CN204476570U - Double-fuel guide rail multiple-way valve - Google Patents
Double-fuel guide rail multiple-way valve Download PDFInfo
- Publication number
- CN204476570U CN204476570U CN201520116942.6U CN201520116942U CN204476570U CN 204476570 U CN204476570 U CN 204476570U CN 201520116942 U CN201520116942 U CN 201520116942U CN 204476570 U CN204476570 U CN 204476570U
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- CN
- China
- Prior art keywords
- hole
- fuel
- guide rail
- double
- way valve
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- Expired - Fee Related
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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 COMM communication field, comprise housing, end face cylinder plug, valve core piston, through hole is had in housing, moveable valve core piston is provided with in through hole, through hole two ends are provided with two end face cylinder plugs, establish built-in channel in end face cylinder plug, and end face cylinder plug surface has the oil inlet hole connected with this built-in channel; Housing two ends have guide rails assembling hole, and the guide rails assembling hole at two ends is communicated with both ends of the surface cylinder oil inlet hole beyond the Great Wall respectively; Housing has sparger mounting hole, sparger mounting hole is communicated with in the middle part of through hole.This device to realize between two kinds of automotive fuel guide rails reliably switching and share that same sparger, line seal are good, valve core piston not drift, working stability, not batch mixing during two kinds of Fuel switchings, effectively prevent from mutually entering fuel tank during two kinds of Fuel switchings, the installation of various vehicle can be widely used in.
Description
Technical field
The utility model relates to a kind of Double-fuel guide rail fuel changing-over device, particularly a kind of Double-fuel guide rail multiple-way valve.
Background technique
Along with the concern to vehicle economy and alternative fuel Economy, the feature of environmental protection, automaker and Market for refitting turn to more economically, Cleaning Equipment, to raise the efficiency and energy-conserving and environment-protective, so effective use of alternative fuel or dual-purpose fuel or pluralities of fuel, need the distinct configuration of traditional fuel motor associated components, time wherein for changing two kinds of fuel charge, need a kind of good COMM communication.General single track single spraying system of the prior art, by a set of methyl alcohol pipelines in parallel such as solenoid valves before the spray rail and sparger of former automobile, structure is simple, repacking aspect, but can not realize between gasoline-methyl alcohol changing completely, causes methyl alcohol cold start-up difficulty.Patent 201320765146.6 dual fuel injection device, although solve the problem changed completely between gasoline-methyl alcohol, but but there is following defect: one is the mistake oil mass that the problems such as the blocking of filter screen after the filter precision of filter screen or Long-Time Service can affect fuel, and the fuel directly affecting sparger sprays and supply, two is in motor fuel long-term work, and the gap between piston and piston in cylinder wall is too little, and the minute impurities of fuel can cause the flexibility of piston, thus affects the seal of wherein fuel, causes the mutual mixing of fuel, three is when piston moves to a side, one side's fuel pressure can keep in a period of time, cause piston cannot be airtight and cause fuel to flow mixing to the opposing party, two kinds of fuel all can be mixed in container or fuel tank mutually, if too much at the methyl alcohol of petrol tank mixing, the starting problem of vehicle can be caused, if the gasoline cold start-up mixing too much methyl alcohol is on the other hand too poor numerous, when engine temperature cannot reach methyl alcohol best combustion temperature, bad or the incomplete methyl alcohol of fuel can penetrate into cylinder body rare Xi lubricating oil by the gap between piston ring and cylinder bore wall, the premature abrasion of motor is caused to cause engine damage.Four is that the combined amount of two kinds of fuel in cylinder is relatively many, and motor can be caused when fuel is changed mutually to shake.Five is at three-way valve top pipe laying or guide rail, adds rail height, can affect installation for compact type vehicle.Be mounted opposite vehicle can reduce.
Summary of the invention
The purpose of this utility model be to provide a kind ofly to realize between two kinds of automotive fuels reliably switching, line seal is good, valve core piston not drift, working stability Double-fuel guide rail multiple-way valve, make two kinds of fuel as methyl alcohol, gasoline, a sparger can be shared and reliable performance for motor feed.
The utility model proposes a kind of Double-fuel guide rail multiple-way valve, comprise housing, end face cylinder plug, valve core piston, through hole is had in housing, moveable valve core piston is provided with in through hole, through hole two ends are provided with two end face cylinder plugs, establish built-in channel in end face cylinder plug, end face cylinder plug surface has the oil inlet hole connected with this built-in channel; Housing two ends have guide rails assembling hole, and the guide rails assembling hole at two ends is communicated with both ends of the surface cylinder oil inlet hole beyond the Great Wall respectively; Housing has sparger mounting hole, sparger mounting hole is communicated with in the middle part of through hole.
