CN102900800A - Hydraulic shock absorber with butterfly-shaped annular springs - Google Patents
Hydraulic shock absorber with butterfly-shaped annular springs Download PDFInfo
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- CN102900800A CN102900800A CN2012103898258A CN201210389825A CN102900800A CN 102900800 A CN102900800 A CN 102900800A CN 2012103898258 A CN2012103898258 A CN 2012103898258A CN 201210389825 A CN201210389825 A CN 201210389825A CN 102900800 A CN102900800 A CN 102900800A
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Abstract
The invention provides a hydraulic shock absorber with butterfly-shaped annular springs and belongs to the technical field of hydraulic shock absorbers. The conventional hydraulic shock absorber has the common problems that oil leaks, heat is difficult to dissipate and the hydraulic shock absorber is difficult to regulate. The hydraulic shock absorber has the characteristics that an upper oil cavity and a lower oil cavity are welded by a plurality of butterfly-shaped annular springs, and a plate piston and a piston rod push the oil cavities to generate elastic deformation, so that a function of the piston in the cylinder is replaced by changing volume, the piston and the piston rod are not contacted with oil when moving or being sealed, so that a phenomenon that the oil leaks when the hydraulic shock absorber is used for a long time is avoided; and the oil enters an external cycle and flows through a controller, so that the hydraulic shock absorber is convenient to regulate and control, and the heat is convenient to dissipate. The hydraulic shock absorber is mainly applied to places wherein the hydraulic shock absorbers are needed.
Description
Technical field
The invention belongs to the liquid-springing technical field, particularly a kind of dydraulic shock absorber.
Background technique
Dydraulic shock absorber both domestic and external all by oil cylinder or in oil cylinder narrow meshed piston and piston rod form, piston is separated into two-part with oil cylinder, hydraulic oil is sealed in wherein, piston and oil cylinder are installed in respectively on the two articles of Relative Vibration, hydraulic oil flows from aperture back and forth during vibration, with the viscosity consumption vibrational energy of oil.It is that long-term motion can make the Sealing abrasion leakage of oil of piston and piston rod and lost efficacy that there are three problems one in this vibration damper, and this is called as world-famous puzzle.The vibration damper that domestic certain factory produces is installed on the San Qiao of the Qiantang River and soon just lost efficacy because of leakage of oil.The vibration damper that the U.S. company of installing when American South California bridge is built produces has only been used 2 years, just can not use because of serious leakage of oil, has changed vibration damper.The 2nd, the characteristic of this vibration damper just can not change after the damping hole design processing on the piston; The 3rd, heat dissipation problem, when the working state of vibration damper makes the oil mass that flows through damping hole large, the heat that produces when flow velocity is fast is large, distributed by the structural limitations thermal energy, and oil temperature raises, and oily coefficient of dilatation produces the danger of very large interior pressure increasing leakage of oil greater than cylinder body.Produce again negative interior the pressure when catching a cold.If can reduce interior pressure with elasticity oil, but can make the performance change of vibration damper.
Summary of the invention
The technical problem one that solves is oil-proof, the 2nd, and damping hole is adjustable, controlled, and the 3rd, heat radiation is convenient.
The technological scheme that adopts is to utilize the structure that is similar to belleville spring to form the oil pocket of two elastically deformables, and when promotion one side oil pocket resiliently deformable volume became large, the oil pocket resiliently deformable volume of another side diminished, and replaces the oil cylinder of existing vibration damper and the function of piston.A kind of dish-shaped ring-spring dydraulic shock absorber, comprise piston and urceolus, the bottom of upper oil cavitie and piston plate upper surface are affixed, the top of lower oil cavitie and piston plate lower surface are affixed, piston plate central authorities are provided with screw, piston rod is connected with piston plate by screw thread, and piston rod passes lower end sheet with the splaying cooperation of mounting hole; Upper oil cavitie and lower oil cavitie are that multi-disc dish ring-spring forms, the upper oil cavitie top is provided with the upper oil nozzle that passes end plate, and upper oil nozzle connects oil pipe, and the lower oil cavitie bottom is provided with the lower oil nozzle that passes lower end sheet, lower oil nozzle is stringed, and is provided with controller between upper oil pipe and the lower oil pipe; The joint of every one deck circle of multi-disc dish ring-spring is equipped with eight uniform oil-through holes, and upper and lower oil pocket all is located in the urceolus.
Described controller is modulating valve, comprises a kind of of hand control valve, machine control valve, solenoid valve.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is simple in structure, has ready conditions the hydraulic oil in two chambeies is drawn with oil pipe, and via controller carries out the flow adjustment between two chambeies.The one, piston, piston rod not with oily medium contact, solved this difficult problem of leakage of oil after the long-term use; The 2nd, controller can be a hand control valve, the size in damping adjusting hole also can be a machine control valve of being controlled by mechanical motion as required, and it can be regulated by need vibration damping structure motion state, can also be a solenoid valve, by electrical signal damping adjusting hole size; The 3rd, can satisfy the needs that dispel the heat with the length of drawing oil pipe or radiating structure.
Description of drawings:
Fig. 1 is the sectional structure schematic representation of the embodiment of the invention.
Embodiment:
Fig. 1 illustrates, a kind of embodiment of the present invention is, a kind of dish-shaped ring-spring dydraulic shock absorber, its structure is: above mounting hole 1 and lower mounting hole 2 centers are the ring bodies of on line, its every one deck video disc all is a dish-shaped annulus spring, eight oil-through holes 4 that every one deck circle is uniform, dish-shaped ring-spring is stamped to form with spring steel plate.First belleville spring annulus is welded in the upper surface of piston plate 5, piston plate is a plectane, with the piston of existing vibration damper identical function is arranged, its diameter is with the belleville spring annulus, and there is a screw at the center, and piston rod 6 is threaded with it, change upper second after welding first, weld first all inner welding rings, in the position of inner ring 7, weld again outer weld-ring 8.To aim at second oil-through hole 4 when welding the 3rd, oil in the upper lower oil cavitie can flow through oil-through hole (4) separately, and weld first the oil-through hole periphery, weld again inner welding ring and outer weld-ring, be soldered to successively a slice topmost, this a slice screwed upper oil nozzle 9 of burn-oning first passes from the hole of upper head plate 10 again, the upper oil pipe 11 of can screwing on, the other end of upper oil pipe connects controller 12.Upper oil cavitie 13 of multilayer dish ring-spring formation welded together, the oil in the upper oil cavitie 13 can flow through eight oil-through holes, and the oil-through hole diameter is larger, does not need it to form damping force.Weld in the same way lower oil cavitie 14, screwed lower oil nozzle 15 passes from the hole of lower end sheet 17, and the oil in the lower oil cavitie 14 can be received controller 12 through lower oil nozzle 15, lower oil pipe 16.The diameter of upper head plate 10, lower end sheet 17 is than the slightly larger in diameter of outer weld-ring, and the two ends of urceolus 18 are welded on upper head plate 10, lower end sheet 17 peripheries, and the length of urceolus 18 will make the dish-shaped ring-spring of lower oil cavitie 14 work under preloading condition all the time.Warp up and down oil nozzle 15 is injected into oil in the upper and lower oil pocket.Vibration damper is installed on the two articles of Relative Vibration through upper and lower mounting hole, when the distance of two articles diminishes, upper oil cavitie multilayer dish ring-spring is compressed, volume diminishes, lower oil cavitie 14 is stretched, it is large that volume becomes, and oil flows to controller 12 from upper oil nozzle 9 through upper oil pipe 11, flows to lower oil cavitie 14 through lower oil pipe 16, lower oil nozzle 15 again.Like this, the motion of piston 5, piston rod 6 does not contact with oil with sealing, as long as be no more than Endurance limits of material.Consume a part of vibrational energy and heat radiation in upper and lower oil pipe, main vibrational energy consumption is in controller.
That this vibration damper is used is very flexible because of the oily via controller circulation in upper and lower chamber.Controller can be a manual finished product speed control valve, and the different damping constant of the vibration damper furnishing of same model is very convenient.Controller can also be the mechanical motion control valve, size or the switch of the displacement control damping hole of the object of usefulness Relative Vibration.Controller also can be a solenoid valve, electricity consumption SC sigmal control damping hole working state.
This vibration damper has certain spring action.
Claims (2)
1. dish-shaped ring-spring dydraulic shock absorber, comprise piston and urceolus, it is characterized in that the bottom of upper oil cavitie (13) and piston plate (5) upper surface is affixed, the top of lower oil cavitie and piston plate (5) lower surface are affixed, piston plate (5) central authorities are provided with screw, piston rod (6) is connected with piston plate (5) by screw thread, and piston rod (6) passes lower end sheet (17) with the splaying cooperation of mounting hole (2); Upper oil cavitie (13) and lower oil cavitie (14) are that multi-disc dish ring-spring (3) forms, the upper oil cavitie top is provided with the upper oil nozzle (9) that passes end plate (10), upper oil nozzle (9) connects oil pipe (11), the lower oil cavitie bottom is provided with the lower oil nozzle (15) that passes lower end sheet (17), lower oil nozzle (15) is stringed (16), is provided with controller (12) between upper oil pipe (11) and the lower oil pipe (16); The joint of every one deck circle of multi-disc dish ring-spring (3) is equipped with uniform eight oil-through holes (4), and upper and lower oil pocket all is located in the urceolus (18).
2. a kind of dish-shaped ring-spring dydraulic shock absorber as claimed in claim 1 is characterized in that described controller (12) is modulating valve, comprises a kind of of hand control valve, machine control valve, solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103898258A CN102900800A (en) | 2012-10-15 | 2012-10-15 | Hydraulic shock absorber with butterfly-shaped annular springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103898258A CN102900800A (en) | 2012-10-15 | 2012-10-15 | Hydraulic shock absorber with butterfly-shaped annular springs |
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| Publication Number | Publication Date |
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| CN102900800A true CN102900800A (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103898258A Pending CN102900800A (en) | 2012-10-15 | 2012-10-15 | Hydraulic shock absorber with butterfly-shaped annular springs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511788A (en) * | 2013-07-26 | 2014-01-15 | 浙江吉利汽车有限公司 | Linear frequency modulation valve |
| CN109667873A (en) * | 2018-12-21 | 2019-04-23 | 北京久硕新材科技发展有限公司 | Using the damper of the double dampings of cascade double-piston and using the vehicle of the damper |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126808A (en) * | 1995-01-09 | 1996-07-17 | 蒋东生 | Damper as two-way rigidity regulator for carriage hanging system |
| CN2743617Y (en) * | 2004-08-11 | 2005-11-30 | 陈邦锐 | External circulation variable damping cylinder |
| CN1932324A (en) * | 2006-10-09 | 2007-03-21 | 毛学军 | Adjustable disc-shape spring mechanical vibration reducing damper |
| CN201407309Y (en) * | 2009-04-27 | 2010-02-17 | 袁瀚森 | Expansion airbag type shock absorber |
| DE102010012035A1 (en) * | 2010-03-19 | 2011-09-22 | Bayerische Motoren Werke Aktiengesellschaft | Strut for providing spring suspension of e.g. front wheel in motorcycle, has elastomer spring elements whose pretension is adjusted by actuators that are arranged at cylinder housing |
| WO2012074458A1 (en) * | 2010-11-29 | 2012-06-07 | Scania Cv Ab | Air spring, piston and vehicle |
| CN202851797U (en) * | 2012-10-15 | 2013-04-03 | 西南交通大学 | Dish-shaped annular spring hydraulic shock absorber |
-
2012
- 2012-10-15 CN CN2012103898258A patent/CN102900800A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126808A (en) * | 1995-01-09 | 1996-07-17 | 蒋东生 | Damper as two-way rigidity regulator for carriage hanging system |
| CN2743617Y (en) * | 2004-08-11 | 2005-11-30 | 陈邦锐 | External circulation variable damping cylinder |
| CN1932324A (en) * | 2006-10-09 | 2007-03-21 | 毛学军 | Adjustable disc-shape spring mechanical vibration reducing damper |
| CN201407309Y (en) * | 2009-04-27 | 2010-02-17 | 袁瀚森 | Expansion airbag type shock absorber |
| DE102010012035A1 (en) * | 2010-03-19 | 2011-09-22 | Bayerische Motoren Werke Aktiengesellschaft | Strut for providing spring suspension of e.g. front wheel in motorcycle, has elastomer spring elements whose pretension is adjusted by actuators that are arranged at cylinder housing |
| WO2012074458A1 (en) * | 2010-11-29 | 2012-06-07 | Scania Cv Ab | Air spring, piston and vehicle |
| CN202851797U (en) * | 2012-10-15 | 2013-04-03 | 西南交通大学 | Dish-shaped annular spring hydraulic shock absorber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511788A (en) * | 2013-07-26 | 2014-01-15 | 浙江吉利汽车有限公司 | Linear frequency modulation valve |
| CN103511788B (en) * | 2013-07-26 | 2015-09-02 | 浙江吉利汽车有限公司 | A kind of linear frequency modulation valve |
| CN109667873A (en) * | 2018-12-21 | 2019-04-23 | 北京久硕新材科技发展有限公司 | Using the damper of the double dampings of cascade double-piston and using the vehicle of the damper |
| CN109667873B (en) * | 2018-12-21 | 2021-07-16 | 北京久硕新材科技发展有限公司 | Shock absorber adopting cascade double-piston double-damping |
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Application publication date: 20130130 |