CN106594146B - A kind of automobile absorber assembly - Google Patents
A kind of automobile absorber assembly Download PDFInfo
- Publication number
- CN106594146B CN106594146B CN201611222990.9A CN201611222990A CN106594146B CN 106594146 B CN106594146 B CN 106594146B CN 201611222990 A CN201611222990 A CN 201611222990A CN 106594146 B CN106594146 B CN 106594146B
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- China
- Prior art keywords
- piston
- guide
- centre pilot
- buffer
- chamber
- 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
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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
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
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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
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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
-
- 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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
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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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/362—Combination of sealing and guide arrangements for piston rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of automobile absorber assemblies, it includes the buffer housing for connecting suspension, buffer housing has piston guide chamber, piston guide intracavitary is slidably fitted with centre pilot axis, centre pilot axis is connected with vehicle transit disk, piston guide intracavitary is equipped with guide cylinder, the piston of centre pilot axis is equipped with guide piston, resetting spring is equipped in guide cylinder, the piston compression chamber of connection piston guide chamber is equipped in buffer case body, centre pilot axis stretches into one end in buffer case body and is equipped with compression piston, a gas energy storage chamber is set in buffer case body, gas energy storage chamber is connected to piston compression chamber, the connection of gas energy storage chamber is set to the outlet passageway in buffer case body, buffer housing has external part, dust cover is equipped between vehicle transit disk and external part, compressed spring is equipped between vehicle transit disk and buffer housing.The automobile absorber assembly has a good application prospect and industrial production potential in auto industry field.
Description
Technical field
The present invention relates to a kind of dampers, more particularly relate to a kind of automobile absorber assembly, belong to mechanical damper technology
Field.
Background technology
In the automotive industry, in order to improve comfort, the vibration for making vehicle frame and vehicle body is needed to decay rapidly, so as to improve vapour
The ride comfort and comfort of vehicle traveling.And to realize effect and purpose so, it is typically equipped with and subtracts on automobile suspension system
Shake device.
The concussion when operation principle of damper is for inhibiting to rebound after spring shock-absorbing and the impact from road surface are used for
Contend with the twisting vibration (i.e. the impact force of bent axle subject cylinder igniting and the phenomenon that twist) etc. of bent axle, so not influence automobile total
Under the premise of body performance, good damping effect is realized, be the important research content in the damper field in auto industry.
Currently, many achievements are had been achieved for for the research of automobile absorber, it is big to obtain in the automotive industry
The application of scale.On the basis of current used a variety of dampers, people still to damper more deeply grind
Study carefully, good technological reserve is provided for the further development of automobile absorber.Such as：
CN104343883A discloses a kind of automobile absorber, includes the cylinder body with piston rod, the main work in cylinder body
Plug and auxiliary piston, the main piston are fixed on piston rod one end, oil leak hole are both provided on the main piston and auxiliary piston,
The both ends of the cylinder body are both provided with damping device, and the auxiliary piston is connected to by spring on main piston, the master
Buffering ball is provided between piston and auxiliary piston, the cylinder body is provided with oil filler point, shock when using to cylinder body end face
Power is small, and cylinder body is not easy to be destroyed.
CN104806684A discloses a kind of automobile damper structure, including cylinder body, and inner wall surface thereof is at smooth knot
Structure, is equipped with piston in cylinder body, and internal piston is equipped with third cylinder cap inserted with mandril, positioned at cylinder body tail portion, and mandril it
Between the first spring is installed, third cylinder cap is pacified at the step surface of third cylinder cap between outside piston circumferential surface at terraced structure
Swash pipe equipped with shaking, the outer circumference surface of sharp pipe that shakes is bonded with the internal face of cylinder body；It is also equipped with piston rod in cylinder body, passes through star
Circle is equipped with energy-absorbing piston, and the second cylinder cap is installed between left side and piston rod head, and outer circumference surface is formed with step, the
Positioning sleeve is installed, outer circumference surface is bonded with the internal face of cylinder body, positioning between the step surface of two cylinder cap and the sharp end surfaces that shake
There are gaps between the inner peripheral surface and outside piston circumferential surface of set；Cylinder cap is installed on the piston rod at cylinder head, is inhaled
Second spring can be installed between piston right end and cylinder cap.It is easy to process, it is at low cost.
CN105134857A discloses a kind of stabilization type automobile absorber, including cylinder body, piston rod, is equipped with and fills out in cylinder body
Filling liquid body is additionally provided with stabilization shell on the outside of cylinder body, and cavity is equipped on the inner wall of stabilization shell, and stabilization is equipped in cavity
Spring, the outside of stabilization spring be equipped with link block, on the outer wall of cylinder body be equipped with the matched locating piece of link block, in cylinder
Fine motion tension spring is equipped between the bottom and the bottom of stabilization shell of body, one end of fine motion tension spring is fixed on the bottom of cylinder body, another
End is fixed on the bottom of stabilization shell, be additionally provided with the matched sealing cover of stabilization shell, it is slow equipped with stabilization in stabilization shell
Fliud flushing body is fixed with lateral supports block in the bottom outside of cylinder body, throttle orifice is uniformly provided in lateral supports block.The damper
It is simple in structure, convenient to use, it improves the stability in use of damper and uses validity, reduce the production cost, carry
High packaging efficiency, applicability is good, highly practical.
CN1052002097A discloses a kind of automobile absorber structure, including rubber support, sealing element, operating room, interior
Pipe, piston, piston rod, outer tube, protection pipe, accumulator and bottom valve；The outer tube is equipped with protection pipe, and the protection
Inner tube is installed inside pipe；Said inner tube is internally provided with operating room；The outer tube top is equipped with rubber support, and described
Piston rod is installed, and described piston rod one end is installed on internal tube inside rubber support；The piston rod surface installation
There is sealing element, and described piston rod one end is embedded in internal piston；The piston side is provided with the bottom valve positioned at inner tube side wall；
Accumulator is provided between said inner tube and protection pipe；Compared with prior art, the automobile absorber structure can play drop
The vibrating effect of low vehicle, service life is long, and occupant is made to be comfortable on.
CN105240440A discloses the rod set being arranged outside a kind of automobile absorber, including decoupling rod, decoupling rod bottom side,
The rod set is set in damping club body lower outside, and decoupling rod is slidably matched with rod set, and rod set axle center is equipped with cooperation damping
The axocoel of bar, the corresponding damping club body of rod set are equipped with the annular teeth arranged along decoupling rod length direction, are equipped in rod set more
The gear of a cooperation teeth, gear are circumferentially uniformly distributed along decoupling rod, and the gear cavity of mate gear, axis are equipped in corresponding rod set
Chamber, gear cavity communicate, and are filled in axocoel, gear cavity and set sticky hydraulic oil liquid, and decoupling rod bottom end is the piston structure of spherical surface, piston
Inside configuration is equipped with Y type oil ducts, and the corresponding damping club body sheathed spring in rod set top, damping is steady, and resiliency is preferable, can
It avoids wearing, service life is long.
CN105370790A discloses a kind of automobile absorber, and the automobile absorber includes：Support plate 1, piston rod 2,
Piston 3, cylinder body 9, the first return spring 4 and permanent magnet 6, the support plate, piston rod and piston are sequentially affixed from top to bottom, forever
Magnet setting cylinder body outer top and with cylinder body Joint, piston 3 is located in the cylinder body, and the support plate is located at the cylinder body
The top of upper surface, and the piston rod upper end passes through the top of the cylinder body, first return spring to be sleeved on the work
On stopper rod, and one end is connect with the support plate, and the other end is fixed on the top of the cylinder body 8, overcomes damping in the prior art
Device is after long-term use, it may appear that and damping effect is deteriorated, and the resilience of damper is vulnerable, the short problem of service life, from
And provide it is a kind of lasting good of process damping effect is being used for a long time, damper resilience is strong, and vapour with long service life
Vehicle damper.
CN104074911A discloses a kind of automobile absorber, including support plate, piston, shell, air bleeding valve, permanent magnet and
Return spring, the support plate are placed in above shell；The piston is placed in the shell, and the piston upper end be equipped with across
The piston rod that the upper part of the housing is fixedly connected with the support plate；The permanent magnet fixation is placed in the shell upper end；It is described
Return spring is sleeved on the piston rod, and the return spring is between support plate and permanent magnet；The air bleeding valve is set
In the top of the shell one side；The top of the shell another side is provided with oil filler point；The lower part of the housing is provided with
Oil leak hole.Compared with the prior art, which has dual resilience, can exclude the polluter in damper in time,
Ensure the unimpeded of damper valve body, reduce the abrasion inside damper, increases service life.
CN102853024A discloses a kind of automobile absorber, and the automobile absorber includes the first storage oil cylinder, activity
Oil cylinder, First piston bar, first piston and helical spring are fixed with first in the one end of First piston bar far from first piston
Spring base is fixed with second spring seat on the outer wall of movable cylinder；The helical spring is set on movable cylinder；The turning
Include the second storage oil cylinder and second piston bar without regulating mechanism is rolled, the second storage oil cylinder is two, second piston bar
Both ends stretch into the second storage oil cylinder from the fourth hole on two second storage oil cylinders respectively, two second storage oil cylinders pass through one and connect
Extension bar is connected, and the moving parts for moving second piston bar is further fixed in the middle part of second piston bar.The damper can have
Improve the comfort of the stability and seating that are manipulated in vehicle traveling process in effect ground；Further, it is possible to prevent automobile in turning process
In inclination.
As described above, disclose a variety of automobile absorbers in the prior art, but for automobile absorber assembly there are still after
Necessity and demand of continuous research, this not only has urgent researching value, it may have good economic benefit and commercial Application are latent
Power is leaned on where this power that exactly present invention is accomplished with basis.
Invention content
In order to research and develop automobile absorber assembly, the present inventor has made intensive studies this, is paying a large amount of creativeness
After labour, so as to complete the present invention.
Specifically, the technical problem to be solved by the present invention is to：A kind of automobile absorber assembly is provided, the damper is total
At by unique structure design and mutual cooperation, to achieve many beneficial technique effects, have in auto industry field
There are good application prospect and industrial production potential.
In order to solve the above technical problems, the technical scheme is that：A kind of automobile absorber assembly, the automobile are provided
Vibration damper assembly includes the buffer housing for connecting suspension, and the buffer housing has piston guide chamber, the piston guide
Intracavitary is slidably fitted with centre pilot axis, and the centre pilot axis is connected with vehicle transit disk, and the piston guide intracavitary is set
There are guide cylinder, the piston of the centre pilot axis to be equipped with guide piston, the guide piston is slidably mounted on the guide cylinder
It is interior, resetting spring is equipped in the guide cylinder, described resetting spring one end abuts against on the guide piston, and the other end abuts against
In the buffer housing, the piston compression chamber for being connected to the piston guide chamber, the center are equipped in the buffer case body
Guiding axis stretches into one end in the buffer case body and is equipped with compression piston, and the compression piston is slidably mounted on the piston pressure
Contracting intracavitary, is equipped with the first inlet channel of connection ambient atmosphere and the piston compression chamber in the buffer case body, and described the
It is equipped with the first breather check valve in one inlet channel, a gas energy storage chamber, the gas energy storage chamber are set in the buffer case body
It is connected to the piston compression chamber by the second inlet channel, the second breather check valve is equipped in second inlet channel, it is described
The connection of gas energy storage chamber is set to the outlet passageway in the buffer case body；
There are one the external part extended to the vehicle transit disk, the centre pilot axis runs through the buffer housing tool
The external part；
Dust cover is equipped between the vehicle transit disk and the external part of the buffer housing, the centre pilot axis is stretched
The dust cover is run through in the part for going out the buffer housing, the both ends of the dust cover respectively with the vehicle transit disk and institute
State external part sealed connection；
The dust cover there is the first fixing end for connecting the vehicle transit disk and connect the buffer housing the
Two fixing ends；
The vehicle transit disk is equipped with top rubber cushion, and the end of first fixing end is sealedly attached to institute by fluid sealant
It states on the rubber cushion of top, and the centre pilot axis is in contact with first fixing end, first fixing end is solid construction, only
Through hole compatible with the centre pilot axis is opened up in the centre pilot shaft position, the end of second fixing end is logical
Fluid sealant is crossed to be seal-installed on the external part；
Compressed spring, the set-up mode of the compressed spring are equipped between the vehicle transit disk and the buffer housing
For：The first spring base is installed on the vehicle transit disk, first spring base is installed on the top rubber cushion, described
Second spring seat is installed in buffer housing, the second spring cover for seat is loaded on the external part, the compressed spring
It clamps between first spring base and the second spring seat.
By structure design so, 1, when the vehicle transit disk is impacted, the centre pilot axis retraction, pressure
Contract the resetting spring, to eliminate partial vibration；And with the retraction of the centre pilot axis, the compression piston pressure
The cavity to contract in the piston compression chamber so that these compressed airs are stored by second breather check valve into the gas
Energy chamber, also further improves damping effect；2, the compressed spring can secondary buffer play cushioning effect, to reduce
The oil pressure of lubricating oil, reduces the pressure oscillation of oil lubrication system, and pass through above-mentioned uniqueness when buffer damping
Set-up mode may make the stretching, extension of compressed spring and recovery more buffer, is gentle, further reduce vibration, improve vehicle
Riding comfort；3, the dust cover can stop that the sundries such as dust are attached on the centre pilot axis, advantageously protect
The sealing element of oil sealing, rubber ring etc. further extends the service life of damper of the present invention；4, first fixing end is only
Through hole compatible with the centre pilot axis is opened up in the centre pilot shaft position, so as to form knot is slidingly sealed
Structure plays the role of good fixed function and elastic buffer；The end of second fixing end is sealed by fluid sealant and is installed
In on the external part, good sealing effect is also played；5, on the one hand the dust cover plays dust-proof, anti-ageing be turned into
With on the other hand also acting elastic shock attenuation effect, in terms of third, once the oil sealing of external part damages, dust cover can be with
Play the role of sealing lubricating oil.
In the automobile absorber assembly of the present invention, the outlet passageway can connect other lubricating pipes；Or
When not in use, it can also use to block and be blocked.
In the automobile absorber assembly of the present invention, as a kind of perferred technical scheme, the buffer housing
Gas-permeable channels are equipped with, the guide cylinder is equipped with air hole, and the air hole is connected to the gas-permeable channels, the air hole position
In the one end of the guide cylinder far from the guide piston.
By structure design so, can be connected between the guide piston and the buffer housing extraneous big
Gas avoids the guide piston from generating back pressure when retracting, to reduce energy loss, improves damping efficiency and effect.
In the automobile absorber assembly of the present invention, as a kind of perferred technical scheme, the buffer housing
Interior to be equipped with oil storage tank, the oil storage tank is located at the outside of the guide cylinder, the one of the separate resetting spring on the guide cylinder
End is equipped with fuel feed hole, and the fuel feed hole is connected to the oil storage tank and the piston guide chamber.
In the automobile absorber assembly of the present invention, as a kind of perferred technical scheme, the buffer housing
Interior to be equipped with air supply channel, the air supply channel is connected to the oil storage tank and the gas energy storage chamber, is equipped in the air supply channel
Limit the gas supply check valve that gas is flowed to the oil storage tank by the gas energy storage chamber.
By structure design so, the energy of the gas energy storage intracavitary can be utilized, by the profit in the oil storage tank
Lubricating oil is pumped into the piston guide chamber by the fuel feed hole, lubricates the guide piston and the centre pilot axis, to
Lubricating efficiency is improved, additional energy expenditure is not necessarily to.
In the automobile absorber assembly of the present invention, as a kind of perferred technical scheme, the piston guide chamber
Rear and front end be respectively equipped with front seal and rear seal, the front seal and the rear seal be set in it is described in
On heart guiding axis, in the buffer housing close to the front seal one end be equipped with the first drainback passage, described first time
Oily channel is connected to the piston guide chamber.
The present invention the automobile absorber assembly in, as a kind of perferred technical scheme, the front seal and
The rear seal is preferably oil sealing.
