CN104912991A - Motor drive damping-adjustable shock absorber - Google Patents
Motor drive damping-adjustable shock absorber Download PDFInfo
- Publication number
- CN104912991A CN104912991A CN201410095517.3A CN201410095517A CN104912991A CN 104912991 A CN104912991 A CN 104912991A CN 201410095517 A CN201410095517 A CN 201410095517A CN 104912991 A CN104912991 A CN 104912991A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- valve assembly
- piston
- oil storage
- urceolus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
- F16F9/5126—Piston, or piston-like valve elements
Abstract
The invention relates to a shock absorber applied to an automobile suspension system and achieving adjustable damping force. The shock absorber comprises an oil storage cylinder, a bottom valve assembly, a motor control valve assembly, a working cylinder, an intermediate cylinder, a piston valve assembly, a guider assembly and a piston rod. The bottom valve assembly is matched with the lower end of the working cylinder and arranged at the bottom of the oil storage cylinder, the piston valve assembly is matched with the piston rod and arranged in the working cylinder, the outer edge of the piston valve assembly makes contact with the inner edge of the working cylinder to form a sliding pair, the contact surface forms a motive seal for oil, the guider assembly is arranged at the upper end of the oil storage cylinder and the upper end of the working cylinder and matched with the inner edge of the oil storage cylinder and the inner edge of the working cylinder to form a static seal for oil, the intermediate cylinder is matched with the outer surface of the working cylinder, a circulating hole is formed in the upper side of the working cylinder and communicated with the intermediate cylinder, a horn mouth is formed in the lower side of the intermediate cylinder outwards, the lower end of the motor control valve assembly is matched with the horn mouth of the intermediate cylinder, and the motor control valve assembly is connected with the oil storage cylinder.
Description
Technical field
What the present invention relates to is a kind of component be applied in automobile suspension system, particularly be a kind of vibration damper of damping-force adjustable in vehicle suspension system.
Background technique
Current, the vibration damper that passive suspension is used, the size of its damping depends on the flexible size of each valve member valve block group; Once after each valve block group adjustment is installed, the damping characteristic of each valve member of this vibration damper and the damping property of vibration damper are also just determined, because its damping is non-adjustable, so can not ensure that the damping characteristic of suspension system changes with the change of running conditions of vehicle well, travelling comfort and the control stability of automobile can not be taken into account simultaneously, vehicle performance is had a strong impact on.
Summary of the invention
The object of the invention is to provide a kind of motor to drive ride control shock absorber, this damper structure advantages of simple, can ensure that the damping characteristic of suspension system changes with the change of running conditions of vehicle well, take into account travelling comfort and the control stability of automobile simultaneously.
The object of the present invention is achieved like this, and this vibration damper comprises oil storage cylinder, bottom valve assembly, Electric Machine Control valve assembly, clutch release slave cylinder, middle cylinder, piston valve assembly, guider assembly and piston rod, it is characterized in that: described bottom valve assembly coordinates with clutch release slave cylinder lower end and is placed in bottom oil storage cylinder, piston valve assembly coordinates with piston rod and is placed in clutch release slave cylinder inside, piston valve assembly outward edge contacts with clutch release slave cylinder inside edge and forms sliding pair and surface of contact defines motive sealing for fluid, guider assembly is placed in the upper end of oil storage cylinder and clutch release slave cylinder and the static seal formed fluid that matches with oil storage cylinder and clutch release slave cylinder inward flange respectively, middle cylinder matches with clutch release slave cylinder outer surface, have opening on the upside of clutch release slave cylinder to communicate with middle cylinder, a horn mouth is outwards had on the downside of middle cylinder, match with the horn mouth of middle cylinder in Electric Machine Control valve assembly lower end, Electric Machine Control valve assembly is connected with oil storage cylinder.
Described Electric Machine Control valve assembly comprises welding urceolus, piston urceolus, one O type circle, valve body gland, Regulation spring, attachment screw, motor, coupling, adjusting bolt, adjusting nut, valve core piston, spool, 2nd O type circle, valve ball be connected base, wherein motor is connected with valve body gland by attachment screw, valve body gland with weld urceolus and be connected and push down piston urceolus downwards, piston urceolus outward edge contacts with welding urceolus inward flange and passes through an O type circle and seals, connection base pushed down downwards by piston urceolus, connection base is contacted with middle cylinder horn mouth and is sealed by the 3rd O type circle, connecting base makes the fluid of middle cylinder can flow into Electric Machine Control valve assembly by oil inlet hole a, connecting base makes fluid can get back to oil storage cylinder by outflow motor control valve assembly by oil outlet b, motor is connected by coupling and adjusting bolt, adjusting bolt is connected with adjusting nut by screw thread, the inner wall shape that valve body gland contacts with adjusting nut makes not produce relative rotation between adjusting nut and valve body gland, Regulation spring one end contacts with adjusting nut and compresses the other end simultaneously and contacts with valve core piston and compress, valve core piston outward edge contacts with piston urceolus inward flange to be formed and moves, valve core piston pushes down spool downwards, spool outward edge and piston urceolus interior side contacts are formed sliding pair and are sealed by the 2nd O type circle, valve ball is pushed down under spool, valve ball blocks the oil inlet hole a connecting base lower end downwards.
The present invention has the following advantages and good effect:
1, the present invention is simple and reasonable, can ensure that the damping characteristic of suspension system changes with the change of running conditions of vehicle well, take into account travelling comfort and the control stability of automobile simultaneously.
2, structure of the present invention be also advantageous in that spool in Electric Machine Control valve assembly, valve ball matches and seals oil inlet hole fluid, reduces requirement on machining accuracy, and small flow can be avoided to reveal the effect that ensure that pressurize oil sealing.
3, vibration damper of the present invention can control the oil liquid pressure of vibration damper inside by the rotation controlling motor, and then controls the damping force of vibration damper.
4, the vibration damper that the present invention relates to can coordinate certain control system to realize the automatic adjustment of absorber damping force.The vibration damper that the present invention relates to has structure and simplifies, realizes easy, high reliability.
Accompanying drawing explanation
Fig. 1 is vibration damper overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of Electric Machine Control valve assembly in vibration damper of the present invention.
Reference character in figure: 1, oil storage cylinder; 2, bottom valve assembly; 3, Electric Machine Control valve assembly; 4, clutch release slave cylinder; 5, middle cylinder; 6, piston valve assembly; 7, guider assembly; 8, piston rod; 3-1, welding urceolus; 3-2, piston urceolus; 3-3, an O type circle; 3-4, valve body gland; 3-5, Regulation spring; 3-6, attachment screw; 3-7, motor; 3-8, coupling; 3-9, adjusting bolt; 3-10, adjusting nut; 3-11, valve core piston; 3-12, spool; 3-13, the 2nd O type circle; 3-14, valve ball; 3-15, connection base; 3-16, the 3rd O type circle; A, oil inlet hole; B, oil outlet.
Embodiment
Shown in accompanying drawing 1: this vibration damper comprises oil storage cylinder 1, bottom valve assembly 2, Electric Machine Control valve assembly 3, clutch release slave cylinder 4, middle cylinder 5, piston valve assembly 6, guider assembly 7 and piston rod 8, it is characterized in that: described bottom valve assembly 2 coordinates with clutch release slave cylinder 4 lower end and is placed in bottom oil storage cylinder 1, piston valve assembly 6 to be coordinated with piston rod 8 by screw thread and to be placed in clutch release slave cylinder 4 inner, piston valve assembly 6 outward edge contacts with clutch release slave cylinder 4 inside edge and forms sliding pair and surface of contact defines motive sealing for fluid, guider assembly 7 is placed in the upper end of oil storage cylinder 1 and clutch release slave cylinder 4 and the static seal formed fluid that matches with oil storage cylinder 1 and clutch release slave cylinder 4 inward flange respectively, middle cylinder 5 is matched with clutch release slave cylinder 4 outer surface by O type circle, have opening 9 on the upside of clutch release slave cylinder 4 to communicate with middle cylinder 5, a horn mouth 10 is outwards had on the downside of middle cylinder 5, matched with the horn mouth 10 of middle cylinder 5 by O type circle in Electric Machine Control valve assembly 3 lower end, Electric Machine Control valve assembly 3 is connected with oil storage cylinder 1 by welding.
Shown in accompanying drawing 2: described Electric Machine Control valve assembly 3 comprises welding urceolus 3-1, piston urceolus 3-2, one O type circle 3-3, valve body gland 3-4, Regulation spring 3-5, attachment screw 3-6, motor 3-7, coupling 3-8, adjusting bolt 3-9, adjusting nut 3-10, valve core piston 3-11, spool 3-12, 2nd O type circle 3-13, valve ball 3-14 be connected base 3-15, wherein motor 3-7 is connected with valve body gland 3-4 by attachment screw 3-6, valve body gland 3-4 with weld urceolus 3-1 and be connected and push down piston urceolus 3-2 downwards, piston urceolus 3-2 outward edge contacts with welding urceolus 3-1 inward flange and passes through an O type circle 3-3 and seals, piston urceolus 3-2 pushes down downwards and connects base 3-15, connection base 3-15 is contacted with middle cylinder horn mouth 10 and is sealed by the 3rd O type circle 3-16, connecting base 3-15 makes the fluid of middle cylinder 5 can flow into Electric Machine Control valve assembly 3 by oil inlet hole a, connecting base 3-15 makes fluid can get back to oil storage cylinder 1 by outflow motor control valve assembly 3 by oil outlet b, motor 3-7 is connected by coupling 3-8 and adjusting bolt 3-9, adjusting bolt 3-9 is connected with adjusting nut 3-10 by screw thread, the inwall of valve body gland 3-4 and adjusting nut 3-10 wall contacts, the shape of the inwall of valve body gland 3-4 can limit adjusting nut 3-10 to be made it not relatively rotate between valve body gland 3-4, the inner wall shape that valve body gland 3-4 contacts with adjusting nut 3-10 makes not produce relative rotation between adjusting nut 3-10 and valve body gland 3-4, Regulation spring 3-5 one end contacts with adjusting nut 3-10 and compresses the other end simultaneously and contacts with valve core piston 3-11 and compress, valve core piston 3-11 outward edge contacts with piston urceolus 3-2 inward flange to be formed and moves, valve core piston 3-11 pushes down spool 3-12 downwards, spool 3-12 outward edge and piston urceolus 3-2 interior side contacts are formed sliding pair and are sealed by the 2nd O type circle 3-13, valve ball 3-14 is pushed down under spool 3-12, valve ball 3-14 blocks the oil inlet hole a connecting base 3-15 lower end downwards.
