CN216381663U - Fuel pump assembly, fuel supply system and automobile - Google Patents

Abstract

The utility model provides a fuel pump assembly, a fuel supply system and an automobile, wherein the fuel pump assembly is used in a fuel tank, the fuel pump assembly comprises a fuel pump component and a filter, the fuel pump component is arranged in the fuel tank and is used for pumping out fuel in the fuel tank, the filter is arranged on the fuel pump component, the fuel pump component comprises a fuel storage cylinder and a pump core, the pump core is positioned in the fuel storage cylinder, the filter is communicated with the pump core, and the filter is detachably connected with the outer wall of the fuel storage cylinder, so that the filter and the fuel pump component are integrated, the hydrocarbon emission value of the fuel supply system is reduced, the filter is convenient to detach for cleaning or replacing, the convenience in operation is improved, and the replacement cost is reduced.

Description

Fuel pump assembly, fuel supply system and automobile

Technical Field

The utility model relates to the technical field of automobile equipment, in particular to a fuel pump assembly, a fuel supply system and an automobile.

Background

With the continuous development of the automobile industry, automobiles have become more and more popular in daily life, and fuel-powered automobiles need to deliver fuel to an engine of the automobile through a fuel supply system, and the fuel supply system is communicated with an oil rail of the engine through a fuel supply pipeline.

In the related art, a fuel supply system generally includes a fuel tank, an oil pump disposed in the fuel tank to pump fuel out of the fuel tank, a filter connected to a fuel supply line outside the fuel tank to filter out impurities in the fuel after the fuel is pumped out, and a canister capable of adsorbing the fuel during exhaust of the fuel tank to reduce emissions, wherein the filter may be blocked by the impurities after long-term use, and thus needs to be removed and replaced.

However, in the related art, the filter is externally arranged in the fuel tank, and the filter and the fuel supply pipeline have interfaces outside the fuel tank, so that the hydrocarbon emission value is increased, and the environment is polluted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fuel pump assembly, a fuel supply system and an automobile, and aims to solve the problem that the hydrocarbon emission value is increased due to installation of a filter.

In a first aspect, the present invention provides a fuel pump assembly for use in a fuel tank, the fuel pump assembly comprising a fuel pump component disposed within the fuel tank for pumping fuel from the fuel tank and a filter disposed on the fuel pump component.

Wherein, the oil pump subassembly includes an oil storage section of thick bamboo and pump core, and the pump core is located an oil storage section of thick bamboo, filter and pump core intercommunication, and the filter can be dismantled with the outer wall of an oil storage section of thick bamboo and be connected.

The application provides a fuel pump assembly, through with filter and oil pump assembly integration, place the filter in the fuel tank inside in to avoid filter and fuel feeding pipeline to have the interface in the fuel tank outside, reduced fuel feeding system's hydrocarbon emission value by a wide margin, in addition, filter and oil pump unit mount are fixed reliable, and when the filter blockked up, can pull down the filter and clear up or change, improved the convenience of operation, reduced the replacement cost.

As an optional implementation manner, a containing groove may be formed outside a side wall of the oil storage cylinder, the filter is located in the containing groove, and a groove wall of the containing groove at least partially wraps the filter.

So set up, the structure that can make full use of oil storage section of thick bamboo fixes a position the installation to the filter, improves space utilization, avoids the installation of filter to occupy too much inside volume of fuel tank.

As an optional implementation mode, the side of the containing groove can be provided with a clamping piece, the clamping groove is formed in the clamping piece, the side wall of the filter can be provided with clamping claws, and the clamping claws can be clamped in the clamping groove.

So set up, can be when the convenience is installed or is dismantled the filter, guarantee filter and oil storage section of thick bamboo connection structure's reliability.

As an optional implementation manner, the clamping pieces may be multiple, and the multiple clamping pieces may be located on different sides of the accommodating groove, correspondingly, the clamping jaws may be multiple, and the clamping jaws and the clamping pieces may be arranged in one-to-one correspondence.

So set up, improve the structural strength that filter and oil storage section of thick bamboo are connected, all be difficult for throwing off when the filter receives rocking or the fuel impact of all directions.

As an optional implementation manner, the fuel pump assembly provided by the present application may further include a first connection component, the first connection component may include a first joint, a first connection pipe, and a first elastic member, the first joint may be disposed on the filter and at least partially inserted into the filter, the first joint is communicated with the pump core through the first connection pipe, and the first elastic member is clamped between the first joint and the filter to compress the first joint.

So set up, the pump core can filter in the fuel pump income filter in the oil storage section of thick bamboo, and guarantees connecting line's reliability between the two, avoids connecting not hard up.

As an alternative, the first connection assembly may further include a first sealing element, the first sealing element is sleeved on the first joint, the first sealing element may be located at one end of the first joint facing the filter, and an outer wall of the first sealing element abuts against the filter.

So set up, can improve the sealed effect between first joint and the filter, avoid fuel infiltration or ooze.

As an alternative embodiment, the fuel pump assembly provided by the present application may further include a second connecting member and a pressure regulating valve, the pressure regulating valve being in communication with the reservoir, and the second connecting member may include a second joint, a second connecting pipe, a second elastic member, and a second sealing member.

The second joint can be arranged on the filter and at least partially inserted into the filter, the second joint and the pressure regulating valve can be communicated through a second connecting pipe, and the second elastic piece can be clamped between the second joint and the filter to compress the second joint; the second sealing element can be sleeved on the second joint, the second sealing element is positioned at one end, facing the filter, of the second joint, and the outer wall of the second sealing element is abutted to the filter.

So set up, the fuel after the filter filters can flow through the air-vent valve to guarantee filter output joint's connection reliability.

As an optional implementation mode, the fuel pump assembly provided by the application can further comprise a flange, an oil outlet is formed in the flange, the flange is connected with the oil storage cylinder, the pressure regulating valve is communicated with the oil outlet, an opening is formed in the fuel tank, and the oil pump assembly is mounted on the opening through the flange.

So set up, can maintain the position of fuel pump assembly in the fuel tank, guarantee the reliability of both connections.

In a second aspect, the utility model provides a fuel supply system, which includes a fuel tank and the fuel pump assembly in the above technical solution, the fuel tank may be provided with an opening, the opening is provided with a caulking ring, a flange of the fuel pump assembly is matched with the caulking ring, and a third sealing member may be provided between the flange and the caulking ring.

In a third aspect, the present invention provides an automobile comprising an engine and the fuel supply system of the above technical solution, wherein the fuel supply system is used for supplying fuel to the engine.

The application provides a fuel pump assembly, fuel feed system and car, wherein, the fuel pump assembly is used for in the fuel tank, the fuel pump assembly includes oil pump assembly and filter, oil pump assembly sets up in the fuel tank, and be used for pumping the fuel in the fuel tank, the filter sets up on oil pump assembly, oil pump assembly includes an oil storage section of thick bamboo and pump core, the pump core is located an oil storage section of thick bamboo, filter and pump core intercommunication, and the filter can dismantle with the outer wall of an oil storage section of thick bamboo and be connected, thereby through with filter and oil pump assembly integration, the hydrocarbon discharge value of fuel feed system has been reduced, be convenient for pull down the filter simultaneously and clear up or change, the convenience of operation has been improved, the replacement cost is reduced.

In addition to the technical problems addressed by the embodiments of the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the fuel pump assembly, the fuel supply system, and the automobile provided by the present application, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a fuel pump assembly provided in an embodiment of the present application;

FIG. 2 is a partial view of a filter mounting in a fuel pump assembly according to an embodiment of the present application;

FIG. 3 is a schematic illustration of an installation of a filter adapter in a fuel pump assembly according to an embodiment of the present application;

FIG. 4 is a schematic illustration of a fuel supply path of a fuel pump assembly provided in accordance with an embodiment of the present application;

FIG. 5 is a schematic view of a flange of a fuel pump assembly and a fuel tank assembly according to an embodiment of the present disclosure.

Description of reference numerals:

100-an oil pump assembly; 110-a reservoir; 111-a receiving groove; 112-a clip; 1121-card slot; 120-a pump core; 130-pressure regulating valve;

200-a filter; 210-jaws;

300-a first connection tube; 310-a first joint; 320-a first elastic member; 330-a first seal;

400-a second connecting tube; 410-a second joint; 420-a second elastic member; 430-a second seal;

500-a flange; 510-an oil outlet; 520-an appliance interface;

600-a fuel tank; 610-a thimble; 620-chuck; 630-a third seal;

700-oil rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present application, and are not intended to limit the scope of the present application. And can be adjusted as needed by those skilled in the art to suit particular applications.

Next, it should be noted that, in the description of the present application, the terms of direction or positional relationship indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the direction or positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or member must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application.

Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; there may be communication between the interiors of the two members. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the development of automobile technology, automobiles have become more and more popular in daily life, and fuel-powered automobiles need to deliver fuel to an engine of the automobile through a fuel supply system, and the fuel supply system is communicated with an oil rail of the engine through a fuel supply pipeline. In the related art, a fuel supply system generally includes a fuel tank, an oil pump disposed in the fuel tank to pump fuel out of the fuel tank, a filter connected to a fuel supply line outside the fuel tank to filter out impurities in the fuel after the fuel is pumped out, and a canister capable of adsorbing the fuel during exhaust of the fuel tank to reduce emissions, wherein the filter may be blocked by the impurities after long-term use, and thus needs to be removed and replaced.

However, the requirement of people to environmental protection is higher and higher at present, with the filter external fuel tank, the filter can have the interface with fuel feeding pipeline in the fuel tank outside, leads to hydrocarbon emission value to increase to along with discharging the stricter of regulation, need reduce fuel feeding pipeline's external interface, reduce hydrocarbon infiltration emission value, nevertheless directly build internally with the filter is inside the fuel pump, can't directly change when the filter blocks up, need whole change fuel pump, lead to the cost higher.

In view of the above problems, the embodiment of the application provides a fuel pump assembly, a fuel supply system and an automobile, which can reduce the emission value of hydrocarbon, facilitate the independent replacement of the filter and reduce the repair and replacement cost by embedding the filter in the fuel tank and detachably integrating with the fuel pump.

Fig. 1 is a schematic structural diagram of a fuel pump assembly provided in an embodiment of the present application, fig. 2 is a partial view of an installation of a filter in the fuel pump assembly provided in the embodiment of the present application, fig. 3 is a schematic installation diagram of a filter joint in the fuel pump assembly provided in the embodiment of the present application, and fig. 4 is a schematic diagram of an oil supply path of the fuel pump assembly provided in the embodiment of the present application.

As shown in fig. 1-4, embodiments of the present application provide a fuel pump assembly for use in a fuel tank to pump fuel from the fuel tank during operation of the fuel pump assembly, the fuel pump assembly being removably attachable to the fuel tank and removable from the fuel tank during maintenance or inspection.

The fuel pump assembly can comprise a fuel pump assembly 100 and a filter 200, the fuel pump assembly 100 can be arranged in a fuel tank, the fuel pump assembly 100 can provide power for pumping out fuel, the filter 200 can be arranged on the fuel pump assembly 100, namely, the filter 200 is positioned in the fuel tank, the filter 200 and the fuel pump assembly are arranged in an integrated mode, the filter 200 can filter the fuel when the fuel pump assembly 100 pumps out the fuel, the external filter 200 is avoided, external interfaces of the fuel tank are reduced, leakage points of hydrocarbon emission are reduced, and when the fuel tank is applied to a fuel supply system, the whole hydrocarbon emission value of the fuel supply system is reduced.

The oil pump assembly 100 may include a cartridge 110 and a pump core 120, the pump core 120 is located in the cartridge 110, the cartridge 110 is used for storing fuel to be pumped, i.e., fuel in the fuel tank first enters the cartridge 110, the filter 200 is communicated with the pump core 120, the pump core 120 may pump the fuel in the cartridge 110 into the filter 200, and the filter 200 is detachably connected to an outer wall of the cartridge 110, so that the filter 200 may be removed from the cartridge 110 for cleaning or replacement if the filter 200 is clogged with foreign substances to prevent the fuel from flowing out.

It can be understood that the filter 200 and the oil pump assembly 100 are assembled as a whole, that is, during the assembly process, the filter 200 is assembled on the oil storage cylinder 110 to form a fuel pump assembly, and then the fuel pump assembly is assembled on the fuel tank, and correspondingly, when the fuel pump assembly is disassembled and replaced, the fuel pump assembly is taken out from the fuel tank, and the filter 200 is disassembled and replaced, so that the oil pump assembly 100 can be reserved, and the replacement and maintenance cost can be reduced.

It should be noted that the fuel pump assembly provided in the embodiment of the present application is applied to a fuel supply system, and the fuel supply system can be applied to various devices using fuel as a driving source, for example, the fuel pump assembly can be applied to a vehicle to supply fuel to an engine of the vehicle, and the operation of the pump core 120 can be controlled and driven by a circuit system on the vehicle.

First, the structure and the manner of mounting the filter 200 to the cartridge 110 will be described in detail.

With reference to fig. 1 to 4, in a possible implementation manner, a receiving groove 111 may be formed outside a sidewall of the oil storage cylinder 110, the filter 200 may be disposed in the receiving groove 111, and a groove wall of the receiving groove 111 at least partially wraps the filter 200.

It can be understood that the notch of the containing groove 111 can face the outer side of the side wall of the oil storage cylinder 110, that is, the containing groove 111 is an arc-shaped space formed by the inner recess of the outer wall of the oil storage cylinder 110, the cross-sectional dimension of the filter 200 is matched with the cross-sectional dimension of the containing groove 111, when the filter 200 can be placed into the containing groove 111, a too large gap is prevented from being formed between the groove walls of the filter 200 and the containing groove 111, thereby ensuring the installation stability of the filter 200 and preventing the filter 200 from shaking.

In addition, the accommodating groove 111 is formed by the shape of the side wall of the oil storage cylinder 110, so that the structure of the oil storage cylinder 110 can be fully utilized to position and install the filter 200, and other positioning structures are avoided, thereby improving the space utilization rate in the fuel tank, avoiding the excessive volume occupied by the installation of the filter 200 in the fuel tank and improving the effective oil storage volume of the fuel tank.

In some embodiments, the side of the receiving groove 111 may be provided with a clamping member 112, the clamping member 112 is provided with a clamping groove 1121, and the side wall of the filter 200 may be provided with a clamping claw 210, and the clamping claw 210 may be clamped inside the clamping groove 1121.

Wherein, joint piece 112 can set up the position in the notch side of storage tank 111 to extend to storage tank 111 outside, thereby joint piece 112 and the cell wall of storage tank 111 include the outer wall of filter 200 jointly, and the increase is to the parcel scope of filter 200 outer wall.

Illustratively, the clamping member 112 may be a clamping plate connected to an outer wall of the oil storage cylinder 110, and the clamping groove 1121 may be a through hole formed in the clamping plate, the jaw 210 may protrude from an outer wall of the filter 200, and the jaw 210 has a guide surface and an abutment surface, the guide surface and the abutment surface are located at different sides of the jaw 210 along the insertion direction thereof, so that when the filter 200 is inserted into the receiving groove 111, the guide surface of the jaw 210 may abut against the clamping member 112 and press the clamping member 112 to generate a certain degree of elastic deformation, so that the jaw 210 may smoothly enter the clamping groove 1121, and thereafter, the clamping member 112 recovers from the elastic deformation state, the abutment surface of the jaw 210 abuts against an inner edge of the clamping groove 1121 to prevent the jaw 210 from coming out of the clamping groove 1121, and when the filter 200 needs to be detached, the clamping member 112 is only required to be pried to generate elastic deformation, so that while the filter 200 is conveniently mounted or detached, the reliability of the connection structure of the filter 200 and the cartridge 110 is ensured.

It should be noted that the clamping member 112 may be integrally formed with the oil storage cylinder 110, the latch 210 may be integrally formed with the housing of the filter 200, and the oil storage cylinder 110 and the filter 200 may be made of oil-resistant and corrosion-resistant plastic materials, and the forming method of the clamping member 112 and the latch 210 and the specific materials of the oil storage cylinder 110 and the filter 200 are not limited in the embodiment of the present application.

In addition, joint spare 112 can be a plurality of, and a plurality of joint spares 112 can be located the different sides of storage tank 111, and is corresponding, and jack catch 210 can be a plurality of, and jack catch 210 can the one-to-one setting with joint spare 112 to can improve the structural strength that filter 200 and oil storage cylinder 110 are connected, all be difficult for breaking away when filter 200 receives rocking or fuel impact of all directions.

For example, there may be two clamping members 112 and two claws 210, and the two clamping members 112 may be two opposite sides of the notch of the receiving groove 111, and in practical applications, the filter 200 may be inserted and pulled in or out along the height direction of the oil storage cylinder 110.

Since the fuel in the reservoir 110 needs to be delivered through the pipeline by using the pump core 120 as a driving unit, it will be described below

With continued reference to fig. 1 to 3, in a possible implementation manner, the fuel pump assembly may further include a first connection assembly, and the first connection assembly may include a first connector 310, a first connection pipe 300, and a first elastic member 320, where the first connector 310 may be disposed on the filter 200 and at least partially inserted into the filter 200, the first connector 310 may be communicated with the pump core 120 through the first connection pipe 300, and the first elastic member 320 is clamped between the first connector 310 and the filter 200 to press the first connector 310.

It can be understood that the fuel pumped out from the reservoir 110 by the pump core 120 flows from the first connection pipe 300 to the first connector 310, and the first connector 310 flows into the filter 200, thereby ensuring the reliability of the connection line between the pump core 120 and the filter 200 and preventing the loose connection.

For example, the first elastic member 320 may be a snap spring, and when the first connector 310 and the filter 200 are assembled, the first elastic member 320 may be inserted from a side of a connection position of the first connector 310 and the filter 200, so as to press the first connector 310 and the filter 200.

In addition, in order to avoid the penetration of fuel, the first connection assembly may further include a first sealing member 330, the first sealing member 330 is sleeved on the first joint 310, the first sealing member 330 may be located at an end of the first joint 310 facing the filter 200, and an outer wall of the first sealing member 330 abuts against the filter 200, so that a sealing effect between the first joint 310 and the filter 200 may be improved, and the fuel is prevented from being infiltrated or seeped.

For example, the first sealing member 330 may be an annular sealing gasket, and an annular groove may be formed at an end of the first connector 310 inserted into the filter 200, and the first sealing member 330 may be clamped in the annular groove and partially protrude from the annular groove, so that when the first connector 310 is inserted into the filter 200, the first sealing member 330 has a certain amount of compression to ensure a sealing effect.

It should be noted that, the fuel pump assembly may further include a pressure regulating valve 130, when the fuel filtered by the filter 200 is output, the fuel may pass through the pressure regulating valve 130, the pressure regulating valve 130 may regulate the pressure of the output fuel, the pressure regulating valve 130 may be mounted on the oil storage cylinder 110 through a retainer, and the fuel flowing out from the pressure regulating valve 130 may ensure that the output oil pressure meets the output oil pressure requirement of the actual fuel supply system. The pressure regulating valve 130 is communicated with the filter 200, and the pressure regulating valve 130 may further include an oil outlet pipe and an oil return pipe, wherein the oil outlet pipe is communicated with a fuel outlet of the fuel tank, so that the fuel output by the filter 200 can flow out, and the oil return pipe is communicated with the fuel storage barrel 110, so that the fuel in the fuel storage barrel 110 can be sucked into the fuel storage barrel 110 by utilizing the air effect generated by the fuel return oil passing through the ejector pump of the fuel tank, so as to ensure that the fuel in the fuel storage barrel 110 is in a full-flow state when the fuel pump assembly works, and the specific working principle of the pressure regulating valve 130 is the prior art, and details are not described herein.

In one possible embodiment, the fuel pump assembly may further include a second connecting assembly and a pressure regulating valve 130, the pressure regulating valve 130 being in communication with the cartridge 110, and the second connecting assembly may include a second joint 410, a second connecting pipe 400, a second elastic member 420, and a second sealing member 430.

The second joint 410 may be disposed on the filter 200, and at least a portion of the second joint 410 is inserted into the filter 200, and the second joint 410 and the pressure regulating valve 130 may be communicated through a second connecting pipe 400, and the second elastic member 420 may be clamped between the second joint 410 and the filter 200 to press the second joint 410; the second sealing member 430 may be sleeved on the second joint 410, the second sealing member 430 is located at one end of the second joint 410 facing the filter 200, and an outer wall of the second sealing member 430 abuts against the filter 200, so that the fuel filtered by the filter 200 may flow out through the pressure regulating valve 130, and the connection reliability of the output joint of the filter 200 is ensured.

It will be understood by those skilled in the art that the second elastic member 420 may be a snap spring, the second sealing member 430 may be an annular gasket, and the assembly manner of the second elastic member 420, the second sealing member 430 and the second joint 410, and the assembly manner and achieved effect of the second joint 410 and the filter 200 may be similar to the assembly manner of the first joint 310 and the filter 200, and will not be described herein again.

In addition, both the first joint 310 and the second joint 410 may be disposed at the top of the filter 200, and the orientations may be the same to ensure convenience in installation and arrangement of the first connection pipe 300 and the second connection pipe 400. When the filter 200 is disassembled, the first elastic member 320 and the second elastic member 420 may be pulled out, the first connector 310 and the second structure may be pulled out, and then the filter 200 may be disassembled.

With continued reference to fig. 1 and 4, in one possible embodiment, the fuel pump assembly may further include a flange 500, the flange 500 is provided with an outlet 510, the flange 500 is connected to the reservoir 110, the pressure regulating valve 130 is communicated with the outlet 510, the fuel tank is provided with an opening, the fuel pump assembly 100 is mounted on the opening through the flange 500, and the fuel flowing from the outlet 510 can enter the fuel rail 700.

It will be appreciated that the flange 500 is movably connected to the oil pump assembly 100 by means of a spring and a guide rod so that the oil pump assembly 100 is not damaged when the inner wall of the fuel tank is deformed when the pressure in the fuel tank changes.

In addition, an electrical interface 520 may be disposed on the flange 500, and the electrical interface 520 may be plugged into an electrical structure of an external control circuit to control operation of the fuel pump assembly and monitor a liquid level in the fuel tank through the fuel pump assembly, for example, in an automobile, there may be a circuit system of the entire automobile to supply power to the fuel pump assembly through the electrical interface 520, and to send a control signal and receive a feedback signal.

The embodiment of the application provides a fuel pump assembly, be used for in the fuel tank, fuel pump assembly includes oil pump assembly and filter, oil pump assembly sets up in the fuel tank, and be used for pumping the fuel in the fuel tank, the filter sets up on oil pump assembly, oil pump assembly includes an oil storage section of thick bamboo and pump core, the pump core is located an oil storage section of thick bamboo, filter and pump core intercommunication, and the filter can be dismantled with the outer wall of an oil storage section of thick bamboo and be connected, thereby through integrated with filter and oil pump assembly, the hydrocarbon emission value of fuel feed system has been reduced, be convenient for pull down the filter simultaneously and clear up or change, the convenience of operation has been improved, and the replacement cost is reduced.

Fig. 5 is a schematic view of an assembly of a flange of a fuel pump assembly and a fuel tank according to an embodiment of the present disclosure, please refer to fig. 5, which further provides a fuel supply system including the fuel tank 600 and the fuel pump assembly according to the above-mentioned technical solution, the fuel tank 600 may have an opening, the opening may have a collar 610, the flange 500 of the fuel pump assembly is engaged with the collar 610, and a third sealing member 630 may be disposed between the flange 500 and the collar 610.

It can be understood that, in order to ensure the sealing of the assembly of the fuel tank 600 and the fuel pump assembly, an installation manner of the insert ring 610 may be adopted, that is, when the fuel tank 600 is molded, the insert ring 610 is disposed on the opening of the fuel tank 600, for example, when a plastic fuel tank is adopted and blow-molded, the insert ring 610 and the fuel tank are integrally disposed, the third sealing element 630 may be a sealing ring, the insert ring 610 may be disposed with a sealing ring, the flange 500 may be assembled with the insert ring 610, and the flange 620 is pressed and clamped in place, so that the position of the fuel pump assembly in the fuel tank 600 may be maintained, and the reliability of the connection between the two may be ensured.

It should be noted that the structure of the fuel pump assembly is the same as that in the foregoing technical solution, and is not described herein again, and the assembly manner of the insert ring 610 and the chuck 620 is the prior art, and is not described herein again.

The embodiment of the application provides an automobile, including engine and the fuel supply system in above-mentioned technical scheme, fuel supply system is used for supplying fuel to the engine.

It can be understood that the vehicle provided in this embodiment may be a fuel vehicle or a hybrid vehicle, and may be a series hybrid vehicle, a parallel hybrid vehicle, or a series-parallel hybrid vehicle, which may use fuel as a power fuel, for example, which is not limited in this embodiment.

The automobile provided by the embodiment of the application has all technical schemes and all technical effects of the fuel pump assembly and the fuel supply system, and the details are not repeated herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A fuel pump assembly is used in a fuel tank, and comprises a fuel pump component and a filter, wherein the fuel pump component is arranged in the fuel tank and is used for pumping out fuel in the fuel tank, and the filter is arranged on the fuel pump component;

the oil pump subassembly includes an oil storage section of thick bamboo and a pump core, the pump core is located in the oil storage section of thick bamboo, the filter with the pump core intercommunication, just the filter with the connection can be dismantled to the outer wall of an oil storage section of thick bamboo.

2. A fuel pump assembly as set forth in claim 1, wherein a recess is formed in an outer portion of a side wall of the cartridge, the filter is located in the recess, and a wall of the recess at least partially surrounds the filter.

3. The fuel pump assembly of claim 2, wherein a clamping member is arranged on the side of the accommodating groove, a clamping groove is formed in the clamping member, and a clamping jaw is arranged on the side wall of the filter and clamped in the clamping groove.

4. The fuel pump assembly of claim 3, wherein the plurality of snap-in members are located on different sides of the receiving groove, the plurality of jaws are provided, and the jaws are in one-to-one correspondence with the snap-in members.

5. The fuel pump assembly of any of claims 1-4, further comprising a first connecting element, the first connecting element comprising a first joint, a first connecting tube, and a first elastic member, the first joint being disposed on the filter and at least partially inserted into the filter, the first joint being in communication with the pump cartridge through the first connecting tube, the first elastic member being engaged between the first joint and the filter to compress the first joint.

6. The fuel pump assembly of claim 5, wherein the first connection assembly further comprises a first seal member that fits over the first connector, the first seal member being located at an end of the first connector that faces the filter, and an outer wall of the first seal member abutting the filter.

7. The fuel pump assembly of any of claims 1 to 4, further comprising a second connecting member and a pressure regulating valve, the pressure regulating valve being in communication with the reservoir, the second connecting member comprising a second joint, a second connecting pipe, a second elastic member and a second sealing member, the second joint being disposed on the filter and at least partially inserted into the filter, the second joint being in communication with the pressure regulating valve via the second connecting pipe, the second elastic member being engaged between the second joint and the filter to press the second joint;

the second sealing element is sleeved on the second joint, the second sealing element is located at one end, facing the filter, of the second joint, and the outer wall of the second sealing element is abutted to the filter.

8. The fuel pump assembly of claim 7, further comprising a flange having an outlet, the flange being connected to the reservoir, the pressure regulating valve being in communication with the outlet, the fuel tank having an opening, the flange being mounted over the opening.

9. A fuel supply system comprising a fuel tank and the fuel pump assembly of any one of claims 1 to 8, wherein the fuel tank has an opening, the opening has a collar, the fuel pump assembly has a flange that engages the collar, and a third seal is disposed between the flange and the collar.

10. A motor vehicle comprising an engine and a fuel supply system as claimed in claim 9 for supplying fuel to the engine.

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