The present invention the automobile absorber assembly in, as a kind of perferred technical scheme, the front seal and
The rear seal is rubber material or macromolecular elastomer material.
Wherein, the common used material that the rubber material and macromolecular material right and wrong are usually advised, may be, for example, various conjunctions
At rubber material and macromolecular elastomer material (such as styrene analog thermoplastic elastomer material etc.), no longer carry out herein detailed
Description.
By structure design so, the front seal and the rear seal delay the centre pilot axis with described
It rushes device shell to be spaced, and the front seal and the rear seal are due to for rubber material or macromolecular elastomer material
Material, the vibration of the centre pilot axis can be buffered, avoid the buffer housing by the impact of the centre pilot axis and
Vibration aggravation.
In the automobile absorber assembly of the present invention, as a kind of perferred technical scheme, the end of the external part
Portion is fixed with a dustproof cover, is equipped with oil sealing in the external part, the oil sealing leans with dustproof cover, and the centre pilot axis passes through
Wear the oil sealing and the dustproof cover.
By structure design so, the centre pilot axis is spaced by the oil sealing with the external part, Ke Yihuan
The vibration for rushing the centre pilot axis avoids the buffer housing from being vibrated aggravation by the impact of the centre pilot axis,
To further improve buffering effect.
In the automobile absorber assembly of the present invention, as a kind of perferred technical scheme, set in the external part
There is a spacer, the spacer is set in the outside of the centre pilot axis, and the end of the spacer abuts against on the oil sealing,
Lubricant reservoir is equipped between the spacer and external part, the lubricant reservoir is connected to the oil storage tank by the second oil inlet passage,
The lubricant reservoir is equipped with the second drainback passage, described first time of the second drainback passage connection close to one end of the oil sealing
Oily channel, the spacer are equipped with several through-holes.
By structure design so, the lubricating oil in the lubricant reservoir can be made to enter in the spacer, lubrication
The centre pilot axis avoids the card resistance phenomenon when centre pilot axis operation to further improve lubricant effect.
In the automobile absorber assembly of the present invention, as a kind of perferred technical scheme, set in the external part
There are a guide pad, the guide pad to be fixed on the inner wall of the spacer, is provided on the guide pad and the centre pilot
The compatible pilot hole of axis.
Pass through structure design so, on the one hand, the guide pad plays supporting role, improves the strong of the spacer
Degree；On the other hand, the guide pad plays guiding role, it is well known that the centre pilot axis extension elongation is longer, disturbs
Degree deformation is bigger, can lead to centre pilot axis off-axis in telescopic process, to cause the damage to sealing element,
The service life of sealing element is reduced, and the guide pad reduces institute then at a fulcrum of the centre pilot axis
The deflection deformation of centre pilot axis is stated, and then extends the service life of damper of the present invention.
In the automobile absorber assembly of the present invention, as a kind of perferred technical scheme, the dust cover is rubber
Glue material or macromolecular elastomer material.
Wherein, the common used material that the rubber material and macromolecular material right and wrong are usually advised, may be, for example, various conjunctions
At rubber material and macromolecular elastomer material (such as styrene analog thermoplastic elastomer material etc.), no longer carry out herein detailed
Description.
In the automobile absorber assembly of the present invention, in the automobile absorber assembly of the present invention, as one
The preferred technical solution of kind, the dust cover is interior to be equipped with compression sky between first fixing end and second fixing end
Chamber, the centre pilot axis run through the compaction cavum, and the cavity wall of the compaction cavum is accordion.
By structure design so, elastic telescopic may be implemented in the cavity wall of the compaction cavum, to play damping
Effect.
Certainly, it can also be not provided with the compressed spring between the vehicle transit disk and the buffer housing, this
Shi Wufei damping effects are in a slight decrease and the oil pressure of lubricating oil is all increases.It is further that the compressed spring, which is arranged,
It improves and improves.
As described above, the present invention provides a kind of automobile absorber assembly, the automobile absorber assembly passes through unique
Structure design and mutual cooperation, to achieve many advantageous effects, such as：
1, due to being provided with resetting spring associated with centre pilot axis and gas energy storage chamber, when vehicle transit disk by
When impact, centre pilot axis retraction, compression reseting spring eliminates partial vibration, and with the retraction of centre pilot axis, compression
Air in piston compression piston compression chamber so that these compressed airs enter gas energy storage chamber by the second breather check valve,
Energy is stored, and the process also improves damping effect simultaneously；Again due to being provided with guide cylinder so that buffer housing is processed
When technique become it is simpler be easy, it is only necessary to the inner wall of guide cylinder is finished, in use, guide cylinder
It can be individually replaced guide cylinder after abrasion, without replacing entire buffer housing, greatly reduce maintenance cost, have
Good use value.
2, since buffer housing is equipped with gas-permeable channels, can be connected between guide piston and buffer housing outer
Boundary's air, generates back pressure when guide piston being avoided to retract, reduce energy loss, improves gas energy storage efficiency.
3, since the rear and front end of piston guide chamber is respectively equipped with front seal and rear seal, by centre pilot axis and delay
It rushes device shell to separate by front seal and rear seal, and front seal and rear seal all use rubber material, it can be with
The vibration for buffering centre pilot axis, avoids buffer housing from receiving the impact of centre pilot axis and vibrate aggravation.
4, due to being equipped with a guide pad in external part, guide pad is fixed on the inner wall of spacer, be provided on guide pad with
The compatible pilot hole of centre pilot axis, on the one hand, guide pad plays supporting role, improves the intensity of spacer, another party
Face, guide pad play guiding role.
5, due to being equipped with compressed spring between vehicle transit disk and buffer housing, secondary buffer plays damping work
With the oil pressure of lubricating oil when to reduce buffer damping reduces the pressure oscillation of oil lubrication system.
6, the power of lubricating oil system is provided by gas energy storage chamber, can also for draining into other oil sites, by impact force,
Save lubricating power, it is not necessary to frequently enable grease pump and lubrication can be realized, have very important significance.
As described above, the present invention provides a kind of automobile absorber assembly, the automobile absorber assembly passes through unique
Structure design and mutual cooperation, to achieve many advantageous effects, before auto industry field has good application
Scape and industrial production potential, it may have good promotional value.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of automobile absorber assembly of the present invention；
Fig. 2 is the partial enlargement structural representation of A in Fig. 1；
Fig. 3 is the partial enlargement structural representation of B in Fig. 1；
Wherein, in figs. 1 to 3, each number designation is respectively referred to for following concrete meaning, element and/or component.
In figure：1, vehicle transit disk, 2, top rubber cushion, the 3, first spring base, 4, buffer housing, 401, piston guide chamber,
402, piston compression chamber, the 403, first inlet channel, 404, oil storage tank, 405, outlet passageway, the 406, second inlet channel, 407,
Air supply channel, 408, gas-permeable channels, 409, gas energy storage chamber, the 410, first drainback passage, the 411, second drainback passage, 5, center
Guiding axis, 501, guide piston, 502, compression piston, 6, guide cylinder, 601, air hole, 602, fuel feed hole, 7, resetting spring, 8,
Dust cover, the 801, first fixing end, the 802, second fixing end, 803, compaction cavum, 9, external part, 901, dustproof cover, 902, oil
Envelope, 903, guide pad, 904, lubricant reservoir, 10, second spring seat, 11, compressed spring, the 12, first breather check valve, 13, the
Two breather check valves, 14, gas supply check valve, 15, front seal, 16, rear seal, 17, spacer.
It should be noted that these attached drawings are only the description to preferred embodiment of the present invention, it is not meant to other non-optimum
Mode, such as usual manner is selected to can not achieve the present invention.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.But the purposes and mesh of these exemplary embodiments
Be only used for enumerating the present invention, any type of any restriction not 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.
As shown in Figure 1, Figure 2 and Fig. 3 is jointly shown, and the present invention provides a kind of automobile absorber assembly, the automobile absorbers
Assembly includes the buffer housing 4 for connecting suspension, and buffer housing 4 has piston guide chamber 401, slided in piston guide chamber 401
Dynamic to be equipped with centre pilot axis 5, centre pilot axis 5 is connected with vehicle transit disk 1, and guide cylinder is equipped in piston guide chamber 401
6, the piston of centre pilot axis 5 is equipped with guide piston 501, and guide piston 501 is slidably mounted in guide cylinder 6, in guide cylinder 6
Equipped with resetting spring 7,7 one end of resetting spring abuts against on guide piston 501, and the other end abuts against in buffer housing 4, buffering
The piston compression chamber 402 of connection piston guide chamber 401 is equipped in device shell 4, centre pilot axis 5 stretches into buffer housing 4
One end is equipped with compression piston 502, and compression piston 502 is slidably mounted in piston compression chamber 402, the company of being equipped in buffer housing 4
First inlet channel 403 of logical ambient atmosphere and piston compression chamber 402, the first inlet channel 403 are interior unidirectional equipped with the first air inlet
Valve 12, a gas energy storage chamber 409 is set in buffer housing 4, and gas energy storage chamber 409 passes through the second inlet channel 406 and is connected to piston
Compression chamber 402, the second inlet channel 406 is interior equipped with the second breather check valve 13, and the connection of gas energy storage chamber 409 is set to buffer
Outlet passageway 405 in shell 4；
There are one the external parts 9 extended to vehicle transit disk 1 for the tool of the buffer housing 4, and centre pilot axis 5 is through stretching
End 9；
Dust cover 8 is equipped between the vehicle transit disk 1 and the external part 9 of buffer housing 4, centre pilot axis 5 stretches out
Dust cover 8 is run through in the part of buffer housing 4, and the both ends of dust cover 8 are tightly connected with vehicle transit disk 1 and external part 9 respectively；
The dust cover 8 has the first fixing end 801 and the second of connection buffer housing 4 of connection vehicle transit disk 1
Fixing end 802；
The vehicle transit disk 1 is equipped with top rubber cushion 2, and the end of the first fixing end 801 is sealedly attached to by fluid sealant
It pushes up on rubber cushion 2, and centre pilot axis 5 is in contact with the first fixing end 801, the first fixing end 801 is solid construction, only at center
5 position of guiding axis opens up through hole compatible with centre pilot axis 5, and the end of the second fixing end 802 is sealed by fluid sealant
It is installed on external part 9；
Compressed spring 11, the set-up mode of compressed spring 11 are equipped between the vehicle transit disk 1 and buffer housing 4
For：The first spring base 3 is installed on vehicle transit disk 1, the first spring base 3 is installed on the rubber cushion 2 of top, buffer housing 4
On be installed with second spring seat 10, second spring seat 10 is set in external part 9, and compressed spring 11 is clamped in the first spring base
Between 3 and second spring seat 10.
By structure design so, 1, when vehicle transit disk 1 is impacted, centre pilot axis 5 bounces back, and compression resets
Spring 7, to eliminate partial vibration；And with the retraction of centre pilot axis 5,502 compression piston compression chamber of compression piston
Cavity in 402 so that these compressed airs enter gas energy storage chamber 409 by the second breather check valve 13, also further carry
High damping effect.And the power of lubricating oil system is provided by gas energy storage chamber 409, can also be saved for draining into other oil sites
Lubricating power is saved, the damper can either eliminate vibration by impact force, and can store energy needed for lubrication, no
Grease pump must frequently be enabled, lubrication can be realized, had very important significance；2,11 secondary buffer of compressed spring plays
Cushioning effect, the oil pressure of lubricating oil when to reduce buffer damping reduce the pressure oscillation of oil lubrication system；
And by above-mentioned unique set-up mode, it may make the stretching, extension of compressed spring 11 and recovery more buffer, is gentle, further subtract
Weak vibration, improves vehicle riding comfort；3, dust cover 8 can stop that the sundries such as dust are attached on centre pilot axis 5,
The sealing element of oil sealing, rubber ring etc. is advantageously protected, the service life of damper of the present invention is further extended；4, first
Fixing end 801 only opens up through hole compatible with centre pilot axis 5 in 5 position of centre pilot axis, close so as to form sliding
Seal structure plays the role of good fixed function and elastic buffer；The end of second fixing end 802 is sealed by fluid sealant pacifies
Loaded on external part 9, good sealing effect is also played；5,8 one side of dust cover plays dust-proof, anti-aging effect, separately
On the one hand elastic shock attenuation effect, third aspect are also acted, once the oil sealing damage of external part 9, dust cover 8 can also play
The effect of sealing lubricating oil.
The outlet passageway 405 can connect other lubricating pipes, when not in use, blocking can also be used to be blocked.
The buffer housing 4 is equipped with gas-permeable channels 408, and guide cylinder 6 is equipped with air hole 601, and air hole 601 is connected to
Gas-permeable channels 408, air hole 601 are located at the one end of guide cylinder 6 far from guide piston 501.
By structure design so, can be connected to ambient atmosphere between guide piston 501 and buffer housing 4,
It avoids guide piston 501 from generating back pressure when retracting, to reduce energy loss, improves damping efficiency and effect.
It is equipped with oil storage tank 404 in the buffer housing 4, oil storage tank 404 is located at the outside of guide cylinder 6, on guide cylinder 6 far
One end from resetting spring 7 is equipped with fuel feed hole 602, and fuel feed hole 602 is connected to oil storage tank 404 and piston guide chamber 401.
Air supply channel 407 is equipped in the buffer housing 4, air supply channel 407 is connected to oil storage tank 404 and gas energy storage chamber
409, interior be equipped with of air supply channel 407 limits the gas supply check valve 14 that gas is flowed to oil storage tank 404 by gas energy storage chamber 409.
By structure design so, the energy in gas energy storage chamber 409 can be utilized, by the lubrication in oil storage tank 404
Oil is pumped into piston guide chamber 401 by fuel feed hole 602, lubricates guide piston 501 and centre pilot axis 5, to improve profit
Sliding efficiency, is not necessarily to additional energy expenditure.
The rear and front end of the piston guide chamber 401 is respectively equipped with front seal 15 and rear seal 16, front seal 15
It is preferably oil sealing herein with rear seal 16, front seal 15 and rear seal 16 are set on centre pilot axis 5, buffer
It is equipped with the first drainback passage 410 close to one end of front seal 15 on shell 4, the first drainback passage 410 is connected to piston guide chamber
401。
By structure design so, by front seal 15 and rear seal 16 by centre pilot axis 5 and buffer case
Body 4 is spaced, and front seal 15 and rear seal 16 are rubber material or macromolecular elastomer material, can buffer center
The vibration of guiding axis 5 avoids buffer housing 4 from receiving the impact of centre pilot axis 5 and vibrate aggravation.
The end of the external part 9 is fixed with a dustproof cover 901, is equipped with oil sealing 902 in external part 9, oil sealing 902 with it is dust-proof
Lid 901 leans, and centre pilot axis 5 runs through oil sealing 902 and dustproof cover 901.
By structure design so, centre pilot axis 5 and external part 9 are spaced using oil sealing 902, in can buffering
The vibration of heart guiding axis 5 avoids buffer housing 4 from being vibrated aggravation by the impact of centre pilot axis 5, to further increase
Buffering effect.
A spacer 17 is equipped in the external part 9, spacer 17 is set in the outside of centre pilot axis 5, and the end of spacer 17
Portion abuts against on oil sealing 902, and lubricant reservoir 904 is equipped between spacer 17 and external part 9, and lubricant reservoir 904 passes through the second oil inlet
Channel is connected to oil storage tank 404, and lubricant reservoir 904 is equipped with the second drainback passage 411 close to one end of oil sealing 902, and the second oil return is logical
Road 411 is connected to the first drainback passage 410, and spacer 17 is equipped with several through-holes.
By structure design so, the lubricating oil in lubricant reservoir 904 can be made to enter in spacer 17, lubricate center
Guiding axis 5 avoids card resistance phenomenon when centre pilot axis 5 is run to further improve lubricant effect.
