Unlocking mechanism of pressing type twist lock

Abstract

The utility model discloses an unlocking mechanism of a pressing type twist lock, which comprises a main beam and a twist lock arranged at the lower end of the main beam, two fixed plates are arranged on the main beam, an adjusting bolt is arranged on the fixed plate at one end in a penetrating manner, and a movable plate capable of sliding is further arranged on the fixed plate; a pressing bolt is further arranged on the main beam in a penetrating mode, the pressing bolt right faces the pressing twisting block of the twist lock, and the pressing bolt rotates to abut against the pressing twisting block and continuously presses downwards. The adjusting bolt rotates relative to the nut, so that the head of the adjusting bolt slides, then the movable plate, the clamping plate and the friction block on the same side are driven to slide, the clamping plate and the friction block which are fixed on the right side are matched, transverse clamping of the twist lock is completed, and the twist lock is prevented from moving in the follow-up pressing process. The friction block is additionally arranged to clamp the twist lock, so that the clamping firmness is improved; state switching and maintaining are conducted on the twist lock by adjusting the pressing bolt, and time and labor are saved; a plurality of twist locks can be arranged at the same time, and the universality is good.

Description

Technical Field

[0001] This utility model relates to the field of folding box technology, and more specifically, to a pressing twist lock unlocking mechanism. Background Technology

[0002] For horizontally folding container products, the torsion locks on the four top corner pieces require pressing down on a top pressing block to switch their on / off states. The end frame can only be installed in place when both torsion locks on each end frame are open simultaneously. Manual force alone cannot provide the necessary pressing force for unlocking. Currently, a flat iron is typically welded above the pressing block of the torsion lock, and the button is continuously pressed by tightening a bolt passing through the center of the flat iron, ultimately switching the torsion lock state. The drawback of this method is that it requires repeated welding and removal of the flat iron, which is not only time-consuming and labor-intensive but also easily damages the paint on the surface of the torsion lock. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a pressing-type twist lock unlocking mechanism to solve one or more of the above-mentioned problems.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A pressing-type twist lock unlocking mechanism includes a main beam and a twist lock installed at the lower end of the main beam. Two fixing plates are provided on the main beam, and the two fixing plates are located on both sides of the twist lock.

[0006] An adjusting bolt is provided on one end of the fixed plate, and a movable plate that can slide linearly is also provided on the fixed plate at that end. The adjusting bolt rotates to abut against the movable plate and drives it to move closer to the torsion lock.

[0007] The main beam is also equipped with a pressing bolt, which is directly opposite the pressing block of the torsion lock. The pressing bolt rotates to abut against the pressing block and continues to press down.

[0008] Furthermore, each of the fixed plates is provided with a corner bracket on its outer side, and the corner bracket is also connected to the lower end face of the main beam.

[0009] Furthermore, an adjusting nut is fixedly provided on the outer side of the fixing plate where the adjusting bolt is provided, and the adjusting bolt passes through the fixing plate and is connected to the adjusting nut.

[0010] Furthermore, the inner side of the fixing plate is provided with a clamping plate, and the center of the inner side of the clamping plate is provided with a groove, and a friction block is provided in the groove, with the friction block protruding from the groove.

[0011] Furthermore, the fixed plate and the movable plate, which are equipped with the adjusting bolts, are provided with aligned through holes at opposite corners. A sliding bolt passes through the through hole, and a stop nut is provided at the end of the sliding bolt.

[0012] Furthermore, a plurality of torsion locks and corresponding pressing bolts are provided between the two fixing plates.

[0013] In summary, this utility model has the following beneficial effects: by adjusting the rotation of the bolt relative to the nut, the head of the adjusting bolt slides, which in turn drives the movable plate, clamping plate, and friction block on the same side to slide. Together with the clamping plate and friction block fixed on the right side, the lateral clamping of the torsion lock is completed, preventing the torsion lock from moving during subsequent pressing; the addition of friction blocks to clamp the torsion lock improves the reliability of the clamping; the state of the torsion lock can be switched and maintained by adjusting the pressing bolt, saving time and effort; the structure can be equipped with multiple torsion locks at the same time, making it highly versatile. Attached Figure Description

[0014] Figure 1 A three-dimensional structural schematic diagram of one embodiment of the present utility model;

[0015] Figure 2 A front view of one embodiment of this utility model;

[0016] Figure 3 A bottom view of one embodiment of this utility model;

[0017] Figure 4 A side sectional view of one embodiment of this utility model;

[0018] Figure 5 A schematic diagram of a multi-torsion lock structure according to one embodiment of this utility model.

[0019] In the diagram: 1. Main beam; 2. Torsion lock; 3. Fixed plate; 4. Adjusting bolt; 5. Movable plate; 6. Pressing bolt; 7. Angle seat; 8. Adjusting nut; 9. Clamping plate; 10. Friction block; 11. Sliding bolt. Detailed Implementation

[0020] Example:

[0021] The following is in conjunction with the appendix Figure 1-5 The present invention will be described in further detail below.

[0022] A push-button twist lock 2 unlocking mechanism is based on the main beam 1 of the folding box, such as... Figure 1 and Figure 2As shown, a torsion lock 2 is installed at the lower end of the main beam 1. A fixing plate 3 is installed at the bottom of the main beam 1 and on both sides of the torsion lock 2, with the fixing plates 3 installed vertically. To enhance structural stability and ensure that the fixing plates 3 can provide sufficient support to other components, an additional corner bracket 7 is installed at the bottom of the main beam 1. The angled edges of the corner bracket 7 connect to the fixing base and the bottom of the main beam 1, forming a stable triangular support structure. The side of all components closest to the torsion lock 2 is the inner side.

[0023] like Figure 3 and Figure 4 As shown, the left fixed plate 3 has through holes diagonally, through which a horizontal sliding bolt 11 passes. The right end of the sliding bolt 11 also passes through the movable plate 5, which also has through holes diagonally. The through holes of the left fixed plate 3 and the movable plate 5 are horizontally aligned. The bolt cap of the sliding bolt 11 is secured to the outside of the left fixed plate 3, and a stop nut is provided at the end of the sliding bolt 11, located on the right side of the movable plate 5. The bolt cap strengthens the connection between the sliding bolt 11 and the fixed plate 3, while the stop nut restricts the range of motion of the movable plate 5. The movable plate 5 can slide linearly along the sliding bolt 11.

[0024] like Figure 2 and Figure 3 As shown, an adjusting bolt 4 is also inserted through the center of the fixed plate 3 on the left side. The right end of the adjusting bolt 4 can be rotated to contact and push the movable plate 5 towards the torsion lock 2. On the left side of the fixed plate 3, at the installation position corresponding to the adjusting bolt 4, a corresponding adjusting nut 8 is welded. The adjusting bolt 4 also passes through the adjusting nut 8, and the rotation of the adjusting bolt 4 is mainly completed by the cooperation of the adjusting nut 8.

[0025] like Figure 2 As shown, clamping plates 9 are provided on the inner sides of the fixing plate 3, i.e., the right side of the left fixing plate 3 and the left side of the right fixing plate 3. Corresponding grooves are formed in the center of the inner sides of the clamping plates 9, i.e., the right side of the left clamping plate 9 and the left side of the right clamping plate 9. Friction blocks 10 are bonded or embedded in these grooves. The friction blocks 10 can be made of a material similar to rubber, which can significantly enhance the friction between their surface and the surface of the twist lock 2. The friction blocks 10 need to protrude from the grooves to ensure direct contact with the surface of the twist lock 2.

[0026] like Figure 2 As shown, a screw hole is provided at the bottom end of the main beam 1 corresponding to the pressing block of the twist lock 2, and a pressing bolt 6 is inserted into the screw hole. The pressing block of the twist lock 2 is located on the vertical sliding trajectory of the pressing bolt 6. The pressing bolt 6 can continuously press against the pressing block of the twist lock 2.

[0027] If the number of torsion locks 2 needs to be increased, such as Figure 5As shown, this is a double twist lock 2 clamping structure, which can increase the length of the main beam 1. One twist lock 2 is set on the left fixing plate 3, and another twist lock 2 is set on the right fixing plate 3. Each twist lock 2 has a separate screw hole on the main beam 1 and a separate pressing bolt 6. A connecting rod is set between the twist locks 2 to form a linked clamping structure.

[0028] When the folding case unfolds, first rotate the adjusting bolt 4 to move it to the right relative to the adjusting nut 8, so that it contacts the left side of the movable plate 5. Continue rotating the adjusting bolt 4, which will cause the movable plate 5, the clamping plate 9 on the movable plate 5, and the friction block 10 to move to the right together until they contact and clamp the left end face of the twist lock 2. The friction blocks 10 at both ends clamp and fix the twist lock 2 to prevent it from moving when the pressing bolt 6 moves. After confirming that the twist lock 2 is clamped, rotate the pressing bolt 6. The end of the pressing bolt 6 contacts and continuously presses down on the pressing block of the twist lock 2 until the twist lock 2 completes the state switch. Throughout the entire process, a stable force is applied to the twist lock 2. Compared with repeatedly welding and cutting plates, this structure is undoubtedly time-saving, labor-saving, and low-cost.

[0029] It should be noted that this specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A pressing-type twist lock unlocking mechanism, comprising a main beam (1) and a twist lock (2) installed at the lower end of the main beam (1), characterized in that: The main beam (1) is provided with two fixing plates (3), which are located on both sides of the torsion lock (2); An adjusting bolt (4) is provided on one end of the fixed plate (3), and a movable plate (5) that can slide linearly is also provided on the fixed plate (3) at this end. The adjusting bolt (4) rotates to abut against the movable plate (5) and drives it to move closer to the torsion lock (2). The main beam (1) is also provided with a pressing bolt (6), which is directly opposite the pressing block of the torsion lock (2). The pressing bolt (6) rotates to abut against the pressing block and continues to press down.

2. The unlocking mechanism of the push-button type twist lock according to claim 1, characterized in that: Each of the fixed plates (3) has a corner seat (7) on its outer side, and the corner seat (7) is also connected to the lower end face of the main beam (1).

3. The unlocking mechanism of the push-button type twist lock according to claim 1, characterized in that: An adjusting nut (8) is fixedly provided on the outer side of the fixing plate (3) which is provided with the adjusting bolt (4). The adjusting bolt (4) passes through the fixing plate (3) and is connected to the adjusting nut (8).

4. The unlocking mechanism of the push-button type twist lock according to claim 1, characterized in that: The inner side of the fixing plate (3) is provided with a clamping plate (9), and a groove is provided in the center of the inner side of the clamping plate (9). A friction block (10) is provided in the groove, and the friction block (10) protrudes from the groove.

5. The unlocking mechanism of the push-button type twist lock according to claim 1, characterized in that: The fixed plate (3) and the movable plate (5) with the adjusting bolt (4) are provided with aligned through holes at opposite corners. A sliding bolt (11) is inserted into the through hole, and a stop nut is provided at the end of the sliding bolt (11).

6. The unlocking mechanism of the push-button type twist lock according to claim 1, characterized in that: Multiple torsion locks (2) and corresponding pressing bolts (6) are provided between the two fixing plates (3).

Images