Locking mechanism of container corner fitting

Abstract

The utility model provides a container corner fitting locking mechanism which comprises a lower shell, the upper end of the lower shell is fixedly connected with a bearing plate, a traction rod is arranged in the middle of the bearing plate in a penetrating mode, the upper end of the traction rod is fixedly connected with a spring bolt, and the lower end of the traction rod extends into the lower shell. A matching rod is rotatably connected to the lower end of the traction rod, a second opening is formed in the radial direction of the matching rod, a threaded sleeve is fixedly connected to the side wall of the lower portion of the lower shell, a threaded rod is arranged in the threaded sleeve in a threaded fit mode, a wedge block is fixedly connected to one end of the threaded rod, and the lower end face of the wedge block is an inclined face; and the inclined surface is matched with the second opening. The corner fitting can be locked by hands without the aid of tools, so that the container is fixed, and the corner fitting has the advantage of simplicity and rapidness in operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of container fixing technology, in particular to a locking mechanism of a container corner fitting. BACKGROUND

[0002] The corner fitting is widely used in the warehouse shelves, shelves, tool shelves, workbenches, simple fences, display sheds and air conditioning shelves, beds, decorations and the like of factories, businesses. The top corners of the container are also fixedly connected with the corner fittings. During the transfer and fixing of the container, the lifting appliance and the locking appliance are connected with the corner fitting to change the position of the container.

[0003] In the existing locking appliance, especially during the fixing of the container, the operator needs to carry tools such as wrenches to operate the locking appliance to support and fix the container on the support surface to ensure the stability of the container. Relatively speaking, it is inconvenient to carry the tools. SUMMARY

[0004] To solve the above problems, the present application discloses a locking mechanism of a container corner fitting, which comprises a lower shell, the upper end of the lower shell is fixedly connected with a receiving plate, the middle part of the receiving plate is provided with a pulling rod penetrating through, the upper end of the pulling rod is fixedly connected with a lock tongue, and the lower end of the pulling rod extends into the inside of the lower shell. When the container is fixed, the lock tongue at the upper part of the pulling rod extends into the inside of the corner fitting, the lock tongue buckles the inner wall of the corner fitting, and the pulling rod moves downward to fix the corner fitting.

[0005] The lower end of the pulling rod is rotationally connected with a matching rod, the radial direction of the matching rod is provided with a second opening, the lower part of the side wall of the lower shell is fixedly connected with a threaded sleeve, the threaded sleeve is provided with a threaded screw, one end of the threaded screw is fixedly connected with a wedge, the lower end surface of the wedge is an inclined surface, and the inclined surface is matched with the inclined surface in the inside of the second opening. The rotation of the threaded screw causes the wedge to move in the axial direction of the threaded screw, the matching of the second opening causes the matching rod and the pulling rod to move downward, thereby pulling the lock tongue to buckle the corner fitting downward to lock the corner fitting.

[0006] Preferably, one end of the threaded screw is provided with a rotating handle penetrating in the radial direction. This is beneficial to rotate the threaded screw by hand, reduces the carrying and use of external tools, and improves the convenience of use of the mechanism.

[0007] Preferably, the inside of the lower shell is horizontally fixedly connected with a baffle, and the upper end of the wedge is slidingly matched with the baffle. When the wedge buckles the matching rod downward, it will be subjected to an upward force, so the baffle is arranged to support the wedge.

[0008] Preferably, the two sides of the receiving plate are provided with mounting holes. Further, the receiving plate is a stepped structure, and the mounting holes are located on the lower side.

[0009] Preferably, a sliding ring is sleeved on the pull rod, an axial limiting groove is formed in the sidewall of the pull rod, and a protrusion is fixedly connected to the inner wall of the sliding ring and slidably fitted in the limiting groove. The sliding ring can move axially on the pull rod, and the height of the sliding ring does not change during the vertical movement of the pull rod. Meanwhile, the rotating ring is rotated to make the pull rod rotate, so that the locking tongue is deflected and buckled on the inner wall of the corner piece.

[0010] Preferably, a sliding ring is sleeved on the pull rod, an axial limiting groove is formed in the sidewall of the pull rod, and a protrusion is fixedly connected to the inner wall of the sliding ring and slidably fitted in the limiting groove. The sliding ring can move axially on the pull rod, and the height of the sliding ring does not change during the vertical movement of the pull rod. Meanwhile, the rotating ring is rotated to make the pull rod rotate, so that the locking tongue is deflected and buckled on the inner wall of the corner piece.

[0011] The beneficial effects of the present application are as follows: the rotating handle, screw rod, wedge block, matching rod, pull rod, push rod, rotating ring, locking tongue and other mechanisms are provided, manual operation is realized, the locking tongue is deflected and buckled on the inner wall of the corner piece after being sent into the corner piece, and the fixing operation of the container is realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a perspective view of the present application;

[0013] Fig. 2 It is an explosion view of the present application;

[0014] Fig. 3 It is a side view of the present application;

[0015] Fig. 4 It is a front view of the present application.

[0016] LIST OF REFERENCE NUMBERS

[0017] 1, rotating handle; 2, screw rod; 3, threaded sleeve; 4, lower shell; 5, pull rod; 6, receiving plate; 7, locking tongue; 8, mounting hole; 9, first opening; 10, baffle; 11, wedge block; 12, second opening; 13, matching rod; 14, limiting groove; 15, push rod; 16, sliding ring; 17, protrusion. DETAILED DESCRIPTION

[0018] The present application will be further illustrated below in combination 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 to limit the scope of the present application. It should be noted that the words "front", "back", "left", "right", "up" and "down" 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 specific component.

[0019] As Figs. 1 to 4As shown, a locking mechanism of a container corner piece, including a lower shell 4, the lower shell 4 is a cuboid structure, and the lower shell 4 is designed in a through type from top to bottom, the upper end of the lower shell 4 is fixedly connected with a receiving plate 6, the receiving plate 6 is a plate piece, the middle part of the receiving plate 6 is provided with a pull rod 5 in a penetrating manner, the upper end of the pull rod 5 is fixedly connected with a lock tongue 7, from the side, the profile of the lock tongue 7 is an isosceles triangle, and the lower end of the pull rod 5 extends to the inside of the lower shell 4, the lock tongue 7 extends into the inside from the through hole on the corner piece, and then the pull rod 5 is pulled downward, so that the lock tongue 7 buckles the inner wall of the corner piece, thereby realizing the locking and fixing of the corner piece.

[0020] The lower end of the pull rod 5 is rotatably connected with a matching rod 13, in the use process, the pull rod 5 needs to rotate, and the matching rod 13 does not need to rotate, so this setting is made, the radial of the matching rod 13 is provided with a second opening 12, the lower part of the side wall of the lower shell 4 is fixedly connected with a threaded sleeve 3, the threaded sleeve 3 is threadedly provided with a screw rod 2, rotating the screw rod 2 can realize the axial movement of the screw rod 2, one end of the screw rod 2 is fixedly connected with a wedge block 11, the lower end surface of the wedge block 11 is a slope, and is matched with the slope inside the second opening 12, in the process of rotating and moving of the screw rod 2, the position of the wedge block 11 also changes, and the matching of the slope makes the axial movement of the matching rod 13, if the pull rod 5 moves vertically downward, the upper corner piece is locked.

[0021] Further, in the natural state of the mechanism, the lock tongue 7 and the receiving plate 6 are in contact, so after the corner piece is placed on the receiving plate 6, the matching rod 13 needs to be manually lifted from below, and the lock tongue 7 is extended into the inside of the corner piece.

[0022] One end of the screw rod 2 is provided with a rotating handle 1 in a radial puncture manner. By setting the rotating handle 1, the force arm is lengthened, so that manual operation is more labor-saving, and the rotating handle 1 is provided with anti-falling balls at both ends.

[0023] The inside of the lower shell 4 is horizontally fixedly connected with a baffle 10, the upper end of the wedge block 11 is slidingly matched with the baffle 10, when the wedge block 11 and the second opening 12 are matched, the wedge block 11 will be subjected to an upward force, and the baffle 10 supports the wedge block 11, so that the wedge block 11 maintains the original posture under the force.

[0024] Both sides of the receiving plate 6 are provided with mounting holes 8. By using connecting pieces such as bolts, the receiving plate 6 is fixed by penetrating the mounting holes 8.

[0025] The pulling rod 5 is sleeved with a sliding ring 16, the side wall of the pulling rod 5 is axially provided with a limiting groove 14, the inner wall of the sliding ring 16 is fixedly connected with a convex point 17, and the convex point 17 is slidingly matched in the limiting groove 14, that is, in the process of rotating the sliding ring 16, the pulling rod 5 is also rotated through the arrangement of the convex point 17 and the limiting groove 14, in the process of rotating, the lock tongue 7 is also rotated, so that the lock tongue 7 and the inner wall of the angle piece are in contact.

[0026] The side wall of the sliding ring 16 is fixedly connected with a push rod 15, the other end of the push rod 15 is also provided with a ball, the side wall of the lower shell 4 is provided with a first opening 9, the push rod 15 extends out of the first opening 9, the sliding ring 16 is conveniently rotated through the push rod 15, further, recesses are arranged at two ends of the first opening 9, the push rod 15 can be matched in the recesses, and limiting of the push rod 15 is realized. It should be noted that the mechanism is installed on the supporting surface of the container, and only the container in contact is fixed.

[0027] The technical means disclosed in the scheme of the application is not only limited to the technical means disclosed in the above-mentioned embodiments, but also includes the technical scheme composed of any combination of the above technical features.

Claims

1. A locking mechanism for a corner fitting of a shipping container, the locking mechanism comprising: Including lower shell (4), the upper end of lower shell (4) is fixedly connected with the receiving plate (6), the middle part of receiving plate (6) is provided with the pull rod (5) through, the upper end of pull rod (5) is fixedly connected with the lock tongue (7), and the lower end of pull rod (5) extends to the inside of lower shell (4); The lower end of pull rod (5) is rotatably connected with the matching rod (13), the radial direction of matching rod (13) is provided with the second opening (12), the lower part of the side wall of lower shell (4) is fixedly connected with the threaded sleeve (3), the threaded sleeve (3) is provided with the threaded rod (2) in threaded cooperation, one end of threaded rod (2) is fixedly connected with the wedge block (11), the lower end surface of wedge block (11) is inclined, and is matched with the inclined surface inside second opening (12).

2. A locking mechanism for a corner fitting of a shipping container as defined in claim 1, wherein: One end of threaded rod (2) is provided with the rotating handle (1) through the radial direction.

3. A locking mechanism for a corner fitting of a shipping container as defined in claim 1, wherein: The inside of lower shell (4) is fixedly connected with the baffle (10), the upper end of wedge block (11) is slidably matched with baffle (10).

4. A locking mechanism for a corner fitting of a shipping container as defined in claim 1, wherein: The both sides of receiving plate (6) are provided with the mounting hole (8).

5. A locking mechanism for a corner fitting of a shipping container as defined in claim 1, wherein: The pull rod (5) is provided with the sliding ring (16), the side wall of pull rod (5) is axially provided with the limiting groove (14), the inner wall of sliding ring (16) is fixedly connected with the convex point (17), and the convex point (17) is slidably matched in limiting groove (14).

6. A locking mechanism for a corner fitting of a shipping container as defined in claim 5, wherein: The side wall of sliding ring (16) is fixedly connected with the shift lever (15), the side wall of lower shell (4) is provided with the first opening (9), and the shift lever (15) extends out from the first opening (9).

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