CN210264981U - Backup fuel tank supply system for a motor vehicle - Google Patents
Backup fuel tank supply system for a motor vehicle Download PDFInfo
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- CN210264981U CN210264981U CN201921243105.4U CN201921243105U CN210264981U CN 210264981 U CN210264981 U CN 210264981U CN 201921243105 U CN201921243105 U CN 201921243105U CN 210264981 U CN210264981 U CN 210264981U
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Abstract
The utility model discloses a reserve fuel tank feed system of motor vehicle relates to motor vehicle fuel feed system technical field, for solving prior art, the technical problem of the potential safety hazard that portable fuel tank exists, the technical scheme of the utility model as follows: the system comprises an engine, a main oil tank and a main fuel pump; the main oil tank is connected with an oil inlet of the engine through a main fuel pump; the oil tank switcher is connected with the auxiliary oil tank through the auxiliary oil fuel pump; the bellytank passes through the bellytank and is connected with the oil inlet of engine, and the oil tank switch is connected with the control end of main fuel pump and bellytank pump respectively, and the opening of oil tank switch accessible switching main fuel pump and bellytank stops to control main oil tank or bellytank to the engine fuel feeding. The utility model discloses a power supply system of main fuel pump and vice fuel pump is controlled respectively to the oil tank switch to reach the purpose of switching the oil tank, can improve the fuel reserves of motor vehicle, have important effect to the safety of guarantee motor vehicle long distance trip.
Description
Technical Field
The utility model relates to a motor vehicle fuel feeding system technical field especially relates to reserve fuel tank feeding system of motor vehicle.
Background
Motor vehicles are wheeled vehicles driven or towed by a power plant, driven on the road, and used for riding and/or transporting articles or performing special operations, and can be classified into automobiles, automobile trains, motorcycles, mopeds, tractor transport units, wheeled special machinery vehicles, and the like. The fuel is the 'grain' of the motor vehicle, and can convert the chemical energy stored in the fuel into heat energy through chemical reaction (combustion), and then the heat energy is converted into the kinetic energy of the motor vehicle through parts such as an engine and the like. The small automobile is a classification of motor vehicles and is provided with a 50-150L fuel tank according to different automobile types.
With the development of social economy, more and more families like self-driving travel, and are popular with self-driving cross-country enthusiasts particularly for cross-country places such as grasslands, deserts, unmanned areas and the like. Limited by the reserve of the vehicle fuel tanks, resulting in many self-driving off-road enthusiasts having to plan their travel areas to the distribution of gasoline stations. In order to solve the problem, in the prior art, a portable fuel barrel (with the storage amount of 5-50L) is purchased, and the portable fuel barrel is filled with fuel before traveling so as to be used during traveling, but the method has a great potential safety hazard during traveling, fuel leakage occurs in the portable fuel barrel, and the conditions of vehicle combustion and explosion are easily caused.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem of potential safety hazard existing in the prior art, the utility model has the following technical scheme:
the utility model provides a reserve fuel tank supply system of motor vehicle, including engine, main oil tank and main fuel pump; the main oil tank is connected with an oil inlet of the engine through a main fuel pump; the oil tank switcher is connected with the auxiliary oil tank through the auxiliary oil fuel pump; the auxiliary fuel tank is connected with an oil inlet of the engine through an auxiliary fuel pump, the fuel tank switcher is connected with control ends of the main fuel pump and the auxiliary fuel pump respectively, and the fuel tank switcher can switch starting and stopping of the main fuel pump and the auxiliary fuel pump to control the main fuel tank or the auxiliary fuel tank to supply fuel to the engine.
Further, the device also comprises a three-way check valve; two inlets of the three-way check valve are respectively connected with the main fuel pump and the auxiliary fuel pump, and an outlet of the three-way check valve is connected with an oil inlet of the engine.
Further, the device also comprises a filter; the filter is connected between the three-way check valve and the engine.
Further, the device also comprises an oil filling main disc; the main oil tank and the auxiliary oil tank are provided with oil inlets and air vents, the two oil inlets of the main oil tank and the auxiliary oil tank are respectively connected with the oil inlets of the main oil tank and the auxiliary oil tank, and the two air vents of the main oil tank and the auxiliary oil tank are respectively connected with the air vents of the main oil tank and the auxiliary oil tank.
Further, the device also comprises an oil gas recovery device; and oil gas outlets are formed in the tops of the main oil tank and the auxiliary oil tank, and the oil gas outlet of the main oil tank and an air inlet manifold of the engine and the oil gas outlet of the auxiliary oil tank and the air inlet manifold of the engine are respectively connected through an oil gas recovery device.
Furthermore, an electromagnetic control valve is arranged between the oil gas recovery device and an air inlet manifold of the engine.
Further, the oil gas recovery device is a carbon tank.
Further, the oil tank switcher is a gear knob switch, and the gear knob switch is connected with power supply systems of the main fuel pump and the auxiliary fuel pump respectively.
The utility model provides a reserve fuel tank feed system of motor vehicle, compare with prior art, its beneficial effect is:
the utility model provides a reserve fuel tank feed system of motor vehicle when needs switch to main fuel tank or bellytank when carrying out the fuel feeding to the engine, controls the power supply system of main fuel pump and bellytank pump respectively through the oil tank switch, can realize two oil tank fast switch-overs, and this system can improve the fuel reserves of motor vehicle, avoids using the relatively poor portable fuel barrel of security among the prior art, has the significance to the safety of guarantee motor vehicle long distance trip.
Drawings
FIG. 1 is a schematic diagram of a backup fuel tank supply system for a motor vehicle according to the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the spare fuel tank supply system of the motor vehicle of the present invention includes an engine 1, a main fuel tank 2 and a main fuel pump 3; the main oil tank 2 is connected with an oil inlet 12 of the engine 1 through a main fuel pump 3; the device also comprises a fuel tank switcher 6, an auxiliary fuel tank 4 and an auxiliary fuel pump 5; the auxiliary fuel tank 4 is connected with an oil inlet 12 of the engine 1 through an auxiliary fuel pump 5, the fuel tank switcher 6 is connected with control ends of the main fuel pump 3 and the auxiliary fuel pump 5 respectively, and the fuel tank switcher 6 can control the main fuel tank 2 or the auxiliary fuel tank 4 to supply fuel to the engine 1 by switching on and off of the main fuel pump 3 and the auxiliary fuel pump 5.
Also comprises a three-way check valve 7; two inlets of the three-way check valve 7 are respectively connected with the main fuel pump 3 and the auxiliary fuel pump 5, and an outlet of the three-way check valve 7 is connected with an oil inlet 12 of the engine 1.
Also comprises a filter 8; the filter 8 is connected between the three-way check valve 7 and the engine 1.
Also comprises an oil filling general disc 9; the main oil filling plate 9 is provided with two oil filling ports 16 and two air vents 17, the main oil tank 2 and the auxiliary oil tank 4 are provided with an oil tank oil inlet 14 and an air vent 15, the two oil filling ports 16 of the main oil tank 9 are respectively connected with the oil tank oil inlets 14 of the main oil tank 2 and the auxiliary oil tank 4, and the two air vents 17 of the main oil filling plate 9 are respectively connected with the air vent 15 of the main oil tank 2 and the auxiliary oil tank 4.
Also comprises an oil gas recovery device 10; the top parts of the main oil tank 2 and the auxiliary oil tank 4 are provided with oil gas outlets 18, and the oil gas outlets 18 of the main oil tank 2 and the air inlet manifold 13 of the engine 1 and the oil gas outlets 18 of the auxiliary oil tank 4 and the air inlet manifold 13 of the engine 1 are respectively connected through an oil gas recovery device 10. An electromagnetic control valve 11 is arranged on a connecting pipeline between the oil gas recovery device 10 and the intake manifold 13. The oil gas recovery device 10 is a carbon tank in the prior art.
Because the leakproofness of oil tank, consumption fuel can produce the negative pressure in the oil tank, and fuel produces the oil gas more easily under the negative pressure condition and is used for balanced atmospheric pressure, and partly unnecessary oil gas can get into the carbon tank, and the active carbon adsorption oil gas in the carbon tank prevents to diffuse and causes the pollution in the atmosphere. When the engine is started, the solenoid control valve 11 on the canister opens and the air in the canister is drawn into the intake manifold 13 of the engine 1 as fuel to assist combustion. The utility model discloses in, all prepare vapor recovery system 10 at main fuel tank 2 and bellytank 4 to reach the effect that reduces emission, fuel saving, keep power.
The oil tank switcher 6 is a gear knob switch, the gear knob switch is respectively connected with the power supply systems of the main fuel pump 3 and the auxiliary fuel pump 5, and the power supply systems of the main fuel pump 3 and the auxiliary fuel pump 5 are controlled through the gear knob switch, so that the purpose of switching the oil tank is achieved. Or the relay of the main fuel pump 3 and the auxiliary fuel pump 5 is controlled by the central control system of the automobile, so that the aim of switching the fuel tanks can be achieved.
The type of the motor vehicle which can be used by the system is not limited to a small-sized automobile, but also can be used for a large-sized automobile, a motorcycle and the like, the stored fuel is not limited to gasoline, and can also be used for liquid fuels such as diesel oil, alcohols and the like, the arrangement position of the auxiliary fuel tank 4 can be selected at the position of a spare tire of the motor vehicle or other reasonable positions, meanwhile, the design size of the auxiliary fuel tank 4 in the system can be flexibly changed according to the available space of the motor vehicle, and 5-200L can be realized.
The working principle of the utility model is as follows:
1. when the main oil tank 2 supplies oil to the engine 1
When the main oil tank 2 supplies fuel to the engine 1, the fuel is supplied to the fuel filter 8 through the main fuel pump 3 via the three-way check valve 7, and is supplied to the fuel engine 1 after being filtered, so that the engine 1 works, and the three-way check valve 7 plays a role in preventing the fuel from flowing back to the main oil tank 2.
2. When the auxiliary oil tank 4 supplies oil to the engine 1
When the auxiliary fuel tank 4 supplies fuel to the engine 1, the fuel is supplied to the fuel filter 8 through the auxiliary fuel pump 5 via the three-way check valve 7, and is supplied to the fuel engine 1 after being filtered, so that the engine 1 works, and the three-way check valve 7 plays a role in preventing the fuel from flowing back to the auxiliary fuel tank 4.
3. Process for switching main and auxiliary fuel tanks
When the main oil tank 2 and the auxiliary oil tank 4 need to be switched, the power supply systems of the main fuel pump 3 and the auxiliary fuel pump 5 are respectively controlled through the gear knob switches, so that the aim of switching the oil tanks is fulfilled.
4. When filling the main tank 2 with oil
When the main oil tank 2 is filled with fuel oil, the fuel oil is filled into the main oil tank 2 through the fuel oil filling port 16 and the oil tank oil inlet 14, and the filling ventilation port 15 of the main oil tank 2 plays a role in balancing the pressure in the tank body.
5. When the auxiliary fuel tank 4 is filled with fuel
When the main oil tank 2 is filled with fuel oil, the fuel oil is filled into the auxiliary oil tank 4 through the fuel oil filling port 16 and the oil tank oil inlet 14, and the oil filling ventilation port 15 of the auxiliary oil tank 4 plays a role in balancing the pressure in the tank body.
6. Oil gas utilization process of main oil tank 2
When oil gas is generated in the main oil tank 2, the oil gas enters the oil gas recovery device 10, when the pressure of the oil gas recovery device 10 is overlarge, the electromagnetic control valve 11 automatically releases redundant oil gas to the air inlet manifold 13 of the engine 1, and redundant oil gas mixed fuel oil is combusted together to work, so that the effects of relieving the pressure of the oil gas and improving the safety are achieved.
7. Oil gas utilization process of auxiliary oil tank 4
When oil gas is generated in the auxiliary oil tank 4, the oil gas enters the oil gas recovery device 10, when the pressure of the oil gas recovery device 10 is overlarge, the electromagnetic control valve 11 automatically releases redundant oil gas to the air inlet manifold 13 of the engine 1, and redundant oil gas mixed fuel oil is combusted together to work, so that the effects of relieving the pressure of the oil gas and improving the safety are achieved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A supply system for a spare fuel tank of a motor vehicle comprises an engine, a main fuel tank and a main fuel pump; the main oil tank is connected with an oil inlet of the engine through a main fuel pump; the device is characterized by also comprising an oil tank switcher, an auxiliary oil tank and an auxiliary fuel pump; the auxiliary fuel tank is connected with an oil inlet of the engine through an auxiliary fuel pump, the fuel tank switcher is connected with control ends of the main fuel pump and the auxiliary fuel pump respectively, and the fuel tank switcher can switch starting and stopping of the main fuel pump and the auxiliary fuel pump to control the main fuel tank or the auxiliary fuel tank to supply fuel to the engine.
2. The backup fuel tank supply system for a motor vehicle of claim 1 further comprising a three-way check valve; two inlets of the three-way check valve are respectively connected with the main fuel pump and the auxiliary fuel pump, and an outlet of the three-way check valve is connected with an oil inlet of the engine.
3. The backup fuel tank supply system of a motor vehicle of claim 2 further comprising a filter; the filter is connected between the three-way check valve and the engine.
4. The alternate fuel tank feed system of claim 1 further comprising a refueling head disc; the main oil tank and the auxiliary oil tank are provided with oil inlets and air vents, the two oil inlets of the main oil tank and the auxiliary oil tank are respectively connected with the oil inlets of the main oil tank and the auxiliary oil tank, and the two air vents of the main oil tank and the auxiliary oil tank are respectively connected with the air vents of the main oil tank and the auxiliary oil tank.
5. The backup fuel tank supply system of a motor vehicle of claim 1 further comprising an oil vapor recovery device; and oil gas outlets are formed in the tops of the main oil tank and the auxiliary oil tank, and the oil gas outlet of the main oil tank and an air inlet manifold of the engine and the oil gas outlet of the auxiliary oil tank and the air inlet manifold of the engine are respectively connected through an oil gas recovery device.
6. The backup fuel tank supply system of a motor vehicle of claim 5, further providing a solenoid operated valve between said vapor recovery device and an intake manifold of the engine.
7. The backup fuel tank supply system of claim 6, wherein said vapor recovery device is a carbon canister.
8. The backup fuel tank supply system for a motor vehicle of claim 1 wherein said tank switch is a range knob switch connected to the power supply system of the primary fuel pump and the secondary fuel pump, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243105.4U CN210264981U (en) | 2019-08-02 | 2019-08-02 | Backup fuel tank supply system for a motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243105.4U CN210264981U (en) | 2019-08-02 | 2019-08-02 | Backup fuel tank supply system for a motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210264981U true CN210264981U (en) | 2020-04-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243105.4U Active CN210264981U (en) | 2019-08-02 | 2019-08-02 | Backup fuel tank supply system for a motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210264981U (en) |
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2019
- 2019-08-02 CN CN201921243105.4U patent/CN210264981U/en active Active
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