CN221188134U - Quick filling device for fuel tank - Google Patents

Abstract

The utility model discloses a quick filling device for a fuel tank, belongs to the field of quick filling, and solves the problems of slow fuel filling and complex operation in the prior art. The fuel tank mainly comprises a fuel tank body, wherein an exhaust filter, an air inlet respirator, a common fuel filling port and a fuel receiver assembly are arranged on the fuel tank body, the fuel receiver assembly comprises a fuel receiver, the fuel receiver is connected with a valve block, and the valve block is connected with the fuel tank body; the air inlet and exhaust device and the exhaust filter are fixed on the tank body of the oil tank through a connecting flange plate. The utility model has simple structure, and the connecting piece is only required to be welded on the opening of the fuel tank of the foundation during installation, thereby being convenient for installation; the filling machine does not need to climb above the excavator, so that the labor cost is reduced.

Description

Quick filling device for fuel tank

Technical Field

The utility model relates to a quick filling device, in particular to a quick filling device for a fuel tank.

Background

With the rapid development of engineering machinery industry and the increase of various engineering construction scales, the oversized excavator becomes one of the future development trends of the excavator. The whole excavator is increased, and the volume of the fuel tank is also increased. The common filling can not meet the requirements of the large excavator on the aspect of fuel filling, on one hand, the filling speed needs to be improved, the efficiency is improved, and on the other hand, the sealing performance of an oil port during filling needs to be improved, so that the fuel system is prevented from being polluted by dust.

Other ultra-large mining machinery has precedents of applying quick filling, and the application of the bulletin No. CN210887392U in the prior art is a fuel filling system and an engineering vehicle, wherein the fuel filling system comprises a fuel tank, a fuel filling pipe, a quick filling joint, a fuel tank steel pipe and a fuel filling electric system; the fuel filling pipe is arranged outside the fuel tank and used for guiding the fuel into the fuel tank; the quick filling joint is connected with the fuel filling pipe to realize quick filling of fuel; the inside at the fuel tank is installed to the fuel tank steel pipe, and this fuel tank steel pipe and fuel filling pipe intercommunication, at the bottom of with the fuel tank through the fuel tank steel pipe drainage, nevertheless it does not remain conventional filler, only supports quick filling one kind of filling scheme, and through quick filling car, the cooperation is installed the quick filler on the oil tank, refuels, lacks breathing apparatus and exhaust filter and carries out air auxiliary filling fuel in addition. There is currently a lack of a fuel tank quick fill device.

Disclosure of Invention

The utility model aims to provide a quick filling device for a fuel tank, which solves the problems of slow fuel filling and complex operation in the prior art.

The utility model is realized by the following technical scheme:

The quick filling device of the fuel tank comprises a fuel tank body, wherein the fuel tank body is fixed on a frame, a common fuel filling port, a fuel receiver assembly, an air inlet breather and an exhaust filter are arranged on the fuel tank body, the fuel receiver assembly comprises a fuel receiver and a connecting pipe, the connecting pipe is connected with a valve block, and the valve block is connected with the fuel receiver; the intake and exhaust air device and the exhaust air filter are fixed on the tank body.

Further, the valve block comprises a valve body and a front plate, the front plate is welded with the valve body, and the fuel receiver comprises a shell, and the shell is fixed on the front plate through flange bolts.

Further, a sealing gasket is arranged between the shell and the front plate, so that the tightness of the shell is ensured.

Further, the valve block is welded on the frame, the fuel receiver is embedded in the frame, the fuel receiver can be protected, and damage caused by flying rocks and splashing during machine working is prevented

Further, the valve body is connected with the hose through a split flange, and a sealing ring is arranged in the split flange, so that the tightness of the split flange is ensured.

Further, the air inlet breather is welded on the fuel tank body through the air inlet connecting flange, the threaded hole in the air inlet connecting flange is screwed with the air inlet breather, and when the tank body of the fuel tank descends, air can be sucked through the air inlet breather, so that the pressure balance in the tank is maintained.

Further, the exhaust filter is welded on the fuel tank body through the exhaust connecting flange, the internal threaded hole of the exhaust connecting flange is screwed with the air inlet breather, the exhaust filter discharges redundant air when the pressure in the tank is increased, and the pressure value in the tank body of the fuel tank is controlled to be kept stable.

Further, the connecting pipe include fixed pipe I, hose, steel pipe and fixed pipe II, the steel pipe passes through welding flange and is connected with the one end of fixed pipe I, the other end of fixed pipe I is connected with fixed pipe II, fixed pipe II passes through split flange and connects on the valve piece, fixed pipe I passes through welding flange and connects the oil tank box.

Compared with the prior art, the utility model has the beneficial effects that:

1. The common fuel filling port and the fuel receiver assembly are arranged on the fuel tank body, so that the structure is simple, and a connecting piece is only required to be welded on an opening of a basic fuel tank during installation, thereby being convenient to install; in normal filling, the filling can be normally performed according to the existing method.

2. The fuel oil receiver is fixedly connected to the frame through the valve block, the optimal filling position can be selected according to different models, the user does not need to climb above the excavator during filling, and the labor cost is reduced.

3. According to the utility model, the air inlet breather and the exhaust filter are arranged on the oil tank body, and when the pressure in the oil tank is increased, the exhaust filter discharges redundant air, so that the pressure value in the oil tank body is controlled to be stable; when the tank body fluid of the oil tank descends, air can be sucked through the air inlet respirator, and the pressure balance in the tank is maintained.

Drawings

FIG. 1 is an exploded schematic view of the system of the present utility model;

FIG. 2 is an exploded schematic view of the structure of the air-breathing respirator of the present utility model;

FIG. 3 is an exploded view of the present utility model with an exhaust filter arrangement;

FIG. 4 is an exploded view of the external piping structure of the fuel receiver of the present utility model;

FIG. 5 is a schematic cross-sectional view of a fuel receiver and valve block of the present utility model;

fig. 6 is a partial schematic view of the rapid fill system of the present utility model in a complete machine position.

In the figure: 1. an oil tank body; 2. an exhaust gas filter; 21. an exhaust connection flange; 3. an air intake respirator; 31. an air inlet connecting flange plate; 4. a common fuel filler; 5. a fuel receiver assembly; 51. a steel pipe; 52. welding a flange; 53. a fixed pipe I; 54. a fixed pipe II; 55. a hose; 56. a valve block; 57. a fuel receiver; 58. a split flange; 561. a front plate; 562. a valve body; 571. a sealing gasket; 572. a housing; 573. a flange bolt; 6. and a frame.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The embodiment 1, a quick filling device of fuel tank, as shown in fig. 1, include the tank body 1, the tank body 1 is fixed on frame 6, there are ordinary fuel filling ports 4, fuel receiver assembly 5, intake breather 3 and exhaust filter 2 on the said tank body 1, the fuel receiver assembly 5 includes the fuel receiver 57, connecting pipe and valve block 56, the fuel receiver assembly 5 is used for filling the fuel fast, the connecting pipe connects the valve block 56, the connecting pipe can extend the fuel receiver 57 from the tank body to the right side of frame 6 inside, facilitate filling, the fuel receiver 57 is inlaid in frame 6 inside, can protect the fuel receiver 57, prevent the machine from flying stone splash and causing damage while working; the fuel receiver 57 is connected with the valve block 56 through flange bolts 573; the intake and exhaust air filter 2 is fixed to the tank body 1 by means of a fixing. The utility model has simple structure, and the connecting piece is only required to be welded on the opening of the fuel tank of the foundation during installation, thereby being convenient for installation; the filling process does not need to climb to the upper part of the oil tank, so that the labor cost is reduced. The common filler neck itself is equipped with the fuel tank cap, reduces the cost for the system. The openings of the exhaust filter 2 and the intake respirator 3 are sealed with plugs if not used. If the fuel receiver 57 is not used, it is sealed with a cover plate, and the sealed fuel tank can be used as a normal fuel tank.

Embodiment 2, a fuel tank quick fill apparatus, as shown in fig. 5, the valve block 56 includes a valve body 562 and a front plate 561, the front plate 561 being welded to the valve body 562, the fuel receiver 57 including a housing 572, the housing 572 being secured to the front plate 561 by flange bolts 573; a sealing gasket 571 is arranged between the shell 572 and the front plate 561, so that the tightness of the sealing gasket is ensured; the valve block 56 is fixed in an opening reserved on the right side of the frame 6; the connection part of the fixed pipe I53 and the hose 55 is connected through a welding flange 52, and an O-shaped ring is arranged in the welding flange 52; as shown in fig. 2, the air inlet respirator 3 is fixed on the fuel tank body through an air inlet connecting flange plate 31, the specific air inlet respirator 3 is screwed with a threaded hole in the air inlet connecting flange plate 31, and the flange plate 31 is fixed on the fuel tank body through welding; as shown in fig. 3, the exhaust filter 2 is fixed on the fuel tank body through an exhaust connection flange 21, the exhaust filter 2 is screwed with a threaded hole in the exhaust connection flange 21, and the exhaust connection flange 21 is fixed on the fuel tank body through welding; the intake and exhaust air device and the exhaust air filter 2 are arranged outside the top of the tank body 1; an external filling gun is arranged in cooperation with the fuel receiver 57; the connecting pipe comprises a fixed pipe I53, a hose 55, a steel pipe 51 and a fixed pipe II 54, as shown in fig. 4, the steel pipe 51 is arranged in the box body, the steel pipe 51 is connected with a welding flange 52, the welding flange 52 is fixed on the box body, the welding flange 52 is connected with one end of the fixed pipe I53, the other end of the fixed pipe I53 is connected with the fixed pipe II 54, the fixed pipe II 54 is connected on a valve block 56 through a split flange 58, and the split flange 58 is internally provided with an O-shaped ring for sealing; the opening of the oil tank body 1 can be covered by a plug or a cover plate which is matched with the opening.

When the fuel is filled quickly, the external filling gun is connected with the fuel receiver 57, filling is started, the air exhaust filter 2 discharges redundant air when the pressure in the tank is increased, the pressure value in the fuel tank body 1 is controlled to be stable, when the fuel is filled quickly, the liquid level in the tank exceeds the tail end of the air exhaust filter 2, a floating ball arranged in the tail end of the air exhaust filter 2 rises to block an air exhaust outlet, the pressure in the tank is increased sharply, and when the pressure reaches the pressure threshold set by the fuel filling nozzle, the gun jump of the filling gun stops discharging the fuel, so that filling is completed. When the device works, the liquid level of the oil tank is reduced, and air is sucked through the air inlet breather 3, so that the pressure balance in the oil tank is maintained. And during normal filling, the filling is carried out normally according to the previous method. The exhaust filter 2 and the air intake respirator 3 are both in the prior art, and the internal structure thereof is not described in detail.

Claims (8)

1. The utility model provides a quick filling device of fuel tank, includes oil tank box (1), and oil tank box (1) are fixed on frame (6), its characterized in that: the fuel tank is characterized in that a common fuel filling port (4), a fuel receiver assembly (5), an air inlet respirator (3) and an exhaust filter (2) are arranged on the fuel tank body (1), the fuel receiver assembly (5) comprises a fuel receiver (57) and a connecting pipe, the connecting pipe is connected with a valve block (56), and the valve block (56) is connected with the fuel receiver (57); the air inlet and exhaust device and the exhaust filter (2) are fixed on the oil tank body (1).

2. The rapid filling device for fuel tanks according to claim 1, characterized in that: the valve block (56) comprises a valve body (562) and a front plate (561), the front plate (561) is welded with the valve body (562), the fuel oil receiver (57) comprises a shell (572), and the shell (572) is fixed on the front plate (561) through flange bolts (573).

3. A rapid filling device for a fuel tank according to claim 2, wherein: a sealing gasket (571) is arranged between the shell (572) and the front plate (561).

4. A rapid filling device for a fuel tank according to claim 2, wherein: the valve block (56) is welded on the frame (6).

5. A rapid filling device for a fuel tank according to claim 2, wherein: the valve body (562) is connected with the hose (55) through a split flange (58), and a sealing ring is arranged in the split flange (58).

6. The rapid filling device for fuel tanks according to claim 1, characterized in that: the air inlet breather (3) is welded on the fuel tank body through an air inlet connecting flange plate (31), and an inner threaded hole of the air inlet connecting flange plate (31) is screwed with the air inlet breather (3).

7. The rapid filling device for fuel tanks according to claim 1, characterized in that: the exhaust filter (2) is welded on the fuel tank body through an exhaust connecting flange plate (21), and a built-in threaded hole of the exhaust connecting flange plate (21) is connected with the air inlet respirator (3) in a screwing mode.

8. The rapid filling device for fuel tanks according to claim 1, characterized in that: the connecting pipe include fixed pipe I (53), hose (55) and fixed pipe II (54), fixed pipe II (54) one end is connected with valve piece (56), the other end is connected with hose (55), hose (55) connect fixed pipe I (53), fixed pipe I (53) are through welding flange (52) connection oil tank box (1).