CN104389944A - Spring and nanometer particle mixed liquid combined shock absorber - Google Patents
Spring and nanometer particle mixed liquid combined shock absorber Download PDFInfo
- Publication number
- CN104389944A CN104389944A CN201410475420.5A CN201410475420A CN104389944A CN 104389944 A CN104389944 A CN 104389944A CN 201410475420 A CN201410475420 A CN 201410475420A CN 104389944 A CN104389944 A CN 104389944A
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- China
- Prior art keywords
- cylinder barrel
- piston
- nano particle
- sealing
- mixing material
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- 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.)
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
Abstract
The invention discloses a spring and nanometer particle mixed liquid combined shock absorber. The spring and nanometer particle mixed liquid combined shock absorber comprises a working cylinder barrel, wherein an upper side opening of the working cylinder barrel is fixedly connected with a cylinder barrel end cover; the cylinder barrel end cover realizes the sealing with the working cylinder barrel through a first sealing piece; the internal of the working cylinder barrel is connected with a piston; a projection ring at the lower end of the piston realizes the sealing with the working cylinder barrel through a second sealing ring; a shaft neck part of the piston penetrates through the cylinder barrel end cover, and realizes the sealing with the cylinder barrel end cover through a third sealing piece; a compression spring is mounted between the outer side of the piston and the lower side of the cylinder barrel end cover; nanometer particle mixed liquid is filled in a space consisting of the working cylinder barrel, the cylinder barrel end cover and the piston; in operation, the nanometer particle mixed liquid flows in a nanometer particle mixed liquid runner along with vertical movement of the piston; the viscosity of lubricating oil of the hydraulic shock absorber is improved; and the shock absorbability is improved.
Description
Technical field
The invention belongs to damping shock absorber technical field, particularly a kind of spring and nano particle mixing material Combined-type shock-absorption device.
Background technique
Vibration damper is the critical component of vehicle suspension system, plays damping, maintains and improve the effect of vehicle riding comfort and stability.The vibration damper that current vehicle generally uses is mostly hydraulic damper, its agent structure comprises the parts such as clutch release slave cylinder, piston, guiding device, oil storage cylinder, these parts are coaxial layout, its working principle is: in the process that vehicle travels, shock and vibration from road surface can make piston move reciprocatingly relative to clutch release slave cylinder in clutch release slave cylinder by the transmission of cylinder body, by the compression valve be arranged on piston and rebuilt valve to control the flowing of the damping oil in clutch release slave cylinder to realize damping shock absorption.
Along with the continuous progress of science and technology, people improve constantly the travelling comfort of automobile and the requirement of Safety performance, more and more high to the requirement of automobile hydraulic shock-damping device lubricant oil, excellent viscosity temperature characteristic, low temperature flow must be possessed, resistance to wear and high-temperature stability, the base oil of existing automobile hydraulic shock-damping device oil is naphthene base crude oil, add single phenol type antioxidant, the shortcoming of this oil is that viscosity index is low, evaporation loss is larger, viscosity temperature characteristic and cryogenic property poor, performance influenced by ambient temperature is stable not; In addition, the vibration damper that existing automobile uses, when through the overweight road jolted, due to existing vibration damper limited capacity, make automotive body dipping and heaving comparatively large, cause a lot of discomforts to driver and passenger, therefore can not meet Security and the travelling comfort requirement of automobile.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of spring and nano particle mixing material Combined-type shock-absorption device, hydraulic damper oil body is improved, and damping performance is improved.
In order to achieve the above object, the present invention takes following technological scheme:
A kind of spring and nano particle mixing material Combined-type shock-absorption device, comprise work cylinder barrel 1, the upside opening of work cylinder barrel 1 is fixed with cylinder barrel end cap 2, cylinder barrel end cap 2 realizes the sealing with work cylinder barrel 1 by the first Sealing 3, work cylinder barrel 1 inside connects piston 4, the convex hole of piston 4 lower end realizes the sealing with work cylinder barrel 1 by the second Sealing 5, the collar of piston 4 is through cylinder barrel end cap 2, and realize the sealing with cylinder barrel end cap 2 by the 3rd Sealing 7, outside the collar of piston 4 and between the downside of cylinder barrel end cap 2, compressible spring 6 is housed, work cylinder barrel 1, nano particle mixing material 8 is filled with in the space that cylinder barrel end cap 2 and piston 4 form.
The convex hole of described piston 4 lower end is provided with nano particle mixing material runner 4-1, and during work, along with moving up and down of piston 4, nano particle mixing material 8 flows in nano particle mixing material runner 4-1.
The nano particle 8-2 of described nano particle mixing material 8 to be the average diameter size of adding its mass fraction 5% ~ 15% in hydraulic oil 8-1 be 50 ~ 100nm mixes, and wherein nano particle 8-2 is SiC, SiO
2or AL
2o
3ceramic particle, or metal granule, or carbon granule.Described hydraulic oil 8-1 is normal hydraulic oil.
Advantage of the present invention:
(1) hydraulic damper oil body is improved.The base oil of existing automobile hydraulic shock-damping device oil is naphthene base crude oil; add single phenol type antioxidant; the shortcoming of this oil is that viscosity index is low, viscosity temperature characteristic and cryogenic property poor; performance influenced by ambient temperature is stable not; and the nano particle mixing material that the present invention adopts be add in hydraulic oil 8-1 its mass fraction be 5% ~ 15% average diameter size be that the nano particle 8-2 of 50 ~ 100nm mixes, wherein nano particle 8-2 both can be SiC, SiO
2or AL
2o
3deng ceramic particle, also can be metal granule or carbon granule, it is high that this nano particle mixing material has viscosity index, the feature of stable performance.
(2) damping performance is improved.The special pressure oil that the nano particle mixed solution that the present invention adopts is mixed to form by nano particle and hydraulic oil, wherein nano particle can be SiC, SiO
2or AL
2o
3deng ceramic particle; also can be nano level metal granule or carbon granule; in vibration damper working procedure; this nano particle mixed solution can improve damping performance owing to having higher viscosity on the one hand; on the other hand; should in the movement process of nano particle mixed solution, can there is collision mutually or can collide with piston before nano particle enters nano particle mixing material runner in nano particle wherein self, thus improve damping performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is schematic three dimensional views of the present invention.
Fig. 3 is the schematic three dimensional views of work cylinder barrel 1 of the present invention.
Fig. 4 is the schematic three dimensional views of piston 4 of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of spring and nano particle mixing material Combined-type shock-absorption device, comprise work cylinder barrel 1, the upside opening of work cylinder barrel 1 is fixed with cylinder barrel end cap 2, cylinder barrel end cap 2 realizes the sealing with work cylinder barrel 1 by the first Sealing 3, work cylinder barrel 1 inside connects piston 4, the convex hole of piston 4 lower end realizes the sealing with work cylinder barrel 1 by the second Sealing 5, the collar of piston 4 is through cylinder barrel end cap 2, and realize the sealing with cylinder barrel end cap 2 by the 3rd Sealing 7, outside the collar of piston 4 and between the downside of cylinder barrel end cap 2, compressible spring 6 is housed, work cylinder barrel 1, nano particle mixing material 8 is filled with in the space that cylinder barrel end cap 2 and piston 7 form.
With reference to Fig. 1 and Fig. 4; described piston 4 comprise be distributed on piston 4 lower end convex hole on two row 16 nano particle mixing material runner 4-1 altogether; during work, along with moving up and down of piston 4, nano particle mixing material 8 can flow in nano particle mixing material runner 4-1.
With reference to Fig. 1, the nano particle 8-2 of described nano particle mixing material 8 to be the average diameter size of adding its mass fraction 5% ~ 15% in hydraulic oil 8-1 be 50 ~ 100nm mixes, and wherein nano particle 8-2 both can be SiC, SiO
2or AL
2o
3deng ceramic particle, also can be metal granule or carbon granule.
Working principle of the present invention is:
In the process that vehicle travels at bump course, shock and vibration from road surface can make piston 4 generation pump: (1) is when piston 4 produces downward motion, on the one hand, active force from compressible spring 6 can be used for slowing down the trend that piston 4 moves downward, on the other hand, be filled in by work cylinder barrel 1, nano particle mixing material 8 in the space that cylinder barrel end cap 2 and piston 4 form can be forced through nano particle mixing material runner 4-1 from the spatial flow below piston 4 to piston 4 above space, in this process, not only can produce between the nano particle 8-2 of nano particle mixing material 8 inside and interact with the kinetic energy consuming piston movement, thus stop piston 4 to move downward, and, when nano particle mixing material 8 all can produce strong shock with the convex hole lower end surface 4-3 of piston 4 lower end before entering nano particle mixing material runner 4-1, thus stop piston 4 to move downward, (2) when piston 4 produces motion upwards, on the one hand, active force from compressible spring 6 can be used for slowing down the trend that piston 4 moves upward, on the other hand, be filled in by work cylinder barrel 1, nano particle mixing material 8 in the space that cylinder barrel end cap 2 and piston 4 form can be forced through the spatial flow space to piston 4 below of nano particle mixing material runner 4-1 above piston 4, in this process, not only can produce between the nano particle 8-2 of nano particle mixing material 8 inside and interact with the kinetic energy consuming piston movement, thus stop piston 4 to move upward, and, when nano particle mixing material 8 all can produce strong shock with the convex hole upper-end surface 4-2 of piston 4 lower end before entering nano particle mixing material runner 4-1, thus stop piston 4 to move upward, with reference to shown in Fig. 1 and Fig. 4.
Claims (3)
1. a spring and nano particle mixing material Combined-type shock-absorption device, comprise work cylinder barrel (1), it is characterized in that: the upside opening of work cylinder barrel (1) is fixed with cylinder barrel end cap (2), cylinder barrel end cap (2) realizes the sealing with work cylinder barrel (1) by the first Sealing (3), work cylinder barrel (1) inside connects piston (4), the convex hole of piston (4) lower end realizes the sealing with work cylinder barrel (1) by the second Sealing (5), the collar of piston (4) is through cylinder barrel end cap (2), and realize the sealing with cylinder barrel end cap (2) by the 3rd Sealing (7), outside the collar of piston (4) and between the downside of cylinder barrel end cap (2), compressible spring (6) is housed, work cylinder barrel (1), nano particle mixing material (8) is filled with in the space that cylinder barrel end cap (2) and piston (4) form,
The convex hole of described piston (4) lower end is provided with nano particle mixing material runner (4-1); during work; along with moving up and down of piston (4), nano particle mixing material (8) flows in nano particle mixing material runner (4-1).
2. a kind of spring according to claim 1 and nano particle mixing material Combined-type shock-absorption device; it is characterized in that: described nano particle mixing material (8) is that the nano particle (8-2) being 50 ~ 100nm in the middle average diameter size of adding its mass fraction 5% ~ 15% of hydraulic oil (8-1) mixes, and wherein nano particle (8-2) is SiC, SiO
2or AL
2o
3ceramic particle, or metal granule, or carbon granule.
3. a kind of spring according to claim 1 and nano particle mixing material Combined-type shock-absorption device, is characterized in that: described hydraulic oil (8-1) is normal hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475420.5A CN104389944A (en) | 2014-09-17 | 2014-09-17 | Spring and nanometer particle mixed liquid combined shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475420.5A CN104389944A (en) | 2014-09-17 | 2014-09-17 | Spring and nanometer particle mixed liquid combined shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104389944A true CN104389944A (en) | 2015-03-04 |
Family
ID=52607889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410475420.5A Pending CN104389944A (en) | 2014-09-17 | 2014-09-17 | Spring and nanometer particle mixed liquid combined shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104389944A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546022A (en) * | 2016-02-22 | 2016-05-04 | 江苏科技大学 | Passive ship-based equipment impact-resistant platform based on six-degree-of-freedom parallel mechanism |
| CN106438825A (en) * | 2016-09-07 | 2017-02-22 | 南京航空航天大学 | Particle and spring combined type bumper |
| CN109236931A (en) * | 2018-09-28 | 2019-01-18 | 常州大学 | One kind is based on disturbance suspension turbulence type damper |
| CN113090698A (en) * | 2021-03-26 | 2021-07-09 | 北京三快在线科技有限公司 | Damper, unmanned aerial vehicle foot rest and unmanned aerial vehicle |
| CN113803402A (en) * | 2021-10-08 | 2021-12-17 | 广州金满鸿电子科技有限公司 | Damping device of automatic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202194988U (en) * | 2011-08-03 | 2012-04-18 | 成都驹涛网络科技有限公司 | Leak-proof shock absorber |
| DE102011051710B3 (en) * | 2011-07-08 | 2012-08-16 | Stabilus Gmbh | Tension spring for locking doors or flaps of furniture, has cylinder which is divided in gas chamber and hydraulic chamber by piston, where gas chamber is filled with gas stands under pressure |
| CN103291803A (en) * | 2013-04-03 | 2013-09-11 | 华中科技大学 | Damping force controllable viscous damper and intelligent monitoring and control system of damping force controllable viscous damper |
| CN203702974U (en) * | 2014-03-11 | 2014-07-09 | 广东星徽精密制造股份有限公司 | Buffer of hydraulic guide rail |
-
2014
- 2014-09-17 CN CN201410475420.5A patent/CN104389944A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011051710B3 (en) * | 2011-07-08 | 2012-08-16 | Stabilus Gmbh | Tension spring for locking doors or flaps of furniture, has cylinder which is divided in gas chamber and hydraulic chamber by piston, where gas chamber is filled with gas stands under pressure |
| CN202194988U (en) * | 2011-08-03 | 2012-04-18 | 成都驹涛网络科技有限公司 | Leak-proof shock absorber |
| CN103291803A (en) * | 2013-04-03 | 2013-09-11 | 华中科技大学 | Damping force controllable viscous damper and intelligent monitoring and control system of damping force controllable viscous damper |
| CN203702974U (en) * | 2014-03-11 | 2014-07-09 | 广东星徽精密制造股份有限公司 | Buffer of hydraulic guide rail |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546022A (en) * | 2016-02-22 | 2016-05-04 | 江苏科技大学 | Passive ship-based equipment impact-resistant platform based on six-degree-of-freedom parallel mechanism |
| CN106438825A (en) * | 2016-09-07 | 2017-02-22 | 南京航空航天大学 | Particle and spring combined type bumper |
| CN109236931A (en) * | 2018-09-28 | 2019-01-18 | 常州大学 | One kind is based on disturbance suspension turbulence type damper |
| CN109236931B (en) * | 2018-09-28 | 2020-04-28 | 常州大学 | Turbulent damper based on disturbance turbid liquid |
| CN113090698A (en) * | 2021-03-26 | 2021-07-09 | 北京三快在线科技有限公司 | Damper, unmanned aerial vehicle foot rest and unmanned aerial vehicle |
| CN113803402A (en) * | 2021-10-08 | 2021-12-17 | 广州金满鸿电子科技有限公司 | Damping device of automatic equipment |
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| PB01 | Publication | ||
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Application publication date: 20150304 |
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| RJ01 | Rejection of invention patent application after publication |