CN220282053U - Telescopic storage box and hinge assembly - Google Patents

Abstract

The utility model relates to the field of article storage equipment, in particular to a telescopic storage box and a hinge assembly. The telescopic storage box is a box body with an accommodating space, which is formed by connecting and splicing four groups of side telescopic assemblies and at least one group of bottom telescopic assemblies; each group of side expansion assemblies comprises a first side expansion plate assembly consisting of two movable panels which are in sliding sleeve joint with each other; the edge of one side of the bottom surface telescopic component is hinged with the lower part of one group of side surface telescopic components; and a hinge assembly is further arranged at any position between two adjacent groups of side telescopic assemblies and between the lower part of the side telescopic assemblies and the bottom telescopic assembly. The utility model enables better folding with dimensional space adjustment.

Description

Telescopic storage box and hinge assembly

Technical Field

The utility model relates to the field of article storage equipment, in particular to a telescopic storage box and a hinge assembly.

Background

The storage box is also commonly called a storage box, a sorting box and a storage box. The storage box is made of various materials, such as plastic, cloth, paper, metal, wood, etc.

In order to increase the applicability of the storage box, the storage box in the prior art is also improved to a certain extent, and various storage space sizes can be adjusted, and a common feature of the storage box of this type is that the side surface of the storage box is changed by sleeving and folding the panel in order to realize the size change, however, the existing storage box of this type lacks a folding design, so that the storage space is relatively occupied when the storage box is not used.

Disclosure of Invention

Aiming at the technical problems existing in the prior art, the utility model aims at: a collapsible bin and hinge assembly are provided that enable folding while enabling dimensional space adjustment.

In order to achieve the above purpose, the present utility model adopts one of the following technical schemes: a telescopic storage box is a box body which is formed by connecting and splicing four groups of side telescopic components and at least one group of bottom telescopic components and has an accommodating space; each group of side expansion assemblies comprises a first side expansion plate assembly consisting of two movable panels which are in sliding sleeve joint with each other; the edge of one side of the bottom surface telescopic component is hinged with the lower part of one group of side surface telescopic components; the four sets of side telescopic assemblies are combined by two sets of opposite side telescopic assemblies to form a first folding unit, and the other two sets of opposite side telescopic assemblies are combined to form a second folding unit; the lower part of the side telescopic assembly in the first folding unit is hinged with the bottom telescopic assembly; the second turns over the board of dodging of rolling over after turning over is dodged to the first folding unit side flexible subassembly thickness that turns over after setting up respectively in each second folding unit inside side flexible subassembly below, and the vertical folding lower part and the flexible subassembly fixed connection of bottom surface of dodging of board are dodged in the vertical folding, and the upper portion of dodging the board is articulated each other with the lower part of the flexible subassembly of side of corresponding side.

Further, each group of the side expansion assembly further comprises a second side expansion plate assembly formed by two movable panels which are in sliding sleeve joint with each other; the second side expansion plate component and the first side expansion plate component are in sliding sleeve joint with each other.

Further, each group of bottom expansion assembly consists of two groups of first bottom expansion plate assemblies which are in sliding sleeve joint with each other; the first bottom expansion board component consists of two movable panels which are in sliding sleeve joint with each other.

Further, each group of bottom expansion assembly consists of two groups of second bottom expansion plate assemblies and a first bottom corrugated connection expansion assembly connected between the two groups of second bottom expansion plate assemblies; the second bottom expansion board assembly consists of two movable panels which are in sliding sleeve joint with each other; the first bottom surface corrugated connection telescopic assembly consists of a first bottom surface corrugated telescopic plate and a second bottom surface corrugated telescopic plate which are in sliding sleeve joint with each other; the sliding direction between the first bottom corrugated expansion plate and the second bottom corrugated expansion plate is mutually perpendicular to the respective expansion direction, and the expansion direction of the second bottom expansion plate assembly is the same as the sliding direction between the first bottom corrugated expansion plate and the second bottom corrugated expansion plate.

Further, each group of bottom surface telescopic assemblies consists of two groups of bottom surface telescopic subassemblies and a second bottom surface corrugated connection telescopic assembly arranged between the two groups of bottom surface telescopic subassemblies; each group of bottom surface expansion sub-assemblies comprises two first bottom surface base plates which are symmetrically arranged and a third bottom surface corrugated expansion plate which is connected and arranged between the two first bottom surface base plates; the second bottom surface corrugated connection expansion assembly consists of a fourth bottom surface corrugated expansion plate and a fifth bottom surface corrugated expansion plate which are in sliding sleeve joint with each other, two side edges of the fourth bottom surface corrugated expansion plate and the fifth bottom surface corrugated expansion plate are respectively connected with the corresponding side edge of the first bottom surface base plate, and the sliding direction between the fourth bottom surface corrugated expansion plate and the fifth bottom surface corrugated expansion plate is mutually perpendicular to the respective expansion direction.

Further, each group of bottom surface expansion assembly consists of a sixth bottom surface corrugated expansion plate and a seventh bottom surface corrugated expansion plate which are in sliding sleeve joint with each other, and the sliding direction between the sixth bottom surface corrugated expansion plate and the seventh bottom surface corrugated expansion plate is mutually perpendicular to the respective expansion direction.

Further, each group of the bottom surface telescopic assemblies consists of four second bottom surface base plates, and one side edge of each second bottom surface base plate is respectively and reversibly connected to the bottom of the corresponding side surface telescopic assembly.

Further, hinge assemblies are further arranged at any position between two adjacent groups of side telescopic assemblies, between the lower parts of the side telescopic assemblies and the bottom telescopic assemblies, and between the upper parts of the vertical folding avoidance plates and the lower parts of the side telescopic assemblies at the corresponding sides; the hinge assembly comprises a first outer rotating plate, a second outer rotating plate, an arc-shaped elastic connecting piece, a first inner rotating plate and a second inner rotating plate; the two ends of the opening of the arc elastic connecting piece are respectively connected with the first outer rotating plate and the second outer rotating plate in an integral way, and the first inner rotating plate and the second inner rotating plate are mutually hinged; the first inner rotating plate is correspondingly arranged on the inner side of the first outer rotating plate, a first sliding rail is arranged between the first inner rotating plate and the first outer rotating plate on one side, a first sliding block matched with the first sliding rail is arranged on the other side, and the extending direction of the first sliding rail is perpendicular to the rotating direction of the first inner rotating plate; the second inner rotating plate is correspondingly arranged on the inner side of the second outer rotating plate, a second sliding rail is arranged on one side between the second inner rotating plate and the second outer rotating plate, a second sliding block matched with the second sliding rail is arranged on the other side, and the extending direction of the second sliding rail is perpendicular to the rotating direction of the second inner rotating plate.

In order to achieve the above object as well, the present utility model may also adopt a second technical scheme of different folding modes as follows: a telescopic storage box is a box body which is formed by connecting and splicing four groups of side telescopic components and at least one group of bottom telescopic components and has an accommodating space; each group of side expansion assemblies comprises a first side expansion plate assembly consisting of two movable panels which are in sliding sleeve joint with each other; the four sets of side telescopic assemblies are formed by combining two opposite sets of side telescopic assemblies, so that a turnover unit is formed, and the other two opposite sets of side telescopic assemblies are formed by combining an inward folding unit; the overturning unit further comprises an overturning cross beam arranged above the side telescopic assembly, the upper part of the side telescopic assembly is rotationally connected with the overturning cross beam, and two ends of the overturning cross beam are fixedly connected with the side telescopic assemblies in the corresponding two-side inward folding units; the side telescopic assembly in the inner folding unit consists of an upper inner folding sub-unit and a lower inner folding sub-unit, the upper part of the lower inner folding sub-unit is hinged with the upper inner folding sub-unit, and the lower part of the lower inner folding sub-unit is hinged with the bottom telescopic assembly.

In order to achieve the above object as well, the present utility model can also adopt a third technical scheme of different folding modes as follows: a telescopic storage box is a box body which is formed by connecting and splicing four groups of side telescopic components and at least one group of bottom telescopic components and has an accommodating space; each group of side expansion assemblies comprises a first side expansion plate assembly consisting of two movable panels which are in sliding sleeve joint with each other; the edge of one side of the bottom surface telescopic component is hinged with the lower part of one group of side surface telescopic components; or the bottom surface telescopic assembly is formed by splicing two pieces, and two opposite side edges on the bottom surface telescopic assembly are respectively hinged with the lower parts of two groups of opposite side telescopic assemblies; the four groups of side telescopic assemblies are formed by combining two adjacent groups of side telescopic assemblies in pairs to form two groups of folding units; the folding unit comprises a folding unit, wherein a transverse folding avoidance plate used for avoiding the thickness of the side telescopic assemblies after folding is arranged between two groups of side telescopic assemblies inside each group of folding unit, and one side edge of the transverse folding avoidance plate is fixedly connected with one group of side telescopic assemblies while the other side edge is hinged with the other group of side telescopic assemblies.

Meanwhile, the utility model also provides a hinge assembly, and the telescopic storage box can be folded under the condition that the size space can be adjusted by using the hinge assembly. The specific technical scheme is as follows:

the hinge assembly comprises a first outer rotating plate, a second outer rotating plate, an arc-shaped elastic connecting piece, a first inner rotating plate and a second inner rotating plate; the two ends of the opening of the arc elastic connecting piece are respectively connected with the first outer rotating plate and the second outer rotating plate in an integral way, and the first inner rotating plate and the second inner rotating plate are mutually hinged; the first inner rotating plate is correspondingly arranged on the inner side of the first outer rotating plate, a first sliding rail is arranged between the first inner rotating plate and the first outer rotating plate on one side, a first sliding block matched with the first sliding rail is arranged on the other side, and the extending direction of the first sliding rail is perpendicular to the rotating direction of the first inner rotating plate; the second inner rotating plate is correspondingly arranged on the inner side of the second outer rotating plate, a second sliding rail is arranged on one side between the second inner rotating plate and the second outer rotating plate, a second sliding block matched with the second sliding rail is arranged on the other side, and the extending direction of the second sliding rail is perpendicular to the rotating direction of the second inner rotating plate.

In general, the utility model has the following advantages:

1. the main body of the utility model consists of the side telescopic frames and the bottom telescopic frames, and can realize the telescopic change in at least two directions after being enclosed into a box shape because of the telescopic of at least one direction, thereby expanding or shrinking the storage space in the box body so as to adapt to the sizes of various objects, and meanwhile, the folding unit can realize folding while being telescopic, and can save space when not in use;

2. the utility model also designs a special 'joint' structure at the hinge joint of the stacked thicker panels when folding, so that the thicker panels can be folded better.

Drawings

FIG. 1 is a schematic view showing a folded structure of embodiment 1.1;

FIG. 2 is a second schematic structural view of the folded state of embodiment 1.1 of the present utility model;

FIG. 3 is a third schematic structural view showing a folded state of the embodiment 1.1;

FIG. 4 is a fourth schematic structural view showing a folded state of embodiment 1.1 of the present utility model;

FIG. 5 is a schematic structural view showing a folded state of embodiment 1.2 of the present utility model;

FIG. 6 is a second schematic structural view of the folded state of embodiment 1.2 of the present utility model;

FIG. 7 is a third schematic structural view showing a folded state according to embodiment 1.2 of the present utility model;

FIG. 8 is a fourth schematic structural view showing a folded state of embodiment 1.2 of the present utility model;

FIG. 9 is a schematic perspective view of embodiment 2 of the present utility model;

FIG. 10 is a second perspective view of embodiment 2 of the present utility model;

FIG. 11 is a schematic perspective view of embodiment 3 of the present utility model;

FIG. 12 is a second perspective view of embodiment 3 of the present utility model;

FIG. 13 is a schematic perspective view of embodiment 4 of the present utility model;

FIG. 14 is a second perspective view of embodiment 4 of the present utility model;

fig. 15 is a schematic view of the bottom of embodiment 5 of the present utility model when closed;

fig. 16 is a schematic view showing a perspective structure of embodiment 5 of the present utility model with the bottom opened;

fig. 17 is a schematic perspective view of embodiment 6 of the present utility model;

FIG. 18 is a schematic perspective view of a hinge assembly according to embodiment 6 of the present utility model;

FIG. 19 is a second perspective view of the hinge assembly according to embodiment 6 of the present utility model;

FIG. 20 is a third perspective view of the hinge assembly according to embodiment 6 of the present utility model;

FIG. 21 is a schematic view showing a folded state of embodiment 7.1 of the present utility model;

FIG. 22 is a second schematic view of the folded state of embodiment 7.1 of the present utility model;

FIG. 23 is a third schematic view showing a folded state of the embodiment 7.1 of the present utility model;

FIG. 24 is a fourth schematic view showing a folded state of the embodiment 7.1 of the present utility model;

fig. 25 is a schematic structural view showing a folded state of embodiment 7.2 of the present utility model;

FIG. 26 is a second schematic diagram of the folded state of embodiment 7.2 of the present utility model;

FIG. 27 is a third schematic view of the folded state of embodiment 7.2 of the present utility model;

FIG. 28 is a fourth schematic structural view showing a folded state of the embodiment 7.2 of the present utility model;

fig. 29 is a schematic view showing a folded state of embodiment 8.1 of the present utility model;

FIG. 30 is a second schematic view of the folded state of the embodiment 8.1 of the present utility model;

FIG. 31 is a third schematic view showing a folded state of the embodiment 8.1 of the present utility model;

FIG. 32 is a fourth schematic view showing a folded state of the embodiment 8.1 of the present utility model;

FIG. 33 is a schematic view showing a folded state of embodiment 8.2 of the present utility model;

FIG. 34 is a second schematic view of the folded state of embodiment 8.2 of the present utility model;

FIG. 35 is a third schematic view of the folded state of the embodiment 8.2 of the present utility model;

FIG. 36 is a fourth schematic view showing a folded state of the embodiment 8.2 of the present utility model;

FIG. 37 is a schematic view showing a folded state of embodiment 9 of the present utility model;

reference numerals:

1-1 a first side expansion plate assembly and 1-2 a second side expansion plate assembly;

2-1 a first bottom expansion board assembly;

2-21 second bottom surface expansion plate assemblies, 2-22 first bottom surface corrugated expansion plates and 2-23 second bottom surface corrugated expansion plates;

2-31 first bottom base plates, 2-32 third bottom corrugated expansion plates, 2-33 fourth bottom corrugated expansion plates and 2-34 fifth bottom corrugated expansion plates;

2-41 sixth bottom corrugated expansion plates and 2-42 seventh bottom corrugated expansion plates;

2-51 a second base substrate;

3-11 first turnover units, 3-12 second turnover units and 3-121 vertical folding avoidance plates;

3-21 turnover units, 3-211 turnover beams, 3-22 inward folding units, 3-221 upper inward folding subunits and 3-222 lower inward folding subunits;

3-31 folding units and 3-311 transverse folding avoidance plates;

the first outer rotating plate of 4-1, the second outer rotating plate of 4-2, the arc-shaped elastic connecting piece of 4-3, the first inner rotating plate of 4-4, the second inner rotating plate of 4-5, the first sliding rail of 4-61, the first sliding block of 4-62, the second sliding rail of 4-71 and the second sliding block of 4-72.

Detailed Description

The present utility model will be described in further detail below.

Example 1.1:

1-4, the embodiment is a box body with an accommodating space formed by connecting and splicing four groups of side telescopic assemblies and at least one group of bottom telescopic assemblies;

each group of side expansion assembly comprises a first side expansion plate assembly 1-1 formed by two movable panels which are in sliding sleeve joint with each other;

each group of the bottom expansion assembly consists of two groups of first bottom expansion plate assemblies 2-1 which are in sliding sleeve joint with each other.

The edge of one side of the bottom surface telescopic component is hinged with the lower part of one group of side surface telescopic components;

the four sets of side telescopic assemblies are combined by one set of two opposite side telescopic assemblies to form a first folding unit 3-11, and the other set of two opposite side telescopic assemblies are combined to form a second folding unit 3-12;

the lower parts of the side telescopic assemblies in the first folding units 3-11 are hinged with the bottom telescopic assemblies; the second folding units 3-12 further comprise two vertical folding avoidance plates 3-121 which are respectively arranged below the side telescopic assemblies inside the second folding units 3-12 and used for avoiding the thickness of the side telescopic assemblies after folding, the lower parts of the vertical folding avoidance plates 3-121 are fixedly connected with the bottom telescopic assemblies, and the upper parts of the vertical folding avoidance plates 3-121 are mutually hinged with the lower parts of the side telescopic assemblies on the corresponding sides.

The above embodiments disclose a telescopic storage case solution that can be telescopic in length and width, respectively.

Example 1.2

In another similar embodiment, as shown in fig. 5-8, another collapsible bin solution is disclosed in which collapsing is achieved in all of the length, width and height directions, particularly as compared to the previous embodiment:

each group of side expansion assembly further comprises a second side expansion plate assembly 1-2 which consists of two movable panels in sliding sleeve joint with each other; the second side expansion plate component 1-2 is in sliding sleeve joint with the first side expansion plate component 1-1.

Example 2:

as shown in fig. 9 to 10, this embodiment differs from embodiment 1 in that each of the bottom expansion and contraction assemblies is composed of two sets of second bottom expansion and contraction plate assemblies 2 to 21 and a first bottom corrugated connection expansion and contraction assembly provided between the two sets of second bottom expansion and contraction plate assemblies 2 to 21; the first bottom surface corrugated connection expansion assembly consists of a first bottom surface corrugated expansion plate 2-22 and a second bottom surface corrugated expansion plate 2-23 which are in sliding sleeve joint with each other, and the sliding direction between the first bottom surface corrugated expansion plate 2-22 and the second bottom surface corrugated expansion plate 2-23 is mutually perpendicular to the respective expansion direction; the extending and contracting direction of the second bottom surface expansion plate component 2-21 is parallel to the sliding direction between the first bottom surface expansion plate 2-22 and the second bottom surface expansion plate 2-23 inside the first bottom surface corrugated connection expansion component.

Example 3:

11-12, this embodiment differs from embodiment 1 in that each set of the bottom telescoping assemblies is comprised of two sets of bottom telescoping subassemblies and a second bottom corrugated connection telescoping assembly disposed between the two sets of bottom telescoping subassemblies; each group of bottom expansion sub-assemblies comprises two first bottom base plates 2-31 which are symmetrically arranged and a third bottom corrugated expansion plate 2-32 which is connected between the two first bottom base plates 2-31; the second bottom surface corrugated connection expansion assembly consists of a fourth bottom surface corrugated expansion plate 2-33 and a fifth bottom surface corrugated expansion plate 2-34 which are in sliding sleeve joint with each other, and the sliding direction between the fourth bottom surface corrugated expansion plate 2-33 and the fifth bottom surface corrugated expansion plate 2-34 is mutually perpendicular to the respective expansion direction.

Example 4:

as shown in fig. 13 to 14, this embodiment is different from embodiment 1 in that each of the bottom expansion and contraction assemblies is composed of a sixth bottom expansion and contraction plate 2 to 41 and a seventh bottom expansion and contraction plate 2 to 42 which are slidably engaged with each other, and the sliding directions between the sixth bottom expansion and contraction plate 2 to 41 and the seventh bottom expansion and contraction plate 2 to 42 are mutually perpendicular to their respective expansion and contraction directions.

In addition, during the manufacturing process, it should be noted that the sixth bottom corrugated expansion plate 2-41 is on the outer side, the seventh bottom corrugated expansion plate 2-42 has a relative height difference on the inner side, and the first side expansion plate assembly 1-1 and the second side expansion plate assembly 1-2 are obviously also formed by sliding sleeve joint, so that in order to prevent the problem of interference, it should be noted that the first side expansion plate assembly 1-1 on the outer side is fixed with the edge of the sixth bottom corrugated expansion plate 2-41 on the outer side, and the seventh bottom corrugated expansion plate 2-42 on the inner side is fixed with the edge of the second side expansion plate assembly 1-2 on the inner side.

Example 5:

as shown in fig. 15-16, this embodiment is different from embodiment 1 in that each set of the bottom telescopic members is composed of four second bottom base plates 2-51, and one side edge of each second bottom base plate (2-51) is respectively connected with the bottom of the corresponding side telescopic member in a reversible manner.

Example 6:

17-20, the difference between this embodiment and embodiment 1 is that hinge assemblies are provided between the lower part of the side telescopic assembly and the bottom telescopic assembly and between the upper part of the vertical folding avoidance plate 3-121 and the lower part of the side telescopic assembly on the corresponding side;

the hinge assembly comprises a first outer rotating plate 4-1, a second outer rotating plate 4-2, an arc-shaped elastic connecting piece 4-3, a first inner rotating plate 4-4 and a second inner rotating plate 4-5;

the two ends of the opening of the arc elastic connecting piece 4-3 are respectively connected with the first outer rotating plate 4-1 and the second outer rotating plate 4-2 in an integral way, and the first inner rotating plate 4-4 and the second inner rotating plate 4-5 are mutually hinged;

the first inner rotating plate 4-4 is correspondingly arranged on the inner side of the first outer rotating plate 4-1, a first sliding rail 4-61 is arranged between the first inner rotating plate 4-4 and the first outer rotating plate 4-1 on one side, a first sliding block 4-62 matched with the first sliding rail 4-61 is arranged on the other side, and the extending direction of the first sliding rail 4-61 is perpendicular to the rotating direction of the first inner rotating plate 4-4;

the second inner rotating plate 4-5 is correspondingly arranged on the inner side of the second outer rotating plate 4-2, a second sliding rail 4-71 is arranged between the second inner rotating plate 4-5 and the second outer rotating plate 4-2 on one side, a second sliding block 4-72 matched with the second sliding rail 4-71 is arranged on the other side, and the extending direction of the second sliding rail 4-71 is perpendicular to the rotating direction of the second inner rotating plate 4-5.

In the present embodiment, one of the first outer rotating plate 4-1 or the second outer rotating plate 4-2 is integrally connected with the first side expansion plate assembly 1-1 located at the outer side, and the other is integrally connected with the outer side structure of the base plate; correspondingly, one of the first inner rotating plate 4-4 or the second inner rotating plate 4-5 is integrally connected with the second side expansion plate assembly 1-2 positioned at the inner side, and the other is integrally connected with the inner side structure of the base plate.

The first sliding rail 4-61 and the second sliding rail 4-71 can enable the corresponding rotating plates to stretch and slide in an unfolded state, and when the folding structure is folded, the extending directions of the first sliding rail 4-61 and the second sliding rail 4-71 are perpendicular to the rotating directions, so that the limiting effect is achieved, relative displacement between the corresponding two rotating plates is avoided in the folding process, and the stability of the folding structure is greatly improved.

Example 7.1:

as shown in fig. 21-24, the present embodiment discloses a collapsible bin of yet another folding configuration to facilitate storage and transport in a non-use condition: the box body with the accommodating space is formed by connecting and splicing four groups of side telescopic assemblies and at least one group of bottom telescopic assemblies;

each group of side expansion assembly consists of two groups of first side expansion plate assemblies 1-1 which are in sliding sleeve joint with each other;

the edge of one side of the bottom surface telescopic component is hinged with the lower part of one group of side surface telescopic components;

the four sets of side expansion assemblies are combined by one set of two opposite side expansion assemblies to form a turnover unit 3-21, and the other set of two opposite side expansion assemblies are combined to form an inward folding unit 3-22;

the overturning unit 3-21 further comprises an overturning cross beam 3-211 arranged above the side telescopic assembly, the upper part of the side telescopic assembly is rotationally connected with the overturning cross beam 3-211, and two ends of the overturning cross beam 3-211 are fixedly connected with the side telescopic assemblies in the corresponding two-side inward folding units 3-22;

the side expansion components in the inner folding units 3-22 are composed of an upper inner folding subunit 3-221 and a lower inner folding subunit 3-222, wherein the upper part of the lower inner folding subunit 3-222 is hinged with the upper inner folding subunit 3-221, and the lower part of the lower inner folding subunit 3-222 is hinged with the bottom expansion component.

In addition, in the present embodiment, it is also noted that in order to ensure that the upper and lower inner folding sub-units 3 to 221 and 3 to 222 can be folded while achieving normal sliding, the middle broken portion of the vertical guide rail between them needs to be bendable to satisfy the above-described functions.

Example 7.2

In another similar embodiment, as shown in fig. 25-28, another collapsible bin solution is disclosed in which collapsing is achieved in all of the length, width and height directions, particularly as compared to the previous embodiment:

each group of side expansion assembly further comprises a second side expansion plate assembly 1-2 which consists of two movable panels in sliding sleeve joint with each other; the second side expansion plate component 1-2 is in sliding sleeve joint with the first side expansion plate component 1-1.

Example 8.1:

as shown in fig. 29-32, this embodiment discloses a collapsible bin of yet another folding configuration to facilitate storage and transport in a non-use condition: the box body with the accommodating space is formed by connecting and splicing four groups of side telescopic assemblies and at least one group of bottom telescopic assemblies;

each group of side expansion assembly comprises a first side expansion plate assembly 1-1 formed by two movable panels which are in sliding sleeve joint with each other;

the edge of one side of the bottom surface telescopic component is hinged with the lower part of one group of side surface telescopic components;

the four groups of side telescopic assemblies are formed by combining two adjacent groups of side telescopic assemblies in pairs to form two groups of folding units 3-31; a transverse folding avoidance plate 3-311 for avoiding the thickness of the side telescopic assemblies after folding is arranged between two groups of side telescopic assemblies inside each group of folding units 3-31, and one side edge of the transverse folding avoidance plate 3-311 is fixedly connected with one group of side telescopic assemblies and the other side edge is hinged with the other group of side telescopic assemblies.

Example 8.2:

as shown in fig. 33-36, in another similar embodiment, another collapsible bin solution is disclosed in which collapsing is enabled in all of the length, width and height directions, particularly as compared to the previous embodiment:

each group of side expansion assembly further comprises a second side expansion plate assembly 1-2 which consists of two movable panels in sliding sleeve joint with each other; the second side expansion plate component 1-2 is in sliding sleeve joint with the first side expansion plate component 1-1.

Example 9:

referring to fig. 37, the difference from embodiment 8 is that the bottom telescopic assembly of this embodiment is designed as a double-sided flip structure, so as to be opened and folded.

In the utility model, the structure adopting the hinge assembly (4) has the advantages that: because the sliding structure formed by the first sliding rail (4-61) and the first sliding block (4-62), the second sliding rail (4-71) and the second sliding block (4-72) can enable the first outer rotating plate (4-1) and the second outer rotating plate (4-2) to freely stretch and slide between the first inner rotating plate (4-4) and the second inner rotating plate (4-5) in the folded state or in the unfolded state, the first sliding rail (4-61) and the second sliding rail (4-71) play a limiting role, and the arc-shaped elastic connecting piece (4-3) is combined to adjust the displacement possibly generated between the inner layer plate and the outer layer plate in the folding process, so that the folding direction and the sliding direction of the sliding structure can be always perpendicular, the stability of the folding structure between the side wall and the bottom plate and each side wall is greatly improved, and the edge positions of the inner layer plate and the outer layer plate between each side wall and each side wall can be kept aligned in the unfolded state or in the folded state at any time, and the side wall can not be interfered with each side wall to be smoothly stretched and pushed and pulled in the unfolded state or in the unfolded state. Meanwhile, in order to realize the expansion and contraction more smoothly, when the edge positions of each side wall, the bottom plate and the inner and outer double-layer plates between each side wall are hinged with each other, the optimal connection mode is to arrange a hinge structure between the inner layer plate and between the outer layer plate and the outer layer plate which are close to each other.

In the description of the present utility model, the term "hinge" is used merely to describe the connection of the object pieces, whereby the feature defining "hinge" may explicitly or implicitly include various embodiments of crease hinges, hinge hinges, etc.

It should be noted that the corrugated expansion plate in the embodiment is illustrated in the drawings, and the cross section of the corrugated expansion plate is a wave structure, and it is easy for those skilled in the art to modify the wave shape into square, V-shape, trapezoid or the combination of these shapes.

The foregoing embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited by the foregoing embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the present utility model should be equivalent substitution, all of which are included in the scope of the present utility model, and in addition, for various telescopic structures adopted in the present application, those skilled in the art should understand that appropriate damping should be provided between the telescopic members, so that both the telescopic members can slide each other, and simultaneously maintain a certain friction force to form a locking effect, thereby maintaining a certain space shape and size of the case.

Claims (2)

1. A hinge assembly, characterized by: the hinge assembly comprises a first outer rotating plate (4-1), a second outer rotating plate (4-2), an arc-shaped elastic connecting piece (4-3), a first inner rotating plate (4-4) and a second inner rotating plate (4-5); the two ends of the opening of the arc elastic connecting piece (4-3) are respectively connected with the first outer rotating plate (4-1) and the second outer rotating plate (4-2) in an integral way, and the first inner rotating plate (4-4) and the second inner rotating plate (4-5) are hinged with each other; the first inner rotating plate (4-4) is correspondingly arranged on the inner side of the first outer rotating plate (4-1), a first sliding rail (4-61) is arranged between the first inner rotating plate (4-4) and the first outer rotating plate (4-1) on one side, a first sliding block (4-62) matched with the first sliding rail (4-61) is arranged on the other side, and the extending direction of the first sliding rail (4-61) is perpendicular to the rotating direction of the first inner rotating plate (4-4); the second inner rotating plate (4-5) is correspondingly arranged on the inner side of the second outer rotating plate (4-2), one side of the second inner rotating plate (4-5) and the second outer rotating plate (4-2) is provided with a second sliding rail (4-71), the other side of the second inner rotating plate is provided with a second sliding block (4-72) matched with the second sliding rail (4-71), and the extending direction of the second sliding rail (4-71) is perpendicular to the rotating direction of the second inner rotating plate (4-5).

2. A telescopic storage box is a box body which is formed by connecting and splicing four groups of side telescopic components and at least one group of bottom telescopic components and has an accommodating space; the method is characterized in that: the hinge assembly as claimed in claim 1 is further arranged at any position between two adjacent sets of side telescopic assemblies and between the lower part of the side telescopic assemblies and the bottom telescopic assembly.