CN103089603A - Transverse-placing type electromagnetic control valve structure and regulation methods thereof - Google Patents
Transverse-placing type electromagnetic control valve structure and regulation methods thereof Download PDFInfo
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- CN103089603A CN103089603A CN2013100103696A CN201310010369A CN103089603A CN 103089603 A CN103089603 A CN 103089603A CN 2013100103696 A CN2013100103696 A CN 2013100103696A CN 201310010369 A CN201310010369 A CN 201310010369A CN 103089603 A CN103089603 A CN 103089603A
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- electromagnet
- valve seat
- spool
- armature
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Abstract
The invention discloses a transverse-placing type electromagnetic control valve structure and regulation methods thereof. The transverse-placing type electromagnetic control valve structure comprises a valve seat (1), a route regulation block (2), an electromagnet (3), an armature (4), a control valve core (5), an end face seal ring (6), an electromagnet binding post (7), a compression screw (8), a groove seal ring (9), a return spring (10), a regulation gasket (11) and a spring seat (12). The regulation methods of the transverse-placing type electromagnetic control valve structure comprise a regulation method of the route of the control valve core (5), a regulation method of a gap between the armature (4) and the electromagnet (3), and a regulation method of pretightening force of the return spring (10). The transverse-placing type electromagnetic control valve structure and the regulation methods thereof are applied to a diesel engine electronic unit pump and have the advantages of high response speed, good sealing reliability, regulation convenience and the like.
Description
Technical field
The invention belongs to the dynamic power machine technical field, be used for diesel electric-controlled monoblock pump, be specifically related to a kind of transverse Electromagnetic Control valve arrangement and adjusting method thereof.
Background technique
Solenoid electric valve cutting out and opening by control valve, control fuel feeding and the oil-break of electronically controlled unit pump, being the core parts of diesel electric-controlled monoblock pump, how realizing quick response, high pressure sealing and the convenient adjustment of solenoid electric valve, is the emphasis of solenoid electric valve element and structural design.
Conventional electromagnetic control valve of electronic control unit pump comprises 10 parts such as electromagnet, armature, housing screw (2 kinds), control spool, valve seat, spring, spring seat (2 kinds), adjustment block, adjustment are blocked up, pressing plate.This conventional structure has certain deficiency in design:
The first, spring, spring socket sleeve are contained in to be controlled on spool, has not only increased the moving-mass of control valve, becomes the unfavorable factor that improves the control valve speed of response, and the initial tension of spring adjustment is inconvenient, affects the adjustment convenience of solenoid electric valve;
The second, the return of controlling spool take a seat face and its high pressure sealing position close together are being controlled taking a seat moment that spool is closed and open, cause the local deformation of control spool large, are unfavorable for the high pressure sealing of solenoid electric valve and the functional reliability of part thereof;
The 3rd, adjust the stifled control valve inside of being assemblied in, cause and control spool stroke and adjust inconvenient.
Summary of the invention
The present invention is exactly the problem that exists in order to solve conventional electromagnetic control valve of electronic control unit pump, thereby propose a kind of electromagnet and be assemblied in the interior transverse Electromagnetic Control valve arrangement of valve seat, reaching in diesel electric-controlled monoblock pump is used, fast response time, the purpose that sealing reliability is good, easy to adjust.
Technological scheme of the present invention:
A kind of transverse Electromagnetic Control valve arrangement, comprise valve seat, be used for adjusting stroke adjustment block, electromagnet, armature, control spool, end-face seal ring, electromagnet wiring terminal, housing screw, groove seal ring, return spring, adjustment pad, the spring seat of controlling spool stroke, wherein, electromagnet is circle or square structure; Armature is circle or the square structure supporting with electromagnet, and is provided with the hole that reduces resistance; Controlling spool is the inner hollow structure that makes valve seat both sides low pressure oil pocket connection; The periphery scribbles the electromagnet of retaining rubber, press-fits with the valve seat inner interference in left side to be connected; Vertically the electromagnet wiring terminal of valve seat orifice is passed in assembling, is connected with electromagnet; The mesopore inwall scribbles the armature of retaining rubber, press-fits with the interference of control spool left part to be connected or the laser bonding connection, forms both assemblying bodys; Successively pass both assemblying bodys of electromagnet endoporus, valve seat cross-drilled hole, be connected with valve seat with the Placement of horizontal insertion; End-face seal ring is positioned at valve seat left side groove; Stroke adjustment block and valve seat left hand external are fixedly connected with by housing screw; The groove seal ring is positioned at the spring seat groove with the suit Placement, and return spring is positioned on spring seat with the suit Placement, and groove seal ring, return spring, spring seat three assemblying body are fixedly connected with the valve seat right side by housing screw; Be provided with back oil road, oil input channel, oil duct, oil storage annular groove in valve seat; Be provided with plunger in valve seat; Be provided with oil duct in the stroke adjustment block; The control valve in-core is provided with mesopore, oilhole; When electromagnet was in off-position, the gap was being controlled between spool and valve seat; The high pressure sealing diameter of controlling the spool conical surface is identical with the numerical value of right side guide cylinder diameter; The diameter of controlling spool is 5～10mm, and stroke is 0.15～0.2mm; Electromagnetic attraction 〉=180N that electromagnet and armature produce when ultimate range; Armature is 0.005～0.01mm with the magnitude of interference of controlling spool, and retaining rubber is happy safe 609 glue; The magnitude of interference of electromagnet and valve seat is 0.005～0.01mm, and retaining rubber is happy safe 609 glue; Gap between the guiding circumference of control spool cylindrical and valve seat is 0.002～0.004mm; The gap of controlling between spool cylindrical and electromagnet endoporus is 0.02～0.04mm; The armature material is electromagnetic pure iron DT4C, and the control valve core material is Rapid Tool Steel W6Mo5Cr4V2, and seat material is 40CrMnMo, and other part materials are conventional material; Control spool and be positioned at valve seat, both cone shape high pressure sealing position is positioned in the middle of two cylinders guiding positions, and the conical surface angle of controlling spool high pressure sealing position is 138 ° ± 0.5 °, and the conical surface angle at valve seat high pressure sealing position is 140 ° ± 0.5 °.
The adjusting method of this transverse Electromagnetic Control valve arrangement, comprise the clearance adjustment method between adjusting method, armature and the electromagnet of controlling spool stroke, the adjusting method of return spring pretightening force, concrete grammar is as follows, a. control the adjusting method of spool stroke: will control spool and be close to after on valve seat, measurement valve seat left side is to the distance L 1 of controlling the spool left side, measure the thickness size L2 of stroke adjustment block, the stroke of controlling spool equals L1-L2, adjust by the size L2 to the stroke adjustment block, will control spool stroke and be adjusted in scope of design; B. the clearance adjustment method between armature and electromagnet: will control spool and be close to after on valve seat, measure to control the distance L 3 of the location end face to the valve seat of positioning table terrace on spool, measure the thickness size L4 of electromagnet, gap between armature and electromagnet equals L3-L4, adjust by the thickness size L4 to electromagnet, the gap between armature and electromagnet is adjusted in scope of design; C. the adjusting method of return spring pretightening force: by spring seat and the pad adjustment of controlling the spool right side, the different-thickness of adjusting pad by selection is adjusted the pretightening force of return spring.
Beneficial effect of the present invention:
The present invention is applied in diesel electric-controlled monoblock pump, has the characteristics such as fast response time, sealing reliability be good, easy to adjust, specifically comprises following beneficial effect:
1. control valve adopts the high and low pressure hydraulic balance structure, reduces flowed friction; Spring and spring seat are positioned to be controlled outside spool, reduces the movement parts inertial mass, comprehensively improves the control valve speed of response; Have less movement parts inertial mass, under identical dynamic response time requires, reduce the requirement to electromagnet;
2. adjust stifled and spring seat and be placed in that to control spool outside, make the adjustment of control valve stroke and initial tension of spring convenient, be beneficial to the inhomogeneity adjustment of electronically controlled unit pump fuel delivery;
Spool take a seat face and the high pressure sealing position distant, structure is more reasonable, can reduce control valve close with opening procedure in local deformation, improve reliability;
4. valve core structure is simple, and part section changes little, can effectively reduce the part difficulty of processing;
5. electromagnet is built in valve seat, by the diesel oil that flows, electromagnet is cooled, and is beneficial to the reliability that improves electromagnet.
Description of drawings
Fig. 1 is structural representation of the present invention, is the transverse solenoid electric valve structural representation of diesel electric-controlled monoblock pump;
Fig. 2 is that schematic diagram is adjusted in the gap of controlling between spool stroke, armature and electromagnet;
Fig. 3 is the oil-filled route schematic diagram of low-voltage fuel;
Fig. 4 is the fuel feeding route schematic diagram of high pressure fuel;
Fig. 5 is the oil-break route schematic diagram of high pressure fuel;
Each mark of accompanying drawing represents respectively:
The 1-valve seat
2-stroke adjustment block
The 3-electromagnet
4-armature
5-controls spool
The 6-end-face seal ring
7-electromagnet wiring terminal
The 8-housing screw
9-groove seal ring
The 10-return spring
11-adjusts pad
The 12-spring seat
The 13-plunger (in the valve seat oil duct)
14-back oil road (valve seat)
15-oil input channel (valve seat)
16-oil duct (valve seat)
17-oil duct (the stroke adjustment block)
18-mesopore (the control spool)
19-oilhole (the control spool)
20-gap (control spool and valve base chamber)
21-oil storage annular groove (valve seat)
Embodiment
Below in conjunction with accompanying drawing, workflow of the present invention is further described.
the Oil feeding process of fuel admission valve seat oil pocket: when electromagnet is in off-position, controlling spool is being close under the return spring effect on the stroke adjustment block, control spool and valve seat and form the gap, has the low-voltage fuel of certain pressure through the oil input channel of valve seat from motor, the oil duct of stroke adjustment block, control the mesopore of spool, control the oilhole of spool, the gap of the oil storage annular groove of valve seat and control spool and valve seat enters the oil duct of valve seat, Fuel Remained flows back to fuel tank by the back oil road of the middle aperture valve seat of control spool, at this moment fuel oil is completed the Oil feeding process that enters the valve seat oil pocket,
The pressurization of fuel oil and fuel feeding process: electromagnet is passed into electric current, be in "on" position, the electromagnetic attraction that electromagnet and armature produce, overcome the spring force of return spring, will control spool and be close on valve seat, the gap is eliminated, fuel oil and low-voltage fuel in the oil duct of valve seat are completely cut off, fuel oil in the oil duct of valve seat is pressurized under the plunger compression, and the fuel oil after pressurization enters high-pressure oil pipe through the outlet of the oil duct of valve seat, completes pressurization and the fuel feeding process of fuel oil;
