CN109058353A - A kind of automobile absorber assembly - Google Patents

A kind of automobile absorber assembly Download PDF

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Publication number
CN109058353A
CN109058353A CN201811074189.3A CN201811074189A CN109058353A CN 109058353 A CN109058353 A CN 109058353A CN 201811074189 A CN201811074189 A CN 201811074189A CN 109058353 A CN109058353 A CN 109058353A
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CN
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.)
Granted
Application number
CN201811074189.3A
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Chinese (zh)
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CN109058353B (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Gold intelligent suspension Co., Ltd
Original Assignee
Changtai County Agency Faye Machinery Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Changtai County Agency Faye Machinery Technology Co Ltd filed Critical Changtai County Agency Faye Machinery Technology Co Ltd
Priority to CN201811074189.3A priority Critical patent/CN109058353B/en
Publication of CN109058353A publication Critical patent/CN109058353A/en
Application granted granted Critical
Publication of CN109058353B publication Critical patent/CN109058353B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10Springs, 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
    • F16F9/14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16Devices 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
    • F16F9/18Devices 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/0209Telescopic
    • F16F9/0281Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/36Special sealings, including sealings or guides for piston-rods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/36Special sealings, including sealings or guides for piston-rods
    • F16F9/362Combination of sealing and guide arrangements for piston rods

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  • 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 is intracavitary to be slidably fitted with centre pilot axis, centre pilot axis is connected with vehicle transit disk, piston guide is intracavitary to be equipped with guide cylinder, the piston of centre pilot axis is equipped with guide piston, reset spring is equipped in guide cylinder, the piston compression chamber of connection piston guide chamber is equipped in buffer case body, centre pilot axis protrudes into one end in buffer case body 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, gas energy storage chamber is connected to the outlet passageway being set in buffer case body, buffer housing has extension end, dust cover is equipped between vehicle transit disk and extension end, 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

A kind of automobile absorber assembly
The application is application No. is 2016112229909, and the applying date is on December 27th, 2016, and invention and created name is A kind of divisional application of the patent of " automobile absorber assembly ".
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 technique
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 working principle of damper is for inhibiting concussion when rebounding after spring shock-absorbing and the impact from road surface, being used to Contend with the twisting vibration (i.e. the impact force of crankshaft subject cylinder igniting and the phenomenon that twist) etc. of crankshaft, 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, to obtain in the automotive industry big The application of scale.On the basis of current used a variety of dampers, people still more deeply grind to damper Study carefully, provides good technological reserve for the further development of automobile absorber.Such as:
CN104343883A discloses a kind of automobile absorber, including the cylinder body with piston rod, is located at the intracorporal main work of cylinder Plug and auxiliary piston, the main piston are fixed on piston rod one end, are provided with oil leak hole on the main piston and auxiliary piston, The both ends of the cylinder body are provided with damping device, and the auxiliary piston is connected on main piston by spring, 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 Pipe is swashed equipped with vibration, and the outer circumference surface for the sharp pipe that shakes is bonded with the inner wall 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 between the step surface of two cylinder cap and the sharp end surfaces that shake, outer circumference surface is bonded with the inner wall of cylinder body, positioning 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 is equipped with link block in the outside of stabilization spring, the locating piece matched with link block is equipped on the outer wall of cylinder body, in cylinder Fine motion tension spring is equipped between the bottom of body and the bottom of stabilization shell, 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, is additionally provided with the sealing cover matched with stabilization shell, slow equipped with stabilization in stabilization shell Fliud flushing body is fixed with lateral support block in the bottom outside of cylinder body, is uniformly provided with throttle orifice in lateral support block.The damper Structure is simple, convenient to use, improves the stability in use of damper and using validity, reduces the production cost, mention High packaging efficiency, applicability is good, 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, oil storage room 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 side wall of the inner tube; Oil storage room 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, is comfortable on occupant.
CN105240440A discloses a kind of automobile absorber, including the rod set being arranged outside 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 fill 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 duct, and the corresponding damping club body sheathed spring in rod set top, damping is steady, and resiliency is preferable, can It avoids wearing, long service life.
CN105370790A discloses a kind of automobile absorber, the automobile absorber include: 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 is 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 providing a kind of in lasting good of long-term use process damping effect, damper resilience is strong, and vapour with long service life Vehicle damper.
CN104074911A discloses a kind of automobile absorber, including support plate, piston, shell, exhaust 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 exhaust 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, Guarantee 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 far from one end of first piston in First piston bar 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 It 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 protrude into the second storage oil cylinder from the fourth hole on two second storage oil cylinders respectively, two second storage oil cylinders connect by one 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 manipulate 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 industrial application are latent Power, this power place that exactly present invention is accomplished are leaned on basis.
Summary of the invention
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 damper is total the technical problems to be solved by the present invention are: providing a kind of automobile absorber assembly It designs and cooperates at by unique structure, to achieve many beneficial technical 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 providing a kind of automobile absorber assembly, the automobile Vibration damper assembly includes the buffer housing for connecting suspension, and the buffer housing has piston guide chamber, the piston guide Intracavitary to be slidably fitted with centre pilot axis, the centre pilot axis is connected with vehicle transit disk, and the piston guide is intracavitary to be set There is guide cylinder, the piston of the centre pilot axis is equipped with guide piston, and the guide piston is slidably mounted on the guide cylinder It is interior, reset spring is equipped in the guide cylinder, described reset 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 protrudes into one end in the buffer case body equipped with compression piston, and the compression piston is slidably mounted on the piston pressure It contracts intracavitary, is equipped with the first inlet channel of connection ambient atmosphere and the piston compression chamber in the buffer case body, described the It is equipped with the first breather check valve in one inlet channel, sets a gas energy storage chamber, the gas energy storage chamber 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 Gas energy storage chamber is connected to the outlet passageway being set in the buffer case body;
The buffer housing has the extension end extended to the vehicle transit disk, and the centre pilot axis runs through The extension end;
Dust cover is equipped between the vehicle transit disk and the extension end of the buffer housing, the centre pilot axis is stretched Out the part of the buffer housing run through the dust cover, the both ends of the dust cover respectively with the vehicle transit disk and institute State extension end 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 mat, and the end of first fixing end is sealedly attached to institute by sealant It states on the rubber mat 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 Sealant is crossed to be seal-installed on the extension end;
Compressed spring, the set-up mode of the compressed spring are equipped between the vehicle transit disk and the buffer housing Are as follows: the first spring base is fixedly installed on the vehicle transit disk, first spring base is installed on the top rubber mat, described Second spring seat is fixedly installed in buffer housing, the second spring cover for seat is loaded on the extension end, the compressed spring It clamps between first spring base and the second spring seat.
It is designed by structure so, 1, when the vehicle transit disk is impacted, the centre pilot axis retraction, pressure Contract the reset 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 the sundries such as dust to be 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 sealant and is installed In on the extension end, 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, third aspect, once the oil sealing of extension end damages, dust cover can be with Play the role of sealing lubricating oil.
In the automobile absorber assembly of the invention, the outlet passageway can connect other lubricating pipes;Or When not in use, blocking also can be used to be blocked.
In the automobile absorber assembly of the 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 ventilative hole location In the one end of the guide cylinder far from the guide piston.
It is designed by structure 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 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 reset 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 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.
It is designed by structure so, can use the intracavitary energy of the gas energy storage, 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, thus Lubricating efficiency is improved, without additional energy consumption.
In the automobile absorber assembly of the 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 are set in described 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.
In the automobile absorber assembly of the invention, as a kind of perferred technical scheme, the front seal and The rear seal is preferably oil sealing.
In the automobile absorber assembly of the invention, 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.
It is designed by structure 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 invention, as a kind of perferred technical scheme, the end of the extension end Portion is fixed with a dustproof cover, is equipped with oil sealing in the extension end, the oil sealing leans with dustproof cover, and the centre pilot axis passes through Wear the oil sealing and the dustproof cover.
It is designed by structure so, the centre pilot axis is spaced by the oil sealing with the extension end, 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 invention, as a kind of perferred technical scheme, set in the extension end 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 extension end, 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 close to one end of the oil sealing, and second drainback passage is connected to described first time Oily channel, the spacer are equipped with several through-holes.
It is designed by structure so, the lubricating oil in the lubricant reservoir can be made to enter in the spacer, lubrication The centre pilot axis avoids card resistance phenomenon when centre pilot axis operation to further improve lubricant effect.
In the automobile absorber assembly of the invention, as a kind of perferred technical scheme, set in the extension end There is a guide pad, the guide pad is fixed on the inner wall of the spacer, is provided on the guide pad and the centre pilot The compatible pilot hole of axis.
It is designed by structure 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, will lead to centre pilot axis off-axis in telescopic process, so that the damage to sealing element is caused, 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 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 invention, in the automobile absorber assembly of the invention, as one The preferred technical solution of kind, it is described to prevent from being equipped with compression sky in cover 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.
It is designed by structure 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 effect is 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 automobile absorber assembly passes through unique the present invention provides a kind of automobile absorber assembly Structure design and mutual cooperation, so that many advantageous effects are achieved, such as:
1, due to be provided with reset 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 atmosphere, 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 extension end, 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, thus when reducing buffer damping lubricating oil oil pressure, reduce 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 which frequently enabling grease pump can be realized lubrication, have very important significance.
As described above, the automobile absorber assembly passes through unique the present invention provides a kind of automobile absorber assembly Structure design and mutual cooperation, so that many advantageous effects are achieved, before auto industry field has good application Scape and industrial production potential, it may have good promotional value.
Detailed description of the invention
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 mat, 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, reset spring, 8, Dust cover, the 801, first fixing end, the 802, second fixing end, 803, compaction cavum, 9, extension end, 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 embodiment
It is lower that present invention will be further explained below with reference to the attached drawings and examples.But the purposes of these exemplary embodiments and Purpose is only used to enumerate the present invention, not constitutes any type of any restriction to real protection scope of the invention, more non-to incite somebody to action Protection scope of the present 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, slides 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 reset spring 7,7 one end of reset spring is abutted 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 protrudes 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 is connected to piston by the second inlet channel 406 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;
The buffer housing 4 has the extension end 9 extended to vehicle transit disk 1, and centre pilot axis 5 is through stretching End 9;
Dust cover 8 is equipped between the vehicle transit disk 1 and the extension end 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 extension end 9 respectively;
The dust cover 8 has the first fixing end 801 of connection vehicle transit disk 1 and the second of connection buffer housing 4 Fixing end 802;
The vehicle transit disk 1 is equipped with top rubber mat 2, and the end of the first fixing end 801 is sealedly attached to by sealant It pushes up on rubber mat 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 sealant It is installed on extension end 9;
Compressed spring 11, the set-up mode of compressed spring 11 are equipped between the vehicle transit disk 1 and buffer housing 4 Are as follows: the first spring base 3 is fixedly installed on vehicle transit disk 1, the first spring base 3 is installed on the rubber mat 2 of top, buffer housing 4 On be fixedly installed with second spring seat 10, second spring seat 10 is set in extension end 9, and compressed spring 11 is clamped in the first spring base Between 3 and second spring seat 10.
It is designed by structure 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 also further mentions so that these compressed airs enter gas energy storage chamber 409 by the second breather check valve 13 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 the required energy of lubrication, no Grease pump, which must frequently be enabled, can be realized lubrication, have very important significance;2,11 secondary buffer of compressed spring plays Cushioning effect, thus when reducing buffer damping lubricating oil oil pressure, 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 the sundries such as dust to be 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 sealant pacifies Loaded on extension end 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 is also acted, third aspect, once the oil sealing of extension end 9 damages, dust cover 8 can also be played The effect of sealing lubricating oil.
The outlet passageway 405 can connect other lubricating pipes, when not in use, blocking also can be used and 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.
It is designed by structure 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 reset 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.
It is designed by structure so, can use the energy in gas energy storage chamber 409, by the lubrication in oil storage tank 404 Oil is pumped into piston guide chamber 401 by fuel feed hole 602, guide piston 501 and centre pilot axis 5 is lubricated, to improve profit Sliding efficiency, without additional energy consumption.
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 herein preferably oil sealing 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。
It is designed by structure 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 extension end 9 is fixed with a dustproof cover 901, is equipped with oil sealing 902 in extension end 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.
It is designed by structure so, is spaced centre pilot axis 5 and extension end 9 using oil sealing 902, can buffered 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.
It is equipped with a spacer 17 in the extension end 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 extension end 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.
It is designed by structure 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.
It is equipped with a guide pad 903 in the extension end 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.
It is designed by structure 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, it will lead to the off-axis in telescopic process of centre pilot axis 5, to cause the damage to sealing element, reduce 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.
It is described to prevent from being equipped with compaction cavum 803, center in 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 automobile absorber assembly passes through unique the present invention provides a kind of automobile absorber assembly Structure design and mutual cooperation, so that many advantageous effects are achieved, 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 limit 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 guarantor defined by the application the appended claims Within the scope of shield.

Claims (10)

1. a kind of automobile absorber assembly, it is characterised in that: the automobile absorber assembly includes the buffer case for connecting suspension Body, the buffer housing have piston guide chamber, and the piston guide is intracavitary to be slidably fitted with centre pilot axis, the center Guiding axis is connected with vehicle transit disk, and the piston guide is intracavitary to be equipped with guide cylinder, sets on the piston of the centre pilot axis There is guide piston, the guide piston is slidably mounted in the guide cylinder, and reset spring is equipped in the guide cylinder, 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 protrudes into the buffer case body is set There is compression piston, the compression piston is slidably mounted in the piston compression chamber, and it is outer that connection is equipped in the buffer case body First inlet channel of boundary's atmosphere 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 compression by the second inlet channel 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 Intracorporal outlet passageway;
The buffer housing is equipped with gas-permeable channels, and the guide cylinder is equipped with air hole, and the air hole connection is described Gas channel, the air hole are located at the one end of the guide cylinder far from the guide piston.
2. automobile absorber assembly as described in claim 1, it is characterised in that: the buffer housing have one to described The extension end that vehicle transit disk extends, the centre pilot axis run through the extension end;
Dust cover is equipped between the vehicle transit disk and the extension end of the buffer housing, the centre pilot axis stretches out institute The part of buffer housing is stated through the dust cover, 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.
3. automobile absorber assembly as claimed in claim 2, it is characterised in that: the vehicle transit disk is equipped with top rubber mat, The end of first fixing end is sealedly attached on the top rubber mat by sealant, and the centre pilot axis and described the One fixing end is in contact, and first fixing end is solid construction, only opens up and the center in the centre pilot shaft position The end of the compatible through hole of guiding axis, second fixing end is seal-installed on the extension end by sealant;
Compressed spring, the set-up mode of the compressed spring are equipped between the vehicle transit disk and the buffer housing are as follows: The first spring base is fixedly installed on the vehicle transit disk, first spring base is installed on the top rubber mat, described slow It rushes on device shell and is fixedly installed with second spring seat, the second spring cover for seat is loaded on the extension end, the compressed spring folder It is pressed between first spring base and the second spring seat.
4. automobile absorber assembly as claimed in claim 3, it is characterised in that: oil storage tank is equipped in the buffer case body, The oil storage tank is located at the outside of the guide cylinder, and one end far from the reset spring is equipped with fuel feed hole on the guide cylinder, The fuel feed hole is connected to the oil storage tank and the piston guide chamber.
5. automobile absorber assembly as claimed in claim 4, it is characterised in that: it is logical to be equipped with gas supply 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.
6. automobile absorber assembly as claimed in claim 5, 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 and is equipped with the first drainback passage close to one end of the front seal in buffer housing, described in first drainback passage connection Piston guide chamber.
7. automobile absorber assembly as claimed in claim 6, it is characterised in that: it is dust-proof that the end of the extension end is fixed with one It covers, oil sealing is equipped in the extension end, the oil sealing leans with dustproof cover, and the centre pilot axis runs through the oil sealing and institute State dustproof cover.
8. automobile absorber assembly as claimed in claim 7, it is characterised in that: a spacer is equipped in the extension end, 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.
9. automobile absorber assembly as claimed in claim 8, it is characterised in that: be equipped with a guide pad, institute in the extension end 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.
10. automobile absorber assembly as claimed in claim 2, it is characterised in that: described to prevent from consolidating in cover positioned at described first Compaction cavum is equipped between fixed end and second fixing end, the centre pilot axis runs through the compaction cavum, the compression The cavity wall of cavity is accordion.
CN201811074189.3A 2016-12-27 2016-12-27 Automobile shock absorber assembly Active CN109058353B (en)

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CN106594146B (en) * 2016-12-27 2018-11-02 徐州百芈商贸有限公司 A kind of automobile absorber assembly
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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