CN211230672U - Fuel pump assembly of miniaturized motorcycle - Google Patents
Fuel pump assembly of miniaturized motorcycle Download PDFInfo
- Publication number
- CN211230672U CN211230672U CN202020023379.9U CN202020023379U CN211230672U CN 211230672 U CN211230672 U CN 211230672U CN 202020023379 U CN202020023379 U CN 202020023379U CN 211230672 U CN211230672 U CN 211230672U
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- China
- Prior art keywords
- assembly
- filter screen
- pump
- oil
- fuel
- Prior art date
- 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 - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 67
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 description 65
- 239000002828 fuel tank Substances 0.000 description 12
- 239000000295 fuel oil Substances 0.000 description 10
- 239000012535 impurity Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a miniaturized motorcycle fuel pump assembly for the engine fuel feeding, the fuel pump assembly includes: the oil pump assembly comprises an oil pump support assembly, a pressure valve buckle, a pressure valve, a primary filter screen assembly, a flange plate assembly and a pump core, wherein the pressure valve buckle is connected with the oil pump support assembly to limit the pressure valve; the flange plate assembly is connected with the oil pump support assembly to limit the pump core; the primary filter screen assembly comprises: filter screen skeleton, screen cloth and filter screen joint, the cladding of filter screen skeleton is in the screen cloth, the oil feed opening of filter screen joint one end inserts connect in the screen cloth the filter screen skeleton, the oil outlet opening on the filter screen joint wall is connected the oil inlet of pump core, the filter screen joint corresponds the bellied position in pump core bottom surface is seted up and is connected the locating hole, the protruding plug-in connection in bottom surface of pump core connect the locating hole. The utility model discloses can satisfy flat, the oil tank assembly of dwarfing, increase the fuel feeding volume in the oil tank.
Description
Technical Field
The utility model relates to a fuel pump assembly specifically relates to a be used in the less miniaturized motorcycle fuel pump assembly of oil tank port.
Background
The electric fuel pump assembly is arranged on the fuel tank and has the function of pipeline connection in the fuel supply system. The gasoline in the oil tank is conveyed into the fuel oil pipeline through the filter screen and the oil outlet pipe by the suction force generated when the built-in gasoline pump works, so that the consumption of an engine is provided. In the fuel supply system, fuel is firstly filtered by a primary filter screen to remove impurities in the fuel, then the fuel is pumped by a pump core, one part of the fuel is supplied to the requirement of an engine through a main pipeline, and the other part of the fuel returns the shunted fuel to a fuel tank through a pressure valve.
The motorcycle fuel pump assembly in the prior art has the following defects in practical use:
the large oil tank port of the motorcycle oil tank influences: because the whole motorcycle requires the fuel tank to be shorter and smaller and the whole motorcycle structure influences, the fuel tank opening is smaller and smaller, and the flange assembly of the motorcycle fuel pump assembly is also smaller, so that more space can be provided for better arranging other things on the motorcycle main frame;
(II) the influence of the large volume of the motorcycle fuel pump assembly: the larger the volume of the motorcycle fuel pump assembly is, the larger the occupied space of the fuel pump assembly placed in a fuel tank is, the volume of the fuel filled in the fuel tank can be relatively reduced, and further the total mileage of one tank of fuel can be shortened;
(III) influence of the height of the motorcycle fuel pump assembly; the motorcycle fuel pump assembly is short, the height of the motorcycle fuel pump assembly is reduced, the fuel tank is relatively reduced, the space above and below the fuel tank is larger, the space of a vehicle body frame is also larger, and the overall mass of the motorcycle is relatively reduced.
Thus, the prior art fuel pump assembly also has a place to lift.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a miniaturized motorcycle fuel pump assembly of high low small to solve prior art's problem.
According to the utility model discloses an aspect provides a miniaturized motorcycle fuel pump assembly for the engine fuel feeding, the fuel pump assembly includes: the oil pump assembly comprises an oil pump support assembly, a pressure valve buckle, a pressure valve, a primary filter screen assembly, a flange plate assembly and a pump core, wherein the pressure valve buckle is connected with the oil pump support assembly to form a valve body accommodating space, and the pressure valve is limited in the valve body accommodating space; the flange plate assembly is connected with the oil pump support assembly to form a pump body accommodating space, and the pump core is arranged in the pump body accommodating space; the primary filter screen is vertically connected with the pump core; wherein, the primary filter screen assemblage includes: filter screen skeleton, screen cloth and filter screen joint, the cladding of filter screen skeleton is in the screen cloth, the filter screen joint is an elongated body, the oil feed opening of filter screen joint one end inserts connect in the screen cloth the filter screen skeleton, the filter screen joint with the filter screen skeleton is 90 degrees connections, the oil outlet opening on the filter screen joint wall is connected the oil inlet of pump core, the filter screen joint corresponds the bellied position in pump core bottom surface is seted up and is connected the locating hole, the protruding plug-in connection in bottom surface of pump core connect the locating hole.
Preferably, the oil pump support assembly comprises a U-shaped pipeline, a pump core connecting part, a valve body connecting part and an oil outlet pipe connecting part, wherein the pump core connecting part comprises a connecting ring part, a supporting ring part and at least two clamping protrusions; the flange plate assembly comprises a flange plate and a supporting cylinder plate, the supporting cylinder plate is provided with at least two buckles, and the clamping convex block is connected with the buckles to limit the pump core during assembly; the valve body connecting portion are annular lamellar bodies, the surface of valve body connecting portion sets up two at least valve body card protrudingly, pressure valve buckle includes two at least valve body buckles, during the assembly, valve body card protruding block is connected the valve body buckle will the pressure valve is spacing.
Preferably, oil pipe connecting portion are a ladder type pipeline, the ring flange assemblage still includes an oil outlet pipeline, oil outlet pipeline is a ladder type pipeline, and the setting of O type sealing washer is in oil outlet pipeline's ladder department, oil outlet pipeline inserts the connection oil pipe connecting portion.
The purpose of this application is: the pump assembly project has the advantages of reducing the overall height, reducing the installation caliber and filling more fuel oil into the oil tank, and the main purpose is to meet the requirements of host manufacturers on short and flat oil tanks with smaller calibers. The specific objectives are as follows:
according to the limitation of the height of the oil tank, the installation requirement of the fuel pump assembly is met;
and (II) the left and right width is smaller, the mounting caliber of the oil tank is smaller, and the mounting requirements of a special-shaped oil tank and a more complex oil tank are met.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model can meet the assembly of flat and short oil tank;
2. the utility model can meet the assembly of the small oil tank with a small caliber;
3. the pressure valve buckle of the utility model can reduce noise;
4. the utility model discloses can increase the fuel feeding volume in the oil tank.
Of course, it is not necessary to implement any particular embodiment of the present invention to achieve all of the above technical effects at the same time.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic external view of a fuel pump assembly for a miniaturized motorcycle according to the present application;
FIG. 2 is a schematic illustration of the fuel pump assembly of the present application;
FIG. 3 is a schematic view of the primary screen assembly of the present application;
FIG. 4 is a schematic view of an oil pump bracket assembly, a pressure valve and a pressure valve buckle according to the present application;
FIG. 5 is a schematic view of the flange assembly and the oil pump bracket assembly of the present application;
FIG. 6 is a exploded view of the fuel pump assembly of the present application.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Please refer to fig. 1, an appearance schematic diagram of a fuel pump assembly of a miniaturized motorcycle of the present application, the fuel pump assembly is used for supplying fuel to an engine, and refer to fig. 2, a working principle schematic diagram of the fuel pump assembly of the present application, the fuel pump assembly of the present application is an inverted pump fuel pump assembly, a bottom of a pump core 60 is embedded into a flange assembly 50, an overall height of the fuel pump assembly is reduced, a pressure valve 30 is horizontally arranged on an oil pump support assembly 10, an upper height and a lower height are greatly reduced, and a primary filter screen assembly 40 is placed at a middle position, so that a left width and a right width are better reduced. The fuel pump assembly includes: the oil pump support assembly comprises an oil pump support assembly 10, a pressure valve buckle 20, a pressure valve 30, a primary filter screen assembly 40, a flange plate assembly 50 and a pump core 60, wherein the pressure valve buckle 20 is connected with the oil pump support assembly 10 to form a valve body accommodating space, and the pressure valve 30 is limited in the valve body accommodating space; the flange plate assembly 50 is connected with the oil pump bracket assembly 10 to form a pump body accommodating space, and the pump core 60 is arranged in the pump body accommodating space; the primary screen assembly 40 is connected to the pump core 60. Pump core 60 and primary filter screen assemblage 40 imbed in ring flange assemblage 50, reduce the height from top to bottom of fuel pump assembly, better use in flat, short minification fuel tank, primary filter screen assemblage 40 is settled in pump core 60 and oil outlet pipeline middle part, and the left and right sides width reduces relatively, can make the oil tank mouth littleer, and the commonality is stronger.
Referring to fig. 3, the primary screen assembly 40 includes: the fuel oil filter comprises a filter screen framework 41, a mesh cloth 42 and a filter screen joint 43, wherein the filter screen framework 41 is wrapped in the mesh cloth 42, and the filter screen framework 41 is used for supporting the mesh cloth 42 so that the mesh cloth 42 can be unfolded to enable fuel oil entering the mesh cloth 42 to flow; the strainer connector 43 is an elongated body, the oil inlet opening 431 at one end of the strainer connector 43 is inserted into the strainer 42 to be connected with the strainer framework 41, the strainer connector 43 is connected with the strainer framework 41 at 90 degrees, and the strainer connector 43, the strainer framework 41 and the strainer framework 42 are connected in an ultrasonic welding mode, so that oil leakage is stable, firm and prevented; the oil outlet opening 432 in the wall of the strainer joint 43 is connected with the oil inlet 61 of the pump core 60, the strainer joint 43 corresponds to the joint positioning hole 433 arranged at the position of the bottom surface of the pump core 60, and the bottom surface bulge 62 of the pump core 60 is inserted and connected with the joint positioning hole 433 to achieve the purposes of stable connection and positioning. In the embodiment of the present application, the screen joint 43 is a rectangular body, but it should not be construed as limiting the present application, and the protection scope of the present application is only the shape that can be stably connected to the screen frame 41 and the pump core 60.
Referring to fig. 4, an oil pump bracket assembly 10 of the present application includes a U-shaped pipe 11, a pump core connecting portion 12, a valve body connecting portion 13, and an oil outlet pipe connecting portion 14; wherein the pump core connecting portion 12 comprises a connecting ring portion 121, a supporting ring portion 122 and at least two protrusions 123, as shown in the figure, the protrusions 123 are disposed on the outer surface of the connecting ring portion 121, and the supporting ring portion 122 is composed of four long sheets, and the supporting ring portion 122 functions to restrain the pump core 60 from loosening; referring to fig. 5, the flange assembly 50 includes a flange 51 and a supporting cylinder 52, the supporting cylinder 52 has at least two fasteners 521, and when assembling, the fastening protrusions 123 are engaged with the fasteners 521 to limit the position of the pump core 60.
As shown in fig. 4, the valve body connecting portion 13 is an annular sheet, at least two valve body fastening protrusions 131 are disposed on the outer surface of the valve body connecting portion 13, the pressure valve buckle 20 includes at least two valve body fastening buckles 21, and during assembly, the valve body fastening protrusions 131 are fastened and connected with the valve body fastening buckles 21 to limit the pressure valve 30. As shown in fig. 2, the fuel filtered by the primary filter screen assembly 40 is delivered to the fuel system from the flange assembly 50 through the U-shaped pipeline 11, the design that the pressure valve 30 is horizontally placed can reduce the vertical height, and also avoid the return oil from being directly injected onto the upper tank wall, and the pressure valve buckle 20 is a semi-closed structure to guide the designated return oil direction, thereby reducing the overall noise.
Referring to fig. 5 and 6, the oil outlet pipe connecting portion 14 is a stepped pipeline, the flange assembly 50 further includes an oil outlet pipe 53, the oil outlet pipe 53 is a stepped pipeline, the O-ring 17 is disposed at a step of the oil outlet pipe 53, and the oil outlet pipe 53 is inserted into and connected to the oil outlet pipe connecting portion 14. As shown in the drawings, the stepped pipe of the oil outlet pipe connecting portion 14 and the stepped pipe of the oil outlet pipe 53 are fitted to each other, and in the present application, the oil outlet pipe 53 is inserted into the oil outlet pipe connecting portion 14, and the O-ring 17 is provided at the stepped engagement portion to serve as a cushion and a seal, so that fuel does not leak out.
The working principle of the motorcycle fuel pump assembly is as follows:
1. when the fuel pump assembly starts to work, fuel is filtered by the primary filter screen assembly 40, one part of flow of the oil outlet of the pump core 60 provides fuel with instant pressure and instant flow for an engine fuel system, and the other part returns the shunted fuel pump to the fuel tank through the pressure valve 30;
2. the fuel oil passes through the primary filter screen assembly 40 to filter impurities in the fuel oil, so that the impurities are prevented from entering the pump core 60 and blocking blades, and the fuel oil cannot work normally;
3. the constant pressure through the pressure valve 30 allows the fuel supply system to stabilize into the engine.
The motorcycle fuel pump has the following specific working process:
the fuel pump assembly firstly filters fuel oil through the primary filter screen assembly 40 and enters the pump core 60 through the rotation of the pump core 60, then the fuel oil is respectively returned to a fuel tank from an oil outlet and a shunt of the pump core 60 through the pressure valve 30, the oil discharged from the pump core 60 is transmitted to the flange plate assembly 50 and the pressure valve 30 through the fuel pump support assembly 10, and the fuel oil transmitted to the flange plate assembly 10 is output to meet the consumption of an engine. The pump core 60 pumps the excess fuel from the pressure valve 30 back into the fuel tank for reuse, which satisfies the normal consumption of the engine.
The oil tank that the design of this application can realize the assembly flat, dwarfed, the bore is little requires, and it is bigger to use the oil tank to refuel the volume, and the space is bigger about the oil tank, and the automobile body overall quality reduces to some extent.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model can meet the assembly of flat and short oil tank;
2. the utility model can meet the assembly of the small oil tank with a small caliber;
3. the pressure valve buckle of the utility model can reduce noise;
4. the utility model discloses can increase the fuel feeding volume in the oil tank.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (3)
1. A fuel pump assembly for a scooter for supplying fuel to an engine, the fuel pump assembly comprising: the oil pump assembly comprises an oil pump support assembly, a pressure valve buckle, a pressure valve, a primary filter screen assembly, a flange plate assembly and a pump core, wherein the pressure valve buckle is connected with the oil pump support assembly to form a valve body accommodating space, and the pressure valve is limited in the valve body accommodating space; the flange plate assembly is connected with the oil pump support assembly to form a pump body accommodating space, and the pump core is arranged in the pump body accommodating space; the primary filter screen is vertically connected with the pump core; wherein, the primary filter screen assemblage includes: filter screen skeleton, screen cloth and filter screen joint, the cladding of filter screen skeleton is in the screen cloth, the filter screen joint is an elongated body, the oil feed opening of filter screen joint one end inserts connect in the screen cloth the filter screen skeleton, the filter screen joint with the filter screen skeleton is 90 degrees connections, the oil outlet opening on the filter screen joint wall is connected the oil inlet of pump core, the filter screen joint corresponds the bellied position in pump core bottom surface is seted up and is connected the locating hole, the protruding plug-in connection in bottom surface of pump core connect the locating hole.
2. The fuel pump assembly of claim 1, wherein the fuel pump bracket assembly includes a U-shaped channel, a pump core connecting portion, a valve body connecting portion, and an outlet tube connecting portion, the pump core connecting portion including a connecting ring portion, a support ring portion, and at least two tabs; the flange plate assembly comprises a flange plate and a supporting cylinder plate, the supporting cylinder plate is provided with at least two buckles, and the clamping convex block is connected with the buckles to limit the pump core during assembly;
the valve body connecting portion are annular lamellar bodies, the surface of valve body connecting portion sets up two at least valve body card protrudingly, pressure valve buckle includes two at least valve body buckles, during the assembly, valve body card protruding block is connected the valve body buckle will the pressure valve is spacing.
3. The fuel pump assembly of claim 2, wherein the outlet connection portion is a stepped pipe, the flange assembly further includes an outlet pipe, the outlet pipe is a stepped pipe, and the O-ring is disposed at a step of the outlet pipe, the outlet pipe is inserted into the outlet connection portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023379.9U CN211230672U (en) | 2020-01-07 | 2020-01-07 | Fuel pump assembly of miniaturized motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023379.9U CN211230672U (en) | 2020-01-07 | 2020-01-07 | Fuel pump assembly of miniaturized motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230672U true CN211230672U (en) | 2020-08-11 |
Family
ID=71931783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020023379.9U Expired - Fee Related CN211230672U (en) | 2020-01-07 | 2020-01-07 | Fuel pump assembly of miniaturized motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211230672U (en) |
-
2020
- 2020-01-07 CN CN202020023379.9U patent/CN211230672U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |