CN117780693A - Electric pump filter element and shell of integrated oil suction pipe - Google Patents

Electric pump filter element and shell of integrated oil suction pipe Download PDF

Info

Publication number
CN117780693A
CN117780693A CN202311784129.1A CN202311784129A CN117780693A CN 117780693 A CN117780693 A CN 117780693A CN 202311784129 A CN202311784129 A CN 202311784129A CN 117780693 A CN117780693 A CN 117780693A
Authority
CN
China
Prior art keywords
oil
suction pipe
electric pump
oil suction
filter
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.)
Pending
Application number
CN202311784129.1A
Other languages
Chinese (zh)
Inventor
司福贵
苗珊珊
柏福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Heavy Duty Truck Group Jinan Power Co Ltd
Original Assignee
China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China National Heavy Duty Truck Group Jinan Power Co Ltd filed Critical China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority to CN202311784129.1A priority Critical patent/CN117780693A/en
Publication of CN117780693A publication Critical patent/CN117780693A/en
Pending legal-status Critical Current

Links

Landscapes

  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The invention discloses an electric pump filter element integrating an oil suction pipe and a shell, and relates to the technical field of diesel oil filtration, wherein the electric pump filter element comprises a diesel oil tank, an oil storage cavity is formed in the diesel oil tank, a filter element assembly is arranged in the oil storage cavity, an electric pump assembly is arranged above the filter element assembly, the electric pump assembly comprises an electric pump and a filter base, the filter base is provided with a through hole and an oil outlet, the through hole is communicated with an oil pumping channel of the electric pump, and the oil outlet is provided with an oil outlet connector; the filter base is also connected with an oil suction pipe assembly which is positioned in the diesel tank. The invention solves the technical problems of the prior art that the diesel filtering system is not compact and has poor exhaust function.

Description

Electric pump filter element and shell of integrated oil suction pipe
Technical Field
The invention relates to the technical field of diesel oil filtration, in particular to an electric pump filter element integrated with an oil suction pipe and a shell.
Background
The diesel filter system is a device for cleaning and purifying diesel fuel, and has a main purpose of removing harmful substances in the fuel and realizing oil-water separation, and plays a vital role in vehicles.
The diesel filtering system comprises a coarse filter and a fine filter of diesel. The primary function of the diesel strainer is to intercept larger sized particulates and moisture to prevent these from entering the interior of the engine, thereby protecting the engine from damage. The diesel fine filter further processes the fine particles in the diesel to provide finer filtration. In diesel strainer designs, a manual pump is typically provided, most of which are diaphragm hand pumps, which can be used to vent air from the filter inner vessel to ensure the passage of oil when a user needs to service the system or replace the filter cartridge.
However, current diesel strainers and fine strainers are typically mounted independently on the vehicle chassis and are connected to the suction line in the fuel tank by a line. This design, while viable, has some significant drawbacks. For example, it is heavy, costly, and relatively not compact, resulting in increased fluid resistance within the system. In addition, its exhaust function is also undesirable, sometimes resulting in difficult and even in extreme cases impossible engine starting.
Disclosure of Invention
According to the embodiment of the application, the electric pump filter element and the shell of the integrated oil suction pipe are provided, so that the technical problem that a diesel filtering system is not compact enough in structure and poor in exhaust function in the prior art is solved.
In order to solve the technical problems, the invention adopts the following technical scheme that the filter element and the shell of the electric pump filter integrating the oil suction pipe comprise a diesel tank, an oil storage cavity is formed in the diesel tank, a filter element assembly is arranged in the oil storage cavity, an electric pump assembly is arranged above the filter element assembly, the electric pump assembly comprises an electric pump and a filter base, the filter base is provided with a through hole and an oil outlet, the through hole is communicated with an oil pumping channel of the electric pump, and the oil outlet is provided with an oil outlet connector; the filter base is also connected with an oil suction pipe assembly which is positioned in the diesel tank.
In the use process of the diesel oil filter, the electric pump assembly can suck the oil in the diesel oil tank into the filter base through the oil suction pipe assembly, then the oil is filtered through the filter element assembly, when the engine oil delivery pump begins to work, negative pressure is generated in the oil storage cavity, and the filtered diesel oil can flow to the engine through the oil outlet. The invention reduces the connecting pipeline and the pressure loss on the premise of meeting the function of the diesel filter, and effectively solves the problems of the prior art that the diesel filter system is not compact and has poor exhaust function.
Further, the upper end of the oil storage cavity is provided with an annular installation boss, the electric pump assembly further comprises a special-shaped sealing ring and a threaded handle, the special-shaped sealing ring is positioned between the filter base and the installation boss, and the filter base is connected with the installation boss through the threaded handle; therefore, the filter element assembly and the electric pump assembly can be conveniently disassembled, and meanwhile, good sealing performance is kept.
Further, the filter base is provided with a vent hole, and the vent hole is provided with an exhaust screw.
Further, the filter element assembly comprises a filter element, a filter element upper end cover and a filter element lower end cover, wherein the inner side of the filter element is a clean oil area, the outer side of the filter element is a dirty oil area, and the lower part of the electric pump is positioned at the inner side of the filter element; the cavity between the upper end cover of the filter element and the filter base forms a main oil flow passage.
Further, a one-way valve is arranged at the upper part of the upper end cover of the filter element and is communicated with the oil outlet, and the flowing direction of the opened one-way valve is that the main oil flow channel flows to the oil outlet; the check valve can prevent diesel oil from flowing back when the electric pump works.
Furthermore, an O-shaped sealing ring is arranged on the outer side of the upper end cover of the filter element; the filter element component and the filter base are sealed more reliably.
Further, the oil suction pipe assembly comprises an oil suction pipe, the upper end of the oil suction pipe is connected with the filter base, and the lower end of the oil suction pipe extends to the bottom of the diesel tank.
Further, the oil suction pipe assembly further comprises an upper embedded nut and a lower embedded nut, wherein the upper embedded nut is embedded in the top of the diesel tank, the lower embedded nut is embedded in the bottom of the diesel tank, and the top and the bottom of the oil suction pipe are respectively fixed through the upper embedded nut and the lower embedded nut; therefore, the oil suction pipe can be fixed in the diesel tank more reliably.
Further, a filter screen is arranged at the top of the oil suction pipe, a fixing bolt is matched at the bottom of the oil suction pipe, and the fixing bolt is connected with the lower embedded nut through threads; therefore, in the process that the oil in the diesel tank is sucked into the filter base, the filter screen at the top of the oil suction pipe can filter impurities in the oil.
Further, an oil suction pipe sealing ring is arranged between the upper embedded nut and the oil suction pipe; the oil cavity between the filter base and the outer side of the filter element is reliably sealed, and the electric pump can normally absorb oil during working.
According to the technical scheme, the invention has at least the following technical effects or advantages:
in the use process of the diesel oil filter, the electric pump assembly can suck the oil in the diesel oil tank into the filter base through the oil suction pipe assembly, then the oil is filtered through the filter element assembly, when the engine oil delivery pump begins to work, negative pressure is generated in the oil storage cavity, and the filtered diesel oil can flow to the engine through the oil outlet. The invention reduces the connecting pipeline and the pressure loss on the premise of meeting the function of the diesel filter, and effectively solves the problems of the prior art that the diesel filter system is not compact and has poor exhaust function.
Drawings
For a clearer description of the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained, without inventive effort, by a person skilled in the art, from these drawings:
FIG. 1 is a schematic view of the assembled structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic view of the oil suction pipe assembly of the present invention;
fig. 5 is an exploded view of the present invention as a whole.
Reference numerals illustrate: 1. diesel tank, 2, installation boss, 3, screw handle, 4, electric pump, 5, filter base, 6, special-shaped sealing washer, 7, O type sealing washer, 8, exhaust screw, 9, oil suction port, 10, fixing bolt, 11, oil suction pipe, 12, filter screen, 13, filter core, 14, oil suction pipe sealing ring, 15, filter core upper end cover, 16, filter core lower end cover, 17, oil storage chamber, 18, water storage chamber, 19, oil-water separation sensor, 20, oil outlet joint, 21, through hole, 22, oil outlet, 23, check valve, 24, upper embedded nut, 25, lower embedded nut.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in this patent, other embodiments that may be obtained by one of ordinary skill in the art without making any inventive effort are within the scope of this patent.
The invention discloses an electric pump filter element integrating an oil suction pipe and a shell, which comprise a diesel tank 1, wherein an oil storage cavity 17 is arranged in the diesel tank 1. A filter element assembly is arranged in the oil storage cavity 17 to filter the diesel oil. An electric pump assembly is arranged above the filter element assembly to drive the flow of diesel oil. The electric pump assembly comprises an electric pump 4 and a filter base 5, wherein a through hole 21 and an oil outlet 22 are arranged on the filter base 5, the through hole 21 is communicated with an oil pumping channel of the electric pump 4, and an oil outlet connector 20 is arranged on the oil outlet 22. In addition, the filter base 5 is also connected with an oil suction pipe assembly which is placed inside the diesel tank 1 to realize efficient diesel extraction and delivery. Through this kind of design, the filter not only can effectively filter the impurity in the diesel oil, simultaneously through the assistance of charge pump 4, has realized the transport of diesel oil, has reduced connecting line and pressure loss, has effectively solved the not compact enough problem of diesel oil filtration system structure among the prior art, exhaust function is not good.
As shown in fig. 2 and 5, a mounting boss 2 is provided at the top of the oil storage chamber 17, and the mounting boss 2 is an annular protrusion for mounting and fixing the electric pump assembly. The pump assembly further comprises a profiled sealing ring 6 and a threaded handle 3. The profiled sealing ring 6 is placed between the filter base 5 and the mounting boss 2 to provide a sealing effect. The filter base 5 is connected with the mounting boss 2 through the screw handle 3 so that the filter base 5 can be firmly mounted on the oil storage chamber 17. Therefore, the filter element assembly and the electric pump assembly can be conveniently disassembled, and meanwhile, good sealing performance is kept. In addition, the filter base 5 is provided with a vent hole, and the vent hole is provided with an exhaust screw 8.
The filter element assembly comprises a filter element 13, a filter element upper end cover 15 and a filter element lower end cover 16, wherein the filter element 13 divides the inner space of the oil storage cavity 17 into an oil purifying area and a dirty oil area, the inner side of the filter element 13 is the oil purifying area, and the outer side of the filter element 13 is the dirty oil area. The bottom of the electric pump 4 is located inside the filter cartridge 13. The cavity between the cartridge upper end cap 15 and the filter base 5 forms the primary oil flow path. In addition, a one-way valve 23 is further arranged at the upper part of the upper end cover 15 of the filter element, the one-way valve 23 is communicated with the oil outlet 22, and the flow direction of the opened one-way valve 23 is the flow direction of the main oil flow channel to the oil outlet 22. When the diesel oil is filtered in the filter element 13, the diesel oil needs to be safely discharged from the oil outlet 22 of the filter base 5, and the one-way valve 23 can ensure the one-way flow of the diesel oil in the system, prevent the reverse flow and keep the normal operation of the system. Preferably, the outside of the cartridge upper end cap 15 is also provided with an O-ring 7 to make the cartridge assembly more securely sealed to the filter base 5. It will be appreciated that the outside of the cartridge lower end cap 16 may also be provided with an O-ring 7, thereby enabling complete isolation of the dirty oil region from the clean oil region.
As shown in fig. 3 to 5, the oil suction pipe assembly includes an oil suction pipe 11, an upper end of the oil suction pipe 11 is connected with the filter base 5, and a lower end of the oil suction pipe 11 extends to a bottom of the diesel tank 1. Preferably, the oil suction pipe assembly further comprises an upper embedded nut 24 and a lower embedded nut 25, wherein the upper embedded nut 24 is embedded in the top of the diesel tank 1, the lower embedded nut 25 is embedded in the bottom of the diesel tank 1, and the top and the bottom of the oil suction pipe 11 are respectively fixed through the upper embedded nut 24 and the lower embedded nut 25. This makes it possible to secure the oil suction pipe 11 in the diesel tank 1 more reliably.
In addition, the top of inhaling oil pipe 11 is equipped with filter screen 12, and the bottom of inhaling oil pipe 11 is fitted with fixing bolt 10, and fixing bolt 10 passes through threaded connection with lower embedded nut 25 and is equipped with the oil suction port 9, and the oil suction port communicates with inhaling oil pipe 11. Thus, in the process that the diesel oil in the diesel oil tank 1 is sucked into the filter base 5, the filter screen 12 at the top of the oil suction pipe 11 can filter impurities therein. Preferably, a suction tube sealing ring 14 is provided between the upper embedded nut 24 and the suction tube 11. Therefore, the oil cavity between the filter base 5 and the outer side of the filter element 13 can be reliably sealed, and the electric pump 4 can normally absorb oil during working.
On the other hand, the diesel tank 1 is also provided with a water storage cavity 18, the water storage cavity 18 is positioned below the oil storage tank, and an oil-water separation sensor 19 is arranged at the bottom of the water storage cavity 18. Preferably, as shown in fig. 5, the oil-water separation sensor 19 and the drain valve are integrally designed, so that automatic drainage can be realized, and the operation is more convenient.
When the invention is used, the working principle is as follows:
when the electric pump 4 works, diesel oil is sucked into the filter base 5 through the oil suction port 9 under the action of negative pressure, then flows to a dirty oil area outside the filter element 13, passes through the filter element 13 and is filtered by the filter element 13, and the diesel oil in the clean oil area is conveyed to the oil outlet 22 through an oil pumping flow passage of the electric pump 4. At this time, the check valve 23 provided in the main oil flow passage is in a closed state. When the electric pump 4 stops working, the engine oil transfer pump starts working at this time, negative pressure is generated in the oil storage cavity 17, the one-way valve 23 in the main oil flow passage is opened, and diesel oil in the clean oil area enters the oil outlet 22 through the main oil flow passage and then flows to the engine. The invention reduces the connecting pipeline and the pressure loss on the premise of meeting the function of the diesel filter, and effectively solves the problems of the prior art that the diesel filter system is not compact and has poor exhaust function.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. as indicated if there is an orientation or positional relationship based on that shown in the drawings are merely for the purpose of describing the present invention and do not require that the present invention must be constructed or operated in a specific orientation and thus should not be construed as limiting the present invention. "connected" and "connected" in the present invention are to be understood broadly, and may be, for example, connected or detachably connected; the connection may be direct or indirect through intermediate members, and the specific meaning of the terms may be understood in detail by those skilled in the art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an integrated electric pump filter core and casing that inhales oil pipe, includes diesel tank (1), its characterized in that, the inside of diesel tank (1) is formed with oil storage chamber (17), installs filter element assembly in oil storage chamber (17), installs the electric pump assembly above the filter element assembly, and the electric pump assembly includes charge pump (4), filter base (5), and filter base (5) are equipped with through-hole (21) and oil-out (22), through-hole (21) communicate with each other with the pump oil passageway of charge pump (4), are equipped with out oily joint (20) on oil-out (22); the filter base (5) is also connected with an oil suction pipe assembly which is positioned in the diesel tank (1).
2. The electric pump filter element and the shell of the integrated oil suction pipe according to claim 1, wherein the upper end of the oil storage cavity (17) is provided with an annular installation boss (2), the electric pump assembly further comprises a special-shaped sealing ring (6) and a threaded handle (3), the special-shaped sealing ring (6) is positioned between the filter base (5) and the installation boss (2), and the filter base (5) is connected with the installation boss (2) through the threaded handle (3).
3. An electric pump filter cartridge and housing incorporating an oil suction pipe according to claim 2, wherein the filter base (5) is provided with a vent hole on which a vent screw (8) is provided.
4. The electric pump filter cartridge and the shell integrated with the oil suction pipe according to claim 1, wherein the cartridge assembly comprises a cartridge (13), a cartridge upper end cover (15) and a cartridge lower end cover (16), the inner side of the cartridge (13) is a clean oil area, the outer side of the cartridge (13) is a dirty oil area, and the lower part of the electric pump (4) is positioned at the inner side of the cartridge (13); the cavity between the filter element upper end cover (15) and the filter base (5) forms a main oil flow passage.
5. The filter element and the shell of the electric pump filter integrated with the oil suction pipe according to claim 4, wherein a one-way valve (23) is arranged at the upper part of an upper end cover (15) of the filter element, the one-way valve (23) is communicated with the oil outlet (22), and the flowing direction of the opened one-way valve (23) is a main oil flow channel to the oil outlet (22).
6. The electric pump filter cartridge and housing integrated with an oil suction pipe according to claim 5, wherein an O-ring (7) is further provided on the outside of the upper end cap (15) of the cartridge.
7. The electric pump filter cartridge and housing integrated with an oil suction pipe according to claim 1, wherein the oil suction pipe assembly comprises an oil suction pipe (11), the upper end of the oil suction pipe (11) is connected with the filter base (5), and the lower end of the oil suction pipe (11) extends to the bottom of the diesel tank (1).
8. The electric pump filter cartridge and the casing of the integrated oil suction pipe according to claim 7, wherein the oil suction pipe assembly further comprises an upper embedded nut (24) and a lower embedded nut (25), the upper embedded nut (24) is pre-buried at the top in the diesel tank (1), the lower embedded nut (25) is pre-buried at the bottom in the diesel tank (1), and the top and the bottom of the oil suction pipe (11) are respectively fixed by the upper embedded nut (24) and the lower embedded nut (25).
9. The electric pump filter element and the shell integrated with the oil suction pipe according to claim 8, wherein a filter screen (12) is arranged at the top of the oil suction pipe (11), a fixing bolt (10) is matched with the bottom of the oil suction pipe (11), and the fixing bolt (10) is connected with a lower embedded nut (25) through threads.
10. The electric pump filter cartridge and housing integrated with an oil suction pipe according to claim 8, wherein an oil suction pipe sealing ring (14) is provided between the upper embedded nut (24) and the oil suction pipe (11).
CN202311784129.1A 2023-12-22 2023-12-22 Electric pump filter element and shell of integrated oil suction pipe Pending CN117780693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311784129.1A CN117780693A (en) 2023-12-22 2023-12-22 Electric pump filter element and shell of integrated oil suction pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311784129.1A CN117780693A (en) 2023-12-22 2023-12-22 Electric pump filter element and shell of integrated oil suction pipe

Publications (1)

Publication Number Publication Date
CN117780693A true CN117780693A (en) 2024-03-29

Family

ID=90395643

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311784129.1A Pending CN117780693A (en) 2023-12-22 2023-12-22 Electric pump filter element and shell of integrated oil suction pipe

Country Status (1)

Country Link
CN (1) CN117780693A (en)

Similar Documents

Publication Publication Date Title
EP1653075B1 (en) Automatic water drain for suction fuel water separators
JPS614857A (en) Pump valve for liquid separator
US5876599A (en) Compact in-tank fuel filter and module
CN205135868U (en) Fuel filter reaches engine including it
JP4164139B2 (en) Liquid processing equipment
CN201339524Y (en) Fuel filter seat and fuel filter
CN107407239B (en) Fuel filter and fuel filter insert comprising a pre-filter element and a main filter element and comprising a water separation unit
CN211008923U (en) Fuel filter
US20040164009A1 (en) Tank mounted oil filter assembly
CN117780693A (en) Electric pump filter element and shell of integrated oil suction pipe
CN209278042U (en) A kind of novel diesel fuel filter
AU2009250988B2 (en) Water jet cleaner with removable reservoir
CN216691299U (en) Electric pump all-plastic fuel filter
CN206647196U (en) A kind of electrodynamic pump plastics fuel filter with automatic pump oil function
CN108131227B (en) Fuel filter module
CN211008928U (en) Fuel filter base and fuel filter assembly
CN212958897U (en) Remote multistage air filtering device
CN215566934U (en) Vertical pump filtering and protecting device
CN212958895U (en) Remote two-stage air filter
CN110015769B (en) Integral type filter core
CN219733541U (en) Filter element and filter for liquid filtration
CN219250023U (en) Cleaning device
CN210885555U (en) Composite filter element
CN213977180U (en) Reverse osmosis water purifier with built-in water tank
CN217080658U (en) Fuel filter assembly

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination