A shipping container drawbar

Abstract

The application provides a shipping container pull rod, and relates to the technical field of shipping containers. The shipping container pull rod comprises a rod body, a base and an elastic connection structure; a rotating head is rotationally connected with a jaw head, and the jaw head is arranged at one end of a connecting rod; a spring is arranged in a cylinder, a limiting block is slidably arranged in the cylinder, one end of the spring is connected with the limiting block, the other end of the spring is fixed in the cylinder, and the limiting block is connected with one end of the connecting rod. The spring is connected between the limiting block and the cylinder, is used for pushing the limiting block, and further drives the connecting rod to generate a relative elastic space relative to the jaw head. When being pulled tight, the spring has a certain elastic recovery displacement, drives the container to be pulled tight or pressed during the shaking of the ship body, keeps the pulled tight state when the pull rod is relaxed through the elastic displacement, prevents the rotating head from being unhooked at the flower basket, and ensures stable and reliable operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shipping containers, in particular, to a shipping container pull rod. BACKGROUND

[0002] At present, shipping containers are usually fixedly connected with each other by binding members during transportation. Common binding members include basket screws with connecting forks, pull rods, etc., and common fixing members include eyes, bases, etc.

[0003] A configurable pull rod structure for a shipping container is disclosed in Chinese Patent Publication (Announcement) No. CN219258387U, published on June 27, 2023, which relates to the technical field of container pull rods and comprises a screw rod adapted to a basket screw, one end of the screw rod being connected with a first connecting fork, a pull rod and a U-shaped bolt, the bottom of the pull rod being connected with a connecting seat adapted to the first connecting fork and the top being connected with a second connecting fork, the first connecting fork and the connecting seat being connected through the U-shaped bolt, the U-shaped bolt being composed of a bottom plate and connecting rods, the number of the connecting rods being two and each being welded to the bottom plate, the outer ends of the two connecting rods each being connected with a pad plate and a nut, the connecting seat being provided at the first connecting fork of the screw rod, the pull rod and the second connecting fork being provided through the connecting seat, so as to increase the connectable length range of the basket screw, the connection between the connecting seat and the first connecting fork being fastened through the U-shaped bolt, which can effectively improve the stability of the connection and make it have a wider range of application.

[0004] The existing technical solutions in the above have the following defects: the above pull rod does not have elastic contraction after being pulled tight, and in the process of ship body swinging, the container is displaced, causing tension or extrusion, so that the pull rod appears to be loose, and at this time, the hooking at the connecting fork of the pull rod is easily caused. SUMMARY

[0005] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a shipping container pull rod, which has the advantages of simple structure, low cost, few installation procedures, safety and reliability, energy saving, low use requirements and strong applicability.

[0006] The shipping container pull rod according to the embodiments of the present application comprises a rod body, a base and an elastic connection structure.

[0007] The rod body comprises a connecting rod and a joint rod, one end of the joint rod being connected with the connecting rod; the base comprises a jaw head and a rotating head, the rotating head being rotatably connected with the jaw head, the jaw head being arranged at one end of the connecting rod.

[0008] The elastic connecting structure comprises a cylinder and a spring, the cylinder is fixed with the jaw head, the spring is arranged in the cylinder, a limiting block is slidably arranged in the cylinder, one end of the spring is connected with the limiting block, and the other end of the spring is fixed in the cylinder, and the limiting block is connected with one end of the connecting rod.

[0009] According to the shipping container pull rod, one end of the joint rod is fixedly connected with the connecting rod, is used for connecting the box foot to the rotating head, the jaw head is arranged at one end of the connecting rod, the rotating head is rotationally connected with the jaw head, is used for connecting the flower basket by rotating the rotating head, plays a clamping and receiving role, the flower basket is further connected with the ship body, and the tensioning operation is realized.

[0010] The elastic connecting structure is connected between the connecting rod and the jaw head, the spring is arranged in the cylinder, the limiting block is slidably arranged in the cylinder, the spring is connected between the limiting block and the cylinder, is used for pushing the limiting block, and further drives the connecting rod to generate a relative elastic space relative to the jaw head, has a certain elastic recovery displacement when tensioning, drives the container to be tensioned or extruded in the process of ship body shaking, so that the pull rod is relaxed, the elastic displacement is always kept in a tensioning state, the rotating head is prevented from being unhooked at the position of connecting the flower basket, the operation is stable and reliable, the structure is simple, the installation process is less, and the applicability is strong.