What the present invention relates to is a kind of new type vibration isolator that can change spring force and damping adjusting by controlling electric machine rotation, and specific works process is as follows:
When vibration damper extensional motion, piston rod 8 drives piston valve assembly 6 to move upward relative to clutch release slave cylinder 4, piston valve assembly 6 promotes fluid flows into clutch release slave cylinder 4 from oil storage cylinder 1 cavity of resorption by bottom valve assembly 2, and the fluid of clutch release slave cylinder 4 epicoele enters middle cylinder 5 by opening 9, and enter Electric Machine Control valve assembly 3 via the oil inlet hole a of Electric Machine Control valve assembly 3, finally by by Electric Machine Control valve assembly 3 oil outlet b enter oil storage cylinder 1.When shock absorbers compression moves, piston rod 8 drives piston valve assembly 6 to move downward relative to clutch release slave cylinder 4, piston valve assembly 6 promotes fluid flows into clutch release slave cylinder 4 epicoele from the cavity of resorption of clutch release slave cylinder 4, the fluid of clutch release slave cylinder 4 epicoele enters middle cylinder 5 by opening 9, and enter Electric Machine Control valve assembly 3 via the oil inlet hole a of Electric Machine Control valve assembly 3, enter oil storage cylinder 1 finally by the oil outlet b by Electric Machine Control valve assembly 3.In sum, no matter vibration damper extensional motion or compression movement, the fluid in clutch release slave cylinder 4 all must return oil storage cylinder 1 by Electric Machine Control valve assembly 3.By coupling 3-8, motor 3-7 can drive adjusting bolt 3-9 to rotate, and by the threaded adjustment nut 3-10 that connects (or upwards) certain displacement of moving downwards, moving up and down of adjusting nut 3-10 can change the spring force of Regulation spring 3-5.The spring force of Regulation spring 3-5 acts on valve ball 3-14 by valve core piston 3-11 and spool 3-12, and valve ball 3-14 be connected base 3-15 and coordinate and push down oil inlet hole a, make the fluid flowing into Electric Machine Control valve assembly 3 from oil inlet hole a must reach the pressure being enough to overcome spring force and just can back down valve ball 3-14 and via oil outlet b off-load.So, the oil liquid pressure of vibration damper inside can be controlled by the rotation controlling motor 3-7, and then control the damping force of vibration damper.The vibration damper that the present invention relates to can coordinate certain control system to realize the automatic adjustment of absorber damping force.
The advantage of this structure to be in Electric Machine Control valve assembly that spool 3-12, valve ball 3-14 match and to seal oil inlet hole fluid, reduces requirement on machining accuracy, and small flow can be avoided to reveal the effect that ensure that pressurize oil sealing.
Claims (3)
1. motor drives a ride control shock absorber, and this vibration damper comprises oil storage cylinder, bottom valve assembly, clutch release slave cylinder, middle cylinder, piston valve assembly, guider assembly and piston rod; It is characterized in that: it also comprises an Electric Machine Control valve assembly, described bottom valve assembly coordinates with clutch release slave cylinder lower end and is placed in bottom oil storage cylinder, piston valve assembly coordinates with piston rod and is placed in clutch release slave cylinder inside, guider assembly is placed in the upper end of oil storage cylinder and clutch release slave cylinder, middle cylinder matches with clutch release slave cylinder outer surface, have opening on the upside of clutch release slave cylinder to communicate with middle cylinder, a horn mouth is outwards had on the downside of middle cylinder, match with the horn mouth of middle cylinder in Electric Machine Control valve assembly lower end, Electric Machine Control valve assembly is connected with oil storage cylinder.
2. a kind of motor according to claim 1 drives ride control shock absorber, it is characterized in that: described piston valve assembly outward edge contacts with clutch release slave cylinder inside edge and forms sliding pair and surface of contact defines motive sealing for fluid, guider assembly matches with oil storage cylinder and clutch release slave cylinder inward flange the static seal formed fluid respectively.
3. a kind of motor according to claim 1 drives ride control shock absorber, it is characterized in that: described Electric Machine Control valve assembly comprises welding urceolus, piston urceolus, one O type circle, valve body gland, Regulation spring, attachment screw, motor, coupling, adjusting bolt, adjusting nut, valve core piston, spool, 2nd O type circle, valve ball be connected base, wherein motor is connected with valve body gland by attachment screw, valve body gland with weld urceolus and be connected and push down piston urceolus downwards, piston urceolus outward edge contacts with welding urceolus inward flange and passes through an O type circle and seals, connection base pushed down downwards by piston urceolus, connection base contacts with middle cylinder horn mouth and passes through the 3rd O type circle and seals, connecting base makes the fluid of middle cylinder can flow into Electric Machine Control valve assembly by oil inlet hole a, connecting base makes fluid outflow motor control valve assembly get back to oil storage cylinder by oil outlet b, motor is connected by coupling and adjusting bolt, adjusting bolt is connected with adjusting nut, the inwall of valve body gland and adjusting nut wall contacts, the inwall restriction adjusting nut of valve body gland makes it not relatively rotate between valve body gland, Regulation spring one end contacts with adjusting nut and compresses, the other end contacts with valve core piston and compresses simultaneously, valve core piston outward edge contacts with piston urceolus inward flange and forms sliding pair, valve core piston pushes down spool downwards, spool outward edge and piston urceolus interior side contacts are formed sliding pair and are sealed by the 2nd O type circle, valve ball is pushed down under spool, valve ball blocks the oil inlet hole a connecting base lower end downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410095517.3A CN104912991B (en) | 2014-03-14 | 2014-03-14 | A kind of Motor drive ride control shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410095517.3A CN104912991B (en) | 2014-03-14 | 2014-03-14 | A kind of Motor drive ride control shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104912991A true CN104912991A (en) | 2015-09-16 |
| CN104912991B CN104912991B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410095517.3A Active CN104912991B (en) | 2014-03-14 | 2014-03-14 | A kind of Motor drive ride control shock absorber |
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| Country | Link |
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| CN (1) | CN104912991B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143604A (en) * | 2017-06-29 | 2017-09-08 | 黄永宁 | Damper from main inlet control valve and its staged method of discharge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322260A (en) * | 1993-05-24 | 1994-06-21 | Borg-Warner Automotive, Inc. | Solenoid valve |
| JPH10184933A (en) * | 1997-10-03 | 1998-07-14 | Unisia Jecs Corp | Solenoid valve structure |
| CN201068948Y (en) * | 2007-07-26 | 2008-06-04 | 吉林大学 | Damping adjustable vibration absorber |
| CN202468817U (en) * | 2012-03-07 | 2012-10-03 | 长春孔辉汽车科技有限公司 | Novel damper with adjustable damping |
| CN203856940U (en) * | 2014-03-14 | 2014-10-01 | 长春孔辉汽车科技有限公司 | Motor-driven damping-adjustable shock absorber |
-
2014
- 2014-03-14 CN CN201410095517.3A patent/CN104912991B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322260A (en) * | 1993-05-24 | 1994-06-21 | Borg-Warner Automotive, Inc. | Solenoid valve |
| JPH10184933A (en) * | 1997-10-03 | 1998-07-14 | Unisia Jecs Corp | Solenoid valve structure |
| CN201068948Y (en) * | 2007-07-26 | 2008-06-04 | 吉林大学 | Damping adjustable vibration absorber |
| CN202468817U (en) * | 2012-03-07 | 2012-10-03 | 长春孔辉汽车科技有限公司 | Novel damper with adjustable damping |
| CN203856940U (en) * | 2014-03-14 | 2014-10-01 | 长春孔辉汽车科技有限公司 | Motor-driven damping-adjustable shock absorber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143604A (en) * | 2017-06-29 | 2017-09-08 | 黄永宁 | Damper from main inlet control valve and its staged method of discharge |
| CN107143604B (en) * | 2017-06-29 | 2023-02-28 | 黄永宁 | Automatic regulating valve of shock absorber and stepped oil discharging method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104912991B (en) | 2017-04-05 |
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Effective date of registration: 20191025 Address after: 313000 No. 18-102 Industrial Road, South Taihu High-tech Industrial Park, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Kong Hui Automobile Technology Co., Ltd. Address before: 130312 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee before: Changchun Konghui Automative Technology Co., Ltd. |
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| TR01 | Transfer of patent right |