CN202733123U - Magnetorheological flow control valve - Google Patents
Magnetorheological flow control valve Download PDFInfo
- Publication number
- CN202733123U CN202733123U CN 201220333065 CN201220333065U CN202733123U CN 202733123 U CN202733123 U CN 202733123U CN 201220333065 CN201220333065 CN 201220333065 CN 201220333065 U CN201220333065 U CN 201220333065U CN 202733123 U CN202733123 U CN 202733123U
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- valve body
- flow control
- thrust
- spool
- control valve
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Abstract
The utility model relates to a flow control valve, in particular to a magnetorheological flow control valve realizing flow control by controlling the opening of the valve. The flow control valve comprises a clamp spring, an upper end cover, an upper valve body, a lower valve body, a coil, a lower thrust spring, a valve core, a thrust shaft, an inner valve body, a working chamber, a magnet isolating sleeve, spring seat, an upper thrust spring, a sealing bolt and a plurality of rubber sealing rings. The flow control valve adopts the technical mode of controlling the intensity of a magnetic field acting on a magnetorheological fluid in the working chamber formed between the magnet isolating sleeve and the upper valve body, and affecting the yield strength of the magnetorheological fluid, so as to control the acting force on the thrust shaft by the magnetorheological fluid, control the moving position of the valve core, obtain different flow areas, and realize the oil flow control.
Description
Technical field
The present invention relates to a kind of flow control valve, particularly a kind of magnetorheological flow control valve of realizing flow control by the control valve aperture.
Background technique
The common flow control valve is often controlled the flow of fluid by the mode of control channel circulation area.Traditional flow control valve designs a plurality of different circulation areas by the mode of Machine Design, controls different flows by the mode of switching, and its shortcoming is: machining accuracy requires high, and homogeneity of product is poor; Switching needs the Design assistant structure, causes complex structure; In case design completely, then can not change the control of flow, and be difficult to realize stepless control.Development along with technology, the requirement flow control valve will be towards the future development of miniaturization, intellectuality and economization, this just requires flow control valve that the control structure of circulation area is wanted simple, can access ECU (Electrical Control Unit) and realize automatically control, can realize steplessization to flow control.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, easily manufactured, realize automatically control and to the magnetorheological flow control valve of steplessization of flow control by the access ECU (Electrical Control Unit).
Realize that the technological scheme that purpose of the present invention is taked is: this flow control valve comprises jump ring, upper end cap, upper valve body, lower valve body, coil, lower thrust spring, spool, thrust axis, inner valve body, active chamber, magnetic shield cylinder, spring seat, upper thrust spring, sealing bolt and a plurality of rubber seal; Described upper end cap is arranged within the upper valve body, and the upper end cap upper end is provided with jump ring, and the lower end is provided with the upper thrust spring under the compressive state, and the relative position between upper end cap and the upper valve body is fixed.The lower end of upper thrust spring is arranged on the spring seat, and spring seat is threaded connection and is fixed in thrust axis topmost; Be connected by screw thread between upper valve body and the lower valve body, be provided with coil and magnetic shield cylinder between upper valve body and the lower valve body; Inner valve body is arranged within the lower valve body, and the magnetic shield cylinder that the upper end arranges guarantees that the relative position between upper valve body, lower valve body and the inner valve body immobilizes; Be provided with spool in the lower valve body lower end through hole, the convex portion downside of spool contacts with lower valve body, and the convex portion upside of spool is provided with the lower thrust spring under the compressive state, and the other end of lower thrust spring contacts with inner valve body.
The magnetorheological flow control valve of making according to such scheme has following advantage:
1. the magnetic intensity of magnetic flow liquid in the active chamber that between magnetic shield cylinder and upper valve body, forms by control action of the present invention, thereby affect magnetic flow liquid yield strength control magnetic flow liquid to the technical approach of the active force of thrust axis, the position of the movement of control spool, obtain different circulation areas, realize the flow control to fluid.
2. the magnetic flow liquid yield strength of the present invention's employing changes response soon, and scope is wide, can make the present invention obtain response soon and the great advantage of pressure-bearing scope.
3. the present invention is simple in structure, and is easily manufactured, can access ECU (Electrical Control Unit) and realize intelligent control, and can realize the steplessization control to flow.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is integrated in another embodiment structural representation of the present invention in the thrust axis lower end with spool.
Embodiment
Shown in accompanying drawing 1: this magnetorheological flow control valve comprises: jump ring 1, upper end cap 2, upper valve body 3, lower valve body 4, coil 5, lower thrust spring 8, spool 9, thrust axis 11, inner valve body 12, active chamber 13, magnetic shield cylinder 15, spring seat 16, upper thrust spring 17, sealing bolt 18 and a plurality of rubber seal (6,7,10,14).Described upper end cap 2 is arranged within the upper valve body 3, and upper end cap 2 upper ends are provided with jump ring 1, and the lower end is provided with under the compressive state must go up thrust spring 17, and the relative position between upper end cap 2 and the upper valve body 3 is fixed.The lower end of upper thrust spring 17 is arranged on the spring seat 16, and spring seat 16 is threaded connection and is fixed in thrust axis 11 topmost, is provided with rubber seal 14 between thrust axis 11 and the upper valve body 3.Be connected by screw thread between upper valve body 3 and the lower valve body 4, be provided with coil 5 and magnetic shield cylinder 15 between upper valve body 3 and the lower valve body 4.Inner valve body 12 is arranged within the lower valve body 4, and the magnetic shield cylinder 15 that the upper end arranges guarantees that the relative position between upper valve body 3, lower valve body 4 and the inner valve body 12 immobilizes.Be provided with rubber seal 7 between inner valve body 12 and the thrust axis 11, be provided with rubber seal 6 between inner valve body 12 and the lower valve body 4.Be provided with spool 9 in the lower valve body 4 lower end through holes, spool 9 tops and thrust axis 11 are at a distance of small distance, the convex portion downside of spool 9 contacts with lower valve body, and the convex portion upside of spool 9 is provided with the lower thrust spring 8 under the compressive state, and the other end of lower thrust spring 8 contacts with inner valve body 12.Form active chamber 13 between inner valve body 12, magnetic shield cylinder 15 and the upper valve body 3, fill with magnetic flow liquid in the active chamber, thrust axis 11 is provided with liquid filling hole 11-1, by the sealing bolt 18 sealing liquid filling hole 11-1 that are arranged at thrust axis 11 tops.Described lower valve body 4 is provided with oil duct 4-1, and the outside connecting end of lower valve body 4 is provided with rubber seal 10.Described spool 9 is provided with oil duct 9-1 and oilhole 9-2, and spool 9 is by the through-hole guides of lower valve body 4 lower ends.
As shown in Figure 1, fill with magnetic rheological liquid in the magnetorheological flow control valve active chamber 13 of making according to such scheme.The magnetic flow liquid that injects is without becoming the Newtonian fluid state under the magnetic fields, increase sharply and under magnetic fields, can within the short time (Millisecond), show yield strength, and present the mechanical property of similar solid, and the variation of this yield strength is reversible, be that magnetic field is in case after removing, becoming again again can flowing liquid.Magnetic rheology effect is reversible, rapidly and the characteristics that are easy to control so that magnetorheological flow control valve can become simple in structure in electrical control and the mechanical system and response is installed fast.
The present invention can be applicable to vibration damper, but the present invention's application is not limited to this.This use of sentencing in vibration damper is an application example, and its working principle is described.As shown in Figure 1: the coil 5 in the magnetorheological flow control valve is connected with ECU (Electrical Control Unit), and the high pressure oil in the vibration damper flows into from the oil duct 9-1 of spool 9, and oil duct 4-1 links to each other with the vibration damper low-pressure cavity on the lower valve body 4.The electric current that passes through in the ECU (Electrical Control Unit) control coil 5 comes the magnetic intensity of control action magnetic flow liquid in active chamber 13.Magnetic flow liquid self yield strength under the effect of different magnetic field intensity changes thereupon in the active chamber 13.The active force that magnetic flow liquid acts on thrust axis 11 in the active chamber 13 is also different, and under unsaturated prerequisite, magnetic intensity is larger, and active force is larger, can effectively enlarge the range of working pressure of valve.Carry out in the following manner during the magnetorheological flow control valve work of making according to such scheme: mode one is switching mode, the electric current that passes through in the ECU (Electrical Control Unit) control coil 5 is zero, magnetic flow liquid is the Newtonian fluid state in the active chamber 13 at this moment, can ignore on the impact of thrust axis; High pressure oil flows into from the oil duct 9-1 of spool 9, and the upper thrust that acts on spool 9 increases; The active force that spool 9 promotes thrust axis 11 is during greater than upper thrust spring 17 thrust, move on the spool 9, the oilhole 9-2 that is arranged on the spool 9 is communicated with oil duct 4-1 on being arranged at lower valve body 4, and fluid flows to the vibration damper low-pressure cavity from the vibration damper hyperbaric chamber through spool 9 and lower valve body 4; In case act on the upper thrust of spool 9 less than upper thrust spring 17 thrusts, spool 9 moves down, the vibration damper upper and lower cavity is cut off.Mode two is flow control mode, and the electric current that passes through in the ECU (Electrical Control Unit) control coil 5 is the magnetic field of setting value to obtain to require, and the magnetic flow liquid yield strength increases in the active chamber 13 at this moment, and thrust axis 11 moves the control that is subject to magnetic flow liquid in the active chamber 13; The vibration damper compression, lower cavity pressure increases, and the upper thrust that acts on spool 9 increases; The active force that spool 9 promotes thrust axis 11 is when magnetic flow liquid is to thrust axis 11 active force sum in upper thrust spring 17 thrusts and the active chamber 13, move on the spool 9, the oilhole 9-2 that is arranged on the spool 9 is communicated with oil duct 4-1 on being arranged at lower valve body 4, and fluid flows to the vibration damper low-pressure cavity from the vibration damper hyperbaric chamber through spool 9 and lower valve body 4; Move past in the journey on the spool 9, the size of current of passing through in the ECU (Electrical Control Unit) control coil 5, obtain different magnetic intensities, so that the yield strength of magnetic flow liquid changes in the active chamber 13, the active force that magnetic flow liquid acts on the thrust axis 11 changes, can control the position of moving on the spool 9 and control circulation area, thereby realization is to the flow control of fluid.When the yield strength of magnetic flow liquid became very big, the pressure-bearing scope that the present invention uses can be very large.
Shown in accompanying drawing 2: the spool 9 in the embodiment of the invention 1 also can be integrated in the lower end of thrust axis 11, forms the monolithic construction form, removes simultaneously spring 8.
Claims (5)
1. magnetorheological flow control valve, it is characterized in that: this flow control valve comprises jump ring, upper end cap, upper valve body, lower valve body, coil, lower thrust spring, spool, thrust axis, inner valve body, active chamber, magnetic shield cylinder, spring seat, upper thrust spring, sealing bolt and a plurality of rubber seal; Described upper end cap is arranged within the upper valve body, the upper end cap upper end is provided with jump ring, the lower end is provided with the upper thrust spring under the compressive state, relative position between upper end cap and the upper valve body is fixed, the lower end of upper thrust spring is arranged on the spring seat, and spring seat is threaded connection and is fixed in thrust axis topmost; Be connected by screw thread between upper valve body and the lower valve body, be provided with coil and magnetic shield cylinder between upper valve body and the lower valve body; Inner valve body is arranged within the lower valve body, and the magnetic shield cylinder that the upper end arranges guarantees that the relative position between upper valve body, lower valve body and the inner valve body immobilizes; Be provided with spool in the lower valve body lower end through hole, the convex portion downside of spool contacts with lower valve body, and the convex portion upside of spool is provided with the lower thrust spring under the compressive state, and the other end of lower thrust spring contacts with inner valve body.
2. a kind of magnetorheological flow control valve according to claim 1, it is characterized in that: form active chamber between described inner valve body, magnetic shield cylinder and the upper valve body, fill with magnetic flow liquid in the active chamber, thrust axis is provided with liquid filling hole, by being arranged at the sealing bolt sealing liquid filling hole on thrust axis top, described lower valve body is provided with oil duct.
3. a kind of magnetorheological flow control valve according to claim 1, it is characterized in that: described spool is provided with oil duct and oilhole, and spool is by the through-hole guides of lower valve body lower end.
4. a kind of magnetorheological flow control valve according to claim 1 is characterized in that: be provided with rubber seal between described thrust axis and the upper valve body; Be provided with rubber seal between inner valve body and the thrust axis; Be provided with rubber seal between inner valve body and the lower valve body; The outside connecting end of lower valve body is provided with rubber seal.
5. a kind of magnetorheological flow control valve according to claim 1, it is characterized in that: described spool also can be integrated in the thrust axis lower end, forms the monolithic construction form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333065 CN202733123U (en) | 2012-07-11 | 2012-07-11 | Magnetorheological flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333065 CN202733123U (en) | 2012-07-11 | 2012-07-11 | Magnetorheological flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733123U true CN202733123U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220333065 Withdrawn - After Issue CN202733123U (en) | 2012-07-11 | 2012-07-11 | Magnetorheological flow control valve |
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| CN (1) | CN202733123U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148257A (en) * | 2012-07-11 | 2013-06-12 | 吉林大学 | Magnetorheological flow control valve |
| CN103185043A (en) * | 2013-03-12 | 2013-07-03 | 合肥工业大学 | Intelligent liquid flow control valve |
| CN103267159A (en) * | 2013-05-05 | 2013-08-28 | 吉林大学 | Double-acting magneto-rheological pressure and flow control valve |
| CN103899700A (en) * | 2014-04-21 | 2014-07-02 | 章新杰 | Compact type flow control valve |
| CN103899810A (en) * | 2014-04-21 | 2014-07-02 | 吉林大学 | Two-way flow control valve |
| CN103899827A (en) * | 2014-04-21 | 2014-07-02 | 章新杰 | Compact bidirectional action flow control valve |
| CN113007425A (en) * | 2021-03-31 | 2021-06-22 | 重庆大学 | Magneto-rheological semi-active and active integrated flow valve based on electromagnetic adjustment |
-
2012
- 2012-07-11 CN CN 201220333065 patent/CN202733123U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148257A (en) * | 2012-07-11 | 2013-06-12 | 吉林大学 | Magnetorheological flow control valve |
| CN103148257B (en) * | 2012-07-11 | 2015-11-11 | 吉林大学 | Magnetorheological flow control valve |
| CN103185043A (en) * | 2013-03-12 | 2013-07-03 | 合肥工业大学 | Intelligent liquid flow control valve |
| CN103185043B (en) * | 2013-03-12 | 2015-11-04 | 合肥工业大学 | Intelligent liquid flow control valve |
| CN103267159A (en) * | 2013-05-05 | 2013-08-28 | 吉林大学 | Double-acting magneto-rheological pressure and flow control valve |
| CN103899700A (en) * | 2014-04-21 | 2014-07-02 | 章新杰 | Compact type flow control valve |
| CN103899810A (en) * | 2014-04-21 | 2014-07-02 | 吉林大学 | Two-way flow control valve |
| CN103899827A (en) * | 2014-04-21 | 2014-07-02 | 章新杰 | Compact bidirectional action flow control valve |
| CN103899827B (en) * | 2014-04-21 | 2016-01-27 | 章新杰 | A kind of compact type bi-directional effect flow control valve |
| CN103899810B (en) * | 2014-04-21 | 2016-02-24 | 吉林大学 | A kind of two-way function flow control valve |
| CN113007425A (en) * | 2021-03-31 | 2021-06-22 | 重庆大学 | Magneto-rheological semi-active and active integrated flow valve based on electromagnetic adjustment |
| CN113007425B (en) * | 2021-03-31 | 2022-11-15 | 重庆大学 | Magneto-rheological semi-active and active integrated flow valve based on electromagnetic adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20151111 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |