CN203548687U - Adjustable-damping shock absorber of automobile - Google Patents

Adjustable-damping shock absorber of automobile Download PDF

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Publication number
CN203548687U
CN203548687U CN201320629796.8U CN201320629796U CN203548687U CN 203548687 U CN203548687 U CN 203548687U CN 201320629796 U CN201320629796 U CN 201320629796U CN 203548687 U CN203548687 U CN 203548687U
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China
Prior art keywords
damping
floating core
hole
shock absorber
described
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CN201320629796.8U
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Chinese (zh)
Inventor
时培成
陈陆骏
聂高法
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安徽工程大学
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Priority to CN201320629796.8U priority Critical patent/CN203548687U/en
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Publication of CN203548687U publication Critical patent/CN203548687U/en

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Abstract

The utility model discloses an adjustable-damping shock absorber of an automobile. The adjustable-damping shock absorber comprises an oil storage tube, a work cylinder, a piston rod, an electromagnetic valve and a control system, wherein the electromagnetic valve is positioned in the work cylinder and is connected with the tail end of the piston rod, the control system is connected with the electromagnetic valve and controls the electromagnetic valve to change the damping coefficient, and the electromagnetic valve is in tight contact with the work cylinder and divides the work cylinder into an upper cavity and a lower cavity. Compared with the prior art, the adjustable-damping shock absorber has the advantages that the tail end of the piston rod is connected with the electromagnetic valve, the electromagnetic valve can change the damping coefficient of the shock absorber through being controlled by the control system, and in addition, the stepless regulation of the damping of the shock absorber can be realized. The adjustable-damping shock absorber has the advantages that the structure is simple, the installation is convenient, and the cost is low.

Description

Damping-adjustable Shock Absorber

Technical field

The utility model relates to automobile component, and specifically, the utility model relates to a kind of Damping-adjustable Shock Absorber.

Background technique

Vibration damper is as the connection set of vehicle bridge and vehicle frame (or monocoque body), its effect is the vibration of decay vehicle body, improve control stability and the run smoothness of automobile, because the operating mode that automobile runs into is under steam many, so the damping of vehicle shock absorber also should change along with the variation of service factor.Traditional vibration damper can not guarantee that vehicle handling stability and run smoothness reach optimum efficiency simultaneously, thereby has produced the adjustable vibration damper of damping.

Current existing ride control shock absorber, has more satisfactory damping characteristic mostly, but its cost is higher, complex structure.The patent that publication number is CN102476571A provides a kind of Damping-adjustable Shock Absorber, but in its scheme, adopt two hydrovalves, solenoid valve is wherein arranged on the inside of interior clutch release slave cylinder upper end, and this makes to install and maintenance inconvenience, and can not realize the electrodeless adjusting of damping.So a kind of variable resistance function of more convenient and hydrovalve number device being still less installed realizing vibration damper just need to be provided.

Model utility content

Technical problem to be solved in the utility model is to provide a kind of Damping-adjustable Shock Absorber simple in structure, easy for installation.

In order to solve the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of Damping-adjustable Shock Absorber, comprise oil storage cylinder, clutch release slave cylinder, piston rod, also comprise being positioned at the solenoid valve that is connected to described piston-rod end of described clutch release slave cylinder and the control being connected with solenoid valve it changing the control system of damping constant solenoid valve and clutch release slave cylinder close contact and clutch release slave cylinder is divided into upper and lower two chambers.

Described solenoid valve comprises columniform valve body and the floating core that can move linearly up and down, the center of valve body is provided with the floating core through hole running through vertically, floating core is arranged in floating core through hole and floating core through hole is divided into, lower two chambers, on the upper-end surface of valve body and lower end surface, being respectively provided with one in the position, aperture of floating core through hole is the electromagnet being electrically connected with described control system, valve body is provided with respectively and starts from upper-end surface and lower end surface two main damp channels that extend towards valve inner, between two chambers of main damp channel and floating core through hole, be respectively provided with a little damping hole, in little damping hole, be provided with the one-way valve that stops working medium to enter main damp channel, two main damp channels are respectively communicated with floating core through hole by a large damp channel, two large damp channels are coaxial and are distributed in the both sides of floating core through hole, in floating core, be provided with the crosspassage that an edge is laterally run through, crosspassage parallels with the axis of large damp channel, the open-ended of the open-ended and crosspassage of two large damp channels can partially overlap or overlap completely, floating core upper, lower two ends are also provided with elastic element.

The aperture of the little damping hole of aperture ratio of described main damp channel is large.

Between described piston rod and the upper-end surface of described valve body, be provided with circulation valve block, the lower end surface of valve body is provided with recovery valve block.

The upper-end surface of described valve body is provided with spiral chute, and the end of described piston rod inserts in spiral chute and is threaded with spiral chute, is also provided with the shrinkage pool for the electromagnet on fixing described valve body upper-end surface on the terminal surface of piston rod.

Described recovery valve block is fixed on described valve body by a screw capping, and the lower end surface of valve body is provided with spiral chute, and screw capping inserts in spiral chute and is threaded with spiral chute, is also provided with the shrinkage pool for the electromagnet on fixing described valve body lower end face on screw capping.

Described elastic element is spring, and spring one end is connected to electromagnet, and the other end is connected to the end face of floating core.

Described control system comprises sensor, ECU and the actuating device for extracting motoring condition signal, sensor is connected with ECU with actuating device, sensor is passed to ECU by signal, ECU by the signal of receiving through processing and analyze after, by signal input actuating device after treatment, actuating device is converted into by signal the ac current signal that size of current is different and inputs to two electromagnet in solenoid valve.

Described actuating device is connected with described solenoid valve by the wire harness arranging in described piston rod.

The utility model adopts technique scheme, and compared with prior art, the end of the piston rod of this vibration damper is connected with solenoid valve, and solenoid valve can change the damping constant of vibration damper under the control of control system, and can realize the electrodeless adjusting of resistance of shock absorber; This damper structure is simple, easy for installation, and cost is low.

Accompanying drawing explanation

Fig. 1 is the sectional view of vibration damper of the present utility model;

Fig. 2 is the sectional view of solenoid valve;

Mark in above-mentioned figure is: 1, sensor; 2, ECU; 3, actuating device; 4, piston rod; 5, solenoid valve; 5-1, main damp channel; 5-2, large damp channel; 5-3, little damping hole; 5-4, one-way valve; 5-5, spring; 5-6, electromagnet; 5-7, one-way valve; 5-8, little damping hole; 5-9, main damp channel; 5-10, large damp channel; 5-11, little damping hole; 5-12, one-way valve; 5-13, floating core through hole; 5-14, electromagnet; 5-15, one-way valve; 5-16, little damping hole; 5-17, floating core; 5-18, crosspassage; 5-19, upper spiral chute; 5-20, lower spiral chute; 5-21, valve body; 6, oil storage cylinder; 7, base; 7-1, oil outlet; 7-2, recuperation valve; 7-3, compression valve; 8, clutch release slave cylinder; 9, guide holder; 10, oil sealing; 11, dust-proof cover; 12, suspension ring; 13, circulation valve block; 14, restore valve block; 15, screw capping.

A, upper chamber; B, lower chambers; C, control system.

Embodiment

Be illustrated in figure 1 a kind of Damping-adjustable Shock Absorber of the present utility model, comprise oil storage cylinder 6, clutch release slave cylinder 8, piston rod 4, guide holder 9, base 7, oil storage cylinder 6, dust-proof cover 11 and suspension ring 12, base 7 is arranged on the bottom of clutch release slave cylinder 8, guide holder 9 is arranged on the top of clutch release slave cylinder 8, oil storage cylinder 6 is outer to be enclosed within on clutch release slave cylinder 8, and the top of clutch release slave cylinder 8 also seals with oil sealing 10.The inside of base 7 is a cavity, and base 7 is provided with compression valve 7-3 and recuperation valve 7-2, and compression valve 7-3 and recuperation valve 7-2 are general one-way valve, and the sidewall of base 7 is provided with oil outlet 7-1, and oil outlet 7-1 is communicated with the internal cavities of base 7 with oil storage cylinder 6.This vibration damper also comprises the control system c that is positioned at its change damping constant of the solenoid valve 5 that is connected to piston rod 4 ends of clutch release slave cylinder 8 and the control being connected with solenoid valve 5, solenoid valve 5 is as the piston of vibration damper, and between the inwall of clutch release slave cylinder 8, be close contact, solenoid valve 5 is divided into a of upper chamber and lower chambers b by clutch release slave cylinder 8.Solenoid valve 5 inside are provided with a of upper chamber for being communicated with clutch release slave cylinder 8 and the damp channel of lower chambers b, as the passage of working medium, under the effect of control system c, solenoid valve 5 can damping adjusting passage aperture size, with the size of the working medium flow between a of upper chamber and the lower chambers b of adjusting clutch release slave cylinder 8, and then reach the object that regulates resistance of shock absorber, damping regulates easy, and this damper structure is simple, easy for installation.

Specifically, as shown in Figure 2, the solenoid valve 5 of this vibration damper comprises columniform valve body 5-21 and floating core 5-17, the center of valve body 5-21 is provided with the floating core through hole 5-13 that axially runs through whole valve body 5-21 along valve body 5-21, floating core 5-17 is arranged in floating core through hole 5-13 and floating core through hole 5-13 is divided into upper and lower two chambeies, the shape of the shape of floating core 5-17 and floating core through hole 5-13 matches, and the center position of floating core 5-17 is provided with the crosspassage 5-18(that laterally runs through on an edge, and this laterally refers to the axially vertical direction with valve body 5-21).Valve body 5-21 is provided with and from upper-end surface, starts the main damp channel 5-9 extending towards valve body 5-21 inside downwards and from lower end surface, start upwards towards the inner main damp channel 5-1 extending of valve body 5-21, main damp channel 5-1, 5-9 is distributed in the both sides of floating core through hole 5-13, between the epicoele of main damp channel 5-1 and floating core through hole 5-13, be provided with a little damping hole 5-3, between the cavity of resorption of main damp channel 5-1 and floating core through hole 5-13, be provided with a little damping hole 5-16, main damp channel 5-1 is communicated with little damping hole 5-3 and little damping hole 5-16, between the epicoele of main damp channel 5-9 and floating core through hole 5-13, be provided with a little damping hole 5-8, between the cavity of resorption of main damp channel 5-1 and floating core through hole 5-13, be provided with a little damping hole 5-11, main damp channel 5-9 is communicated with little damping hole 5-8 and little damping hole 5-11, main damp channel 5-1, the little damping hole 5-3 of aperture ratio of 5-9, 5-8, 5-11, the aperture of 5-16 is large.Between the epicoele of little damping hole 5-3 and floating core through hole 5-13, be provided with an one-way valve 5-4, between the cavity of resorption of little damping hole 5-16 and floating core through hole 5-13, be provided with an one-way valve 5-15, between the epicoele of little damping hole 5-8 and floating core through hole 5-13, be provided with an one-way valve 5-7, between the epicoele of little damping hole 5-11 and floating core through hole 5-13, be also provided with an one-way valve 5-12, at vibration damper in compression stroke, one-way valve 5-12, 5-7 can stop the working medium in floating core through hole 5-13 to enter main damp channel 5-9, at vibration damper in extension stroke, one-way valve 5-4, 5-15 can stop the working medium in floating core through hole 5-13 to enter in main damp channel 5-1.By a large damp channel 5-10, the medium position place on floating core through hole 5-13 is axial is communicated with floating core through hole 5-13 main damp channel 5-9, by another large damp channel 5-2, the medium position place on floating core through hole 5-13 is axial is communicated with floating core through hole 5-13 main damp channel 5-1, large damp channel 5-2, the little damping hole 5-3 of aperture ratio of 5-10, 5-7, 5-11, it is large that want in the aperture of 5-16, two large damp channel 5-2, 5-10 is coaxial, and the crosspassage 5-18 of floating core 5-17 and two large damp channel 5-2, the axis of 5-10 parallels, two main damp channel 5-1, between 5-9, can pass through large damp channel 5-2, crosspassage 5-18 and large damp channel 5-10 are connected, thereby can make a of upper chamber of clutch release slave cylinder 8 and lower chambers b be communicated with.Main damp channel 5-1, large damp channel 5-2, crosspassage 5-18, large damp channel 5-10 and main damp channel 5-9 form the damp channel of solenoid valve 5.Floating core 5-17 is to move up and down in floating core through hole 5-13, open-ended can the realization of the open-ended and crosspassage 5-18 of two large damp channel 5-2,5-10 partially overlaps or overlaps completely, it is circular through hole that two large damp channel 5-2,5-10 and crosspassage 5-18 are cross section, by the movement of floating core 5-17, can regulate the size of channel opening intersection, thereby aperture size that can damping adjusting passage, also just can change the size of the damping constant of vibration damper.When the open-ended and crosspassage 5-18 of two large damp channel 5-2,5-10 open-ended overlaps completely, the aperture maximum of damp channel.

In order to regulate the area of channel opening intersection, floating core 5-17 can move up and down in floating core through hole 5-13, on the upper-end surface of valve body 5-21 and lower end surface, being respectively provided with one in the position, aperture of floating core through hole 5-13 is the electromagnet being electrically connected with control system c, is electromagnet 5-6 on upper-end surface, is electromagnet 5-14 on lower end surface, the electric current that electromagnet 5-6 and 5-14 provide size to change by control system c, thereby electromagnet 5-6 and 5-14 can produce the attraction force varying in size to floating core 5-17, and then the position of change floating core 5-17 in floating core through hole 5-13, also just can regulate the size of channel opening intersection area, finally realize the electrodeless adjusting of resistance of shock absorber.

When four little damping hole 5-3,5-7,5-11,5-16 in solenoid valve 5 can make floating core 5-17 in vibration damper compression or uphold, keep the upper and lower end face pressure of floating core 5-17 to equate, maintain the invariant position of floating core 5-17 in floating core through hole 5-13.By one-way valve 5-4,5-7,5-12,5-15, enter the aperture outflow that the liquid in the upper and lower chamber of floating core through hole 5-13 arranges from the upper and lower end face of floating core 5-17 respectively, as shown in Figure 2, in the upper-end surface of floating core 5-17, be provided with one by the aperture of floating core through hole 5-13 epicoele and crosspassage 5-18 connection, in the lower end surface of floating core 5-17, be provided with one by the aperture of floating core through hole 5-13 cavity of resorption and crosspassage 5-18 connection.

In addition, in floating core through hole 5-13, the upper/lower terminal of floating core 5-17 is also respectively provided with spring 5-5, a 5-13, the upper end of spring 5-5 is connected on electromagnet 5-6, lower end is connected to the upper-end surface of floating core 5-17, the upper end of spring 5-13 is connected to the lower end surface of floating core 5-17, and lower end is connected on electromagnet 5-14.

As shown in Figure 2, the upper-end surface of valve body 5-21 is provided with spiral chute 5-19, the end of piston rod 4 inserts in upper spiral chute 5-19 with upper spiral chute 5-19 as being threaded, and is also provided with the shrinkage pool for the electromagnet 5-6 on fixed valve body 5-21 upper-end surface on the terminal surface of piston rod 4.Between piston rod 4 and the upper-end surface of valve body 5-21, be provided with a circulation valve block 13, circulation valve block 13 is for covering main damp channel 5-9, and piston rod 4 is provided with the shaft shoulder for axially locating, and circulation valve block 13 is fixed between the shaft shoulder and the upper-end surface of valve body 5-21.As shown in Figure 2, the lower end surface of valve body 5-21 is provided with lower spiral chute 5-20, and screw capping 15 inserts in lower spiral chute 5-20 with lower spiral chute 5-20 as being threaded, and is also provided with the shrinkage pool for the electromagnet 5-14 on fixed valve body 5-21 lower end surface on screw capping 15.The lower end of valve body 5-21 is provided with a recovery valve block 14, restores valve block 14 for covering main damp channel 5-1, restores valve block 14 and is fixedly clamped by the lower end surface of the step surface on screw capping 15 and valve body 5-21.The effect of circulation valve block 13 and recovery valve block 14 and structure are identical with prior art.

The control system c of vibration damper comprises sensor 1, ECU2(electronic control unit) and actuating device 3.This sensor 1 refers to the various sensors that are arranged on automobile, for extract the operating state signal of automobile when automobile running, sensor 1 is connected with ECU2 with actuating device 3, sensor 1 is passed to ECU2 by signal, ECU2 by the signal of receiving through processing and analyze after, by signal input actuating device 3 after treatment, actuating device 3 is converted into by signal the ac current signal that size of current is different and inputs to two electromagnet 5-6,5-14 in solenoid valve 5.

As shown in Figure 1, actuating device 3 is that the wire harness arranging in the endoporus by piston rod 4 is connected with solenoid valve 5.

The solenoid valve 5 of this vibration damper all can be worked under energising and outage condition, safe and effective.At control system c, control under solenoid valve 5 powering-off states, vibration damper can normally be worked, its damping size remains unchanged, at control system c, control in solenoid valve 5 energising situations, the damping of this vibration damper can realize electrodeless adjusting within the specific limits, and this vibration damper can have two kinds of mode of operations: power-down mode and powered-on mode.

The following is the working procedure of vibration damper under power-down mode:

Solenoid valve 55 is divided into a of upper chamber and two parts of lower chambers b by clutch release slave cylinder 8, the position of floating core 5-17 in solenoid valve 55 in floating core through hole 5-13 keeps fixing, crosspassage 5-18 in floating core 5-17 and the size that between damp channel 5-2 and 5-10, opening overlaps greatly, should the size of the damping under average operating determine according to vehicle shock absorber.

(1) when vibration damper is during in compressive state, liquid in lower chambers b passes through successively the main damp channel 5-1 → large damp channel 5-2 → crosspassage 5-18 → large damp channel 5-10 → main damp channel 5-9 → circulation valve block a of 13 → upper chamber in solenoid valve 5 after restoring valve block 14, due to piston rod 4, occupied a part of space of a of upper chamber simultaneously, the liquid that the unnecessary a of upper chamber of liquid reducing in lower chambers b increases, a part of liquid is pushed compression valve 7-3 open and is entered oil storage cylinder 6 through oil outlet 7-1; Liquid in lower chambers b pushes through damping hole 5-3 and 5-16 upper chamber and the lower chambers that one-way valve 5-4 and 5-15 enter respectively floating core through hole 5-13 open simultaneously, liquid has produced pressure to the upper and lower end face of floating core 5-17, two amount of force equate, opposite direction, so the position of the floating core 5-17 in solenoid valve 5 in floating core through hole 5-13 keeps fixing, thereby the compression damping coefficient of vibration damper is constant.

(2) when vibration damper is during in stretched condition, liquid in a of upper chamber passes through successively the main damp channel 5-9 → large damp channel 5-10 → crosspassage 5-18 → large damp channel 5-2 → main damp channel 5-1 → recovery valve block 14 → lower chambers b in solenoid valve 5 after circulation valve block 13, the volume simultaneously reducing due to a of upper chamber is less than the volume that lower chambers b increases, and a part of liquid is pushed recuperation valve 7-2 open through oil outlet 7-1 and entered lower chambers b; Liquid in a of upper chamber is pushed one-way valve 5-7,5-12 open and enters respectively simultaneously epicoele and the cavity of resorption of floating core through hole 5-13 through damping hole 5-8,5-11, liquid is to the upper and lower end face of the floating core 5-17 pressure that produced power, but two amount of force equate, opposite direction, so the position of the floating core 5-17 in solenoid valve 5 in floating core through hole 5-13 keeps fixing, thereby the extension damping constant of vibration damper is constant.

The following is the working procedure of vibration damper under powered-on mode:

(1) when vibration damper is during in compressive state, liquid in lower chambers b passes through successively the main damp channel 5-1 → large damp channel 5-2 → crosspassage 5-18 → large damp channel 5-10 → main damp channel 5-9 → circulation valve block a of 13 → upper chamber in solenoid valve 5 after restoring valve block 14, compression valve 7-3 opens simultaneously, partially liq in lower chambers b flows into oil storage cylinder 6, and the liquid in lower chambers b also passes through damping hole 5-3, 5-16 pushes one-way valve 5-4 open, 5-15 enters respectively epicoele and the cavity of resorption of floating core through hole 5-13, liquid has produced pressure to the upper and lower end face of floating core 5-17, but two amount of force equate, opposite direction, and be arranged on various sensors 1 on automobile and extract the motion state signal of automobile when automobile running, again signal is inputted in ECU2, ECU2 by the signal of receiving through processing and analyze after, by in signal input actuating device 3 after treatment, actuating device 3 is converted into by signal the ac current signal that size of current is different and inputs to electromagnet 5-14 and the 5-6 in solenoid valve 5, electromagnet 5-14 and 5-6 are changed to the gravitation of floating core 5-17, the position of floating core 5-17 in floating core through hole 5-13 changed, crosspassage 5-18 in floating core 5-17 is changed with the size of the area that between damp channel 5-2 and 5-10, opening overlaps greatly, thereby change the compression damping coefficient of vibration damper.

(2) when vibration damper is during in stretched condition, liquid in a of upper chamber passes through successively the main damp channel 5-9 → large damp channel 5-10 → crosspassage 5-18 → large damp channel 5-2 → main damp channel 5-1 → recovery valve block 14 → lower chambers b in solenoid valve 5 after circulation valve block 13, recuperation valve 7-2 opens simultaneously, partially liq in oil storage cylinder 6 flows into lower chambers b, and the liquid in a of upper chamber also passes through damping hole 5-8, 5-12 pushes one-way valve 5-7 open, 5-12 enters respectively epicoele and the cavity of resorption of floating core through hole 5-13, liquid has produced pressure to the upper and lower end face of floating core 5-17, but two amount of force equate, opposite direction.Sensor 1 extracts the motion state signal of automobile when automobile running, signal is after control chip ECU2, actuating device 3, with the different ac current signal of size of current, input to electromagnet 5-14 and the 5-6 in solenoid valve 5, electromagnet 5-14 and 5-6 are changed to the gravitation of floating core 5-17, the position of floating core 5-17 in floating core through hole 5-13 changed, crosspassage 5-18 in floating core 5-17 is changed with the size of the area that between damp channel 5-2 and 5-10, opening overlaps greatly, thereby change the extension damping constant of vibration damper.

By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technological scheme carry out; or without improving, design of the present utility model and technological scheme are directly applied to other occasion, all within protection domain of the present utility model.

Claims (9)

1. Damping-adjustable Shock Absorber, comprise oil storage cylinder, clutch release slave cylinder, piston rod, it is characterized in that: also comprise being positioned at the solenoid valve that is connected to described piston-rod end of described clutch release slave cylinder and the control being connected with solenoid valve it changing the control system of damping constant solenoid valve and clutch release slave cylinder close contact and clutch release slave cylinder is divided into upper and lower two chambers.
2. Damping-adjustable Shock Absorber according to claim 1, it is characterized in that: described solenoid valve comprises columniform valve body and the floating core that can move linearly up and down, the center of valve body is provided with the floating core through hole running through vertically, floating core is arranged in floating core through hole and floating core through hole is divided into, lower two chambers, on the upper-end surface of valve body and lower end surface, being respectively provided with one in the position, aperture of floating core through hole is the electromagnet being electrically connected with described control system, valve body is provided with respectively and starts from upper-end surface and lower end surface two main damp channels that extend towards valve inner, between two chambers of main damp channel and floating core through hole, be respectively provided with a little damping hole, in little damping hole, be provided with the one-way valve that stops working medium to enter main damp channel, two main damp channels are respectively communicated with floating core through hole by a large damp channel, two large damp channels are coaxial and are distributed in the both sides of floating core through hole, in floating core, be provided with the crosspassage that an edge is laterally run through, crosspassage parallels with the axis of large damp channel, the open-ended of the open-ended and crosspassage of two large damp channels can partially overlap or overlap completely, floating core upper, lower two ends are also provided with elastic element.
3. Damping-adjustable Shock Absorber according to claim 2, is characterized in that: the aperture of the little damping hole of aperture ratio of described main damp channel is large.
4. Damping-adjustable Shock Absorber according to claim 3, is characterized in that: between described piston rod and the upper-end surface of described valve body, be provided with circulation valve block, the lower end surface of valve body is provided with recovery valve block.
5. Damping-adjustable Shock Absorber according to claim 4, it is characterized in that: the upper-end surface of described valve body is provided with spiral chute, the end of described piston rod inserts in spiral chute and is threaded with spiral chute, is also provided with the shrinkage pool for the electromagnet on fixing described valve body upper-end surface on the terminal surface of piston rod.
6. Damping-adjustable Shock Absorber according to claim 5, it is characterized in that: described recovery valve block is fixed on described valve body by a screw capping, the lower end surface of valve body is provided with spiral chute, screw capping inserts in spiral chute and is threaded with spiral chute, is also provided with the shrinkage pool for the electromagnet on fixing described valve body lower end face on screw capping.
7. Damping-adjustable Shock Absorber according to claim 6, is characterized in that: described elastic element is spring, and spring one end is connected to electromagnet, and the other end is connected to the end face of floating core.
8. according to the arbitrary described Damping-adjustable Shock Absorber of claim 2 to 7, it is characterized in that: described control system comprises sensor, ECU and the actuating device for extracting motoring condition signal, sensor is connected with ECU with actuating device, sensor is passed to ECU by signal, ECU by the signal of receiving through processing and analyze after, by signal input actuating device after treatment, actuating device is converted into by signal the ac current signal that size of current is different and inputs to two electromagnet in solenoid valve.
9. Damping-adjustable Shock Absorber according to claim 8, is characterized in that: described actuating device is connected with described solenoid valve by the wire harness arranging in described piston rod.
CN201320629796.8U 2013-10-12 2013-10-12 Adjustable-damping shock absorber of automobile CN203548687U (en)

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CN103557261A (en) * 2013-10-12 2014-02-05 安徽工程大学 Automotive damping adjustable shock absorber
US9695900B2 (en) 2009-10-06 2017-07-04 Tenneco Automotive Operating Company Inc. Damper with digital valve
US9802456B2 (en) 2013-02-28 2017-10-31 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9879748B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Two position valve with face seal and pressure relief port
US9879746B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assemblies
US9884533B2 (en) 2013-02-28 2018-02-06 Tenneco Automotive Operating Company Inc. Autonomous control damper
US9925842B2 (en) 2013-02-28 2018-03-27 Tenneco Automotive Operating Company Inc. Valve switching controls for adjustable damper
CN107939891A (en) * 2016-11-18 2018-04-20 北京京西重工有限公司 Double mode hydraulic damper
CN109058357A (en) * 2018-08-31 2018-12-21 浙江森森汽车零部件有限公司 The damping vibration attenuation component of automobile hanging assembly
CN109114149A (en) * 2018-09-12 2019-01-01 杭州电子科技大学 A kind of milling train classification damping device
US10479160B2 (en) 2017-06-06 2019-11-19 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
US10588233B2 (en) 2017-06-06 2020-03-10 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier

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US9695900B2 (en) 2009-10-06 2017-07-04 Tenneco Automotive Operating Company Inc. Damper with digital valve
US9810282B2 (en) 2009-10-06 2017-11-07 Tenneco Automotive Operating Company Inc. Damper with digital valve
US10000104B2 (en) 2013-02-28 2018-06-19 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9802456B2 (en) 2013-02-28 2017-10-31 Tenneco Automotive Operating Company Inc. Damper with integrated electronics
US9884533B2 (en) 2013-02-28 2018-02-06 Tenneco Automotive Operating Company Inc. Autonomous control damper
US9925842B2 (en) 2013-02-28 2018-03-27 Tenneco Automotive Operating Company Inc. Valve switching controls for adjustable damper
US9879748B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Two position valve with face seal and pressure relief port
US9879746B2 (en) 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assemblies
CN103557261A (en) * 2013-10-12 2014-02-05 安徽工程大学 Automotive damping adjustable shock absorber
CN107939891A (en) * 2016-11-18 2018-04-20 北京京西重工有限公司 Double mode hydraulic damper
CN107939891B (en) * 2016-11-18 2019-11-12 北京京西重工有限公司 Hydraulic damper
US10393210B2 (en) 2016-11-18 2019-08-27 Beijingwest Industries Co., Ltd. Dual mode hydraulic damper
US10479160B2 (en) 2017-06-06 2019-11-19 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
US10588233B2 (en) 2017-06-06 2020-03-10 Tenneco Automotive Operating Company Inc. Damper with printed circuit board carrier
CN109058357A (en) * 2018-08-31 2018-12-21 浙江森森汽车零部件有限公司 The damping vibration attenuation component of automobile hanging assembly
CN109114149A (en) * 2018-09-12 2019-01-01 杭州电子科技大学 A kind of milling train classification damping device

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