CN211343186U - Self-cleaning maintenance-free fuel filter structure - Google Patents
Self-cleaning maintenance-free fuel filter structure Download PDFInfo
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- CN211343186U CN211343186U CN201921761393.2U CN201921761393U CN211343186U CN 211343186 U CN211343186 U CN 211343186U CN 201921761393 U CN201921761393 U CN 201921761393U CN 211343186 U CN211343186 U CN 211343186U
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Abstract
The utility model discloses a self-cleaning maintenance-free fuel filter structure, which comprises a filter main body, wherein a ceramic polymer filter element is arranged in the filter main body, the bottom of the filter main body is also connected with a fuel return cavity shell, a rotary cleaning impeller is arranged in the fuel return cavity shell, and the fuel return cavity is communicated with the filter main body; the oil inlet sets up on the upper portion of filter main part, and the engine fuel feeding mouth sets up in the lower part of filter main part, and the oil inlet passes through an oil pipe connection fuel pump, and the fuel pump inserts the oil tank. The utility model discloses an install an oil return chamber additional for the filter to set up rotatable impeller in returning the oil chamber, by the fuel pump with in with producing certain pressure in the fuel suction filter, the fuel-fired pressure of rethread promotes the impeller rotatory, and it is rotatory to drive the fuel in the filter through the impeller rotation, reaches as long as the filter is in the effect that the fuel will wash ceramic filter core ceaselessly at the during operation, so realize burning oil filter's automatically cleaning promptly.
Description
Technical Field
The utility model relates to a generator accessory technical field, concretely relates to fire oil filter for among generating set.
Background
The fuel filter is positioned in a fuel supply system of the engine, filters moisture and solid impurities such as iron oxide, dust, colloid and the like in the fuel, and provides clean fuel without water and impurities for the engine so as to protect precise parts such as an injection valve, a cold start valve and the like in an engine fuel injection system. When the fuel oil filtering system breaks down, serious faults such as the shutdown of the generator and the like can be directly caused, and the operation economy and the service life of the generator set are directly influenced. In addition, the traditional fuel filter usually only filters through ordinary filter paper, namely fuel gets into from the entry, exports from the export after the filter core filters, and the filter core can become invalid after filling up impurity, therefore life is generally only about 500 hours. Frequent maintenance or replacement of the filter element is required to avoid clogging and ingress of contaminants into the engine oil supply system.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a realize that simple structure, design are more reasonable, filter core long service life, can automatically cleaning and non-maintaining fire oil filter structure.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an automatically cleaning non-maintaining fires oil filter structure fires oil filter is provided with ceramic polymer filter core including the filter main part in the filter main part, fires oil filter's engine oil feed mouth and passes through oil pipe and be connected with the engine, fires oil filter's oil inlet and passes through oil pipe connection oil tank, its characterized in that: the bottom of the filter main body is also connected with an oil return cavity shell, a rotary cleaning impeller is arranged in the oil return cavity shell, and the oil return cavity is communicated with the filter main body; the oil inlet of the fuel filter is arranged on the upper portion of the filter body and is in butt joint with the oil inlet end of the ceramic polymer filter element, the engine oil supply port is arranged on the lower portion of the filter body and is in butt joint with the oil outlet end of the ceramic polymer filter element, an oil pipe connected out from the oil inlet is connected with a fuel pump, and the fuel pump is connected into the fuel tank through another oil pipe.
Furthermore, the inside of the oil return cavity shell is communicated with a gap between the filter main body and the ceramic polymer filter element, an oil return port is arranged at the bottom of the oil return cavity, and the oil return port is connected into an oil tank through an oil pipe to form an oil return structure of the fuel filter.
Further, the oil inlet is provided at the top of the filter body, and the engine oil feed port is provided at the bottom of the filter body, and the engine oil feed port is tapped from the side of the filter body.
Further, an openable inspection and maintenance cover is arranged at the top of the filter main body so as to be opened for maintenance when the filter breaks down, and the oil inlet is arranged on the inspection and maintenance cover.
Furthermore, the center of the inspection maintenance cover is provided with the easy-to-detach bolt of the inspection cover, which is convenient to open, and the inspection maintenance cover can be opened only by rotating the easy-to-detach bolt of the inspection cover by hand.
Furthermore, the oil return cavity shell is locked with the filter main body through a plurality of screws, and a sealing ring is arranged between the oil return cavity shell and the filter main body to form a sealing structure, so that oil return cannot leak.
Furthermore, a ring-shaped fixed support frame is sleeved on the filter main body, and a mounting and fixing structure of the fuel filter is formed through the fixed support frame, so that the whole fuel filter can be conveniently mounted.
The method comprises the steps of providing a certain fuel pressure (such as 0.2-0.3 Mpa) to a filter through an electric fuel pump, filtering the fuel through a ceramic polymer filter element to obtain clean fuel, and outputting the clean fuel through an engine oil supply opening and an oil pipe to supply the clean fuel to an engine.
Meanwhile, the fuel entering the filter pushes the rotary cleaning impeller under the pressure action of the fuel pump, so that the fuel continuously rotates and circulates on the outer surface of the ceramic filter element, and the effect of continuously washing and cleaning the ceramic polymer filter element is achieved. Impurities generated by flushing can flow back into the base oil tank through the oil return cavity together with return oil. The filter continuously and circularly works, the ceramic polymer filter element is automatically cleaned, clean fuel oil is continuously generated and supplied to an engine for use, and impurities are automatically discharged out of the filter, so that the aim of self-cleaning and maintenance-free is fulfilled.
The performance parameters of the fuel filter are as follows: the fuel flow is 30 ~ 50L/MIN, and the filter fineness is 2, 5, 10, 15, 20 mu m (can select the filter fineness according to the system requirement), and operating pressure: 0.2-0.3 Mpa, filtration efficiency: (≧ 4 μm, 98%), power supply: 220v/DC24v/DC12v, applicable to oil products: diesel oil, light fuel oil, aviation kerosene, gasoline and the like, and the service life is as follows: not less than 1000 hours.
The utility model discloses an install an oil return chamber additional for the filter, and set up rotatable impeller in returning the oil chamber, and set up in order to produce certain pressure in the fuel pump will burn the oil suction filter, it is rotatory that rethread fuel's pressure promotes the impeller, it is rotatory to drive the fuel in the filter through the impeller rotation, reach as long as the filter is in the effect that the during operation fuel will wash ceramic filter core ceaselessly, so realize burning oil filter's automatically cleaning promptly, thereby reach extension filter life, practice thrift the fuel, reduce and discharge and reduce environmental pollution, the purpose of the maintenance cost and the cost of labor of saving the unit.
Drawings
FIG. 1 is a schematic diagram of a fuel filter according to the present invention;
fig. 2 is a schematic view of the structure of the present invention.
In the figure, 1 is an easy-to-detach bolt of an inspection cover, 2 is an inspection maintenance cover, 3 is a fixed support frame, 4 is an engine oil supply port, 5 is an oil return port, 6 is an oil return cavity shell, 7 is a filter main body, 8 is an oil inlet, 9 is an oil tank, 10 is an engine, 11 is a rotary cleaning impeller, 12 is a ceramic polymer filter element, 13 is a fuel pump, and 14 is an oil pipe.
Detailed Description
In this embodiment, referring to fig. 1 and fig. 2, in the self-cleaning maintenance-free fuel filter structure, the fuel filter includes a filter main body 7, a ceramic polymer filter element 12 is disposed in the filter main body 7, an engine oil supply port 4 of the fuel filter is connected to an engine 10 through an oil pipe 14, and an oil inlet 8 of the fuel filter is connected to an oil tank 9 through an oil pipe; an oil return cavity shell 6 is also connected to the bottom of the filter main body 7, a rotary cleaning impeller 11 is arranged in the oil return cavity shell 6, and the oil return cavity is communicated with the filter main body 7; an oil inlet 8 of the fuel filter is arranged on the upper portion of the filter main body 7 and is in butt joint with an oil inlet end of the ceramic polymer filter element 12, an engine oil supply port 4 is arranged on the lower portion of the filter main body 7 and is in butt joint with an oil outlet end of the ceramic polymer filter element 12, an oil pipe connected out from the oil inlet 8 is connected with a fuel pump 13, and the fuel pump 13 is connected into the oil tank 9 through another oil pipe.
An oil return port 5 is arranged at the bottom of the oil return cavity, and the oil return port 5 is connected into an oil tank 9 through an oil pipe to form an oil return structure of the fuel filter.
The oil inlet 8 is provided at the top of the filter body 7, the engine oil supply port 4 is provided at the bottom of the filter body 7, and the engine oil supply port 4 is connected from the side of the filter body 7, so that impurities are not easily flowed out from the engine oil supply port 4 (an oil return cavity is more easily performed downward due to the impurities).
An openable inspection and maintenance cover 1 is provided at the top of the filter body 7 so that the inspection and maintenance cover 1 is opened for maintenance when a filter malfunction occurs, and an oil inlet 8 is provided in the inspection and maintenance cover 1.
An inspection cover easy-to-detach bolt 2 convenient for opening the inspection maintenance cover is arranged at the center of the inspection maintenance cover 1, and the inspection maintenance cover 1 can be opened only by rotating the inspection cover easy-to-detach bolt 2 with a hand.
The oil return cavity shell 6 is locked with the filter main body 7 through a plurality of screws, and a sealing ring is arranged between the oil return cavity shell 6 and the filter main body 7 to form a sealing structure, so that oil return cannot leak.
The filter body 7 is sleeved with a ring-shaped fixed support frame 3, and a mounting and fixing structure of the fuel filter is formed by the fixed support frame 3 so as to conveniently mount the whole fuel filter.
An electric fuel pump 13 is used for providing a certain fuel pressure (such as 0.2-0.3 Mpa) to the filter, so that the fuel is filtered by the ceramic polymer filter element 12 to obtain clean fuel, and then the clean fuel is output through the engine oil supply port 4 and the oil pipe 14 and is supplied to the engine 10 for use.
Meanwhile, the fuel entering the filter pushes the rotary cleaning impeller 11 under the pressure action of the fuel pump 13, so that the fuel continuously rotates and circulates on the outer surface of the ceramic filter element, and the effect of continuously washing and cleaning the ceramic polymer filter element 12 is achieved. The impurities generated by the flushing will flow back into the base oil tank 9 through the oil return chamber together with the return oil. The filter continuously and circularly works, the ceramic polymer filter element 12 is automatically cleaned, clean fuel oil is continuously generated and supplied to the engine 10 for use, and impurities are automatically discharged out of the filter, so that the purposes of self cleaning and maintenance free are achieved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (6)
1. The utility model provides an automatically cleaning non-maintaining fires oil filter structure fires oil filter is provided with ceramic polymer filter core including the filter main part in the filter main part, fires oil filter's engine oil feed mouth and passes through oil pipe and be connected with the engine, fires oil filter's oil inlet and passes through oil pipe connection oil tank, its characterized in that: the bottom of the filter main body is also connected with an oil return cavity shell, a rotary cleaning impeller is arranged in the oil return cavity shell, and the oil return cavity is communicated with the filter main body; an oil inlet of the fuel filter is arranged at the upper part of the filter main body and is butted with an oil inlet end of the ceramic polymer filter element, an engine oil supply port is arranged at the lower part of the filter main body and is butted with an oil outlet end of the ceramic polymer filter element, an oil pipe connected from the oil inlet is connected with a fuel pump, and the fuel pump is connected into an oil tank through another oil pipe;
the inside of the oil return cavity shell is communicated with a gap between the filter main body and the ceramic polymer filter element, an oil return port is arranged at the bottom of the oil return cavity, and the oil return port is connected into an oil tank through an oil pipe to form an oil return structure of the fuel filter.
2. The self-cleaning maintenance-free fuel filter structure of claim 1 wherein: the oil inlet is arranged at the top of the filter body, the engine oil supply opening is arranged at the bottom of the filter body, and the engine oil supply opening is connected out from the side face of the filter body.
3. The self-cleaning maintenance-free fuel filter structure of claim 1 wherein: an openable inspection and maintenance cover is arranged at the top of the filter main body, and the oil inlet is arranged on the inspection and maintenance cover.
4. The self-cleaning maintenance-free fuel filter structure of claim 3 wherein: the center of the inspection maintenance cover is provided with an easy-to-detach bolt of the inspection cover, which is convenient to open.
5. The self-cleaning maintenance-free fuel filter structure of claim 1 wherein: the oil return cavity shell is locked with the filter main body through a plurality of screws, and a sealing ring is arranged between the oil return cavity shell and the filter main body to form a sealing structure.
6. The self-cleaning maintenance-free fuel filter structure of claim 1 wherein: the filter body is sleeved with a ring-shaped fixed support frame, and a mounting and fixing structure of the fuel filter is formed by the fixed support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921761393.2U CN211343186U (en) | 2019-10-18 | 2019-10-18 | Self-cleaning maintenance-free fuel filter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921761393.2U CN211343186U (en) | 2019-10-18 | 2019-10-18 | Self-cleaning maintenance-free fuel filter structure |
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| Publication Number | Publication Date |
|---|---|
| CN211343186U true CN211343186U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921761393.2U Active CN211343186U (en) | 2019-10-18 | 2019-10-18 | Self-cleaning maintenance-free fuel filter structure |
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| CN (1) | CN211343186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342015A (en) * | 2022-08-02 | 2022-11-15 | 常州市合达油泵有限公司 | Combined fuel pump |
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2019
- 2019-10-18 CN CN201921761393.2U patent/CN211343186U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342015A (en) * | 2022-08-02 | 2022-11-15 | 常州市合达油泵有限公司 | Combined fuel pump |
| CN115342015B (en) * | 2022-08-02 | 2024-05-17 | 常州市合达油泵有限公司 | Combined fuel pump |
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