Preferably, described valve core piston is ball valve core.
The inner of described end face cylinder plug is provided with open trough, and open trough size and valve core piston matching size close, and described valve core piston adopts the material with suitably flexibility and hardness.
Described end face cylinder plug stage casing concave circularizes oil-feed tank, and most oil inlet holes are offered on the surface of annular oil-feed tank, and annular oil-feed tank and through-hole wall form airtight appearance oil pocket.
Described guide rails assembling hole is communicated with appearance oil pocket.
Described multiple oil inlet hole is along the circumferential direction uniform, and multiple oil inlet hole axis is positioned at same plane, is provided with one-way valve in described built-in channel.
Some guide rails assembling holes are divided into through hole two ends, and the guide rails assembling hole being positioned at same one end is one or more, respectively fuel rail is housed in each guide rails assembling hole.
Two guide rails are respectively equipped with at described through hole two ends, described sparger mounting hole axis is vertical with guide rails assembling axially bored line, multiple Double-fuel guide rail multiple-way valve can be contained on each air inlet single tube of automotive air intake menifold respectively, and the oil circuit guide rail between two adjacent Double-fuel guide rail multiple-way valves is interconnected by connecting hose.
The inner of described end face cylinder plug is provided with inner seal ring, and the outer end of end face cylinder plug is provided with exterior seal ring,
The outer end of described end face cylinder plug is provided with outside thread, and through hole two ends inwall is provided with internal thread.
The beneficial effects of the utility model are: valve core piston is ball valve core, spherical designs effectively can reduce the heterodromous resistance of valve core piston when two kinds of Fuel switchings, and promote that this kind of fuel being stopped feed is by sparger mounting hole fast evacuation, valve core piston is made to move to opposite side effectively airtight, ball valve core adopts plastics, plastic cement etc. to have the non-metallic material of certain flexibility and hardness, is conducive to the sealing between valve core piston and through-hole wall, utilize two circle sealing means of compression type, by the inner seal ring compressive deformation of the projection of end face cylinder plug the inner, make to seal between end face cylinder plug the inner and through hole stage casing inwall, and valve core piston by force feed to i.e. end face cylinder plug inner and enter or part enters in the open trough of end face cylinder plug time, make valve core piston and the inner effective sealing of end face cylinder plug, avoid the batch mixing of two kinds of fuel, make valve core piston, can there is sufficient gap also can not batch mixing between valve core piston chamber, avoid because of this gap too little time can cause the flexibility of piston because of the minute impurities of fuel, thus affect the seal of wherein fuel, cause the mutual mixing of fuel, the outer end of described end face cylinder plug is provided with exterior seal ring, by this exterior seal ring, end face cylinder is held beyond the Great Wall and seals between the inwall of through hole two ends, appearance oil pocket can be made to form an airtight space, avoid escape of fuel, batch mixing phenomenon, the outer end of described end face cylinder plug is threaded with through hole two ends, and the relative position between sealing bolt fine-tuning end face cylinder plug and housing inner via hole, thus the stroke of regulating spool piston reach best switching effect, the built-in channel of end face cylinder plug, the unique design of oil inlet hole, the appearance oil pocket of each end face cylinder plug can be communicated with multiple guide rail, multiple Double-fuel guide rail multiple-way valve can in a row or not be contained on each air inlet single tube of automotive air intake menifold in rows respectively, guide rail between two adjacent Double-fuel guide rail multiple-way valves is interconnected by connecting hose, both the effect of the sparger fuel feeding into the double fuel guide rail multiple-way valve on this air inlet single tube and correspondence thereof had been played, play again the effect into the double fuel guide rail multiple-way valve transmission fuel on other air inlet single tubes, even if the guide rail in orthodox car fuel system, rail brackets, the function of Fuel switching valve has all been integrated on this double fuel guide rail multiple-way valve, serve and reduce costs, save the effect of installing space, adopt the parts such as dismountable end face cylinder plug, valve core piston, end face cylinder plug, be convenient to maintenance, maintenance, adopt connecting hose to be connected between split type multiple valves, the installation of various vehicle can be widely used in.In a word, the utility model can realize reliably switching between two kinds of automotive fuels, makes two kinds of fuel as methyl alcohol, gasoline, a sparger can be shared and reliable performance for motor feed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model valve core piston when being positioned at A position;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the structural representation of the utility model valve core piston when being positioned at B position;
Fig. 4 is the utility model scheme of installation;
Reference character: housing 1, end face cylinder plug 2, valve core piston 3, through hole 4, built-in channel 5, oil inlet hole 6, guide rails assembling hole, left side 7a1.7a2, guide rails assembling hole, the right 7b1.7b2, sparger mounting hole 8, open trough 9, annular oil-feed tank 10, appearance oil pocket 11, one-way valve 12, fuel rail 13, connecting hose 14, inner seal ring 15, exterior seal ring 16, valve core piston chamber 17.
Embodiment
With reference to Fig. 1, Fig. 2, the present embodiment comprises housing 1, end face cylinder plug 2, valve core piston 3, through hole 4 is had in housing, moveable valve core piston 3 is provided with in through hole 4, through hole two ends are provided with two end face cylinder plugs 2, establish built-in channel 5 in end face cylinder plug, end face cylinder plug 2 surface has the oil inlet hole 6 connected with this built-in channel; Housing 1 two ends have guide rails assembling hole, and the guide rails assembling hole at two ends is communicated with both ends of the surface cylinder oil inlet hole 6 beyond the Great Wall respectively; On housing, 1 has sparger mounting hole 8, and sparger mounting hole 8 is communicated with in the middle part of through hole 4.Described valve core piston 3 is ball valve core.The inner of described end face cylinder plug 2 is provided with open trough 9, and open trough size and valve core piston 3 matching size close, and described valve core piston 3 adopts the material with suitably flexibility and hardness.Described end face cylinder plug 2 stage casing concave circularizes oil-feed tank 10, and most oil inlet holes 6 are offered on the surface of annular oil-feed tank 10, and annular oil-feed tank 10 forms airtight appearance oil pocket 11 with through hole 4 inwall.Described guide rails assembling hole is communicated with appearance oil pocket 11.Described multiple oil inlet hole 6 is along the circumferential direction uniform, and multiple oil inlet hole 6 axis is positioned at same plane, is provided with one-way valve 12 in described built-in channel 5.Some guide rails assembling holes are divided into through hole two ends, and the guide rails assembling hole being positioned at same one end is one or more, in each guide rails assembling hole, fuel rail 13 is housed respectively.Two guide rails are respectively equipped with at described through hole 4 two ends, described sparger mounting hole 8 axis is vertical with guide rails assembling axially bored line, multiple Double-fuel guide rail multiple-way valve can be contained on each air inlet single tube of automotive air intake menifold respectively, and the oil circuit guide rail between two adjacent Double-fuel guide rail multiple-way valves is interconnected by connecting hose 14.The inner of described end face cylinder plug 2 is provided with inner seal ring 15, and the outer end of end face cylinder plug is provided with exterior seal ring 16, and the outer end of described end face cylinder plug 2 is provided with outside thread, and through hole two ends inwall is provided with internal thread.
During work, see Fig. 1, when fuel to enter the valve core piston chamber 17 in through hole stage casing through left side end face cylinder from the guide rails assembling hole 7a1 of side, the left side, when pressure is greater than thrust valve setup pressure value, fuel propels valve core piston 3 moves right to A position, valve core piston 3 enters in the open trough of end face cylinder plug the inner, the right, makes valve core piston 3 effectively block the built-in channel of the right end face cylinder plug under the effect of inner seal ring and fuel pressure; Now, path is formed between guide rails assembling hole 7a1, the 7a2 of both sides, the left side, left side cylinder plug, valve core piston chamber 17, sparger mounting hole 8, fuel enters motor by sparger, and fuel enters the Double-fuel sparger multiple-way valve of next automotive air intake single tube by guide rails assembling hole 7a2 and interior guide rail thereof simultaneously; Valve core piston 7, by the right end face cylinder plug shutoff, stops the fuel admission valve core piston cavity 17 in guide rails assembling hole, the side 7b1 of the right.Guide rails assembling hole 7a1,7a2 of both sides, the left side enter the first fuel, and guide rails assembling hole 7a1,7a2 of both sides, the right enter another kind of fuel.
When switching fuel, see Fig. 3, the guide rails assembling hole 7a1 of side, the left side stops for fuel, simultaneously, when starting the right guide rails assembling hole, side 7b1 for fuel, fuel propels valve core piston 7 is moved to the left to B position, under the effect of inner seal ring and fuel pressure, make valve core piston 3 effectively block the built-in channel of left side end face cylinder plug, guide rails assembling hole, side, left side 7a1 fuel is stoped to enter valve core piston chamber 6, now, the guide rails assembling hole 7b1 of both sides, the right, 7b2, right side cylinder plug, valve core piston chamber 17, path is formed between sparger mounting hole 8, fuel enters motor by sparger, fuel enters the Double-fuel sparger multiple-way valve of next automotive air intake single tube by guide rails assembling hole 7b2 and interior guide rail thereof simultaneously.
Claims (10)
1. a Double-fuel guide rail multiple-way valve, it is characterized in that, comprise housing, end face cylinder plug, valve core piston, through hole is had in housing, moveable valve core piston is provided with in through hole, through hole two ends are provided with two end face cylinder plugs, establish built-in channel in end face cylinder plug, and end face cylinder plug surface has the oil inlet hole connected with this built-in channel; Housing two ends have guide rails assembling hole, and the guide rails assembling hole at two ends is communicated with both ends of the surface cylinder oil inlet hole beyond the Great Wall respectively; Housing has sparger mounting hole, sparger mounting hole is communicated with in the middle part of through hole.
2. Double-fuel guide rail multiple-way valve according to claim 1, is characterized in that, described valve core piston is ball valve core.
3. Double-fuel guide rail multiple-way valve according to claim 1 and 2, is characterized in that, the inner of described end face cylinder plug is provided with open trough, and open trough size and valve core piston matching size close, and described valve core piston adopts the material with suitably flexibility and hardness.
4. Double-fuel guide rail multiple-way valve according to claim 1, is characterized in that, described end face cylinder plug stage casing concave circularizes oil-feed tank, and most oil inlet holes are offered on the surface of annular oil-feed tank, and annular oil-feed tank and through-hole wall form airtight appearance oil pocket.
5. Double-fuel guide rail multiple-way valve according to claim 4, is characterized in that, described guide rails assembling hole is communicated with appearance oil pocket.
6. Double-fuel guide rail multiple-way valve according to claim 1, is characterized in that, described multiple oil inlet hole is along the circumferential direction uniform, and multiple oil inlet hole axis is positioned at same plane, is provided with one-way valve in described built-in channel.
7. Double-fuel guide rail multiple-way valve according to claim 1, is characterized in that, some guide rails assembling holes are divided into through hole two ends, and the guide rails assembling hole being positioned at same one end is one or more, respectively fuel rail is housed in each guide rails assembling hole.
8. Double-fuel guide rail multiple-way valve according to claim 7, it is characterized in that, two guide rails are respectively equipped with at described through hole two ends, described sparger mounting hole axis is vertical with guide rails assembling axially bored line, multiple Double-fuel guide rail multiple-way valve can be contained on each air inlet single tube of automotive air intake menifold respectively, and the oil circuit guide rail between two adjacent Double-fuel guide rail multiple-way valves is interconnected by connecting hose.
9. Double-fuel guide rail multiple-way valve according to claim 1, is characterized in that, the inner of described end face cylinder plug is provided with inner seal ring, and the outer end of end face cylinder plug is provided with exterior seal ring.
10. Double-fuel guide rail multiple-way valve according to claim 1, is characterized in that, the outer end of described end face cylinder plug is provided with outside thread, and through hole two ends inwall is provided with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520116942.6U CN204476570U (en) | 2015-02-26 | 2015-02-26 | Double-fuel guide rail multiple-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520116942.6U CN204476570U (en) | 2015-02-26 | 2015-02-26 | Double-fuel guide rail multiple-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476570U true CN204476570U (en) | 2015-07-15 |
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ID=53632367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520116942.6U Expired - Fee Related CN204476570U (en) | 2015-02-26 | 2015-02-26 | Double-fuel guide rail multiple-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204476570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696083A (en) * | 2015-02-26 | 2015-06-10 | 胡松平 | Automobile duel fuel guide rail multi-way valve |
| CN107366577A (en) * | 2017-07-03 | 2017-11-21 | 胡永军 | Automobile double spray-hole multiple-way valve |
-
2015
- 2015-02-26 CN CN201520116942.6U patent/CN204476570U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696083A (en) * | 2015-02-26 | 2015-06-10 | 胡松平 | Automobile duel fuel guide rail multi-way valve |
| CN104696083B (en) * | 2015-02-26 | 2017-05-31 | 胡松平 | Double-fuel guide rail multiple-way valve |
| CN107366577A (en) * | 2017-07-03 | 2017-11-21 | 胡永军 | Automobile double spray-hole multiple-way valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20170226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |