Mute noise reduction type automobile fuel tank

Abstract

The utility model provides a mute noise reduction type automobile fuel tank which comprises a fuel tank body, the fuel tank body comprises an upper shell and a lower shell, the upper shell and the lower shell are fixedly connected, an oil pump clamping seat and an external pipeline assembly are arranged on the upper shell, the oil pump clamping seat is communicated with the interior of the upper shell, and the external pipeline assembly is communicated with the interior of the upper shell. An oil filling port is formed in the side wall of the lower shell and communicated with the interior of the lower shell, a one-way valve is arranged in the oil filling port, a plurality of upper supports are arranged on the surface of the upper shell and fixed to the surface of the upper shell, and shock pads are arranged on the upper surfaces of the upper supports. According to the fuel tank, the multiple upper supports and the multiple lower supporting frames are arranged on the surface of the fuel tank body, the shock pads are bonded to the upper supports and the lower supporting frames, vibration and noise are generated in the vehicle running process, the noise generated in the working process of the fuel tank and the vehicle running process is greatly reduced, and the comfort of personnel in the running process is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile fuel tanks, in particular to a noise - reducing automobile fuel tank. Background Art

[0002] An automobile fuel tank is the full name of a car's fuel tank. Currently, with the development of the automobile industry and the revitalization of the domestic automobile industry, the demand for automobile fuel tanks by major automobile manufacturers shows an obvious growth trend. Aluminum alloy fuel tanks not only meet the requirements in terms of strength but also have great advantages in corrosion resistance compared with iron and other new materials.

[0003] The existing Chinese patent document CN201920292739.2 discloses a new type of automobile fuel tank, which includes an upper shell, a lower shell, a valve, a ventilation pipe, and a fuel inlet pipe. The upper shell and the lower shell cooperate to form a fuel tank cavity. Both the upper shell and the lower shell are metal shells. The ventilation pipe and the fuel inlet pipe are both arranged on the upper shell, and the valve is located in the fuel tank cavity and connected to the ventilation pipe. The structure of this new type of automobile fuel tank is reasonably designed. By using a metal material shell and an internal valve, fuel penetration and evaporation are reduced, better meeting environmental protection requirements and reducing costs.

[0004] However, there are certain defects in the use of the above - mentioned patent. When the vehicle is running, especially when suddenly braking, accelerating, or driving on a bumpy road surface, the liquid fuel in the fuel tank will oscillate due to inertia, thereby generating noise. These noises not only affect the quiet environment in the cab but also affect the riding experience of the driver and passengers.

[0005] Therefore, a noise - reducing automobile fuel tank is proposed here to solve the above - mentioned problems. Summary of the Utility Model

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a noise - reducing automobile fuel tank.

[0007] The utility model is realized by adopting the following technical solutions:

[0008] A noise - reducing automobile fuel tank includes a fuel tank body. The fuel tank body includes an upper shell and a lower shell, which are fixedly connected to each other. An oil pump holder and an external pipeline assembly are arranged on the upper shell. The oil pump holder is communicated with the inside of the upper shell. A fuel filling port is arranged on the side wall of the lower shell, and the fuel filling port is communicated with the inside of the lower shell. A one - way valve is arranged inside the fuel filling port. A plurality of upper brackets are arranged on the surface of the upper shell, and the upper brackets are fixed on the surface of the upper shell. A shock - absorbing pad is arranged on the upper surface of the upper brackets.

[0009] The lower end of the lower housing is provided with three lower support frames. The lower support frames are in the shape of "I", and the lower surface of the lower support frames is provided with shock pads, which are bonded to the upper support and the lower support frames.

[0010] Sound-absorbing cotton is bonded to the fuel tank body, and the sound-absorbing cotton covers the entire fuel tank body.

[0011] The surface of the shock pad is provided with a plurality of anti-slip grooves, which are evenly and equidistantly arranged, and the shock pad is made of silica gel.

[0012] A plurality of tubing clamps are provided at the edge of the upper housing, and the external pipeline assembly is fixed to the upper surface of the upper housing through the tubing clamps.

[0013] A heat insulation plate is provided outside the fuel tank body. The heat insulation plate covers the surface of the fuel tank body. The heat insulation plate is provided with a plurality of fixing bolts, and the heat insulation plate is fixed to the surface of the fuel tank body through the fixing bolts.

[0014] The utility model has the following beneficial effects compared with the prior art:

[0015] 1. By providing a plurality of upper support frames and lower support frames on the surface of the fuel tank body, shock pads are bonded to both the upper support frames and the lower support frames. During the driving of the vehicle, vibrations and noises are generated. Since the shock pads can undergo elastic deformation and absorb vibration energy, and by arranging the shock pads on the upper support frames and the lower support frames, the vibration between the fuel tank and the vehicle body can be isolated, reducing the vibration transmission to the vehicle body, greatly reducing the noise of the fuel tank during operation and vehicle driving, and ensuring the comfort of personnel during driving.

[0016] 2. By providing sound-absorbing cotton outside the fuel tank body, the sound-absorbing cotton has a porous structure. When noise propagates from the inside of the fuel tank to the outside, the sound-absorbing cotton can absorb it, thereby reducing the reflection and transmission of noise and reducing the propagation of noise, and further reducing the propagation of noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the front three-dimensional structural schematic diagram of the fuel tank body of the utility model;

[0018] Figure 2 is the top three-dimensional structural schematic diagram of the fuel tank body of the utility model;

[0019] Figure 3 is the utility model Figure 2 The enlarged schematic diagram of the structure at A in;

[0020] In the figure: 1. Upper housing; 2. Lower housing; 3. Oil pump holder; 4. External pipeline assembly; 5. Oil pipe clamp; 6. Heat insulation board; 61. Fixed bolt; 11. Fuel filling port; 7. Upper bracket; 8. Shock pad; 81. Anti-slip groove; 9. Lower support frame. Detailed implementation manners

[0021] Next, in combination with the accompanying drawings and specific implementation manners, the present utility model will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0022] The present utility model will be further described below in conjunction with the accompanying drawings.

[0023] As Figures 1 to 3 shown, a silent and noise-reducing automotive fuel tank includes a fuel tank body. The fuel tank body includes an upper housing 1 and a lower housing 2. The upper housing 1 and the lower housing 2 are fixedly connected. An oil pump holder 3 and an external pipeline assembly are provided on the upper housing 1. The oil pump holder 3 is in communication with the inside of the upper housing 1 and is used for installing an oil pump and connecting to an external pipeline. A fuel filling port 11 is provided on the side wall of the lower housing 2. The fuel filling port 11 is in communication with the inside of the lower housing 2 to facilitate fuel filling. A one-way valve is provided inside the fuel filling port 11. The one-way valve is provided to ensure that fuel can only flow into the fuel tank unidirectionally. A plurality of upper brackets 7 are provided on the surface of the upper housing 1. The upper brackets 7 are fixed on the surface of the upper housing 1. A shock pad 8 is provided on the upper surface of the upper brackets 7.

[0024] Three lower support frames 9 are provided at the lower end of the lower housing 2. The lower support frames 9 are in the shape of a "worker". The lower support frames 9 are designed in the shape of a "worker" to enhance the support strength of the lower part of the fuel tank and prevent the fuel tank from sinking or deforming due to weight and vibration. A shock pad 8 is provided on the lower surface of the lower support frames 9. The shock pad 8 is bonded to the upper brackets 7 and the lower support frames 9.

[0025] Sound-absorbing cotton is bonded to the fuel tank body. The sound-absorbing cotton covers the entire fuel tank body. The sound-absorbing cotton can absorb noise and also isolate external heat, thereby maintaining a suitable internal temperature and ensuring the stable operation of the fuel tank system.

[0026] A plurality of anti-slip grooves 81 are provided on the surface of the shock pad 8. The anti-slip grooves 81 are evenly and equidistantly arranged. The plurality of anti-slip grooves 81 provided increase the friction between the bracket and the vehicle frame, ensure the stability of the installation, and prevent sliding.

[0027] The shock pad 8 is made of silicone. The shock pad 8 is made of a flexible vibration-absorbing material, such as silicone or rubber material, which is not only wear-resistant but also can absorb vibration to reduce the noise generated by the vibration of the fuel tank body.

[0028] A plurality of oil pipe clamps 5 are provided at the edge of the upper housing 1. The external pipeline assembly is fixed on the upper surface of the upper housing 1 through the oil pipe clamps 5, ensuring the stability and neatness of the pipeline assembly. At the same time, it prevents the pipeline from shaking or falling off during vehicle driving, ensuring the safety and stability of fuel supply.

[0029] A heat insulation plate 6 is provided outside the fuel tank body. The heat insulation plate 6 covers the surface of the fuel tank body. A plurality of fixing bolts 61 are provided on the heat insulation plate 6. The heat insulation plate 6 is fixed on the surface of the fuel tank body through the fixing bolts 61. The heat insulation plate 6 can not only effectively prevent the fuel tank from being deformed by heat, but also effectively isolate the heat transfer of the fuel in the fuel tank to the vehicle body, improving the energy efficiency and safety of the fuel system.

[0030] The working principle of the present utility model is as follows: During use, fuel enters the lower housing 2 through the fuel filling port 11. The one-way valve ensures that the fuel can only flow into the fuel tank unidirectionally, preventing backflow. The fuel is stored in the fuel tank. When the engine needs fuel, the electric fuel pump starts to work from the fuel pump seat 3, sucking the fuel out of the fuel tank. After the fuel is filtered by the fuel filter to remove impurities, it is transported to the engine through the external pipeline assembly for combustion use;

[0031] During vehicle driving, due to factors such as uneven road surfaces and engine vibrations, the fuel tank will generate vibrations and noises. The shock pads 8 on the upper bracket 7 and the lower support frame 9 can effectively absorb and disperse these vibrations, reducing the vibration transmission to the vehicle body, thereby reducing noises.

[0032] The sound-absorbing cotton outside the fuel tank body further absorbs noises, isolating the noises generated by the fuel tank from entering the vehicle interior.

[0033] The above-mentioned embodiments are only the preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model fall within the scope of protection required by the present utility model.

Claims

1. A silent and noise-reducing automobile fuel tank, comprising a fuel tank body, the fuel tank body comprising an upper shell (1) and a lower shell (2), the upper shell (1) and the lower shell (2) being fixedly connected, the upper shell (1) being provided with a fuel pump holder (3) and an external pipeline assembly, the fuel pump holder (3) being connected to the interior of the upper shell (1), a fuel filling port (11) being provided on a side wall of the lower shell (2), the fuel filling port (11) being connected to the interior of the lower shell (2), a one-way valve being provided inside the fuel filling port (11), characterized in that: A plurality of upper brackets (7) are provided on the surface of the upper shell (1); the upper brackets (7) are fixed on the surface of the upper shell (1); and shock-absorbing pads (8) are provided on the upper surfaces of the upper brackets (7); The lower end of the lower shell (2) is provided with three lower support frames (9), the lower support frames (9) are in the shape of an "I" character, and the lower surface of the lower support frames (9) is provided with shock-absorbing pads (8), and the shock-absorbing pads (8) are bonded to the upper bracket (7) and the lower support frames (9).

2. The silent and noise-reducing automobile fuel tank according to claim 1, characterized in that: Sound-absorbing cotton is bonded to the oil tank body, and the sound-absorbing cotton covers the entire oil tank body.

3. The silent and noise-reducing automobile fuel tank according to claim 2, characterized in that: The surface of the shock-absorbing pad (8) is provided with a plurality of anti-skid grooves (81), the anti-skid grooves (81) are evenly and equidistantly arranged, and the shock-absorbing pad (8) is made of silica gel.

4. The silent and noise-reducing automobile fuel tank according to claim 3 is characterized in that: A plurality of oil pipe clamps (5) are provided at the edge of the upper shell (1), and the external pipeline assembly is fixed to the upper surface of the upper shell (1) via the oil pipe clamps (5).

5. The silent and noise-reducing automobile fuel tank according to claim 4, characterized in that: A heat insulation board (6) is provided outside the oil tank body, and the heat insulation board (6) covers the surface of the oil tank body. A plurality of fixing bolts (61) are provided on the heat insulation board (6), and the heat insulation board (6) is fixed to the surface of the oil tank body by the fixing bolts (61).

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