CN101968093A - Hydraulic buffer - Google Patents
Hydraulic buffer Download PDFInfo
- Publication number
- CN101968093A CN101968093A CN 201010502573 CN201010502573A CN101968093A CN 101968093 A CN101968093 A CN 101968093A CN 201010502573 CN201010502573 CN 201010502573 CN 201010502573 A CN201010502573 A CN 201010502573A CN 101968093 A CN101968093 A CN 101968093A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- base
- oil
- piston
- outer cylinder
- 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
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The invention discloses a hydraulic buffer, which belongs to the technical field of buffers. The hydraulic buffer comprises an outer cylinder block, an inner cylinder block, a base, a sealing device, a piston and a piston connecting rod, wherein the inner cylinder block is arranged inside the chamber of the outer cylinder block; the base is in threaded connection with the outer cylinder block and is tightly connected with the inner cylinder block; the sealing device is arranged on the upper part of the chamber of the outer cylinder block; an oil injection channel is formed in the base; liquid in the inner cavity of the lower part of the piston flows into an outer cavity through the oil injection channel; liquid in the outer cavity enter the inner cavity through an inner cylinder oil injection hole on the upper part of the inner cylinder block; and an adjusting rod is arranged in the base and is used for adjusting the overflow area of oil, which flows through the base, in the inner cavity or the outer cavity so as to adjust the bearing area of the hydraulic buffer. The hydraulic buffer has a simple structure and lower processing cost, solves the problems of non-adjustable bearing pressure, instable buffering pressure and oil leakage existing in the conventional hydraulic buffer simultaneously and is suitable for the occasion of large-sized punching and forging hydraulic machinery.
Description
Technical field
The invention belongs to the buffer field, relate in particular to a kind of hydraulic bjuffer.
Background technique
Vibration and noise that buffer produces in order to shock absorbing, in the automated machine operation, can reduce vibrations and noise, the kinetic energy that object is produced in will moving is converted to heat energy and is released in the atmosphere, in action the object balance is effectively stopped, the processing occasion is forged in the large-scale punching press that is widely used in.Buffer generally adopts air pressure and hydraulic bjuffer, particularly hydraulic bjuffer to use much in a lot of hydraulic machineries at present.Hydraulic bjuffer is by cylinder body, cylinder cap, piston and hydraulic oil are formed, wherein piston is by being installed on the cylinder body that the cylinder cap sealing is slided, the inner cavity chamber that forms between this piston and cylinder body is equipped with hydraulic oil, be respectively equipped with the draining passage between inner cavity chamber and the fuel tank, a draining passage is used for buffering draining effect after this piston is subjected to the external force punching press, the second draining passage is used for the effect in the recovery of external force disappearance piston, when being subjected to external impacts, the axle center will drive the hydraulic oil of pipe in the piston extruding, to be discharged one by one by the oil drainage hole of interior pipe behind the hydraulic oil pressurized, the hydraulic oil by interior pipe discharge also is back to interior pipe by the spill port of interior pipe simultaneously; When external force disappeared, spring was with the piston action that initial point waits for next time of rebounding.Principle according to this, hydraulic bjuffer can effectively stop the object balance in moving.Because hydraulic bjuffer more easily produces oil leakage phenomenon at work, thereby makes damping performance descend greatly, also shorten working life thereupon.
Chinese patent CN2474805Y discloses a kind of improvement hydraulic buffer that promotes efficient, and this hydraulic bjuffer comprises oil hydraulic cylinder, an axle, a piston head and a pressure accumulation sponge in the outer tube.Described piston head is the taper piston head, interior oil hydraulic cylinder is respectively established an oil drainage hole at the two ends of piston head, the taper piston head when the oil drainage hole, the variation that tapers off of oil drainage hole area, therefore hydraulic buffer can stop action under less and average resistivity after stressed.But this hydraulic bjuffer up and down fluid between the chamber is by a realization break-make that is arranged on the check steel ball in the valve opening.This check steel ball is arranged in the valve opening and since the check steel ball can make in the fluid of oil hydraulic cylinder be by with the handoff relation of not passing through, the machining accuracy of valve opening internal surface that requires to place this check steel ball is very high, the processing cost of this hydraulic bjuffer improves.Simultaneously, the fluid of this hydraulic bjuffer is big owing to variation in pressure when interior outer chamber passes in and out, the compensator or trimmer pressure instability.Simultaneously, this hydraulic buffer does not have pressure regulating mechanism, can not adapt to the frequent application of load variations.
Summary of the invention
For this reason, technical problem to be solved by this invention is that existing hydraulic bjuffer exists quality of fit requirement height between part, the problem that processing cost is high;
Second technical problem that the present invention will solve is that existing hydraulic bjuffer exists the compensator or trimmer pressure problem of unstable;
The 3rd technical problem that the present invention will solve is that existing hydraulic bjuffer exists the uncontrollable problem of bearing pressure;
The 4th technical problem that the present invention will solve is that existing hydraulic bjuffer exists the problem of leakage of oil oil impregnate.
For solving the problems of the technologies described above, hydraulic bjuffer of the present invention comprises, outer cylinder body with a hollow chamber, place the seal arrangement on the top of described outer cylinder body chamber, place base and the piston and the piston rod of the bottom of described outer cylinder body chamber, one end of described piston rod is fixedly connected with described piston, the upper end that its other end passes described seal arrangement and stretches out described outer cylinder body, also be provided with the column inner cylinder body of hollow in the chamber of described outer cylinder body, described inner cylinder body is provided with the inner casing nozzle opening, described inner cylinder body is with the coaxial setting of described outer cylinder body, its upper end connects with described seal arrangement, and its lower end is tightly connected with described base; The interior inner chamber that also forms between same base, the inner cylinder body of chamber that described piston slides and places described inner cylinder body, form an exocoel between described outer cylinder body, inner cylinder body, seal arrangement and the base, be provided with a fuel injection passage between described inner chamber and the exocoel, during described piston rod pressurized, flow of liquid in the inner chamber of described piston bottom enters exocoel through fuel injection passage, and the inner casing nozzle opening of liquid through inner cylinder body top in the described exocoel enters inner chamber.
Described seal arrangement comprises cylindricality oil sealing base, spill oil sealing, convex oil sealing, and the oil seal cover of hollow; Described spill oil sealing places in the Baltimore groove of described oil sealing base upper end and with its internal surface and is tightly connected, described convex oil sealing places in the convex slot of described oil seal cover and with its internal surface and is tightly connected, and matches with the upper end of described oil sealing base in the lower end of described oil seal cover; One end of described piston rod passes described oil seal cover, convex oil sealing, spill oil sealing and oil sealing base successively fixedlys connected with the piston in the described inner cylinder body.
Be provided with the first oil suction rubber in the exocoel between described inner cylinder body and the outer cylinder body, the described first oil suction rubber closely is connected with outer cylinder body with described inner cylinder body.
The Baltimore groove of described oil sealing base bottom moulding one oil holding slot, the oil that body of rod surface attaches when being used to collect described piston rod and moving up and down, the cross section of described oil holding slot is less than the cross section of described oil sealing base Baltimore groove.
Moulding one oil suction circular groove and closure gasket groove is provided with the O RunddichtringO that fits with described outer cylinder body on the cylinder of the bottom of described oil sealing base in the described closure gasket groove, is provided with the second oil suction rubber that fits with described outer cylinder body in the described oil suction circular groove.
Described fuel injection passage is arranged in the described base, is provided with adjustable lever in the described base, the area of passage the when oil that described adjustable lever is used for regulating inner chamber or exocoel is flowed through base;
During described piston rod pressurized, the flow of liquid in the inner chamber of described piston bottom enters the bottom of exocoel through base and adjustable lever, and the liquid in the described exocoel enters the inner chamber of piston bottom through the inner casing nozzle opening on inner cylinder body top.
Described base has an axial blind hole, is provided with adjustable lever in the axial blind hole of described base, and an end of described adjustable lever has axial blind hole, the fixedly connected regulating handle of the other end; Described regulating handle can drive described adjustable lever and rotate with respect to described base.
Described base removably connects with described outer cylinder body, one end of described base stretches in the chamber of described inner cylinder body, the annular protrusion that its periphery moulding one diameter is big than two ends, described annular protrusion closely connects with the inwall of described inner cylinder body, form first annular space that is communicated with described inner chamber between its top periphery and the described inner cylinder body, the two ends at described annular protrusion on the described base directly upwards are respectively equipped with inner chamber nozzle opening and exocoel nozzle opening;
Described inner chamber nozzle opening is connected with described first annular space, and described exocoel nozzle opening places between the screw thread stationary plane of described inner cylinder body lower end surface and base, and is connected with described exocoel;
Footpath along described adjustable lever upwards is provided with two nozzle openings that are connected with described axial blind hole, when described adjustable lever inserted described base, two nozzle openings on the described adjustable lever were positioned on the same plane perpendicular to the outer cylinder body axis with described inner chamber nozzle opening and exocoel nozzle opening respectively.
The two ends of described inner cylinder body are concordant with the two ends of the described first oil suction rubber, form second annular space between the base periphery at place, described exocoel nozzle opening position and the described outer cylinder body.
Described piston is a hollow columnar piston, the middle part moulding one diameter annular protrusion big of its periphery than two ends, described annular protrusion is slidingly connected with the inwall of described inner cylinder body, described piston respectively is provided with a radial direction through hole that runs through described piston cylinder on the periphery at described annular protrusion two ends, described radial direction through hole is communicated with described inner chamber;
One end of described piston rod is provided with a blind hole and runs through the connecting rod radial direction through hole of described blind hole, and when an end that has blind hole of described piston rod connected with described piston, described piston rod radial direction through hole connected with the radial direction through hole of described piston cylinder.
Described outer cylinder body outside is provided with screw thread, is connected with two set screw nuts, is used for fixing the vibration isolation object.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) mode of outer chamber fluid circulation turnover in the present invention adopts, with respect to comparing by the structure of the break-make of outer chamber in the steel ball realization in the prior art, simple in structure, processing cost reduces.
(2) base intracavity of the present invention is provided with adjustable lever, described adjustable lever and base radially have two nozzle openings respectively, area of passage when the oil that adjustable lever is used for regulating inner chamber or exocoel with respect to base rotation is flowed through base, thereby regulated the load capacity of this hydraulic bjuffer, with respect to existing hydraulic bjuffer, the adjusting time is short, and cushioning effect is obvious.
(3) be provided with oil suction rubber between inner cylinder body of the present invention and the outer cylinder body, oil suction rubber closely is connected with outer cylinder body with described inner cylinder body, can alleviate impact force and the flowing velocity of fluid when interior outer chamber flows under the high pressure effect, make the compensator or trimmer pressure of hydraulic bjuffer stable.
(4) sealing configuration of the present invention is improved to the plane sealing of buffer in the prior art binary sealing of convex oil sealing and oil sealing combination, the inside of convex oil sealing has the arc-shaped convex lock ring on piston rod, described oil sealing base has groove in the part that is connected with described piston rod simultaneously, can in the process that piston rod slides up and down, play the effect that stores fluid, further prevent the leakage of fluid.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural drawing of this hydraulic bjuffer;
Fig. 2 is the erection drawing of base, adjustable lever and regulating handle;
Fig. 3 is the erection drawing of piston and piston rod;
Fig. 4 is the sectional drawing of seal arrangement;
Fig. 5 is the sectional drawing of the first oil suction rubber;
Fig. 6 is a convex oil sealing sectional drawing;
Fig. 7 is the hydraulic bjuffer structural drawing that the second oil suction rubber is not set.
Reference character is expressed as among the figure:
The 1-outer cylinder body 2-inner cylinder body 21-inner casing nozzle opening 5-sealing device 6-hold-down nut 8-first oil suction rubber 9-second oil suction rubber 31-base 32-adjusting rod 33-regulating handle 35-inner chamber nozzle opening 36-exocoel nozzle opening 37-nozzle opening 41-piston 42-piston rod 43-annular protrusion 44-blind hole 45-radial direction through hole 46-radial direction through hole 51-oil seal seat 52-spill oil sealing 53-O shape sealing ring 54-convex oil sealing 55-oil seal cover 56-oil holding slot.
Embodiment
Fig. 1 is a hydraulic bjuffer of the present invention, comprise that one has the outer cylinder body 1 of hollow chamber, place the seal arrangement 5 on the top of described outer cylinder body 1 chamber, place the base 31 of the bottom of described outer cylinder body 1 chamber, and piston 41 and piston rod 42, one end of described piston rod 42 is fixedly connected with described piston 41, the upper end that its other end passes described seal arrangement 5 and stretches out described outer cylinder body 1, also be provided with the column inner cylinder body 2 of hollow in the chamber of described outer cylinder body 1, the upper end of described inner cylinder body 2 connects with described seal arrangement 5, its lower end is tightly connected with described base 31, described piston 41 slides in the chamber that places described inner cylinder body 2 and with base 31, form an inner chamber, described outer cylinder body 1 between the inner cylinder body 2, inner cylinder body 2, form an exocoel between seal arrangement 5 and the base 31;
The top of described inner cylinder body 2 is provided with inner casing nozzle opening 21, the intracavity inter-connection on described inner casing nozzle opening 21 and piston 41 tops; During described piston rod 42 pressurizeds, flow through base 31 and adjustable lever 32 of the oil in the inner chamber of described piston 41 bottoms enters the bottom of exocoel, and the inner casing nozzle opening 21 of oil through inner cylinder body top in the described exocoel enters inner chamber.
Be provided with the first oil suction rubber 8 in the exocoel between described inner cylinder body 2 and the outer cylinder body 1, as shown in Figure 5.This first oil suction rubber 8 closely is connected with outer cylinder body 1 with inner cylinder body 2.The first oil suction rubber 8 for a kind of be carrier with the natural rubber, with the oil absorbency of high oil-absorbing resin blend preparation rubber oil absorption material preferably, this material is buied by market.This oil suction rubber can be alleviated impact force and the flowing velocity of fluid when interior outer chamber flows under the high pressure effect, makes the compensator or trimmer pressure of hydraulic bjuffer stable.
As shown in Figure 2, described base 31 has an axial blind hole, is provided with adjustable lever 32 in the axial blind hole of described base 31; One end of described adjustable lever 32 has axial blind hole, the fixedly connected regulating handle 33 of the other end; Described regulating handle 33 can drive described adjustable lever 32 and rotate with respect to described base 31.Described base 31 is threaded with described outer cylinder body 1, one end of described base 31 stretches in the chamber of described inner cylinder body 2, the annular protrusion that its periphery moulding one diameter is big than two ends, described annular protrusion closely connects with the inwall of described inner cylinder body 2, inside and outside chamber isolation is opened, its annular protrusion upper part is an inner cavity chamber, is outer chamber below the annular protrusion; Form first annular space that is communicated with described inner chamber between its top periphery and the described inner cylinder body 2, the two ends at described annular protrusion on the described base 31 directly upwards are respectively equipped with inner chamber nozzle opening 35 and exocoel nozzle opening 36; Described inner chamber nozzle opening 35 is connected with described first annular space, and described exocoel nozzle opening 36 places between the screw thread stationary plane of described inner cylinder body 2 lower end surfaces and base 31, and is connected with described exocoel;
Footpath along described adjustable lever 32 upwards is provided with two nozzle openings 37 that are connected with described axial blind hole, when described adjustable lever 32 inserted described base 31, two nozzle openings 37 on the described adjustable lever 32 were positioned on the same plane perpendicular to outer cylinder body 1 axis with described inner chamber nozzle opening 35 and exocoel nozzle opening 36 respectively.Rotation is during regulating handle 33, and adjustable lever 32 rotates thereupon, and the nozzle opening 37 on the adjustable lever 32 is with respect to inner chamber nozzle opening 35 and 36 rotations of exocoel nozzle opening, and then the area of passage when having regulated oil in inner chamber or the exocoel and flowing through base.This structural type can the regulator solution compression buffer load capacity, with respect to existing hydraulic bjuffer, the adjusting time is short, cushioning effect is obvious.
The two ends of described inner cylinder body 2 are concordant with the two ends of the described first oil suction rubber 8, form second annular space between base 31 peripheries at place, described exocoel nozzle opening position and the described outer cylinder body 1.
Moulding one oil suction circular groove and closure gasket groove is provided with the O RunddichtringO 53 that fits with described outer cylinder body on the cylinder of the bottom of described oil sealing base 51 in the described closure gasket groove, matches with the upper-end surface of described inner cylinder body 2 in the lower end surface of described oil sealing base 51.
Be provided with the second oil suction rubber 9 that fits with described outer cylinder body 1 in the described oil suction circular groove.As replenishing of the above-mentioned first oil suction rubber 8.
As shown in Figure 4, the Baltimore groove of described oil sealing base 51 bottom moulding one oil holding slot 56, the oil that body of rod surface attaches when being used to collect described piston rod and moving up and down has further prevented the leakage of fluid.The cross section of described oil holding slot 56 is less than the cross section of described oil sealing base Baltimore groove.
As shown in Figure 3, described piston 41 is a hollow columnar piston, the annular protrusion 43 that middle part moulding one diameter of its periphery is big than two ends, described annular protrusion 43 is slidingly connected with the inwall of described inner cylinder body 2, described annular protrusion 43 separates interior outer chamber, described annular protrusion 43 upper parts are outer chamber, and the annular protrusion lower part is an inner cavity chamber.Described piston 41 respectively is provided with a radial direction through hole 46 that runs through described piston cylinder on the periphery at described annular protrusion 43 two ends, described radial direction through hole 46 is communicated with described inner chamber; One end of described piston rod 42 is provided with a blind hole 44 and runs through the connecting rod radial direction through hole 45 of described blind hole 44, when an end that has blind hole 44 of described piston rod 42 connected with described piston 41, described piston rod 42 radial direction through hole 45 connected with the radial direction through hole 46 of described piston cylinder.
Described outer cylinder body 1 outside is provided with screw thread, is connected with two set screw nuts 6, is used for fixing the vibration isolation object.
Present embodiment is the another kind of mode of execution of this hydraulic bjuffer, as shown in Figure 7.Except that the second oil suction rubber 9 was not set, other structures were identical with the structure of embodiment 1 hydraulic bjuffer.The hydraulic bjuffer of present embodiment is poor slightly than the compensator or trimmer pressure stationarity of embodiment 1 hydraulic bjuffer.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. a hydraulic bjuffer comprises
Outer cylinder body (1) has a hollow chamber;
Seal arrangement (5) places the top of described outer cylinder body (1) chamber;
Base (31) places the bottom of described outer cylinder body (1) chamber;
Piston (41) and piston rod (42), an end of described piston rod (42) is fixedly connected with described piston (41), and its other end passes described seal arrangement (5) and stretches out the upper end of described outer cylinder body (1), it is characterized in that:
Also be provided with the column inner cylinder body (2) of hollow in the chamber of described outer cylinder body (1), described inner cylinder body (2) is provided with inner casing nozzle opening (21), described inner cylinder body (2) is with the coaxial setting of described outer cylinder body (1), its upper end connects with described seal arrangement (5), and its lower end is tightly connected with described base (31);
The interior inner chamber that also forms between same base (31), the inner cylinder body (2) of chamber that described piston (41) slides and places described inner cylinder body (2), form an exocoel between described outer cylinder body (1), inner cylinder body (2), seal arrangement (5) and the base (31), be provided with a fuel injection passage between described inner chamber and the exocoel, during described piston rod (42) pressurized, flow of liquid in the inner chamber of described piston (41) bottom enters exocoel through fuel injection passage, and the inner casing nozzle opening (21) of liquid through inner cylinder body (2) top in the described exocoel enters inner chamber.
2. hydraulic bjuffer according to claim 1 is characterized in that:
Described seal arrangement (5) comprises cylindricality oil sealing base (51), spill oil sealing (52), convex oil sealing (54), and the oil seal cover (55) of hollow; Described spill oil sealing (52) places in the Baltimore groove of described oil sealing base (51) upper end and with its internal surface and is tightly connected, described convex oil sealing (54) places in the convex slot of described oil seal cover (55) and with its internal surface and is tightly connected, and matches with the upper end of described oil sealing base (51) in the lower end of described oil seal cover (55); One end of described piston rod (42) passes described oil seal cover (51), convex oil sealing (54), spill oil sealing (52) and oil sealing base (51) successively fixedlys connected with the piston (41) in the described inner cylinder body (2).
3. hydraulic bjuffer according to claim 1 and 2 is characterized in that:
Be provided with the first oil suction rubber (8) in the exocoel between described inner cylinder body (2) and the outer cylinder body (1), the described first oil suction rubber (8) closely is connected with outer cylinder body (1) with described inner cylinder body (2).
4. hydraulic bjuffer according to claim 2 is characterized in that:
The Baltimore groove of described oil sealing base (51) bottom moulding one oil holding slot (56), the oil that body of rod surface attaches when being used to collect described piston rod and moving up and down, the cross section of described oil holding slot (56) is less than the cross section of described oil sealing base Baltimore groove.
5. hydraulic bjuffer according to claim 2 is characterized in that:
Moulding one oil suction circular groove and closure gasket groove on the cylinder of the bottom of described oil sealing base (51), be provided with the O RunddichtringO (53) that fits with described outer cylinder body in the described closure gasket groove, be provided with the second oil suction rubber (9) that fits with described outer cylinder body (1) in the described oil suction circular groove.
6. according to the arbitrary described hydraulic bjuffer of claim 1-5, it is characterized in that:
Described fuel injection passage is arranged in the described base (31), is provided with adjustable lever (32) in the described base (31), the area of passage the when oil that described adjustable lever (32) is used for regulating inner chamber or exocoel is flowed through base (31);
During described piston rod (42) pressurized, flow of liquid in the inner chamber of described piston (41) bottom enters the bottom of exocoel through base (31) and adjustable lever (32), and the inner casing nozzle opening (21) of liquid through inner cylinder body (2) top in the described exocoel enters the inner chamber of piston (41) bottom.
7. hydraulic bjuffer according to claim 6 is characterized in that:
Described base (31) has an axial blind hole, is provided with adjustable lever (32) in the axial blind hole of described base (31), and an end of described adjustable lever (32) has axial blind hole, the fixedly connected regulating handle of the other end (33); Described regulating handle (33) can drive described adjustable lever (32) and rotate with respect to described base (31).
Described base (31) removably connects with described outer cylinder body (1), one end of described base (31) stretches in the chamber of described inner cylinder body (2), the annular protrusion that its periphery moulding one diameter is big than two ends, described annular protrusion closely connects with the inwall of described inner cylinder body (2), form first annular space that is communicated with described inner chamber between its top periphery and the described inner cylinder body (2), directly upwards is respectively equipped with inner chamber nozzle opening (35) and exocoel nozzle opening (36) at the two ends of described annular protrusion on the described base (31);
Described inner chamber nozzle opening (35) is connected with described first annular space, and described exocoel nozzle opening (36) places between the screw thread stationary plane of described inner cylinder body (2) lower end surface and base (31), and is connected with described exocoel;
Footpath along described adjustable lever (32) upwards is provided with two nozzle openings (37) that are connected with described axial blind hole, when described adjustable lever (32) inserted described base (31), two nozzle openings (37) on the described adjustable lever (32) were positioned on the same plane perpendicular to outer cylinder body (1) axis with described inner chamber nozzle opening (35) and exocoel nozzle opening (36) respectively.
8. hydraulic bjuffer according to claim 7 is characterized in that:
The two ends of described inner cylinder body (2) are concordant with the two ends of the described first oil suction rubber (8), form second annular space between base (31) periphery at place, described exocoel nozzle opening (36) position and the described outer cylinder body (1).
9. hydraulic bjuffer according to claim 1 is characterized in that:
Described piston (41) is a hollow columnar piston, the annular protrusion (43) that middle part moulding one diameter of its periphery is big than two ends, described annular protrusion (43) is slidingly connected with the inwall of described inner cylinder body (2), described piston (41) respectively is provided with a radial direction through hole (46) that runs through described piston cylinder on the periphery at described annular protrusion (43) two ends, described radial direction through hole (46) is communicated with described inner chamber;
One end of described piston rod (42) is provided with a blind hole (44) and runs through the connecting rod radial direction through hole (45) of described blind hole (44), when an end that has blind hole (44) of described piston rod (42) connected with described piston (41), described piston rod (42) radial direction through hole (45) connected with the radial direction through hole (46) of described piston cylinder.
10. according to the described hydraulic bjuffer of the arbitrary claim of claim 1-10, it is characterized in that:
Described outer cylinder body (1) outside is provided with screw thread, is connected with two set screw nuts (6), is used for fixing the vibration isolation object.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010105025736A CN101968093B (en) | 2010-10-11 | 2010-10-11 | Hydraulic buffer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010105025736A CN101968093B (en) | 2010-10-11 | 2010-10-11 | Hydraulic buffer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101968093A true CN101968093A (en) | 2011-02-09 |
CN101968093B CN101968093B (en) | 2012-01-25 |
Family
ID=43547298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010105025736A Expired - Fee Related CN101968093B (en) | 2010-10-11 | 2010-10-11 | Hydraulic buffer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101968093B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102562908A (en) * | 2012-02-01 | 2012-07-11 | 支绍华 | Bidirectional hydraulic buffer |
CN103573903A (en) * | 2012-08-10 | 2014-02-12 | 株式会社Koba | Damper |
CN104405820A (en) * | 2014-11-24 | 2015-03-11 | 重庆市亮影工贸有限公司 | Damper connecting body |
CN108561484A (en) * | 2018-03-14 | 2018-09-21 | 浙江耀欧汽车零部件有限公司 | One kind having the dust-proof motor-driven jack holder of buffer structure both legs support type |
CN109351670A (en) * | 2018-08-30 | 2019-02-19 | 嘉兴塘东汽车配件有限公司 | A kind of material cleaning screening plant |
WO2023125925A1 (en) * | 2021-12-30 | 2023-07-06 | 比亚迪股份有限公司 | Shock absorber assembly and vehicle having same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2474805Y (en) * | 2001-02-28 | 2002-01-30 | 御豹企业股份有限公司 | Improved oil pressure buffer capable of raising efficiency |
DE102008024166A1 (en) * | 2007-05-19 | 2008-12-11 | Stabilus Gmbh | Piston-cylinder arrangement used as a pneumatic spring comprises magnetic elements having a magnetic field which interacts with a ferro fluid present in the cylinder |
JP2009085434A (en) * | 2001-04-20 | 2009-04-23 | Stabilus Gmbh | Actuating system for cover |
CN101625019A (en) * | 2008-07-11 | 2010-01-13 | 株式会社万都 | Damping force controlling valve and shock absorber of using the same |
CN201851578U (en) * | 2010-10-11 | 2011-06-01 | 支绍华 | Hydraulic buffer |
-
2010
- 2010-10-11 CN CN2010105025736A patent/CN101968093B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2474805Y (en) * | 2001-02-28 | 2002-01-30 | 御豹企业股份有限公司 | Improved oil pressure buffer capable of raising efficiency |
JP2009085434A (en) * | 2001-04-20 | 2009-04-23 | Stabilus Gmbh | Actuating system for cover |
DE102008024166A1 (en) * | 2007-05-19 | 2008-12-11 | Stabilus Gmbh | Piston-cylinder arrangement used as a pneumatic spring comprises magnetic elements having a magnetic field which interacts with a ferro fluid present in the cylinder |
CN101625019A (en) * | 2008-07-11 | 2010-01-13 | 株式会社万都 | Damping force controlling valve and shock absorber of using the same |
CN201851578U (en) * | 2010-10-11 | 2011-06-01 | 支绍华 | Hydraulic buffer |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102562908A (en) * | 2012-02-01 | 2012-07-11 | 支绍华 | Bidirectional hydraulic buffer |
CN103573903A (en) * | 2012-08-10 | 2014-02-12 | 株式会社Koba | Damper |
CN103573903B (en) * | 2012-08-10 | 2015-10-07 | 株式会社Koba | Vibration damper |
CN104405820A (en) * | 2014-11-24 | 2015-03-11 | 重庆市亮影工贸有限公司 | Damper connecting body |
CN108561484A (en) * | 2018-03-14 | 2018-09-21 | 浙江耀欧汽车零部件有限公司 | One kind having the dust-proof motor-driven jack holder of buffer structure both legs support type |
CN109351670A (en) * | 2018-08-30 | 2019-02-19 | 嘉兴塘东汽车配件有限公司 | A kind of material cleaning screening plant |
CN109351670B (en) * | 2018-08-30 | 2021-07-23 | 嘉兴塘东汽车配件有限公司 | Material cleaning and screening device |
WO2023125925A1 (en) * | 2021-12-30 | 2023-07-06 | 比亚迪股份有限公司 | Shock absorber assembly and vehicle having same |
Also Published As
Publication number | Publication date |
---|---|
CN101968093B (en) | 2012-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101968093B (en) | Hydraulic buffer | |
CN202149175U (en) | Buffer | |
CN101639106B (en) | Piston-type hydro-pneumatic buffer | |
CN101737370B (en) | Fast hydraulic change-over valve | |
EP3605545B1 (en) | Bottom foot for household appliance, and household appliance | |
CN111520430B (en) | Candle type hydro-pneumatic suspension | |
EP3603452B1 (en) | Supporting feet for a household appliance and household appliance including the same | |
CN201851578U (en) | Hydraulic buffer | |
CN106015439A (en) | Large-load and low-rigidity speed type limiting device | |
EP3604852A1 (en) | Bottom foot for household appliance, and household appliance | |
US20190292712A1 (en) | Support for household appliance, and household appliance | |
CN204878500U (en) | Hydraulic absorber of multistage damping throttle | |
CN201621119U (en) | Quick hydraulic changeover valve | |
CN202579789U (en) | Jacking-pulling type hydraulic buffer | |
CN2835699Y (en) | Hydro-pneumatic buffer | |
CN104154168B (en) | A kind of miniature noise elimination accumulator for damper | |
CN107893625B (en) | Hydraulic rock drill with novel structure | |
CN204419758U (en) | A kind of buffering hydraulic cylinder | |
CN203906637U (en) | Hydraulic damper used for bicycle and electric bicycle | |
CN202468543U (en) | Buffer device for vertical roller mill | |
CN212479986U (en) | Single-cylinder type detachable shock absorber assembly of front suspension | |
CN201517615U (en) | Buffering type hydraulic mud valve | |
CN201391511Y (en) | Hydraulic cylinder cushioning device | |
CN102635662B (en) | Top-pull-type hydraulic buffer | |
CN210660816U (en) | Buffering self-adaptive adjusting device and hydraulic cylinder with same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20201011 |