Jigsaw table

Abstract

The utility model relates to the technical field of furniture articles, in particular to a jigsaw table, which is provided with a table frame and a panel assembly arranged on the table frame, the panel assembly comprises a middle frame unit and a table plate arranged in the middle frame unit, the middle frame unit is internally provided with a placing cavity and at least one drawer unit arranged in the placing cavity, and the drawer unit is arranged in the placing cavity. The drawer unit is rotationally connected with the middle frame unit through a rotating piece and can be rotationally pulled out or pushed in relative to the rotating piece, and the rotating piece is arranged at the position, close to the corner end, of one side edge of the drawer unit and rotationally connected with the side edge of the middle frame unit. Through the design of the rotary drawer unit, the problems that the front-back moving space of the drawer is limited, and the drawers on the two sides of the large table top are difficult to be completely drawn out are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of furniture and household products technology, and in particular to a jigsaw puzzle table. Background Technology

[0002] A puzzle table is a table specifically designed for assembling puzzles, offering functionality and convenience to provide a comfortable and tidy puzzle-solving experience. Chinese Patent CN202323092773.0 discloses a puzzle table comprising a base plate, a frame on the side of the base plate away from the ground, a tabletop on the frame, a limiting groove for mounting the tabletop on the frame, a cavity between the tabletop and the base plate, and a drawer on the side of the base plate away from the ground. The frame has a mounting groove for the drawer to be installed and slid, and the mounting groove communicates with the cavity. This design allows users to divide the puzzle pieces into several smaller parts before assembling the puzzle, assembling one part first, and placing the remaining parts in the drawer. After assembling one part, another part can be taken out of the drawer, gradually completing the entire puzzle process, thereby improving the ease of use and puzzle-solving efficiency of the puzzle table.

[0003] However, the drawer in this patent uses a straight-pull-out structure, which has the following drawbacks:

[0004] (1) Because drawers need to have sufficient forward and backward movement distance, the internal space design of drawers is often limited, resulting in some areas not being fully utilized.

[0005] (2) When the desktop area is large, the straight pull-out drawers on both sides of the desktop need sufficient space to move back and forth when fully pulled out. Therefore, the user needs to stand up from the seat and walk to the side of the desktop to pull them out completely, which increases the difficulty of use. Utility Model Content

[0006] To address the problems mentioned above in the background art, this utility model provides a jigsaw puzzle table.

[0007] The solution adopted by this utility model to solve its technical problem is: a jigsaw puzzle table, having a table frame and a panel assembly disposed on the table frame. The panel assembly includes a middle frame unit and a table board installed in the middle frame unit. The middle frame unit has a placement cavity and at least one drawer unit disposed in the placement cavity. The drawer unit is rotatably connected to the middle frame unit through a rotating member, and can be rotated out or pushed in relative to the rotating member. The rotating member is disposed on one side of the drawer unit near the corner and is rotatably connected to the side of the middle frame unit.

[0008] By adopting the above technical solution, the drawer unit is rotatably connected to the middle frame unit using a rotating component. The rotating drawer unit can be opened by rotating the rotating component at the opposite corner without the need for additional forward and backward movement space, allowing users to operate it directly from their seats, thus improving ease of use and space utilization.

[0009] Furthermore, the drawer unit is fan-shaped with an arc-shaped side away from the rotating member and a fixed side near the rotating member. A locking mechanism is provided between the fixed side and the placement cavity for locking the drawer unit when it is closed.

[0010] By adopting the above technical solution, the drawer unit features an arc-shaped edge away from the rotating component, which effectively reduces the risk of collision between the drawer and the middle frame unit during rotation and opening. Furthermore, a fixed edge is provided, and a locking device is installed between this fixed edge and the mounting cavity to effectively prevent the drawer unit from accidentally sliding out when not in use.

[0011] Furthermore, the locking mechanism includes a first magnetic attraction part fixed to the fixed side and a second magnetic attraction part fixed to the side wall of the placement cavity and in contact with the first magnetic attraction part. The first magnetic attraction part can be attracted to or separated from the second magnetic attraction part by rotating and sliding.

[0012] By adopting the above technical solution, when the drawer unit is closed, the second magnetic part located in the placement cavity attracts the first magnetic part located on the fixed side of the drawer unit, thus completing the locking.

[0013] Furthermore, the locking mechanism includes a T-shaped block threadedly connected to the fixed side, and the side wall of the placement cavity is provided with a through hole adapted to the T-shaped block for it to pass through during rotation and advancement. The T-shaped block can rotate to form a cross structure with the through hole for locking.

[0014] By adopting the above technical solution, when the drawer unit is closed, the T-block protrudes through the perforation. Simply rotating the T-block forms a cross-shaped structure with the edge of the perforation. This effectively prevents the T-block from coming out of the perforation, thus achieving a stable locking effect.

[0015] Furthermore, the locking mechanism is a spring-loaded self-locking mechanism, which includes a movable latching part disposed on the fixed side and a fixed latching part disposed on the side wall of the placement cavity. The movable latching part can lock the fixed latching part by applying force through rotation, and can be unlocked from the fixed latching part by applying force again.

[0016] By adopting the above technical solution, when locking is required, the drawer unit can be rotated so that the movable latching part on its fixed side contacts the fixed latching part and a certain force is applied, thereby causing the fixed latching part to engage with the movable latching part, thus achieving locking. When unlocking is required, force can be applied again from the outside of the drawer unit, causing force to be applied to the fixed latching part again, allowing the movable latching part to disengage from the fixed latching part, thus achieving unlocking.

[0017] Furthermore, one side of the panel assembly is hinged to the table frame, and a support mechanism for supporting and fixing the panel assembly at different angles is also provided between the panel assembly and the table frame. The support mechanism includes two hinge brackets disposed between the panel assembly and the table frame, with one end of each hinge bracket hinged to both sides of the panel assembly and the other end hinged to both sides of the table frame.

[0018] By adopting the above technical solution, one side of the panel assembly is hinged to the table frame, allowing the panel assembly to be rotated and adjusted relative to the table frame. A hinge bracket is provided between the two, which can limit the rotation angle of the panel assembly while fixing it at a desired angle. This improves the adjustment flexibility and operational stability of the panel assembly.

[0019] Furthermore, the support mechanism includes two gas springs disposed between the panel assembly and the table frame, with one end of each gas spring hinged to both sides of the panel assembly and the other end hinged to both sides of the table frame.

[0020] By adopting the above technical solution, the elasticity of the gas spring can be used to support and open the panel assembly, and it can be stably fixed at the required angle.

[0021] Furthermore, the tabletop is detachably installed on the top surface of the middle frame unit, and the top surface of the middle frame unit is provided with a groove for accommodating the tabletop, and the sidewall of the groove is provided with a plurality of elastic baffles for fixing the tabletop at intervals.

[0022] By adopting the above technical solution, the tabletop can be detachably installed in the middle frame unit and fixed with spaced elastic baffles, which facilitates assembly, disassembly and transportation.

[0023] Furthermore, the drawer unit has a retrieval part on the outer side away from the rotating part for easy rotation and extraction of the drawer unit, and the top edge of the middle frame unit is also provided with a handle.

[0024] By adopting the above technical solution, the user can easily grasp the component and use it to rotate and pull out the drawer unit. A handle is also provided on the top edge of the middle frame unit, making it easy for the user to lift and move the entire device.

[0025] In summary, the beneficial effects of this utility model are as follows: This utility model incorporates a drawer unit within the middle frame unit, providing additional storage space. Furthermore, the drawer unit is rotatably connected to the middle frame unit via a rotating component. The rotating drawer unit can be opened by rotating the rotating component at the opposite corner, eliminating the need for additional forward or backward movement. This allows users to operate the drawer directly from their seat, avoiding the problem of drawers on the sides of a large desktop being difficult to fully extend, effectively improving ease of use and space utilization.

[0026] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0028] Figure 2 This is a schematic diagram of the drawer unit being screwed out in this embodiment;

[0029] Figure 3 This is a schematic diagram of the middle frame unit in this embodiment;

[0030] Figure 4 This is a schematic diagram of the locking mechanism in Embodiment 1;

[0031] Figure 5 This is a schematic diagram of the locking mechanism in Embodiment 2;

[0032] Figure 6 This is a schematic diagram of the locking mechanism in Embodiment 3;

[0033] Figure 7 This is an enlarged schematic diagram of the support mechanism in Embodiment 4;

[0034] Figure 8 This is a schematic diagram of the support mechanism in Example 5.

[0035] In the diagram: 1. Table frame; 2. Panel assembly; 21. Middle frame unit; 211. Recessed groove; 212. Elastic baffle; 22. Tabletop; 23. Housing cavity; 24. Drawer unit; 241. Curved edge; 242. Fixed edge; 243. Retrieval component; 25. Rotating component; 26. Handle; 31. First magnetic attraction part; 32. Second magnetic attraction part; 41. T-block; 42. Perforation; 51. Movable latching part; 52. Fixed latching part; 6. Support mechanism; 61. Hinge bracket; 62. Gas spring. Detailed Implementation

[0036] To make the content of this utility model easier to understand, the present utility model will be further described below with reference to specific embodiments and accompanying drawings.

[0037] It should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "inner," and "outer" used herein to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Unless otherwise stated, "a plurality of" means two or more.

[0038] Unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0039] Example 1

[0040] like Figures 1 to 7 As shown, this embodiment provides a jigsaw puzzle table, comprising a table frame 1 and a panel assembly 2 disposed on the table frame 1. The panel assembly 2 of this embodiment includes a middle frame unit 21 and a tabletop 22 installed within the middle frame unit 21. The middle frame unit 21 has a housing cavity 23 and at least one drawer unit 24 disposed within the housing cavity 23. The drawer unit 24 is rotatably connected to the middle frame unit 21 via a rotating member 25, allowing it to be rotated out or pushed in relative to the rotating member 25. The rotating member 25 is disposed on one side of the drawer unit 24 near a corner and is rotatably connected to the side of the middle frame unit 21.

[0041] In this embodiment, the table frame 1 serves as a support structure and can be either a fixed table frame 1 or a height-adjustable table frame 1. A panel assembly 2, comprising a middle frame unit 21, a tabletop 22, and drawer units 24, is provided at the top of the table frame 1. The middle frame unit 21 serves as a frame surrounding the tabletop 22 and has an internal cavity 23. Two drawer units 24 are located inside the cavity 23, respectively on both sides, fully filling the cavity. Openings are provided on both sides of the middle frame unit 21, allowing the two drawer units 24 to be pulled out. Furthermore, the thickness of the middle frame unit 21 can be increased as needed to accommodate multiple drawer units 24 on both sides, with each drawer unit 24 containing multiple puzzle compartments for holding puzzle pieces. Each drawer unit 24 is connected to the middle frame unit 21 by a rotating component 25. This rotating component 25 can be a rotating shaft or a ball joint, connecting the outer edge of the drawer unit 24 near the corner (the end closest to the user's front) to the corresponding position on the side of the middle frame, maximizing the rotation radius of the drawer unit 24. When the drawer unit 24 needs to be pulled out, the user simply pulls it out by hand in an arc from the outer edge. The drawer unit 24 rotates relative to the axis of the rotating component 25, thereby maximizing the extension of the drawer and facilitating the retrieval of puzzle pieces from the internal drawer compartments. Conversely, by applying a pushing force from the outer edge, the drawer unit 24 can be pushed back into the placement cavity 23 in the direction of rotation.

[0042] like Figure 2 and Figure 4 As shown, the drawer unit 24 in this embodiment is fan-shaped, with an arc-shaped edge 241 on the side away from the rotating member 25 and a fixed edge 242 on the other side closer to the rotating member 25. A locking mechanism is provided between the fixed edge 242 and the placement cavity 23 for locking the drawer unit 24 when it is closed. Specifically, the drawer unit 24 in this embodiment is designed with three edges, with the rotating member 25 mounted on the outer edge, which matches the side lines of the middle frame unit 21 to ensure the aesthetics of the structure. The edge opposite to the rotating member 25 is designed with an arc shape, which can significantly reduce the risk of collision between the drawer and the middle frame during the rotation and opening / closing process. In addition, the straight edge on the other side closer to the rotating member serves as the fixed edge 242, which will be in close contact with the inner wall of the placement cavity 23 when the drawer unit 24 is closed. A locking device is provided between the fixed edge 242 and the placement cavity 23 to effectively and tightly connect the two, preventing the drawer unit 24 from accidentally sliding out when not in use.

[0043] like Figure 2 and Figure 4As shown, the locking mechanism of this embodiment includes a first magnetic attraction part 31 fixed to the fixed edge 242 and a second magnetic attraction part 32 fixed to the side wall of the placement cavity 23 and in contact with the first magnetic attraction part 31. The first magnetic attraction part 31 can attract or separate from the second magnetic attraction part 32. Specifically, a magnet is fixedly disposed on the side of the fixed edge 242 away from the rotating member 25 as the first magnetic attraction part 31, and another magnet, capable of attracting the first magnet, is fixedly disposed at the corresponding position in the placement cavity 23 as the second magnetic attraction part 32. When the drawer unit 24 is closed, the fixed edge 242 abuts against the corresponding inner side wall of the placement cavity 23 during rotation. At this time, the second magnetic attraction part 32 attracts the first magnetic attraction part 31, locking the drawer unit 24 and preventing it from sliding out accidentally. Furthermore, because its magnetic force is relatively small, the first magnetic attraction part 31 can disengage from the second magnetic attraction part 32 with only user force, thus unlocking the drawer.

[0044] like Figure 2 As shown, in this embodiment, one side of the panel assembly 2 is hinged to the table frame 1, and a support mechanism 6 for supporting and fixing the panel assembly 2 at different angles is provided between the panel assembly 2 and the table frame 1. This support mechanism 6 includes two hinge brackets 61 disposed between the panel assembly 2 and the table frame 1. One end of each hinge bracket 61 is hinged to both sides of the panel assembly 2, and the other end is hinged to both sides of the table frame 1. The top front side of the table frame 1, i.e., the side closest to the user, is connected to the front side of the panel assembly 2 via a hinge. This allows the panel assembly 2 to be flipped relative to the table frame 1, tilting towards the user to adjust to a suitable usage angle. The support mechanism 6 is also provided between the two, wherein in this embodiment, the support mechanism 6 consists of two hinge brackets 61 respectively disposed between the sides of the table frame 1 and the panel assembly 2. The hinge bracket 61 specifically includes a sleeve rod hinged to the side of the table frame 1 and a bracket hinged to the side of the panel assembly 2. The bracket is inserted into the sleeve rod and can slide against it. Multiple stop holes are arranged in the inner cavity of the sleeve rod, and a stop protrusion is provided on the side of the movable end of the bracket. When the user adjusts the panel assembly 2 to a suitable angle, it can be embedded into the corresponding stop hole in the sleeve rod, thereby fixing the bracket in a specific position and ensuring the stability of the panel assembly 2 at different angles.

[0045] like Figure 3As shown, in this embodiment, the tabletop 22 is detachably installed on the top surface of the middle frame unit 21. The top surface of the middle frame unit 21 is provided with a groove 211 for accommodating the tabletop 22. Multiple elastic baffles 212 for fixing the tabletop 22 are arranged at intervals on the sidewalls of the groove 211. The groove 211 is sized to fit the tabletop 22, allowing the tabletop 22 to be easily placed into the groove 211 on the top surface of the middle frame unit 21. Multiple elastic baffles 212 are spaced apart on the sidewalls of the groove 211, especially at each corner. These elastic baffles 212 are used to initially position and fix the tabletop 22. When it is necessary to remove the tabletop 22, only a small amount of force needs to be applied to overcome the resistance of the elastic baffles 212, and the tabletop 22 can be easily removed.

[0046] like Figure 1 As shown, in this embodiment, a removable part 243 is provided on the outer side of the drawer unit 24 away from the rotating member 25 for convenient rotation and extraction of the drawer unit 24, and a handle 26 is provided on the top edge of the middle frame unit 21. The removable part 243 is a protrusion located on the outer side of the drawer unit 24, away from the rotating member 25 (i.e., near the front of the table), allowing the user to easily grasp it and apply force to rotate the drawer unit 24, unlocking and opening it from the locked state. The handle 26 on the top edge of the middle frame unit 21 facilitates easy lifting when the entire device needs to be moved.

[0047] Example 2

[0048] The difference between this embodiment and Embodiment 1 lies in the locking mechanism and the unlocking operation method. Specifically, as follows: Figure 5 As shown, the locking mechanism of this embodiment includes a T-shaped block 41 threadedly connected to the fixed edge 242. A through hole 42 is provided on the side wall of the placement cavity 23 to accommodate the T-shaped block 41 for rotational advancement. The T-shaped block 41 can rotate to form a cross-shaped structure with the through hole 42 for locking. The T-shaped block 41 is made of metal or other high-strength materials to ensure its durability. Its shape resembles the letter "T," with a rectangular head and a cylindrical rod. The tail end of the rod has a threaded portion, and a matching threaded hole is provided on the fixed edge 242 for threaded connection. A through hole 42, matching the head of the T-shaped block 41, is provided at a corresponding position on the side wall of the placement cavity 23. This through hole 42 is straight and allows the T-shaped block 41 to pass through when the drawer unit 24 is closed. When locking is required, simply rotate the T-shaped block 41 on the outer side wall of the middle frame unit 21 so that its head forms a cross-shaped structure with the edge of the through hole 42. This effectively prevents the T-block 41 from coming out of the perforation 42, thus achieving a stable locking effect. Other structures and effects in this embodiment are consistent with those in Embodiment 1, and will not be repeated here.

[0049] Example 3

[0050] The difference between this embodiment and Embodiments 1 and 2 lies in the locking mechanism and the unlocking operation method. Specifically, as follows: Figure 6 As shown, the locking mechanism in this embodiment is a spring-loaded self-locking mechanism. This mechanism includes a movable latching part 51 on the fixed side 242 and a fixed latching part 52 on the side wall of the placement cavity 23. The movable latching part 51 can lock the fixed latching part 52 by applying force through rotation, and can be unlocked from the fixed latching part 52 by applying further force. The movable latching part 51 in this embodiment includes a lock housing fixedly installed to the side wall of the middle frame unit 21. The lock housing has a lock groove and a push rod that can slide along the lock groove. One end of the push rod is connected to a spring, and the other end is connected to a female latch, forming a slot between the female latches. The fixed latching part 52 is a male latch, fixedly installed on the fixed side 242. When the drawer unit 24 is rotated and closed, the male latch gradually approaches the female latch. Upon contact, its front end inserts into the slot between the female latches and pushes the female latch inward. This pushes the slider along the track, overcoming the initial reaction force of the spring. At this time, the two sides of the female latch move closer to the two sides of the male latch until the female latch and the male latch engage, completing the locking state. When it is necessary to open the drawer unit 24, simply press the outer edge of the drawer unit 24. This action transmits force to the fixed engagement part 52 (i.e., the male latch) on the fixed edge 242. This pressure causes the male latch to generate a counterforce on the female latch, causing the female latch to overcome the spring force and retract further inward until the engagement between the two is released, thus allowing the drawer unit 24 to rotate and open. When the external force is removed, the female latch automatically resets under the action of the spring's restoring force, ready for the next locking. Other structures and effects of this embodiment are consistent with those of Embodiment 1, and will not be repeated here.

[0051] Example 4

[0052] The difference between this embodiment and Embodiment 1 lies in the support mechanism 6 and its operation method. Specifically, as follows: Figure 7 As shown, the support mechanism 6 in this embodiment includes two gas springs 62 disposed between the panel assembly 2 and the table frame 1. One end of each gas spring 62 is hinged to both sides of the panel assembly 2, and the other end is hinged to both sides of the table frame 1. One end of the gas spring 62 is fixed to the side of the panel assembly 2 by a hinge (such as a hinge or ball joint), and the other end is fixed to the side of the table frame 1 by a similar hinge. When it is necessary to flip the panel assembly 2, the elasticity of the gas springs 62 is used to support and open it, making it less likely to fall back and able to be stably fixed at the required angle.

[0053] In summary, the beneficial effects of this embodiment are as follows: This embodiment, through the design of the rotating drawer unit 24, effectively utilizes the space under the desktop and avoids the dependence on the forward and backward movement distance of traditional straight drawers, resulting in more rational use of the drawer's internal space and reducing the need for users to stand up or move their bodies to pull out the drawer. The curved design of the edge of the drawer unit 24 away from the rotating component 25 effectively reduces the risk of collision between the drawer and the middle frame unit 21 during rotation and opening. The locking mechanism design between the drawer unit 24 and the middle frame unit 21 (magnetic, T-block 41, and spring-loaded self-locking) ensures the stability of the drawer in the closed state and prevents accidental slippage. The adjustable angle design of the panel assembly 2 allows the puzzle table to adapt to different users' usage habits and puzzle needs.

[0054] The embodiments described above are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and modifications made by those skilled in the art based on this utility model shall fall within the scope of protection of this utility model.

Claims

1. A jigsaw puzzle table, comprising a table frame and a panel assembly disposed on the table frame, characterized in that, The panel assembly includes a middle frame unit and a tabletop installed inside the middle frame unit. The middle frame unit has a placement cavity and at least one drawer unit disposed inside the placement cavity. The drawer unit is rotatably connected to the middle frame unit via a rotating member, and can be rotated out or pushed in relative to the rotating member. The rotating member is disposed on one side of the drawer unit near the corner and is rotatably connected to the side of the middle frame unit.

2. A jigsaw puzzle table according to claim 1, characterized in that, The drawer unit is fan-shaped with an arc-shaped side away from the rotating component and a fixed side closer to the rotating component. A locking mechanism is provided between the fixed side and the placement cavity for locking the drawer unit when it is closed.

3. A jigsaw puzzle table according to claim 2, characterized in that, The locking mechanism includes a first magnetic attraction part fixed to the fixed side and a second magnetic attraction part fixed to the side wall of the placement cavity and in contact with the first magnetic attraction part. The first magnetic attraction part can be attracted to or separated from the second magnetic attraction part.

4. A jigsaw puzzle table according to claim 2, characterized in that, The locking mechanism includes a T-shaped block threadedly connected to the fixed side. The side wall of the placement cavity is provided with a through hole adapted to the T-shaped block for it to pass through during rotation and advancement. The T-shaped block can rotate to form a cross structure with the through hole for locking.

5. A jigsaw puzzle table according to claim 2, characterized in that, The locking mechanism is a spring-loaded self-locking mechanism, which includes a movable latching part on the fixed side and a fixed latching part on the side wall of the placement cavity. The movable latching part can lock the fixed latching part by rotating it, and can be unlocked from the fixed latching part by applying force again.

6. A jigsaw puzzle table according to claim 1, characterized in that, The panel assembly is hinged to the table frame on one side. A support mechanism for supporting and fixing the panel assembly at different angles is also provided between the panel assembly and the table frame. The support mechanism includes two hinge brackets located between the panel assembly and the table frame. One end of each hinge bracket is hinged to both sides of the panel assembly, and the other end is hinged to both sides of the table frame.

7. A jigsaw puzzle table according to claim 6, characterized in that, The support mechanism includes two gas springs disposed between the panel assembly and the table frame, with one end of each gas spring hinged to both sides of the panel assembly and the other end hinged to both sides of the table frame.

8. A jigsaw puzzle table according to claim 1, characterized in that, The tabletop is detachably installed on the top surface of the middle frame unit. The top surface of the middle frame unit is provided with a groove for accommodating the tabletop, and the sidewall of the groove is provided with a plurality of elastic baffles for fixing the tabletop at intervals.

9. A jigsaw puzzle table according to claim 1, characterized in that, The drawer unit has a retrieval part on the outer side away from the rotating part for easy rotation and pulling out of the drawer unit, and the middle frame unit also has a handle on the top edge.

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