CN108518292A - One kind having cleaning dirt eliminating function fuel tank - Google Patents

Abstract

The present invention relates to one kind having cleaning dirt eliminating function fuel tank, including fuel tank body, fuel tank cap, fuel feeding interface and oil return interface, fuel tank cap and oil return interface are arranged at the top of fuel tank body, and fuel feeding interface is arranged in the lower part of fuel tank body；The fuel tank body bottom uses conical design, blowdown interface to be arranged in the lowest point of conical lower portion；Cleaning interface is equipped at the top of the fuel tank body, cleaning interface is connected to micro porous spray tube, and micro porous spray tube is arranged inside fuel tank body, micro porous spray tube（Tube wall on micropore is set.It may be implemented to carry out cleaning and blowdown to fuel tank internal in the case of fuel tank without disassembling; ensure the cleanliness factor of fuel oil; have many advantages, such as overvoltage protection, blowdown, fuel filter, prevent oil return line air from scurrying into, automatic filling etc., has that clean operation is easy, blowdown is thorough, corrosion resistance is strong.

Description

A fuel tank with cleaning and sewage discharge function

technical field

The invention relates to the field of engine oil supply systems, in particular to an oil tank with cleaning and sewage discharge functions.

Background technique

At present, there are few domestic studies on the automatic cleaning function of the fuel tank of the engine fuel supply system. The cleaning measures for the fuel tank are mostly disassembled and then cleaned, and then the fuel tank is assembled. This method is cumbersome to operate. Fuel tanks that are difficult to disassemble are not suitable, and the cleaning effect with simple tools is not ideal. Generally, the engine oil return interface of the fuel tank is directly connected to the fuel tank. When the engine is shut down for a long time, the air in the fuel tank will escape into the engine through the oil return line, causing the engine to fail to start and affecting the engine's starting performance. With the increase of working time, the impurities in the fuel tank will continue to accumulate. If they flow into the engine, it will have a great impact on the engine accessories and itself, reducing the reliability of the equipment.

Contents of the invention

Aiming at the problems existing in the prior art, the invention proposes an oil tank with cleaning and sewage discharge function, which solves the problem of difficult cleaning of the oil tank in the prior art.

Technical scheme of the present invention is as follows:

An oil tank with a cleaning and sewage discharge function, comprising an oil tank body, an oil tank cover, an oil supply interface and an oil return interface, the oil tank cover and the oil return interface are arranged on the top of the oil tank body, and the oil supply interface is arranged at the lower part of the oil tank body; said oil tank The bottom of the body adopts a conical design, and the sewage discharge port is set at the lowest point of the conical bottom; the top of the fuel tank is provided with a cleaning port, which is connected with the micro-hole nozzle, which is arranged inside the oil tank body, and the micro-hole Microholes are set on the wall of the nozzle.

The sewage discharge interface is connected with a sewage discharge hand valve through a right-angle elbow.

The end of the micro-hole nozzle adopts a hemispherical design, the micro-holes are evenly spaced on the wall of the micro-hole nozzle, and the cleaning interface is sealed by sealing bolts.

The oil return interface is connected to one end of the oil return conduit, and the other end of the oil return conduit is inserted under the fuel liquid level in the fuel tank.

The top of the oil tank body is provided with a safety valve.

The fuel tank is provided with a liquid level sensor, the sensing end of the liquid level sensor extends into the bottom of the fuel tank, and the display end of the liquid level sensor is set on the top of the fuel tank.

The top of the fuel tank body is provided with an automatic filling interface, and the automatic filling interface is connected with an automatic filling conduit, and the automatic filling conduit extends into the interior of the fuel tank body.

The port of the oil supply interface is welded with a filter screen, and the distance from the axis of the oil supply interface to the bottom of the fuel tank is 1.5 times the aperture of the oil supply interface.

The fuel tank cover is connected with a filter cup, and a boss is provided between the fuel tank cover and the fuel tank body.

Two mounting brackets are welded on both sides of the bottom of the fuel tank body, and 4 sets of reinforcing ribs are welded between the mounting bracket and the fuel tank body.

The effect that the present invention obtains with respect to prior art is:

1. The inner wall of the fuel tank can be cleaned without dismantling the fuel tank, which is easy to operate and is suitable for integrated fuel tanks.

2. The cleaning medium can be either detergent or normally supplied fuel, and the cleaning effect can also be achieved through high-pressure fuel injection without introducing other media, and there is no need for subsequent cleaning of detergent.

3. A safety valve is set, the opening pressure is adjustable, and overpressure protection can be realized during the cleaning process.

4. The conduit of the engine oil return interface extends below the fuel level, which can effectively prevent air from entering the engine and improve engine starting performance.

5. The bottom of the oil tank body adopts a conical design, which facilitates the concentration of impurities to the lowest point, and the impurities can be discharged out of the oil tank through the sewage discharge hand valve.

6. A filter is installed at the end of the oil supply interface to further improve the filtering effect.

Description of drawings

Fig. 1 is a main sectional view of the present invention;

Fig. 2 is a top view of the present invention;

Fig. 3 is a side view of the present invention;

Fig. 4 is a bottom view of the present invention;

Among them, 1-oil tank body, 2-liquid level sensor, 3-bolt, 4-gasket, 5-safety valve, 6-sealing bolt, 7-cleaning interface, 8-micro-hole nozzle, 9-fuel tank cover, 10 -boss, 11-filter cup, 12-automatic filling conduit, 13-oil return conduit, 14-drainage interface, 15-right angle elbow, 16-drainage hand valve, 17-cone bottom shell, 18-reinforcing rib , 19-mounting frame, 20-oil supply interface, 21-oil return interface, 22-automatic filling interface.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

Example 1:

An oil tank with cleaning and sewage discharge function, comprising an oil tank body 1, an oil tank cover 9, an oil supply interface 20 and an oil return interface 21, the oil tank cover 9 and the oil return interface 21 are arranged on the top of the oil tank body 1, and the oil supply interface 20 is arranged on the oil tank The lower part of the body; the fuel tank cover 9 is connected with a filter cup 11, and a boss 10 is provided between the fuel tank cover and the fuel tank body, and the boss raises the height of the manual fuel filler; the bottom of the fuel tank body adopts a tapered design, and the sewage outlet interface 14 is arranged at the lowest point of the conical bottom; the top of the fuel tank body is provided with a cleaning interface 7, which communicates with the microporous nozzle 8, and the microporous nozzle is arranged inside the fuel tank body, and the pipe wall of the microporous nozzle 8 Set up microwells.

The bottom of the oil tank body provided in this embodiment adopts a tapered tetrahedron design. Due to the slope of the tetrahedron, impurities can be concentrated to the lowest sewage discharge interface 14 under the action of gravity. The sewage discharge interface is equipped with a right-angle elbow 15 and a sewage discharge hand valve 16. Impurities in the oil tank can be discharged by opening the sewage hand valve. There is a liquid level sensor 2 on the fuel tank, and the liquid level sensor is connected to the fuel tank through bolts 3 and gaskets 4. The sensing end of the liquid level sensor extends into the bottom of the fuel tank, and the display end of the liquid level sensor is set on the top of the fuel tank. The installation of the liquid level sensor can realize local or remote signal output to monitor the liquid level of the fuel tank. Two mounting brackets 19 are welded on both sides of the bottom of the fuel tank body, and 4 groups of triangular reinforcing ribs 18 are welded between the mounting brackets and the fuel tank body to improve the structural stability of the fuel tank.

The main part of the microporous nozzle provided in this embodiment is a stainless steel hollow tube. The end of the microporous nozzle 8 adopts a hemispherical design. The entire wall of the microporous nozzle is evenly spaced with micropores to ensure that the injection range covers the side wall of the fuel tank. And the bottom surface, the high-pressure fuel or cleaning agent can wash away the impurities on the inner wall of the fuel tank through the micropores. The cleaning interface 7 is sealed by the sealing bolt 6. When the cleaning operation is not performed, the sealing bolt is used to seal the cleaning interface, which not only prevents external impurities from entering the fuel tank but also prevents fuel from splashing through the interface.

The opening pressure of the safety valve 5 provided in this embodiment is adjustable and can be set according to the pressure bearing capacity of the fuel tank. When cleaning, the internal pressure of the fuel tank continues to rise. When the set pressure is reached, the safety valve opens to perform pressure relief protection to prevent Fuel tank internal overpressure. The exhaust end of the safety valve is equipped with a duct according to the specific layout to guide the air flow to a place that has no effect on the operator and the equipment.

The engine oil return conduit 13 provided by this embodiment is installed at the bottom of the oil return interface 21. When the engine is shut down for a long time, the fuel in the engine oil return conduit will slowly flow into the fuel tank, and the air will escape into the engine through the oil return conduit. Difficulty starting the engine. Inserting the oil return pipe under the fuel liquid level can effectively prevent air from entering the engine and improve the engine start performance after a long shutdown.

The port of the oil supply interface 20 provided in this embodiment is welded with a filter net, which is made of stainless steel to further play a filtering effect. The distance from the axis of the oil supply interface to the bottom of the fuel tank is 1.5 times the aperture of the oil supply interface.

The top of the fuel tank body provided by this embodiment is provided with an automatic filling interface 22, which is connected to the automatic filling conduit 12, and the automatic filling conduit extends into the inside of the fuel tank body, and the automatic filling interface is externally connected to an oil pump for automatic filling.

Example 2:

On the basis of Example 1, a preferred solution is proposed. The fuel tank body is designed as a cuboid structure, and the micropore nozzle is arranged at the geometric center of the fuel tank to ensure that the range of fuel or cleaning agent injected in the micropore can cover the side wall of the fuel tank and The bottom surface and the upper part of the fuel tank are equipped with a 0.1-1MP safety valve. When the liquid level in the fuel tank reaches the set lower limit, the liquid level sensor will send out a low oil level alarm signal. At this time, an external oil pump is required to automatically refill or manually refill diesel oil. Inserting the engine oil return conduit under the fuel liquid level can effectively prevent air from entering the engine and improve the engine start performance after a long shutdown.

The working principle of the present invention:

A fuel tank with cleaning and sewage function. Injecting a certain pressure of fuel oil or detergent through the cleaning interface can wash away the impurities on the inner wall of the fuel tank. The end of the microporous nozzle adopts a hemispherical design. The range covers the side wall and bottom surface of the fuel tank. A safety valve is installed on the upper part of the fuel tank. When the pressure in the fuel tank exceeds the set value, the safety valve opens to protect the pressure. The exhaust end of the safety valve is equipped with a conduit according to the specific layout. The bottom of the oil tank is designed with a conical tetrahedron. Due to the slope of the tetrahedron, the impurities can be concentrated to the lowest sewage outlet under the action of gravity. The sewage interface is equipped with a right-angle elbow and a sewage hand valve. By opening the sewage hand valve, the oil tank Impurities are discharged. The oil return interface conduit of the engine extends below the fuel liquid level, which can effectively prevent air from entering the engine and improve engine starting performance; a filter is installed at the end of the oil supply interface to further improve the filtering effect of fuel.

The fuel tank with cleaning and sewage discharge function provided by the present invention can efficiently complete the cleaning of the inner wall of the fuel tank without dismantling the fuel tank, and is easy to operate. , has the functions of overvoltage protection, sewage discharge, fuel filtration, prevention of air inflow in the oil return line, automatic filling, etc., and has the advantages of easy cleaning and operation, thorough sewage discharge, and strong corrosion resistance.

The present invention has been described in detail above with reference to the embodiments of the accompanying drawings, and those skilled in the art can make various changes to the present invention according to the above description. Therefore, some details in the embodiments should not be construed as limiting the present invention, and the present invention will take the scope defined by the appended claims as the protection scope of the present invention.

Claims (10)

1. one kind having cleaning dirt eliminating function fuel tank, including fuel tank body（1）, fuel tank cap（9）, fuel feeding interface（20）And oil return interface （21）, fuel tank cap and oil return interface is arranged at the top of fuel tank body, and fuel feeding interface is arranged in the lower part of fuel tank body；It is characterized in that The fuel tank body bottom uses conical design, blowdown interface（14）It is arranged in the lowest point of conical lower portion；The fuel tank body Top is equipped with cleaning interface（7）, clean interface and micro porous spray tube（8）Connection, micro porous spray tube are arranged inside fuel tank body, micropore spray Pipe（8）Tube wall on micropore is set.

2. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the blowdown interface is logical It crosses elbow bend and is connected with blowdown hand valve（16）.

3. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the micro porous spray tube（8） End uses hemispherical design, micropore uniform intervals to be arranged on the tube wall of micro porous spray tube, and the cleaning interface passes through sealing Bolt（6）Sealing.

4. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the oil return interface （21）It is connected to oil return duct（13）One end, the other end of oil return duct is inserted under the fuel level in fuel tank body.

5. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the top of the fuel tank body Portion is equipped with safety valve（5）.

6. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the fuel tank body is equipped with Liquid level sensor（2）, the induction end of liquid level sensor stretches into fuel tank body bottom, and the display end of liquid level sensor is arranged in fuel tank body Top.

7. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the top of the fuel tank body Portion is equipped with automatic filling interface（22）, automatic filling orifice automatic filling conduit（12）, automatic filling conduit stretches into fuel tank Internal portion.

8. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the fuel feeding interface （20）Port weld filter screen, the distance of the axis of the fuel feeding interface to tank bottoms is the 1.5 of fuel feeding interface aperture Times.

9. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the fuel tank cap（9）Even It is connected to filter bowl（11）, boss is equipped between fuel tank cap and fuel tank body（10）.

10. according to claim 1 a kind of with cleaning dirt eliminating function fuel tank, it is characterised in that the fuel tank body bottom Weld 2 mounting brackets in both sides（19）, mounting bracket（19）With fuel tank body（1）Between weld 4 groups of reinforcing ribs（18）.