CN113915286A - Double-flow-passage hydraulic vibration isolation device - Google Patents
Double-flow-passage hydraulic vibration isolation device Download PDFInfo
- Publication number
- CN113915286A CN113915286A CN202111239307.3A CN202111239307A CN113915286A CN 113915286 A CN113915286 A CN 113915286A CN 202111239307 A CN202111239307 A CN 202111239307A CN 113915286 A CN113915286 A CN 113915286A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- flow channel
- space
- inner cavity
- assembling
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 26
- 238000013016 damping Methods 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims description 90
- 239000010985 leather Substances 0.000 claims description 28
- 230000007704 transition Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 10
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/101—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by buffering features or stoppers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/103—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by method of assembly, production or treatment
-
- 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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
Abstract
The invention discloses a double-flow-passage hydraulic vibration isolation device which comprises a valve body, wherein an inner cavity and a flow passage are arranged on the valve body, the inner cavity is arranged in the valve body, the flow passage is arranged on the side surface of the outer surface of the valve body, and a first flow passage outlet is arranged on the flow passage to enable the inner cavity to be communicated with the flow passage; the flow channel comprises a first flow channel and a second flow channel, the first flow channel is communicated with the second flow channel, and an outlet of the first flow channel is arranged between the first flow channel and the second flow channel; the damping fluid has two flow channels, the stroke of the damping fluid is short when the damping fluid flows in the first flow channel, and the requirement of large damping of a traditional structure can be met; and the damping fluid has a longer stroke when passing through the first flow passage and then entering the second flow passage, and can generate the performance of low dynamic stiffness at specific frequency (idling), so that the vibration isolation effect of the engine at the idling is more prominent.
Description
Technical Field
The invention relates to the field of design and manufacture of damping devices, in particular to a double-channel hydraulic vibration isolation device.
Background
The hydraulic vibration isolation device is a common vibration isolation device in the existing equipment, and compared with other types of vibration isolation devices, the vibration isolation effect of the hydraulic vibration isolation device is more moderate and stable; it is therefore often used in automobiles to give the passengers a good, comfortable ride;
the traditional hydraulic vibration damping device is provided with only one flow channel, and the liquid flowing in the flow channel can generate large damping, so that the dynamic stiffness of the whole hydraulic vibration isolation device is improved, and a vehicle has a good vibration damping effect when meeting a road condition with large road surface fluctuation; however, when the vehicle is idling or slowly runs on a flat road surface with the dynamic stiffness increased, the riding comfort in the vehicle is poor.
Disclosure of Invention
The double-channel hydraulic vibration isolation device overcomes the defects of the prior art, and is simple in structure, reasonable in design, excellent in damping effect and comfortable to ride.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a double-flow-passage hydraulic vibration isolation device comprises a valve body, wherein an inner cavity and a flow passage are arranged on the valve body, the inner cavity is arranged in the valve body, and the flow passage is arranged around the side surface of the outer surface of the valve body; the flow channel comprises a flow channel inlet, a first flow channel outlet and a second flow channel outlet, the flow channel inlet and the second flow channel outlet are arranged at two ends of the flow channel, the first flow channel outlet is arranged between the flow channel inlet and the second flow channel outlet, and the first flow channel outlet enables the flow channel to be communicated with the inner cavity; a first flow channel is arranged between the flow channel inlet and the first flow channel outlet, and a second flow channel is arranged between the first flow channel outlet and the second flow channel outlet; the flow channel further comprises a transition region disposed between the first flow channel and the second flow channel, and the first flow channel outlet is disposed in the transition region.
Further, the first flow passage and the second flow passage are parallel to each other with respect to a horizontal plane.
The assembly component comprises a rubber body, and a liquid chamber is arranged in the rubber body; the liquid chamber comprises an upper liquid chamber and a lower liquid chamber, and the upper liquid chamber is communicated with the lower liquid chamber; the valve body is assembled in the lower liquid cavity, and an upper cavity opening is formed in one end, corresponding to the runner inlet, of the valve body; the inner cavity is communicated with the upper liquid cavity through an upper opening of the inner cavity, and the flow passage is communicated with the upper liquid cavity through a flow passage inlet.
The decoupling device further comprises a decoupling disc and a cover plate, wherein the decoupling disc is arranged in the inner cavity and is positioned at one end close to the upper opening of the inner cavity; the cover plate is arranged on an upper opening of the inner cavity and limits the decoupling disc in the inner cavity; the de-coupling disc is movable within the inner cavity.
