CN105276065A - Shock absorber, vehicle suspension and vehicle - Google Patents

Shock absorber, vehicle suspension and vehicle Download PDF

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Publication number
CN105276065A
CN105276065A CN201410310789.0A CN201410310789A CN105276065A CN 105276065 A CN105276065 A CN 105276065A CN 201410310789 A CN201410310789 A CN 201410310789A CN 105276065 A CN105276065 A CN 105276065A
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China
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valve assembly
bottom valve
valve block
valve body
valve
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CN201410310789.0A
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CN105276065B (en
Inventor
丁都都
谷玉川
李奕宝
林家荣
雷芳
刘勇奎
陈伟斌
许阳钊
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Abstract

The invention provides a shock absorber, a vehicle suspension and a vehicle. The shock absorber comprises an oil storage tank, a working cylinder, a piston assembly arranged in the working cylinder, a piston rod, a cylinder base and a bottom valve assembly arranged on the cylinder base. One end of the piston rod is connected with the piston assembly. The piston assembly divides the working cylinder into an upper cavity and a lower cavity, the bottom valve assembly is arranged in the lower cavity, and the cylinder base is in sealing connection with the oil storage tank. The shock absorber is characterized in that the bottom valve assembly comprises a first bottom valve assembly body, a second bottom valve assembly body and a connecting rod; the second bottom valve assembly body is arranged on the cylinder base; the connecting rod is supported between the first bottom valve assembly body and the second bottom valve assembly body, so that a sub cavity is formed between the first bottom valve assembly body and the second bottom valve assembly body; damping force generated by the first bottom valve assembly body is smaller than damping force generated by the second bottom valve assembly body. The shock absorber enables the operating performance and the riding comfort of the vehicle to be both achieved.

Description

Vibration damper, vehicle suspension and vehicle
Technical field
The invention belongs to vehicle suspension system technical field, particularly relate to a kind of vibration damper, vehicle suspension and vehicle.
Background technique
Vibration damper is parts important in vehicle suspension system, plays a part buffering road shocks, decay suspension and vehicle body vibrations, directly affects the handling of vehicle and travelling comfort.The performance of vibration damper can be passed through F-V curve (damping force-velocity curve) and specifically quantize.
Usually, the damping force effect of vibration damper is mainly reflected in the damping force (damping force namely brought by piston can be ignored) that bottom valve brings, and when considering the damping force of vibration damper, usually damping force during compression stroke is only considered, thus, the performance of vibration damper is described by the damping force change of bottom valve in compression stroke of vibration damper usually.
The structure that existing vibration damper adopts is dual-tube shock absorber substantially.As shown in Figure 1, for existing a kind of dual-tube shock absorber, in this dual-tube shock absorber, damping force in compression stroke realizes (the F-V curve produced in bottom valve compression stroke is close to the F-V curve of shock absorbers compression stroke) primarily of a unique bottom valve assembly 1a in cylinder bottom portion, such structures shape bottom valve vibration damper piston 2a at a high speed or the damping force contributed of low-speed motion (it has been generally acknowledged that piston movement speed be low speed lower than 0.1m/s) reach unanimity; Namely, as shown in Figure 2 (in figure, dotted line and solid line respectively represent a kind of F-V curve of bottom valve when compression stroke of vibration damper), can find out, the damping force low speed of the bottom valve of the vibration damper represented by solid line is large, at a high speed also large (damping force namely during high speed is not mild), the damping force low speed of the bottom valve of the vibration damper represented by dotted line is little, at a high speed also little (damping force namely during high speed tends towards stability).The vehicle that the large high speed of damping force low speed of vibration damper is also large, its handling is good, but riding comfort is poor; The vehicle that the little high speed of damping force low speed of vibration damper is also little, its riding comfort is good, but handling is poor.
Visible, existing vibration damper, does not take into account handling and the riding comfort of vehicle well.
Summary of the invention
Technical problem to be solved by this invention does not take into account the handling of vehicle and the defect of riding comfort well for existing vibration damper, provides a kind of vibration damper.
It is as follows that the present invention solves the problems of the technologies described above adopted technological scheme:
A kind of vibration damper is provided, comprise oil storage cylinder, be arranged on the clutch release slave cylinder of described oil storage cylinder inside, be arranged on the piston assembly in described clutch release slave cylinder, the piston rod that one end is connected with described piston assembly, cylinder bottom seat and the bottom valve assembly be arranged on described cylinder bottom seat, described clutch release slave cylinder is divided into epicoele and cavity of resorption by described piston assembly, described bottom valve assembly is arranged in described cavity of resorption, described cylinder bottom seat and described oil storage cylinder are tightly connected, described bottom valve assembly comprises the first bottom valve assembly, second bottom valve assembly and connecting rod, described second bottom valve assembly is arranged on described cylinder bottom seat, described connecting rod is supported between described first bottom valve assembly and described second bottom valve assembly, to form sub-chamber between described first bottom valve assembly and described second bottom valve assembly, wherein, in the same compression stroke of described vibration damper, the damping force that described first bottom valve assembly produces is less than the damping force that described second bottom valve assembly produces.
Further, described first bottom valve assembly comprises the first valve block superposed successively, first compensates valve block, first valve body and first dams valve block, the middle part of described first valve block offers multiple first-class through hole, the middle part of described first compensation valve block and marginal position offer multiple first compensate opening and multiple first respectively and compensate breach, described first-class through hole is communicated with described first compensate opening, described first valve body comprises the first outer annular flanges being formed in marginal position and the first inner annular flange being formed in medium position, described first compensates valve block hides on described first outer annular flanges and described first inner annular flange, the first exocoel and the first inner chamber is formed to compensate between valve block and described first valve body described first, described first compensate opening and described first inner space, described first compensates breach is communicated with between described epicoele and described first exocoel, the position described first valve body corresponding to described first inner chamber and described first exocoel offers the first inner valve body opening and the first external valve body opening respectively, described first marginal position damming valve block offers first and to dam breach, described first dams breach connection between described sub-chamber and described first inner valve body opening, described first external valve body opening is directly communicated with described sub-chamber, described first valve body and described clutch release slave cylinder are tightly connected.
Further, described second bottom valve assembly comprises the second valve block superposed successively, second compensates valve block, second valve body, second dams valve block and high speed valve block, the middle part of described second valve block offers multiple second through hole, the middle part of described second compensation valve block and marginal position offer multiple second compensate opening and multiple second respectively and compensate breach, described second through hole is communicated with described second compensate opening, described second valve body comprises the second outer annular flanges being formed in marginal position and the second inner annular flange being formed in medium position, described second compensates valve block hides on described second outer annular flanges and described second inner annular flange, the second exocoel and the second inner chamber is formed to compensate between valve block and described second valve body described second, described second compensate opening and described second inner space, described second compensates breach is communicated with between described epicoele and described second exocoel, the position described second valve body corresponding to described second inner chamber and described second exocoel offers the second inner valve body opening and the second external valve body opening respectively, described second marginal position damming valve block offers second and to dam breach, described second dams breach connection between described oil storage cylinder and described second inner valve body opening, described second external valve body opening is directly communicated with described oil storage cylinder, described second valve body and described clutch release slave cylinder are tightly connected.
Further, described first bottom valve assembly is fixedly connected with described connecting rod, and described second bottom valve assembly is fixedly connected with described connecting rod.
Further, described first bottom valve assembly and described connecting rod are slidably connected, and described second bottom valve assembly is fixedly connected with described connecting rod, are provided with buffer unit between described first bottom valve assembly and described second bottom valve assembly.
Further, described buffer unit is spring.
Further, the top and bottom of described connecting rod pass described first valve block and described high speed valve block respectively, the top and bottom of described connecting rod are formed with outside thread respectively, and be threaded respectively the first nut and the second nut, be provided with the first pad between described first nut and described first valve block.
Further, described connecting rod is formed with ring protuberance, the lower end of described spring is connected to the upper-end surface of described ring protuberance, and described spring and described first dams between valve block and is provided with the second pad, and the upper end of described spring is connected on described second pad; Be provided with the 3rd pad between the lower end surface of described ring protuberance and described second valve block, described second dams between valve block and described second nut is provided with the 4th pad.
According to vibration damper of the present invention, bottom valve assembly has the first bottom valve assembly and the second bottom valve assembly, and the damping force size of the first bottom valve assembly and the second bottom valve assembly is set to, in the same compression stroke of described vibration damper, the damping force that described first bottom valve assembly produces is less than the damping force that described second bottom valve assembly produces, like this, be equivalent to, first bottom valve assembly provides the Low speed damping force less than the second bottom valve assembly, and than the second bottom valve assembly more mild high-speed damping power, finally, the result that first bottom valve assembly and the second bottom valve assembly synthesize is, this vibration damper (road surface fluctuating quantity is less) when piston low-speed motion is made to have slightly large damping force, and (road surface fluctuating quantity is larger) has mild damping force when high speed piston moves, because high damping force during low speed is conducive to vehicle performance performance, mild damping force during high speed is then conducive to riding comfort, thus, above-mentioned vibration damper can take into account handling and the riding comfort of vehicle.Like this, both ensure that the safety of rider, the riding comfort of rider can have been ensured again.
In addition, present invention also offers a kind of vehicle suspension, it comprises above-mentioned vibration damper.
In addition, present invention also offers a kind of vehicle, it comprises above-mentioned vibration damper.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of vibration damper;
Fig. 2 is the F-V curve of its two kinds of forms of vibration damper of structure shown in Fig. 1;
Fig. 3 is the internal structure schematic diagram of the vibration damper that one embodiment of the invention provides;
Fig. 4 is the structural representation of its bottom valve assembly of vibration damper that one embodiment of the invention provides;
Fig. 5 is the component exploded view of its bottom valve assembly of vibration damper that one embodiment of the invention provides;
Fig. 6 is the structural representation of its first valve body of vibration damper that one embodiment of the invention provides;
Fig. 7 is the structural representation of its second valve body of vibration damper that one embodiment of the invention provides;
Fig. 8 is the F-V curve of the vibration damper that one embodiment of the invention provides.
Reference character in Figure of description is as follows:
1, oil storage cylinder; 2, clutch release slave cylinder; 21, epicoele; 22, cavity of resorption; 23, sub-chamber; 3, piston assembly; 4, piston rod; 5, cylinder bottom seat; 6, the first bottom valve assembly; 61, the first valve block; 611, first-class through hole; 62, first valve block is compensated; 621, the first compensate opening; 622, first breach is compensated; 63, the first valve body; 631, the first outer annular flanges; 632, the first inner annular flange; 633, the first inner valve body opening; 634, the first external valve body opening; 64, first dams valve block; 641, first dams breach; 7, the second bottom valve assembly; 71, the second valve block; 711, second through hole; 72, second valve block is compensated; 721, the second compensate opening; 722, second breach is compensated; 73, the second valve body; 731, the second outer annular flanges; 732, the second inner annular flange; 733, the second inner valve body opening; 734, the second external valve body opening; 74, second dams valve block; 741, second dams breach; 75, high speed valve block; 8, connecting rod; 81, ring protuberance; 91, the first exocoel; 92, the first inner chamber; 101, the second exocoel; 102, the second inner chamber; 10, buffer unit (spring); 20, the first nut; 30, the second nut; 40, the first pad; 50, the second pad; 60, the 3rd pad; 70, the 4th pad.
Embodiment
In order to make technical problem solved by the invention, technological scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figures 3 to 8, the vibration damper that one embodiment of the invention provides, comprise oil storage cylinder 1, be arranged on the clutch release slave cylinder 2 of described oil storage cylinder 1 inside, be arranged on the piston assembly 3 in described clutch release slave cylinder 2, the piston rod 4 that one end is connected with described piston assembly 3, cylinder bottom seat 5 and the bottom valve assembly be arranged on described cylinder bottom seat 5, described clutch release slave cylinder 2 is divided into epicoele 21 and cavity of resorption 22 by described piston assembly 3, described bottom valve assembly is arranged in described cavity of resorption 22, described cylinder bottom seat 5 is tightly connected with described oil storage cylinder 1, described bottom valve assembly comprises the first bottom valve assembly 6, second bottom valve assembly 7 and connecting rod 8, described second bottom valve assembly 7 is arranged on described cylinder bottom seat 5, described connecting rod 8 is supported between described first bottom valve assembly 6 and described second bottom valve assembly 7, to form sub-chamber 23 between described first bottom valve assembly 6 and described second bottom valve assembly 7, changed by the damping force of the first bottom valve assembly 6 and the second bottom valve assembly 7 described in appropriate design, make in the same compression stroke of described vibration damper, the damping force that described first bottom valve assembly 6 produces is less than the damping force 7 that described second bottom valve assembly produces.That is, as shown in Figure 8, the damping force-velocity curve S1 that described first bottom valve assembly 6 produces is positioned on the damping force-velocity curve S2 that described second bottom valve assembly 7 produces.Finally, the resultant curve of described damping force-velocity curve S1 and described damping force-velocity curve S2 is the damping force-velocity curve S3 in figure.As can be drawn from Figure 8, synthesize the damping force-velocity curve S3 obtained and (it has been generally acknowledged that piston movement speed is low speed lower than 0.1m/s) compared to curve S 1 and curve S 2 when low speed, in same compression stroke, damping force is larger, thus meets the handling of vehicle; And, compared to curve S 1 and curve S 2, damping force increases to some extent (to it has been generally acknowledged that piston movement speed is greater than 0.1m/s for high speed) when high speed, but, still relatively milder, thus still can meet the requirement of riding comfort.
In the present embodiment, as shown in Figure 3, described cylinder bottom seat 5 is welded on the bottom of described oil storage cylinder 1, is tightly connected with described oil storage cylinder 1 to realize described cylinder bottom seat 5.
In the present embodiment, as shown in Figures 4 to 6, described first bottom valve assembly 6 comprises the first valve block 61 superposed successively, first compensates valve block 62, first valve body 63 and first dams valve block 64, the middle part of described first valve block 61 offers multiple first-class through hole 611, the middle part of described first compensation valve block 62 and marginal position offer multiple first compensate opening 621 and multiple first respectively and compensate breach 622, described first-class through hole 611 is communicated with described first compensate opening 621, described first valve body 63 comprises the first outer annular flanges 631 being formed in marginal position and the first inner annular flange 632 being formed in medium position, described first compensates valve block 62 hides on described first outer annular flanges 631 and described first inner annular flange 632, the first exocoel 91 and the first inner chamber 92 is formed to compensate between valve block 62 and described first valve body 63 described first, described first compensate opening is communicated with described first inner chamber 92, described first compensates breach 622 is communicated with between described epicoele 21 and described first exocoel 91, the position described first valve body 63 corresponding to described first inner chamber 92 and described first exocoel 91 offers the first inner valve body opening 631 and the first external valve body opening 634 respectively, described first marginal position damming valve block 64 offers first and to dam breach 641, described first breach 641 that dams is communicated with between described sub-chamber 23 and described first inner valve body opening 633, described first external valve body opening 634 is directly communicated with described sub-chamber 23, described first valve body 63 is tightly connected with described clutch release slave cylinder.
Preferably, the peripheral part of the first valve body 63 is provided with seal groove, sheathed seal ring on seal groove, is tightly connected with described clutch release slave cylinder to realize described first valve body 63.
In the present embodiment, as Fig. 4, shown in Fig. 5 and Fig. 7, described second bottom valve assembly 7 comprises the second valve block 71 superposed successively, second compensates valve block 72, second valve body 73, second dams valve block 74 and high speed valve block 75, the middle part of described second valve block 71 offers multiple second through hole 711, the middle part of described second compensation valve block 72 and marginal position offer multiple second compensate opening 721 and multiple second respectively and compensate breach 722, described second through hole 711 is communicated with described second compensate opening 721, described second valve body 73 comprises the second outer annular flanges 731 being formed in marginal position and the second inner annular flange 732 being formed in medium position, described second compensates valve block 72 hides on described second outer annular flanges 731 and described second inner annular flange 732, the second exocoel 101 and the second inner chamber 102 is formed to compensate between valve block 72 and described second valve body 73 described second, described second compensate opening 721 is communicated with described second inner chamber 102, described second compensates breach 722 is communicated with between described epicoele 21 and described second exocoel 101, the position described second valve body 73 corresponding to described second inner chamber 102 and described second exocoel 101 offers the second inner valve body opening 733 and the second external valve body opening 734 respectively, described second marginal position damming valve block 74 offers second and to dam breach 741, described second breach 741 that dams is communicated with between described oil storage cylinder 1 and described second inner valve body opening 733, described second external valve body opening 734 is directly communicated with described oil storage cylinder 1, described second valve body 73 is tightly connected with described clutch release slave cylinder 2.
In the present embodiment, the quantity of high speed valve block 75, according to different needs, can be one or more pieces.In the embodiment shown in fig. 3, high speed valve block 75 is two panels.In low speed compression stroke, high speed valve block 75 covers second second of the valve block 74 that dams vertically and to dam breach 741 (the second side of damming breach 741 is unlimited), and now, hydraulic oil flows into oil storage cylinder 1 from the side that second dams breach 741; In high speed compression stroke, so a large amount of hydraulic oil can not be flowed out in the second side of damming breach 741, and thus hydraulic oil can make the edge of high speed valve block 75 bend, and flows into oil storage cylinder 1 rapidly to make more hydraulic oil.
In the present embodiment, from structure, the difference of the first bottom valve assembly 6 and the second bottom valve assembly 7 is, the second bottom valve assembly more than 7 high speed valve block 75.Like this, can realize in the same compression stroke of described vibration damper, the damping force that described first bottom valve assembly 6 produces is less than damping force this purpose that described second bottom valve assembly 7 produces.
The above realizes from structure damping force that described first bottom valve assembly produces to be less than damping force this purpose that described second bottom valve assembly produces.Certainly, in other embodiments, may also be the internal flow path shape, size etc. of change first bottom valve assembly and/or the two the first bottom valve assemblies because usually realizing same object.
In the present embodiment, as shown in Figure 3, the peripheral part of the second valve body 73 is provided with the step coordinated with the bottom of clutch release slave cylinder 2, is tightly connected with described clutch release slave cylinder 2 to realize described second valve body 73.
In the present embodiment, described first bottom valve assembly 6 is slidably connected with described connecting rod 8, and described second bottom valve assembly 7 is fixedly connected with described connecting rod 8, is provided with buffer unit 10 between described first bottom valve assembly 6 and described second bottom valve assembly 7.The effect of buffer unit 10 is decay damping forces, like this, in the high speed compression stroke of vibration damper, first bottom valve assembly 6 can the less distance of relatively described connecting rod 8 slippage one, buffer unit 10 can absorb a part of damping force, and the first bottom valve assembly 6 damping force is at high speeds tended towards stability.
In the present embodiment, preferably, described buffer unit 10 is spring.The top and bottom of described connecting rod 8 pass described first valve block 61 and described high speed valve block 75 respectively, the top and bottom of described connecting rod 8 are formed with outside thread respectively, and first nut 20 and the second nut 30 that be threaded respectively, be provided with the first pad 40 between described first nut 20 and described first valve block 61.Described connecting rod 8 is formed with ring protuberance 81, the lower end of described spring 10 is connected to the upper-end surface of described ring protuberance 81, described spring 10 and described first dams between valve block 64 and is provided with the second pad 50, and the upper end of described spring 10 is connected on described second pad 50; Be provided with the 3rd pad 60 between the lower end surface of described ring protuberance 81 and described second valve block 71, described second dams between valve block 74 and described second nut 30 is provided with the 4th pad 70.
Vibration damper according to the above embodiment of the present invention, bottom valve assembly has the first bottom valve assembly and the second bottom valve assembly, and the damping force size of the first bottom valve assembly and the second bottom valve assembly is set to, in the same compression stroke of described vibration damper, the damping force that described first bottom valve assembly produces is less than the damping force that described second bottom valve assembly produces, like this, be equivalent to, first bottom valve assembly provides the Low speed damping force less than the second bottom valve assembly, and than the second bottom valve assembly more mild high-speed damping power, finally, the result that first bottom valve assembly and the second bottom valve assembly synthesize is, this vibration damper (road surface fluctuating quantity is less) when piston low-speed motion is made to have slightly large damping force, and (road surface fluctuating quantity is larger) has mild damping force when high speed piston moves, because high damping force during low speed is conducive to vehicle performance performance, mild damping force during high speed is then conducive to riding comfort, thus, above-mentioned vibration damper can take into account handling and the riding comfort of vehicle.Like this, both ensure that the safety of rider, the riding comfort of rider can have been ensured again.
Certainly, in other embodiments, also can be that described first bottom valve assembly 6 is fixedly connected with described connecting rod 8, described second bottom valve assembly 7 be fixedly connected with described connecting rod 8.Like this, the structure of bottom valve assembly can be simplified.But relative to the embodiment shown in Fig. 3, the first bottom valve assembly 6 damping force is at high speeds larger a little.
In addition, one embodiment of the invention additionally provides a kind of vehicle suspension, and it comprises above-mentioned vibration damper.
In addition, one embodiment of the invention additionally provides a kind of vehicle, and it comprises above-mentioned vibration damper.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a vibration damper, comprise oil storage cylinder, be arranged on the clutch release slave cylinder of described oil storage cylinder inside, be arranged on the piston assembly in described clutch release slave cylinder, the piston rod that one end is connected with described piston assembly, cylinder bottom seat and the bottom valve assembly be arranged on described cylinder bottom seat, described clutch release slave cylinder is divided into epicoele and cavity of resorption by described piston assembly, described bottom valve assembly is arranged in described cavity of resorption, described cylinder bottom seat and described oil storage cylinder are tightly connected, it is characterized in that, described bottom valve assembly comprises the first bottom valve assembly, second bottom valve assembly and connecting rod, described second bottom valve assembly is arranged on described cylinder bottom seat, described connecting rod is supported between described first bottom valve assembly and described second bottom valve assembly, to form sub-chamber between described first bottom valve assembly and described second bottom valve assembly, wherein,
In the same compression stroke of described vibration damper, the damping force that described first bottom valve assembly produces is less than the damping force that described second bottom valve assembly produces.
2. vibration damper according to claim 1, it is characterized in that, described first bottom valve assembly comprises the first valve block superposed successively, first compensates valve block, first valve body and first dams valve block, the middle part of described first valve block offers multiple first-class through hole, the middle part of described first compensation valve block and marginal position offer multiple first compensate opening and multiple first respectively and compensate breach, described first-class through hole is communicated with described first compensate opening, described first valve body comprises the first outer annular flanges being formed in marginal position and the first inner annular flange being formed in medium position, described first compensates valve block hides on described first outer annular flanges and described first inner annular flange, the first exocoel and the first inner chamber is formed to compensate between valve block and described first valve body described first, described first compensate opening and described first inner space, described first compensates breach is communicated with between described epicoele and described first exocoel, the position described first valve body corresponding to described first inner chamber and described first exocoel offers the first inner valve body opening and the first external valve body opening respectively, described first marginal position damming valve block offers first and to dam breach, described first dams breach connection between described sub-chamber and described first inner valve body opening, described first external valve body opening is directly communicated with described sub-chamber, described first valve body and described clutch release slave cylinder are tightly connected.
3. vibration damper according to claim 2, it is characterized in that, described second bottom valve assembly comprises the second valve block superposed successively, second compensates valve block, second valve body, second dams valve block and high speed valve block, the middle part of described second valve block offers multiple second through hole, the middle part of described second compensation valve block and marginal position offer multiple second compensate opening and multiple second respectively and compensate breach, described second through hole is communicated with described second compensate opening, described second valve body comprises the second outer annular flanges being formed in marginal position and the second inner annular flange being formed in medium position, described second compensates valve block hides on described second outer annular flanges and described second inner annular flange, the second exocoel and the second inner chamber is formed to compensate between valve block and described second valve body described second, described second compensate opening and described second inner space, described second compensates breach is communicated with between described epicoele and described second exocoel, the position described second valve body corresponding to described second inner chamber and described second exocoel offers the second inner valve body opening and the second external valve body opening respectively, described second marginal position damming valve block offers second and to dam breach, described second dams breach connection between described oil storage cylinder and described second inner valve body opening, described second external valve body opening is directly communicated with described oil storage cylinder, described second valve body and described clutch release slave cylinder are tightly connected.
4. vibration damper according to claim 3, is characterized in that, described first bottom valve assembly is fixedly connected with described connecting rod, and described second bottom valve assembly is fixedly connected with described connecting rod.
5. vibration damper according to claim 3, it is characterized in that, described first bottom valve assembly and described connecting rod are slidably connected, and described second bottom valve assembly is fixedly connected with described connecting rod, are provided with buffer unit between described first bottom valve assembly and described second bottom valve assembly.
6. vibration damper according to claim 5, is characterized in that, described buffer unit is spring.
7. vibration damper according to claim 6, it is characterized in that, the top and bottom of described connecting rod pass described first valve block and described high speed valve block respectively, the top and bottom of described connecting rod are formed with outside thread respectively, and be threaded respectively the first nut and the second nut, be provided with the first pad between described first nut and described first valve block.
8. vibration damper according to claim 7, it is characterized in that, described connecting rod is formed with ring protuberance, the lower end of described spring is connected to the upper-end surface of described ring protuberance, described spring and described first dams between valve block and is provided with the second pad, and the upper end of described spring is connected on described second pad; Be provided with the 3rd pad between the lower end surface of described ring protuberance and described second valve block, described second dams between valve block and described second nut is provided with the 4th pad.
9. a vehicle suspension, is characterized in that, comprises the vibration damper described in claim 1-8 any one.
10. a vehicle, is characterized in that, comprises the vibration damper described in claim 1-8 any one.
CN201410310789.0A 2014-07-01 2014-07-01 Shock absorber, vehicle suspension and vehicle Active CN105276065B (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN112797104A (en) * 2021-02-03 2021-05-14 四川宁江山川机械有限责任公司 Micro-amplitude response structure and shock absorber

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JPH0324334A (en) * 1989-06-20 1991-02-01 Kayaba Ind Co Ltd Damping valve of hydraulic shock absorber
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EP1906046A1 (en) * 2006-09-28 2008-04-02 Kayaba Industry Co., Ltd. Base valve mechanism for shock absorber
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JPH0324334A (en) * 1989-06-20 1991-02-01 Kayaba Ind Co Ltd Damping valve of hydraulic shock absorber
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