CN201627662U - Fuel oil supplying device and automobile - Google Patents
Fuel oil supplying device and automobile Download PDFInfo
- Publication number
- CN201627662U CN201627662U CN2010201070719U CN201020107071U CN201627662U CN 201627662 U CN201627662 U CN 201627662U CN 2010201070719 U CN2010201070719 U CN 2010201070719U CN 201020107071 U CN201020107071 U CN 201020107071U CN 201627662 U CN201627662 U CN 201627662U
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- China
- Prior art keywords
- fuel
- oil pump
- feed device
- quantity transducer
- oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a fuel oil supplying device and an automobile. The fuel oil supplying device comprises an oil pump, an overflow valve, an oil volume sensor with a magnetic insolating structure and a mounting bottom plate, wherein the overflow valve is arranged on an oil return pipeline connected with the oil pump, and the oil volume sensor and the oil pump are both arranged on the mounting bottom plate. The oil volume sensor of the fuel oil supplying device is long in service life and accurate in oil quantity indication, and can be arranged in combination with components such as the oil pump, the overflow valve and the like to simplify the mounting process of the oil supplying device.
Description
Technical field
The utility model relates to technical field of vehicle manufacture, refers in particular to a kind of fuel feed device and automobile.
Background technique
In the oil supply system of existing vehicle manufacturing technology, what fuel-quantity transducer adopted is the swept resistance formula, its working principle is to utilize a thin resistance wire to be wrapped in side by side to form a resistance on the insulation board, the spring contact that moves up and down with float slides on this resistance wire, constitute slide resistor, the resistance value of slide resistor changes along with the height of pasta, and oil gauge is then indicated oil mass in the fuel tank according to this resistance value.
Yet there is following shortcoming in existing swept resistance formula fuel-quantity transducer:
1) life-span is short
Electric parts such as resistance wire, sliding contact contact with oil product during the work of swept resistance formula fuel-quantity transducer, can be subjected to chemical corrosion, and oil body is the surge formula after the vehicle take-offs, sliding contact ceaselessly rubs on resistance wire, the resistance wire of diameter 0.05mm is unable to undergo long-time friction, and therefore the life-span of this kind structure fuel-quantity transducer is shorter usually.
2) big, the low precision of external environment influence
Float is cranked arm very long, is jolted, climb and fall, the very big of road surface influence, and a large amount of mistake image data can appear in swept resistance formula fuel-quantity transducer.In addition, in use, also have rocking arm clamping stagnation, poor contact of contacts etc. and cause inaccurate etc. the problem of oil mass indication.
3) Oiltank structure complexity, the fault point is many
Because the slide wire resistor that swept resistance formula fuel-quantity transducer is adopted is a swing-arm type, it is big to take up room, the oil pump that is installed in the fuel tank must maintain a certain distance with it, therefore the installation of oil pump in fuel tank must design an opening in addition, and be arranged on oil pump and relief valve parts in the fuel tank, also must independently make with respect to fuel-quantity transducer, therefore the installation and the assembling process operation of whole fuel tank are more, cause time waste, and mounting hole is intensive on the fuel tank, the manufacturing process complexity of fuel tank has increased the fault point of assembly, has stayed hidden danger to quality of product.
The model utility content
The purpose of technical solutions of the utility model provides a kind of fuel feed device and automobile, the fuel-quantity transducer long service life of this fuel feed device, oil mass indication are accurately, and this fuel-quantity transducer can combine setting with parts such as oil pump and relief valves, simplifies the installation procedure of oil supplying device.
For achieving the above object, the utility model provides a kind of fuel feed device on the one hand, and described fuel feed device comprises:
Oil pump;
Relief valve, described relief valve are arranged on the return line that is connected with described oil pump;
The fuel-quantity transducer of magnetic isolation structure;
Base plate is installed, and described fuel-quantity transducer and described oil pump all are arranged on the described installation base plate.