Furthermore, the inner cavity comprises a decoupling disc assembling space and a cover plate assembling space, the decoupling disc assembling space and the cover plate assembling space are both arranged at one end, close to the upper opening of the inner cavity, in the inner cavity, and the decoupling disc assembling space is communicated with the cover plate assembling space; the decoupling disc assembling space is arranged between the first runner outlet and the cover plate assembling space; the inner diameter of the assembly space of the decoupling disc is smaller than that of the assembly space of the cover plate, the decoupling disc moves between the assembly space of the decoupling disc and the assembly space of the cover plate, and the cavity is closed when the decoupling disc is located in the assembly space of the decoupling disc.
Further, a cover plate assembly groove is formed in the side face of the cover plate, the diameter of the cover plate assembly groove corresponds to the inner diameter of the cover plate assembly space, and the cover plate assembly groove is attached to the cover plate assembly space; a cover plate opening is also arranged on the cover plate.
Further, the liquid chamber is arranged at one end of the rubber body, a liquid chamber opening corresponding to the lower liquid chamber is arranged on the rubber body, and the liquid chamber opening is sealed by the leather cup; a leather cup space is arranged in the leather cup and is communicated with the upper liquid cavity and the lower liquid cavity; the runner is communicated with the leather cup space through a second runner outlet; damping liquid is also arranged in the liquid chamber, and flows in the upper liquid cavity, the flow channel, the inner cavity and the leather cup space.
Furthermore, the decoupling disc comprises an upper decoupling disc and a lower decoupling disc, and the cover plate comprises an upper cover plate and a lower cover plate; the inner cavity comprises an upper decoupling disc assembling space, a lower decoupling disc assembling space, an upper cover plate assembling space and a lower cover plate assembling space; the upper decoupling disc assembling space and the upper cover plate assembling space are arranged at one end of the upper opening of the inner cavity, the upper cover plate assembling space is arranged above the upper decoupling disc assembling space, the upper decoupling disc is arranged in the upper decoupling disc assembling space, and the upper cover plate is arranged in the upper cover plate assembling space; an inner cavity lower opening is formed in one end, far away from the inner cavity upper opening, of the valve body, and the inner cavity is communicated with the leather cup space through the inner cavity lower opening; the lower decoupling disc assembling space and the lower cover plate assembling space are arranged at one end of the lower opening of the inner cavity, the lower cover plate assembling space is arranged below the lower decoupling disc assembling space, the lower decoupling disc is arranged in the lower decoupling disc assembling space, and the lower cover plate is arranged in the cover plate assembling space.
Furthermore, the leather cup comprises leather cup rubber and an inner ring, the inner ring is wrapped by the leather cup rubber, and the shape of the inner ring corresponds to that of one end of the valve body, which is provided with the lower opening of the inner cavity.
Further, the assembly component comprises an assembly bracket, a bracket assembly space is arranged at one end, away from the liquid chamber, of the rubber part, and the assembly bracket is arranged in the bracket assembly space and is wrapped by the rubber body; the assembling bracket is provided with a bracket assembling port and is assembled with a corresponding position through the bracket assembling port, and a rubber part assembling port corresponding to the bracket assembling port is arranged on the rubber part;
the assembly bracket is also provided with a bracket assembly hole, the rubber part is provided with a corresponding rubber assembly hole, and the bracket assembly hole is communicated with the rubber part assembly opening and the outside through the rubber assembly hole;
the assembling support is also provided with an auxiliary assembling hole, and the inner surface of the rubber part assembling port is provided with a through hole corresponding to the auxiliary assembling hole;
the outer surface of the rubber part corresponding to the assembling support area is also provided with a gripping part, and gripping grooves are distributed on the gripping part;
the assembly component further comprises an outer tube, and the outer tube wraps the area, corresponding to the liquid chamber, of the rubber part.
The invention has the beneficial effects that:
the damping fluid has two flow channels, the stroke of the damping fluid is short when the damping fluid flows in the first flow channel, and the requirement of large damping of a traditional structure can be met; and the damping fluid has a longer stroke when passing through the first flow passage and then entering the second flow passage, and can generate the performance of low dynamic stiffness at specific frequency (idling), and the vibration isolation effect of the engine at the idling is more prominent.
The first flow channel and the second flow channel are arranged around the valve body, so that damping liquid can flow in the flow channels conveniently; when a vehicle meets a road condition with large road surface fluctuation, the rubber body is quickly deformed and restored, the damping liquid is driven by the deformation of the rubber body to enter the first flow channel, and when the rubber body is quickly restored, the damping liquid enters the inner cavity through the outlet of the first flow channel and flows back to the upper liquid cavity through the upper opening of the inner cavity; when the vehicle is meetting the mild road conditions in road surface, the slow deformation of the rubber body orders about the damping fluid and slowly gets into the second runner from first runner to flow into the leather cup space by the second runner, the damping fluid flows out along second runner and first runner backward to last sap cavity by the leather cup space when the rubber body slowly recovers.
The first flow channel and the second flow channel are parallel to the horizontal plane, so that the damping liquid is more gentle and stable when flowing, and the damping of the damping device is more stable; the transition area is arranged so that the damping fluid in the first flow passage can flow into the inner cavity or the second flow passage more smoothly.
The inner cavity of the invention is communicated with the leather cup space through the lower opening of the inner cavity and is communicated with the upper liquid cavity through the upper opening of the inner cavity, and the two ends of the inner cavity are provided with an upper decoupling disc, a lower decoupling disc, an upper cover plate and a lower cover plate; the invention can be reversely assembled on the vehicle without influencing the use of the invention, so that the application range of the invention is higher.
Drawings
FIG. 1 is a block diagram of the present invention.
FIG. 2 is a cross-sectional view of example 1 of the present invention.
Fig. 3 is a cross-sectional view of the assembled rubber body and cup.
Fig. 4 is a view showing the structure of the mounting bracket.
FIG. 5 is an assembly structure view of the valve body, the cup, the decoupling plate and the cover plate.
Fig. 6 is a side view of fig. 5.
Fig. 7 is a cover plate structure view.
Fig. 8 is an assembly sectional view of the valve body, the cup, the decoupling plate and the cover plate in embodiment 1.
Fig. 9 is a sectional view of a valve body in a preferred embodiment of embodiment 1.
Fig. 10 is a sectional view showing the assembly of the valve body, the cup, the decoupling plate and the cover plate in the preferred mode of embodiment 1.
Fig. 11 is a structure view of a restrictor plate according to embodiment 2.
Fig. 12 is a sectional view of the valve body of embodiment 2.
Reference numbers in the figures:
1. a valve body; 2. a rubber body; 3. a decoupling plate; 4. a cover plate; 5. assembling a bracket; 6. an outer tube; 7. an inner cavity; 12. a flow channel; 13. a first flow channel outlet; 14. a first flow passage; 15. a second flow passage; 16. a flow channel inlet; 17. a second flow channel outlet; 18. a transition region; 19. a decoupling plate assembly space; 20. a cover plate assembly space; 21. a liquid chamber; 22. a feeding cavity; 23. a lower liquid cavity; 24. an opening is formed in the inner cavity; 25. the lower opening of the inner cavity; 26. a liquid chamber opening; 27. a leather cup; 28. a leather cup rubber; 29. an inner ring; 30. a cup space; 31. an upper decoupling plate; 32. a lower de-coupling plate; 41. a cover plate assembly groove; 42. the cover plate is provided with an opening; 43. an upper cover plate; 44. a lower cover plate; 51. a bracket assembly space; 52. a bracket assembly port; 53. a rubber member assembling port; 54. a bracket assembly hole; 55. a rubber assembling hole; 56. an auxiliary assembly hole; 57. through holes; 58. a grip portion; 59. a grip groove; 60. a reinforcing block; 71. an upper decoupling plate assembly space; 72. a lower decoupling plate assembly space; 73. an upper cover plate assembly space; 74. a lower cover plate assembly space; 150. a restrictor plate; 151. a first through hole; 152. a second through hole; 153. a third through hole; 161. the cover plate is provided with an opening; 162. and a cover plate assembly groove.
