CN203285598U - Proportional flow valve for common rail pump - Google Patents
Proportional flow valve for common rail pump Download PDFInfo
- Publication number
- CN203285598U CN203285598U CN2013203389794U CN201320338979U CN203285598U CN 203285598 U CN203285598 U CN 203285598U CN 2013203389794 U CN2013203389794 U CN 2013203389794U CN 201320338979 U CN201320338979 U CN 201320338979U CN 203285598 U CN203285598 U CN 203285598U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- proportional flow
- spring seat
- spool
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a proportional flow valve for a common rail pump. A valve body is fixed at the bottom end of a proportion electro-magnet, the valve body is provided with a flow hole, a mounting sliding hole is formed in the axial direction of the valve body inside the valve body, and the mounting sliding hole is selectively communicated with the flow hole. A spring seat is fixedly arranged on the inner portion of the bottom end of the mounting sliding hole, a valve core is mounted in the mounting sliding hole above the spring seat in a sliding mode, and the valve core is provided with balanced holes. The spring seat is provided with an oil outlet hole, a spring is arranged on the spring seat, and the top end of the spring abuts against the valve core. The proportional flow valve for the common rail pump is the flow valve of a pressure self-balancing structure, the performance of the valve can not be affected by pressure, and stability is good. The performance curve of the proportional flow valve can be regulated accurately so that product consistency can be guaranteed. The proportional flow valve for the common rail pump is simple and reliable in structure, convenient to adjust and simple in production technology.
Description
Technical field
The utility model relates to a kind of valve, especially a kind of rail pump proportional flow control valve altogether.
Background technique
Day by day rare along with the increasingly stringent of Abgasgesetz and the energy, requirement to diesel fuel injection system also improves constantly, common rail system is other oil-fired systems relatively, its pressure, fuel injection quantity, oil spout are constantly, spray and rear spray can accurately be controlled in advance, and its discharging and fuel economy have great improvement.In common rail system, be installed on proportional flow control valve on common rail pump and play the pressure regulation effect of common rail system, can accurately control the oil mass that enters high pressure oil pump, the performance of whole common rail system is had very important impact.It is non-equilibrium valve that yet some proportional flow control valves are arranged, and stability and the conformity of valve are poor, can't accomplish fine adjustment, unfavorable for the accurate control of common rail system rail pressure, directly affects fuel economy, power character and the emission level of diesel engine.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of simple in structure, pressure self-balancing is provided, can effectively accurately controls the common rail pump proportional flow control valve of the flow that enters common rail pump.
The technological scheme that provides according to the utility model, described rail pump proportional flow control valve altogether, bottom at proportion electro-magnet is fixed with valve body, offer metering orifice on valve body, axially offer the installation slide opening along it in valve body, slide opening is installed to be communicated with the metering orifice selectivity, be fixed with spring seat in the inside, bottom that slide opening is installed, be slidably fitted with spool in installation slide opening above spring seat, offer equalizing orifice on spool, offer oil outlet on described spring seat, at spring seat, be provided with spring, tip portion and the spool of spring offset.
The axis of described equalizing orifice and the axis of spool are set in parallel.Described equalizing orifice has two or more, and equalizing orifice is evenly distributed round the axis of spool.
Described valve body is pressed into proportion electro-magnet by interference fit.
The axis of described metering orifice and the axis of valve body are vertical setting.
The utlity model has following advantage: 1, the utility model is the Flow valve of pressure self-balancing structure, the impact that the performance of valve is not stressed, good stability; 2, performance curve of the present utility model can fine adjustment, can guarantee the conformity of product; 3, the utility model is simple and reliable for structure, and debugging is convenient, and production technology is simple.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with specific embodiment.
Should be total to rail pump proportional flow control valve, be fixed with valve body 4 in the bottom of proportion electro-magnet 5, offer metering orifice 4.1 on valve body 4, axially offer the installation slide opening along it in valve body 4, slide opening is installed to be communicated with metering orifice 4.1 selectivity, be fixed with spring seat 1 in the inside, bottom that slide opening is installed, be slidably fitted with spool 3 in installation slide opening above spring seat 1, offer equalizing orifice 3.1 on spool 3, offer oil outlet 1.1 on described spring seat 1, be provided with spring 2 at spring seat 1, the tip portion of spring 2 and spool 3 offset.
The axis of the axis of described equalizing orifice 3.1 and spool 3 is set in parallel.Described equalizing orifice 3.1 has two or more, and equalizing orifice 3.1 is evenly distributed round the axis of spool 3.
Described valve body 4 is pressed into proportion electro-magnet 5 by interference fit.
The axis of the axis of described metering orifice 4.1 and valve body 4 is vertical setting.
Rail pump altogether of the present utility model is with in proportional flow control valve, and valve body 4 is pressed into proportion electro-magnet 5 by interference fit, and spool 3 is a mating plate with valve body 4, and spool 3 can move up and down 4 li of valve bodies.Have metering orifice 4.1 on valve body 4, fuel oil can advance from metering orifice 4.1, from the oil outlet 1.1 of spring seat 1, goes out.The athletic meeting of spool 3 in valve body 4 makes spool 3 cover the part area of metering orifice 4.1, thereby regulates the flow that enters proportional flow control valve, has equalizing orifice 3.1 on spool 3, can guarantee that the pressure of spool 3 front and back equates.
Working principle of the present utility model is as follows:
the utility model is a kind of pressure self-balancing formula proportional flow control valve, push rod in the middle of proportion electro-magnet 5 can be exported and the directly proportional electromagnetic force of electric current, be applied on spool 3 by push rod, spool 3 is subjected to the effect of spring 2 simultaneously, electromagnetic force and spring force make spool 3 be equilibrated at certain position, when changing the electric current of proportion electro-magnet 5, the corresponding change of the electromagnetic force of proportion electro-magnet 5, spool 3 moves to corresponding equinoctial point, the athletic meeting of spool 3 covers the metering orifice 4.1 exit portion areas of valve body 4, thereby change the circulation area of the metering orifice 4.1 of valve body 4, play the effect of adjust flux, by adjusting the compression distance of spring seat 1, just can guarantee the conformity between different valves.
Claims (5)
1. one kind is total to rail pump proportional flow control valve, be fixed with valve body (4) in the bottom of proportion electro-magnet (5), it is characterized in that: offer metering orifice (4.1) on valve body (4), axially offer the installation slide opening along it in valve body (4), slide opening is installed to be communicated with metering orifice (4.1) selectivity, be fixed with spring seat (1) in the inside, bottom that slide opening is installed, be slidably fitted with spool (3) in the installation slide opening of spring seat (1) top, offer equalizing orifice (3.1) on spool (3), offer oil outlet (1.1) on described spring seat (1), be provided with spring (2) at spring seat (1), the tip portion of spring (2) and spool (3) offset.
2. altogether rail pump proportional flow control valve as claimed in claim 1, it is characterized in that: the axis of the axis of described equalizing orifice (3.1) and spool (3) is set in parallel.
3. altogether rail pump proportional flow control valve as claimed in claim 2, it is characterized in that: described equalizing orifice (3.1) has two or more, and equalizing orifice (3.1) is evenly distributed round the axis of spool (3).
4. altogether rail pump proportional flow control valve as claimed in claim 1, it is characterized in that: described valve body (4) is pressed into proportion electro-magnet (5) by interference fit.
5. altogether rail pump proportional flow control valve as claimed in claim 1, it is characterized in that: the axis of the axis of described metering orifice (4.1) and valve body (4) is vertical setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203389794U CN203285598U (en) | 2013-06-13 | 2013-06-13 | Proportional flow valve for common rail pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203389794U CN203285598U (en) | 2013-06-13 | 2013-06-13 | Proportional flow valve for common rail pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285598U true CN203285598U (en) | 2013-11-13 |
Family
ID=49541967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203389794U Withdrawn - After Issue CN203285598U (en) | 2013-06-13 | 2013-06-13 | Proportional flow valve for common rail pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285598U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291515A (en) * | 2013-06-13 | 2013-09-11 | 无锡威孚汽车柴油系统有限公司 | Proportional flow valve for common-rail pump |
| CN104265981A (en) * | 2014-10-09 | 2015-01-07 | 平原机器厂（新乡） | Proportional flow control valve |
| 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 |
-
2013
- 2013-06-13 CN CN2013203389794U patent/CN203285598U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291515A (en) * | 2013-06-13 | 2013-09-11 | 无锡威孚汽车柴油系统有限公司 | Proportional flow valve for common-rail pump |
| CN103291515B (en) * | 2013-06-13 | 2015-03-25 | 无锡威孚汽车柴油系统有限公司 | Proportional flow valve for common-rail pump |
| CN104265981A (en) * | 2014-10-09 | 2015-01-07 | 平原机器厂（新乡） | Proportional flow control valve |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104018966A (en) | Pressure accumulation flow-limiting type electromagnetic control oil sprayer | |
| CN201013504Y (en) | Diesel engine fuel injection electric control unit pump | |
| CN203285598U (en) | Proportional flow valve for common rail pump | |
| CN204299753U (en) | A kind of high pressure common rail electric control fuel injector | |
| CN204200442U (en) | A kind of mesopore pressure accumulation is without static leakage oil sprayer | |
| CN103233936B (en) | A kind of leading type electricity liquid ratio relief valve based on plug-in mounting structure | |
| CN204458154U (en) | A kind of pressure balance type common-rail injector | |
| CN103291515B (en) | Proportional flow valve for common-rail pump | |
| CN102434346A (en) | Low oil-return type electromagnetic control oil sprayer | |
| CN107725523A (en) | Load sensing multi-way valve and there is its engineering machinery | |
| CN203499748U (en) | Centrally-mounted VVT system | |
| CN107100771B (en) | Micro-injection common rail oil sprayer | |
| CN203978685U (en) | The diesel electric-controlled common-rail injector of bunker fuel oil | |
| CN203867753U (en) | Oil sprayer | |
| CN105351115B (en) | No leakage voltage control standard fuel gas ejecting device | |
| CN204083373U (en) | A kind of multi-way valve with off-load protection | |
| CN203146147U (en) | Vacuum electromagnetic regulating valve with adjustable saddle | |
| CN103410642A (en) | High pressure common rail oil atomizer fuel oil injection law control body | |
| CN203836543U (en) | Novel intelligentized grease lubrication device | |
| CN202484380U (en) | Internal-feedback type low-flow pressure regulating valve | |
| CN207437487U (en) | Load sensing multi-way valve and with its engineering machinery | |
| CN207004700U (en) | A kind of new micro- spray common-rail injector | |
| CN203940059U (en) | A kind of nuclear power self-powering type back pressure valve | |
| CN106121890A (en) | A kind of rail pressure for common rail system regulates valve | |
| CN202900379U (en) | Easy-control stable selective catalytic reduction (SCR) carbamide ejector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131113 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |