CN211950712U - Squirrel-cage type automobile fuel pump - Google Patents
Squirrel-cage type automobile fuel pump Download PDFInfo
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- CN211950712U CN211950712U CN201921811097.9U CN201921811097U CN211950712U CN 211950712 U CN211950712 U CN 211950712U CN 201921811097 U CN201921811097 U CN 201921811097U CN 211950712 U CN211950712 U CN 211950712U
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Abstract
The utility model relates to a squirrel-cage car fuel pump, including pump case, pump head, wire winding stator, rotor, the one end fixed mounting of pump case has the pump head, and pump case other end fixed mounting has a pump seat, pump head center department is equipped with the oil-out, evenly is equipped with a plurality of strengthening ribs between oil-out and the pump head is inside, install round wire winding stator in the pump case, place the rotor in the wire winding stator, the oil-out department at the pump head is installed through the fixed rotor cover of head to the front end of rotor, the rear end of rotor is installed in the pump seat through the fixed rotor cover of afterbody, the oil-out is linked together with the fixed rotor cover of head, and the oil-out. The fuel outlet of the utility model is arranged in the middle, so that the structure of the pump body is simpler; the oil outlet is communicated with the rotor shaft sleeve on the oil outlet side, so that the service life of the shaft sleeve is prolonged by cooling; the wiring terminal and the pressure relief opening are distributed on the periphery, and the oil outlet side are communicated through the shaft sleeve and are provided with reinforcing ribs, so that the service life of the oil outlet and the oil outlet side is prolonged.
Description
Technical Field
The utility model relates to a fuel pump technical field, concretely relates to squirrel-cage car fuel pump.
Background
The fuel pump is one of the basic components of the fuel injection system of an electronic fuel injection automobile and is positioned in a fuel tank of the automobile, the fuel pump works during starting and engine running, the fuel pump is used for sucking fuel out of the fuel tank, pressurizing the fuel and then conveying the fuel to a fuel supply pipe, and the fuel pump is matched with a fuel pressure regulator to establish certain fuel pressure.
At present, most of liquid fuel pumps adopt direct-current brush motors, some brushless motors are also provided at present, the integral structure is complex, the temperature in a pump body is high, heat dissipation is difficult, methanol, gasoline, methanol gasoline, ethanol gasoline, water and slightly corrosive liquid are not resistant, and the service life is short.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a squirrel-cage type automobile fuel pump.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a squirrel-cage car fuel pump, includes pump case, pump head, wire winding stator, rotor, the one end fixed mounting of pump case has the pump head, and pump case other end fixed mounting has the pump seat, pump head center department is equipped with the oil-out, evenly is equipped with a plurality of strengthening ribs between oil-out and the pump head is inside, pump head outer end side fixed mounting has three binding post, and the pump head outer end side is opened and is equipped with the pressure release mouth, install round wire winding stator in the pump case, placed the rotor in the wire winding stator, the oil-out department at the pump head is installed through the fixed rotor cover of head to the front end of rotor, the rear end of rotor is installed in the pump seat through the fixed rotor cover of afterbody, the oil-.
Specifically, the wiring terminal is connected with the wound stator through a wire.
Specifically, the tail end of the rotor is provided with an impeller, and the impeller is positioned in the pump seat.
Specifically, binding post passes through protective sheath sealed mounting in the reservation through-hole of pump head.
The utility model discloses following beneficial effect has: the fuel outlet of the utility model is arranged in the middle, so that the structure of the pump body is simpler; the oil outlet is communicated with the rotor shaft sleeve on the oil outlet side, so that the service life of the shaft sleeve is prolonged by cooling; the wiring terminal and the pressure relief opening are distributed around, and the oil outlet side are sleeved with reinforcing ribs in a communicating manner, so that the service life of the oil outlet and the oil outlet side is prolonged; the terminal connection penetrates through the pump head, so that the internal and external connection has good sealing performance; the brushless structure of the liquid pump is integrally realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the pump head of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the pump head of the present invention.
In the figure, 1 pump head, 2 wiring terminals, 3 pressure relief ports, 4 reinforcing ribs, 5 wound stators, 6 rotors, 71 head fixed rotor sleeves, 72 tail fixed rotor sleeves, 8 oil outlets, 9 pump cases, 10 pump bases and 11 impellers are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the squirrel-cage type automobile fuel pump comprises a pump case 9, a pump head 1, a winding stator 2 and a rotor 6, wherein one end of the pump case 9 is fixedly provided with the pump head 1, the other end of the pump case 9 is fixedly provided with a pump base 10, an oil outlet 8 is arranged at the center of the pump head 1, a plurality of reinforcing ribs 4 are uniformly arranged between the oil outlet 8 and the inside of the pump head 1, three wiring terminals 2 are fixedly arranged at the outer end side of the pump head 1, a pressure relief opening 3 is arranged at the outer end side of the pump head 1, a pressure relief valve is arranged at the pressure relief opening 3, a circle of winding stator 5 is arranged in the pump case 9, the rotor 6 is arranged in the winding stator 5, the front end of the rotor 6 is arranged at the oil outlet 8 of the pump head 1 through a head fixing rotor sleeve 71, the rear end of the rotor, the oil outlet 8 is communicated with the inner cavity of the pump shell 9 through a pipeline and can cool the head fixing rotor sleeve 71.
Specifically, the connection terminal 2 is connected to the wound stator 5 by a wire.
Specifically, the tail end of the rotor 6 is provided with an impeller 11, and the impeller 11 is positioned in the pump base 10.
Specifically, the wiring terminal 2 is hermetically installed in a reserved through hole of the pump head 1 through a protective sleeve.
The utility model discloses not be limited to the embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (4)
1. The utility model provides a squirrel-cage car fuel pump, includes pump case, pump head, wire winding stator, rotor, its characterized in that: the one end fixed mounting of pump case has the pump head, and pump case other end fixed mounting has the pump seat, pump head center department is equipped with the oil-out, evenly is equipped with a plurality of strengthening ribs between oil-out and the pump head is inside, pump head outer end side fixed mounting has three binding post, and the pump head outer end side is opened and is equipped with the pressure release mouth, install round wire winding stator in the pump case, placed the rotor in the wire winding stator, the oil-out department at the pump head is installed through the fixed rotor cover of head to the front end of rotor, the rear end of rotor is installed in the pump seat through the fixed rotor cover of afterbody, the oil-out is linked together with the fixed rotor cover.
2. The squirrel cage type fuel pump for automobiles of claim 1, wherein: the wiring terminal is connected with the winding stator through a wire.
3. The squirrel cage type fuel pump for automobiles of claim 1, wherein: and the tail end of the rotor is provided with an impeller which is positioned in the pump seat.
4. The squirrel cage type fuel pump for automobiles of claim 1, wherein: the wiring terminal is installed in the reserved through hole of the pump head through a protective sleeve in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921811097.9U CN211950712U (en) | 2019-10-25 | 2019-10-25 | Squirrel-cage type automobile fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921811097.9U CN211950712U (en) | 2019-10-25 | 2019-10-25 | Squirrel-cage type automobile fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211950712U true CN211950712U (en) | 2020-11-17 |
Family
ID=73166386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921811097.9U Active CN211950712U (en) | 2019-10-25 | 2019-10-25 | Squirrel-cage type automobile fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211950712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013202A (en) * | 2022-07-11 | 2022-09-06 | 奇瑞汽车股份有限公司 | Electric pump for two-stroke engine and two-stroke engine system |
-
2019
- 2019-10-25 CN CN201921811097.9U patent/CN211950712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013202A (en) * | 2022-07-11 | 2022-09-06 | 奇瑞汽车股份有限公司 | Electric pump for two-stroke engine and two-stroke engine system |
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