CN102278406B - Absorber for adjusting damping force - Google Patents
Absorber for adjusting damping force Download PDFInfo
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- CN102278406B CN102278406B CN 201110165445 CN201110165445A CN102278406B CN 102278406 B CN102278406 B CN 102278406B CN 201110165445 CN201110165445 CN 201110165445 CN 201110165445 A CN201110165445 A CN 201110165445A CN 102278406 B CN102278406 B CN 102278406B
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- damping
- rod
- valve
- absorber
- rotary valve
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Abstract
The invention discloses an absorber for adjusting a damping force. The absorber provided by the invention comprises an upper rings, an absorber spring, a working cylinder, a solution-storing tank, and an absorber piston assembly with adjustable damping force, wherein one end of the absorber piston assembly is connected with the upper rings, and the other end of the absorber piston assembly is connected with the working cylinder; the absorber piston assembly comprises a hollow piston rod and a piston valve assembly which is stretched into the working cylinder, the upper end of the hollow piston rod is mutually connected with the upper rings, and the lower end of the hollow piston rod is mutually connected with the piston valve assembly; the lower part of the hollow piston rod is provided with a radial ostiole of the upper cavity and lower cavity of the working cylinder which is communicated with a center hole, the center hole is provided with a moving valve rod, and a damping adjusting rotating valve is arranged in the rings and used for pushing the moving valve rod so as to adjust the opening of the radial ostiole; the technical scheme is adopted, the moving valve rod is taken as a control executive device, and a damping adjusting knob is rotated so as to adjust the work damping of the absorber; the absorber provided by the invention has the advantages of simple damping adjustment, simple structure, and no needing a complicated sensor or an electronic component, low addition cost, and convenience in application and popularization.
Description
Technical field
The invention belongs to the technical field that auto parts and components are made, specifically, the present invention relates to a kind of mainly as the adjustable vibration damper of the damping force of vibration damping equipment in vehicle suspension system.
Background technique
Vibration damper is an important spare part on automobile, and the quality of its performance directly has influence on travelling comfort, control stability and the Security of automobile.Current, what passive suspension adopted usually is common double-cylinder hydraulic damper, because its damping is non-adjustable, so can according to the damping characteristic of road conditions, running conditions of vehicle or carrying capacity adjustable suspension system, reach desirable effectiveness in vibration suppression and control stability.
For this reason, various electric suspension systems arise at the historic moment, and electronic controlled suspension not only can be isolated road vibration well, and can control body movement, and adjustable car height degree.Although can obtain more satisfactory vibration isolating effect by electronic controlled suspension, but the control gear of electronic controlled suspension is located at the outside of vibration damper, make design complicated, energy consumption is large, manufacture cost is high, complex structure, also is difficult at present commercially obtain large-scale promotion and application.
Summary of the invention
Problem to be solved by this invention is to provide a kind of simple in structure, with low cost and regulate the adjustable vibration damper of damping force that effective automobile suspension system is used, so that vehicle better, more adapts to the excitation on different road surfaces, improve travelling comfort, the handling and Security of vehicle.
in order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: the vibration damper that a kind of damping force is adjustable, comprise upper rings, damper spring, clutch release slave cylinder and stock solution tube, it is characterized in that: also comprise what an end was connected with described upper rings, the damper piston assembly that the other end is adjustable with the damping force that described clutch release slave cylinder is connected, this damper piston assembly comprises a hollow piston rod and stretches into the interior piston valve assembly of described clutch release slave cylinder, the upper end of described hollow piston rod is connected with described upper rings, the lower end is connected with described piston valve assembly, be provided with the radial hole that is communicated with clutch release slave cylinder epicoele and cavity of resorption that connects with its center hole in the bottom of described hollow piston rod, be provided with one and move valve rod in described center hole, be provided with in described upper rings promote described mobile valve rod with the opening of regulating described radial hole damping regulate rotary valve.
Described damping is regulated rotary valve and is acted on mutually with described mobile valve rod by a push rod that is located in described center hole, the end that described damping adjusting rotary valve is connected with described push rod is the cam type structure, evenly be provided with a plurality of gear fixed grooves on the external peripheral surface of described damping adjusting rotary valve, be provided with steel ball I in this gear fixed groove.
The end of the close described radial hole of described mobile valve rod is cone structure.
Be sphere-contact between described push rod and mobile valve rod both ends of the surface.
Be provided with a steel ball II between described push rod and mobile valve rod both ends of the surface.
Described damping is regulated between rotary valve and described push rod and is contacted for putting a face, and described push rod and mobile valve rod and described hollow piston rod are one group of mating plate.
Described piston valve assembly is fixedly connected with by hollow screw with described hollow piston rod, and this hollow screw is coaxial with described hollow piston rod.
Described damping is regulated rotary valve and is located in the valve opening of described upper rings, and damping is regulated rotary valve one end and stretched out outside described valve opening, and is provided with at this end the damping adjusting knob that is fixedly connected with by attachment screw with damping adjusting rotary valve.
The present invention adopts technique scheme, by adopting the adjustable damper piston assembly of damping force to reach the adjustable purpose of absorber damping force, mobile valve rod is as controlling actuating device, the rotary damping adjusting knob is regulated the work damping of vibration damper, damping is regulated easy, simple in structure, can with the dissimilar automobile of vibration damper coupling of specification of the same race, increase the versatility of vibration damper; Can regulate resistance of shock absorber or street rod when dispatching from the factory according to the individual requirement of different user, to adapt to the different consumer groups' requirement; Can come damping adjusting according to road surface situation, vehicle-mounted heavy and speed of operation, so that the effectiveness in vibration suppression of vehicle reaches best, improve vehicle ride comfort; The present invention does not need complicated sensor or electronic component, simple in structure, there is no complicated electric controller, fringe cost is low, reliable operation, manufacturing, maintenance difficulty all are not more than traditional passive suspension shock-absorber, can also convert on the nonadjustable common vibration damper of existing damping basis, be convenient to the engineering application.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that rotary valve is regulated in damping of the present invention;
Fig. 3 is that A-A in Fig. 2 is to structural representation;
Mark in above-mentioned figure is: 1, upper rings; 2, upper spring seat; 3, cushion rubber bumper; 4, hollow piston rod; 5, steel ball II; 6, piston valve assembly; 7, clutch release slave cylinder; 8, base; 9, locking nut; 10, lower spring cup; 11, damper spring; 12, mobile valve rod; 13, push rod; 14, damping adjusting knob; 15, rotary valve is regulated in damping; 16, gear fixed groove; 17, cam type structure.
Embodiment
As shown in Figure 1, the vibration damper that a kind of damping force of the present invention is adjustable, comprise upper rings 1, base 8, damper spring 11, be full of the adjustable damper piston assembly of clutch release slave cylinder 7, stock solution tube and damping force of vibration damping fluid, this damper piston assembly one end is connected with upper rings 1, and the other end is connected with clutch release slave cylinder 7.Annexation between remaining part is identical with the vibration damper of prior art, and upper rings 1 is connected with automobile frame, and clutch release slave cylinder 7 is loaded in stock solution tube, and compresses by seal ring and guide holder with nut, and the base 8 that is connected with automotive axle is located at the lower end of stock solution tube.Damper spring 11 is enclosed within on stock solution tube, is respectively equipped with upper spring seat 2 and lower spring cup 10 at the two ends of vibration damper, and by locking nut 9 lockings.
The damper piston assembly that damping force of the present invention is adjustable comprises piston valve assembly 6 and the hollow piston rod 4 that stretches in clutch release slave cylinder 7, the upper end of hollow piston rod 4 is connected with the upper rings of vibration damper 1, and be provided with cushion rubber bumper 3 between them, the seal arrangement that clutch release slave cylinder 7 is passed in the lower end of hollow piston rod 4 stretches in clutch release slave cylinder 7 and is connected with piston valve assembly 6, piston valve assembly 6 is fixedly connected with by hollow screw with hollow piston rod 4, and this hollow screw is coaxial with hollow piston rod 4.Be provided with the radial hole that is communicated with clutch release slave cylinder 7 epicoeles and cavity of resorption that connects with its center hole in the bottom of hollow piston rod 4, be provided with one and move valve rod 12 in center hole, the end of the close radial hole of mobile valve rod 12 is cone structure, be provided with in upper rings 1 promote mobile valve rod 12 with the opening of regulating radial hole damping regulate rotary valve 15, damping is regulated rotary valve 15 and is acted on mutually with mobile valve rod 12 by a push rod 13 that is located in center hole.Push rod 13 and mobile valve rod 12 are one group of mating plate with hollow piston rod 4, and sealing is tight, has guaranteed the accurate control of flow, have improved the degree of accuracy that resistance of shock absorber is regulated.
be provided with on vibration damper upper rings 1 valve opening that rotary valve 15 is regulated in damping is installed, damping is regulated rotary valve 15 1 ends and is stretched out outside valve opening, and be provided with damping at this end and regulate the damping adjusting knob 14 that rotary valve 15 is fixedly connected with by attachment screw, as Fig. 2, shown in Figure 3, regulate the external peripheral surface of rotary valve 15 along evenly being provided with a plurality of gear fixed grooves 16 on its circumferencial direction in damping, the number of groove is set as required, a groove represents a regulation stall, be provided with steel ball I in this gear fixed groove 16, and withstand by the Compress Spring in upper rings 1, the spring lower end is provided with screw, screw is fixed in screw hole on upper rings 1.The end that rotary valve 15 is regulated in damping is cam type structure 17, and damping is regulated rotary valve 15 and is connected with push rod 13 at this end, and the upper end of push rod 13 is tapered, and regulating between rotary valve and push rod 13 is a face contacts.
It is sphere-contact between the both ends of the surface of push rod 13 and mobile valve rod 12.As shown in Figure 1, be provided with a steel ball II 5 between push rod 13 and mobile valve rod 12, when vibration damper is worked, be the contact of some face between the end face of steel ball II 5 and push rod 13, mobile valve rod 12, the effect of steel ball II 5 is to make push rod 13 and mobile valve rod 12 have good adaptivity in moving process, mobile valve rod 12 is had good in disposition, make itself and piston valve assembly 6 no-floats, guarantee the accuracy that damping force is regulated.In addition, also can one of them be made as sphere with push rod 13 and the contacted both ends of the surface of mobile valve rod 12.
when the present invention works, being with dynamic damping to regulate rotary valve 15 by rotary damping adjusting knob 14 rotates, and then moved axially in hollow piston rod 4 by cam type structure 17 push levers and the mobile valve rod 12 of damping adjusting rotary valve 15 front ends, the cone structure of mobile valve rod 12 lower ends coordinates with radial hole and the hollow screw of hollow piston rod 4 lower ends, form the passage of fluid, the epicoele and the cavity of resorption that are communicated with shock absorber working cylinder 7, control the opening of radial hole by mobile valve rod 12, to regulate the size of the fluid flow between shock absorber working cylinder 7 cavity of resorptions and epicoele, and then reach the purpose of regulating resistance of shock absorber, damping is regulated easy, simple in structure, can be with the dissimilar automobile of vibration damper coupling of specification of the same race, increased the versatility of vibration damper, can be according to the individual requirement of different user, regulate resistance of shock absorber or street rod when dispatching from the factory, to adapt to the different consumer groups' requirement, can be according to the road surface situation, vehicle-mounted heavy and speed of operation comes damping adjusting, so that the effectiveness in vibration suppression of vehicle reaches best, improve vehicle ride comfort, and do not need complicated sensor or electronic component, there is no complicated electric controller, fringe cost is low, reliable operation, make, maintenance difficulty all is not more than traditional passive suspension shock-absorber, can also convert on the nonadjustable common vibration damper of existing damping basis, be convenient to the engineering application.
The above is exemplarily described the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technological scheme carry out; or without improving, design of the present invention and technological scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (4)
1. vibration damper that damping force is adjustable, comprise upper rings (1), damper spring (11), clutch release slave cylinder (7) and stock solution tube, it is characterized in that: also comprise what an end was connected with described upper rings (1), the damper piston assembly that the other end is adjustable with the damping force that described clutch release slave cylinder (7) is connected, this damper piston assembly comprises a hollow piston rod (4) and stretches into the interior piston valve assembly (6) of described clutch release slave cylinder (7), the upper end of described hollow piston rod (4) is connected with described upper rings (1), the lower end is connected with described piston valve assembly (6), be provided with the radial hole that is communicated with clutch release slave cylinder (7) epicoele and cavity of resorption that connects with its center hole in the bottom of described hollow piston rod (4), be provided with one and move valve rod (12) in described center hole, be provided with in described upper rings (1) promote described mobile valve rod (12) with the opening of regulating described radial hole damping regulate rotary valve (15),
Described damping is regulated rotary valve (15) and is acted on mutually with described mobile valve rod (12) by a push rod (13) that is located in described center hole, the end that described damping adjusting rotary valve (15) is connected with described push rod (13) is cam type structure (17), evenly be provided with a plurality of gear fixed grooves (16) on the external peripheral surface of described damping adjusting rotary valve (15), be provided with the steel ball I in this gear fixed groove (16), and withstand by the Compress Spring in upper rings (1);
The end of the close described radial hole of described mobile valve rod (12) is cone structure;
Be provided with a steel ball II (5) between described push rod (13) and described mobile valve rod (12) both ends of the surface, when vibration damper is worked, be the contact of some face between the end face of steel ball II (5) and push rod (13), mobile valve rod (12).
2. the adjustable vibration damper of damping force according to claim 1, it is characterized in that: described damping is regulated between rotary valve (15) and described push rod (13) as a some face contacts, and described push rod (13) and mobile valve rod (12) and described hollow piston rod (4) are one group of mating plate.
3. the adjustable vibration damper of damping force according to claim 2, it is characterized in that: described piston valve assembly (6) is fixedly connected with by hollow screw with described hollow piston rod (4), and this hollow screw is coaxial with described hollow piston rod (4).
4. the adjustable vibration damper of damping force according to claim 3, it is characterized in that: described damping is regulated rotary valve (15) and is located in the valve opening of described upper rings (1), damping is regulated rotary valve (15) one ends and is stretched out outside described valve opening, and is provided with at this end the damping adjusting knob (14) that is fixedly connected with by attachment screw with damping adjusting rotary valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110165445 CN102278406B (en) | 2011-06-20 | 2011-06-20 | Absorber for adjusting damping force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110165445 CN102278406B (en) | 2011-06-20 | 2011-06-20 | Absorber for adjusting damping force |
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| Publication Number | Publication Date |
|---|---|
| CN102278406A CN102278406A (en) | 2011-12-14 |
| CN102278406B true CN102278406B (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110165445 Expired - Fee Related CN102278406B (en) | 2011-06-20 | 2011-06-20 | Absorber for adjusting damping force |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192673A (en) * | 2013-03-29 | 2013-07-10 | 江苏大学 | Semi-active suspension energy-regenerative device of hybrid vehicle |
| CN104895995B (en) * | 2015-04-20 | 2017-03-15 | 中国科学院长春光学精密机械与物理研究所 | SUAV undercarriage buffer |
| CN104989777A (en) * | 2015-07-10 | 2015-10-21 | 常州市金海珑机械制造有限公司 | Balance weight stable type automobile shock absorber |
| JP6973712B2 (en) * | 2016-07-21 | 2021-12-01 | Ｋｙｂ株式会社 | damper |
| CN107289063A (en) * | 2017-08-24 | 2017-10-24 | 柳州市同进汽车零部件制造有限公司 | Automobile shock-absorber |
| CN108087485A (en) * | 2017-12-19 | 2018-05-29 | 重庆飞特车辆技术有限公司 | A kind of wheeled robot and its damper |
| CN111288108A (en) * | 2020-02-20 | 2020-06-16 | 唐山保靓汽车配件有限公司 | Damping adjustment device for shock absorber |
| 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 (7)
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|---|---|---|---|---|
| US5911290A (en) * | 1997-02-20 | 1999-06-15 | Tenneco Automotive Inc. | Step motor actuated continuous variable shock absorber |
| CN1447764A (en) * | 2000-08-22 | 2003-10-08 | 康尼公司 | Rotation damper with valve |
| CN201236915Y (en) * | 2008-07-01 | 2009-05-13 | 吴金钟 | Damping-adjustable rear shock-absorber for motor cycle |
| CN101818780A (en) * | 2009-12-18 | 2010-09-01 | 伊卡露斯(苏州)车辆系统有限公司 | Multi-gear damping control damping system |
| CN101915280A (en) * | 2010-08-11 | 2010-12-15 | 太原科技大学 | Stepless damping-force adjustable shock absorber |
| CN202100650U (en) * | 2011-04-22 | 2012-01-04 | 安徽工程大学 | Multi-stage damping manual adjustable vibration damper |
| CN202132440U (en) * | 2011-06-20 | 2012-02-01 | 芜湖弘祥汽车减振器工业有限公司 | Vibration damper with adjustable damping force |
-
2011
- 2011-06-20 CN CN 201110165445 patent/CN102278406B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5911290A (en) * | 1997-02-20 | 1999-06-15 | Tenneco Automotive Inc. | Step motor actuated continuous variable shock absorber |
| CN1447764A (en) * | 2000-08-22 | 2003-10-08 | 康尼公司 | Rotation damper with valve |
| CN201236915Y (en) * | 2008-07-01 | 2009-05-13 | 吴金钟 | Damping-adjustable rear shock-absorber for motor cycle |
| CN101818780A (en) * | 2009-12-18 | 2010-09-01 | 伊卡露斯(苏州)车辆系统有限公司 | Multi-gear damping control damping system |
| CN101915280A (en) * | 2010-08-11 | 2010-12-15 | 太原科技大学 | Stepless damping-force adjustable shock absorber |
| CN202100650U (en) * | 2011-04-22 | 2012-01-04 | 安徽工程大学 | Multi-stage damping manual adjustable vibration damper |
| CN202132440U (en) * | 2011-06-20 | 2012-02-01 | 芜湖弘祥汽车减振器工业有限公司 | Vibration damper with adjustable damping force |
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| CN102278406A (en) | 2011-12-14 |
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