Pipe, power battery bearing frame and vehicle

Abstract

The utility model provides a pipe, a power battery bearing frame and a vehicle. The pipe has a hollow structure, and the cross section of the pipe comprises a plurality of first parts which respectively extend along at least one part of a first outline; and a plurality of second portions each extending along a second profile, and each second portion coupled between adjacent first portions; wherein the second profile has a different shape than the first profile of the first portion, and the second profile is configured to be recessed toward an interior of the first profile, or to be convex toward an exterior of the first profile. The pipe, the power battery bearing frame and the vehicle have the advantages of being simple in structure, convenient to manufacture, easy to implement and the like.

Description

Technical Field

[0001] The present invention relates to the field of pipe structures. More specifically, the present invention relates to a pipe having an improved strength structure. The present invention also relates to a power battery carrying frame comprising the above-mentioned pipe, and a vehicle comprising the above-mentioned power battery carrying frame. Background Art

[0002] Pipes or profiles are widely used in industry and construction. There are three common profile structures on the market: round tubes, square tubes and rectangular tubes, and their corresponding cross-sectional structures are round, square and non-square rectangles. In practical applications, in order to improve the strength and rigidity of the profile, a common method is to increase the cross-sectional size, increase the thickness of the tube wall, etc. This type of design not only consumes more materials, but also increases the weight of the pipe. In some weight-sensitive application scenarios, such as vehicle-mounted parts with strict weight requirements, this type of single-section profile structure is difficult to meet lightweight application requirements. Therefore, there is a continuous demand for new profile designs and their applications in this field. Utility Model Content

[0003] In view of this, the present invention provides a pipe, thereby solving or at least alleviating one or more of the above-mentioned problems and other problems existing in the prior art. The present invention also provides a power battery support frame, which includes the above-mentioned pipe. The present invention additionally provides a vehicle, which includes the above-mentioned power battery support frame.

[0004] In order to achieve the aforementioned object, a first aspect of the present invention provides a pipe having a hollow structure, and a cross-section thereof is configured to include:

[0005] a plurality of first portions, each extending along at least a portion of the first contour; and

[0006] A plurality of second parts respectively extending along the second contour, and each second part is connected between adjacent first parts;

[0007] The second contour has a shape different from the first contour of the first portion, and the second contour is configured to be concave toward the inside of the first contour, or convex toward the outside of the first contour.

[0008] In the above tube, optionally, the first outline is a closed geometric shape and has one of the following shapes: square, rectangle, circle, ellipse, trapezoid, prism, triangle, regular pentagon, regular hexagon or a combination thereof.

[0009] In the previous tube, optionally, the second profile is a non-closed geometric shape and has one of the following shapes: a portion of a square, a portion of a rectangle, a portion of a circle, a portion of an ellipse, a portion of a trapezoid, a portion of a prism, a portion of a triangle, a portion of a regular pentagon, a portion of a regular hexagon, or a combination thereof.

[0010] In the above tube, optionally, the first profile includes one or more first corners, and the second portion is arranged at a position corresponding to the first corner.

[0011] In the previous tube, optionally, the first profile includes one or more straight sections, and the second portion is arranged to correspond to one of the straight sections.

[0012] In the above-mentioned pipe, optionally, the outer surface and / or inner surface of the first part and / or the second part respectively include one or more fillets, and / or one or more fillets are formed at the outer surface and / or inner surface of the transition position between the first part and the second part.

[0013] In the above pipe, optionally, the pipe is made of one of the following materials: iron, iron alloy, steel, alloy steel, aluminum alloy, composite material or a combination thereof.

[0014] In the above tube, optionally, the first part and the second part are integrally formed and have the same thickness, the first parts and the second parts are arranged alternately, and the cross section of the tube is configured to form an axisymmetric shape and include one or more axes of symmetry.

[0015] In order to achieve the aforementioned objective, a second aspect of the present invention provides a power battery carrying frame, which includes the above-mentioned pipes, and the pipes are connected to each other.

[0016] In order to achieve the aforementioned objective, a third aspect of the present invention provides a vehicle, which includes the above-mentioned power battery carrying frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The disclosure of the present invention will become more apparent with reference to the accompanying drawings. It should be understood that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings:

[0018] Figure 1 Is a cross-sectional view of an embodiment of the pipe of the present invention;

[0019] Figure 2 yes Figure 1 A perspective view of the pipe of the illustrated embodiment;

[0020] Figure 3 Is a cross-sectional view of another embodiment of the pipe of the present invention;

[0021] Figure 4 Is a cross-sectional view of another embodiment of the pipe of the present invention;

[0022] Figure 5 Is a cross-sectional view of another embodiment of the pipe of the present invention;

[0023] Figure 6 Is a front view of an embodiment of the power battery carrier frame of the present invention;

[0024] Figure 7 yes Figure 6 Left side view of the illustrated embodiment.

[0025] Figure markings: 10-tube; 20-power battery carrying frame; 100-body; 101-outer surface; 102-inner surface; 103-cavity; 110-first part; 111-first fillet; 120-second part; 121-second fillet; A1: axis of symmetry; A2: first angle; B1: extension axis; C1: first contour; C2: second contour; 200-body; 210-first part; 220-second part; 300-body; 310-first part; 320-second part; 400-body; 410-first part; 420-second part. DETAILED DESCRIPTION

[0026] With reference to the accompanying drawings and specific embodiments, the structure, composition, characteristics and advantages of the pipe, power battery carrying frame and vehicle of the present invention will be described below in an exemplary manner. However, all descriptions should not be used to form any limitation on the present invention.

[0027] For any single technical feature described or implied in the embodiments mentioned in this document, or any single technical feature displayed or implied in the accompanying drawings, the present invention still allows any combination or deletion between these technical features (or their equivalents) without any technical obstacles, and thus it should be considered that these more embodiments according to the present invention are also within the scope of the description of this document.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0029] The present invention Figure 1 and Figure 2An embodiment of the tube 10 of the present invention is shown. The tube 10 may extend along the extension direction B1-B1 and may have a hollow structure. For example, the tube 10 includes a body 100, and the body 100 may be configured to surround an internal cavity 103. The body 100 may include an outer surface 101 and an inner surface 102. The outer surface 101 may be facing the outside of the tube 10, and the inner surface 102 may be facing the cavity 103.

[0030] It should be noted that Figure 1 Solid lines are used to illustrate the shape of the body 100 of the tube 10 , and different dashed lines are used to represent the first contour C1 and the second contour C2 . Figure 2 The three-dimensional structure of an embodiment of the pipe 10 of the present invention is shown in the form of dotted lines and solid lines. Figure 2 The display can recognize the three-dimensional structure of the tube 10 without being limited to Figure 2 The method of using solid and dashed lines in the

[0031] The body 100 may include at least one first portion 110 and at least one second portion 120. The plurality of first portions 110 may extend along at least a portion of the first contour C1, respectively. The plurality of second portions 120 may extend along the second contour C2, respectively. In one embodiment, each second portion 120 may be connected between adjacent first portions 110. For example, each second portion 120 and each first portion 110 may be arranged alternately. In one embodiment, the first portion 110 and the second portion 120 are integrally formed, for example, they may be formed by machining a circular, square or rectangular tube. In one embodiment, the tube 10 may be made by processes such as extrusion, drawing, bending and welding.

[0032] Figure 1 A first contour C1 and a second contour C2 are shown with different dashed lines. The first contour C1 Figure 1 is substantially square, and the second contour C2 is Figure 1 The body 100 may include four first parts 110, each of which is arranged on one of the four sides of the first outline C1 of the square. The first outline C1 of the square may include a plurality of first angles A2, and the second outline C2 may be arranged at each first angle A2 of the first outline C1. As shown in the figure, the second outline C2 may have a shape different from the first outline C1. For example, the second outline C2 may be a part of a square, and the size of the square corresponding to the second outline C2 may be smaller than the size of the square of the first outline C1. The first part 110 and the second part 120 may have substantially the same thickness, that is, the distance between the outer surface 101 and the inner surface 102 of the body 100 may be substantially equal.

[0033] One or more rounded corners may be formed at the corner positions on the first portion 110 and the second portion 120, and one or more rounded corners may also be formed at the transition portion between the first portion 110 and the second portion 120. Such rounded corners may be arranged at the outer surface 101 of the body 100 and / or at the inner surface 102 of the body 100. For example, Figure 1 As shown in FIG. 1 , a plurality of first rounded corners 111 and a plurality of second rounded corners 121 are formed at the corner portion. The first rounded corners 111 and the second rounded corners 121 may have different radii of curvature.

[0034] The body 100 may have one or more axes of symmetry. Figure 1 A vertically extending symmetry axis A1-A1 is shown. It is easy to understand that the body 100 may also have a horizontally extending symmetry axis, a symmetry axis extending on the diagonal of the square profile of the first profile C1, etc. The first portion 110 may be axisymmetric, and the second portions 120 may also be symmetrical structures. For example, the sizes of the spaced-apart second portions 120 may be substantially equal, and the sizes of the spaced-apart first portions 110 may also be substantially equal.

[0035] Figures 3 to 5 Other embodiments of the present invention are shown. Figures 3 to 5 In the embodiment, the first contour C1 and the second contour C2 adopt different shapes and arrangements, and still obtain a cross-sectional shape with multiple symmetry axes. Figures 3 to 5 , the first parts are identified as 210, 310 and 410, the second parts are identified as 220, 32 and 420, and the bodies are identified as 200, 300 and 400, respectively.

[0036] In one embodiment, the second contour C2 may be configured to be concave toward the inside of the first contour C1, such as Figure 4 In another embodiment, the second contour C2 may be an outer protrusion toward the first contour C1, as shown in FIG. Figure 1 , 3 The first contour C1 may include one or more straight line segments, and the second contour C2 may be arranged at the straight line segments, as shown in FIG. Figure 3 , 4 and 5. Figure 3 In , the first contour C1 may be substantially square, and the second contour C2 may be a portion of a rectangle. Figure 4 In the embodiment, the first contour C1 may be a substantially square, the second contour C2 may be a portion of a circle, and the second contour C2 may be concave toward the inside of the first contour C1. Figure 5In the embodiment, the first contour C1 may be a substantially square, the second contour C2 may be a portion of a circle, and the second contour C2 may be convex toward the outside of the first contour C1. Figure 1 , 3 , 4 and 5, the outermost edges of the cross-sections of the embodiments may form the same height and width.

[0037] The pipe 10 may be made of one of the following materials: iron, iron alloy, steel, alloy steel, aluminum alloy, composite material, or a combination thereof, etc. The first contour C1 may be a closed geometric shape, and may have one of the following shapes: a square, a rectangle, a circle, an ellipse, a trapezoid, a prism, a triangle, a regular pentagon, a regular hexagon, or a combination thereof, etc. The second contour C2 may be a non-closed geometric shape or an open geometric shape, and may have one of the following shapes: a portion of a square, a portion of a rectangle, a portion of a circle, a portion of an ellipse, a portion of a trapezoid, a portion of a prism, a portion of a triangle, a portion of a regular pentagon, a portion of a regular hexagon, or a combination thereof, etc.

[0038] The present invention also provides a power battery supporting frame 20. Figure 6 and 7 As shown, the power battery carrier frame 20 can be made of a series of pipes 10. In one embodiment, the individual pipes 10 can be arranged perpendicular to each other to form a frame structure. In one embodiment, the individual pipes 10 can be connected to each other. The present invention also provides a vehicle, which includes the above-mentioned power battery carrier frame 20. In one embodiment, the vehicle can be a new energy vehicle. In one embodiment, the power battery carrier frame 20 can be used to carry lithium-ion batteries, solid-state batteries, hydrogen energy batteries, etc.

[0039] The pipe, power battery carrying frame and vehicle of the present invention have the advantages of simple structure, convenient manufacturing and easy implementation. On the one hand, the present invention can reduce the weight of the product under the premise of ensuring the strength and rigidity of the pipe. On the other hand, the present invention can improve the strength and rigidity of the pipe under the premise of the same weight. The technical solution of the present invention can be used in any industry that is sensitive to weight, such as automobiles, construction, etc.

[0040] The technical scope of the present invention is not limited to the contents of the above description. Those skilled in the art can make various deformations and modifications to the above implementation without departing from the technical idea of ​​the present invention, and these deformations and modifications should all fall within the scope of the present invention.

Claims

1. A pipe, characterized in that: The tube has a hollow structure, and its cross-section is configured to include: a plurality of first portions, each extending along at least a portion of the first contour; and A plurality of second parts, each extending along the second contour, and each of the second parts is connected between adjacent first parts; The second contour has a shape different from the first contour of the first portion, and the second contour is configured to be concave toward the inside of the first contour, or convex toward the outside of the first contour.

2. The pipe according to claim 1, characterized in that The first outline is a closed geometric shape, and has one of the following shapes: square, rectangle, circle, ellipse, trapezoid, prism, triangle, regular pentagon, regular hexagon, or a combination thereof.

3. The pipe according to claim 1, characterized in that The second outline is a non-closed geometric shape and has one of the following shapes: a portion of a square, a portion of a rectangle, a portion of a circle, a portion of an ellipse, a portion of a trapezoid, a portion of a prism, a portion of a triangle, a portion of a regular pentagon, a portion of a regular hexagon, or a combination thereof.

4. The pipe according to claim 1, characterized in that The first profile includes one or more first corners, and the second portion is arranged at a position corresponding to the first corners.

5. The pipe according to claim 1, characterized in that The first contour includes one or more straight line segments, and the second portion is arranged to correspond to one of the straight line segments.

6. The pipe according to any one of claims 1 to 5, characterized in that The outer surface and / or the inner surface of the first part and / or the second part respectively include one or more rounded corners, and / or one or more rounded corners are formed at the outer surface and / or the inner surface at the transition position between the first part and the second part.

7. The pipe according to any one of claims 1 to 5, characterized in that The pipe is made of one of the following materials: iron, iron alloy, steel, alloy steel, aluminum alloy, composite material or a combination thereof.

8. The pipe according to any one of claims 1 to 5, characterized in that The first portion and the second portion are integrally formed and have the same thickness, the first portions and the second portions are alternately arranged, and the cross section of the tube is configured to form an axisymmetric shape and include one or more axes of symmetry.

9. A power battery carrying frame, characterized in that: The invention comprises the pipe according to any one of claims 1 to 8, wherein the pipes are connected to each other.

10. A vehicle, characterized in that: Comprising the power battery carrying frame as described in claim 9.

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