CN103062477A - High-pressure and dual-redundancy switch solenoid valve - Google Patents
High-pressure and dual-redundancy switch solenoid valve Download PDFInfo
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- CN103062477A CN103062477A CN2012105209669A CN201210520966A CN103062477A CN 103062477 A CN103062477 A CN 103062477A CN 2012105209669 A CN2012105209669 A CN 2012105209669A CN 201210520966 A CN201210520966 A CN 201210520966A CN 103062477 A CN103062477 A CN 103062477A
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- solenoid valve
- housing
- high pressure
- redundancy switch
- switch solenoid
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Abstract
The invention relates to and provides a high-pressure and dual-redundancy switch solenoid valve which comprises a housing which is arranged at one end of a solenoid valve and a solenoid valve body which is connected with the housing. The housing comprises an outlet which is arranged in the axial direction of the housing and an inlet which is arranged in the radial direction of the housing and the inlet is communicated with the outlet through the solenoid valve body. The high-pressure and dual-redundancy switch solenoid valve has the advantages of being capable of improving the working pressure and the working reliability of the existing switch solenoid valve and meeting the use requirement for high pressure and dual redundancy of a switch solenoid valve.
Description
Technical field
The invention belongs to electric liquid conversion equipment technical field, relate to a kind of dual-redundancy switch solenoid valve, relate in particular to the switch electromagnetic valve of the two remainings of a kind of high pressure.
Prior art
Existing switch electromagnetic valve structure as described in Figure 1, when this solenoid valve carried out work, positive oil-feed side was fuel-displaced, spring force opposing oil pressure, the raising of working pressure relies on the spring force that improves spring, correspondingly increases electromagnetic attraction, and general switch electromagnetic valve only has a coil.
Referring to Fig. 1, the functional structure of existing switch electromagnetic valve comprises: spring seat packing ring 11, plug screw assembly 12, shutter spring 13, drain plug gasket 14, seal ring 15, iron core packing ring 16, iron core spring 17, coil block 19, core assembly 114, nozzle 115, baffle valve 116, spring seat 117, housing 18, silicone rubber 22 and rear end cover 111.When product was not switched on, core assembly 114 only leaned against baffle valve 116 right side of spring seat 117 under the spring-force driven dual of iron core spring 17, came oily leading to by the gap between baffle valve 116 and the nozzle 115 to export, and solenoid valve is in open mode; During the product energising, oil pressure, shutter spring power and electromagnetic attraction overcome the iron core spring force jointly, and baffle valve 116 only leans against the left side of nozzle 115, and solenoid valve is in air-tight state.The positive oil-feed of existing switch electromagnetic valve side is fuel-displaced, and oil pressure directly acts on the iron core spring, and the iron core spring force is less, and the working pressure that product can bear is about 2.3MPa.Simultaneously, existing switch electromagnetic valve only has a coil, and this switch electromagnetic valve can't be worked after this coil breaks down.
The purpose of invention
In order to solve the above-mentioned technical problem that exists in the background technique, the invention provides a kind of dual-redundancy switch solenoid valve that improves working pressure and the functional reliability of existing switch electromagnetic valve and can satisfy the user demand of the two remainings of switch electromagnetic valve high pressure.
Technical solution of the present invention is: the invention provides a kind of dual-redundancy switch solenoid valve, its special way is: described dual-redundancy switch solenoid valve comprises the housing that is arranged on the solenoid valve end and the solenoid valve body that is connected with housing; Described housing comprises the outlet of the axial direction that is arranged on housing and the import that is arranged on the radial direction of housing; Described import connects by solenoid valve body and outlet.
Above-mentioned solenoid valve body comprises the trapped fuel chamber, around the magnetic circuit assembly that is arranged on outside, trapped fuel chamber, be sleeved on coil block on the magnetic circuit assembly, be arranged on spring and the core assembly of inside, trapped fuel chamber; Described import by be arranged on the housing enter pipeline and the trapped fuel chamber connects; Described outlet connects by outflow pipeline and the trapped fuel chamber that is arranged on the housing; One end of described core assembly is fixedly connected with spring, the other end only lean against with the end face that exports the outflow pipeline that connects on.
