Bathtub splash-proof toy platform

Abstract

A bathtub splash-proof toy platform comprises a shelf which can be detachably connected, the shelf is formed by splicing and connecting at least two parts, after the shelf is spliced and connected, the shelf is provided with a shelf, a rear baffle and two side baffles, the rear baffle and the two side baffles prevent water from overflowing from the rear edge and the two side edges of the shelf, and the shelf is provided with a first connecting piece. The shelf is detachably connected to the edge of the bathtub through a first connecting piece. The splash-proof toy platform for the bathtub can be disassembled and is favorable for packaging and transportation.

Description

Technical Field

[0001] The utility model relates to the technical field of bathtub splash prevention and object placement, in particular to a bathtub splash prevention toy platform. Background Art

[0002] Children often play on the top edge of the bathtub while bathing, causing water to overflow from the sides and make the floor slippery, potentially posing a hazard to both children emerging from the bath and those bathing them. Similarly, adults often bathe to cleanse and relax, and while bathing, they may light candles around the bathtub, read a book, or wish to have a platform nearby to place items they don't want to get wet. Therefore, those skilled in the art would like to provide a platform that prevents water from overflowing from the bathtub while providing an additional play area for children and additional storage space for adults while bathing.

[0003] Most existing technical devices teach or suggest installing a splash guard with a certain length span on the top edge of the bathtub. Although the splash guard satisfies the function of preventing water splashes and also provides an area for playing and placing items, since most of the concepts teach the design of an integrated splash guard, the splash guard cannot be disassembled as a whole in the length direction. Therefore, when packaging, the splash guard needs to be packaged in a longer packaging box due to its certain length span, which takes up more transportation space during transportation.

[0004] Some splash guards in the prior art also teach to extend a baffle downward from the storage area, which is perpendicular to the storage platform and is downward. The baffle is used to rest against the inner wall of the bathtub. The baffle extends downward for a long distance and spans the two ends of the splash guard in the length direction. Therefore, when in use, the length span is large, and the baffle extending vertically downward for a long distance forms an obvious bulge on the inner wall of the bathtub, which feels abrupt. In addition, the baffle is made of hard plastic together with the splash guard. During use, it is difficult to conform to ergonomics and the comfort is poor. It also increases the volume and weight of the entire splash guard to a certain extent, which is not conducive to packaging and transportation. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the splash-proof plate is not conducive to packaging and transportation, and to provide a bathtub splash-proof toy platform with a new structure.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A bathtub splash-proof toy platform includes a detachably connected shelf, the shelf being formed by at least two parts being spliced ​​together. After the splicing and connection, the shelf comprises a shelf, a rear baffle and two side baffles for preventing water from overflowing from the rear edge and both side edges of the shelf. The shelf is provided with a first connector, and the shelf can be detachably connected to the edge of the bathtub via the first connector.

[0008] Preferably, the shelf is provided with a downwardly extending front baffle at least at a portion of the front edge, and the texture of the front baffle is softer than that of the shelf.

[0009] Preferably, the front baffle is provided with a second connector, and the front baffle is detachably connected to the front edge of the shelf via the second connector.

[0010] Preferably, the front baffle is further provided with a third connecting member, and the front baffle is detachably connected to the inner wall of the bathtub at the edge of the bathtub through the third connecting member.

[0011] Preferably, the connecting member 3 is a suction cup having an integrated structure with the front baffle.

[0012] Preferably, the shelf is formed by connecting three parts along the length direction, including a middle shelf, a side shelf 1 and a side shelf 2 symmetrically spliced ​​on both sides of the middle shelf.

[0013] Preferably, the side shelf 1 extends out a connector 1 at the joint, the middle shelf is provided with a cavity 1 for inserting the connector 1 at the joint on one side, the side shelf 2 extends out a connector 2 at the joint, the middle shelf is provided with a cavity 2 for inserting the connector 2 at the joint on the other side.

[0014] Preferably, the connector 1 is provided with an elastic card block 1, and the wall of the insertion cavity 1 is provided with a card hole 1 for the elastic card block 1 to be engaged. The connector 2 is provided with an elastic card block 2, and the wall of the insertion cavity 2 is provided with a card hole 2 for the elastic card block 2 to be engaged.

[0015] Preferably, the side shelf one and the side shelf two both extend folded edges vertically outward along their respective peripheral edges, and the connector one extends from the folded side wall at the joint of the side shelf one to form a plate-shaped connector, and the plate-shaped connector is roughly centered on the corresponding folded side wall; the connector two extends from the folded side wall at the joint of the side shelf two and is also constructed into a plate-shaped connector, and the plate-shaped connector is also roughly centered on the corresponding folded side wall.

[0016] Preferably, after the side shelf 1, the middle shelf and the side shelf 2 are spliced ​​and connected, the shelf has a roughly flat storage surface and a blocking surface that is roughly perpendicular to the storage surface. The storage surface is roughly horizontal or slightly inclined downward toward the bathtub. The blocking surface includes two side blocking surfaces respectively connected to the two side edges of the storage surface and a rear blocking surface connected to the rear edge of the storage surface.

[0017] Preferably, the middle shelf is aligned with the folded edges on both sides that need to be spliced, and the middle shelf is aligned with the folded edges on both sides that need to be attached.

[0018] Preferably, the front baffle is provided at the front edge of the first side shelf, and the front baffle is also provided at the front edge of the second side shelf.

[0019] Preferably, the front baffle has at least a connecting plate body portion that is detachably connected to the bottom of the front edge of the shelf through a second connecting piece, and the front baffle is also at least detachably connected to the baffle portion on the inner wall of the bathtub through a third connecting piece, and the baffle portion is in contact with the folded edge there.

[0020] Preferably, a cavity frame is provided at the bottom of the front edge of the shelf, and the connecting plate body is attached to the cavity frame. A pressure plate is also provided at the bottom of the connecting plate body, and the connecting plate body is pressed into the cavity frame by the pressure plate through the second connecting member.

[0021] Preferably, the first connecting member is a suction cup, which is fixed to the bottom of the shelf through a first mounting base, and the second connecting member is a fastening screw, and a second mounting base for the fastening screw to be screwed in is provided at the bottom of the cavity frame.

[0022] Preferably, the middle shelf is provided with a concave cavity for handholding near the top of the rear wall, and reinforcing ribs are provided in the concave cavity.

[0023] Preferably, the bottom of the shelf is provided with crisscross reinforcing ribs.

[0024] The bathtub splash-proof toy platform of the utility model has a shelf that can be disassembled and connected as a whole. When packing, the connected shelves can be disassembled and then packed, which is convenient for packaging and can effectively reduce the volume of the packaging box, especially the overall length of the packaging box. During transportation, the space occupied by the packaging box can also be effectively reduced. The overall improvement is conducive to packaging and transportation.

[0025] The bathtub splash-proof toy platform of the present invention, when in use, provides children with an expanded play area along the edge of the bathtub, allowing them to play with any wet or dry items without spilling them onto the bathroom floor. Alternatively, the bathtub splash-proof toy platform can be used by adults who want to bathe and have a large area for storing items they don't want to get wet. For example, adults can place towels, candles, books, drinks, food, electronic devices, or similar items they use in the bathtub on the platform's shelf and keep them dry.

[0026] To secure the bathtub splash guard to the bathtub, suction cups are located on the bottom of the shelf and on the back of the front panel. In one simple step, the bathtub splash guard attaches to the rim and inner wall of the bathtub. The releasable connection provided by the suction cups allows the bathtub splash guard to be quickly removed and stored for later use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 12. A schematic diagram of a first-position structure of a bathtub splash-proof toy platform according to an embodiment;

[0028] Figure 2 2 is a schematic diagram of the second orientation structure of the bathtub splash-proof toy platform in one embodiment;

[0029] Figure 3 2. It is a schematic diagram of a partially exploded structure of a bathtub splash-proof toy platform in a first orientation according to an embodiment;

[0030] Figure 4 2 is a schematic diagram of a partially exploded structure of a bathtub splash-proof toy platform in a second orientation according to an embodiment;

[0031] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at A in FIG;

[0032] Figure 6 A partial cross-sectional schematic diagram of a bathtub splash-proof toy platform in one embodiment;

[0033] Figure 7 Schematic cross-sectional view of a suction cup 1 in one embodiment. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They 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 direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0036] In addition, if an embodiment of the present invention includes a description referring to a certain component "one" or "two," the description of "one" or "two" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of the technical features indicated. Therefore, a feature specified as "one" or "two" may explicitly or implicitly include at least one of these features.

[0037] The bathtub splash-proof toy platform of this embodiment provides a play area for children while bathing in the bathtub, while helping to prevent water from splashing onto the floor next to the bathtub, and also making it convenient to place items while bathing.

[0038] like Figure 1-7 As shown, the bathtub splash-proof toy platform is essentially a shelf 100, which is composed of at least two detachable and connectable parts. During design, the shelf 100 can be divided into at least two parts in the width direction and connected, or it can be divided into at least two parts in the length direction and connected. In this embodiment, because the shelf 100 has a certain length as a whole, dividing it in length is more suitable. It should be noted that after the shelf 100 is divided into at least two parts in the length direction, each part is connected by a splicing method. In this way, the shelf 100, after being spliced ​​and connected, includes a shelf 1, a rear baffle 2 to prevent water from overflowing from the rear edge and side edges of the shelf 1, and two side baffles 3. The shelf 1, rear baffle 2, and two side baffles 3 together enclose an area for placing objects, such as children's toys, bath towels, etc., in this area. Children can play in this area, and it can also provide an additional storage area for adults when bathing.

[0039] Of course, the bathtub splash-proof toy platform is mainly used in conjunction with the bathtub. In order to be able to be fixed to the bathtub, a connector 1 is provided at the bottom of the shelf 100. The shelf 1 can be detachably connected to the edge of the bathtub through the connector 1. It should be noted that the edge of the bathtub usually has a relatively flat top wall, and the shelf 1 can be detachably connected to the top wall through the connector 1.

[0040] In this embodiment, the connecting member 1 is preferably a suction cup 4, and the suction cup 4 is fixedly mounted on the bottom of the shelf 1 through a mounting seat 5. Specifically, the shelf 1 is provided with a plurality of mounting seats 5 arranged in a row at equal distances along the length direction of the shelf 1 at the bottom near the front edge. Each mounting seat 5 is integrally formed with the shelf 1 and protrudes from the bottom of the shelf 1. Each mounting seat 5 is provided with a mounting hole 6, and a mounting sleeve 7 is clamped in the mounting hole 6. The suction cup 4 is constructed as a whole into a disc-shaped body, and a protruding positioning column 8 is formed at the center of the outer top of the disc-shaped body. During installation, the mounting sleeve 7 is first inserted into the mounting hole 6, and then the positioning column 8 is inserted into the mounting sleeve 7. After appropriate tightening, the suction cup 4 is installed. After installation, if the suction cup 4 needs to be removed, the reverse operation can be performed to achieve removal. Generally speaking, the suction cup 4 has been installed when leaving the factory, and the user does not need to spend more time on installation after purchase. Specifically, refer to Figure 4 、 Figure 5 、 Figure 7 .

[0041] In this embodiment, the shelf 100 is composed of three sections connected along its length: a center shelf 9, side shelves 10 and 11 symmetrically connected to either side of the center shelf 9. In this embodiment, due to the aligned connection, the shelf 100, after the side shelves 10, center shelf 9, and side shelves 11 are connected, comprises a generally flat storage surface 16 and a retaining surface generally perpendicular to the storage surface 16. The storage surface 16 is generally horizontal or slightly angled downward toward the bathtub to facilitate water flow toward the bathtub. The retaining surface includes side retaining surfaces 17 connected to the side edges of the storage surface 16 and a rear retaining surface 18 connected to the rear edge of the storage surface 16. Together, the side retaining surfaces 17, rear retaining surface 18, and storage surface 16 form an extended area for children to play and accommodate toys, towels, books, clothes, and other suitable items.

[0042] To achieve splicing, in this embodiment, the side shelf 10 extends a connector 12 at the splicing point, the middle shelf 9 is provided with a cavity 13 at one side of the splicing point for inserting the connector 12, the side shelf 11 extends a connector 14 at the splicing point, and the middle shelf 9 is provided with a cavity 15 at the other side of the splicing point for inserting the connector 14. Furthermore, to prevent loosening after splicing, the connector 12 is provided with an elastic block 19, the wall of the cavity 13 is provided with a locking hole 20 for the elastic block 19 to engage, the connector 14 is provided with an elastic block 21, and the wall of the cavity 15 is provided with a locking hole 22 for the elastic block 21 to engage. After the connectors are inserted and assembled, the elastic blocks further engage in the holes, ensuring that side shelf 10 and side shelf 2 11 maintain a secure and continuous connection with the middle shelf 9. Furthermore, to facilitate disassembly, the first and second holes 20 and 22 are each configured as through-holes, formed in the bottom wall of the corresponding insertion cavity and extending downward through the corresponding bottom wall. During disassembly, the tabs 23 of the corresponding blocks inserted into the through-holes can be pressed. Due to the elasticity of the corresponding elastic blocks, the tabs 23 will disengage from the through-holes, allowing the corresponding side shelves to be pulled outward, thereby completing the disassembly of the shelf 100.

[0043] refer to Figure 1-5Side shelf 10 and side shelf 2 11 both have hems 24 extending vertically outward along their respective edges. Connector 1 12 extends from the sidewalls of the hems 24 at the joint of side shelf 10 to form a plate-shaped connector, which is roughly centered on the sidewalls of the corresponding hems 24. Connector 2 14 also extends from the sidewalls of the hems 24 at the joint of side shelf 2 11 to form a plate-shaped connector, which is also roughly centered on the sidewalls of the corresponding hems 24. This structural arrangement, particularly the hems 24, not only enhances the strength of side shelf 10 and side shelf 2 11 at their edges, but also effectively extends a flange around the edges of side shelf 10 and side shelf 2 11, allowing for easy handling. The overall design further meets visual requirements, improving the quality of the product.

[0044] With further optimization, the middle shelf 9 is aligned with the folded edges 24 on both sides to be spliced, and the middle shelf 9 is aligned with the folded edges 24 on both sides to be attached. In this way, after splicing, no protruding structure is formed, and the overall splicing is continuous, which can effectively improve product quality.

[0045] The shelf 100 mentioned above has its shelf 1 detachably connected to the top wall of the bathtub rim via suction cups 1 and 4. This detachable connection, thanks to the use of suction cups, allows for easy attachment and release from the top wall of the bathtub rim, making operation relatively convenient. In this embodiment, to further enhance attachment, particularly to the inner wall of the bathtub rim, the shelf 1 is provided with a downwardly extending front baffle 25 at least partially along its front edge. This front baffle 25 is softer than the shelf 1, thus eliminating the hard material used in the prior art and preventing a hard feel. As a preferred configuration, in this embodiment, the front baffle 25 is provided with a second connector, via which it is detachably connected to the bottom front edge of the shelf 1. Furthermore, the front baffle 25 is provided with a third connector, via which it is detachably connected to the inner wall of the bathtub rim. It should be noted that the distance that the front baffle 25 extends downward into the bathtub is only a short distance near the top of the bathtub edge. In addition, the front baffle 25 is soft in texture and can be made relatively thin. It will not form an obvious bulge and will not feel stiff when touched, which is more ergonomic.

[0046] In this embodiment, the third connector preferably comprises a second suction cup 26 integrally formed with the front baffle 25. The second suction cup 26 is integrally molded with the front baffle 25 and, when in use, adheres to the bathtub sidewall, further enhancing the secure connection between the shelf 100 and the bathtub. The second suction cup 26 is positioned lower on the rear wall of the front baffle 25 and arranged in a row, spaced evenly along the length of the front baffle 25. This allows the front baffle 25 to adhere to the bathtub sidewall along its entire length.

[0047] The suction cup 1 4 and the suction cup 2 26 mentioned above both adopt a disc-shaped design, and have a certain degree of flexibility and elasticity, and can be adsorbed on a relatively flat surface. They can be adsorbed on the surface and released from the surface.

[0048] Taking into account that the shelf 100 is composed of three parts, in this embodiment, the front baffle 25 is set at the front edge of the side shelf 10, and the front baffle 25 is also set at the front edge of the side shelf 2 11, while the middle shelf 9 is no longer provided with the front baffle 25. Such a design can avoid the unnecessary setting of the front baffle 25 on the middle shelf 9, making the product simpler and easier to assemble.

[0049] Regarding the structure of the front baffle 25, in this embodiment, specifically: the front baffle 25 comprises at least a connecting plate portion 27 that is removably connected to the bottom front edge of the shelf 1 via a second connector. The front baffle 25 also comprises at least a baffle portion 28 that is removably connected to the inner wall of the bathtub via a second suction cup 26. The baffle portion 28 abuts against the folded edge 24 at that location. As can be seen, when installed, the front baffle 25 assumes a substantially rectangular shape, allowing for both installation and attachment to the inner wall of the bathtub. Once installed, the abutment of the baffle portion 28 against the folded edge 24 allows water flowing off the shelf 1 to flow along the folded edge 24 and baffle portion 28 into the bathtub, preventing accumulation of water. As a further optimization, the middle shelf 9 is further provided with a drainage channel 29 that guides water accumulated on the shelf 1 into the drainage channel 29 and into the bathtub. It can be seen that there is basically no water accumulation on the shelf 1, and the accumulated water can flow out automatically under the setting of the above structure.

[0050] In this embodiment, a special mounting position is provided for the installation of the connecting plate body 27. Specifically, a cavity frame 30 is provided at the bottom of the front edge of the shelf 1, and the connecting plate body 27 is attached to the cavity frame 30. A pressure plate 31 is also provided at the bottom of the connecting plate body 27. The connecting plate body 27 is pressed into the cavity frame 30 by the pressure plate 31 through the second connector. Since the front baffle 25 is softer than the shelf 1 and can be made of rubber, the above-mentioned installation method is adopted, and the special pressure plate 31 is provided to effectively protect the rubber front baffle 25 and also to press it more firmly.

[0051] As a structural optimization, the second connecting member is preferably a fastening screw, and the cavity frame 30 is provided with a second mounting seat 32 for the fastening screw to be screwed into. It should be noted that the second mounting seat 32 can be integrally formed with the shelf 1 to increase strength. The second mounting seats 32 protrude from the bottom of the shelf 1 and are arranged in rows at equal distances within the corresponding cavity frame 30, thereby enabling the connection plate body 27 to be installed along the entire length of the corresponding side shelf.

[0052] As a structural optimization, the middle shelf 9 is provided with a cavity 33 for handholding near the top of the rear wall, and a reinforcing rib 34 is provided in the cavity 33. In this way, after the shelf 100 is taken off the bathtub, the fingers can be inserted into the cavity 33 for gripping, making it convenient to carry.

[0053] In this embodiment, the bottom and back of the first and second connectors 12, 14 are both provided with crisscrossing reinforcing ribs 35, which are intended to save material while effectively increasing strength. In other embodiments, the bottom of the shelf 1 may also be provided with reinforcing ribs, or may be omitted. Whether or not to provide such ribs is merely an optimization and improvement of the present invention and does not affect the scope of protection of the present invention.

[0054] The bathtub splash-proof toy platform of the present invention is divided into three parts in the length direction, thereby forming a detachable structure, which is convenient for packaging and transportation. At the same time, a detachable front baffle is provided, and its downward extension distance is effectively shortened. The platform is also differentiated by the softness of the material, that is, the shelf is made of harder plastic, and the front baffle is made of softer rubber material. Therefore, no large-area bulge is formed, and a softer touch is formed when touched, which conforms to ergonomics.

[0055] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bathtub splash-proof toy platform, characterized in that: The invention relates to a detachable shelf, wherein the shelf is formed by at least two parts connected in parallel. After the two parts are connected in parallel, the shelf has a shelf, a rear baffle and two side baffles for preventing water from overflowing from the rear edge and both side edges of the shelf. The shelf is provided with a first connector, and the shelf can be detachably connected to the edge of the bathtub through the first connector.

2. A bathtub splash-proof toy platform according to claim 1, characterized in that: The shelf is provided with a downwardly extending front baffle at least at a portion of the front edge, and the texture of the front baffle is softer than that of the shelf.

3. A bathtub splash-proof toy platform according to claim 2, characterized in that: The front baffle is provided with a second connecting piece, and the front baffle is detachably connected to the front edge of the shelf through the second connecting piece.

4. A bathtub splash-proof toy platform according to claim 2 or 3, characterized in that: The front baffle is further provided with a third connecting piece, through which the front baffle can be detachably connected to the inner wall of the bathtub at the edge of the bathtub.

5. The bathtub splash-proof toy platform according to claim 4, characterized in that: The shelf is formed by connecting three parts along the length direction, including a middle shelf, a side shelf 1 and a side shelf 2 symmetrically spliced ​​on both sides of the middle shelf.

6. The bathtub splash-proof toy platform according to claim 5, characterized in that: The side shelf 1 extends out a connector 1 at the joint, the middle shelf is provided with a cavity 1 for inserting the connector 1 at the joint on one side, the side shelf 2 extends out a connector 2 at the joint, the middle shelf is provided with a cavity 2 for inserting the connector 2 at the joint on the other side.

7. The bathtub splash-proof toy platform according to claim 6, characterized in that: The first connector is provided with an elastic card block, and the wall of the first insertion cavity is provided with a card hole for the first elastic card block to be engaged. The second connector is provided with a second elastic card block, and the wall of the second insertion cavity is provided with a card hole for the second elastic card block to be engaged.

8. The bathtub splash-proof toy platform according to claim 7, characterized in that: Both the side shelf one and the side shelf two have folded edges extending vertically outward along their respective peripheral edges. The connector one extends from the folded side wall at the joint of the side shelf one and is constructed into a plate-shaped connector. The plate-shaped connector is roughly centered on the corresponding folded side wall. The connector two extends from the folded side wall at the joint of the side shelf two and is also constructed into a plate-shaped connector. The plate-shaped connector is also roughly centered on the corresponding folded side wall.

9. The bathtub splash-proof toy platform according to claim 8, characterized in that: The middle shelf is aligned with the folded edges on both sides that need to be spliced, and the middle shelf is aligned with the folded edges on both sides that need to be pasted.

10. The bathtub splash-proof toy platform according to claim 9, characterized in that: The front baffle is provided at the front edge of the first side shelf, and the front baffle is also provided at the front edge of the second side shelf.

11. A bathtub splash-proof toy platform according to claim 10, characterized in that: The front baffle has at least a connecting plate body portion that is detachably connected to the bottom of the front edge of the shelf through a second connecting piece, and the front baffle is also at least detachably connected to the baffle portion on the inner wall of the bathtub through a third connecting piece, and the baffle portion is in contact with the folded edge there.

12. The bathtub splash-proof toy platform according to claim 11, characterized in that: The shelf is provided with a cavity frame at the bottom of the front edge, the connecting plate body is attached to the cavity frame, and a pressing plate is also provided at the bottom of the connecting plate body, and the connecting plate body is pressed into the cavity frame by the pressing plate through the second connecting member.

13. The bathtub splash-proof toy platform according to claim 12, characterized in that: The first connecting member is a suction cup, which is fixedly mounted on the bottom of the shelf through a first mounting base. The second connecting member is a fastening screw, and a second mounting base for the fastening screw to be screwed into is provided at the bottom of the cavity frame.

14. The bathtub splash-proof toy platform according to claim 13, characterized in that: The middle shelf is provided with a concave cavity for handholding at the rear wall near the top, and the concave cavity is provided with reinforcing ribs.

15. The bathtub splash-proof toy platform according to claim 14, characterized in that: The bottom of the shelf is provided with crisscross reinforcing rib blocks.

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