CN117072605B - High-stability oil-gas mixing vibration damper - Google Patents
High-stability oil-gas mixing vibration damper Download PDFInfo
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- CN117072605B CN117072605B CN202311059678.2A CN202311059678A CN117072605B CN 117072605 B CN117072605 B CN 117072605B CN 202311059678 A CN202311059678 A CN 202311059678A CN 117072605 B CN117072605 B CN 117072605B
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- cylinder body
- oil
- disc
- valve disc
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- 238000002156 mixing Methods 0.000 title claims abstract description 13
- 230000035939 shock Effects 0.000 claims abstract description 83
- 239000006096 absorbing agent Substances 0.000 claims abstract description 75
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 73
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000010992 reflux Methods 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 7
- 239000003921 oil Substances 0.000 abstract 3
- 239000010724 circulating oil Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/066—Units characterised by the partition, baffle or like element
- F16F9/067—Partitions of the piston type, e.g. sliding pistons
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/42—Cooling arrangements
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a high-stability oil-gas mixing shock absorber, which comprises a shock absorber cylinder body, and an oil liquid adjusting bottle and a nitrogen adjusting bottle which are fixedly connected to the left side and the right side above the shock absorber cylinder body; the top end of the inner part of the shock absorber cylinder body is fixedly connected to the top end of the oil reducing cylinder body; further comprises: the top end of the shock absorber cylinder body is connected with the bottom end of the stress compression bar in a sliding manner; wherein, the bottom end of the shock absorber cylinder body is fixedly provided with a hardness adjusting disc; and the center position of the top surface of the bidirectional valve disc is fixedly provided with a cooling reflux tower. According to the high-stability oil-gas mixing shock absorber, the supporting performance in the shock absorbing process is changed by adjusting the stroke length of the pressure screw and the proportion of the oil nitrogen in the shock absorber cylinder body, and meanwhile, the flow of circulating oil is changed by the adjustable valve disc, so that the hardness between the stress compression rod and the shock absorber cylinder body in the compression process can be increased or reduced, and the stable work of the shock absorbing strength can be conveniently carried out according to different road conditions.
Description
Technical Field
The invention relates to the technical field of vibration absorbers, in particular to a high-stability oil-gas mixing vibration absorber.
Background
A damper is generally referred to as a damping device for a motor vehicle, and in fact a vibration damper is used in motor vehicles not only for suspension but also in other locations. For example, the vibration absorber is used for a cab, a saddle, a steering wheel and the like, and the stability and the vibration reduction strength in the vibration reduction process can be further improved by filling oil or nitrogen into the vibration absorber;
publication number CN218000260U discloses a hybrid shock absorber of oil and gas, the piston rod assembly moves in the oil and gas cylinder to extrude damping spring, compress through damping spring and absorb shock, the inside oil and gas mixture of oil and gas cylinder can also absorb shock and compensate the piston rod assembly at the same time, thus can carry on the dual shock absorption to it, greatly improve the damped effect, has improved the driving experience of the driver;
Publication number CN115451055A discloses an oil-gas mixing damper, which is fixedly connected to the closed end of a first working rod in a one-to-one correspondence manner through a plurality of first pistons; a second rod having a cylindrical shape, one end of which is inserted into the inner cavity of the first rod having the smallest outer diameter from the open end of the first rod having the smallest outer diameter and is axially movable in the inner cavity of the first rod having the smallest outer diameter; the second piston is movably arranged in the inner cavity of the first working rod with the smallest outer diameter and is fixedly connected with one end of the second working rod;
However, the above-mentioned oil-gas hybrid shock absorber for automobile has the following problems in the actual use process: through at the inside fluid mixture that fills of shock absorber, set up the damping spring who is connected with movable support pole in the shock absorber outside and reach the effect of damping, when the in-service use of different scenes, because of the whole length of shock absorber is fixed with damping stroke relatively, be difficult to reach effective support on the vehicle of different weights, the damping stroke of relative fixed simultaneously also is difficult to adapt to the damping demand under the different road conditions with damping stroke, and then influences actual use impression, also can reduce the life of shock absorber.
We have therefore proposed a high stability oil and gas mixing damper in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a high-stability oil-gas mixing damper, which aims to solve the problems that the prior art proposes that the interior of the damper is filled with an oil liquid mixture, a damping spring connected with a movable supporting rod is arranged outside the damper to achieve the damping effect, and when the damper is actually used in different scenes, the whole length and the damping stroke of the damper are relatively fixed, so that the damper is difficult to effectively support when being applied to vehicles with different weights, and meanwhile, the relatively fixed damping stroke and damping stroke are difficult to adapt to the damping requirements under different road conditions, so that the actual use feeling is influenced, and the service life of the damper is also reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions: a high-stability oil-gas mixing shock absorber comprises a shock absorber cylinder body, and an oil liquid adjusting bottle and a nitrogen adjusting bottle which are fixedly connected to the left side and the right side above the shock absorber cylinder body;
the inner top end of the shock absorber cylinder body is fixedly connected to the top end of the oil reducing cylinder body, a bidirectional valve disc is fixedly arranged at the inner bottom end of the oil reducing cylinder body, and flow ports are formed in the left side and the right side of the inner part of the bidirectional valve disc; further comprises:
The top end of the shock absorber cylinder body is connected with the bottom end of the stress compression bar in a sliding manner, the top end of the stress compression bar is fixedly connected with the bottom end of the pressure screw rod, and a shock absorption spring is sleeved on the outer wall of the pressure screw rod;
The bottom end of the shock absorber cylinder body is fixedly provided with a hardness adjusting disc, and a driving gear is rotatably arranged at the inner center position of the hardness adjusting disc through a bearing;
the center of the top surface of the bidirectional valve disc is fixedly provided with a cooling reflux tower, and the front side and the rear side of the top end of the cooling reflux tower are fixedly connected with the top end of the air inlet and outlet guide pipe in a penetrating way.
Preferably, the whole shock absorber cylinder body is in cylindrical structure distribution, the inside of the shock absorber cylinder body is provided with a comprehensive working cavity, the comprehensive working cavities inside the shock absorber cylinder body are communicated with each other through a flow opening formed by a bidirectional valve disc, and an adjustable valve disc is arranged inside the oil reducing cylinder body in a sliding manner.
Preferably, the stress compression bar is connected with the pressure screw in a mutually communicated manner, the bottom end of the stress compression bar is fixedly connected with the center position of the top surface of the adjustable valve disc inside the oil reduction cylinder, the upper outer wall of the pressure screw is connected with the interference regulator in a threaded manner, and the upper end and the lower end of the vibration reduction spring sleeved outside the pressure screw are respectively abutted to the bottom surface of the interference regulator and the top surface of the vibration damper cylinder.
Preferably, the inside of symmetry setting equal sliding connection of fluid governing bottle and nitrogen gas governing bottle is in the bottom of variable slide bar, and the equal sliding block in top of left and right sides variable slide bar is connected in the bottom surface of contradicting the regulator inside to the bottom of the inside variable slide bar of fluid governing bottle and nitrogen gas governing bottle is all fixed and is provided with the push valve plate.
Preferably, the oil liquid adjusting bottle and the nitrogen adjusting bottle which are symmetrically arranged are respectively connected with the inside of the oil reduction cylinder body and the comprehensive working cavity inside the shock absorber cylinder body in a penetrating mode, the inside of the oil reduction cylinder body and the inside of the oil liquid adjusting bottle are filled with shock absorption oil liquid, and high-pressure nitrogen is filled in the inside of the nitrogen adjusting bottle and the upper portion of the inside of the comprehensive working cavity.
Preferably, the inside left and right sides of valve disc with adjustable all are provided with isolated valve plate through the bearing rotation, and the inner of the isolated valve plate of left and right sides all is fixed and is provided with sector gear to the inside central point department of valve disc with adjustable is provided with guide gear through the bearing rotation, and guide gear meshing is connected in the outer wall of left and right sides sector gear moreover.
Preferably, the inside slip of cooling reflux tower is provided with gas flow guide disc, and the inside left and right sides of gas flow guide disc is provided with air inlet check valve and exhaust check valve respectively to the top fixed connection of gas flow guide disc is in the bottom of elastic expansion link, and the top fixed connection of elastic expansion link is in the bottom of adjustable valve disc moreover, and the top of both sides air inlet and exhaust pipe all through-connection in the outside of shock absorber barrel around the inside of cooling reflux tower simultaneously.
Preferably, the inside of hardness adjustment dish is provided with driven gear through bearing equiangular rotation, and the driven gear meshing of equiangular setting is connected in drive gear's outer wall to the equal angular setting's of driven gear's middle part is equal fixed connection in the bottom of going up and down the threaded rod, and equal angular setting's the equal threaded connection in the bottom of going up and down telescopic.
Preferably, the top ends of the lifting sleeves arranged at equal angles are all in sliding penetration with the inside of the shock absorber cylinder, an isolated sliding disc is arranged in the comprehensive working cavity inside the shock absorber cylinder in a sliding mode, the isolated sliding disc is connected with the top ends of the lifting sleeves in a sliding mode, and oil liquid and nitrogen are separated through the isolated sliding disc.
Compared with the prior art, the invention has the beneficial effects that: this high stability's oil gas mixing shock absorber, through the proportion of the inside fluid nitrogen gas occupation space of adjusting pressure screw's stroke length and shock absorber barrel, and then change the supportability at the damping in-process simultaneously by the flow of adjustable valve disc change circulation fluid, can increase or reduce the hardness between atress depression bar and the shock absorber barrel in compression process to the stable work of damping intensity is carried out to different road conditions, its concrete content is as follows:
1. The adjuster is abutted against the outer wall of the pressure screw rod to enable the adjuster to move up and down, and then the vibration reduction spring connected below is abutted against the adjuster to compress or extend, and the variable sliding rod and the pushing valve plate are driven to slide in the oil liquid adjusting bottle and the nitrogen adjusting bottle, the pushing valve plate descends or ascends, oil liquid in the oil liquid adjusting bottle and nitrogen in the nitrogen adjusting bottle can be driven to compress or recycle, and therefore stable work of vibration reduction strength can be conducted according to different road conditions;
2. The driving gear inside the hardness adjusting disc rotates to drive the meshed driven gear and the lifting threaded rod to rotate, the lifting sleeve in threaded connection with the lifting threaded rod is limited by friction of the isolation sliding disc, the length of the lifting sleeve in the integrated working cavity inside the shock absorber cylinder body is further changed, the isolation sliding disc is further driven to slide inside the integrated working cavity, the ratio of a nitrogen space to an oil space is changed, and the supportability in the shock absorbing process is further changed;
3. the guide gear in the adjustable valve disc at the bottom end of the stressed compression rod is rotated to drive the sector gears connected with the left side and the right side in a meshed manner and the isolated valve plate to overturn, so that the diameter of a channel for oil to circulate in the isolated valve plate is adjusted, the flow in the oil circulation process can be increased or reduced, and the hardness between the stressed compression rod and the shock absorber cylinder in the compression process can be increased or reduced;
4. The adjustable valve disc drives the elastic telescopic rod at the bottom end and the gas guide disc to slide towards the lower part of the cooling reflux tower when descending, so that air in the cooling reflux tower is compressed and discharged through the exhaust one-way valve and the air inlet and exhaust guide pipe, otherwise, the stroke negative pressure of the cooling reflux tower is used for introducing air into the cooling reflux tower through the opened air inlet one-way valve, so that cold air is conducted to cool oil in a reciprocating manner, and the stability of the shock absorber cylinder body during working is ensured.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic view of a three-dimensional bottom view structure of the present invention;
FIG. 3 is a schematic view of a perspective cross-sectional structure of a shock absorber cylinder according to the present invention;
FIG. 4 is a schematic view showing a three-dimensional cross-sectional structure of a hardness adjustment plate according to the present invention;
FIG. 5 is a schematic view of the variable slide bar mounting structure of the present invention;
FIG. 6 is a schematic view of the mounting structure of the cooling reflux column of the present invention;
FIG. 7 is a schematic view showing a three-dimensional sectional structure of a cooling reflux column according to the present invention;
FIG. 8 is a schematic view of the mounting structure of the isolation valve plate of the present invention;
FIG. 9 is a schematic perspective view of an insulating sliding tray according to the present invention;
fig. 10 is a schematic diagram of a connection structure between a lifting sleeve and an isolated sliding disc according to the present invention.
In the figure: 1. a shock absorber cylinder; 2. an oil liquid adjusting bottle; 3. a nitrogen regulating bottle; 4. an oil reducing cylinder; 5. a bi-directional valve disc; 6. a flow port; 7. a stress compression bar; 8. a pressure screw; 9. a damping spring; 10. a hardness adjustment plate; 11. a drive gear; 12. cooling the reflux tower; 13. an air inlet and outlet conduit; 14. a comprehensive working cavity; 15. an adjustable valve disc; 16. a conflict adjuster; 17. a variable sliding rod; 18. pushing the valve plate; 19. isolating the valve plate; 20. a sector gear; 21. a guide gear; 22. a gas deflector; 23. an air inlet one-way valve; 24. an exhaust check valve; 25. an elastic telescopic rod; 26. a driven gear; 27. lifting the threaded rod; 28. lifting the sleeve; 29. isolating the sliding tray.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides the following technical solutions: the high-stability oil-gas mixing shock absorber comprises a shock absorber cylinder body 1, wherein the top end of the shock absorber cylinder body 1 is slidably connected with the bottom end of a stress compression rod 7, the top end of the stress compression rod 7 is fixedly connected with the bottom end of a pressure screw rod 8, and a shock absorption spring 9 is sleeved on the outer wall of the pressure screw rod 8; the stress compression rod 7 and the pressure screw rod 8 are mutually communicated, the bottom end of the stress compression rod 7 is fixedly connected to the center position of the top surface of the adjustable valve disc 15 inside the oil reducing cylinder 4, the upper outer wall of the pressure screw rod 8 is in threaded connection with the interference regulator 16, and the upper end and the lower end of the vibration reduction spring 9 sleeved outside the pressure screw rod 8 are respectively in butt joint with the bottom surface of the interference regulator 16 and the top surface of the vibration reduction cylinder 1; as shown in fig. 1-2, the pressing regulator 16 on the outer wall of the pressure screw 8 is manually rotated to move up and down, so as to press or extend the damping spring 9 connected below; after the vibration reduction spring 9 is compressed, the pressure of the oil liquid and the nitrogen is further increased, otherwise, the pressure of the oil liquid and the nitrogen is reduced, so that stable work of vibration reduction strength can be conveniently performed according to different road conditions;
And an oil liquid adjusting bottle 2 and a nitrogen adjusting bottle 3 which are fixedly connected to the left side and the right side above the shock absorber cylinder body 1; the oil liquid adjusting bottle 2 and the nitrogen adjusting bottle 3 which are symmetrically arranged are both in sliding connection with the bottom end of the variable sliding rod 17, the top ends of the variable sliding rods 17 on the left side and the right side are both in sliding clamping connection with the bottom surface of the conflict adjuster 16, and the bottom ends of the variable sliding rods 17 in the oil liquid adjusting bottle 2 and the nitrogen adjusting bottle 3 are both fixedly provided with a push valve plate 18; as shown in fig. 3 and 5, in the lifting process of the interference regulator 16, the variable sliding rod 17 in sliding engagement with the interference regulator respectively drives the push valve plate 18 to slide in the oil liquid regulating bottle 2 and the nitrogen regulating bottle 3, and when the push valve plate 18 descends, the oil liquid in the oil liquid regulating bottle 2 and the nitrogen in the nitrogen regulating bottle 3 can be respectively conveyed into the comprehensive working cavity 14 in the oil reducing cylinder 4 and the shock absorber cylinder 1;
The inner top end of the shock absorber cylinder 1 is fixedly connected to the top end of the oil reducing cylinder 4, a bidirectional valve disc 5 is fixedly arranged at the inner bottom end of the oil reducing cylinder 4, and flow ports 6 are formed in the left side and the right side of the inner part of the bidirectional valve disc 5;
wherein, the bottom end of the shock absorber cylinder body 1 is fixedly provided with a hardness adjusting disc 10, and a driving gear 11 is rotatably arranged at the inner center position of the hardness adjusting disc 10 through a bearing; the inside of the hardness adjusting disc 10 is provided with a driven gear 26 through a bearing in an equal-angle rotation way, the driven gear 26 arranged in an equal-angle way is connected to the outer wall of the driving gear 11 in a meshing way, the middle parts of the driven gears 26 arranged in an equal-angle way are fixedly connected to the bottom ends of lifting threaded rods 27, and the bottom ends of the lifting threaded rods 27 arranged in an equal-angle way are connected to the bottom ends of lifting sleeves 28 in a threaded way; the top ends of the lifting sleeves 28 which are arranged at equal angles are all arranged in the shock absorber cylinder body 1in a sliding way, an insulating sliding disc 29 is arranged in the comprehensive working cavity 14 in the shock absorber cylinder body 1in a sliding way, and the insulating sliding disc 29 is connected with the top ends of the lifting sleeves 28 in a sliding way; as shown in fig. 3-4 and fig. 9-10, the driving gear 11 in the hardness adjusting disc 10 is rotated to drive the driven gear 26 and the lifting threaded rod 27 with the outer wall meshed in equal angles to rotate, and the lifting sleeve 28 in threaded connection with the lifting threaded rod 27 is limited by friction of the isolated sliding disc 29, so that the length of the lifting sleeve 28 in the comprehensive working cavity 14 in the shock absorber cylinder 1 is changed; the supportability is changed in the vibration reduction process by changing the proportion of the space occupied by oil liquid and nitrogen;
The inside of the shock absorber cylinder 1 is provided with a comprehensive working cavity 14, the comprehensive working cavities 14 in the shock absorber cylinder 1 are communicated with each other through a flow port 6 formed in the bidirectional valve disc 5, and an adjustable valve disc 15 is arranged in the oil reducing cylinder 4 in a sliding manner; the left side and the right side of the interior of the adjustable valve disc 15 are respectively provided with an isolated valve plate 19 through bearings in a rotating way, the inner ends of the isolated valve plates 19 on the left side and the right side are respectively fixedly provided with a sector gear 20, the center position of the interior of the adjustable valve disc 15 is respectively provided with a guide gear 21 through bearings in a rotating way, and the guide gears 21 are in meshed connection with the outer walls of the sector gears 20 on the left side and the right side; as shown in fig. 3 and 8, the guiding gear 21 inside the adjustable valve disc 15 at the bottom end of the stressed compression rod 7 is rotated to drive the sector gear 20 and the isolating valve plate 19 which are in meshed connection at the left side and the right side to turn over, so that the diameter of a channel for oil to circulate inside the isolating valve plate 19 is adjusted, and the hardness between the stressed compression rod 7 and the shock absorber cylinder 1 in the compression process is reduced according to the flow of the oil;
The center of the top surface of the bidirectional valve disc 5 is fixedly provided with a cooling reflux tower 12, and the front side and the rear side of the top end of the cooling reflux tower 12 are fixedly and penetratingly connected with the top end of an air inlet and outlet conduit 13; the inside of the cooling reflux tower 12 is provided with a gas guide disc 22 in a sliding manner, the left side and the right side of the inside of the gas guide disc 22 are respectively provided with an air inlet one-way valve 23 and an air outlet one-way valve 24, the top end of the gas guide disc 22 is fixedly connected with the bottom end of an elastic telescopic rod 25, the top end of the elastic telescopic rod 25 is fixedly connected with the bottom of an adjustable valve disc 15, and simultaneously, the top ends of air inlet and outlet guide pipes 13 at the front side and the rear side of the inside of the cooling reflux tower 12 are all connected with the outside of the shock absorber cylinder 1 in a penetrating manner; as shown in fig. 3 and 7, the adjustable valve disc 15 drives the elastic telescopic rod 25 and the air guide disc 22 at the bottom to slide downwards in the cooling reflux tower 12 when descending, so that air in the cooling reflux tower 12 is compressed and discharged through the air discharge check valve 24 and the air inlet and outlet conduit 13, and when the adjustable valve disc 15 drives the elastic telescopic rod 25 and the air guide disc 22 at the bottom to slide upwards in the cooling reflux tower 12 when descending, the cooling reflux tower 12 carries out negative pressure feeding through the opened air inlet check valve 23 to introduce air into the cooling reflux tower 12 through the air inlet and outlet conduit 13, so as to cool oil by reciprocating conduction of cold air.
Working principle: before the high-stability oil-gas mixing damper is used, the whole condition of the device is required to be checked firstly to confirm that normal work can be carried out, according to the conditions shown in fig. 1-10, the adjuster 16 which is abutted against the outer wall of the pressure screw rod 8 is rotated to move up and down so as to abut against the damping spring 9 connected below to compress or extend, the valve plate 18 is pushed to descend to respectively convey oil and nitrogen into the oil reducing cylinder 4 and the comprehensive working cavity 14 in the damper cylinder 1, and then the pressure of the oil and the nitrogen is increased, otherwise, the pressure of the oil and the nitrogen is reduced;
The driven gear 26 and the lifting threaded rod 27 are driven by the rotary driving gear 11 to rotate, so that the length of the lifting sleeve 28 in the comprehensive working cavity 14 inside the shock absorber cylinder 1 is changed, the pressure of nitrogen above the lifting sleeve is adjusted, when the space reserved by the nitrogen is reduced, the space reserved by the oil is increased, the comfort can be improved in the shock absorbing process, and when the space reserved by the nitrogen is increased, the space reserved by the oil is reduced, and the supportability can be improved in the shock absorbing process;
The guide gear 21 in the adjustable valve disc 15 rotates to drive the meshed sector gear 20 and the isolating valve plate 19 to overturn, so that the diameter of a channel for oil flowing in the isolating valve plate 19 is adjusted, when the isolating valve plate 19 seals most of the channel for oil flowing in the adjustable valve disc 15, the flow rate of oil flow above the adjustable valve disc 15 is reduced, so that the hardness between the stress compression rod 7 and the shock absorber cylinder 1 in the compression process is increased, and conversely, when the isolating valve plate 19 seals the small part of the channel for oil flowing in the oil flow rate is increased, so that the hardness between the stress compression rod 7 and the shock absorber cylinder 1 in the compression process is reduced;
The adjustable valve disc 15 descends the gas flow guiding disc 22 to slide to the lower side of the cooling reflux tower 12, and when the adjustable valve disc 15 descends to drive the elastic telescopic rod 25 at the bottom end and the gas flow guiding disc 22 to slide to the upper side of the cooling reflux tower 12, the stroke negative pressure of the cooling reflux tower 12 is introduced into the cooling reflux tower 12 through the opened air inlet one-way valve 23, so that the cold air is conducted to cool oil in a reciprocating manner, and the stability of the shock absorber cylinder 1 during operation is ensured.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (2)
1. The oil-gas mixing shock absorber with high stability comprises a shock absorber cylinder body (1), and an oil liquid adjusting bottle (2) and a nitrogen adjusting bottle (3) which are fixedly connected to the left side and the right side above the shock absorber cylinder body (1);
the inner top end of the shock absorber cylinder body (1) is fixedly connected to the top end of the oil reducing cylinder body (4), a bidirectional valve disc (5) is fixedly arranged at the inner bottom end of the oil reducing cylinder body (4), and flow ports (6) are formed in the left side and the right side of the inner part of the bidirectional valve disc (5);
characterized by further comprising:
The top end of the shock absorber cylinder body (1) is connected to the bottom end of the stress compression bar (7) in a sliding manner, the top end of the stress compression bar (7) is fixedly connected to the bottom end of the pressure screw rod (8), and a shock absorption spring (9) is sleeved on the outer wall of the pressure screw rod (8);
The bottom end of the shock absorber cylinder body (1) is fixedly provided with a hardness adjusting disc (10), and a driving gear (11) is rotatably arranged at the inner center position of the hardness adjusting disc (10) through a bearing;
The center of the top surface of the bidirectional valve disc (5) is fixedly provided with a cooling reflux tower (12), and the front side and the rear side of the top end of the cooling reflux tower (12) are fixedly connected with the bottom end of an air inlet and outlet conduit (13) in a penetrating way;
The whole shock absorber cylinder body (1) is distributed in a cylinder structure, a comprehensive working cavity (14) is formed between the shock absorber cylinder body (1) and the oil reducing cylinder body (4), the comprehensive working cavity (14) and the oil reducing cylinder body (4) are communicated with each other through a flow through hole (6) formed in the bidirectional valve disc (5), and an adjustable valve disc (15) is arranged in the oil reducing cylinder body (4) in a sliding mode;
the pressure rod (7) and the pressure screw (8) are mutually communicated, the bottom end of the pressure rod (7) is fixedly connected to the center position of the top surface of an adjustable valve disc (15) in the oil reducing cylinder (4), an interference regulator (16) is connected to the upper outer wall of the pressure screw (8) in a threaded manner, and the upper end and the lower end of a damping spring (9) sleeved outside the pressure screw (8) are respectively abutted to the bottom surface of the interference regulator (16) and the top surface of the shock absorber cylinder (1);
the inside of the oil liquid adjusting bottle (2) and the inside of the nitrogen adjusting bottle (3) which are symmetrically arranged are both in sliding connection with the bottom end of the variable sliding rod (17), the top ends of the variable sliding rods (17) on the left side and the right side are both in sliding clamping connection with the inside of the bottom surface of the interference adjuster (16), and the bottom ends of the variable sliding rods (17) inside the oil liquid adjusting bottle (2) and the nitrogen adjusting bottle (3) are both fixedly provided with a pushing valve plate (18);
the oil liquid adjusting bottle (2) is connected with the inside of the oil reducing cylinder body (4) in a penetrating way, vibration reduction oil liquid is filled in the inside of the oil reducing cylinder body (4) and the inside of the oil liquid adjusting bottle (2), the nitrogen adjusting bottle (3) is connected with the comprehensive working cavity (14) in the inside of the shock absorber cylinder body (1) in a penetrating way, and high-pressure nitrogen is filled in the inside of the nitrogen adjusting bottle (3) and the upper part of the inside of the comprehensive working cavity (14);
The inside of the cooling reflux tower (12) is provided with a gas guide disc (22) in a sliding manner, the left side and the right side of the inside of the gas guide disc (22) are respectively provided with an air inlet one-way valve (23) and an air outlet one-way valve (24), the top end of the gas guide disc (22) is fixedly connected to the bottom end of an elastic telescopic rod (25), the top end of the elastic telescopic rod (25) is fixedly connected to the bottom of an adjustable valve disc (15), and meanwhile, the top ends of air inlet and outlet guide pipes (13) at the front side and the rear side of the inside of the cooling reflux tower (12) are all connected to the outside of the shock absorber cylinder (1) in a penetrating manner;
The inside of the hardness adjusting disc (10) is provided with a driven gear (26) through a bearing in an equal-angle rotation mode, the driven gear (26) arranged at equal angles is connected to the outer wall of the driving gear (11) in a meshed mode, the middle parts of the driven gears (26) arranged at equal angles are fixedly connected to the bottom ends of lifting threaded rods (27), and the top ends of the lifting threaded rods (27) arranged at equal angles are connected to the bottom ends of lifting sleeves (28) in a threaded mode;
Equal angle setting's top all slides and runs through the inside that sets up in shock absorber barrel (1), and slip is provided with isolated sliding tray (29) in the inside comprehensive working chamber (14) of shock absorber barrel (1), and isolated sliding tray (29) sliding connection is in the top of lift sleeve (28), and separate fluid and nitrogen gas through isolated sliding tray (29), lift sleeve (28) receive the friction spacing of isolated sliding tray (29), and then change lift sleeve (28) in shock absorber barrel (1) inside comprehensive working chamber (14) length, with the proportion of change fluid and nitrogen gas occupation space, change supportability at the damping in-process.
2. The high stability oil and gas hybrid shock absorber according to claim 1, wherein: the inside left and right sides of valve disc (15) with adjustable all is provided with isolated valve plate (19) through the bearing rotation, and the inner of the isolated valve plate of left and right sides (19) is all fixed and is provided with sector gear (20), and the inside central point department of valve disc (15) with adjustable is provided with guide gear (21) through bearing rotation, guide gear (21) meshing is connected in the outer wall of the sector gear of left and right sides (20) moreover, when isolated valve plate (19) with the inside passageway of circulating fluid of valve disc (15) with adjustable, the flow of oil liquid flow to valve disc (15) top with adjustable diminishes, and then hardness in the compression process between increase atress depression bar (7) and the shock absorber barrel, otherwise isolated valve plate (19) is with the passageway of circulating fluid partial closed time, the flow of fluid grow, and then reduce the hardness in the compression process between atress depression bar (7) and the shock absorber barrel (1).
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| CN202311059678.2A CN117072605B (en) | 2023-08-22 | 2023-08-22 | High-stability oil-gas mixing vibration damper |
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| CN202311059678.2A CN117072605B (en) | 2023-08-22 | 2023-08-22 | High-stability oil-gas mixing vibration damper |
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| CN117072605B true CN117072605B (en) | 2024-06-11 |
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| CN212564192U (en) * | 2020-07-03 | 2021-02-19 | 天润智能控制***集成有限公司 | Built-in damping stepless adjustable shock absorber |
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|---|---|---|---|---|
| FR1031465A (en) * | 1951-01-26 | 1953-06-24 | Hydraulic shock absorber | |
| KR19980056932A (en) * | 1996-12-30 | 1998-09-25 | 오상수 | Gas-sealed Hydraulic Damper |
| KR19980056934A (en) * | 1996-12-30 | 1998-09-25 | 오상수 | Damping force variable damper of vehicle electronically controlled suspension |
| EP1306574A2 (en) * | 2001-10-26 | 2003-05-02 | Sachs Race Engineering GmbH | Vibration damper with adjustable damping force |
| US6644168B1 (en) * | 2002-08-12 | 2003-11-11 | General Dynamics Armament And Technical Products, Inc. | System and method for active control of recoil mechanism |
| CN201916409U (en) * | 2010-12-16 | 2011-08-03 | 王安勇 | Motor vehicle shock absorber |
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| CN207005176U (en) * | 2017-06-08 | 2018-02-13 | 常州市莱特气弹簧有限公司 | It is double to rise rigid gas spring |
| CN207005175U (en) * | 2017-06-08 | 2018-02-13 | 常州市莱特气弹簧有限公司 | Pressure adjustable gas spring |
| CN109751356A (en) * | 2019-02-12 | 2019-05-14 | 卫德义 | Dampening arrangement |
| CN212564192U (en) * | 2020-07-03 | 2021-02-19 | 天润智能控制***集成有限公司 | Built-in damping stepless adjustable shock absorber |
| CN115143220A (en) * | 2021-03-29 | 2022-10-04 | 阿尔斯托姆控股公司 | Hydraulic damper with apertured member |
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| Publication number | Publication date |
|---|---|
| CN117072605A (en) | 2023-11-17 |
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