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Fuel tank

A technology for fuel tanks and fuel tank caps, which is applied in the automotive field, can solve problems such as difficulty in restricting oil thieves, many anti-theft device parts, and high processing costs, and achieve the effects of improving drag coefficient, low processing costs, and simple structure

Inactive Publication Date: 2012-02-22
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to adding a lock on the fuel tank cap, the existing fuel tank mainly realizes the anti-theft function by optimizing the fuel tank cap. The starting point is also to prevent fuel thieves from opening the fuel tank cap. Assume that it is basically difficult to limit fuel thieves. As long as fuel thieves break the lock or fuel tank cap, they can easily reach into the fuel tank through the oil suction pipe to steal fuel
In addition, the existing fuel tanks still have the problems of many anti-theft devices, complex structures, and high processing costs

Method used

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Effect test

Embodiment 1

[0039] figure 1 A schematic structural view of a fuel tank provided by an embodiment of the present invention includes: a fuel tank body 11 , a fuel filler part 12 and a fuel tank cap 13 . The fuel filler part 12 is a cylinder with an opening at the top and recessed into the interior of the fuel tank 11 along the upper surface of the fuel tank 11; figure 2 It is a structural schematic diagram of welding the fuel tank body 21 and the fuel filler part 22 of the fuel tank into one, figure 2 The upper surface of the middle fuel tank 21 is provided with a tank opening matching the top opening of the fuel filler part 22, and the top edge of the fuel filler part 22 is welded as a whole with the edge of the tank opening of the fuel tank 11; the fuel tank cover 13 Cover the top opening of the barrel.

[0040] In this embodiment, the fuel filler member 22 is preferably a cylindrical body with an open top, that is, the cross section of the fuel filler member 22 is circular, image 3...

Embodiment 2

[0046] Figure 6The specific structural diagram of the fuel tank provided by the present invention includes: a fuel tank body 61, a fuel filler part 62 and a fuel tank cover 63, and the fuel filler part 62 is opened at the top and recessed into the fuel tank along the upper surface of the fuel tank body 61 body 61 inside the cylinder; the upper surface of the fuel tank 61 has a box opening that matches the top opening of the fuel filler part 62; the top edge of the fuel filler part 62 is welded to the edge of the tank opening of the fuel tank 61 A whole; the fuel tank cap 63 covers the top opening of the barrel.

[0047] Figure 7 is an axonometric view of fuel tank filler piece 62, at Figure 7 Among them, the filler part 62 of the fuel tank is a rectangular cylinder with an open top, that is, the cross section of the filler part 62 is rectangular, and the filler part 62 is composed of a side wall 71 and a bottom surface 72, Figure 8 for Figure 7 A front view of the mid...

Embodiment 3

[0052] Figure 10 The specific structural diagram of the fuel tank embodiment provided by the present invention includes: a fuel tank body 101, a fuel filler part 102 and a fuel tank cap 103; The cylinder inside the fuel tank body 101; the upper surface of the fuel tank body 101 is provided with a tank opening that matches the top opening of the fuel filler part 102; It is welded as a whole; the fuel tank cap 103 is covered at the top opening of the barrel.

[0053] In this embodiment, the fuel filler part 102 of the fuel tank is preferably a cylinder with an open top, that is, the cross section of the cylinder is circular, Figure 11 is an axonometric view of fuel tank filler piece 102, at Figure 11 Among them, the fuel filler part 102 is composed of a side wall 111 and a bottom surface 112, Figure 12 for Figure 11 A front view of the middle fuel filler part 102, Figure 13 for Figure 11 A top view of the oil filler piece 102 in the Figure 12 , there is no through...

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PUM

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Abstract

The invention provides a fuel tank which comprises a fuel filler part, a fuel tank body and a fuel tank cover, wherein the fuel filler part is a cylinder body the top end of which is provided with an opening, the cylinder body downwards concaves into the fuel tank body along the upper surface of the fuel tank body, the upper surface of the fuel tank body is provided with a tank boxy opening matched with the opening on the top end of the fuel filler part, the edge of the top end of the fuel filler part is welded with the edge of the opening of the tank body of the fuel tank body into a whole, the fuel filler part comprises a bottom surface and a side wall, the bottom surface and / or wall of the fuel filler part is or are provided with fine through holes, and the fuel tank cover covers on the opening on the top end of the fuel filler part. The fuel tank ensures that a fuel stealer can not steel fuel even if the fuel tank cover of the fuel tank is opened.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a fuel tank. Background technique [0002] Fuel tanks play an important role in storing gasoline, diesel and other liquid fuels in fuel vehicles such as heavy trucks. However, as fuel becomes more and more expensive, fuel theft occurs from time to time. At present, in order to prevent fuel from being stolen, an unlocking function is usually set on the fuel tank cap of the fuel tank, and a new lock is added to the fuel tank cap to increase the difficulty of picking the lock for the fuel thief and prolong the time for the fuel thief to pick the lock , the starting point of its anti-theft is to prevent the fuel tanker from opening the fuel cap. In addition to adding a lock on the fuel tank cap, the existing fuel tank mainly realizes the anti-theft function by optimizing the fuel tank cap. The starting point is also to prevent fuel thieves from opening the fuel tank cap. Assume that it i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K15/04B60K15/073
Inventor 黄虹霖朱夏斌
Owner WEICHAI POWER CO LTD