A floor structure with integrally rolled side beams and floor, and a truck

Abstract

The utility model discloses a bottom plate structure and a truck in which a side beam and a bottom plate are integrally roll-formed, and relates to the field of automobile manufacturing technology. The bottom plate structure comprises two flat plates arranged horizontally opposite to each other on the left and right sides, the inner sides of the two flat plates are welded to form a weld, the outer sides of the two flat plates are vertically bent downward to form a side plate, and the lower end of the side plate is horizontally bent inward to form a folded edge. The utility model adopts a bottom plate structure integrally roll-formed by the side beam and the bottom plate to improve the flatness and aesthetics of the bottom plate, reduce welding deformation and improve production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile manufacturing, in particular to a bottom plate structure in which a side beam and a bottom plate are integrally roll-formed, and a truck. Background Art

[0002] See also Figure 1 and Figure 2 As described above, the conventional bottom plate assembly frame and bottom plate skin are overlap-welded, and a step is formed on the bottom plate, making the bottom plate uneven, which not only affects the flatness and aesthetics of the product, but also causes welding deformation and affects production efficiency. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a bottom plate structure and a truck in which the side beams and the bottom plate are roll-formed as a whole. The bottom plate structure in which the side beams and the bottom plate are roll-formed as a whole can improve the flatness and aesthetics of the bottom plate, reduce welding deformation and improve production efficiency.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a bottom plate structure in which the side beam and the bottom plate are integrally roll-formed, including two flat plates arranged horizontally opposite to each other on the left and right sides, the inner sides of the two flat plates are welded to form a weld, the outer sides of the two flat plates are bent vertically downward to form side plates, and the lower ends of the side plates are bent horizontally inward to form a folded edge portion.

[0005] The utility model also provides a bottom plate structure in which the side beam and the bottom plate are integrally roll-formed, comprising two flat plates arranged horizontally opposite to each other on the left and right sides, a connecting plate being arranged between the two flat plates, the two ends and the height of the connecting plate being flush with the flat plates, and the two side edges of the connecting plate being respectively welded to the inner side edges of the two flat plates to form welds; the outer side edges of the two flat plates are both vertically bent downward to form side plates, and the lower ends of the side plates are horizontally bent inward to form folded edges.

[0006] A further improvement is that the free end of the folded edge portion is bent upward to form a flange portion.

[0007] A further improvement is that a gap is provided between the end of the flange portion and the flat plate.

[0008] The utility model also provides a truck, comprising a frame, on which the above-mentioned bottom plate structure is arranged.

[0009] Further improvements are: a door frame is provided at the front end of the base plate structure, rear columns are provided on both sides of the rear end of the base plate structure, and a number of side columns are provided on both sides of the base plate structure; side flaps are provided between the door frame and adjacent side columns, between the rear columns and adjacent side columns, and between adjacent side columns; a rear flap is provided between the two rear columns.

[0010] A further improvement is that the lower sides of the side flaps and the rear flaps are connected to the bottom plate structure via hinges, and a chain is provided between the rear flap and the rear pillar.

[0011] A further improvement is that locking mechanisms are provided on the upper sides of the side flaps and the rear flaps.

[0012] A further improvement is that a wrap angle is provided at the lower end of the door frame, and reinforcing plates are provided at the lower ends of the side columns and the rear columns.

[0013] Further improvements are: the corner wrap includes a plate body connected to the side plate of the bottom plate structure, the front side of the plate body is bent inward to form a baffle, and a first bevel is provided at the lower end of the rear side of the plate body; the upper side of the plate body extends upward to form an extension part connected to the door frame, and a second bevel is provided on the front side of the extension part.

[0014] The beneficial effects of the utility model are:

[0015] The utility model adopts a bottom plate structure in which the side beams and the bottom plate are integrally rolled to improve the flatness and aesthetics of the bottom plate, reduce welding deformation and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A top view of an existing base plate structure in the background technology;

[0017] Figure 2 It is a front view of the existing base plate structure in the background technology.

[0018] Figure 3 It is a top view of the bottom plate structure in the first embodiment of the utility model;

[0019] Figure 4 This is a front view of the bottom plate structure in the first embodiment of the utility model;

[0020] Figure 5 It is a three-dimensional diagram of the bottom plate structure in the first embodiment of the present utility model.

[0021] Figure 6 This is a front view of the bottom plate structure in the second embodiment of the present utility model;

[0022] Figure 7 It is a three-dimensional diagram of the bottom plate structure in the second embodiment of the present utility model.

[0023] Figure 8 It is a top view of the bottom plate structure in the third embodiment of the present utility model;

[0024] Fig. 9 This is a front view of the bottom plate structure in the third embodiment of the present utility model;

[0025] Fig.10It is a three-dimensional diagram of the bottom plate structure in the third embodiment of the present utility model.

[0026] Fig.11 This is a front view of the bottom plate structure in the fourth embodiment of the present utility model.

[0027] Fig.12 This is a schematic diagram of the structure of a truck in the utility model;

[0028] Fig.13 It is a rear view of the truck in the utility model;

[0029] Fig.14 It is a structural schematic diagram of the corner wrapping in the utility model;

[0030] Fig.15 It is a top view of the corner wrap in the present invention.

[0031] Reference numerals:

[0032] 1-flat plate; 11-side plate; 12-folded edge; 13-flange; 2-weld; 3-frame; 4-connecting plate; 5-door frame; 51-rear column; 52-side column; 53-side flap; 54-rear flap; 55-chain; 56-hinge; 6-reinforcement plate; 7-locking mechanism; 8-corner wrap; 81-plate body; 82-baffle; 83-extension; 84-first bevel; 85-second bevel. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0034] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0036] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0037] Embodiment 1 (Type C)

[0038] See also Figure 3 to Figure 5 As shown, an embodiment of the utility model provides a bottom plate structure in which side beams and a bottom plate are integrally roll-formed, comprising two flat plates 1 arranged horizontally opposite to each other on the left and right sides, the inner sides of the two flat plates 1 are welded to form a weld 2, the outer sides of the two flat plates 1 are vertically bent downward to form a side plate 11, and the lower end of the side plate 11 is horizontally bent inward to form a folded edge portion 12.

[0039] Embodiment 2 (G type)

[0040] See also Figure 6-7 As shown, the structure of this embodiment is basically the same as that of the first embodiment, with the only difference being that in this embodiment, the free end of the folded edge portion 12 is bent upward to form a flange portion 13, and a gap is provided between the end of the flange portion 13 and the flat plate 1.

[0041] Embodiment 3 (Type C)

[0042] See also Figure 8 to Figure 10 As shown, an embodiment of the utility model provides a bottom plate structure in which a side beam and a bottom plate are integrally roll-formed, comprising two flat plates 1 arranged horizontally opposite to each other on the left and right sides, a connecting plate 4 is arranged between the two flat plates 1, both ends and heights of the connecting plate 4 are flush with the flat plates 1, and both side edges of the connecting plate 4 are respectively welded to the inner sides of the two flat plates 1 to form welds 2; the outer sides of the two flat plates 1 are vertically bent downward to form side plates 11, and the lower ends of the side plates 11 are horizontally bent inward to form folded edges 12.

[0043] Embodiment 4 (G type)

[0044] See also Fig.11 As shown, the structure of this embodiment is basically the same as that of the third embodiment, with the only difference being that in this embodiment, the free end of the folded edge portion 12 is bent upward to form a flange portion 13, and a gap is provided between the end of the flange portion 13 and the flat plate 1.

[0045] In the above four embodiments, the G-type frame is stronger than the C-type frame, but the processing difficulty is also higher; the base plate splicing using one weld and two welds each has its advantages and disadvantages. The one-weld splicing has fewer welds, but the equipment is large and the investment is large, while the structural equipment investment of two welds is relatively small.

[0046] See also Fig.12 and Fig.13 As shown, the utility model also provides a truck, including a frame 3, on which the above-mentioned floor structure is arranged. Specifically, a door frame 5 is arranged at the front end of the floor structure, rear columns 51 are arranged at both sides of the rear end of the floor structure, and a plurality of side columns 52 are arranged at both sides of the floor structure. Side flaps 53 are arranged between the door frame 5 and the adjacent side columns 52, between the rear column 51 and the adjacent side columns 52, and between the adjacent side columns 52; and a rear flap 54 is arranged between the two rear columns 51. The lower side of the side flap 53 and the lower side of the rear flap 54 are connected to the floor structure through hinges 56, and a chain 55 is arranged between the rear flap 54 and the rear column 51. Locking mechanisms 7 are arranged on the upper sides of the side flap 53 and the rear flap 54. A wrap angle 8 is arranged at the lower end of the door frame 5, and a reinforcing plate 6 is arranged at the lower ends of the side columns 52 and the rear column 51.

[0047] See also Fig.14 and Fig.15 As shown, the corner wrap 8 includes a plate body 81 connected to the bottom plate structure side plate 11, the front side of the plate body 81 is bent inward to form a baffle 82, and a first bevel 84 is provided at the lower end of the rear side of the plate body 81; the upper side of the plate body 81 extends upward to form an extension portion 83 connected to the door frame 5, and a second bevel 85 is provided on the front side of the extension portion 83.

[0048] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0049] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A floor structure in which the side beam and the floor are integrally formed by roll forming, comprising two flat plates (1) arranged horizontally opposite to each other, characterized in that: The inner sides of the two flat plates (1) are welded to form a weld (2), the outer sides of the two flat plates (1) are vertically bent downward to form a side plate (11), and the lower end of the side plate (11) is horizontally bent inward to form a folded edge portion (12).

2. A bottom plate structure in which the side beam and the bottom plate are integrally formed by roll forming, comprising two flat plates (1) arranged horizontally opposite to each other on the left and right sides, characterized in that: A connecting plate (4) is provided between the two flat plates (1); both ends and height of the connecting plate (4) are flush with the flat plates (1), and both side edges of the connecting plate (4) are respectively welded to the inner side edges of the two flat plates (1) to form weld seams (2); the outer side edges of the two flat plates (1) are vertically bent downward to form side plates (11), and the lower ends of the side plates (11) are horizontally bent inward to form folded edges (12).

3. The bottom plate structure in which the side beam and the bottom plate are integrally roll-formed according to claim 1 or 2, characterized in that: The free end of the folded edge portion (12) is bent upward to form a flange portion (13).

4. The bottom plate structure in which the side beam and the bottom plate are integrally roll-formed according to claim 3 is characterized in that: There is a gap between the end of the flange portion (13) and the flat plate (1).

5. A truck, comprising a frame (3), characterized in that: The vehicle frame (3) is provided with a bottom plate structure as claimed in any one of claims 1 to 4.

6. The truck according to claim 5, characterized in that: A door frame (5) is arranged at the front end of the base plate structure, rear columns (51) are arranged on both sides of the rear end of the base plate structure, and a plurality of side columns (52) are arranged on both sides of the base plate structure. Side flaps (53) are arranged between the door frame (5) and adjacent side columns (52), between the rear columns (51) and adjacent side columns (52), and between adjacent side columns (52); and a rear flap (54) is arranged between the two rear columns (51).

7. The truck according to claim 6, characterized in that: The lower sides of the side flaps (53) and the rear flaps (54) are connected to the bottom plate structure via hinges (56), and a chain (55) is provided between the rear flap (54) and the rear pillar (51).

8. The truck according to claim 6, characterized in that: The upper sides of the side flap (53) and the rear flap (54) are both provided with locking mechanisms (7).

9. The truck according to claim 6, characterized in that: The lower end of the door frame (5) is provided with a wrap angle (8), and the lower ends of the side columns (52) and the rear columns (51) are both provided with a reinforcing plate (6).

10. The truck according to claim 9, characterized in that: The corner wrap (8) includes a plate body (81) connected to the side plate (11) of the bottom plate structure, the front side of the plate body (81) is bent inward to form a baffle (82), and the lower end of the rear side of the plate body (81) is provided with a first bevel (84); the upper side of the plate body (81) extends upward to form an extension portion (83) connected to the door frame (5), and the front side of the extension portion (83) is provided with a second bevel (85).

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