Multifunctional luggage case with folding commodity shelf

Abstract

The utility model provides a multifunctional luggage case with a folding shelf, which comprises a case body, the case body is provided with a first accommodating cavity and a positioning mechanism, a moving component and a folding plate are arranged in the first accommodating cavity in a sliding manner, the moving component comprises a first moving plate, a limiting mechanism is arranged on the first moving plate, and the folding plate is arranged on the first moving plate. The folding plate is rotationally connected with the first moving plate, so that the computer desk is convenient to store, stable to unfold and suitable for computers of different sizes.

Description

Technical Field

[0001] This utility model relates to the field of luggage technology, specifically to a multifunctional luggage with a folding storage rack. Background Technology

[0002] When traveling, suitcases are often used. Some suitcases have folding panels that can hold a computer, which can meet the needs of working or studying while traveling. The suitcase can be transformed into a mobile desk by folding panels, which greatly improves the efficiency and convenience of travel. The design of folding panels needs to meet two requirements: first, the folding panels are easy to store; second, when unfolded, the folding panels can provide a stable platform so that items such as computers can be placed stably on the folding panels.

[0003] For example, patent application number 202420272972.5, published on August 6, 2024, discloses a suitcase with a telescopic support, including a suitcase body and an outer shell. A groove is provided on one side of the top of the suitcase body, and a mounting shell is fixedly connected to the inner wall of the groove. Folding rods are rotatably connected to both sides inside the mounting shell. One end of each of the two folding rods is hinged to a second folding rod, and one end of each second folding rod is rotatably connected to both sides inside the outer shell. Buckles are provided on both sides of the mounting shell, and clips are fixedly connected to both ends of the back of the outer shell. Grilles are fixedly connected to the inner walls of both folding rods. Stoppers are fixedly connected to both ends of one side of the inner wall of the mounting shell. This suitcase with a telescopic support structure can be used to place books and laptops, making studying and working while traveling more convenient. The support structure is also easy to store and has high structural strength.

[0004] The above-mentioned document describes a luggage compartment with an outer shell that is secured to the mounting shell via clips and latches. The shell can be pulled out to extend the hinged folding rods (first and second folding rods), allowing a computer to be placed on the stand. However, during long-term use, because the computer is placed directly on the telescopic folding rods, the first and second folding rods are prone to structural deformation, making them difficult to unfold or retract. Furthermore, the extension and retraction of the folding rods rely solely on pulling force to determine their deformation. Thus, when a computer is placed on the folding rods, they are prone to retracting into the compartment when subjected to significant external force. When the compartment is subjected to a large external force after retracting the folding rods, they are prone to popping out, resulting in an unstable unfolding and retracting structure. Summary of the Invention

[0005] This utility model provides a multifunctional suitcase with a folding shelf, which is convenient to store and has good structural stability when unfolded and folded.

[0006] To achieve the above objectives, the technical solution of this utility model is: a multifunctional suitcase with a folding shelf, comprising a suitcase body, wherein the suitcase body is provided with a first cavity and a positioning mechanism, a moving component and a folding plate are slidably disposed in the first cavity, the moving component includes a first moving plate, the positioning mechanism is used to lock the folding plate when it is stored in the first cavity, a limiting mechanism is provided on the first moving plate, the limiting mechanism is used to limit the first moving plate in the extension direction after the folding plate extends out of the first cavity, the folding plate is rotatably connected to the first moving plate, and the plane on which the folding plate is located after rotation is not in the same plane as the plane on which the first moving plate is located.

[0007] The above configuration includes a first cavity within the housing to accommodate the folding panel and the moving components. When the folding panel needs to be unfolded, it is pulled, causing it to move out of the first cavity under the action of the first moving plate. Then, the folding panel is rotated at a certain angle so that its horizontal plane is not in the same plane as the plane of the first moving plate. Then, the limiting mechanism and the positioning mechanism allow the first moving plate to retract into the first cavity under the action of a weight. The limiting mechanism and the positioning mechanism work together to provide support for the first moving plate, thereby ensuring that the folding panel unfolds stably. When folding, the folding panel is pushed, and the positioning mechanism on the housing locks the folding panel in the first cavity, thus preventing the folding panel from moving out of the first cavity under external force, resulting in good stability during unfolding and folding.

[0008] Furthermore, the bottom of the folding plate is provided with one or more support grooves, a support member is provided in the support groove, the support member is provided with a support protrusion, a rotating shaft is provided on one side of the support member, and rotating seats are provided on both sides of the rotating shaft, with the rotating seats rotatably connected to the rotating shaft.

[0009] The above configuration includes a support component at the bottom of the folding plate. When the folding plate is unfolded and in a horizontal state, the support component rotates along the rotating seat via a rotating shaft. When it rotates to a certain angle, the support protrusion will abut against the bottom of the folding plate, preventing the support component from rotating further. Then, the support component will abut against the upper surface of the box, thereby providing support for the folding plate.

[0010] Furthermore, the positioning mechanism includes a locking rod, a locking hook, a locking block, and a return spring, one end of which is connected to the bottom of the first cavity. The locking block is provided with a guide groove. The other end of the locking rod is connected to one end of the guide groove and slides within the guide groove. One end of the locking block is connected to one end of the return spring, and the other end of the return spring is fixed to the bottom of the first cavity.

[0011] With the above configuration, when the moving component needs to be stored in the first cavity, the baffle is pressed down, causing the moving component to move downwards. The moving component then causes the locking block to move downwards, allowing the locking rod to slide to the end of the guide groove. The return spring is stretched, thus confining the baffle within the first cavity. When the baffle needs to be pulled out, pressing down on the baffle causes the locking rod to slide within the guide groove. When not pressed down, the locking rod slides to the other end of the guide groove under the action of the return spring, thus popping out.

[0012] Furthermore, a groove is provided at the bottom of the first cavity, the locking block is slidably disposed in the groove, and the locking hook abuts against one side of the moving component.

[0013] The above configuration, by providing a sliding groove on the first cavity, can limit the sliding of the locking block on the sliding groove, making the sliding more reliable.

[0014] Furthermore, the first movable plate is provided with a first through hole, and a limiting mechanism is provided in the first through hole. The limiting mechanism includes a limiting pressing block and a first reset spring. The limiting pressing block is connected to one side of the first reset spring, and the other side of the first reset spring is connected to the inner wall of the first movable plate. The limiting pressing block is matched with the first through hole, and the position of the first movable plate corresponding to the first through hole abuts against the inner wall of the first cavity.

[0015] With the above configuration, when the first movable plate is inside the box, the position of the first movable plate corresponding to the first through hole is abutted against the inner wall of the first cavity. That is, at this time, the limiting pressing block is inside the first through hole. When the first movable plate unfolds and moves to the corresponding position, and the first through hole is higher than the position of the box, the limiting pressing block extends from inside the first through hole to outside the first through hole under the action of the return spring. The limiting pressing block abutting against the box and the positioning protrusion extending into the positioning hole together provide support for the extended folding plate, ensuring that the first movable plate will not shift under the action of external force.

[0016] When the folding plate needs to be retracted, press the limit button, and the first moving plate loses its support and moves back into the first cavity under the action of gravity.

[0017] Furthermore, the folding plate includes a plate body, a first groove is provided on one side along the length direction of the plate body, a first sliding panel is slidably disposed on the first groove, and second grooves are provided on both sides along the width direction of the plate body, with second sliding panels slidably disposed on the second grooves.

[0018] The above configuration includes a first groove and a second groove. When it is not necessary to unfold the first sliding panel and the second sliding panel, the first sliding panel can be accommodated in the first groove and the second sliding panel can be accommodated in the second groove, which increases the compactness of the structure.

[0019] Furthermore, the second groove is provided with one or more second through holes, and the second through holes are provided with second protrusions. The bottom of the second sliding panel is provided with a sliding part, which is connected to the assembly component.

[0020] With the above configuration, the second sliding panel slides along the second through hole, and can be moved to a suitable position according to actual needs. Similarly, the first groove is provided with a through hole, and then the first sliding panel can be moved to a suitable position along the through hole as needed.

[0021] Furthermore, the assembly assembly includes an assembly nut and an assembly screw. The assembly nut is provided with an abutment portion, and the sliding portion is provided with an assembly hole in the middle. The abutment portion abuts against the second boss portion, and the assembly screw passes through the assembly nut and then through the second groove to connect with the assembly hole.

[0022] The above configuration allows the assembly screw to pass through the assembly nut and then through the second groove to connect with the assembly hole, enabling the second sliding panel to slide within the second through hole without detaching from the plate. The first sliding panel is configured similarly.

[0023] Furthermore, a first limiting block is rotatably provided on the upper side of the first sliding panel.

[0024] With the above settings, when the computer is placed on the folding plate, the first limiting block can be rotated to move it away from the first sliding panel, thereby limiting the computer's movement.

[0025] Furthermore, one or more shelves are provided on one side of the box, and the shelves are provided with storage grooves.

[0026] The above features allow you to place handbags or other objects in the storage recesses, increasing the storage capacity of the case. Attached Figure Description

[0027] Figure 1 This is a perspective view of the present invention.

[0028] Figure 2 for Figure 1 Enlarged view of point D in the middle.

[0029] Figure 3 This is a schematic diagram showing the connection between the folding plate and the moving component in this utility model.

[0030] Figure 4 for Figure 3Enlarged view of section B in the middle.

[0031] Figure 5 for Figure 3 Enlarged view of point C.

[0032] Figure 6 for Figure 1 Enlarged view of point E in the middle.

[0033] Figure 7 This is a bottom view of the folding plate in this utility model.

[0034] Figure 8 for Figure 6 Enlarged view of point F in the middle.

[0035] Figure 9 This is a cross-sectional view of the plate body in this utility model.

[0036] Figure 10 for Figure 8 Enlarged view of point G in the middle.

[0037] Figure 11 This is a front view of the second sliding panel in this utility model.

[0038] Figure 12 This is a front view of the assembly components in this utility model.

[0039] Figure 13 This is a schematic diagram showing the connection between the support and the plate after rotation.

[0040] Figure 14 This is a structural diagram of one embodiment of the limiting component.

[0041] Figure 15 This is another structural schematic diagram of the present invention.

[0042] Figure 16 for Figure 14 Enlarged view of point A in the middle.

[0043] Reference numerals: 1-Box body; 2-Positioning mechanism; 201-Locking rod; 202-Locking hook; 203-Locking block; 204-Reset spring; 21-Positioning groove; 22-Positioning rotating block; 23-Positioning protrusion; 3-Moving assembly; 31-First moving plate; 311-Positioning hole; 312-First through hole; 32-Second moving plate; 41-Limiting pressing block; 5-Shelf; 51-Shelf groove; 6-Folding... Stacked plate; 61-Plate body; 611-Support member; 612-Rotating shaft; 613-Rotating seat; 614-Supporting protrusion; 62-Second groove; 621-Second through hole; 6211-Second boss; 63-First groove; 64-Second sliding panel; 641-Sliding part; 6411-Assembly hole; 65-First sliding panel; 651-First limiting block; 7-Assembly screw; 8-Assembly nut; 81-Abutting part. Detailed Implementation

[0044] Example 1.

[0045] like Figure 1-16 As shown, a multifunctional suitcase with a folding shelf includes a suitcase body 1. The suitcase body 1 is provided with a first cavity and a positioning mechanism 2. A moving component 3 and a folding plate 6 are slidably disposed in the first cavity. The moving component 3 includes a first moving plate 31, on which a limiting mechanism is provided. The folding plate 6 is rotatably connected to the first moving plate 31. The first cavity is provided in the suitcase body 1 to accommodate the folding plate 6 and the moving component 3. When it is necessary to unfold the folding plate 6, the folding plate 6 is pulled, causing the first moving plate 31 to move in the first cavity until the folding plate 6 moves out of the first cavity. Then, the folding plate 6 is rotated so that the horizontal plane of the folding plate 6 is perpendicular to the plane of the first moving plate 31. Then, the limiting mechanism and the positioning mechanism 2 work together to provide support for the first moving plate 31, thereby making the folding plate 6 unfold stably.

[0046] like Figure 3-5 As shown in Figure 7, the folding plate 6 also includes a first plate body 61, which is rotatably connected to the first moving plate 31 on both sides. The moving component 3 also includes a second moving plate 32. In this embodiment, the second moving plate 32 is provided with a second cavity. The first moving plate 31 is slidably connected to the second moving plate 32 through the second cavity. The first moving plate 31 and the second moving plate 32 constitute a telescopic rod structure. The first moving plate 31 and the second moving plate 32 can also be fixedly connected, as long as the sum of the lengths of the first moving plate 31 and the second moving plate 32 is less than the length of the first cavity. The first plate body 61 is rotatably connected to the first moving plate 31 on both sides, so that the folding plate 6 can be on the same horizontal or vertical plane as the first moving plate 31. The second moving plate 32 is provided on the housing 1 and has a second cavity. The extension and retraction of the first moving plate 31 are realized by the movement of the first moving plate 31 in the second cavity.

[0047] The first movable plate 31 is provided with a first through hole 312. A limiting mechanism is provided inside the first through hole 312. The limiting mechanism includes a limiting pressing block 41 and a return spring (not shown in the figure). The limiting pressing block 41 is connected to one side of the return spring (not shown in the figure), and the other side of the return spring (not shown in the figure) is connected to the inner wall of the first movable plate 31. The limiting pressing block 41 is matched with the first through hole 312. The position of the first movable plate 31 corresponding to the first through hole 312 abuts against the inner wall of the first cavity. When the first movable plate 31 is inside the housing 1, the position of the first movable plate 31 corresponding to the first through hole 312 is... The position of the perforation 312 abuts against the inner wall of the first cavity, that is, at this time the limiting pressing block 41 is inside the first through hole 312. When the first moving plate 31 unfolds and moves to the corresponding position, when the first through hole 312 is higher than the top surface of the box 1, the limiting pressing block 41 extends from inside the first through hole 312 to outside the first through hole 312 under the action of the return spring 1 (not shown in the figure). The limiting pressing block 41 abuts against the box 1 and the positioning protrusion 23 extends into the positioning hole 311 to provide support for the extended folding plate 6, ensuring that the first moving plate 31 will not move under the action of external force.

[0048] like Figure 14 As shown, the positioning mechanism 2 includes a locking rod 201 connected at one end to the bottom of the first cavity, a locking hook 202, a locking block 203, and a return spring 204. The locking block 203 has a guide groove 2031. The other end of the locking rod 201 is connected to one end of the guide groove 2031 and slides within it. One end of the locking block 203 is connected to one end of the return spring 204, and the other end of the return spring 204 is fixed to the bottom of the first cavity. The bottom of the first cavity has a sliding groove, within which the locking block 203 slides. The locking hook 202 abuts against one side of the moving component 3. Therefore, when the moving component 3 needs to be stored in the first cavity, the baffle 6 is pressed down, the baffle 6 drives the moving component 3 to move down, the moving component 3 drives the locking block 203 to move down, so that the locking rod slides in the guide groove 2031 to the end of the guide groove 2031, the return spring is stretched, so the baffle 6 is limited in the first cavity. When the baffle 6 needs to be pulled out, the baffle 6 is pressed down, so that the locking rod slides in the guide groove 2031. And when it is not pressed down, under the action of the return spring, the locking rod slides to the other end of the guide groove, thus popping out.

[0049] like Figure 6 and 8As shown, a first limiting block 651 is rotatably provided on the upper side of the first sliding panel 65. When the computer is placed on the folding plate 6, the first limiting block 651 can be rotated so that the end of the first limiting block 651 is set away from the first sliding panel 65. The computer is limited by the first sliding panel 65 blocking the side of the computer.

[0050] One or more shelves 5 are provided on one side of the box body 1. The shelves 5 are provided with storage grooves 51, which can be used to place handbags or other objects, thereby increasing the storage space of the box body 1.

[0051] like Figure 9-10 , Figure 13 As shown, the bottom of the folding plate 6 is provided with one or more support grooves, and a support member 611 is provided in the support groove. A support protrusion 614 is provided on the side of the support member 611 away from the rotation shaft 612. The height of the protrusion of the support protrusion 614 is matched with the height of the side wall of the support groove. A rotation shaft 612 is provided on one side of the support member 611, and a rotating seat 613 is provided on both sides of the rotation shaft 612. The rotating seat 613 is rotatably connected to the rotation shaft 612. When the folding plate 6 is unfolded and in a horizontal state, the support member 611 is rotated so that the plane on which the support member 611 is located is perpendicular to the bottom of the folding plate 6. The support member 611 rotates along the rotating seat 613 through the rotation shaft 612. When it rotates outward to a certain angle, the support protrusion 614 will abut against one side of the support groove at the bottom of the folding plate 6, so that the support member 611 can no longer rotate. Then the support member 611 abuts against the upper surface of the box 1, thereby providing support for the folding plate 6 through the support member 611.

[0052] like Figure 11-14 As shown, the folding plate 6 includes a plate body 61. A first groove 63 is provided on one side along the length direction of the plate body 61. A first sliding panel 65 is slidably disposed on the first groove 63. A second groove 62 is provided on both sides along the width direction of the plate body 61. A second sliding panel 64 is slidably disposed on the second groove 62. By providing the first groove 63 and the second groove 62, when it is not necessary to unfold the first sliding panel 65 and the second sliding panel 64, the first sliding panel 65 can be accommodated in the first groove 63 and the second sliding panel 64 can be accommodated in the second groove 62, which increases the compactness of the structure.

[0053] The second groove 62 is provided with one or more second through holes 621, and the second through hole 621 is provided with a second boss 6211. The bottom of the second sliding panel 64 is provided with a sliding part 641, which is connected to the assembly component. The second sliding panel 64 slides along the second through hole 621. According to actual needs, the second sliding panel 64 can be moved to a suitable position along the second through hole 621. Similarly, the first groove 63 is provided with a through hole. Then, as needed, the first sliding panel 65 can be moved to a suitable position along the through hole.

[0054] The assembly assembly includes an assembly nut 8 and an assembly screw 7. The assembly nut 8 is provided with an abutment portion 81, and the sliding portion 641 is provided with an assembly hole 6411 in the middle. The abutment portion 81 abuts against the second boss portion 6211. The assembly screw 7 passes through the assembly nut 8 and then through the second groove 62 to connect with the assembly hole 6411. By allowing the assembly screw 7 to pass through the assembly nut 8 and then through the second groove 62 to connect with the assembly hole 6411, the second sliding panel 64 can slide within the second through hole 621 without detaching from the plate body 61. The first sliding panel 65 is similarly configured.

[0055] The working principle of this utility model is as follows: A first cavity is provided inside the housing 1 to accommodate the folding plate 6 and the moving component 3. When the baffle 6 needs to be pulled out, pressing down on the baffle 6 causes the locking rod to slide in the guide groove 2031. When not pressed down, under the action of the return spring, the locking rod slides to the other end of the guide groove, thus popping out. Under the action of the return spring (not shown in the figure), the limiting pressing block 41 extends from inside the first through hole 312 to outside the first through hole 312. At this time, the limiting pressing block 41... 1. The folding plate 6 is then rotated so that its horizontal plane is perpendicular to the first moving plate 31. When the support member 611 is rotated, it rotates along the rotating seat 613 via the rotating shaft 612. When it rotates to a certain angle, the support protrusion 614 abuts against one side of the support groove at the bottom of the folding plate 6, preventing the support member 611 from rotating further. Then, the support member 611 abuts against the upper surface of the box 1, thereby providing support for the folding plate 6 and completing the unfolding of the folding plate 6.

[0056] When the folding plate 6 needs to be retracted, press the limit pressing block 41. The first moving plate 31 loses its support and moves back into the first cavity under the action of gravity. When the moving component 3 needs to be stored in the first cavity, press the baffle 6 down. The baffle 6 drives the moving component 3 to move down. The moving component 3 drives the locking block 203 to move down, so that the locking rod slides in the guide groove 2031 to the end of the guide groove 2031. The reset spring is stretched, so the baffle 6 is limited in the first cavity, thus completing the positioning of the folding plate 6 stored in the box 1.

[0057] Example 2.

[0058] like Figure 15-16 As shown, the only difference between this embodiment and Embodiment 1 is that the positioning mechanism is different, and the first moving plate 31 is movable within the second moving plate 32. The first and second moving plates form a telescopic rod structure. One end of the second moving plate 32 can be fixed inside the first cavity. One or more positioning mechanisms 2 are provided on the top of the housing 1 corresponding to the position of the first moving plate 31. The positioning mechanism 2 includes a positioning rotating block 22 rotatably mounted on the top of the housing 1, and a positioning protrusion 23 on the positioning rotating block 22. After rotation, the positioning rotating block 22 is laterally positioned on the upper opening of the first cavity, thereby achieving the function of blocking folds. The first movable plate 31 is provided with a positioning hole 311 for the extension of the folding plate 6. The positioning protrusion 23 is matched with the positioning hole 311. When the folding plate 6 needs to be unfolded, the positioning rotating block 22 is rotated first so that the positioning rotating block 22 is not located on the opening of the first cavity. At this time, the positioning rotating block 22 will not block the extension of the folding plate 6. Then the folding plate 6 is pulled out. When the first movable plate 31 reaches the predetermined position, the positioning rotating block 22 is rotated to insert the positioning protrusion 23 into the positioning hole 311, thereby preventing the first movable plate 31 from shifting under the influence of external force, thus completing the positioning of the first movable plate 31.

[0059] When the folding plate 6 has been retracted into the first cavity, the positioning rotating block 22 can be rotated away from the positioning groove 21, so that the positioning rotating block 22 rotates to the top of the first cavity. At this time, the positioning rotating block 22 can block the folding plate 6 from moving upward, thereby completing the positioning of the folding plate 6 that has been stored back in the box 1.

[0060] When it is necessary to retract the folding plate 6, rotate the folding plate 6 to the same horizontal plane as the first moving plate 31, then rotate the positioning rotating block 22 so that the positioning rotating block 22 is completely housed in the positioning groove 21, and then press the limit pressing block 41. The first moving plate 31 loses support and moves back into the first cavity under the action of gravity.

[0061] The working principle of this utility model is as follows: A first cavity is provided inside the housing 1 to accommodate the folding plate 6 and the moving component 3. When the folding plate 6 needs to be unfolded, the positioning rotating block 22 is rotated first, so that the positioning rotating block 22 is completely housed in the positioning groove 21. At this time, the positioning rotating block 22 will not block the extension of the folding plate 6. Then the folding plate 6 is pulled out. When the first moving plate 31 reaches the predetermined position, the positioning rotating block 22 is rotated to extend the positioning protrusion 23 into the positioning hole 311, thereby preventing the first moving plate 31 from shifting under the influence of external force, thus completing the positioning of the first moving plate 31. The limiting pressing block 41 is under the action of the return spring (not shown in the figure). The first through hole 312 extends from inside to outside. At this time, the limiting pressing block 41 abuts against the box body 1. Then, the folding plate 6 is rotated so that the horizontal plane of the folding plate 6 is perpendicular to the first moving plate 31. Then, when the support member 611 is rotated, the support member 611 rotates along the rotating seat 613 through the rotating shaft 612. When it rotates outward to a certain angle, the support protrusion 614 abuts against the side wall of the support groove at the bottom of the folding plate 6, so that the support member 611 can no longer rotate. Then, the support member 611 abuts against the upper surface of the box body 1, thereby providing support for the folding plate 6 through the support member 611, and completing the unfolding of the folding plate 6.

[0062] When it is necessary to retract the folding plate 6, rotate the support member 611 into the support groove, and then rotate the folding plate 6 so that the folding plate 6 and the first moving plate 31 are on the same horizontal plane. Then rotate the positioning rotating block 22 so that the positioning rotating block 22 is completely stored in the positioning groove 21. Then press the limit pressing block 41, and the first moving plate 31 loses support and moves back into the first cavity under the action of gravity. Then the positioning rotating block 22 can be rotated away from the positioning groove 21 so that the positioning rotating block 22 rotates to the top of the first cavity. At this time, the positioning rotating block 22 can prevent the folding plate 6 from moving upward, thereby completing the positioning of the folding plate 6 stored back in the box 1.

Claims

1. A multifunctional suitcase with a folding shelf, comprising a suitcase body, characterized in that: The housing is provided with a first cavity and a positioning mechanism. A moving component and a folding plate are slidably disposed in the first cavity. The moving component includes a first moving plate. The positioning mechanism is used to lock the folding plate when it is stored in the first cavity. A limiting mechanism is provided on the first moving plate. The limiting mechanism is used to limit the first moving plate in the extension direction after the folding plate extends out of the first cavity. The folding plate is rotatably connected to the first moving plate. After the folding plate is rotated, the plane on which it is located is not in the same plane as the plane on which the first moving plate is located.

2. A multifunctional suitcase with a folding shelf according to claim 1, characterized in that: The bottom of the folding plate is provided with one or more support grooves, and a support member is provided in the support groove. The support member is provided with a support protrusion. A rotating shaft is provided on one side of the support member, and rotating seats are provided on both sides of the rotating shaft. The rotating seats are rotatably connected to the rotating shaft.

3. A multifunctional suitcase with a folding shelf according to claim 1, characterized in that: The positioning mechanism includes a locking rod, a locking hook, a locking block, and a return spring, one end of which is connected to the bottom of the first cavity. The locking block is provided with a guide groove. The other end of the locking rod is connected to one end of the guide groove and slides within the guide groove. One end of the locking block is connected to one end of the return spring, and the other end of the return spring is fixed to the bottom of the first cavity.

4. A multifunctional suitcase with a folding shelf according to claim 3, characterized in that: The bottom of the first cavity is provided with a sliding groove, the locking block is slidably disposed in the sliding groove, and the locking hook abuts against one side of the moving component.

5. A multifunctional suitcase with a folding shelf according to claim 1, characterized in that: The first movable plate is provided with a first through hole, and a limiting mechanism is provided in the first through hole. The limiting mechanism includes a limiting pressing block and a first reset spring. The limiting pressing block is connected to one side of the first reset spring, and the other side of the first reset spring is connected to the inner wall of the first movable plate. The limiting pressing block is matched with the first through hole, and the position of the first movable plate corresponding to the first through hole abuts against the inner wall of the first cavity.

6. A multifunctional suitcase with a folding shelf according to claim 1, characterized in that: The folding plate includes a plate body, a first groove is provided on one side along the length direction of the plate body, a first sliding panel is slidably disposed on the first groove, and second grooves are provided on both sides along the width direction of the plate body, with second sliding panels slidably disposed on the second grooves.

7. A multifunctional suitcase with a folding shelf according to claim 6, characterized in that: The second groove is provided with one or more second through holes, and the second through holes are provided with second protrusions. The bottom of the second sliding panel is provided with a sliding part, and the sliding part is connected to the assembly component.

8. A multifunctional suitcase with a folding shelf according to claim 7, characterized in that: The assembly assembly includes an assembly nut and an assembly screw. The assembly nut has an abutment portion, and the sliding portion has an assembly hole in the middle. The abutment portion abuts against the second boss portion. The assembly screw passes through the assembly nut and then through the second groove to connect with the assembly hole.

9. A multifunctional suitcase with a folding shelf according to claim 6, characterized in that: A first limiting block is rotatably provided on the upper side of the first sliding panel.

10. A multifunctional suitcase with a folding shelf according to claim 1, characterized in that: One or more shelves are provided on one side of the box, and the shelves are provided with storage grooves.

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