Container corner fitting quick replacement structure

By designing a quick-change structure for container corner fittings, and utilizing a spring and movable plate pop-out mechanism to achieve rapid replacement and stable connection, the problem of cumbersome replacement and unstable connection of traditional corner fittings is solved, thereby improving the maintenance efficiency and transportation safety of containers.

CN223591513UActive Publication Date: 2025-11-25JIANGSU HAIYUE CASTING MASCH TECH CO LTD
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Patent Information

Application Number
CN202422875667.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-25
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The replacement process for traditional container corner fittings is cumbersome, the connection method is unstable, and it is difficult to provide sufficient cushioning and protection in high-intensity transportation environments, affecting the stability and safety of the container.

Method used

A quick-change structure including corner bracket body, box connecting plate and connector is designed. It uses spring and movable plate pop-out mechanism to achieve quick snap-fit, and fixed ring to ensure connection stability.

Benefits of technology

It enables quick replacement and stable connection, reduces maintenance costs, and improves the safety and stability of container transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a container corner fitting quick replacement structure and belongs to the technical field of containers. The container corner fitting quick replacement structure comprises a corner fitting body, a container body connecting plate and a connecting piece. The corner fitting body and the box body connecting plate are provided with corresponding connecting holes; a center rod is welded to the center of the end plate, and the diameter of the center rod is smaller than the inner diameter of the connecting hole. At least three sliding grooves are formed in the circumferential direction of the end, away from the end plate, of the center rod, communicating grooves are formed in the bottoms of the sliding grooves, springs are sleeved with the communicating grooves, sliding rings are arranged at the front ends of the springs and slide in the communicating grooves, and supporting rods are hinged to the positions, corresponding to the sliding grooves, of the sliding rings. A movable plate is hinged to the other end of the supporting rod, and the upper end of the movable plate is hinged to the end, away from the end plate, of the center rod; the center rod is further provided with a fixing ring with an opening smaller than the diameter of the center rod. Rapid replacement and stable connection are achieved, the replacement efficiency of the container corner fitting is remarkably improved, and the maintenance cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to container technical field, concretely relates to a container corner fitting quick replacement structure. BACKGROUND

[0002] In the traditional container transportation and logistics industry, the container corner fitting as an important part of the standard container, its main role is to provide the structure connection point of the top and side of the container, to ensure the stability and safety of the container in the process of hoisting, stacking and transportation. The container corner fitting is usually made of angle steel, its structure is simple, low cost, but in practical application, there are many deficiencies.

[0003] Firstly, the traditional container corner fitting replacement process is tedious and time-consuming. When the corner fitting is damaged or needs to be replaced, professional personnel usually need to operate, which not only increases the maintenance cost, but also reduces the turnover efficiency of the container. Secondly, the connection mode of the existing corner fitting is mostly bolt or welding, these connection modes are easy to loosen or damage in high-strength transportation environment, which affects the stability of the container. In addition, since the container will be subjected to various external forces in the transportation process, such as impact, vibration, etc., the fixing mode of the traditional corner fitting is difficult to provide sufficient buffer and protection, resulting in damage to the structure of the container, and even damage to the goods.

[0004] Therefore, developing a new type of container corner fitting quick replacement structure can not only simplify the replacement process, but also improve the stability of the connection, which has important significance for improving the maintenance efficiency and transportation safety of the container. SUMMARY

[0005] To solve the above-mentioned problems, the utility model discloses a container corner fitting quick replacement structure, through the design of connecting piece, realizes quick replacement and stable connection, significantly improves the replacement efficiency of container corner fitting, reduces the maintenance cost, and enhances the stability and safety of the container in the transportation process, so as to meet the demand of modern logistics industry for high efficiency and high reliability.

[0006] To achieve the above purpose, the specific technical scheme of the present application is as follows:

[0007] The utility model provides a container corner fitting quick replacement structure, including corner fitting body, box body connecting plate and connecting piece, corner fitting body and box body connecting plate are equipped with corresponding connecting hole, and the connecting piece passes through the connecting hole and completes the connection, and the connecting piece includes the end plate of cross section bigger than the connecting hole, the center rod is welded in the center of end plate, and the diameter of center rod is smaller than the inner diameter of connecting hole, and the end of center rod away from end plate is equipped with at least three slide grooves in circumference, the bottom of slide groove is equipped with the communicating groove, the spring is sleeved in the communicating groove, the front end of spring is equipped with sliding ring, sliding ring slides in communicating groove, and the position of sliding ring is hinged and is equipped with support rod in corresponding slide groove, and the other end of support rod is hinged and is equipped with movable plate, and the upper end of movable plate is hinged with the end of center rod away from end plate, center rod is also equipped with a fixed ring, and the opening of fixed ring is smaller than the diameter of center rod, and the thickness is equal to the difference between the length of center rod and the thickness sum of corner fitting body and box body connecting plate.

[0008] Based on the above technical features, further, the length of the movable plate is equal to the length of the slide groove, and the folding thickness of the movable plate and the support rod is equal to the depth of the slide groove.

[0009] Based on the above technical features, further, the hinged position of the support rod and the movable piece is located at the upper 1 / 3 of the movable piece.

[0010] Based on the above technical features, further, the movable plate is hinged with the center rod and is equipped with a limiting piece, and the movable angle of the movable plate is not greater than 90°.

[0011] Based on the above technical features, preferably, the fixed ring is equipped with a containing cavity corresponding to the support rod.

[0012] Based on the above technical features, preferably, the number of slide grooves is five, and the number of movable pieces corresponds to the number of slide grooves.

[0013] Compared with the prior art, the application has the following beneficial effects:

[0014] The application can quickly complete the clamping of the corner fitting and the replacement of the corner fitting without professional personnel, thereby reducing the maintenance cost.

[0015] The design of the fixed ring ensures the stability of the connecting piece in the axial direction, thereby improving the safety of the container. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Figure 1 is a schematic view of the connecting structure of the container corner fitting quick replacement structure of the utility model;

[0017] Figure 2The structure schematic diagram of the retracting of the movable plate of the connecting piece in the utility model is shown in the figure.

[0018] Figure 3 The structure schematic diagram of the unfolding of the movable plate of the connecting piece in the utility model is shown in the figure.

[0019] Figure 4 The structure schematic diagram of the fixed ring in the utility model is shown in the figure.

[0020] The list of figure marks is shown in the figure.

[0021] 1, corner body; 2, box connecting plate; 3, connecting piece; 4, end plate; 5, center rod; 6, sliding groove; 7, communication groove; 8, spring; 9, sliding ring; 10, support rod; 11, movable plate; 12, limiting piece; 13, fixed ring; 1301, accommodating cavity. DETAILED DESCRIPTION

[0022] The present application will be further illustrated below in conjunction with the drawings and specific embodiments, and it should be understood that the following specific embodiments are only used to illustrate the present application and not used to limit the scope of the present application.

[0023] It should be noted that the words "upper", "lower", "left", "right", "front" and "back" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component. In addition, the terms "mounting", "connecting", "connection" should be interpreted broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the connection between two elements inside. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] As shown in Figure 1 A kind of container corner piece quick replacement structure, including corner body 1, box connecting plate 2 and connecting piece 3, the corner body and box connecting plate are provided with corresponding connecting hole, the connecting piece passes through connecting hole and is connected.

[0025] As shown in Figure 2As shown, the connecting piece includes an end plate 4 with a cross section larger than the connecting hole, a center rod 5 welded in the center of the end plate 4, the diameter of the center rod 5 being smaller than the inner diameter of the connecting hole. The center rod 5 is provided with at least three sliding grooves 6 at the end away from the end plate, preferably, the number of the sliding grooves is five, and the number of the sliding grooves corresponds to the number of the movable plates. The bottom of the sliding groove 6 is provided with a communication groove 7, the communication groove 7 is sleeved with a spring 8, the front end of the spring 8 is provided with a sliding ring 9, the sliding ring 9 slides in the communication groove 7, the sliding ring is hingedly connected with a supporting rod 10 at the position corresponding to the sliding groove, the other end of the supporting rod 10 is hingedly connected with a movable plate 11, one end of the movable plate 11 is hingedly connected with the end of the center rod 5 away from the end plate.

[0026] The center rod 5 is further provided with a fixed ring 13 with an opening slightly smaller than the diameter of the center rod 5, the inner diameter of the fixed ring 13 matches the center rod 5. The thickness of the fixed ring 13 is equal to the difference between the length of the center rod and the sum of the thicknesses of the corner piece body and the box connecting plate, the fixed ring 13 is clamped with the center rod through the opening to realize the fixation of the center rod in the axial direction.

[0027] Further, the length of the movable plate 11 is equal to the length of the sliding groove, and the thickness of the movable plate is equal to the depth of the sliding groove. When the spring is compressed, the length of the center rod 5 is greater than the thickness of the corner piece body and the box connecting plate to be connected and the length of the sliding groove.

[0028] Further, the hinged position of the supporting rod 10 and the movable plate 11 is located at the upper 1 / 3 of the movable plate 11.

[0029] Further, the movable plate 11 is hingedly connected with a limiting piece 12, and the movable angle of the movable plate is not greater than 90°.

[0030] Preferably, the fixed ring 13 is provided with a receiving cavity 1301 corresponding to the supporting rod.

[0031] The working process includes the preparation of the corner piece body and the box connecting plate, the installation of the connecting piece, the compression of the spring, the entry of the movable plate into the sliding groove, the passing through the connecting hole, the ejection of the movable plate and the clamping, and the fixation of the fixed ring.

[0032] In summary, the structure of the present application is simple, the structure of the present application is simple, the tension of the spring and the ejection mechanism of the movable plate are used to quickly complete the clamping of the corner piece, and the stability of the connection is ensured by the fixed ring.

[0033] It should be pointed out that the drawings only illustrate the technical idea of the present application and cannot limit the protection scope of the present application by the shapes, and for those skilled in the art, several improvements and refinements can be made without departing from the principle of the present application, and these improvements and refinements all fall within the protection scope of the claims of the present application.

Claims

1. A quick-change structure for container corner fittings, characterized in that: The device includes a corner fitting body, a housing connecting plate, and a connector. The corner fitting body and the housing connecting plate have corresponding connecting holes, and the connector passes through the connecting holes to complete the connection. The connector includes an end plate with a cross-section larger than the connecting hole. A central rod is welded to the center of the end plate, and the diameter of the central rod is smaller than the inner diameter of the connecting hole. The end of the central rod away from the end plate has at least three circumferential grooves. The bottom of the grooves has a connecting groove. A spring is fitted inside the connecting groove. The front end of the spring has a sliding ring. The sliding ring slides in the connecting groove. A support rod is hinged to the sliding ring at the position corresponding to the groove. A movable plate is hinged to the other end of the support rod. The upper end of the movable plate is hinged to the end of the central rod away from the end plate. The central rod is also equipped with a fixing ring with an opening smaller than the diameter of the central rod. The thickness of the fixing ring is equal to the difference between the length of the central rod and the sum of the thicknesses of the corner fitting body and the housing connecting plate.

2. The quick-change structure for container corner fittings according to claim 1, characterized in that: The length of the movable plate is equal to the length of the slide groove, and the folded thickness of the movable plate and the support rod is equal to the depth of the slide groove. When the spring is compressed, the length of the center rod is greater than the thickness of the corner piece body and the box connecting plate that need to be connected and the length of the slide groove.

3. The quick-change structure for container corner fittings according to claim 1, characterized in that: The support rod is hinged to the movable plate at the upper 1 / 3 of the movable plate.

4. The quick-change structure for container corner fittings according to claim 1, characterized in that: The movable plate is hinged to the central rod and is provided with a limiting piece, and the movable plate's angle of movement is no greater than 90°.

5. The quick-change structure for container corner fittings according to claim 1, characterized in that: The fixing ring is provided with a receiving cavity corresponding to the support rod.

6. The quick-change structure for container corner fittings according to claim 1, characterized in that: The number of the slides is 5, and the number of the movable plates corresponds to the number of the slides.