CN113247421A

CN113247421A - Storage box and turnover vehicle

Info

Publication number: CN113247421A
Application number: CN202110754522.0A
Authority: CN
Inventors: 范晋; 徐海栋
Original assignee: Glory Intelligence Technology Kunshan Co Ltd
Current assignee: Glory Intelligence Technology Kunshan Co Ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-08-13

Abstract

The invention belongs to the technical field of logistics transportation, and discloses a storage box and a turnover vehicle, wherein the storage box comprises a bottom plate and a frame body fixedly connected with the bottom plate, the bottom plate can bear materials, the storage box also comprises at least one storage layer, each storage layer comprises two support rods, at least three support rods, at least one telescopic frame and at least one locking structure, the support rods at the head side and the tail side are alternatively and fixedly connected with the end parts of the support rods, the rest support rods are slidably connected with the support rods, the telescopic frames are pivoted on the support rods except the head side and the tail side, each telescopic frame comprises a first connecting rod and a second connecting rod, two adjacent telescopic frames are pivoted, the support rods at the head side and the tail side are respectively pivoted with the adjacent telescopic frames, and the locking structures are arranged on the telescopic frames to fix or release all the support rods, the storage box can be suitable for storing goods with different heights and can also be suitable for the higher goods with different cross section sizes, the turnover vehicle with the storage box has high universality, and can transport various types of goods.

Description

Storage box and turnover vehicle

Technical Field

The invention relates to the technical field of logistics transportation, in particular to a storage box and a turnover vehicle.

Background

The storage box is the goods shelves that are used for commodity circulation turnover center, current storage box is in order to deposit more goods, generally all include the bottom plate and fix the framework on the bottom plate, fixed a plurality of baffles in the framework, enclose into storage space between the adjacent baffle, for the ease of depositing the goods, traditional storage box's baffle generally sets up to solid construction, lead to can only place the goods that highly are less than the distance between two adjacent baffles on the storage box, some highly great goods just can't be deposited on the storage box of having stereotyped, storage box's among the prior art commonality is lower promptly. In addition, the logistics turnover center generally uses a turnover vehicle to transport goods, and the turnover vehicle with the storage box limits the types of goods that can be transported.

Therefore, the above problems need to be solved.

Disclosure of Invention

The invention aims to provide a storage box, which is suitable for storing goods with different heights while increasing the storage quantity of the goods and has higher universality.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a storage box, includes bottom plate and fixed connection in the framework of bottom plate, the bottom plate can bear the weight of the material, storage box still includes at least one and puts the thing layer, every put the thing layer and include:

the two support rods are arranged in parallel along the width direction of the bottom plate and are fixedly connected to the frame body;

the supporting rods are arranged in parallel along the length direction of the supporting rod, the supporting rods at the head and the tail of the supporting rod are alternatively and fixedly connected to the end part of the supporting rod, and the rest supporting rods are connected to the supporting rod in a sliding manner;

the telescopic frames are pivoted with the supporting rods except the head and the tail of the telescopic frames, each telescopic frame comprises a first connecting rod and a second connecting rod which are pivoted with the corresponding supporting rod at a cross point, two ends of each first connecting rod of each telescopic frame are respectively pivoted with the end parts of the second connecting rods of other adjacent telescopic frames, and the supporting rods at the head and the tail of the telescopic frames are respectively pivoted with the telescopic frames on the adjacent supporting rods;

two ends of the two third connecting rods are respectively pivoted with the support rods at the head and the tail sides and the end part of the first connecting rod close to the support rods;

two ends of the two fourth connecting rods are respectively pivoted with the support rods at the head and the tail of the two fourth connecting rods and the end part of the second connecting rod close to the support rods; and

and the locking structure is arranged on the telescopic frame so as to fix or release the support rod.

Preferably, the locking structure includes:

the first rack is arranged along the length direction of the first connecting rod or the second connecting rod between the supporting rods;

the second rack is opposite to the first rack; and

a driver configured to drive the second rack to move toward or away from the first rack to engage or disengage the first and second racks.

Preferably, the first link or the second link is provided with a first accommodating groove along the length direction thereof, and the first rack is mounted in the first accommodating groove;

the locking structure further comprises:

one end of the first connecting rod is rotatably connected to one of the first connecting rod and the second connecting rod, wherein the first accommodating groove is not formed in the one of the first connecting rod and the second connecting rod; and

the installation piece, the installation piece rotate connect in the other end and the sliding connection of head rod are in first storage tank, the installation piece orientation one side of first rack is equipped with the second storage tank, the driving piece install in the installation piece is kept away from one side of second storage tank and its expansion end stretch into in the second storage tank and connect the second rack, the driving piece can drive the second rack shifts out the second storage tank with first rack toothing or move into the second storage tank with first rack separation.

Preferably, the first and second racks have teeth with a triangular cross section.

Preferably, each of the placement layers is provided with one first rack, each of the placement layers comprises one locking structure, and one first rack and one locking structure are located between any two adjacent support rods.

Preferably, the locking structure further comprises a second connecting rod, one end of the second connecting rod is rotatably connected to the second connecting rod and one of the first connecting rods, which is not provided with the first rack, the driving member is connected to the other end of the second connecting rod, the second rack is fixedly connected to the movable end of the driving member, and the second connecting rod can enable the second rack to be over against the first rack.

Preferably, two ends of each support rod are provided with pulleys, the two support rods are provided with sliding grooves along the length direction of the support rods, and the pulleys can roll along the sliding grooves.

Preferably, the storage box further includes a pair of first blocking plates and a pair of second blocking plates, the pair of first blocking plates are respectively mounted on both sides of the bottom plate along the length direction of the bottom plate, and the pair of second blocking plates are respectively mounted on both sides of the bottom plate along the width direction of the bottom plate.

Preferably, the pair of first baffles and the pair of second baffles are hinged to the side faces of the bottom plate, and the storage box further comprises a third baffle capable of limiting the rotation of the first baffles and the second baffles.

The invention also provides a turnover vehicle which is characterized by comprising a plurality of universal wheels and the storage box, wherein the plurality of universal wheels are uniformly distributed below the bottom plate. The turnover vehicle can transport various types of goods.

The invention has the beneficial effects that: the object placing layer of the object placing box comprises a plurality of supporting rods, the supporting rods are arranged at intervals along the length direction of the supporting rods, wherein the first or the last supporting rod is fixed at one end of the supporting rods, the rest of the supporting rods can move along the length direction of the supporting rods through the pivoted expansion brackets so as to adjust the distance between the last or the first supporting rod and the other end of the supporting rod, one side of the last or the first supporting rod, which is far away from the rest of the supporting rods, is a blank area so as to store higher objects, lower objects can be stored between the bottom plate and the object placing layer, objects can be stored between the adjacent object placing layers, and the object placing layer can be suitable for storing objects with different heights while the storage quantity of the objects is. And because the locking structure can fix or release all the supporting rods, the distance between the last supporting rod or the first supporting rod and the other end of the supporting rod can be adjusted in real time, so that the locking structure is suitable for high goods with different cross section sizes, and has high universality.

The invention also provides a turnover vehicle, the goods in different heights and different cross section sizes can be placed in the storage box of the turnover vehicle, and the goods on the storage box can be transported through the universal wheels, so that the turnover vehicle with the storage box can transport various types of goods.

Drawings

FIG. 1 is a front view of a tote cart having storage compartments, according to a first embodiment of the present invention;

FIG. 2 is a top view of a substrate layer according to a first embodiment of the present invention;

FIG. 3 is a front view of the substrate layer of the present invention;

fig. 4 is a schematic structural diagram of an expansion bracket and a locking structure according to a first embodiment of the invention;

fig. 5 is a schematic structural diagram of a second rack, a mounting block and a driving member according to a first embodiment of the invention;

fig. 6 is a schematic view of the third shutter plate of the present invention restricting the rotation of the first shutter plate.

In the figure:

1. a base plate;

2. a frame body;

3. placing a layer; 31. a support bar; 311. a chute; 32. a strut; 321. a pulley; 33. a telescopic frame; 331. a first link; 3311. a first accommodating groove; 332. a second link; 34. a third link; 35. a fourth link; 36. a locking structure; 361. a first rack; 362. a second rack; 363. a drive member; 364. a first connecting rod; 365. mounting blocks; 3651. a second accommodating groove;

4. a first baffle plate;

5. a third baffle plate;

6. a universal wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

The present embodiment provides a storage box, please refer to fig. 1 and fig. 2, the storage box includes a bottom plate 1 and a frame 2 fixedly connected to the bottom plate 1, the bottom plate 1 can carry materials, the storage box further includes at least one storage layer 3, each storage layer 3 includes two support rods 31, a plurality of support rods 32, a telescopic frame 33, two third connecting rods 34, two fourth connecting rods 35 and a locking structure 36, the two support rods 31 are arranged in parallel along the width direction of the bottom plate 1, the two support rods 31 are fixedly connected to the frame 2, the plurality of support rods 32 are arranged in parallel along the length direction of the support rods 31, the support rods 32 at the head and the tail sides are alternatively and fixedly connected to the end portions of the support rods 31, the rest of the support rods 32 are slidably connected to the support rods 31, the support rods 32 except the head and tail sides are all pivotally connected to a telescopic frame 33, each telescopic frame 33 includes a first connecting rod 331 and a second connecting rod 332 pivotally connected to the support rods 32 at the intersection point, two ends of the first connecting rod 331 of each telescopic frame 33 are respectively pivoted with the end parts of the second connecting rods 332 of the other adjacent telescopic frames 33, two ends of the two third connecting rods 34 are respectively pivoted with the end parts of the head-tail two sides of the support rod 32 and the first connecting rod 331 close to the support rod 32, two ends of the two fourth connecting rods 35 are respectively pivoted with the end parts of the head-tail two sides of the support rod 32 and the second connecting rod 332 close to the support rod 32, and the locking structure 36 is arranged on the telescopic frames 33 to fix or release the support rod 32.

Compared with the solid material placing layer 3 in the prior art, the material placing layer 3 in this embodiment includes a plurality of supporting rods 32, the supporting rods 32 are arranged at intervals along the length direction of the supporting rod 31, wherein the first or the last supporting rod 32 is fixed at one end of the supporting rod 31, the rest of the supporting rods 32 can move along the length direction of the supporting rod 31 through the pivoted expansion bracket 33, the third connecting rod 34 and the fourth connecting rod 35, so as to adjust the distance between the last or the first supporting rod 32 and the other end of the supporting rod 31, one side of the last or the first supporting rod 32 away from the rest of the supporting rods 32 is a blank area, so as to store higher goods, lower goods can be stored between the bottom plate 1 and the material placing layer 3, goods can be stored between the adjacent material placing layers 3, and the goods storage quantity of goods can be increased, and meanwhile, the material placing layer 3 can be suitable for storing goods of different heights. Moreover, since the locking structure 36 can fix or release the supporting rod 32, the distance between the last or first supporting rod 32 and the other end of the supporting rod 31 can be adjusted in real time to adapt to higher cargos with different cross-sectional dimensions, so that the locking structure has higher universality.

When putting thing layer 3 and setting up to more than two, the blank area of putting thing layer 3 on the upper strata can be adjusted to be greater than the blank area of lower floor, also can deposit higher goods between two adjacent thing layers 3 promptly to select suitable parking position according to the height of goods.

It is understood that each of the product layers 3 in the present embodiment includes five support rods 32 and two product layers 3, and the following description includes five support rods 32 and two product layers 3 as an example, however, in other alternative embodiments, the number of the support rods 32 of each of the product layers 3 and the product layers 3 may be other, and the present embodiment is not limited thereto.

Specifically, the supporting rod 31 of each storage layer 3 extends along the length direction of the bottom plate 1, the first or the last supporting rod 32 of the five supporting rods 32 is fixed, the three supporting rods 32 except the first and the last supporting rods 32 are all pivoted with the telescopic frames 33, the two adjacent telescopic frames 33 are mutually pivoted to push and pull the last or the first supporting rod 32, the three supporting rods 32 are driven by the third connecting rod 34 and the fourth connecting rod 35, the distance between the two adjacent supporting rods 32 is changed through the linkage between the adjacent telescopic frames 33, and then the four supporting rods 32 except the first or the last supporting rod 32 are integrally moved to adjust the size of the blank area of the storage layer 3, the bottom plate 1 below the blank area can store higher goods, the bottom plate 1, the storage layer 3 and the adjacent storage layer 3 can store lower goods, and the storage quantity of the goods is increased, can also be suitable for depositing higher goods, remove the in-process, all branch 32 can be locked in real time to locking structure 36, the blank area adjustment of putting thing layer 3 of lower floor is for being less than the blank area of putting thing layer 3 on upper strata through locking structure 36, then higher goods also can be deposited to putting thing layer 3 of lower floor, the size of all blank areas of putting thing layer 3 is adjusted through locking structure 36, make floor or lower putting thing layer 3 can deposit the higher goods of different cross sectional dimension, consequently, the storage box in this embodiment has high commonality.

As shown in fig. 3, two ends of each strut 32 are provided with a pulley 321, the two support rods 31 are provided with a sliding slot 311 along the length direction thereof, the pulleys 321 can roll along the sliding slot 311, in this embodiment, rolling friction is formed between the strut 32 and the support rods 31, so that resistance generated by movement of the strut 32 is reduced, and an operator can push and pull the last or first strut 32 conveniently.

With continued reference to fig. 4 and 5, the locking structure 36 includes a first rack 361, a second rack 362 and a driving member 363, the first rack 361 is disposed along the length direction of the first link 331 or the second link 332, the second rack 362 is opposite to the first rack 361, and the driving member 363 is configured to drive the second rack 362 to move toward or away from the first rack 361, so as to engage or disengage the first rack 361 and the second rack 362. When the first rack 361 and the second rack 362 are engaged, the telescopic frame 33 is locked, the strut 32 cannot move continuously, and after the driving piece 363 drives the second rack 362 to separate from the first rack 361, the first link 331 and the second link 332 are unlocked, the strut 32 can move continuously, so that the distance between the last or first strut 32 and the other end of the support rod 31 can be adjusted in real time.

Specifically, in this embodiment, the first link 331 or the second link 332 has a first receiving slot 3311 along a length direction thereof, the first rack 361 is installed in the first receiving slot 3311, the locking structure 36 further includes a first connecting rod 364 and an installation block 365, one end of the first connecting rod 364 is rotatably connected to one of the first link 331 and the second link 332, which is not provided with the first receiving slot 3311, the installation block 365 is rotatably connected to the other end of the first connecting rod 364 and is slidably connected to the first receiving slot 3311, one side of the installation block 365 facing the first rack 361 is provided with a second receiving slot 3651, the driving element 363 is installed at one side of the installation block 365 away from the second receiving slot 3651, and a movable end of the driving element extends into the second receiving slot 3651 and is connected to the second rack 362, the driving member 363 can drive the second rack 362 to move out of the second receiving groove 3651 to engage with the first rack 361 or move into the second receiving groove 3651 to separate from the first rack 361. The mounting block 365 is slidably connected to the first receiving slot 3311, when the four support rods 32 except the first or the last support rod 32 move along the horizontal direction, the second rack 362 is retracted into the second receiving slot 3651, the mounting block 365 slides in the first receiving slot 3311, the second rack 362 always faces the first rack 361, when the driving element 363 drives the second rack 362 to extend out, the second rack 362 can be engaged with the first rack 361, the telescopic frame 33 is locked, and the support rods 32 cannot move continuously.

In order to facilitate the engagement between the second rack 362 and the first rack 361 and prevent the tooth tops of the first rack 361 and the second rack 362 from contacting each other, the cross-sections of the teeth of the first rack 361 and the second rack 362 are preferably triangular. Meanwhile, when the driving member 363 drives the second rack 362 to move toward the first rack 361, if the tooth top of the first rack 361 is not aligned with the tooth bottom of the second rack 362, the tooth tops of the first rack 361 and the second rack 362 having triangular tooth cross sections can be adjusted when contacting, so that the tooth top of the first rack 361 enters the tooth bottom of the second rack 362.

Since the two adjacent telescopic frames 33 are pivoted with each other in this embodiment, when one telescopic frame 33 in one storage layer 3 is locked, all the other telescopic frames 33 will be locked, that is, in this embodiment, a first rack 361 is provided on each storage layer 3, each storage layer 3 includes a locking structure 36, and one first rack 361 and one locking structure 36 are located between any two adjacent struts 32.

In this embodiment, as shown in fig. 1, the storage box further includes a pair of first baffles 4 and a pair of second baffles (not shown in the figure), the pair of first baffles 4 are respectively installed on two sides of the bottom plate 1 along the length direction thereof, the pair of second baffles are respectively installed on two sides of the bottom plate 1 along the width direction thereof, and the pair of first baffles 4 and the pair of second baffles can prevent the goods stored on the bottom plate 1 from sliding out of the storage box, thereby protecting the safety of the goods.

Further, a pair of first baffles 4 and a pair of second baffles are hinged to the side surfaces of the bottom plate 1, please refer to fig. 1 and 6, the storage box further comprises a third baffle 5, and the third baffle 5 can limit the rotation of the first baffles 4 and the second baffles. The third baffle 5 can make first baffle 4 and second baffle keep with bottom plate 1 vertically state to prevent the goods roll-off storage box of depositing on bottom plate 1, after detaching third baffle 5, rotate first baffle 4 and second baffle and make its one side support the ground plane, first baffle 4 and second baffle form the slope, and the operating personnel of being convenient for will heavily lift off along the slope.

This embodiment still provides a turnover vehicle, as shown in fig. 1, this turnover vehicle includes a plurality of universal wheels 6 and as above-mentioned storage box, and a plurality of universal wheels 6 evenly distributed are in the below of bottom plate 1, and different height and different cross sectional dimension's goods can be placed to above-mentioned storage box, can transport the goods on the storage box through universal wheel 6, and consequently the turnover vehicle that has this storage box can transport multiple type goods.

Example two

Compared with the first embodiment, the present embodiment is different in that the locking structure 36 further includes a second connecting rod (not shown), one end of the second connecting rod is rotatably connected to one of the second connecting rod 332 and the first connecting rod 331, which is not provided with the first rack 361, the driving member 363 is connected to the other end of the second connecting rod, the second rack 362 is fixedly connected to the movable end of the driving member 363, and the second connecting rod enables the second rack 362 to face the first rack 361. After the four support rods 32 except the first or last support rod 32 move along the horizontal direction, the positions of the first rack 361 and the second rack 362 change, the second connecting rod can drive the second rack 362 to rotate together, so that the second rack 362 is opposite to the first rack 361, the driving piece 363 drives the second rack 362 to move towards the first rack 361, the second rack 362 is meshed with the first rack 361, the first connecting rod 331 and the second connecting rod 332 are locked, the support rod 32 cannot move continuously, after the driving piece 363 drives the second rack 362 to be far away from the first rack 361, the first connecting rod 331 and the second connecting rod 332 are unlocked, and the support rods 32 can move continuously, so that the distance between the last support rod 32 and the other end of the support rod 31 can be adjusted in real time.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a storage box, includes bottom plate (1) and fixed connection in framework (2) of bottom plate (1), bottom plate (1) can bear the weight of the material, its characterized in that, storage box still includes at least one and puts thing layer (3), every put thing layer (3) and include:

the two support rods (31) are arranged in parallel along the width direction of the bottom plate (1), and the two support rods (31) are fixedly connected to the frame body (2);

the supporting rods (32) are arranged in parallel along the length direction of the supporting rod (31), the supporting rods (32) at the head side and the tail side are alternatively and fixedly connected to the end part of the supporting rod (31), and the rest of the supporting rods (32) are connected to the supporting rod (31) in a sliding manner;

the telescopic frames (33) are pivoted with one telescopic frame (33) except for the head and the tail of the supporting rod (32), each telescopic frame (33) comprises a first connecting rod (331) and a second connecting rod (332) which are pivoted on the supporting rod (32) at a crossing point, and two ends of the first connecting rod (331) of each telescopic frame (33) are respectively pivoted with the end parts of the second connecting rods (332) of other adjacent telescopic frames (33);

two ends of the two third connecting rods (34) are respectively pivoted with the support rods (32) at the head side and the tail side and the end part of the first connecting rod (331) close to the support rods (32);

two ends of the two fourth connecting rods (35) are respectively pivoted with the support rods (32) at the head side and the tail side and the end part of the second connecting rod (332) close to the support rods (32); and

a locking structure (36), wherein the locking structure (36) is arranged on the telescopic frame (33) to fix or release the support rod (32).

2. The storage compartment of claim 1, wherein the locking structure (36) comprises:

a first rack (361) provided along a longitudinal direction of the first link (331) or the second link (332);

a second rack (362) facing the first rack (361); and

a drive member (363) configured to drive the second rack (362) towards or away from the first rack (361) to engage or disengage the first rack (361) and the second rack (362).

3. The storage box according to claim 2, wherein the first link (331) or the second link (332) has a first receiving groove (3311) along a length direction thereof, and the first rack gear (361) is installed in the first receiving groove (3311);

the locking structure (36) further comprises:

a first connecting rod (364), one end of which (364) is rotatably connected to one of the first connecting rod (331) and the second connecting rod (332) in which the first receiving groove (3311) is not provided; and

the mounting block (365), the mounting block (365) rotate connect in the other end of first connecting rod (364) and sliding connection is in first containing groove (3311), one side of mounting block (365) towards first rack (361) is equipped with second containing groove (3651), driving piece (363) install in one side and its movable end that mounting block (365) kept away from second containing groove (3651) stretch into in second containing groove (3651) and connect second rack (362), driving piece (363) can drive second rack (362) move out second containing groove (3651) with first rack (361) meshing or move into second containing groove (3651) with first rack (361) separation.

4. A storage box as claimed in claim 3, wherein the teeth of the first and second racks (361, 362) are triangular in cross-section.

5. A storage compartment according to claim 4, wherein one of the first racks (361) is provided on each of the storage layers (3), each of the storage layers (3) comprising one of the locking structures (36), one of the first racks (361) and one of the locking structures (36) being located between any two adjacent ones of the struts (32).

6. The storage box as claimed in claim 2, wherein the locking structure (36) further comprises a second connecting rod, one end of the second connecting rod is rotatably connected to one of the second connecting rod (332) and the first connecting rod (331) where the first rack (361) is not provided, the driving member (363) is connected to the other end of the second connecting rod, the second rack (362) is fixedly connected to the movable end of the driving member (363), and the second connecting rod enables the second rack (362) to face the first rack (361).

7. The storage box according to claim 1, wherein pulleys (321) are provided at both ends of each of the support rods (32), and the two support rods (31) are provided with sliding grooves (311) along the length direction thereof, and the pulleys (321) can roll along the sliding grooves (311).

8. The storage box according to claim 1, further comprising a pair of first flaps (4) and a pair of second flaps, the pair of first flaps (4) being respectively installed at both sides of the bottom plate (1) in a length direction thereof, and the pair of second flaps being respectively installed at both sides of the bottom plate (1) in a width direction thereof.

9. A storage box as claimed in claim 8, wherein a pair of the first flaps (4) and a pair of the second flaps are hinged to the sides of the base plate (1), the box further comprising a third flap (5), the third flap (5) being capable of restricting the rotation of the first flap (4) and the second flap.

10. A tote cart, characterized in that it comprises a plurality of universal wheels (6) and a storage compartment according to any of claims 1-9, said plurality of universal wheels (6) being evenly distributed under said floor (1).