CN205001096U - Monoblock pump assembly for single cylinder diesel - Google Patents
Monoblock pump assembly for single cylinder diesel Download PDFInfo
- Publication number
- CN205001096U CN205001096U CN201520782359.9U CN201520782359U CN205001096U CN 205001096 U CN205001096 U CN 205001096U CN 201520782359 U CN201520782359 U CN 201520782359U CN 205001096 U CN205001096 U CN 205001096U
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- CN
- China
- Prior art keywords
- plunger
- plunger bushing
- valve spring
- solenoid valve
- bushing
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 6
- 125000006850 spacer group Chemical group 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 17
- 239000000295 fuel oil Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a monoblock pump assembly for single cylinder diesel, including solenoid valve parts, solenoid valve spring separation blade, connecting block, solenoid valve spring, solenoid valve spring holder, control plunger, delivery valve spring holder, delivery valve spring, delivery valve, plunger bushing, baffle, positioning seat, a O type sealing washer, transition cover, the 2nd O type sealing washer, the 3rd O type sealing washer, plunger, plunger separation blade, plunger spring, plunger spring seat, fastening screw, armature and sealing washer, the utility model discloses monoblock pump assembly structure is simply compact, reliable, the durability is good, and the plunger bushing adopts monolithic structure, does not have unnecessary transition structure, has reduced the risk of leaking, has increased the bearing capacity of plunger bushing.
Description
Technical field
The utility model 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 purpose of this utility model is for the existing market demand, a kind of single cylinder diesel monoblock pump assembly of exploitation, and 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 purpose of this utility model is achieved through the following technical solutions: a kind of single cylinder diesel monoblock pump assembly, comprises electromagnetic valve components, solenoid valve spring stop piece, contiguous block, solenoid valve spring, solenoid valve spring seat, controls 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.
The utility model monoblock pump assembly structure 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 the utility model monoblock pump assembly;
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 utility model is further described.
As Figure 1-3, the utility model is a kind of single cylinder diesel monoblock pump assembly, 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, bolt 10, 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, 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 utility model 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.
6. a kind of single cylinder diesel monoblock pump assembly according to claim 1, is characterized in that, described plunger bushing (11) is provided with spill port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520782359.9U CN205001096U (en) | 2015-10-10 | 2015-10-10 | Monoblock pump assembly for single cylinder diesel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520782359.9U CN205001096U (en) | 2015-10-10 | 2015-10-10 | Monoblock pump assembly for single cylinder diesel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205001096U true CN205001096U (en) | 2016-01-27 |
Family
ID=55157988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520782359.9U Active CN205001096U (en) | 2015-10-10 | 2015-10-10 | Monoblock pump assembly for single cylinder diesel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205001096U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221315A (en) * | 2015-10-10 | 2016-01-06 | 辽宁新风企业集团有限公司 | Single cylinder diesel monoblock pump assembly |
| CN105508258A (en) * | 2016-02-05 | 2016-04-20 | 黄文佳 | Centrifugal pump |
| RU196873U1 (en) * | 2020-01-23 | 2020-03-18 | Общество с ограниченной ответственностью "Проектно-производственное предприятие "Дизельавтоматика" | HIGH PRESSURE FUEL PUMP FOR DIESEL ENGINES |
-
2015
- 2015-10-10 CN CN201520782359.9U patent/CN205001096U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221315A (en) * | 2015-10-10 | 2016-01-06 | 辽宁新风企业集团有限公司 | Single cylinder diesel monoblock pump assembly |
| CN105508258A (en) * | 2016-02-05 | 2016-04-20 | 黄文佳 | Centrifugal pump |
| RU196873U1 (en) * | 2020-01-23 | 2020-03-18 | Общество с ограниченной ответственностью "Проектно-производственное предприятие "Дизельавтоматика" | HIGH PRESSURE FUEL PUMP FOR DIESEL ENGINES |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160509 Address after: Chaoyang Street, 111299 Liaoyang County of Liaoning Province town of Shoushan No. 99-1 Patentee after: LIAOYANG XINFENG TECHNOLOGY CO.,LTD. Address before: Chaoyang Street Liaoyang city Liaoning town 111299 Shoushan County of Liaoyang Province Patentee before: LIAONING XINFENG ENTERPRISE GROUP Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Monoblock pump assembly for single cylinder diesel Effective date of registration: 20190730 Granted publication date: 20160127 Pledgee: Liaoning Xinfeng Real Estate Development Co.,Ltd. Pledgor: LIAOYANG XINFENG TECHNOLOGY CO.,LTD.|LIAONING XINFENG ENTERPRISE GROUP DALIAN YITE SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2019210000025 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200922 Granted publication date: 20160127 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230922 Granted publication date: 20160127 |
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| PD01 | Discharge of preservation of patent |