CN205478035U - High pressure fuel solenoid valve - Google Patents
High pressure fuel solenoid valve Download PDFInfo
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- CN205478035U CN205478035U CN201521027983.4U CN201521027983U CN205478035U CN 205478035 U CN205478035 U CN 205478035U CN 201521027983 U CN201521027983 U CN 201521027983U CN 205478035 U CN205478035 U CN 205478035U
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Abstract
The utility model relates to a high pressure fuel solenoid valve belongs to aeroengine fuel control system technical field. The utility model discloses technical scheme adopts the ejector pin to promote the execution unit of steel ball as the solenoid valve for the control section of the two remaining coils of adoption as the solenoid valve. Through expert, outage, the conversion of control steel ball valve realizes the switch -on of different oil circuit mouths. The utility model discloses an advantage is high pressure resistant, low frequency, low leakages, two remaining, reliability height.
Description
Technical field
The present invention is a kind of high pressure fuel electromagnetic valve, belongs to aircraft engine fuel oil system technical field.
Background technology
The operating pressure of adnexa plug-in fuel solenoid valve was defined as less than 12MPa by engine fuel control in the past, and the lowest power that system provides is 9W, and internal hemorrhage due to trauma index is no more than 15mL/min, the double remaining of electric part.Product couple many employings guiding valve of adapting therewith, cone valve, flat valve structure form seal.Mainly ensureing to seal on couple valve by spring-force driven dual during power-off, during energising, electromagnetic force, in addition to overcoming the hydraulic coupling acting on valve, also needs to overcome bigger spring force to guarantee product work.Therefore, electric magnet profile and the weight of this kind of electromagnetic valve are bigger than normal.Lifting along with new work engine performance, the performance indications of above-mentioned adnexa be it is also proposed higher requirement, wherein the operating pressure that lifting index is product of most critical is 21+1 0MPa, and the lowest power that system provides is down to 6.3W, and internal hemorrhage due to trauma index is no more than 10mL/min.If still following conventional design concept, it is difficult to realize new performance indications requirement.
Summary of the invention
The purpose of the present invention is: for meeting engine fuel control to plug-in fuel solenoid valve high pressure, low-power, low internal hemorrhage due to trauma, small size, the index request of double remaining, and the present invention devises a kind of abilityLowest power is not more than the plug-in fuel solenoid valve that 6.3W, internal hemorrhage due to trauma are not more than 0.4kg less than 10mL/min, double remaining, weight.This product is two-position three way normally closed type, the seal form using steel ball structure.During power-off, hydraulic coupling acts on steel ball valve with the elastic force of reset compression spring, close entrance, opens oil return opening, makes control mouth connect with oil return opening；During energising, electromagnetic force overcomes bigger hydraulic coupling and less spring force to open entrance, close oil return opening, makes entrance connect with controlling mouth.
Technical scheme: a kind of high pressure fuel electromagnetic valve, including magnet control part and machinery executable portion,
Described magnet control part includes electric magnet outer housing 12, skeleton component 10, coil block 11 armature component 13；
Described machinery executable portion includes plug-in mounting housing 8, lower push rod 9, middle push rod 7, steel ball valve 4, valve base 5, valve support 6, spring base 3, spring 2, lock nut 1；
Skeleton component 10 is made up of upper magnetic conductor, lower magnetic conductor, middle magnetism-isolating loop three part, and three parts are welded as a whole, and skeleton component 10 is internal arranges armature component 13 and stifled 14；Armature component 13 is made up of armature, push rod, and it is placed in skeleton component 10 inner chamber；Armature soft magnetic materials manufacture, push rod is with nonmagnetic stainless steel material manufacture；Push rod uses interference fit to be connected with armature coupling part；
Coil block 13 is made up of skeleton, coil, insulation spacer, and the coil being wrapped on skeleton is divided into interior loop and exterior loop, uses different size enamel-covered wire to be wound around, and two groups of coil resistance differences are in the range of ± 5%；
After electric magnet outer housing 12 loads skeleton component 10, using interference fit to be connected with skeleton component 10 shoulder position, product left end will stifled and skeleton component 10, electric magnet outer housing 12 axial restraint with sunk screw；
Plug-in mounting housing 8 internal carrying lower push rod 9, middle push rod 7, valve base 5, steel ball valve 4, valve support 6, spring base 3, spring 2, lock nut 1；Lock nut 1 uses with plug-in mounting housing 8 threadeds its inner body axial restraint；Plug-in mounting housing 8 and skeleton component 10 use three sunk screws to be connected and fixed.
Advantages of the present invention
1) product seals and ensures mainly by pressure medium, and unconventional spring force ensures.Thus product can in the range of certain pressure reliably working, and reduce solenoid part weight；It addition, avoid the mode that conventional plug-in fuel solenoid valve can only work under single pressure, expand the scope of application of valve；
2) product uses steel ball sealing version, seals relative to guiding valve and compares, and this seals the hydraulic lock phenomenon eliminating side valve type, seals relative to cone valve, and matching, interchangeability are good；The ball face sealing annulus of steel ball valve structure, close to linear, make product contamination resistance strengthen, leaks little；And switch is rapidly, be conducive to improving valve commutating frequency；
3) the double remaining of product electric part, its reliability is higher than the electromagnetic valve that single coil is constituted, by comparison, solenoid part be the electromagnetic valve form of double remaining form be that two groups of coils combine in a product, ensure that the resistance of two groups of coils, operating current and electromagnetic force are completely the same, two coils backup each other, when actuating coil breaks down, backup coil can be reinstated, it is achieved that the high reliability of electromagnetic valve.
4) high pressure 21MPa fuel oil, not higher than 6.3W power, electromagnetic valve weight is 9W less than 0.4kg. lowest power for conventional 12MPa fuel solenoid valve, greatly improves product reliability.
Accompanying drawing explanation
Fig. 1 is product structure sketch
Wherein, 1. lock nut 2. spring 3. spring base 4. steel ball valve 25. valve base 2 6. valve support 7. middle push rod 8. plug-in mounting housing 9. lower push rod 10. skeleton component 11. coil block 12. electric magnet outer housing 13. armature component 14. blocks up
Detailed description of the invention
1 the utility model is described in more detail below in conjunction with the accompanying drawings.
This product is two-position three way normally closed type, the seal form using steel ball structure.During power-off, hydraulic coupling acts on steel ball valve with the elastic force of reset compression spring, close entrance, opens oil return opening, makes control mouth connect with oil return opening；During energising, electromagnetic force overcomes bigger hydraulic coupling and less spring force to open entrance, close oil return opening, makes entrance connect with controlling mouth.
A kind of high pressure fuel electromagnetic valve, including magnet control part and machinery executable portion,
Described magnet control part includes electric magnet outer housing 12, skeleton component 10, coil block 11 armature component 13；
Described machinery executable portion includes plug-in mounting housing 8, lower push rod 9, middle push rod 7, steel ball valve 4, valve base 5, valve support 6, spring base 3, spring 2, lock nut 1；
Skeleton component 10 is made up of upper magnetic conductor, lower magnetic conductor, middle magnetism-isolating loop three part, and three parts are welded as a whole, and skeleton component 10 is internal arranges armature component 13 and stifled 14；Armature component 13 is made up of armature, push rod, and it is placed in skeleton component 10 inner chamber；Armature soft magnetic materials manufacture, push rod is with nonmagnetic stainless steel material manufacture；Push rod uses interference fit to be connected with armature coupling part；
Coil block 13 is made up of skeleton, coil, insulation spacer, and the coil being wrapped on skeleton is divided into interior loop and exterior loop, uses different size enamel-covered wire to be wound around, and two groups of coil resistance differences are in the range of ± 5%；
After electric magnet outer housing 12 loads skeleton component 10, using interference fit to be connected with skeleton component 10 shoulder position, product left end will stifled and skeleton component 10, electric magnet outer housing 12 axial restraint with sunk screw；
Plug-in mounting housing 8 internal carrying lower push rod 9, middle push rod 7, valve base 5, steel ball valve 4, valve support 6, spring base 3, spring 2, lock nut 1；Lock nut 1 uses with plug-in mounting housing 8 threadeds its inner body axial restraint；Plug-in mounting housing 8 and skeleton component 10 use three sunk screws to be connected and fixed.
Product uses steel ball sealing version, the structure that its functional realiey process is concrete is shown in Figure of abstract: during power-off, the P1 mouth hydraulic oil six side's apertures from lock nut 1 and and spring base 3 between gap enter product, now, the spring-force driven dual that hydraulic coupling and the spring 2 compressed produce is at right side steel ball valve 4 right-hand member, right side steel ball valve 4 is pushed at the aperture of right side valve base 5 by spring base 2 by hydraulic coupling, by middle push rod 7, lower push rod 9, left side steel ball valve 4 pushed away left side valve base 5 aperture, it is ensured that control mouth A and oil return opening P2 and connect；During energising, the electromagnetic force that coil produces overcomes the hydraulic coupling and return spring force acted on the steel ball valve 4 of right side, lower push rod 9, middle push rod 7 is promoted by armature component 13, left side steel ball valve 4 is pushed at valve base 5 aperture at oil return opening P2, seal valve base 4 aperture at oil return opening P2, right side steel ball valve is pushed away at valve base 5 aperture of right side simultaneously, now, entrance P1 can be realized and connect with A mouth.Product inlet P1 mouth at its low order end, performs mouth A mouth with oil return opening P2 mouth on housing circumference, for ensureing between each hydraulic fluid port seepage mutually, at rod rest two ends, plug-in mounting housing ensure sealing with skeleton connecting portion sealing ring.
Claims (1)
1. a high pressure fuel electromagnetic valve, it is characterised in that include magnet control part and machinery executable portion,
Described magnet control part includes electric magnet outer housing (12), skeleton component (10), coil block (11) armature component (13)；
Described machinery executable portion includes plug-in mounting housing (8), lower push rod (9), middle push rod (7), steel ball valve (4), valve base (5), valve support (6), spring base (3), spring (2), lock nut (1)；
Skeleton component (10) is made up of upper magnetic conductor, lower magnetic conductor, middle magnetism-isolating loop three part, and three parts are welded as a whole, and skeleton component (10) is internal arranges armature component (13) and stifled (14)；Armature component (13) is made up of armature, push rod, and it is placed in skeleton component (10) inner chamber；Armature soft magnetic materials manufacture, push rod is with nonmagnetic stainless steel material manufacture；Push rod uses interference fit to be connected with armature coupling part；
Coil block (13) is made up of skeleton, coil, insulation spacer, and the coil being wrapped on skeleton is divided into interior loop and exterior loop, uses different size enamel-covered wire to be wound around, and two groups of coil resistance differences are in the range of ± 5%；
After electric magnet outer housing (12) loads skeleton component (10), using interference fit to be connected with skeleton component (10) shoulder position, product left end will stifled and skeleton component (10), electric magnet outer housing (12) axial restraint with sunk screw；
Plug-in mounting housing (8) internal carrying lower push rod (9), middle push rod (7), valve base (5), steel ball valve (4), valve support (6), spring base (3), spring (2), lock nut (1)；Lock nut (1) uses with plug-in mounting housing (8) threadeds its inner body axial restraint；Plug-in mounting housing (8) and skeleton component (10) use three sunk screws to be connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027983.4U CN205478035U (en) | 2015-12-11 | 2015-12-11 | High pressure fuel solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027983.4U CN205478035U (en) | 2015-12-11 | 2015-12-11 | High pressure fuel solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478035U true CN205478035U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521027983.4U Active CN205478035U (en) | 2015-12-11 | 2015-12-11 | High pressure fuel solenoid valve |
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| CN (1) | CN205478035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654252A (en) * | 2017-10-11 | 2019-04-19 | 中国航发西安动力控制科技有限公司 | A kind of high pressure two-bit triplet pulse-width modulation digital quick solenoid valve |
| CN111691982A (en) * | 2020-05-25 | 2020-09-22 | 湖南航翔燃气轮机有限公司 | Fuel supply control valve and fuel supply system with same |
-
2015
- 2015-12-11 CN CN201521027983.4U patent/CN205478035U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654252A (en) * | 2017-10-11 | 2019-04-19 | 中国航发西安动力控制科技有限公司 | A kind of high pressure two-bit triplet pulse-width modulation digital quick solenoid valve |
| CN109654252B (en) * | 2017-10-11 | 2020-08-14 | 中国航发西安动力控制科技有限公司 | High-pressure two-position three-way pulse width modulation digital rapid electromagnetic valve |
| CN111691982A (en) * | 2020-05-25 | 2020-09-22 | 湖南航翔燃气轮机有限公司 | Fuel supply control valve and fuel supply system with same |
| CN111691982B (en) * | 2020-05-25 | 2021-07-23 | 湖南航翔燃气轮机有限公司 | Fuel supply control valve and fuel supply system with same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 130012 No. 567 Print-Rite Road, hi tech North Zone, Jilin, Changchun Patentee after: Chinese Hangfa Changchun Control Technology Co. Ltd. Address before: 130052 Jilin province Changchun Luyuan Qinglin Road No. 999 Patentee before: Changchun Aviation Hydraulic Control Co., Ltd. |