CN206439135U - Diesel engine high-pressure co-rail pump proportional flow control valve - Google Patents
Diesel engine high-pressure co-rail pump proportional flow control valve Download PDFInfo
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- CN206439135U CN206439135U CN201720085920.7U CN201720085920U CN206439135U CN 206439135 U CN206439135 U CN 206439135U CN 201720085920 U CN201720085920 U CN 201720085920U CN 206439135 U CN206439135 U CN 206439135U
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- pole shoe
- housing
- valve element
- diesel engine
- flow control
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Abstract
The utility model is related to a kind of diesel engine high-pressure co-rail pump proportional flow control valve, plug-in unit is installed on housing, pole shoe is installed inside the bottom of housing, coil holder is installed between housing and pole shoe, coil is installed in coil holder, pole shoe inlet hole is offered on pole shoe, in pole shoe pole shoe axis hole is offered along its axis, spring base is fixed with inside the bottom of pole shoe axis hole, spring is installed on spring base, above spring base valve element is slidably fitted with pole shoe axis hole, metering orifice is offered on the side wall of valve element, the first sliding bearing is fixed with inside the upper end of pole shoe axis hole, limited block is provided with the upper surface of pole shoe, the second sliding bearing is fixed with inside the upper end of housing, armature shaft is slidably fitted with the second sliding bearing and the first sliding bearing, armature is fixed with armature shaft.The utility model has the advantages that simple in construction, relatively low using reliable, production cost.
Description
Technical field
The utility model is related to a kind of proportional flow control valve, and the utility model is more particularly, to a kind of diesel engine high-pressure co-rail pump
Use proportional flow control valve.
Background technology
Because performance requirement is strict, with high content of technology, design difficulty it is big, plus the reason, existing rank such as home made materials dispersiveness is big
Section Diesel engine high-pressure common rail oil supply system relies primarily on Germany, Japan, the import in the U.S. with fuel quantitative proportional flow control valve
Product.Using the quantitative ratio flow valve of external import, although can meet the requirement in performance, but cost is very high, price,
Lead Time etc. is answered business to be restricted by foreign countries' supply of material, and the property right that is ignorant is unfavorable for development of national work forever by overseas enterprise's control
Industry.Therefore it is badly in need of production domesticization to reduce cost, breaks away from the control of international vendor.On the other hand, with China's Diesel engine
The development of high-pressure common rail oil supply system proprietary technology with it is ripe, be also badly in need of it is matching therewith, based on the various of indigenous technology
The made domestic fuel quantitative ratio flow valve of model, with meet the technological progress of China's Diesel engine high-pressure common rail oil supply system with
The need for practicality popularization.
The content of the invention
The purpose of this utility model be overcome the deficiencies in the prior art there is provided one kind it is simple in construction, can reduce
The diesel engine high-pressure co-rail pump proportional flow control valve of production cost.
The technical scheme provided according to the utility model, the diesel engine high-pressure co-rail pump proportional flow control valve, in housing
On plug-in unit is installed, pole shoe is installed inside the bottom of housing, coil holder is installed between housing and pole shoe, in coil
Coil is installed in seat, pole shoe inlet hole is offered on pole shoe, pole shoe axis hole is offered along its axis in pole shoe, in pole
Be fixed with spring base inside the bottom of boots axis hole, spring be installed on spring base, above spring base in pole shoe axis hole
Valve element is inside slidably fitted with, upper end and the valve element of spring offset, and metering orifice are offered on the side wall of valve element, in pole shoe axis hole
Upper end inside be fixed with the first sliding bearing, be provided with limited block in the upper surface of pole shoe, it is solid inside the upper end of housing
Surely there is the second sliding bearing, armature shaft is slidably fitted with the second sliding bearing and the first sliding bearing, it is solid on armature shaft
Surely there is armature, the bottom of armature shaft and the upper surface of valve element offset.
Balance pipe is offered on the upper surface of the valve element.
Guide pin bushing is installed in housing, described armature is installed in guide pin bushing, guide pin bushing coordinates with armature in gap.
The upper end of the pole shoe is wedge structure.
The spring base is symmetrical squashed structure.
The utility model has the advantages that simple in construction, relatively low using reliable, production cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of spring base in the utility model.
Fig. 3 is shell structure schematic diagram in the utility model.
Embodiment
With reference to specific embodiment, the utility model is described in further detail.
The diesel engine high-pressure co-rail pump proportional flow control valve, is provided with plug-in unit 6, in the bottom of housing 1 on housing 1
Portion is provided with pole shoe 9, and coil holder 40 is provided between housing 1 and pole shoe 9, coil 4 is provided with coil holder 40, in pole shoe
Pole shoe inlet hole 9.1 is offered on 9, pole shoe axis hole 9.2 is offered along its axis in pole shoe 9, under pole shoe axis hole 9.2
Inner end portion is fixed with spring base 15, and spring 14 is provided with spring base 15, in the top of spring base 15 in pole shoe axis hole 9.2
Valve element 10 is inside slidably fitted with, upper end and the valve element 10 of spring 14 are offseted, and metering orifice is offered on the side wall of valve element 10
10.1, the first sliding bearing 2 is fixed with inside the upper end of pole shoe axis hole 9.2, limited block 8 is provided with the upper surface of pole shoe 9,
The second sliding bearing 20 is fixed with inside the upper end of housing 1, is slided in the second sliding bearing 20 and the first sliding bearing 2
Armature shaft 70 is installed, armature 7 is fixed with armature shaft 70, the bottom and the upper surface of valve element 10 of armature shaft 70 offset.
Balance pipe 10.2 is offered on the upper surface of the valve element 10.
Guide pin bushing 3 is installed in housing 1, described armature 7 is installed in guide pin bushing 3, guide pin bushing 3 is matched somebody with somebody with armature 7 in gap
Close.
The spring base 15 is symmetrical squashed structure.
It is equipped with housing 1 in guide pin bushing 3, the second sliding bearing 20, guide pin bushing 3 and housing 1 and is provided with coil holder 40, in coil holder 40
Coil 4 is inside installed, and provided with O-ring seal 5 on the one end of coil 4 and the contact surface of housing 1；6 plug-in units assemble coil by housing 1
Encapsulated formation is molded after 4, it is reliably connected with external control circuit；The inside of housing 1 is provided with armature shaft 70, in armature shaft 70
On be fixed with armature 7, one end is provided with limited block 8；Pole shoe 9 is connected with housing 1, and pole shoe 9 is provided with the first sliding bearing 2；Rank
The second sliding bearing 20 that one end of iron axle 70 is placed in housing 1, the first sliding bearing 2 that the other end is placed on pole shoe 9, two ends
Sliding bearing provides the direction that armature shaft 70 is moved；Pole shoe inlet hole 9.1 is offered on pole shoe 9, on pole shoe inlet hole 9.1
The second sealing ring 12 is installed on the pole shoe 9 of side, the 3rd sealing ring 13 is installed on the pole shoe 9 below pole shoe inlet hole 9.1,
First sealing ring 11 is installed on the pole shoe 9 of the position of coil holder 40, the 4th is provided between guide pin bushing 3, coil holder 40 and housing 1
Sealing ring 5, is provided with valve element 10 in pole shoe 9, and pole shoe 9 provides the passage of the smooth slip of valve element 10；Spring is provided with valve element 10
14, spring 14 provides the restoring force that valve element 10 is moved, and the other end of spring 14 is fixed by spring base 15.
Guide pin bushing 3 is provided with housing 1, air-gap reluctance is reduced, improves output electromagnetic force；
Pole shoe 9 uses wedge angle, is formed trapezoidal every tape, it is ensured that output electromagnetic force reaches good horizontal nature；Enter
One step pole shoe 9 uses through-hole structure, i.e., hole machined essence in offering pole shoe axis hole 9.2, raising along its axis in pole shoe 9
Degree；The top of pole shoe 9 is provided with the stroke range of the limited block 8 of non-magnet material, effectively control armature 7；Do not balanced on armature 7
Hole, carries out oil extraction, it is ensured that fluid pressure balance suffered by the upper and lower side of armature 7 with the gap between armature 7 and guide pin bushing 3；
Using two-stage hole in the hollow cylinder that valve element 10 is closed for one end, cylinder, reduce in spring 14 and valve element 10
Wall friction；Metering orifice 10.1 is provided with valve element 10；Two ends are oriented to the first cunning that low-friction coefficient wearing layer is sintered using inner surface
The sliding bearing 20 of dynamic bearing 2 and second, reduces its coefficient of friction with the contact surface of armature shaft 70, and reduction movement parts abrasion is carried
High durable reliability；Oil outlet 15.1 is provided with spring base 15, and spring base 15 uses symmetrical squashed structure, squashed structure increases
Plus the fuel flow communication area of oil outlet 15.1；The upper side of housing 1 is provided with symmetrical four balance pipes 1.1, during balance injection molding
Housing cavity fluid pressure.
Control electric current is exported to after coil 4, armature 7 can export with the directly proportional electromagnetic force of electric current, pass through armature shaft
70 are applied on valve element 10, and valve element 10 is simultaneously by the effect of flow valve spring 14, and electromagnetic force and spring force balance valve element 10
Some position, when changing the electric current of coil 4, the electromagnetic force of armature 7 accordingly changes, and valve element 10 moves to new balance position
Put, the athletic meeting of valve element 10 changes the masked area of pole shoe 9 and the metering orifice of valve element 10, so as to change the circulation of the metering orifice of valve element 10
Area, plays a part of adjusting flow.
Claims (5)
1. a kind of diesel engine high-pressure co-rail pump proportional flow control valve, including, it is characterized in that：In housing（1）On plug-in unit is installed
（6）, in housing（1）Bottom inside pole shoe is installed（9）, in housing（1）With pole shoe（9）Between coil holder is installed
（40）, in coil holder（40）Coil is inside installed（4）, in pole shoe（9）On offer pole shoe inlet hole（9.1）, in pole shoe（9）It is interior
Pole shoe axis hole is offered along its axis（9.2）, in pole shoe axis hole（9.2）Bottom inside be fixed with spring base（15）, bullet
Spring abutment（15）On be provided with oil outlet, in spring base（15）On spring is installed（14）, in spring base（15）The pole shoe axis hole of top
（9.2）Inside it is slidably fitted with valve element（10）, spring（14）Upper end and valve element（10）Offset, in valve element（10）Side wall on open
Provided with metering orifice（10.1）, in pole shoe axis hole（9.2）Upper end inside be fixed with the first sliding bearing（2）, in pole shoe（9）'s
Upper surface is provided with limited block（8）, in housing（1）Upper end inside be fixed with the second sliding bearing（20）, in the second sliding axle
Hold（20）With the first sliding bearing（2）Inside it is slidably fitted with armature shaft（70）, in armature shaft（70）On be fixed with armature（7）, rank
Iron axle（70）Bottom and valve element（10）Upper surface offset.
2. diesel engine high-pressure co-rail pump proportional flow control valve as claimed in claim 1, it is characterized in that：In the valve element（10）'s
Balance pipe is offered on upper surface（10.2）.
3. diesel engine high-pressure co-rail pump proportional flow control valve as claimed in claim 1, it is characterized in that：In housing（1）It is interior to install
There is guide pin bushing（3）, in guide pin bushing（3）Described armature is inside installed（7）, guide pin bushing（3）With armature（7）Coordinate in gap.
4. diesel engine high-pressure co-rail pump proportional flow control valve as claimed in claim 1, it is characterized in that：The pole shoe（9）It is upper
End is wedge structure.
5. diesel engine high-pressure co-rail pump proportional flow control valve as claimed in claim 1, it is characterized in that：The spring base（15）For
Symmetrical squashed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720085920.7U CN206439135U (en) | 2017-01-22 | 2017-01-22 | Diesel engine high-pressure co-rail pump proportional flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720085920.7U CN206439135U (en) | 2017-01-22 | 2017-01-22 | Diesel engine high-pressure co-rail pump proportional flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439135U true CN206439135U (en) | 2017-08-25 |
Family
ID=59635045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720085920.7U Active CN206439135U (en) | 2017-01-22 | 2017-01-22 | Diesel engine high-pressure co-rail pump proportional flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206439135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-01-22 CN CN201720085920.7U patent/CN206439135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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