Storage rack

Abstract

The commodity shelf comprises a plurality of layers which are sequentially communicated from top to bottom, placed objects (11) can roll from an upper layer (8) to a lower layer (9), the commodity shelf further comprises a first piece (1) and a second piece (2), connecting rods (3) are detachably connected between the first piece (1) and the second piece (2), all layers are formed between the first piece (1) and the second piece (2), first intervals (7) are arranged between the first piece (1) and the second piece (2), and the first intervals (7) are arranged between the first piece (1) and the second piece (2) by connecting the connecting rods (3) with different lengths. The size of the first interval (7) can be changed to adapt to placed objects (11) of different heights, or the telescopic connecting rod (3) is adopted, the length of the telescopic connecting rod (3) is adjusted to change the size of the first interval (7), and the storage rack is beneficial to reducing the logistics size and conveniently changing the size of the first interval.

Description

Technical Field

[0001] The utility model relates to the technical field of storage devices, in particular to a storage rack. Background Art

[0002] Currently, there is a can storage rack, which includes two layers, the upper and lower layers are connected, and the objects placed (cans or can bodies similar to cans, bottles, etc.) can roll on each layer. The upper layer is set to be inclined, so the objects placed on the upper layer can roll along the inclined part to the connection between the upper and lower layers and can fall to the lower layer, thereby filling the lower layer.

[0003] When using the storage rack, objects are placed on the upper layer, and the objects will roll along the inclined portion toward the connection between the upper and lower layers and fall to the lower layer, and the lower layer will be gradually filled until the first layer cannot be entered. As more objects are placed in the upper layer, the objects will be stacked up to the connection between the upper and lower layers, and then the upper layer will also be full. When objects need to be taken, they can be taken from either the upper layer or the lower layer.

[0004] The storage rack has certain defects. Specifically, the storage rack is composed of two parts along the width direction that are nested together. The purpose of this nesting design is to change the width by changing the degree of nesting overlap, so as to accommodate objects of different heights. Therefore, at the minimum width, the storage rack is still relatively wide and the logistics volume is large. Utility Model Content

[0005] The technical problem to be solved by the present invention is to overcome the defects of the existing technology and propose a storage rack for storing cans or can bodies similar to cans, bottles, etc. The solution disclosed in the present invention is conducive to reducing the logistics volume and facilitating the change of the first interval size.

[0006] Compared with the prior art, the present invention proposes a storage rack, comprising multiple layers connected in sequence from top to bottom, wherein objects placed can roll from the upper layer to the lower layer, comprising a first piece and a second piece, wherein the first piece and the second piece are detachably connected with a connecting rod, and layers are formed between the first piece and the second piece, and adjacent upper and lower layers are provided with an upper stacking track portion and a lower stacking track portion which are sequentially arranged along the rolling direction, and the upper stacking track portion and the lower stacking track portion are both divided into two parts along the height direction of the objects placed and are respectively arranged on the first piece and the second piece, the part on the first piece is used to support one end of the objects placed, and the part on the second piece is used to support the other end of the objects placed; a first interval is provided between the first piece and the second piece, and by connecting rods of different lengths, the size of the first interval can be changed to adapt to objects placed at different heights, or a retractable connecting rod can be used to adjust the length of the retractable connecting rod to change the size of the first interval.

[0007] After adopting the above structure, compared with the prior art, the utility model has the following advantages:

[0008] By connecting connecting rods of different lengths, the size of the first interval can be changed to accommodate objects of different heights, or by using a retractable connecting rod and adjusting the length of the retractable connecting rod to change the size of the first interval. This greatly facilitates the adjustment of the width of the shelf. In addition, when the factory opens the mold, the plastic molds of the first and second pieces can be universal. For objects of different heights, only connecting rods of different lengths or retractable connecting rods need to be configured, which greatly facilitates production and reduces production costs. At the same time, the dimensions of the first and second pieces along the width direction of the shelf can be made thinner. The first interval is mainly between the first and second pieces. The first and second pieces are mainly responsible for supporting the two ends of the objects placed, and the middle part of the objects placed is mainly suspended on the first interval. Therefore, the width of the shelf disclosed in the present invention is adjustable to accommodate objects of different heights, while also helping to reduce logistics volume.

[0009] The objects are guided by the arc-shaped guide part and roll to the lower layer. As the lower layer is full, the objects can continue to be stacked on the arc-shaped guide part. Therefore, when objects are placed or taken from the bottom layer, causing the objects to roll and be replenished, the objects on the upper layer are guided by the arc-shaped guide part and will not fall freely to the lower layer, thereby greatly reducing noise and vibration.

[0010] In some embodiments, an arc-shaped guide portion is provided between adjacent upper and lower layers, the upper end of the arc-shaped guide portion is connected to the upper layer, and the lower end of the arc-shaped guide portion is connected to the lower layer. The objects placed are guided by the arc-shaped guide portion to roll to the lower layer. As the lower layer is filled, the objects placed can continue to be stacked on the arc-shaped guide portion; an upper stacking track portion, an arc-shaped guide portion, and a lower stacking track portion are sequentially provided between adjacent upper and lower layers along the rolling direction, and the upper stacking track portion, the arc-shaped guide portion, and the lower stacking track portion are all divided into two parts along the height direction of the objects placed and are respectively provided on the first piece and the second piece.

[0011] In some embodiments, a buffer structure is provided at the end of the bottom layer, and the buffer structure is used to buffer objects that roll down to the end.

[0012] In some embodiments, the buffer structure is an arc-shaped upward guide portion provided at the end, the first piece is provided with a first arc-shaped upward guide portion, and the second piece is provided with a second arc-shaped upward guide portion. The first arc-shaped upward guide portion is used to support one end of the placed object, and the second arc-shaped upward guide portion is used to support the other end of the placed object.

[0013] In some embodiments, the arc-shaped guide portion is provided with a buffer pad; the surface of the buffer pad is smooth or provided with a deceleration structure.

[0014] In some embodiments, the arc-shaped guide portion is provided with an assembly groove, and the buffer pad is installed in the assembly groove to form a complete arc-shaped guide surface of the arc-shaped guide portion. The rear side surface of the buffer pad is in contact with the assembly groove or is set at a second interval. The second interval is set for the buffer pad to have space for buffering to the rear side when receiving the placed object.

[0015] In some embodiments, the top layer is provided with an insertion port, and the insertion port is provided with an insertion arc-shaped guide portion, which is used to guide the placed objects to roll into the top layer; the top layer of the first sheet is provided with a first insertion arc-shaped guide portion, and the top layer of the second sheet is provided with a second insertion arc-shaped guide portion, the first insertion arc-shaped guide portion is used to support one end of the placed object, and the second insertion arc-shaped guide portion is used to support the other end of the placed object.

[0016] In some embodiments, the arc-shaped guide portion includes two arc-shaped portions located in the circumference of the placed object, namely an inner arc-shaped portion and an outer arc-shaped portion, and an arc-shaped channel for guiding the rolling of the placed object is formed between the inner arc-shaped portion and the outer arc-shaped portion, and the arc-shaped channel can be used for stacking the placed objects; the inner arc-shaped portion and the outer arc-shaped portion are both divided into two parts and are respectively provided on the first piece and the second piece, and the upper stacking track portion and the inner arc-shaped portion on the same piece are connected in sequence along the rolling direction, and the outer arc-shaped portion and the lower stacking track portion on the same piece are connected in sequence along the rolling direction.

[0017] In some embodiments, the arc-shaped guide portion includes an inner rotating bracket and an outer arc-shaped portion located circumferentially of the placed object, and a guide channel for guiding the rolling of the placed object is formed between the inner rotating bracket and the outer arc-shaped portion, and the guide channel can be used to stack the placed objects; the inner rotating bracket includes a rotating portion and a plurality of arc-shaped concave surfaces arranged circumferentially of the rotating portion, and the arc-shaped concave surfaces are used to cooperate with the outer circumferential surface of the placed object. When the placed object moves, the placed object drives the inner rotating bracket to rotate through the arc-shaped concave surfaces, thereby rotating the arc-shaped concave surfaces to the desired position to receive the new placed object; the rotating brackets are continuously or separately arranged along the width direction of the storage rack.

[0018] In some embodiments, the rotating bracket includes a first rotating part and a second rotating part, and the first rotating part and the second rotating part are separated along the width direction of the storage rack. The first rotating part is rotatably connected to the first piece, and the second rotating part is rotatably connected to the second piece. Both the first rotating part and the second rotating part are provided with an arc-shaped concave surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of a storage rack from a side perspective.

[0020] Figure 2 It is a three-dimensional schematic diagram of a storage rack from another side perspective.

[0021] Figure 3A top view of a storage rack.

[0022] Figure 4 It is a three-dimensional schematic diagram of a first piece.

[0023] Figure 5 This is a three-dimensional schematic diagram from the front side when the shelf is fully stacked with items.

[0024] Figure 6 This is a three-dimensional schematic diagram from the rear side when the shelf is fully stacked with items.

[0025] Figure 7 This is a three-dimensional diagram of the shelf when it is fully stacked with items from the front side and with the second piece removed.

[0026] Figure 8 It is a three-dimensional schematic diagram of a storage rack provided with an inner rotating bracket.

[0027] Figure 9 for Figure 8 A three-dimensional schematic diagram of a shelf filled with items.

[0028] Figure 10 for Figure 9 3D schematic diagram of the storage rack with the second piece removed.

[0029] Figure 11 This is a three-dimensional schematic diagram of another storage rack disclosed herein with the second piece removed but the buffer pad retained.

[0030] Figure 12 for Figure 11 A three-dimensional schematic diagram showing a structure in which the buffer pad is further removed to reveal the assembly groove.

[0031] Explanation of the accompanying drawings: 1-first piece, 2-second piece, 3-connecting rod, 4-upper stacking rail part, 5-arc-shaped guide part, 6-lower stacking rail part, 7-first interval, 8-upper layer, 9-lower layer, 10-limiting part, 11-placed object, 12-first arc-shaped upward guide part, 13-second arc-shaped upward guide part, 14-entry, 15-first insertion arc-shaped guide part, 16-second insertion arc-shaped guide part, 17-inner arc-shaped part, 18-outer arc-shaped part, 19-armrest hole, 20-inner rotating bracket, 21-first rotating part, 22-second rotating part, 23-arc-shaped concave surface, 24-buffer pad, 25-deceleration structure, 26-second interval, 27-assembly groove. DETAILED DESCRIPTION

[0032] The following description is intended to disclose the present invention and enable those skilled in the art to implement the present invention. The embodiments described below are provided for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0033] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms cannot be understood as limiting the present invention.

[0034] like Figures 1 to 12 The figure shows a storage rack for storing objects 11 such as cans or can bodies similar to cans, bottles, etc. The user can conveniently place and retrieve the objects 11.

[0035] The storage rack includes multiple layers connected in sequence from top to bottom. Objects 11 can roll down from the upper layer 8 to the lower layer 9. An arc-shaped guide portion 5 is provided between the adjacent upper layer 8 and lower layer 9. The upper end of the arc-shaped guide portion 5 is connected to the upper layer 8, and the lower end of the arc-shaped guide portion 5 is connected to the lower layer 9. The objects 11 are guided by the arc-shaped guide portion 5 to roll down to the lower layer 9. As the lower layer 9 is filled, the objects 11 can continue to be stacked on the arc-shaped guide portion 5.

[0036] Generally speaking, the storage rack includes two layers connected in sequence from top to bottom. Of course, three or more layers are also possible, and each additional layer requires an additional curved guide portion 5. The two-layer arrangement has a great advantage. The total height of the two layers is relatively low, and the entire storage rack can be placed in a small space such as a cabinet or refrigerator, thereby providing a three-dimensional storage space for cans or can-like cans, bottles, etc., and it is relatively convenient to refill and take out.

[0037] To allow objects 11 to roll from the upper layer 8 to the lower layer 9, the stacking channel of the upper layer 8 is arranged at an angle, with a higher position on the side of the inlet 14 and a lower position on the side of the curved guide portion 5. This allows gravity to cause the objects 11 to roll toward the curved guide portion 5. To reduce rolling friction, first linear protrusions can be provided on the rolling surfaces of the upper stacking track portion 4, the curved guide portion 5, and the lower stacking track portion 6. Second linear protrusions can also be provided on the inner side surfaces of the side panels of the first and second sheets 1 and 2. The second linear protrusions correspond to the end faces of the objects 11, thereby ensuring linear contact between the objects 11 and the rolling surfaces. This is relatively simple in plastic molding. While providing a friction-reducing material layer is also possible, it is relatively complex and costly.

[0038] In some embodiments, as Figures 1 to 4 As shown, the storage rack is composed of a detachable first piece 1, a second piece 2 and a connecting rod 3, and the structure between the first piece 1 and the second piece 2 is composed of an upper stacking track part 4, an arc-shaped guide part 5, and a lower stacking track part 6 arranged in sequence along the rolling direction. This arrangement is beneficial to reducing the logistics volume of the product, facilitating logistics and reducing logistics costs. Specifically, the above-mentioned structure includes a first piece 1 and a second piece 2, and a connecting rod 3 is detachably connected between the first piece 1 and the second piece 2. The detachable connection can be, for example, plug-in, buckle connection, clamping connection, screw connection, etc., and each layer is formed between the first piece 1 and the second piece 2, that is, the structure between the first piece 1 and the second piece 2 constitutes each layer, and the adjacent upper layer 8 and lower layer 9 are provided with an upper stacking track portion 4, an arc-shaped guide portion 5, and a lower stacking track portion 6 arranged in sequence along the rolling direction. The upper stacking track portion 4, the arc-shaped guide portion 5, and the lower stacking track portion 6 are all divided into two parts along the height direction of the object 11 (that is, along the width direction of the shelf 11) and are respectively arranged on the first piece 1 and the second piece 2. The part on the first piece 1 is used to support one end of the object 11, and the part on the second piece 2 is used to support the other end of the object 11.

[0039] To achieve adjustable rack width to accommodate objects 11 of varying heights while further reducing logistics volume, a first spacer 7 is provided between the first and second panels 1, 2. By connecting connecting rods 3 of varying lengths, the size of the first spacer 7 can be adjusted to accommodate objects 11 of varying heights, or by employing retractable connecting rods 3 whose length can be adjusted. This greatly facilitates rack width adjustment. Furthermore, during factory production, the plastic molds for the first and second panels 1, 2 can be used interchangeably. For objects 11 of varying heights, only connecting rods 3 of varying lengths, or retractable connecting rods 3, are required, significantly facilitating production and reducing costs. Furthermore, the first and second panels 1, 2, can be made relatively thin along the width of the rack 11. The first spacer 7 primarily forms the space between the first and second panels 1, supporting the ends of the objects 11, with the middle portion of the objects 11 primarily suspended above the first spacer 7.

[0040] The present disclosure sets up the first spacer 7, which also brings additional advantages to the present disclosure. Specifically, since the middle part of the object 11 is mainly suspended on the first spacer 7, the user can conveniently take and place the object 11 through the first spacer 7, that is, the first spacer 7 provides space for the user's hand to reach the lower side of the object 11.

[0041] In some embodiments, a buffer structure is provided at the end of the bottom layer 9 to cushion the objects 11 that roll down to the end, thereby further reducing noise and vibration. The buffer structure may be made of, for example, springs, sponges, or silicone.

[0042] In some embodiments, as Figures 1 to 4 As shown, in order to further simplify the structure and improve space utilization, the buffer structure disclosed in the present invention is an arc-shaped upward guide portion provided at the end, so that the arc-shaped upward guide portion can not only provide buffering, but also provide an accommodating stroke, which can make the placed object 11 a little closer to the front.

[0043] The first piece 1 is provided with a first curved upward guide portion 12, and the second piece 2 is provided with a second curved upward guide portion 13. The first curved upward guide portion 12 is used to support one end of a placed object 11, and the second curved upward guide portion 13 is used to support the other end of the placed object 11. The first curved upward guide portion 12 and the first piece 1 are integrally molded from plastic, and similarly, the second curved upward guide portion 13 and the second piece 2 are integrally molded from plastic, which greatly facilitates manufacturing.

[0044] In this example, the uppermost layer 8 is provided with an insertion port 14, and the insertion port 14 is provided with an insertion arc-shaped guide portion, which is used to guide the placed object 11 to roll down into the uppermost layer 8. In this way, noise and vibration are further reduced.

[0045] The top layer 8 of the first sheet 1 is provided with a first arcuate insertion guide 15, and the top layer 8 of the second sheet 2 is provided with a second arcuate insertion guide 16. The first arcuate insertion guide 15 is used to support one end of the object 11, and the second arcuate insertion guide 16 is used to support the other end of the object 11. The first arcuate insertion guide 15 and the first sheet 1 are integrally molded from plastic, and similarly, the second arcuate insertion guide 16 and the second sheet 2 are integrally molded from plastic, which greatly facilitates manufacturing.

[0046] In order to make the objects 11 pass through the arc-shaped guide portion 5 more stable and reduce the radial shaking of the objects 11, the arc-shaped guide portion 5 includes two arc-shaped portions located circumferentially of the objects 11, namely an inner arc-shaped portion 17 and an outer arc-shaped portion 18. An arc-shaped channel is formed between the inner arc-shaped portion 17 and the outer arc-shaped portion 18 to guide the objects 11 to roll. At the same time, the arc-shaped channel can be used to stack the objects 11.

[0047] The inner arc portion 17 and the outer arc portion 18 are each divided into two parts and are provided on the first piece 1 and the second piece 2, respectively. The upper stacking track portion 4 and the inner arc portion 17 on the same piece are sequentially connected along the rolling direction, while the outer arc portion 18 and the lower stacking track portion 6 on the same piece are sequentially connected along the rolling direction. This facilitates the rolling of the placed object 11.

[0048] In some embodiments, as Figure 1 As shown, in order to prevent the placed object 11 from falling out of the upper layer 8, the first sheet 1 and the second sheet 2 are both provided with a limiting portion 10 on the top side. The limiting portion 10 narrows the opening of the upper layer 8, so that the placed object 11 cannot be taken out upwards.

[0049] In order to facilitate the movement of the storage rack, armrest holes 19 are provided on the bodies of the first piece 1 and the second piece 2 serving as side panels. The armrest holes 19 also serve as weight-reducing holes, thereby reducing the weight of the first piece 1 and the second piece 2.

[0050] The present disclosure comprises a storage rack formed of a first sheet 1, a second sheet 2, and a connecting rod 3. Both the first sheet 1 and the second sheet 2 are formed through a single plastic molding process to form the main body, which serves as the side panels, and the upper stacking rail portion 4, the curved guide portion 5, and the lower stacking rail portion 6 on the inner side of the main body, greatly facilitating manufacturing. The upper stacking rail portion 4, the curved guide portion 5, and the lower stacking rail portion 6 also serve as reinforcing ribs, thereby enhancing the strength of the first sheet 1 and the second sheet 2 and preventing them from deforming.

[0051] In some embodiments, as Figures 8 to 10As shown, the arcuate guide portion 5 includes an inner rotating bracket 20 and an outer arcuate portion 18 located circumferentially of the object 11. A guide channel is formed between the inner rotating bracket 20 and the outer arcuate portion 18 to guide the rolling of the object 11. The guide channel can also be used to stack the objects 11. In other words, the inner side is the inner rotating bracket 20, providing a rolling contact surface, while the outer arcuate portion 18 provides a fixed arcuate guide surface.

[0052] After further improvement of the inner rotating bracket 20, as shown in FIG. Figures 8 to 10 As shown, the inner rotating bracket 20 includes a rotating portion and multiple arcuate concave surfaces 23 arranged around the rotating portion. The arcuate concave surfaces 23 are used to mate with the outer circumference of the object 11. In addition to serving as rolling contact surfaces, the arcuate concave surfaces 23 also drive the inner rotating bracket 20 to rotate with the object 11 as it moves, thereby rotating the arcuate concave surfaces 23 to the desired position to receive the new object 11. The rotating brackets 17 can be arranged continuously or in intervals along the width of the rack. With this arrangement, the object 11 needs to apply force to rotate the inner rotating bracket 20, which in turn decelerates the object 11, making the object 11's fall from the upper layer to the lower layer smoother and more controllable, thereby further reducing noise and vibration.

[0053] The resistance provided by the inner rotating bracket 20 can be achieved by adjusting the tightness of the inner rotating bracket 20 .

[0054] After further improvement of the inner rotating bracket 20, as shown in FIG. Figures 8 to 10 As shown, the rotating bracket 17 includes a first rotating portion 21 and a second rotating portion 22, which are separated along the width of the rack. The first rotating portion 21 is rotatably connected to the first piece 1, and the second rotating portion 22 is rotatably connected to the second piece 2. Both the first rotating portion 21 and the second rotating portion 22 are provided with an arcuate concave surface 23. This separate rotating bracket 17 allows the first and second rotating portions 21, 22 to be rotatably connected to the first and second pieces 1, 2 during factory manufacturing, eliminating the need to disassemble the bracket into separate parts for packaging and / or logistics. This reduces the difficulty of user installation while maintaining packaging and logistics convenience.

[0055] In some embodiments, as Figure 11 、 12 As shown, the arc-shaped guide portion 5 is provided with a buffer pad 24, and a deceleration structure 25 is provided on the surface of the buffer pad 24. The deceleration structure 25 specifically adopts multiple protrusions. Of course, the deceleration structure 25 can also be other structures, such as a surface layer with a high friction coefficient.

[0056] The buffer pad 24 can be an integral piece made of buffer materials such as a silicone pad, a rubber pad, etc.

[0057] In some embodiments, the surface of the buffer pad 24 can also be set to be smooth.

[0058] In some embodiments, as Figure 11 、 12 As shown, the arc-shaped guide portion 5 is provided with an assembly groove 27, and the buffer pad 24 is installed in the assembly groove 27 to form a complete arc-shaped guide surface of the arc-shaped guide portion 5. The rear side surface of the buffer pad 24 and the assembly groove 27 are set with a second interval 26, that is, the rear side surface of the buffer pad 24 and the bottom surface of the assembly groove 27 are open. The second interval 26 is set for the buffer pad 24 to have space for buffering to the rear side when receiving the placed object 11, that is, it has better buffering performance without the need to make the buffer pad 24 thicker.

[0059] Of course, other structures are also possible, for example, the rear side of the buffer pad 24 is arranged in contact with the assembly groove 27 .

[0060] When understanding the present disclosure, if necessary, the above structure can refer to other embodiments / appendices. Figure 1 And understand, no further elaboration here.

[0061] The above description is merely an illustrative embodiment of the present invention, and therefore any equivalent changes or modifications made according to the structure, features and principles described in the scope of protection of the present invention are included in the scope of protection of the present invention.

Claims

1. A storage rack comprising multiple layers connected in sequence from top to bottom, wherein objects (11) can be rolled down from the upper layer (8) to the lower layer (9), characterized in that: The invention comprises a first piece (1) and a second piece (2), wherein a connecting rod (3) is detachably connected between the first piece (1) and the second piece (2), and each layer is formed between the first piece (1) and the second piece (2), and the adjacent upper layer (8) and lower layer (9) are provided with an upper stacking track portion (4) and a lower stacking track portion (6) arranged in sequence along the rolling direction, and the upper stacking track portion (4) and the lower stacking track portion (6) are both divided into two parts along the height direction of the placed object (11) and are respectively arranged on the first piece (1) and the second piece (2), the part on the first piece (1) is used to support one end of the placed object (11), and the part on the second piece (2) is used to support the other end of the placed object (11); a first interval (7) is provided between the first piece (1) and the second piece (2), and by connecting connecting rods (3) of different lengths, the size of the first interval (7) can be changed to adapt to placed objects (11) of different heights, or a retractable connecting rod (3) is used and the length of the retractable connecting rod (3) is adjusted to change the size of the first interval (7).

2. The storage rack according to claim 1, wherein: An arc-shaped guide portion (5) is provided between adjacent upper layers (8) and lower layers (9), the upper end of the arc-shaped guide portion (5) is communicated with the upper layer (8), and the lower end of the arc-shaped guide portion (5) is communicated with the lower layer (9), and the placed objects (11) are guided by the arc-shaped guide portion (5) to roll down to the lower layer (9), and as the lower layer (9) is filled, the placed objects (11) can continue to be stacked on the arc-shaped guide portion (5); an upper stacking track portion (4), an arc-shaped guide portion (5), and a lower stacking track portion (6) are sequentially provided between the adjacent upper layers (8) and lower layers (9) along the rolling direction, and the upper stacking track portion (4), the arc-shaped guide portion (5), and the lower stacking track portion (6) are all divided into two parts along the height direction of the placed objects (11) and are respectively provided on the first piece (1) and the second piece (2).

3. The storage rack according to claim 1 or 2, wherein: A buffer structure is provided at the end of the bottom layer (9), and the buffer structure is used to buffer the placed objects (11) that roll down to the end.

4. The storage rack according to claim 3, wherein: The buffer structure is an arc-shaped upward-curving guide portion provided at the end, the first piece (1) is provided with a first arc-shaped upward-curving guide portion (12), the second piece (2) is provided with a second arc-shaped upward-curving guide portion (13), the first arc-shaped upward-curving guide portion (12) is used to support one end of the placed object (11), and the second arc-shaped upward-curving guide portion (13) is used to support the other end of the placed object (11).

5. The storage rack according to claim 2, wherein: The arc-shaped guide portion (5) is provided with a buffer pad (24); the surface of the buffer pad (24) is smooth or provided with a deceleration structure (25).

6. The storage rack according to claim 5, wherein: The arc-shaped guide portion (5) is provided with an assembly groove (27), and the buffer pad (24) is installed in the assembly groove (27) to form a complete arc-shaped guide surface of the arc-shaped guide portion (5). The rear side surface of the buffer pad (24) is in contact with the assembly groove (27) or a second spacer (26) is provided. The second spacer (26) is provided to provide a space for buffering the rear side when the buffer pad (24) receives the placed object (11).

7. The storage rack according to claim 1 or 2, wherein: The top layer (8) is provided with an insertion port (14), and the insertion port (14) is provided with an insertion arc-shaped guide portion, and the insertion arc-shaped guide portion is used to guide the placed object (11) to roll into the top layer (8); the top layer (8) of the first sheet (1) is provided with a first insertion arc-shaped guide portion (15), and the top layer (8) of the second sheet (2) is provided with a second insertion arc-shaped guide portion (16), the first insertion arc-shaped guide portion (15) is used to support one end of the placed object (11), and the second insertion arc-shaped guide portion (16) is used to support the other end of the placed object (11).

8. The storage rack according to claim 2, wherein: The arc-shaped guide portion (5) includes two arc-shaped portions located in the circumference of the placed object (11), namely an inner arc-shaped portion (17) and an outer arc-shaped portion (18), and an arc-shaped channel for guiding the placed object (11) to roll is formed between the inner arc-shaped portion (17) and the outer arc-shaped portion (18), and the arc-shaped channel can be used to stack the placed objects (11); the inner arc-shaped portion (17) and the outer arc-shaped portion (18) are both divided into two parts and are respectively provided on the first piece (1) and the second piece (2), and the upper stacking track portion (4) and the inner arc-shaped portion (17) located on the same piece are connected in sequence along the rolling direction, and the outer arc-shaped portion (18) and the lower stacking track portion (6) located on the same piece are connected in sequence along the rolling direction.

9. The storage rack according to claim 2, wherein: The arc-shaped guide portion (5) includes an inner rotating bracket (20) and an outer arc-shaped portion (18) located in the circumference of the placed object (11), and a guide channel for guiding the placed object (11) to roll is formed between the inner rotating bracket (20) and the outer arc-shaped portion (18), and the guide channel can be used to stack the placed objects (11); the inner rotating bracket (20) includes a rotating portion and a plurality of arc-shaped concave surfaces (23) arranged in the circumference of the rotating portion, and the arc-shaped concave surfaces (23) are used to cooperate with the outer circumference of the placed object (11). When the placed object (11) moves, the placed object (11) drives the inner rotating bracket (20) to rotate accordingly through the arc-shaped concave surfaces (23), so that the arc-shaped concave surfaces (23) rotate to a desired position to receive a new placed object (11); the inner rotating bracket (20) is continuously arranged or separately arranged along the width direction of the storage rack.

10. The storage rack according to claim 9, wherein: The inner rotating bracket (20) comprises a first rotating portion (21) and a second rotating portion (22), the first rotating portion (21) and the second rotating portion (22) being separated and arranged along the width direction of the storage rack, the first rotating portion (21) being rotatably connected to the first piece (1), and the second rotating portion (22) being rotatably connected to the second piece (2), and both the first rotating portion (21) and the second rotating portion (22) being provided with an arc-shaped concave surface (23).

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