- Publication number
- CN106678261A CN106678261A CN201611225986.8A CN201611225986A CN106678261A CN 106678261 A CN106678261 A CN 106678261A CN 201611225986 A CN201611225986 A CN 201611225986A CN 106678261 A CN106678261 A CN 106678261A
- Authority
- CN
- China
- Prior art keywords
- damping
- lubricating oil
- oil
- mass parts
- buffer housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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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
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
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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
- F16F9/18—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 with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—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 with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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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
- F16F9/3207—Constructional features
-
- 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
- F16F9/3235—Constructional features of cylinders
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a shock absorber assembly of an electric vehicle. The shock absorber assembly comprises a buffer housing, wherein the buffer housing is provided with a piston cavity; a buffer piston shaft is mounted in the piston cavity in a sliding mode; a damping barrel is arranged in the piston cavity; a return spring is arranged in the damping barrel; a lubricating oil inlet channel is arranged on the buffer housing; one side, positioned in the lubricating oil inlet channel, of the buffer housing is equipped with an oil storage slot; the damping barrel is positioned between the oil storage slot and the piston cavity; a plurality of through holes are formed in the damping barrel; one side, away from the lubricating oil inlet channel, of the buffer housing is equipped with a lubricating oil outlet channel; a damping channel for enabling the two sides of a piston of a buffer piston shaft to communicate is arranged on the piston of the buffer piston shaft; the buffer housing is provided with an extension end; and a lubricating channel is arranged in the extension end. Through a unique structural design, the shock absorber assembly obtains a plurality of beneficial effects, and has a good application prospect and industrial production potential in the fields of electric vehicles and shock absorbers.
Description
Technical field
A kind of amortisseur of the present invention, relates more particularly to a kind of novel electric vehicle vibration damper assembly, belongs to amortisseur technology
Field.
Background technology
People are it is well known that in order that vehicle frame is decayed rapidly with the vibration of vehicle body, improve the ride comfort of electric automobile during traveling
And comfortableness, it is typically equipped with amortisseur in electric automobile suspension system.Amortisseur is the rapid wear during electric automobile use
The quality of accessory, its operating mode and work, by the stationarity for directly affecting electric automobile during traveling and the life-span of other parts, and in order to
Long-term riding comfort is reached, amortisseur also needs to be chronically at good working order.
The operation principle of amortisseur is mainly used to suppress the concussion and the impact from road surface when rebounding after spring shock-absorbing, with
And for the twisting vibration (i.e. the impulsive force of bent axle subject cylinder igniting and the phenomenon that twists) of the bent axle that contends with.Additionally, suspension system
In be hit generation vibration due to flexible member, be to improve electric automobile during traveling ride comfort, in suspension with flexible member generally simultaneously
Connection mounting shock absorber；And for the vibration that decays, the amortisseur adopted in electric automobile suspension system mostly is hydraulic damping amortisseur,
Its structure is that by the piston rod insertion tube with piston, and full of oil in cylinder, piston is provided with choke valve so that by piston point
The oil being separated out in two parts space come can complement each other, and its operation principle is when vehicle frame (or vehicle body) is vibrated and between vehicle bridge
When there is relative motion, the piston in amortisseur is then moved up and down, and the fluid in snubber cavity is just repeatedly from a chamber Jing
Cross choke valve and flow into another intracavity, the more little then damping force of flow is bigger, and the more big then damping force of oil viscosity is bigger.But if section
Discharge orifice size is constant, when amortisseur operating rate is fast, damps absorption of the conference impact to impacting.
At present, people have carried out substantial amounts of further investigation to damping of electric vehicles device, and achieve many achievements, for example：
CN205388118U discloses a kind of damping of electric vehicles device for preventing camber of spring and reducing noise, including fixation
Cylinder, the inner chamber of fixed cylinder is provided with baffle, is being ridden by being provided with baffle and can effectively reduce electric motor car in fixed tube inner chamber
The noise that row process is produced because of friction, to bicyclist a kind of environment of comfortably riding is provided, and the bottom of fixed cylinder is provided with high-strength
Degree Magnet one, the top of high intensity Magnet one is provided with the high intensity Magnet two with it with extreme direction, and the bottom of fixed cylinder is provided with height
Strength magnet one, the top of high intensity Magnet one is provided with the high intensity Magnet two with it with extreme direction, can be under spring strength
Fall and ensure good damping effect, the outer wall of the second fixed block is cased with spring one, and the outer wall of fixed block is cased with spring, Ke Yibao
Card spring is not susceptible to occur bending and deformation.Shock ring opposite side is connected with the side of spring two, and spring two is socketed on
Two fixed blocks.
CN205047723U discloses a kind of electric motor car integral type suspension damper, including dampening assembly and suspended rack assembly,
The dampening assembly includes housing, is arranged in electric motor car by electric vehicle chassis connecting seat outside housing, and guide pillar is arranged in housing
Lubricating sleeve, fairlead and damping spring, arrange guide pillar, the head Jing of housing in guide pillar lubricating sleeve, fairlead and damping spring
Hitch is connected with suspended rack assembly, and described suspended rack assembly includes upper end cover and bottom end cover, arranges between upper end cover and bottom end cover
Guide post and bearing spring, there is guide pipe and guide post lubrication management outside guide post, suspension base, suspension bottom are arranged in electric motor car
Seat in coupling spindle is set, a setting elastic ball of coupling spindle, elastic ball contacts with the outer wall of bottom end cover, coupling spindle it is another
Head setting axle sleeve, axle sleeve contacts with the head outer wall of fairlead.
CN204878490U discloses a kind of amortisseur of electric motor car, and it includes cylinder, the body of rod, and spring is cased with the body of rod,
One end of spring is connected with the end face of cylinder body bottom, and the other end of spring is connected with the lower end of the body of rod, and the upper end of the body of rod is stretched in cylinder
In body；Stage casing is fixed with skeleton in cylinder, and coil is wound with skeleton, and in the upper end of the body of rod magnet steel is provided with, and magnet steel is with bar
Body can move up and down together in coil, and the two ends of coil are brought out being closed outside cylinder.When electric motor car is produced in the process of moving
During raw vibration, magnet steel can move up and down with the body of rod in coil, and coil produces induced potential, can be during the closure of coil two ends
Electric current is formed in coil, movement of the electric current formed electromagnetic force to magnet steel plays damping action.This damping compared with prior art
Device does not need fluid can realize slowing down the vibration of spring yet, and in addition coil produces faradic current and can be used to fill electromobile battery
Electricity.
CN204948630A discloses a kind of damping of electric vehicles device, and it includes mounting seat, first rotating shaft, the first damping bullet
Spring, the second rotating shaft, the second damping spring and top cover, first damping spring is covered then in first rotating shaft, the second damping spring
The second rotating shaft is socketed on, the second rotating shaft is hollow tubular structure, and first rotating shaft and the second damping spring are placed in inside the second rotating shaft.
The structure is novel, and easy to use, durable, damping performance is superior.
As described above, various damping of electric vehicles devices are disclosed in prior art, but it is total for new damping of electric vehicles device
Into, still suffer from the necessary and demand for continuing to research and develop, this not only has urgent researching value, it may have good economic benefit and
Commercial application potentiality, this power that exactly present invention is accomplished is located and basis is leaned on.
The content of the invention
In order to research and develop the damping of electric vehicles device assembly of novelty, the present inventor has made intensive studies to this, is paying
After a large amount of creative works, so as to completing the present invention.
Specifically, the technical problem to be solved is：A kind of novel electric vehicle vibration damper assembly is provided, is passed through
Damping system is connected with lubricating system, and hydraulic damping damper cylinder is compensated using lubricating oil, so as to simplify
Outside structure, the service life of hydraulic damping amortisseur can be extended；And the cushion pad to wherein using is changed
Enter, so as to the performance for further cushion pad being significantly improved outside unique texture, also.
To solve above-mentioned technical problem and reaching above-mentioned purpose, the technical scheme is that：There is provided a kind of electric motor car to subtract
Shake device assembly, the damping of electric vehicles device assembly includes the buffer being connected to by cushion collar on car body, the buffer bag
Buffer housing is included, the buffer housing has plunger shaft, and the piston intracavity is slidably fitted with damper piston axle, described slow
Rush piston shaft one end and be provided with the connection end for connecting electronic suspension by hinged set, the other end is provided with the insertion buffer housing
Guide end, the piston intracavity is provided with damping cylinder, and piston of the damping jacket casing loaded on damper piston axle outside is described
Alignment pin is provided between damping cylinder and buffer housing, back-moving spring is provided with the damping cylinder, the back-moving spring is located at institute
State in the rodless cavity of plunger shaft and be set on the guide end, the back-moving spring relies on the described of the damper piston axle
On piston, the buffer housing is provided with lubricating oil oil inlet passage, and the lubricating oil oil-feed is located in the buffer housing
Passage side is provided with an oil storage tank, and described lubricating oil oil inlet passage one end connects the oil storage tank, and the other end connects the buffering
The lubricating oil oil-in of device housing afterbody, the cushion collar is arranged at the afterbody of the buffer housing, and the damping cylinder is located at
Between the oil storage tank and plunger shaft, the damping cylinder is provided with some through holes, and the through hole connects the plunger shaft and described
Oil storage tank, the through hole is arranged along the axial direction of the damping cylinder, away from the lubricating oil oil inlet passage in the buffer housing
Side is provided with lubricating oil oil discharge passage, and described lubricating oil oil discharge passage one end connects the plunger shaft away from the one of the piston
End, the other end connects the lubricating oil oil-out of the buffer housing afterbody；It is communicated with the piston of the damper piston axle
The damp channel of the piston both sides of the damper piston axle；Lubricating oil pipeline connects respectively the lubricating oil oil-in and the profit
Lubricating oil oil-out；
Cushion pad is provided between the hinged set and the buffer housing, the cushion pad is set in the damper piston
Shaft extension goes out the part of the buffer housing；
By structure design so, the cushion pad can stop that dust is attached on damper piston axle, effectively protect
The potted components such as oil sealing in buffer, rubber ring are protected, the service life of amortisseur of the present invention has been extended, and has served bullet
Property cushioning effect.
In the damping of electric vehicles device assembly of the present invention, the cushion pad is not particularly limited, and can be originally to subtract
Any conventional cushion pad in shake field, but used as a kind of preferred technical scheme, the cushion pad is made up of macromolecular material
Elastic buffering pad, it is for example, any one in nitrile rubber, EP rubbers, butadiene-styrene rubber, neoprene, butyl rubber etc.
Kind.
Preferably, the elastic buffering pad includes the component of following mass fraction：The component of 107-113 mass parts three is combined bullet
Property base material, 1-2 mass parts length for 0.1-0.2mm SiC whiskers, 1-2 mass parts thiodipropionic acid dilauryl cinnamic acid esters, 0.1-
0.3 mass parts di-n-butyltin dilaurate, 0.2-0.3 mass parts ethylene-vinyl acetate copolymers (EVA), 0.6-0.9 matter
Amount part methacryloxypropyl trimethoxy silane, 1-1.2 mass parts 4,4'- diamino bicyclic hexyl methane and 2-3 matter
Amount part granularity is the SiO 2 powder of 50-100nm.
Wherein, above-mentioned various materials are all the known materials in this area, can be commercially available by various commercial channel,
This is no longer going to repeat them.
Wherein, three described component composite elastic base materials are by mass ratio 100:5-10:The nitrile rubber of 2-3, phenylethylene
Thermoplastic elastomer (TPE) (TPES) and polyamide-type thermoplastic elastomer (TPAE) are constituted.
Even more preferably, present invention also offers the preparation method of the preferred elastic buffering pad, the preparation side
Method comprises the steps：
S1：The component composite elastic base material of 107-113 mass parts three, 1-2 mass parts length are weighed respectively for 0.1-0.2mm's
SiC whiskers, 1-2 mass parts thiodipropionic acid dilauryl cinnamic acid esters, 0.1-0.3 mass parts di-n-butyltin dilaurates, 0.2-0.3
Mass parts ethylene-vinyl acetate copolymer (EVA), 0.6-0.9 mass parts methacryloxypropyl trimethoxy silanes,
1-1.2 mass parts 4,4'- diamino bicyclic hexyl methane and the SiO 2 powder that 2-3 mass parts granularity is 50-100nm；
S2：SiC whiskers, thiodipropionic acid dilauryl cinnamic acid ester, ethyl vinyl acetate second are added in three component composite elastic base materials
Enoate copolymer (EVA), the methacryloxypropyl trimethoxy silane for total consumption 20-30% and for total consumption 70-
80% 4,4'- diamino bicyclic hexyl methane, gained mixture is sufficiently mixed at 120-140 DEG C in high-speed mixer
Uniformly, base material is obtained；
S3：Di-n-butyltin dilaurate, SiO 2 powder, the methyl of residue 70-80% are added in the base material
4, the 4'- diamino bicyclic hexyl methane of acryloxypropyl trimethoxy silane and residue 20-30%, by gained mixture
Continue at 120-140 DEG C after full and uniform mixing, injection mo(u)lding, so as to obtain the elastic buffering pad.
Used in step s 2 whole consumptions (i.e. listed consumption in step S1) three component composite elastic base materials,
SiC whiskers, thiodipropionic acid dilauryl cinnamic acid ester and ethylene-vinyl acetate copolymer (EVA), and it is incorporated as total consumption (i.e.
Listed consumption in step S1) 20-30% methacryloxypropyl trimethoxy silane and be total consumption (i.e. in step S1
Listed consumption) 70-80% 4,4'- diamino bicyclic hexyl methane；And add whole consumptions (i.e. step in step s3
Listed consumption in S1) di-n-butyltin dilaurate and SiO 2 powder, and remaining methacryloxypropyl three
Methoxy silane and remaining 4,4'- diamino bicyclics hexyl methane.
The inventors discovered that, when using above-mentioned specific components and specific preparation method, the elastic buffering pad tool for obtaining
There are very excellent many performances, such as performance such as high resiliency, heat resistant.So as to using outside being conventionally synthesized rubber,
It is provided with and further preferably selects.
Certainly, this is simply preferably selected to elastic buffering pad of the present invention, and conventional synthetic rubber can be used completely, and
The requirement present invention can not also be there is no need must be defined to above-mentioned preferred elastic buffering pad by the elastic buffering pad, and this will milli
Undoubtedly reduce the present invention should protection domain, and damage the deserved protection rights and interests and more upper protection model of applicant
Enclose.
In the damping of electric vehicles device assembly of the present invention, as a kind of preferred technical scheme, in the damping cylinder
End near the back-moving spring offers at least one breach.
By so setting, the plunger shaft can be caused to connect always with the oil storage tank, so as to avoid the work
Plug intracavity lacks lubricating oil.
In the damping of electric vehicles device assembly of the present invention, as a kind of preferred technical scheme, the damp channel
Sectional area near described back-moving spring one end is less than the sectional area away from described back-moving spring one end, away from the back-moving spring
The damp channel in be provided with steel ball.
By structure design so, the steel ball can be caused to play a part of check valve, when damper piston axle is rushed
When hitting power retraction, steel ball is removed, and damp channel is opened, and the lubricating oil in rodless cavity enters rod chamber by damp channel, and presses
Contracting back-moving spring, so as to also play damping shock absorption effect.
In the damping of electric vehicles device assembly of the present invention, as a kind of preferred technical scheme, on the damping cylinder
The circulation area of the through hole of close described back-moving spring one end is more than the through hole away from described back-moving spring one end
Circulation area.
By structure design so, so that when damper piston axle is stretched by external impacts, damming in steel ball
Under effect, damp channel is closed, and lubricating oil can not be flowed from rod chamber to rodless cavity, and can only enter rod chamber by rodless cavity,
But throttling action is produced due to the change of through hole sectional area, lubricating oil is gradually subtracted by plunger shaft into the oil inlet quantity of oil storage tank
It is few, so as to serve good damping shock absorption effect.
In the damping of electric vehicles device assembly of the present invention, used as a kind of preferred technical scheme, the lubricating oil enters
In line check valve is provided with oily passage.
In the damping of electric vehicles device assembly of the present invention, used as a kind of preferred technical scheme, the lubricating oil goes out
Oil outlet one-way valve is provided with oily passage.
In the damping of electric vehicles device assembly of the present invention, as a kind of preferred technical scheme, the buffer case
Body has an external part extended to the hinged set, and the damper piston axle runs through the external part, the external part
End is fixed with a dust cap, and oil sealing and guide pad are provided with the external part, and the oil sealing leans with the dust cap, institute
State guide pad to be fixed on the inwall of the external part, the damper piston axle is through the guide pad, the oil sealing and described
Dust cap.
Damper piston axle can be risen by structure design so, the especially use of guide pad (can be rigid structural member)
Good guide effect is arrived, it is to avoid eccentric when damper piston shaft extension goes out or retracts and cause potted component unbalance stress
It is even, effectively extend the service life of amortisseur of the present invention.
In the damping of electric vehicles device assembly of the present invention, as a kind of preferred technical scheme, the hinged set with
Compression spring is provided between buffer housing.
In the damping of electric vehicles device assembly of the present invention, as a kind of preferred technical scheme, in the hinged set
The first spring base is installed with, second spring seat, the second spring cover for seat dress are installed with the buffer housing
In the external part, the compression spring is clamped between first spring base and second spring seat.
By structure design so, compression spring secondary buffer can be caused to serve cushioning effect, so as to reduce
The oil pressure of lubricating oil during buffer damping, reduces the pressure oscillation of oil lubrication system.
It is described to stretch out as a kind of technical scheme being more highly preferred in the damping of electric vehicles device assembly of the present invention
Lubrication channel is provided with end, described lubrication channel one end connects the lubricating oil oil discharge passage, and the other end connection buffering is lived
Plug axle.
By structure design so, damper piston axle can be caused when damping buffering is carried out by impact, lubricating oil meeting
Lubrication channel is drained into, the surface of damper piston axle is lubricated, unnecessary lubricating oil then drains into it by lubricating oil oil discharge passage
His oil site, not only saves lubricating oil, and by impulsive force, saves lubricating power, it is not necessary to frequently enable grease pump
Lubrication is capable of achieving, is had very important significance.
As described above, the invention provides a kind of damping of electric vehicles device assembly, the vibration damper assembly is by unique knot
Structure is designed, so as to achieve many beneficial effects, for example：
(1) because oil storage tank is connected respectively with lubricating oil oil inlet passage and plunger shaft, lubricating oil is directly used as liquid
Pressure buffer carrier, it is not necessary to be separately provided Hydraulic Station and hydraulic circuit, using the lubricating oil of lubricating system the slow of buffer is realized
Punching is acted on, and playing the lubricating oil in damping effect, and oil storage tank can play compensating action, and what is overflowed when buffering is unnecessary
Lubricating oil just can enter lubricating oil oil discharge passage, and damper piston axle or other elements are lubricated, and reduce hydraulic pressure unit
Part, simplifies structure, is easy to safeguard, improves performance.
(2) because the circulation area for damping the through hole on cylinder near back-moving spring one end is more than away from back-moving spring one end
The circulation area of through hole, when damper piston axle is stretched by external impacts, under the effect of damming of steel ball, lubricating oil can not be by having
Rod cavity to rodless cavity flows, and lubricating oil can only enter rod chamber by rodless cavity, and be produced by the change of through hole actual internal area
Throttling action, lubricating oil is gradually decreased by plunger shaft into the oil inlet quantity of oil storage tank, is made so as to serve good damping shock absorption
With.
(3) sectional area due to damp channel near back-moving spring one end is less than the sectional area away from back-moving spring one end,
When damper piston axle is bounced back by impulsive force, the lubricating oil in rodless cavity enters rod chamber by damp channel, as piston is shifted to
Compression spring, the circulation area of through hole is increasing, and the lubricating oil in oil storage tank more and more enters rod chamber, while compression
Back-moving spring, so as to also play damping shock absorption effect.
(4) due to being provided with compression spring between hinged set and buffer housing, secondary buffer serves cushioning effect, from
And when reducing buffer damping lubricating oil oil pressure, reduce the pressure oscillation of oil lubrication system.
(5) because lubricating oil system is connected with damping fluid power oil system, when damper piston axle is subject to external impacts, delay
While rushing piston shaft retraction, a lubricating oil part for plunger shaft enters rod chamber, the unnecessary lubrication of another part by rodless cavity
It is oily then other oil sites are drained into by lubricating oil oil discharge passage, lubricating oil is not only saved, and by impulsive force, save lubrication
Power, it is not necessary to frequently enable grease pump and be capable of achieving lubrication, reduce the output of electric vehicle accumulator electricity, extend the continuous of storage battery
Boat ability.
(6) by the further preferred selection to cushion pad, the more excellent cushion pad of performance can be obtained, in uniqueness
Outside structure design, shock-absorbing capacity is also improved.
As described above, the invention provides a kind of novel electric vehicle vibration damper assembly, the vibration damper assembly is by uniqueness
Structure design and cushion pad preferably select, so as to achieve many beneficial effects, in electric automobiles and amortisseur field
Have a good application prospect and industrial production potential.
Description of the drawings
Fig. 1 is the structural representation of the damping of electric vehicles device assembly of the embodiment of the present invention；
Fig. 2 is the partial enlargement structural representation of A in Fig. 1；
Fig. 3 is the structural representation of the damping cylinder of the damping of electric vehicles device assembly in the embodiment of the present invention；
Wherein, in Fig. 1 to Fig. 3, each number designation refers to respectively following concrete meaning, element and/or part.
In figure：1st, hinged set, 2, alignment pin, the 3, first spring base, 4, buffer housing, 401, plunger shaft, 402, lubrication
Oily oil inlet passage, 403, lubricating oil oil discharge passage, 404, oil storage tank, 405, lubricating oil oil-in, 406, lubricating oil oil-out,
407th, in line check valve, 408, oil outlet one-way valve, 5, damper piston axle, 501, piston, 502, damp channel, 503, steel ball,
504th, connection end, 505, guide end, 6, damping cylinder, 601, through hole, 602, breach, 7, back-moving spring, 8, cushion pad, 9, stretch out
End, 901, dust cap, 902, oil sealing, 903, guide pad, 904, lubrication channel, 10, second spring seat, 11, compression spring, 12,
Cushion collar.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described.But the purposes and mesh of these exemplary embodiments
Be only used for enumerate the present invention, not any type of any restriction is constituted to the real protection scope of the present invention, it is more non-to incite somebody to action this
The protection domain of invention is confined to this.
The preparation of elastic buffering pad
Preparation example 1
S1：The component composite elastic base material of 108 mass parts three is weighed respectively (by 100 mass parts nitrile rubbers, 5 mass parts benzene
Ethylene analog thermoplastic elastomer (TPES) and 3 mass parts polyamide-type thermoplastic elastomer (TPAE) are constituted), 1 mass parts length
For the SiC whiskers of 0.1-0.2mm, 2 mass parts thiodipropionic acid dilauryl cinnamic acid esters, 0.1 mass parts di-n-butyltin dilaurate,
0.3 mass parts ethylene-vinyl acetate copolymer (EVA), 0.6 mass parts methacryloxypropyl trimethoxy silane,
1.2 mass parts 4,4'- diamino bicyclic hexyl methane and the SiO 2 powder that 2 mass parts granularities are 50-100nm；
S2：SiC whiskers, thiodipropionic acid dilauryl cinnamic acid ester, ethyl vinyl acetate second are added in three component composite elastic base materials
Enoate copolymer (EVA), the methacryloxypropyl trimethoxy silane (i.e. 0.12 mass parts) for total consumption 20% and
For 4, the 4'- diamino bicyclic hexyl methane (i.e. 0.96 mass parts) of total consumption 80%, by gained mixture at 130 DEG C in height
It is sufficiently mixed in fast mixer uniformly, obtains base material；
S3：Di-n-butyltin dilaurate, SiO 2 powder, remaining 80% metering system are added in the base material
Acryloxypropylethoxysilane trimethoxy silane (i.e. 0.48 mass parts) and remaining 20% 4,4'- diamino bicyclic hexyls methane are (i.e.
0.24 mass parts), gained mixture is continued after full and uniform mixing at 130 DEG C, injection mo(u)lding, so as to obtain elastic buffer
Pad, is named as T1.
Preparation example 2
S1：The component composite elastic base material of 112 mass parts three is weighed respectively (by 100 mass parts nitrile rubbers, 10 mass parts benzene
Ethylene analog thermoplastic elastomer (TPES) and 2 mass parts polyamide-type thermoplastic elastomer (TPAE) are constituted), 2 mass parts length
For the SiC whiskers of 0.1-0.2mm, 1 mass parts thiodipropionic acid dilauryl cinnamic acid ester, 0.3 mass parts di-n-butyltin dilaurate,
0.2 mass parts ethylene-vinyl acetate copolymer (EVA), 0.9 mass parts methacryloxypropyl trimethoxy silane, 1
Mass parts 4,4'- diamino bicyclic hexyl methane and the SiO 2 powder that 3 mass parts granularities are 50-100nm；
S2：SiC whiskers, thiodipropionic acid dilauryl cinnamic acid ester, ethyl vinyl acetate second are added in three component composite elastic base materials
Enoate copolymer (EVA), the methacryloxypropyl trimethoxy silane (i.e. 0.27 mass parts) for total consumption 30% and
For 4, the 4'- diamino bicyclic hexyl methane (i.e. 0.7 mass parts) of total consumption 70%, by gained mixture at 120 DEG C in height
It is sufficiently mixed in fast mixer uniformly, obtains base material；
S3：Di-n-butyltin dilaurate, SiO 2 powder, remaining 70% metering system are added in the base material
Acryloxypropylethoxysilane trimethoxy silane (i.e. 0.63 mass parts) and remaining 30% 4,4'- diamino bicyclics hexyl methane (i.e. 0.3
Mass parts), gained mixture is continued after full and uniform mixing at 120 DEG C, injection mo(u)lding, so as to obtain elastic buffering pad,
It is named as T2.
Preparation example 3
S1：The component composite elastic base material of 110 mass parts three is weighed respectively (by 100 mass parts nitrile rubbers, 7.5 mass parts
Styrene analog thermoplastic elastomer (TPES) and 2.5 mass parts polyamide-type thermoplastic elastomer (TPAE) are constituted), 1.5 mass
Part length is SiC whiskers, 1.5 mass parts thiodipropionic acid dilauryl cinnamic acid esters, the 0.2 mass parts tin dilaurate two of 0.1-0.2mm
Normal-butyl stannum, 0.25 mass parts ethylene-vinyl acetate copolymer (EVA), 0.8 mass parts methacryloxypropyl front three
TMOS, 1.1 mass parts 4,4'- diamino bicyclic hexyl methane and 2.5 mass parts granularities are the silicon dioxide of 50-100nm
Powder；
S2：SiC whiskers, thiodipropionic acid dilauryl cinnamic acid ester, ethyl vinyl acetate second are added in three component composite elastic base materials
Enoate copolymer (EVA), the methacryloxypropyl trimethoxy silane (i.e. 0.2 mass parts) for total consumption 25% and it is
4, the 4'- diamino bicyclic hexyl methane (i.e. 0.825 mass parts) of total consumption 75%, by gained mixture at 140 DEG C in height
It is sufficiently mixed in fast mixer uniformly, obtains base material；
S3：Di-n-butyltin dilaurate, SiO 2 powder, remaining 75% metering system are added in the base material
Acryloxypropylethoxysilane trimethoxy silane (i.e. 0.6 mass parts) and remaining 25% 4,4'- diamino bicyclic hexyls methane are (i.e.
0.275 mass parts), gained mixture is continued after full and uniform mixing at 140 DEG C, injection mo(u)lding is slow so as to obtain elasticity
Punching pad, is named as T3.
Comparative example 1-9
Comparative example 1-3：Respectively three component composite elastic base materials in S1 the step of embodiment 1-3 such as are replaced with the quality
Outside one-component nitrile rubber, other operations are constant, so as to embodiment 1-3 is repeated, sequentially obtain comparative example 1-3, by institute
Obtain elastic buffering pad and be sequentially named as D1, D2 and D3.
Comparative example 4-6：Respectively three component composite elastic base materials in S1 the step of embodiment 1-3 such as are replaced with the quality
Outward, other operations are constant, so as to embodiment 1-3 is repeated, sequentially for one-component styrene analog thermoplastic elastomer (TPES)
Comparative example 4-6 is obtained, gained elastic buffering pad is sequentially named as into D4, D5 and D6.
Comparative example 7-9：Respectively three component composite elastic base materials in S1 the step of embodiment 1-3 such as are replaced with the quality
Outward, other operations are constant, so as to embodiment 1-3 is repeated, sequentially for one-component polyamide-type thermoplastic elastomer (TPAE)
Comparative example 7-9 is obtained, gained elastic buffering pad is sequentially named as into D7, D8 and D9.
Comparative example 10-15
Comparative example 10-12：Except by all of methacryloxypropyl trimethoxy silane and 4,4'- diamino bicyclics
Hexyl methane is disposable, and all in step s 2 addition is outer, and its operation is constant, so as to embodiment 1-3 is repeated, sequentially obtains
Comparative example 10-12, by gained elastic buffering pad D10, D11 and D12 are sequentially named as.
Comparative example 13-15：Except by all of methacryloxypropyl trimethoxy silane and 4,4'- diamino bicyclics
Hexyl methane is disposable, and all in step s3 addition is outer, and its operation is constant, so as to embodiment 1-3 is repeated, sequentially obtains
Comparative example 13-15, by gained elastic buffering pad D13, D14 and D15 are sequentially named as.
Comparative example 16-21
Comparative example 16-18：Except all of methacryloxypropyl trimethoxy silane is disposable all in step
Outside adding in S2 and disposably in step s3 adding all of 4,4'- diamino bicyclics hexyl methane, it is operated not
Become, so as to embodiment 1-3 is repeated, sequentially obtain comparative example 16-18, gained elastic buffering pad is sequentially named as into D16, D17
And D18.
Comparative example 19-21：Except all of methacryloxypropyl trimethoxy silane is disposable all in step
Outside adding in S3 and disposably in step s 2 adding all of 4,4'- diamino bicyclics hexyl methane, it is operated not
Become, so as to embodiment 1-3 is repeated, sequentially obtain comparative example 19-21, gained elastic buffering pad is sequentially named as into D19, D20
And D21.
Performance test
Following multiple performance tests are carried out to the different elastic buffering pads of above-mentioned gained, it is specific as follows：
1st, according to the operating procedure and code of standard GB/T/T 528-2009, following different elastic buffering pads are carried out
The measure of elongation at break (testing its elastic performance), wherein the elastic buffering pad for representing to preparing for " 0 day " enters immediately
Row test, and expression in " 200 days " is tested after placing 200 days at 35 DEG C according to same national standard.Overall result
See the table below 1.
Table 1
As can be seen here：1st, when three component composite elastic base materials are replaced with into any one-component, fracture is caused
Percentage elongation is significantly reduced, and is reduced when being especially single use polyamide-type thermoplastic elastomer (TPAE) significantly, this card
It is bright to mutually promote when the mixture using these three materials, obtain best technique effect；2nd, methacryloxypropyl is worked as
Base propyl trimethoxy silicane and 4,4'- diamino bicyclic hexyls methane are not added step by step as the preparation method of the present invention
When, cause elongation at break have substantially attenuating (either both materials all additions in one step simultaneously, or
Any one whole components are added in different steps), when this demonstrate that so substep adds preparation, can obtain best
Technique effect.
2nd, resistance to elevated temperatures
Each elastic buffering pad is placed 75 hours at 90 DEG C, the mode of appearance of each sample is observed, including color plus
Whether whether deep, surface significantly viscosifies, and with this resistance to elevated temperatures of each cushion pad is investigated, and as a result see the table below in 2.
Table 2
Wherein：" light discolouration ", " micro- discoloration " and the discoloration of " discoloration " are deepened successively；" slight tacky ", " micro-
It is viscous " and the tacky degree of " tacky " become weigh successively.
As can be seen here：1st, when three component composite elastic base materials are replaced with into any one-component, high temperature resistant is led
Performance decreases, when being especially single use polyamide-type thermoplastic elastomer (TPAE)；2nd, when methacryloxy third
Base trimethoxy silane and 4,4'- diamino bicyclic hexyl methane is not step by step plus fashionable as the preparation method of the present invention,
Resistance to elevated temperatures is caused there are substantially attenuating (either both materials all additions in one step simultaneously, or in difference
The step of in add any one whole components), especially D10-15 is reduced significantly, this demonstrate that so substep plus
When entering to prepare, best technique effect can be obtained.
Damping of electric vehicles device assembly of the present invention
As shown in Fig. 1-3 is common, the invention provides a kind of damping of electric vehicles device assembly, the damping of electric vehicles device assembly
Including the buffer being connected to by cushion collar 12 on car body, buffer includes buffer housing 4, and buffer housing 4 has lives
Plug chamber 401, in plunger shaft 401 damper piston axle 5 is slidably fitted with, and the one end of damper piston axle 5 is provided with and connects electricity by hinged set 2
The connection end 504 of motor-car suspension, the other end is provided with the guide end 505 of Buffer insertion housing 4, plunger shaft 401 and is provided with damping
Cylinder 6, damps the outside of piston 501 that cylinder 6 is set in damper piston axle 5, and between damping cylinder 6 and buffer housing 4 alignment pin is provided with
2, the alignment pin 2 is served prevents damping cylinder 6 from rotating in the motor process of damper piston axle 5, so as to avoid damping leading on cylinder 6
Hole 601 can not connect plunger shaft 401 and oil storage tank 404, and back-moving spring 7 is provided with damping cylinder 6, and back-moving spring 7 is located at plunger shaft
401 rodless cavity is interior and is set on guide end 505, and back-moving spring 7 is relied on the piston 501 of damper piston axle 5, buffer
Housing 4 is provided with lubricating oil oil inlet passage 402, and an oil storage is provided with positioned at the side of lubricating oil oil inlet passage 402 in buffer housing 4
Groove 404, the one end of lubricating oil oil inlet passage 402 connection oil storage tank 404, the lubricating oil of the other end connection afterbody of buffer housing 4 enters
Hydraulic fluid port 405, cushion collar 12 is arranged at the afterbody of buffer housing 4, and damping cylinder 6 is located between oil storage tank 404 and plunger shaft 401,
Damping cylinder 6 is provided with some through holes 601, the connection plunger shaft 401 of through hole 601 and oil storage tank 404, axle of the through hole 601 along damping cylinder 6
To arrangement, lubricating oil oil discharge passage 403 is provided with away from the side of lubricating oil oil inlet passage 402 in buffer housing 4, lubricating oil is fuel-displaced
The one end of passage 403 connects the one end of plunger shaft 401 away from piston 501, and the lubricating oil of the other end connection afterbody of buffer housing 4 goes out
Hydraulic fluid port 406；The damp channel 502 of the both sides of piston 501 of damper piston axle 5 is communicated with the piston 501 of damper piston axle 5,
Lubricating oil pipeline connects respectively lubricating oil oil-in 405 and lubricating oil oil-out 406, and damping system is connected with lubricating system
Connect, hydraulic damping damper cylinder is compensated using lubricating oil, unnecessary lubricating oil drains into oil site by lubricating oil outlet, cancel
Choke valve in conventional damping systems, the parts such as shell fragment are restored, simplify structure.
Wherein, connect always with oil storage tank 404 to ensure plunger shaft 401, it is to avoid lack lubricating oil in plunger shaft 401,
At least one breach 602 can be offered in damping cylinder 6 near the end of back-moving spring 7 so that plunger shaft 401 and oil storage tank 404
It is connected.
Wherein, in processing and fabricating, buffer housing 4 is divided into two halfbodies at the position with plunger shaft 401, two
Halfbody is split up and down along the axis of plunger shaft 401, after machining, by the installation of damper piston axle 5, then two halfbodies is closed
Together, so as to obtaining the buffer housing 4.
Wherein, sectional area of the damp channel 502 near the one end of back-moving spring 7 is less than away from the one end of back-moving spring 7
Sectional area, away from back-moving spring 7 damp channel 502 in be provided with steel ball 503.
By structure design so, the steel ball can be caused to play a part of check valve, when damper piston axle 5 is rushed
When hitting power retraction, steel ball 503 is removed, and damp channel 502 is opened, and the lubricating oil in rodless cavity is entered by damp channel 502 to be had
Rod cavity, and compression reseting spring 7, so as to also play damping shock absorption effect.
Wherein, the circulation area on the damping cylinder 6 near the through hole 601 of the one end of back-moving spring 7 is more than away from reset bullet
The circulation area of the through hole 601 of the one end of spring 7.
By structure design so, so that when damper piston axle 5 is stretched by external impacts, in steel ball 503
Under the effect of damming, damp channel is closed, and lubricating oil can not be flowed from rod chamber to rodless cavity, and can only be entered by rodless cavity has bar
Chamber, but throttling action is produced due to the change of the sectional area of through hole 601, lubricating oil entering into oil storage tank 404 by plunger shaft 401
Oil mass is gradually decreased, so as to serve good damping shock absorption effect.
Wherein, in line check valve 407 is preferably provided with the lubricating oil oil inlet passage 402, in lubricating oil oil discharge passage 403
It is preferably provided with oil outlet one-way valve 408.So that lubricating oil can only flow according to direction, it is to avoid lubricating oil reverse flow
Recoil to oil feeding system.
Wherein, cushion pad 8 is provided between the hinged set 1 and buffer housing 4, cushion pad 8 is set in damper piston axle 5
The part of projection buffer housing 4.
By structure design so, cushion pad 8 can stop that dust is attached on damper piston axle 5, effectively protect
The potted component such as oil sealing, rubber ring, extends the service life of amortisseur of the present invention in buffer, and serves elasticity
Cushioning effect.
Wherein, the cushion pad 8 (for example can be with favorable elasticity for elastic buffering pad 8 made by macromolecular material
Any one in various synthetic rubber, such as nitrile rubber, EP rubbers, butadiene-styrene rubber, neoprene, butyl rubber, most
Improved elastic buffering pad of the invention preferably described above, here is no longer described in detail).
Wherein, the buffer housing 4 has an external part 9 extended to hinged set 1, and damper piston axle 5 runs through to be stretched
Go out end 9, the end of external part 9 is fixed with a dust cap 901, external part 9 and is provided with oil sealing 902 and guide pad 903, oil sealing 902
Lean with dust cap 901, guide pad 903 is fixed on the inwall of external part 9, damper piston axle 5 is through guide pad 903, oil
Envelope 902 and dust cap 901；Guide pad 903 is rigid structural member, and to damper piston axle 5 good guide effect is served, it is to avoid
It is eccentric and cause potted component discontinuity when damper piston axle 5 stretches out or retracts, effectively extend damping of the present invention
The service life of device.
As a kind of preferred technical scheme, in the external part 9 lubrication channel 904, the one end of lubrication channel 904 are provided with
Connection lubricating oil oil discharge passage 403, other end connection damper piston axle 5.
By structure design so, damper piston axle 5 can be caused when damping buffering is carried out by impact, lubricating oil meeting
Lubrication channel 904 is drained into, the surface of damper piston axle 5 is lubricated, unnecessary lubricating oil is then by lubricating oil oil discharge passage 403
Other oil sites are drained into, lubricating oil is not only saved, and by impulsive force, saves lubricating power, it is not necessary to frequently enable profit
Oil pump is capable of achieving lubrication, has very important significance.
Wherein, be provided with compression spring 11 between the hinged set 1 and buffer housing 4, preferred compressed spring 11 it is concrete
Structure design is as follows：The first spring base 3 is installed with hinged set 1, second spring seat is installed with buffer housing 4
10, second spring seat 10 is set in external part 9, and compression spring 11 is clamped between the first spring base 3 and second spring seat 10.
By structure design so, the secondary buffer of compression spring 11 can be caused to serve cushioning effect, so as to reduce
The oil pressure of lubricating oil, reduces the pressure oscillation of oil lubrication system during buffer damping.
The concrete operating principle and process of the vibration damper assembly of the present invention is as follows：
Before work, lubricating oil is added in oil storage tank 404 from lubricating oil oil inlet passage 402, lubricating oil then enters lubrication
Passage 904, realizes the lubrication of damper piston axle 5, and unnecessary lubricating oil then enters oil site by lubricating oil oil discharge passage 403, by
It is connected with plunger shaft 401 in oil storage tank 404, in plunger shaft 401 lubricating oil is also filled with.When damper piston axle 5 receives external impacts
During stretching, under the effect of damming of steel ball 503, damp channel 502 is closed, and lubricating oil can not be flowed from rod chamber to rodless cavity,
Lubricating oil can only enter rod chamber by rodless cavity, and produce throttling action by the change of the sectional area of through hole 601, and lubricating oil is by living
Plug chamber 401 gradually decreases into the oil inlet quantity of oil storage tank 404, so as to serve good damping shock absorption effect；Damper piston axle 5
When being bounced back by impulsive force, the lubricating oil in rodless cavity enters rod chamber by damp channel 502, as piston 501 shifts to compression
Spring 11, the circulation area of through hole 601 is increasing, and the lubricating oil in oil storage tank 404 more and more enters rod chamber, while
Compression reseting spring 7, cushion pad 8 and compression spring 11, so as to also play damping shock absorption effect.No matter piston 501 to which
Direction is moved, and unnecessary lubricating oil then drains into other oil sites, not only saves lubricating oil by lubricating oil oil discharge passage 403, and
And by impulsive force, save lubricating power, it is not necessary to frequently enable grease pump and be capable of achieving lubrication, when impact force action is eliminated
Afterwards, in the presence of back-moving spring 7, damper piston axle 5 restores balance position.
As described above, the invention provides a kind of damping of electric vehicles device assembly, the vibration damper assembly is by unique knot
Structure is designed, and so as to achieve many beneficial effects, is had a good application prospect and work in electric automobiles and amortisseur field
Industry productive potentialities.
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit the protection model of the present invention
Enclose.Additionally, it will also be appreciated that after the technology contents for having read the present invention, those skilled in the art can make each to the present invention
Plant and change, change and/or modification, all these equivalent form of value equally falls within the guarantor that the application appended claims are limited
Within the scope of shield.
Claims (10)
1. a kind of damping of electric vehicles device assembly, the damping of electric vehicles device assembly includes being connected to by cushion collar slow on car body
Device is rushed, the buffer includes buffer housing, and the buffer housing has plunger shaft, and the piston intracavity is slidably fitted with
Damper piston axle, described damper piston axle one end is provided with the connection end for connecting electronic suspension by hinged set, and the other end is provided with
The guide end of the buffer housing is inserted, the piston intracavity is provided with damping cylinder, and the damping jacket casing is lived loaded on the buffering
The piston outside of plug axle, between the damping cylinder and buffer housing alignment pin is provided with, and in the damping cylinder back-moving spring is provided with,
The back-moving spring is located in the rodless cavity of the plunger shaft and is set on the guide end, and the back-moving spring relies on institute
State on the piston of damper piston axle, the buffer housing is provided with lubricating oil oil inlet passage, in the buffer housing
An oil storage tank is provided with positioned at the lubricating oil oil inlet passage side, described lubricating oil oil inlet passage one end connects the oil storage tank,
The other end connects the lubricating oil oil-in of the buffer housing afterbody, and the cushion collar is arranged at the tail of the buffer housing
Portion, the damping cylinder is located between the oil storage tank and plunger shaft, and the damping cylinder is provided with some through holes, the through hole connection
The plunger shaft and the oil storage tank, the through hole is arranged along the axial direction of the damping cylinder, away from institute in the buffer housing
State lubricating oil oil inlet passage side and be provided with lubricating oil oil discharge passage, it is remote that described lubricating oil oil discharge passage one end connects the plunger shaft
From one end of the piston, the other end connects the lubricating oil oil-out of the buffer housing afterbody；The damper piston axle
The damp channel of the piston both sides of the damper piston axle is communicated with piston；Lubricating oil pipeline connects respectively the lubricating oil
Oil-in and the lubricating oil oil-out；
Cushion pad is provided between the hinged set and the buffer housing, the cushion pad is set in the damper piston shaft extension
Go out the part of the buffer housing；
The cushion pad is elastic buffering pad made by macromolecular material.
2. damping of electric vehicles device assembly as claimed in claim 1, it is characterised in that：The elastic buffering pad be nitrile rubber,
Any one in EP rubbers, butadiene-styrene rubber, neoprene, butyl rubber etc..
3. damping of electric vehicles device assembly as claimed in claim 1, it is characterised in that：The elastic buffering pad includes following quality
The component of number：The component composite elastic base material of 107-113 mass parts three, 1-2 mass parts length for 0.1-0.2mm SiC whiskers,
1-2 mass parts thiodipropionic acid dilauryl cinnamic acid esters, 0.1-0.3 mass parts di-n-butyltin dilaurates, 0.2-0.3 mass parts second
Alkene-vinyl acetate co-polymer (EVA), 0.6-0.9 mass parts methacryloxypropyl trimethoxy silanes, 1-1.2 matter
Amount part 4,4'- diamino bicyclic hexyl methane and the SiO 2 powder that 2-3 mass parts granularity is 50-100nm.
4. damping of electric vehicles device assembly as claimed in claim 3, it is characterised in that：The preparation method bag of the elastic buffering pad
Include following steps：
S1：The SiC that the component composite elastic base material of 107-113 mass parts three, 1-2 mass parts length are 0.1-0.2mm is weighed respectively
Whisker, 1-2 mass parts thiodipropionic acid dilauryl cinnamic acid esters, 0.1-0.3 mass parts di-n-butyltin dilaurates, 0.2-0.3 matter
Amount part ethylene-vinyl acetate copolymer (EVA), 0.6-0.9 mass parts methacryloxypropyl trimethoxy silanes, 1-
1.2 mass parts 4,4'- diamino bicyclic hexyl methane and the SiO 2 powder that 2-3 mass parts granularity is 50-100nm；
S2：SiC whiskers, thiodipropionic acid dilauryl cinnamic acid ester, ethylene-vinyl acetate are added in three component composite elastic base materials
Copolymer (EVA), the methacryloxypropyl trimethoxy silane for total consumption 20-30% and for total consumption 70-80%
4,4'- diamino bicyclic hexyl methane, gained mixture is sufficiently mixed in high-speed mixer at 120-140 DEG C
It is even, obtain base material；
S3：Di-n-butyltin dilaurate, SiO 2 powder, the metering system of residue 70-80% are added in the base material
4, the 4'- diamino bicyclic hexyl methane of acryloxypropylethoxysilane trimethoxy silane and residue 20-30%, gained mixture is continued
At 120-140 DEG C after full and uniform mixing, injection mo(u)lding, so as to obtain the elastic buffering pad.
5. the damping of electric vehicles device assembly as described in any one of claim 1-4, it is characterised in that：In the damping cylinder near institute
The end for stating back-moving spring offers at least one breach.
6. the damping of electric vehicles device assembly as described in any one of claim 1-5, it is characterised in that：The damp channel is near institute
The sectional area of back-moving spring one end is stated less than the sectional area away from described back-moving spring one end, away from described in the back-moving spring
Steel ball is provided with damp channel.
7. the damping of electric vehicles device assembly as described in any one of claim 1-6, it is characterised in that：Near institute on the damping cylinder
The circulation area for stating the through hole of back-moving spring one end is more than the circulating face of the through hole away from described back-moving spring one end
Product.
8. the damping of electric vehicles device assembly as described in any one of claim 1-7, it is characterised in that：The lubricating oil oil inlet passage
Inside it is provided with line check valve.
9. the damping of electric vehicles device assembly as described in any one of claim 1-8, it is characterised in that：The lubricating oil oil discharge passage
Inside it is provided with oil outlet one-way valve.
10. the damping of electric vehicles device assembly as described in any one of claim 1-9, it is characterised in that：The buffer housing tool
There is an external part extended to the hinged set, the damper piston axle runs through the external part, the end of the external part
A dust cap is fixed with, oil sealing and guide pad are provided with the external part, the oil sealing leans with the dust cap, described to lead
It is fixed on the inwall of the external part to block, the damper piston axle is through the guide pad, the oil sealing and described dust-proof
Lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225986.8A CN106678261A (en) | 2016-12-27 | 2016-12-27 | Novel shock absorber assembly of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225986.8A CN106678261A (en) | 2016-12-27 | 2016-12-27 | Novel shock absorber assembly of electric vehicle |
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| CN106678261A true CN106678261A (en) | 2017-05-17 |
Family
ID=58872860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611225986.8A Withdrawn CN106678261A (en) | 2016-12-27 | 2016-12-27 | Novel shock absorber assembly of electric vehicle |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906161A (en) * | 2017-12-12 | 2018-04-13 | 西安科飞机电科技有限公司 | Buffer |
| CN113276599A (en) * | 2021-06-18 | 2021-08-20 | 安徽工业大学 | Electric vehicle wheel assembly capable of recycling road surface excitation energy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363007A (en) * | 2012-04-10 | 2013-10-23 | 范勇 | Damper, vehicle suspension system and vehicle |
| WO2015109380A1 (en) * | 2014-01-22 | 2015-07-30 | Николай Васильевич ШУМСКИЙ | Shock absorber |
| CN105605144A (en) * | 2016-02-28 | 2016-05-25 | 瑞安市万业电器有限公司 | Dustproof air-bag shock absorber for cars |
-
2016
- 2016-12-27 CN CN201611225986.8A patent/CN106678261A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363007A (en) * | 2012-04-10 | 2013-10-23 | 范勇 | Damper, vehicle suspension system and vehicle |
| WO2015109380A1 (en) * | 2014-01-22 | 2015-07-30 | Николай Васильевич ШУМСКИЙ | Shock absorber |
| CN105605144A (en) * | 2016-02-28 | 2016-05-25 | 瑞安市万业电器有限公司 | Dustproof air-bag shock absorber for cars |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906161A (en) * | 2017-12-12 | 2018-04-13 | 西安科飞机电科技有限公司 | Buffer |
| CN113276599A (en) * | 2021-06-18 | 2021-08-20 | 安徽工业大学 | Electric vehicle wheel assembly capable of recycling road surface excitation energy |
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