The oil-break process of fuel oil: when the electric current that passes into electromagnet is cut off, electromagnet is in off-position again, between electromagnet and armature, electromagnetic attraction disappears, controlling spool is being close under the spring-force driven dual of return spring again on the stroke adjustment block, gap between formation control spool and valve seat again, high pressure fuel flows back to fuel tank through the oil duct of valve seat, gap, oil storage annular groove, oilhole and mesopore, the valve seat back oil road of controlling spool, completes the oil-break process of fuel oil.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (2)
1. transverse Electromagnetic Control valve arrangement, comprise valve seat (1), be used for adjusting stroke adjustment block (2), electromagnet (3), armature (4), control spool (5), end-face seal ring (6), electromagnet wiring terminal (7), housing screw (8), groove seal ring (9), return spring (10), adjustment pad (11), the spring seat (12) of controlling spool stroke, it is characterized in that, electromagnet (3) is circle or square structure; Armature (4) is circle or the square structure supporting with electromagnet (3), and is provided with the hole that reduces resistance; Control spool (5) for making the inner hollow structure of valve seat (1) both sides low pressure oil pocket connection;
The periphery scribbles the electromagnet (3) of retaining rubber, press-fits with valve seat (1) the inner interference in left side to be connected; Vertically the electromagnet wiring terminal (7) in valve seat (1) hole is passed in assembling, is connected with electromagnet (3);
The mesopore inwall scribbles the armature (4) of retaining rubber, press-fits with the left part interference of control spool (5) to be connected or the laser bonding connection, forms both assemblying bodys; Successively pass both assemblying bodys of electromagnet (3) endoporus, valve seat (1) cross-drilled hole, be connected with Placement and the valve seat (1) of horizontal insertion;
End-face seal ring (6) is positioned at valve seat (1) left side groove; Stroke adjustment block (2) and valve seat (1) left hand external are fixedly connected with by housing screw (8); Groove seal ring (9) is positioned at spring seat (12) groove with the suit Placement, return spring (10) is positioned on spring seat (12) with the suit Placement, groove seal ring (9), return spring (10), spring seat (12) three's assemblying body are fixedly connected with valve seat (1) right side by housing screw (8);
Be provided with back oil road (14), oil input channel (15), oil duct (16), oil storage annular groove (21) in valve seat (1); Be provided with plunger (13) in oil duct (16); Be provided with oil duct (17) in stroke adjustment block (2); Control in spool (5) and be provided with mesopore (18), oilhole (19); When being in off-position, gap (20) are positioned at and control between spool (5) and valve seat (1) when electromagnet (3);
The high pressure sealing diameter of controlling spool (5) conical surface is identical with the numerical value of right side guide cylinder diameter; The diameter of controlling spool (5) is 5～10mm, and stroke is 0.15～0.2mm; Electromagnetic attraction 〉=180N that electromagnet (3) and armature (4) produce when ultimate range;
Armature (4) is 0.005～0.01mm with the magnitude of interference of controlling spool (5), and retaining rubber is happy safe 609 glue; Electromagnet (3) is 0.005～0.01mm with the magnitude of interference of valve seat (1), and retaining rubber is happy safe 609 glue; Gap between the guiding circumference of control spool (5) cylindrical and valve seat (1) is 0.002～0.004mm; The gap of controlling between spool (5) cylindrical and electromagnet (3) endoporus is 0.02～0.04mm;
Armature (4) material is electromagnetic pure iron DT4C, and controlling spool (5) material is Rapid Tool Steel W6Mo5Cr4V2, and valve seat (1) material is 40CrMnMo, and other part materials are conventional material;
Control spool (5) and be positioned at valve seat (1), both cone shape high pressure sealing position is positioned in the middle of two cylinders guiding positions, the conical surface angle of controlling spool (5) high pressure sealing position is 138 ° ± 0.5 °, and the conical surface angle at valve seat (1) high pressure sealing position is 140 ° ± 0.5 °.
2. the adjusting method of transverse Electromagnetic Control valve arrangement as claimed in claim 1, it is characterized in that, comprise the clearance adjustment method between adjusting method, armature (4) and the electromagnet (3) of controlling spool (5) stroke, the adjusting method of return spring (10) pretightening force, concrete grammar is as follows
A. control the adjusting method of spool (5) stroke: will control spool (5) and be close to after valve seat (1) is upper, measurement valve seat (1) left side is to the distance L 1 of controlling spool (5) left side, measure the thickness size L2 of stroke adjustment block (2), the stroke of controlling spool equals L1-L2, adjust by the size L2 to stroke adjustment block (2), will control spool stroke and be adjusted in scope of design;
B. the clearance adjustment method between armature (4) and electromagnet (3): will control spool (5) and be close to after valve seat (1) is upper, measure and control the upper positioning table terrace of spool (5) to the interior distance L 3 of locating end face of valve seat (1), measure the thickness size L4 of electromagnet (3), gap between armature and electromagnet equals L3-L4, adjust by the thickness size L4 to electromagnet (3), the gap between armature and electromagnet is adjusted in scope of design;
C. the adjusting method of return spring (10) pretightening force: adjusted by spring seat (12) and the pad (11) of controlling spool (5) right side, the different-thickness of adjusting pad (11) by selection is adjusted the pretightening force of return spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010369.6A CN103089603B (en) | 2013-01-11 | 2013-01-11 | A kind of transverse-placing type electromagnetic control valve structure and its method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010369.6A CN103089603B (en) | 2013-01-11 | 2013-01-11 | A kind of transverse-placing type electromagnetic control valve structure and its method of adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103089603A true CN103089603A (en) | 2013-05-08 |
| CN103089603B CN103089603B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310010369.6A Active CN103089603B (en) | 2013-01-11 | 2013-01-11 | A kind of transverse-placing type electromagnetic control valve structure and its method of adjustment |
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| CN (1) | CN103089603B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214032A (en) * | 2014-04-09 | 2014-12-17 | 中国北方发动机研究所 | Longitudinally-placed normally-closed type electromagnetic control valve structure |
| CN107143448A (en) * | 2017-06-30 | 2017-09-08 | 南岳电控（衡阳）工业技术股份有限公司 | Miniature air-cooling single cylinder diesel engine fuel oil sprays single cylinder electric control pump |
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| CN1040420A (en) * | 1989-05-19 | 1990-03-14 | 刘长年 | Multifunctional floating pressure control valve |
| CN2237157Y (en) * | 1995-11-07 | 1996-10-09 | 鞍山市盛尧电子仪器仪表有限公司 | Spring pneumatic electromagnetic valve |
| JPH0968158A (en) * | 1995-08-31 | 1997-03-11 | Nippon Control Kogyo Kk | Electromagnetic pump |
| JP2000274326A (en) * | 1999-03-23 | 2000-10-03 | Nachi Fujikoshi Corp | High pressure plunger pump |
| CN2714829Y (en) * | 2004-06-14 | 2005-08-03 | 上海云飞自动化设备有限公司 | Split electric control monoblock fuel-injection pump for diesel engine |
| CN201013504Y (en) * | 2006-12-07 | 2008-01-30 | 亚新科南岳（衡阳）有限公司 | Diesel engine fuel injection electric control unit pump |
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2013
- 2013-01-11 CN CN201310010369.6A patent/CN103089603B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040420A (en) * | 1989-05-19 | 1990-03-14 | 刘长年 | Multifunctional floating pressure control valve |
| JPH0968158A (en) * | 1995-08-31 | 1997-03-11 | Nippon Control Kogyo Kk | Electromagnetic pump |
| CN2237157Y (en) * | 1995-11-07 | 1996-10-09 | 鞍山市盛尧电子仪器仪表有限公司 | Spring pneumatic electromagnetic valve |
| JP2000274326A (en) * | 1999-03-23 | 2000-10-03 | Nachi Fujikoshi Corp | High pressure plunger pump |
| CN2714829Y (en) * | 2004-06-14 | 2005-08-03 | 上海云飞自动化设备有限公司 | Split electric control monoblock fuel-injection pump for diesel engine |
| CN201013504Y (en) * | 2006-12-07 | 2008-01-30 | 亚新科南岳（衡阳）有限公司 | Diesel engine fuel injection electric control unit pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214032A (en) * | 2014-04-09 | 2014-12-17 | 中国北方发动机研究所 | Longitudinally-placed normally-closed type electromagnetic control valve structure |
| CN107143448A (en) * | 2017-06-30 | 2017-09-08 | 南岳电控（衡阳）工业技术股份有限公司 | Miniature air-cooling single cylinder diesel engine fuel oil sprays single cylinder electric control pump |
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| CN103089603B (en) | 2017-03-01 |
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