A glued cardboard

Abstract

The utility model provides a kind of glued cardboard, including multiple foot props of bottom fixed connection, and connecting plate is equipped between foot prop. Plate body side is equipped with assembly seat and installs adjusting mechanism, and this mechanism includes fixed frame, limit axle core, adjusting wheel and insert rod. Fixed frame is movably connected T-shaped protection frame by shaft rod, and through hole and arc slot are equipped in shaft rod, and limit block is equipped in limit axle core and is rotatable with cooperation. Limit axle core one end is connected adjusting wheel, and the other end is connected with shaft rod through torsion spring to realize automatic reset. Adjusting wheel is equipped with multiple insertion hole, and it can be fixed by inserting insert rod. The utility model can flexibly adjust protection frame angle and lock, adapt to different size goods, enhance protection and stability, and structure is reasonable and easy to operate.

Description

Technical Field

[0001] This utility model belongs to the field of cardboard technology, specifically relating to a plywood cardboard. Background Technology

[0002] Plywood pallets are a common type of pallet widely used across various industries. Based on their application, they can be categorized into ordinary plywood and specialty plywood. Specialty plywood pallets are primarily used for the following purposes: Grade 1 pallets are suitable for high-end architectural decoration, mid-to-high-end furniture, and various appliance housings; Grade 2 pallets are suitable for ordinary furniture, general construction, vehicle and ship decoration; Grade 3 pallets are used for low-end building decoration and packaging materials; and Grade 1 pallets are specifically used for high-end architectural decoration, high-end furniture, and other products with special requirements.

[0003] Existing plywood pallets still have some shortcomings in practical use, especially in terms of providing stable support for objects. In contrast, the solution provided by this utility model can effectively improve the stability of supporting objects, while also being easy to assemble and disassemble, greatly facilitating carrying and transportation. This solution is simple to operate, has significant effects, and has high practical value.

[0004] Chinese utility model patent CN215437479U discloses a plywood pallet, including a first plate and a limiting frame. A second plate is disposed above the first plate. A protective frame is fixedly connected to the upper right side of the limiting frame. A buffer groove is provided through the right side of the protective frame. A telescopic rod is provided on the inner left side of the buffer groove. Five sets of telescopic rods are arranged at equal intervals. A spring is provided on the side of one end of each telescopic rod. A buffer pad is fixedly connected to one end of each telescopic rod. A support block is fixedly connected to the upper end of the first plate. Three sets of support blocks are arranged at equal intervals. The lower end of the second plate is fixedly connected to the upper end of the support block. Slots are provided through both sides of the upper end of the second plate. Placement slots are provided through both sides of the second plate. This utility model can improve the stability of objects and facilitate carrying, installation, and use. However, the inability to adjust the distance of the limiting frame greatly affects its use. Utility Model Content

[0005] The purpose of this utility model is to provide a glued pallet to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a plywood board, comprising a board body, with multiple legs fixedly installed at the bottom of the board body, and connecting plates fixedly connected between the multiple legs. The board body has four T-shaped receiving slots, and each of the four sides of the board body has an assembly seat. An adjustment mechanism is fixedly installed on the assembly seat. The adjustment mechanism includes a fixing frame, a limiting shaft, an adjusting wheel, and a plug rod. The fixing frame has a movable hole, and a protective frame is movably installed in the movable hole via a shaft. The shaft has a through hole, and the inner wall of the through hole has an arc-shaped groove. The limiting shaft has a limiting block, and the through hole is movably installed with the limiting shaft. The limiting block is limited and engaged with the through hole. One end of the limiting shaft is fixedly connected to the adjusting wheel, and the other end of the limiting shaft has a first fixing hole. The shaft has a second limiting hole, and the first fixing hole is fixedly connected to the second limiting hole via a torsion spring. The adjusting wheel has multiple plug holes.

[0007] Preferably, a spring is fixedly installed between the insertion rod and the fixing frame.

[0008] Preferably, the protective frame is fixedly fitted with a protective rubber sleeve, the protective rubber sleeve being made of silicone rubber.

[0009] Preferably, a steel plate is fixedly installed inside the plate body by an insert injection molding process.

[0010] Preferably, the plate body has a notch located next to the T-shaped receiving groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The protective frame of this utility model has a T-shaped structure, which is adapted to the four T-shaped receiving slots on the plate for easy storage. Each of the four sides of the plate has a mounting base, and each mounting base is equipped with an adjustment mechanism. This adjustment mechanism includes a fixed frame with a movable hole, which is movably connected to the protective frame via a shaft. The shaft has a through hole for a limiting shaft core to pass through. The limiting shaft core has a limiting block that engages with the arc-shaped groove on the inner wall of the through hole, allowing the limiting shaft core to rotate relative to the shaft within a certain angle range. One end of the limiting shaft core is fixedly connected to an adjusting wheel, and the other end has a first fixing hole; a second limiting hole is provided at the corresponding position on the shaft. The two are connected by a torsion spring, giving the limiting shaft core a tendency to automatically reset during rotation. This structure provides a buffer when the protective frame swings, effectively protecting the goods on the pallet. The adjusting wheel has multiple insertion holes, and the position can be fixed by inserting a rod. In actual use, the angle of the protective frame can be adjusted according to the size of the goods, thereby changing the distance between the protective frame and the goods. After the adjusting wheel rotates to the appropriate position with the protective frame, insert the plug rod to fix the adjusting wheel, thus completing the angle adjustment and locking of the protective frame. Attached Figure Description

[0013] Figure 1 This is a structural view of the protective frame of this utility model in its stored state.

[0014] Figure 2 This is a structural view of the protective frame of this utility model in the raised state.

[0015] Figure 3 This is a structural view of the assembly base of this utility model.

[0016] Figure 4 This is an exploded structural view of the adjustment mechanism of this utility model.

[0017] Figure 5 This is a cross-sectional view of the plate body of this utility model.

[0018] The diagram is labeled as follows: 1. Plate body; 2. Foot support; 3. Connecting plate; 4. T-shaped receiving groove; 5. Assembly seat; 6. Adjustment mechanism; 7. Fixing frame; 8. Limiting shaft; 9. Adjusting wheel; 10. Insert rod; 11. Movable hole; 12. Shaft; 13. Protective frame; 14. Through hole; 15. Arc groove; 16. Limiting block; 17. First fixing hole; 18. Second limiting hole; 19. Torsion spring; 20. Insertion hole; 21. Spring; 22. Protective rubber sleeve; 23. Steel plate; 24. Notch. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1:

[0021] This utility model provides a plywood board, including a board body 1. Multiple supports 2 are fixedly installed at the bottom of the board body 1, and connecting plates 3 are fixedly connected between the supports 2. The board body 1 has four T-shaped receiving slots 4, and mounting seats 5 are provided on each of the four sides of the board body 1. Adjustment mechanisms 6 are fixedly installed on the mounting seats 5. The adjustment mechanism 6 includes a fixing frame 7, a limiting shaft 8, an adjusting wheel 9, and a plug rod 10. The fixing frame 7 has a movable hole 11, and a protective frame is movably installed in the movable hole 11 via a shaft 12. 13. The shaft 12 has a through hole 14, and the inner wall of the through hole 14 has an arc-shaped groove 15. The limiting shaft core 8 has a limiting block 16. The through hole 14 and the limiting shaft core 8 are movably installed. The limiting block 16 is in a limiting fit with the through hole 14. One end of the limiting shaft core 8 is fixedly connected to the adjusting wheel 9, and the other end of the limiting shaft core 8 has a first fixing hole 17. The shaft 12 has a second limiting hole 18. The first fixing hole 17 is fixedly connected to the second limiting hole 18 through a torsion spring 19. The adjusting wheel 9 has multiple insertion holes 20. A spring 21 is fixedly installed between the insertion rod 10 and the fixing frame 7. A protective rubber sleeve 22 is fixedly installed on the protective frame 13. The protective rubber sleeve 22 is made of silicone rubber. A steel plate 23 is fixedly installed inside the plate body 1 through an insert injection molding process. The plate body 1 also has a notch 24 located next to the T-shaped receiving groove 4.

[0022] Through the above technical solution, the protective frame 13 of this utility model has a T-shaped structure, which is adapted to the four T-shaped receiving slots 4 provided on the plate 1, making it easy to store. Each of the four sides of the plate 1 is provided with a mounting seat 5, and each mounting seat 5 is equipped with an adjustment mechanism 6. The adjustment mechanism 6 includes a fixed frame 7, which has a movable hole 11 and is movably connected to the protective frame 13 via a shaft 12. The shaft 12 has a through hole 14 inside, through which a limiting shaft core 8 passes. The limiting shaft core 8 has a limiting block 16, which cooperates with the arc-shaped groove 15 on the inner wall of the through hole 14, allowing the limiting shaft core 8 to rotate relative to the shaft 12 within a certain angle range. One end of the limiting shaft core 8 is fixedly connected to the adjusting wheel 9, and the other end has a first fixed hole 17; the shaft 12 has a corresponding second limiting hole 18, and the two are connected by a torsion spring 19, so that the limiting shaft core 8 has a tendency to automatically reset when rotating. This structure can provide a buffering effect when the protective frame 13 swings, effectively protecting the goods on the pallet. The adjusting wheel 9 has multiple insertion holes 20, which can be used to fix its position by inserting the insertion rod 10. In actual use, the angle of the protective frame 13 can be adjusted according to the size of the goods, thereby changing the distance between the protective frame 13 and the goods. After the adjusting wheel 9 rotates to the appropriate position with the protective frame 13, the insertion rod 10 is inserted to fix the adjusting wheel 9, thus completing the angle adjustment and locking of the protective frame 13.

[0023] Example 2:

[0024] In this embodiment, the bottom of the plate 1 is fixedly equipped with multiple foot supports 2, and the multiple foot supports 2 are fixedly connected with connecting plates 3. The plate 1 is provided with four T-shaped receiving grooves 4, and each of the four sides of the plate 1 is provided with a mounting seat 5. The mounting seat 5 is fixedly equipped with an adjustment mechanism 6. The adjustment mechanism 6 includes a fixed frame 7, a limiting shaft core 8, an adjusting wheel 9, and a plug rod 10. The fixed frame 7 is provided with a movable hole 11. The movable hole 11 is movably installed with a protective frame 13 through a shaft 12. The shaft 12 is provided with a through hole 14. The inner wall of the through hole 14 is provided with an arc groove 15. The limiting shaft core 8 is provided with a limiting block 16. The through hole 14 is movably installed with the limiting shaft core 8, and the limiting block 16 is limited to the through hole 14. One end of the limiting shaft core 8 is fixedly connected to the adjusting wheel 9, and the other end of the limiting shaft core 8 is provided with a first fixed hole 17. The shaft 12 is provided with a second limiting hole 18. The first fixed hole 17 is fixedly connected to the second limiting hole 18 through a torsion spring 19. The adjusting wheel 9 is provided with multiple plug holes 20.

[0025] In its implementation, the plate 1 is made of plywood, with multiple evenly distributed feet 2 at its bottom. The feet 2 are fixedly connected to the plate 1 by bolts or welding, and the feet 2 are connected by connecting plates 3 to enhance the overall structural stability. The upper surface of the plate 1 is flat and suitable for placing various goods. Four T-shaped receiving slots 4 are symmetrically distributed along the edge of the plate 1, and the slot opening size matches the T-shaped cross-section of the protective frame 13, allowing the protective frame 13 to be fully embedded in the slot when not in use, achieving compact storage and reducing space occupation. The mounting base 5 on each side is a metal casting, which is fastened to the side of the plate 1 with screws to ensure that the adjustment mechanism 6 is firmly installed. The fixing frame 7 in the adjustment mechanism 6 has a U-shaped structure, with coaxial movable holes 11 on both side walls. The shaft 12 passes through the movable holes 11 and is fixedly connected to one end of the protective frame 13, allowing the protective frame 13 to swing around the axis of the shaft 12. A through hole 14 is formed axially inside the shaft 12. An arc-shaped groove 15 is machined on the inner wall of the through hole 14, and the curvature of the arc-shaped groove 15 matches the sliding trajectory of the limiting block 16. The limiting shaft core 8 is a cylindrical rod, and the protruding limiting block 16 on its surface mates with the arc-shaped groove 15, restricting the limiting shaft core 8 to rotate relative to the shaft 12 only within a certain angular range. One end of the limiting shaft core 8 extends outward from the outside of the fixing frame 7 and is connected to the adjusting wheel 9 by a key or weld. The adjusting wheel 9 is disc-shaped, with multiple evenly distributed insertion holes 20 around its circumference. The insertion holes 20 have a moderate depth, facilitating the insertion of the insertion rod 10. The first fixing hole 17 at the other end of the limiting shaft core 8 is connected to the second limiting hole 18 on the shaft 12 by a torsion spring 19. The preload of the torsion spring 19 gives the limiting shaft core 8 a tendency to return to its initial position. When the protective frame 13 is swayed by an external force, the shaft 12 rotates accordingly, causing the limiting shaft core 8 to rotate against the force of the torsion spring 19. The adjusting wheel 9 rotates synchronously to different angle positions. At this time, inserting the insert rod 10 can lock the adjusting wheel 9, thereby fixing the angle of the protective frame 13. This structure enables the angle of the protective frame 13 to be adjustable, adapting to the protection needs of goods of different sizes. At the same time, the torsion spring 19 provides cushioning, reducing the impact of collisions with goods.

[0026] Furthermore, the protective frame 13 is made of lightweight, high-strength materials. Its T-shaped design not only facilitates storage but also enhances structural rigidity. A bearing is installed at the connection between the protective frame 13 and the shaft 12 to reduce friction and ensure smoother swinging. The number of insertion holes 20 on the adjusting wheel 9 is set to 8 to 12 according to the required angle adjustment precision. The insertion rod 10 is made of stainless steel with a handle at the end for easy operation. Rubber pads are added to the contact surface between the mounting base 5 and the plate 1 to prevent loosening and wear. In use, the user manually swings the protective frame 13 according to the size of the goods, and the adjusting wheel 9 rotates accordingly. When the protective frame 13 reaches the desired angle, the insertion rod 10 is inserted into the corresponding insertion hole 20 to fix its position. To store the protective frame 13, the insertion rod 10 is pulled out, and the protective frame 13 automatically returns to its original position under the action of the torsion spring 19 and embeds itself into the T-shaped receiving groove 4. This embodiment, through the combination of mechanical linkage and elastic elements, achieves rapid adjustment and stable locking of the protective frame 13, improving the adaptability and protective effect of the pallet for goods.

[0027] Furthermore, the feet 2 at the bottom of the plate 1 are all at the same height, ensuring the plate is placed stably. The connecting plate 3 connects laterally to the feet 2, increasing the overall torsional strength. The depth of the T-shaped receiving groove 4 is slightly greater than the thickness of the protective frame 13, keeping the surface of the plate 1 flat after storage. All metal parts of the adjustment mechanism 6 are rust-proofed, extending their service life. In actual operation, users can independently adjust the angles of the four protective frames 13 to form a customized protective area, which is particularly suitable for securing irregularly shaped goods. The elastic coefficient of the torsion spring 19 has been calculated to provide sufficient restoring force without excessively hindering manual adjustment. This design simplifies the adjustment process, can be completed without tools, and greatly improves ease of use and efficiency.

[0028] Example 3:

[0029] In this embodiment, multiple supports 2 are fixedly installed at the bottom of the plate 1. The supports 2 are interconnected by connecting plates 3 to enhance the stability of the overall structure. The plate 1 has four T-shaped receiving slots 4. The design of these slots is adapted to the T-shaped structure of the protective frame 13, facilitating storage of the protective frame 13 when not in use, saving space and facilitating transportation. Each of the four sides of the plate 1 has a mounting base 5. Each mounting base 5 is fixedly installed with an adjustment mechanism 6, which includes a fixed frame 7, a limiting shaft core 8, an adjusting wheel 9, and a plug rod 10. The fixed frame 7 has a movable hole 11. The protective frame 13 is movably installed in the movable hole 11 via a shaft 12, allowing the protective frame 13 to swing around the shaft 12 within a certain angle range. The shaft 12 has a through hole 14 inside, and an arc-shaped groove 15 is machined on the inner wall of the through hole 14. The limiting shaft core 8 passes through the through hole 14 and is movably connected to the shaft 12. A limiting block 16 is provided on the limiting shaft core 8. The limiting block 16 cooperates with the arc-shaped groove 15 on the inner wall of the through hole 14 to limit the rotation range of the limiting shaft core 8, ensuring that it can only rotate within a preset angle. One end of the limiting shaft core 8 is fixedly connected to the adjusting wheel 9, and the other end is provided with a first fixing hole 17. A second limiting hole 18 is provided at a corresponding position on the shaft 12. The first fixing hole 17 and the second limiting hole 18 are connected by a torsion spring 19. The elastic tendency of the torsion spring 19 enables the limiting shaft core 8 to have an automatic reset function after rotation, thereby providing a buffering effect when the protective frame 13 swings, effectively protecting the goods carried on the pallet from impact. The adjusting wheel 9 is provided with multiple insertion holes 20 for inserting insertion rods 10 to fix the position of the adjusting wheel 9. A spring 21 is fixedly installed between the insert rod 10 and the fixing frame 7. The elastic force of the spring 21 keeps the insert rod 10 pressed tightly into the insertion hole 20 of the adjusting wheel 9, preventing the insert rod 10 from accidentally dislodging from the insertion hole 20 during use and ensuring that the protective frame 13 can be stably fixed after adjustment. When it is necessary to adjust the angle of the protective frame 13 to accommodate goods of different sizes, the user can first pull out the insert rod 10 to release the lock on the adjusting wheel 9, and then swing the protective frame 13 to the desired position. At this time, the adjusting wheel 9 rotates with the protective frame 13, and the limiting shaft core 8 provides cushioning under the action of the torsion spring 19 to avoid sudden movement. After adjustment, insert the insert rod 10 into the corresponding insertion hole 20 on the adjusting wheel 9. The elastic force of the spring 21 will push the insert rod 10 to firmly lock into the insertion hole 20, completing the fixation of the protective frame 13. This design not only improves the stability of the plywood plate in supporting objects, but also makes the adjustment operation of the protective frame 13 simple and quick, easy to disassemble and carry, and has high practical value.

[0030] In practical implementation, the T-shaped structure design of the protective frame 13 allows it to be fully embedded in the T-shaped receiving groove 4 of the plate 1 during storage, reducing the overall volume and facilitating storage and transportation. The fixing frame 7 in the adjustment mechanism 6 is firmly installed on the mounting base 5 by bolts or welding, ensuring the rigidity of the overall structure. The fit between the movable hole 11 and the shaft 12 is precision machined to ensure the smoothness and stability of the protective frame 13 during swing. The fit between the limiting block 16 on the limiting shaft core 8 and the arc groove 15 on the inner wall of the through hole 14 not only limits the rotation angle but also provides additional guiding function to prevent the limiting shaft core 8 from shifting during rotation. The torsion spring 19 is connected by common hooks or press-fit fixation to ensure its elasticity is durable and effective. The insertion holes 20 on the adjusting wheel 9 are evenly distributed, covering the possible swing range of the protective frame 13. Users can select different insertion hole 20 positions according to actual needs to achieve multi-level adjustment. The insertion rod 10 and spring 21 are installed using a sleeve or slot structure. One end of the spring 21 is fixed to the fixing bracket 7, and the other end pushes the insertion rod 10, ensuring that the insertion rod 10 remains in the inserted state without external force. This spring 21-assisted insertion rod 10 mechanism effectively prevents accidental loosening due to vibration or impact, improving reliability. The entire adjustment process requires no tools and can be completed by the user through simple manual operation, making it suitable for various warehousing and logistics environments.

[0031] Furthermore, in application, the angle of the protective frame 13 can be flexibly adjusted according to the size and shape of the goods, thereby changing the contact distance between the protective frame 13 and the goods and providing customized support and protection. For example, for larger goods, the protective frame 13 can be adjusted to a larger angle to expand the support range; for fragile items, a smaller angle adjustment can provide a tight wrapping effect. The buffering effect of the torsion spring 19 can absorb some impact energy during loading, unloading, or transportation, reducing the risk of damage to the goods. The cooperation between the insert rod 10 and the spring 21 ensures a firm lock after adjustment, and the protective frame 13 remains stable and will not shift on its own even on uneven ground or during movement. This design not only enhances the functionality of the pallet but also extends its service life, making it suitable for the logistics needs of various industries such as construction, furniture, and appliances. The overall structure is simple and reliable, with low manufacturing costs, making it easy to mass-produce and promote.

[0032] Example 4:

[0033] In this embodiment, multiple supports 2 are fixedly installed at the bottom of the plate 1. The multiple supports 2 are fixedly connected by connecting plates 3 to enhance the stability of the overall structure. The plate 1 is provided with four T-shaped receiving slots 4. The design of these receiving slots is adapted to the T-shaped structure of the protective frame 13, which facilitates the storage of the protective frame 13 when not in use, saving space. Each of the four sides of the plate 1 is provided with a mounting base 5, and an adjustment mechanism 6 is fixedly installed on each mounting base 5. The adjustment mechanism 6 includes a fixed frame 7, a limiting shaft core 8, an adjusting wheel 9, and a plug rod 10. The fixed frame 7 is provided with a movable hole 11. The protective frame 13 is movably installed in the movable hole 11 through a shaft 12, so that the protective frame 13 can swing around the shaft 12. The shaft 12 is provided with a through hole 14. The inner wall of the through hole 14 is machined with an arc-shaped groove 15. The limiting shaft core 8 passes through the through hole 14 and is movably engaged with the through hole 14. A limiting block 16 is provided on the limiting shaft core 8. The limiting block 16 is engaged with the arc-shaped groove 15 on the inner wall of the through hole 14, allowing the limiting shaft core 8 to rotate at a certain angle within the shaft 12 without disengaging. One end of the limiting shaft core 8 is fixedly connected to the adjusting wheel 9, and the other end is provided with a first fixing hole 17. A second limiting hole 18 is provided at a corresponding position on the shaft 12. The first fixing hole 17 and the second limiting hole 18 are fixedly connected by a torsion spring 19. The torsion spring 19 gives the limiting shaft core 8 a tendency to automatically reset after rotation, thereby providing a buffer when the protective frame 13 swings, effectively protecting the goods on the pallet. The adjusting wheel 9 is provided with multiple insertion holes 20. By inserting the insertion rod 10, the adjusting wheel 9 can be fixed, thereby locking the angle of the protective frame 13.

[0034] In this embodiment, a protective sleeve 22, made of silicone rubber, is fixedly installed on the protective frame 13. Silicone rubber has excellent elasticity, wear resistance, and weather resistance, effectively absorbing external impact and reducing hard contact between the goods and the protective frame 13. When the goods are placed on the pallet 1, the protective frame 13 is adjusted to a suitable angle by the adjustment mechanism 6, so that the protective sleeve 22 fits tightly against the side of the goods, forming a flexible buffer layer. This design not only prevents the goods from being damaged by collisions during transportation or storage, but also enhances the pallet's wrapping effect on the goods and improves support stability. The silicone rubber material of the protective sleeve 22 also has good anti-slip properties, which can further prevent the goods from shifting and ensure safety. In addition, the protective sleeve 22 is easy to clean and maintain, extending the service life of the pallet. By adjusting the angle of the adjustment mechanism 6, the protective frame 13 can be flexibly adapted to the size of the goods. Combined with the protective function of the protective sleeve 22, the pallet's multi-functional and efficient use is realized.

[0035] In actual operation, the user first manually swings the protective frame 13 according to the size and shape of the goods, rotating it around the shaft 12 to the desired angle. At this time, the limiting shaft 8 rotates with the protective frame 13, and the limiting block 16 on it slides in the arc groove 15 of the through hole 14, compressing or stretching the torsion spring 19 and storing elastic potential energy. When the protective frame 13 reaches the appropriate position, the user inserts the plug rod 10 into the corresponding plug hole 20 on the adjusting wheel 9 to fix the adjusting wheel 9 and the limiting shaft 8, thereby locking the angle of the protective frame 13. The protective rubber sleeve 22 then fits tightly against the goods, forming a protective layer. If adjustment or storage is required, simply pull out the plug rod 10, and the protective frame 13 will automatically reset under the action of the torsion spring 19 or can be manually adjusted, making operation simple. Throughout the process, the silicone rubber material of the protective rubber sleeve 22 fully plays its role in cushioning and anti-slip, complementing the mechanical cooperation of the adjusting mechanism 6, ensuring the reliability and practicality of the pallet in various application scenarios.

[0036] This embodiment of the plywood pallet achieves comprehensive protection for goods by integrating a protective sleeve 22 and an adjustment mechanism 6. The silicone rubber material of the protective sleeve 22 is scientifically and rationally selected, considering both durability and environmental factors. The adjustment mechanism 6 is ingeniously designed, utilizing the cooperation of a limiting shaft 8 and a torsion spring 19 to provide stable angle adjustment and locking functions, allowing the protective frame 13 to quickly adapt to goods of different sizes. This structure not only improves the versatility of the pallet but also reduces usage costs, making it suitable for various fields such as logistics, warehousing, and manufacturing. Furthermore, the detachable or fixed installation method of the protective sleeve 22 can be selected according to actual needs, further enhancing the product's flexibility. Overall, this embodiment demonstrates the innovative advantages of plywood pallets in cargo support and protection, possessing high market promotion value.

[0037] Example 5:

[0038] In this embodiment, the plate body 1 is formed from multi-layer plywood through a hot-pressing process, and a steel plate 23 is fixedly installed inside it through an insert injection molding process. The steel plate 23 is pre-stamped into a grid structure, and its edges are provided with multiple positioning holes, which cooperate with the positioning pins in the injection mold of the plate body 1 to ensure that the position of the steel plate 23 is stable and does not shift during the injection molding process. During insert injection molding, the preheated steel plate 23 is placed in the mold cavity, and molten polypropylene material is injected. The material flows and wraps around the grid gaps of the steel plate 23 and fills the positioning holes. After cooling, a composite structure of plate body 1 and steel plate 23 is formed. The steel plate 23 acts as a reinforcing skeleton and is evenly distributed inside the plate body 1, significantly improving the overall bending strength and impact resistance. When the pallet bears heavy objects, the steel plate 23 distributes local stress to the entire area of ​​the plate body 1 through the grid structure, avoiding cracking or deformation of the plate body 1 due to stress concentration. This design is particularly suitable for heavy equipment transportation scenarios, as it maintains the lightweight characteristics of plywood while possessing a load-bearing capacity close to that of a metal pallet.

[0039] Nine injection-molded engineering plastic legs 2 are fixedly installed at the bottom of the plate 1, arranged in a three-row, three-column matrix. Each leg 2 has a threaded mounting post at the top, which is connected and fixed to a nut pre-embedded in the bottom of the plate 1 using self-tapping screws. Adjacent legs 2 are connected to each other by connecting plates 3. The connecting plates 3 have an H-shaped cross-section design, with slots at both ends to engage with the flanges on the sides of the legs 2, and are reinforced with bolts. The connecting plates 3 and the legs 2 together form a stable support frame, effectively preventing lateral displacement of the legs 2 under load. The bottom of each leg 2 is inlaid with anti-slip rubber pads. The surface of the rubber pads is textured to increase friction with the ground and cushion vibrations generated during handling.

[0040] The upper surface of the board 1 has four symmetrically distributed T-shaped receiving grooves 4, the depth of which is two-thirds of the thickness of the board 1, and the inclination angle of the groove walls matches the T-shaped ends of the protective frame 13. When the protective frame 13 is retracted, its T-shaped ends are fully embedded in the receiving grooves, making the upper surface of the protective frame 13 flush with the upper surface of the board 1, facilitating the stacking, storage, or transportation of empty pallets. Drainage holes are provided at the bottom of the receiving grooves to promptly drain accumulated liquids, preventing mold growth on the plywood due to prolonged dampness.

[0041] Each of the four sides of the plate 1 is equipped with an aluminum alloy die-cast mounting base 5, which is connected to a metal sleeve pre-embedded on the side of the plate 1 by countersunk bolts. Each mounting base 5 is equipped with an adjustment mechanism 6. The fixing frame 7 of the adjustment mechanism 6 has a U-shaped structure, with coaxial movable holes 11 on its two side plates. A surface-hardened shaft 12 is installed in the movable hole 11, and the middle of the shaft 12 is fixed to the connecting end of the protective frame 13 by a flat key. The protective frame 13 is made of hollow rectangular tubing bent into an inverted U-shape, with its leg ends machined into T-shaped ends, forming an insertion fit with the T-shaped receiving groove 4 on the plate 1.

[0042] The shaft 12 has a through hole 14 at its center, and the inner wall of the through hole 14 is machined with symmetrically arranged arc-shaped grooves 15. The limiting shaft core 8 is a stepped shaft structure, with a limiting block 16 in its middle section. The protruding part of the limiting block 16 slides in engagement with the arc-shaped grooves 15 on the inner wall of the through hole 14. This engagement method allows the limiting shaft core 8 to rotate relative to the shaft 12 only within a set angle range. One end of the limiting shaft core 8 is connected to the adjusting wheel 9 via a spline. The adjusting wheel 9 has twelve evenly distributed insertion holes 20 on its outer circumference, and the depth of the insertion holes 20 is two-thirds of the wheel thickness. The other end of the limiting shaft core 8 is machined with a first fixing hole 17, and the corresponding shaft 12 has a second limiting hole 18. A helical torsion spring 19 is installed between the two holes. In its natural state, the torsion spring 19 keeps the limiting shaft core 8 in a neutral position. When the protective frame 13 is subjected to external force and swings, the shaft 12 drives the limiting shaft core 8 to compress the torsion spring 19, forming a buffer effect.

[0043] In actual operation, adjust the angle of the protective frame 13 according to the size of the goods. Pull the protective frame 13 outward to disengage it from the T-shaped receiving slot 4, and then rotate the protective frame 13 to the desired angle. At this time, the adjusting wheel 9 rotates synchronously with the limiting shaft 8. When the insertion hole 20 on the adjusting wheel 9 aligns with the positioning hole on the side plate of the fixing frame 7, insert the insertion rod 10 into the hole to lock it in place. This design allows the protective frame 13 to be steplessly adjusted within the range of 0-90 degrees, providing both enclosure protection for small goods and lateral support for large goods. The insertion rod 10 is equipped with an anti-loss chain at the end to prevent loss during frequent disassembly and assembly.

[0044] When the pallet is subjected to an accidental impact, the protective frame 13 can achieve a small elastic swing through the adjustment mechanism 6. The impact force is transmitted to the shaft 12 through the protective frame 13, which drives the limiting shaft core 8 to compress the torsion spring 19, converting the impact energy into the elastic potential energy of the torsion spring 19.

[0045] Example 6:

[0046] In this embodiment, the bottom of the plate 1 is fixedly equipped with multiple foot supports 2, and the multiple foot supports 2 are fixedly connected with connecting plates 3. The plate 1 is provided with four T-shaped receiving grooves 4, and each of the four sides of the plate 1 is provided with a mounting seat 5. The mounting seat 5 is fixedly equipped with an adjustment mechanism 6. The adjustment mechanism 6 includes a fixed frame 7, a limiting shaft core 8, an adjusting wheel 9, and a plug rod 10. The fixed frame 7 is provided with a movable hole 11. The movable hole 11 is movably installed with a protective frame 13 through a shaft 12. The shaft 12 is provided with a through hole 14. The inner wall of the through hole 14 is provided with an arc groove 15. The limiting shaft core 8 is provided with a limiting block 16. The through hole 14 is movably installed with the limiting shaft core 8, and the limiting block 16 is limited to the through hole 14. One end of the limiting shaft core 8 is fixedly connected to the adjusting wheel 9, and the other end of the limiting shaft core 8 is provided with a first fixed hole 17. The shaft 12 is provided with a second limiting hole 18. The first fixed hole 17 is fixedly connected to the second limiting hole 18 through a torsion spring 19. The adjusting wheel 9 is provided with multiple plug holes 20. The plate 1 has a notch 24 on the side of the T-shaped receiving groove 4, which makes it easy for the operator to hold the protective frame 13 in the T-shaped receiving groove 4 and adjust the angle of the protective frame 13.

[0047] In one embodiment, the plywood plate 1 is constructed with a multi-layer plywood structure, providing high load-bearing strength and stability. Multiple supports 2 are fixedly installed at the bottom of the plate 1, evenly distributed below it and interconnected by connecting plates 3, enhancing the overall structural rigidity. Four T-shaped receiving slots 4 are symmetrically arranged at the four corners of the plate 1 to accommodate the protective frame 13. The protective frame 13 has a T-shaped structure that matches the shape of the T-shaped receiving slots 4. When not in use, the protective frame 13 can be completely embedded in the receiving slots, reducing space occupation and facilitating storage and transportation. Each of the four sides of the plate 1 has a mounting base 5, fixed to the plate 1 by bolts or welding. Each mounting base 5 is equipped with an adjustment mechanism 6. The core components of the adjustment mechanism 6 include a fixing frame 7, a limiting shaft 8, an adjusting wheel 9, and a plug rod 10. The fixing frame 7 is fixed to the mounting base 5, with a movable hole 11 at its center. The protective frame 13 is movably installed within the movable hole 11 via a shaft 12. The shaft 12 has a through hole 14 inside, and an arc-shaped groove 15 is machined on the inner wall of the through hole 14. The limiting shaft core 8 passes through the through hole 14, and the limiting block 16 on its surface cooperates with the arc-shaped groove 15, so that the limiting shaft core 8 can rotate relative to the shaft 12 within a certain angle range. One end of the limiting shaft core 8 is fixedly connected to the adjusting wheel 9, and the other end has a first fixing hole 17. The shaft 12 has a second limiting hole 18 at the corresponding position. The two are connected by a torsion spring 19, which provides a restoring force so that the limiting shaft core 8 can automatically return to its original position after rotation. Multiple insertion holes 20 are evenly distributed on the circumference of the adjusting wheel 9. The insertion rod 10 can be inserted into any of the insertion holes 20 to fix the position of the adjusting wheel 9. The plate 1 has a notch 24 on the side of the T-shaped receiving groove 4. The notch 24 is located at the edge of the receiving groove and has a moderate depth, which makes it easy for the operator's fingers to reach in and hold the protective frame 13. When the angle of the protective frame 13 needs to be adjusted, the operator can easily grasp the protective frame 13 from the notch 24, pull it out of the T-shaped receiving slot 4, and swing it to the desired angle. The protective frame 13 is connected to the fixed frame 7 via the shaft 12. During the swinging process, the limiting shaft core 8 rotates with the adjusting wheel 9, and the torsion spring 19 provides a buffering effect to prevent sudden movement from damaging the goods. After the adjusting wheel 9 rotates to the appropriate position, the operator inserts the insertion rod 10 into the corresponding insertion hole 20 to lock the adjusting wheel 9, thereby fixing the angle of the protective frame 13. This design allows the protective frame 13 to be flexibly adjusted according to the size of the goods, improving support stability. At the same time, the notch 24 simplifies the operation process and improves ease of use.

[0048] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0049] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A plywood pallet, comprising a board body, wherein a plurality of legs are fixedly mounted on the bottom of the board body, and connecting plates are fixedly connected between the plurality of legs, characterized in that, The plate body has four T-shaped receiving slots, and each of the four sides of the plate body has an assembly seat. An adjustment mechanism is fixedly installed on the assembly seat. The adjustment mechanism includes a fixed frame, a limiting shaft, an adjusting wheel, and a plug rod. The fixed frame has a movable hole, and a protective frame is movably installed in the movable hole through a shaft. The shaft has a through hole, and the inner wall of the through hole has an arc-shaped groove. The limiting shaft has a limiting block. The through hole and the limiting shaft are movably installed. The limiting block and the through hole are in a limiting fit. One end of the limiting shaft is fixedly connected to the adjusting wheel, and the other end of the limiting shaft has a first fixed hole. The shaft has a second limiting hole. The first fixed hole is fixedly connected to the second limiting hole through a torsion spring. The adjusting wheel has multiple plug holes.

2. The plywood according to claim 1, characterized in that, A spring is fixedly installed between the insertion rod and the fixing frame.

3. The plywood according to claim 1, characterized in that, The protective frame is fixedly fitted with a protective rubber sleeve, which is made of silicone rubber.

4. The plywood according to claim 1, characterized in that, A steel plate is fixedly installed inside the plate body using an insert injection molding process.

5. A plywood board according to claim 1, characterized in that, The plate has a notch located next to the T-shaped receiving groove.

Images