CN202468817U - Novel damper with adjustable damping - Google Patents
Novel damper with adjustable damping Download PDFInfo
- Publication number
- CN202468817U CN202468817U CN2012200812778U CN201220081277U CN202468817U CN 202468817 U CN202468817 U CN 202468817U CN 2012200812778 U CN2012200812778 U CN 2012200812778U CN 201220081277 U CN201220081277 U CN 201220081277U CN 202468817 U CN202468817 U CN 202468817U
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- main control
- control valve
- valve assembly
- stepper motor
- high pressure
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Abstract
The utility model relates to technology of new structures of dampers with adjustable damping for semi-active suspension of various motor vehicles (comprising but not limited to sedan, cross country vehicle, truck and coach, and the like), and particularly relates to a novel damper with adjustable damping. The damper comprises an end part connecting ring, a piston rod, a damper cover, a sealing and guiding device, a piston valve assembly, a bottom valve assembly and a cylinder body, the damper is characterized by further comprising an external high pressure small oil cavity, a main control valve assembly, a main control valve shell, a step motor, a main control valve end cover, a drive, a step motor controller and a control panel, the external high pressure small oil cavity is arranged at a local opening on the upper end of the external cylinder of the cylinder body, the external high pressure small oil cavity communicates a stretching cavity A with an oil storage cavity C through a throttling passage at a guide seat, and the main control valve assembly controls the pressure and the flow rate. The damper disclosed by the utility model has simple and reasonable structure, small energy consumption, low cost, good comfort and stability and manual control function.
Description
Technical field
The utility model relates to various motor vehicle (comprise and be not limited in car, go-anywhere vehicle, lorry and passenger vehicle etc.) the ride control shock absorber new structure that semi-active suspension is used technology, a kind of specifically New Damping adjustable shock absorber.
Background technique
For adapting to the handling requirement with travelling comfort to automobile of modern society people trip, intelligentized automobile is come into our actual life gradually.Active and semi-active suspension system have solved the travelling comfort and the stable problem that can not take into account that traditional passive suspension exists; And can adapt to the driving cycle and any road excitation that changes; But because the Active Suspension energy consumption is big, cost is high, uses seldom during use on complex structure historical facts or anecdotes border; Half initiatively outstanding also since the complicated cost higher stability of control system can be relatively poor so in some low and middle-end automobiles, use less.For improving vehicle ride comfort and control stability and considering technical costs and the stability of suspension system, the suspension system with manual control function has vast market prospect.
Summary of the invention
The purpose of the utility model be to provide a kind of simple and reasonable, energy consumption is little, cost is low, travelling comfort and good stability, New Damping adjustable shock absorber with manual control function.
The purpose of the utility model is to realize like this; This vibration damper comprises end connecting ring, piston rod, vibration damper lid, sealing and guiding device, piston valve assembly, bottom valve assembly and cylinder body; It also comprises external high pressure small oil cavity, main control valve assembly, main control valve housing, stepper motor, main control valve end cap, driver, controllor for step-by-step motor and control panel; Described external high pressure small oil cavity is arranged on the partial place of cylinder body urceolus upper end, and it carries out elongated cavity A the control of pressure and flow with shoe cream room C connection and by the main control valve assembly through the throttling passage at guide holder place; Described external high pressure small oil cavity connects the main control valve assembly, and it is through oil inlet hole, and the valve opening of oil outlet and main control valve assembly is realized the one-way flow of stretching active chamber A and shoe cream room C; Main control valve assembly and stepper motor are arranged in the main control valve housing, and main control valve end cap and main control valve housing play the fixedly effect of stepper motor jointly through being threaded; Described stepper motor connects driver, and driver is connected controllor for step-by-step motor with control panel.
Described main control valve assembly by spool, be arranged on spring in the spool, the adjustment bolt and the adjustable lever below the adjustment bolt that are arranged on below the spring constitute.
Described adjustment bolt is connected through movable whorl with adjustable lever, limits the circumferential rotation of adjusting bolt through axially directed groove between adjustment bolt and the main control valve housing, and the rotation of adjustable lever can realize adjusting moving axially of bolt.
Described adjustment bolt is to the range of the valve piece direction compression distance less than Regulation spring; When the vibration damper automatical control system lost efficacy; The main control valve assembly still can be used as the throttle valve with certain flow scope; Vibration damper can be used as passive energy dissipation device use like this, has guaranteed the reliable and Security of work.
Described controllor for step-by-step motor can produce one group of pwm signal according to the control command of the manual operation control panel of driver, and this signal form with voltage after driver amplifies is transported to stepper motor, thereby stepper motor is rotated according to specified angle.
The utlity model has following advantage and good effect:
1, the utility model is simple and reasonable, energy consumption is little, cost is low, good stability, have manual control function.
2, the utility model makes that through component and the control strategy of simplifying design proposal is easy to realize; And make the manual adjustment resistance of shock absorber become very convenient; Also be convenient to simultaneously the using and safeguarding of vibration damper is suitable in various motor vehicle semi-active suspension systems, using.
3, the embodiment of the utility model can be reequiped realization on the basis of the original suspension structures of vehicle, and every cover system only need add controllor for step-by-step motor, driver and a control panel, arranges compact, with low cost.This design makes satisfies the manually requirement of control damping force of vibration damper by the semi-active damper easy exploiting that simplifies the structure on the function, be easy to realize the manual control of driver to suspension system.
Description of drawings
Fig. 1 is a New Damping adjustable shock absorber overall structure schematic representation.
Fig. 2 is the local amplification assumption diagram at external high pressure small oil cavity of the utility model and main control valve assembly position.
Fig. 3 is an A-A sectional drawing among the utility model Fig. 2.
Fig. 4 is a B-B sectional drawing among the utility model Fig. 2.
Fig. 5 is the vertical half ACTIVE CONTROL schematic diagram that the utility model is used for automotive suspension.
Fig. 6-a is the F-V curve synoptic diagram under three kinds of patterns of New Damping adjustable damper.
Fig. 6-b is the corresponding control signal dutycycle schematic representation of three kinds of patterns.
Embodiment
Shown in accompanying drawing 1: this vibration damper comprises end connecting ring 1 and 7, piston rod 2, vibration damper lid 3, sealing and guiding device 4, piston valve assembly 5, bottom valve assembly 6, external high pressure small oil cavity 11, main control valve assembly 12, main control valve housing 13, stepper motor 14, main control valve end cap 15, driver 16, controllor for step-by-step motor 17, control panel 18 and cylinder body 19.
By accompanying drawing 1, shown in 2: described external high pressure small oil cavity 11 is arranged on the partial place of cylinder body 19 urceolus upper ends, and it carries out the control of pressure and flow with elongated cavity A with shoe cream room C connection and by main control valve assembly 12 through the throttling passage 8 at guide holder place; Described external high pressure small oil cavity 11 connects main control valve assembly 12, and it is through oil inlet hole 9, and the valve opening of oil outlet 10 and main control valve assembly 12 is realized the one-way flow of stretching active chamber A and shoe cream room C; Main control valve assembly 12 is arranged in the main control valve housing 13 with stepper motor 14, and main control valve end cap 15 and main control valve housing 13 play the fixedly effect of stepper motor 14 jointly through being threaded; Described stepper motor 14 connects driver 16, and driver 16 is connected controllor for step-by-step motor 17 with control panel 18.
Described main control valve assembly 12 by spool 12-1, be arranged on spring 12-2 in the spool 12-1, the adjustment bolt 12-3 and the adjustable lever 12-4 below the adjustment bolt 12-3 that are arranged on below the spring 12-2 constitute, the cracking pressure of main control valve assembly 12 valve openings is directly by the working state decision of main control valve assembly 12.
By accompanying drawing 2,3, shown in 4: described adjustment bolt 12-3 is connected through movable whorl with adjustable lever 12-4; Limit the circumferential rotation of adjusting bolt 12-3 through axially directed groove 12-3a between adjustment bolt 12-3 and the main control valve housing 13, the rotation of adjustable lever 12-4 can realize adjusting moving axially of bolt 12-3.
Described adjustment bolt 12-3 is to the range of the valve piece direction compression distance less than Regulation spring 12-2; When the vibration damper automatical control system lost efficacy; Main control valve assembly 12 still can be used as the throttle valve with certain flow scope; Vibration damper can be used as passive energy dissipation device use like this, has guaranteed the reliable and Security of work.
Shown in accompanying drawing 1: described piston valve assembly 5 all is to be made up of valve block-throttling cellular type one-way valve with bottom valve assembly 6; Wherein piston valve assembly 5 is to be made up of spring 5-1, valve block 5-2 and throttling passage 5-3, and piston valve assembly 5 constitutes the throttle bore of the unidirectional unlatching that makes progress; Bottom valve assembly 6 is to be made up of spring 6-1, valve block 6-2, throttling passage 6-3, and bottom valve assembly 6 constitutes the throttle bore of the unidirectional unlatching that makes progress.Piston valve assembly 5 was closed when vibration damper stretched, and bottom valve assembly 6 is opened, and fluid gets into compression work chamber B from shoe cream room C; Bottom valve assembly 6 is closed during compression, and piston valve assembly 5 is opened, and B gets into stretching active chamber A to fluid from the compression work chamber.
Working principle: the driver manually handles control panel 18 and sends the pwm signal that control command makes one group of certain dutycycle of controller 17 generations; Form with voltage after this signal amplifies through driver 16 is transported to the rotation that stepper motor 14 comes control step motor 14; Stepper motor 14 drives adjustable lever 12-4 rotation and adjustment bolt 12-3 is produced and moves axially; Thereby changed the pretightening force of Regulation spring 12-2; Change even get the cracking pressure of main control valve 12, the damping force that makes vibration damper produce thus changes, thereby realizes the adjustment to damping force.Adjustment bolt 12-3 is to the range of the valve piece direction compression distance less than Regulation spring 12-2; When the vibration damper automatical control system lost efficacy; Main control valve still can be used as the throttle valve with certain flow scope; Vibration damper can be used as passive energy dissipation device use like this, has guaranteed the reliable and Security of work.When vibration damper stretched, piston valve assembly 5 was closed, and bottom valve assembly 6 is opened, and fluid is from the throttling passage 8 entering high pressure small oil cavities 11 of stretching active chamber A through guide holder, and this moment, the main control valve assembly changed its damping force through changing cracking pressure.Fluid valve opening and the oil outlet 10 of flowing through gets into fuel reserve tank C, gets into compression work chamber B through bottom valve assembly 6 again; Vibration damper when compression piston valve assembly 5 is opened bottom valve assembly 6 and is closed; A gets into stretching active chamber A by piston valve assembly 5 to fluid from the compression work chamber; The throttling passage 8 at guide holder place of flowing through gets into high pressure small oil cavities 11, and valve opening and oil outlet 10 through main control valve assembly 12 get into shoe cream room C.Main control valve assembly 12 is through handling control panel 18 and can realizing vibration damper is stretched and the adjustment of damping force during compressive state through the rotation of stepper motor 14 like this.
As shown in Figure 5, the utility model can be used for vertical half ACTIVE CONTROL of automotive suspension.Road roughness is delivered to car body through tire 19 by suspension 20, bearing spring 21 and corresponding vibration damping equipment, thereby influences passenger's riding comfort.Ride control shock absorber 22 among the present invention can be realized the adjustment from soft to hard several different modes to damping force of vibration damper to the judgement manual control control panel 18 of road conditions through the driver; Show on the control panel " motion " arranged, three buttons of " standard ", " comfortable ", three kinds of operating modes of corresponding vibration dampers respectively; Control panel has two " adding ", " subtracting " button to control the damping force size of vibration damper respectively in addition simultaneously; Can realize damping force of vibration damper continuous adjusting (like Fig. 6-a curve shadow region) within the specific limits, thereby improve the riding comfort of vehicle.
