Fastening mechanism and folding container

Abstract

The utility model discloses a fastening mechanism and folding container, this fastening mechanism includes spacing plate and locking pin, spacing plate includes spacing plate body and limit piece, spacing plate body is provided with first hole and second hole, under the use state, the second hole is located the top of first hole, and the top of first hole is provided with recess, and recess and first hole are linked together, limit piece is arc, and it sets up on spacing plate body and is located the below of first hole, locking pin includes locking pin body, stop nail and lock ring, locking pin body is matched with first hole, and is set up as can insert first hole, stop nail sets up on locking pin body, and stop nail is matched with recess, lock ring is matched with limit piece, when stop nail embeds recess, lock ring sets up as can buckle the periphery of limit piece. This fastening mechanism is applicable to the locking between the chassis and front end (or door end) of folding container.

Description

Technical Field

[0001] This utility model relates to a fastening mechanism, and more particularly to a fastening mechanism for folding containers. It also relates to folding containers including this fastening mechanism. Background Technology

[0002] The use of foldable containers has positive implications. When goods need to be transported, they can be unfolded to form a container that can be loaded with goods; when goods are not needed, the containers can be folded and stacked, saving space and reducing transportation costs.

[0003] Generally, a shipping container consists of a base frame, top, left side wall, right side wall, front end, and door. The base frame and top are positioned opposite each other, as are the left and right side walls, and the front end and door. When unfolding or folding a container, the folding efficiency of a folding container and the rigidity and strength of the unfolded container must be considered. Specifically, the quick locking between the front end (or door) and the base frame in the unfolded state, and the quick disassembly of the locking device when folding the container, require special consideration. Utility Model Content

[0004] In view of this, one object of the present invention is to provide a fastening mechanism that can quickly lock the front end (or door end) to the base frame. Another object of the present invention is to provide a folding container.

[0005] The present invention achieves the above objectives by adopting the following technical solution.

[0006] On the one hand, this utility model provides a fastening mechanism, including:

[0007] A limiting plate includes a limiting plate body and a limiting piece; the limiting plate body is provided with a first hole and a second hole; in use, the second hole is located above the first hole, and a groove is provided at the top of the first hole, the groove and the first hole are connected; the limiting piece is arc-shaped, is provided on the limiting plate body, and is located below the first hole.

[0008] The locking pin includes a locking pin body, a stop pin, and a locking ring. The locking pin body matches the first hole and is configured to be inserted into the first hole. The stop pin is disposed on the locking pin body and matches the groove. The locking ring matches the limiting piece. When the stop pin is embedded in the groove, the locking ring is configured to fasten around the periphery of the limiting piece. This facilitates quick locking between the front end (or door end) and the base frame when the container is unfolded, and also facilitates easy disassembly of the fastening mechanism when the container needs to be folded. Furthermore, after the container is folded, it facilitates locking between the top and the base frame, making the folded container more stable and easier to stack.

[0009] In this invention, the central axis direction of the first hole and the central axis direction of the second hole are both the same as the thickness direction of the limiting plate body. In this invention, the groove has three openings: a middle opening and openings at both ends. The middle opening faces the first hole, and the line connecting the center points of the openings at both ends is parallel to the central axis direction of the first hole.

[0010] In this utility model, the limiting plate body and the bottom corner piece are vertically connected and can be welded together.

[0011] According to the fastening mechanism described in this utility model, preferably, both the first hole and the second hole are circular holes. This facilitates operation.

[0012] In this invention, the plane determined by the central axis of the first hole and the central axis of the second hole is perpendicular to the length direction of the limiting plate body.

[0013] According to the fastening mechanism described in this utility model, preferably:

[0014] The limiting plate body includes body A and body B; in use, body A is located below body B, the thickness of body A is greater than the thickness of body B, the top surface of body A and the front surface of body B form a right angle structure, the back surface of body A and the back surface of body B are coplanar; the back surface of body A is provided with a recess with a cross section similar to a trapezoid.

[0015] The first hole is located on body A, and the second hole is located on body B. This type of limiting plate body reduces weight while maintaining usability. Furthermore, the placement of the first and second holes facilitates locking between the top and bottom frame of the container after folding, making the folded container more stable and easier to stack.

[0016] In this invention, the top surface of body A refers to the top surface when the container is in its unfolded, the front surface of body A refers to the surface on which the limiting piece is installed, and the back surface of body A refers to the side opposite to its front surface. The front surface of body B refers to the surface on the same side as the front surface of body A. A recess with a trapezoidal cross-section can also be called a groove with a trapezoidal cross-section.

[0017] According to the fastening mechanism described in this utility model, preferably, the width direction of the limiting piece is the same as the thickness direction of the limiting plate body; the arc center of the limiting piece is close to the central axis of the first hole. This allows it to be used in conjunction with a locking ring.

[0018] According to the fastening mechanism described in this utility model, preferably, the length of the line connecting the center points of the two ends of the limiting piece is greater than or equal to the diameter of the first hole. This ensures the stability of the limiting piece's positioning.

[0019] According to the fastening mechanism described in this utility model, preferably, the locking pin body is configured as a cylindrical structure. This facilitates operation.

[0020] According to the fastening mechanism described in this utility model, preferably, the locking pin body includes a first body and a second body connected together; the length of the first body is greater than the length of the second body, and the diameter of the first body is smaller than the diameter of the second body. This reduces weight while ensuring strength.

[0021] According to the fastening mechanism of this utility model, preferably, the stop pin is disposed on the first body. According to a specific embodiment of this utility model, the stop pin has a block structure.

[0022] According to the fastening mechanism of this utility model, preferably, the locking ring is movably disposed on the second body. The two ends of the locking ring are rotatably connected to the two sides of the second body, and the line connecting the two ends of the locking ring passes through the central axis of the second body, which is perpendicular to the central axis of the second body. The locking ring is rotatable, which facilitates its placement around the limiting plate.

[0023] On the other hand, this utility model also provides a folding container, which includes the fastening mechanism described above; in the unfolded state of the container, the limiting plate is vertically connected to the bottom corner piece of the folding container, and the first hole is located above the bottom corner piece. This facilitates the fastening between the front end (or door end) and the base frame. The second hole in the fastening mechanism is used to cooperate with other locking devices to fix the top of the container.

[0024] In this utility model, taking the fastening of the front end of the container to the base frame as an example, the front vertical beam is provided with a front vertical beam pin hole. The locking pin is inserted into the first hole and the front vertical beam pin hole in sequence, so that the stop pin is embedded in the groove, and the locking ring is fastened to the outer periphery of the limiting piece, thereby fastening the base frame to the front end.

[0025] The fastening mechanism of this invention can be used for quick fastening between the front end (or door end) and the base frame. When the container needs to be folded, the fastening mechanism of this invention also facilitates quick disassembly, which helps improve folding efficiency. The fastening mechanism of this invention also helps ensure the rigidity and strength of the folding container. Furthermore, in the folded state of the container, the fastening mechanism of this invention can be used in conjunction with other locking devices to secure the top of the container to the base frame, ensuring the stability of the folded container. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the limiting plate of the fastening mechanism of this utility model.

[0027] Figure 2 This is a schematic diagram of the locking pin of the fastening mechanism of this utility model.

[0028] Figure 3 This is a schematic diagram of the fastening mechanism of this utility model in use when the container is unfolded.

[0029] Figure 4 This is a schematic diagram of the fastening mechanism of this utility model in use when the container is folded.

[0030] The annotations in the attached figures are explained as follows:

[0031] 1-Limiting plate, 111-Body A, 112-Body B, 1111-First hole, 1112-Groove, 1121-Second hole; 12-Limiting piece.

[0032] 2-Locking pin, 21-Locking pin body, 22-Stop pin, 23-Locking ring;

[0033] 130 - Top corner piece; 240 - Bottom corner piece; 530 - Front vertical beam; 532 - Front vertical beam pin hole. Detailed Implementation

[0034] The present invention will be further described below with reference to specific embodiments, but the scope of protection of the present invention is not limited thereto.

[0035] Example 1

[0036] Figure 1 This is a schematic diagram of the limiting plate of the fastening mechanism of this utility model. Figure 2This is a schematic diagram of the locking pin of the fastening mechanism of this utility model. Figure 3 This is a schematic diagram of the fastening mechanism of this utility model in use when the container is unfolded. Figure 4 This is a schematic diagram of the fastening mechanism of this utility model in use when the container is folded (used in conjunction with another locking device).

[0037] like Figures 1 to 4 As shown, the fastening mechanism of this utility model includes a limiting plate 1 and a locking pin 2.

[0038] like Figure 1 As shown, the limiting plate 1 includes a limiting plate body and a limiting piece 12.

[0039] The limiting plate body includes body A111 and body B112. Body B112 is a rectangular flat plate structure. In use, body A111 is located below body B112. The thickness of body A111 is greater than the thickness of body B112. The top surface of body A111 and the front surface of body B112 form a right angle. The back surfaces of body A111 and body B112 are coplanar. Figure 1 (From a certain perspective); the back of the main body A111 has a recess with a cross-section resembling an isosceles trapezoid. The upper base of this isosceles trapezoid is located on the main body A111.

[0040] The limiting plate body is provided with a first hole 1111 and a second hole 1121. Specifically, the first hole 1111 is provided on the body A111 and is close to the bottom of the body A111. The second hole 1121 is provided on the body B112 and is close to the top of the body B112.

[0041] In use, the second hole 1121 is located above the first hole 1111. A groove 1112 is provided on the top of the first hole 1111, with the opening of the groove 1112 facing the first hole 1111. The groove 1112 and the first hole 1111 are connected. The groove 1112 has three openings: openings at both ends and a middle opening, which is the groove opening. The line connecting the center points of the openings at both ends is parallel to the direction of the central axis of the first hole 1111.

[0042] Both the first hole 1111 and the second hole 1121 are circular holes. The plane determined by the central axis of the first hole 1111 and the central axis of the second hole 1121 is perpendicular to the plane of the front of the body B.

[0043] A limiting piece 12 is disposed on the limiting plate body and located below the first hole 1111. The width direction of the limiting piece 12 is the same as the thickness direction of the limiting plate body. The limiting piece 12 is disposed near the bottom of the body A111. The limiting piece 12 is an arc-shaped piece, with its arc center close to the central axis of the first hole 1111. The length of the line connecting the center points of the two ends of the limiting piece 12 is greater than or equal to the diameter of the first hole 1111.

[0044] like Figure 2 As shown, the locking pin 2 includes a locking pin body 21, a stop pin 22, and a locking ring 23. The locking pin body 21 matches the first hole 1111 and can be inserted into the first hole 1111. The stop pin 22 is disposed on the locking pin body 21 and matches the groove 1112. The locking ring 23 matches the limiting piece 12. When the stop pin 22 is inserted into the groove 1112, the locking ring 23 can be fastened to the periphery of the limiting piece 12.

[0045] The locking pin body 21 is cylindrical. The locking pin body 21 includes a first body and a second body connected together; the length of the first body is greater than the length of the second body, and the diameter of the first body is smaller than the diameter of the second body. A stop pin 22 is disposed on the first body. A locking ring 23 is movably disposed on the second body. Specifically, the two ends of the locking ring 23 are rotatably disposed on both sides of the second body, and the line connecting the two ends of the locking ring 23 passes through the central axis of the second body (this line intersects and is perpendicular to the central axis of the second body).

[0046] Example 2

[0047] This embodiment provides a collapsible container, which includes the fastening mechanism described in Embodiment 1. The collapsible container has a front end and a door end arranged relatively parallel to each other, a base frame, and four bottom corner pieces 240. Detailed connection methods and structures can be found in what is known in the art and will not be elaborated here.

[0048] A collapsible container employs four fastening mechanisms as described in Example 1. Figure 3 As shown, taking the front end as an example, the front end has a front vertical beam 530, and a front vertical beam pin hole 532 is provided on the front vertical beam 530. In the unfolded state of the container, the limiting plate 1 is vertically connected to the bottom corner piece 240 of the folding container and can be welded together. The first hole 1111 is located above the bottom corner piece 240. The locking pin body 21 is inserted into the first hole 1111 of the limiting plate 1 and the front vertical beam pin hole 532 in sequence, the stop pin 22 is embedded in the groove 1112, and the locking ring 23 is fastened to the outer periphery of the limiting plate 12. In this way, in the unfolded state of the container, the bottom frame and the front end (or door end) can be quickly locked. Furthermore, when the container needs to be folded, this locking device is easy to disassemble quickly.

[0049] In addition, such as Figure 4 As shown, when the container is folded, the fastening mechanism of Embodiment 1 can be used in conjunction with other locking devices. This locking device is connected to the corner piece 130 and has a fixing plate and a fixing pin. The fixing plate has a circular hole (this is only a brief description; this invention does not protect this locking device). The fixing pin passes through the circular hole and the second hole 1121 of the fixing plate in sequence and locks. Simultaneously, the locking pin body 21 of the fastening mechanism of this invention is inserted into the first hole 1111 of the limiting plate 1 in sequence and locks. This locks the top of the folded container to the base frame.

[0050] This utility model is not limited to the above-described embodiments. Any modifications, improvements, or substitutions that can be conceived by those skilled in the art without departing from the essential content of this utility model fall within the scope of this utility model.

Claims

1. A fastening mechanism, characterized in that, include: A limiting plate, comprising a limiting plate body and a limiting piece; The limiting plate body is provided with a first hole and a second hole; In use, the second hole is located above the first hole, and a groove is provided at the top of the first hole, which is connected to the first hole; the limiting piece is arc-shaped, is disposed on the limiting plate body, and is located below the first hole; A locking pin includes a locking pin body, a stop pin, and a locking ring; the locking pin body matches the first hole and is configured to be inserted into the first hole; the stop pin is disposed on the locking pin body and matches the groove; the locking ring matches the limiting piece. When the stop pin is inserted into the groove, the locking ring is configured to fasten around the periphery of the limiting piece.

2. The fastening mechanism according to claim 1, characterized in that, Both the first hole and the second hole are circular holes.

3. The fastening mechanism according to claim 2, characterized in that: The limiting plate body includes body A and body B; in use, body A is located below body B, the thickness of body A is greater than the thickness of body B, the top surface of body A and the front surface of body B form a right angle structure, the back surface of body A and the back surface of body B are coplanar; the back surface of body A is provided with a recess with a cross section similar to a trapezoid. The first hole is provided on the body A, and the second hole is provided on the body B.

4. The fastening mechanism according to claim 2, characterized in that, The width direction of the limiting piece is the same as the thickness direction of the limiting plate body; the arc center of the limiting piece is close to the central axis of the first hole.

5. The fastening mechanism according to claim 2, characterized in that, The length of the line connecting the center points of the two ends of the limiting piece is greater than or equal to the diameter of the first hole.

6. The fastening mechanism according to claim 1, characterized in that, The locking pin body is configured as a cylindrical structure.

7. The fastening mechanism according to claim 6, characterized in that, The locking pin body includes a first body and a second body connected together; the length of the first body is greater than the length of the second body, and the diameter of the first body is smaller than the diameter of the second body.

8. The fastening mechanism according to claim 7, characterized in that, The stop pin is disposed on the first body.

9. The fastening mechanism according to claim 7, characterized in that, The locking ring is movably disposed on the second body.

10. A folding container, characterized in that, It includes the fastening mechanism as described in any one of claims 1 to 9; in the unfolded state of the container, the limiting plate is vertically connected to the bottom corner piece of the folding container, and the first hole is located above the bottom corner piece.

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