Patent Description:
Storage boxes are inseparable for every family in life, the storage box can be used to store clothes, tools, daily necessities, etc., and the storage box can make the living environment more clean and tidy, especially when moving or traveling, which is convenient to put things.

Storage boxes are classified into wooden storage boxes, metal storage boxes and plastic storage boxes according to materials. The side plates of the wooden storage box are usually connected by a mortise and tenon structure, which does not have a function of quick disassembly and assembly, and the wooden storage box is heavy and has a high cost. Metal storage boxes are cumbersome, costly to produce, mostly used as safes, and are not suitable for storage of daily necessities. Most of the plastic storage boxes are integrally formed by plastic injection molding, the weight is light, and have low manufacturing cost, so plastic storage boxes are more widely used in life.

Existing plastic storage boxes have the following technical problems: first, the plastic storage boxes cannot be disassembled, a larger amount of space is taken up during both transportation and storage, which is not conducive to reducing transportation costs, and are easily crushed during transportation; Second, a load-bearing weight of a box cover is distributed to each side plate of a box body, and an upper edge of a front side plate of the box body has a large width and is suspended as an entirety, when bearing a larger weight, the front side plate of the box body is easily deformed and arches outwards, so the storage box has a poor load-bearing capacity; Third, when the storage box is used outdoors, rainwater can easily penetrate into the box body from a gap between the side plates of the box body, causing items to get wet, therefore, the waterproof performance of the storage box is not good; Fourth, after the box cover is opened, the box cover hangs down on a back of the box body, and a turning angle of the box cover is very large, an operation is inconvenient, in particular, the box cover cannot be opened at an any opening angle according to user requirements, and lacks personalized functionality.

With regard to the prior art attention is drawn to <CIT> from which an assembly box structure is known, which includes two first side boards and two second side boards. Symmetric protruding portions are outwardly extended from two short sides of the first side boards. Symmetric recession portions are inwardly caved at two sides of a longer edge of the second side board. The protruding portion of one side of the first side board is embedded with the recession portion of the second side board through the two first side boards interlaced and assembled to the two second side boards, thereby rapidly assembling the hollow box body. Side bottom boards are extended from the bottoms of the first and second side boards. A plurality of through holes is arranged according to the proper distance spaced at interval. A plurality of expansion cylinders is at the periphery of the bottom of a bottom board, and corresponds to the through holes of each side bottom board.

The present disclosure provides an assemblable storage box that is easy to disassemble and assemble, which solves the first technical problem mentioned in the background. The technical solution of the present disclosure to solve the first technical problem is as follows:
An assemblable storage box which comprises a box body comprising a top surface with an opening and a box cover configured to cover the opening of the box body, the box body comprises a bottom plate and four side plates comprising a front side plate, a rear side plate, a left side plate, and a right side plate, two adjacent side plates are detachably clamped together, bottom portions of the four side plates comprising the front side plate, the rear side plate, the left side plate, and the right side plate are disposed with support countertops, four sides of the bottom plate horizontally extend outward to define positioning edges respectively, the positioning edges of the four sides of the bottom plate respectively abut upper sides of the support countertops of the four side plates comprising the front side plate, the rear side plate, the left side plate, and the right side plate, positioning fasteners are further provided, and the positioning fasteners are fastened to the support countertops to enable the positioning edges to be positioned, wherein the four edges of the bottom plate are all folded upward to define block edges, and upper edges of the block edges horizontally extend outward to define the positioning edges.

In a preferred embodiment, the two adjacent side plates are clamped together by a positioning column and a positioning hole, the positioning column and the positioning hole are respectively disposed on one of the two adjacent side plates, a free end of the positioning column comprises a cap, the positioning hole is gourd shaped, and the cap of the positioning column is configured to be disposed in and hung on a narrower end of the positioning hole from a wider end of the positioning hole.

In a preferred embodiment, the two side plates comprising the left side plate and the right side plate are clamped between the two side plates comprising the front side plate and the rear side plate, inner surfaces of the two side plates comprising the left side plate and the right side plate are disposed with the positioning columns, end faces of the two side plates comprising the front side plate and the rear side plate are disposed with the positioning holes, and the positioning holes comprises narrow tops and wide bottoms.

In a preferred embodiment, the side plates comprise rectangular frames and plates, four sides of the plates surround the frames, and upper surfaces of bottom edges of the frames define the support countertops of the side plates.

In a preferred embodiment, the bottom plate is a blister board, and the bottom plate is disposed with honeycomb grooves.

In a preferred embodiment, a rear side edge of the box cover and a top edge of the rear side plate are both disposed with a connecting base, the connecting base of the box cover and the connecting base of the box body are connected together by a shaft core to enable the box cover to be rotated to be opened and to be closed, and the shaft core is detachable.

In a preferred embodiment, one end of the shaft core is disposed with a cap, the other end of the shaft core is centrally symmetrically disposed with two elastic arms, opposite outer side walls of the two elastic arms are respectively disposed with positioning protrusions, and the cap and the positioning protrusions cooperate to clamp the connecting base of the box cover and the connecting base of the box body. When it is desired for the box cover to be rotatably connected to the box body, the positioning protrusions need only be radially pressed, the two elastic arms are brought close to each other, the other end of shaft core can pass through an axial hole of the connection base of box cover and an axial hole of the connection base of the box body, so that the two connecting bases are connected together, and it is convenient to use.

In a preferred embodiment, the positioning protrusions comprise front guide slopes and rear guide slopes. The guide slopes are provided to enable the positioning protrusions to be transmitted to the axial holes smoothly, and the shaft core is assembled and disassembled more smoothly and effortlessly.

In a preferred embodiment, a middle portion of an end surface of the other end of the shaft core is disposed with a V-shaped groove, and the V-shaped groove divides the other end of the shaft core into the two elastic arms.

In a preferred embodiment, the connecting base and the box cover are fastened together, and the connecting base and the box body are fastened together.

In a preferred embodiment, an outer edge of a top surface of the rear side plate is disposed with a step groove, and the connecting base of the box body is disposed in the step groove.

In a preferred embodiment, a rear side of the box cover is rotatably connected to the rear side plate, a U-shaped fastener with a downward opening is further provided, the U-shaped fastener is disposed below a middle portion of a front side of the box cover, and the U-shaped fastener is fastened to an upper edge of the front side plate when the box cover is closed.

In a preferred embodiment, an outer side of the upper edge of the front side plate comprises a step groove, a handle and a lock piece configured to be mated and connected to each other are further provided, the handle is rotatably connected to the U-shaped fastener, and the lock piece is disposed on an edge position of the step groove.

In a preferred embodiment, the box cover comprises a plastic panel and a plastic frame, four sides of the plastic panel is connected to the plastic frame, and the U-shaped fastener and the plastic frame are mated and connected to each other.

In a preferred embodiment, the front side plate comprises a rectangular frame and a plate, four sides of the plate surround the frame, the frame is disposed with a reinforcing rod, and the reinforcing rod is vertically disposed on a middle portion of the frame.

In a preferred embodiment, a splice gap is defined between the two adjacent side plates, the side plates comprise frames and plates connected together, the rectangular frames are disposed along edges of four sides of the plates, and in the two adjacent side plates disposed end-to-end: the frame of one side plate extends outward to define a side wing, and the side wing covers the splice gap between the two side plates from an outer side.

In a preferred embodiment, the plates are plastic blister boards, and the frames are hollow plastic members.

In a preferred embodiment, the four sides of the plates are bent inward to define folded edges, the folded edges surround the frames from the outer side, the frames are disposed with pressing edges, and the pressing edges press edges of the folded edges.

In a preferred embodiment, the two side plates comprising the left side plate and the right side plate are clamped by the two side plates comprising the front side plate and the rear side plate, and the frames of the front side plate and the rear side plate define the side wings.

In a preferred embodiment, a rear side of the box cover is rotatably connected to the rear side plate, a self-positioning structure is disposed between the box cover and the left side plate or the right side plate, the self-positioning structure comprises a support rod, a fixing base, and a friction block, the fixing base is disposed on the left side plate or the right side plate, the fixing base is disposed with a slide groove passing through an upper top surface and a lower bottom surface of the fixing base, the fixing base is further disposed with a receiving hole in communication with the slide groove, one end of the support rod is pivotally connected to a side wall of the box cover, the other end of the support rod passes through the slide groove and extends out of the fixing base in a downward direction, the support rod is configured to slide and swing relative to the slide groove, the friction block is disposed in the receiving hole and is in friction connection with the support rod, a frictional force between the friction block and the support rod positions the support rod, and the support rod is configured to be pulled to move by overcoming the frictional force.

In a preferred embodiment, an inner surface of the receiving hole comprises an internal thread, an elastic member and a screw bolt cooperating with the internal thread are further provided, and two ends of the elastic member abut the friction block and the screw bolt respectively.

In a preferred embodiment, an end of the other end of the support rod is disposed with a positioning hook configured to prevent the support rod from being separated from the slide groove.

In a preferred embodiment, the box cover is disposed with a hinge base, and the one end of the support rod is pivotally connected to the hinge base.

In a preferred embodiment, the hinge base is disposed with a positioning pin, the box cover comprises a plurality of positioning holes configured to cooperate with the positioning pin, and the positioning pin is configured to be clamped to one of the positioning holes.

In a preferred embodiment, after the box cover is closed, the support rod is disposed in the box body.

In a preferred embodiment, a rear side of the box cover is rotatably connected to the rear side plate, a flexible connection belt is further provided, the flexible connection belt is bendable, two ends of the flexible connection belt are respectively disposed with fasteners, a side edge of the box cover is disposed with a first lock hole at a position adjacent to a rotation axis between the box cover and the box body, a side plate of the box body disposed on the same side of the first lock hole is disposed with a second lock hole at a position adjacent to the rotation axis between the box cover and the box body, the fasteners of the two ends of the flexible connection belt are respectively disposed in the first lock hole and the second lock hole; after the box cover is opened, the flexible connection belt is straightened, and connection lines of three points projected on a plane by the first lock hole, the second lock hole, and the rotation axis define an obtuse triangle.

In a preferred embodiment, the flexible connection belt is a three-step structure, and comprises a body portion disposed on a middle portion and two connection portions disposed on two ends, the body portion and the connection portions are perpendicular to each other, the two fasteners are respectively disposed on the two connection portions, and the flexible connection belt is integrally formed by PE, HDPE, or PP.

In a preferred embodiment, the flexible connection belt is disposed in the storage box.

In a preferred embodiment, the box cover comprises a panel and a frame disposed along four sides of the panel, a periphery of the panel is connected to the frame, the first lock hole is disposed on the frame; the side plates comprise plates and frames disposed along four sides of the plates, peripheries of the plates are connected to the frames, and the second lock hole is disposed on the frame of one side plate.

Compared with the existing techniques, the technical solution has the following advantages.

The present disclosure will be further described below in combination with the accompanying drawings and embodiments.

Referring to <FIG>, an assemblable storage box of the present disclosure, comprises a box body <NUM> comprising a top surface with an opening and a box cover <NUM> configured to cover the opening of the box body <NUM>, after the box cover <NUM> is closed, the assemblable storage box has a rectangular hexahedron structure.

Referring to <FIG>, the box body <NUM> comprises a bottom plate <NUM> and four side plates <NUM> comprising a front side plate, a rear side plate, a left side plate, and a right side plate, two adjacent side plates <NUM> are detachably clamped together, and the bottom plate <NUM> closes a bottom surface of the box body <NUM>. Bottoms of the four side plates <NUM> comprising the front side plate, the rear side plate, the left side plate, and the right side plate are all disposed with support countertops <NUM>, four sides of the bottom plate <NUM> respectively extend horizontally outward to define a positioning edge <NUM>, and the positioning edges <NUM> of the four sides of the bottom plate <NUM> respectively abut upper sides of the support countertops <NUM> of the four side plates comprising the front side plate, the rear side plate, the left side plate, and the right side plate. A plurality of positioning fasteners <NUM> is further provided, and the positioning fasteners <NUM> are fastened to the side plates <NUM> to enable the positioning edges <NUM> to tightly press on the upper sides of the support countertops <NUM>. Since the four side plates <NUM> comprising the front side plate, the rear side plate, the left side plate, and the right side plate can be disassembled and assembled, a positioning of the bottom plate can be released after the positioning fasteners <NUM> are disassembled, therefore, assembly and disassembly are very convenient.

In concrete words, the two adjacent side plates <NUM> are clamped together by a positioning column <NUM> and a positioning hole <NUM>, and the positioning column <NUM> and the positioning hole <NUM> are respectively disposed on the two adjacent side plates <NUM>. The positioning column <NUM> is connected to a side plate <NUM> and a free end of the positioning column <NUM> comprises an enlarged cap. The positioning hole <NUM> is disposed on another side plate <NUM> and is a gourd-shape hole. The cap of the positioning column <NUM> can be inserted from a wider end of the positioning hole <NUM> and hung on a narrower end of the positioning hole <NUM>. The two side plates <NUM> comprising the left side plate and the right side plate are sandwiched between the two side plates <NUM> comprising the front side plate and the rear side plate, the positioning columns <NUM> are disposed on side surfaces of the two side plates <NUM> comprising the left side plate and the right side plate, the positioning holes <NUM> are disposed on edges of inner sides of the two side plates <NUM> comprising the front side plate and the rear side plate, and the positioning hole <NUM> comprise narrow tops and wide bottoms. When being clamped, the two side plates <NUM> comprising the front side plate and the rear side plate are configured to lower downward due to their own weight to enable the positioning columns <NUM> to hang on the positioning holes <NUM>. The bottom plate <NUM> is a blister board, and comprises honeycomb grooves. The four sides of the bottom plate <NUM> are all folded upward to define block edges <NUM>, and upper edges of the block edges <NUM> horizontally extend outward to define the positioning edges <NUM>. The side plates <NUM> comprise rectangular frames <NUM> and plates <NUM>, the frames <NUM> stand vertically, and four sides of the plates <NUM> surround the frames <NUM>. Upper surfaces of bottom edges of the frames <NUM> define the support countertops <NUM> of the side plates <NUM>. Preferably, the plates <NUM> are blister boards, the frames <NUM> are provided to provide strength to the side plates <NUM> while enabling the thicknesses of the plates <NUM> to be reduced, so as to not only save materials but also enable the box body <NUM> to be lighter, and the frames <NUM> can be hollow plastic members. The positioning fasteners <NUM> are also plastic members, the positioning edges <NUM> of the four sides of the bottom plate are disposed with fixing holes, and the support countertops <NUM> of the side plates <NUM> are disposed with mounting holes cooperating with the fixing holes. The plurality of positioning fasteners <NUM> are locked to the side plates <NUM> by the fixing holes and the mounting holes to enable the bottom plate <NUM> to press on the support countertops <NUM> of the side plates <NUM>.

The box cover <NUM> is rotatably connected to one of the side plates <NUM>. The box cover <NUM> can be a structure that comprises an upper board, a lower board, and a frame disposed between the upper board and the lower board, both the upper board and the lower board are blister boards, pressure resistance and deformation resistance of the box cover <NUM> can be stronger due to the two-layer board structure, so that when the storage box is assembled and used, an upper side of the box cover <NUM> can be stacked with items, or function as a seat.

Referring to <FIG> and <FIG>, the box cover <NUM> is rotatably connected to the box body <NUM>. A rear side edge of the box cover <NUM> is disposed with a connecting base, and a top edge of the rear side plate <NUM> of the box body <NUM> is also disposed with a connecting base. The connecting bases of the two are both disposed with axial through holes that are coupled and aligned with each other. A shaft core <NUM> is further provided, the shaft core <NUM> enables the connecting bases of the box cover and the box body <NUM> to be connected together. The shaft core <NUM> can be assembled and disassembled freely.

One end of the shaft core <NUM> is disposed with a cap <NUM>, and the other end is centrally symmetrically disposed with two elastic arms <NUM> along the end surface. Opposite outer side walls of the two elastic arms <NUM> are respectively disposed with positioning protrusions <NUM>. The shaft core <NUM> passes through the axial through hole of the box cover and the axial through hole of the connecting base of the box body, and enables the connecting base of the box cover to be connected to the connecting base of the box body. The cap <NUM> cooperates with the positioning protrusions <NUM> to clamp the connecting base of the box cover and the connecting base of the box body. In this way, the two connecting bases can rotate freely about the shaft core <NUM> functioning as a rotation axis. The shaft core <NUM> is a plastic part integrally formed, and the positioning protrusions <NUM> have front guide slopes <NUM> and rear guide slopes <NUM>. A V-shaped groove <NUM> is disposed on a middle portion of the end surface of the other end of the shaft core <NUM>, and the V-shaped groove <NUM> divides the other end of the shaft core into the two elastic arms <NUM>. That is, the two elastic arms <NUM> and the shaft core are an integral structure, and the V-shaped groove <NUM> enables the other end of the shaft core <NUM> to be more resistant to extrusion and to be difficult to break when the other end of the shaft core <NUM> is disposed in and separated from the axial through holes of the connecting bases. Two connecting bases are respectively fastened to the box cover <NUM> and the rear side plate <NUM> of the box body. The connecting base of the box cover <NUM> is disposed on an edge of a rear side of a bottom surface of the box cover <NUM>. The connecting base of the box body <NUM> is disposed on a top portion of the rear side plate <NUM> of the box body. Preferably, an outer edge of a top surface of the rear side plate <NUM> is disposed with a step groove <NUM> (referring to <FIG>), and the connecting base is disposed in the step groove <NUM>. The step groove <NUM> is disposed to give space to the connecting base, so that the bottom surface of the box cover <NUM> can coincide with the top surface of a box body <NUM> when the box body <NUM> and the box cover <NUM> are in a closed state.

Referring to <FIG> and <FIG>, a U-shaped fastener <NUM> with an opening facing downward is further provided. The U-shaped fastener <NUM> is disposed below a middle portion of a front side of the box cover <NUM>, and when the box cover <NUM> is closed, the U-shaped fastener <NUM> is fastened to an upper edge of the front side plate <NUM> of the box body <NUM>. The U-shaped fastener <NUM> is configured to position to an upper edge of the front side plate <NUM> of the box body <NUM>, so that an anti-bending strength of the front side plate <NUM> is improved. An outer side of the upper edge of the front side plate <NUM> of the box body <NUM> is disposed with a step groove <NUM>, and is further disposed with a handle <NUM> and a lock piece <NUM> configured to be mated and connected with each other. The handle <NUM> is rotatably connected to the U-shaped fastener <NUM>, and the lock piece <NUM> is disposed on an edge position of the step groove <NUM>. After the box cover <NUM> is closed, the handle <NUM> can be hung on and be connected to the lock piece <NUM>.

In this embodiment, the box cover <NUM> comprises a plastic panel and a plastic frame, and four sides of the plastic panel are connected to the plastic frame. The U-shaped fastener <NUM> and the plastic frame are mated and connected together. The plastic frame is disposed with a reinforcing rod <NUM> (referring to <FIG>), the reinforcing rod <NUM> divides the plastic frame into two halves comprising a left half and a right half, so that a strength of the box cover <NUM> is increased. Preferably, the frame <NUM> of the front side plate <NUM> of the box body <NUM> is disposed with a reinforcing rod, and the reinforcing rod is vertically disposed on a middle portion of the frame, so that an anti-bending strength of the front side plate is increased.

Referring to <FIG> and <FIG>, a splice gap <NUM> is defined between the two adjacent side plates <NUM>. As mentioned above, the side plates <NUM> comprise plates <NUM> and frames <NUM> connected together, the frames <NUM> are disposed along the edges of the four sides of the plates <NUM>, in the two adjacent side plates <NUM> disposed end to end, the frame <NUM> of one side plate <NUM> extends outward to define a side wing <NUM>, the side wing <NUM> is a long strip structure vertically disposed, and the side wing <NUM> covers the splice gap <NUM> between the two side plates <NUM> from an outer side. Four sides of the plates <NUM> bend inward to define folded edges <NUM>, the folded edges <NUM> surround the frames <NUM> from the outer side, the frames <NUM> are disposed with pressing edges <NUM>, and the pressing edges <NUM> press edges of the folded edges <NUM>. The folded edges <NUM> of the plates <NUM> are pressed by the pressing edges <NUM> of the frames <NUM>, in this way, the plates <NUM> are more tightly attached to the frames <NUM>, so that an overall structure is more compact and stable. As the two side plates <NUM> comprising the front side plate <NUM> and the rear side plate <NUM> clamp the two side plates <NUM> comprising the left side plate <NUM> and the right side plate <NUM>, therefore, in this embodiment, the side wings <NUM> are defined on the frames <NUM> of the front side plate <NUM> and the rear side plate <NUM>.

Referring to <FIG> and <FIG>, in order to enable the box cover <NUM> to be opened and to be maintained at a predetermined position, a self-positioning structure <NUM> is configured to be disposed between the box cover <NUM> and the left side plate <NUM> or the right side plate <NUM>. The self-positioning structure <NUM> comprises a support rod <NUM>, a fixing base <NUM>, and a friction block <NUM>. The fixing base <NUM> is disposed on one of the side plates <NUM> of the box body, the fixing base <NUM> is disposed with a slide groove <NUM> passing through an upper top surface and a lower bottom surface of the fixing base <NUM>, and the fixing base <NUM> is further disposed with a receiving hole <NUM> in communication with the slide groove <NUM>. One end of the support rod <NUM> is pivotally connected to a side wall of the box cover <NUM>, and the other end passes through the slide groove <NUM>. A width of the slide groove <NUM> is greater than a width of the support rod <NUM>, and the support rod <NUM> is configured to slide and swing relative to the slide groove <NUM>. The friction block <NUM> is disposed in the receiving hole <NUM> and is in friction connection with and cooperates with the support rod <NUM>, the support rod <NUM> is positioned due to the frictional force between the friction block <NUM> and the support rod <NUM>, and the support rod <NUM> can be pulled to move by overcoming the frictional force. An inner surface of the receiving hole <NUM> is disposed with an internal thread, the self-positioning structure <NUM> further comprises an elastic member <NUM> and a screw bolt <NUM> cooperating with the internal thread, and two ends of the elastic member <NUM> respectively abut the friction block <NUM> and the screw bolt <NUM>. The screw bolt <NUM> rotates to adjust the frictional force between the friction block <NUM> and the support rod <NUM>, so that the frictional force between the friction block <NUM> and the support rod <NUM> is easily adjusted for various sizes of the box cover <NUM>. An end of the other end of the support rod <NUM> is disposed with a positioning hook <NUM> configured to prevent the support rod <NUM> and the slide groove <NUM> from separating from each other. Therefore, when the box cover is opened, the box cover <NUM> can only be opened to a preset maximum angle, that is, the positioning hook <NUM> is clamped to the fixing base <NUM>, and the support rod <NUM> will not be drawn out of the slide groove <NUM> even where a user opens the box cover <NUM> with excessive force.

Preferably, the box cover <NUM> is disposed with a hinge base <NUM>, and the one end of the support rod <NUM> is pivotally connected to the hinge base <NUM>. The hinge base <NUM> is disposed with a positioning pin, the frame of the box cover <NUM> comprises a plurality of positioning holes cooperating with the positioning pin, and the positioning pin is clamped to one of the positioning holes. The maximum opening angle of the box cover <NUM> can be preset using the plurality of positioning holes, and the preset maximum opening angle of the box cover is easily adjusted. An entirety of the support rod <NUM> is disposed in a receiving space defined by the box body and the box cover. When the box cover <NUM> is closed, an appearance of the box body is tidier, and the support rod <NUM> is prevented from hooking or catching other surrounding objects. Preferably, the support rod <NUM>, the fixing base <NUM>, and the hinge base <NUM> are all plastic elements.

Referring to <FIG>, where the self-positioning structure <NUM> is not present and there is desired for the box cover <NUM> to be maintained at a specified position after the box cover <NUM> is opened, a flexible connection belt <NUM> can also be disposed between the box cover <NUM> and the box body <NUM>. The flexible connection belt <NUM> can be bent, and two ends of the flexible connection belt <NUM> are respectively disposed with fasteners <NUM>. A side edge of the box cover <NUM> is disposed with a first lock hole <NUM> at a position adjacent to a rotation axis (that is, the shaft core <NUM>) between the box cover <NUM> and the box body <NUM>, and the side plate <NUM> of the box body <NUM> on the same side of the first lock hole <NUM> is disposed with a second lock hole <NUM> at a position adjacent to the rotation axis. The fasteners <NUM> of the two ends of the flexible connection belt <NUM> are respectively disposed in the first lock hole <NUM> and the second lock hole <NUM>. After the box cover <NUM> is opened, the flexible connection belt <NUM> is straightened, and connecting lines of three points projected on a plane by the first lock hole <NUM>, the second lock hole <NUM>, and the rotation axis define an obtuse triangle. That is, a length of the flexible connection belt <NUM> enables the box cover <NUM> to be turned more than <NUM> degrees, but not more than <NUM> degrees, therefore, after the box cover <NUM> is opened, the box cover <NUM> can be stably maintained in the open position due to its own weight and a pulling force of the flexible connection belt <NUM>.

The flexible connection belt <NUM> is a three-step structure, and comprises a body portion <NUM> disposed on a middle portion and two connection portions <NUM> disposed on two ends, the body portion <NUM> and the two connection portions <NUM> are perpendicular to each other, two fasteners <NUM> are respectively disposed on the two connection portions <NUM>, and the fasteners <NUM> and the body portion <NUM> are disposed on two sides of the two connection portions <NUM>. The flexible connection belt <NUM> is integrally formed by PE, HDPE, or PP. The flexible connection belt <NUM> is disposed on an inner side of the assemblable storage box to enable the flexible connection belt <NUM> to be disposed in the box body <NUM> when the box cover <NUM> is closed.

As described above, the box cover <NUM> comprises the plastic panel and the plastic frame disposed along the four sides of the plastic panel, and the first lock hole <NUM> is disposed on the plastic frame. The side plate <NUM> comprises the plate and the frame disposed along the four sides of the plate, and the second lock hole <NUM> is disposed on the frame of the side plate <NUM>.

Claim 1:
An assemblable storage box, which comprises a box body (<NUM>) comprising a top surface with an opening, the box body (<NUM>) comprises a bottom plate (<NUM>) and four side plates (<NUM>) comprising a front side plate (<NUM>), a rear side plate (<NUM>), a left side plate (<NUM>), and a right side plate (<NUM>), wherein: two adjacent side plates (<NUM>) are detachably clamped together, bottom portions of the four side plates (<NUM>) comprising the front side plate (<NUM>), the rear side plate (<NUM>), the left side plate (<NUM>), and the right side plate (<NUM>) are disposed with support countertops (<NUM>), four sides of the bottom plate (<NUM>) horizontally extend outward to define positioning edges (<NUM>) respectively, the positioning edges (<NUM>) of the four sides of the bottom plate (<NUM>) respectively abut upper sides of the support countertops (<NUM>) of the four side plates (<NUM>) comprising the front side plate (<NUM>), the rear side plate (<NUM>), the left side plate (<NUM>), and the right plate (<NUM>), positioning fasteners (<NUM>) are further provided, and the positioning fasteners (<NUM>) are fastened to the support countertops (<NUM>) to enable the positioning edges (<NUM>) to be positioned, characterised in that it comprises a box cover (<NUM>) configured to cover the opening of the box body (<NUM>), and in that the four edges of the bottom plate (<NUM>) are all folded upward to define block edges (<NUM>), and upper edges of the block edges (<NUM>) horizontally extend outward to define the positioning edges (<NUM>).