CN2287686Y - Shock absorber with rectangular section flow way changeable damper - Google Patents
Shock absorber with rectangular section flow way changeable damper Download PDFInfo
- Publication number
- CN2287686Y CN2287686Y CN 96250830 CN96250830U CN2287686Y CN 2287686 Y CN2287686 Y CN 2287686Y CN 96250830 CN96250830 CN 96250830 CN 96250830 U CN96250830 U CN 96250830U CN 2287686 Y CN2287686 Y CN 2287686Y
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- adorning
- cylinder barrel
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- work cylinder
- piston rod
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Abstract
The utility model relates to a shock absorber of a changeable damper with a rectangular section flow way. Two layers of working cylinders are arranged in a sealed cylinder body, and both ends of the cylinder are sealed by a blockage and a sealing ring; a changeable damper which is provided with the rectangular section flow way is arranged on one end of the cylinder; a piston rod which is provided with pistons and sealing rings is arranged in the cavity of the working cylinder of the inner layer; a foot valve assembly is arranged at the bottom of a piston cavity, and current liquids are arranged in the cavity; the changeable damper in the shock absorber is an independent device, which has a convenient installation and operation, and the damping force can be automatically adjusted accompanied with the change of the working condition. The operation of the device is enabled to reach easement and safety, and therefore, the shock absorber has a high work adaptation and can be used for devices which need shock absorption of the industrial fields, such as automobiles, the aviation, the sailing, the engineering machinery, etc.
Description
The utility model belongs to a kind of vibration damping equipment, particularly a kind of vibration damping equipment with rectangular cross-section runner variable damper.
At present, the passive hydraulic damper of the most employings of the vibration damping equipment of on automobile, using, its structure mainly is made up of connecting rod, piston, clutch release slave cylinder and oil storage cylinder.Piston is divided into active chamber up and down with damper, clutch release slave cylinder.The damper working solution flows between upper and lower cavity by the throttle orifice that piston is provided with, and produces throttle resistance thus, i.e. the damping force that provides of damper.But this damping force is uncontrollable.Therefore, the shortcoming of passive damping device is that damper is desirable under a certain operating conditions only, under the situation that departs from this operating conditions, can not do the adjustment of relevant parameter, can't adjust its damping characteristic according to concrete real work situation.Thereby can not realize Optimum Matching, thereby make it reach smoothness and Security optimum with the region of interest of machine.Vibration damper in the automobile ACTIVE CONTROL suspension system of recent development, its structure are very complicated, and manufacture difficulty is big, the cost height, and it is narrow to adapt to frequency range.
The purpose of this utility model be to overcome deficiency of the prior art and a kind of structure tube list be provided, be easy to make, the vibration damping equipment with rectangular cross-section runner variable damper with low cost.
The purpose of this utility model can realize by following measure:
Structure with vibration damping equipment of rectangular cross-section runner variable damper is, there are the two ends of the cylindrical shell (2) of lead perforation (1) installing lower cover (3) and loam cake (4) thereon, adorning work cylinder barrel (5) in the cylindrical shell and the work cylinder barrel (8) of liquid-through hole (6) and (7) is being arranged on it, close-fitting with it down stifled (9) and last stifled (10) are being adorned at the two ends of cylinder barrel respectively, and adorning seal ring (11) and (12) respectively in the contacting point of itself and cylinder barrel, adorning current liquid (13) in the chamber of work cylinder barrel (8), also adorning the piston rod that an end is piston (14) (15) in its chamber, the other end of piston rod stretches out the outside of loam cake (4), adorning seal ring (16) on the piston, dust ring (17) is being adorned in the contacting point of piston rod and loam cake (4), adorning guide sleeve (18) between the upper end of work cylinder barrel (8) and the piston rod, the contacting point of its guide sleeve and piston rod (15) and last stifled (10) is being adorned seal ring (19) and (20) respectively, adorning between the lower end of work cylinder barrel (8) and following stifled (9) and having rectangular cross-section runner variable damper (21), bottom valve assembly (22) is being adorned in the centre of down stifled (9), adorning bottom plug (23) between bottom valve assembly and the lower cover (3), seal ring (24) is being adorned in bottom plug and cylindrical shell contacting point, has earrings hole (25) on the projection of lower cover.
The structure with rectangular cross-section runner variable damper of this vibration damping equipment is: adorning its side in the inboard of work cylinder barrel (5) bottom has the dead ring of throttling groove (26) (27), there are the dead ring (30) of throttling groove (28) and threading hole (29) and the dead ring (32) that there are throttling groove (31) side in the side, dead ring (27), (30), (32) engaged, and the staggered assembling of its throttling groove also closely cooperates with sleeve, adorning metal damping ring (33) between dead ring (27) and (30), adorning metal damping ring (34) between dead ring (30) and (32), the radius of damping ring is identical to form the annular pass that its cross section is a rectangle (35) with the radius at dead ring throttling groove place, two damping rings connect with the lead that passes threading hole (29), and draw lead (36) from damping ring (34) and work cylinder barrel (5).
The utility model compared with prior art has following advantage:
Damper in this vibration damper is the variable damper with rectangular cross-section runner, and its variable damper can make an independent devices, is installed in the vibration damping equipment easily.Current liquid in the work cylinder barrel under the high voltage electric field effect, produces variable damping effect at damper rectangular cross-section passage.Can obtain the damping value of respective change along with the variation that applies electric field strength.Therefore when operating conditions changed, the damping value of damper is corresponding to change, thereby vibration is played inhibitory action, makes it reach the smooth-going and safety of work.Therefore this vibration damping equipment labor aptitude is strong, and structure tube list is easy to make, and cost is low.Needing in the equipment of vibration damping in the industrial fields such as automobile, aviation, navigation, engineering machinery can be used for.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the structural representation of the utility model vibration damping equipment;
Fig. 2 is the structural representation that has rectangular cross-section runner variable damper among Fig. 1;
Fig. 3 is an A--A sectional drawing among Fig. 2;
Fig. 4 is a bottom valve assembly structure schematic representation among Fig. 1.
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail:
The structure that is applied in the vibration damping equipment with rectangular cross-section runner variable damper on the automobile as shown in Figure 1, there are the two ends of the cylindrical shell (2) of lead perforation (1) installing lower cover (3) and loam cake (4) thereon, adorning work cylinder barrel (5) in the cylindrical shell and the work cylinder barrel (8) of liquid-through hole (6) and (7) is being arranged on it, close-fitting with it down stifled (9) and last stifled (10) are being adorned at the two ends of cylinder barrel respectively, and adorning seal ring (11) and (12) respectively in the contacting point of itself and cylinder barrel, adorning current liquid (13) in the chamber of work cylinder barrel (8), also adorning the piston rod that an end is piston (14) (15) in its chamber, the other end of piston rod stretches out the outside of loam cake (4), adorning seal ring (16) on the piston, felt dust ring (17) is being adorned in the contacting point of piston rod and loam cake (4), adorning guide sleeve (18) between the upper end of work cylinder barrel (8) and the piston rod, the contacting point of its guide sleeve and piston rod (15) and last stifled (10) is being adorned seal ring (19) and (20) respectively, adorning between the lower end of work cylinder barrel (8) and following stifled (9) and having rectangular cross-section runner variable damper (21), bottom valve assembly (22) is being assembled in the centre of down stifled (9), adorning bottom plug (23) between bottom valve assembly and the lower cover (3), seal ring (24) is being adorned in bottom plug and cylindrical shell contacting point, has earrings hole (25) on the projection of lower cover.
Structure such as Fig. 2 of this vibration damping equipment with rectangular cross-section runner variable damper, shown in Figure 3, adorning its side in the inboard of work cylinder barrel (5) bottom the dead ring of throttling groove (26) (27) is being arranged, there are the dead ring (30) of throttling groove (28) and threading hole (29) and the dead ring (32) that there are throttling groove (31) side in the side, dead ring (27), (30), (32) engaged, and the staggered assembling of its throttling groove also closely cooperates with sleeve, adorning metal damping ring (33) between dead ring (27) and (30), adorning metal damping ring (34) between dead ring (30) and (32), the radius of damping ring is identical to form the annular pass that its cross section is a rectangle (35) with the radius at dead ring throttling groove place, two damping rings connect with the lead that passes threading hole (29), and draw lead (36) from damping ring (34) and work cylinder barrel (5).
The bottom valve assembly of this vibration damping equipment adopts existing structure, as shown in Figure 4, goes up suit at bolt (37) and nut (38), and the nut below is being adorned spring (39), pressing plate (40), base (42) and valve pad (43) and (44) of liquid-through hole (41) are arranged on it.Between valve pad (43) and the base (42) gapped (45).
During use, the lower cover (3) of vibration damping equipment is fixed on the axletree by earrings hole (25) with pin, piston rod (15) is connected on the vehicle body.When body vibrations makes piston rod (15) when pulling out, the intracavity liquid that piston (14) compression piston bar (15) and work cylinder barrel (8) form flows into the gap of work cylinder barrel (8) and cylinder barrel (5) by liquid-through hole (6), flows into variable damper (21) again.In variable damper, flow in the annular pass (35) of damping ring (33) and cylinder barrel (5) formation by the throttling groove (26) on the dead ring (27) earlier, flow in the annular pass (36) of damping ring (34) and cylinder barrel (5) formation by the throttling groove (28) on the dead ring (30), throttling groove (31) and the liquid-through hole (7) by dead ring (32) flows in the chamber of piston (14) bottom work cylinder barrel (8) more again.Because this cavity pressure reduces, liquid in cylindrical shell this moment (2) and cylinder barrel (5) gap is by work cylinder barrel (5) and the following gap that forms of stifled (9) and bottom plug (23), again in the chamber of cylinder barrel (8) is worked in liquid-through hole (41) inflow piston (14) bottom of bottom valve assembly (22) with liquid make-up.In variable damper (21), liquid is applying under the effect of electric field after flowing into the annular pass, and liquid produces electric rheological effect, thereby produces damping force, suppresses piston rod (15) and continues to pull out, thereby reach the vibration damping purpose.When body vibrations makes piston rod (15) when depressing, liquid in piston (14) the compression piston lower chamber flows into the variable damper (21) liquid on the one hand from liquid-through hole (7), produce damping force again, suppress piston (14) and continue to depress, thereby reach the vibration damping purpose.Store in the gap of liquid-through hole (41) inflow work cylinder barrel (5) that the liquid in piston (14) lower chamber also can be by bottom valve assembly (22) and cylindrical shell (2) on the other hand.
Claims (2)
1, a kind of vibration damping equipment with rectangular cross-section runner variable damper, be in cylindrical shell, to adorn working cylinder, adorning piston in the work cylinder barrel, it is characterized in that: have the two ends of the cylindrical shell (2) of lead perforation (1) installing lower cover (3) and loam cake (4) thereon, adorning work cylinder barrel (5) in the cylindrical shell and the work cylinder barrel (8) of liquid-through hole (6) and (7) is being arranged on it, close-fitting with it down stifled (9) and last stifled (10) are being adorned at the two ends of cylinder barrel respectively, and adorning seal ring (11) and (12) respectively in the contacting point of itself and cylinder barrel, adorning current liquid (13) in the chamber of work cylinder barrel (8), also adorning the piston rod that an end is piston (14) (15) in its chamber, the other end of piston rod stretches out the outside of loam cake (4), adorning seal ring (16) on the piston, dust ring (17) is being adorned in the contacting point of piston rod and loam cake (4), adorning guide sleeve (18) between the upper end of work cylinder barrel (8) and the piston rod, the contacting point of its guide sleeve and piston rod (15) and last stifled (10) is being adorned seal ring (19) and (20) respectively, adorning between the lower end of work cylinder barrel (8) and following stifled (9) and having rectangular cross-section runner variable damper (21), bottom valve assembly (22) is being adorned in the centre of down stifled (9), adorning bottom plug (23) between bottom valve assembly and the lower cover (3), seal ring (24) is being adorned in bottom plug and cylindrical shell contacting point, has earrings hole (25) on the projection of lower cover.
2, according to the said vibration damping equipment of claim 1, it is characterized in that: the structure with rectangular cross-section runner variable damper is: adorning its side in the inboard of work cylinder barrel (5) bottom has the dead ring of throttling groove (26) (27), there are the dead ring (30) of throttling groove (28) and threading hole (29) and the dead ring (32) that there are throttling groove (31) side in the side, dead ring (27), (30), (32) engaged, and the staggered assembling of its throttling groove also closely cooperates with sleeve, adorning metal damping ring (33) between dead ring (27) and (30), adorning metal damping ring (34) between dead ring (30) and (32), the radius of damping ring is identical to form the annular pass that its cross section is a rectangle (35) with the radius at dead ring throttling groove place, two damping rings connect with the lead that passes threading hole (29), and draw lead (36) from damping ring (34) and work cylinder barrel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96250830 CN2287686Y (en) | 1996-12-17 | 1996-12-17 | Shock absorber with rectangular section flow way changeable damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96250830 CN2287686Y (en) | 1996-12-17 | 1996-12-17 | Shock absorber with rectangular section flow way changeable damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2287686Y true CN2287686Y (en) | 1998-08-12 |
Family
ID=33921498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96250830 Expired - Fee Related CN2287686Y (en) | 1996-12-17 | 1996-12-17 | Shock absorber with rectangular section flow way changeable damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2287686Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312414C (en) * | 2004-12-29 | 2007-04-25 | 上海交通大学 | Dual mode electro-rheologic vibration isolator with gate electrodes |
| CN101793301A (en) * | 2009-02-03 | 2010-08-04 | 康尼公司 | Yaw damper with pump |
| CN105736623A (en) * | 2016-04-26 | 2016-07-06 | 长春孔辉汽车科技股份有限公司 | Pressure-controlled adjustable damping vibration absorber |
| CN106239246A (en) * | 2016-08-13 | 2016-12-21 | 哈尔滨理工大学 | The electric current of adjustable damping and rigidity becomes vibration damping to be pressed down and quivers handle of a knife and vibration damping presses down method of quivering |
| CN109404476A (en) * | 2018-12-14 | 2019-03-01 | 哈尔滨工程大学 | A kind of embedded multi-channel shunt runner MR damper |
| CN110878778A (en) * | 2019-11-28 | 2020-03-13 | 宁波文泽机电技术开发有限公司 | Engineering machinery vibration damper |
-
1996
- 1996-12-17 CN CN 96250830 patent/CN2287686Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312414C (en) * | 2004-12-29 | 2007-04-25 | 上海交通大学 | Dual mode electro-rheologic vibration isolator with gate electrodes |
| CN101793301A (en) * | 2009-02-03 | 2010-08-04 | 康尼公司 | Yaw damper with pump |
| CN101793301B (en) * | 2009-02-03 | 2014-06-11 | 康尼公司 | Yaw damper with pump |
| CN105736623A (en) * | 2016-04-26 | 2016-07-06 | 长春孔辉汽车科技股份有限公司 | Pressure-controlled adjustable damping vibration absorber |
| CN105736623B (en) * | 2016-04-26 | 2017-11-24 | 长春孔辉汽车科技股份有限公司 | A kind of voltage-controlled adaptive transmission control |
| CN106239246A (en) * | 2016-08-13 | 2016-12-21 | 哈尔滨理工大学 | The electric current of adjustable damping and rigidity becomes vibration damping to be pressed down and quivers handle of a knife and vibration damping presses down method of quivering |
| CN109404476A (en) * | 2018-12-14 | 2019-03-01 | 哈尔滨工程大学 | A kind of embedded multi-channel shunt runner MR damper |
| CN109404476B (en) * | 2018-12-14 | 2020-11-03 | 哈尔滨工程大学 | Embedded multi-channel bypass flow channel magnetorheological damper |
| CN110878778A (en) * | 2019-11-28 | 2020-03-13 | 宁波文泽机电技术开发有限公司 | Engineering machinery vibration damper |
| CN110878778B (en) * | 2019-11-28 | 2021-07-09 | 山东金利液压科技有限公司 | Engineering machinery vibration damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |