CN206386192U - Double-fuel guide rail multiple-way valve - Google Patents
Double-fuel guide rail multiple-way valve Download PDFInfo
- Publication number
- CN206386192U CN206386192U CN201621424210.4U CN201621424210U CN206386192U CN 206386192 U CN206386192 U CN 206386192U CN 201621424210 U CN201621424210 U CN 201621424210U CN 206386192 U CN206386192 U CN 206386192U
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- CN
- China
- Prior art keywords
- valve
- pocket hole
- valve pocket
- double
- guide rail
- 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 - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a kind of Double-fuel guide rail multiple-way valve, belong to Double-fuel guide rail switching device field, including housing, valve core piston, valve pocket hole is provided with housing, moveable valve core piston is provided with valve pocket hole, valve pocket hole two ends are connected with the oil inlet passage on both sides respectively, valve core piston is mainly made up of the cambered surface plug at middle cylinder shape valve and two ends, multiple axial notches are provided with stripper loop provided with protrusion in the middle part of valve body, the valve body face of cylinder of stripper loop both sides；Injection oil outlet is provided with housing, injection oil outlet in the middle part of valve pocket hole with connecting.The utility model reliably switches between realizing two kinds of motor vehicle fuels, valve core piston shift motion is short, switching when former fuel leaves it is few, switch latter two motor vehicle fuel substantially without batch mixing, it switches fast, automotive ignition non-jitter, working stability, so that two kinds of fuel such as methanol, gasoline, are engine feed with can sharing an injector and dependable performance.
Description
Technical field
The utility model is related to a kind of Double-fuel guide rail fuel changing-over device, and more particularly to a kind of Double-fuel is led
Rail multiple-way valve.
Background technology
Turn with to vehicle economy and alternative fuel economy, the concern of the feature of environmental protection, automaker and Market for refitting
To more economical, Cleaning Equipment, to improve efficiency and energy-conserving and environment-protective, so alternative fuel or dual-purpose fuel or pluralities of fuel
Effectively use, it is necessary to the distinct configuration of traditional fuel engine associated components, wherein for changing during two kinds of fuel charges, it is necessary to
A kind of good switching device.General single track single spraying system of the prior art, is led to before the spray rail and injector of former automobile
A set of methanol pipeline in parallel such as magnetic valve is crossed, in terms of simple in construction, repacking, but can not realize and turn completely between gasoline-methanol
Change, cause methanol cold start-up difficult.Chinese utility model patent application " Double-fuel guide rail multiple-way valve
201510088541.9 " can realize between two kinds of motor vehicle fuels reliably switching, pipeline good airproof performance, valve core piston not drift, work
Stablize so that two kinds of fuel such as methanol, gasoline, be an injector and dependable performance can be shared engine feed.But
It is that but there is following defect：One is that ball valve core switching fuel luck every trade journey is long, is shaken when causing igniting.Cut in two kinds of fuel
Valve core piston heterodromous resistance can be effectively reduced when changing, and promotes this kind of fuel for being stopped feed to be installed by injector
Hole fast evacuation, still, because ball valve core is curved surface, it is necessary to which the through hole section between two end face cylinder plugs is interior during switching fuel
Distant movement is done, such as, when shifting to gasoline from methanol, ball valve core moves to the right from the left side, blocks the right end face cylinder plug
Open trough, cut off the supply of methanol, make gasoline in the built-in channel of the left side through flowing into the injector mounting hole in the middle of through hole；When
When shifting to methanol from gasoline, ball valve core moves to the left side from the right, blocks the open trough of left side end face cylinder plug, cuts off the confession of gasoline
Give, the injector mounting hole for making the methanol in the built-in channel of the right flow into the middle of through hole.Because ball valve core not only but also play closure make
With the through-flow of injector mounting hole is ensured again, so it moves left and right stroke farther out, so when switching starting, particularly exist
Weather is difficult with methanol ignition start, it is necessary to first to use gasoline ignition start, after engine warms, could switch compared with cold season section
To methanol fuel is used, because ball spool stroke is long, causes the duration of ignition long and cause engine shake (because the duration of ignition
For gasoline injection pulse width spray be residual methanol fuel) two be because the through hole section between two end face cylinder plugs compares
Long, the former of through hole section space uses fuel quantity (methanol fuel is more) more, so during switching, the combustion of (methanol fuel) original
Doses residual quantity is more, and methanol fuel (crude fuel) force feed of residual is entered injector mounting hole by the movement of ball valve core, and injector is installed
There is more methanol fuel in hole, influence igniting starts (the extension duration of ignition and number of times).Three be using two end face cylinder plugs, end
Face cylinder plug is the multi-segment structure in different footpaths, inside sets multiple fuel feed holes, and processed complex degree is high, and cost is high.
The content of the invention
The purpose of this utility model, which is to provide between one kind can realize two kinds of motor vehicle fuels, reliably to be switched, valve core piston movement
Stroke is short, switching when the few Double-fuel guide rail multiple-way valve of former fuel leaves, switch latter two motor vehicle fuel substantially without
Batch mixing, it switches fast, automotive ignition non-jitter, working stability so that two kinds of fuel such as methanol, gasoline, can share a spray
Emitter is simultaneously fed to dependable performance for engine.
The utility model proposes a kind of Double-fuel guide rail multiple-way valve, including housing, valve core piston, valve is provided with housing
Moveable valve core piston is provided with lumen pore, valve pocket hole, valve pocket hole two ends are connected with the oil inlet passage on both sides respectively, valve core piston
The main cambered surface plug by middle cylinder shape valve and two ends is constituted, the stripper loop provided with protrusion in the middle part of valve body, stripper loop two
Multiple axial notches are provided with the valve body face of cylinder of side；Injection oil outlet, injection oil outlet and valve pocket hole middle part are provided with housing
Connection.
Preferably, the stripper loop both sides of valve core piston are respectively equipped with two water conservancy diversion annular grooves, two water conservancy diversion annular groove difference
Make multiple axial notches of the left and right sides in circumferential connection.
The stripper loop is with valve pocket hole inwall in the tight fit that can be slided relatively.
The oil inlet passage of the one end in the valve pocket hole is T-shaped three through hole integrally formed with housing, and the valve pocket hole is another
The oil inlet passage at end is the threeway end plug that T-shaped through hole is set in one.
Installation counterbore of the valve pocket hole one end provided with insertion to surface of shell, installs counterbore aperture and is more than valve pocket hole aperture, peace
Dress counterbore forms the cascaded surface of annular with valve pocket hole junction, and cascaded surface is provided with O-ring seal, and threeway end plug passes through annular
Sealing ring coordinates with installing counterbore, the sealing of valve pocket hole
Threeway end plug is that the integrally formed section with end cap is T-shaped ladder end plug；Or threeway end plug be split into
The cylindrical plag and end cap of type；Or threeway end plug is, with the double ladder end plugs for installing cover plate, to install cover plate and be provided with multiple spiral shells
Hole, and be connected by screw with housing, install and second layer sealing ring is provided between cover plate and housing.
The described through hole of T-shaped three is provided with the cambered surface groove being adapted with cambered surface plug, the threeway with valve pocket hole junction
End plug also is provided with the cambered surface groove adaptable with cambered surface plug with valve pocket hole junction.
The injection oil outlet intersects vertically with valve pocket hole.
The beneficial effects of the utility model are:Valve core piston is ingenious in design, the stripper loop and valve pocket of protrusion in the middle part of its valve body
Hole inwall in can the relative tight fit slided, can effectively with lumen pore inner wall sealing, prevent two kinds of fuel batch mixings；Stripper loop two
Axial notch on the valve body face of cylinder of side plays excessively stream effect, and the cambered surface plug at valve core piston two ends makes it when switching mobile
Reduce resistance；Valve core piston axial length increase compared with the ball valve core in former patent, shift motion shortens, depositing in valve pocket hole
Oily space is reduced, therefore former few with fuel leaves during switching, switching latter two motor vehicle fuel substantially without batch mixing, its switch soon,
Automotive ignition non-jitter, working stability；This multi-way valve structure simplifies, and only needs one end to use threeway end plug, another in order to install
End use and the through hole of the integrally formed T-shaped of housing three, reduce processing cost, simplify installation procedure；On the other hand reduce
Combination cost is installed, it is not necessary to special Pipe installing instrument and encapsulant, can be according to different automobile types engine guide rail size
Immediately it is combined into dual-purpose fuel guide rail.The setting of double ladder end plugs and second layer sealing ring, can be firmly installed threeway end plug,
Specific purpose tool is not needed, and second layer sealing ring can play leakproof plugging action again, it is close provided with annular with cascaded surface
Seal forms leakproof dual fail-safe.
In a word, the utility model reliably switches between realizing two kinds of motor vehicle fuels so that two kinds of fuel such as methanol, vapour
Oil, is engine feed with can sharing an injector and dependable performance.
Brief description of the drawings
Fig. 1 is the front view of the utility model embodiment one；
Fig. 2 is Fig. 1 A-A profiles；
Fig. 3 is the utility model valve core piston structural representation；
Fig. 4 is the structural representation of the utility model embodiment two；
Fig. 5 is the structural representation of the utility model embodiment three；
Reference：Housing 1, valve core piston 2, valve pocket hole 3, oil inlet passage 4b1.4b2.4b1.4b2, cylinder shape valve 5,
Cambered surface plug 6, stripper loop 7, axial notch 8, injection oil outlet 9, water conservancy diversion annular groove 10, threeway end plug 11, installation counterbore 12, rank
Tread 13, O-ring seal 14, the through hole 15 of T-shaped three, cambered surface groove 16a.16b, cylindrical plag 17, end cap 18, installation cover plate 19, spiral shell
Nail 20, second layer sealing ring 21.
Embodiment
Embodiment one
Reference picture 1,2,3, the present embodiment, which includes being provided with valve pocket hole 3, valve pocket hole 3 in housing 1, valve core piston 2, housing, to be set
There is moveable valve core piston 2, the two ends of valve pocket hole 3 are connected with the oil inlet passage 4 on both sides respectively, valve core piston 2 is main by centre
Cylinder shape valve 5 and the cambered surface plug 6 at two ends constitute, the stripper loop 7 provided with protrusion in the middle part of valve body, the valve of the both sides of stripper loop 7
Multiple axial notches 8 are provided with the body face of cylinder；Injection oil outlet 9 is provided with housing 1, injection oil outlet 9 connects with the middle part of valve pocket hole 3
It is logical.The both sides of stripper loop 7 of valve core piston 2 are respectively equipped with two water conservancy diversion annular grooves 10, and two water conservancy diversion annular grooves 10 make left and right respectively
Multiple axial notches 8 of both sides are in circumferential connection.The stripper loop 7 is with the inwall of valve pocket hole 3 in the tight fit that can be slided relatively.Institute
The oil inlet passage for stating the one end in valve pocket hole 3 is T-shaped three through hole 15 integrally formed with housing, and the other end of valve pocket hole 3 enters
Oily passage is the threeway end plug 11 that T-shaped through hole is set in one.Installation counterbore of the one end of valve pocket hole 3 provided with insertion to surface of shell
12, the aperture of counterbore 12 is installed and is more than valve pocket hole aperture, the cascaded surface 13 that counterbore 12 forms annular with valve pocket hole junction, rank are installed
Tread 13 is provided with O-ring seal 14, and threeway end plug 11 is matched somebody with somebody by O-ring seal 14 with installing counterbore 12, the sealing of valve pocket hole 3
Close, threeway end plug 11 is that the integrally formed section with end cap is T-shaped ladder end plug；The described through hole 15 of T-shaped three and valve pocket
The junction of hole 3 is provided with the cambered surface groove 16b being adapted with cambered surface plug, and the threeway end plug 11 also is provided with valve pocket hole junction
The cambered surface groove 16a being adapted with cambered surface plug.The injection oil outlet 9 intersects vertically with valve pocket hole 3.Oil inlet passage
4b1.4b2 enters same fuel B, and oil inlet passage 4a1.4a2 enters another fuel A.In Fig. 1, when exterior line stops to oil-feed
Passage 4a1.4a2 fuel A supplies, while exterior line starts to supply oil inlet passage 4b1.4b2 fuel B, and fuel B passes through
Pressure is conveyed, and is moved to the left valve core piston 2 under fuel B pressure impetuses, is effectively blocked the threeway end plug 11 on the left side
Cambered surface groove 16a；When needing switching, exterior line stops supplying oil inlet passage 4b1.4b2 fuel B, while exterior tube
Road starts to supply oil inlet passage 4a1.4a2 fuel A, and fuel A is conveyed by pressure, is made under fuel A pressure impetuses
Valve core piston 2 moves right, and effectively blocks the cambered surface groove 16b of the through hole 15 of T-shaped three on the right.
Embodiment two
Reference picture 4, the present embodiment and embodiment one are essentially identical, and difference is, threeway end plug is what split was molded
Cylindrical plag 17 and end cap 18.
Embodiment three
Reference picture 5, the present embodiment and embodiment one are essentially identical, and difference is, threeway end plug is with installation lid
Double ladder end plugs of plate 19, install cover plate and are provided with multiple screws, and are connected by screw 20 with housing, install cover plate and housing
Between be provided with second layer sealing ring 21.
Claims (8)
1. a kind of Double-fuel guide rail multiple-way valve, it is characterised in that including housing, valve core piston, valve pocket hole is provided with housing,
Moveable valve core piston is provided with valve pocket hole, valve pocket hole two ends are connected with the oil inlet passage on both sides respectively, and valve core piston is main
It is made up of the cambered surface plug at middle cylinder shape valve and two ends, the stripper loop provided with protrusion in the middle part of valve body, stripper loop both sides
Multiple axial notches are provided with the valve body face of cylinder；Injection oil outlet is provided with housing, injection oil outlet in the middle part of valve pocket hole with connecting.
2. Double-fuel guide rail multiple-way valve according to claim 1, it is characterised in that the stripper loop both sides of valve core piston
Two water conservancy diversion annular grooves are respectively equipped with, two water conservancy diversion annular grooves make multiple axial notches of the left and right sides in circumferential connection respectively.
3. Double-fuel guide rail multiple-way valve according to claim 1, it is characterised in that in the stripper loop and valve pocket hole
Wall is in the tight fit that can be slided relatively.
4. Double-fuel guide rail multiple-way valve according to claim 1, it is characterised in that the one end in the valve pocket hole is entered
Oily passage is T-shaped three through hole integrally formed with housing, and the oil inlet passage of the valve pocket hole other end is to set T-shaped through hole in one
Threeway end plug.
5. Double-fuel guide rail multiple-way valve according to claim 4, it is characterised in that valve pocket hole one end is provided with insertion extremely
The installation counterbore of surface of shell, installs counterbore aperture and is more than valve pocket hole aperture, installs counterbore and forms annular with valve pocket hole junction
Cascaded surface, cascaded surface be provided with O-ring seal, threeway end plug by O-ring seal with install counterbore, valve pocket hole seal matches somebody with somebody
Close
6. Double-fuel guide rail multiple-way valve according to claim 4, it is characterised in that threeway end plug is one with end cap
Body formed section is T-shaped ladder end plug；Or threeway end plug is the cylindrical plag and end cap that split is molded；Or threeway end plug
Multiple screws are provided with the double ladder end plugs for installing cover plate, to install cover plate, and are connected by screw with housing, lid is installed
Second layer sealing ring is provided between plate and housing.
7. Double-fuel guide rail multiple-way valve according to claim 4, it is characterised in that the described through hole of T-shaped three and valve
Lumen pore junction is provided with the cambered surface groove being adapted with cambered surface plug, and the threeway end plug also is provided with and arc with valve pocket hole junction
The adaptable cambered surface groove of face plug.
8. Double-fuel guide rail multiple-way valve according to claim 1, it is characterised in that the injection oil outlet and valve pocket
Hole intersects vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424210.4U CN206386192U (en) | 2016-12-23 | 2016-12-23 | Double-fuel guide rail multiple-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424210.4U CN206386192U (en) | 2016-12-23 | 2016-12-23 | Double-fuel guide rail multiple-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386192U true CN206386192U (en) | 2017-08-08 |
Family
ID=59490971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621424210.4U Expired - Fee Related CN206386192U (en) | 2016-12-23 | 2016-12-23 | Double-fuel guide rail multiple-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762169A (en) * | 2016-12-23 | 2017-05-31 | 胡永军 | Double-fuel guide rail multiple-way valve |
| CN116220611A (en) * | 2023-02-06 | 2023-06-06 | 江苏苏盐阀门机械有限公司 | Corrosion-proof oil well valve |
-
2016
- 2016-12-23 CN CN201621424210.4U patent/CN206386192U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762169A (en) * | 2016-12-23 | 2017-05-31 | 胡永军 | Double-fuel guide rail multiple-way valve |
| CN106762169B (en) * | 2016-12-23 | 2023-10-20 | 天津市卡尔斯顿阀门有限公司 | Multi-way valve for dual-fuel guide rail of automobile |
| CN116220611A (en) * | 2023-02-06 | 2023-06-06 | 江苏苏盐阀门机械有限公司 | Corrosion-proof oil well valve |
| CN116220611B (en) * | 2023-02-06 | 2023-09-01 | 江苏苏盐阀门机械有限公司 | Corrosion-proof oil well valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20181223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |