CN206206035U - The electric injection fuel system of shipboard - Google Patents
The electric injection fuel system of shipboard Download PDFInfo
- Publication number
- CN206206035U CN206206035U CN201621081634.5U CN201621081634U CN206206035U CN 206206035 U CN206206035 U CN 206206035U CN 201621081634 U CN201621081634 U CN 201621081634U CN 206206035 U CN206206035 U CN 206206035U
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- valve
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- exhaust
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Abstract
The utility model discloses a kind of electric injection fuel system of shipboard, including the fuel tank being sequentially connected by oil pipe, hand oil pump, diaphragm lobe pump, filter, oil storage cup, electric oil pump, fuel injector, pressure valve and manual exhaust valve, the oil-out of pressure valve is connected with the mouth that backs into of oil storage cup, also there is exhaust outlet on oil storage cup, oil pipe between fuel injector and pressure valve is connected with auxiliary piping by three-way connector, the auxiliary piping other end connects the air inlet port of above-mentioned manual exhaust valve, the exhaust port of manual exhaust valve backs into mouth and is connected by return duct with the auxiliary of oil storage cup, when exist in oil pipe air cause gasoline cannot reach oil pressure in atomizer and oil pipe be not enough to open pressure valve when, manual unlocking manual exhaust valve, manually air bleeding valve and return line flow exclude air to oil storage cup is interior to make the air in oil pipe；The utility model can effectively solve the problem that the air discharge in oil pipe interior sealing space, starting is more facilitated.
Description
Technical field
The utility model is related to a kind of shipboard, more particularly to a kind of electric injection fuel system of shipboard.
Background technology
In the case of without accumulator drive, initial start-up can be relatively difficult for electrojet outboard engine, and reason is close for oil pipe oil circuit
Envelope space, has air to discharge, and constantly to pull boot disk, electric oil pump is worked, and excludes oily inner air tube, makes fuel oil
Certain operating pressure is reached, the purpose of startup is reached to fuel injector fuel feeding.
The content of the invention
The utility model purpose is：A kind of electric injection fuel system of shipboard is provided, it can effectively solve the problem that close in oil pipe
The air discharge in space is sealed, starting is more facilitated.
The technical solution of the utility model is：A kind of electric injection fuel system of shipboard, including be sequentially connected by oil pipe
Fuel tank, hand oil pump, diaphragm lobe pump, filter, oil storage cup, electric oil pump, fuel injector and pressure valve, pressure valve it is fuel-displaced
Mouth is connected with the mouth that backs into of oil storage cup, also has exhaust outlet on the oil storage cup, and the system also includes manual exhaust valve, above-mentioned spray
Oil pipe between oily device and pressure valve is connected with auxiliary piping, auxiliary piping one end and three-way connector by three-way connector
One side outlet is connected, and the other end connects the air inlet port of above-mentioned manual exhaust valve, and the exhaust port of manual exhaust valve is by backflow
Pipe backs into mouth and is connected with the auxiliary of oil storage cup, causes the gasoline cannot to reach oil pressure in atomizer and oil pipe when there is air in oil pipe
When being not enough to open pressure valve, manual unlocking manual exhaust valve makes air in oil pipe manually air bleeding valve and return line flow
Air is excluded in oil storage cup.
The concrete structure of the manual exhaust valve is：A kind of electric injection fuel system of shipboard of manual exhaust valve, bag
The valve component of up/down perforation is included, suction nozzle is provided with the upper shed of valve component, be provided with moving up and down in valve component
Movable member, the movable member is including stretching out in the button of valve component lower port, positioned at button upper end and and valve component
Manual valve element that inner wall sealing coordinates and positioned at button upper end and stretch into the valve rod of suction nozzle inner chamber, the valve component sidepiece
There is return-air mouth in the top of manual valve element, being formed with exhaust between above-mentioned suction nozzle and return-air mouth inside valve component leads to
Road, the upper end of the valve rod is formed with the valve disc for opening and closing exhaust passage, and the suction nozzle inner chamber is under valve disc
Side is provided with stop-motion seat, and above-mentioned valve rod is located in the stop-motion seat and can be moved up and down with respect to it, when air bleeding valve is in the closed position,
Against on stop-motion seat, exhaust passage is blocked and is closed valve disc, and when air bleeding valve is in an open position, valve disc is upwardly separated from
Stop-motion seat and there is gap between the two, exhaust passage is in open mode, the valve component also includes being used for towards opening
Position promotes the spring member of movable member.Above-mentioned auxiliary piping, return duct respectively with the suction nozzle and outlet of manual exhaust valve
Mouth is connected.
Preferably, the valve pocket of the valve component including up/down perforation and the return-air body being set on valve pocket, it is above-mentioned enter
Valve and movable member are arranged on the valve pocket, and the return-air mouth is installed on the mounting hole of return-air body, and return-air mouth
Inner chamber connects with the exhaust outlet of valve pocket.
Preferably, the lower edges of the return-air body are tightly connected with valve pocket respectively, and return-air body is in upper and lower sealing
Between be formed with ring-type air guide channel, the exhaust outlet of the valve pocket is by the ring-type air guide channel and return-air mouth inner space.
Preferably, the valve component also includes being arranged on valve pocket top and being easily installed fixed fixing nut.
Preferably, the spring member includes the (the first back-moving spring being arranged between button and valve component and sets
Second back-moving spring between valve rod and stop-motion seat.
Preferably, the button stretches out the part of valve component and is covered with elastic block, the shade mouthful of the elastic block
Closely it is connected between valve component bottom.The elastic block can be rubber block.
Preferably, the valve disc is integrally formed with valve rod.
The utility model has the advantages that：The utility model simple structure, it is easy to operate, during use, when oil pipe internal memory
Air cause gasoline cannot reach oil pressure in atomizer and oil pipe be not enough to open pressure valve when, manual unlocking manual exhaust
Valve, manually air bleeding valve and return line flow, to exclusion air in oil storage cup, so can effectively solve the problem that to make the air in oil pipe
The air discharge in oil pipe interior sealing space, makes starting more facilitate.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Fig. 1 is annexation figure of the present utility model；
Fig. 2 is structural representation when manual exhaust valve is in the closed position in the utility model；
Fig. 3 is structural representation when manual exhaust valve is in an open position in the utility model.
Wherein：A fuel tanks；B hand oil pumps；C diaphragm lobe pumps；E filters；F oil storage cups；F1 backs into mouth；F2 auxiliary is backed into
Mouthful；F3 exhaust outlets；G electric oil pumps；H fuel injectors；I pressure valve；J manual exhaust valves；K three-way connectors；L auxiliary pipings；M flows back
Pipe；
1 valve component；11 suction nozzles；12 return-air mouths；13 exhaust passages；14 stop-motion seats；15 valve pockets；151 exhaust outlets；16 times
Gas body；17 ring-type air guide channels；18 fixing nuts；
2 movable members；21 buttons；22 manual valve elements；23 valve rods；24 valve discs；
3 spring members；31 (the first back-moving springs；32 second back-moving springs；
4 elastic blocks.
Specific embodiment
Embodiment：As shown in figure 1, a kind of electric injection fuel system of shipboard, including the fuel tank being sequentially connected by oil pipe
A, hand oil pump B, diaphragm lobe pump C, filter E, oil storage cup F, electric oil pump G, fuel injector H and pressure valve I, pressure valve I's
Oil-out is connected with mouthful F1 that backs into of oil storage cup F, and also has exhaust outlet F3 on the oil storage cup F, it is characterised in that：The system is also
Including manual exhaust valve J, the oil pipe between above-mentioned fuel injector H and pressure valve I is connected with auxiliary piping L by three-way connector K,
Auxiliary piping L one end is connected with a side outlet of three-way connector K, and the other end connects the air inlet port of above-mentioned manual exhaust valve J,
The exhaust port of manual exhaust valve J backs into a mouthful F2 and is connected by return duct M with the auxiliary of oil storage cup F, when there is air in oil pipe
Cause gasoline cannot reach oil pressure in atomizer and oil pipe be not enough to open pressure valve I when, manual unlocking manual exhaust valve J makes
Manually air bleeding valve J and return duct M flow to exclusion air in oil storage cup F to air in oil pipe.
The concrete structure of the manual exhaust valve J is：As depicted in figs. 1 and 2, the manual exhaust valve J includes passing through up and down
Logical valve component 1, is provided with suction nozzle 11, valve component 1 at the upper shed of valve component 1 and is provided with moving up and down movable
Part 2, the movable member 2 include stretch out in the lower port of valve component 1 button 21, positioned at the upper end of button 21 and with valve seat group
Manual valve element 22 that the inner wall sealing of part 1 coordinates and positioned at the upper end of button 21 and stretch into the valve rod 23 of the inner chamber of suction nozzle 11, the valve
The sidepiece of holder assembly 1 has return-air mouth 12 in the top of manual valve element 22, in above-mentioned suction nozzle 11 and return-air mouth inside valve component 1
Exhaust passage 13 is formed between 12, the upper end of the valve rod 23 is formed with the valve disc for opening and closing exhaust passage 13
24, the inner chamber of the suction nozzle 11 is provided with stop-motion seat 14 in the lower section of valve disc 24, above-mentioned valve rod 23 be located in the stop-motion seat 14 and
Can be with respect to its up and down motion, when air bleeding valve is in the closed position, against on stop-motion seat 14, exhaust passage 13 is blocked place to valve disc 24
In closed mode, when air bleeding valve is in an open position, valve disc 24 is upwardly separated from stop-motion seat 14 and there is gap between the two, exhaust
Passage 13 is in open mode, and the valve component 1 also includes the spring member for promoting movable member 2 towards open position
3.Wherein, the spring member 3 includes being arranged on the (the first back-moving spring 31 between button 21 and valve component 1 and being arranged on
Second back-moving spring 32 between valve rod 23 and stop-motion seat 14.Above-mentioned auxiliary piping L, return duct M are respectively with manual exhaust valve J's
Suction nozzle 11 and outlet nozzle 12 are connected.
In the present embodiment, the return-air sheet that the valve component 1 includes the valve pocket 15 of up/down perforation and is set on valve pocket 15
Body 16, above-mentioned suction nozzle 11 and movable member 2 are arranged on the valve pocket 15, and the return-air mouth 12 is installed in return-air body 16
Mounting hole on, and the inner chamber of return-air mouth 12 connects with the exhaust outlet 151 of valve pocket 15.The lower edges difference of the return-air body 16
It is tightly connected with valve pocket 15, return-air body 16 is formed with ring-type air guide channel 17 between upper and lower sealing, the valve pocket 15
Exhaust outlet 151 is by the ring-type air guide channel 17 and the inner space of return-air mouth 12.
Fixed for the ease of the installation between the air bleeding valve and other devices, the valve component 1 also includes being arranged on valve
Cover the fixing nut 18 on 15 tops.
In order to play more preferable protective effect to movable member, extend whole service life, the present embodiment is in the button
21 parts for stretching out valve component 1 are covered with elastic block 4, between the shade mouthful of the elastic block 4 and the bottom of valve component 1
Closely connection.Wherein, the elastic block 4 is preferably rubber block.
In order to reduce part, simplify assembling, the valve disc 24 selects integrally formed structure with valve rod 23.
The operation principle of the manual exhaust valve J is：When needing exhaust, it is only necessary to press button, button drive manual valve element,
Moved on valve rod and valve disc, valve disc is departed from stop-motion seat, exhaust passage is in open mode, now realizes exhaust；After the completion of exhaust,
Only need to decontrol button, movable member resets in the presence of spring member and moves down, and valve disc makes exhaust passage automatically against stop-motion seat
Return to closed mode.
Operation principle of the present utility model is：
Press hand oil pump, gasoline, by diaphragm lobe pump, flows through filter and fill from external fuel tank manually oil pump
Oil storage cup.
When starting without battery electrojet outboard engine, boot disk (being powered to electric oil pump) is pulled first, gasoline is from oil storage cup
Electric oil pump is flowed into, the gasoline of certain operating pressure that electric oil pump is flowed out after being powered reaches atomizer, due to oil pipe front end
There is pressure valve, oil pipe cannot discharge (gasoline cannot reach atomizer due to the air in oil pipe) in sealing state air, this
When need to press manual exhaust valve, manually air bleeding valve flows to air is excluded in oil storage cup oily inner air tube.
Boot disk is pulled again, and machine just can easily start.
The utility model simple structure, it is easy to operate, the air discharge in oil pipe interior sealing space is can effectively solve the problem that, make
It is dynamic more to facilitate.
The above is only concrete application example of the present utility model, any limit is not constituted to protection domain of the present utility model
System.In addition to the implementation, the utility model can also have other embodiment.All use equivalents or equivalent transformation are formed
Technical scheme, all fall within the utility model it is claimed within the scope of.
Claims (9)
1. a kind of electric injection fuel system of shipboard, including fuel tank (A), hand oil pump (B), the diaphragm being sequentially connected by oil pipe
Lobe pump (C), filter (E), oil storage cup (F), electric oil pump (G), fuel injector (H) and pressure valve (I), pressure valve (I's) goes out
Hydraulic fluid port is connected with the mouth (F1) that backs into of oil storage cup (F), also has exhaust outlet (F3) on the oil storage cup (F), it is characterised in that：Should
System also includes manual exhaust valve (J), and the oil pipe between above-mentioned fuel injector (H) and pressure valve (I) is connected by three-way connector (K)
Auxiliary piping (L) is connected to, auxiliary piping (L) one end is connected with a side outlet of three-way connector (K), the other end connects above-mentioned hand
The air inlet port of dynamic air bleeding valve (J), the exhaust port of manual exhaust valve (J) is returned by return duct (M) with the auxiliary of oil storage cup (F)
Entrance (F2) be connected, when exist in oil pipe air cause gasoline cannot reach oil pressure in atomizer and oil pipe be not enough to open pressure
During valve (I), manual unlocking manual exhaust valve (J), manually air bleeding valve (J) and return duct (M) are flowed to make the air in oil pipe
Air is excluded in oil storage cup (F).
2. the electric injection fuel system of a kind of shipboard according to claim 1, it is characterised in that：The manual exhaust valve bag
The valve component (1) of up/down perforation is included, is provided with the upper shed of valve component (1) in suction nozzle (11), valve component (1) and is provided with
Movable member (2) moving up and down, the movable member (2) including stretch out in valve component (1) lower port button (21),
Positioned at button (21) upper end and with valve component (1) inner wall sealing coordinate manual valve element (22) and positioned at button (21) upper end
And the valve rod (23) of suction nozzle (11) inner chamber is stretched into, valve component (1) sidepiece has back in the top of manual valve element (22)
Exhaust passage (13), institute are formed between above-mentioned suction nozzle (11) and return-air mouth (12) inside valve (12), valve component (1)
The upper end for stating valve rod (23) is formed with valve disc (24) for opening and closing exhaust passage (13), suction nozzle (11) inner chamber
Stop-motion seat (14) is provided with below valve disc (24), above-mentioned valve rod (23) is located in the stop-motion seat (14) and can be upper and lower with respect to its
Motion, when air bleeding valve is in the closed position, against on stop-motion seat (14), exhaust passage (13) are blocked in closing valve disc (24)
State, when air bleeding valve is in an open position, valve disc (24) is upwardly separated from stop-motion seat (14) and there is gap between the two, and exhaust is logical
In open mode, the valve component (1) also includes the spring for promoting movable member (2) towards open position in road (13)
Component (3), above-mentioned auxiliary piping, return duct are connected with the suction nozzle and outlet nozzle of manual exhaust valve respectively.
3. the electric injection fuel system of a kind of shipboard according to claim 2, it is characterised in that：The valve component (1)
Valve pocket (15) including up/down perforation and the return-air body (16) being set on valve pocket (15), above-mentioned suction nozzle (11) and movable part
Part (2) is arranged on the valve pocket (15), and the return-air mouth (12) is installed on the mounting hole of return-air body (16), and return-air
Mouth (12) inner chamber connects with the exhaust outlet (151) of valve pocket (15).
4. the electric injection fuel system of a kind of shipboard according to claim 3, it is characterised in that：The return-air body (16)
Lower edges be tightly connected with valve pocket (15) respectively, return-air body (16) is formed with ring-type air guide between upper and lower sealing
Passage (17), the exhaust outlet (151) of the valve pocket (15) is by the ring-type air guide channel (17) and return-air mouth (12) inner space.
5. the electric injection fuel system of a kind of shipboard according to claim 4, it is characterised in that：The valve component (1)
Also include being arranged on valve pocket (15) top and being easily installed fixed fixing nut (18).
6. the electric injection fuel system of a kind of shipboard according to Claims 2 or 3 or 4 or 5, it is characterised in that：The bullet
Spring component (3) is including the (the first back-moving spring (31) that is arranged between button (21) and valve component (1) and is arranged on valve rod
(23) second back-moving spring (32) and between stop-motion seat (14).
7. the electric injection fuel system of a kind of shipboard according to Claims 2 or 3 or 4 or 5, it is characterised in that：It is described to press
The part that button (21) stretches out valve component (1) is covered with elastic block (4), shade mouthful and the valve seat group of the elastic block (4)
Closely connected between part (1) bottom.
8. the electric injection fuel system of a kind of shipboard according to claim 7, it is characterised in that：The elastic block (4)
It is rubber block.
9. the electric injection fuel system of a kind of shipboard according to Claims 2 or 3 or 4 or 5, it is characterised in that：The valve
Disk (24) is integrally formed with valve rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081634.5U CN206206035U (en) | 2016-09-27 | 2016-09-27 | The electric injection fuel system of shipboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081634.5U CN206206035U (en) | 2016-09-27 | 2016-09-27 | The electric injection fuel system of shipboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206035U true CN206206035U (en) | 2017-05-31 |
Family
ID=58760995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621081634.5U Withdrawn - After Issue CN206206035U (en) | 2016-09-27 | 2016-09-27 | The electric injection fuel system of shipboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438138A (en) * | 2016-09-27 | 2017-02-22 | 苏州百胜动力机器股份有限公司 | Electronic fuel injection system of outboard engine |
-
2016
- 2016-09-27 CN CN201621081634.5U patent/CN206206035U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438138A (en) * | 2016-09-27 | 2017-02-22 | 苏州百胜动力机器股份有限公司 | Electronic fuel injection system of outboard engine |
| CN106438138B (en) * | 2016-09-27 | 2019-03-19 | 苏州百胜动力机器股份有限公司 | The electric injection fuel system of shipboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170531 Effective date of abandoning: 20190319 |
|
| AV01 | Patent right actively abandoned |