CN203685443U - Split proportional magnetic valve for common rail pump - Google Patents
Split proportional magnetic valve for common rail pump Download PDFInfo
- Publication number
- CN203685443U CN203685443U CN201420058337.3U CN201420058337U CN203685443U CN 203685443 U CN203685443 U CN 203685443U CN 201420058337 U CN201420058337 U CN 201420058337U CN 203685443 U CN203685443 U CN 203685443U
- Authority
- CN
- China
- Prior art keywords
- housing
- push rod
- interference fit
- pole shoe
- valve body
- 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.)
- Expired - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 title abstract description 7
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 4
- 239000000446 fuel Substances 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000000386 athletic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a proportional magnetic valve, in particular to a split proportional magnetic valve for a common rail pump and belongs to the technical field of magnetic valves. The split proportional magnetic valve comprises a housing, wherein a push rod is arranged in the housing, the upper and lower ends of the push rod are respectively supported and installed in the housing and a pole shoe through an upper sliding bearing and a lower sliding bearing, the upper sliding bearing is in interference fit with the housing, the lower sliding bearing is in interference fit with the pole shoe, and an armature is in interference fit with the push rod. A guiding sleeve is arranged in the housing, is in interference fit with the housing and located on an outer ring of the push rod, and the push rod can axially move along the guiding sleeve. A coil is arranged between the guiding sleeve and the inner side wall of the housing. A valve body is arranged in the pole shoe, a spring seat is arranged in the valve body and in interference fit with the valve body. The split proportional magnetic valve can accurately control flows fed into the common rail pump, accordingly ensures required pressure regulation of a common rail system and can reduce engine emission and improve fuel economy and dynamic property.
Description
Technical field
The utility model relates to a kind of proportional electromagnetic valve, and a kind of split type proportional electromagnetic valve of rail pump altogether, belongs to Solenoid Valve Technology field specifically.
Background technique
High voltage common rail pump in diesel engine high-pressure co-rail system can provide high pressure fuel for system according to demand.The pressure control function of common rail system is controlled realization by the proportional electromagnetic valve being arranged on common rail pump.Proportional electromagnetic valve can be according to the size of controlling electric current, adjust the aperture of its valve port, realize and control the flow that enters high pressure oil pump, therefore common rail system can be adjusted by demand the size of jet pressure, reach Optimizing Combustion, reduce the advantage of seniority among brothers and sisters and raising fuel economy.
Proportional electromagnetic valve is accurately controlled the oil mass that enters high pressure oil pump, and the performance of whole common rail system is had to very important impact.Existing rail pump proportional electromagnetic valve altogether, structure and technique more complicated, adopt armature to support as one end conventionally, and because armature is soft magnetic material, therefore armature outer surface must be used plating hardened layer technique, with high costs; The valve body of solenoid valve valve front portion, as the extension of armature, owing to being also soft magnetic material, also needs coating simultaneously, and therefore the friction factor of movement parts is large, and it is unfavorable, simultaneously with high costs that valve is accurately controlled.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, thereby a kind of split type proportional electromagnetic valve of rail pump is altogether provided, and can accurately control the flow that enters common rail pump, thereby guarantees that the pressure of common rail system regulates as required; The discharge of motor be can reduce, fuel economy and power character improved.
The technological scheme providing according to the utility model, rail pump comprises housing with split type proportional electromagnetic valve altogether, housing lower end connects pole shoe, pole shoe and housing are interference fit, it is characterized in that: in housing, be provided with push rod, push rod upper and lower end is supported respectively and is arranged in housing, pole shoe by upper sliding bearing, properties of journal bearing lubricated, and upper sliding bearing and housing are interference fit, properties of journal bearing lubricated and pole shoe are interference fit, and on push rod, interference fit connects armature; In described housing, be provided with guide pin bushing, guide pin bushing and housing are interference fit, and guide pin bushing is positioned at the outer ring of push rod, and push rod can be along guide pin bushing axial motion; Between guide pin bushing and housing madial wall, be provided with coil; In pole shoe, be provided with valve body, be provided with spring seat in valve body, spring seat and valve body are interference fit; In valve body, be provided with spool, spool can push rod promote under axial motion in valve body; Between spool and spring seat, be provided with Flow valve spring; In described valve body, be provided with radial flow metering-orifice, in spring seat, be provided with axial flow metering-orifice.
Further, armature is provided with the through hole of up/down perforation.
Further, in pole shoe, be provided with magnetism resistent ring towards armature one side.
Further, between housing and coil, be provided with an O RunddichtringO.
Further, between pole shoe and coil, be provided with the 2nd O RunddichtringO.
Compared with the prior art the utility model has the following advantages:
The utility model is simple in structure, compact, reasonable, and debugging is convenient, and production technology is simple; Adopt that split type by pole shoe and valve body separately valve body can adopt the wear-resisting alloyed steel that is different from pole shoe, avoid integral valve body to adopt soft magnetic material and the coating that needs; Adopt the support of two sliding bearings as movement parts before and after push rod, avoid on armature coating as support; Can accurately control the flow that enters common rail pump, thereby guarantee that the pressure of common rail system regulates as required; The discharge of motor be can reduce, fuel economy and power character improved.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
The upper sliding bearing of description of reference numerals: 1-, 2-housing, 3-guide pin bushing, 4-coil, 5-armature, 6-push rod, 7-pole shoe, 8-properties of journal bearing lubricated, 9-valve body, 10-the one O RunddichtringO, 11-magnetism resistent ring, 12-the 2nd O RunddichtringO, 13-spool, 14-Flow valve spring, 15-spring seat, 16-radial flow metering-orifice, 17-axial flow metering-orifice.
Embodiment
The utility model is further described in connection with the embodiment in accompanying drawing below:
As shown in Figure 1, the utility model mainly comprises housing 2, and housing 2 lower ends connect pole shoe 7, and pole shoe 7 is interference fit with housing 2.In housing 2, be provided with push rod 6, push rod 6 upper and lower end are supported and are arranged in housing 2, pole shoe 7 respectively by upper sliding bearing 1, properties of journal bearing lubricated 8.Described upper sliding bearing 1 is interference fit with housing 2, and properties of journal bearing lubricated 8 is interference fit with pole shoe 7.On push rod 6, interference fit connects armature 5, and armature 5 is provided with the through hole of up/down perforation, can keep its front and back pressure balance.
In described housing 2, be provided with guide pin bushing 3, guide pin bushing 3 is interference fit with housing 2, and guide pin bushing 3 is positioned at the outer ring of push rod 6, and push rod 6 can be along guide pin bushing 3 axial motions.Between guide pin bushing 3 and housing 2 madial walls, be provided with coil 4.
In pole shoe 7, be provided with valve body 9, be provided with spring seat 15 in valve body 9, spring seat 15 is interference fit with valve body 9.In valve body 9, be provided with spool 13, spool 13 can be in the interior axial motion of valve body 9 under push rod 6 promotes.Between spool 13 and spring seat 15, be provided with Flow valve spring 14.
In described valve body 9, be provided with radial flow metering-orifice 16, in spring seat 15, be provided with axial flow metering-orifice 17.Fuel oil enters from radial flow metering-orifice 16, flows out through axial flow metering-orifice 17.The athletic meeting of spool 13 in valve body 9 makes spool 13 sides cover the part area of radial flow metering-orifice 16, thereby regulates the flow that enters proportional electromagnetic valve.
In described pole shoe 7, be provided with magnetism resistent ring 11 towards armature 5 one sides, magnetism resistent ring 11 plays separated magnetic effect.
Between described housing 2 and coil 4, be provided with an O RunddichtringO 10, strengthen the seal degree between housing 2 and coil 4 by an O RunddichtringO 10.
Between described pole shoe 7 and coil 4, be provided with the 2nd O RunddichtringO 12, strengthen the seal degree between pole shoe 7 and coil 4 by the 2nd O RunddichtringO 12.
Working principle of the present utility model is: when work, control electric current and be defeated by after coil 4, armature 5 outputs and the directly proportional electromagnetic force of electric current, are applied on spool 13 by push rod 6.Spool 13 is subject to the effect of Flow valve spring 14 simultaneously, electromagnetic force and spring force make spool 13 be equilibrated at certain position, in the time changing the electric current of coil 4, the corresponding change of electromagnetic force of armature 5, spool 13 moves to corresponding equinoctial point, the athletic meeting of spool 13 changes the area that covers radial flow metering-orifice 16, thereby changes the circulation area of radial flow metering-orifice 16, plays the effect of adjust flux.
Claims (5)
1. one kind is total to the split type proportional electromagnetic valve of rail pump, comprise housing (2), housing (2) lower end connects pole shoe (7), pole shoe (7) is interference fit with housing (2), it is characterized in that: in housing (2), be provided with push rod (6), push rod (6) upper and lower end is by upper sliding bearing (1), properties of journal bearing lubricated (8) supports respectively and is arranged on housing (2), in pole shoe (7), upper sliding bearing (1) is interference fit with housing (2), properties of journal bearing lubricated (8) is interference fit with pole shoe (7), the upper interference fit of push rod (6) connects armature (5), in described housing (2), be provided with guide pin bushing (3), guide pin bushing (3) is interference fit with housing (2), and guide pin bushing (3) is positioned at the outer ring of push rod (6), and push rod (6) can be along guide pin bushing (3) axial motion, between guide pin bushing (3) and housing (2) madial wall, be provided with coil (4), in pole shoe (7), be provided with valve body (9), be provided with spring seat (15) in valve body (9), spring seat (15) is interference fit with valve body (9), in valve body (9), be provided with spool (13), spool (13) can push rod (6) promote under axial motion in valve body (9), between spool (13) and spring seat (15), be provided with Flow valve spring (14), in described valve body (9), be provided with radial flow metering-orifice (16), in spring seat (15), be provided with axial flow metering-orifice (17).
2. the split type proportional electromagnetic valve of rail pump altogether as claimed in claim 1, is characterized in that: described armature (5) is provided with the through hole of up/down perforation.
3. the split type proportional electromagnetic valve of rail pump altogether as claimed in claim 1, is characterized in that: in described pole shoe (7), be provided with magnetism resistent ring (11) towards armature (5) one sides.
4. the split type proportional electromagnetic valve of rail pump altogether as claimed in claim 1, is characterized in that: between described housing (2) and coil (4), be provided with an O RunddichtringO (10).
5. the split type proportional electromagnetic valve of rail pump altogether as claimed in claim 1, is characterized in that: between described pole shoe (7) and coil (4), be provided with the 2nd O RunddichtringO (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058337.3U CN203685443U (en) | 2014-02-07 | 2014-02-07 | Split proportional magnetic valve for common rail pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058337.3U CN203685443U (en) | 2014-02-07 | 2014-02-07 | Split proportional magnetic valve for common rail pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685443U true CN203685443U (en) | 2014-07-02 |
Family
ID=51007355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420058337.3U Expired - Lifetime CN203685443U (en) | 2014-02-07 | 2014-02-07 | Split proportional magnetic valve for common rail pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685443U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564462A (en) * | 2014-12-31 | 2015-04-29 | 无锡威孚马山油泵油嘴有限公司 | Pole shoe mounting structure using electromagnetic effect to control oil quantity |
| CN106352146A (en) * | 2016-10-10 | 2017-01-25 | 合肥协力液压科技有限公司 | Electromagnetic proportion valve |
| CN106352147A (en) * | 2016-10-10 | 2017-01-25 | 合肥协力液压科技有限公司 | Electromagnetic sandwich valve |
| CN106382388A (en) * | 2016-10-10 | 2017-02-08 | 合肥协力液压科技有限公司 | Electromagnetic proportional valve |
| CN106439169A (en) * | 2016-11-02 | 2017-02-22 | 上海空间推进研究所 | Sleeve type electromagnetic valve |
| CN106593731A (en) * | 2017-01-22 | 2017-04-26 | 无锡威孚高科技集团股份有限公司 | Proportional flow valve for high pressure common rail pump of diesel engine |
| CN106762301A (en) * | 2017-01-22 | 2017-05-31 | 无锡威孚高科技集团股份有限公司 | The split type proportional flow control valve of diesel oil high voltage common rail pump |
| CN107989729A (en) * | 2017-12-21 | 2018-05-04 | 无锡索立诺德科技有限公司 | A kind of fuel metering valve |
| CN110454306A (en) * | 2019-09-09 | 2019-11-15 | 思达耐精密机电（常熟）有限公司 | A kind of stagnant ring proportion magnetic valve of low discharge |
| CN111779840A (en) * | 2020-06-22 | 2020-10-16 | 江苏申氢宸科技有限公司 | Novel electromagnetic valve |
-
2014
- 2014-02-07 CN CN201420058337.3U patent/CN203685443U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564462A (en) * | 2014-12-31 | 2015-04-29 | 无锡威孚马山油泵油嘴有限公司 | Pole shoe mounting structure using electromagnetic effect to control oil quantity |
| CN106352146A (en) * | 2016-10-10 | 2017-01-25 | 合肥协力液压科技有限公司 | Electromagnetic proportion valve |
| CN106352147A (en) * | 2016-10-10 | 2017-01-25 | 合肥协力液压科技有限公司 | Electromagnetic sandwich valve |
| CN106382388A (en) * | 2016-10-10 | 2017-02-08 | 合肥协力液压科技有限公司 | Electromagnetic proportional valve |
| CN106439169A (en) * | 2016-11-02 | 2017-02-22 | 上海空间推进研究所 | Sleeve type electromagnetic valve |
| CN106593731A (en) * | 2017-01-22 | 2017-04-26 | 无锡威孚高科技集团股份有限公司 | Proportional flow valve for high pressure common rail pump of diesel engine |
| CN106762301A (en) * | 2017-01-22 | 2017-05-31 | 无锡威孚高科技集团股份有限公司 | The split type proportional flow control valve of diesel oil high voltage common rail pump |
| CN107989729A (en) * | 2017-12-21 | 2018-05-04 | 无锡索立诺德科技有限公司 | A kind of fuel metering valve |
| CN110454306A (en) * | 2019-09-09 | 2019-11-15 | 思达耐精密机电（常熟）有限公司 | A kind of stagnant ring proportion magnetic valve of low discharge |
| CN111779840A (en) * | 2020-06-22 | 2020-10-16 | 江苏申氢宸科技有限公司 | Novel electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171116 Address after: 214028 Wuxi New District, Jiangsu, Huashan Road, No. 5 Patentee after: WUXI WEIFU HIGH-TECHNOLOGY Co.,Ltd. Address before: 214028 No. 8, Huashan Road, New District, Jiangsu, Wuxi Co-patentee before: WUXI WEIFU HIGH-TECHNOLOGY Co.,Ltd. Patentee before: WUXI WEIFU AUTOMOBILE DIESEL SYSTEM CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |