CN112648429A - Screw rod supporting steel ball valve sleeve combined electromagnetic valve structure - Google Patents
Screw rod supporting steel ball valve sleeve combined electromagnetic valve structure Download PDFInfo
- Publication number
- CN112648429A CN112648429A CN202011633804.7A CN202011633804A CN112648429A CN 112648429 A CN112648429 A CN 112648429A CN 202011633804 A CN202011633804 A CN 202011633804A CN 112648429 A CN112648429 A CN 112648429A
- Authority
- CN
- China
- Prior art keywords
- port
- steel ball
- valve
- valve sleeve
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000446 fuel Substances 0.000 claims abstract description 19
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000295 fuel oil Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
- F16K31/0634—Lift valves with fixed seats positioned between movable valve members
- F16K31/0637—Lift valves with fixed seats positioned between movable valve members with ball shaped valve members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/232—Fuel valves; Draining valves or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/056—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with ball-shaped valve members
Abstract
The utility model provides a hob supports steel ball valve barrel combination solenoid valve structure, relate to fuel solenoid valve (valve) design field, the structure of solving current solenoid valve is at the spring force, realize sealedly under electromagnetic force and hydraulic pressure's combined action, but there is the great problem of leakage quantity, by the hob subassembly, the steel ball, the ejector pin, the buting iron, electromagnet assembly, a socket, the dustcoat is constituteed, when the fuel flows in from the P mouth, under the effect of hydraulic pressure, the steel ball is pressed to the sealed drill way of the valve body, the fuel flows in the hob inner chamber from sealed clearance, it rotates to drive the hob, the fuel flows in T mouth along the helicla flute of hob at the pivoted in-process, form suction negative pressure effect to working port A, reach the zero effect of leaking of A mouth. In the same way, when the medium flows in from the port A, the zero leakage effect of the port T is achieved. The screw rod supporting steel ball combined electromagnetic valve structure achieves the purpose of reducing leakage or having no leakage through the rotation of the screw rod, and simultaneously reduces the processing precision of the valve.
Description
Technical Field
The invention relates to the field of design of fuel oil electromagnetic valves (valves), in particular to a novel electromagnetic valve structure.
Background
The fuel oil electromagnetic valve (valve) electromagnetic valve is mainly applied to a fuel oil control system of an aircraft engine, in the design process of the fuel oil electromagnetic valve (valve), the leakage quantity of the valve is an important index for checking the performance of the electromagnetic valve, and the structure of the general electromagnetic valve is mostly in a plane or conical surface form. The sealing is realized under the combined action of spring force, electromagnetic force and hydraulic pressure, but the leakage amount is larger, the leakage amount tends to increase along with the increase of the working time and times of products, the electromagnetic valve needs larger oil supply characteristic to realize the conversion function, the fuel supply of the system is greatly influenced, and secondly, the valve structure in the prior art has the defects of large processing difficulty, high precision, low qualification rate and increased required cost.
Disclosure of Invention
The invention provides a combined electromagnetic valve structure of a valve sleeve of a screw rod supporting steel ball, which aims to solve the problem that the structure of the existing electromagnetic valve realizes sealing under the combined action of spring force, electromagnetic force and hydraulic pressure, but has larger leakage.
A combined electromagnetic valve structure of a valve sleeve for supporting a steel ball by a spiral rod comprises an outer cover and a shell, wherein the shell is fixed with the outer cover; the electromagnet assembly, the armature assembly, the stop iron and the ejector rod are arranged in the outer cover; the left valve sleeve and the right valve sleeve are arranged in the shell and fixed on the valve seat, and the filter screen component is arranged at the end of the P port of the electromagnetic valve; the steel ball bearing also comprises a screw rod, a left steel ball and a tower-shaped spring;
when the electromagnetic valve is electrified, the armature component moves rightwards under the action of the force of the electromagnet component and is attracted with the stop iron, the left steel ball is attached to the left valve sleeve, the right valve sleeve is separated from the right steel ball, a channel between the left steel ball and the left valve sleeve is closed under the action of the ejector rod, and a channel between the right valve sleeve and the right steel ball is opened; the fuel medium enters the control cavity of the screw rod after being filtered by the filter screen component from the port P, so that the port A is communicated with the port P, and the port A and the port T are closed; meanwhile, the screw rod rotates under the pressure of fuel medium at the port P, and a suction negative pressure is formed in a cavity from the port A to the port T, so that the T port is ensured to be free of leakage while the on-off function is realized;
when the electromagnetic valve is powered off, the tower-shaped spring pushes the ejector rod to separate the armature component and the stop iron, at the moment, the right valve sleeve is attached to the right steel ball, the left steel ball is separated from the left valve sleeve, the right valve sleeve and the right steel ball channel are closed under the combined action of fuel medium pressure of the port P and the tower-shaped spring, the channel between the left valve sleeve and the left steel ball is opened, the port A is communicated with the port T, the spiral rod rotates under the action of the fuel medium pressure of the port A, suction negative pressure is formed by the cavity from the port A to the port P, and the port P is enabled to be free of leakage while the on.
The invention has the beneficial effects that: the screw rod supporting steel ball combined electromagnetic valve structure achieves the purpose of reducing leakage or having no leakage through the rotation of the screw rod, and simultaneously reduces the processing precision of the valve.
According to the electromagnetic valve structure, when fuel oil flows in from the P port, under the action of hydraulic pressure, the steel ball is pressed to the sealing hole opening of the valve body, the fuel oil flows into the screw rod control cavity from the sealing gap to drive the screw rod to rotate, the fuel oil flows into the T port along the spiral groove of the screw rod in the rotating process, a suction negative pressure effect is formed on the working port A, and the effect of zero leakage of the port A is achieved. In the same way, when the medium flows in from the port A, the zero leakage effect of the port T is achieved. The method has the following advantages:
(1) the invention adopts a screw rod supporting steel ball valve sleeve combined structure type for the fuel electromagnetic valve, and has the advantage of reducing the leakage rate of the electromagnetic valve and achieving zero leakage compared with the traditional straight rod steel ball type.
(2) The defect of large leakage of the electromagnetic valve adopting a plane sealing structure or a conical surface sealing structure is overcome, and the working reliability of the product and the stability of the system are improved.
(3) The defect that the traditional electromagnetic valve fails due to the fact that the middle plane or conical surface of the main valve is damaged in a sealing mode due to high-frequency switching can be effectively overcome.
(4) The electromagnetic valve main valve adopts the structural design, so that the working stability of the starting, converting and stopping functional modules in the fuel supply system can be improved, and the machining precision of the sealing holes in the traditional valve is reduced.
Drawings
FIG. 1 is a schematic structural view of a valve sleeve combined solenoid valve with a screw rod supporting steel ball according to the present invention;
fig. 2 is a structural schematic diagram of a double valve sleeve with a screw rod supporting a steel ball.
In the figure: 1. the device comprises an outer cover, 2, an electromagnet assembly, 3, an armature assembly, 4, a stop iron, 5, a push rod, 6, a left valve sleeve, 7, a shell, 8, a filter screen assembly, 9, a right valve sleeve, 10, a valve seat, 11, a screw rod, 12, a left steel ball, 13 and a tower-shaped spring.
Detailed Description
The present embodiment is described with reference to fig. 1 and fig. 2, and a screw rod supporting steel ball valve sleeve combined solenoid valve structure includes an outer cover 1, an electromagnet assembly 2, an armature assembly 3, a stop iron 4, a push rod 5, a left valve sleeve 6, a housing 7, a filter screen assembly 8, a right valve sleeve 9, a valve seat 10, a screw rod 11, a steel ball 12 and a tower-shaped spring 13;
when the electromagnetic valve is electrified, the armature component 3 overcomes the tower-shaped spring 13 to move rightwards under the action of the force of the electromagnet component 2 to attract the stop iron 4, a channel between the left steel ball and the left valve sleeve 6 is closed under the action of the ejector rod 5, a channel between the right valve sleeve 9 and the right steel ball is opened, a fuel medium enters a control cavity of the spiral rod 11 after being filtered by the filter screen component 8 from the port P, so that the port A is communicated with the port P, and the port A and the port T are closed; meanwhile, the screw rod 11 rotates under the pressure of fuel medium at the port P, and a suction negative pressure is formed in a cavity from the port A to the port T, so that the on-off function is realized according to the specified requirement, and the purpose of no leakage of the port T is ensured.
When the electromagnetic valve is powered off, the right valve sleeve 9 and the right steel ball channel are closed under the combined action of the fuel pressure of the port P and the tower-shaped spring 13, the channel of the left valve sleeve 6 and the left steel ball channel is opened, the port A is communicated with the port T, meanwhile, the spiral rod rotates under the action of the fuel medium pressure of the port A, and a suction negative pressure is formed by a cavity from the port A to the port P, so that the on-off function is realized, and the purpose of no leakage of the port P is also ensured.
In this embodiment, the screw rod 11 is not in the valve seat 10 and the length of the hole can not interfere with the steel ball seal of the hole opening. The left valve sleeve 6 and the right valve sleeve 9 are respectively fixed at the hole of the valve seat 10; the spiral rod 11 is in the narrow flow passage space of the steel ball and valve sleeve combination, and the spiral rod rotates due to the formation of vortex caused by the pressure change.
In the non-operating state (power-off state), the tower spring 13 is in a compressed state, the electromagnet assembly 2 is electrified to generate electromagnetic force, the direction of the compression force of the tower spring 13 is opposite, and the electromagnetic force is far larger than the spring force.
In the embodiment, in order to meet the practical application condition and facilitate medium circulation, the screw rod supporting steel ball valve sleeve combined structure is the design key. The electromagnetic valve structure reduces the leakage amount of an electromagnetic valve product or achieves the purpose of zero leakage, solves the problem of large leakage amount of a general electromagnetic valve product, has wider applicable range, stronger adaptability and higher working reliability, and provides reference basis for the design of the electromagnetic valve in future.
Claims (3)
1. A combined electromagnetic valve structure of a valve sleeve for supporting a steel ball by a spiral rod comprises an outer cover (1) and a shell (7), wherein the shell (7) is fixed with the outer cover (1); the electromagnet assembly (2), the armature assembly (3), the stop iron (4) and the ejector rod (5) are arranged in the outer cover (1); a left valve sleeve (6) and a right valve sleeve (9) which are arranged in the shell (7) and fixed on the valve seat (10), and a filter screen component (8) arranged at the P-port end of the electromagnetic valve;
the method is characterized in that: the steel ball crusher also comprises a screw rod (11), a left steel ball (12) and a tower-shaped spring (13);
when the electromagnetic valve is electrified, the armature component (3) moves rightwards under the action of the force of the electromagnet component (2) to be attracted with the stop iron (4), the left steel ball (12) is attached to the left valve sleeve (6), the right valve sleeve (9) is separated from the right steel ball, a channel between the left steel ball and the left valve sleeve (6) is closed under the action of the ejector rod (5), and a channel between the right valve sleeve (9) and the right steel ball is opened; the fuel medium enters a control cavity of a screw rod (11) after being filtered by a filter screen component (8) from a port P, so that the port A is communicated with the port P, and the port A is closed with a port T; meanwhile, the screw rod (11) rotates under the pressure action of the fuel medium at the port P, and a suction negative pressure is formed in a cavity leading from the port A to the port T, so that the T port is ensured to have no leakage while the on-off function is realized;
when the electromagnetic valve is powered off, the tower-shaped spring (13) pushes the ejector rod (5) to separate the armature component (3) and the stop iron (4), at the moment, the right valve sleeve (9) is attached to the right steel ball, the left steel ball (12) is separated from the left valve sleeve (6), the right valve sleeve (9) and the right steel ball channel are closed under the combined action of fuel medium pressure of the port P and the tower-shaped spring (13), the channel of the left valve sleeve (6) and the left steel ball is opened, the port A is communicated with the port T, the spiral rod rotates under the action of the fuel medium pressure of the port A, suction negative pressure is formed by a cavity leading from the port A to the port P, and the port P is enabled to be free of leakage while the on.
2. The solenoid valve structure of claim 1, wherein the solenoid valve structure comprises: the length of the screw rod (11) in the hole of the valve seat (10) cannot interfere with the sealing position of the steel ball at the hole of the valve seat (10) and the valve seat.
3. The solenoid valve structure of claim 1, wherein the solenoid valve structure comprises: the left valve sleeve (6) and the right valve sleeve (9) are respectively fixed at the hole of the valve seat (10); the spiral rod is in a narrow flow channel space of the steel ball valve sleeve combination, and the spiral rod rotates due to the fact that vortex is formed by pressure change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011633804.7A CN112648429B (en) | 2020-12-31 | 2020-12-31 | Screw rod supporting steel ball valve sleeve combined electromagnetic valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011633804.7A CN112648429B (en) | 2020-12-31 | 2020-12-31 | Screw rod supporting steel ball valve sleeve combined electromagnetic valve structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112648429A true CN112648429A (en) | 2021-04-13 |
| CN112648429B CN112648429B (en) | 2022-11-01 |
Family
ID=75366857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011633804.7A Active CN112648429B (en) | 2020-12-31 | 2020-12-31 | Screw rod supporting steel ball valve sleeve combined electromagnetic valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112648429B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1231069A (en) * | 1967-06-05 | 1971-05-05 | ||
| JPH08247024A (en) * | 1995-03-10 | 1996-09-24 | Silver Kk | Electromagnetic pump with cleaning air feed function |
| JP2005256922A (en) * | 2004-03-11 | 2005-09-22 | Kayaba Ind Co Ltd | Electromagnetic shock absorber |
| JP2009078657A (en) * | 2007-09-26 | 2009-04-16 | Toyota Motor Corp | Vehicular suspension system |
| CN102472216A (en) * | 2009-07-27 | 2012-05-23 | 株式会社京浜 | Electromagnetic fuel injection valve |
| CN103574131A (en) * | 2012-08-08 | 2014-02-12 | 株式会社鹭宫制作所 | Flow control valve |
| CN105697443A (en) * | 2016-04-29 | 2016-06-22 | 张作玮 | Pressure reducing valve |
| CN106917904A (en) * | 2015-12-24 | 2017-07-04 | 株式会社鹭宫制作所 | Valve gear |
| CN108131469A (en) * | 2017-12-20 | 2018-06-08 | 中国航发贵州红林航空动力控制科技有限公司 | The normally opened fuel solenoid valve of two-bit triplet |
| CN210770418U (en) * | 2019-11-08 | 2020-06-16 | 潍坊力创电子科技有限公司 | Two-position three-way electromagnetic directional valve |
-
2020
- 2020-12-31 CN CN202011633804.7A patent/CN112648429B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1231069A (en) * | 1967-06-05 | 1971-05-05 | ||
| JPH08247024A (en) * | 1995-03-10 | 1996-09-24 | Silver Kk | Electromagnetic pump with cleaning air feed function |
| JP2005256922A (en) * | 2004-03-11 | 2005-09-22 | Kayaba Ind Co Ltd | Electromagnetic shock absorber |
| JP2009078657A (en) * | 2007-09-26 | 2009-04-16 | Toyota Motor Corp | Vehicular suspension system |
| CN102472216A (en) * | 2009-07-27 | 2012-05-23 | 株式会社京浜 | Electromagnetic fuel injection valve |
| CN103574131A (en) * | 2012-08-08 | 2014-02-12 | 株式会社鹭宫制作所 | Flow control valve |
| CN106917904A (en) * | 2015-12-24 | 2017-07-04 | 株式会社鹭宫制作所 | Valve gear |
| CN105697443A (en) * | 2016-04-29 | 2016-06-22 | 张作玮 | Pressure reducing valve |
| CN108131469A (en) * | 2017-12-20 | 2018-06-08 | 中国航发贵州红林航空动力控制科技有限公司 | The normally opened fuel solenoid valve of two-bit triplet |
| CN210770418U (en) * | 2019-11-08 | 2020-06-16 | 潍坊力创电子科技有限公司 | Two-position three-way electromagnetic directional valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112648429B (en) | 2022-11-01 |
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