Container corner fitting with high bearing capacity

Abstract

The utility model discloses a high bearing capacity container corner fitting which comprises a corner fitting body, the middle position of the corner fitting body is of a hollow structure, a container body is arranged on one side of the outer portion of the corner fitting body, and a positioning seat is fixedly arranged on the outer portion, located on one side of the container body, of the corner fitting body. A positioning groove is formed in the container body, one side of the positioning seat extends into the positioning groove, second threaded holes are formed in the positions, located at the upper end and the lower end of the positioning groove, of the container body, the second threaded holes communicate with the positioning groove, first threaded holes are formed in the positioning seat, and the first threaded holes correspond to the second threaded holes in position; and the first threaded hole is of a penetrating structure, a first bolt is arranged in the second threaded hole located at the upper end of the positioning groove, and the structure solves the problems that the bearing capacity of the corner fitting is not good enough, and the fixing rod located in the corner fitting is prone to sliding when a container is carried.

Description

Technical Field

[0001] This utility model relates to the field of container corner fitting technology, specifically a high load-bearing container corner fitting. Background Technology

[0002] Container corner fittings, also known as container corner brackets, lifting corners, or foot fittings, are fasteners installed at the eight corners of a shipping container. They play a crucial role in the lifting, handling, securing, stacking, and bolting of containers. The design of container corner fittings fully considers load-bearing capacity and compatibility with the container, ensuring minimal stress during lifting and handling. They typically have multiple holes for connecting and securing other components of the container. The main function of container corner fittings is to ensure the safe transport of products, including the lifting, handling, securing, and stacking of containers. High load-bearing capacity is a key characteristic of container corner fittings.

[0003] For example, Chinese patent CN215945580U, entitled "A High Load-Bearing Capacity Anti-Corrosion Container Corner Fitting," includes a corner fitting body. The top of the corner fitting body has a lifting hole, and two adjacent side walls of the corner fitting body have through holes. The top and bottom of the corner fitting body have L-shaped reinforcing frames, and each L-shaped reinforcing frame has several evenly distributed reinforcing mechanisms. Each of the four inner corners of the corner fitting body has a support column, and each support column has a support rod near the center point of the corner fitting body. The support rods are connected by support rings, and each support rod has a waterproof reinforcing plate connected to the inner wall of the corner fitting body. The outer surface of the lifting hole has an anti-corrosion protective layer, and the reinforcing mechanism includes a slot.

[0004] While the existing technologies mentioned above can enable the use of container corner fittings, in practical applications, the corner fittings have several drawbacks. Firstly, their load-bearing capacity is insufficient. Since the corner fittings are usually fixed to the container, it is difficult to replace the corners when the container is loaded with a large amount of cargo, thus reducing the load-bearing capacity of the corner fittings. Secondly, the fixing rods located inside the corner fittings are prone to slippage when the container is being moved. The container is moved by using a crane with the fixing rods clamped inside the corner fittings, which causes the fixing rods to slip inside the corner fittings, affecting the stability of the container's movement. Therefore, these technologies do not meet current requirements. To address this, we propose a high-load-bearing container corner fitting. Utility Model Content

[0005] The purpose of this utility model is to provide a high load-bearing capacity container corner fitting to solve the problems mentioned in the background art, such as insufficient load-bearing capacity of the corner fitting and the easy slippage of the fixing rod inside the corner fitting when handling containers.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high load-bearing capacity container corner fitting, comprising a corner fitting body, the middle of which is a hollow structure, a container body being disposed on one side of the corner fitting body, a positioning seat being fixedly disposed on the outside of the corner fitting body on one side of the container body, a positioning groove being disposed inside the container body, one side of the positioning seat extending into the positioning groove, a second threaded hole being disposed inside the upper and lower ends of the container body at the positioning groove, the second threaded hole communicating with the positioning groove, a first threaded hole being disposed inside the positioning seat, the first threaded hole and the second threaded hole being correspondingly positioned, and the first threaded hole being a through structure, a first bolt being disposed inside the second threaded hole at the upper end of the positioning groove, the lower end of the first bolt passing through the first threaded hole and extending into the second threaded hole at the lower end of the positioning groove.

[0007] Preferably, a fourth threaded hole is provided at the lower end of the interior of the corner fitting body. The fourth threaded hole is a through-hole structure. A third threaded hole is provided inside the container body below the fourth threaded hole. The third threaded hole corresponds to the fourth threaded hole.

[0008] Preferably, a second bolt is disposed inside the fourth threaded hole, and the lower end of the second bolt extends into the interior of the third threaded hole.

[0009] Preferably, a vertical mounting groove is provided on one side of the interior and the side wall of the front end of the corner piece body. A vertical fixing groove is provided inside the corner piece body at one end of the vertical mounting groove, and the vertical fixing groove is connected to the vertical mounting groove. A horizontal mounting groove is provided at the upper end of the interior of the corner piece body. A horizontal fixing groove is provided inside the corner piece body at one end of the horizontal mounting groove, and the horizontal fixing groove is connected to the horizontal mounting groove.

[0010] Preferably, rubber pads are fixedly provided on the upper end, front end and other side of the corner piece body. The rubber pads are provided with connecting holes inside. The connecting holes are through-holes and correspond to the positions of the horizontal mounting groove and the vertical mounting groove, respectively.

[0011] Preferably, a wear-resistant coating is provided on the inner sidewall of the corner piece body, and the wear-resistant coating is sprayed onto the sidewall of the corner piece body by a spraying device.

[0012] Preferably, the corner piece body is made of high-quality steel with a steel grade of Q345B.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model improves the load-bearing capacity of corner fittings by using a positioning seat and a positioning groove. When replacing different corner fitting bodies according to different cargo loads, first align the positioning seat on the new corner fitting body with the opening of the positioning groove and push it into the positioning groove until the positioning seat is pushed to the appropriate position. At this time, the first threaded hole corresponds to the second threaded hole, and the third threaded hole corresponds to the fourth threaded hole. Then, insert the first bolt into the second threaded hole at one end and rotate it. The first bolt passes through the first threaded hole through the external thread and moves to the second threaded hole at the other end. Then, align the second bolt with the opening of the fourth threaded hole and rotate it until the second bolt moves into the interior of the third threaded hole. At this time, the corner fitting body is fixed to the container body through multi-point fixing, thereby improving the load-bearing capacity of the corner fitting body.

[0015] 2. This utility model, through the use of horizontal and vertical fixing slots, can prevent the container from swaying during handling. When handling the container, first insert the fixing rod into the connecting holes at different positions as needed until the fixing rod enters the corner fitting. Then, rotate the fixing rod according to the direction of the vertical or horizontal fixing slot to match the direction of the slot. Next, pull the fixing rod to lock it into place inside the vertical or horizontal fixing slot. Then, use a crane to lift the container. The vertical or horizontal fixing slots prevent the fixing rod from slipping during the lifting and handling process, thereby improving the stability of the container handling.

[0016] 3. This utility model improves the wear resistance of corner fittings by incorporating a wear-resistant coating. During container handling, the corner fittings are secured inside by a fixing rod. The steel cable of the external crane is then connected to the fixing rod for container handling. Over time, the fixing rod and the inner wall of the corner fittings frequently come into contact and rub against each other. The wear-resistant coating sprayed inside the corner fittings protects the inner wall, reducing wear and extending the service life of the corner fittings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the corner piece structure of this utility model;

[0018] Figure 2 This is a front view of the internal structure of this utility model;

[0019] Figure 3 This is a side view of the internal structure of this utility model;

[0020] Figure 4 For the present utility model Figure 2 Enlarged view of a portion of region A in the middle.

[0021] In the diagram: 1. Corner fitting body; 2. Positioning seat; 3. First threaded hole; 4. Rubber pad; 5. Connecting hole; 6. Container body; 7. Positioning groove; 8. Second threaded hole; 9. First bolt; 10. Third threaded hole; 11. Second bolt; 12. Vertical mounting groove; 13. Horizontal mounting groove; 14. Vertical fixing groove; 15. Horizontal fixing groove; 16. Fourth threaded hole; 17. Wear-resistant coating. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Please see Figure 1-4 This utility model provides an embodiment of a high load-bearing capacity container corner fitting, comprising a corner fitting body 1, the middle of which is a hollow structure, a container body 6 is provided on one side of the corner fitting body 1, a positioning seat 2 is fixedly provided on the outside of the corner fitting body 1 on one side of the container body 6, a positioning groove 7 is provided inside the container body 6, one side of the positioning seat 2 extends into the positioning groove 7, a second threaded hole 8 is provided inside the upper and lower ends of the container body 6 at the positioning groove 7, the second threaded hole 8 communicates with the positioning groove 7, a first threaded hole 3 is provided inside the positioning seat 2, the first threaded hole 3 corresponds to the second threaded hole 8, and the first threaded hole 3 is a through structure, a first bolt 9 is provided inside the second threaded hole 8 at the upper end of the positioning groove 7, the lower end of the first bolt 9 passes through the first threaded hole 3 and extends into the second threaded hole 8 at the lower end of the positioning groove 7.

[0024] When using the new corner fitting body 1, align the positioning seat 2 on the new corner fitting body 1 with the opening of the positioning groove 7 and push it into the positioning groove 7 until the positioning seat 2 is pushed to the appropriate position. At this time, the first threaded hole 3 corresponds to the second threaded hole 8, and the third threaded hole 10 corresponds to the fourth threaded hole 16. Then, insert the first bolt 9 into the second threaded hole 8 at one end and rotate it. The first bolt 9 passes through the first threaded hole 3 through the external thread and moves to the second threaded hole 8 at the other end. Then, align the second bolt 11 with the opening of the fourth threaded hole 16 and rotate it until the second bolt 11 moves into the interior of the third threaded hole 10. At this time, the corner fitting body 1 is fixed to the container body 6 by multi-point fixing.

[0025] Please see Figure 2 and Figure 4The lower end of the corner fitting body 1 is provided with a fourth threaded hole 16, which is a through-hole structure. The container body 6 is provided with a third threaded hole 10 below the fourth threaded hole 16. The third threaded hole 10 corresponds to the fourth threaded hole 16, so that the second bolt 11 can be connected to the corner fitting body 1 and the container body 6 through the third threaded hole 10 and the fourth threaded hole 16.

[0026] Please see Figure 2 and Figure 3 The fourth threaded hole 16 is provided with a second bolt 11. The lower end of the second bolt 11 extends into the third threaded hole 10, so as to facilitate the fixation of the corner body 1 by the second bolt 11.

[0027] Please see Figure 2 and Figure 3 The corner fitting body 1 has vertical mounting grooves 12 on one side and the front side wall. The corner fitting body 1 has a vertical fixing groove 14 at one end of the vertical mounting groove 12. The vertical fixing groove 14 is connected to the vertical mounting groove 12. The upper end of the corner fitting body 1 has a horizontal mounting groove 13. The corner fitting body 1 has a horizontal fixing groove 15 at one end of the horizontal mounting groove 13. The horizontal fixing groove 15 is connected to the horizontal mounting groove 13, so that the fixing rod can be snapped and fixed through the horizontal fixing groove 15 and the horizontal mounting groove 13.

[0028] Please see Figure 1 and Figure 2 Rubber pads 4 are fixedly installed on the upper end, front end and other side of the corner body 1. The rubber pads 4 have connecting holes 5 inside. The connecting holes 5 are through-hole structures and correspond to the positions of the horizontal mounting groove 13 and the vertical mounting groove 12 respectively, so as to provide buffer when connecting different corner bodies 1 through the rubber pads 4.

[0029] Please see Figure 2 and Figure 4 A wear-resistant coating 17 is provided on the inner side wall of the corner fitting body 1. The wear-resistant coating 17 is sprayed onto the side wall of the corner fitting body 1 by a spraying device. The wear-resistant coating 17 is made of polyurethane coating, which facilitates the improvement of the wear resistance of the inner wall of the corner fitting body 1.

[0030] Please see Figure 1 The corner fitting body 1 is made of high-quality steel with a steel grade of Q345B, which makes it easier to improve the load-bearing capacity of the corner fitting body 1 through high-quality steel.

[0031] Working principle: When handling the container body 6, first insert the fixing rod into the connection hole 5 at different positions as needed until the fixing rod enters the corner fitting body 1. At this time, rotate the fixing rod according to the direction of the vertical fixing groove 14 or the horizontal fixing groove 15 to match the direction of the fixing rod with the direction of the vertical fixing groove 14 or the horizontal fixing groove 15. Then pull the fixing rod to make the fixing rod snap into the inside of the vertical fixing groove 14 or the horizontal fixing groove 15. At this time, the container is lifted by the crane. When handling the container body 6, the fixing rod is snapped into the inside of the corner fitting body 1. Then, the steel cable on the external crane is connected and fixed to the fixing rod and the container is handled. After long-term use of the corner fitting body 1, the fixing rod and the inner wall of the corner fitting body 1 will frequently come into contact and rub against each other. The wear-resistant coating 17 sprayed on the inside of the corner fitting body 1 can protect the inner wall of the corner fitting body 1.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A high load-bearing capacity container corner fitting, comprising a corner fitting body (1), wherein the middle position of the corner fitting body (1) is a hollow structure, characterized in that: A container body (6) is provided on one side of the corner fitting body (1). A positioning seat (2) is fixedly provided on the outside of the corner fitting body (1) on one side of the container body (6). A positioning groove (7) is provided inside the container body (6). One side of the positioning seat (2) extends into the positioning groove (7). A second threaded hole (8) is provided inside the upper and lower ends of the positioning groove (7) of the container body (6). The second threaded hole (8) communicates with the positioning groove (7). A first threaded hole (3) is provided inside the positioning seat (2). The first threaded hole (3) and the second threaded hole (8) are in corresponding positions. The first threaded hole (3) is a through structure. A first bolt (9) is provided inside the second threaded hole (8) at the upper end of the positioning groove (7). The lower end of the first bolt (9) passes through the first threaded hole (3) and extends into the second threaded hole (8) at the lower end of the positioning groove (7).

2. A high-load-bearing container corner fitting according to claim 1, characterized in that: The lower end of the corner fitting body (1) is provided with a fourth threaded hole (16), which is a through structure. The container body (6) is provided with a third threaded hole (10) below the fourth threaded hole (16), and the third threaded hole (10) corresponds to the fourth threaded hole (16).

3. A high-load-bearing container corner fitting according to claim 2, characterized in that: The fourth threaded hole (16) is provided with a second bolt (11), the lower end of which extends into the third threaded hole (10).

4. A high-load-bearing container corner fitting according to claim 3, characterized in that: Vertical mounting grooves (12) are provided on one side and the front side wall of the corner body (1). A vertical fixing groove (14) is provided inside the corner body (1) at one end of the vertical mounting groove (12). The vertical fixing groove (14) is connected to the vertical mounting groove (12). A horizontal mounting groove (13) is provided at the upper end of the corner body (1). A horizontal fixing groove (15) is provided inside the corner body (1) at one end of the horizontal mounting groove (13). The horizontal fixing groove (15) is connected to the horizontal mounting groove (13).

5. A high-load-bearing container corner fitting according to claim 4, characterized in that: Rubber pads (4) are fixedly installed on the upper end, front end and other side of the corner body (1). A connecting hole (5) is provided inside the rubber pad (4). The connecting hole (5) is a through structure. The connecting hole (5) corresponds to the position of the horizontal mounting groove (13) and the vertical mounting groove (12) respectively.

6. A high-load-bearing container corner fitting according to claim 5, characterized in that: A wear-resistant coating (17) is provided on the side wall inside the corner piece body (1). The wear-resistant coating (17) is sprayed onto the side wall of the corner piece body (1) by a spraying device.

7. A high load-bearing capacity container corner fitting according to claim 6, characterized in that: The corner piece body (1) is made of high-quality steel with a steel grade of Q345B.

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