CN204738898U - Novel electronic fuel pump structure - Google Patents
Novel electronic fuel pump structure Download PDFInfo
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- CN204738898U CN204738898U CN201520476483.2U CN201520476483U CN204738898U CN 204738898 U CN204738898 U CN 204738898U CN 201520476483 U CN201520476483 U CN 201520476483U CN 204738898 U CN204738898 U CN 204738898U
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- oil
- lubricating cup
- pump body
- oil pump
- draining
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Abstract
The utility model discloses a novel electronic fuel pump structure, including the oil cup, the setting is at the oil cooler that fires of oil cup one side, the oil pump body that has the oil feed mouth and go out glib talker and oil return mouth, the oil pump body lid fits the oil cup top, be equipped with in the oil pump body with the communicating needle valve seat of oil feed mouth, it can be along with the float of oil level fluctuation to place in the oil cup, the needle valve corresponding with the needle valve seat have on the float, the oil cup internal stability is equipped with powered oil pump, its oil inlet is located the oil cup bottom, the oil -out is linked together with the play glib talker, the cooperation of pegging graft mutually of joint Assembly's on the oil pump body power supply plug and powered oil pump's socket, the oil feed end that fires oil cooler is linked together with the play glib talker, the end that produces oil is linked together with electron injection apparatus, the oil return end is linked together with the oil return mouth, be equipped with in the oil pump body with the communicating overflow valve of oil return mouth, overflow lower valve portion is equipped with complex draining pipe with it, draining pipe downwardly extending is to the bottom of oil cup, the utility model discloses compact structure, use are reliably.
Description
Technical field
The utility model relates to a kind of Novel electric fuel pump structure.
Background technique
In recent years, in order to improve fuelling rate, make the idling flameout automobile of motor auto extinguishing, hybrid electric vehicle is practical, in mechanical type oil pump with the auto extinguishing of motor between withholding period, in order to prevent the oil pressure of motor from declining, utilizing and supplying oil pressure by the Novel electric fuel pump structure of motoring to motor.
Summary of the invention
The utility model object is: provide a kind of compact structure, service-strong Novel electric fuel pump structure.
The technical solution of the utility model is: a kind of Novel electric fuel pump structure, comprise lubricating cup, be arranged on the Fuel Oil Cooler of lubricating cup side, there is the oil pump body of oil intake nozzle and oil outlet and oil return nozzle, described oil pump body covers and is fixed on above lubricating cup, the pintle valve seat communicated with oil intake nozzle is provided with in described oil pump body, the float that can fluctuate with oil level is placed with in described lubricating cup, float have the needle-valve corresponding with pintle valve seat, electric oil pump is installed with in described lubricating cup, the filler opening of electric oil pump is positioned at the bottom of lubricating cup, oil outlet is connected with above-mentioned oil outlet, oil pump body is provided with the adapter assembly inside and outside through oil pump body, plugging with the socket of electric oil pump for electrical plug inside adapter assembly coordinates, the drainback passage that described Fuel Oil Cooler has Oil Guide passage and is communicated with Oil Guide beneath galleries, the oil inlet end of Oil Guide passage is connected with oil outlet, the oil outlet end of Oil Guide passage is connected with electronic injector, the oil revolving end of drainback passage is connected with oil return nozzle, the relief valve communicated with oil return nozzle is provided with in described oil pump body, relief valve bottom is provided with the draining conduit coordinated with it, draining conduit extends downward the bottom of lubricating cup.
Drain the oil for the ease of lubricating cup, the bottom of described lubricating cup has screw of draining the oil, and is provided with the oil-draining screw coordinated with it in screw of draining the oil, when draining the oil, only need to unscrew oil-draining screw, the fuel oil in lubricating cup will flow out from screw of draining the oil, in lubricating cup during fuel oil emptying, then screw on oil-draining screw.
Further, described electric oil pump inside has one-way valve.The oil inlet end of described Oil Guide passage is connected with oil outlet by honeycomb duct, and the oil revolving end of drainback passage is connected with oil return nozzle by reflow pipe.Described Fuel Oil Cooler is screwed onto on lubricating cup outer side wall by screw.
Concrete structure and the mounting type thereof of above-mentioned draining conduit are: described draining conduit have be located at relief valve bottom cover body, with cover body inside be communicated with and the body of longitudinal extension, the cover body of above-mentioned draining conduit is erected in the mounting hole of conduit pressing plate, and described conduit pressing plate is screwed onto inside oil pump body by screw.
Working principle of the present utility model is:
Before ato unit, electric fuel punp inside is empty, float is past whereabouts under Gravitative Loads, drive needle-valve to depart from pintle valve seat, now fuel oil enters in lubricating cup from oil intake nozzle, along with the rising of lubricating cup intermediate fuel oil oil level, float also rises thereupon, when being connected to the needle-valve on float and rising to certain altitude, pintle valve seat seals by needle-valve, and fuel oil no longer will enter lubricating cup.
During ato unit, adapter assembly is powered to electric oil pump, and electric oil pump is started working, and fuel oil out and by oil guide pipe enters after Fuel Oil Cooler cools from oil outlet and supplies electron spraying system.
When electric oil pump pump oil mass is greater than oil mass needed for electron spraying system, the fuel oil of guide channel enters relief valve from return flow line through reflow pipe, backflow mouth, when its internal pressure reaches the extreme value of relief valve, relief valve is opened, and fuel oil is returned in lubricating cup by draining conduit.
The utility model has the advantages that: the utility model compact overall structure, use reliable; Compared with traditional external relief valve, relief valve of the present utility model is arranged on inside, can prevent from revealing; In addition, electric oil pump inside has one-way valve, to the long-term pressurize of oil feed line, can be convenient to the startup of next machine.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is integral assembling structure schematic diagram of the present utility model;
Fig. 2 is one of partial groups assembling structure schematic diagram of the present utility model;
Fig. 3 is partial groups assembling structure schematic diagram two of the present utility model;
Fig. 4 is partial groups assembling structure schematic diagram three of the present utility model.
Wherein: 1 lubricating cup; 11 drain the oil screw; 12 oil-draining screws;
2 Fuel Oil Coolers; 21 Oil Guide passages; 211 oil inlet ends; 212 oil outlet ends; 22 drainback passages; 221 oil revolving ends;
3 oil pump bodies; 31 oil intake nozzles; 32 oil outlets; 33 oil return nozzles; 34 pintle valve seats; 35 relief valves; 36 draining conduits; 361 cover bodies; 362 bodys; 37 conduit pressing plates;
4 floats; 41 needle-valves;
5 electric oil pumps; 51 sockets;
6 adapter assemblies; 61 power supply bases;
7 honeycomb ducts;
8 reflow pipes.
Embodiment
Embodiment: as shown in Figures 1 to 4, a kind of Novel electric fuel pump structure, comprise lubricating cup 1, be arranged on the Fuel Oil Cooler 2 of lubricating cup 1 side, there is the oil pump body 3 of oil intake nozzle 31 and oil outlet 32 and oil return nozzle 33, described oil pump body 3 covers and is fixed on above lubricating cup 1, the pintle valve seat 34 communicated with oil intake nozzle 31 is provided with in described oil pump body 3, the float 4 that can fluctuate with oil level is placed with in described lubricating cup 1, float 4 have the needle-valve 41 corresponding with pintle valve seat 34, the electric oil pump 5 that inside has one-way valve is installed with in described lubricating cup 1, the filler opening of electric oil pump 5 is positioned at the bottom of lubricating cup 1, oil outlet is connected with above-mentioned oil outlet 32, oil pump body 3 is provided with the adapter assembly 6 inside and outside through oil pump body 3, plugging with the socket 51 of electric oil pump 5 for electrical plug 61 inside adapter assembly 6 coordinates, the drainback passage 22 that described Fuel Oil Cooler 2 has Oil Guide passage 21 and is communicated with Oil Guide passage 21 bottom, the oil inlet end 211 of Oil Guide passage 21 is connected with oil outlet 32 by honeycomb duct 7, the oil outlet end 212 of Oil Guide passage 21 is connected with electronic injector, the oil revolving end 221 of drainback passage 22 is connected with oil return nozzle 33 by reflow pipe 8, the relief valve 35 communicated with oil return nozzle 33 is provided with in described oil pump body 3, relief valve 35 bottom is provided with the draining conduit 36 coordinated with it, draining conduit 36 extends downward the bottom of lubricating cup 1.Wherein, described Fuel Oil Cooler 2 is screwed onto on lubricating cup 1 outer side wall by screw.
Concrete structure and the mounting type thereof of above-mentioned draining conduit 36 are: described draining conduit 36 have be located at relief valve 35 bottom cover body 361, with cover body 361 inside be communicated with and the body 362 of longitudinal extension, the cover body 361 of above-mentioned draining conduit 36 is erected in the mounting hole of conduit pressing plate 37, and described conduit pressing plate 37 is screwed onto inside oil pump body 3 by screw.
Drain the oil for the ease of lubricating cup, the bottom of described lubricating cup 1 has screw 11 of draining the oil, drain the oil in screw 11 and be provided with the oil-draining screw 12 coordinated with it, when draining the oil, only need to unscrew oil-draining screw 12, fuel oil in lubricating cup will flow out from screw 11 of draining the oil, and in lubricating cup 1 during fuel oil emptying, then screws on oil-draining screw 12.
Working principle of the present utility model is:
Before ato unit, electric fuel punp inside is empty, float 4 is past whereabouts under Gravitative Loads, drive needle-valve 41 to depart from pintle valve seat 34, now fuel oil enters in lubricating cup 1 from oil intake nozzle 31, along with the rising of lubricating cup 1 intermediate fuel oil oil level, float 4 also rises thereupon, when the needle-valve 41 be connected on float 4 rises to certain altitude, pintle valve seat 34 seals by needle-valve 41, and fuel oil will no longer enter lubricating cup 1.
During ato unit, adapter assembly 6 powers to electric oil pump 5, and electric oil pump 5 is started working, and fuel oil out and by oil guide pipe 7 enters after Fuel Oil Cooler 2 cools from oil outlet 32 and supplies electron spraying system.
When electric oil pump 5 pump oil mass is greater than oil mass needed for electron spraying system, the fuel oil of guide channel 21 enters relief valve 35 from return flow line 22 through reflow pipe 8, backflow mouth, when its internal pressure reaches the extreme value of relief valve 35, relief valve 35 is opened, and fuel oil is entered in lubricating cup 1 for 36 times by draining conduit.
The utility model compact overall structure, uses reliable; Compared with traditional external relief valve 35, relief valve 35 of the present utility model is arranged on inside, can prevent from revealing; In addition, electric oil pump 5 inside has one-way valve, to the long-term pressurize of oil feed line, can be convenient to the startup of next machine.
Below be only embody rule example of the present utility model, protection domain of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other mode of execution.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.
Claims (6)
1. a Novel electric fuel pump structure, it is characterized in that: comprise lubricating cup (1), be arranged on the Fuel Oil Cooler (2) of lubricating cup (1) side, there is the oil pump body (3) of oil intake nozzle (31) and oil outlet (32) and oil return nozzle (33), described oil pump body (3) covers and is fixed on lubricating cup (1) top, the pintle valve seat (34) communicated with oil intake nozzle (31) is provided with in described oil pump body (3), the float (4) that can fluctuate with oil level is placed with in described lubricating cup (1), float (4) have the needle-valve (41) corresponding with pintle valve seat (34), electric oil pump (5) is installed with in described lubricating cup (1), the filler opening of electric oil pump (5) is positioned at the bottom of lubricating cup (1), oil outlet is connected with above-mentioned oil outlet (32), oil pump body (3) is provided with the adapter assembly (6) inside and outside through oil pump body (3), plugging with the socket (51) of electric oil pump (5) for electrical plug (61) of adapter assembly (6) inner side coordinates, the drainback passage (22) that described Fuel Oil Cooler (2) has Oil Guide passage (21) and is communicated with Oil Guide passage (21) bottom, the oil inlet end (211) of Oil Guide passage (21) is connected with oil outlet (32), the oil outlet end (212) of Oil Guide passage (21) is connected with electronic injector, the oil revolving end (221) of drainback passage (22) is connected with oil return nozzle (33), the relief valve (35) communicated with oil return nozzle (33) is provided with in described oil pump body (3), relief valve (35) bottom is provided with the draining conduit (36) coordinated with it, draining conduit (36) extends downward the bottom of lubricating cup (1).
2. a kind of Novel electric fuel pump structure according to claim 1, it is characterized in that: the bottom of described lubricating cup (1) has screw of draining the oil (11), in screw of draining the oil (11), be provided with the oil-draining screw (12) coordinated with it.
3. a kind of Novel electric fuel pump structure according to claim 1, is characterized in that: described electric oil pump (5) inside has one-way valve.
4. a kind of Novel electric fuel pump structure according to claim 1 or 2 or 3, it is characterized in that: described draining conduit (36) have be located at relief valve (35) bottom cover body (361), with cover body (361) inside be communicated with and the body of longitudinal extension (362), the cover body (361) of above-mentioned draining conduit (36) is erected in the mounting hole of conduit pressing plate (37), and described conduit pressing plate (37) is screwed onto oil pump body (3) inner side by screw.
5. a kind of Novel electric fuel pump structure according to claim 1 or 2 or 3, it is characterized in that: the oil inlet end (211) of described Oil Guide passage (21) is connected with oil outlet (32) by honeycomb duct (7), the oil revolving end (221) of drainback passage (22) is connected with oil return nozzle (33) by reflow pipe (8).
6. a kind of Novel electric fuel pump structure according to claim 1 or 2 or 3, is characterized in that: described Fuel Oil Cooler (2) is screwed onto on lubricating cup (1) outer side wall by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476483.2U CN204738898U (en) | 2015-07-06 | 2015-07-06 | Novel electronic fuel pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476483.2U CN204738898U (en) | 2015-07-06 | 2015-07-06 | Novel electronic fuel pump structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204738898U true CN204738898U (en) | 2015-11-04 |
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ID=54420638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476483.2U Active CN204738898U (en) | 2015-07-06 | 2015-07-06 | Novel electronic fuel pump structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204738898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757249A (en) * | 2018-04-18 | 2018-11-06 | 宁波洛卡特汽车零部件有限公司 | A kind of safe small-sized external fuel oil pump |
| CN109268175A (en) * | 2018-09-06 | 2019-01-25 | 杭州海的动力机械股份有限公司 | A kind of fuel oil supply system of high-pressure common rail electrojet outboard engine |
-
2015
- 2015-07-06 CN CN201520476483.2U patent/CN204738898U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757249A (en) * | 2018-04-18 | 2018-11-06 | 宁波洛卡特汽车零部件有限公司 | A kind of safe small-sized external fuel oil pump |
| WO2019200661A1 (en) * | 2018-04-18 | 2019-10-24 | 宁波洛卡特汽车零部件有限公司 | Safe small external fuel pump |
| CN109268175A (en) * | 2018-09-06 | 2019-01-25 | 杭州海的动力机械股份有限公司 | A kind of fuel oil supply system of high-pressure common rail electrojet outboard engine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |