CN204284293U - A kind of adjustable damper valve and hydro pneumatic suspension - Google Patents
A kind of adjustable damper valve and hydro pneumatic suspension Download PDFInfo
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- CN204284293U CN204284293U CN201420660625.6U CN201420660625U CN204284293U CN 204284293 U CN204284293 U CN 204284293U CN 201420660625 U CN201420660625 U CN 201420660625U CN 204284293 U CN204284293 U CN 204284293U
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Abstract
The utility model discloses a kind of adjustable damper valve and hydro pneumatic suspension, solving can not according to the actual technical problem using different damping gears in position in prior art, this adjustable damper valve comprises valve block, at valve block to being outside equipped with first interface, the second interface, the 3rd interface, the first damping member is provided with in valve block, second damping member, the first solenoid valve, the second solenoid valve and the 3rd solenoid valve; Wherein, first interface is connected with the 3rd interface with the second interface with after the first damping member by the first solenoid valve successively, first interface is connected with the 3rd interface with the second interface with after the second damping member by the second solenoid valve successively, and first interface is connected with the 3rd interface by the 3rd solenoid valve.
Description
Technical field
The utility model relates to means of transportation field, particularly relates to a kind of adjustable damper valve and hydro pneumatic suspension.
Background technique
The semi-active suspension of means of transportation is mainly realized by adjustment damping, and adjustment damping can require adjust the damping of hydro-pneumatic spring, to improve run smoothness and the riding stability of vehicle according to the running condition of vehicle and road conditions.But, although the fixing damping adjustment that current hydro-pneumatic spring uses has, reliability is high, the adjustable feature of orifice valve, but damping adjustment operating difficulties, damp adjustable range are little, system lifting is bothered and directly cannot be carried out the defect of firm elasticity conversion by damping, are therefore necessary to be optimized improvement to it.
The current existing adjustable damping device of adjustable damping device that prior art proposes generally is divided three classes: one is MR fluid shock absorber, and two is external mechanical induction type adjustable damping valves, and three is exactly that valve is combined to form adjustable damping device.But adjustable damping device all can not use different damping gears according to position is actual at present.
Model utility content
The utility model embodiment provides a kind of adjustable damper valve and hydro pneumatic suspension, and eliminating adjustable damping device in prior art all can not according to the actual technical problem using different damping shelves in position.
First aspect, this use is novel provides a kind of adjustable damper valve, comprises valve block, at described valve block to being outside equipped with first interface, second interface, the 3rd interface, is provided with the first damping member in described valve block, second damping member, the first solenoid valve, the second solenoid valve and the 3rd solenoid valve;
Wherein, described first interface is connected with described 3rd interface with described second interface with after described first damping member by described first solenoid valve successively, described first interface is connected with described 3rd interface with described second interface with after described second damping member by described second solenoid valve successively, and described first interface is connected with described 3rd interface by described 3rd solenoid valve.
Preferably, described first damping member comprises the first cartridge valve and the first one-way valve, wherein, one main hydraulic fluid port of described first cartridge valve is connected to one end of described first one-way valve, another main hydraulic fluid port of described first cartridge valve is connected with described second interface, the control mouth of described first cartridge valve is connected with described first solenoid valve, and the other end of described first one-way valve is connected to described 3rd interface.
Preferably, described second damping member comprises the second cartridge valve and the second one-way valve, wherein, one main hydraulic fluid port of described second cartridge valve is connected to one end of described second one-way valve, another main hydraulic fluid port of described second cartridge valve is connected with described second interface, the control mouth of described second cartridge valve is connected with described second solenoid valve, and the other end of described second one-way valve is connected to described 3rd interface.
Preferably, between described first cartridge valve and described 3rd interface, be provided with first segment discharge orifice, between described second cartridge valve and described 3rd interface, be provided with second section discharge orifice.
Second aspect, the utility model provides a kind of hydro pneumatic suspension, comprises the arbitrary described adjustable damper valve of first aspect, also comprises: the selector valve be connected with described first interface, the accumulator be connected with described second interface, and the hydro-pneumatic spring cylinder be connected with described 3rd interface.
The one or more technological schemes provided in the utility model embodiment, at least have following technique effect or advantage:
Due to the adjustable damper valve in the utility model embodiment, comprise valve block, at valve block to being outside equipped with first interface, second interface, the 3rd interface, is provided with the first damping member in valve block, second damping member, the first solenoid valve, the second solenoid valve and the 3rd solenoid valve; Wherein, first interface is connected with the 3rd interface with the second interface with after the first damping member by the first solenoid valve successively, first interface is connected with the 3rd interface with the second interface with after the second damping member by the second solenoid valve successively, and first interface is connected with the 3rd interface by the 3rd solenoid valve.Thus two damping units can be controlled by three solenoid valves and cut-off, make the first damping unit and the second damping unit coordinate the different damping of composition, thus achieve and be combined into different damping gears according to the actual use in position, control hydro pneumatic suspension realizes soft, in, hard Three models.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural drawing of the adjustable damper valve in the utility model embodiment;
Fig. 2 is the structural representation of the hydro pneumatic suspension in the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of adjustable damper valve and hydro pneumatic suspension, and eliminating adjustable damping device in prior art all can not according to the actual technical problem using different damping shelves in position.
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Shown in figure 1, this uses novel adjustable damper valve, comprises valve block 1, at valve block 1 to being outside equipped with first interface 2, second interface the 3, three interface 4, is provided with the first damping member 5 in valve block 1, second damping member 6, first solenoid valve 7, second solenoid valve 8 and the 3rd solenoid valve 9; Wherein, first interface 2 is connected with the 3rd interface 4 with the second interface 3 with after the first damping member 5 by the first solenoid valve 7 successively, first interface 2 is connected with the 3rd interface 4 with the second interface 3 with after the second damping member 6 by the second solenoid valve 8 successively, and first interface 2 is connected with the 3rd interface 4 by the 3rd solenoid valve 9.
Concrete, the first damping member 5 and the second damping member 6 can be identical damping member, and can be also different damping members, being connected in the utility model realizes oil circuit by oil pipe and be connected, and what do not have specified otherwise in other places all refers to that oil circuit is connected.
Specifically, the first damping member 5 can be a cartridge valve composition, or the main hydraulic fluid port of one-way valve and cartridge valve is connected to form, and preferably can also arrange a throttle orifice.Shown in better reference drawing 1, comprise the first cartridge valve 10 and the first one-way valve 11, wherein, one main hydraulic fluid port of the first cartridge valve 10 is connected to one end of the first one-way valve 11, another main hydraulic fluid port of first cartridge valve 10 is connected with the second interface 3, the control mouth of the first cartridge valve 10 is connected with the first solenoid valve 7, and the other end of the first one-way valve 11 is connected to the 3rd interface 4.
Same, the second damping member 6 can be a cartridge valve composition, or the main hydraulic fluid port of one-way valve and cartridge valve is connected to form, and preferably can also arrange a throttle orifice.Shown in better reference drawing 1, comprise the second cartridge valve 12 and the second one-way valve 13, wherein, one main hydraulic fluid port of the second cartridge valve 12 is connected to one end of the second one-way valve 13, another main hydraulic fluid port of second cartridge valve 12 is connected with the second interface 3, the control mouth of the second cartridge valve 12 is connected with the second solenoid valve 8, and the other end of the second one-way valve 13 is connected to the 3rd interface 4.
Visible, adopt the first cartridge valve 10 and the second cartridge valve 12, large compared with general solenoid valve by flow, because this increasing by flow, by the cooperation of the first cartridge valve 10 and the second cartridge valve 12, different damping gears can be formed, add damp adjustable range.
Further, continue with reference to figure 1, first segment discharge orifice 14 is provided with between first cartridge valve 10 and the 3rd interface 4, second section discharge orifice 15 is provided with between second cartridge valve 12 and the 3rd interface 4, the combination of throttle orifice and one-way valve, ensure the stretching damping of suspension and the ratio of compression damping, compression damping can be made to be 1/4 ~ 2/3 of stretching damping.
Conceive based on same model utility, the utility model provides a kind of hydro pneumatic suspension, be applied on vehicle, comprise the adjustable damper valve of aforementioned (shown in figure 1), shown in figure 2, hydro pneumatic suspension also comprises: the selector valve 16 be connected with the first interface 2 of adjustable damper valve, the accumulator 17 be connected with the second interface 3, and the hydro-pneumatic spring cylinder 18 be connected with the 3rd interface 4.
Above-mentioned adjustable damper valve can control hydro pneumatic suspension and be in soft, in, any one in hard Three models, is described control mode below, how works with the adjustable damper valve understood in the utility model.
Vehicle when road surface normally travels, hydro pneumatic suspension must soft, in, select one in hard Three models.First, 3rd solenoid valve 9 is positioned at closed position, by the first solenoid valve 7, second solenoid valve 8 is energized together, make the first solenoid valve 7, second solenoid valve 8 is positioned at right position, the first interface 2 of adjustable damper valve is taken back fuel tank (not shown) by selector valve 16, the control chamber of the first cartridge valve 10 and the second cartridge valve 12 is in low pressure, the working oil path of the first cartridge valve 10 and the second cartridge valve 12 is opened, again by the first solenoid valve 7, second solenoid valve 8 power-off together, make the first solenoid valve 7, second solenoid valve 8 is positioned at left position, low pressure oil in the control chamber of the second cartridge valve 12 of the first cartridge valve 10 is closed, make the working oil path of the first cartridge valve 10 and the second cartridge valve 12 be in open mode always.
Soft mode formula: in the spring-compressed process of hydro-pneumatic spring cylinder 18,3rd solenoid valve 9 is positioned at closed position, first solenoid valve 7 makes the first cartridge valve 10 open and locking, second solenoid valve 8 makes the second cartridge valve 12 open and locking, the fluid that hydro-pneumatic spring cylinder is 18 li enters the 3rd interface 4 of adjustable damper valve, by first segment discharge orifice 14, first one-way valve 11, first cartridge valve 10, second section discharge orifice 15, second one-way valve 13 and the second cartridge valve 12 pool together at the second interface 3 hydraulic pressure cavity flowing to accumulator 17; In the hydro-pneumatic spring drawing process of hydro-pneumatic spring cylinder 18,3rd solenoid valve 9 is positioned at closed position, first solenoid valve 7 makes the first cartridge valve 10 open and locking, second solenoid valve 8 makes the second cartridge valve 12 open and locking, the fluid of the hydraulic pressure cavity of accumulator 17 enters the second interface 3 of adjustable damper valve, by first segment discharge orifice 14, first cartridge valve 10, second section discharge orifice 15 and the second cartridge valve 12 collect at the 3rd interface 4 and flow in hydro-pneumatic spring cylinder 18.
Middle pattern: in the hydro-pneumatic spring compression process of hydro-pneumatic spring cylinder 18,3rd solenoid valve 9 is positioned at closed position, first solenoid valve 7 makes the first cartridge valve 10 open and locking, second solenoid valve 8 makes the second cartridge valve 12 cut out and locking, the fluid that hydro-pneumatic spring cylinder is 18 li enters the 3rd interface 4 of adjustable damper valve, after first segment discharge orifice 14, first one-way valve 11 and the first cartridge valve 10, flow to the hydraulic pressure cavity of accumulator 17 from the second interface 3; In the hydro-pneumatic spring drawing process of hydro-pneumatic spring cylinder 18,3rd solenoid valve 9 is positioned at closed position, first solenoid valve 7 makes the first cartridge valve 10 open and locking, second solenoid valve 8 makes the second cartridge valve 12 cut out and locking, the fluid of the hydraulic pressure cavity of accumulator 17 enters the second interface 3 of adjustable damper valve, after first segment discharge orifice 14 and the first cartridge valve 10, flow to hydro-pneumatic spring cylinder 18 from the 3rd interface 4.
Die formula: in the hydro-pneumatic spring compression process of hydro-pneumatic spring cylinder 18,3rd solenoid valve 9 is positioned at closed position, first solenoid valve 7 makes the first cartridge valve 10 cut out and locking, second solenoid valve 8 makes the second cartridge valve 12 open and locking, the fluid that hydro-pneumatic spring cylinder is 18 li enters the 3rd interface 4 of adjustable damper valve, after second section discharge orifice 15, second one-way valve 13 and the second cartridge valve 12, flow to the hydraulic pressure cavity of accumulator 17 from the second interface 3; In the hydro-pneumatic spring drawing process of hydro-pneumatic spring cylinder 18,3rd solenoid valve 9 is positioned at closed position, first solenoid valve 7 makes the first cartridge valve 10 cut out and locking, second solenoid valve 8 makes the second cartridge valve 12 open and locking, the fluid of the hydraulic pressure cavity of accumulator 17 enters the second interface 3 of adjustable damper valve, after second section discharge orifice 15, second cartridge valve 12, flow to hydro-pneumatic spring cylinder 18 from the 3rd interface 4.
When needing vehicle to become rigid suspension, by the first solenoid valve 7, second solenoid valve 8 is energized together, make the first solenoid valve 7, second solenoid valve 8 is positioned at right position, the high pressure oil of pumping source (not shown) flow into the control chamber of the first cartridge valve 10 and the second cartridge valve 12 through selector valve 16, the working oil path of the first cartridge valve 10 and the second cartridge valve 12 is closed, again by the power-off together with the second solenoid valve 8 of the first solenoid valve 7, the first solenoid valve 7 and the second solenoid valve 8 is made to be positioned at left position, high pressure oil in the control chamber of the first cartridge valve 10 and the second cartridge valve 12 is closed, make the working oil path of the first cartridge valve 10 and the second cartridge valve 12 be in closed condition always, now, the fluid that accumulator is 17 li can not be communicated with the fluid of 18 li, hydro-pneumatic spring cylinder, hydro-pneumatic spring cylinder 18 one-tenth rigidity, the suspension system of vehicle also becomes rigidity.
When needing vehicle height adjusting, under suspension is rigid state, 3rd solenoid valve 9 is energized, 3rd solenoid valve 9 is opened, when needing vehicle body height to raise, selector valve 16 is communicated with pumping source, high pressure oil in pumping source is through the first interface 2 of adjustable damper valve, flow into hydro-pneumatic spring cylinder 18 through the 3rd solenoid valve 9, the piston rod of hydro-pneumatic spring cylinder 18 is stretched out longer, vehicle body height raises; When needing vehicle body height to reduce, selector valve 16 is communicated with fuel tank, the pressure oil that hydro-pneumatic spring cylinder is 18 li is through the 3rd interface 4 of adjustable damper valve, fuel tank is flowed into from first interface 2 through selector valve 16 through the 3rd solenoid valve 9, the piston rod extrusion of hydro-pneumatic spring cylinder 18 is shortened, and vehicle body height reduces.
Can be found out by foregoing description, by the adjustable damper valve in the utility model, by selecting different damping gears to make hydro pneumatic suspension achieve half active functions, realize suspension damping soft, in, hard Three models; Also can end accumulator very easily, realize the rigid state of car body; Also directly oil charging-discharging is carried out to oil cylinder by solenoid valve, can regulate vehicle body height.By the enforcement of the utility model patent, above three functions can be realized very easily, the advantage of hydro pneumatic suspension can better be played.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. an adjustable damper valve, is characterized in that, comprises valve block, at described valve block to being outside equipped with first interface, second interface, the 3rd interface, is provided with the first damping member in described valve block, second damping member, the first solenoid valve, the second solenoid valve and the 3rd solenoid valve;
Wherein, described first interface is connected with described 3rd interface with described second interface with after described first damping member by described first solenoid valve successively, described first interface is connected with described 3rd interface with described second interface with after described second damping member by described second solenoid valve successively, and described first interface is connected with described 3rd interface by described 3rd solenoid valve.
2. adjustable damper valve as claimed in claim 1, it is characterized in that, described first damping member comprises the first cartridge valve and the first one-way valve, wherein, one main hydraulic fluid port of described first cartridge valve is connected to one end of described first one-way valve, another main hydraulic fluid port of described first cartridge valve is connected with described second interface, and the control mouth of described first cartridge valve is connected with described first solenoid valve, and the other end of described first one-way valve is connected to described 3rd interface.
3. adjustable damper valve as claimed in claim 1 or 2, it is characterized in that, described second damping member comprises the second cartridge valve and the second one-way valve, wherein, one main hydraulic fluid port of described second cartridge valve is connected to one end of described second one-way valve, another main hydraulic fluid port of described second cartridge valve is connected with described second interface, and the control mouth of described second cartridge valve is connected with described second solenoid valve, and the other end of described second one-way valve is connected to described 3rd interface.
4. adjustable damper valve as claimed in claim 3, is characterized in that, be provided with first segment discharge orifice between described first cartridge valve and described 3rd interface, be provided with second section discharge orifice between described second cartridge valve and described 3rd interface.
5. a hydro pneumatic suspension, it is characterized in that, comprise the adjustable damper valve as described in claim arbitrary in claim 1-4, also comprise: the selector valve be connected with described first interface, the accumulator be connected with described second interface, and the hydro-pneumatic spring cylinder be connected with described 3rd interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660625.6U CN204284293U (en) | 2014-11-06 | 2014-11-06 | A kind of adjustable damper valve and hydro pneumatic suspension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660625.6U CN204284293U (en) | 2014-11-06 | 2014-11-06 | A kind of adjustable damper valve and hydro pneumatic suspension |
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| CN204284293U true CN204284293U (en) | 2015-04-22 |
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| CN201420660625.6U Active CN204284293U (en) | 2014-11-06 | 2014-11-06 | A kind of adjustable damper valve and hydro pneumatic suspension |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089834A (en) * | 2016-08-08 | 2016-11-09 | 湖北航天技术研究院特种车辆技术中心 | A kind of integrated control valve group |
| CN109606054A (en) * | 2018-11-29 | 2019-04-12 | 湖北航天技术研究院特种车辆技术中心 | A kind of damping adjustment device |
| CN112895831A (en) * | 2021-01-29 | 2021-06-04 | 中国北方车辆研究所 | Multi-axle vehicle posture adjusting system |
| CN113027975A (en) * | 2021-01-29 | 2021-06-25 | 中国北方车辆研究所 | Damping adjustable vibration reduction valve group |
| CN113883212A (en) * | 2021-09-16 | 2022-01-04 | 中国煤炭科工集团太原研究院有限公司 | Damping valve and variable pump with same |
-
2014
- 2014-11-06 CN CN201420660625.6U patent/CN204284293U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089834A (en) * | 2016-08-08 | 2016-11-09 | 湖北航天技术研究院特种车辆技术中心 | A kind of integrated control valve group |
| CN106089834B (en) * | 2016-08-08 | 2018-01-02 | 湖北航天技术研究院特种车辆技术中心 | A kind of integrated control valve group |
| CN109606054A (en) * | 2018-11-29 | 2019-04-12 | 湖北航天技术研究院特种车辆技术中心 | A kind of damping adjustment device |
| CN112895831A (en) * | 2021-01-29 | 2021-06-04 | 中国北方车辆研究所 | Multi-axle vehicle posture adjusting system |
| CN113027975A (en) * | 2021-01-29 | 2021-06-25 | 中国北方车辆研究所 | Damping adjustable vibration reduction valve group |
| CN113883212A (en) * | 2021-09-16 | 2022-01-04 | 中国煤炭科工集团太原研究院有限公司 | Damping valve and variable pump with same |
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