A storage box

Abstract

The utility model belongs to the technical field of storage box, especially the storage box, including unit cabinet and top plate, unit cabinet includes bottom plate and two groups of support side frame, top plate is connected with two groups of support side frame respectively, and support side frame includes the upper plate and lower plate of rotation connection, the upper plate and lower plate are connected with top plate and bottom plate rotation respectively, and the relative rotation of control upper plate and lower plate can make top plate and bottom plate relative close, a plurality of articulated rods are provided on the upper plate, the first articulated groove that is adapted with articulated rod is provided on the top plate, the first articulated groove cross section is C and first articulated groove side is provided with first opening, under the action of external force, articulated rod can be installed to first articulated groove through first opening, and articulated rod is connected with first articulated groove rotation, the top plate still detachable setting has the press block, the press block can abut on the upper plate and limit articulated rod and separate from first articulated groove through first opening, the utility model discloses the purpose lies in providing a kind of structure stable storage box.

Description

Technical Field

[0001] This utility model belongs to the field of storage box technology, and specifically relates to a storage box. Background Technology

[0002] Storage boxes, also called shoe boxes or lockers, are boxes used to hold things. They can gather miscellaneous items together and make it convenient for users to store and organize their belongings.

[0003] To facilitate the transportation of storage boxes, many storage boxes on the market are now foldable, such as those described in Chinese Utility Model Patent Application No. CN. 202321744388.7 discloses a foldable storage cabinet, which includes at least one cabinet body with a storage space, and the front opening of the cabinet body connects to the storage space; the cabinet body includes multiple panels, each panel being an upper panel, a lower panel, a rear panel, and two side panel assemblies; the upper and lower panels are arranged vertically spaced, the two side panel assemblies are arranged horizontally spaced between the upper and lower panels, and the rear panel is located behind the upper and lower panels and between the two side panel assemblies to enclose the storage space; each of the two side panel assemblies includes an upper side panel and a lower side panel that are arranged vertically and hinged to each other, with the upper side panel hinged to the upper panel at the top and the lower side panel hinged to the lower panel at the bottom; the upper side panel is hinged to the rear side of the upper panel at the top, and the lower side panel is movably inserted into the rear side of the lower panel; the upper side of the side panel assembly is connected to the upper panel, the lower side of the side panel assembly is connected to the lower panel, and the rear panel is connected to the upper panel using... A detachable hinge assembly enables a detachable hinged connection. This detachable hinge assembly includes a first component and a second component that are hinged together. The first and second components are respectively disposed opposite each other on the edges of adjacent plates. The first component includes at least two rotating parts and at least one rotating post. The second component includes at least two rotating slots and at least one rotating hook slot. The rotating parts protrude vertically from the edge of the plate, while the rotating post is disposed between the two rotating parts. The rotating slots are vertically recessed from the edge of another plate, while the rotating hook slot is disposed between the two rotating slots. The rotating hook slot includes a horizontally positioned rotating hook and a rotating baffle disposed inside the rotating hook. A gap is formed between the rotating baffle and the rotating hook. The rotating parts are vertically inserted into the rotating slots and can rotate within them, while the rotating post is engaged into the rotating hook slot from the gap and is limited by the rotation of the rotating hook.

[0004] In the above structure, the upper or lower plate is rotatably connected to the side plate assembly by the cooperation of the rotating column and the rotating hook groove. However, during use, if the upper plate, lower plate or side plate assembly is subjected to force alone, the rotating column and the rotating hook groove are prone to accidentally disengaging, thereby affecting the normal use of the locker. Summary of the Invention

[0005] In order to overcome the defects in the prior art, the purpose of this utility model is to provide a storage box with a stable structure.

[0006] The purpose of this utility model is achieved as follows:

[0007] A storage box includes a unit cabinet and a top plate. The unit cabinet includes a bottom plate and two sets of supporting side frames. The top plate is connected to the two sets of supporting side frames and forms a receiving space between the top plate and the bottom plate. The supporting side frames include an upper plate and a lower plate that are rotatably connected. The upper plate and the lower plate are rotatably connected to the top plate and the bottom plate, respectively. Controlling the relative rotation of the upper plate and the lower plate can bring the top plate and the bottom plate closer together. The upper plate is provided with a plurality of hinge rods, and the top plate is provided with a first hinge groove adapted to the hinge rods. The first hinge groove has a C-shaped cross section and a first opening is provided on the side of the first hinge groove. Under the action of external force, the hinge rod can be installed into the first hinge groove through the first opening and rotatably connected to the first hinge groove.

[0008] A pressure block can also be detachably provided on the top plate. The pressure block can abut against the upper plate and restrict the hinge rod from disengaging from the first hinge groove through the first opening.

[0009] The present invention is further configured such that: a positioning groove adapted to the pressure block is provided on the top plate, and fasteners fix the pressure block relative to the top plate and make the pressure block cooperate with the positioning groove, thereby positioning and installing the pressure block with the top plate.

[0010] The present invention is further configured such that: the positioning groove has a trapezoidal cross section, the pressure block is adapted to the positioning groove, and an inclined abutment wall is provided on the side of the positioning groove; the fastener controls the pressure block to be fixed in the positioning groove so that the pressure block abuts against the abutment wall.

[0011] The present invention is further configured such that: a second hinge groove is provided between the top plate and the pressure block, and the hinge rod is rotatably connected to the second hinge groove.

[0012] The present invention is further configured such that: a second hinge groove is provided on the pressure block, the cross-section of the second hinge groove is C-shaped and a second opening is provided on the side of the second hinge groove; under the action of external force, the hinge rod can be installed into the second hinge groove through the second opening and the hinge rod is rotatably connected to the second hinge groove.

[0013] The present invention is further configured such that the first opening and the second opening are oriented in opposite directions, or that the first opening and the second opening are oriented at an angle.

[0014] The present invention is further configured such that: the second hinge groove includes at least one first hinge wall and two second hinge walls, the first hinge wall and the second hinge wall are arranged opposite to each other, the second opening is arranged between the first hinge wall and the second hinge wall, and the first hinge wall and the second hinge wall are arranged sequentially along the axial direction of the second hinge groove, and the first hinge wall is arranged between the two second hinge walls.

[0015] The present invention is further configured such that: the upper plate extends from the side of the lower plate to the bottom plate, and the upper plate and the bottom plate are respectively provided with a first snap-fit ​​part and a first snap-fit ​​groove; the upper plate and the lower plate are controlled to unfold relative to each other, the upper plate can abut against the bottom plate, the first snap-fit ​​part and the first snap-fit ​​groove can fix the upper plate and the bottom plate relative to each other, and keep the upper plate and the lower plate in the unfolded state.

[0016] The present invention is further configured such that: the unit cabinet also includes a back panel, which is rotatably connected to the top panel, and the back panel and the bottom panel are respectively provided with a first snap-fit ​​part and a first snap-fit ​​groove; the upper panel and the lower panel are controlled to unfold relative to each other, the back panel can abut against the bottom panel and support the top panel, and the first snap-fit ​​part and the first snap-fit ​​groove can fix the back panel and the bottom panel relative to each other.

[0017] The present invention is further configured such that: a support column is detachably provided on the unit cabinet, the support column is detachably connected to the top plate and the bottom plate respectively, and a slot is provided on the side of the support column, the side of the top plate and / or the bottom plate can be inserted into the slot to prevent the top plate and the bottom plate from rotating relative to each other.

[0018] The present invention is further configured such that: an elastic hook is provided on the side wall of the slot, the elastic hook can hook onto the support side frame and prevent the support side frame from detaching from the slot, and a control part is provided on the elastic hook, the control part can control the deformation of the elastic hook and detach it from the support side frame.

