CN109139771A - A kind of stepless adjustable shock absorber of damping - Google Patents
A kind of stepless adjustable shock absorber of damping Download PDFInfo
- Publication number
- CN109139771A CN109139771A CN201810768063.XA CN201810768063A CN109139771A CN 109139771 A CN109139771 A CN 109139771A CN 201810768063 A CN201810768063 A CN 201810768063A CN 109139771 A CN109139771 A CN 109139771A
- Authority
- CN
- China
- Prior art keywords
- rod
- piston
- control
- valve
- shock absorber
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 title claims abstract description 51
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 36
- 230000035939 shock Effects 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 30
- 238000007906 compression Methods 0.000 description 30
- 239000007788 liquid Substances 0.000 description 24
- 239000000725 suspension Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
-
- 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
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- 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
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
Abstract
A kind of stepless adjustable shock absorber of damping is disclosed in the present invention, including oil storage cylinder barrel, work cylinder barrel, shock absorber cover, the bottom valve assembly that work cylinder barrel one end is arranged in and the piston and piston rod that are arranged in work cylinder barrel；The piston rod is hollow structure, is provided with control-rod in piston rod, and control-rod can be freely rotated in piston rod, limited position mechanism is arranged between control-rod and piston rod, the position-limit mechanism is for limiting up and down motion of the control-rod in piston rod；The piston includes piston only and piston valve assembly, and piston valve assembly includes flow- through valve plate, restores valve block and piston valve base；Described control-rod one end, which reaches, to be equipped with outside one end of piston on piston rod, and the end end of control-rod is provided with regulating mechanism, and control-rod is adjusted when rotating by position of the adjustment structure to adjusting block.The damper is controlled by the rotation to control-rod, is realized and is carried out linear regulation to the opening and closing forces for restoring valve block, has reached the step-less adjustment to absorber damping force.
Description
Technical field
The present invention relates to vehicle vibration damping technical field, in particular to a kind of stepless adjustable shock absorber of damping.
Background technique
Hyundai Motor just develops towards safety, comfortable, energy-saving and environmental protection, intelligentized direction, comfort of the people to automobile
Pursuit with overall quality is increasingly promoted.The design of automobile suspension system must satisfy wanting for ride performance and control stability
It asks, however vehicle is in the process of moving, the requirement of ride comfort and control stability to suspension parameter is different, from ride comfort angle
Degree needs suspension to have softer characteristic to consider, and considers from operation stabilization angle, needs harder suspension.Suspension it is soft
It is mainly influenced by damper with hard characteristic.Be provided in the damper of common vehicle suspension rebound valve, compression valve,
Recuperation valve and flow- through valve plate.The size of resistance of shock absorber depends on the size of each valve member valve block group elasticity, once by each valve block group
After adjustment installs, the damping characteristic and integral vibration damping performance of each valve member of the damper just determine therewith, therefore suspension system
The ability for adapting to road surface condition variation also has determined that.When road surface condition variation exceeds suspension system adaptation range, damping force
Meeting is bigger than normal or less than normal and optimal effectiveness in vibration suppression is not achieved, and can not change and adjust automatically according to operating condition, thus cannot be simultaneously
Take into account the comfort and control stability of vehicle.
There are many kinds of existing ride control shock absorber forms, such as external electromagnetic valve type damper, magneto-rheological vibration damper, electricity
Rheology damper and adaptive damping cellular type damper etc., change damper in damping characteristic method can mainly be summarized as it is several
Point, first is that increasing additional fluid medium channel, second is that realizing by the physical characteristic for changing fluid media (medium), third is that by changing
The area of variable orifice is realized.However, the above damper internal structure is complicated, manufacture difficulty is big, higher cost.So domestic
There are no variable (or adjustable) damping shock absorbers being widely used on real vehicle, and it is relatively high, suitable therefore to develop cost performance
The variable-damping shock of semi-active suspension for general-utility car, progress and real vehicle to China's semi-active suspension technology is promoted
Application aspect has a very important significance.
Such as a kind of existing three-stage damping adjustable shock absorber, piston rod uses hollow pipe, and one is installed in hollow pipe
Control-rod is machined with radial damping hole in piston crown, when control-rod rotation, thus it is possible to vary the size of radial damping hole.It can
Control-rod is manually adjusted by driver to select damping stage, can also be automatically adjusted by miniature DC motor according to sensor signal
Control-rod selects damping stage.This damper realizes the stepless-adjustment of resistance of shock absorber by changing the size of radial damping hole
Section, but its shortcoming is that: 1) motor for controlling control-rod rotation is set in piston rod, so that the mechanical strength of piston rod is substantially
It reduces, and makes manufacture and assembly very difficult, yields is relatively low；2) limit of the volume of stepper motor by piston-rod volume
System.By the investigation discovery to existing stepper motor, the motor of identical output torque, volume is smaller, and price is more expensive, electricity
The service life of machine is shorter.Therefore due to above-mentioned problem, the manufacturing cost of damper is not only greatly increased, simultaneously
The service life of damper is shorter.
A kind of restriction formula ride control shock absorber is disclosed in Chinese invention patent CN203656028U, mainly by stepping
Motor, piston rod, rotation valve rod, piston and each cylinder body etc. are constituted, and are mainly characterized in that in traditional dual-tube shock absorber oil liquid stream
On the basis of logical, the adjustable orifice of connection working cylinder upper and lower cavity joined on the piston rod, realize that damping is adjustable.Specific works
When, the aperture of damping hole is controlled by rotation valve rod, to convert the circulation area of throttle orifice in damper, and then controls vibration damping
Device damping force is required size.Motor is arranged to outside piston rod in this damper, solves a skill to a certain extent
The problem of art, but it equally exists following deficiency: due to the throttle orifice of the damper use it is entirely circular
Through-hole, when adjusting its oil liquid flow, the rule of conversion of oil liquid changes in flow rate is not easy to control, and can generate and hold suddenly or all standing
Phenomenon so that oil liquid changes in flow rate is discontinuous, and then influences automobile ride and control stability；Also, in piston rod and work
Plug middle part is provided with liquid flow channel for oil, necessarily will increase the difficulty of processing of piston rod, and reduce the mechanical strength of piston, so that subtracting
The service life of vibration device nevertheless suffers from influence.
Summary of the invention
It is an object of the invention to solve the above-mentioned technical problems in the prior art, it is stepless adjustable to provide a kind of damping
Damper, overall structure advantages of simple can realize the inorganic adjusting of damping according to road surface condition variation.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of stepless adjustable shock absorber of damping, including oil storage cylinder barrel, work cylinder barrel, shock absorber cover, setting are in work cylinder barrel
The bottom valve assembly of one end and the piston and piston rod being arranged in work cylinder barrel, the piston are connected to piston rod one end；It is described
Piston rod is hollow structure, and control-rod is provided in piston rod, and control-rod can be freely rotated in piston rod, control-rod and piston
Limited position mechanism is set between bar, and the position-limit mechanism is for limiting up and down motion of the control-rod in piston rod；
The piston includes piston only and piston valve assembly, and piston valve assembly includes flow- through valve plate, restores valve block and work
Plug valve seat, the flow- through valve plate and recovery valve block are separately positioned on piston only both ends, and piston valve base is arranged in the case where restoring valve block
Side, piston valve base one end end face withstand on rebuilt valve on piece, are provided with adjusting block, the piston valve base and adjusting below piston valve base
Elastic component is provided between block, adjusting block is set on control-rod；Described control-rod one end, which reaches, is equipped with work on piston rod
Outside one end of plug, the end end of control-rod is provided with regulating mechanism, by adjustment structure to adjusting block when control-rod rotates
Position is adjusted.
In above-mentioned technical proposal, further, the regulating mechanism is the nut that control boom end is arranged in, the nut
It is to be threadedly coupled between control-rod.
In above-mentioned technical proposal, further, the position-limit mechanism includes that the groove being arranged on control-rod and setting exist
Limited block on piston rod, described limited block one end are extend into groove.
In above-mentioned technical proposal, further, the elastic component uses Hookean spring.
In above-mentioned technical proposal, further, motor is connected on the control-rod other end.
In above-mentioned technical proposal, further, the motor connects controller.
In above-mentioned technical proposal, further, the piston rod reaches the fixed setting of one end end outside work cylinder barrel
There is fixing seat, the motor is arranged in fixing seat, dust cover is connected in the fixing seat, motor setting is in dust cover and admittedly
Between reservation, hanging ring is fixedly installed on dust cover.
Possessed by of the invention the utility model has the advantages that
1) damper is controlled by the rotation to control-rod, is realized and is carried out linear regulation to the opening and closing forces for restoring valve block,
The step-less adjustment to absorber damping force is reached, and the reaction speed that damping force is adjusted is fast；The control of regulating mechanism and control-rod
Mode processed is simple, easy to accomplish, and piston rod construction is simple, easy to process, not will increase the processing cost of piston rod；
2) damper is applicable to the transformation to existing common double-cylinder hydraulic damper, without increasing additional oil liquid stream
The fallible components such as road or solenoid valve, structure is simple, high reliablity；It is widely portable to the vertical semi- active control of automobile, to change
The kind comfort taken；Or be suitable for bullet train transverse direction semi- active control, to improve rolling stock lateral stability and
Comfort；
3) damper is alternatively arranged as common damper use, is suitable for long duration of action operating condition, works as Rebuilt valve of shock absorber
Spring occur fatigue loss when, be adjusted, the fatigue of spring can be compensated, to extend damper by regulating mechanism
Service life.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 be in Fig. 1 A-A to sectional view.
Fig. 3 is damper control principle schematic diagram of the present invention.
In figure: 1, hanging ring, 2, motor, 3, shock absorber cover, 4, gasket, 5, fixing seat, 6, piston rod, 7, control-rod, 8,
Piston valve assembly, 801, flow- through valve plate, 802, recovery valve block, 803, piston valve base, 804, Hookean spring, 901, limited block,
902, groove, 10, adjusting block, 11, nut, 12, work cylinder barrel, 13, recovery chamber, 14, oil storage cylinder barrel, 15, compression chamber, 16, bottom
Valve assembly, 1601, compensation valve spring, 1602, compensator valve plate, 1603, compression valve seat, 1604, compression valve block, 17, controller,
18, dust cover, 19, piston only, 20, shoe cream room.
Specific embodiment
The present invention is further illustrated in the following with reference to the drawings and specific embodiments.
As illustrated in fig. 1 and 2, the stepless adjustable shock absorber of damping in the present embodiment, including oil storage cylinder barrel 14, work cylinder barrel
12, shock absorber cover 3, the bottom valve assembly 16 of work cylinder barrel one end is set and is arranged in work cylinder barrel piston and piston rod 6,
The piston is connected to 6 one end of piston rod.Bottom valve assembly 16 is isolated by oil storage cylinder barrel 14 and work cylinder barrel 12, makes oil storage cylinder
Cylinder 14 forms closed shoe cream room.Piston is arranged in work cylinder barrel 12, and work cylinder barrel 12 is divided into two closed chambers,
Compression chamber 15 respectively positioned at the recovery chamber 13 on work cylinder barrel top and positioned at work cylinder barrel lower part.
In the present embodiment, piston rod 6 is hollow structure, is provided with control-rod 7 in piston rod 6, control-rod 7 can be in piston
It is freely rotated in bar 6, limited position mechanism is set between control-rod 7 and piston rod 6, the position-limit mechanism is for limiting control-rod in work
Up and down motion in stopper rod.Specifically, the position-limit mechanism in the present embodiment includes the groove 902 being arranged on control-rod 7 and sets
Set limited block 901 on the piston rod, described 901 one end of limited block is extend into groove 902, by limited block and groove it
Between be coupled, realize the limitation that move to control-rod up and down direction, groove 902 is circular groove structure here, makes to control
Bar can rotate in piston rod.
Piston in the damper includes piston only 19 and piston valve assembly 8, and piston valve assembly 8 includes flow- through valve plate
801, valve block 802 and piston valve base 803 are restored, the flow- through valve plate 801 and recovery valve block 802 are separately positioned on piston only
19 both ends, the setting of piston valve base 803 are being restored below valve block 802, and 803 one end end face of piston valve base, which is withstood on, restores on valve block 802,
It is provided with adjusting block 10 below piston valve base 803, elastic component 804 is provided between the piston valve base 803 and adjusting block 10, adjusts
Locking nub 10 is set on control-rod, and the movement of up and down direction can be done along control-rod.Here flow- through valve plate 801 and piston only 19,
It restores and is respectively formed one-way valve structures between valve block 802 and piston only 19, by control flow- through valve plate and restore opening for valve block
It opens and closes, realize the control circulated to oil liquid between recovery chamber and compression chamber；Here this check valve in piston controls knot
Structure is conventional structure used by damper piston, here just to its specific structure without detailed description.Meanwhile it adjusting here
Locking nub realizes the control to elastic component decrement, passes through the provided elastic force of elastic component when moving up and down along control-rod
Size opens required pressure to adjust above-mentioned check valve, realizes the adjusting to resistance of shock absorber.
To realize adjusting to elastic component spring force, in the present embodiment, 7 one end of control-rod reaches installs on piston rod 6
Have outside one end of piston, at the end, end is provided with regulating mechanism on control-rod 7, passes through adjustment structure pair when control-rod 7 rotates
The position of adjusting block 10 is adjusted.Specifically, the regulating mechanism in the present embodiment is the nut that 7 end of control-rod is arranged in
11, it is threadedly coupled between the nut 11 and control-rod 7.When control-rod rotation, under the action of adjusting block and control-rod,
It relatively rotating between nut and control-rod, when rotating on control-rod, nut is moved upwardly or downwardly nut along control-rod,
Adjusting block is moved upwardly or downwardly along control-rod at this time, to realize the adjusting to elastic component elastic force size, is realized to vibration damping
The adjusting of device damping force.
In the present embodiment, as shown in Figure 1, bottom valve assembly 16 includes the compensation valve spring 1601 set gradually, compensator valve plate
1602, compression valve seat 1603 and compression valve block 1604；Compensator valve plate 1602 and compression valve seat 1603, compression valve block 1604 and compression
One-way valve structures are respectively formed between valve seat 1603, unlatching and pass by compensator valve plate and compression valve block on control compression valve seat
It closes, realizes the control circulated to oil liquid between oil liquid chamber and compression chamber.Similarly, this check valve control in bottom valve assembly here
Structure processed is conventional structure employed in existing damper, here just to its specific structure without detailed description.
Preferably, in the present embodiment, the elastic component 804 uses Hookean spring, controls Hookean spring by regulating mechanism
Elastic force, realize to the linear regulation of unidirectional valve opening pressure above-mentioned in piston valve assembly, it is easy to accomplish absorber damping force
Continuous, linear regulation.
To realize that the automatic stepless of absorber damping force is adjusted, electricity is connected on 7 other end of control-rod in the present embodiment
Machine 2 controls the rotation of control-rod by motor, can be achieved by the rotation of motor control to control-rod rotation direction and
The control of amount of spin can be realized to the real-time, continuous of absorber damping force, linear regulation.Motor 2 can connect controller 17,
The rotation of motor is carried out automatically controlling by controller, the automatic stepless of absorber damping force is adjusted to realize.This reality
It applies in example, motor 2 uses stepper motor；Controller 17 uses microprocessor, realizes the intelligence to stepper motor by microprocessor
It can control.
Preferably, piston rod 6 reaches one end end outside work cylinder barrel 12 and is fixedly installed fixing seat in the present embodiment
6, the motor 2 is arranged in fixing seat 6, and dust cover 18 is connected in the fixing seat 6, and motor 2 is arranged in 18 He of dust cover
Between fixing seat 6, hanging ring 1 is fixedly installed on dust cover 18.
Damper includes restoring two operating conditions of stroke and compression travel in actual operation in the present embodiment, under two operating conditions
The working principle of damper is as follows:
1) stroke is restored
When piston rod 6 is moved upwards relative to work cylinder barrel 12,13 volume of recovery chamber reduces, the oil liquid of recovery chamber 13
Pressure rise；When piston rod 6 and 12 relative velocity of work cylinder barrel are smaller, oil liquid pressure is not enough to overcome the preload of Hookean spring
Power, and cannot push open restore valve block 802 when, oil liquid by restore valve block 802 long straight joint clearance flow return compression chamber 15；Work as oil liquid
When pressure is increased sufficiently to overcome the pretightning force of Hookean spring, restores valve block 802 and open.Piston rod 6 constantly moves upwards process
In, since the sectional area of recovery chamber 13 is smaller than the sectional area of compression chamber 15, the oil liquid for flowing into compression chamber 15 by recovery chamber 13 is insufficient
To fill up the volume that compression chamber 15 is vacated, cause 15 pressure ratio oil storage cylinder barrel of compression chamber, 14 inner fluid pressure small, oil storage cylinder barrel
Oil liquid in 14 will push compensator valve plate 1602 open and add in compression chamber 15, to ensure idle running do not occur at compression travel initial stage.
2) compression travel
When piston rod 6 is moved downward relative to work cylinder barrel 12,15 volume of compression chamber reduces, the oil liquid of compression chamber 15
Pressure rise；What it is due to the composition of flow- through valve plate 801 is one-way valve structures, and unlatching does not need too big pressure, at this time flowing valve
Piece 801 is opened, and part oil liquid enters recovery chamber 13 through flow- through valve plate 801.Since the sectional area of recovery chamber 13 is than compression chamber 15
Sectional area is small, and the moving downward of piston rod 6 will lead to 15 oil liquid pressure of compression chamber and be gradually increased, and part oil liquid is made to push compression valve open
Piece 1604 flows back to oil storage cylinder barrel 14.
By control flow- through valve plate 801 and valve block 802 is restored to the damping force size of oil liquid in the damper, realize to subtracting
The adjusting for device damping force of shaking.When work, microprocessor 17 receives the road surface signal of acquisition, analyzes the road surface signal of acquisition, root
According to the different situations on road surface, different command signals is issued to stepper motor: when needing smaller damping force, step motor control
Control-rod 7 turns left, and adjusting block 10 is moved down through screw-driven, at this time Hookean spring decrement reduce, restore valve block and
The cracking pressure of flow- through valve plate reduces, and absorber stroke oil liquid flows through the damping force and compression travel oil for restoring that valve block is subject to
The damping force that liquid stream is subject to through flow- through valve plate accordingly reduces；When needing larger damping force, step motor control control-rod is to the right
Rotation, adjusting block are moved up through screw-driven, and Hookean spring decrement increases, and restore the cracking pressure of valve block and flow- through valve plate
Increase, absorber stroke oil liquid flow through restore the damping force that is subject to of valve block and compression travel oil liquid flow through flow- through valve plate by
Damping force increase accordingly；To realize by control of the motor to control-rod direction of rotation and rotation amount, to resistance of shock absorber
The step-less adjustment of power.The rotation amount of control-rod left or right rotation is corresponding with pavement behavior, is preset by the program of microprocessor,
The continuous rotation of control-rod makes the damping of damper that can realize that continuous, linear stepless is adjusted in a short time.
The description and the appended drawings of the invention be considered as it is illustrative and not restrictive, on the basis of the present invention, ability
According to disclosed technology contents, some of technical characteristics can be made field technique personnel by not needing creative labor
Some replacements and deformation, are within the scope of the invention.
Claims (7)
1. a kind of stepless adjustable shock absorber of damping, including oil storage cylinder barrel, work cylinder barrel, shock absorber cover, setting are in work cylinder barrel one
The bottom valve assembly at end and the piston and piston rod being arranged in work cylinder barrel, the piston are connected to piston rod one end；Its feature
Be: the piston rod is hollow structure, is provided with control-rod in piston rod, and control-rod can be freely rotated in piston rod, control
Limited position mechanism is set between bar and piston rod processed, and the position-limit mechanism is for limiting up and down fortune of the control-rod in piston rod
It is dynamic；
The piston includes piston only and piston valve assembly, and piston valve assembly includes flow- through valve plate, restores valve block and piston valve
Seat, the flow- through valve plate and recovery valve block are separately positioned on piston only both ends, and piston valve base setting is being restored below valve block, living
Plug valve seat one end end face withstands on rebuilt valve on piece, is provided with adjusting block below piston valve base, the piston valve base and adjusting block it
Between be provided with elastic component, adjusting block is set on control-rod；Described control-rod one end, which reaches, is equipped with piston on piston rod
Outside one end, the end end of control-rod is provided with regulating mechanism, by adjustment structure to the position of adjusting block when control-rod rotates
It is adjusted.
2. the stepless adjustable shock absorber of damping according to claim 1, it is characterised in that: the regulating mechanism is that setting is being controlled
The nut of boom end processed is threadedly coupled between the nut and control-rod.
3. the stepless adjustable shock absorber of damping according to claim 1, it is characterised in that: the position-limit mechanism includes that setting exists
The limited block of groove and setting on the piston rod on control-rod, described limited block one end is extend into groove.
4. the stepless adjustable shock absorber of damping according to any one of claim 1 to 3, it is characterised in that: the elastic component
Using Hookean spring.
5. the stepless adjustable shock absorber of damping according to any one of claim 1 to 3, it is characterised in that: the control-rod
Motor is connected on the other end.
6. the stepless adjustable shock absorber of damping according to claim 5, it is characterised in that: the motor connects controller.
7. the stepless adjustable shock absorber of damping according to claim 5, it is characterised in that: the piston rod reaches working cylinder
One end end outside cylinder is fixedly installed fixing seat, and the motor is arranged in fixing seat, is connected in the fixing seat dust-proof
Cover, motor are arranged between dust cover and fixing seat, and hanging ring is fixedly installed on dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768063.XA CN109139771A (en) | 2018-07-13 | 2018-07-13 | A kind of stepless adjustable shock absorber of damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768063.XA CN109139771A (en) | 2018-07-13 | 2018-07-13 | A kind of stepless adjustable shock absorber of damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139771A true CN109139771A (en) | 2019-01-04 |
Family
ID=64800545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810768063.XA Pending CN109139771A (en) | 2018-07-13 | 2018-07-13 | A kind of stepless adjustable shock absorber of damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139771A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886804A (en) * | 2019-12-02 | 2020-03-17 | 西安科技大学 | Built-in solenoid valve type semi-active damping continuous adjustable shock absorber and control method |
| CN112413031A (en) * | 2020-11-03 | 2021-02-26 | 南京航空航天大学 | Electric control damping adjustable shock absorber and adjusting method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365033A (en) * | 1965-10-29 | 1968-01-23 | Bilstein August | Stepless or continuously adjustable shock absorber |
| CN201731012U (en) * | 2010-02-22 | 2011-02-02 | 东启国际企业有限公司 | Shock absorber with improved structure |
| CN201973158U (en) * | 2011-02-22 | 2011-09-14 | 浙江万向系统有限公司 | High-speed damping unloading valve for automobile shock absorber piston |
| CN201973157U (en) * | 2010-12-30 | 2011-09-14 | 浙江万向系统有限公司 | Multistage damping piston valve of automobile vibration damper |
| CN202768713U (en) * | 2012-09-06 | 2013-03-06 | 宁波凯瑞汽车零部件有限公司 | Piston component of shock absorber |
| CN103659379A (en) * | 2013-12-30 | 2014-03-26 | 马光战 | Bidirectional flat-nose pliers for machine |
| CN203685964U (en) * | 2014-01-22 | 2014-07-02 | 吉林大学 | Novel damp adjustable absorber |
| CN204041845U (en) * | 2014-07-21 | 2014-12-24 | 浙江万向马瑞利减震器有限公司 | A kind of recovering structure of adjustable shock absorber |
| CN206487820U (en) * | 2016-12-26 | 2017-09-12 | 隆昌山川精密焊管有限责任公司 | It is a kind of to reduce the vibration damper complement of high-speed damping force value |
| CN208057799U (en) * | 2018-03-08 | 2018-11-06 | 西南交通大学 | A kind of stepless adjustable shock absorber of damping |
| CN208900612U (en) * | 2018-07-13 | 2019-05-24 | 西南交通大学 | A kind of stepless adjustable shock absorber of damping |
-
2018
- 2018-07-13 CN CN201810768063.XA patent/CN109139771A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365033A (en) * | 1965-10-29 | 1968-01-23 | Bilstein August | Stepless or continuously adjustable shock absorber |
| CN201731012U (en) * | 2010-02-22 | 2011-02-02 | 东启国际企业有限公司 | Shock absorber with improved structure |
| CN201973157U (en) * | 2010-12-30 | 2011-09-14 | 浙江万向系统有限公司 | Multistage damping piston valve of automobile vibration damper |
| CN201973158U (en) * | 2011-02-22 | 2011-09-14 | 浙江万向系统有限公司 | High-speed damping unloading valve for automobile shock absorber piston |
| CN202768713U (en) * | 2012-09-06 | 2013-03-06 | 宁波凯瑞汽车零部件有限公司 | Piston component of shock absorber |
| CN103659379A (en) * | 2013-12-30 | 2014-03-26 | 马光战 | Bidirectional flat-nose pliers for machine |
| CN203685964U (en) * | 2014-01-22 | 2014-07-02 | 吉林大学 | Novel damp adjustable absorber |
| CN204041845U (en) * | 2014-07-21 | 2014-12-24 | 浙江万向马瑞利减震器有限公司 | A kind of recovering structure of adjustable shock absorber |
| CN206487820U (en) * | 2016-12-26 | 2017-09-12 | 隆昌山川精密焊管有限责任公司 | It is a kind of to reduce the vibration damper complement of high-speed damping force value |
| CN208057799U (en) * | 2018-03-08 | 2018-11-06 | 西南交通大学 | A kind of stepless adjustable shock absorber of damping |
| CN208900612U (en) * | 2018-07-13 | 2019-05-24 | 西南交通大学 | A kind of stepless adjustable shock absorber of damping |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886804A (en) * | 2019-12-02 | 2020-03-17 | 西安科技大学 | Built-in solenoid valve type semi-active damping continuous adjustable shock absorber and control method |
| CN112413031A (en) * | 2020-11-03 | 2021-02-26 | 南京航空航天大学 | Electric control damping adjustable shock absorber and adjusting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208057799U (en) | A kind of stepless adjustable shock absorber of damping | |
| US20070144845A1 (en) | Wheel suspension for vehicle | |
| CN101555923B (en) | Shock absorber piston assembly and self-adjusting damping shock absorber comprising same | |
| CN201041213Y (en) | Split type adjustable air chamber pressure multi-stage damping absorber | |
| CN112283281B (en) | Damping adjusting valve and method for vibration absorber | |
| CN106523574B (en) | A kind of multi-state damping adaptive hydro-pneumatic spring and its control method | |
| CN101549626A (en) | Continuously adjustable self-adapting semi-active suspension system capable of responding fast damping | |
| CN102748422B (en) | Stroke sensitive damping adjustable shock absorber | |
| US20070144848A1 (en) | Hydraulic damper for vehicle | |
| CN109139771A (en) | A kind of stepless adjustable shock absorber of damping | |
| CN204284289U (en) | A kind of amplitude selects vibration damper | |
| CN208900612U (en) | A kind of stepless adjustable shock absorber of damping | |
| CN101725658A (en) | Dead load, dynamic pulse and stretching speed self-adaptive resistance variation method and damper | |
| CN108980258A (en) | A kind of magnetorheological damping regulating valve | |
| CN110439955A (en) | A kind of magnetorheological fluid unidirectional damping regulating valve | |
| CN204372028U (en) | Amplitude is correlated with damping characteristic vibration damper | |
| CN110107636A (en) | A kind of two-way magnetorheological damping regulating valve | |
| CN111365402B (en) | Magnetorheological fluid bidirectional damping regulating valve | |
| CN202612463U (en) | High and low speed two-way damping adjustable mechanical-type shock absorber | |
| CN105221634B (en) | Damper piston structure based on adaptive damping choke valve | |
| CN201416610Y (en) | Electric damping regulating mechanism of adjustable vibration damper | |
| CN102678810B (en) | High/low speed bidirectional damping adjustable mechanical damper | |
| JP2003194133A (en) | Damping-force-adjustable hydraulic shock absorber | |
| CN101603575A (en) | Vibration damper | |
| CN2881212Y (en) | Regulatable restoration buffer valve of hydraulic shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |