Plastic tray with limiting function

Abstract

The utility model relates to the technical field of plastic trays, in particular to a plastic tray with a limiting function, which comprises a tray, a transmission case is fixedly connected to the left side of the tray, a supporting table is arranged at the bottom in the tray, a lifting plate is fixedly connected to the top of the supporting table, and a clamping block is arranged above the lifting plate. A through hole corresponding to the clamping block is formed in the top of the tray, a limiting mechanism is arranged at the bottom of the clamping block, and a lifting mechanism is arranged in the transmission box. Goods are limited through the limiting mechanism, so that part of the device can limit the goods in irregular shapes, storage and pushing of the limiting assembly are achieved through the lifting mechanism, and the stability and convenience of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pallets, in particular to a plastic pallet with a limiting function. Background Art

[0002] A pallet is a medium that transforms static goods into dynamic goods. It is a cargo platform and an active platform, or a movable ground. Even goods that lose flexibility when placed on the ground immediately gain mobility and become flexible mobile goods once they are loaded on a pallet, because the goods loaded on the pallet are always ready to move. This dynamic loading and unloading method with pallets as the basic tool is called pallet operation.

[0003] The existing device mainly uses a flat pallet to transport goods. The existing technology is similar to a plastic pallet with a limiting function. The structure with patent number CN220616561U includes a plastic pallet body, a storage slot is opened on the top of the plastic pallet body, a rotating component is arranged inside the storage slot, a mounting shell is arranged inside the storage slot through the rotating component, the mounting shell is overlapped with the storage slot, a limiting slide slot and a fixing hole are arranged on the surface of the mounting shell, an adjustment component is arranged inside the mounting shell, and a fixing component for fixing the position is arranged on the top of the plastic pallet body. The goal of facilitating the limiting of the goods placed on the plastic pallet is achieved, but the device still has room for optimization.

[0004] The existing devices mainly set a limit component above the pallet, which makes it difficult for some devices to limit irregular-shaped goods, thereby causing some devices to find it difficult to drive the goods for stable transportation. At the same time, some devices find it difficult to store and push the limit component, which makes it inconvenient for some devices to place the goods on the top of the pallet, reducing the working efficiency and practicality of the device. Therefore, in order to solve the above problems, a plastic pallet with a limit function is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic pallet with a limiting function, so as to solve the problem that the existing devices in the prior art mentioned in the above background technology mainly set a limiting component above the pallet, making it difficult for some devices to limit irregular-shaped goods, thereby causing some devices to be difficult to drive the goods for stable transportation, and at the same time, some devices are difficult to store and push the limiting component, thereby causing some devices to be inconvenient to place the goods on the top of the pallet.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic pallet with a limiting function, comprising a pallet, a transmission box is fixedly connected to the left side of the pallet, a support platform is provided at the bottom of the inner part of the pallet, a lifting plate is fixedly connected to the top of the support platform, a clamping block is provided above the lifting plate, and a through hole corresponding to the clamping block is opened on the top of the pallet;

[0007] A limiting mechanism is provided at the bottom of the block. The limiting mechanism includes a top plate, the top of which is fixedly connected to the bottom of the block. A lifting mechanism is provided inside the transmission box, and the lifting mechanism includes a transmission worm, and both ends of the transmission worm are movably connected to the inner wall of the transmission box.

[0008] Preferably, a telescopic rod is fixedly connected to the middle of the bottom of the top plate, a limiting cylinder is sleeved on the bottom of the telescopic rod, a bottom of the limiting cylinder is fixedly connected to a bottom plate, and the top of the bottom plate is fixedly connected to the top of the lifting plate.

[0009] Preferably, the bottom of the top plate is located at an outer ring of the limiting cylinder and is fixedly connected to a spring, and the bottom end of the spring is fixedly connected to the top of the bottom plate.

[0010] Preferably, a second bevel gear is fixedly connected to the middle of the outer wall of the transmission worm, and transmission worm wheels are meshingly connected on both sides of the outer wall of the transmission worm. A symmetrical screw is fixedly connected to the middle of the right side of the transmission worm wheel, and the right end of the symmetrical screw passes through the left side wall of the tray and is movably connected to the inner wall of the tray.

[0011] Preferably, the second bevel gear is meshingly connected with the first bevel gear above, a transmission shaft is fixedly connected to the middle of the top of the first bevel gear, and the top end of the transmission shaft passes through a transmission box and is fixedly connected to a twist cover.

[0012] Preferably, both sides of the outer wall of the symmetrical screw are threadedly connected with sliding screw sleeves, and a push rod is fixedly connected between the sliding screw sleeves. The push rod and the support platform are provided with a limiting slideway corresponding to the push rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model uses the structures of the top plate, telescopic rod, limiting cylinder, bottom plate and spring in the limiting mechanism, and drives the lifting plate to rise through the lifting mechanism, so that the lifting plate drives the card block to pass through the through hole, and then the goods rely on their own mass to drive part of the card block and the top plate to slide downward, so that the card block that is not pressed limits the goods, thereby realizing the limiting of the goods, so that some devices can limit the goods of irregular shapes, which is convenient for stable transportation of the goods, and improves the stability and practicality of the device.

[0015] 2. The utility model uses the transmission worm, the second bevel gear, the first bevel gear, the transmission shaft, the twist cover, the transmission worm wheel, the symmetrical screw, the sliding screw sleeve and the pushing rod and other structures in the lifting mechanism. By rotating the twist cover, the transmission shaft and the first bevel gear are driven to limit rotation, the engagement of the first bevel gear drives the second bevel gear and the transmission worm to limit rotation, the engagement of the transmission worm drives the transmission worm wheel and the symmetrical screw to limit rotation, the symmetrical screw drives the sliding screw sleeve and the pushing rod to slide symmetrically, and the pushing rod drives the support platform and the lifting plate to slide up and down, thereby realizing the lifting and lowering of the lifting plate, so that part of the device can store and push the limit assembly, which is convenient for placing goods on the top of the pallet, thereby improving the convenience and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view stereogram of the structure of the utility model;

[0017] Figure 2 It is a front view cross-sectional stereoscopic diagram of the structure of the utility model;

[0018] Figure 3 It is a front perspective view of the local structure of the clamping block and the limiting mechanism of the utility model;

[0019] Figure 4 It is a front cross-sectional stereoscopic view of the local structure of the transmission box and the lifting mechanism of the utility model.

[0020] In the figure: 11, tray; 12, transmission box; 13, support platform; 14, lifting plate; 15, block; 16, through hole; 2, limit mechanism; 21, top plate; 22, telescopic rod; 23, limit cylinder; 24, bottom plate; 25, spring; 3, lifting mechanism; 31, transmission worm; 32, second bevel gear; 33, first bevel gear; 34, transmission shaft; 35, twist cover; 36, transmission worm gear; 37, symmetrical screw; 38, sliding screw sleeve; 39, push rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , an embodiment provided by the utility model:

[0023] A plastic pallet with a limiting function comprises a pallet 11, a transmission box 12 is fixedly connected to the left side of the pallet 11, a support platform 13 is provided at the bottom of the inner part of the pallet 11, a lifting plate 14 is fixedly connected to the top of the support platform 13, and a clamping block 15 is provided above the lifting plate 14 (Note: in order to facilitate the display in the drawings of the specification, the array number of the clamping block 15 is enlarged and reduced, and the array number of the clamping block 15 is actually relatively dense.), and a through hole 16 corresponding to the clamping block 15 is opened on the top of the pallet 11;

[0024] A limiting mechanism 2 is provided at the bottom of the block 15. The limiting mechanism 2 includes a top plate 21, the top of the top plate 21 is fixedly connected to the bottom of the block 15, a telescopic rod 22 is fixedly connected to the middle of the bottom of the top plate 21, a limiting cylinder 23 is sleeved on the bottom of the telescopic rod 22, the bottom of the limiting cylinder 23 is fixedly connected to a bottom plate 24, the top of the bottom plate 24 is fixedly connected to the top of the lifting plate 14, through this design, the telescopic rod 22 drives the block 15 and the top plate 21 to slide in a limited manner, the bottom of the top plate 21 is located at the outer ring of the limiting cylinder 23 and is fixedly connected to a spring 25, the bottom end of the spring 25 is fixedly connected to the top of the bottom plate 24, through this design, the spring 25 drives the top plate 21 to automatically reset, so that part of the block 15 that is not pressed by the goods is limited.

[0025] The transmission box 12 is provided with a lifting mechanism 3 inside, and the lifting mechanism 3 includes a transmission worm 31, and both ends of the transmission worm 31 are movably connected to the inner wall of the transmission box 12, and a second bevel gear 32 is fixedly connected to the middle of the outer wall of the transmission worm 31, and a transmission worm wheel 36 is meshedly connected to both sides of the outer wall of the transmission worm 31, and a symmetrical screw 37 is fixedly connected to the middle of the right side of the transmission worm wheel 36, and the right end of the symmetrical screw 37 passes through the left side wall of the tray 11 and is movably connected to the inner wall of the tray 11. Through this design, the transmission worm 31 drives the transmission worm wheel 36 and the symmetrical screw 37 to rotate in a limited position, and the upper part of the second bevel gear 32 is meshedly connected to the first bevel gear 32. The top of the transmission shaft 34 passes through the transmission box 12 and is fixedly connected to a twist cover 35. Through this design, the twist cover 35 drives the transmission worm 31 to rotate in a limited position. The outer walls of the symmetrical screw 37 are threadedly connected with sliding screw sleeves 38 on both sides. A push rod 39 is fixedly connected between the sliding screw sleeves 38. The push rod 39 and the support platform 13 are provided with a limited slideway corresponding to the push rod 39. Through this design, the symmetrical screw 37 drives the sliding screw sleeve 38 and the push rod 39 to slide symmetrically, so that the push rod 39 drives the support platform 13 and the lifting plate 14 to slide up and down.

[0026] Working principle: when the lifting plate 14 needs to be lifted or lowered, firstly, the twist cover 35 is rotated, and the twist cover 35 drives the transmission shaft 34 to limit the rotation, and the transmission shaft 34 drives the first bevel gear 33 to rotate synchronously, and the first bevel gear 33 engages to drive the second bevel gear 32 to rotate, and the second bevel gear 32 drives the transmission worm 31 to limit the rotation, and the transmission worm 31 engages to drive the transmission worm wheel 36 to rotate synchronously, and the transmission worm wheel 36 drives the symmetrical screw 37 to limit the rotation, and the symmetrical screw 37 drives the sliding screw sleeve 38 to slide symmetrically, and the sliding screw sleeve 38 drives the push rod 39 to slide synchronously, and the push rod 39 drives the support platform 13 and the lifting plate 14 to slide up and down, thereby realizing the lifting and lowering operation of the lifting plate 14.

[0027] When the goods need to be limited, the lifting plate 14 is first driven up by the lifting mechanism 3, so that the lifting plate 14 drives the block 15 to pass through the through hole 16, and then the goods rely on their own weight to drive part of the block 15 and the top plate 21 to slide downward, and the top plate 21 drives the telescopic rod 22 to slide in the limiting cylinder 23 and compress the spring 25, so that the block 15 that is not pressed limits the goods, thereby realizing the limiting operation of the goods, and the operation ends here.

[0028] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A plastic pallet with a limiting function, comprising a pallet (11), characterized in that: The left side of the tray (11) is fixedly connected to a transmission box (12); the bottom of the tray (11) is provided with a support platform (13); the top of the support platform (13) is fixedly connected to a lifting plate (14); a clamping block (15) is provided above the lifting plate (14); and a through hole (16) corresponding to the clamping block (15) is opened at the top of the tray (11); A limiting mechanism (2) is provided at the bottom of the clamping block (15). The limiting mechanism (2) comprises a top plate (21), the top of which is fixedly connected to the bottom of the clamping block (15). A lifting mechanism (3) is provided inside the transmission box (12), the lifting mechanism (3) comprises a transmission worm (31), and both ends of the transmission worm (31) are movably connected to the inner wall of the transmission box (12).

2. The plastic pallet with a limiting function according to claim 1, characterized in that: A telescopic rod (22) is fixedly connected to the middle of the bottom of the top plate (21), a limiting cylinder (23) is sleeved on the bottom of the telescopic rod (22), a bottom of the limiting cylinder (23) is fixedly connected to a bottom plate (24), and the top of the bottom plate (24) is fixedly connected to the top of the lifting plate (14).

3. The plastic pallet with a limiting function according to claim 2, characterized in that: The bottom of the top plate (21) is located at the outer ring of the limiting cylinder (23) and is fixedly connected to a spring (25), and the bottom end of the spring (25) is fixedly connected to the top of the bottom plate (24).

4. The plastic pallet with a limiting function according to claim 1, characterized in that: A second bevel gear (32) is fixedly connected to the middle of the outer wall of the transmission worm (31), and transmission worm wheels (36) are meshingly connected to both sides of the outer wall of the transmission worm (31). A symmetrical screw (37) is fixedly connected to the middle of the right side of the transmission worm wheel (36), and the right end of the symmetrical screw (37) passes through the left side wall of the tray (11) and is movably connected to the inner wall of the tray (11).

5. The plastic pallet with a limiting function according to claim 4, characterized in that: The second bevel gear (32) is meshedly connected with the first bevel gear (33) above, and a transmission shaft (34) is fixedly connected to the middle of the top of the first bevel gear (33). The top end of the transmission shaft (34) passes through the transmission box (12) and is fixedly connected to a twist cover (35).

6. The plastic pallet with a limiting function according to claim 4, characterized in that: The outer walls of the symmetrical screw rod (37) are threadedly connected with sliding screw sleeves (38) on both sides, and a push rod (39) is fixedly connected between the sliding screw sleeves (38). The push rod (39) and the support platform (13) are provided with a limiting slideway corresponding to the push rod (39) inside.

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