[0019] The advantages of this utility model compared to the prior art are:

[0020] 1. In the assembly and production process of the storage box in this utility model, the top plate and the upper plate can be rotated and connected by controlling the hinge rod and the C-shaped first hinge groove through external force. During the assembly process, it is not easy for the hinge rod and the first hinge groove to have excessive friction or loose connection due to installation errors. This makes it easy for the manufacturer to quickly connect the top plate and the upper plate, which is convenient for the assembly and production of the storage box. The setting of the pressure block can prevent the hinge rod from accidentally separating from the first hinge groove during use, which helps to improve the stability of the storage box structure.

[0021] 2. The positioning groove in this utility model facilitates the positioning and installation of the pressure block and the top plate, making the assembly and production of the storage box easier. This structure also reduces installation errors between the pressure block and the top plate, minimizing friction between the hinge rod and the first hinge groove caused by installation errors, thus facilitating the unfolding and folding of the storage box. Because the positioning groove has a trapezoidal cross-section, this structure promotes a tight connection between the positioning block and the positioning groove, and facilitates the quick disassembly and installation of the pressure block and the top plate.

[0022] 3. The second hinge groove in this utility model helps to improve the connection strength between the top plate and the upper plate, preventing damage to the hinge rod and the first hinge groove due to stress on the storage box, and thus extending the service life of the storage box. The second opening facilitates the quick installation of the second hinge groove and the hinge rod. The manufacturer can first control the connection between the upper plate and the top plate, then connect the pressure block to the hinge rod, and finally control the pressure block to be relatively fixed to the top plate. There is no need to pre-install the pressure block and the hinge rod, which facilitates the assembly and production of the storage box. The first and second openings, which are oriented in opposite directions or tilted, can prevent the hinge rod from accidentally detaching from the first and second openings, which is conducive to the stable installation of the top plate.

[0023] 4. In this invention, because the upper plate extends towards and connects to the bottom plate, this structure helps reduce the stress at the connection point between the upper and lower plates, preventing damage to this connection point. It also facilitates stable support of the side frame to the bottom or top plate, improving the structural strength of the storage box and extending its lifespan. The back plate not only enhances the structural strength of the storage box but also prevents accidental folding of the side frame during use, ensuring stable unfolding of the storage box and making it convenient for users.

[0024] 5. The support columns in this invention not only assist in supporting the top plate and prevent damage to the side support frame due to excessive force during use, but also prevent accidental folding of the side support frame due to horizontal force, thus facilitating the stable unfolding of the storage box and making it convenient for users. The elastic hooks facilitate the disassembly and installation of the support columns and side support frame, making the assembly and production of the storage box easier. Attached Figure Description

[0025] Figure 1 This is a structural schematic diagram of the utility model in use;

[0026] Figure 2 This is a schematic diagram of the structure of this utility model in its folded state;

[0027] Figure 3 This is an exploded view of the present invention;

[0028] Figure 4 This is a cross-sectional view of the present invention;

[0029] Figure 5 This is a schematic diagram of the structure of the base plate in this utility model;

[0030] Figure 6 This is a schematic diagram of the supporting side frame in this utility model;

[0031] Figure 7 This is an exploded view of the supporting side frame in this utility model;

[0032] Figure 8This is a schematic diagram of the top plate structure in this utility model;

[0033] Figure 9 This is a schematic diagram of the support column in this utility model;

[0034] Figure 10 This is a schematic diagram of the back plate structure in this utility model;

[0035] Figure 11 This is one of the structural schematic diagrams of the pressure block in this utility model;

[0036] Figure 12 This is the second structural schematic diagram of the pressure block in this utility model.

[0037] The labels in the diagram mean: 1-Unit cabinet; 11-Base plate; 12-Support side frame; 111-Fourth hinge slot;

[0038] 112-First card slot; 113-First card receiving part; 114-Second card slot; 115-Second card receiving part;

[0039] 121-Upper plate; 122-Lower plate; 123-Hinge rod; 124-Plug-in part; 125-Third slot;

[0040] 126-Limiting hook; 127-Limiting hook groove; 128-Step section; 1221-Fourth rotating shaft; 2-Top plate; 21-First hinge groove; 22-Positioning groove; 23-Third hinge groove; 211-First opening; 221-Firming wall; 3-Support column; 31-Slot; 32-Third locking section; 33-Elastic hook; 34-Control section; 4-Back plate; 41-Third rotating shaft; 5-Pressure block; 51-Second hinge groove; 52-Second opening. Detailed Implementation

[0041] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0042] See Figures 1 to 12As shown, a storage box includes a unit cabinet 1 and a top plate 2. The unit cabinet 1 includes a bottom plate 11 and two sets of supporting side frames 12. The top plate 2 is connected to the two sets of supporting side frames 12 respectively, forming an accommodating space between the top plate 2 and the bottom plate 11. The supporting side frames 12 include an upper plate 121 and a lower plate 122 rotatably connected to each other. The upper plate 121 and the lower plate 122 are rotatably connected to the top plate 2 and the bottom plate 11 respectively. Controlling the relative rotation of the upper plate 121 and the lower plate 122 can bring the top plate 2 and the bottom plate 11 closer together. The upper plate 121 is provided with a plurality of hinge rods 123, and the top plate 2 is provided with a first hinge groove 21 adapted to the hinge rods 123. The first hinge groove 21 has a C-shaped cross section and a first opening 211 is provided on the side of the first hinge groove 21. Under the action of external force, the hinge rods 123 can be installed through the first opening 211. The first hinge slot 21 is used to rotatably connect the hinge rod 123 to the first hinge slot 21. A pressure block 5 can also be detachably provided on the top plate 2. The pressure block 5 can abut against the upper plate 121 and restrict the hinge rod 123 from detaching from the first hinge slot 21 through the first opening 211. In this structure, during the assembly and production of the storage box, the hinge rod 123 can be controlled by external force to rotatably connect the top plate 2 and the upper plate 121 through the C-shaped first hinge slot 21. During the assembly process, it is not easy for the hinge rod 123 to have large friction or loose connection with the first hinge slot 21 due to installation errors. This makes it easy for the manufacturer to quickly connect the top plate 2 and the upper plate 121, which is convenient for the assembly and production of the storage box. The setting of the pressure block 5 can prevent the hinge rod 123 from accidentally detaching from the first hinge slot 21 during use, which is beneficial to improving the stability of the storage box structure.

[0043] In this utility model, the pressure block 5 can abut against the upper plate 121 and restrict the movement of the upper plate 121 along the direction of the first opening 211. However, the pressure block 5 does not restrict the relative rotation between the upper plate 121 and the top plate 2. Therefore, it is preferable that the upper plate 121 is provided with a hinge rod 123 corresponding to the pressure block 5, and the pressure block 5 can abut against the side wall of the hinge rod 123.

[0044] In this invention, the top plate 2 is provided with a positioning groove 22 that matches the pressure block 5. Fasteners fix the pressure block 5 relative to the upper plate 121 and make the pressure block 5 cooperate with the positioning groove 22, thereby positioning and installing the pressure block 5 and the top plate 2. The positioning groove 22 facilitates the positioning and installation of the pressure block 5 and the top plate 2, making it convenient for the assembly and production of the storage box. Moreover, this structure can reduce the installation error between the pressure block 5 and the top plate 2, which helps to reduce the friction between the hinge rod 123 and the first hinge groove 21 caused by the installation error, and facilitates the unfolding and folding of the storage box.

[0045] Preferably, the positioning groove 22 has a trapezoidal cross section, the pressure block 5 is adapted to the positioning groove 22, and the side of the positioning groove 22 is provided with an inclined abutment wall 221. The fastener controls the pressure block 5 to be fixed in the positioning groove 22 so that the pressure block 5 abuts against the abutment wall 221. Since the positioning groove 22 has a trapezoidal cross section, this structure is conducive to the tight connection between the positioning block and the positioning groove 22, and facilitates the quick disassembly and installation of the pressure block 5 and the top plate 2.

[0046] In this embodiment, the cross-section of the pressure block 5 increases with the distance from the bottom of the positioning groove 22, and the cross-section of the positioning groove 22 increases with the distance from the bottom of the positioning groove 22. (See attached instruction manual.) Figure 12 The middle view is a bottom view of the pressure block 5. The shorter side of the pressure block 5 is close to the bottom of the positioning groove 22. Those skilled in the art can understand this embodiment in conjunction with the specification and the accompanying drawings.

[0047] A second hinge groove 51 is provided between the top plate 2 and the pressure block 5. The hinge rod 123 is rotatably connected to the second hinge groove 51. The setting of the second hinge groove 51 helps to improve the connection strength between the top plate 2 and the upper plate 121, avoids damage to the hinge rod 123 and the first hinge groove 21 caused by the force on the storage box, and helps to extend the service life of the storage box.

[0048] The pressure block 5 described in this utility model is provided with a second hinge groove 51. The cross-section of the second hinge groove 51 is C-shaped and a second opening 52 is provided on the side of the second hinge groove 51. Under the action of external force, the hinge rod 123 can be installed into the second hinge groove 51 through the second opening 52 and the hinge rod 123 is rotatably connected to the second hinge groove 51. The setting of the second opening 52 facilitates the quick installation of the second hinge groove 51 and the hinge rod 123. The manufacturer can first control the upper plate 121 to connect with the top plate 2, and then connect the pressure block 5 to the hinge rod 123. Finally, control the pressure block 5 to be relatively fixed with the top plate 2. It is not necessary to pre-install the pressure block 5 and the hinge rod 123, which facilitates the assembly and production of the storage box.

[0049] Preferably, the first opening 211 and the second opening 52 face opposite directions, or the first opening 211 and the second opening 52 are angled. This orientation (either opposite or angled) prevents the hinge rod 123 from accidentally detaching from the first opening 211 and the second opening 52, thus facilitating the stable installation of the top plate 2. In this embodiment, both the first opening 211 and the second opening 52 are horizontal, and their orientations are opposite.

[0050] In this utility model, the upper plate 121 and the lower plate 122 are respectively provided with a limiting hook groove 127 and a limiting hook 126 to control the upper plate 121 and the lower plate 122 to unfold relative to each other. The limiting hook groove 127 can cooperate with the limiting hook 126 to fix the upper plate 121 and the lower plate 122 relative to each other.

[0051] The upper plate 121 extends from the side of the lower plate 122 toward the bottom plate 11, and the upper plate 121 and the bottom plate 11 are respectively provided with a first snap-fit ​​part 113 and a first snap-fit ​​groove 112. By controlling the upper plate 121 and the lower plate 122 to unfold relative to each other, the upper plate 121 can abut against the bottom plate 11. The first snap-fit ​​part 113 and the first snap-fit ​​groove 112 can fix the upper plate 121 and the bottom plate 11 relative to each other and keep the upper plate 121 and the lower plate 122 in the unfolded state. Since the upper plate 121 extends toward the bottom plate 11 and connects with the bottom plate 11, this structure helps to reduce the force on the connection position of the upper plate 121 and the lower plate 122, avoid damage to the connection position of the upper plate 121 and the lower plate 122, help to support the side frame 12 to provide stable support for the bottom plate 11 or the top plate 2, improve the structural strength of the storage box, and help to extend the service life of the storage box.

[0052] In this embodiment, the base plate 11 is provided with a fourth hinge groove 111, and the lower plate 122 is provided with a fourth rotating shaft 1221 adapted to the fourth hinge groove 111. Both the upper plate 121 and the base plate 11 are provided with a first snap-fit ​​part 113 and a first snap-fit ​​groove 112. When the storage box is unfolded, the first snap-fit ​​part 113 and the first snap-fit ​​groove 112 on the upper plate 121 and the base plate 11 are detachably connected. Under external force, the first snap-fit ​​part 113 and the first snap-fit ​​groove 112 can disengage from each other, thereby allowing the upper plate 121 to detach from the base plate 11.

[0053] The unit cabinet 1 described in this utility model also includes a back plate 4, which is rotatably connected to the top plate 2. The back plate 4 and the bottom plate 11 are respectively provided with a second snap-fit ​​part 115 and a second snap-fit ​​groove 114. The upper plate 121 and the lower plate 122 are controlled to unfold relative to each other. The back plate 4 can abut against the bottom plate 11 and support the top plate 2. The second snap-fit ​​part 115 and the second snap-fit ​​groove 114 can fix the back plate 4 and the bottom plate 11 relative to each other. The back plate 4 not only helps to improve the structural strength of the storage box, but also prevents the support side frame 12 from accidentally folding during use, which is conducive to the stable unfolding of the storage box and makes it convenient for users to use the storage box.

[0054] In this embodiment, the top plate 2 is provided with a third hinge groove 23, and the back plate 4 is provided with a third rotating shaft 41 adapted to the third hinge groove 23. Both the back plate 4 and the bottom plate 11 are provided with a second snap-fit ​​part 115 and a second snap-fit ​​groove 114. When the storage box is unfolded, the second snap-fit ​​part 115 and the second snap-fit ​​groove 114 on the back plate 4 and the bottom plate 11 are detachably connected. Under external force, the second snap-fit ​​part 115 and the second snap-fit ​​groove 114 can disengage from each other, thereby allowing the back plate 4 to detach from the bottom plate 11.

[0055] The unit cabinet 1 is detachably equipped with a support column 3, which is detachably connected to the top plate 2 and the bottom plate 11 respectively. The support column 3 has a slot 31 on its side, and the side of the upper plate 121 and / or the lower plate 122 can be inserted into the slot 31 to prevent the upper plate 121 and the bottom plate 11 from rotating relative to each other. The support column 3 can not only help support the top plate 2 and prevent the support side frame 12 from being damaged due to excessive force during the use of the storage box, but also prevent the support side frame 12 from being accidentally folded due to horizontal force during use. This is conducive to the stable unfolding of the storage box and makes it convenient for users to use the storage box.

[0056] The slot 31 described in this utility model is provided with an elastic hook 33 on its side wall. The elastic hook 33 can hook onto the support side frame 12 and prevent the support side frame 12 from detaching from the slot 31. The elastic hook 33 is provided with a control part 34, which can control the deformation of the elastic hook 33 and detach it from the support side frame 12. The setting of the elastic hook 33 facilitates the disassembly and installation of the support column 3 and the support side frame 12, and facilitates the assembly and production of the storage box.

[0057] In this embodiment, the elastic hook 33 is disposed on one side of the slot 31 and located in the receiving space. A third latching part 32 is disposed on the other side of the slot 31. A plug-in part 124 is disposed on the side of the support side frame 12. A third slot 125 adapted to the third latching part 32 is disposed on one side of the plug-in part 124, and a step part 128 is disposed on the other side of the plug-in part 124. The elastic hook 33 and the step part 128 cooperate to fix the plug-in part 124 and the slot 31 relatively.

[0058] The attached drawings of this utility model specification Figure 1-3 The storage box includes two unit cabinets 1, which are stacked vertically. The bottom plate 11 in the upper unit cabinet 1 is equivalent to the top plate 2 in the lower unit cabinet 1. Those skilled in the art can understand this embodiment based on their own knowledge and in conjunction with the specification and accompanying drawings, and can stack more than two unit cabinets 1 accordingly.

[0059] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A storage box, comprising a unit cabinet (1) and a top plate (2), wherein the unit cabinet (1) comprises a bottom plate (11) and two sets of supporting side frames (12), and the top plate (2) is connected to the two sets of supporting side frames (12) respectively, forming a receiving space between the top plate (2) and the bottom plate (11), characterized in that: The supporting side frame (12) includes an upper plate (121) and a lower plate (122) that are rotatably connected. The upper plate (121) and the lower plate (122) are rotatably connected to the top plate (2) and the bottom plate (11) respectively. Controlling the relative rotation of the upper plate (121) and the lower plate (122) can make the top plate (2) and the bottom plate (11) move closer to each other. The upper plate (121) is provided with a plurality of hinge rods (123). The top plate (2) is provided with a first hinge groove (21) that is adapted to the hinge rods (123). The first hinge groove (21) has a C-shaped cross section and a first opening (211) is provided on the side of the first hinge groove (21). Under the action of external force, the hinge rod (123) can be installed into the first hinge groove (21) through the first opening (211) and the hinge rod (123) is rotatably connected to the first hinge groove (21); A pressure block (5) can also be detachably installed on the top plate (2). The pressure block (5) can abut against the upper plate (121) and restrict the hinge rod (123) from disengaging from the first hinge groove (21) through the first opening (211).

2. The storage box according to claim 1, characterized in that: The top plate (2) is provided with a positioning groove (22) that is compatible with the pressure block (5). Fasteners fix the pressure block (5) relative to the upper plate (121) and make the pressure block (5) cooperate with the positioning groove (22), so that the pressure block (5) and the top plate (2) are positioned and installed.

3. A storage box according to claim 2, characterized in that: The positioning groove (22) has a trapezoidal cross section. The pressure block (5) is adapted to the positioning groove (22). An inclined abutment wall (221) is provided on the side of the positioning groove (22). The fastener controls the pressure block (5) to be fixed in the positioning groove (22) so that the pressure block (5) abuts against the abutment wall (221).

4. A storage box according to claim 1, 2, or 3, characterized in that: A second hinge groove (51) is provided between the top plate (2) and the pressure block (5), and the hinge rod (123) is rotatably connected to the second hinge groove (51).

5. A storage box according to claim 4, characterized in that: The pressure block (5) is provided with a second hinge groove (51), the cross section of the second hinge groove (51) is C-shaped and the side of the second hinge groove (51) is provided with a second opening (52); under the action of external force, the hinge rod (123) can be installed into the second hinge groove (51) through the second opening (52) and the hinge rod (123) is rotatably connected to the second hinge groove (51).

6. A storage box according to claim 5, characterized in that: The first opening (211) and the second opening (52) are oriented oppositely, or the first opening (211) and the second opening (52) are oriented at an angle.

7. A storage box according to claim 1, 2, 3, 5, or 6, characterized in that: The upper plate (121) extends from the side of the lower plate (122) toward the bottom plate (11), and the upper plate (121) and the bottom plate (11) are respectively provided with a first snap-fit ​​part (113) and a first snap-fit ​​groove (112); the upper plate (121) and the lower plate (122) are controlled to unfold relative to each other, the upper plate (121) can abut against the bottom plate (11), the first snap-fit ​​part (113) and the first snap-fit ​​groove (112) can fix the upper plate (121) and the bottom plate (11) relative to each other, and keep the upper plate (121) and the lower plate (122) in the unfolded state.

8. A storage box according to claim 7, characterized in that: The unit cabinet (1) also includes a back panel (4), which is rotatably connected to the top panel (2). The back panel (4) and the bottom panel (11) are respectively provided with a second snap-fit ​​part (115) and a second slot (114). The upper panel (121) and the lower panel (122) are controlled to unfold relative to each other. The back panel (4) can abut against the bottom panel (11) and support the top panel (2). The second snap-fit ​​part (115) and the second slot (114) can fix the back panel (4) and the bottom panel (11) relative to each other.

9. A storage box according to claim 1, 2, 3, 5, 6, or 8, characterized in that: The unit cabinet (1) is detachably provided with a support column (3), which is detachably connected to the top plate (2) and the bottom plate (11) respectively. The support column (3) is provided with a slot (31) on its side, and the side of the upper plate (121) and / or the lower plate (122) can be inserted into the slot (31) to prevent the upper plate (121) and the bottom plate (11) from rotating relative to each other.

10. A storage box according to claim 9, characterized in that: The slot (31) is provided with an elastic hook (33) on its side wall. The elastic hook (33) can hook onto the support side frame (12) and prevent the support side frame (12) from detaching from the slot (31). The elastic hook (33) is provided with a control part (34) which can control the deformation of the elastic hook (33) and detach it from the support side frame (12).

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