Fuel tank reinforcing structure

Abstract

The utility model relates to the technical field of fuel tanks, and provides a fuel tank reinforcing structure which comprises a fuel tank supporting column used for being arranged in a fuel tank, the fuel tank supporting column is provided with a through hole formed along the axial center line, and the fuel tank supporting column comprises an upper column body, a lower column body and a first supporting column. One end of the first supporting column is hinged to the inner wall of the penetrating hole, the hinge point is located on the lower column body, and the other end of the first supporting column is movably arranged on the inner wall of the pipe penetrating hole and movably arranged on the upper column body. By means of the technical scheme, the problem that in the prior art, pressure change in the fuel tank influences the strength of the supporting column is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel tanks, and specifically, to a fuel tank strengthening structure. Background Art

[0002] The fuel tank is a carrier for storing fuel on an automobile. With the progress of current automobile technology and the requirements of new energy vehicles, the load and strength requirements of the fuel tank have been greatly improved. Also, because the oil in the inner wall of the fuel tank of a new energy vehicle has pressure, traditional fuel tanks are very easy to break, causing fuel leakage. Therefore, support columns need to be installed inside the existing fuel tank. And because the pressure of the oil in the fuel tank changes continuously, the impact forces received by the support columns are different. This means that the support columns are deformed by different amounts at any time, and the deformation is very likely to affect the overall strength of the support columns. Therefore, we need a solution to solve the above technical problems. Summary of the Utility Model

[0003] The utility model provides a fuel tank strengthening structure, which solves the problem that the change in the pressure inside the fuel tank in the related art affects the strength of the support columns.

[0004] The technical solution of the utility model is as follows: A fuel tank strengthening structure includes a fuel tank support column, which is used to be arranged inside the fuel tank. The fuel tank support column has a through hole arranged along the axial center line. The fuel tank support column includes an upper column body and a lower column body, and further includes,

[0005] A first support column, one end of the first support column is hinged to the inner wall of the through hole, and the hinge point is located on the lower column body. The other end of the first support column is movably arranged on the inner wall of the through hole, and the other end of the first support column is movably arranged on the upper column body.

[0006] Optionally, there are several first support columns, and several first support columns are distributed along the circumferential direction of the through hole, and several first support columns are staggered.

[0007] Optionally, the upper column body and the lower column body are symmetrically arranged. The cross-sectional areas of the upper column body and the lower column body gradually decrease from both ends to the middle, and the cross-sections of the upper column body and the lower column body are polygons.

[0008] Optionally, the inner wall of the upper column body has several limiting grooves, several limiting grooves are distributed along the circumferential direction, and the limiting grooves are distributed along the axial direction. The movable end of the first support column has a moving part, and the moving part is slidably arranged in the limiting groove.

[0009] Optionally, it further includes a connecting flange. There are two connecting flanges, and the two connecting flanges are respectively connected to the upper column body and the lower column body. The connecting flange is used to be connected to the inner wall of the fuel tank.

[0010] Optionally, one end of the connecting flange away from the fuel tank support column has a number of protrusions, and the number of protrusions are evenly distributed on the connecting flange.

[0011] Optionally, it further includes a number of reinforcing ribs, and the reinforcing ribs are arranged on the inner wall of the through hole.

[0012] Optionally, both the upper column body and the lower column body have communication ports, and the communication ports are used to connect the pipe through holes and the outside of the fuel tank support column.

[0013] The working principle and beneficial effects of the present utility model are as follows:

[0014] In the present utility model, in order to solve the above technical problems, a fuel tank strengthening structure is proposed, which includes a fuel tank support column for being arranged inside the fuel tank. The fuel tank support column has a through hole arranged along the axial center line. The fuel tank support column includes an upper column body and a lower column body, and further includes a first support column. One end of the first support column is hingedly arranged on the inner wall of the through hole, and the hinge point is located on the lower column body. The other end of the first support column is movably arranged on the inner wall of the pipe through hole, and the other end of the first support column is movably arranged on the upper column body.

[0015] During operation, connection flanges are installed at both ends of the fuel tank support column when in use, and the connection flanges are connected to the inside of the fuel tank by welding for supporting the fuel tank. A pipe through hole is arranged inside the fuel tank support column, which can reduce the weight of the fuel tank support column and also ensure that the internal and external pressures at the welding points are consistent during installation. A first support column is arranged inside the fuel tank support column, and one end of the first support column can move.

[0016] Beneficial effects: When the fuel tank support column is deformed under different pressures during operation, it can be adjusted by the first support column, and it can also play a supporting role when the pressure inside the fuel tank is too high, preventing the fuel tank support column from being damaged and causing the fuel tank to deform. Description of the Drawings

[0017] The following will further illustrate the above characteristics, technical features, advantages and their implementation manners of the present utility model in a clear and understandable manner in combination with the drawings of the preferred embodiments.

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a schematic top view structural diagram of the present utility model;

[0020] Figure 3 is the present utility model Figure 2 Schematic cross-sectional view taken along the A-A section in;

[0021] In the figure: 1. Fuel tank support column; 2. Through hole; 3. Upper column body; 4. Lower column body; 5. First support column; 6. Limit groove; 7. Moving part; 8. Connecting flange; 9. Protrusion; 10. Reinforcing rib; 11. Communication port. Detailed implementation mode

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the specific implementation modes of the present invention will be described below with reference to the attached drawings. Obviously, the attached drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings, and other implementation modes can also be obtained.

[0023] To make the drawings concise, only the parts related to the utility model are schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, components with the same structure or function are only schematically shown as one of them, or only one of them is marked. In this article, "one" not only means "only this one", but also means "more than one" situation, and "several" includes "two" and "more than two".

[0024] In this article, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0025] In addition, in the description of this application, the terms "first", "second", etc. are only used for distinguishing descriptions, and cannot be understood as indicating or implying relative importance.

[0026] Embodiment 1

[0027] Refer to Figures 1 to 3 , which is the first embodiment of the present invention. A fuel tank strengthening structure is proposed, including a fuel tank support column 1. The fuel tank support column 1 is used to be arranged inside the fuel tank. The fuel tank support column 1 has a through hole 2 arranged along the axial center line. The fuel tank support column 1 includes an upper column body 3 and a lower column body 4, and further includes

[0028] The first support column 5, one end of the first support column 5 is hinged on the inner wall of the through hole 2, the hinge point is located on the lower column body 4, the other end of the first support column 5 is movably arranged on the inner wall of the through hole 2, and the other end of the first support column 5 is movably arranged on the upper column body 3.

[0029] In this embodiment, to solve the above technical problems, a fuel tank strengthening structure is proposed, including a fuel tank support column 1 for being arranged in the fuel tank. The fuel tank support column 1 has a through hole 2 arranged along the axial center line. The fuel tank support column 1 includes an upper column body 3 and a lower column body 4, and further includes a first support column 5. One end of the first support column 5 is hinged on the inner wall of the through hole 2, the hinge point is located on the lower column body 4, the other end of the first support column 5 is movably arranged on the inner wall of the pipe through hole, and the other end of the first support column 5 is movably arranged on the upper column body 3.

[0030] During operation, when the fuel tank support column 1 is in use, connecting flanges 8 are installed at both ends. The connecting flanges 8 are connected to the inside of the fuel tank by welding for supporting the fuel tank. A pipe through hole is arranged inside the fuel tank support column 1, which can reduce the weight of the fuel tank support column 1 and can also ensure that the internal and external pressures at the welding points are consistent during installation. A first support column 5 is arranged inside the fuel tank support column 1, and one end of the first support column 5 can move. When the fuel tank support column 1 is deformed under different pressures during operation, it can be adjusted through the first support column 5, and it can also play a supporting role when the pressure inside the fuel tank is too large to prevent the fuel tank support column 1 from being damaged and causing the fuel tank to deform.

[0031] Embodiment 2

[0032] Compared with Embodiment 1, further, there are several first support columns 5. Several first support columns 5 are distributed along the circumferential direction of the through hole 2, and several first support columns 5 are staggered. The inner wall of the upper column body 3 has several limiting grooves 6. Several limiting grooves 6 are distributed along the circumferential direction, and the limiting grooves 6 are distributed along the axial direction. The moving end of the first support column 5 has a moving part 7, and the moving part 7 is slidably arranged in the limiting groove 6.

[0033] In this embodiment, multiple first support columns 5 are provided, and multiple corresponding limiting grooves 6 are provided, which can allow the first support columns 5 to adjust the fuel tank support column 1 from multiple directions. The moving part 7 can be a moving block to ensure that one end of the first support column 5 moves in the limiting groove 6 and does not break away from the limiting groove 6, improving the stability of the fuel tank support column 1.

[0034] Embodiment 3

[0035] Further, compared with Embodiments 1-2, the upper column body 3 and the lower column body 4 are symmetrically arranged. The cross-sectional areas of the upper column body 3 and the lower column body 4 gradually decrease from both ends to the middle, and the cross-sections of the upper column body 3 and the lower column body 4 are polygons.

[0036] In this embodiment, the fuel tank support column 1 is integrally formed, but it can be symmetric according to the position with a smaller middle cross-section. The main purpose is to make the strength of both ends of the fuel tank support column 1 higher than that of the middle part, preventing the fuel tank support column 1 from breaking at both ends, so that the fuel tank connected to both ends is damaged. Setting the cross-section of the fuel tank support column 1 as a polygon can reduce the resistance during fuel operation.

[0037] Embodiment 4

[0038] Further, compared with Embodiments 1-3, there are also two connecting flanges 8. The two connecting flanges 8 are respectively connected to the upper column body 3 and the lower column body 4, and the connecting flanges 8 are used to connect to the inner wall of the fuel tank.

[0039] One end of the connecting flange 8 away from the fuel tank support column 1 has a number of protrusions 9, and the number of protrusions 9 is evenly distributed on the connecting flange 8.

[0040] In this embodiment, the connecting flange 8 and the fuel tank support column 1 can be formed by secondary injection molding. Protrusions 9 are provided on the connecting surface of the connecting flange 8 and the fuel tank. Setting the protrusions 9 can increase the contact area. After the fuel tank support column 1 is inserted into the fuel tank during the installation process, it melts and is integrated with the inner wall of the fuel tank, ensuring the connection strength between the fuel tank support column 1 and the fuel tank.

[0041] Embodiment 5

[0042] Further, compared with Embodiments 1-4, there are also a number of reinforcing ribs 10, and the reinforcing ribs 10 are arranged on the inner wall of the through hole 2. Both the upper column body 3 and the lower column body 4 have communication ports 11, and the communication ports 11 are used to connect the pipe through holes and the outside of the fuel tank support column 1.

[0043] In this embodiment, the reinforcing ribs 10 are arranged on the inner wall of the pipe through hole, which can increase the strength of the fuel tank support column 1. The communication ports 11 ensure that the internal and external pressures of the fuel tank support column 1 are the same during the installation process of the fuel tank support column 1 in the fuel tank.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A fuel tank strengthening structure, including a fuel tank support column (1), the fuel tank support column (1) is used to be arranged inside the fuel tank, the fuel tank support column (1) has a through hole (2) arranged along the axial center line, the fuel tank support column (1) includes an upper column body (3) and a lower column body (4), and is characterized in that, Further included is a first support column (5), one end of the first support column (5) is hingedly arranged on the inner wall of the through hole (2), the hinge point is located on the lower column body (4), the other end of the first support column (5) is movably arranged on the inner wall of the through hole (2), and the other end of the first support column (5) is movably arranged on the upper column body (3).

2. The fuel tank reinforcement structure according to claim 1, characterized in that, There are several first support columns (5), and several first support columns (5) are distributed along the circumferential direction of the through hole (2), and several first support columns (5) are staggered.

3. A fuel tank strengthening structure according to claim 1, characterized in that, The upper column body (3) and the lower column body (4) are symmetrically arranged, the cross-sectional areas of the upper column body (3) and the lower column body (4) gradually decrease from both ends to the middle, and the cross-sections of the upper column body (3) and the lower column body (4) are polygonal.

4. A fuel tank strengthening structure according to claim 1, characterized in that, The inner wall of the upper column body (3) has several limiting grooves (6), several limiting grooves (6) are distributed along the circumferential direction, the limiting grooves (6) are distributed along the axial direction, and the moving end of the first support column (5) has a moving part (7), and the moving part (7) is slidably arranged in the limiting groove (6).

5. The fuel tank reinforcement structure according to claim 1, characterized in that Further included is a connecting flange (8), there are two connecting flanges (8), the two connecting flanges (8) are respectively connected to the upper column body (3) and the lower column body (4), and the connecting flange (8) is used for connecting to the inner wall of the fuel tank.

6. The fuel tank reinforcement structure according to claim 5, characterized in that, One end of the connecting flange (8) away from the fuel tank support column (1) has several protrusions (9), and the several protrusions (9) are evenly distributed on the connecting flange (8).

7. A fuel tank strengthening structure according to claim 1, characterized in that, Further included are several reinforcing ribs (10), and the reinforcing ribs (10) are arranged on the inner wall of the through hole (2).

8. A fuel tank reinforcement structure according to claim 1, characterized in that, Both the upper column body (3) and the lower column body (4) have communication ports (11), and the communication ports (11) are used for connecting the pipe through holes and the outside of the fuel tank support column (1).

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