Claims (5)
1. New Damping adjustable shock absorber; This vibration damper comprises end connecting ring (1,7), piston rod (2), vibration damper lid (3), sealing and guiding device (4), piston valve assembly (5), bottom valve assembly (6) and cylinder body (19); It is characterized in that: it also comprises external high pressure small oil cavity (11), main control valve assembly (12), main control valve housing (13), stepper motor (14), main control valve end cap (15), driver (16), controllor for step-by-step motor (17) and control panel (18); Described external high pressure small oil cavity (11) is arranged on the partial place of cylinder body (19) urceolus upper end, and its throttling passage (8) through the guide holder place carries out the control of pressure and flow with elongated cavity A and shoe cream room C connection and by main control valve assembly (12); Described external high pressure small oil cavity (11) connects main control valve assembly (12), and it is through oil inlet hole (9), and the valve opening of oil outlet (10) and main control valve assembly (12) is realized the one-way flow of stretching active chamber A and shoe cream room C; Main control valve assembly (12) and stepper motor (14) are arranged in the main control valve housing (13), and main control valve end cap (15) and main control valve housing (13) play the fixedly effect of stepper motor (14) jointly through being threaded; Described stepper motor (14) connects driver (16), and driver (16) is connected controllor for step-by-step motor (17) with control panel (18).
2. a kind of New Damping adjustable shock absorber according to claim 1 is characterized in that: described main control valve assembly (12) by spool (12-1), be arranged on spring (12-2) in the spool (12-1), be arranged on adjustable lever (12-4) formation below adjustment bolt (12-3) and the adjustment bolt (12-3) below the spring (12-2).
3. a kind of New Damping adjustable shock absorber according to claim 2; It is characterized in that: described adjustment bolt (12-3) is connected through movable whorl with adjustable lever (12-4); Limit the circumferential rotation of adjusting bolt (12-3) through axially directed groove (12-3a) between adjustment bolt (12-3) and the main control valve housing (13), the rotation of adjustable lever (12-4) can realize adjusting moving axially of bolt (12-3).
4. a kind of New Damping adjustable shock absorber according to claim 2; It is characterized in that: described adjustment bolt (12-3) is to the range of the valve piece direction compression distance less than Regulation spring (12-2); When the vibration damper automatical control system lost efficacy; Main control valve assembly (12) still can be used as the throttle valve with certain flow scope, and vibration damper can be used as passive energy dissipation device use like this, has guaranteed the reliable and Security of work.
5. a kind of New Damping adjustable shock absorber according to claim 1; It is characterized in that: described controllor for step-by-step motor (17) can be according to the control command of the manual operation control panel of driver (18); Produce one group of pwm signal; This signal form with voltage after driver (16) amplifies is transported to stepper motor (14), thereby stepper motor (14) is rotated according to specified angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200812778U CN202468817U (en) | 2012-03-07 | 2012-03-07 | Novel damper with adjustable damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200812778U CN202468817U (en) | 2012-03-07 | 2012-03-07 | Novel damper with adjustable damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468817U true CN202468817U (en) | 2012-10-03 |
Family
ID=46916976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200812778U Withdrawn - After Issue CN202468817U (en) | 2012-03-07 | 2012-03-07 | Novel damper with adjustable damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468817U (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307168A (en) * | 2012-03-07 | 2013-09-18 | 长春孔辉汽车科技有限公司 | Novel damping-adjustable shock absorber |
| CN104912991A (en) * | 2014-03-14 | 2015-09-16 | 长春孔辉汽车科技股份有限公司 | Motor drive damping-adjustable shock absorber |
| US9205717B2 (en) | 2012-11-07 | 2015-12-08 | Polaris Industries Inc. | Vehicle having suspension with continuous damping control |
| US9662954B2 (en) | 2012-11-07 | 2017-05-30 | Polaris Industries Inc. | Vehicle having suspension with continuous damping control |
| CN108368909A (en) * | 2015-12-10 | 2018-08-03 | Zf腓特烈斯哈芬股份公司 | Damper for motor vehicle |
| US10124709B2 (en) | 2015-05-15 | 2018-11-13 | Polaris Industries Inc. | Utility vehicle |
| CN109026902A (en) * | 2018-09-04 | 2018-12-18 | 韶关液压件厂有限公司 | A kind of band moves more damping pass buffering hydraulic cylinders of cylinder head |
| US10406884B2 (en) | 2017-06-09 | 2019-09-10 | Polaris Industries Inc. | Adjustable vehicle suspension system |
| CN110621905A (en) * | 2017-06-27 | 2019-12-27 | 株式会社昭和 | pressure buffer |
| US10946736B2 (en) | 2018-06-05 | 2021-03-16 | Polaris Industries Inc. | All-terrain vehicle |
| US10987987B2 (en) | 2018-11-21 | 2021-04-27 | Polaris Industries Inc. | Vehicle having adjustable compression and rebound damping |
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2012
- 2012-03-07 CN CN2012200812778U patent/CN202468817U/en not_active Withdrawn - After Issue
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| CN104912991A (en) * | 2014-03-14 | 2015-09-16 | 长春孔辉汽车科技股份有限公司 | Motor drive damping-adjustable shock absorber |
| CN104912991B (en) * | 2014-03-14 | 2017-04-05 | 长春孔辉汽车科技股份有限公司 | A kind of Motor drive ride control shock absorber |
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| US10124709B2 (en) | 2015-05-15 | 2018-11-13 | Polaris Industries Inc. | Utility vehicle |
| CN108368909A (en) * | 2015-12-10 | 2018-08-03 | Zf腓特烈斯哈芬股份公司 | Damper for motor vehicle |
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| CN110621905A (en) * | 2017-06-27 | 2019-12-27 | 株式会社昭和 | pressure buffer |
| US10946736B2 (en) | 2018-06-05 | 2021-03-16 | Polaris Industries Inc. | All-terrain vehicle |
| CN109026902A (en) * | 2018-09-04 | 2018-12-18 | 韶关液压件厂有限公司 | A kind of band moves more damping pass buffering hydraulic cylinders of cylinder head |
| US11884117B2 (en) | 2018-11-21 | 2024-01-30 | Polaris Industries Inc. | Vehicle having adjustable compression and rebound damping |
| US11975584B2 (en) | 2018-11-21 | 2024-05-07 | Polaris Industries Inc. | Vehicle having adjustable compression and rebound damping |
| US12384214B2 (en) | 2018-11-21 | 2025-08-12 | Polaris Industries Inc. | Vehicle having adjustable compression and rebound damping |
| US10987987B2 (en) | 2018-11-21 | 2021-04-27 | Polaris Industries Inc. | Vehicle having adjustable compression and rebound damping |
| US12172518B2 (en) | 2019-04-30 | 2024-12-24 | Polaris Industries Inc. | Vehicle |
| US12384464B2 (en) | 2020-05-15 | 2025-08-12 | Polaris Industries Inc. | Off-road vehicle |
| US12337690B2 (en) | 2020-05-15 | 2025-06-24 | Polaris Industries Inc. | Off-road vehicle |
| US12187127B2 (en) | 2020-05-15 | 2025-01-07 | Polaris Industries Inc. | Off-road vehicle |
| US12397878B2 (en) | 2020-05-20 | 2025-08-26 | Polaris Industries Inc. | Systems and methods of adjustable suspensions for off-road recreational vehicles |
| US11904648B2 (en) | 2020-07-17 | 2024-02-20 | Polaris Industries Inc. | Adjustable suspensions and vehicle operation for off-road recreational vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |