Corrosion-resistant diesel oil tank

Abstract

The corrosion-resistant diesel oil tank comprises a lower tank shell and an upper tank shell, the lower tank shell and the upper tank shell are welded in a butt joint mode, an inner protruding opening is formed in the inner end of the upper tank shell and clamped into the inner side surface of the lower tank shell, inclined welding notches are formed in the outer side of the lower tank shell and the outer side of the upper tank shell, and the inner protruding opening is clamped into the inner side surface of the lower tank shell. A first anti-corrosion layer is sprayed on the inner layer of each of the lower box shell and the upper box shell, a second anti-corrosion layer is sprayed on the outer layer of each of the lower box shell and the upper box shell, an inner convex opening is formed in the upper box body to clamp the interior of the lower box shell, an inclined welding notch structure is arranged on the outer layer, welding can be conducted along the notch during welding, the welding area is large, welding is stable, the inner layer sealing performance is high, and the anti-corrosion performance is improved.

Description

Technical Field

[0001] The utility model relates to the field of corrosion-resistant diesel fuel tanks, and more specifically, to a corrosion-resistant diesel fuel tank. Background Art

[0002] The upper box body and the lower box body, an upper connecting edge is arranged at the lower end of the upper box body, a lower connecting edge is arranged at the lower end of the lower box body, the upper connecting edge and the lower connecting edge are welded to each other so as to fix the upper box body and the lower box body together, such as CN201963437U discloses a corrosion-resistant diesel engine oil tank with a long service life, comprising: an upper box body and a lower box body, an upper connecting edge is arranged at the lower end of the upper box body, a lower connecting edge is arranged at the lower end of the lower box body, the upper connecting edge and the lower connecting edge are welded to each other so as to fix the upper box body and the lower box body together;

[0003] In the above patent, welding is performed along the joint between the upper box body and the lower box body, and the sealing and corrosion resistance of the welding point is poor. After welding, it can penetrate from the inner layer to the outer layer, and the sealing and welding stability is poor, and the corrosion resistance is low. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a corrosion-resistant diesel fuel tank, in which an inner convex opening is arranged on the upper tank body to clamp the interior of the lower tank shell, and an inclined welding incision structure is arranged on the outer layer. During welding, welding can be carried out along the incision, so that the welding area is large, the welding is stable, the inner layer has strong sealing, and the corrosion resistance is improved.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A corrosion-resistant diesel fuel tank comprises a lower tank shell and an upper tank shell, the lower tank shell and the upper tank shell are butt-welded, an inner convexity is arranged at the inner end of the upper tank shell, the inner convexity is inserted into the inner surface of the lower tank shell, inclined welding incisions are arranged on the outer sides of the lower tank shell and the upper tank shell, the inner layers of the lower tank shell and the upper tank shell are sprayed with a first anti-corrosion layer, and the outer layers are sprayed with a second anti-corrosion layer, the inner convexity is arranged on the upper tank body to insert into the interior of the lower tank shell, and an inclined welding incision structure is arranged on the outer layer, so that welding can be carried out along the incision during welding, the welding area is large, the welding is stable, the inner layer has strong sealing, and the corrosion resistance is improved.

[0007] Furthermore, the first anti-corrosion layer is a ceramic anti-corrosion coating.

[0008] Furthermore, the second anti-corrosion layer adopts high temperature wear-resistant anti-corrosion paint.

[0009] Furthermore, an oil inlet is arranged on the surface of the upper box shell.

[0010] Furthermore, an oil outlet is arranged on the surface of the lower casing.

[0011] Furthermore, a supporting bottom plate is fixed to the lower surface of the lower box shell.

[0012] Furthermore, the supporting bottom plate adopts a multi-bend stainless steel plate structure.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) The upper box body is provided with an inner convex opening to engage with the interior of the lower box shell, and an inclined welding incision structure is provided on the outer layer. When welding, welding can be performed along the incision, resulting in a large welding area, stable welding, strong sealing of the inner layer, and improved corrosion resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is an enlarged view of point A of the present utility model.

[0017] Description of the numbers in the figure:

[0018] 1 lower box shell, 2 upper box shell, 3 inner protrusion, 4 inclined welding incision, 120 first anti-corrosion layer, 121 second anti-corrosion layer, 5 oil inlet, 6 oil outlet, 8 supporting bottom plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-2 A corrosion-resistant diesel fuel tank comprises a lower tank shell 1 and an upper tank shell 2, wherein the lower tank shell 1 and the upper tank shell 2 are butt-welded, and the inner layers of the lower tank shell 1 and the upper tank shell 2 are sprayed with a first anti-corrosion layer 120, and the outer layers are sprayed with a second anti-corrosion layer 121;

[0022] The first anti-corrosion layer 120 is made of ceramic anti-corrosion coating, the inner layer has strong anti-corrosion performance, and the second anti-corrosion layer 121 is made of high-temperature wear-resistant anti-corrosion paint, the outer layer has anti-corrosion and anti-wear performance;

[0023] An oil inlet 5 is arranged on the surface of the upper box shell 2, and an oil outlet 6 is arranged on the surface of the lower box shell 1;

[0024] A support bottom plate 7 is fixed to the lower surface of the lower box shell 1. The support bottom plate 7 is made of a multi-bend stainless steel plate structure, which can be supported in the air when the bottom is supported, so as to prevent the paint surface of the bottom of the lower box shell 1 from being worn and rusted;

[0025] An inner convex opening 3 is arranged at the inner end of the upper box shell 2, and the inner convex opening 3 is inserted into the inner surface of the lower box shell 1. Inclined welding incisions 4 are arranged on the outer sides of the lower box shell 1 and the upper box shell 2, so that they can be connected and inserted stably, and can be welded and fixed at the incision. The welding area is large, the welding is stable, the inner layer is supported and supported, the sealing is strong, and it will not penetrate outward, thereby improving the corrosion resistance.

[0026] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A corrosion-resistant diesel fuel tank, comprising a lower tank shell (1) and an upper tank shell (2), characterized in that: The lower box shell (1) and the upper box shell (2) are butt-welded, an inner protrusion (3) is provided at the inner end of the upper box shell (2), and the inner protrusion (3) is inserted into the inner surface of the lower box shell (1), and inclined welding cutouts (4) are provided on the outer sides of the lower box shell (1) and the upper box shell (2). The inner layers of the lower box shell (1) and the upper box shell (2) are sprayed with a first anti-corrosion layer (120), and the outer layers are sprayed with a second anti-corrosion layer (121).

2. A corrosion-resistant diesel fuel tank according to claim 1, characterized in that: The first anti-corrosion layer (120) is a ceramic anti-corrosion coating.

3. A corrosion-resistant diesel fuel tank according to claim 1, characterized in that: The second anti-corrosion layer (121) is made of high-temperature wear-resistant anti-corrosion paint.

4. A corrosion-resistant diesel fuel tank according to claim 1, characterized in that: An oil inlet (5) is arranged on the surface of the upper box shell (2).

5. The corrosion-resistant diesel tank according to claim 1, characterized in that: An oil outlet (6) is provided on the surface of the lower casing (1).

6. A corrosion-resistant diesel tank according to claim 1, characterized in that: A supporting bottom plate (7) is fixed to the lower surface of the lower box shell (1).

7. A corrosion-resistant diesel tank according to claim 6, characterized in that: The supporting bottom plate (7) adopts a multi-bend stainless steel plate structure.

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