Pallet with expandable area
By designing a retractable mobile bracket and guide rail system on the pallet, the problem that existing pallets cannot effectively place larger materials is solved, and a larger placement area and flexibility are achieved.
Patent Information
- Application Number
- CN202420532200.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-03-19
AI Technical Summary
The fixed square or rectangular design of existing pallets limits the placement of materials, especially for materials with large quantities or larger volumes, which cannot be effectively placed.
A pallet with an expandable area is designed. By setting a moving groove and corresponding moving bracket on the left and right sides of the main pallet, the bracket includes an insertion board and a moving board, and the expansion and contraction function is achieved using rollers and guide rails. The main pallet is made of Plastic, static loading 800-1000kg.
Through the expansion function, the pallet area is larger after being expanded, making it easier to place larger materials. The pallet area can be adjusted according to the size of the material, which improves flexibility.
Smart Images

Figure CN222523082U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of warehousing and transportation, and particularly relates to a pallet with an expandable area. Background Art
[0002] When semiconductor chips are packaged, the wafer is cut into several small IC chips, and then each IC chip is fixed on the flexible circuit board at intervals. When semiconductor chips are processed, tools such as wafer boat boxes and baskets are used to transfer wafers. When warehouses store and transport wafer boat boxes, baskets and other production materials, pallets are often needed. In the prior art, pallets are fixed square or rectangular. The problem is that for a large number of materials or large materials, they cannot be placed due to the limitation of the pallet area. Utility Model Content
[0003] The utility model aims to provide a pallet with an expandable area. Through the telescopic function, the pallet has a larger area than a conventional pallet after being unfolded, which is more convenient for placing larger materials. The pallet area can be adjusted according to the volume of the material, which is convenient and flexible.
[0004] The purpose of the utility model is achieved as follows: a pallet with an expandable area, comprising a main pallet, a plurality of support blocks are arranged on the lower side of the main pallet, movable grooves are opened on the left and right sides of the main pallet, two left-right symmetrical movable brackets are arranged corresponding to the main pallet, the two movable brackets are respectively inserted into the two movable grooves, the movable brackets comprise an insertion plate and a movable plate, two left-right symmetrical supporting rails are arranged in the movable groove of the main pallet, rotatable rollers are arranged on the left and right sides of the inward end of the insertion plate inserted into the movable groove, the two rollers are respectively supported on the corresponding two supporting rails, a fixed limiting wheel is arranged on the outward end of the supporting rail, and two left-right symmetrical universal wheels are arranged on the lower side of the movable plate.
[0005] The mobile bracket of the utility model can be extended up to 40cm. Rollers with a diameter of 5cm are installed on the side of the mobile bracket. Guide rails are installed on the inner side of the pallet. The mobile bracket has a telescopic range of 0-40cm. The length of the bracket can be arbitrarily extended according to the size of the material, which is convenient for stacking various materials. The main pallet is made of plastic with a static load of 800-1000kg. Four guide rails are installed on the inner side of the pallet body. A fixed limiting wheel is installed on the top of each guide rail. The fixed limiting wheel has a diameter of 3.5cm and is used to prevent the bracket from falling off the pallet body. The bracket uses rollers to move in the guide rails, and the extended length can meet the requirements for placing various materials. Compared with the prior art, the beneficial effect of the utility model is that through the telescopic function, the area of the pallet is larger than that of the conventional pallet after being unfolded, which is more convenient for placing larger materials. The area of the pallet can be adjusted according to the size of the material, which is convenient and flexible.
[0006] As a further improvement of the utility model, the main pallet is rectangular, the support blocks are arranged in two rows, the two rows of support blocks are spaced apart from each other, and each row of support blocks is arranged with at least three support blocks. The length of the main pallet is 110-120cm, and the width is 100-110cm.
[0007] As a further improvement of the utility model, the insert plate and the movable plate are perpendicular to each other, the universal wheel is flush with the bottom of the support block, and a brake is installed on the universal wheel. After the pallet area is adjusted and the movable bracket is positioned, the universal wheel is braked to prevent the bracket from moving.
[0008] In order to facilitate the movement of the pallet, the bottom of the support block is higher than the bottom of the universal wheel.
[0009] As a further improvement of the utility model, the two support rails are respectively fixed on the inner walls of the left and right sides of the rectangular moving groove, and the support rails include a vertically arranged U-shaped support rail, which is fixed to the main pallet through a number of fasteners spaced along the length direction of the moving groove, and a raised limit portion is vertically arranged on the bottom plate of the support rail, and the roller is supported on the bottom plate of the corresponding support rail. The raised limit portion can prevent the mobile bracket from lateral movement.
[0010] As a further improvement of the utility model, a reinforcement is provided at the bottom of the support track, and the reinforcement includes two vertical reinforcement ribs, the bottoms of the two reinforcement ribs are fixed to the fixed plate, and the fixed plate is fixed to the main pallet through a plurality of fasteners distributed at intervals along the length direction of the moving groove. The reinforcement improves the stability and strength of the support track, and the supporting performance is better when the mobile bracket carries an object.
[0011] In order to position the mobile bracket after the adjustment, a row of horizontally spaced positioning screw holes are provided on both sides of the insert plate, and the support blocks distributed at the four corners of the main stack plate are respectively provided corresponding to the four rows of positioning screw holes, and the corresponding support blocks are rotatably connected with the swing plate, and the fixing bolts longitudinally pass through the through holes of the corresponding swing plate and are connected to the corresponding positioning screw holes. The through hole diameter of the swing plate is adapted to the fixing bolt, and the fixing bolt can prevent the mobile bracket from misalignment and movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a three-dimensional structural diagram of the utility model.
[0013] Figure 2 It is the front view of the utility model.
[0014] Figure 3 Cross-section view of the main pallet, moving slot and insert plate.
[0015] Figure 4 for Figure 3 Enlarged view of point A in the middle.
[0016] Figure 5 A top view of the main pallet and mobile bracket.
[0017] Among them, 1 main stack board, 2 support block, 3 moving groove, 4 moving bracket, 4a insertion plate, 4b moving plate, 5 support guide rail, 5a support track, 5a1 bottom plate, 6 roller, 7 fixed limiting wheel, 8 universal wheel, 9 fastener, 10 raised limiting part, 11 reinforcement, 11a reinforcement rib plate, 11b fixed plate, 12 positioning screw hole, 13 swing plate, 14 fixing bolt. DETAILED DESCRIPTION Example 1
[0018] like Figure 1-5 As shown, a pallet with an expandable area includes a main pallet 1, a plurality of support blocks 2 are arranged on the lower side of the main pallet 1, the main pallet 1 is rectangular, and the support blocks 2 are arranged in two rows, and the two rows of support blocks 2 are spaced apart from each other, and each row of support blocks 2 is provided with at least three support blocks, and the length of the main pallet 1 is 110-120cm, and the width is 100-110cm; movable grooves 3 are provided on the left and right sides of the main pallet 1, and two left-right symmetrical movable brackets 4 are arranged corresponding to the main pallet 1, and the two movable brackets 4 are respectively inserted into the two movable grooves 3, and the movable brackets 4 include an insert plate 4a and a movable plate 4b, and two left-right symmetrical support rails 5 are arranged in the movable groove 3 of the main pallet 1, and rotatable rollers 6 are arranged on the left and right sides of the inner end of the insert plate 4a inserted into the movable groove 3, and the two rollers 6 are respectively supported on the corresponding two support rails 5, and a fixed limiting wheel 7 is arranged on the outer end of the support rail 5, and two left-right symmetrical universal wheels 8 are arranged on the lower side of the movable plate 4b.
[0019] The insert plate 4a and the movable plate 4b are perpendicular to each other, the universal wheel 8 is flush with the bottom of the support block 2, and a brake is installed on the universal wheel 8. After the pallet area is adjusted and the movable bracket 4 is positioned, the universal wheel 8 is braked to prevent the bracket from moving.
[0020] The two support rails 5 are respectively fixed on the inner walls on the left and right sides of the rectangular moving groove 3. The support rails 5 include a vertically arranged U-shaped support rail 5a. The support rail 5a is fixed to the main stack board 1 through a number of fasteners 9 spaced apart along the length direction of the moving groove 3. A raised limiter 10 is vertically provided on the bottom plate 5a1 of the support rail 5a. The roller 6 is supported on the bottom plate 5a1 of the corresponding support rail 5a. The raised limiter 10 can prevent the lateral movement of the moving bracket 4. A reinforcement 11 is provided at the bottom of the support rail 5a. The reinforcement 11 includes two vertical reinforcement ribs 11a. The bottoms of the two reinforcement ribs 11a are fixed to the fixed plate 11b. The fixed plate 11b is fixed to the main stack board 1 through a number of fasteners 9 spaced apart along the length direction of the moving groove 3. The reinforcement 11 is used to improve the stability and strength of the support rail 5a, and the supporting performance is better when the moving bracket 4 carries an object.
[0021] In order to position the mobile bracket 4 after the adjustment, a row of positioning screw holes 12 with horizontal spacing is provided on both sides of the insert plate 4a, and the support blocks 2 distributed at the four corners of the main stack board 1 are respectively provided corresponding to the four rows of positioning screw holes 12, and the corresponding support blocks 2 are rotatably connected with the swing plates 13, and the fixing bolts 14 longitudinally pass through the through holes of the corresponding swing plates 13 and are connected to the corresponding positioning screw holes 12. The through hole diameter of the swing plate 13 is adapted to the fixing bolts 14, and the fixing bolts 14 can prevent the mobile bracket 4 from moving out of position.
[0022] The mobile bracket 4 of the utility model can be extended up to 40cm. The roller 6 is installed on the side of the mobile bracket 4. The diameter of the roller 6 is 5cm. The guide rail is installed on the inner side of the pallet. The telescopic range of the mobile bracket 4 is 0-40cm. The length of the bracket can be arbitrarily extended according to the size of the material, which is convenient for stacking various materials. The main pallet 1 is made of plastic and has a static load of 800-1000kg. Four guide rails are installed on the inner side of the pallet body. A fixed limiting wheel 7 is installed on the top of each guide rail. The fixed limiting wheel 7 has a diameter of 3.5cm and is used to prevent the bracket from falling off from the pallet body. The bracket uses the roller 6 to move in the guide rail, and the extended length meets the requirements for placing various materials. The advantages of the utility model are: through the telescopic function, the area of the pallet is larger than that of the conventional pallet after being unfolded, which is more convenient for placing larger materials. The area of the pallet can be adjusted according to the size of the material, which is convenient and flexible. Example 2
[0023] The difference from the first embodiment is that, in order to facilitate the movement of the pallet, the bottom of the support block 2 is higher than the bottom of the universal wheel 8 .
[0024] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.
Claims
1. A pallet with an expandable area, comprising a main pallet, a plurality of support blocks being arranged on the lower side of the main pallet, characterized in that: The left and right sides of the main pallet are provided with movable grooves, and two left-right symmetrical movable brackets are arranged corresponding to the main pallet, and the two movable brackets are respectively inserted into the two movable grooves. The movable bracket includes an insertion plate and a movable plate, and the movable groove of the main pallet is provided with two left-right symmetrical supporting rails. The left and right sides of the inner end of the insertion plate inserted into the movable groove are provided with rotatable rollers, and the two rollers are respectively supported on the corresponding two supporting rails. A fixed limiting wheel is provided at the outward end of the supporting rail, and two left-right symmetrical universal wheels are provided on the lower side of the movable plate.
2. The pallet with expandable area according to claim 1, characterized in that: The main pallet is rectangular, and the support blocks are arranged in two rows. The two rows of support blocks are spaced apart from each other, and each row has at least three support blocks.
3. A pallet with expandable area according to claim 1 or 2, characterized in that: The inserting plate and the moving plate are perpendicular to each other, the universal wheel is flush with the bottom of the supporting block, and a brake is installed on the universal wheel.
4. A pallet with expandable area according to claim 1 or 2, characterized in that: The bottom of the support block is higher than the bottom of the universal wheel.
5. A pallet with expandable area according to claim 1 or 2, characterized in that: The two support rails are respectively fixed on the left and right inner walls of the rectangular movable groove, and the support rails include a vertically arranged U-shaped support rail. The support rail is fixed to the main stack board by a number of fasteners spaced apart along the length direction of the movable groove. A raised limiting portion is vertically provided on the bottom plate of the support rail, and the roller is supported on the bottom plate of the corresponding support rail.
6. The pallet with expandable area according to claim 5, characterized in that: A reinforcement is provided at the bottom of the support track, and the reinforcement includes two vertical reinforcement ribs. The bottoms of the two reinforcement ribs are fixed to the fixed plate, and the fixed plate is fixed to the main stack plate through a plurality of fasteners distributed at intervals along the length direction of the movable groove.
7. The pallet with expandable area according to claim 2, characterized in that: A row of laterally spaced positioning screw holes are provided on both sides of the insertion plate. The support blocks distributed at the four corners of the main stack plate correspond to the four rows of positioning screw holes respectively. A swing plate is rotatably connected to the corresponding support block, and the fixing bolts pass longitudinally through the through holes of the corresponding swing plate and are connected to the corresponding positioning screw holes.