CN210106038U - Fuel switch for electric injection motorcycle - Google Patents
Fuel switch for electric injection motorcycle Download PDFInfo
- Publication number
- CN210106038U CN210106038U CN201920976423.5U CN201920976423U CN210106038U CN 210106038 U CN210106038 U CN 210106038U CN 201920976423 U CN201920976423 U CN 201920976423U CN 210106038 U CN210106038 U CN 210106038U
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- CN
- China
- Prior art keywords
- oil
- fuel
- fuel switch
- switch body
- pipeline
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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 - Fee Related
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Abstract
The utility model relates to a fuel switch for an electric injection motorcycle, which comprises a fuel switch body and a filter oil cup, wherein the fuel switch body is provided with an oil inlet pipeline and an oil outlet pipeline, the fuel switch body is provided with a valve component, one end of the fuel switch body corresponding to the filter oil cup is provided with an oil inlet hole, one end of the oil outlet pipeline is arranged outside the fuel switch body and is connected with an oil supply pump, the other end is arranged at one end of the fuel switch body corresponding to the filter oil cup and is used for receiving the fuel oil in the filter oil cup, the fuel switch body is also provided with an oil return pipeline, one end of the oil return pipeline is arranged outside the fuel switch body and is connected with a pressure sensor, the other end extends out of the fuel switch body and is connected with an oil return pipe, and the oil return pipeline is arranged on the fuel switch body, so that an oil pump can be moved, the production cost is also reduced, the oil consumption is reduced by ensuring that redundant fuel oil can return from the oil return pipeline, and the service life of the oil pipe is prolonged.
Description
Technical Field
The utility model relates to a fuel switch, concretely relates to fuel switch for electricity spouts motorcycle.
Background
The electronic injection motorcycle is a novel motorcycle, and controls an oil nozzle to output corresponding oil injection quantity to a cylinder needing to work through a microcomputer according to the load of an engine, compared with the traditional carburetor motorcycle, the electronic injection motorcycle saves oil by more than 20 percent compared with the same type carburetor motorcycle; the electronic fuel injection device of the motorcycle engine generally comprises three parts, namely a fuel injection oil way, a sensor group and an Electronic Control Unit (ECU).
The fuel oil switch is an indispensable component in an oil injection circuit and plays a role in cleaning and filtering fuel oil of a switch control oil circuit, the motorcycle fuel oil switch mainly comprises a switch shell and a valve core which is positioned in the switch shell and can rotate relative to the shell, an oil inlet and an oil outlet are arranged on the shell, the oil inlet is connected with an oil tank, the oil outlet is connected with a motorcycle oil injector, the oil inlet and the oil outlet are connected or disconnected by rotating the valve core so as to control the fuel oil to enter the oil injector, the oil injection circuit for the conventional electric injection motorcycle is relatively simple at present, only the oil pump is provided with a filter screen and is output after being filtered by the filter screen, in the simple conveying process, the oil which cannot be used up is stopped in the oil pipe due to factors such as speed change of the electric injection motorcycle, the quality of the oil pipe is influenced for a long time, meanwhile, the next starting is also influenced, the starting is difficult, and the like, and in the existing motorcycle fuel system, the oil pump needs to be installed in the oil tank, so that the processing and manufacturing cost is relatively high.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art,
the fuel switch for the electric injection motorcycle can arrange the oil pump outside the oil tank for cooling, reduce the manufacturing cost and has an oil return function.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fuel switch for electricity spouts motorcycle, is including the fuel switch body and set up the filter oil cup in fuel switch body below, and both pass through threaded connection, be equipped with the filter element group spare of filtering fuel impurity in the filter oil cup, be equipped with oil inlet pipe way and play oil pipe way, its characterized in that on the fuel switch body: the fuel switch body is provided with a valve assembly which is communicated with an oil inlet pipeline and can rotate, one end of the fuel switch body, corresponding to the oil filtering cup, is provided with an oil inlet hole communicated with the valve assembly, one end of the oil outlet pipeline is arranged outside the fuel switch body and is connected with an oil supply pump, the other end of the oil outlet pipeline is arranged at one end of the fuel switch body, corresponding to the oil filtering cup, and is used for receiving fuel oil in the oil filtering cup, the fuel switch body is further provided with an oil return pipeline, one end of the oil return pipeline is arranged outside the fuel switch body and is connected with a pressure sensor, and the other end of the oil return pipeline extends.
By adopting the technical scheme, the rotatable valve assembly is arranged between the oil inlet pipeline and the oil inlet hole, so that the valve assembly has the function of opening and closing the oil tank, when the valve assembly is closed, the oil inlet pipeline is not communicated with the filtering oil cup, the oil outlet pipeline cannot supply fuel oil to the oil pump, after the valve assembly is opened, the oil inlet pipeline passes through the valve assembly and then enters the filtering oil cup through the oil inlet hole, the fuel oil is pumped from the filtering cup by the oil pump after being filtered by the filtering core assembly, the fuel oil is pressurized and then is conveyed to the high-pressure oil pipe, then the judgment is carried out through the numerical value preset by the pressure sensor, the fuel oil is conveyed from the oil return pipe on the pressure sensor to the oil return pipeline of the fuel oil switch, and finally the fuel oil returns to the oil tank through the oil return pipe by the oil return pipeline, so that the fuel oil pressure in the whole oil supply system is kept at the preset, the pressure of the fuel can be released through the fuel return pipeline, the pressure of the fuel injection nozzle is kept at a fixed value, and the consumption of the fuel is reduced because the redundant fuel returns to the fuel tank through the fuel return pipeline.
The fuel switch for the electric injection motorcycle can be further arranged as follows: the valve component consists of a valve core and a valve rod which is arranged outside the valve core and controls the valve core to rotate, and the valve core is provided with a valve hole which is communicated with the oil inlet pipeline and the oil inlet hole.
By adopting the technical scheme, the valve rod which is convenient for controlling the rotation of the valve core is arranged on the valve component, so that a driver can conveniently open or close the fuel switch, and the valve component has the function of controlling the fuel supply in the fuel tank to be disconnected by arranging the valve hole which is communicated with the fuel inlet pipeline and the fuel inlet hole on the valve core.
The fuel switch for the electric injection motorcycle can be further arranged as follows: the length of the oil return conduit is greater than that of the oil inlet pipeline.
By adopting the technical scheme, the filtered fuel in the oil tank is not prevented from entering the electronic injection system through the oil return conduit, and one end of the oil return conduit inserted into the oil tank is higher than the highest oil level of the oil tank and is close to the position 2 cm away from the inner wall of the oil tank cover.
The fuel switch for the electric injection motorcycle can be further arranged as follows: and a filter screen for filtering fuel oil impurities is injected outside the oil inlet pipeline.
By adopting the technical scheme, the filter screen is arranged outside the oil inlet pipe to filter solid impurities such as iron oxide, dust and the like in the oil filter box, so that an oil way is prevented from being blocked, fuel pumps, oil injectors and the like which are easy to pollute and block and lose efficacy are protected, mechanical abrasion is reduced, and the normal work of a system is ensured.
The fuel switch for the electric injection motorcycle can be further arranged as follows: and a sealing ring is arranged between the filter screen and the fuel switch body.
By adopting the technical scheme, the sealing ring is arranged to ensure that fuel oil in the oil tank cannot leak out from the abutting contact surface of the fuel switch body.
The fuel switch for the electric injection motorcycle can be further arranged as follows: and an O-shaped ring is arranged on the contact surface of the filter oil cup and the fuel switch body.
By adopting the technical scheme, the O-shaped ring is arranged to ensure that fuel oil in the filter oil cup cannot leak from the contact surface against the fuel oil switch body.
The utility model has the advantages that: through set up an oil return pipeline on the fuel switch body for the oil pump can shift out the oil tank outside from the oil tank, guarantees the cooling efficiency of fuel pump promptly, has also reduced manufacturing cost, guarantees simultaneously that unnecessary fuel can be followed oil return pipe oil return and reduced the oil consumption, extension oil pipe's life.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is an exploded view of fig. 2.
Fig. 4 is a schematic view illustrating a flow direction of an oil path according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of the operation of the embodiment of the present invention in an electronic fuel injection system.
Detailed Description
As shown in fig. 1-5, a fuel switch for an electric injection motorcycle comprises a fuel switch body 1 and a filter oil cup 2 arranged below the fuel switch body 1, the fuel switch body and the filter oil cup are connected through threads, a filter core assembly 21 for filtering fuel impurities is arranged in the filter oil cup 2, an oil inlet pipeline 11 and an oil outlet pipeline 12 are arranged on the fuel switch body 1, and the fuel switch is characterized in that: the fuel switch body 1 is provided with a valve assembly 3 which is communicated with an oil inlet pipeline 11 and can rotate, one end of the fuel switch body 1 corresponding to an oil filter cup 2 is provided with an oil inlet hole 111 which is communicated with the valve assembly 3, one end of an oil outlet pipeline 13 is arranged outside the fuel switch body 1 and is connected with an oil supply pump A, the other end of the oil outlet pipeline is arranged at one end of the fuel switch body 1 corresponding to the oil filter cup 2 and is used for receiving fuel oil in the oil filter cup 2, the fuel switch body 1 is also provided with an oil return pipeline 13, one end of the oil return pipeline 113 is arranged outside the fuel switch body 1 and is connected with a pressure sensor B, the other end of the oil return pipeline extends out of the fuel switch body 1 and is connected with an oil return conduit 113, the valve assembly 3 consists of a valve core 31 and a valve rod 32 which is arranged outside the valve core 31 and controls the rotation of, the horizontal plane that returns oil pipe 13 and inserts the inside one end of oil tank is higher than the horizontal plane of oil inlet pipe 11, oil inlet pipe 11 outside is moulded plastics and is used for filtering fuel oil impurity's filter screen 112, set up sealing washer 4 between filter screen 112 and the fuel switch body 1, the counterbalance contact surface of crossing oil filter cup and the fuel switch body is provided with O type circle 5.
Example 1: when the valve component 3 on the fuel switch body 1 is closed, the oil inlet pipe 11 is not conducted with the oil inlet hole 111, the fuel in the oil tank C can not enter the filter oil cup 2, and then enters the whole electronic injection system, when the valve rod 31 is rotated, the valve core 32 is rotated until the two ends of the valve hole 321 are mutually conducted with the oil inlet pipe 11 and the oil inlet hole 111, the fuel in the oil tank C enters the filter oil cup 2 through the oil inlet pipe 11, then is filtered through the filter core component 21, is operated by the oil pump A, the filtered fuel in the filter oil cup 2 is pumped out from the oil outlet pipe 12, enters the high pressure oil pipe after being pressurized, then is detected by the pressure sensor B, the pressure sensor B transmits the detected oil pressure data to the ECU for analysis, when the oil pressure is greater than the pressure of the preset value, the ECU controls the voltage of the oil pump A, reduces the rotating speed of the oil pump A, when the oil pressure is less than the preset minimum, the rotating speed of the oil pump is increased until the normal fuel pressure is reached, and a return pipeline is formed by the pressure sensor B and the oil return pipeline 13 on the fuel switch body 1 during operation, so that redundant fuel can flow back to the oil tank C from the oil return conduit 113, and the real-time regulation and control of the fuel pressure are ensured.
Claims (6)
1. The utility model provides a fuel switch for electricity spouts motorcycle, is including the fuel switch body and set up the filter oil cup in fuel switch body below, and both pass through threaded connection, be equipped with the filter element group spare of filtering fuel impurity in the filter oil cup, be equipped with oil inlet pipe way and play oil pipe way, its characterized in that on the fuel switch body: the fuel switch body is provided with a valve assembly which is communicated with an oil inlet pipeline and can rotate, one end of the fuel switch body, corresponding to the oil filtering cup, is provided with an oil inlet hole communicated with the valve assembly, one end of the oil outlet pipeline is arranged outside the fuel switch body and is connected with an oil supply pump, the other end of the oil outlet pipeline is arranged at one end of the fuel switch body, corresponding to the oil filtering cup, and is used for receiving fuel oil in the oil filtering cup, the fuel switch body is further provided with an oil return pipeline, one end of the oil return pipeline is arranged outside the fuel switch body and is connected with a pressure sensor, and the other end of the oil return pipeline extends.
2. The fuel switch for an electric injection motorcycle of claim 1, characterized in that: the valve component consists of a valve core and a valve rod which is arranged outside the valve core and controls the valve core to rotate, and the valve core is provided with a valve hole which is communicated with the oil inlet pipeline and the oil inlet hole.
3. The fuel switch for an electric injection motorcycle according to claim 1 or 2, characterized in that: the length of the oil return conduit is greater than that of the oil inlet pipeline.
4. The fuel switch for an electric injection motorcycle according to claim 1 or 2, characterized in that: and a filter screen for filtering fuel oil impurities is injected outside the oil inlet pipeline.
5. The fuel switch for an electric injection motorcycle of claim 4, characterized in that: and a sealing ring is arranged between the filter screen and the fuel switch body.
6. The fuel switch for an electric injection motorcycle according to claim 1 or 2, characterized in that: and an O-shaped ring is arranged on the contact surface of the filter oil cup and the fuel switch body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976423.5U CN210106038U (en) | 2019-06-26 | 2019-06-26 | Fuel switch for electric injection motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976423.5U CN210106038U (en) | 2019-06-26 | 2019-06-26 | Fuel switch for electric injection motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106038U true CN210106038U (en) | 2020-02-21 |
Family
ID=69564107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920976423.5U Expired - Fee Related CN210106038U (en) | 2019-06-26 | 2019-06-26 | Fuel switch for electric injection motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106038U (en) |
-
2019
- 2019-06-26 CN CN201920976423.5U patent/CN210106038U/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: 20200221 Termination date: 20210626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |