A kind of adaptive transmission control
Technical field
The present invention relates to a kind of shock absorber, more particularly to a kind of adaptive transmission control, the shock absorber can pass through hand
Dynamic regulation changes damping, it is adaptable on various vehicle suspensions or seat.
Background technology
Vehicle can change to the strong and weak requirement of resistance of shock absorber with the change of the driving conditions such as load, condition of road surface.When
When driving conditions change, such as absorber damping force can not be adjusted accordingly, and its effectiveness in vibration suppression is just unsatisfactory, has a strong impact on car
Comfortableness.Now, with each shock absorber producer technology the need for continuous rise and user, existed on the market it is a variety of can
The shock absorber of damping force is adjusted, these shock absorbers that can adjust damping force are generally become or Solenoid Valve Technology using magnetorheological, electric current,
Wherein magnetic flow liquid, ER fluid flow through the damping force produced by different gap runner, vibration is decayed, and its damping force can pass through
Externally-applied magnetic field or electric current are adjusted.Solenoid Valve Technology is the switch for utilizing magnetic valve in oil passage, changes oil passage
Cross-sectional area carries out damping force regulation.The damper structure of these types is complicated, need to separately add electric-control system, with high content of technology, into
This costliness, is typically used on a small amount of senior offroad vehicle and high-grade car, it is impossible to popularize and use on general-utility car.
It is also a kind of to be adjusted using the damper structure adjusted manually by suit hollow stem outside piston rod, this
Kind of structure is complex, and production and processing difficulty is larger, and is generally limited by installing space and can not meet use requirement.
The content of the invention
In order to solve the above problems, the present invention provides a kind of adaptive transmission control, and the shock absorber can be with vehicle drive
The change of condition and the size for adjusting resistance of shock absorber, improve vehicle riding comfort.
The object of the present invention is achieved like this:The shock absorber includes suspension ring, working cylinder, oil storage cylinder, middle cylinder, guiding
Seat, oil sealing, piston rod, bottom valve assembly and piston assembly;It is characterized in that:It also includes valve body, valve element and turning arm, the valve
Through hole four is provided with body, through hole two and through hole three is provided with valve element, described valve body is fitted on oil storage cylinder, the valve element and rotation
Pivoted arm is fitted together, by rotate turning arm drive valve core rotation realize through hole four respectively with through hole two or the company of through hole three
It is logical, so as to realize that through hole four is communicated with center spool endoporus.
The working cylinder top is provided with through hole one so that upper oil cavitie is communicated with intermediate cavity.
The valve element is fitted together with turning arm, drives valve core rotation to realize through hole two or logical by rotating turning arm
Hole three is connected with through hole four respectively, so as to realize that through hole four is communicated with center spool endoporus so that the fluid warp inside intermediate cavity
Exocoel is entered by through hole four;When through hole four and through hole two or through hole tee joint, shock absorber realizes the regulation and change of damping force
Change.
The advantages of the present invention are:
1st, shock absorber of the present invention compares valve body, valve element and the rotation added outside auto shock absorber with conventional damper
The structures such as arm, valve body is linked together with oil storage cylinder, and valve element links together with turning arm, and valve is driven by rotating turning arm
Core, makes the radial hole above valve element corresponding with the hole on valve body, when the relatively large through-hole on valve element and the through hole on valve body to it is corresponding when
Fluid during shock absorber movement flows through through thus larger through hole, and the damping force of shock absorber is smaller;And when smaller on valve element
Through hole and the through hole on valve body to it is corresponding when shock absorber movement during fluid through thus being flowed through compared with small through hole, resistance of shock absorber
Power is larger.
2nd, in order to consider that driver is to the demand of absorber damping force, vibration damping of the present invention under various vehicle travel conditions comprehensively
Device can pull turning arm by the setting of the regulation handle in driver's cabin, and the regulation of damping force is carried out to shock absorber.Vibration damping
Device damping force is divided into two gears or more gear.Driver can such as load as the case may be, pavement conditions, drive
Indoor regulation absorber damping force is in suitable gear at any time as needed, so as to obtain preferably effectiveness in vibration suppression, improves vehicle
Comfortableness.
3rd, the present invention is easily realized absorber damping force and adjusted as needed by simple Design of Mechanical Structure
Section, improves vehicle riding comfort.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is the A-A sectional views of Invention figure 1.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings:
As shown in figure 1, the shock absorber includes suspension ring 1, working cylinder 8, oil storage cylinder 10, middle cylinder 12, guide holder 13, oil sealing 14, work
Stopper rod 15, bottom valve assembly and piston assembly etc.;It is characterized in that:It also includes valve body 23, valve element 24, turning arm 25, described
Valve body 23 is fitted on oil storage cylinder 10, and the valve element 24 is fitted together with turning arm 25, and valve is driven by rotating turning arm 25
Core 24 rotates and realizes that through hole 4 32 is connected with through hole 2 30 or through hole 3 31 respectively, so as to realize in through hole 4 32 and valve element 24
Intracardiac hole is communicated so that the fluid of the inside of intermediate cavity 27 enters exocoel 28 via through hole 4 32;When through hole 4 32 and through hole 2 30
Or during the connection of through hole 3 31, realize the regulation and change of absorber damping force.
The bottom valve assembly includes bolt 2, valve block 1, the valve block 25 of bottom valve 4 and bottom valve nut 6;The piston assembly bag
Include piston unt 9, piston 11, valve block 3 19 and valve block 4 20.
As shown in Figure 2:It is provided with valve body 23 on through hole 4 32, valve element 24 and is provided with through hole 2 30 and through hole 3 31, valve element 24
Fitted together with turning arm 25, by rotate turning arm 25 with movable valve plug 24 rotate realize 3 31 points of through hole 2 30 or through hole
Do not connected with through hole 4 32, so as to realize that through hole 4 32 is communicated with the central bore of valve element 24 so that the fluid of the inside of intermediate cavity 27
Enter exocoel 28 via through hole 4 32.When through hole 4 32 is connected with through hole 2 30, because the relative diameter of through hole 2 30 is smaller, this
When absorber damping force it is larger;When through hole 4 32 is connected with through hole 3 31, because the relative diameter of through hole 3 31 is larger, now subtract
Device damping force of shaking is smaller.
As shown in figure 1, being sealed between working cylinder 8 and middle cylinder 12 by sealing ring 1 and sealing ring 2 17;Valve body 23
Sealed between middle cylinder 12 by sealing ring 3 21;Sealed between valve body 23 and oil storage cylinder 10 by sealing ring 4 22;
Sealed between valve body 23 and valve element 24 by sealing ring 5 26.
More number of openings as through hole 2 30, through hole 3 31 can also be increased on the valve element 24, and these are logical
Bore dia size is different, is rotated with movable valve plug 24 by rotating turning arm 25 and realizes that through hole 4 32 connects with these through holes respectively
It is logical, so as to realize the absorber damping force regulation and change of different stage.
The operation principle of the present invention is as follows:
When the through hole 2 30 on valve element 24 is connected with the through hole 4 32 on valve body 23, shock absorber stretching travel, the inside of epicoele 16
Fluid enter intermediate cavity 27 via through hole 1, then via valve element endoporus flow successively through through hole 2 30 and through hole 4 32, finally
Into exocoel 28, the fluid of the inside of exocoel 28 is via the hole on bottom valve 4 and opens valve block 25 and enters cavity of resorption 29;Shock absorber pressure
Indention journey, the fluid of the inside of cavity of resorption 29 is via the hole on piston 11 and opens valve block 3 19 and enters epicoele 16, then via logical
Hole 1 enters intermediate cavity 27, then flows successively through through hole 2 30 and through hole 4 32 via valve element endoporus, finally enters exocoel 28, leads to
Valve block 1 in the case of often during this will not be opened, if the damping force during this is excessive, valve block 1 can just be opened, and be risen
To the effect of safe aerial drainage.The damping force of shock absorber is relatively large in above procedure.
When the through hole 3 31 on valve element 24 is connected with the through hole 4 32 on valve body 23, shock absorber stretching travel, epicoele 16
The fluid of the inside enters intermediate cavity 27 via through hole 1, then flows successively through through hole 3 31 and through hole 4 32 via valve element endoporus,
The fluid inside exocoel 28, exocoel 28 is finally entered via the hole on bottom valve 4 and valve block 25 is opened into cavity of resorption 29;Vibration damping
Device compression travel, the fluid of the inside of cavity of resorption 29 is via the hole on piston 11 and opens valve block 3 19 and enters epicoele 16, Ran Houjing
Intermediate cavity 27 is entered by through hole 1, then through hole 3 31 and through hole 4 32 are flowed successively through via valve element endoporus, exocoel is finally entered
28, the valve block 1 during this will not be opened under normal circumstances, if the damping force during this is excessive, valve block 1 can be beaten
Open, play a part of safe aerial drainage.The damping force of shock absorber is relatively small in above procedure.
As can be seen here, the shock absorber, can be by rotating turning arm either in stretching travel still in compression travel
25 band movable valve plugs 24 are rotated, and carry out the regulation of absorber damping force.
Shock absorber of the present invention can be pulled turning arm, shock absorber damped by the regulation handle in driver's cabin
The regulation of power.Absorber damping force is divided into two gears or more gear.Driver can be as the case may be such as load, road surface
Condition etc., regulation absorber damping force is in suitable gear at any time as needed in driver's cabin, so as to obtain preferably vibration damping
Effect, improves vehicle riding comfort.