Oil return structure of fuel pump device
阅读说明：本技术 燃油泵装置的回油结构 (Oil return structure of fuel pump device ) 是由 王顺从 姜宗佑 李明威 于 2018-06-14 设计创作，主要内容包括：本发明提供一种燃油泵装置的回油结构,应用于车辆燃油箱中,该燃油泵装置包含有一法兰盘组件,作用为将该燃油泵装置锁附结合于该燃油箱；一托架组装于该法兰盘组件下方；一燃油泵设于该托架内,可输出燃油经由该法兰盘组件至车辆内燃机；一压力调节器设于该法兰盘组件,该压力调节器可将该燃油泵所提供的燃油进行压力调节；一压力调节器扣组装于该压力调节器上,用以将该压力调节器固定于该法兰盘组件上；一滤网位于该燃油泵装置下方,用以过滤燃油中的脏污；一吸油管将该燃油泵与该滤网连接；一回油管一端与该法兰盘组件连接,另一端装设于该滤网上方,可将压力调节器调节排出的燃油导引排至该滤网上。(The invention provides an oil return structure of a fuel pump device, which is applied to a vehicle fuel tank, and the fuel pump device comprises a flange plate component and is used for locking and combining the fuel pump device with the fuel tank; a bracket is assembled below the flange plate component; a fuel pump is arranged in the bracket and can output fuel to the vehicle internal combustion engine through the flange plate assembly; the pressure regulator is arranged on the flange plate assembly and can regulate the pressure of the fuel oil provided by the fuel pump; a pressure regulator fastener assembled on the pressure regulator for fixing the pressure regulator on the flange component; a filter screen is arranged below the fuel pump device and used for filtering dirt in the fuel oil; the fuel pump is connected with the filter screen through an oil suction pipe; one end of an oil return pipe is connected with the flange plate assembly, and the other end of the oil return pipe is arranged above the filter screen and can guide and discharge the fuel oil which is regulated and discharged by the pressure regulator to the filter screen.)
1. An oil return structure of a fuel pump device is applied to a vehicle fuel tank, the fuel pump device is assembled in the fuel tank, and the fuel pump device is characterized by comprising:
a flange assembly for lockingly attaching the fuel pump assembly to the fuel tank;
a bracket assembled below the flange plate component;
the fuel pump is arranged in the bracket and can output fuel to an internal combustion engine of the vehicle through the flange plate assembly so that the vehicle can drive;
the pressure regulator is arranged on the flange plate assembly and can regulate the pressure of the fuel oil provided by the fuel pump, so that the pressure of the fuel oil in the pipeline is stable;
the filter screen is positioned below the fuel pump device and used for filtering dirt in fuel oil;
an oil suction pipe connecting the fuel pump with the filter screen; and a process for the preparation of a coating,
one end of the return oil pipe is connected with the flange plate component, and the other end of the return oil pipe is arranged above the filter screen so as to guide fuel oil to be discharged onto the filter screen.
2. The oil return structure of a fuel pump apparatus according to claim 1, characterized in that: one end of the oil return pipe is connected with the flange plate assembly, and the other end of the oil return pipe is connected with the filter screen.
3. The oil return structure of a fuel pump apparatus according to claim 1, wherein the flange assembly has:
an oil outlet capable of outputting fuel to a vehicle internal combustion engine;
a connector for electrical connection with a vehicle end; and a process for the preparation of a coating,
and the leading-out wire group is used for electrically connecting the connector with the fuel pump.
4. The oil return structure of a fuel pump apparatus according to claim 1, characterized in that: the fuel pump outputs fuel, the fuel can flow out through a main flow passage above the fuel pump, and a part of the fuel can pass through an oil outlet flow passage above the main flow passage and flow to an oil outlet of the flange plate assembly so as to output the fuel to a vehicle internal combustion engine; the other part of the fuel passes through an oil inlet flow passage at the other end of the oil outlet flow passage, then flows to a primary flow passage, and enters the pressure regulator for regulating the pressure of the fuel so as to stabilize the pressure of the fuel in a pipeline in the fuel pump device; the fuel oil can flow to an oil drainage hole of the flange plate assembly after being subjected to pressure regulation, the oil drainage hole is communicated with the oil return pipe, so that the fuel oil enters the oil return pipe through the oil drainage hole and is discharged onto the filter screen, the filter screen can filter the fuel oil, and the fuel oil in the filter screen is conveyed to the fuel pump through the oil suction pipe.
Technical Field
The present invention relates to an oil return structure of a fuel pump device, and more particularly, to an oil return structure of a fuel pump device, which is applied to a fuel tank of a vehicle and can maintain the power of the vehicle without causing a failure phenomenon.
Background
An All Terrain Vehicle (e.g., an All Terrain Vehicle, ATV) is a low pressure tire Vehicle that is more Terrain-friendly than other vehicles, typically three or four wheeled, and for some special applications, a six wheeled design.
As shown in fig. 1 and 2, the conventional
The
When a vehicle runs on a dangerous terrain, if the vehicle is subjected to conditions such as over-bending or rapid acceleration and deceleration, fuel in the fuel tank shakes to the other side, the
In view of the above-mentioned deficiencies in the prior art, the present inventors have conducted active studies and continued experiments and improvements to develop the present invention based on the experience of the present inventors with their expertise in this field.
Disclosure of Invention
The main object of the present invention is to provide an oil return structure of a fuel pump device, which can solve the problem of insufficient power of a vehicle due to the fuel pump device being unable to normally suck fuel under a dangerous terrain, and can improve the fuel output efficiency.
In order to achieve the above objects and advantages, the present invention provides an oil return structure of a fuel pump device, which is applied to a fuel tank of a vehicle, the fuel pump device is assembled in the fuel tank, and the fuel pump device is characterized by comprising:
a flange assembly for lockingly attaching the fuel pump assembly to the fuel tank;
a bracket assembled below the flange plate component;
the fuel pump is arranged in the bracket and can output fuel to an internal combustion engine of the vehicle through the flange plate assembly so that the vehicle can drive;
the pressure regulator is arranged on the flange plate assembly and can regulate the pressure of the fuel oil provided by the fuel pump, so that the pressure of the fuel oil in the pipeline is stable;
the filter screen is positioned below the fuel pump device and used for filtering dirt in fuel oil;
an oil suction pipe connecting the fuel pump with the filter screen; and a process for the preparation of a coating,
one end of the return oil pipe is connected with the flange plate component, and the other end of the return oil pipe is arranged above the filter screen so as to guide fuel oil to be discharged onto the filter screen.
The oil return structure of the fuel pump device, wherein: one end of the oil return pipe is connected with the flange plate assembly, and the other end of the oil return pipe is connected with the filter screen.
The oil return structure of the fuel pump device, wherein the flange assembly is provided with:
an oil outlet capable of outputting fuel to a vehicle internal combustion engine;
a connector for electrical connection with a vehicle end; and a process for the preparation of a coating,
and the leading-out wire group is used for electrically connecting the connector with the fuel pump.
The oil return structure of the fuel pump device, wherein: the fuel pump outputs fuel, the fuel can flow out through a main flow passage above the fuel pump, and a part of the fuel can pass through an oil outlet flow passage above the main flow passage and flow to an oil outlet of the flange plate assembly so as to output the fuel to a vehicle internal combustion engine; the other part of the fuel passes through an oil inlet flow passage at the other end of the oil outlet flow passage, then flows to a primary flow passage, and enters the pressure regulator for regulating the pressure of the fuel so as to stabilize the pressure of the fuel in a pipeline in the fuel pump device; the fuel oil can flow to an oil drainage hole of the flange plate assembly after being subjected to pressure regulation, the oil drainage hole is communicated with the oil return pipe, so that the fuel oil enters the oil return pipe through the oil drainage hole and is discharged onto the filter screen, the filter screen can filter the fuel oil, and the fuel oil in the filter screen is conveyed to the fuel pump through the oil suction pipe.
The oil return structure of the fuel pump device can ensure that the fuel pump device can always circularly provide fuel for the internal combustion engine of the vehicle, so that the vehicle does not have the situation of half flameout when being driven, the driving safety can be greatly improved, the fuel can be effectively utilized, and the loss of the fuel is reduced.
For a better understanding of the nature and technical content of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are included to provide a further understanding of the invention, and to the accompanying drawings, which are incorporated in and constitute a part of this specification.
Drawings
Fig. 1 is a perspective view of a conventional fuel pump device.
Fig. 2 is a plan view of a conventional fuel pump apparatus.
FIG. 3 is a perspective view of the fuel tank of the present invention.
Fig. 4 is a perspective view of an oil return structure of the fuel pump apparatus of the present invention.
Fig. 5 is a plan view of an oil return structure of the fuel pump apparatus of the present invention.
Fig. 6 is a schematic view of a fuel flow path of an oil return structure of the fuel pump apparatus of the present invention.
Fig. 7 is a schematic view of another fuel flow path of the oil return structure of the fuel pump device according to the present invention.
Fig. 8 is a schematic view of a fuel return structure of the fuel pump apparatus of the present invention in a fuel tank.
Description of reference numerals: (invention) a
Detailed Description
Referring to fig. 3 to 5, fig. 3 is a perspective view of a fuel tank according to the present invention, fig. 4 is a perspective view of an oil return structure of a fuel pump apparatus according to the present invention, and fig. 5 is a plan view of the oil return structure of the fuel pump apparatus according to the present invention. The invention relates to an oil return structure of a fuel pump device, which is applied to a vehicle fuel tank.
A
Wherein the
Referring to fig. 6 and 7, fig. 6 is a schematic view of a fuel flow path of an oil return structure of a fuel pump apparatus according to the present invention, and fig. 7 is a schematic view of another fuel flow path of the oil return structure of the fuel pump apparatus according to the present invention. The
Referring to fig. 8, fig. 8 is a schematic view of an oil return structure of a fuel pump device according to the present invention in a fuel tank. When a vehicle runs on a dangerous terrain, if the vehicle is subjected to conditions such as over-bending or rapid acceleration and deceleration, fuel in the
The oil return structure of the fuel pump device can ensure that the fuel pump device can always circularly provide fuel for the internal combustion engine of the vehicle, so that the vehicle does not have the situation of half flameout when being driven, the driving safety can be greatly improved, the fuel can be effectively utilized, and the loss of the fuel is reduced.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
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