CN202612237U - Horizontal leading magneto-rheological inserting type high-speed switching valve - Google Patents

Horizontal leading magneto-rheological inserting type high-speed switching valve Download PDF

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Publication number
CN202612237U
CN202612237U CN201220259057XU CN201220259057U CN202612237U CN 202612237 U CN202612237 U CN 202612237U CN 201220259057X U CN201220259057X U CN 201220259057XU CN 201220259057 U CN201220259057 U CN 201220259057U CN 202612237 U CN202612237 U CN 202612237U
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CN
China
Prior art keywords
valve
main
main valve
core
pilot
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Expired - Fee Related
Application number
CN201220259057XU
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Chinese (zh)
Inventor
吴张永
王娴
段振华
莫子勇
吴喜
温成卓
王庆辉
刘云韩
曲金涛
高晓艳
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Priority to CN201220259057XU priority Critical patent/CN202612237U/en
Application granted granted Critical
Publication of CN202612237U publication Critical patent/CN202612237U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a horizontal leading magneto-rheological inserting type high-speed switching valve, and belongs to the field of hydraulic transmission technology. The horizontal leading magneto-rheological inserting type high-speed switching valve comprises a leading valve and a main valve, wherein the leading valve is arranged at the upper end of the main valve, and the leading valve comprises an end cover, a leading valve body and a leading valve core; the leading valve core is arranged in the leading valve body, and fixed through an end cover on the leading valve body; the main valve comprises a main valve spring, a main valve core and a main valve body; the main valve spring is arranged at the upper end of the main valve core, and the main valve core is arranged in the main valve body. According to the horizontal leading magneto-rheological inserting type high-speed switching valve, the valve core has no relative movement, is simple in structure, and has high control precision, fast response time, and high utilization rate of a magnetic field.

Description

The magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide
Technical field
The utility model relates to the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide, belongs to hydraulic transmission technology field.
Background technique
Known high-speed switch valve is many to be working medium with hydraulic oil, and its driving mode is: electromagnetic type speed-sensitive switch valve actuator is an electromagnet, and relative movement spool, complex structure, speed of response is slow, control accuracy is low, control flow rate is little shortcoming are arranged; Magnetostriction type high-speed switch valve, piezoelectricity type speed-sensitive switch valve actuator are little magnetostriction materials and the piezoelectric crystal of output displacement; Need to amplify shortcoming such as relative movement spool, complex structure are arranged, control accuracy is low, control flow rate is little, cost an arm and a leg through the lever displacement of flexible hinge.Magnetic flow liquid is the intellectual material with property that the flowability with magnetic and liquid is unified; Under the effect of externally-applied magnetic field, can moment (Millisecond) change semisolid into from free-pouring liquid; Present controlled yield strength, and this variation is continuous, reversible.The utility model by the magnetorheological plug-in mounting high-speed switch valve of a kind of horizontal guide of its moment rheology characteristics design, is realized the control of flow speed-sensitive switch with the working medium of magnetic flow liquid as Hydraulic Power Transmission System.
Summary of the invention
The purpose of the utility model provides the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide; Adopt the secondary control mode; Pilot stage is the magnetorheological high-speed switch valve of high frequency, low discharge; The second level is that two logical plug-in type cone valves carry out the hydraulic pressure amplification, realizes the big flow speed-sensitive switch control that its flow is through-flow.
The utility model is realized by following technological scheme: the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide comprises pilot valve, main valve; Pilot valve is installed in the main valve upper end, and said pilot valve comprises end cap 1, pilot valve body 2, pilot valve core 4; Pilot valve core 4 is installed in the pilot valve body 2, and by end cap 1 axial restraint that is fixed on the pilot valve body 2, said main valve comprises main spool spring 11, valve core of main valve 12, valve body of main valve 14; Main spool spring 11 is installed in valve core of main valve 12 upper ends, and valve core of main valve 12 is installed in the valve body of main valve 14.
The pilot valve body 2 of said pilot valve is through on the valve body of main valve 14 that is bolted to main valve.
End face location iron core 3, electromagnetic coil 5, interfix iron core 6 are installed between the pilot valve body 1 of said pilot valve and the pilot valve core 4; Wherein electromagnetic coil 5 two ends are by end face location iron core 3, interfix iron core 6 axial restraints; Electromagnetic coil 5 installed inside have electromagnetic coil protecting jacket 7, prevent that wire coil is by the flow erosion.
Be provided with main valve valve pocket 13 in the said main valve, valve core of main valve 12 is installed in the main valve valve pocket 13 through Spielpassung, and main valve seal ring 16 is installed in the main valve valve pocket 13, and main valve valve pocket 13 is installed in the valve body of main valve 14 through interference fit.
End bracket enclosed circle 9 is installed in the seal groove of said end cap 1.Form the working clearance 8 between said end face location iron core 3, interfix iron core 6 and the pilot valve core 4.
Said valve body of main valve 14 is equipped with plug 10 through screw thread.Said valve core of main valve 12 lower ends are provided with damping hole 15.
During work, through pilot valve being carried out PWM control, when pilot valve receives pulse signal when being high level; The pilot valve energising, its working clearances 8 place's magnetic flow liquid changes almost solid rapidly into, and magnetic flow liquid can't get into pilot valve; Pilot valve is in the closed position; This moment, main valve control chamber oil pressure equated that with main valve filler opening oil pressure under the active force of spring 11, valve core of main valve 12 is closed.When pilot valve receives pulse signal when being low level, the pilot valve no electric circuit, its working clearances 8 place's magnetic flow liquid is a Newtonian fluid; Pilot valve is in open mode, and flow flows back to liquid tank through pilot valve, and the control chamber oil pressure descends; Oil suction chamber pressure is greater than control chamber pressure, and valve core of main valve 12 is opened.Therefore through pilot valve being carried out PWM control, can realize valve core of main valve 12 is opened speed-sensitive switch control, also promptly realize the through-flow HF switch control of flow of the magnetorheological plug-in mounting high-speed switch valve of horizontal guide.
The utility model has following beneficial effect compared with prior art:
1, working medium is micron order or nano level magnetic flow liquid;
2, pilot valve is a magnetic rheological valve, and no relative movement spool is simple in structure, and control accuracy is high, and the response time is fast;
3, valve body, spool and iron core adopt high permeability material, improve magnetic property.End cap adopts non-magnet material, reduces leakage field, improves the utilization ratio of magnetic field energy;
4, be pilot valve with magnetorheological high-speed switch valve, main valve is two logical plug-in type cone valves, can realize the big flow control of high-speed switch valve.
Description of drawings
Fig. 1 is the general structure schematic representation of the utility model.
Each label is among the figure: 1: end cap, 2: pilot valve body, 3: end face location iron core, 4: pilot valve core, 5: electromagnetic coil, 6: interfix iron core, 7: electromagnetic coil protecting jacket, 8: working clearance, 9: end bracket enclosed circle, 10: plug, 11: main spool spring, 12: valve core of main valve, 13: main valve valve pocket, 14: valve body of main valve, 15: damping hole, 16: main valve seal ring.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further, but the content of the utility model is not limited to said scope.
Embodiment: as shown in Figure 1, the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide comprises pilot valve, main valve; Pilot valve is installed in the main valve upper end, and said pilot valve comprises end cap 1, pilot valve body 2, pilot valve core 4; Pilot valve core 4 is installed in the pilot valve body 2, and by end cap 1 axial restraint that is fixed on the pilot valve body 2, said main valve comprises main spool spring 11, valve core of main valve 12, valve body of main valve 14; Main spool spring 11 is installed in valve core of main valve 12 upper ends, and valve core of main valve 12 is installed in the valve body of main valve 14.The pilot valve body 2 of pilot valve is through on the valve body of main valve 14 that is bolted to main valve.End face location iron core 3, electromagnetic coil 5, interfix iron core 6 are installed between the pilot valve body 1 of pilot valve and the pilot valve core 4; Wherein electromagnetic coil 5 two ends are by end face location iron core 3, interfix iron core 6 axial restraints, and electromagnetic coil 5 installed inside have electromagnetic coil protecting jacket 7.Be provided with main valve valve pocket 13 in the main valve, valve core of main valve 12 is installed in the main valve valve pocket 13 through Spielpassung, and main valve seal ring 16 is installed in the main valve valve pocket 13, and main valve valve pocket 13 is installed in the valve body of main valve 14 through interference fit.End bracket enclosed circle 9 is installed in the seal groove of end cap 1.Form the working clearance 8 between end face location iron core 3, interfix iron core 6 and the pilot valve core 4.Valve body of main valve 14 is equipped with plug 10 through screw thread.Said valve core of main valve 12 lower ends are provided with damping hole 15.

Claims (8)

1. magnetorheological plug-in type high-speed switch valve of horizontal guide is characterized in that: comprise pilot valve, main valve, pilot valve is installed in the main valve upper end, and said pilot valve comprises end cap (1), pilot valve body (2), pilot valve core (4); Pilot valve core (4) is installed in the pilot valve body (2), and fixing by the end cap (1) that is fixed on the pilot valve body (2), and said main valve comprises main spool spring (11), valve core of main valve (12), valve body of main valve (14); Main spool spring (11) is installed in valve core of main valve (12) upper end, and valve core of main valve (12) is installed in the valve body of main valve (14).
2. the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide according to claim 1 is characterized in that: the pilot valve body of said pilot valve (2) is fixed on the valve body of main valve (14) of main valve.
3. the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide according to claim 1; It is characterized in that: end face location iron core (3), electromagnetic coil (5), interfix iron core (6) are installed between pilot valve body of said pilot valve (2) and the pilot valve core (4); Wherein electromagnetic coil (5) is fixing by end face location iron core (3), interfix iron core (6), and electromagnetic coil (5) installed inside has electromagnetic coil protecting jacket (7).
4. the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide according to claim 1; It is characterized in that: be provided with main valve valve pocket (13) in the said main valve; Valve core of main valve (12) is installed in the main valve valve pocket (13); Main valve seal ring (16) is installed in the main valve valve pocket (13), and main valve valve pocket (13) is installed in the valve body of main valve (14).
5. the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide according to claim 1 is characterized in that: end bracket enclosed circle (9) is installed in the said end cap (1).
6. the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide according to claim 3 is characterized in that: form the working clearance (8) between said end face location iron core (3), interfix iron core (6) and the pilot valve core (4).
7. the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide according to claim 1, it is characterized in that: said valve body of main valve (14) is equipped with plug (10).
8. the magnetorheological plug-in type high-speed switch valve of a kind of horizontal guide according to claim 1 is characterized in that: said valve core of main valve (12) lower end is provided with damping hole (15).
CN201220259057XU 2012-06-04 2012-06-04 Horizontal leading magneto-rheological inserting type high-speed switching valve Expired - Fee Related CN202612237U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220259057XU CN202612237U (en) 2012-06-04 2012-06-04 Horizontal leading magneto-rheological inserting type high-speed switching valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220259057XU CN202612237U (en) 2012-06-04 2012-06-04 Horizontal leading magneto-rheological inserting type high-speed switching valve

Publications (1)

Publication Number Publication Date
CN202612237U true CN202612237U (en) 2012-12-19

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062145A (en) * 2013-01-14 2013-04-24 昆明理工大学 Magnetorheological plug-in high-speed switching valve
CN106168306A (en) * 2016-08-11 2016-11-30 张广 A kind of air relief valve based on magnetic rheology effect
CN107289182A (en) * 2017-06-05 2017-10-24 长安大学 Pilot-operated type big flow high-speed switch valve
CN110878775A (en) * 2019-11-26 2020-03-13 贵州凯星液力传动机械有限公司 Novel hydraulic buffer valve
CN114294287A (en) * 2021-12-30 2022-04-08 靖江市穹顶安防工程有限责任公司 Buffering overflow valve structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062145A (en) * 2013-01-14 2013-04-24 昆明理工大学 Magnetorheological plug-in high-speed switching valve
CN106168306A (en) * 2016-08-11 2016-11-30 张广 A kind of air relief valve based on magnetic rheology effect
CN107289182A (en) * 2017-06-05 2017-10-24 长安大学 Pilot-operated type big flow high-speed switch valve
CN110878775A (en) * 2019-11-26 2020-03-13 贵州凯星液力传动机械有限公司 Novel hydraulic buffer valve
CN114294287A (en) * 2021-12-30 2022-04-08 靖江市穹顶安防工程有限责任公司 Buffering overflow valve structure

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121219

Termination date: 20150604

EXPY Termination of patent right or utility model