CN104154171A - Air spring type semi-active control hydraulic suspension - Google Patents
Air spring type semi-active control hydraulic suspension Download PDFInfo
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- CN104154171A CN104154171A CN201410365792.2A CN201410365792A CN104154171A CN 104154171 A CN104154171 A CN 104154171A CN 201410365792 A CN201410365792 A CN 201410365792A CN 104154171 A CN104154171 A CN 104154171A
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- control hydraulic
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Abstract
An air spring type semi-active control hydraulic suspension comprises a suspension housing. A rubber main spring is disposed at one end of the suspension housing. A bottom tray is disposed at the other end of the suspension housing. The suspension housing is internally provided with an inertial passage and a decoupling chamber. A decoupling membrane is disposed inside the decoupling chamber and divides the decoupling chamber into a liquid chamber and a gas chamber. The liquid chamber is communicated with the inertial passage. The suspension housing is provided with a through hole communicated with the gas chamber; the inner wall of the through hole is in a cone frustum structure; the diameter of the inner wall of the outside of the through hole is larger than that of the inner wall of the inside of the through hole; the through hole is provided with a stopper in hermetic fit with the through hole; the suspension housing is provided with a drive mechanism which controls the stopper to axially move along the through hole. Compared with the prior art, the air spring type semi-active control hydraulic suspension has the advantages that vibration of wider frequency band can be absorbed, interior vibration and noise in various driving conditions can be effectively reduced, and an automobile is more comfortable.
Description
Technical field
The invention belongs to hydraulic mount technical field, particularly relate to a kind of air spring type half active control hydraulic pressure suspension.
Background technique
At present, people require more and more higher to vehicle riding comfort, make traditional passive type dynamic assembly suspension can not meet well the requirement of isolation engine luggine.Half active control hydraulic pressure suspension can more effectively be decayed the vibration noise of motor to the transmission in car, compared with traditional passive suspending, half active control hydraulic pressure suspension have very significantly advantage as: adopt half ACTIVE CONTROL, realize low, high-frequency vibration isolation optimal damping characteristic, can in wider frequency band, effectively isolate the transmission of engine luggine and noise, especially vibration when engine idle.Air spring type half active control hydraulic pressure suspension of prior art as: publication number is CN 101670776 B, the patent that name is called the Semi-active mount device of provided with electromagnetic valve discloses the semi-actively controlled automobile power assembly hydraulic mount of disclosed one in text, it is made up of hydraulic mount (20) and solenoid valve (12), described hydraulic mount (20) and solenoid valve (12) are connected by ultrasonic welding, solenoid valve (12) terminal is connected with socket by special car with controller terminal, described connecting bolt (1) is connected with plastic skeleton (2), its one end is provided with buffer stopper (17), the other end is connected with engine support by screw thread, the bottom connecting bolt (14) that is placed in hydraulic mount bottom (9) is connected with vehicle body, described hydraulic mount (20) is by the main spring of elasticity (3), flow passage cover plate (5), inertia channel body (7) and leather cup (10) composition, the main spring of described elasticity (3) and flow passage cover plate (5) composition one sealing sap cavity, for upper liquid chamber (18a), flow passage cover plate (5) and leather cup (10) form another sealing sap cavity, for lower liquid chamber (18b), described upper liquid chamber (18a) flows by inertia channel body (7) with the liquid in lower liquid chamber (18b), liquid in described upper liquid chamber (18a) and the one side of decoupling zero film (6) are attached together, decoupling zero film (6) another side forms a sealed cavity or communicates with atmosphere with inertia channel body (7), also having publication number is CN 102401077A, the patent that name is called hydraulic suspension device and controlling method, control gear and automobile discloses disclosed a kind of hydraulic suspension device in text, comprise: shell suspends, one end of the described shell that suspends is provided with rubber bushing, and on described rubber bushing, be provided with link, described in the suspend the other end of shell be provided with connection housing, in the described shell that suspends, be provided with runner plate, between described runner plate and described rubber bushing, form the first liquid chamber, described runner plate and described connection between housing are provided with rubber cup, between described runner plate and described rubber cup, form the second liquid chamber, in described runner plate, be provided with spiral flow channel, one end of described spiral flow channel is communicated with described the first liquid chamber, and the other end of described spiral flow channel is communicated with described the second liquid chamber, described the first liquid chamber is communicated with decoupling zero chamber, the indoor decoupling zero diaphragm that is provided with of described decoupling zero, described decoupling zero diaphragm is separated into described decoupling zero chamber the liquid chamber being communicated with described the first liquid chamber, and the air chamber being communicated with ambient atmosphere, in described air chamber and ambient atmosphere communicating passage, is provided with valve.Two states are all only opened and sealed to the air cavity of these two patents, corresponding high and low frequency vibrates this two states respectively, according to theory be sealed gas chamber support time, decoupling zero film deformability reduces, liquid is large to the active force of rubber spring, shows as the dynamic stiffness suspending large; When the air of decoupling zero film lower surface communicates with atmosphere, it is large that decoupling zero film deformability becomes, and liquid is little to the active force of rubber spring, shows as the dynamic stiffness suspending little; But in actual use, the vibration of vehicle is progressively transitioned into high frequency from low frequency often, this just makes existing air spring type half active control hydraulic pressure suspension poor to the effect of the shock absorption between low frequency and high frequency, while making the driving cycle of vehicle between low frequency and high frequency, car internal vibration and noise are all larger, therefore the vibration frequency band absorbing is narrower, and then causes the travelling comfort of vehicle poor.
Summary of the invention
The present invention is directed to above problem provides a kind of vibration frequency band of absorption wider, car internal vibration and noise can effectively reduce various driving cycle time, and then make good air spring type half active control hydraulic pressure suspension of travelling comfort of vehicle.
The present invention overcomes the above problems technological scheme used: a kind of air spring type half active control hydraulic pressure suspension with following structure is provided, it comprises the shell that suspends, one end of the described shell that suspends is provided with rubber spring, and the other end of the described shell that suspends is provided with end bowl; In the described shell that suspends, be provided with inertia channel and decoupling zero chamber, the indoor decoupling zero diaphragm that is provided with of described decoupling zero, decoupling zero chamber is separated the gentle chamber of liquid chamber by described decoupling zero diaphragm, described liquid chamber is communicated with inertia channel, the described shell that suspends is provided with the through hole being communicated with air chamber, the inwall of described through hole is frustoconic shape structure, and the inner diameter in through hole outside is greater than the inner diameter of through hole inner side, described through hole is provided with the obstruction with through hole fitted seal, and the described shell that suspends is provided with to control and stops up along the axially movable driving mechanism of through hole.
Adopt after above structure, compared with prior art, the present invention is owing to being provided with through hole and corresponding obstruction of frustoconic shape structure, and according to the diverse location being blocked in through hole, making the useful area that through hole is communicated with ambient air is S=Π × (D
2-d
2)/4 wherein D are the diameter of through hole maximum, and d stops up to be positioned at the maximum diameter of through hole part; The useful area that through hole and ambient air are communicated with different, make air chamber more comprehensive to the control of decoupling zero film deformability, no longer to only have minimum and maximum two states, but can be adjusted to the arbitrary state from minimum to maximum, the rigidity like this can more effective control suspending, and then absorb the vibration of full frequency band, makes itself and the ideal stiffness curve that suspends more approaching, thereby make use of the present invention more approach desirable effect, the travelling comfort of vehicle is better.Therefore it is wider that the present invention has the vibration frequency band of absorption, car internal vibration and noise can effectively reduce various driving cycle time, and then make the good feature of travelling comfort of vehicle.
As improvement, described driving mechanism is stepper motor; The control accuracy of stepper motor is higher, can be more fast accurately by occlusion adjustments to desired position, and the energy consumption of stepper motor is also applicable to use in vehicle.
As further improvement, described obstruction is conical structure; The conical obstruction useful area scope variable with respect to the obstruction of frustoconic shape is larger, and then can make the present invention better to the absorption continuity of vibration frequency band, frequency band between low frequency and high frequency all can be absorbed, while further reducing various driving cycle, car internal vibration and noise, make the travelling comfort of vehicle better.
As further improvement, described inertia channel is provided with at least two damping holes; While flowing through inertia channel due to liquid, produce linear loss and restriction loss, because of damping hole two differences of diverse location, now hammer vibration energy is decayed effectively, therefore the present invention can decay effectively, the low frequency of motor significantly vibrates, and further improves the riding comfort of vehicle.
As further improving, the ingress on described inertia channel is provided with the projection of " C " font again, and described protruding opening faces the starting point of inertia channel partition wall; In the time that the liquid in upper liquid chamber enters into the entrance of inertia channel, under the projection of " C " font and the effect of partition wall, liquid is divided into two parts, and the inertia channel length difference of two-part liquid process, make linear loss and the restriction loss of two-part liquid also different, therefore can absorb the vibration frequency of different frequency bands, comprehensive shock attenuation result is better, therefore can car internal vibration and noise lower, the travelling comfort of vehicle is also just better.
As preferably, described damping hole is two, and two damping holes are separately positioned in the starting point and final position of passage of inertia channel outmost turns.
As preferably, described damping hole is three, and three damping holes are arranged on the passage of inertia channel outmost turns, and three damping holes are along circumferentially uniform; The variation of linear loss and restriction loss is more, and the vibration frequency that can absorb different frequency bands is also more, and comprehensive shock attenuation result is also just better.
Brief description of the drawings
Fig. 1 is the structural representation of air spring type half active control hydraulic pressure suspension of the present invention.
Fig. 2 is the structural representation that in Fig. 1, A amplifies.
Fig. 3 is air spring type half active control hydraulic pressure suspension inertia channel embodiment's one of the present invention structural representation.
Fig. 4 is air spring type half active control hydraulic pressure suspension inertia channel embodiment's two of the present invention structural representation.
Fig. 5 is air spring type half active control hydraulic pressure suspension inertia channel embodiment's three of the present invention structural representation.
Fig. 6 is air spring type half active control hydraulic pressure suspension inertia channel embodiment's four of the present invention structural representation.
As shown in the figure: 1, the shell that suspends, 2, rubber spring, 3, end bowl, 4, inertia channel, 5, decoupling zero chamber, 5.1, liquid chamber, 5.2, air chamber, 6, decoupling zero diaphragm, 7, through hole, 8, stop up, 9, stepper motor, 10, damping hole, 11, projection.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, a kind of air spring type half active control hydraulic pressure suspension is provided, it comprises that the shell 1 that suspends (also comprises other component certainly, but owing to not relating to the inventive point of the invention, therefore be not repeated at this), one end of the described shell 1 that suspends is provided with rubber spring 2, and the other end of the described shell 1 that suspends is provided with end bowl 3, in the described shell 1 that suspends, be provided with inertia channel 4 and decoupling zero chamber 5, in described decoupling zero chamber 5, be provided with decoupling zero diaphragm 6, decoupling zero chamber 5 is separated liquid chamber 5.1 and air chamber 5.2 by described decoupling zero diaphragm 6, described liquid chamber 5.1 is communicated with inertia channel 4, the described shell 1 that suspends is provided with the through hole 7 being communicated with air chamber 5.2, the inwall of described through hole 7 is frustoconic shape structure, and the inner diameter in through hole 7 outsides is greater than the inner diameter of through hole 7 inner sides, described through hole 7 places are provided with the obstruction 8 with through hole 7 fitted seal, the described shell 1 that suspends is provided with to control and stops up 8 along the axially movable driving mechanism of through hole 7, general through hole 7 is in fact all arranged on decoupling zero disk body, and the through hole suspending on shell 1 is mainly for stepper motor 10 being installed and being obstruction 8 movable slot millings.
The upper end of rubber spring 2 is provided with connecting assembly, and connecting assembly comprises link and contiguous block, and link lower end is a flat rectangle, is used for and contiguous block clamping; In the middle of link, being provided with rectangular protrusions is used for being connected with limiting stopper; Rubber spring 2 is the bowl-type of an approximate back-off, and bottom big opening end is circular, and top is oval, due to the needs of rigidity Design, be provided with groove at back, rubber spring 2 upper end oval-shaped grooves are used for being connected with contiguous block, and the main spring 2 of ordinary rubber is to be sulfided into an entirety with contiguous block; Rubber spring 2 bottoms are connected with decoupling zero disc assembly, at the interior formation upper liquid chamber of the shell 1 that suspends; Decoupling zero disc assembly comprises decoupling zero disk cover, decoupling zero diaphragm 6, decoupling zero disk body, inertia channel, stepper motor 9; Decoupling zero disk cover is circular, and center is provided with circular hole, is used for circulating liquid, the hole of uniform 16 squarish on the ring of decoupling zero disk cover; Decoupling zero diaphragm 6 is loop configuration, and cross section is the structure of S shape; The inside and outside wall of decoupling zero diaphragm 6 is all provided with groove, is used for respectively installing interior ring and outer shroud, and interior ring and outer shroud play the effect of fixed support; Decoupling zero disk body is arranged on the lower end of decoupling zero diaphragm 6, and in the middle of decoupling zero diaphragm, forms air chamber 5.2, and through hole is established at decoupling zero disk body center, is used for circulating liquid; Outward edge and the middle part of decoupling zero disk body are equipped with groove, are used for installing fixing interior ring and outer shroud, and decoupling zero disk body exterior edge face is also provided with through hole 7; The lower end of decoupling zero disk body is inertia channel 4, inertia channel 4 is spiral passage, can increase along journey energy loss, there are two damping holes 10 inertia channel 4 lower ends, liquid can be simultaneously flow to from these two damping holes 10 that counterdie and inertia channel 4 form in liquid chamber; Counterdie is spill, is quality of rubber materials, very soft, forms lower liquid chamber with inertia channel 4; End bowl 3 is arranged on the lower end of counterdie, in order to protect very soft counterdie.
Described driving mechanism is stepper motor 9.
Described obstruction 8 is conical structure.
Embodiment two
As shown in Figure 4, described inertia channel 4 is provided with at least two damping holes 10 (this example is two).
Described damping hole 10 is two, and two damping holes 10 are separately positioned in the starting point and final position of passage of inertia channel 4 outmost turns.
Embodiment three
As shown in Figure 5, described damping hole 10 is three, and three damping holes 10 are arranged on the passage of inertia channel 4 outmost turns, and three damping holes 10 are along circumferentially uniform.
Embodiment four
As shown in Figure 6, the ingress on described inertia channel 4 is provided with the projection 11 of " C " font, and the opening of described projection 11 faces the starting point of inertia channel partition wall.
Above embodiment is only preferred embodiment of the present invention, and the present invention is not limited only to above embodiment and has also allowed other structural change, allly in rights to independence claimed range of the present invention, changes, and all belongs to protection domain of the present invention.
Claims (7)
1. air spring type half active control hydraulic pressure suspension, it comprises the shell that suspends (1), one end of the described shell that suspends (1) is provided with rubber spring (2), and the other end of the described shell that suspends (1) is provided with end bowl (3), in the described shell that suspends (1), be provided with inertia channel (4) and decoupling zero chamber (5), in described decoupling zero chamber (5), be provided with decoupling zero diaphragm (6), decoupling zero chamber (5) are separated liquid chamber (5.1) and air chamber (5.2) by described decoupling zero diaphragm (6), described liquid chamber (5.1) is communicated with inertia channel (4), the described shell that suspends (1) is provided with the through hole (7) being communicated with air chamber (5.2), it is characterized in that: the inwall of described through hole (7) is frustoconic shape structure, and the inner diameter in through hole (7) outside is greater than the inner diameter of through hole (7) inner side, described through hole (7) locates to be provided with the obstruction (8) with through hole (7) fitted seal, the described shell that suspends (1) is provided with to control and stops up (8) along the axially movable driving mechanism of through hole (7).
2. air spring type half active control hydraulic pressure suspension according to claim 1, is characterized in that: described driving mechanism is stepper motor (9).
3. air spring type half active control hydraulic pressure suspension according to claim 1, is characterized in that: described obstruction (8) is conical structure.
4. air spring type half active control hydraulic pressure suspension according to claim 1, is characterized in that: described inertia channel (4) is provided with at least two damping holes (10).
5. air spring type half active control hydraulic pressure suspension according to claim 4, it is characterized in that: described damping hole (10) is two, and two damping holes (10) are separately positioned in the starting point and final position of passage of inertia channel (4) outmost turns.
6. air spring type half active control hydraulic pressure suspension according to claim 4, it is characterized in that: described damping hole (10) is three, and three damping holes (10) are arranged on the passage of inertia channel (4) outmost turns, three damping holes (10) are along circumferentially uniform.
7. air spring type half active control hydraulic pressure suspension according to claim 1, it is characterized in that: the ingress on described inertia channel (4) is provided with the projection (11) of " C " font, the opening of described projection (11) faces the starting point of inertia channel partition wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365792.2A CN104154171B (en) | 2014-07-22 | 2014-07-22 | Air spring type semi-active control hydraulic suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365792.2A CN104154171B (en) | 2014-07-22 | 2014-07-22 | Air spring type semi-active control hydraulic suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154171A true CN104154171A (en) | 2014-11-19 |
| CN104154171B CN104154171B (en) | 2017-02-01 |
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ID=51879752
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410365792.2A Active CN104154171B (en) | 2014-07-22 | 2014-07-22 | Air spring type semi-active control hydraulic suspension |
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| CN (1) | CN104154171B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532676A (en) * | 2015-04-27 | 2018-01-02 | 株式会社普利司通 | Isolation mounting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1128249A (en) * | 1965-12-03 | 1968-09-25 | Bilstein August | Improvements in or relating to shock absorbers |
| US4739962A (en) * | 1984-02-21 | 1988-04-26 | Honda Giken Kogyo Kabushiki Kaisha | Vibration isolator |
| US5167403A (en) * | 1991-02-14 | 1992-12-01 | Tokai Rubber Industries, Ltd. | Fluid-filled elastic mount having two orifice passages one of which is selectively opened and closed by means of vacuum pressure |
| CN1626845A (en) * | 2003-12-12 | 2005-06-15 | 东海橡胶工业株式会社 | Fluid-filled vibration damping device |
| CN201050569Y (en) * | 2007-05-23 | 2008-04-23 | 李建春 | Adjustable damping oleo-pneumatic shock absorber |
| CN203962840U (en) * | 2014-07-22 | 2014-11-26 | 建新赵氏集团有限公司 | Air spring type half active control hydraulic pressure suspension |
-
2014
- 2014-07-22 CN CN201410365792.2A patent/CN104154171B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1128249A (en) * | 1965-12-03 | 1968-09-25 | Bilstein August | Improvements in or relating to shock absorbers |
| US4739962A (en) * | 1984-02-21 | 1988-04-26 | Honda Giken Kogyo Kabushiki Kaisha | Vibration isolator |
| US5167403A (en) * | 1991-02-14 | 1992-12-01 | Tokai Rubber Industries, Ltd. | Fluid-filled elastic mount having two orifice passages one of which is selectively opened and closed by means of vacuum pressure |
| CN1626845A (en) * | 2003-12-12 | 2005-06-15 | 东海橡胶工业株式会社 | Fluid-filled vibration damping device |
| CN201050569Y (en) * | 2007-05-23 | 2008-04-23 | 李建春 | Adjustable damping oleo-pneumatic shock absorber |
| CN203962840U (en) * | 2014-07-22 | 2014-11-26 | 建新赵氏集团有限公司 | Air spring type half active control hydraulic pressure suspension |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532676A (en) * | 2015-04-27 | 2018-01-02 | 株式会社普利司通 | Isolation mounting |
| US10458511B2 (en) | 2015-04-27 | 2019-10-29 | Bridgestone Corporation | Anti-vibration device |
| CN107532676B (en) * | 2015-04-27 | 2019-11-22 | 株式会社普利司通 | Isolation mounting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104154171B (en) | 2017-02-01 |
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Effective date of registration: 20210301 Address after: 315600 No. 281 North Keyuan Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Patentee after: JX ZHAO'S Group Corp. Address before: 315609 Jianxin Zhaoshi Group Co., Ltd., 12 Meilin South Road, Meilin street, Ninghai County, Ningbo City, Zhejiang Province Patentee before: JIANXIN ZHAO'S Group Corp. |
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Address after: 315600 No. 281 North Keyuan Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Patentee after: Jianxin Zhaoshi Technology Co.,Ltd. Address before: 315600 No. 281 North Keyuan Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Patentee before: JX ZHAO'S Group Corp. |
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