Stack-stable folding device for cargo transport

Abstract

This invention discloses a folding device for stable stacking of goods for transportation, comprising two first fixed shells and two second fixed shells. One end of each of the two first fixed shells is fixedly connected to one end of each of the two second fixed shells. Length plates are slidably connected to the other ends of both the first and second fixed shells. Side plates are hinged to one side of each of the four length plates, and the opposite ends of every two opposing side plates are hinged. A locking mechanism is installed between every two opposing side plates. Both locking mechanisms include a height shell and a height rod. This invention uses locking blocks, slots, connecting posts, and connecting grooves. The locking blocks engage with the corresponding slots, and the connecting posts engage with the corresponding connecting grooves, providing double locking and effectively preventing horizontal displacement and tipping during stacking, thus improving stacking safety. No tools are required for unfolding or folding. The folded size is small, significantly reducing empty transport costs. The hollow enclosure balances lightweight design with load-bearing capacity.

Description

Technical Field

[0001] This invention relates to the field of logistics turnover equipment technology, specifically to a folding device for transporting goods with stable stacking. Background Technology

[0002] In the fields of logistics warehousing and freight transportation, foldable turnover boxes, pallets and other equipment are widely used because they can save empty transport space. Foldable equipment for freight transportation, such as foldable turnover boxes, foldable warehouse cages and foldable containers, have many significant advantages. They are especially suitable for modern logistics, warehousing and multimodal transport scenarios. The volume after folding is usually only 1 / 4 to 1 / 5 of the unfolded state. When stacking empty boxes, 1,000 boxes can save 11-21 cubic meters of storage space, significantly reducing the cost of empty box return and storage.

[0003] However, traditional folding devices generally suffer from two key problems: First, the structure lacks rigidity after unfolding, and is prone to tilting, shifting, or even collapse when multiple layers are stacked. Secondly, the folding and unfolding operations are cumbersome, and some designs require the use of tools, which affects operational efficiency. Especially in long-distance transportation and frequent loading and unloading scenarios, the stacking stability is directly related to cargo safety and transportation costs.

[0004] Therefore, there is an urgent need for a folding device for cargo transportation that combines high stacking stability, convenient folding function, and high strength. Summary of the Invention

[0005] The purpose of this invention is to provide a folding device for transporting goods with stable stacking, in order to solve the problems mentioned in the background art: first, the structure is not rigid enough after unfolding, and it is easy to tilt, shift or even collapse when stacked in multiple layers; second, the folding and unfolding operation is cumbersome, and some designs require tools, which affects the efficiency of operation. Especially in the scenario of long-distance transportation and frequent loading and unloading, the stacking stability is directly related to the safety of goods and transportation costs.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a stackable and stable folding device for transporting goods, comprising two first fixed shells and two second fixed shells. One end of each of the two first fixed shells is fixedly connected to one end of each of the two second fixed shells. The other ends of the two first fixed shells and the other ends of the two second fixed shells are slidably connected to length plates. One side of each of the four length plates is hinged to a side plate. The opposite ends of each pair of side plates are hinged together. A locking mechanism is installed between each pair of opposite side plates. Both locking mechanisms include a height housing and a height rod, with one end of the height housing slidably connected to one end of the height rod, and the other end of the height rod movably connected to a movable block; Worms are rotatably connected to one side of the inner walls of the two first fixed shells and one side of the inner walls of the two second fixed shells. A rotating shaft is rotatably connected to one end of the inner walls of the two first fixed shells and one end of the inner walls of the two second fixed shells. A worm wheel is rotatably connected to the surface of each of the four rotating shafts. A sliding platform is fixedly installed on the surface of each of the four length plates. A sliding block is slidably connected to one side of each of the four sliding platforms.

[0007] As a further technical solution of the present invention, a directional rod is fixedly installed on one side of each of the four worm gears, the top ends of the four directional rods are movably connected to the bottom ends of the four sliding blocks respectively, and the outer sides of the four worm gears are respectively engaged with the four worms.

[0008] As a further technical solution of the present invention, a handle is fixedly installed at one end of each of the four worm gears, and a magnetic block is fixedly installed at one end of each of the four handles. The four magnetic blocks are magnetically connected to the two first fixed shells and the two second fixed shells respectively. When the user rotates the handle, the handle drives the worm gear to rotate. The worm gear contacts the worm wheel, and the worm wheel is subjected to friction, which drives the shaft to rotate. The worm wheel drives the direction rod to move synchronously. The direction rod pushes the sliding block to slide along the sliding platform. The vertical height of the direction rod changes, thereby adjusting the position of the length plate relative to the fixed shell and adjusting the volume of the folding device.

[0009] As a further technical solution of the present invention, telescopic rods are fixedly installed at the bottom ends of the inner walls of the two first fixed shells and the bottom ends of the inner walls of the two second fixed shells. The movable ends of the four telescopic rods are respectively fixedly connected to the side of the four length plates facing each other. During the sliding process of the length plates relative to the fixed shells, the movable ends of the telescopic rods slide along the fixed ends of the telescopic rods, thereby improving the stability of the sliding of the length plates.

[0010] As a further technical solution of the present invention, the movable block is slidably connected to the opposite side plate, and the other end of the height shell is rotatably connected to the opposite side plate. The surface of the height shell is threaded with a locking screw, and the height shell is fixedly connected to the height rod through the locking screw. The user slides the height rod along the height shell to adjust the length of the locking mechanism. The height rod pushes the movable block to adjust the angle between the two opposite side plates. The user tightens the locking screw, and the thread on the surface of the locking screw matches the thread on the inner wall of the height shell. Therefore, the locking screw rotates and translates relative to the height shell, fixing the height shell and the height rod together, thus completing the fixation of the unfolded side plate.

[0011] As a further technical solution of the present invention, an installation rod is fixedly installed on one side of each of the four side plates, a positioning block is fixedly installed on one end of each of the four installation rods, and a positioning shell is fixedly installed on one end of each of the four length plates. The four positioning blocks are respectively arranged corresponding to the four positioning shells. When the user folds the side plate, the positioning block is inserted into the positioning shell, and the side plate is fixed on the length plate.

[0012] As a further technical solution of the present invention, a number of connecting posts are fixedly installed on one side of each of the four side plates, and a number of connecting slots are opened on the other side of each of the four side plates. The number of connecting posts are respectively arranged in correspondence with the number of connecting slots, and the side plates located at the same height are neatly stacked together by the connecting posts and connecting slots.

[0013] As a further technical solution of the present invention, a plurality of slots are provided on one side of the two first fixed shells and one side of the two second fixed shells, and a plurality of pins are fixedly installed on the other side of the two first fixed shells and the other side of the two second fixed shells. The plurality of slots are respectively arranged in correspondence with the plurality of pins, and the fixed shells located at the same height are neatly stacked together by the pins and slots.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. By setting up card blocks, card slots, connecting posts, and connecting grooves, the card blocks are locked into the corresponding card slots, and the connecting posts are locked into the corresponding connecting grooves, providing double locking and effectively preventing horizontal shifting and tipping during stacking, thus improving stacking safety. 2. No tools are required; one person can unfold or fold it. The folded size is small, which greatly reduces the cost of empty transportation. The hollow panel balances lightweight and load-bearing capacity. 3. By setting a length plate and a fixed shell, the length plate slides relative to the fixed shell, adjusting the volume of the entire appliance, making it easy to transport items of different sizes, and thus highly practical. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a connection diagram of the first fixed shell and the worm gear of the present invention; Figure 3 This is a connection diagram of the side plate and the locking mechanism of the present invention; Figure 4 This is a connection diagram of the first fixing shell and the length plate of the present invention.

[0016] In the diagram: 1. First fixed shell; 2. Length plate; 3. Side plate; 4. Locking mechanism; 41. Height shell; 42. Locking screw; 43. Height rod; 44. Movable block; 5. Connecting column; 6. Positioning shell; 7. Mounting rod; 8. Positioning block; 9. Second fixed shell; 10. Slot; 11. Locking post; 12. Worm gear; 13. Handle; 14. Magnetic block; 15. Telescopic rod; 16. Rotating shaft; 17. Worm gear; 18. Direction rod; 19. Sliding platform; 20. Sliding block. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figure 1-4 The present invention provides a folding device for stacking and stabilizing cargo transportation, comprising two first fixing shells 1 and two second fixing shells 9. One end of each of the two first fixed shells 1 is fixedly connected to one end of each of the two second fixed shells 9. The other ends of the two first fixed shells 1 and the other ends of the two second fixed shells 9 are slidably connected to length plates 2. One side of each of the four length plates 2 is hinged to a side plate 3. The opposite ends of each pair of opposite side plates 3 are hinged. A locking mechanism 4 is installed between each pair of opposite side plates 3. Both locking mechanisms 4 include a height shell 41 and a height rod 43. One end of the height shell 41 is slidably connected to one end of the height rod 43, and the other end of the height rod 43 is movably connected to a movable block 44. Worms 12 are rotatably connected to one side of the inner wall of each of the two first fixed shells 1 and one side of the inner wall of each of the two second fixed shells 9. A rotating shaft 16 is rotatably connected to one end of the inner wall of each of the two first fixed shells 1 and one end of the inner wall of each of the two second fixed shells 9. Worm gears 17 are rotatably connected to the surfaces of the four rotating shafts 16. Sliding platforms 19 are fixedly installed on the surfaces of the four length plates 2. Sliding blocks 20 are slidably connected to one side of each of the four sliding platforms 19.

[0019] Each of the four worm gears 17 has a directional rod 18 fixedly installed on one side. The top of the four directional rods 18 is movably connected to the bottom of the four sliding blocks 20, and the outer sides of the four worm gears 17 are respectively engaged with the four worms 12.

[0020] Each of the four worm gears 12 has a handle 13 fixedly installed at one end, and a magnet 14 is fixedly installed at one end of each of the four handles 13. The four magnets 14 are magnetically connected to the two first fixed shells 1 and the two second fixed shells 9, respectively.

[0021] When in use, the user turns the handle 13, which drives the worm gear 12 to rotate. The worm gear 12 contacts the worm wheel 17, and the worm wheel 17 is subjected to friction, which drives the rotating shaft 16 to rotate. The worm wheel 17 also drives the direction rod 18 to move synchronously. The direction rod 18 pushes the sliding block 20 to slide along the sliding platform 19. The vertical height of the direction rod 18 changes, adjusting the position of the length plate 2 relative to the fixed shell and adjusting the volume of the folding device.

[0022] Telescopic rods 15 are fixedly installed at the bottom of the inner walls of the two first fixed shells 1 and the bottom of the inner walls of the two second fixed shells 9. The movable ends of the four telescopic rods 15 are fixedly connected to the sides of the four length plates 2 respectively.

[0023] During use, as the length plate 2 slides relative to the fixed shell, the movable end of the telescopic rod 15 slides along the fixed end of the telescopic rod 15, improving the stability of the length plate 2 during sliding.

[0024] The movable block 44 is slidably connected to the opposite side plate 3, and the other end of the height shell 41 is rotatably connected to the opposite side plate 3. The surface of the height shell 41 is threaded with a locking screw 42, and the height shell 41 is fixedly connected to the height rod 43 by the locking screw 42.

[0025] In use, the user slides the height rod 43 along the height shell 41 to adjust the length of the locking mechanism 4. The height rod 43 pushes the movable block 44 to adjust the angle between the two opposing side plates 3. The user tightens the locking screw 42. The thread on the surface of the locking screw 42 matches the thread on the inner wall of the height shell 41, so the locking screw 42 rotates and translates relative to the height shell 41, fixing the height shell 41 and the height rod 43 together, thus completing the fixation of the unfolded side plate 3.

[0026] Each of the four side plates 3 has a mounting rod 7 fixedly installed on one side, and a positioning block 8 fixedly installed on one end of each of the four mounting rods 7. Each of the four length plates 2 has a positioning shell 6 fixedly installed on one end, and the four positioning blocks 8 are respectively set to correspond to the four positioning shells 6.

[0027] When in use, when the user folds the side panel 3, the positioning block 8 snaps into the positioning shell 6, fixing the side panel 3 onto the length plate 2.

[0028] Several connecting posts 5 are fixedly installed on one side of each of the four side plates 3, and several connecting slots are opened on the other side of each of the four side plates 3. The several connecting posts 5 are respectively set to correspond to the several connecting slots.

[0029] In use, the side plates 3 at the same height are neatly stacked together by connecting columns 5 and connecting slots.

[0030] Several slots 10 are provided on one side of each of the two first fixed shells 1 and one side of each of the two second fixed shells 9. Several locking posts 11 are fixedly installed on the other side of each of the two first fixed shells 1 and the other side of each of the two second fixed shells 9. The slots 10 are respectively set to correspond to the locking posts 11.

[0031] In use, the fixed shells at the same height are neatly stacked together by the locking post 11 and the locking slot 10.

[0032] In this invention, the user rotates handle 13, which drives worm gear 12 to rotate. Worm gear 12 contacts worm wheel 17, and worm wheel 17, due to friction, drives shaft 16 to rotate. Worm wheel 17 also drives direction rod 18 to move synchronously. Direction rod 18 pushes sliding block 20 along sliding platform 19, changing the vertical height of direction rod 18 and adjusting the position of length plate 2 relative to fixed shell, thus adjusting the volume of the folding device. The user rotates side plate 3 relative to length plate 2. When the user folds side plate 3, positioning block 8 engages with positioning shell 6, fixing side plate 3 to length plate 2. When the user unfolds side plate 3, the user moves along... The height rod 43 slides along the height housing 41 to adjust the length of the locking mechanism 4. The height rod 43 pushes the movable block 44 to adjust the angle between the two opposing side plates 3. The user tightens the locking screw 42. The thread on the surface of the locking screw 42 matches the thread on the inner wall of the height housing 41. Therefore, the locking screw 42 rotates and translates relative to the height housing 41, fixing the height housing 41 and the height rod 43 together, thus completing the fixation of the unfolded side plate 3. The side plates 3 at the same height are neatly stacked together by the connecting post 5 and the connecting groove. The fixed housings at the same height are neatly stacked together by the locking post 11 and the locking groove 10.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A stackable folding device for transporting goods, comprising two first fixed shells (1) and two second fixed shells (9). Its features are: One end of each of the two first fixed shells (1) is fixedly connected to one end of each of the two second fixed shells (9). The other ends of the two first fixed shells (1) and the other ends of the two second fixed shells (9) are slidably connected to length plates (2). One side of each of the four length plates (2) is hinged to a side plate (3). The opposite ends of each pair of side plates (3) are hinged together. A locking mechanism (4) is installed between each pair of side plates (3). Both locking mechanisms (4) include a height shell (41) and a height rod (43). One end of the height shell (41) is slidably connected to one end of the height rod (43), and the other end of the height rod (43) is movably connected to a movable block (44). Worms (12) are rotatably connected to one side of the inner wall of the two first fixed shells (1) and one side of the inner wall of the two second fixed shells (9). A rotating shaft (16) is rotatably connected to one end of the inner wall of the two first fixed shells (1) and one end of the inner wall of the two second fixed shells (9). A worm wheel (17) is rotatably connected to the surface of the four rotating shafts (16). A sliding platform (19) is fixedly installed on the surface of the four length plates (2). A sliding block (20) is slidably connected to one side of the four sliding platforms (19).

2. A stack-stable folding appliance for the transport of goods according to claim 1, characterized in that: A direction rod (18) is fixedly installed on one side of each of the four worm gears (17). The top of each of the four direction rods (18) is movably connected to the bottom of each of the four sliding blocks (20). The outer sides of each of the four worm gears (17) are meshed with the four worms (12).

3. A stack-stable folding appliance for use in the transport of goods according to claim 1, characterized in that: Each of the four worm gears (12) has a handle (13) fixedly installed at one end, and a magnet (14) is fixedly installed at one end of each of the four handles (13). The four magnets (14) are magnetically connected to the two first fixed shells (1) and the two second fixed shells (9) respectively.

4. A stack-stable folding appliance for use in the transport of goods according to claim 1, characterized in that: Telescopic rods (15) are fixedly installed at the bottom ends of the inner walls of the two first fixed shells (1) and the bottom ends of the inner walls of the two second fixed shells (9). The movable ends of the four telescopic rods (15) are fixedly connected to the side of the four length plates (2) respectively.

5. A stack-stable folding appliance for use in the transport of goods according to claim 1, characterized in that: The movable block (44) is slidably connected to the opposite side plate (3), and the other end of the height shell (41) is rotatably connected to the opposite side plate (3). The surface of the height shell (41) is threaded with a locking screw (42), and the height shell (41) is fixedly connected to the height rod (43) by the locking screw (42).

6. A stack-stable folding appliance for use in the transport of goods according to claim 1, characterized in that: Each of the four side plates (3) is fixedly mounted with an installation rod (7), and each of the four installation rods (7) is fixedly mounted with a positioning block (8) at one end. Each of the four length plates (2) is fixedly mounted with a positioning shell (6) at one end. The four positioning blocks (8) are respectively set to correspond to the four positioning shells (6).

7. A stack-stable folding appliance for use in the transport of goods according to claim 1, characterized in that: Several connecting posts (5) are fixedly installed on one side of each of the four side plates (3), and several connecting slots are opened on the other side of each of the four side plates (3). The several connecting posts (5) are respectively set to correspond to the several connecting slots.

8. A stack-stable folding appliance for use in the transport of goods according to claim 1, characterized in that: A plurality of slots (10) are provided on one side of the two first fixed shells (1) and one side of the two second fixed shells (9). A plurality of pins (11) are fixedly installed on the other side of the two first fixed shells (1) and the other side of the two second fixed shells (9). The plurality of slots (10) are respectively set to correspond to the plurality of pins (11).

Images