Connecting piece for stacked goods shelf

Abstract

The utility model discloses a connecting piece for a stackable goods shelf, and particularly relates to the technical field of stackable goods shelves, the connecting piece comprises a goods shelf main body, the goods shelf main body comprises four upright posts which are vertically arranged, the connecting piece is arranged on the upright posts, the connecting piece comprises a foot sleeve, and the foot sleeve is fixedly sleeved at the bottom end of the upright post; a tensioning mechanism is arranged on the stand column and comprises a mounting base, the mounting base comprises two first base bodies symmetrically arranged on the inner wall of the bottom end of the stand column, and a U-shaped rod and a sliding base are sequentially arranged on the opposite sides of the two first base bodies from top to bottom. Due to the arrangement of the tensioning mechanism, when light goods (such as foam packaging boxes for seasonal fruits) are placed on the goods shelf, even if the abrasion degree between the footstands and the stand columns is high, stable connection between the goods shelves (especially the uppermost layer and the layer below the uppermost layer) can be kept, and therefore potential safety hazards are effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of stackable shelving technology, and more specifically, to a connector for stackable shelving. Background Technology

[0002] Stackable racking is a common type of storage equipment, typically constructed from multiple layers of metal frames. Its most significant feature is its ability to be stacked. By installing connectors at the top and bottom of the racking, it can be stacked vertically on top of each other.

[0003] Stackable shelving systems allow for flexible adjustment of the number of shelves and the height of each shelf based on the size and weight of the goods. For smaller, lighter goods, the number of shelves can be increased while the height of each shelf can be decreased; for larger, heavier goods, the number of shelves can be reduced while increasing the load-bearing capacity and height of each shelf. Furthermore, these shelving systems can be easily moved and rearranged to adapt to changes in the type and quantity of goods stored in the warehouse. This saves space and facilitates storage when not in use. For example, in some seasonal goods warehouses, stackable shelving systems can be stacked and placed in a corner of the warehouse after the peak season, and then unfolded for reuse during the next peak season.

[0004] Therefore, compared to traditional single-layer shelving, stackable shelving generally requires a higher frequency of assembly and disassembly. To address this, some warehouses with large storage capacities often use simpler connectors to improve assembly and disassembly efficiency, such as nested legs without fasteners. This involves aligning the bottom legs of one shelving unit with the top of the upright below it to assemble two layers of shelving. The shelving is then secured by the weight of the goods and the shelving itself, as well as the friction between the legs and the uprights. However, as the shelving is disassembled and reassembled more frequently, the wear and tear between the legs and the uprights gradually increases. If the stored goods are lightweight (such as foam packaging boxes used for seasonal fruits), the connection between the shelving units may become unstable (especially between the top layer and the layer below it), leading to a decrease in the overall stability of the multi-layer shelving and increasing safety hazards. Utility Model Content

[0005] The present invention provides a connector for stackable shelves, which aims to solve the following problem: With the increase of disassembly and assembly, the wear between the legs and the uprights of existing stackable shelves will gradually increase. If the stored goods are relatively light (such as foam packaging boxes used for seasonal fruits), the connection between the shelves will be unstable (especially between the top shelf and the shelf below it), thereby reducing the overall stability of the multi-layer shelf and increasing safety hazards.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a connector for a stackable shelving unit, comprising: a shelving body, the shelving body comprising four vertically arranged columns, a connector being provided on the columns, the connector comprising a foot sleeve, the foot sleeve being fixedly fitted onto the bottom end of the column;

[0007] The column is equipped with a tensioning mechanism, which includes a mounting base. The mounting base includes two seat bodies 1 symmetrically arranged on the inner wall of the bottom end of the column. On the opposite sides of the two seat bodies 1, a U-shaped rod and a sliding seat are arranged sequentially from top to bottom. The sliding seat includes a seat body 2, which is slidably connected to the seat body 1. The top end of the U-shaped rod is rotatably connected to the seat body 1, and the bottom end of the U-shaped rod slides on the seat body 2. A tension spring is provided between the bottom of the seat body 2 and the bottom end of the seat body 1.

[0008] A pull rod assembly is provided on the second base. The pull rod assembly includes two tension rods that are rotatably mounted on the corresponding side of the second base. A lever is provided on the free part of the tension rod. A wedge block is provided on one side of the first base. The wedge block is adapted to the lever. A fixing assembly is provided on the inner wall of the top of the column. The fixing assembly includes two push rods that are adapted to the second base. A fixing rod is provided on the opposite side of the two push rods. The tension rod is adapted to the fixing rod.

[0009] In a preferred embodiment, the second seat is provided with slide groove 1, slide groove 2, slide groove 3 and slide groove 4 in a U-shaped path, and the bottom end of the U-shaped rod is adapted to slide groove 1, slide groove 2, slide groove 3 and slide groove 4; the bottom end of the first seat is provided with a fixing post 1, the bottom end of the second seat is provided with a fixing post 2, and the two ends of the tension spring are respectively connected to fixing post 1 and fixing post 2.

[0010] In a preferred embodiment, a protrusion is provided on one side of the second seat, and a pivot is provided on the side of the protrusion away from the tension spring. The tension rod is rotatably connected to the pivot, and a torsion spring is sleeved on the outside of the pivot. The two ends of the torsion spring are fixedly connected to the tension rod and the opposite side of the protrusion, respectively. The bottom end of the tension rod is bent away from the wedge block to hook the fixing rod.

[0011] In a preferred embodiment, a guide groove is provided on the side of the first seat body near the second seat body, and a guide strip is provided on the side of the protrusion near the first seat body, the guide strip being adapted to the guide groove.

[0012] In a preferred embodiment, a guide sleeve is provided at the bottom of the foot cover, the guide sleeve is adapted to the column, and a dust cover is detachably provided on the column.

[0013] In a preferred embodiment, the four columns are arranged in a rectangular shape, and a reinforcing bar is provided between two adjacent columns. A forklift seat is provided at the bottom of the lowest reinforcing bar.

[0014] The beneficial effects of this utility model are as follows:

[0015] This invention, by setting up a tensioning mechanism, enables the shelves to maintain a stable connection (especially between the top shelf and the shelf below it) even when lighter goods (such as foam packaging boxes for seasonal fruits) are placed on them, even if there is a high degree of wear between the legs and the uprights, thereby effectively reducing safety hazards. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the main body of the shelf of this utility model.

[0017] Figure 2 This is a schematic diagram of the structure of the two-layer shelving unit of this utility model.

[0018] Figure 3 This is a structural schematic diagram of the column part of this utility model.

[0019] Figure 4 This is a cross-sectional view of the movement trajectory of the tensioning mechanism portion of this utility model.

[0020] Figure 5 This is a frontal view of the motion trajectory of the mounting base portion of this utility model.

[0021] Figure 6 This is a three-dimensional motion trajectory diagram of the mounting base portion of this utility model.

[0022] Figure 7 This is a three-dimensional structural diagram of the tensioning mechanism of this utility model.

[0023] Figure 8 This is a schematic diagram of the two parts of the base from a first-person perspective of this utility model.

[0024] Figure 9 This is a schematic diagram of the two parts of the base from a second perspective of this utility model.

[0025] The attached diagram is labeled as follows: 1. Shelf body; 11. Upright; 12. Reinforcing bar; 13. Forklift seat; 14. Dust cover; 2. Connector; 21. Foot cover; 22. Guide sleeve; 3. Tensioning mechanism; 31. Mounting base; 311. Base one; 312. Guide groove; 313. U-shaped bar; 314. Fixed column one; 315. Tension spring; 316. Wedge block; 32. Sliding seat; 321. Base two; 322. Slide groove one; 323. Slide groove two; 324. Slide groove three; 325. Slide groove four; 326. Fixed column two; 327. Protrusion; 328. Guide strip; 33. Tie rod assembly; 331. Rotary shaft; 332. Tensioning rod; 333. Toggle lever; 334. Torsion spring; 34. Fixing assembly; 341. Fixing rod; 342. Push rod. Detailed Implementation

[0026] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0027] Refer to the instruction manual appendix Figures 1 to 9 A connector for a stackable shelving unit includes: a shelving body 1, the shelving body 1 including four vertically arranged columns 11, a connector 2 provided on the columns 11, the connector 2 including a foot sleeve 21, the foot sleeve 21 being fixedly fitted onto the bottom end of the column 11;

[0028] It should be noted that the foot cover 21 and the upright 11 are detachably connected;

[0029] A tensioning mechanism 3 is provided on the column 11. The tensioning mechanism 3 includes a mounting base 31. The mounting base 31 includes two seats 311 symmetrically arranged on the inner wall of the bottom end of the column 11. On the opposite sides of the two seats 311, a U-shaped rod 313 and a sliding seat 32 are arranged from top to bottom. The sliding seat 32 includes a second seat 321. The second seat 321 is slidably connected to the first seat 311. The top end of the U-shaped rod 313 is rotatably connected to the first seat 311, and the bottom end of the U-shaped rod 313 slides on the second seat 321. A tension spring 315 is provided between the bottom of the second seat 321 and the bottom end of the first seat 311.

[0030] A pull rod assembly 33 is provided on the second seat 321. The pull rod assembly 33 includes two tension rods 332 that are rotatably mounted on one side of the corresponding second seat 321. A lever 333 is provided on the free part of the tension rod 332. A wedge block 316 is provided on one side of the first seat 311. The wedge block 316 is adapted to the lever 333. A fixing assembly 34 is provided on the inner wall of the top of the column 11. The fixing assembly 34 includes two push rods 342 that are adapted to the second seat 321. A fixing rod 341 is provided on the opposite side of the two push rods 342. The tension rod 332 is adapted to the fixing rod 341.

[0031] It should be noted that the fixing rod 341 is horizontally set on the inner wall of the column 11, and the fixing rod 341 is set perpendicular to the two tensioning rods 332;

[0032] In this embodiment, the specific implementation scenario is as follows: When stacking two shelves, one shelf is lifted using a forklift or similar equipment. The guide sleeve 22 at the bottom of the upright 11 of the lifted shelf body 1 is aligned with the top of the upright of the lower shelf body 1. Then, the upper shelf body 1 is moved downwards. When the tension rod 332 inside the upper upright 11 passes the bottom of the fixing rod 341 inside the lower upright 11, the push rod 342 inside the lower upright 11 contacts the protrusion 327 and pushes the seat 321 upwards. As the seat 321 moves upwards, the lever 333 is actuated by the wedge block 316, causing the two tension rods 332 to move closer together until they are in contact. At this point, the fixing rod 341 is surrounded by the tension rods 332. In one step, as the seat 2 321 moves upward, the bottom end of the U-shaped rod 313 slides on the seat 2 321. At the same time, as the two tension rods 332 are in contact with each other, the bottom end of the U-shaped rod 313 moves into the slide groove 2 323. At the same time, the tension spring 315 will be subjected to a large tension. Then, the forklift detaches from the upper rack body 1. Due to the tension generated by the tension spring 315, the bottom end of the U-shaped rod 313 will slide into the slide groove 324 and lock the seat 2 321. At this time, the two in contact tension rods 332 will apply a strong tension to the fixing rod 341 to complete the self-locking. There is always a strong tendency to separate between the two rack bodies 1. Therefore, even if there are no heavy goods to stabilize the rack, the rack as a whole will always be in a taut state and will not loosen, resulting in better stability.

[0033] Refer to the instruction manual appendix Figure 5 , Figure 8 and Figure 9 In this embodiment, the second seat 321 is provided with slide groove 322, slide groove 323, slide groove 324 and slide groove 325 in a U-shaped path. The bottom end of the U-shaped rod 313 is adapted to slide groove 322, slide groove 323, slide groove 324 and slide groove 325. The bottom end of the first seat 311 is provided with a fixing post 314, and the bottom end of the second seat 321 is provided with a fixing post 326. The two ends of the tension spring 315 are connected to the fixing post 314 and the fixing post 326 respectively.

[0034] It should be noted that the bottom end of the U-shaped rod 313 can only move sequentially along the track within the slide groove 322, slide groove 323, slide groove 324 and slide groove 325.

[0035] Refer to the instruction manual appendix Figure 6 and Figure 7In this embodiment, a protrusion 327 is provided on one side of the seat body 321, and a rotating shaft 331 is provided on the side of the protrusion 327 away from the tension spring 315. The tension rod 332 is rotatably connected to the rotating shaft 331, and a torsion spring 334 is sleeved on the outside of the rotating shaft 331. The two ends of the torsion spring 334 are fixedly connected to the opposite sides of the tension rod 332 and the protrusion 327, respectively. The bottom end of the tension rod 332 is bent away from the wedge block 316 to hook the fixing rod 341.

[0036] It should be noted that, in the initial state, the tension rod 332 is always in the maximum angle open state due to the action of the torsion spring 334;

[0037] Refer to the instruction manual appendix Figure 6 and Figure 7 In this embodiment, a guide groove 312 is provided on the side of the first seat 311 near the second seat 321, and a guide strip 328 is provided on the side of the protrusion 327 near the first seat 311. The guide strip 328 is adapted to the guide groove 312.

[0038] Refer to the instruction manual appendix Figure 1 and Figure 3 In this embodiment, a guide sleeve 22 is provided at the bottom of the foot cover 21. The guide sleeve 22 is adapted to the column 11. A dust cover 14 is detachably provided on the column 11.

[0039] Refer to the instruction manual appendix Figure 1 and Figure 2 In this embodiment, the four columns 11 are arranged in a rectangular shape, and a reinforcing rod 12 is provided between two adjacent columns 11. A forklift seat 13 is provided at the bottom of the lowest reinforcing rod 12.

[0040] It should be noted that when the shelf needs to be dismantled, the self-locking state can be released by pressing the top shelf body 1 once with a forklift, and then the shelf can be dismantled directly from top to bottom.

[0041] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A connector for use with a stacked shelving unit, comprising: The shelf body (1) comprises four vertically arranged columns (11), and a connecting piece (2) is arranged on the column (11), wherein the connecting piece (2) comprises a foot sleeve (21) which is fixedly sleeved on the bottom end of the column (11); The column (11) is provided with a tensioning mechanism (3), the mounting seat (31) comprises two symmetrical seat bodies (311) arranged on the inner wall of the bottom end of the column (11), the opposite sides of the two seat bodies (311) are sequentially provided with a U-shaped rod (313) and a sliding seat (32) from top to bottom, the sliding seat (32) comprises a seat body (321), the seat body (321) is slidably connected with the seat body (311), the top end of the U-shaped rod (313) is rotatably connected with the seat body (311), and the bottom end of the U-shaped rod (313) slides on the seat body (321), and the bottom of the seat body (321) and the bottom end of the seat body (311) are provided with a tension spring (315). The seat body (321) is provided with a tension rod assembly (33), the tension rod assembly (33) comprises two tension rods (332) rotatably arranged on the corresponding sides of the seat body (321), the free part of the tension rod (332) is provided with a lever (333), one side of the seat body (311) is provided with a wedge block (316), the wedge block (316) is matched with the lever (333), the top end of the column (11) is provided with a fixing assembly (34), the fixing assembly (34) comprises two push rods (342) matched with the seat body (321), and the opposite sides of the two push rods (342) are provided with a fixing rod (341) matched with the tension rod (332).

2. A connector for use with stacked shelves according to claim 1, wherein The seat body (321) is sequentially provided with a sliding groove (322), a sliding groove (323), a sliding groove (324) and a sliding groove (325) in a back-shaped path, the bottom end of the U-shaped rod (313) is matched with the sliding groove (322), the sliding groove (323), the sliding groove (324) and the sliding groove (325), the bottom end of the seat body (311) is provided with a fixed column (314), the bottom end of the seat body (321) is provided with a fixed column (326), and the two ends of the tension spring (315) are connected with the fixed column (314) and the fixed column (326) respectively.

3. A connector for use with stacked shelves according to claim 2, wherein, One side of the seat body (321) is provided with a protruding part (327), the side, away from the tension spring (315), of the protruding part (327) is provided with a rotating shaft (331), the tension rod (332) is rotatably connected with the rotating shaft (331), the outer side of the rotating shaft (331) is sleeved with a torsion spring (334), the two ends of the torsion spring (334) are fixedly connected with the opposite sides of the tension rod (332) and the protruding part (327), and the bottom end of the tension rod (332) is bent away from the wedge block (316) and used for hooking the fixing rod (341).

4. A connector for use with stacked shelves according to claim 3, wherein The guiding groove (312) is arranged on one side of the seat body I (311) close to the seat body II (321), and the guiding strip (328) is arranged on one side of the protruding part (327) close to the seat body I (311), which is matched with the guiding groove (312).

5. A connector for use with stacked shelves according to claim 4, wherein The bottom end of the foot cover (21) is provided with a guiding sleeve (22) matched with the stand column (11), and the stand column (11) is detachably provided with a dustproof cover (14).

6. A connector for use with stacked shelves according to claim 5, wherein, The four stand columns (11) are distributed in a rectangular shape, and the reinforcing rods (12) are arranged between the adjacent two stand columns (11), and the bottom of the lowermost reinforcing rod (12) is provided with a forklift seat (13).

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