Light container

Abstract

The utility model discloses a light cargo box, which belongs to the technical field of storage and transportation cargo boxes and comprises a chassis, upright posts are mounted at four corners of the chassis, a top frame is fixedly mounted at the upper ends of the upright posts, a top plate is welded on the top frame, a side plate is arranged between two adjacent upright posts, the upright posts are hollow tubes formed by bending plates, and the top plate is welded on the top frame. The base plate comprises a plurality of bent keel plates which are sequentially fixed together, each bent keel plate is composed of a bent plate, a bottom plate and a bent groove, a plurality of protruding edges formed in a rolling mode are arranged on the top plate at intervals, and the two ends of each protruding edge are each provided with a blocking inclined face extending to the plane of the top plate from the top face of the corresponding protruding edge. The tail ends of all the blocking inclined faces are located on the same plane to form welding edges, and a plurality of convex ribs formed in a rolling mode are arranged on the side plates at intervals. The container solves the technical problems that a traditional container is large in weight and small in bearing capacity, and is widely applied to storage and transportation containers.

Description

Technical Field

[0001] This utility model belongs to the field of storage and transportation cargo box technology, and particularly relates to a lightweight cargo box. Background Technology

[0002] Storage and transportation containers are used to transport goods, thus requiring lightweight containers to have sufficient strength and rigidity. Existing lightweight containers are welded from structural steel and steel plates, which, while meeting the performance requirements, result in excessive overall weight. This leads to a smaller cargo capacity when the load-bearing requirement is met, increasing transportation costs. Container manufacturers are constantly seeking ways to reduce the weight of lightweight containers; designing lightweight containers has always been a challenging technical problem for those skilled in the art.

[0003] Therefore, in the field of storage and transportation container technology, there is still a need for research and improvement of lightweight containers. This is a current research hotspot and focus in the field of storage and transportation container technology, and it is also the starting point for the completion of this utility model. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to provide a lightweight cargo box to solve the technical problems of traditional cargo boxes being heavy and having low load-bearing capacity.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is: a lightweight cargo box, including a chassis, with columns installed at the four corners of the chassis, a top frame fixedly installed at the upper end of each column, a top plate welded to the top frame, side plates between adjacent columns, and double doors between two columns at the rear. The columns are hollow tubes formed by bending sheet metal. The chassis includes several bent keel plates fixed together in sequence. Each bent keel plate consists of a bending plate, a bottom plate, and a bending groove. The bending plate has a connecting part perpendicular to the surface of the bottom plate and a bending part parallel to the surface of the bottom plate. The bending groove is in the same bending direction as the bending plate. The top plate is provided with several roll-formed protrusions at intervals. Both ends of each protrusion are provided with sealing slopes extending from the top surface of the protrusion to the plane of the top plate. The tail ends of all the sealing slopes are located on the same plane to form a welding edge. The side plates are provided with several roll-formed ribs at intervals.

[0006] As an improvement, the bending groove has an L-shaped receiving groove for accommodating the bent portion, and the length of the bottom of the L-shaped receiving groove from the surface of the base plate is the same as the length of the bottom surface of the bent portion from the surface of the base plate.

[0007] As a further improvement, the surface of the base plate is provided with reinforcing ribs, and the cross-sectional shape of the reinforcing ribs is U-shaped.

[0008] As a further improvement, both the protruding ridges and ribs are provided with roll-formed grooves.

[0009] As a further improvement, the double doors are equipped with a locking rod and a clamp, the locking rod passing through the clamp, and the clamp being fixedly installed to the frame and door panel of the double doors by fasteners.

[0010] As a further improvement, the clamp includes a frame mounting part and a door panel mounting part, wherein the surface of the frame mounting part and the surface of the door panel mounting part are not coplanar.

[0011] After adopting the above technical solution, the beneficial effects of this utility model are:

[0012] The lightweight cargo box provided by this utility model features a hollow structure for the uprights, which satisfies the rigidity and strength requirements of the uprights while reducing the overall weight of the material. A bent plate and bending groove are formed on the base plate to create a lightweight keel structure, which not only improves the rigidity and strength of the sheet metal and reduces the overall weight of the lightweight cargo box, but also facilitates production and construction, enabling mass production and thus reducing production costs. The top plate has protruding ribs, which further improve the rigidity and strength of the sheet metal and reduce the overall weight of the lightweight cargo box. Both ends of the protruding ribs have sealing slopes extending from the top surface of the ribs to the plane of the top plate, which prevent the ribs from being bent. The end faces are sealed to prevent rainwater from entering the cargo box through the protruding end faces. The tail ends of all the sealing slopes are located on the same plane to form welding edges. The welding edges are straight, which facilitates the welding of the top plate and the top frame, forming straight welds. This not only facilitates the welding operation but also reduces the weld length and avoids the phenomenon of missed welds or broken welds caused by uneven welds. Several roll-formed ribs are provided at intervals on the side plates, which also improves the rigidity and strength of the side plates and reduces the overall weight of the plates. In addition, the protruding edges and ribs are all roll-formed, which facilitates mass production and reduces production costs.

[0013] Because the raised ribs and ribs are provided with roll-formed grooves, the rigidity of the raised ribs and ribs is further increased, which significantly improves the rigidity of the top plate and side plate. Compared with corrugated plates of the same thickness without grooves, the deformation of the side plate and top plate is greatly reduced after the grooves are provided. At the same time, the thickness of the plate can be appropriately reduced, thus reducing the weight of the cargo box.

[0014] Because the surfaces of the frame mounting part and the door panel mounting part are not coplanar, the surface of the frame mounting part is attached to the frame surface, and the surface of the door panel mounting part is attached to the door panel surface, making the clamp installation firm and extending its service life. Attached Figure Description

[0015] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0017] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the column structure in an embodiment of this utility model;

[0019] Figure 3 This is a schematic diagram of the chassis structure in an embodiment of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the bent keel plate in an embodiment of this utility model;

[0021] Figure 5 This is a schematic diagram of the top plate structure in an embodiment of this utility model;

[0022] Figure 6 This is a schematic diagram of the side plate structure in an embodiment of this utility model;

[0023] Figure 7 This is a schematic diagram of the groove structure in an embodiment of this utility model;

[0024] Figure 8 This is a schematic diagram of the clamp structure in an embodiment of this utility model;

[0025] In the diagram: 1. Chassis, 101. Base plate, 102. Connecting part, 103. Bending part, 104. L-shaped receiving groove, 2. Column, 3. Top frame, 4. Top plate, 401. Protruding ridge, 402. Sealing slope, 403. Welded edge, 5. Side plate, 501. Protruding rib, 6. Double door, 7. Locking rod, 8. Hoop, 801. Frame mounting part, 802. Door panel mounting part, 9. Reinforcing rib, 10. Groove. Detailed Implementation

[0026] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] The terms used in this specification, such as "front," "back," "left," "right," "inner," "outer," and "middle," are merely for clarity of description and are not intended to limit the scope of implementation of this utility model. Any changes or adjustments to their relative relationships, without substantially altering the technical content, shall also be considered within the scope of implementation of this utility model.

[0028] like Figure 1 As shown, this utility model embodiment provides a lightweight cargo box, including a chassis 1. Each of the four corners of the chassis 1 is equipped with a column 2. The column 2 can be connected to the chassis 1 by fasteners or fixed to the chassis 1 by welding. Those skilled in the art can configure it as needed, which will not be elaborated here. A top frame 3 is fixedly installed at the upper end of the column 2, and a top plate 4 is welded to the top frame 3. Side plates 5 are provided between adjacent columns 2, and a double door 6 is provided between two columns 2 at the rear. Figure 2 As shown, column 2 is a hollow tube formed by bending sheet metal, and its structural strength and rigidity can meet the load-bearing capacity requirements, such as... Figure 3 As shown, chassis 1 includes several bent keel plates fixed together in sequence, such as... Figure 4As shown, the bent keel plate consists of a bent plate, a base plate 101, and a bending groove. The bent plate, base plate 101, and bending groove are integrally formed. During manufacturing, the bent plate, base plate 101, and bending groove are formed by bending steel plates. The bent plate has a connecting part 102 perpendicular to the surface of the base plate 101 and a bending part 103 parallel to the surface of the base plate 101. The connecting part 102 and the base plate 101, and the connecting part 102 and the bending part 103 are both right angles. The bending groove and the bending plate are bent in the same direction. The bending groove has an L-shaped receiving groove 104 to accommodate the bent portion 103. During manufacturing, the bent portions 103 of several bent keel plates are placed sequentially in the L-shaped receiving groove 104 and welded together. The length of the bottom of the L-shaped receiving groove 104 from the surface of the base plate 101 is the same as the length of the bottom surface of the bent portion 103 from the surface of the base plate 101, ensuring that the base plates 101 of all welded bent keel plates remain on the same plane, simplifying the processing technology and facilitating construction. This structure bends and forms a bent plate and bending groove on the base plate 101, creating a lightweight keel structure. This not only improves the rigidity and strength of the plates and reduces the overall weight of the lightweight cargo box, but also facilitates production and construction, enabling mass production and thus reducing production costs.

[0029] The surface of the base plate 101 is provided with reinforcing ribs 9. The cross-sectional shape of the reinforcing ribs 9 is U-shaped. The open side of the reinforcing ribs 9 faces the base plate 101. After the reinforcing ribs 9 are combined with the surface of the base plate 101, they form a closed U-shaped structure, which increases the rigidity and strength of the base plate 101.

[0030] like Figure 5 As shown, the top plate 4 is provided with several roll-formed protruding ribs 401 at intervals. Those skilled in the art can determine the number of protruding ribs 401 based on the size of the top plate 4, the width of the protruding ribs 401, and the intervals between them. Both ends of each protruding rib 401 are provided with sealing slopes 402 extending from the top surface of the protruding rib 401 to the plane of the top plate 4. The sealing slopes 402 seal the end faces of the protruding ribs 401, preventing rainwater from entering the cargo box through the end faces of the protruding ribs 401. The tail ends of all sealing slopes 402 are located on the same plane, forming welding edges 403. The welding edges 403 are straight edges, facilitating welding between the top plate 4 and the top frame 3 to form straight welds. This not only facilitates welding operations but also reduces weld length and avoids uneven welds that could lead to missed welds or broken welds. Figure 6 As shown, the side plate 5 is provided with several roll-formed ribs 501 at intervals, such as... Figure 7 As shown, both the protruding rib 401 and the protruding spur 501 are provided with roll-formed grooves 10, which further increases the rigidity of the protruding rib 401 and the protruding spur 501, and significantly improves the rigidity of the top plate 4 and the side plate 5. Compared with the corrugated plate of the same thickness without grooves, the deformation of the side plate 5 and the top plate 4 is greatly reduced after the grooves 10 are provided. At the same time, the thickness of the plate can be appropriately reduced, and the weight of the cargo box can be reduced.

[0031] The double door 6 is equipped with a locking rod 7. Locking the double door 6 with the locking rod 7 is a common technique in the art and will not be elaborated further here. The double door 6 is also equipped with a clamp 8, through which the locking rod 7 passes. The clamp 8 is fixedly installed to the frame and door panel of the double door 6 by fasteners. Due to the height difference between the frame and door panel, the clamp 8 is difficult to fit tightly, causing it to easily loosen and shift during use. To solve this technical problem, the inventors of this application, through inventive effort, have adopted the following technical solution, such as... Figure 8 As shown, the clamp 8 includes a frame mounting part 801 and a door panel mounting part 802. The surface of the frame mounting part 801 and the surface of the door panel mounting part 802 are not coplanar. The surface of the frame mounting part 801 is attached to the frame surface, and the surface of the door panel mounting part 802 is attached to the door panel surface, so that the clamp 8 is firmly installed and its service life is extended.

[0032] Although the present invention has been described in detail above with general descriptions and specific embodiments, some modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A lightweight cargo box, comprising a chassis, wherein uprights are installed at each of the four corners of the chassis, a top frame is fixedly installed at the upper end of each upright, a top plate is welded to the top frame, side plates are provided between adjacent uprights, and double doors are provided between two uprights at the rear, characterized in that, The column is a hollow tube formed by bending sheet metal. The chassis includes several bent keel plates fixed together in sequence. The bent keel plate is composed of a bending plate, a base plate, and a bending groove. The bending plate has a connecting part perpendicular to the surface of the base plate and a bending part parallel to the surface of the base plate. The bending groove is consistent with the bending direction of the bending plate. The top plate is provided with several roll-formed protrusions at intervals. Both ends of the protrusions are provided with sealing slopes extending from the top surface of the protrusions to the plane of the top plate. The tail ends of all the sealing slopes are located on the same plane to form a welding edge. The side plates are provided with several roll-formed ribs at intervals.

2. The lightweight cargo box according to claim 1, characterized in that, The bending groove has an L-shaped receiving groove for accommodating the bent portion, and the length of the bottom of the L-shaped receiving groove from the surface of the base plate is the same as the length of the bottom surface of the bent portion from the surface of the base plate.

3. The lightweight cargo box according to claim 2, characterized in that, The surface of the base plate is provided with reinforcing ribs, and the cross-sectional shape of the reinforcing ribs is U-shaped.

4. The lightweight cargo box according to claim 1, characterized in that, The protruding ridges and ribs are all provided with roll-formed grooves.

5. The lightweight cargo box according to any one of claims 1 to 4, characterized in that, The double doors are equipped with a locking rod and a clamp. The locking rod passes through the clamp, and the clamp is fixedly installed to the frame and door panel of the double doors by fasteners.

6. The lightweight cargo box according to claim 5, characterized in that, The clamp includes a frame mounting part and a door panel mounting part, wherein the surface of the frame mounting part and the surface of the door panel mounting part are not coplanar.

Images