Multi-cavity integrated high-strength plastic fuel tank

Abstract

The utility model discloses a multi-cavity integrated type high-strength plastic fuel tank, which relates to the technical field of fuel tanks, and comprises a fuel tank, the fuel tank comprises a main fuel tank, and the top of the main fuel tank is provided with an oil filler. The honeycomb reinforcing ribs can further enhance the impact resistance of the fuel tank and ensure that enough supporting strength is provided for key parts, so that the fuel tank can bear larger external force impact, the risks of fracture and deformation are effectively reduced, and the service life of the fuel tank is prolonged. The main oil tank and the two oil storage tanks form three oil cavities, the three oil cavities are connected through the exhaust pipes and the one-way valves, shaking of fuel oil in the running process of a vehicle is effectively reduced through the multi-cavity structure, meanwhile, the fuel oil amount of all the cavities is relatively balanced, fuel oil consumption is more uniform, and the fuel oil utilization efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel tank technical field especially relates to a multi -cavity integrated high -strength plastic fuel tank. BACKGROUND

[0002] With the development of automobile industry, the performance requirement of fuel tank is higher and higher, the traditional fuel tank is mostly single cavity structure, and there are many problems in fuel storage and use process.

[0003] Such as Chinese patent CN215971105U discloses a kind of fuel tank oil-gas separation device and vehicle, including shell and cover plate, cover plate is covered on shell, to form enclosed chamber in shell;Air inlet and air outlet are provided on the lateral wall of shell, air inlet is used to be communicated with fuel tank, air outlet is used to be communicated with carbon tank;Enclosed chamber is equipped with multiple interlaced oil-gas separation grating;Enclosed chamber is also equipped with oil spill prevention module, its periphery is enclosed, one end is communicated with air outlet, another end is equipped with air hole, air hole is equipped with oil baffle near air inlet, prevent liquid fuel from entering carbon tank from air hole.

[0004] When vehicle is running, fuel tank and fuel sway greatly, it is easy to affect the stability of vehicle, and single cavity structure is not uniform when coping with complex road conditions, fuel consumption is reduced, and the utilization efficiency of fuel is reduced, in addition, most of the plastic fuel tank still has the problem of strength, when being subjected to collision, extrusion and other external force, it is easy to break, deform, cause fuel leakage, there is serious safety hazard, to solve the above problems, a kind of multi -cavity integrated high -strength plastic fuel tank is provided. INVENTION CONTENTS

[0005] The utility model aims at solving the problems in prior art and provides a kind of multi -cavity integrated high -strength plastic fuel tank.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of multi -cavity integrated high -strength plastic fuel tank, including fuel tank, the fuel tank includes main oil tank, the top of the main oil tank is equipped with fuel inlet, the two sides of the main oil tank are symmetrically fixedly connected with two oil storage tanks, the top of the main oil tank is fixedly installed with pressure sensor, and the outer side of the main oil tank is fixedly installed with controller, the bottom outer side of the main oil tank and two oil storage tanks is fixedly connected with liquid level sensor, the two sides of the main oil tank are symmetrically fixedly connected with two oil discharge pipes, and one end of the oil discharge pipe is fixedly connected with one-way valve, the top of the main oil tank and two oil storage tanks is arched structure, the top wall of the main oil tank and two oil storage tanks is fixedly connected with honeycomb honeycomb reinforcing rib, the main oil tank and two oil storage tanks are multi -layer structure design, the internal cavity of the main oil tank and two oil storage tanks is fixedly connected with glass fibre inner layer, and the outer side of the main oil tank and two oil storage tanks is provided with flame retardant layer.

[0007] Preferably, the inside of the oil filler is provided with a filter assembly, and the filter assembly comprises a filter pipe.

[0008] Preferably, the outer edge of the filter pipe is fixedly connected with two clamping blocks in a symmetrical mode, and the inner edge of the filter pipe is fixedly connected with two pull rings in a symmetrical mode, and the bottom of the filter pipe is fixedly connected with a filter screen.

[0009] Preferably, the inner wall of the oil filler is provided with clamping grooves in a symmetrical mode, and one end of the clamping block is clamped with the clamping groove.

[0010] Preferably, the oil filler is rotatably installed with a sealing cover on one side, the top of the main oil tank and the two oil storage tanks is fixedly connected with an exhaust pipe, and the top end of the exhaust pipe is fixedly connected with an exhaust valve.

[0011] Preferably, the bottom of the main oil tank is fixedly connected with a drain screw plug, and the inside of the main oil tank is fixedly connected with an oil return pipe.

[0012] Preferably, the bottom wall of the main oil tank is fixedly connected with a plurality of partition plates.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、In the utility model, the top of main oil tank and two oil storage tanks are all arch structure, the top wall of main oil tank and oil storage tank has honeycomb reinforcing rib of honeycomb structure, the inside cavity is glass fiber inner layer, the outside is flame retardant layer, the glass fiber inner layer enhances the impact resistance of fuel tank, the flame retardant layer has good flame retardant performance, improves the safety of fuel tank, the arch structure can evenly disperse the external force received, reduces local stress concentration, thereby improves the overall strength of fuel tank, the honeycomb reinforcing rib of honeycomb structure adopts glass fiber reinforced polypropylene material, further enhances the impact resistance of fuel tank, the honeycomb reinforcing rib ensures to provide enough support strength at the key position, thereby make the fuel tank can bear greater external force impact, effectively reduces the risk of rupture, deformation.

[0015] 2、In the utility model, main oil tank and two oil storage tanks form three oil chambers, three oil chambers are connected through exhaust pipe and check valve, ensure that fuel can only flow in a specific direction, prevent fuel from flowing from one cavity to another cavity when vehicle is inclined, ensure that the fuel amount of each cavity is relatively balanced, the controller controls the opening and closing of check valve according to the data of liquid level sensor, ensure the normal oil supply of engine, at the same time, the controller controls the opening and closing of corresponding exhaust valve according to the data of pressure sensor, prevent fuel tank from being damaged due to excessive pressure, effectively reduce the shaking of fuel in the process of vehicle driving through multi-cavity structure, at the same time, the fuel amount of each cavity is relatively balanced, make fuel consumption more uniform, improve fuel utilization efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective structure schematic view of a multi-cavity integrated high-strength plastic fuel tank is provided in the utility model;

[0017] Figure 2 A top view structure schematic view of a multi-cavity integrated high-strength plastic fuel tank is provided in the utility model;

[0018] Figure 3 An explosion view of a multi-cavity integrated high-strength plastic fuel tank is provided in the utility model;

[0019] Figure 4 A structure schematic view of a honeycomb reinforcing rib of a multi-cavity integrated high-strength plastic fuel tank is provided in the utility model;

[0020] Figure 5 An internal top view of a multi-cavity integrated high-strength plastic fuel tank is provided in the utility model.

[0021] Legend: 1, fuel tank; 2, filter assembly; 11, main oil tank; 12, sealing cover; 13, oil storage tank; 14, pressure sensor; 15, exhaust pipe; 16, exhaust valve; 17, oil filler; 18, clamping groove; 19, controller; 110, liquid level sensor; 111, oil discharge pipe; 112, partition plate; 113, oil return pipe; 114, one-way valve; 115, oil drain screw plug; 116, honeycomb reinforcing rib; 117, glass fiber inner layer; 118, flame retardant layer; 21, filter pipe; 22, clamping block; 23, pull ring; 24, filter screen. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following disclosure.

[0024] Embodiment one: as Figure 1 - Figure 5The utility model provides a kind of multi-cavity integrated high-strength plastic fuel tank, including fuel tank 1, fuel tank 1 includes main oil tank 11, the top of main oil tank 11 is equipped with oil filler 17, two oil storage tanks 13 are symmetrically fixedly connected on the both sides of main oil tank 11, pressure sensor 14 is fixedly installed on the top of main oil tank 11, and controller 19 is fixedly installed on the outside of main oil tank 11, the bottom outside of main oil tank 11 and two oil storage tanks 13 is fixedly connected with liquid level sensor 110, two oil discharge pipes 111 are symmetrically fixedly connected on the both sides of main oil tank 11, and one-way valve 114 is fixedly connected to one end of oil discharge pipe 111, the top of main oil tank 11 and two oil storage tanks 13 is arched structure, the top wall of main oil tank 11 and two oil storage tanks 13 is fixedly connected with honeycomb honeycomb reinforcing rib 116, main oil tank 11 and two oil storage tanks 13 are multilayer structure design, glass fibre inner layer 117 is fixedly connected in the internal cavity of main oil tank 11 and two oil storage tanks 13, fire retardant layer 118 is arranged on the outside of main oil tank 11 and two oil storage tanks 13, sealing cover 12 is rotatably installed on the side of oil filler 17, exhaust pipe 15 is fixedly connected to the top of main oil tank 11 and two oil storage tanks 13, exhaust valve 16 is fixedly connected to the top end of exhaust pipe 15, oil drain screw plug 115 is fixedly connected to the bottom of main oil tank 11, and oil return pipe 113 is fixedly connected in the inside of main oil tank 11, a plurality of partitions 112 are fixedly connected to the bottom wall of main oil tank 11.

[0025] The specific settings and effects of the present embodiment are as follows: the fuel tank 1 is mainly composed of the main oil tank 11 and the two oil storage tanks 13, the top of the main oil tank 11 and the two oil storage tanks 13 is arched structure, the top wall of the main oil tank 11 and the two oil storage tanks 13 has honeycomb reinforcing rib 116 with honeycomb structure, the main oil tank 11 and the two oil storage tanks 13 are multilayer structure design, the internal cavity of the main oil tank 11 and the two oil storage tanks 13 is provided with glass fibre inner layer 117, the outside of the main oil tank 11 and the two oil storage tanks 13 is provided with fire retardant layer 118, the glass fibre inner layer 117 is glass fibre reinforced polypropylene material, the addition of glass fibre greatly improves the strength and rigidity of the material, enhances the impact resistance of the fuel tank 1, the fire retardant layer 118 is flame-retardant polycarbonate material, has good flame retardant performance, can delay the spread of fire when fire occurs, improves the safety of the fuel tank 1, the arched structure can evenly disperse the external force, reduce local stress concentration, thereby improving the overall strength of the fuel tank 1, the honeycomb reinforcing rib 116 with honeycomb structure is made of glass fibre reinforced polypropylene material, further enhances the impact resistance of the fuel tank 1, the honeycomb reinforcing rib 116 with honeycomb structure ensures sufficient support strength at the key position, so that the fuel tank 1 can withstand greater external force impact, effectively reduces the risk of rupture and deformation;

[0026] Meanwhile, the main oil tank 11 and the two oil storage tanks 13 form three oil chambers, the three oil chambers are connected through the exhaust pipe 15 and the one-way valve 114, the bottom end of the three oil chambers is provided with the liquid level sensor 110, the top end of the three oil chambers is provided with the exhaust valve 16, and the top of the main oil tank 11 is provided with the pressure sensor 14, the pressure sensor 14, the liquid level sensor 110, the one-way valve 114 and the exhaust valve 16 are connected with the controller 19, the three oil chambers are connected through the exhaust pipe 15 and the one-way valve 114, so that the fuel can only flow in a specific direction, when the vehicle is inclined, the fuel is prevented from flowing from one chamber to another chamber, the fuel amount in each chamber is relatively balanced, the liquid level sensor 110 can monitor the fuel liquid level of each chamber in real time and transmit the data to the controller 19, the pressure sensor 14 can monitor the pressure change in the fuel tank 1, the controller 19 controls the opening and closing of the one-way valve 114 according to the data of the liquid level sensor 110 (when the fuel liquid level of a certain chamber is too low, the controller 19 controls the one-way valve 114 to open, so that the fuel in other chambers flows into the chamber, to ensure the normal fuel supply of the engine), and the controller 19 controls the opening and closing of the corresponding exhaust valve 16 according to the data of the pressure sensor 14 (when the pressure in the fuel tank 1 is too high, the controller 19 controls the exhaust valve 16 to open, to release the excess pressure, to prevent the fuel tank 1 from being damaged due to the high pressure), the multi-chamber structure effectively reduces the shaking of the fuel during the driving of the vehicle, and the fuel amount in each chamber is relatively balanced, so that the fuel consumption is more uniform, and the fuel utilization efficiency is improved.

[0027] Embodiment two: as shown in Figure 1 Figure 3 The inside of the oil filler port 17 is provided with a filter assembly 2, the filter assembly 2 comprises a filter pipe 21, the outer edge of the filter pipe 21 is symmetrically and fixedly connected with two clamping blocks 22, the inner edge of the filter pipe 21 is symmetrically and fixedly connected with two pull rings 23, the bottom of the filter pipe 21 is fixedly connected with a filter screen 24, the inner wall of the oil filler port 17 is symmetrically provided with a clamping groove 18, and one end of the clamping block 22 is clamped with the clamping groove 18.

[0028] The effect of the whole embodiment is that the filter assembly 2 is added at the oil filler port 17, the filter assembly 2 can be clamped at the clamping groove 18 through the clamping block 22, when diesel is added through the oil filler port 17, the impurities in the diesel are filtered through the filter screen 24 and remain on the filter screen 24, when the impurities in the filter screen 24 are too much, the filter assembly 2 clamped on the inner wall of the oil filler port 17 is lifted upwards, at this time, the filter assembly 2 is removed outside the fuel tank 1, so that the filter assembly 2 is convenient to clean.

[0029] ​The method for using and working principle of the device: the top of the main oil tank 11 and the two oil storage tanks 13 are arched structures, the glass fiber inner layer 117 is a glass fiber reinforced polypropylene material, which improves the strength and rigidity of the material and enhances the impact resistance of the fuel tank 1, the fire-retardant layer 118 has good fire-retardant performance, which improves the safety of the fuel tank 1, the arched structure can uniformly disperse the external force received, reduce local stress concentration, and improve the overall strength of the fuel tank 1, the honeycomb reinforcing rib 116 of the honeycomb structure is made of glass fiber reinforced polypropylene material, which enhances the impact resistance of the fuel tank 1, so that the fuel tank 1 can withstand greater external force impact;

[0030] Meanwhile, the main oil tank 11 and the two oil storage tanks 13 form three oil chambers, and the three oil chambers are connected through the exhaust pipe 15 and the one-way valve 114, so that the fuel can only flow in a specific direction, and when the vehicle is inclined, the fuel is prevented from flowing from one chamber to another chamber, ensuring that the fuel in each chamber is relatively balanced, the liquid level sensor 110 can monitor the fuel level of each chamber in real time and transmit the data to the controller 19, and the pressure sensor 14 can monitor the pressure change in the fuel tank 1, the controller 19 controls the opening and closing of the one-way valve 114 according to the data of the liquid level sensor 110, and ensures the normal fuel supply of the engine, and the controller 19 controls the opening and closing of the corresponding exhaust valve 16 according to the data of the pressure sensor 14, to prevent the fuel tank 1 from being damaged due to excessive pressure;

[0031] The filter assembly 2 can be clamped in the clamping groove 18 by the clamping block 22, when diesel is added through the oil filler neck 17, impurities in the diesel are filtered by the filter screen 24 and remain on the filter screen 24, when the filter screen 24 has too many impurities, the filter assembly 2 clamped in the inner wall of the oil filler neck 17 is lifted upwards, at this time the filter assembly 2 is lifted out of the fuel tank 1, facilitating cleaning of the filter assembly 2.

[0032] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A multi-cavity integrated high-strength plastic fuel tank, comprising a fuel tank (1), the fuel tank (1) comprising a main tank (11), a top of the main tank (11) being provided with a fuel filler opening (17), characterized in that: Both sides of the main oil tank (11) are symmetrically and fixedly connected with two oil storage tanks (13), the top of the main oil tank (11) is fixedly installed with a pressure sensor (14), and the outer side of the main oil tank (11) is fixedly installed with a controller (19), the bottom outer side of the main oil tank (11) and the two oil storage tanks (13) are fixedly connected with liquid level sensors (110), both sides of the main oil tank (11) are symmetrically and fixedly connected with two oil discharge pipes (111), one end of the oil discharge pipe (111) is fixedly connected with a one-way valve (114), the top of the main oil tank (11) and the two oil storage tanks (13) are arc-shaped structures, the top wall of the main oil tank (11) and the two oil storage tanks (13) is fixedly connected with honeycomb-shaped honeycomb reinforcing ribs (116), the main oil tank (11) and the two oil storage tanks (13) are multi-layer structure designs, the internal cavity of the main oil tank (11) and the two oil storage tanks (13) is fixedly connected with a glass fiber inner layer (117), and the outer side of the main oil tank (11) and the two oil storage tanks (13) is provided with a fire retardant layer (118).

2. The multi-cavity integrated high-strength plastic fuel tank of claim 1, wherein: The oil filler (17) is provided with a filter assembly (2) inside, and the filter assembly (2) comprises a filter pipe (21).

3. The multi-cavity integrated high-strength plastic fuel tank of claim 2, wherein: The outer edge of the filter pipe (21) is symmetrically and fixedly connected with two clamping blocks (22), and the inner edge of the filter pipe (21) is symmetrically and fixedly connected with two pull rings (23), and the bottom of the filter pipe (21) is fixedly connected with a filter screen (24).

4. The multi-cavity integrated high-strength plastic fuel tank of claim 3, wherein: The inner wall of the oil filler (17) is symmetrically provided with a clamping groove (18), and one end of the clamping block (22) is clamped with the clamping groove (18).

5. The multi-cavity integrated high-strength plastic fuel tank of claim 1, wherein: The oil filler (17) is rotatably installed with a sealing cover (12) on one side, the top of the main oil tank (11) and the two oil storage tanks (13) is fixedly connected with an exhaust pipe (15), and the top end of the exhaust pipe (15) is fixedly connected with an exhaust valve (16).

6. The multi-cavity integrated high-strength plastic fuel tank of claim 1, wherein: The bottom of the main oil tank (11) is fixedly connected with a drain screw plug (115), and the inside of the main oil tank (11) is fixedly connected with an oil return pipe (113).

7. The multi-cavity integrated high-strength plastic fuel tank of claim 1, wherein: The bottom wall of the main oil tank (11) is fixedly connected with a plurality of partitions (112).

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