A guide pad 903 is equipped in the external part 9, guide pad 903 is fixed on the inner wall of spacer 17, guide pad 903
On be provided with pilot hole compatible with centre pilot axis 5.
Pass through structure design so, on the one hand, guide pad 903 plays supporting role, improves the intensity of spacer 17；
On the other hand, guide pad 903 plays guiding role, it is well known that 5 extension elongation of centre pilot axis is longer, degree of disturbing deformation
It is bigger, the off-axis in telescopic process of centre pilot axis 5 can be caused, to cause the damage to sealing element, reduced close
The service life of element is sealed, and guide pad 903 reduces scratching for centre pilot axis 5 then at a fulcrum of centre pilot axis 5
Degree deformation, and then extend the service life of damper of the present invention.
The dust cover 8 is rubber material or macromolecular elastomer material.Wherein, the rubber material and high polymer elastic
The common used material that material right and wrong are usually advised may be, for example, various tartans and macromolecular elastomer material (such as benzene second
Ethylenic thermoplastic elastomeric material etc.), it is no longer described in detail herein.
Compaction cavum 803, center are equipped in the dust cover between the first fixing end 801 and the second fixing end 802
Guiding axis 5 runs through the compaction cavum 803, and the cavity wall of compaction cavum 803 is accordion, elastic telescopic may be implemented, to play
Cushioning effect.
As described above, the present invention provides a kind of automobile absorber assembly, the automobile absorber assembly passes through unique
Structure design and mutual cooperation, to achieve many advantageous effects, before auto industry field has good application
Scape and industrial production potential, it may have good promotional value.
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limitation protection model of the invention
It encloses.In addition, it should also be understood that, after reading the technical contents of the present invention, those skilled in the art can make the present invention each
Kind change, modification and/or variation, all these equivalent forms equally fall within and are protected defined by the application the appended claims
Within the scope of shield.
Claims (9)
1. a kind of automobile absorber assembly, it is characterised in that：The automobile absorber assembly includes the buffer case for connecting suspension
There is piston guide chamber, the piston guide intracavitary to be slidably fitted with centre pilot axis, the center for body, the buffer housing
Guiding axis is connected with vehicle transit disk, and the piston guide intracavitary is equipped with guide cylinder, is set on the piston of the centre pilot axis
There are guide piston, the guide piston to be slidably mounted in the guide cylinder, resetting spring is equipped in the guide cylinder, it is described multiple
Position spring one end abuts against on the guide piston, and the other end abuts against in the buffer housing, in the buffer case body
Equipped with the piston compression chamber for being connected to the piston guide chamber, one end that the centre pilot axis stretches into the buffer case body is set
There are compression piston, the compression piston to be slidably mounted in the piston compression chamber, it is outer that connection is equipped in the buffer case body
First inlet channel of boundary's air and the piston compression chamber, first inlet channel is interior to be equipped with the first breather check valve, institute
It states and sets a gas energy storage chamber in buffer case body, the gas energy storage chamber is connected to the piston by the second inlet channel and compresses
Chamber, second inlet channel is interior to be equipped with the second breather check valve, and the gas energy storage chamber connection is set to the buffer case
Internal outlet passageway；
There are one the external parts extended to the vehicle transit disk for the buffer housing tool, and the centre pilot axis is through described
External part；
Dust cover is equipped between the vehicle transit disk and the external part of the buffer housing, the centre pilot axis stretches out institute
The dust cover is run through in the part for stating buffer housing, the both ends of the dust cover respectively with the vehicle transit disk and described stretch
Outlet is tightly connected；
The dust cover has the second of the first fixing end for connecting the vehicle transit disk and the connection buffer housing to consolidate
Fixed end；
The vehicle transit disk is equipped with top rubber cushion, and the end of first fixing end is sealedly attached to the top by fluid sealant
On rubber cushion, and the centre pilot axis is in contact with first fixing end, and first fixing end is solid construction, only in institute
It states centre pilot shaft position and opens up through hole compatible with the centre pilot axis, the end of second fixing end passes through close
Sealing is seal-installed on the external part；
Compressed spring is equipped between the vehicle transit disk and the buffer housing, the set-up mode of the compressed spring is：
The first spring base is installed on the vehicle transit disk, first spring base is installed on the top rubber cushion, described slow
It rushes on device shell and is installed with second spring seat, the second spring cover for seat is loaded on the external part, the compressed spring folder
It is pressed between first spring base and the second spring seat.
2. automobile absorber assembly as described in claim 1, it is characterised in that：The buffer housing is equipped with ventilative logical
Road, the guide cylinder are equipped with air hole, and the air hole is connected to the gas-permeable channels, and the air hole is located at the guide cylinder
One end far from the guide piston.
3. automobile absorber assembly as claimed in claim 1 or 2, it is characterised in that：Oil storage is equipped in the buffer case body
Slot, the oil storage tank are located at the outside of the guide cylinder, and one end far from the resetting spring is equipped with oil inlet on the guide cylinder
Hole, the fuel feed hole are connected to the oil storage tank and the piston guide chamber.
4. automobile absorber assembly as claimed in claim 3, it is characterised in that：It is logical that gas supply is equipped in the buffer case body
Road, the air supply channel are connected to the oil storage tank and the gas energy storage chamber, are equipped in the air supply channel and limit gas by institute
State the gas supply check valve that gas energy storage chamber flows to the oil storage tank.
5. automobile absorber assembly as claimed in claim 4, it is characterised in that：Distinguish the rear and front end of the piston guide chamber
Equipped with front seal and rear seal, the front seal and the rear seal are set on the centre pilot axis, institute
It states one end in buffer housing close to the front seal and is equipped with the first drainback passage, described in first drainback passage connection
Piston guide chamber.
6. automobile absorber assembly as claimed in claim 5, it is characterised in that：It is dust-proof that the end of the external part is fixed with one
Lid, the external part is interior to be equipped with oil sealing, and the oil sealing leans with dustproof cover, and the centre pilot axis runs through the oil sealing and institute
State dustproof cover.
7. automobile absorber assembly as claimed in claim 6, it is characterised in that：A spacer is equipped in the external part, it is described
Spacer is set in the outside of the centre pilot axis, and the end of the spacer abuts against on the oil sealing, the spacer with stretch
Lubricant reservoir is equipped between outlet, the lubricant reservoir is connected to the oil storage tank, the lubricant reservoir by the second oil inlet passage
It is equipped with the second drainback passage close to one end of the oil sealing, second drainback passage is connected to first drainback passage, described
Spacer is equipped with several through-holes.
8. automobile absorber assembly as claimed in claim 7, it is characterised in that：A guide pad, institute are equipped in the external part
It states guide pad to be fixed on the inner wall of the spacer, guiding compatible with the centre pilot axis is provided on the guide pad
Hole.
9. automobile absorber assembly as described in claim 1, it is characterised in that：It is located at described first in the dust cover to fix
Compaction cavum is equipped between end and second fixing end, the centre pilot axis runs through the compaction cavum, and the compression is empty
The cavity wall of chamber is accordion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074189.3A CN109058353B (en) | 2016-12-27 | 2016-12-27 | Automobile shock absorber assembly |
| CN201611222990.9A CN106594146B (en) | 2016-12-27 | 2016-12-27 | A kind of automobile absorber assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222990.9A CN106594146B (en) | 2016-12-27 | 2016-12-27 | A kind of automobile absorber assembly |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811074189.3A Division CN109058353B (en) | 2016-12-27 | 2016-12-27 | Automobile shock absorber assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594146A CN106594146A (en) | 2017-04-26 |
| CN106594146B true CN106594146B (en) | 2018-11-02 |
Family
ID=58603876
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811074189.3A Active CN109058353B (en) | 2016-12-27 | 2016-12-27 | Automobile shock absorber assembly |
| CN201611222990.9A Expired - Fee Related CN106594146B (en) | 2016-12-27 | 2016-12-27 | A kind of automobile absorber assembly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811074189.3A Active CN109058353B (en) | 2016-12-27 | 2016-12-27 | Automobile shock absorber assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109058353B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058353A (en) * | 2016-12-27 | 2018-12-21 | 长泰县爱菲社机械科技有限公司 | A kind of automobile absorber assembly |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167366B (en) * | 2017-12-27 | 2019-10-08 | 广东省智能制造研究所 | Constant force buffer unit |
| CN109737174A (en) * | 2018-12-29 | 2019-05-10 | 深圳市中车业成实业有限公司 | A kind of anti-snake oil-pressure damper exhaust apparatus of high speed motor car |
| CN113685475B (en) * | 2021-08-25 | 2022-05-10 | 无锡琼琚机械科技有限公司 | Air spring shock absorber for suspending truck cab |
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| CN106594145B (en) * | 2016-12-27 | 2018-12-07 | 浙江天力机车部件有限公司 | A kind of automobile absorber |
| CN109058353B (en) * | 2016-12-27 | 2020-09-08 | 浙江戈尔德智能悬架股份有限公司 | Automobile shock absorber assembly |
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- 2016-12-27 CN CN201811074189.3A patent/CN109058353B/en active Active
- 2016-12-27 CN CN201611222990.9A patent/CN106594146B/en not_active Expired - Fee Related
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| GB1084575A (en) * | 1964-10-20 | 1967-09-27 | Armstrong Patents Co Ltd | Improvements in and relating to telescopic hydraulic shock absorbers |
| US4263488A (en) * | 1977-01-27 | 1981-04-21 | Stabilus Gmbh | Pneumatic spring including an electric switch |
| CN2182904Y (en) * | 1994-01-17 | 1994-11-16 | 颜家生 | Gas-liquid type shock-absorber |
| CN2775391Y (en) * | 2005-03-01 | 2006-04-26 | 付德海 | Double piston double oil seal multiple gear automatic control inflating type automobile shock reducer |
| CN201908989U (en) * | 2010-11-26 | 2011-07-27 | 贵州航天成功汽车制造有限公司 | Automotive front shock absorber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058353A (en) * | 2016-12-27 | 2018-12-21 | 长泰县爱菲社机械科技有限公司 | A kind of automobile absorber assembly |
| CN109058353B (en) * | 2016-12-27 | 2020-09-08 | 浙江戈尔德智能悬架股份有限公司 | Automobile shock absorber assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109058353A (en) | 2018-12-21 |
| CN109058353B (en) | 2020-09-08 |
| CN106594146A (en) | 2017-04-26 |
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Effective date of registration: 20180914 Address after: 221200 1, building 1-102, Dongsheng garden, Dongsheng Street, Sui Town, Suining, Jiangsu Applicant after: Xuzhou 100 mi Trading Co. Ltd. Address before: 041000 2-401, 26 building, West Lake East District, 9 Yaodu East Street, Yaodu, Linfen. Applicant before: Hu Manhang |
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