CN203532274U - Integrated centrifugal fuel pump - Google Patents
Integrated centrifugal fuel pump Download PDFInfo
- Publication number
- CN203532274U CN203532274U CN201320723569.1U CN201320723569U CN203532274U CN 203532274 U CN203532274 U CN 203532274U CN 201320723569 U CN201320723569 U CN 201320723569U CN 203532274 U CN203532274 U CN 203532274U
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- China
- Prior art keywords
- motor
- casing
- integrated
- centrifugal
- pump
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- 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 - Lifetime
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 239000000945 filler Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 26
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydraulics and relates to an integrated centrifugal fuel pump. The integrated centrifugal fuel pump is characterized by comprising an integrated casing (19), the front part of the integrated casing (19) is a pump casing, the rear part of the integrated casing (19) is a motor front casing (19d), and a centrifugal pump shaft is combined with a rotor shaft. The integrated centrifugal fuel pump is simple in structure, small in size and light in weight. According to the integrated centrifugal fuel pump, the pump casing is combined with the motor front casing, and the centrifugal pump shaft is combined with the rotor shaft, so that two bearings, one coupler and two flanges are saved, the structure is greatly simplified, the size and the weight are reduced, and the manufacturing cost is reduced.
Description
Technical field
The utility model belongs to hydraulics field, relates to the improvement to the centrifugal fuel pump for to the pressurization of vehicle fuel system.
Background technique
Current a kind of centrifugal fuel oil pump structure of vehicle fuel system pressurization of giving is referring to Fig. 1, it is connected to form by a centrifugal pump and a drive motor, and centrifugal pump is comprised of locking nut 1, centrifugal supercharging impeller 2, centrifugal pump fore bearing 3, centrifugal pump shaft 4, centrifugal pump rear bearing 5 and pump case 7.In pump case 7, there are pump case forward flange 7b, pump case rear flange 7f and oil outlet 7c, You Yige center filler opening on the front-end face of pump case 7, centrifugal supercharging impeller 2 is positioned at this filler opening, in pump case 7 inside, has an oil storage chamber 7a, and this oil storage chamber 7a is communicated with filler opening.Centrifugal pump shaft 4 is positioned at pump case 7 inside, and the front end of centrifugal pump shaft 4 is connected by key with the center hole of centrifugal supercharging impeller 2, at the front end of centrifugal pump shaft 4, has outside thread, and locking nut 1 is screwed on the outside thread of centrifugal pump shaft 4 front ends, by centrifugal supercharging impeller 2 lockings.In the inside of pump case 7, there is a bearing bore 7d, in the back of bearing bore 7d, have a coupling installation cavity 7e.Centrifugal pump fore bearing 3 and centrifugal pump rear bearing 5 are positioned at the bearing support of bearing bore 7d, the endoporus Spielpassung of centrifugal pump shaft 4 and centrifugal pump fore bearing 3 and centrifugal pump rear bearing 5.In coupling installation cavity 7e, have coupling 6, the rear end of centrifugal pump shaft 4 is connected with the front end of coupling 6.Drive motor is comprised of motive sealing mechanism 9, motor fore bearing 10, front motor casing 11, rotor 12, motor stator 13, changement 14, motor rear case 15, motor rear bearing 16 and rotor shaft 17.The front end of the rear end of front motor casing 11 and motor rear case 15 is combined and is connected by screw as electric machine casing.Motor stator 13 is fixed in front motor casing 11, rotor 12 is connected to integral body with rotor shaft 17, rotor shaft 17 is arranged in electric machine casing by motor fore bearing 10 and motor rear bearing 16, rotor 12 is positioned at the center hole of motor stator 13 and keeps coaxial, motive sealing mechanism 9 is before motor fore bearing 10, between rotor shaft 17 and the axis hole of front motor casing 11, changement 14 is positioned on rotor shaft, rotor 12 after, motor rear bearing 16 is arranged in the motor rear bearing block of motor rear case 15.The axis hole of front motor casing 11 is communicated with coupling installation cavity 7e, and the front end of rotor shaft 17 enters in coupling installation cavity 7e and is connected with the rear end of coupling 6.Pump case rear flange 7f is connected to integral body by the front motor casing flange on bolt and front motor casing 11.Pump case forward flange 7b is connected with oil tank of vehicle.Its working principle is: rotor shaft 17 drives centrifugal pump shaft 4 and 2 rotations of centrifugal supercharging impeller by coupling 6, will after the fuel pressurization of filler opening, from oil outlet 7c, export.Its shortcoming is: complex structure, volume and weight are large.Pump case 7 and electric machine casing are Split type structure, need to connect by flange; Centrifugal pump shaft 4 and rotor shaft 17 are also Split type structures, need to connect by coupling 6, also need to increase by two pump bearings.The structural complexity that has increased pump case 7, has increased volume, weight and manufacture cost.
Summary of the invention
The purpose of this utility model is: propose a kind of simple in structure, volume and weight is little for the integrated centrifugal fuel pump to the pressurization of vehicle fuel system, to reduce volume and weight, reduces manufacture cost.
The technical solution of the utility model is: a kind of integrated centrifugal fuel pump, by a centrifugal pump and a drive motor, connected to form, centrifugal pump comprises a pump case, in pump case, there are pump case flange and oil outlet, You Yige center filler opening on pump case front-end face, centrifugal supercharging impeller 2 is positioned at this filler opening, in pump case inside, there is an oil storage chamber, this oil storage chamber is communicated with filler opening, centrifugal pump shaft is positioned at pump case inside, the front end of centrifugal pump shaft is connected by key with the center hole of centrifugal supercharging impeller 2, front end at centrifugal pump shaft has outside thread, locking nut 1 is screwed on the outside thread of centrifugal pump shaft front end, by centrifugal supercharging impeller 2 lockings, drive motor comprises electric machine casing, motive sealing mechanism 9, motor fore bearing 10, rotor 12, motor stator 13, changement 14, motor rear bearing 16 and rotor shaft, electric machine casing comprises motor rear case 15, motor stator 13 is fixed in electric machine casing, rotor 12 is connected to integral body with rotor shaft, rotor shaft is arranged in electric machine casing by motor fore bearing 10 and motor rear bearing 16, rotor 12 is positioned at the center hole of motor stator 13 and keeps coaxial, motive sealing mechanism 9 is before motor fore bearing 10, between rotor shaft and electric machine casing, changement 14 is positioned on rotor shaft, rotor 12 after, motor rear bearing 16 is arranged in the motor rear bearing block of motor rear case 15, it is characterized in that: have an integrated casing 19, its front portion is pump case, in the front portion of integrated casing 19, there is pump case flange 19b, filler opening is positioned at the front-end face center of integrated casing 19, oil storage chamber 19a is positioned at the inside of integrated casing 19, oil storage chamber 19a is communicated with filler opening, and oil outlet 19c is communicated with oil storage chamber 19a, the rear portion of integrated casing 19 is front motor casing 19d, the front motor casing inner chamber that has cylindrical shape on the ear end face of front motor casing 19d body, motor stator 13 is fixed in front motor casing inner chamber, motor fore bearing 10 is arranged in the motor front-end bearing pedestal in front motor casing inner chamber, and the front end of the rear end of front motor casing 19d and motor rear case 15 is combined and is connected by screw as integral body, the axis hole that has a perforation in integrated casing 19, between oil storage chamber 19a and front motor casing inner chamber, there is an integrated mandrel 18, its front portion forms centrifugal pump shaft, its rear portion forms rotor shaft, motor fore bearing 10 is positioned at the middle part of integrated mandrel 18, motor rear bearing 16 is positioned at the rear end of integrated mandrel 18, and the front end of integrated mandrel 18 enters filler opening after through axis hole logical between oil storage chamber 19a and front motor casing inner chamber and oil storage chamber 19a and is connected with locking nut 1 with centrifugal supercharging impeller 2.
The utility model has the advantages that: simple in structure, volume and weight is little.The utility model unites two into one pump case and front motor casing, and centrifugal pump shaft and rotor shaft are united two into one, and has saved two bearings, a coupling and two flanges, greatly simplifies the structure, and has reduced volume and weight, has reduced manufacture cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of current a kind of centrifugal fuel pump to the pressurization of vehicle fuel system.
Fig. 2 is structural representation of the present utility model.In figure, left is the place ahead, and right-hand is rear.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.Referring to Fig. 2, a kind of integrated centrifugal fuel pump, by a centrifugal pump and a drive motor, connected to form, centrifugal pump comprises a pump case, in pump case, there are pump case flange and oil outlet, You Yige center filler opening on pump case front-end face, centrifugal supercharging impeller 2 is positioned at this filler opening, in pump case inside, there is an oil storage chamber, this oil storage chamber is communicated with filler opening, centrifugal pump shaft is positioned at pump case inside, the front end of centrifugal pump shaft is connected by key with the center hole of centrifugal supercharging impeller 2, front end at centrifugal pump shaft has outside thread, locking nut 1 is screwed on the outside thread of centrifugal pump shaft front end, by centrifugal supercharging impeller 2 lockings, drive motor comprises electric machine casing, motive sealing mechanism 9, motor fore bearing 10, rotor 12, motor stator 13, changement 14, motor rear bearing 16 and rotor shaft, electric machine casing comprises motor rear case 15, motor stator 13 is fixed in electric machine casing, rotor 12 is connected to integral body with rotor shaft, rotor shaft is arranged in electric machine casing by motor fore bearing 10 and motor rear bearing 16, rotor 12 is positioned at the center hole of motor stator 13 and keeps coaxial, motive sealing mechanism 9 is before motor fore bearing 10, between rotor shaft and electric machine casing, changement 14 is positioned on rotor shaft, rotor 12 after, motor rear bearing 16 is arranged in the motor rear bearing block of motor rear case 15, it is characterized in that: have an integrated casing 19, its front portion is pump case, in the front portion of integrated casing 19, there is pump case flange 19b, filler opening is positioned at the front-end face center of integrated casing 19, oil storage chamber 19a is positioned at the inside of integrated casing 19, oil storage chamber 19a is communicated with filler opening, and oil outlet 19c is communicated with oil storage chamber 19a, the rear portion of integrated casing 19 is front motor casing 19d, the front motor casing inner chamber that has cylindrical shape on the ear end face of front motor casing 19d body, motor stator 13 is fixed in front motor casing inner chamber, motor fore bearing 10 is arranged in the motor front-end bearing pedestal in front motor casing inner chamber, and the front end of the rear end of front motor casing 19d and motor rear case 15 is combined and is connected by screw as integral body, the axis hole that has a perforation in integrated casing 19, between oil storage chamber 19a and front motor casing inner chamber, there is an integrated mandrel 18, its front portion forms centrifugal pump shaft, its rear portion forms rotor shaft, motor fore bearing 10 is positioned at the middle part of integrated mandrel 18, motor rear bearing 16 is positioned at the rear end of integrated mandrel 18, and the front end of integrated mandrel 18 enters filler opening after through axis hole logical between oil storage chamber 19a and front motor casing inner chamber and oil storage chamber 19a and is connected with locking nut 1 with centrifugal supercharging impeller 2.
Working principle of the present utility model is: by integrated mandrel 18, directly drive centrifugal supercharging impeller to rotate, will after the fuel pressurization of filler opening, from oil outlet, export.
An embodiment of the present utility model, its weight saving more than 30%, manufacture cost has declined more than 40% than original structure.
Claims (1)
1. an integrated centrifugal fuel pump, by a centrifugal pump and a drive motor, connected to form, centrifugal pump comprises a pump case, in pump case, there are pump case flange and oil outlet, You Yige center filler opening on pump case front-end face, centrifugal supercharging impeller (2) is positioned at this filler opening, in pump case inside, there is an oil storage chamber, this oil storage chamber is communicated with filler opening, centrifugal pump shaft is positioned at pump case inside, the front end of centrifugal pump shaft is connected by key with the center hole of centrifugal supercharging impeller (2), front end at centrifugal pump shaft has outside thread, locking nut (1) is screwed on the outside thread of centrifugal pump shaft front end, centrifugal supercharging impeller (2) is locked, drive motor comprises electric machine casing, motive sealing mechanism (9), motor fore bearing (10), rotor (12), motor stator (13), changement (14), motor rear bearing (16) and rotor shaft, electric machine casing comprises motor rear case (15), motor stator (13) is fixed in electric machine casing, rotor (12) is connected to integral body with rotor shaft, rotor shaft is arranged in electric machine casing by motor fore bearing (10) and motor rear bearing (16), rotor (12) is positioned at the center hole of motor stator (13) and keeps coaxial, motive sealing mechanism (9) be positioned at motor fore bearing (10) before, between rotor shaft and electric machine casing, changement (14) is positioned on rotor shaft, after rotor (12), motor rear bearing (16) is arranged in the motor rear bearing block of motor rear case (15), it is characterized in that: have an integrated casing (19), its front portion is pump case, in the front portion of integrated casing (19), there is pump case flange (19b), filler opening is positioned at the front-end face center of integrated casing (19), oil storage chamber (19a) is positioned at the inside of integrated casing (19), oil storage chamber (19a) is communicated with filler opening, and oil outlet (19c) is communicated with oil storage chamber (19a), the rear portion of integrated casing (19) is front motor casing (19d), the front motor casing inner chamber that has cylindrical shape on the ear end face of front motor casing (19d) body, motor stator (13) is fixed in front motor casing inner chamber, motor fore bearing (10) is arranged in the motor front-end bearing pedestal in front motor casing inner chamber, and the front end of the rear end of front motor casing (19d) and motor rear case (15) is combined and is connected by screw as integral body, the axis hole that has a perforation in integrated casing (19), between oil storage chamber (19a) and front motor casing inner chamber, there is an integrated mandrel (18), its front portion forms centrifugal pump shaft, its rear portion forms rotor shaft, motor fore bearing (10) is positioned at the middle part of integrated mandrel (18), motor rear bearing (16) is positioned at the rear end of integrated mandrel (18), and the front end of integrated mandrel (18) enters filler opening after through axis hole logical between oil storage chamber (19a) and front motor casing inner chamber and oil storage chamber (19a) and is connected with locking nut (1) with centrifugal supercharging impeller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723569.1U CN203532274U (en) | 2013-11-15 | 2013-11-15 | Integrated centrifugal fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723569.1U CN203532274U (en) | 2013-11-15 | 2013-11-15 | Integrated centrifugal fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532274U true CN203532274U (en) | 2014-04-09 |
Family
ID=50418488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723569.1U Expired - Lifetime CN203532274U (en) | 2013-11-15 | 2013-11-15 | Integrated centrifugal fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033394A (en) * | 2014-06-27 | 2014-09-10 | 江苏恒康机电有限公司 | Integrated oil pump motor set |
| CN110671160A (en) * | 2019-11-20 | 2020-01-10 | 四川航天中天动力装备有限责任公司 | Rotor supporting and lubricating integrated structure of small turbine engine |
-
2013
- 2013-11-15 CN CN201320723569.1U patent/CN203532274U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033394A (en) * | 2014-06-27 | 2014-09-10 | 江苏恒康机电有限公司 | Integrated oil pump motor set |
| CN110671160A (en) * | 2019-11-20 | 2020-01-10 | 四川航天中天动力装备有限责任公司 | Rotor supporting and lubricating integrated structure of small turbine engine |
| CN110671160B (en) * | 2019-11-20 | 2021-11-26 | 四川航天中天动力装备有限责任公司 | Rotor supporting and lubricating integrated structure of small turbine engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
|
| CX01 | Expiry of patent term |