Detailed Description
The invention is further described with reference to the following figures and specific examples. It should be noted that the examples are only for specifically illustrating the present invention, and the purpose thereof is to make the technical solution of the present invention better understood by those skilled in the art, and should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
as shown in fig. 1-8, a double-flow-passage 12 hydraulic vibration isolation device comprises a valve body 1, wherein an inner cavity 7 and a flow passage 12 are arranged on the valve body 1, the inner cavity 7 is arranged in the valve body 1, and the flow passage 12 is arranged around the side surface of the outer surface of the valve body 1; the flow channel 12 comprises a flow channel inlet 16, a first flow channel outlet 13 and a second flow channel outlet 17, the flow channel inlet 16 and the second flow channel outlet 17 are arranged at two ends of the flow channel 12, the first flow channel outlet 13 is arranged between the flow channel inlet 16 and the second flow channel outlet 17, and the first flow channel outlet 13 enables the flow channel 12 to be communicated with the inner cavity 7; a first flow channel 14 is arranged between the flow channel inlet 16 and the first flow channel outlet 13, and a second flow channel 15 is arranged between the first flow channel outlet 13 and the second flow channel outlet 17; the damping device is provided with the two flow passages 12, the stroke of damping liquid is short when the damping liquid flows in the first flow passage 14, and the requirement of large damping of a traditional structure can be met; the damping fluid passes through the first flow channel 14 and then enters the second flow channel 15, the stroke is long, the performance of low dynamic stiffness can be generated at specific frequency (idling), and the vibration isolation effect of the engine at idling is more prominent; the transition area 18 is arranged so that the damping fluid in the first flow passage 14 can flow into the inner cavity 7 or the second flow passage 15 more smoothly; in general, the transition region 18 is disposed obliquely to facilitate the damping fluid to flow from the first flow channel 14 to the second flow channel 15, but the transition region 18 may also be in an arc shape to facilitate the damping fluid to flow.
The first flow channel 14 and the second flow channel 15 are arranged around the valve body 1, and the first flow channel 14 is arranged above the second flow channel 15, so that the damping liquid can flow in the flow channel 12 conveniently; a flow channel inlet 16 is arranged at one end of the first flow channel 14 far away from the second flow channel 15, and a second flow channel outlet 17 is arranged at one end of the second flow channel 15 far away from the first flow channel 14; when a vehicle meets a road condition with large road surface fluctuation, the damping fluid is quickly deformed and restored, the damping fluid is driven to enter the first flow channel 14 by the deformation of the damping fluid, and the damping fluid enters the inner cavity 7 through the first flow channel outlet and flows back to the upper fluid cavity 22 through the upper opening 24 of the inner cavity when the damping fluid is quickly restored; when the vehicle meets a road condition with a gentle road surface, the damping liquid is driven by the slow deformation of the invention to slowly enter the second flow passage 15 from the first flow passage 14 and flow into the leather cup space 30 from the second flow passage 15, and when the vehicle is slowly restored, the damping liquid flows out from the leather cup space 30 and flows back to the upper liquid cavity 22 along the second flow passage 15 and the first flow passage 14.
In this embodiment, the first flow channel 14 and the second flow channel 15 are parallel to each other with respect to the horizontal plane, so that the damping fluid is more gentle and stable when flowing, and the damping of the present invention is more stable.
In the embodiment, the valve body 1 and the inner cavity 7 are cylindrical, and the central point of the valve body 1 coincides with the central point of the inner cavity 7; the whole structure of the valve body 1 is firmer and more stable.
The invention also comprises an assembly component, wherein the assembly component comprises a rubber body 2, and a liquid chamber 21 is arranged in the rubber body 2; the liquid chamber 21 comprises an upper liquid chamber 22 and a lower liquid chamber 23, the upper liquid chamber 22 is communicated with the lower liquid chamber 23, and the upper liquid chamber 22 and the lower liquid chamber 23 are arranged to facilitate the assembly of the valve body 1 and the flowing of damping liquid; the valve body 1 is assembled in the lower liquid cavity 23, and an inner cavity upper opening 24 is arranged at one end of the valve body 1 corresponding to the runner inlet 16; the inner cavity 7 is communicated with the upper liquid cavity 22 through an inner cavity upper opening 24, and the flow channel 12 is communicated with the upper liquid cavity 22 through the flow channel inlet 16, so that the damping liquid can conveniently flow through the valve body 1.
In the embodiment, the decoupling zero disc type mechanical coupling comprises a decoupling disc 3 and a cover plate 4, wherein the decoupling disc 3 is arranged in an inner cavity 7 and is positioned at one end close to an upper opening 24 of the inner cavity; the cover plate 4 is arranged at the upper opening 24 of the inner cavity to limit the decoupling disc 3 in the inner cavity 7; the decoupling disc 3 can move in the inner cavity 7, so that damping liquid in the inner cavity 7 can open the decoupling disc 3 for backflow, and the large-damping decoupling disc can be used for dealing with a road section with a bumpy road surface; the inner cavity 7 comprises a decoupling disc assembling space 19 and a cover plate assembling space 20, the decoupling disc assembling space 19 and the cover plate assembling space 20 are both arranged at one end, close to an upper opening 24 of the inner cavity, of the inner cavity 7, and the decoupling disc assembling space 19 is communicated with the cover plate assembling space 20, so that damping liquid can conveniently flow back; the decoupling disc mounting space 19 is arranged between the first runner outlet 13 and the cover plate mounting space 20; when the damping device is used for a road section with a bumpy road surface, damping fluid enters the inner cavity 7 from the first flow channel 14 and pushes the decoupling disc 3 to pass through the cover plate 4 to complete backflow, and therefore the damping device completes large-damping shock absorption.
In the present embodiment, a cover plate assembly groove 41 is provided on a side surface of the cover plate 4, a diameter of the cover plate assembly groove 41 corresponds to an inner diameter of the cover plate assembly space 20, and the cover plate assembly groove 41 is attached to the cover plate assembly space 20, so that the cover plate 4 is assembled more firmly and stably; a cover plate opening 42 is also provided in the cover plate 4 for the damping fluid to flow through.
The liquid chamber 21 is arranged at one end of the rubber body 2, a liquid chamber opening 26 corresponding to the lower liquid cavity 23 is arranged on the rubber body 2, and the liquid chamber opening 26 is closed by a leather cup 27; a leather cup space 30 is arranged in the leather cup 27, and the leather cup space 30 is communicated with the upper liquid cavity 22 and the lower liquid cavity 23; the runner 12 is communicated with the leather cup space 30 through the second runner outlet 17; damping liquid is also arranged in the liquid chamber 21, and flows in the upper liquid chamber 22, the flow channel 12, the inner chamber 7 and the leather cup space 30; in general, most of the damping fluid is located in the upper fluid chamber 22, and when the present invention is subjected to an acting force, the damping fluid flows into the inner chamber 7 or the cup space 30 through the flow channel 12; the liquid chamber opening 26 is provided to facilitate assembly and disassembly of the valve body 1 and to facilitate addition of damping liquid.
The packing cup 27 comprises packing cup rubber 28 and an inner ring 29, the inner ring 29 is wrapped by the packing cup rubber 28, and the shape of the inner ring 29 corresponds to that of one end of the valve body 1 provided with the second flow passage outlet 17; the assembly of the rubber cup 28, the valve body 1 and the rubber body 2 is more precise, and the sealing effect of the rubber cup 27 is better.
The assembling component comprises an assembling bracket 5, a bracket assembling space 51 is arranged at one end of the rubber part far away from the liquid chamber 21, and the assembling bracket 5 is arranged in the bracket assembling space 51 and is wrapped by the rubber body 2, so that the assembling component is firmer and more stable in assembling; the assembling bracket 5 is provided with a bracket assembling port 52 and is assembled with a corresponding position through the bracket assembling port 52, and the rubber part is provided with a rubber part assembling port 53 corresponding to the bracket assembling port 52, so that the assembling of the invention is firmer;
the mounting bracket 5 is also provided with a bracket mounting hole 54, the rubber piece is provided with a corresponding rubber mounting hole 55, and the bracket mounting hole 54 is communicated with the rubber piece mounting opening 53 and the outside through the rubber mounting hole 55; after the assembly of the rubber part assembly opening 53 is completed, a fastening screw penetrates through the bracket assembly hole 54 and the rubber assembly hole 55 to be connected with a corresponding assembly position, so that the assembly stability of the invention is enhanced;
the assembling support 5 is also provided with an auxiliary assembling hole 56, the inner surface of the rubber part assembling port 53 is provided with a through hole 57 corresponding to the auxiliary assembling hole 56, so that the assembling support 5 is more precisely and conveniently mounted, and the through hole 57 can prevent the gas inside the rubber part from being blocked when the assembling support 5 is assembled, so that the assembling support 5 is not assembled in place;
a reinforcing block 60 is provided on the mount bracket 5, the reinforcing block 60 is wrapped by the rubber body 2, and the reinforcing block 60 is provided between the bracket mount space 51 and the liquid chamber 21 for supporting the rubber member to prevent it from being easily deformed.
The outer surface of the rubber part corresponding to the area of the assembling bracket 5 is also provided with a gripping part 58, and gripping grooves 59 are distributed on the gripping part 58 to facilitate gripping of people during assembling and disassembling;
the assembly component also comprises an outer tube 6, the outer tube 6 wraps the area of the rubber part corresponding to the liquid chamber 21, the valve body 1 is further protected, and the damage to the valve body 1 caused by the fact that the rubber body 2 is extruded in the working process of the assembly component is prevented.
As shown in fig. 9-10, in some preferred forms, the decoupling discs 3 comprise an upper decoupling disc 31 and a lower decoupling disc 32, and the cover plate 4 comprises an upper cover plate 43 and a lower cover plate 44; the inner cavity 7 comprises an upper decoupling disc assembling space 71, a lower decoupling disc assembling space 72, an upper cover plate assembling space 73 and a lower cover plate assembling space 74; the upper decoupling disc assembling space 71 and the upper cover plate assembling space 73 are arranged at one end of the inner cavity upper opening 24, the upper cover plate assembling space 73 is arranged above the upper decoupling disc assembling space 71, the upper decoupling disc 31 is arranged in the upper decoupling disc assembling space 71, and the upper cover plate 43 is arranged in the upper cover plate assembling space 73; an inner cavity lower opening 25 is arranged at one end of the valve body 1 far away from the inner cavity upper opening 24, and the inner cavity 7 is communicated with the leather cup space 30 through the inner cavity lower opening 25; a lower decoupling disc assembling space 72 and a lower cover plate assembling space 74 are arranged at one end of the inner cavity lower opening 25, the lower cover plate assembling space 74 is arranged below the lower decoupling disc assembling space 72, the lower decoupling disc 32 is arranged in the lower decoupling disc assembling space 72, and the lower cover plate 44 is arranged in the cover plate assembling space 20; the invention can be reversely assembled on the vehicle without influencing the use of the invention, so that the application range of the invention is wider.
Example 2:
as shown in fig. 11 to 12, in the present embodiment, a flow restriction plate 150 is further disposed in the inner cavity, and the flow restriction plate 150 is disposed with through holes; the decoupling disc covers the upper surface of the flow limiting plate 150, and the horizontal height of the flow limiting plate 150 is higher than that of the first flow channel outlet; in the embodiment, the decoupling disc is positioned at a position convenient to open through the flow limiting plate 150, so that the decoupling disc can be stably opened when the damping liquid moves upwards, the damping effect of the damping device is further ensured, the phenomenon that the decoupling disc blocks an inner cavity to generate negative pressure in a liquid chamber, so that cavity abnormal sound is caused is avoided, and the riding experience of a vehicle is further improved; and the distributed through holes make the damping liquid more stable when passing through the restrictor plate 150, thereby making the damping effect of the present invention more stable.
The pass through holes include a first pass through hole 151, a second pass through hole 152, and a third pass through hole 153; the first through hole 151 is arranged in the center of the restrictor plate 150, the second through hole 152 is arranged around the first through hole 151, and the third through hole 153 is arranged around the second through hole 152; the distances between the second through holes 152 and between the third through holes 153 are equal; when the decoupling disc is arranged in the assembly space of the decoupling disc, the first through holes 151, the second through holes 152 and the third through holes 153 are all shielded by the decoupling disc, and the distances among the second through holes 152 and the third through holes 153 are equal, so that damping liquid passes through the first through holes 151, the second through holes 152 and the third through holes 153, the decoupling disc can be uniformly impacted, the decoupling disc is opened, the flow of the damping liquid is more uniform, and the damping effect of the damping disc is more stable.
Other technical schemes of the embodiment are the same as those of the embodiment 1.
It should be noted that other technical solutions of the present invention are all the prior art, and therefore, are not described in detail.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. A double-flow-passage hydraulic vibration isolation device is characterized by comprising a valve body, wherein an inner cavity and a flow passage are arranged on the valve body, the inner cavity is arranged in the valve body, and the flow passage is arranged around the side surface of the outer surface of the valve body; the flow channel comprises a flow channel inlet, a first flow channel outlet and a second flow channel outlet, the flow channel inlet and the second flow channel outlet are arranged at two ends of the flow channel, the first flow channel outlet is arranged between the flow channel inlet and the second flow channel outlet, and the first flow channel outlet enables the flow channel to be communicated with the inner cavity; a first flow channel is arranged between the flow channel inlet and the first flow channel outlet, and a second flow channel is arranged between the first flow channel outlet and the second flow channel outlet; the flow channel further comprises a transition region disposed between the first flow channel and the second flow channel, and the first flow channel outlet is disposed in the transition region.
2. The dual-flow-passage hydraulic vibration isolation device of claim 1, wherein said first flow passage and said second flow passage are parallel with respect to a horizontal plane.
3. The dual-flow-passage hydraulic vibration isolation device of claim 1, further comprising a fitting assembly, said fitting assembly comprising a rubber body, a liquid chamber being provided in the rubber body; the liquid chamber comprises an upper liquid chamber and a lower liquid chamber, and the upper liquid chamber is communicated with the lower liquid chamber; the valve body is assembled in the lower liquid cavity, and an upper cavity opening is formed in one end, corresponding to the runner inlet, of the valve body; the inner cavity is communicated with the upper liquid cavity through an upper opening of the inner cavity, and the flow passage is communicated with the upper liquid cavity through a flow passage inlet.
4. The dual-flow-passage hydraulic vibration isolation device of claim 3, comprising a decoupling disk and a cover plate, wherein the decoupling disk is arranged in the inner cavity and is positioned at one end close to the upper opening of the inner cavity; the cover plate is arranged on an upper opening of the inner cavity and limits the decoupling disc in the inner cavity; the de-coupling disc is movable within the inner cavity.
5. The dual-flow-passage hydraulic vibration isolation device according to claim 4, wherein the inner cavity comprises a decoupling disc assembling space and a cover plate assembling space, the decoupling disc assembling space and the cover plate assembling space are both arranged at one end of the inner cavity close to the upper opening of the inner cavity, and the decoupling disc assembling space is communicated with the cover plate assembling space; the decoupling disc assembling space is arranged between the first runner outlet and the cover plate assembling space; the inner diameter of the assembly space of the decoupling disc is smaller than that of the assembly space of the cover plate, the decoupling disc moves between the assembly space of the decoupling disc and the assembly space of the cover plate, and the cavity is closed when the decoupling disc is located in the assembly space of the decoupling disc.
6. The dual-flow-passage hydraulic vibration isolation device according to claim 5, wherein a cover plate assembly groove is provided on a side surface of the cover plate, a diameter of the cover plate assembly groove corresponds to an inner diameter of the cover plate assembly space, and the cover plate assembly groove is fitted with the cover plate assembly space; a cover plate opening is also arranged on the cover plate.
7. The dual-channel hydraulic vibration isolation device of claim 1 wherein the liquid chamber is disposed at one end of the rubber body, and a liquid chamber opening corresponding to the lower liquid chamber is disposed on the rubber body, and the liquid chamber opening is closed by a cup; a leather cup space is arranged in the leather cup and is communicated with the upper liquid cavity and the lower liquid cavity; the runner is communicated with the leather cup space through a second runner outlet; damping liquid is also arranged in the liquid chamber, and flows in the upper liquid cavity, the flow channel, the inner cavity and the leather cup space.
8. The dual-flow-passage hydraulic vibration isolation device of claim 4, wherein the decoupling discs comprise upper decoupling discs and lower decoupling discs, and the cover plates comprise upper cover plates and lower cover plates; the inner cavity comprises an upper decoupling disc assembling space, a lower decoupling disc assembling space, an upper cover plate assembling space and a lower cover plate assembling space; the upper decoupling disc assembling space and the upper cover plate assembling space are arranged at one end of the upper opening of the inner cavity, the upper cover plate assembling space is arranged above the upper decoupling disc assembling space, the upper decoupling disc is arranged in the upper decoupling disc assembling space, and the upper cover plate is arranged in the upper cover plate assembling space; an inner cavity lower opening is formed in one end, far away from the inner cavity upper opening, of the valve body, and the inner cavity is communicated with the leather cup space through the inner cavity lower opening; the lower decoupling disc assembling space and the lower cover plate assembling space are arranged at one end of the lower opening of the inner cavity, the lower cover plate assembling space is arranged below the lower decoupling disc assembling space, the lower decoupling disc is arranged in the lower decoupling disc assembling space, and the lower cover plate is arranged in the cover plate assembling space.
9. The dual-flow-passage hydraulic vibration isolation device of claim 7, wherein the cup comprises a cup rubber and an inner ring, the cup rubber wraps the inner ring, and the shape of the inner ring corresponds to the end of the valve body provided with the lower opening of the inner cavity.
10. The dual-channel hydraulic vibration isolation device of claim 3, wherein the mounting assembly comprises a mounting bracket, and a bracket mounting space is arranged at one end of the rubber part far away from the liquid chamber, and the mounting bracket is arranged in the bracket mounting space and is wrapped by the rubber body; the assembling bracket is provided with a bracket assembling port and is assembled with a corresponding position through the bracket assembling port, and a rubber part assembling port corresponding to the bracket assembling port is arranged on the rubber part;
the assembly bracket is also provided with a bracket assembly hole, the rubber part is provided with a corresponding rubber assembly hole, and the bracket assembly hole is communicated with the rubber part assembly opening and the outside through the rubber assembly hole;
the assembling support is also provided with an auxiliary assembling hole, and the inner surface of the rubber part assembling port is provided with a through hole corresponding to the auxiliary assembling hole;
the outer surface of the rubber part corresponding to the assembling support area is also provided with a gripping part, and gripping grooves are distributed on the gripping part;
the assembly component further comprises an outer tube, and the outer tube wraps the area, corresponding to the liquid chamber, of the rubber part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111239307.3A CN113915286A (en) | 2021-10-25 | 2021-10-25 | Double-flow-passage hydraulic vibration isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111239307.3A CN113915286A (en) | 2021-10-25 | 2021-10-25 | Double-flow-passage hydraulic vibration isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113915286A true CN113915286A (en) | 2022-01-11 |
Family
ID=79242707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111239307.3A Pending CN113915286A (en) | 2021-10-25 | 2021-10-25 | Double-flow-passage hydraulic vibration isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113915286A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101031734A (en) * | 2004-09-29 | 2007-09-05 | 株式会社普利司通 | Vibration damper |
| US20090008195A1 (en) * | 2005-09-07 | 2009-01-08 | Bridgestone Corporation | Vibration isolator |
| CN203532609U (en) * | 2013-10-30 | 2014-04-09 | 重庆长安汽车股份有限公司 | Hydraulic suspension of hybrid electric vehicle engine |
| CN110573763A (en) * | 2017-04-27 | 2019-12-13 | 株式会社普利司通 | Vibration isolation device |
| CN111734774A (en) * | 2020-06-19 | 2020-10-02 | 汉腾汽车有限公司 | Automobile hydraulic suspension with length-adjustable inertia channel |
-
2021
- 2021-10-25 CN CN202111239307.3A patent/CN113915286A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101031734A (en) * | 2004-09-29 | 2007-09-05 | 株式会社普利司通 | Vibration damper |
| US20090008195A1 (en) * | 2005-09-07 | 2009-01-08 | Bridgestone Corporation | Vibration isolator |
| CN203532609U (en) * | 2013-10-30 | 2014-04-09 | 重庆长安汽车股份有限公司 | Hydraulic suspension of hybrid electric vehicle engine |
| CN110573763A (en) * | 2017-04-27 | 2019-12-13 | 株式会社普利司通 | Vibration isolation device |
| CN111734774A (en) * | 2020-06-19 | 2020-10-02 | 汉腾汽车有限公司 | Automobile hydraulic suspension with length-adjustable inertia channel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104565176B (en) | Piston for damper valve module | |
| US9850977B2 (en) | Bolt through hydraulic mount with and without a decoupler | |
| JP2801184B2 (en) | Two-chamber motor support device having a hydraulic buffer | |
| JP2006112608A (en) | Fluid-sealed vibration absorbing device | |
| US20150323035A1 (en) | Twin Tube Damper | |
| US7267332B2 (en) | Hydraulic vibration isolation device | |
| EP2992242B1 (en) | Hydraulic engine mount inertia track with at least two restrictions | |
| EP0133588B1 (en) | Vibration isolating device and system | |
| JPH0198719A (en) | Fluid elastic joint structure | |
| US20060082036A1 (en) | Vehicular fluid sealed engine mount | |
| US5558316A (en) | Hydro-mount for power plant | |
| WO2018193670A1 (en) | Vibration damping device | |
| CN216078105U (en) | Double-flow-passage hydraulic vibration isolation device | |
| US10451140B2 (en) | Damping support device | |
| CN216200100U (en) | Hydraulic suspension decoupling vibration isolation device | |
| CN113915286A (en) | Double-flow-passage hydraulic vibration isolation device | |
| KR101165210B1 (en) | Air damping mount having a variable orifice hole | |
| JP2007521444A (en) | Engine mount | |
| CN217463035U (en) | Hydraulic suspension | |
| CN108131390B (en) | Hydro-elastic bearing | |
| CN110195762B (en) | Hydraulic bushing type vibration damper with variable damping | |
| CN113915287A (en) | Hydraulic suspension decoupling vibration isolation device | |
| JP4061493B2 (en) | Fluid filled cylindrical vibration isolator | |
| CN107654320B (en) | Air filter with adjustable inner cavity volume | |
| JP2009085314A (en) | Fluid-enclosed vibration isolator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |