CN203098106U - Electrically driven oil delivery pump assembly and diesel engine using same - Google Patents
Electrically driven oil delivery pump assembly and diesel engine using same Download PDFInfo
- Publication number
- CN203098106U CN203098106U CN 201220726568 CN201220726568U CN203098106U CN 203098106 U CN203098106 U CN 203098106U CN 201220726568 CN201220726568 CN 201220726568 CN 201220726568 U CN201220726568 U CN 201220726568U CN 203098106 U CN203098106 U CN 203098106U
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- Prior art keywords
- oil
- way valve
- electrically operated
- fuel pump
- operated fuel
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an electrically driven oil delivery pump assembly and a diesel engine using the electrically driven oil delivery pump assembly. The electrically driven oil delivery pump assembly comprises an electrically driven oil delivery pump, an oil inlet nozzle, an oil outlet nozzle, a first one-way valve, a second one-way valve and an oil delivery manifold, wherein the oil inlet nozzle is formed in an inlet of the electrically driven oil delivery pump, the oil outlet nozzle is formed in an outlet of the electrically driven oil delivery pump, the first one-way valve is arranged on the oil inlet nozzle, the second one-way valve is arranged on the oil outlet nozzle, and the oil delivery manifold is connected with the oil inlet nozzle and the oil outlet nozzle. The electrically driven oil delivery pump assembly is simple in structure and convenient to install, and thoroughly solves the problem that vortexes and bubbles can be produced in fuel oil, and the diesel engine using the oil delivery pump assembly lessens the problem of ignition failure or flameout to a large extent.
Description
Technical field
The utility model relates to a kind of motive power machine equipment, particularly a kind of diesel engine that is used for the electrically operated fuel pump assembly of internal-combustion engine and uses it.
Background technique
Along with the development of society, the dynamic power machine important effect of play more and more in social life, internal-combustion engine plays a part very important as topmost power resources in every field.For internal-combustion engine, no matter be petrol engine or diesel engine, its oil-fired system all is one of most important systems, and oil transfer pump is as the most important accessory of oil-fired system, and its operating conditions largely affects the operational effect of entire internal combustion engine.
In the prior art, internal-combustion engine needs hand oil transfer pump or electrically operated fuel pump with the internal-combustion engine oil transportation when starting, and behind internal combustion engine start, the output shaft of internal-combustion engine drives mechanical pump and drives the oil-fired system running, and this moment, hand oil transfer pump or electrically operated fuel pump were out of service.Because electrically operated fuel pump inner structure complexity when fuel oil passes through, can produce eddy current, thereby produce bubble in oil transfer pump, cause the interior loss of ignition of cylinder sometimes or start the back stopping working, as using the hand oil transfer pump, it is inconvenient that the user often feels.Those skilled in the art develops a kind of electrically operated fuel pump assembly urgently and solves the problems referred to above.
The model utility content
The technical problems to be solved in the utility model is in order to overcome in the prior art, fuel oil is easy to generate eddy current when flowing through electrically operated fuel pump, thereby produce bubble and cause internal-combustion engine ignition failure or flame-out easily deficiency, a kind of electrically operated fuel pump assembly is provided and uses its diesel engine.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of electrically operated fuel pump assembly, its characteristics are that described electrically operated fuel pump assembly comprises:
One electrically operated fuel pump;
One oil intake nozzle and that is arranged on described electrically operated fuel pump inlet is arranged on the oil outlet of described electrically operated fuel pump outlet;
One first one-way valve is arranged on the described oil intake nozzle;
One second one-way valve is arranged on the described oil outlet;
One oil transportation manifold connects described oil intake nozzle and oil outlet.
Preferably, described first one-way valve is arranged between described oil intake nozzle and the described oil transportation manifold, and described second one-way valve is arranged between the outlet of described oil outlet and described electrically operated fuel pump.
Preferably, described first one-way valve and second one-way valve respectively comprise a spool, a return spring and a vavle shelf.
Preferably, the cracking pressure of the return spring of described first one-way valve is less than the cracking pressure of the return spring of described second one-way valve.
Preferably, the cracking pressure of the return spring of described first one-way valve is 10-20KPa, and the cracking pressure of the return spring of described second one-way valve is 80-110KPa.
Preferably, described oil intake nozzle and oil outlet are provided with a universal joint respectively, and described first one-way valve is connected with oil outlet with oil intake nozzle by described universal joint respectively with second one-way valve.
Preferably, described electrically operated fuel pump is the diesel oil electrically operated fuel pump.
A kind of diesel engine, its characteristics are that the oil-fired system of described diesel engine comprises aforesaid electrically operated fuel pump, and the mechanical pump that the diesel engine rotating shaft drives is arranged in this oil-fired system.
Positive progressive effect of the present utility model is: this electrically operated fuel pump assembly structure is simple, easy for installation, thoroughly solved the problem that fuel oil produces eddy current and produces bubble, the diesel engine of using this oil transfer pump assembly alleviated loss of ignition or flame-out problem to a great extent.
Description of drawings
Fig. 1 is the structure sectional view of the electrically operated fuel pump assembly under specific embodiment of the utility model.
Embodiment
Embodiment of the present utility model describes with reference to the accompanying drawings.In Figure of description, the element with similar structure or function will be used the components identical symbolic representation.Accompanying drawing is each embodiment of the present utility model for convenience of explanation just, is not the explanation that will carry out limit to the utility model, neither limit scope of the present utility model.
Fig. 1 shows the schematic structure of the electrically operated fuel pump assembly under specific embodiment of the utility model.In this embodiment, the electrically operated fuel pump assembly comprises electrically operated fuel pump 10, and electrically operated fuel pump 10 comprises oil intake nozzle 12 and oil outlet 14.Oil intake nozzle 12 is arranged on the electrically operated fuel pump inlet, and oil outlet 14 is arranged on the electrically operated fuel pump outlet.
Oil intake nozzle 12 is provided with pad 122, and fixedlys connected with oil intake nozzle universal joint 124, and oil intake nozzle universal joint 124 is connected with oil transportation manifold 40, and first one-way valve 20 is set between oil intake nozzle universal joint 124 and the oil transportation manifold 40.In one embodiment, first one-way valve 20 comprises spool 24, return spring 26 and vavle shelf 28.Return spring 26 the cracking pressure that is determining first one-way valve is set.
Oil outlet 14 fixedly installs oil outlet universal joint 144 by nut 142, and oil outlet universal joint 144 is connected with the other end of oil transportation manifold 40.Second one-way valve 30 is arranged between oil outlet 14 and the electrically operated fuel pump outlet.Second one-way valve 30 comprises spool 34, return spring 36 and vavle shelf 38 equally.Return spring 36 the same cracking pressure that is determining second one-way valve is set.
The cracking pressure of the return spring of first one-way valve 20 should be less than the cracking pressure of the return spring of second one-way valve 30.In a preferred embodiment, the cracking pressure of the return spring of first one-way valve is 10-20KPa, and the cracking pressure of the return spring of second one-way valve is 80-110KPa.Those skilled in the art will appreciate that first one-way valve can be the one-way valve of other structure, its concrete model is not limit, as long as it is all applicable to reach the one-way valve of the utility model purpose.
During use, this oil transfer pump assembly and another mechanical pump (scheming not shown) are installed in the internal-combustion engine pipeline road, another mechanical pump is driven by the output shaft of internal-combustion engine.When starting, oil transfer pump 10 starts, and second one-way valve 30 is opened, and first one-way valve 20 is closed, and oil transfer pump drives in internal-combustion engine with fuel oil, finishes the ignition procedure of internal-combustion engine.Behind internal combustion engine start, the running of driving device pump, oil transfer pump 10 shuts down, second one-way valve 30 is closed, and first one-way valve 20 is opened, and fuel oil transports by the oil transportation manifold, get around oil transfer pump 10 inner complicated structures, thereby reduced the eddy current of fuel oil, and then reduced the generation of bubble.
Those skilled in the art will appreciate that this fuel oil pump assembly can be used in petrol engine, also can be used on the diesel engine.Even can be used in equally on other hot machine that needs fuel pump startup fuel oil.
Though more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these mode of executions under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
Claims (8)
1. an electrically operated fuel pump assembly is characterized in that, described electrically operated fuel pump assembly comprises:
One electrically operated fuel pump;
One oil intake nozzle and that is arranged on described electrically operated fuel pump inlet is arranged on the oil outlet of described electrically operated fuel pump outlet;
One first one-way valve is arranged on the described oil intake nozzle;
One second one-way valve is arranged on the described oil outlet;
One oil transportation manifold connects described oil intake nozzle and oil outlet.
2. electrically operated fuel pump assembly as claimed in claim 1 is characterized in that, described first one-way valve is arranged between described oil intake nozzle and the described oil transportation manifold, and described second one-way valve is arranged between the outlet of described oil outlet and described electrically operated fuel pump.
3. electrically operated fuel pump assembly as claimed in claim 2 is characterized in that, described first one-way valve and second one-way valve respectively comprise a spool, a return spring and a vavle shelf.
4. electrically operated fuel pump assembly as claimed in claim 3 is characterized in that the cracking pressure of the return spring of described first one-way valve is less than the cracking pressure of the return spring of described second one-way valve.
5. electrically operated fuel pump assembly as claimed in claim 4 is characterized in that, the cracking pressure of the return spring of described first one-way valve is 10-20KPa, and the cracking pressure of the return spring of described second one-way valve is 80-110KPa.
6. as each described electrically operated fuel pump assembly of claim 1 to 5, it is characterized in that described oil intake nozzle and oil outlet are provided with a universal joint respectively, described first one-way valve is connected with oil outlet with oil intake nozzle by described universal joint respectively with second one-way valve.
7. electrically operated fuel pump assembly as claimed in claim 6 is characterized in that, described electrically operated fuel pump is the diesel oil electrically operated fuel pump.
8. a diesel engine is characterized in that, the oil-fired system of described diesel engine comprises that as each described electrically operated fuel pump assembly of claim 1 to 7 mechanical pump that the diesel engine rotating shaft drives is arranged in this oil-fired system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220726568 CN203098106U (en) | 2012-12-25 | 2012-12-25 | Electrically driven oil delivery pump assembly and diesel engine using same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220726568 CN203098106U (en) | 2012-12-25 | 2012-12-25 | Electrically driven oil delivery pump assembly and diesel engine using same |
Publications (1)
Publication Number | Publication Date |
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CN203098106U true CN203098106U (en) | 2013-07-31 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220726568 Expired - Lifetime CN203098106U (en) | 2012-12-25 | 2012-12-25 | Electrically driven oil delivery pump assembly and diesel engine using same |
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CN (1) | CN203098106U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103075281A (en) * | 2012-12-25 | 2013-05-01 | 上海世德子汽车零部件有限公司 | Electric oil delivery pump assembly and diesel engine applying same |
-
2012
- 2012-12-25 CN CN 201220726568 patent/CN203098106U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103075281A (en) * | 2012-12-25 | 2013-05-01 | 上海世德子汽车零部件有限公司 | Electric oil delivery pump assembly and diesel engine applying same |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20130731 |
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CX01 | Expiry of patent term |