CN213298679U - Hydraulic suspension - Google Patents
Hydraulic suspension Download PDFInfo
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- CN213298679U CN213298679U CN202021776892.1U CN202021776892U CN213298679U CN 213298679 U CN213298679 U CN 213298679U CN 202021776892 U CN202021776892 U CN 202021776892U CN 213298679 U CN213298679 U CN 213298679U
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- flow channel
- liquid chamber
- runner
- cross
- assembly
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Abstract
The utility model discloses a hydraulic suspension, it is including buffer solution, last liquid chamber, lower liquid chamber and being located go up the liquid chamber with runner assembly between the lower liquid chamber, runner assembly has independent setting's first runner and second runner, first runner surrounds the outside of second runner, the one end of first runner has corresponding to go up the first mouth of a river of liquid chamber, the other end of first runner has corresponding to the first mouth of a river of lower liquid chamber, the one end of second runner has corresponding to go up the second mouth of a river of liquid chamber, the other end of second runner has corresponding to the second mouth of a river of lower liquid chamber. The utility model discloses a set up two independent runner passageways in order to improve on the runner subassembly is right the impact capacity of buffer solution makes the hydraulic suspension has higher loss angle, the effectual improvement in wider frequency range the damping performance of hydraulic suspension.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a hydraulic suspension especially relates to a hydraulic suspension who installs runner assembly.
[ background of the invention ]
With the continuous development of society, vehicles become an indispensable part of people's lives as vehicles, and common vehicles include cars, trucks, buses and the like. In order to satisfy different functions, a vehicle is usually provided with a plurality of vibration devices, such as an oil-burning engine or an electric motor for supplying power, an air-conditioning compressor for compressing and driving refrigerant, and the like, and the vibration devices generate large vibration during operation, thereby seriously affecting the riding experience of a rider. In order to reduce the influence of the vibration device on the driving comfort of the vehicle, a plurality of vibration damping devices are designed, wherein the hydraulic suspension is a popular one. The prior hydraulic mount is generally provided with a flow channel assembly, which is arranged between an upper liquid chamber and a lower liquid chamber of the hydraulic mount, wherein the flow channel assembly is provided with an independent flow channel, the flow channel is provided with an upper flow channel port corresponding to the upper liquid chamber and a lower flow channel port corresponding to the lower liquid chamber, and during the working process, a buffer solution in the hydraulic mount flows back and forth between the upper liquid chamber and the lower liquid chamber through the flow channel so as to realize the vibration damping of the vibration device. However, the hydraulic mount can only meet the damping requirements of a common hydraulic mount, and when a high loss angle is required in a wide frequency range, the hydraulic mount cannot meet the requirements.
Therefore, it is desirable to provide a new technical solution to solve the above technical problems.
[ Utility model ] content
The utility model discloses the technical problem that will solve lies in: provides a hydraulic suspension with better damping performance.
In order to solve the technical problem, the utility model discloses following technical scheme can be adopted: a hydraulic suspension comprises a buffer solution, an upper liquid chamber, a lower liquid chamber and a flow channel assembly located between the upper liquid chamber and the lower liquid chamber, wherein the flow channel assembly is provided with a first flow channel and a second flow channel which are independently arranged, the first flow channel surrounds the outer side of the second flow channel, one end of the first flow channel is provided with a first upper flow channel opening corresponding to the upper liquid chamber, the other end of the first flow channel is provided with a first lower flow channel opening corresponding to the lower liquid chamber, one end of the second flow channel is provided with a second upper flow channel opening corresponding to the upper liquid chamber, and the other end of the second flow channel is provided with a second lower flow channel opening corresponding to the lower liquid chamber.
In a preferred embodiment, the first flow channel is longer than the second flow channel.
In a preferred embodiment, the hydraulic mount includes a decoupling membrane disposed within the flow passage assembly, and the first and second flow passages are disposed around the decoupling membrane.
In a preferred embodiment, the cross-sectional area of the first flow passage is larger than the cross-sectional area of the second flow passage.
In a preferred embodiment, the flow channel assembly includes an upper housing and a lower housing, and the first flow channel and the second flow channel are both formed by the upper housing and the lower housing together.
In a preferred embodiment, the hydraulic mount includes a decoupling film disposed in the flow channel assembly, the upper housing and the lower housing together form an accommodating space for accommodating the decoupling film, the upper housing has a plurality of upper through holes communicating the upper liquid chamber with the accommodating space, and the lower housing has a plurality of lower through holes communicating the lower liquid chamber with the accommodating space.
In a preferred embodiment, the hydraulic mount includes a rubber main spring and a cup, one of the rubber main spring and the cup is disposed on the upper liquid chamber side, and the other is disposed on the lower liquid chamber side.
In a preferred embodiment, the first upstream port opening and the second upstream port opening are adjacently arranged and the first upstream port opening is arranged outside the second upstream port opening, and the first downstream port opening and the second downstream port opening are adjacently arranged and the first downstream port opening is arranged outside the second downstream port opening.
In order to solve the technical problem, the utility model discloses following technical scheme still can be adopted: a hydraulic suspension includes a buffer, an upper liquid chamber, a lower liquid chamber, and a flow channel assembly located between the upper liquid chamber and the lower liquid chamber, the flow channel assembly having a first flow channel and a second flow channel which are independently provided, the first flow channel being longer than the second flow channel, one end of the first flow channel having a first upper flow channel port corresponding to the upper liquid chamber, the other end of the first flow channel having a first lower flow channel port corresponding to the lower liquid chamber, one end of the second flow channel having a second upper flow channel port corresponding to the upper liquid chamber, the other end of the second flow channel having a second lower flow channel port corresponding to the lower liquid chamber.
In a preferred embodiment, the cross-sectional area of the first flow passage is larger than the cross-sectional area of the second flow passage.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up two independent runner passageways in order to improve on the runner subassembly is right the impact capacity of buffer solution, thereby make the hydraulic suspension has higher loss angle, effectual improvement in wider frequency range the damping performance of hydraulic suspension.
[ description of the drawings ]
Fig. 1 is a perspective view of a preferred embodiment of the hydraulic mount of the present invention, with a portion of the structure cut away.
Fig. 2 is a perspective view of the hydraulically suspended flow channel assembly of fig. 1 assembled with a decoupling membrane.
FIG. 3 is a perspective view of the runner assembly and decoupling membrane of FIG. 2 shown unassembled.
Fig. 4 is a cross-sectional view of the runner assembly and decoupling membrane of fig. 2 taken along line a-a.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, other embodiments obtained by the skilled in the art without creative work all belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a hydraulic mount 100 that may be used to damp various vibration devices of a vehicle, such as motors, compressors, etc. The hydraulic suspension 100 comprises a buffer solution (not shown), an upper liquid chamber 10, a lower liquid chamber 20, a flow channel assembly 1 positioned between the upper liquid chamber 10 and the lower liquid chamber 20, and a decoupling membrane 2 arranged in the flow channel assembly 1. In this embodiment, the hydraulic mount 100 includes a first bracket 3, a second bracket 4, a main rubber spring 5 disposed between the first bracket 3 and the second bracket 4, a cup 6, and a fixing member 7 for fixing the cup 6 to the flow channel assembly 1. The flow path assembly 1, the first bracket 3, the rubber main spring 5, the cup 6, and the fixing member 7 together form the upper liquid chamber 10 and the lower liquid chamber 20, the lower liquid chamber 20 is formed between the rubber main spring 5 and the flow path assembly 1, and the upper liquid chamber 10 is formed between the cup 6 and the flow path assembly 1. It is understood that, in other embodiments, the main structure of the hydraulic suspension 100 may have other arrangements, for example, the flow channel assembly 1, the second bracket 4, the main rubber spring 5, the cup 6 and the fixing member 7 together form an upper liquid chamber and a lower liquid chamber, for example, the upper liquid chamber is formed between the flow channel assembly 1 and the main rubber spring 5, and the lower liquid chamber is formed between the flow channel assembly 1 and the cup 6, which may be determined according to actual conditions.
Referring to fig. 1 to 4, the flow channel assembly 1 has a first flow channel 11 and a second flow channel 12 which are independently provided, one end of the first flow channel 11 has a first upper flow channel port 111 corresponding to the upper liquid chamber 10, the other end of the first flow channel 11 has a first lower flow channel port 112 corresponding to the lower liquid chamber 20, one end of the second flow channel 12 has a second upper flow channel port 121 corresponding to the upper liquid chamber 10, and the other end of the second flow channel 12 has a second lower flow channel port 122 corresponding to the lower liquid chamber 20. The first flow channel 11 and the second flow channel 12 preferably extend in an arc shape, and more preferably in an arc shape. The first flow channel 11 surrounds the second flow channel 12, and the first flow channel 11 is longer than the second flow channel 12, but in some embodiments, the first flow channel 11 may be arranged to surround the second flow channel 12, but the first flow channel 11 is not longer than the second flow channel 12, and in some embodiments, the first flow channel 11 may be arranged to be longer than the second flow channel 12, but the first flow channel 11 is not surrounded by the second flow channel 12. In the present embodiment, the flow channel assembly 1 includes an upper housing 13 and a lower housing 14, and the first flow channel 11 and the second flow channel 12 are both formed by the upper housing 13 and the lower housing 14 enclosing together.
With continued reference to fig. 1 to 4, the decoupling membrane 2 is used to further improve the damping performance of the hydraulic mount 100, and may be selectively disposed or not disposed according to actual requirements. The upper housing 13 and the lower housing 14 together form an accommodating space 30 for accommodating the decoupling film 2, the upper housing 13 has a plurality of upper through holes 130 for communicating the upper liquid chamber 10 with the accommodating space 30, and the lower housing 14 has a plurality of lower through holes 140 for communicating the lower liquid chamber 20 with the accommodating space 30. The decoupling membrane 2 may be fixedly disposed between the upper housing 13 and the lower housing 14, or may be movably disposed between the upper housing 13 and the lower housing 14. When the decoupling membrane 2 is fixedly arranged, it can improve both the damping performance at low frequencies and the damping performance at high frequencies. When the decoupling membrane 2 is movably arranged, it can only improve the vibration damping performance of low frequency, and at this time, the decoupling membrane 2 is preferably provided with a plurality of buffer protrusions 21 matched with the upper housing 13 and the lower housing 14, so as to prevent the decoupling membrane 2 from generating large sound due to large-area impact with the upper housing 13 and the lower housing 14.
Referring to fig. 1 and 4, the first flow channel 11 and the second flow channel 12 are both disposed around the decoupling membrane 2. In a preferred embodiment, the cross-sectional area of the cross-section of the first flow channel 11 is larger than that of the cross-section of the second flow channel 12, so that the space of the components in the transverse direction can be effectively utilized, the design space of the related structure of the decoupling film 2 is not affected, and the required range of the loss angle can be easily obtained by adjusting the cross-sectional area of the cross-section of the first flow channel 11 and the cross-sectional area of the cross-section of the second flow channel 12. If the cross-sectional area of the cross-section of the second flow channel 12 is greater than or equal to the cross-sectional area of the cross-section of the first flow channel 11, in order to ensure a resonance frequency point, the second flow channel 12 necessarily needs a longer flow channel length, which occupies a design space of a related structure of the decoupling membrane 2, thereby affecting the damping effect of the hydraulic mount 100 or the overall volume thereof.
To sum up, the utility model discloses a set up two independent runner passageways (being first runner 11 and second runner 12) in order improving on runner assembly 1 is right the impact capacity of buffer solution makes hydraulic suspension 100 can reach higher loss angle in wideer frequency range, has better damping and dynamic stiffness performance promptly in wideer frequency range, thereby effectual improvement hydraulic suspension 100's damping performance. The first flow channel 11 is arranged to surround the outer side of the second flow channel 12, so that on one hand, a large design space in the radial direction is not required, and the miniaturization and light-weight design of a product are facilitated; on the other hand, when the decoupling film 2 is arranged in the runner assembly 1, the design space of the related structure of the decoupling film 2 is not influenced. By setting the first flow channel 11 to be longer than the second flow channel 12, the resonant frequency of the buffer fluid in the hydraulic mount 100 can be adjusted to a specific range relatively easily in the same design space, and thus the hydraulic mount 100 can be further adjusted and designed to have a relatively high loss angle in the specific frequency range.
It is to be understood that the above-described embodiments of the present invention can be combined with each other to obtain further embodiments, without conflict. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Claims (10)
1. A hydraulic suspension, which comprises a buffer solution, an upper liquid chamber, a lower liquid chamber and a flow channel assembly positioned between the upper liquid chamber and the lower liquid chamber, and is characterized in that: the runner assembly has a first runner and a second runner which are independently arranged, the first runner surrounds the outside of the second runner, one end of the first runner is provided with a first upper runner port corresponding to the upper liquid chamber, the other end of the first runner is provided with a first lower runner port corresponding to the lower liquid chamber, one end of the second runner is provided with a second upper runner port corresponding to the upper liquid chamber, and the other end of the second runner is provided with a second lower runner port corresponding to the lower liquid chamber.
2. The hydraulic mount of claim 1 wherein: the first flow channel is longer than the second flow channel.
3. The hydraulic mount of claim 1 or 2 wherein: the hydraulic suspension comprises a decoupling film arranged in the runner assembly, and the first runner and the second runner are arranged around the decoupling film.
4. The hydraulic mount of claim 3 wherein: the cross-sectional area of the cross-section of the first flow passage is larger than the cross-sectional area of the cross-section of the second flow passage.
5. The hydraulic mount of claim 1 or 2 wherein: the flow channel assembly comprises an upper shell and a lower shell, and the first flow channel and the second flow channel are formed by jointly surrounding the upper shell and the lower shell.
6. The hydraulic mount of claim 5 wherein: the hydraulic suspension comprises a decoupling film arranged in the runner assembly, an accommodating space for accommodating the decoupling film is formed by the upper shell and the lower shell together, the upper shell is provided with a plurality of upper through holes communicated with the upper liquid chamber and the accommodating space, and the lower shell is provided with a plurality of lower through holes communicated with the lower liquid chamber and the accommodating space.
7. The hydraulic mount of claim 1 or 2 wherein: the hydraulic suspension comprises a rubber main spring and a leather cup, wherein one of the rubber main spring and the leather cup is arranged on one side of the upper liquid chamber, and the other one of the rubber main spring and the leather cup is arranged on one side of the lower liquid chamber.
8. The hydraulic mount of claim 1 or 2 wherein: the first upper flow channel opening and the second upper flow channel opening are adjacently arranged, the first upper flow channel opening is arranged on the outer side of the second upper flow channel opening, the first lower flow channel opening and the second lower flow channel opening are adjacently arranged, and the first lower flow channel opening is arranged on the outer side of the second lower flow channel opening.
9. A hydraulic suspension, which comprises a buffer solution, an upper liquid chamber, a lower liquid chamber and a flow channel assembly positioned between the upper liquid chamber and the lower liquid chamber, and is characterized in that: the flow channel assembly has a first flow channel and a second flow channel which are independently arranged, the first flow channel is longer than the second flow channel, one end of the first flow channel is provided with a first upper flow channel opening corresponding to the upper liquid chamber, the other end of the first flow channel is provided with a first lower flow channel opening corresponding to the lower liquid chamber, one end of the second flow channel is provided with a second upper flow channel opening corresponding to the upper liquid chamber, and the other end of the second flow channel is provided with a second lower flow channel opening corresponding to the lower liquid chamber.
10. The hydraulic mount of claim 9 wherein: the cross-sectional area of the cross-section of the first flow passage is larger than the cross-sectional area of the cross-section of the second flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021776892.1U CN213298679U (en) | 2020-08-24 | 2020-08-24 | Hydraulic suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021776892.1U CN213298679U (en) | 2020-08-24 | 2020-08-24 | Hydraulic suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298679U true CN213298679U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021776892.1U Active CN213298679U (en) | 2020-08-24 | 2020-08-24 | Hydraulic suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213298679U (en) |
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2020
- 2020-08-24 CN CN202021776892.1U patent/CN213298679U/en active Active
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