CN103410908A - Regulating type hydraulic damper - Google Patents
Regulating type hydraulic damper Download PDFInfo
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- CN103410908A CN103410908A CN2013102932218A CN201310293221A CN103410908A CN 103410908 A CN103410908 A CN 103410908A CN 2013102932218 A CN2013102932218 A CN 2013102932218A CN 201310293221 A CN201310293221 A CN 201310293221A CN 103410908 A CN103410908 A CN 103410908A
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Abstract
The invention provides a regulating type hydraulic damper. A dust-proof cover is arranged at an opening of a damping cylinder block, the center of the dust-proof cover is provided with a piston rod hole matched with a piston rod, the surface, making contact with the piston rod, of the piston rod hole is provided with a dust-proof seal ring, and the end portion, stretching into the damping cylinder block, of the piston rod is provided with a damping piston. The seal end of the damping cylinder block is communicated with a compensation oil cavity through a damping valve and a compensation valve, a partition board is connected between the seal end of the damping cylinder block and the open end of a compensation cylinder block in a mechanical mode, the damping valve and the compensation valve are arranged inside the partition board, an inner cavity, close to the open end, of the compensation cylinder block is provided with a compensation piston, and the compensation oil cavity is formed between the compensation piston and the partition board. One side, far away from the compensation oil cavity, of the compensation piston is provided with a spring, the other end of the spring is connected with a regulating board sliding along the inner cavity of the compensation cylinder block, the center of the regulating board is provided with a thread hole matched with a screw, the other end of the screw is connected with an output shaft of a reducer fixed on the compensation cylinder block, and an input shaft of the reducer is connected with a motor main shaft. The regulating type hydraulic damper is simple in structure, and hardness of the regulating type hydraulic damper is regulated in a remote mode.
Description
Technical field
The present invention relates to a kind of hydraulic damper, relate in particular to a kind of regulating type hydraulic damper.
Background technique
As everyone knows, in vehicle traveling process, because elastic element is hit, produce vibration in suspension system, for improving vehicle running smoothness, with elastic element, be installed in parallel vibration damper in suspension.At present, in automobile, common vibration damper is double-barrel structure (being inner core and urceolus) and adopts fluid, and its structure and production technology be more complicated all.In the situation that load-carrying or road evenness are different, can't regulate the hardness of vibration damper, do not reach damping effect preferably, the adjustable hydraulic vibration damper is now also arranged.
Such as Chinese model utility bulletin CN 202833826 U, relate to a kind of damping adjustable hydraulic vibration damper of using for automobile shock, can not damping adjusting be used to solving existing hydraulic damper, the problem that ride of vehicle and operational stability are poor.The utility model comprises piston rod, and piston-rod lower end is provided with valve body, in valve body, is provided with the spool that can rotate in valve body, and valve body and spool are provided with corresponding adjustment hole; In piston rod, be provided with rotating shaft, rotating shaft one end is connected with spool, and the other end is connected with driving mechanism; The piston rod upper end offers through hole, and through hole is communicated with the adjustment hole of spool.
But the hardness that foregoing invention adopts the mode of regulation valve body opening degree size to regulate vibration damper, its regulation range is less, and very easily be shifted at the vibration processes split shed, damping effect is unstable, and it adopts the mode of rotary spool to regulate the vibration damper hardness and can't realize in the Vehicle Driving Cycle process regulating in real time the vibration damper damping effect simultaneously.
Summary of the invention
Unstable in order to solve existing adjustable shock absorber damping effect, it adopts the mode of rotary spool to regulate the shortcoming that the vibration damper hardness can't realize regulating in real time in the Vehicle Driving Cycle process vibration damper damping effect simultaneously, the invention provides a kind of adjustable hydraulic vibration damper.
The technical solution adopted for the present invention to solve the technical problems is: a kind of regulating type hydraulic damper, comprise the damping cylinder body, piston rod, daming piston, dust cover, orifice valve, recuperation valve, damping cylinder body opening is provided with dust cover, the dust cover center is provided with the piston rod hole coordinated with piston rod, the surface of contact of piston rod hole and piston rod is provided with dust-proof seal ring, the end that piston rod stretches into the damping cylinder body is provided with daming piston, damping cylinder body closed end is communicated with the compensation oil pocket by orifice valve and recuperation valve, between described damping cylinder body closed end and compensating cylinder opening end, mechanical connection has dividing plate, in dividing plate, be provided with orifice valve and recuperation valve, compensating cylinder is provided with compensating piston near the inner chamber of opening end, between compensating piston and dividing plate, form the compensation oil pocket, compensating piston is provided with spring away from compensation oil pocket one side, the other end of spring is connected with the regulator plate slided along the compensating cylinder inner chamber, the regulator plate center is provided with the tapped hole coordinated with leading screw, one end of leading screw is connected with the reducer output shaft on being fixed on compensating cylinder, the input shaft of retarder is connected with electric machine main shaft.
Further, described mechanical connection manner is any in being threaded, riveting, welding.
Further, described compensating cylinder closed end outer surface is provided with fixed hole.
Further, described retarder is provided with tapped hole, and on compensating cylinder, relevant position is provided with fastening through-hole, and fixing bolt passes fastening through-hole and coordinates with tapped hole.
The invention has the beneficial effects as follows: adopt motorized adjustment, can regulate in real time the vibration damper hardness in the Vehicle Driving Cycle process, adopt simultaneously the compensation oil pocket to avoid oil liquid leakage to cause the bad situation of damping effect to occur.
The accompanying drawing explanation
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of regulating type hydraulic damper of the present invention main structure chart.
1. tapped holes, 2. fastening through-hole, 3. retarder in the drawings, 4. regulator plate, 5. compensate thick stick body, 6. compensating cylinder seal ring, 7. dividing plate, 8. damper cylinder seal ring, 9. orifice valve, 10. damping cylinder body, 11. dust-proof seal rings, 12. piston rods, 13. dust cover, 14. daming pistons, 15. recuperation valves, 16. fixing bolt, 17. damper cylinder through holes, 18. bulkhead through-holes, 19. the compensating cylinder through hole, 20. nuts, 21. compensating pistons, 22. spring, 23. leading screws, 24. motion thread holes, 25. clamping bolt, 26. motor, 27. fixed holes, 28. piston rod holes.
Embodiment
Below in conjunction with embodiment of accompanying drawing narration, the invention will be further described.
In the drawings, the regulating type hydraulic damper, comprise damping cylinder body 10, piston rod 12, daming piston 14, dust cover 13, orifice valve 9, recuperation valve 15, damping cylinder body 10 openings are provided with dust cover 13, dust cover 13 centers are provided with the piston rod hole 28 coordinated with piston rod 12, piston rod hole 28 is provided with dust-proof seal ring 11 with the surface of contact of piston rod 12, the end that piston rod 12 stretches into damping cylinder body 10 is provided with daming piston 14, damping cylinder body 10 closed ends are communicated with the compensation oil pocket by orifice valve 9 and recuperation valve 15, between described damping cylinder body 10 closed ends and compensating cylinder 5 opening ends, be provided with dividing plate 7, in dividing plate 7, be provided with orifice valve 9 and recuperation valve 15, dividing plate 7 edges are evenly equipped with bulkhead through-hole 18, damping cylinder body 10 relevant positions, closed end edge are provided with between damper cylinder through hole 17 and damping cylinder body 10 closed ends and dividing plate 7 and are provided with damper cylinder seal ring 8, compensating cylinder 5 open end edge relevant positions are provided with between compensating cylinder through hole 19 and compensating cylinder 5 opening ends and dividing plate 7 and are provided with compensating cylinder seal ring 6, fixing bolt 16 passes damper cylinder through hole 17 successively, bulkhead through-hole 18 and compensation thick stick through hole 19 are fastenedly connected above-mentioned three by nut 20, compensating cylinder 5 is provided with compensating piston 21 near the inner chamber of opening end, between compensating piston 21 and dividing plate 7, form the compensation oil pocket, compensating piston 21 is provided with spring 22 away from compensation oil pocket one side, the other end of spring 22 is connected with the regulator plate 4 slided along compensating cylinder 5 inner chambers, regulator plate 4 centers are provided with the motion thread hole 24 coordinated with leading screw 23, one end of leading screw 23 is connected with retarder 3 output shafts on being fixed on compensating cylinder 5, retarder 3 is provided with tapped hole 1 with the surface of contact of compensating cylinder 5, on compensation thick stick body 5, be provided with fastening through-hole 2 with tapped hole 1 relevant position, retarder 3 is fixed on compensating cylinder 5 by clamping bolt 25, the input shaft of retarder 3 is connected with motor 26 main shafts, compensating cylinder 5 closed end outer surfaces are provided with fixed hole 27.
In working procedure, connect motor 26 power supplys, thereby control according to required vibration damper hardness the size that motor 26 turns to the control and compensation oil pocket, when required vibration damper is softer, regulator plate 4 is moved down, when required vibration damper is harder, regulator plate 4 is moved up.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (4)
1. regulating type hydraulic damper, comprise the damping cylinder body, piston rod, daming piston, dust cover, orifice valve, recuperation valve, damping cylinder body opening is provided with dust cover, the dust cover center is provided with the piston rod hole coordinated with piston rod, the surface of contact of piston rod hole and piston rod is provided with dust-proof seal ring, the end that piston rod stretches into the damping cylinder body is provided with daming piston, damping cylinder body closed end is communicated with the compensation oil pocket by orifice valve and recuperation valve, it is characterized in that, between described damping cylinder body closed end and compensating cylinder opening end, mechanical connection has dividing plate, in dividing plate, be provided with orifice valve and recuperation valve, compensating cylinder is provided with compensating piston near the inner chamber of opening end, between compensating piston and dividing plate, form the compensation oil pocket, compensating piston is provided with spring away from compensation oil pocket one side, the other end of spring is connected with the regulator plate slided along the compensating cylinder inner chamber, the regulator plate center is provided with the tapped hole coordinated with leading screw, one end of leading screw is connected with the reducer output shaft on being fixed on compensating cylinder, the input shaft of retarder is connected with electric machine main shaft.
2. a kind of regulating type hydraulic damper according to claim 1, it is characterized in that: described mechanical connection manner is any in being threaded, riveting, welding.
3. a kind of regulating type hydraulic damper according to claim 1, it is characterized in that: described compensating cylinder closed end outer surface is provided with fixed hole.
4. a kind of regulating type hydraulic damper according to claim 1, it is characterized in that: described retarder is provided with tapped hole, and on compensating cylinder, relevant position is provided with fastening through-hole, and fixing bolt passes fastening through-hole and coordinates with tapped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102932218A CN103410908A (en) | 2013-07-14 | 2013-07-14 | Regulating type hydraulic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102932218A CN103410908A (en) | 2013-07-14 | 2013-07-14 | Regulating type hydraulic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103410908A true CN103410908A (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102932218A Pending CN103410908A (en) | 2013-07-14 | 2013-07-14 | Regulating type hydraulic damper |
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| CN (1) | CN103410908A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202101A (en) * | 2015-10-10 | 2015-12-30 | 唐哲敏 | Bidirectional isoelastic equivariant-damp air cylinder |
| CN106218335A (en) * | 2016-08-19 | 2016-12-14 | 江苏大学 | A kind of stiffness variable trailing link and install the air suspension of this trailing link and its method |
| CN109290463A (en) * | 2018-10-08 | 2019-02-01 | 杭州金浪机电有限公司 | For conveying and clamping the feeder equipment of billet material |
| CN110178491A (en) * | 2019-07-10 | 2019-08-30 | 陈晓骏 | A kind of sowing of agricultural planting is digged pit equipment |
| CN110195761A (en) * | 2019-04-17 | 2019-09-03 | 武汉船用机械有限责任公司 | Hydraulic anticollision device, collision-prevention device |
| CN111981083A (en) * | 2020-08-21 | 2020-11-24 | 扬州市伏尔坎机械制造有限公司 | Buffer oil cylinder for vehicle shock absorption |
| CN114810926A (en) * | 2022-05-26 | 2022-07-29 | 柴璐 | Self-energy-feeding automobile suspension damper |
-
2013
- 2013-07-14 CN CN2013102932218A patent/CN103410908A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202101A (en) * | 2015-10-10 | 2015-12-30 | 唐哲敏 | Bidirectional isoelastic equivariant-damp air cylinder |
| CN106218335A (en) * | 2016-08-19 | 2016-12-14 | 江苏大学 | A kind of stiffness variable trailing link and install the air suspension of this trailing link and its method |
| CN106218335B (en) * | 2016-08-19 | 2018-10-09 | 江苏大学 | A kind of stiffness variable trailing link and the air suspension and its method for installing the trailing link |
| CN109290463A (en) * | 2018-10-08 | 2019-02-01 | 杭州金浪机电有限公司 | For conveying and clamping the feeder equipment of billet material |
| CN110195761A (en) * | 2019-04-17 | 2019-09-03 | 武汉船用机械有限责任公司 | Hydraulic anticollision device, collision-prevention device |
| CN110178491A (en) * | 2019-07-10 | 2019-08-30 | 陈晓骏 | A kind of sowing of agricultural planting is digged pit equipment |
| CN111981083A (en) * | 2020-08-21 | 2020-11-24 | 扬州市伏尔坎机械制造有限公司 | Buffer oil cylinder for vehicle shock absorption |
| CN114810926A (en) * | 2022-05-26 | 2022-07-29 | 柴璐 | Self-energy-feeding automobile suspension damper |
| CN114810926B (en) * | 2022-05-26 | 2024-01-23 | 柴璐 | Self-energy-feedback automobile suspension damper |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131127 |