JP3244311U - extendable storage box - Google Patents

Abstract

[Problem] To provide a storage box that can be expanded and contracted. [Solution] The extendable storage box is a box body having a storage space in which four sets of side extendable assemblies and at least one set of bottom extendable assemblies are joined, and the side extendable assemblies of each set are connected to each other. A first side telescoping plate assembly 1-1 is comprised of two movable panels slidably fitted, one side edge of the bottom telescoping assembly being hinged to the lower part of one set of the side telescoping assemblies. Among the four sets of side telescoping assemblies, one set of opposing double side telescoping assemblies is assembled to form the first folding unit 3-11, and another set of opposite double side telescoping assemblies is assembled. The telescoping assembly is assembled to form a second folding unit 3-12. Each set of bottom telescoping assemblies is composed of two sets of first bottom telescoping plate assemblies 2-1 that are slidably fitted to each other, and the first bottom telescoping plate assemblies are slidably fitted to each other. It consists of two movable panels. [Selection diagram] Figure 1

Description

TECHNICAL FIELD The present invention relates to the technical field of article storage equipment, and more particularly, to a retractable storage box.

Storage boxes are also called organizing boxes, storage cases, organizing cases, and storage cases. Storage boxes are divided into different types depending on the material, such as plastic, cloth, paper, metal, and wood.

In order to increase the applicability of storage boxes, several improvements have been made to prior art storage boxes that can be adjusted to different storage space sizes. This type of storage box has a common feature in that the area can be changed by fitting and folding panels on the sides to realize variable size, but conventional storage boxes of this type have a foldable design. Since there is no storage space, there is a problem in that it takes up storage space when not in use.

Focusing on the technical problems existing in the prior art, the objective of the present invention is to provide an extendable storage box that can be folded under conditions that allow adjustment of size and space.

In order to achieve the above object, the present invention adopts one of the following technical means. The storage box is extendable and has a storage space in which four sets of side extendable assemblies and at least one set of bottom extendable assemblies are joined together, and the side extendable assemblies of each set are slidable against each other. a first side telescoping plate assembly comprising two movable panels movably fitted, one side edge of the bottom telescoping assembly being hinged to a lower portion of the pair of side telescoping assemblies; Among the sets of side telescoping assemblies, two opposing sets of side telescoping assemblies are assembled to form a first folding unit, and the other two opposing sets of side telescoping assemblies are assembled to form a second folding unit. a lower portion of the side telescoping assembly within the first folding unit is hingedly connected to a bottom telescoping assembly; and the second folding unit is arranged below the side telescoping assembly within each second folding unit. It also includes two vertical folding retraction plates for retracting the thickness of the side telescopic assembly of the first folding unit which is folded and folded, and the lower part of the vertical folding retraction plate is connected to the bottom telescopic assembly. The upper part of the vertical folding relief plate is hinged to the lower part of the corresponding side telescoping assembly.

Furthermore, each set of said side telescoping assemblies also includes a second side telescoping plate assembly consisting of two movable panels slidably fitted together, a second side telescoping plate assembly and a first side telescoping plate assembly. The plate assembly and the plate assembly are slidably fitted to each other.

Furthermore, each set of the bottom telescoping assemblies is comprised of two sets of first bottom telescoping plate assemblies that are slidably fitted to each other, and the first bottom telescoping plate assemblies are slidably fitted to each other. It consists of two movable panels that are attached to each other.

Furthermore, each set of the bottom telescoping assembly includes two sets of second bottom telescoping plate assemblies and a first bottom corrugated connection telescoping assembly connected between the two sets of second bottom telescoping plate assemblies. and the second bottom telescopic plate assembly is comprised of two movable panels that are slidably fitted together, and the first bottom corrugated connection telescoping assembly is slidably fitted to each other. It is composed of a first elastic corrugated bottom plate and a second elastic corrugated bottom plate, and the sliding direction between the first elastic corrugated bottom plate and the second elastic corrugated bottom plate is perpendicular to the respective expansion and contraction directions, The expansion/contraction direction of the second bottom elastic corrugated plate assembly is the same as the sliding direction between the first bottom elastic corrugated plate and the second bottom elastic corrugated plate.

Furthermore, each set of said bottom telescoping assemblies is comprised of two sets of bottom telescoping subassemblies and a second bottom corrugated connection telescoping assembly provided between the two sets of bottom telescoping subassemblies; The bottom expansion/contraction subassembly includes two first bottom substrates arranged symmetrically, and a third bottom expansion/contraction corrugated plate connected between the two first bottom substrates, and the second bottom corrugation The connecting telescopic assembly is composed of a fourth bottom telescopic corrugated plate and a fifth bottom telescopic corrugated plate that are slidably fitted into each other, and two of the fourth bottom telescopic corrugated plate and the fifth bottom telescopic corrugated plate are connected to each other. The side edges are respectively connected to the corresponding side edges of the first bottom substrate, and the sliding direction between the fourth bottom elastic corrugated plate and the fifth bottom elastic corrugated plate is orthogonal to the respective expansion/contraction directions.

Furthermore, each set of the bottom telescoping assembly includes a sixth bottom telescoping corrugated plate and a seventh bottom telescoping corrugated plate that are slidably fitted into each other, the sixth bottom telescoping corrugated plate and the seventh bottom telescoping corrugated plate. The direction of sliding between the plates is perpendicular to the respective expansion and contraction directions.

Furthermore, each set of the bottom telescoping assembly is composed of four second bottom substrates, and one side of each of the second bottom substrates can be folded over the bottom of the side telescoping assembly at the corresponding position. connected to.

Furthermore, between two adjacent sets of side telescoping assemblies, between the lower part of the side telescoping assembly and the bottom telescoping assembly, and between the upper part of the vertical folding evacuation plate and the lower part of the side telescoping assembly on the corresponding side. A hinge assembly is also provided at an arbitrary position, and the hinge assembly includes a first outer rotating plate, a second outer rotating plate, an arcuate elastic coupling body, a first inner rotating plate, and a second inner rotating plate. Both ends of the opening of the arcuate elastic connecting body are integrally connected to the first outer rotary plate and the second outer rotary plate, respectively, and there is a space between the first inner rotary plate and the second inner rotary plate. are hinge-connected, the first inner rotary plate is provided corresponding to the inner side of the first outer rotary plate, and a first slide rail is provided on one side between the first inner rotary plate and the first outer rotary plate. and a first slide block slidingly fitted to the first slide rail is provided on the other side, the extending direction of the first slide rail is orthogonal to the rotation direction of the first inner rotary plate, and the second inner rotary plate is A second slide rail is provided corresponding to the inside of the second outer rotary plate, and a second slide rail is provided on one side between the second inner rotary plate and the second outer rotary plate, and a second slide rail is provided on the other side to be slidably connected to the second slide rail. A second slide block is provided, and the extending direction of the second slide rail is perpendicular to the rotation direction of the second inner rotating plate.

As another technical measure, between two adjacent sets of side telescoping assemblies, between the lower part of the side telescoping assembly and the bottom telescoping assembly, and between the upper part of the vertical folding retraction plate and the side lateral telescoping assembly on the corresponding side. A hinge assembly is also provided at any position between the lower part, and the hinge assembly includes a first outer rotating plate, a second outer rotating plate, a first hinge, a first inner rotating plate, and a second outer rotating plate. an inner rotating plate and a second hinge, the first outer rotating plate and the second outer rotating plate are hingedly connected via the first hinge, and the first inner rotating plate and the second inner rotating plate are The first inner rotary plate is hingedly connected via a second hinge, and the first inner rotary plate is provided corresponding to the inner side of the first outer rotary plate, and extends in a direction parallel to the central axis of the second hinge through a sliding contact device. The second inner rotary plate is connected to the first outer rotary plate in a sliding manner, and the second inner rotary plate is provided corresponding to the inner side of the second outer rotary plate, and is connected parallel to the central axis of the second hinge through a sliding contact device. a first displacement limiting block is provided at the bottom of the first outer rotary plate and protrudes in a direction approaching the first inner rotary plate; A first displacement limiting block limits one end of the first inner rotating plate, and a second displacement limiting block is provided at the bottom of the second outer rotating plate and protrudes in a direction approaching the second inner rotating plate; A displacement limiting block limits one end of the second inner rotating plate, and the first hinge is attached to the first displacement limiting block and the second displacement limiting block and is coaxial with the second hinge.

Similarly, to achieve the above objective, the present invention can also adopt the following second technical means of different folding methods. The storage box is extendable and has a storage space in which four sets of side extendable assemblies and at least one set of bottom extendable assemblies are joined together, and the side extendable assemblies of each set are slidable against each other. A first side telescoping plate assembly consisting of two movable panels movably fitted is provided, and two opposing side telescoping assemblies among the four sets of side telescoping assemblies are assembled to form an inversion unit. and another two sets of opposing side telescoping assemblies are assembled to form an inversion unit, said inversion unit also having an inversion crossbar provided above said side telescoping assembly, and said inversion unit also includes an inversion crossbar provided above said side telescoping assembly; The upper part is rotatably connected to the inverting transverse rod, and both ends of the inverting transverse rod are fixed to corresponding side telescoping assemblies in the infolding units on both sides, and the side telescoping assemblies in the infolding units are connected to the inverting crossbars in the upper part. The folding subunit is comprised of a folding subunit and a lower folding subunit having an upper portion hinged to an upper folding subunit, the lower portion of the lower folding subunit being hinged to a bottom telescoping assembly.

Similarly, to achieve the above objective, the present invention can also adopt the following third technical means of different folding methods. The storage box is extendable and has a storage space in which four sets of side extendable assemblies and at least one set of bottom extendable assemblies are joined together, and the side extendable assemblies of each set are slidable against each other. a first side telescoping plate assembly consisting of two movable panels movably fitted, one side edge of the bottom telescoping assembly being hinged to a lower portion of the pair of side telescoping assemblies; The bottom telescoping assembly is made up of two pieces connected together, and the opposite side edges of the bottom telescoping assembly are hinged to the lower parts of two opposing side telescoping assemblies, respectively, and the four side telescoping assemblies are connected to each other by hinges. In the solid body, two sets of adjacent side telescoping assemblies are assembled in pairs to form two folding units, and a rear side telescoping assembly is folded between the two sets of side telescoping assemblies inside each set of folding units. A horizontal folding retraction plate is provided for retracting the thickness of the horizontal folding retraction plate, one side edge of the horizontal folding retraction plate is fixed to one set of side telescoping assemblies, and the other side edge is connected to another set of side extensions. Hinged to the telescoping assembly.

In short, the present invention has the following advantages:
1. The main body of the present invention is composed of a side extensible frame and a bottom extensible frame, each of which can expand and contract in at least one direction, so even after it is defined as a box shape, it can expand and contract in at least two directions. The storage space inside the frame can be expanded or contracted to suit the size of various items, and it is equipped with a folding unit that can be folded while expanding and contracting, so it does not take up space when not in use.
2. The present invention designs a special "joint" structure at the hinge connection part when folding relatively thick panels after lamination, which allows for better folding.

FIG. 1 is a first schematic structural diagram of embodiment 1.1 of the present invention in a folded state; FIG. 1 is a second schematic structural diagram of the embodiment 1.1 of the present invention in a folded state; FIG. 3 is a third schematic structural diagram of the embodiment 1.1 of the present invention in a folded state; FIG. 4 is a fourth schematic structural diagram of the embodiment 1.1 of the present invention in a folded state; FIG. 2 is a first schematic structural diagram of embodiment 1.2 of the present invention in a folded state; FIG. 2 is a second schematic structural diagram of embodiment 1.2 of the present invention in a folded state; FIG. 2 is a third schematic structural diagram of embodiment 1.2 of the present invention in a folded state; FIG. 4 is a fourth schematic structural diagram of embodiment 1.2 of the present invention in a folded state; FIG. 3 is a first schematic diagram of the three-dimensional structure of Example 2 of the present invention. FIG. 3 is a second schematic diagram of the three-dimensional structure of Example 2 of the present invention. FIG. 3 is a first schematic diagram of the three-dimensional structure of Example 3 of the present invention. FIG. 3 is a second schematic diagram of the three-dimensional structure of Example 3 of the present invention. FIG. 4 is a first schematic diagram of the three-dimensional structure of Example 4 of the present invention. FIG. 4 is a second schematic diagram of the three-dimensional structure of Example 4 of the present invention. FIG. 5 is a schematic diagram of the three-dimensional structure of Example 5 of the present invention when the bottom is closed; FIG. 5 is a schematic diagram of the three-dimensional structure of the fifth embodiment of the present invention when the bottom is opened; FIG. 6 is a schematic three-dimensional structure diagram of Example 6.1 of the present invention. FIG. 6 is a first three-dimensional structure schematic diagram of the hinge assembly of Embodiment 6.1 of the present invention; FIG. 6 is a second three-dimensional structure schematic diagram of the hinge assembly of Embodiment 6.1 of the present invention; FIG. 6 is a third three-dimensional structure schematic diagram of the hinge assembly of Embodiment 6.1 of the present invention; FIG. 7 is a first schematic structural diagram of embodiment 7.1 of the present invention in a folded state; FIG. 7 is a second schematic structural diagram of embodiment 7.1 of the present invention in a folded state; FIG. 7 is a third schematic structural diagram of embodiment 7.1 of the present invention in a folded state; FIG. 7 is a fourth schematic structural diagram of embodiment 7.1 of the present invention in a folded state; FIG. 7 is a first schematic structural diagram of embodiment 7.2 of the present invention in a folded state; FIG. 7 is a second schematic structural diagram of embodiment 7.2 of the present invention in a folded state; FIG. 7 is a third schematic structural diagram of embodiment 7.2 of the present invention in a folded state; FIG. 7 is a fourth schematic structural diagram of embodiment 7.2 of the present invention in a folded state; FIG. 8 is a first schematic structural diagram of embodiment 8.1 of the present invention in a folded state; FIG. 8 is a second schematic structural diagram of embodiment 8.1 of the present invention in a folded state; FIG. 8 is a third schematic structural diagram of embodiment 8.1 of the present invention in a folded state; FIG. 8 is a fourth schematic structural diagram of embodiment 8.1 of the present invention in a folded state; FIG. 8 is a first schematic structural diagram of embodiment 8.2 of the present invention in a folded state; FIG. 8 is a second schematic structural diagram of embodiment 8.2 of the present invention in a folded state; FIG. 8 is a third schematic structural diagram of embodiment 8.2 of the present invention in a folded state; FIG. 8 is a fourth schematic structural diagram of embodiment 8.2 of the present invention in a folded state; FIG. 9 is a schematic structural diagram of a ninth embodiment of the present invention in a folded state; FIG. 6 is a schematic diagram of a three-dimensional structure of a hinge assembly according to Embodiment 6.2 of the present invention; FIG. 6 is a three-dimensional exploded schematic diagram of a hinge assembly according to Embodiment 6.2 of the present invention;

The present invention will be explained in more detail below.

(Example 1.1)
As shown in FIGS. 1 to 4, this embodiment is a box having a storage space in which four sets of side telescoping assemblies and at least one set of bottom telescoping assemblies are joined,
Each set of the side telescoping assemblies includes a first side telescoping plate assembly 1-1 consisting of two movable panels slidably fitted to each other;
Each set of the bottom telescoping assembly is composed of two sets of first bottom telescoping plate assemblies 2-1 that are slidably fitted to each other.

one side edge of the bottom telescoping assembly is hinged to a lower portion of a pair of side telescoping assemblies;
Among the four sets of side telescoping assemblies, two opposing sets of side telescoping assemblies are assembled to form a first folding unit 3-11, and another set of two opposing side telescoping assemblies are assembled. assembled to form a second folding unit 3-12;
The lower part of the side telescoping assembly in said first folding unit 3-11 is hinged to the bottom telescoping assembly, and said second folding unit 3-12 is connected to the bottom part of the side telescoping assembly in said first folding unit 3-11. There are also two vertical folding evacuation plates 3-121 provided below the side telescoping assemblies for retracting the thickness of the folded rear side telescoping assembly, and the lower part of the vertical folding evacuation plates 3-121 is a bottom telescoping plate. The upper part of the vertical folding relief plate 3-121 is hinged to the lower part of the side telescoping assembly on the corresponding side.

The above-described embodiments disclose a solution for a telescoping storage box that can achieve both length and width expansion and contraction.

(Example 1.2)
As shown in FIGS. 5-8, in another approximate example, another extendable storage box embodiment is disclosed, which extends and contracts in the length, width, and height directions. The differences from the above-mentioned embodiments are as follows.
Each set of said side telescoping assemblies also includes a second side telescoping plate assembly 1-2 consisting of two movable panels slidably fitted into each other, the second side telescoping plate assembly 1-2 and The first side extensible plate assembly 1-1 is slidably fitted into each other.

(Example 2)
As shown in FIGS. 9 and 10, the difference between this embodiment and Embodiment 1 is that each set of the bottom telescoping assembly has two sets of second bottom telescoping plate assemblies 2-21 and 2. and a first bottom corrugated connection telescopic assembly provided between the second bottom expansion and retractable plate assemblies 2-21 of the set, and the first bottom corrugated connection telescopic assemblies are slidably fitted into each other. Consisting of a first elastic corrugated bottom plate 2-22 and a second elastic corrugated bottom plate 2-23, the sliding direction between the first elastic corrugated plate 2-22 and the second elastic corrugated bottom plate 2-23 are perpendicular to the respective expansion/contraction directions, and the expansion/contraction direction of the second bottom expansion/contraction plate assembly 2-21 is perpendicular to the expansion/contraction direction of the second bottom expansion/contraction plate assembly 2-21. It is parallel to the sliding direction between the elastic corrugated plate 2-23.

(Example 3)
As shown in FIGS. 11 and 12, the difference between this embodiment and Embodiment 1 is that each set of the bottom telescoping assemblies includes two sets of bottom telescoping sub-assemblies and two sets of bottom telescoping sub-assemblies. and a second bottom corrugated connection telescoping assembly provided in between, and each set of bottom telescoping sub-assemblies includes two symmetrically arranged first bottom substrates 2-31 and two first bottom substrates 2-31 disposed symmetrically. The second bottom corrugated connection telescopic assembly includes a fourth bottom corrugated plate 2-32 which is connected between the first and second bottom substrates 2-31, and a fourth bottom corrugated plate which is slidably fitted into each other. It is composed of a plate 2-33 and a fifth bottom elastic corrugated plate 2-34, and the sliding direction between the fourth bottom elastic corrugated plate 2-33 and the fifth bottom elastic corrugated plate 2-34 is determined by the expansion and contraction of each plate. perpendicular to the direction.

(Example 4)
As shown in FIGS. 13 and 14, the difference between this embodiment and the first embodiment is that each set of the bottom telescopic assemblies has a sixth bottom telescopic corrugated plate 2-41 that is slidably fitted into each other. and a seventh bottom elastic corrugated plate 2-42, and the sliding direction between the sixth bottom elastic corrugated plate 2-41 and the seventh bottom elastic corrugated plate 2-42 is perpendicular to the respective expansion and contraction directions.

In addition, due to the manufacturing process, there is a relative height difference between the sixth bottom elastic corrugated plate 2-41 on the outside and the seventh bottom elastic corrugated plate 2-42 on the inner side, and there is a difference in height between the first side elastic plate assembly 1-1 and the seventh bottom elastic corrugated plate 2-42. It is necessary to keep in mind that there is a relative height difference between the second side telescopic plate assembly 1-2 and the second side telescopic plate assembly 1-2. The first side elastic plate assembly 1-1 is similarly fixed to the edge of the sixth bottom elastic corrugated plate 2-41 on the outside, and the seventh bottom elastic corrugated plate 2-42 on the inside is fixed to the edge of the sixth bottom elastic corrugated plate 2-42 on the inside. It should be noted that it is fixed to the edge of the two-sided telescopic plate assembly 1-2.

(Example 5)
As shown in FIGS. 15 and 16, the difference between this embodiment and the first embodiment is that each set of the bottom expansion and contraction assembly is composed of four second bottom substrates 2-51, and each of the One side of the two bottom substrates 2-51 is foldably connected to the bottom of the side telescopic assembly at the corresponding position.

(Example 6.1)
As shown in FIGS. 17 to 20, the difference between this embodiment and Embodiment 1 is that there is a gap between the lower part of the side telescoping assembly and the bottom telescoping assembly and the upper part of the vertical folding retraction plate 3-121. A hinge assembly is also provided between the lower part of the side telescoping assembly on the side;
The hinge assembly includes a first outer rotating plate 4-1, a second outer rotating plate 4-2, an arcuate elastic connector 4-3, a first inner rotating plate 4-4, and a second inner rotating plate. comprising a plate 4-5,
Both ends of the opening of the arcuate elastic connector 4-3 are integrally connected to the first outer rotating plate 4-1 and the second outer rotating plate 4-2, respectively, and are connected to the first inner rotating plate 4-4. A hinge connection is made between the second inner rotating plate 4-5, and
The first inner rotating plate 4-4 is provided corresponding to the inner side of the first outer rotating plate 4-1, and is located on one side between the first inner rotating plate 4-4 and the first outer rotating plate 4-1. A first slide rail 4-61 is provided on the other side, and a first slide block 4-62 that fits the first slide rail 4-61 is provided on the other side. perpendicular to the rotation direction of the inner rotating plate 4-4,
The second inner rotating plate 4-5 is provided corresponding to the inner side of the second outer rotating plate 4-2, and is located on one side between the second inner rotating plate 4-5 and the second outer rotating plate 4-2. A second slide rail 4-71 is provided on the other side, and a second slide block 4-72 that fits the second slide rail 4-71 is provided on the other side. Perpendicular to the rotation direction of the inner rotating plate.

In this embodiment, one of the first outer rotating plate 4-1 and the second outer rotating plate 4-2 is integrally connected to the first side telescopic plate assembly 1-1 located outside, and the other corresponds to the bottom plate. In contrast, one of the first inner rotary plate 4-4 or the second inner rotary plate 4-5 is integrally connected with the inner second side telescopic plate assembly 1-2. and the other is integrally connected to the inner structure corresponding to the bottom plate.

Here, the first slide rail 4-61 and the second slide rail 4-71 can telescopically slide between the corresponding rotary plates in the unfolded state, but when folded, the extending direction is perpendicular to the rotation direction. Therefore, there is no relative displacement between the two corresponding rotating plates during the folding process, which greatly improves the stability of the folding structure.

(Example 6.2)
In another embodiment, as shown in FIGS. 38-39, the difference between this embodiment and Embodiment 6.1 is that the hinge assembly includes a first outer rotating plate 4-1 and a second outer rotating plate 4-1. The first outer rotating plate includes a rotating plate 4-2, a first hinge 4-3, a first inner rotating plate 4-4, a second inner rotating plate 4-5, and a second hinge 4-6. The plate 4-1 and the second outer rotating plate 4-2 are hingedly connected via a first hinge 4-3, and the first inner rotating plate 4-4 and the second inner rotating plate 4-5 are connected to each other via a first hinge 4-3. The first inner rotary plate 4-4 is hingedly connected via a hinge 4-6. -6 is connected to the first outer rotating plate 4-1 in a sliding manner in a direction parallel to the central axis, and the second inner rotating plate 4-5 corresponds to the inner side of the second outer rotating plate 4-2. The first outer rotary plate 4-2 is connected to the second outer rotary plate 4-2 in a sliding manner in a direction parallel to the central axis of the second hinge 4-6 through a sliding contact device. 1 is provided with a first displacement limiting block 4-1-1 that protrudes in a direction approaching the first inner rotating plate 4-4, and the first displacement limiting block 4-1-1 is provided with a first inner rotating plate 4-4. A second displacement limiting block 4-2-1 is provided at the bottom of the second outer rotary plate 4-2 to limit one end of the plate 4-4 and protrude in a direction approaching the second inner rotary plate 4-5. The second displacement limiting block 4-2-1 limits one end of the second inner rotating plate 4-5, and the first hinge 4-3 limits the first displacement limiting block 4-1-1 and the second It is attached to the displacement limiting block 4-2-1 and is coaxial with the second hinge 4-6.

In a preferred embodiment, the first hinge 4-3 and the second hinge 4-6 both have an engagement rotation structure, and the engagement rotation structure is connected to the rotation shaft 4-3-1 and the C-shaped sleeve 4-3. -2, the rotating shaft 4-3-1 can be engaged with the C-shaped sleeve 4-3-2 via a notch in the C-shaped sleeve 4-3-2, and 4-3-1 is rotatably provided with respect to the C-shaped sleeve 4-3-2, and by employing this engagement rotation structure, installation is very convenient.

The sliding contact device has a slide block 4-7-2 that slides in accordance with a sliding groove 4-7-1 provided on a corresponding inner rotating plate and a sliding groove on a corresponding outer rotating plate. Be prepared. The sliding groove may be a dovetail groove, a T-shaped groove, or the like.

A third displacement limiting block 4-4-1 protruding outward is provided at an end of the first inner rotating plate 4-4 remote from the first outer rotating plate 4-1, and a third displacement limiting block 4-4-1 is provided at an end of the first inner rotating plate 4-4 that is remote from the first outer rotating plate 4-1. A fourth displacement limiting block 4-5-1 is provided at an end remote from the second outer rotating plate 4-2 and projects outward. The purpose of installing the third displacement limiting block and the fourth displacement limiting block is to limit one end of the outer rotary plate, so that both ends of the hinge assembly have displacement limiting members.

Compared with Example 6.1, this example has at least the following advantages, the hinge assembly of this example is more convenient to manufacture and has better flexibility and stability.

(Example 7.1)
As shown in FIGS. 21 to 24, this embodiment discloses an extendable storage box with a folding structure for easy storage and transportation when not in use, and there are four sets of extendable storage boxes. A box body having a storage space in which a side telescoping assembly and at least one set of bottom telescoping assemblies are joined;
Each set of the side telescoping assemblies includes a first side telescoping plate assembly 1-1 consisting of two movable panels slidably fitted to each other;
one side edge of the bottom telescoping assembly is hinged to a lower portion of a pair of side telescoping assemblies;
Among the four sets of side telescoping assemblies, one set of opposing double-side telescoping assemblies is assembled to form an inversion unit 3-21, and another set of opposing double-side telescoping assemblies is assembled. to form an inward folding unit 3-22,
The reversing unit 3-21 also includes an inverting crossbar 3-211 provided above the side telescoping assembly, and the upper part of the side telescoping assembly is rotatably connected to the reversing crossbar 3-211, so that the reversing side Both ends of the rod 3-211 are fixed to corresponding side telescoping assemblies in the folding units 3-22 on both sides,
The side telescoping assembly in the infolding unit 3-22 is comprised of an upper infolding subunit 3-221 and a lower infolding subunit 3-222, the upper part of which is hinged to the upper infolding subunit 3-221. The lower portion of the lower infold subunit 3-222 is hinged to the bottom telescoping assembly.

In this embodiment, in order for the upper inward folding subunit 3-221 and the lower inward folding subunit 3-222 to be folded while realizing normal sliding, the vertical guide rail between them must be folded in the middle. Note that the part needs to be able to bend in order to fulfill the above function.

(Example 7.2)
As shown in FIGS. 25-28, in another approximate example, another expandable storage box embodiment is disclosed, which expands and contracts in the length, width, and height directions. Specifically, the differences from the above-mentioned embodiments are as follows.
Each set of said side telescoping assemblies also includes a second side telescoping plate assembly 1-2 consisting of two movable panels slidably fitted into each other, the second side telescoping plate assembly 1-2 and The first side extensible plate assembly 1-1 is slidably fitted into each other.

(Example 8.1)
As shown in FIGS. 29 to 32, this embodiment discloses an extendable storage box with a folding structure for easy storage and transportation when not in use, and there are four sets of extendable storage boxes. A box body having a storage space in which a side telescoping assembly and at least one set of bottom telescoping assemblies are joined;
Each set of the side telescoping assemblies includes a first side telescoping plate assembly 1-1 consisting of two movable panels slidably fitted to each other;
one side edge of the bottom telescoping assembly is hinged to a lower portion of a pair of side telescoping assemblies;
The four sets of side telescoping assemblies are formed by assembling two adjacent sets of side telescoping assemblies in pairs to form two folding units 3-31. A horizontal folding evacuation plate 3-311 for retracting the thickness of the folded rear side telescoping assembly is provided between the telescoping assemblies, and one side edge of the horizontal folding evacuation plate 3-311 is connected to one set of the horizontal folding evacuation plates 3-311. A side telescoping assembly is secured to the side telescoping assembly, and the other side edge is hinged to another set of side telescoping assemblies.

(Example 8.2)
As shown in FIGS. 33-36, in another approximate example, another extendable storage box embodiment is disclosed, which extends and contracts in the length, width, and height directions. Specifically, the differences from the above-mentioned embodiments are as follows.
Each set of said side telescoping assemblies also includes a second side telescoping plate assembly 1-2 consisting of two movable panels slidably fitted into each other, the second side telescoping plate assembly 1-2 and The first side extensible plate assembly 1-1 is slidably fitted into each other.

(Example 9)
Referring to FIG. 37, the difference from Example 8 is that the bottom telescopic assembly in this example is designed as a double-sided inverted structure, so it can be easily opened and folded.

In the present invention, as an advantage of adopting the hinge assembly (4) structure, the first slide rail (4-61) and the first slide block (4-62), the second slide rail (4-71) and the The sliding structure consisting of two slide blocks (4-72) has a first outer rotating plate (4-1), a second outer rotating plate (4-2), and a first inner rotating plate, whether in the folded or unfolded state. It can be slid telescopically between the plate (4-4) and the second inner rotating plate (4-5), and the first slide rail (4-61) and the second slide rail (4-71) ) exerts a displacement limiting effect, and in combination with the arcuate elastic connector (4-3), adjusts the displacement between the inner and outer two-layer plates that may occur during the folding process, and adjusts the displacement in the folding direction. It is ensured that the sliding directions are always perpendicular to each other, and the stability of the side wall and bottom plate of the present invention and the folding structure between each side wall is greatly improved. By ensuring that the edges of the laminates are always aligned without interference, whether open or folded, each side wall and bottom plate can be pushed and pulled smoothly to expand and contract in both the open and folded positions. do. At the same time, in order to achieve the above expansion and contraction smoothly, when connecting each side wall and the bottom plate and the edges of the inner and outer two-layer plates between each side wall with hinges, the inner layer plate, the inner layer plate, and the outer layer are placed close to each other. The best connection method is to provide a hinge structure between the plate and the outer plate.

As used herein, the term "hinge connection" is used only to describe a connection relationship between objects and, therefore, features identified as "hinge connection" include explicit or implied Various embodiments may be included, such as a folded connection, a hinged connection, a hinged connection, and the like.

In addition, although the corrugated cross-sectional structure is illustrated in the corresponding drawings of the telescopic corrugated plate mentioned in the examples, those skilled in the art can modify the corrugation to a rectangular, V-shaped, trapezoidal, or a combination of these shapes. Such modifications can be easily conceived, and such modifications are included within the protection scope of the present invention.

Although the above-mentioned embodiments are preferred embodiments of the present invention, the embodiments of the present invention are not limited to the above-mentioned embodiments, and may be made without departing from the spirit, essence, and principle of the present invention. Other modifications, embellishments, substitutions, combinations, and simplifications are equivalent substitutions and fall within the protection scope of the present invention. Regarding the various telescopic structures adopted in this application, the two telescopic fitting materials can maintain a constant frictional force while sliding against each other, and a locking effect is formed, resulting in a constant spatial shape and size of the box body. It will be understood by those skilled in the art that suitable damping elements need to be provided between them to maintain the same.

1-1 First side telescopic plate assembly 1-2 Second side telescopic plate assembly 2-1 First bottom telescopic plate assembly 2-21 Second bottom telescopic plate assembly 2-22 First bottom telescopic corrugated plate 2 -23 Second bottom elastic corrugated plate 2-31 First bottom substrate 2-32 Third bottom elastic corrugated plate 2-33 Fourth bottom elastic corrugated plate 2-34 Fifth bottom elastic corrugated plate 2-41 Sixth bottom elastic corrugated plate Board 2-42 7th bottom expandable corrugated plate 2-51 2nd bottom board 3-11 1st folding unit 3-12 2nd folding unit 3-121 Vertical folding evacuation plate 3-21 Reversing unit 3-211 Reversing side Rod 3-22 Inward folding unit 3-221 Upper inward folding subunit 3-222 Lower inward folding subunit 3-31 Folding unit 3-311 Horizontal folding evacuation plate 4-1 First outer rotating plate 4-2 Second outer rotating plate Plate 4-3 Arc-shaped elastic connection body 4-4 First inner rotating plate 4-5 Second inner rotating plate 4-61 First slide rail 4-62 First slide block 4-71 Second slide rail 4-72 2 slide block

Claims (27)

It is an expandable storage box,
It is a box body having a housing space in which four sets of side telescoping assemblies and at least one bottom telescoping assembly are joined, and each set of the side telescoping assemblies includes two panels slidably fitted into each other. a first side telescoping plate assembly (1-1) consisting of movable panels; one side edge of the bottom telescoping assembly is hinged to the lower part of one set of the side telescoping assemblies; Among the side telescoping assemblies, two opposing sets of the side telescoping assemblies are assembled to form a first folding unit (3-11), and the other two opposing sets of the side telescoping assemblies are assembled to form a first folding unit (3-11). forming a two-fold unit (3-12), the lower part of the side telescoping assembly in the first folding unit (3-11) being hinged to the bottom telescoping assembly; The units (3-12) are respectively provided below the side expansion and contraction assemblies inside each of the second folding units (3-12), and are folded and then folded over the first folding units (3-11). ) is also provided with two vertical folding retraction plates (3-121) for retracting the thickness of the side telescoping assembly, and the lower part of the vertical folding retraction plate (3-121) is fixed to the bottom telescoping assembly. an extendable storage box, wherein an upper part of the vertical folding retraction plate (3-121) is hinged to a lower part of the side telescoping assembly on the corresponding side. Each set of the side telescoping assemblies also includes a second side telescoping plate assembly (1-2) consisting of the two movable panels slidably fitted to each other; The expandable storage box according to claim 1, wherein the first side expandable plate assembly (1-2) and the first side expandable plate assembly (1-1) are slidably fitted into each other. Each set of the bottom telescopic assembly includes two sets of first bottom telescopic plate assemblies (2-1) that are slidably fitted into each other, and the first bottom telescopic plate assemblies (2-1) 3. The expandable and retractable storage box according to claim 1, wherein said movable panel is comprised of two said movable panels that are slidably fitted into each other. Each set of the bottom telescoping assembly includes two sets of second bottom telescoping plate assemblies (2-21) and a first The second bottom elastic plate assembly (2-21) is composed of the two movable panels slidably fitted to each other, and the second bottom elastic plate assembly (2-21) is composed of the two movable panels slidably fitted to each other, The connecting telescopic assembly is composed of a first bottom telescopic corrugated plate (2-22) and a second bottom telescopic corrugated plate (2-23) which are slidably fitted into each other, and the first bottom telescopic corrugated plate (2-22) and the second bottom elastic corrugated plate (2-23) are perpendicular to the respective expansion/contraction directions, and the second bottom elastic corrugated plate assembly (2-21) 3. The expandable and retractable material according to claim 1 or 2, wherein the direction of expansion and contraction of is the same as the sliding direction between the first elastic corrugated bottom plate (2-22) and the second elastic corrugated bottom plate (2-23). storage box. Each set of said bottom telescoping assemblies is comprised of two sets of bottom telescoping subassemblies and a second bottom corrugated connection telescoping assembly provided between the two sets of said bottom telescoping subassemblies, The bottom expansion/contraction subassembly includes two symmetrically arranged first bottom substrates (2-31) and a third bottom expansion/contraction subassembly connected between the two first bottom substrates (2-31). a corrugated plate (2-32), and the second bottom corrugated connection telescopic assembly includes a fourth bottom corrugated plate (2-33) and a fifth bottom corrugated plate (2-33), which are slidably fitted into each other. 2-34), and two sides of the fourth bottom elastic corrugated plate (2-33) and the fifth bottom elastic corrugated plate (2-34) are connected to the corresponding first bottom substrate (2-34). -31), and the sliding direction between the fourth bottom elastic corrugated plate (2-33) and the fifth bottom elastic corrugated plate (2-34) is the same as the respective elastic direction. The extendable storage box according to claim 1 or 2, which are perpendicular to each other. Each set of the bottom telescopic assembly is composed of a sixth bottom telescopic corrugated plate (2-41) and a seventh bottom telescopic corrugated plate (2-42) that are slidably fitted into each other, and the sixth bottom The extensible storage box according to claim 1 or 2, wherein a sliding direction between the extensible corrugated plate (2-41) and the seventh bottom extensible corrugated plate (2-42) is orthogonal to each expansion/contraction direction. Each set of the bottom expansion and contraction assembly is composed of four second bottom substrates (2-51), and one side of each second bottom substrate (2-51) is connected to the side expansion and contraction assembly at the corresponding position. The extendable storage box according to claim 1 or 2, which is foldably connected to the bottom of the assembly. between the two adjacent sets of side telescoping assemblies, between the lower part of the side telescoping assembly and the bottom telescoping assembly, and on the side corresponding to the upper part of the vertical folding evacuation plate (3-121); A hinge assembly is also provided at any position between the lower part of the assembly, and the hinge assembly includes a first outer rotating plate (4-1), a second outer rotating plate (4-2), and a circular The opening of the arcuate elastic connector (4-3) includes an arcuate elastic connector (4-3), a first inner rotating plate (4-4), and a second inner rotary plate (4-5). Both ends of the section are integrally connected to the first outer rotating plate (4-1) and the second outer rotating plate (4-2), respectively, and the first inner rotating plate (4-4) and the second outer rotating plate (4-2) are integrally connected to each other. and an inner rotary plate (4-5) are hingedly connected, and the first inner rotary plate (4-4) is provided corresponding to the inner side of the first outer rotary plate (4-1), A first slide rail (4-61) is provided on one side between the first inner rotating plate (4-4) and the first outer rotating plate (4-1), and the first slide rail (4-61) is provided on the other side. A first slide block (4-62) that fits the rail (4-61) is provided, and the extending direction of the first slide rail (4-61) corresponds to the rotation of the first inner rotating plate (4-4). The second inner rotary plate (4-5) is perpendicular to the direction, and is provided corresponding to the inner side of the second outer rotary plate (4-2), and is opposite to the second inner rotary plate (4-5). A second slide rail (4-71) is provided on one side between the second outer rotating plate (4-2), and a second slide that fits the second slide rail (4-71) is provided on the other side. The extendable storage box according to claim 1 or 2, wherein a block (4-72) is provided, and the extending direction of the second slide rail (4-71) is perpendicular to the rotational direction of the second inner rotating plate. between the two adjacent sets of side telescoping assemblies, between the lower part of the side telescoping assembly and the bottom telescoping assembly, and on the side corresponding to the upper part of the vertical folding evacuation plate (3-121); A hinge assembly is also provided at an arbitrary position between the lower part of the assembly, and the hinge assembly is connected to the first outer rotating plate (4-1) and the second outer rotating plate (4-2). , comprising a first hinge (4-3), the first inner rotating plate (4-4), the second inner rotating plate (4-5), and a second hinge (4-6), The first outer rotary plate (4-1) and the second outer rotary plate (4-2) are hingedly connected via the first hinge (4-3), and the first inner rotary plate (4-4) ) and the second inner rotary plate (4-5) are hingedly connected via the second hinge (4-6), and the first inner rotary plate (4-4) is connected to the first outer rotary plate (4-5). (4-1), and slides in a direction parallel to the central axis of the second hinge (4-6) via a sliding contact device. 4-1), the second inner rotating plate (4-5) is provided corresponding to the inner side of the second outer rotating plate (4-2), and the second inner rotating plate (4-5) is connected to the second outer rotating plate (4-1) through a sliding contact device. It is connected to the second outer rotary plate (4-2) in a sliding manner in a direction parallel to the central axis of the hinge (4-6), and the bottom of the first outer rotary plate (4-1) includes: A first displacement limiting block (4-1-1) is provided that protrudes in a direction approaching the first inner rotating plate (4-4), and the first displacement limiting block (4-1-1) A second displacement plate is provided at the bottom of the second outer rotary plate (4-2) that limits one end of the inner rotary plate (4-4) and protrudes in a direction approaching the second inner rotary plate (4-5). A restriction block (4-2-1) is provided, and the second displacement restriction block (4-2-1) restricts one end of the second inner rotary plate (4-5) and the first hinge (4-2-1). -3) is attached to the first displacement limiting block (4-1-1) and the second displacement limiting block (4-2-1), and is coaxial with the second hinge (4-6). The expandable storage box according to item 1 or 2. It is an expandable storage box,
It is a box body having a housing space in which four sets of side telescoping assemblies and at least one bottom telescoping assembly are joined, and each set of the side telescoping assemblies includes two panels slidably fitted into each other. A reversing unit (3-21) is provided by assembling two opposing side telescoping assemblies out of the four sets of side telescoping assemblies (1-1) consisting of a movable panel. ) and assemble another two sets of the side telescopic assemblies facing each other to form an inward folding unit (3-22), and the reversing unit (3-21) is arranged above the side telescopic assemblies. There is also an inverted cross-bar (3-211) provided, the upper part of the side telescoping assembly being rotatably connected to the inverted cross-bar (3-211), and both ends of the inverted cross-bar (3-211) The lateral telescoping assemblies in the infolding units (3-22) on corresponding sides are fixed to the side telescoping assemblies in the infolding units (3-22), and the lateral telescoping assemblies in the infolding units (3-22) are connected to the upper infolding subunits (3-22). -221) and a lower infolding subunit (3-222) whose upper part is hinged to the upper infolding subunit (3-221), The expandable storage box is hinged to the bottom expandable assembly. Each set of the side telescoping assemblies also includes a second side telescoping plate assembly (1-2) consisting of the two movable panels slidably fitted to each other; The expandable storage box according to claim 10, wherein (1-2) and the first side expandable plate assembly (1-1) are slidably fitted to each other. Each set of the bottom telescopic assembly includes two sets of first bottom telescopic plate assemblies (2-1) that are slidably fitted into each other, and the first bottom telescopic plate assemblies (2-1) 12. The expandable and retractable storage box according to claim 10 or 11, wherein said movable panel is comprised of two said movable panels that are slidably fitted into each other. Each set of the bottom telescopic assembly includes two sets of second bottom telescopic plate assemblies (2-21) and a first bottom face provided between the two sets of the second bottom telescopic plate assemblies (2-21). The second bottom telescopic plate assembly (2-21) is comprised of the two movable panels that are slidably fitted to each other, and the first bottom corrugated joint The telescopic assembly is composed of a first bottom telescopic corrugated plate (2-22) and a second bottom telescopic corrugated plate (2-23) which are slidably fitted into each other, and the first bottom telescopic corrugated plate (2-23) is slidably fitted into each other. The sliding direction between the second bottom elastic corrugated plate (2-22) and the second bottom elastic corrugated plate (2-23) is perpendicular to the respective expansion and contraction directions, and the sliding direction between the second bottom elastic corrugated plate assembly (2-21) 12. The stretchable material according to claim 10 or 11, wherein the stretching direction is the same as the sliding direction between the first bottom stretchable corrugated plate (2-22) and the second bottom stretchable corrugated plate (2-23). Storage box. Each set of said bottom telescoping assemblies is comprised of two sets of bottom telescoping subassemblies and a second bottom corrugated connection telescoping assembly provided between the two sets of said bottom telescoping subassemblies, The bottom expansion/contraction subassembly includes two symmetrically arranged first bottom substrates (2-31) and a third bottom expansion/contraction subassembly connected between the two first bottom substrates (2-31). a corrugated plate (2-32), and the second bottom corrugated connection telescopic assembly includes a fourth bottom corrugated plate (2-33) and a fifth bottom corrugated plate (2-33), which are slidably fitted into each other. 2-34), and two sides of the fourth bottom elastic corrugated plate (2-33) and the fifth bottom elastic corrugated plate (2-34) are connected to the corresponding first bottom substrate (2-34). -31), and the sliding direction between the fourth bottom elastic corrugated plate (2-33) and the fifth bottom elastic corrugated plate (2-34) is the same as the respective elastic direction. The extendable storage box according to claim 10 or 11, which are perpendicular to each other. Each set of the bottom telescopic assembly is composed of a sixth bottom telescopic corrugated plate (2-41) and a seventh bottom telescopic corrugated plate (2-42) that are slidably fitted into each other, and the sixth bottom The expandable storage box according to claim 10 or 11, wherein the sliding direction between the expandable corrugated plate (2-41) and the seventh bottom expandable corrugated plate (2-42) is perpendicular to the respective expansion and contraction directions. Each set of the bottom telescoping assembly is composed of four second bottom substrates, and one side of each of the second bottom substrates can be folded over the bottom of the side telescoping assembly at the corresponding position. The extendable storage box according to claim 10 or 11, which is connected. One side edge of the bottom telescoping assembly and a pair of lower portions of the side telescoping assembly are connected by a hinge assembly, and the hinge assembly includes a first outer rotary plate (4-1) and a second outer rotating plate (4-1). The arc-shaped Both ends of the opening of the elastic connector (4-3) are integrally connected to the first outer rotating plate (4-1) and the second outer rotating plate (4-2), respectively, and the first inner rotating plate A hinge is connected between the plate (4-4) and the second inner rotating plate (4-5), and the first inner rotating plate (4-4) is connected to the first outer rotating plate (4-1). ), and a first slide rail (4-61) is provided on one side between the first inner rotating plate (4-4) and the first outer rotating plate (4-1). A first slide block (4-62) that fits the first slide rail (4-61) is provided on the other side, and the extending direction of the first slide rail (4-61) is the same as the first slide block (4-62). The second inner rotary plate (4-5) is perpendicular to the rotational direction of the inner rotary plate (4-4), and is provided corresponding to the inner side of the second outer rotary plate (4-2). A second slide rail (4-71) is provided on one side between the second inner rotating plate (4-5) and the second outer rotating plate (4-2), and the second slide rail (4-71) is provided on the other side. 11. A second slide block (4-72) adapted to the second slide rail (4-71) is provided, and the extending direction of the second slide rail (4-71) is orthogonal to the rotational direction of the second inner rotating plate. 11. The expandable storage box described in 11. One side edge of the bottom telescoping assembly and a pair of lower portions of the side telescoping assembly are connected by a hinge assembly, and the hinge assembly is connected to the first outer rotating plate (4-1) and the first outer rotating plate (4-1). 2 outer rotating plate (4-2), a first hinge (4-3), the first inner rotating plate (4-4), the second inner rotating plate (4-5), and a second hinge (4-6), the first outer rotating plate (4-1) and the second outer rotating plate (4-2) are hingedly connected via the first hinge (4-3), The first inner rotary plate (4-4) and the second inner rotary plate (4-5) are hingedly connected via the second hinge (4-6), and the first inner rotary plate (4-5) is hinged to each other via the second hinge (4-6). 4) is provided corresponding to the inner side of the first outer rotating plate (4-1) and slides in a direction parallel to the central axis of the second hinge (4-6) via a sliding contact device. The second inner rotating plate (4-5) is connected to the first outer rotating plate (4-1) in a manner that corresponds to the inner side of the second outer rotating plate (4-2). , connected to the second outer rotating plate (4-2) in a sliding manner in a direction parallel to the central axis of the second hinge (4-6) through a sliding contact device, and the first outer rotating plate A first displacement limiting block (4-1-1) that protrudes in a direction approaching the first inner rotary plate (4-4) is provided at the bottom of the first displacement limiting block (4-1). 4-1-1) limits one end of the first inner rotating plate (4-4), and the second inner rotating plate (4-5) is attached to the bottom of the second outer rotating plate (4-2). ), and the second displacement limiting block (4-2-1) is provided at one end of the second inner rotating plate (4-5). The first hinge (4-3) is attached to the first displacement limiting block (4-1-1) and the second displacement limiting block (4-2-1), and the second hinge The expandable storage box according to claim 10 or 11, which is coaxial with (4-6). It is an expandable storage box,
It is a box body having a housing space in which four sets of side telescoping assemblies and at least one bottom telescoping assembly are joined, and each set of the side telescoping assemblies includes two panels slidably fitted into each other. a first side telescoping plate assembly (1-1) consisting of a movable panel, one side edge of the bottom telescoping assembly being hinged to a lower part of the set of the bottom telescoping assemblies; The assembly consists of two pieces joined together, with opposing side edges on the bottom telescoping assembly being hinged to the lower portions of the two opposing side telescoping assemblies, respectively, and four sets of the lateral telescoping assemblies. The three-dimensional structure includes two sets of folding units (3-31) formed by assembling two sets of adjacent side telescoping assemblies in pairs, and two sets of the side faces inside each folding unit (3-31). A horizontal folding retraction plate (3-311) for retracting the thickness of the side telescopic assembly after folding is provided between the telescopic assemblies, and one side edge of the horizontal folding retraction plate (3-311) is provided. is fixed to one set of said side telescoping assemblies, and the other side edge is hinged to another set of said side telescoping assemblies. Each set of the side telescoping assemblies also includes a second side telescoping plate assembly (1-2) consisting of the two movable panels slidably fitted to each other; The extensible storage box according to claim 19, wherein (1-2) and the first side extensible plate assembly (1-1) are slidably fitted to each other. Each set of the bottom telescopic assembly includes two sets of first bottom telescopic plate assemblies (2-1) that are slidably fitted into each other, and the first bottom telescopic plate assemblies (2-1) 21. The extendable storage box according to claim 19 or 20, wherein said movable panel is comprised of two said movable panels that are slidably fitted into each other. Each set of the bottom telescopic assembly includes two sets of second bottom telescopic plate assemblies (2-21) and a first bottom face provided between the two sets of the second bottom telescopic plate assemblies (2-21). The second bottom telescopic plate assembly (2-21) is comprised of the two movable panels that are slidably fitted to each other, and the first bottom corrugated joint The telescopic assembly is composed of a first bottom telescopic corrugated plate (2-22) and a second bottom telescopic corrugated plate (2-23) which are slidably fitted into each other, and the first bottom telescopic corrugated plate (2-23) is slidably fitted into each other. The sliding direction between the second bottom elastic corrugated plate (2-22) and the second bottom elastic corrugated plate (2-23) is perpendicular to the respective expansion and contraction directions, and the sliding direction between the second bottom elastic corrugated plate assembly (2-21) 21. The stretchable material according to claim 19 or 20, wherein the stretching direction is the same as the sliding direction between the first bottom stretchable corrugated plate (2-22) and the second bottom stretchable corrugated plate (2-23). Storage box. Each set of said bottom telescoping assemblies is comprised of two sets of bottom telescoping subassemblies and a second bottom corrugated connection telescoping assembly provided between the two sets of said bottom telescoping subassemblies, The bottom expansion/contraction subassembly includes two symmetrically arranged first bottom substrates (2-31) and a third bottom expansion/contraction subassembly connected between the two first bottom substrates (2-31). a corrugated plate (2-32), and the second bottom corrugated connection telescopic assembly includes a fourth bottom corrugated plate (2-33) and a fifth bottom corrugated plate (2-33), which are slidably fitted into each other. 2-34), and two sides of the fourth bottom elastic corrugated plate (2-33) and the fifth bottom elastic corrugated plate (2-34) are connected to the corresponding first bottom substrate (2-34). -31), and the sliding direction between the fourth bottom elastic corrugated plate (2-33) and the fifth bottom elastic corrugated plate (2-34) is the same as the respective elastic direction. The extendable storage box according to claim 19 or 20, which are perpendicular to each other. Each set of the bottom telescopic assembly is composed of a sixth bottom telescopic corrugated plate (2-41) and a seventh bottom telescopic corrugated plate (2-42) that are slidably fitted into each other, and the sixth bottom The expandable storage box according to claim 19 or 20, wherein the sliding direction between the expandable corrugated plate (2-41) and the seventh bottom expandable corrugated plate (2-42) is perpendicular to the respective expansion and contraction directions. Each set of the bottom expansion and contraction assembly is composed of four second bottom substrates (2-51), and one side of each second bottom substrate (2-51) is connected to the side expansion and contraction assembly at the corresponding position. 21. An extendable storage box according to claim 19 or 20, each of which is foldably connected to the bottom of the assembly. One side edge of the bottom telescoping assembly and a pair of lower portions of the side telescoping assembly are connected by a hinge assembly, and the hinge assembly includes a first outer rotary plate (4-1) and a second outer rotating plate (4-1). The arc-shaped Both ends of the opening of the elastic connector (4-3) are integrally connected to the first outer rotating plate (4-1) and the second outer rotating plate (4-2), respectively, and the first inner rotating plate A hinge is connected between the plate (4-4) and the second inner rotating plate (4-5), and the first inner rotating plate (4-4) is connected to the first outer rotating plate (4-1). ), and a first slide rail (4-61) is provided on one side between the first inner rotating plate (4-4) and the first outer rotating plate (4-1). A first slide block (4-62) that fits the first slide rail (4-61) is provided on the other side, and the extending direction of the first slide rail (4-61) is the same as the first slide block (4-62). The second inner rotary plate (4-5) is perpendicular to the rotational direction of the inner rotary plate (4-4), and is provided corresponding to the inner side of the second outer rotary plate (4-2). A second slide rail (4-71) is provided on one side between the second inner rotating plate (4-5) and the second outer rotating plate (4-2), and the second slide rail (4-71) is provided on the other side. 19. A second slide block (4-72) adapted to the second slide rail (4-71) is provided, and the extending direction of the second slide rail (4-71) is orthogonal to the rotational direction of the second inner rotating plate. 20. The expandable storage box according to item 20. One side edge of the bottom telescoping assembly and a pair of lower portions of the side telescoping assembly are connected by a hinge assembly, and the hinge assembly is connected to the first outer rotating plate (4-1) and the first outer rotating plate (4-1). 2 outer rotating plate (4-2), a first hinge (4-3), the first inner rotating plate (4-4), the second inner rotating plate (4-5), and a second hinge (4-6), the first outer rotating plate (4-1) and the second outer rotating plate (4-2) are hingedly connected via the first hinge (4-3), The first inner rotary plate (4-4) and the second inner rotary plate (4-5) are hingedly connected via the second hinge (4-6), and the first inner rotary plate (4-5) is hinged to each other via the second hinge (4-6). 4) is provided corresponding to the inner side of the first outer rotating plate (4-1) and slides in a direction parallel to the central axis of the second hinge (4-6) via a sliding contact device. The second inner rotating plate (4-5) is connected to the first outer rotating plate (4-1) in a manner that corresponds to the inner side of the second outer rotating plate (4-2). , connected to the second outer rotating plate (4-2) in a sliding manner in a direction parallel to the central axis of the second hinge (4-6) through a sliding contact device, and the first outer rotating plate A first displacement limiting block (4-1-1) that protrudes in a direction approaching the first inner rotary plate (4-4) is provided at the bottom of the first displacement limiting block (4-1). 4-1-1) limits one end of the first inner rotating plate (4-4), and the second inner rotating plate (4-5) is attached to the bottom of the second outer rotating plate (4-2). ), and the second displacement limiting block (4-2-1) is provided at one end of the second inner rotating plate (4-5). The first hinge (4-3) is attached to the first displacement limiting block (4-1-1) and the second displacement limiting block (4-2-1), and the second hinge The expandable storage box according to claim 19 or 20, which is coaxial with (4-6).

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