CN111734774A - Automobile hydraulic suspension with length-adjustable inertia channel - Google Patents
Automobile hydraulic suspension with length-adjustable inertia channel Download PDFInfo
- Publication number
- CN111734774A CN111734774A CN202010568488.3A CN202010568488A CN111734774A CN 111734774 A CN111734774 A CN 111734774A CN 202010568488 A CN202010568488 A CN 202010568488A CN 111734774 A CN111734774 A CN 111734774A
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- Prior art keywords
- rubber
- channel body
- channel
- glued
- passageway
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—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
- F16F13/085—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 characterised by features of plastics springs; Attachment arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—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
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
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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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
The invention discloses an automobile hydraulic suspension with an adjustable inertia channel length, which comprises a lower shell, wherein a rubber main spring is glued in the lower shell, a rubber bottom membrane is glued at the bottom of the inner wall of the rubber main spring, a lower channel body cover plate is arranged on the upper surface of the rubber bottom membrane, a lower channel body is glued above the rubber bottom membrane on the inner wall of the rubber main spring, an inertia channel is integrally formed on the outer walls of the lower channel body and the lower channel body cover plate, an upper liquid chamber is communicated with a lower liquid chamber through an overflow port arranged on the upper channel body and the overflow port of the lower channel body cover plate, the lower channel body cover plate is driven by a motor, the overflow port of the lower channel body can be positioned at different positions according to the real-time working condition of a vehicle so as to change the length of the inertia channel, further realize the active control of the suspension performance, and under the condition that other structural components of the hydraulic suspension are not changed, the dynamic stiffness, simple structure and remarkable effect.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile hydraulic suspension with an inertia channel with adjustable length.
Background
From the end of the seventies, hydraulic suspensions have been studied and applied successively by various large automobile enterprises in the world. The liquid in the hydraulic suspension flows back and forth between the upper cavity and the lower cavity through the inertia channel. When liquid flows through the inertia channel, the inertia of a liquid column in the inertia channel is large, a large amount of energy is lost at the inlet and the outlet of the inertia channel to overcome the inertia of the liquid column in the inertia channel, and the hydraulic suspension can well dissipate vibration energy, so that the shape factors (equivalent cross-sectional area, length and the like) of the inertia channel obviously influence the vibration reduction performance of the hydraulic suspension.
The patent number CN208343911U, the invention name of which is "rectifier type passive hydraulic suspension structure", discloses a hydraulic suspension structure with a rectifier arranged in an inertia channel, wherein the rectifier makes the flow field of the inertia channel more uniform, but the structure is more complex; the invention patent of patent number CN207921210U entitled "hydraulic suspension mechanism and vehicle with the same" discloses a hydraulic suspension mechanism, an upper runner plate and a lower runner plate can be repeatedly disassembled and assembled, the maintenance of a decoupling film in a runner space is more convenient, but the suspension is not maintained at all in fact; the patent number CN206111930U, entitled novel inertia channel system of engine hydraulic suspension, discloses a novel inertia channel system formed by an upper flow channel plate and a lower flow channel plate fixed by buckles, which improves the mass production efficiency of products and reduces the difficulty of design, development and debugging, but the inertia channel of the inertia channel is not adjustable and needs to be redesigned according to different requirements on vibration damping performance.
Disclosure of Invention
The invention aims to provide an automobile hydraulic suspension with an adjustable inertia channel length, wherein an upper liquid chamber is communicated with a lower liquid chamber through an overflow port arranged on an upper channel body, the inertia channel and an overflow port of a lower channel body cover plate, the lower channel body cover plate is driven by a motor, the overflow port of the lower channel body cover plate can be positioned at different positions according to the real-time working condition of a vehicle so as to change the length of the inertia channel, further active controllability of suspension performance is realized, the dynamic stiffness characteristic of the suspension is changed by adjusting the length of the inertia channel under the condition of not changing other structural components of the hydraulic suspension, the structure is simple, the effect is obvious, and the problems provided in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an inertia passageway adjustable length car hydraulic suspension, includes casing down, the internal rubber main spring that has glued of inferior valve, rubber main spring inner wall bottom is glued there is the rubber basement membrane, rubber basement membrane upper surface is equipped with down passageway body apron, the breach has been seted up on the passageway body apron down, passageway body apron center and external motor output shaft down, the rubber main spring inner wall rubber basement membrane top is glued there is the lower passageway body, the passageway body has the inertia passageway with passageway body apron outer wall integrated into one piece down, be equipped with down the liquid chamber down between passageway body and the rubber basement membrane, the passageway body top is glued down and is gone up the passageway body, it is equipped with the liquid chamber to go up between passageway body upper surface and the rubber main spring, the overflow mouth has all been seted up at passageway body and lower passageway body middle part down, the welding of inferior valve body top has last casing.
Preferably, a circular cavity is formed in the rubber bottom film, and a support ring is glued in the circular cavity.
Preferably, a decoupling film is glued between the upper channel body and the lower channel body.
Preferably, the outer wall of the lower shell is welded with a cylindrical fixed block, and the inner top of the cylindrical fixed block is welded with the outer bottom of the upper shell.
Preferably, the lower shell is in interference connection with the lower membrane of the automobile.
Preferably, the lower case and the upper case are each provided in a cylindrical shape.
Compared with the prior art, the invention has the beneficial effects that:
the dynamic stiffness characteristic of the hydraulic suspension can be changed within a certain range by changing the length of the inertia channel, so that the requirements of most vehicle types on the hydraulic suspension are met, the design, development and debugging difficulty is reduced, the product design and development cost is reduced, the product debugging period is shortened, and the product batch production efficiency is improved. By calibrating the length of the inertia channel, the product performance can be even applied mechanically, the effect is obvious, and the method is simple.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic top view of a rubber carrier film according to the present invention.
In the figure: 1. a lower housing; 2. a rubber main spring; 3. a rubber basement membrane; 4. a lower channel body cover plate; 5. a lower channel body; 6. a lower liquid chamber; 7. an upper channel body; 8. a decoupling membrane; 9. a liquid feeding chamber; 10. an overflow port; 11. an upper housing; 12. a circular cavity; 13. a support ring; 14. a cylindrical fixed block; 15. a notch; 16. an inertial channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an automobile hydraulic suspension with an inertia channel with adjustable length comprises a lower shell 1, a rubber main spring 2 is glued in the lower shell 1, a rubber bottom membrane 3 is glued at the bottom of the inner wall of the rubber main spring 2, a lower channel body cover plate 4 is arranged on the upper surface of the rubber bottom membrane 3, a notch 15 is arranged on the lower channel body cover plate 4, the center of the lower channel body cover plate 4 is connected with an output shaft of an external motor, a lower channel body 5 is glued above the rubber bottom membrane 3 on the inner wall of the rubber main spring 2, an inertia channel 16 is integrally formed on the outer walls of the lower channel body 5 and the lower channel body cover plate 4, the inertia channel 16 is spiral, the length of the inertia channel 16 is changed along with the rotation of the motor, a lower liquid chamber 6 is arranged between the lower channel body 5 and the rubber bottom membrane 3, an upper channel body 7 is glued above the lower channel body 5, an upper liquid chamber 9 is arranged between the upper surface of the upper channel body 7, the overflow mouth 10 comprises the multiunit through-hole, and the welding has last casing 11 down 1 top, and rubber 2 tops and the interior top of last casing 11 are glued joint, and lower casing 1 all does not have top cap, bottom with last casing 11.
Specifically, a circular cavity 12 is formed in the rubber bottom film 3, a support ring 13 is connected in the circular cavity 12 in an adhesive mode, the support ring 13 is connected in the circular cavity 12 in an adhesive mode, and structural strength is enhanced.
Specifically, a decoupling film 8 is glued between the upper channel body 7 and the lower channel body 5, and the decoupling film 8 is arranged between the upper channel body 7 and the lower channel body 5, so that the high-frequency vibration transmission frequency is greatly reduced.
Specifically, the outer wall of the lower shell 1 is welded with a cylindrical fixing block 14, the inner top of the cylindrical fixing block 14 is welded with the outer bottom of the upper shell 11, the cylindrical fixing block 14 is arranged, and the connection stability of the lower shell 1 and the upper shell 11 is enhanced.
Specifically, lower casing 1 and car lower diaphragm interference are connected, and lower casing 1 and car lower diaphragm interference are connected down in the setting, reduce the weeping probability.
Specifically, the lower case 1 and the upper case 11 are each formed in a cylindrical shape.
The working principle is as follows: an upper liquid chamber 9 is formed by the main rubber spring 2 and the upper channel body 7, and a lower liquid chamber 6 is formed by the lower channel body 5 and the rubber bottom film 3. The lower end face of the upper channel body 7 is attached to the upper end face of the lower channel body 5, the lower end face of the lower channel body 5 is attached to the upper end face of the lower channel body cover plate 4, a spiral inertia channel 16 is formed in the outer wall, the upper liquid chamber 9 is communicated with the lower liquid chamber 6 through an overflow port 10 formed in the upper channel body 7, the inertia channel 16 and the overflow port 10 of the lower channel body cover plate 4, the lower channel body cover plate 4 can rotate around a central shaft, the overflow ports 10 of the lower channel body cover plate are located at different positions, the length of the inertia channel 16 is changed, the lower channel body cover plate 4 is driven by a motor, the length of the inertia channel 16 can be changed according to the real-time working condition of a vehicle, and.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an inertia passageway adjustable length car hydraulic suspension, includes lower casing (1), its characterized in that: lower casing (1) interior rubber that has glued has main spring of rubber (2), rubber main spring (2) inner wall bottom is glued has rubber basement membrane (3), rubber basement membrane (3) upper surface is equipped with down passageway body apron (4), set up breach (15) down on passageway body apron (4), passageway body apron (4) center and outside motor output shaft down, rubber main spring (2) inner wall rubber basement membrane (3) top is glued has down passageway body (5), passageway body (5) and lower passageway body apron (4) outer wall integrated into one piece have inertial channel (16) down, be equipped with down liquid chamber (6) down between passageway body (5) and rubber basement membrane (3), it has last passageway body (7) to glue down passageway body (5) top, be equipped with upper liquid chamber (9) between upper surface of last passageway body (7) and the main spring of rubber (2), the overflow port (10) is formed in the middle of the upper channel body (7) and the middle of the lower channel body (5), and the upper shell (11) is welded above the lower shell (1).
2. The automotive hydraulic mount with the adjustable inertia channel length as claimed in claim 1, wherein: a circular cavity (12) is formed in the rubber bottom film (3), and a support ring (13) is connected into the circular cavity (12) in a gluing mode.
3. The automotive hydraulic mount with the adjustable inertia channel length as claimed in claim 1, wherein: a decoupling film (8) is glued between the upper channel body (7) and the lower channel body (5).
4. The automotive hydraulic mount with the adjustable inertia channel length as claimed in claim 1, wherein: the outer wall of the lower shell (1) is welded with a cylindrical fixing block (14), and the inner top of the cylindrical fixing block (14) is welded with the outer bottom of the upper shell (11).
5. The automotive hydraulic mount with the adjustable inertia channel length as claimed in claim 1, wherein: the lower shell (1) is in interference connection with the lower membrane of the automobile.
6. The automotive hydraulic mount with the adjustable inertia channel length as claimed in claim 1, wherein: the lower shell (1) and the upper shell (11) are both cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010568488.3A CN111734774A (en) | 2020-06-19 | 2020-06-19 | Automobile hydraulic suspension with length-adjustable inertia channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010568488.3A CN111734774A (en) | 2020-06-19 | 2020-06-19 | Automobile hydraulic suspension with length-adjustable inertia channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111734774A true CN111734774A (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010568488.3A Pending CN111734774A (en) | 2020-06-19 | 2020-06-19 | Automobile hydraulic suspension with length-adjustable inertia channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111734774A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417963A (en) * | 2021-06-30 | 2021-09-21 | 东风汽车集团股份有限公司 | Hydraulic suspension structure and car |
| CN113696708A (en) * | 2021-09-22 | 2021-11-26 | 湖南信息职业技术学院 | Power motor suspension assembly structure for automobile |
| CN113915286A (en) * | 2021-10-25 | 2022-01-11 | 建新赵氏科技有限公司 | Double-flow-passage hydraulic vibration isolation device |
-
2020
- 2020-06-19 CN CN202010568488.3A patent/CN111734774A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417963A (en) * | 2021-06-30 | 2021-09-21 | 东风汽车集团股份有限公司 | Hydraulic suspension structure and car |
| CN113696708A (en) * | 2021-09-22 | 2021-11-26 | 湖南信息职业技术学院 | Power motor suspension assembly structure for automobile |
| CN113915286A (en) * | 2021-10-25 | 2022-01-11 | 建新赵氏科技有限公司 | Double-flow-passage hydraulic vibration isolation device |
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