CN1203252C - High-speed large-flow clearence slide ralve - Google Patents
High-speed large-flow clearence slide ralve Download PDFInfo
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- CN1203252C CN1203252C CN 03115991 CN03115991A CN1203252C CN 1203252 C CN1203252 C CN 1203252C CN 03115991 CN03115991 CN 03115991 CN 03115991 A CN03115991 A CN 03115991A CN 1203252 C CN1203252 C CN 1203252C
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- valve
- valve core
- spool
- flow
- ports
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Abstract
The present invention discloses a high-speed large-flow clearance slide valve. Two clapping type electromagnets are symmetrically installed valve body cavities which are arranged on both ends of a valve core, and valve sleeve is sheathed outside the hollow valve core. One end of the valve core can engage and disengage from a clapping type electromagnet which is arranged on one end of the valve core, and the other end of the valve core is provided with a magnetic pole which can engage and disengage from a clapping type electromagnet which is arranged on the other end of the valve core. Non-circumferential seam-shaped valve ports with the same number, the same width and the same interval are respectively arranged on the matching surface of the valve core and the valve sleeve, and are communicated with an oil outlet of a valve body. The hollow valve core structure is adopted to reduce the quality of a moving component, and driving force for the movement of the valve core is generated by the clapping type electromagnets which are oppositely arranged. The energy availability rate of the electromagnets is high. That the valve ports adopt the structural styles of the seam-shaped valve ports reduces a moving distance when the valve core is opened and closed under the condition that flow quantity is guaranteed. Simultaneously, the seam-shaped valve ports can reduce the flow force of the valve ports. Consequently, the slide valve structure adopted by the present invention can improve the opening speed and the closing speed of the valve core with the precondition that certain flow quantity can be guaranteed.
Description
Technical field
The present invention relates to guiding valve, especially a kind of high-speed large-flow slit guiding valve.
Background technique
Along with motor is more and more higher to environmental protection and requirements of saving energy, high pressure common rail fuel injection system becomes the developing direction of engine fuel oil system gradually.High-speed large-flow valve as one of high pressure common rail fuel injection system core component becomes the focus that each side pays close attention to.Research and development for the high-speed large-flow valve mainly concentrate on the driving mode and valve port structure of spool.
Driving mode branch from spool: have electromagnet, magnetostriction materials or piezoelectric crystal material distortion to drive and the memory alloy material driving.It is to drive valve core movement by the micro-strain that special material produces under magnetic field or electric field action that magnetostriction materials or piezoelectric crystal material distortion drive.This driving mode need design displacement amplification device; And bad adaptability to temperature; Be not suitable for shaking violent occasion.Therefore not extensive use on motor of present this valve.The memory alloy actuating valve is the novel mechanism that just occurs recently, also in the experimental stage.Solenoid actuated is most widely used a kind of driving mode, and it is convenient that it has control, and the life-span is long, low cost of manufacture and steady performance.
Summary of the invention
The object of the present invention is to provide a kind of high-speed large-flow slit guiding valve.This guiding valve adopts slot-shaped valve port structure, and it is big to make that this guiding valve has a flow area, starts fast advantage.
The technical solution used in the present invention is: two beating type electromagnet symmetries are installed in the valve body chamber at hollow spool two ends, two beating type electromagnets are fixed with the attachment screw that is installed on the valve body respectively, spool is with valve pocket outward, valve pocket is fixed between valve body two chambeies with fastening screw trip bolt, one end of spool can with the clapper-type electromagnetic iron phase clutch of an end, the other end of spool is equipped with magnetic pole, link into an integrated entity with pin and spool, magnetic pole can with the clapper-type electromagnetic iron phase clutch of the other end; Have the slot-shaped valve port of on-circular of identical number, same widths, uniform distances on spool and the valve pocket fitting surface, valve port is communicated with the oil outlet of valve body.
Advantage of the present invention is: the present invention adopts the hollow spool structure to reduce the quality of moving element; By the driving force of opposed beating type electromagnet generation valve core movement, electromagnet capacity usage ratio height; Valve port adopts slit valve mouth structure form, under the situation of dependable flow, has reduced spool unlatching, the move distance when closing; Simultaneously this slit valve port can reduce the valve port power of surging.Therefore the sliding valve structure of the present invention's employing can improve the opening and closing speed of spool under the prerequisite that guarantees certain flow.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that spool of the present invention is at limit on the right-right-hand limit position closed condition figure;
Fig. 3 is that spool of the present invention is at limit on the left position opening state figure.
Embodiment
As shown in Figure 1, two beating type electromagnet symmetries are installed in valve body 1 chamber at hollow spool 8 two ends, two beating type electromagnets are fixing with the attachment screw 11 that is installed on the valve body respectively, the spool 8 outer valve pockets 6 that are with, valve pocket 6 usefulness fastening screw trip bolts 7 are fixed between 1 liang of chamber of valve body, an end of spool 8 can with the clapper-type electromagnetic iron phase clutch of an end, the other end of spool 8 is equipped with magnetic pole 4, link into an integrated entity with pin 5 and spool 8, magnetic pole 4 can with the clapper-type electromagnetic iron phase clutch of the other end; Have identical number on spool 8 and valve pocket 6 fitting surfaces, same widths, the slot-shaped valve port of the on-circular of uniform distances, valve port is communicated with the oil outlet of valve body 1.
The working principle of high-speed large-flow slit guiding valve is as follows:
1) limit on the right-right-hand limit position
When coil 3 energisings, on unshakable in one's determination 2, produce magnetic field, magnetic pole 4 is formed strong the suction-combining force; Meanwhile, coil 10 dead electricity, unshakable in one's determination 9 lose the effect in magnetic field, have only the residual field of iron core 9 that spool 8 is formed weak the suction-combining force.Valve core movement parts by spool 8, pin 5 and magnetic pole 4 are formed under the effect of two kinds of the suction-combining forces, slide to the right.Up to magnetic pole 4 with after unshakable in one's determination 2 contact, the stop motion of valve core movement parts.At this moment, coil 3 dead electricity, unshakable in one's determination 2 form weak the suction-combining force to magnetic pole 4 under the effect of residual field, and with the valve core movement positioning parts with 2 state of contact unshakable in one's determination.Valve pocket 6 nut 7 that is locked is fixed on the valve body 1, and when the valve core movement parts slided to the right in valve pocket 6, spool 8 reduced gradually with the aperture of valve pocket 6 on-circular slit valve ports, up to being 0.
Fig. 2 is exactly when the situation of valve core movement to the low order end limit position.At this moment, the slit valve port of the on-circular that the hydraulic oil of filler opening can not be by spool hollow-core construction and spool, valve pocket radially flows out valve pocket and arrives oil outlet.This moment, guiding valve was in closed condition.
2) limit on the left position
When coil 10 energisings, on unshakable in one's determination 9, produce magnetic field, spool 8 is formed strong the suction-combining force; Meanwhile, coil 3 dead electricity, unshakable in one's determination 2 lose the effect in magnetic field, have only the residual field of iron core 2 that magnetic pole 4 is formed weak the suction-combining force.Valve core movement parts by spool 8, pin 5 and magnetic pole 4 are formed under the effect of two kinds of the suction-combining forces, slide left.Up to spool 8 with after unshakable in one's determination 8 contact, the stop motion of valve core movement parts.At this moment, coil 10 dead electricity, unshakable in one's determination 9 form weak the suction-combining force to spool 8 under the effect of residual field, and with the valve core movement positioning parts with 9 state of contact unshakable in one's determination.Valve pocket 6 nut 7 that is locked is fixed on the valve body 1, and when the valve core movement parts slided left in valve pocket 6, spool 8 strengthened gradually with the aperture of valve pocket 6 on-circular slit valve ports, up to the slit valve port complete matching that is spool and valve pocket.
Fig. 3 is exactly when the situation of valve core movement to extreme leftmost end.At this moment, the slit valve port of the hydraulic oil of filler opening by the on-circular of spool hollow-core construction and spool, valve pocket radially flows out valve pocket and arrives oil outlet.This moment, guiding valve was in opening state.
From the above, only when the spool setting in motion, coil just begins; When valve core movement behind the limit position with regard to dead electricity, can improve the capacity usage ratio of electromagnet like this.In addition, electromagnet electric after, the suction-combining force of generation, except that a part is used to overcome the remanent magnetism power of opposed electromagnet, all the other all are used to drive spool; Spool adopts hollow-core construction simultaneously, reduces the quality of spool, therefore can make spool obtain bigger acceleration when motion.
The present invention adopts the slit valve mouth structure, can strengthen the total flow area of valve port by increasing valve port quantity.Under the certain situation of the total flow area of valve port, increase the quantity of slit valve port, can reduce the width of slit valve port, thereby reduce the move distance of spool, reach reduce that spool opens, closes the purpose of time.In addition, the valve port width reduces, the power of surging that produces in the time of can reducing liquid stream by valve port.
Claims (1)
1. high-speed large-flow slit guiding valve, it is characterized in that: two beating type electromagnet symmetries are installed in valve body (1) chamber at hollow spool (8) two ends, two beating type electromagnets are fixing with the attachment screw (11) that is installed on the valve body respectively, the outer valve pocket (6) that is with of spool (8), valve pocket (6) is fixed between valve body (1) two chamber with fastening screw trip bolt (7), one end of spool (8) can with the clapper-type electromagnetic iron phase clutch of an end, the other end of spool (8) is equipped with magnetic pole (4), link into an integrated entity with pin (5) and spool (8), magnetic pole (4) can with the clapper-type electromagnetic iron phase clutch of the other end; Have the slot-shaped valve port of on-circular of identical number, same widths, uniform distances on spool (8) and valve pocket (6) fitting surface, valve port is communicated with the oil outlet of valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03115991 CN1203252C (en) | 2003-03-24 | 2003-03-24 | High-speed large-flow clearence slide ralve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03115991 CN1203252C (en) | 2003-03-24 | 2003-03-24 | High-speed large-flow clearence slide ralve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1438417A CN1438417A (en) | 2003-08-27 |
| CN1203252C true CN1203252C (en) | 2005-05-25 |
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ID=27674157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03115991 Expired - Fee Related CN1203252C (en) | 2003-03-24 | 2003-03-24 | High-speed large-flow clearence slide ralve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1203252C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738039B (en) * | 2016-04-28 | 2018-01-09 | 安徽工业大学 | A kind of measurement apparatus and measuring method of the flowing of plunger copper sheathing inner loop shape gap |
| CN106439066B (en) * | 2016-12-08 | 2018-10-19 | 西诺威阀门控制（苏州）有限公司 | A kind of equal flows clearance type inlet and outlet based on lever drive |
| CN106499834B (en) * | 2016-12-08 | 2018-11-27 | 福州麦辽自动化设备有限公司 | One kind waiting flows clearance type inlet and outlet based on worm geared |
-
2003
- 2003-03-24 CN CN 03115991 patent/CN1203252C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1438417A (en) | 2003-08-27 |
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Granted publication date: 20050525 Termination date: 20150324 |
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