CN105221315A - Single cylinder diesel monoblock pump assembly - Google Patents
Single cylinder diesel monoblock pump assembly Download PDFInfo
- Publication number
- CN105221315A CN105221315A CN201510651981.0A CN201510651981A CN105221315A CN 105221315 A CN105221315 A CN 105221315A CN 201510651981 A CN201510651981 A CN 201510651981A CN 105221315 A CN105221315 A CN 105221315A
- Authority
- CN
- China
- Prior art keywords
- plunger
- plunger bushing
- valve spring
- bushing
- solenoid valve
- 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
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of single cylinder diesel monoblock pump assembly, comprise electromagnetic valve components, solenoid valve spring stop piece, contiguous block, solenoid valve spring, solenoid valve spring seat, control plunger, oil outlet valve spring seat, oil outlet valve spring, outlet valve, plunger bushing, baffle plate, positioning seat, an O RunddichtringO, spacer shell, the 2nd O RunddichtringO, the 3rd O RunddichtringO, plunger, plunger catch, piston spring, piston spring seat, fastening screw trip bolt, armature and seal ring; Monoblock pump assembly structure of the present invention is simply compact, reliable, good endurance, and plunger bushing adopts monolithic construction, does not have unnecessary transition structure, reduces the risk of leakage, increase the bearing capacity of plunger bushing.
Description
Technical field
The invention belongs to automobile manufacturing field, specifically for generation of the device of the jet pressure of oil sprayer, is the important component part of monoblock pump electric control fuel oil jet system.
Background technique
Along with the increasingly stringent of Abgasgesetz, electric control fuel oil jet system has become the main flow of diesel fuel injection system.The electronic control technology of diesel engine is that diesel engine obtains better exhaust index, power performance and economic performance and provides realistic possibility.Monoblock pump is the important component part of monoblock pump electric control fuel oil jet system, and its technical merit directly determines reliability, power character, the Economy of end product.Therefore, what solve high pressure oil pump supplies oil-proofness, supply capability, and installability, processing cost is low, with regard to the problem having become product development to consider.
Summary of the invention
The object of the invention is to for the existing market demand, a kind of single cylinder diesel monoblock pump assembly of exploitation, this single cylinder pump structure is simple, compact, and processing cost is low, and it is convenient to assemble, and coupling flexibly, stablize by fuel feeding.
The object of the invention is to be achieved through the following technical solutions: a kind of single cylinder diesel monoblock pump assembly, comprise electromagnetic valve components, solenoid valve spring stop piece, contiguous block, solenoid valve spring, solenoid valve spring seat, control plunger, oil outlet valve spring seat, oil outlet valve spring, outlet valve, plunger bushing, baffle plate, positioning seat, an O RunddichtringO, spacer shell, the 2nd O RunddichtringO, the 3rd O RunddichtringO, plunger, plunger catch, piston spring, piston spring seat, fastening screw trip bolt, armature and seal ring;
Described outlet valve, oil outlet valve spring put into the horizontal mesopore of plunger bushing successively, and the horizontal mesopore of oil outlet valve spring seat press-in plunger bushing, with plunger bushing interference fit; Described control plunger inserts in longitudinal mesopore of plunger bushing, forms couple, then put into positioning seat with plunger bushing, by an O RunddichtringO sealing between positioning seat and plunger bushing; Described solenoid valve spring seat, solenoid valve spring, solenoid valve spring stop piece and armature are enclosed within successively and control on plunger, solenoid valve spring is located by solenoid valve spring seat, spacing by solenoid valve spring stop piece, solenoid valve spring stop piece is located by contiguous block, and armature is fixed by fastening screw trip bolt and control plunger; Fit in described contiguous block and plunger bushing surface, fit in electromagnetic valve components and contiguous block surface, sealed by seal ring between laminating, baffle plate and positioning seat end face are fitted, and electromagnetic valve components, contiguous block, plunger bushing and baffle plate are fixed together by screw; Described plunger inserts in the horizontal mesopore of plunger bushing, forms couple with plunger bushing; Described plunger is spacing by the plunger catch be fixed on plunger bushing; Described piston spring cover for seat is on plunger, and piston spring is enclosed within the cylindrical of plunger bushing, and two ends prop up plunger bushing and piston spring seat; Described 2nd O RunddichtringO and the 3rd O RunddichtringO are enclosed within plunger bushing, and form sealed volume chamber with the spacer shell be enclosed within plunger bushing, spacer shell is fixedly connected with plunger bushing.
Further, described plunger with plunger bushing, control, for couple coordinates between plunger with plunger bushing, can not arbitrarily exchange after match grinding.
Further, described monoblock pump assembly ensures key parameter minimal air gap and stroke by adjustment contiguous block and positioning seat, the size of minimal air gap and stroke directly affects the speed of response of solenoid valve, the fuel delivery of monoblock pump and fuel injection characteristic, minimal air gap and Traffic control system qualified after, contiguous block, positioning seat, armature, control plunger and plunger bushing do not have interchangeability.
Further, described control plunger and plunger bushing, to be sealed by sealed seat surface between outlet valve and plunger bushing.
Further, described control plunger, plunger bushing and spacer shell are equipped with fuel gallery.
Further, described outlet valve is provided with throttle orifice can alleviate pressure between monoblock pump and oil sprayer, eliminates secondary injection.
Further, described plunger bushing is provided with spill port, the fuel oil leaked can be backed oil inlet end between plunger bushing and plunger bushing.
Monoblock pump assembly structure of the present invention is simply compact, reliable, good endurance, and plunger bushing adopts monolithic construction, does not have unnecessary transition structure, reduces the risk of leakage, increase the bearing capacity of plunger bushing.
Accompanying drawing explanation
Fig. 1 is the sectional view of monoblock pump assembly of the present invention;
Fig. 2 is the enlarged view of in Fig. 1 I;
Fig. 3 is the enlarged view of in Fig. 1 II;
In figure, 1 is electromagnetic valve components, 2 is solenoid valve spring stop piece, 3 is contiguous block, 4 is solenoid valve spring, 5 is solenoid valve spring seat, 6 for controlling plunger, 7 is oil outlet valve spring seat, 8 is oil outlet valve spring, 9 is outlet valve, 10 is bolt, 11 is plunger bushing, 12 is baffle plate, 13 is positioning seat, 14 is an O RunddichtringO, 15 is spacer shell, 16 is the 2nd O RunddichtringO, 17 is the 3rd O RunddichtringO, 18 is plunger, 19 is plunger catch, 20 is piston spring, 21 is piston spring seat, 22 is fastening screw trip bolt, 23 is armature, 24 is seal ring, 25 is screw.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present invention is a kind of single cylinder diesel monoblock pump assembly, comprises electromagnetic valve components 1, solenoid valve spring stop piece 2, contiguous block 3, solenoid valve spring 4, solenoid valve spring seat 5, controls plunger 6, oil outlet valve spring seat 7, oil outlet valve spring 8, outlet valve 9, bolt 10, plunger bushing 11, baffle plate 12, positioning seat 13, an O RunddichtringO 14, spacer shell 15, the 2nd O RunddichtringO 16, the 3rd O RunddichtringO 17, plunger 18, plunger catch 19, piston spring 20, piston spring seat 21, fastening screw trip bolt 22, armature 23, seal ring 24, screw 25.
Described outlet valve 9, oil outlet valve spring 8 put into the horizontal mesopore of plunger bushing 11 successively, and oil outlet valve spring seat 7 is pressed into the horizontal mesopore of plunger bushing 11, with plunger bushing 11 interference fit; Described control plunger 6 inserts in longitudinal mesopore of plunger bushing 11, forms couple with plunger bushing 11, then puts into positioning seat 13, is sealed between positioning seat 13 and plunger bushing 11 by an O RunddichtringO 14; Described solenoid valve spring seat 5, solenoid valve spring 4, solenoid valve spring stop piece 2 and armature 23 are enclosed within successively and control on plunger 6, solenoid valve spring 4 is located by solenoid valve spring seat 5, spacing by solenoid valve spring stop piece 2, solenoid valve spring stop piece 2 is located by contiguous block 3, and armature 23 is fixed by fastening screw trip bolt 22 and control plunger 6; Described contiguous block 3 is fitted with plunger bushing 11 surface, electromagnetic valve components 1 is fitted with contiguous block 3 surface, sealed by seal ring 24 between laminating, baffle plate 12 and positioning seat 13 end face are fitted, and electromagnetic valve components 1, contiguous block 3, plunger bushing 11 and baffle plate 12 are fixed together by screw 25; Described plunger 18 inserts in the horizontal mesopore of plunger bushing 11, forms couple with plunger bushing 11; Described plunger 18 is spacing by the plunger catch 19 be fixed on plunger bushing 11; Described piston spring seat 21 is enclosed within plunger 18, and piston spring 20 is enclosed within the cylindrical of plunger bushing 11, and two ends prop up plunger bushing 11 and piston spring seat 21; Described 2nd O RunddichtringO 16 and the 3rd O RunddichtringO 17 are enclosed within plunger bushing 11, form sealed volume chamber with the spacer shell 15 be enclosed within plunger bushing 11, and spacer shell 15 is fixed by bolt 10 and plunger bushing 11.
Described plunger 18 with plunger bushing 11, control, for couple coordinates between plunger 6 with plunger bushing 11, can not arbitrarily exchange after match grinding.
Described monoblock pump assembly ensures key parameter minimal air gap H2 and stroke H1 by adjustment contiguous block 3 and positioning seat 13, the size of minimal air gap H2 and stroke H1 directly affects the speed of response of solenoid valve, the fuel delivery of monoblock pump and fuel injection characteristic, after minimal air gap H2 and stroke H1 adjustment is qualified, contiguous block 3, positioning seat 13, armature 23, control plunger 6 and plunger bushing 11 do not have interchangeability.
Described control plunger 6 and plunger bushing 11, to be sealed by sealed seat surface between outlet valve 9 and plunger bushing 11.
Described control plunger 6, plunger bushing 11 and spacer shell 15 are equipped with fuel gallery.
Described outlet valve 9 is provided with throttle orifice can alleviate pressure between monoblock pump and oil sprayer, eliminates secondary injection.
Described plunger bushing 11 is provided with spill port, the fuel oil leaked can be backed oil inlet end between plunger bushing 11 and plunger bushing 18.
Described monoblock pump assembly structure is simply compact, reliable, good endurance, and plunger bushing 11 adopts monolithic construction, does not have unnecessary transition structure, reduces the risk of leakage, increases the bearing capacity of plunger bushing 11.
Working principle of the present invention is:
Fuel oil enters in the cavity volume between spacer shell 15 and plunger bushing 11 by the oil inlet hole on spacer shell 15, entered by the fuel gallery on plunger bushing 11 and fill single cylinder pump chamber, now, control plunger 6 and act on by solenoid valve spring 4, uply be against on positioning seat, low-pressure cavity is communicated with hyperbaric chamber; Electromagnetic valve components 1 is opened, and armature 23 drives control plunger 6 descending under the effect of electromagnetic force, and control plunger 6 is formed by seat surface with plunger bushing 11 and seals, and hyperbaric chamber is separated with low-pressure cavity; Engine cam drives tappet body component motion, and tappet body component drives plunger up, and fuel oil compresses in hyperbaric chamber, and pressure rises rapidly, and outlet valve 9 is opened, and fuel oil is sprayed by nozzle; Electromagnetic valve components 1 is closed, and controls plunger 6 and acts on by solenoid valve spring 4, is uply against on positioning seat, and low-pressure cavity is communicated with hyperbaric chamber, and fuel oil passes through hyperbaric chamber goods to low-pressure cavity, and hyperbaric chamber pressure drop, outlet valve 9 cuts out, and course of injection terminates.
Claims (6)
1. a single cylinder diesel monoblock pump assembly, it is characterized in that, comprise electromagnetic valve components (1), solenoid valve spring stop piece (2), contiguous block (3), solenoid valve spring (4), solenoid valve spring seat (5), control plunger (6), oil outlet valve spring seat (7), oil outlet valve spring (8), outlet valve (9), plunger bushing (11), baffle plate (12), positioning seat (13), one O RunddichtringO (14), spacer shell (15), 2nd O RunddichtringO (16), 3rd O RunddichtringO (17), plunger (18), plunger catch (19), piston spring (20), piston spring seat (21), fastening screw trip bolt (22), armature (23) and seal ring (24),
Described outlet valve (9), oil outlet valve spring (8) put into the horizontal mesopore of plunger bushing (11) successively, the horizontal mesopore of oil outlet valve spring seat (7) press-in plunger bushing (11), with plunger bushing (11) interference fit; Described control plunger (6) inserts in longitudinal mesopore of plunger bushing (11), couple is formed with plunger bushing (11), then put into positioning seat (13), sealed by an O RunddichtringO (14) between positioning seat (13) and plunger bushing (11); Described solenoid valve spring seat (5), solenoid valve spring (4), solenoid valve spring stop piece (2) and armature (23) are enclosed within successively and control on plunger (6), solenoid valve spring (4) is located by solenoid valve spring seat (5), spacing by solenoid valve spring stop piece (2), solenoid valve spring stop piece (2) is by contiguous block (3) location, and armature (23) is fixed by fastening screw trip bolt (22) and control plunger (6); Described contiguous block (3) is fitted with plunger bushing (11) surface, electromagnetic valve components (1) is fitted with contiguous block (3) surface, by seal ring (24) sealing between laminating, baffle plate (12) and positioning seat (13) end face are fitted, and electromagnetic valve components (1), contiguous block (3), plunger bushing (11) and baffle plate (12) are fixed together by screw (25); Described plunger (18) inserts in the horizontal mesopore of plunger bushing (11), forms couple with plunger bushing (11); Described plunger (18) is spacing by the plunger catch (19) be fixed on plunger bushing (11); Described piston spring seat (21) is enclosed within plunger (18), piston spring (20) is enclosed within the cylindrical of plunger bushing (11), and two ends prop up plunger bushing (11) and piston spring seat (21); Described 2nd O RunddichtringO (16) and the 3rd O RunddichtringO (17) are enclosed within plunger bushing (11), form sealed volume chamber with the spacer shell (15) be enclosed within plunger bushing (11), spacer shell (15) is fixedly connected with plunger bushing (11).
2. a kind of single cylinder diesel monoblock pump assembly according to claim 1, it is characterized in that, described plunger (18) with plunger bushing (11), control between plunger (6) with plunger bushing (11) as couple coordinates.
3. a kind of single cylinder diesel monoblock pump assembly according to claim 1, it is characterized in that, described control plunger (6) and plunger bushing (11), to be sealed by sealed seat surface between outlet valve (9) and plunger bushing (11).
4. a kind of single cylinder diesel monoblock pump assembly according to claim 1, is characterized in that, described control plunger (6), plunger bushing (11) and spacer shell (15) are equipped with fuel gallery.
5. a kind of single cylinder diesel monoblock pump assembly according to claim 1, is characterized in that, described outlet valve (9) is provided with throttle orifice can alleviate pressure between monoblock pump and oil sprayer, eliminates secondary injection.
6. a kind of single cylinder diesel monoblock pump assembly according to claim 1, it is characterized in that, described plunger bushing (11) is provided with spill port, the fuel oil leaked can be backed oil inlet end between plunger bushing (11) and plunger bushing (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510651981.0A CN105221315B (en) | 2015-10-10 | 2015-10-10 | Single cylinder diesel monomer pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510651981.0A CN105221315B (en) | 2015-10-10 | 2015-10-10 | Single cylinder diesel monomer pump assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221315A true CN105221315A (en) | 2016-01-06 |
| CN105221315B CN105221315B (en) | 2017-11-14 |
Family
ID=54990509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510651981.0A Active CN105221315B (en) | 2015-10-10 | 2015-10-10 | Single cylinder diesel monomer pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105221315B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464864A (en) * | 2016-01-13 | 2016-04-06 | 温州巴腾电子科技有限公司 | Plunger type high-pressure fuel pump |
| CN106368874A (en) * | 2016-09-12 | 2017-02-01 | 上海中船三井造船柴油机有限公司 | Oil sprayer of low-speed diesel engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6167870B1 (en) * | 1997-01-27 | 2001-01-02 | Komatsu Ltd. | Control device and control method for cam driving type electronic control unit injector |
| CN201184259Y (en) * | 2008-03-26 | 2009-01-21 | 辽宁新风企业集团有限公司 | Common rail safety valve |
| CN201221424Y (en) * | 2008-07-16 | 2009-04-15 | 辽宁新风企业集团有限公司 | Straight arranging type high-pressure pump for common rail system |
| JP2010127153A (en) * | 2008-11-26 | 2010-06-10 | Yanmar Co Ltd | Fuel injection pump |
| CN205001096U (en) * | 2015-10-10 | 2016-01-27 | 辽宁新风企业集团有限公司 | Monoblock pump assembly for single cylinder diesel |
-
2015
- 2015-10-10 CN CN201510651981.0A patent/CN105221315B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6167870B1 (en) * | 1997-01-27 | 2001-01-02 | Komatsu Ltd. | Control device and control method for cam driving type electronic control unit injector |
| CN201184259Y (en) * | 2008-03-26 | 2009-01-21 | 辽宁新风企业集团有限公司 | Common rail safety valve |
| CN201221424Y (en) * | 2008-07-16 | 2009-04-15 | 辽宁新风企业集团有限公司 | Straight arranging type high-pressure pump for common rail system |
| JP2010127153A (en) * | 2008-11-26 | 2010-06-10 | Yanmar Co Ltd | Fuel injection pump |
| CN205001096U (en) * | 2015-10-10 | 2016-01-27 | 辽宁新风企业集团有限公司 | Monoblock pump assembly for single cylinder diesel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464864A (en) * | 2016-01-13 | 2016-04-06 | 温州巴腾电子科技有限公司 | Plunger type high-pressure fuel pump |
| CN105464864B (en) * | 2016-01-13 | 2017-09-12 | 温州巴腾电子科技有限公司 | A kind of plunger type high-pressure fuel pump |
| CN106368874A (en) * | 2016-09-12 | 2017-02-01 | 上海中船三井造船柴油机有限公司 | Oil sprayer of low-speed diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105221315B (en) | 2017-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101806266A (en) | Double-valve fuel injecting device with electric-control monoblock pump and electric-control fuel injector | |
| CN105134440B (en) | Use for diesel engine improves the high-pressure fuel injection pump assembly of structure single cylinder | |
| CN204299753U (en) | A kind of high pressure common rail electric control fuel injector | |
| CN105545555B (en) | A kind of nozzle for realizing dual fuel injection | |
| CN205001096U (en) | Monoblock pump assembly for single cylinder diesel | |
| CN105587452A (en) | Electric unit pump with two-channel low-pressure oil internal circulation oil path | |
| CN110748446A (en) | Common rail high-pressure oil inlet and outlet valve assembly and common rail high-pressure oil supply pump | |
| CN113653581A (en) | Oil inlet and outlet valve assembly for injection pump | |
| CN105221315A (en) | Single cylinder diesel monoblock pump assembly | |
| CN106523228B (en) | Low-power diesel generator fuel injection electronic unit pump | |
| CN204851506U (en) | A split type automatically controlled monoblock pump for diesel engine | |
| CN104989572A (en) | Split type electronic unit pump for diesel engine | |
| CN102678250B (en) | Engine piston cooling device | |
| CN104196664A (en) | Conical surface sealed high pressure common rail fuel injector controller | |
| CN2934627Y (en) | Straight arranged type electromagnetic fuel delivery pump | |
| CN206707900U (en) | A kind of low-power diesel-driven generator fuel jet electronic monoblock pump | |
| CN203925845U (en) | A kind of use for diesel engine single cylinder high pressure oil pump | |
| CN202451331U (en) | High-pressure common-rail fuel injector | |
| CN105756820B (en) | Combined type is pressurized the non pressurized piezoelectricity jet hybrid fuel jet device of electromagnetic fuel injection | |
| CN105756825B (en) | Combined electromagnetic oil spout is pressurized piezoelectricity jet hybrid fuel jet device | |
| CN2588069Y (en) | Electric controlled multi-cylinder straight-arranged fuel-enjection pump | |
| CN210530939U (en) | Engine cylinder braking device driven by fuel injection pump | |
| WO2004011794A3 (en) | Fuel injector for diesel engines | |
| CN102748179B (en) | Oil sprayer | |
| CN201386608Y (en) | Fuel injection pump of diesel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180913 Address after: 111299 Chaoyang Street, Shoushan Town, Liaoyang County, Liaoyang, Liaoning, 99-5 Patentee after: Liaoyang Ju Feng Beijing Great Automotive Components Co.,Ltd. Address before: 111299 Chaoyang Street, Shoushan Town, Liaoyang, Liaoyang, Liaoning Patentee before: LIAONING XINFENG ENTERPRISE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200331 Address after: 315400 room a812, No.2 Xingye Avenue, Ningbo Free Trade Zone, Zhejiang Province (no.d190 entrusted by Yongbao commercial secretary company) Patentee after: Ningbo ZhengChi Trade Co.,Ltd. Address before: 111299 Chaoyang Street, Shoushan Town, Liaoyang County, Liaoyang, Liaoning, 99-5 Patentee before: Liaoyang Ju Feng Beijing Great Automotive Components Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200803 Address after: 201615 room 211, building 21, No. 1158, Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai Patentee after: Shanghai Junfeng Electric Control Technology Co.,Ltd. Address before: 315400 room a812, No.2 Xingye Avenue, Ningbo Free Trade Zone, Zhejiang Province (no.d190 entrusted by Yongbao commercial secretary company) Patentee before: Ningbo ZhengChi Trade Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230525 Address after: 225500 No. 1, Shuguang Middle Road, Baimi Town, Jiangyan District, Taizhou City, Jiangsu Province Patentee after: Junfeng electric control technology (Taizhou) Co.,Ltd. Address before: Room 211, building 21, 1158 Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai, 201615 Patentee before: Shanghai Junfeng Electric Control Technology Co.,Ltd. |