[0011] In addition, the shipping container pull rod has the following additional technical features according to the embodiment of the application.

[0012] In a preferred mode of the present application, the connecting rod and the joint rod are coaxially arranged, and a butt joint is provided at the joint between one end of the connecting rod and one end of the joint rod.

[0013] In a preferred mode of the present application, the outer surface of the joint rod is fixed with a limiting protrusion, a plurality of limiting protrusions are arranged, the plurality of limiting protrusions are arranged at equal intervals, and the limiting protrusion is in the shape of a convex table in cross section.

[0014] In a preferred mode of the present application, the jaw head is a U-shaped structure with a groove in the middle, one end of the rotating head is rotationally installed in the U-shaped structure, and the rotating head is fixed with a hook.

[0015] In a preferred mode of the present application, through holes are arranged in the two side walls of the jaw head, the two through holes are coaxially arranged, a pin is inserted through the through holes, and a through groove is arranged in the rotating head and matched with the pin.

[0016] In a preferred mode of the present application, a sliding sleeve is arranged in the through groove of the rotating head, the sliding sleeve is rotationally sleeved on the surface of the pin, a lubricating groove is arranged in the inner wall of the sliding sleeve, and a solid lubricant is filled in the lubricating groove.

[0017] In a preferred manner of the present application, a hexagonal recess is formed on the top of one end of the pin, an external thread is formed on the outer surface of the other end of the pin, and an internal thread is formed on the inner wall of any one of the two through holes to cooperate with the thread of the pin.

[0018] In a preferred manner of the present application, the limiting block is indirectly fixedly connected to one end of the connecting rod, and the connecting rod has a columnar structure.

[0019] In a preferred manner of the present application, the cylinder is detachably fixedly connected to the jaw head, a circular recess is formed on one end of the jaw head, an internal thread is formed on the inner wall of the circular recess, and an external thread groove is formed on one end of the cylinder to cooperate with the circular recess.

[0020] In a preferred manner of the present application, a profiled recess is formed on one end of the jaw head, one end of the cylinder is inserted into the profiled recess, a limiting thread hole is formed on the surface of the cylinder, a through hole is formed on the surface of the jaw head, a stud is threadedly connected to the limiting thread hole, and one end of the stud penetrates through the through hole.

[0021] The length of the conventional pull rod structure cannot be conveniently adjusted, and the conventional pull rod structure cannot be connected to containers of different lengths.

[0022] In a preferred manner of the present application, the connecting rod is provided with a plurality of clamping grooves arranged along the length direction of the connecting rod, the joint rod is connected to a clamping block, one end of the clamping block is clamped to the clamping groove, the other end of the clamping block is connected to a movable block, and a compression spring is arranged to push the clamping block back to the original position.

[0023] In a preferred manner of the present application, one end of the joint rod is fixedly connected to a sliding rod, the clamping block is slidably arranged through a through groove formed on the surface of the sliding rod, the movable block is hingedly connected to the surface of the sliding rod, one end of the movable block is hingedly connected to the clamping block, the compression spring is arranged in the through groove, one end of the compression spring is connected to the clamping block, and the other end of the compression spring is connected to the sliding rod.

[0024] Specifically, the clamping groove of the connecting rod is clamped to the clamping block of the joint rod, the clamping block is clamped to the clamping grooves arranged at different positions, the relative position of the connecting rod and the joint rod is adjusted, the length of the overall pull rod is adjusted, the clamping block is connected to the movable block, and the compression spring is arranged to push the clamping block back to the original position, the clamping block is separated from the clamping groove by pressing the movable block, the length is conveniently adjusted, the clamping block is clamped in the clamping groove under the elastic action of the compression spring after the hand is released, the movable block is pressed to achieve simple operation, and the length of the conventional container pull rod structure cannot be conveniently adjusted due to the single structure, and the conventional container pull rod structure cannot be connected to containers of different lengths.

[0025] In a preferred mode of the present application, the plurality of said clamping grooves are arranged at equal intervals, the said connecting rod is a hollow pipe, the said sliding rod is slidingly inserted into the said hollow pipe, the said clamping groove is arranged on the inner wall of the said hollow pipe, the said hollow pipe is provided with a limiting groove on the outer surface, and the said movable block is arranged in the said limiting groove.

[0026] The following refers to the specific embodiments of the shipping container pull rod according to the present application with reference to the accompanying drawings:

[0027] In a preferred mode of the present application, one end of the said connecting rod is fixed with a connecting rod, one end of the said connecting rod is slidingly inserted into the said cylinder, and the said limiting block is fixedly connected with the said connecting rod through a bolt.

[0028] In a preferred mode of the present application, the said cylinder is provided with an inner stop ring for limiting the displacement of the said limiting block, the said cylinder is slidingly sleeved on the surface of the said connecting rod, and the said spring is arranged on the outer surface of the said inner stop ring.

[0029] Specifically, one end of the connecting rod is fixed with a connecting rod, the connecting rod is inserted into the cylinder, the limiting block is fixedly connected with the connecting rod through a bolt, the cylinder is provided with an inner stop ring for limiting the displacement of the limiting block, the spring is prevented from being excessively pressed and losing elasticity, the cylinder is slidingly sleeved on the surface of the connecting rod, and the spring is arranged on the outer surface of the inner stop ring, so that the overall structure is compact, the structure is arranged inside and is not easy to be damaged, and the service life is prolonged.

[0030] In a preferred mode of the present application, the said connecting rod is integrally formed or fixedly welded with the said connecting rod, the said connecting rod and the said connecting rod are coaxially arranged, the end of the said connecting rod is integrally formed with an outer reinforcing sleeve, and the inner wall of the said outer reinforcing sleeve is matched with the outer wall of the said cylinder.

[0031] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0033] Figure 1 is a schematic diagram of the structure of the shipping container pull rod provided by the embodiments of the present application;

[0034] Figure 2 is a schematic diagram of the structure of the shipping container pull rod provided by the embodiments of the present application from a second perspective;

[0035] Figure 3 The jaw head and the connecting structure of the rotating head provided in the embodiment of the present application;

[0036] Figure 4 The exploded view provided in the embodiment of the present application;

[0037] Figure 5 The three-dimensional structure diagram of the limiting block fixed at the end of the connecting rod provided in the embodiment of the present application;

[0038] Figure 6 The three-dimensional structure diagram of the connecting rod provided in the embodiment of the present application;

[0039] Figure 7 The three-dimensional diagram of the connecting rod provided in the embodiment of the present application;

[0040] Figure 8 The three-dimensional structure diagram of the connecting rod provided in the embodiment of the present application;

[0041] Figure 9 The three-dimensional structure diagram of the connecting rod provided in the embodiment of the present application;

[0042] Figure 10 The three-dimensional structure diagram of the connecting rod provided in the embodiment of the present application; Figure 9 The structure diagram of the structure A provided in the embodiment of the present application;

[0043] Figure 11 The three-dimensional structure diagram of the connecting rod provided in the embodiment of the present application;

[0044] Figure 12 The three-dimensional structure diagram of the connecting rod provided in the embodiment of the present application.

[0045] In the figure: 100, the rod body; 110, the connecting rod; 111, the connecting rod; 113, the outer reinforcing sleeve; 115, the clamping groove; 117, the limiting groove; 130, the connecting rod; 131, the limiting protrusion; 133, the clamping block; 135, the compression spring; 137, the movable block; 139, the sliding rod; 300, the base; 310, the jaw head; 311, the through hole; 313, the through hole; 330, the rotating head; 331, the hook; 350, the pin; 370, the sliding sleeve; 500, the elastic connecting structure; 510, the cylinder; 511, the limiting screw hole; 513, the inner stop ring; 530, the spring; 550, the limiting block; 570, the stud. DETAILED DESCRIPTION

[0046] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of the present application.

[0047] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of the present application.

[0048] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0049] In the description of the present application, it should be understood that the terms "bottom", "one end", "top", "central position", "the other end", "upper", "one side", "top end", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation; at the same time, unless otherwise explicitly specified and limited, the terms "clamping", "inserting", "welding", "mounting", "setting", "interference fit", "screw connection", "pin shaft connection" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, and a person of ordinary skill in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0050] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0051] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0052] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0053] The technical solutions in the embodiments of this application will now be described with reference to the accompanying drawings.

[0054] The following description, with reference to the accompanying drawings, describes a shipping container tie rod according to an embodiment of this application;

[0055] like Figures 1-12 As shown, the shipping container trolley according to an embodiment of this application includes a trolley body 100, a base 300, and a flexible connection structure 500;

[0056] The rod body 100 includes a connecting rod 110 and a section rod 130, one end of the section rod 130 being connected to the connecting rod 110; the base 300 includes a jaw 310 and a rotating head 330, the rotating head 330 being rotatably connected to the jaw 310, and the jaw 310 being disposed at one end of the connecting rod 110;

[0057] The elastic connection structure 500 includes a cylindrical body 510 and a spring 530. The cylindrical body 510 is fixed to the jaw 310. The spring 530 is disposed inside the cylindrical body 510. A limiting block 550 is slidably disposed inside the cylindrical body 510. One end of the spring 530 is connected to the limiting block 550, and the other end of the spring 530 is fixed inside the cylindrical body 510. The limiting block 550 is connected to one end of the connecting rod 110.

[0058] According to the embodiments of this application, one end of the shipping container tie rod 130 is fixedly connected to the connecting rod 110 for connection, connecting the container feet to the rotating head 330; the jaw 310 is disposed at one end of the connecting rod 110, and the rotating head 330 is rotatably connected to the jaw 310. By rotating the rotating head 330, a basket is connected, which serves to clamp and tighten the basket; the basket is then connected to the hull; thus achieving the tightening operation.

[0059] The elastic connection structure 500 is connected between the connecting rod 110 and the jaw 310. The spring 530 is set inside the cylinder 510. The limit block 550 is slidably set inside the cylinder 510. The spring 530 is connected between the limit block 550 and the cylinder 510 to push the limit block 550, thereby causing the connecting rod 110 to generate a relative elastic space with respect to the jaw 310. When tightened, it has a certain elastic recovery displacement. During the swaying of the ship, it causes the container to tighten or be squeezed, so that when the connecting rod is slack, it always maintains a tightened state through elastic displacement, preventing the turn head 330 from disengaging from the basket, ensuring stable and reliable operation. The structure is simple, the installation process is few, and the applicability is strong.

[0060] In addition, the shipping container tie rod according to the embodiments of this application also has the following additional technical features:

[0061] In a specific embodiment of the present invention, the connecting rod 110 and the section rod 130 are coaxially arranged, and a mating interface is pre-set at the connection point between one end of the connecting rod 110 and one end of the section rod 130.

[0062] In a specific embodiment of the present invention, a limiting protrusion 131 is fixed on the outer surface of the section rod 130. Multiple limiting protrusions 131 are provided, and the multiple limiting protrusions 131 are equally spaced. The cross-section of the limiting protrusion 131 is a boss shape.

[0063] Specifically, such as Figure 4 As shown, in a specific embodiment of the present invention, the jaw 310 is a U-shaped structure with a groove in the middle, one end of the rotating head 330 is rotatably installed in the U-shaped structure, and the rotating head 330 is fixed with a hook 331.

[0064] In a specific embodiment of the present invention, the jaw 310 has through holes 311 on both sides, the two through holes 311 are coaxially arranged, and a pin 350 is inserted through the through hole 311. The rotating head 330 has a through groove that cooperates with the pin 350.

[0065] In a specific embodiment of the present invention, a sliding sleeve 370 is provided in the through groove of the rotating head 330. The sliding sleeve 370 is rotatably sleeved on the surface of the pin 350. A lubrication groove is provided on the inner wall of the sliding sleeve 370, and the lubrication groove is filled with a solid lubricant.

[0066] In a specific embodiment of the present invention, a hexagonal groove is provided at the top of one end of the pin 350, an external thread is provided on the outer surface of the other end of the pin 350, and an internal thread that engages with the thread of the pin 350 is provided on the inner wall of either of the two through holes 311.

[0067] In a specific embodiment of the present invention, the limiting block 550 is indirectly fixedly connected to one end of the connecting rod 110, and the connecting rod 110 is a column structure.

[0068] In a specific embodiment of the present invention, the cylindrical body 510 is detachably and fixedly connected to the jaw head 310. One end of the jaw head 310 is provided with a circular groove, and the inner wall of the circular groove is provided with an internal thread. One end of the cylindrical body 510 is provided with an external thread groove that mates with the circular groove.

[0069] In a specific embodiment of the present invention, one end of the jaw 310 is provided with a contoured groove, and one end of the cylindrical body 510 is fitted into the contoured groove. A limiting threaded hole 511 is provided on the surface of the cylindrical body 510, and a through hole 313 is provided on the surface of the jaw 310. A stud 570 is threadedly connected to the limiting threaded hole 511, and one end of the stud 570 passes through the through hole 313.

[0070] Traditional tie rod structures are not easily adjustable in length and cannot accommodate containers of different lengths. To solve the above problems, the following is a specific implementation scheme for shipping container tie rods based on the attached drawings:

[0071] Specifically, such as Figures 6-12 As shown, in a specific embodiment of the present invention, the connecting rod 110 is provided with a slot 115, and multiple slots 115 are provided along the length direction of the connecting rod 110. The section rod 130 is connected to a locking block 133. One end of the locking block 133 engages with the slot 115, and the other end of the locking block 133 is connected to a movable block 137 and a compression spring 135 for pushing the locking block 133 to reset.

[0072] In a specific embodiment of the present invention, one end of the section rod 130 is fixed with a slide rod 139, the locking block 133 slides through a through groove opened on the surface of the slide rod 139, the movable block 137 is hinged to the surface of the slide rod 139, one end of the movable block 137 is hinged to the locking block 133, the compression spring 135 is disposed in the through groove, one end of the compression spring 135 is connected to the locking block 133, and the other end of the compression spring 135 is connected to the slide rod 139.

[0073] Specifically, the clamping groove 115 of the connecting rod 110 is matched with the clamping block 133 connected with the joint rod 130, the clamping block 133 is clamped in the clamping groove 115 at different positions, the relative position of the connecting rod 110 and the joint rod 130 is adjusted, the length of the whole pull rod is adjusted, the movable block 137 connected with the clamping block 133 and the compression spring 135 for resetting the clamping block 133 are arranged, the clamping block 133 is separated from the clamping groove 115 by pressing the movable block 137, the length is adjusted, the clamping block 133 is clamped in the clamping groove 115 under the elastic action of the compression spring 135 after the hand is released; the length of the traditional container pull rod structure is not good and can be adjusted, and the problem that the container of different lengths cannot be connected is solved by simple operation of pressing the movable block 137.

[0074] In the specific embodiment of the application, the plurality of clamping grooves 115 are arranged at equal intervals, the connecting rod 110 is a hollow pipe body, the sliding rod 139 is slidingly inserted into the hollow pipe body, the clamping groove 115 is arranged on the inner wall of the hollow pipe body, and the limit groove 117 is arranged on the outer surface of the hollow pipe body.

[0075] The specific embodiment of the container pull rod of the application will be described below with reference to the drawings:

[0076] Specifically, as shown in Figure 4 、 Figure 11 In the specific embodiment of the application, one end of the connecting rod 110 is fixedly connected with the connecting rod 111, one end of the connecting rod 111 is slidingly inserted into the cylinder body 510, and the limiting block 550 is fixedly connected with the connecting rod 111 through a bolt.

[0077] In the specific embodiment of the application, the inner stop ring 513 for limiting the displacement of the limiting block 550 is arranged in the cylinder body 510, the cylinder body 510 is slidingly arranged on the surface of the connecting rod 111, and the spring 530 is arranged on the outer surface of the inner stop ring 513.

[0078] Specifically, the connecting rod 111 is fixedly connected with one end of the connecting rod 110, the connecting rod 111 is inserted into the cylinder body 510, the limiting block 550 is fixedly connected with the connecting rod 111 through a bolt, the inner stop ring 513 for limiting the displacement of the limiting block 550 is arranged in the cylinder body 510, the spring 530 is prevented from being excessively pressed and losing elasticity, the cylinder body 510 is slidingly arranged on the surface of the connecting rod 111, and the spring 530 is arranged on the outer surface of the inner stop ring 513, so that the overall structure is compact, the structure is arranged in the inside and is not easy to be damaged, and the service life is prolonged.

[0079] In the specific embodiment of the present application, the connecting rod 111 is integrally formed or welded with the connecting rod 110, the connecting rod 110 is coaxially arranged with the connecting rod 111, and an outer reinforcing sleeve 113 is integrally formed at the end of the connecting rod 110, and the inner wall of the outer reinforcing sleeve 113 is matched and sleeved with the outer wall of the barrel 510.

[0080] The above merely provides an embodiment of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

Claims

1. A shipping container tie down rod characterized by, The utility model provides a golf club, including The shank (100) includes the joint rod (110) and the section rod (130), and one end of the section rod (130) is connected with the joint rod (110); The joint rod (110) is provided with a plurality of clamping grooves (115) along the length direction of the joint rod (110), the section rod (130) is connected with a clamping block (133), one end of the clamping block (133) is matched with the clamping groove (115) and is clamped, the other end of the clamping block (133) is connected with a movable block (137), and a compression spring (135) for pushing the clamping block (133) to reset is arranged;One end of the section rod (130) is fixed with a sliding rod (139), the clamping block (133) is slidably arranged through the through groove formed on the surface of the sliding rod (139), the movable block (137) is hinged on the surface of the sliding rod (139), one end of the movable block (137) is hinged with the clamping block (133), the compression spring (135) is arranged in the through groove, one end of the compression spring (135) is connected with the clamping block (133), and the other end of the compression spring (135) is connected with the sliding rod (139); The base (300) includes a jaw head (310) and a rotating head (330), the rotating head (330) is rotatably connected with the jaw head (310), and the jaw head (310) is arranged at one end of the joint rod (110); The elastic connection structure (500) includes a cylinder body (510) and a spring (530), the cylinder body (510) is fixed with the jaw head (310), the spring (530) is arranged in the cylinder body (510), a limiting block (550) is slidably arranged in the cylinder body (510), one end of the spring (530) is connected with the limiting block (550), the other end of the spring (530) is fixed in the cylinder body (510), and the limiting block (550) is connected with one end of the joint rod (110).

2. A shipping container tie rod as claimed in claim 1 wherein, The joint rod (110) and the section rod (130) are coaxially arranged, and an abutting interface is arranged at the joint of one end of the joint rod (110) and one end of the section rod (130).

3. A shipping container tie rod as claimed in claim 1 wherein, The jaw head (310) is a U-shaped structure with a groove formed in the middle, one end of the rotating head (330) is rotatably arranged in the U-shaped structure, and the rotating head (330) is fixed with a hook (331).

4. A shipping container tie rod as claimed in claim 1 wherein, Through holes (311) are formed in the two side walls of the jaw head (310), the two through holes (311) are coaxially arranged, the through holes (311) are penetrated and connected with a pin (350), and the rotating head (330) is provided with a through groove matched with the pin (350).

5. A shipping container tie rod as claimed in claim 1 wherein, ​ 6. A shipping container tie rod as claimed in claim 5 wherein, The through slot of the rotating head (330) is provided with a sliding sleeve (370), the sliding sleeve (370) is rotatably sleeved on the surface of the pin (350), the inner wall of the sliding sleeve (370) is provided with a lubricating groove, and the lubricating groove is filled with a solid lubricant.

7. A shipping container tie rod as claimed in claim 6 wherein, The top of one end of the pin (350) is provided with an internal hexagonal groove, the outer surface of the other end of the pin (350) is provided with external threads, and the inner wall of any one of the two through holes (311) is provided with internal threads matched with the threads of the pin (350).

8. A marine shipping container tie rod as defined in claim 1, wherein, The limiting block (550) is indirectly fixedly connected with one end of the connecting rod (110), and the connecting rod (110) is a column structure.

9. A marine shipping container tie rod as defined in claim 1, wherein, The cylinder (510) is detachably fixedly connected with the jaw head (310), one end of the jaw head (310) is provided with a circular groove, the inner wall of the circular groove is provided with internal threads, and one end of the cylinder (510) is provided with an external thread groove matched with the circular groove.

10. A shipping container tie rod as claimed in claim 1 wherein, One end of the jaw head (310) is provided with a profiling groove, one end of the cylinder (510) is matched and inserted into the profiling groove, the surface of the cylinder (510) is provided with a limiting thread hole (511), the surface of the jaw head (310) is provided with a through hole (313), and one end of a stud bolt (570) is threaded through the through hole (313).

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