Preferably, above-mentioned described fuel feed device, described fuel-quantity transducer comprises:
Sounding pipe;
With the floating element of the upper and lower unsteady magnetic of oil mass liquid level, the floating element housing of described magnetic is located on the described sounding pipe;
Be used to respond to the sensor circuit of described oil mass liquid level;
Be used for induction result, the testing circuit of liquid level height in the described sounding pipe of check and analysis according to described sensor circuit.
Preferably, above-mentioned described fuel feed device, described fuel feed device also comprises a mounting flange, the oil feed line of described fuel-quantity transducer, described oil pump all is connected with described mounting flange with described return line.
Preferably, above-mentioned described fuel feed device, described fuel feed device also comprises a fuel tank, is arranged in the described fuel tank in conjunction with the described oil pump that links together, described relief valve, described fuel-quantity transducer and described installation base plate.
The utility model provides a kind of automobile on the other hand, comprises vehicle body support body, wheel, motor and fuel feed device, and described fuel feed device comprises:
Oil pump;
Relief valve, described relief valve are arranged on the return line that is connected with described oil pump;
The fuel-quantity transducer of magnetic isolation structure;
Base plate is installed, and described fuel-quantity transducer and described oil pump all are arranged on the described installation base plate.
Preferably, above-mentioned described automobile, described fuel-quantity transducer comprises:
Sounding pipe;
With the floating element of the upper and lower unsteady magnetic of oil mass liquid level, the floating element housing of described magnetic is located on the described sounding pipe;
Be used to respond to the sensor circuit of described oil mass liquid level;
Be used for induction result, the testing circuit of liquid level height in the described sounding pipe of check and analysis according to described sensor circuit.
Preferably, above-mentioned described automobile, described fuel feed device also comprises a mounting flange, the oil feed line of described fuel-quantity transducer, described oil pump all is connected with described mounting flange with described return line.
Preferably, above-mentioned described automobile, described fuel feed device also comprises a fuel tank, is arranged in the described fuel tank in conjunction with the described oil pump that links together, described relief valve, described fuel-quantity transducer and described installation base plate.
Described fuel feed device of the utility model specific embodiment and automobile, at least one in the technique scheme has following beneficial effect:
Magnetic is isolated fuel-quantity transducer and is had measuring accuracy height, corrosion-resistant, long service life, do not play outstanding advantages such as electrical spark, Security is good, shock resistance is strong;
Magnetic isolation fuel-quantity transducer has reduced sensor significantly and has taken up room, and can easily oil pump, relief valve and fuel-quantity transducer be integrated;
The said apparatus that integrates is simple in structure, compact, and it is convenient to assemble, and has reduced the mounting hole on the fuel tank, has simplified the manufacturing process of fuel tank.
Description of drawings
Fig. 1 is the part-structure schematic representation of the described fuel feed device of the utility model specific embodiment.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in detail.
In the fuel feed device of the utility model specific embodiment, described fuel-quantity transducer adopts magnetic isolation structure form, the swept resistance formula that has replaced prior art makes fuel-quantity transducer to combine setting with parts such as oil pump, relief valves, and integral installation is in fuel tank.
Fig. 1 is the part-structure schematic representation of the described fuel feed device of the utility model specific embodiment.Consult Fig. 1, in this fuel feed device, oil pump, relief valve and fuel-quantity transducer are assembled into an assembly device.
Particularly, this assembly device includes:
Oil pump 6, this oil pump 6 are arranged at one and install on the base plate 8, and oil pump 6 is connected with an oil purifier 7, enter the gasoline of oil pump 6 by oil purifier 7 filtrations;
Relief valve 5, this relief valve 5 is arranged on the return line that is connected with this oil pump 6.
In addition, oil feed line that is connected with described oil pump 6 and return line are connected on the fuel tank outer fuel supply line 2 and return tube 3 by mounting flange 1 respectively.
Described fuel-quantity transducer is arranged at the left part of assembly device, comprises as Fig. 1:
Sounding pipe 9 is generally Stainless Steel Tube, and an end of this sounding pipe 9 is connected with installation base plate 8, and the other end is connected with mounting flange 1;
Magnetic floats element 10, is generally a magnetic keg float, is sheathed on the sounding pipe 9, can be with liquid level in the fuel tank along sounding pipe 9 upper and lower floating;
Sensor circuit comprises a plurality of reed pipes, and the break-make of resistance contact point is converted into output signal with measured variation in the changes of magnetic field control reed pipe during by level change;
Testing circuit is used for the induction output signal according to sensor circuit, check and analysis oil mass liquid level height.
The described fuel feed device of the utility model specific embodiment, adopt the fuel-quantity transducer of magnetic isolation structure, measuring electronic component encapsulation is in sounding pipe 9 inside, do not contact with oil product, have measuring accuracy height, corrosion-resistant, long service life, do not play outstanding advantages such as electrical spark, Security is good, shock resistance is strong, being particularly suitable for using in fuel oil, is the best substitute of conventional oil level sensor.
In addition, the fuel-quantity transducer of magnetic isolation structure also has the minimum advantage that takes up room, and therefore can integrate with oil pump 6 and relief valve 5 easily, makes this part-structure compactness of fuel feed device, and it is convenient to assemble and change.
The above-mentioned assembly device one that integrates is positioned in the fuel tank, is installed on the fuel tank by mounting flange 1, and utilizes sealing gasket 4 to seal.When fuel feeding, oil pump 6 starts, fuel oil enters oil pump 6 after filtering by oil purifier 7, export fuel dispensing tube and oil sprayer to from the oil feed line of this assembly device, be arranged at relief valve 5 pressure by the return tube control system on this assembly device, relief valve 5 starts earial drainage after system pressure surpasses setting pressure, makes system keep normal operating pressure.
It will be understood by those skilled in the art that the fuel feed device of vehicle technology,, also comprise the pipeline road that fuel tank is outer, be not described in detail in this particularly except that comprising above-mentioned fuel tank and being arranged at this interior assembly device of fuel tank.
The utility model specific embodiment also provides a kind of automobile on the other hand, comprise vehicle body support body, wheel, motor and fuel feed device, wherein the fuel-quantity transducer of this fuel feed device adopts magnetic isolation structure form, the swept resistance formula that has replaced prior art, make fuel-quantity transducer to combine setting with parts such as oil pump, relief valves, integral installation is in fuel tank.
As Fig. 1, in this fuel feed device, oil pump, relief valve and fuel-quantity transducer are assembled into an assembly device.Particularly, this assembly device includes:
Oil pump 6, this oil pump 6 are arranged at one and install on the base plate 8, and oil pump 6 is connected with an oil purifier 7, enter the gasoline of oil pump 6 by oil purifier 7 filtrations;
Relief valve 5, this relief valve 5 is arranged on the return line that is connected with this oil pump 6.
In addition, oil feed line that is connected with described oil pump 6 and return line are connected on the fuel tank outer fuel supply line 2 and return tube 3 by mounting flange 1 respectively.
Described fuel-quantity transducer comprises:
Sounding pipe 9 is generally Stainless Steel Tube, and an end of this sounding pipe 9 is connected with installation base plate 8, and the other end is connected with mounting flange 1;
Magnetic floats element 10, is generally a magnetic keg float, is sheathed on the sounding pipe 9, can be with liquid level in the fuel tank along sounding pipe 9 upper and lower floating;
Sensor circuit comprises a plurality of reed pipes, and the break-make of resistance contact point is converted into output signal with measured variation in the changes of magnetic field control reed pipe during by level change;
Testing circuit is used for the induction output signal according to sensor circuit, check and analysis oil mass liquid level height.
In addition, described fuel feed device also comprises a fuel tank, is arranged in the described fuel tank in conjunction with the described oil pump 6 that links together, described relief valve 5, described fuel-quantity transducer and described installation base plate 8.
The described fuel feed device of the utility model specific embodiment adopts the common swept resistance formula fuel-quantity transducer of magnetic isolation fuel-quantity transducer replacement to have following advantage:
Magnetic is isolated fuel-quantity transducer and is had measuring accuracy height, corrosion-resistant, long service life, do not play outstanding advantages such as electrical spark, Security is good, shock resistance is strong;
Magnetic isolation fuel-quantity transducer has reduced sensor significantly and has taken up room, and can easily oil pump, relief valve and fuel-quantity transducer be integrated;
The said apparatus that integrates is simple in structure, compact, and it is convenient to assemble, and has reduced the mounting hole on the fuel tank, has simplified the manufacturing process of fuel tank.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a fuel feed device is characterized in that, described fuel feed device comprises:
Oil pump;
Relief valve, described relief valve are arranged on the return line that is connected with described oil pump;
The fuel-quantity transducer of magnetic isolation structure;
Base plate is installed, and described fuel-quantity transducer and described oil pump all are arranged on the described installation base plate.
2. fuel feed device as claimed in claim 1 is characterized in that, described fuel-quantity transducer comprises:
Sounding pipe;
With the floating element of the upper and lower unsteady magnetic of oil mass liquid level, the floating element housing of described magnetic is located on the described sounding pipe;
Be used to respond to the sensor circuit of described oil mass liquid level;
Be used for induction result, the testing circuit of liquid level height in the described sounding pipe of check and analysis according to described sensor circuit.
3. fuel feed device as claimed in claim 1 or 2 is characterized in that, described fuel feed device also comprises a mounting flange, and the oil feed line of described fuel-quantity transducer, described oil pump all is connected with described mounting flange with described return line.
4. fuel feed device as claimed in claim 3 is characterized in that, described fuel feed device also comprises a fuel tank, is arranged in the described fuel tank in conjunction with the described oil pump that links together, described relief valve, described fuel-quantity transducer and described installation base plate.
5. an automobile comprises vehicle body support body, wheel, motor and fuel feed device, it is characterized in that, described fuel feed device comprises:
Oil pump;
Relief valve, described relief valve are arranged on the return line that is connected with described oil pump;
The fuel-quantity transducer of magnetic isolation structure;
Base plate is installed, and described fuel-quantity transducer and described oil pump all are arranged on the described installation base plate.
6. automobile as claimed in claim 5 is characterized in that, described fuel-quantity transducer comprises:
Sounding pipe;
With the floating element of the upper and lower unsteady magnetic of oil mass liquid level, the floating element housing of described magnetic is located on the described sounding pipe;
Be used to respond to the sensor circuit of described oil mass liquid level;
Be used for induction result, the testing circuit of liquid level height in the described sounding pipe of check and analysis according to described sensor circuit.
7. as claim 5 or 6 described automobiles, it is characterized in that described fuel feed device also comprises a mounting flange, the oil feed line of described fuel-quantity transducer, described oil pump all is connected with described mounting flange with described return line.
8. automobile as claimed in claim 7 is characterized in that, described fuel feed device also comprises a fuel tank, is arranged in the described fuel tank in conjunction with the described oil pump that links together, described relief valve, described fuel-quantity transducer and described installation base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201070719U CN201627662U (en) | 2010-02-01 | 2010-02-01 | Fuel oil supplying device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201070719U CN201627662U (en) | 2010-02-01 | 2010-02-01 | Fuel oil supplying device and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201627662U true CN201627662U (en) | 2010-11-10 |
Family
ID=43059058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201070719U Expired - Lifetime CN201627662U (en) | 2010-02-01 | 2010-02-01 | Fuel oil supplying device and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201627662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318015A (en) * | 2013-06-08 | 2013-09-25 | 杭叉集团股份有限公司 | Fuel tank for forklift |
-
2010
- 2010-02-01 CN CN2010201070719U patent/CN201627662U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318015A (en) * | 2013-06-08 | 2013-09-25 | 杭叉集团股份有限公司 | Fuel tank for forklift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 101300 99 Shuanghe street, Renhe Town, Shunyi District, Beijing Patentee after: Beijing Automobile Research General Institute Co., Ltd. Address before: 100021 Peng Long building, 10 Huawei Li, Chaoyang District, Beijing Patentee before: Beijing Automobile Research General Institute Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101110 |
|
| CX01 | Expiry of patent term |