Above-mentioned core assembly can carry out gapped slip in inside, trapped fuel chamber, and the structure of core assembly makes and forms the passage that axially connects between itself and the trapped fuel chamber.
Above-mentioned core assembly only leans against an end that flows out pipeline end face and is provided with Sealing.
Above-mentioned Sealing is end face seal.
The mode of above-mentioned end face seal is ball face sealing, conical surface seal or plane sealing.
Above-mentioned coil block comprises two groups of coils; Described two groups of coils are sleeved on the magnetic circuit assembly from left to right successively.
Above-mentioned dual-redundancy switch solenoid valve also comprises the shell that is sleeved on the solenoid valve body outside; Described housing and shell are flexibly connected.
Also be provided with the O RunddichtringO between above-mentioned housing and the solenoid valve body.
Advantage of the present invention is:
The present invention mainly is the working condition that realizes high pressure by changing product import and export and sealing configuration, increases the working condition that a coil winding realizes two remainings.The specific product performance requirement that the present invention can reach:
1) rated pressure 8MPa; 2) under rated flow 〉=2L/min(pressure reduction 1.5MPa); 3) inner leakage of oil amount is under (8 ± 0.1) MPa, leakage of oil amount≤0.5ml/min; 4) starting resistor (7～12) V DC(unicoil), (3.5～6) V DC(twin coil is in parallel); 5) release voltage (0.2～4) V DC(unicoil), (0.1～2) V DC(twin coil is in parallel).
Description of drawings
Fig. 1 is the structural representation of existing low-pressure unicoil switch electromagnetic valve;
Fig. 2 is the dual-redundancy switch electromagnetic valve structure schematic representation that the present invention proposes.
Wherein:
11-spring seat packing ring; 12-plug screw assembly; The 13-shutter spring; The 14-drain plug gasket; The 15-seal ring; 16-iron core packing ring; 17-iron core spring; The 18-housing; The 19-coil block; The 114-core assembly; The 115-nozzle; The 116-baffle valve; The 117-spring seat; The 21-shell; 22-silicone rubber; 24-magnetic circuit assembly; 25-adjusts packing ring; 26-the one O type rubber seal; The 27-oil nozzle; 28-the 2nd O type rubber seal; The 210-pin; The 212-spring; 213-high performance fluorine rubber heat-shrink tube; The 214-import; The 215-outlet.
Embodiment
The invention provides a kind of dual-redundancy switch solenoid valve, this dual-redundancy switch solenoid valve comprises the housing that is arranged on the solenoid valve end and the solenoid valve body that is connected with housing; The present invention directly improves existing outlet 215 and import 214 thoroughly, is in particular in: housing 18 comprises the outlet 215 of the axial direction that is arranged on housing and the import 214 that is arranged on the radial direction of housing; Import connects by solenoid valve body and outlet 215.
Solenoid valve body comprises the trapped fuel chamber, around the magnetic circuit assembly 24 that is arranged on outside, trapped fuel chamber, be sleeved on the coil block 19 on the magnetic circuit assembly 24, the spring that is arranged on inside, trapped fuel chamber and core assembly 114; Import 214 by be arranged on the housing enter pipeline and the trapped fuel chamber connects; Outlet 215 connects by outflow pipeline and the trapped fuel chamber that is arranged on the housing; One end of core assembly 114 is fixedly connected with spring, the other end only lean against with the end face that exports the outflow pipeline that connects on.
Simultaneously, coil block 19 of the present invention comprises two groups of coils; Two groups of coils are sleeved on the magnetic circuit assembly 24 from left to right successively.
The dual-redundancy switch solenoid valve also comprises the shell 21 that is sleeved on the solenoid valve body outside; Housing and shell 21 are flexibly connected.Also be provided with an O RunddichtringO 26 between housing and the solenoid valve body.
Referring to Fig. 2, the present invention is comprised of following spare part: shell 21, silicone rubber 22, coil block 23, magnetic circuit assembly 24, adjustment packing ring 25, an O type rubber seal 26, oil nozzle 27, the 2nd O type rubber seal 28, housing 29, pin 210, core assembly 114, spring 212, high performance fluorine rubber heat-shrink tube 213.
Assembly process of the present invention is: coil block 23 is enclosed within on the axle of magnetic circuit assembly 24 and is pressed into shell 21, and high performance fluorine rubber heat-shrink tube 213 is drawn and put to the lighting outlet of coil block 3 by the fairlead of shell 21; Embedding silicone rubber 22 between coil block 3 and the shell 21.The core assembly 114 of packing into behind the spring of packing in the magnetic circuit assembly 24, after oil nozzle 7 is pressed into housing 29, housing 29 is screwed in shell 21, the bulb of core assembly is pressed against on the oil nozzle under the effect of spring force, adjust the stroke of solenoid valve by thickness that adjust to adjust packing ring 5, squeeze at last pin 210 locking screw threads.
The present invention in the specific works process is: oil-feed front, switch electromagnetic valve side is fuel-displaced, oil pressure does not directly act on spring 212, but with the spring force acting in conjunction in core assembly 114, core assembly 114 ends are embedded with steel ball, steel ball is shut oil nozzle under the acting in conjunction of oil pressure and spring force, therefore come the larger product hermeticity of oil pressure better, less demanding to spring force; Increase a coil winding, two coil winding can work alone, and have strengthened the functional reliability of switch electromagnetic valve.
When product is not switched on, come oily by the channeling between core assembly 114 and the magnetic circuit assembly 24 in core assembly 114, the spring force of oil pressure and spring 212 is pressed against the bulb of core assembly 114 on the oil nozzle 27 jointly, import and the outlet of solenoid valve are turned off; During energising, core assembly 114 overcomes oil pressure and spring 212 under the effect of electromagnetic force spring force only leans against magnetic circuit assembly 24 bottoms to left movement, bulb is followed core assembly and is left oil nozzle, come oily by form between core assembly 114 and the oil nozzle 27 the gap lead to outlet, the solenoid valve import and export communicate.
Claims (9)
1. high pressure dual-redundancy switch solenoid valve, it is characterized in that: described high pressure dual-redundancy switch solenoid valve comprises the housing that is arranged on the solenoid valve end and the solenoid valve body that is connected with housing; Described housing comprises the outlet of the axial direction that is arranged on housing and the import that is arranged on the radial direction of housing; Described import connects by solenoid valve body and outlet.
2. high pressure dual-redundancy switch solenoid valve according to claim 1 is characterized in that: described solenoid valve body comprises the trapped fuel chamber, around the magnetic circuit assembly that is arranged on outside, trapped fuel chamber, be sleeved on coil block on the magnetic circuit assembly, be arranged on spring and the core assembly of inside, trapped fuel chamber; Described import by be arranged on the housing enter pipeline and the trapped fuel chamber connects; Described outlet connects by outflow pipeline and the trapped fuel chamber that is arranged on the housing; One end of described core assembly is fixedly connected with spring, the other end only lean against with the end face that exports the outflow pipeline that connects on.
3. high pressure dual-redundancy switch solenoid valve according to claim 2, it is characterized in that: described core assembly can carry out gapped slip in inside, trapped fuel chamber.
4. high pressure dual-redundancy switch solenoid valve according to claim 3 is characterized in that: described core assembly only leans against an end that flows out pipeline end face and is provided with Sealing.
5. high pressure dual-redundancy switch solenoid valve according to claim 4, it is characterized in that: described Sealing is end face seal.
6. high pressure dual-redundancy switch solenoid valve according to claim 5, it is characterized in that: the mode of described end face seal is ball face sealing, conical surface seal or plane sealing.
7. according to claim 2 or 3 or 4 or 5 or 6 described high pressure dual-redundancy switch solenoid valves, it is characterized in that: described coil block comprises two groups of coils; Described two groups of coils are sleeved on the magnetic circuit assembly from left to right successively.
8. high pressure dual-redundancy switch solenoid valve according to claim 7, it is characterized in that: described dual-redundancy switch solenoid valve also comprises the shell that is sleeved on the solenoid valve body outside; Described housing and shell are flexibly connected.
9. high pressure dual-redundancy switch solenoid valve according to claim 8 is characterized in that: also be provided with the O RunddichtringO between described housing and the solenoid valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105209669A CN103062477A (en) | 2012-12-06 | 2012-12-06 | High-pressure and dual-redundancy switch solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105209669A CN103062477A (en) | 2012-12-06 | 2012-12-06 | High-pressure and dual-redundancy switch solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103062477A true CN103062477A (en) | 2013-04-24 |
Family
ID=48105252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105209669A Pending CN103062477A (en) | 2012-12-06 | 2012-12-06 | High-pressure and dual-redundancy switch solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103062477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455656A (en) * | 2014-12-05 | 2015-03-25 | 西安航空动力控制科技有限公司 | Normally open type side-in bottom-out on-off electromagnetic valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030151018A1 (en) * | 2002-02-13 | 2003-08-14 | Nobutaka Teshima | Solenoid valve |
| EP1348862A2 (en) * | 2002-03-27 | 2003-10-01 | Pierburg GmbH | Electromagnetic regulating device |
| US20050098211A1 (en) * | 2003-11-07 | 2005-05-12 | Mitsubishi Denki Kabushiki Kaisha | Three-way bleed type proportional electromagnetic valve |
| JP2005240949A (en) * | 2004-02-27 | 2005-09-08 | Ckd Corp | High pressure solenoid valve |
| EP1990568A1 (en) * | 2006-03-02 | 2008-11-12 | Kabushiki Kaisha Kawasaki Precision Machinery | Valve apparatus |
| CN101795910A (en) * | 2007-09-04 | 2010-08-04 | 丰田自动车株式会社 | Electromagnetic valve, control method thereof, and brake control system |
| CN102330834A (en) * | 2011-09-07 | 2012-01-25 | 浙江中宝自控元件有限公司 | Electromagnetic valve |
| EP2492559A1 (en) * | 2009-10-21 | 2012-08-29 | Toyooki Kogyo Co., Ltd. | Solenoid valve |
-
2012
- 2012-12-06 CN CN2012105209669A patent/CN103062477A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030151018A1 (en) * | 2002-02-13 | 2003-08-14 | Nobutaka Teshima | Solenoid valve |
| EP1348862A2 (en) * | 2002-03-27 | 2003-10-01 | Pierburg GmbH | Electromagnetic regulating device |
| US20050098211A1 (en) * | 2003-11-07 | 2005-05-12 | Mitsubishi Denki Kabushiki Kaisha | Three-way bleed type proportional electromagnetic valve |
| JP2005240949A (en) * | 2004-02-27 | 2005-09-08 | Ckd Corp | High pressure solenoid valve |
| EP1990568A1 (en) * | 2006-03-02 | 2008-11-12 | Kabushiki Kaisha Kawasaki Precision Machinery | Valve apparatus |
| CN101795910A (en) * | 2007-09-04 | 2010-08-04 | 丰田自动车株式会社 | Electromagnetic valve, control method thereof, and brake control system |
| EP2492559A1 (en) * | 2009-10-21 | 2012-08-29 | Toyooki Kogyo Co., Ltd. | Solenoid valve |
| CN102330834A (en) * | 2011-09-07 | 2012-01-25 | 浙江中宝自控元件有限公司 | Electromagnetic valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455656A (en) * | 2014-12-05 | 2015-03-25 | 西安航空动力控制科技有限公司 | Normally open type side-in bottom-out on-off electromagnetic valve |
| CN104455656B (en) * | 2014-12-05 | 2016-09-14 | 西安航空动力控制科技有限公司 | A kind of side is entered the end and is gone out open type switch electromagnetic valve |
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Application publication date: 20130424 |