CN114537901A

CN114537901A - Collapsible container

Info

Publication number: CN114537901A
Application number: CN202210264588.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanghai Box Intelligent Technology Co Ltd
Current assignee: Shanghai Box Intelligent Technology Co Ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-05-27
Also published as: WO2023174366A1

Abstract

The invention discloses a foldable container. In the present invention, a collapsible container comprises: the outer box and the inner container are detachably arranged in the outer box, and the inner container is provided with an accommodating opening with an upward opening; the outer box is provided with a base, a box cover used for sealing the accommodating opening of the inner container, a pair of opposite first side plates and a pair of opposite second side plates which are connected with the base in a foldable mode, and the adjacent first side plates and the adjacent second side plates are connected and encircle the base; each first side plate is provided with a first plate body which can rotate towards the outer box to clamp the inner container in an operable mode, and/or each second side plate is provided with a second plate body which can rotate towards the outer box in an operable mode and clamp the inner container in an operable mode. Compared with the prior art, the foldable container can be separately recycled, the recycling space is reduced, the transportation cost is reduced, and the foldable container is good in stability.

Description

Collapsible container

Technical Field

The embodiment of the invention relates to logistics products, in particular to a foldable container.

Background

The ton barrel has strong corrosion resistance, so that the ton barrel is widely applied to storing liquid chemical product raw materials which are strong in corrosion, inflammable and volatile by chemical plants, and the requirement on safety performance is high. In the prior art, the ton barrels are integrated, transportation and recovery are carried out in the largest volume, and particularly during recovery, the volume is unchanged although the ton barrels are empty containers, the ton barrels occupy transportation space particularly, and transportation cost is increased.

Disclosure of Invention

The invention aims to provide a foldable container, which can be separately recycled, reduces the recycling space and the transportation cost, and has good folding and stability.

To solve the above technical problem, an embodiment of the present invention provides a foldable container, including: the outer box and the inner container are detachably arranged in the outer box, and the inner container is provided with an accommodating opening with an upward opening; the outer box is provided with a base, a box cover used for sealing the accommodating opening of the inner container, a pair of opposite first side plates and a pair of opposite second side plates which are connected with the base in a foldable mode, and the adjacent first side plates and the adjacent second side plates are connected to encircle the base;

each first side plate is provided with a first plate body which can rotate towards the outer box to clamp the inner container and/or each second side plate is provided with a second plate body which can rotate towards the outer box and clamp the inner container.

In one embodiment, when the first panel is operable to rotate towards the outer box to clamp the inner container, each first side panel has a pair of oppositely arranged and spaced side prisms movably connected to the base, and a first panel clamped between the pair of side prisms, and the first panel is hinged to the side prisms; and the first panel is operatively and fixedly connected to the side prism, and the first panel is operatively and fixedly connected to an adjacent pair of the second side panels;

when the first plate body is fixedly connected with the side prism, the first plate body is far away from the inner container; when the first plate body is fixed with the second side plate, the first plate body part is propped against the inner container.

In one embodiment, the upper end of the first panel is hinged to the side prism, and the first panel is operable to rotate around the hinge of the first panel and the side prism.

In one embodiment, the first plate body is locked or unlocked with the side prism and the second side plate through a first linkage bolt.

In an embodiment, the second side plate has a second outer frame disposed on a periphery of the second plate, and the second outer frame is provided with a second insertion hole for inserting the first linking latch.

In one embodiment, when each second side plate is provided with a second plate body, the second plate body can rotate towards the outer box and clamp the inner container in an operable mode;

the second side plate is provided with a second outer frame arranged on the periphery of the second plate body and an upper plate body hinged with the second outer frame, the upper plate body is positioned below the second plate body, and the second plate body is hinged with the second outer frame; the second plate body can be used for rotating towards the outer box to clamp the inner container;

when the second plate body is fixed with the second outer frame, the second plate body is far away from the inner container; when the second plate body is fixed with the first plate body, at least part of the second plate body is propped against the inner container.

In one embodiment, the second plate body is connected with an upper rotating rod, a second linkage bolt and a lower rotating rod from top to bottom; one end of each of the upper rotating rod and the lower rotating rod is rotatably connected with the second plate body, and the other end of each of the upper rotating rod and the lower rotating rod is rotatably connected with the second outer frame; and the upper rotary rod and the lower rotary rod are both operable to rotate towards the inside of the outer box or the outside of the outer box around a connection point with the second outer frame; the second linkage bolt is operable to insert or extract the first plate and the second outer frame.

In one embodiment, the cover is hinged to one of the first side plates by a first hinge; the case lid includes: the outer frame and the cover body are connected with the outer frame, a filling opening is formed in the cover body, and the cover body is used for sealing the accommodating opening of the inner container; the first side plate is hinged with the cover body through the first hinge.

In an embodiment, the top of the inner container is butted with each of the first side plates and each of the second side plates.

In one embodiment, the top of the inner container is bent downwards towards the outside of the inner container to form an outer brim, and the first side plate and the second side plate are respectively clamped with the corresponding outer brim.

In one embodiment, the box cover is detachably connected with the first side plate and the second side plate of the outer box.

In one embodiment, a plurality of said inner containers can be nested one inside the other.

Compared with the prior art, the inner container and the outer container are detachably connected, and the box cover is also folded on the base when the first side plate and the second side plate are folded on the base, so that the outer container is folded. And each first side plate and/or each second side plate can rotate towards the outer box to clamp the inner container, so that the space inside the outer box can be reduced, the inner container is positioned, the inner container is prevented from shaking, and the container is foldable and has better stability.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

FIG. 1 is a schematic diagram of a collapsible container according to an embodiment of the present invention;

FIG. 2 is an exploded view of a collapsible container according to one embodiment of the present invention;

FIG. 3 is a perspective view of a portion of the panel of the outer case folded according to an embodiment of the present invention;

FIG. 4 is a sectional view showing a coupling relationship between a second side plate and a pillar in the state of FIG. 3;

FIG. 5 is a schematic view of the outer case folded according to an embodiment of the present invention;

FIG. 6 is a schematic view of a stack of folded outer cartons in accordance with one embodiment of the present invention;

figure 7 is a schematic view of a plurality of liners nested in accordance with an embodiment of the present invention;

FIG. 8 is a schematic structural view of a stack of collapsible containers according to an embodiment of the present invention;

FIG. 9 is an exploded view of the lid of the outer case according to one embodiment of the present invention;

FIG. 10 is an exploded view of a first side panel according to one embodiment of the present invention;

FIG. 11 is an exploded view of a second side panel according to one embodiment of the present invention;

fig. 12 is a position state diagram of the first side plate and the second side plate according to an embodiment of the present invention, and shows a state when the first plate body and the second plate body clamp the inner container;

FIG. 13 is a position diagram of the first side plate and the second side plate at another angle according to an embodiment of the present invention, and shows a state when the first plate and the second plate clamp the inner bag;

FIG. 14 is an exploded view of a first linking latch according to one embodiment of the present invention;

fig. 15 is a schematic view of a cover separated from an outer case according to another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings in order to more clearly understand the objects, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.

Embodiments of the present invention are described below with reference to the drawings. As shown in fig. 1, 2, 3, 5, 6, and 7, the foldable container 100 includes: outer container 1 and detachably set up the inner bag 2 in outer container 1, inner bag 2 has opening up's holding opening 20. The outer carton 1 has a base 11, a lid 12 for closing the receiving opening 20 of the sealed inner carton 2, a pair of opposing first side panels 13 and a pair of opposing second side panels 14 foldably connected to the base 11, and the adjacent first side panels 13 and second side panels 14 are connected to surround the base 11, and the lid 12 is hinged to the top end of one of the first side panels 13 by a first hinge 3. Each of the first side plate 13 and the second side plate 14 is operable to be turned inside or outside the outer carton 1 relative to the base 11. The flap 12 is operatively reversible to and disposed opposite the outer surface of a first side panel 13 hingedly connected thereto. When the outer box 1 is folded, the first side plates 13, the second side plates 14, and the cover 12 are stacked on the base 11 in a covering manner. The base 11 of the outer box 1 in the folded state is operable to be in stacked abutment with the base 11 of the outer box 1 in the other folded state. The inner diameter of the top of the inner container 2 is larger than the outer diameter of the bottom of the inner container 2.

Through the above, it is found that, since the inner container 2 and the outer container 1 are detachably connected, and the box cover 12 is hinged to one first side plate 13 and can be turned and folded to the outer surface of the first side plate 13, when the first side plate 13 and the second side plate 14 are folded onto the base 11, the box cover 12 is also folded onto the base 11, thereby realizing the folding of the outer container 1. In addition, the inner diameter of the top of the inner container 2 is larger than the outer diameter of the bottom of the inner container 2, and a plurality of inner containers 2 can be nested. The foldable container 100 can be separately recycled, the outer box 1 is folded, and the inner container 2 can be overlapped, so that the space is saved, and the transportation cost is reduced.

As shown in fig. 3, the first hinge 3 has a connecting hinge body 31, a first hinge pin 32 and a second hinge pin 33, the first hinge pin 32 connecting the hinge body 31 and the lid 12, and the second hinge pin 33 connecting the hinge body 31 and the top of one of the first side plates 13.

In other embodiments, the box cover 12 may be separated from the first side plate 13 instead of being hinged to the first side plate 13, and may be directly covered on the inner container 2 when needed.

Further, as shown in fig. 1 and 3, the base 11 has a bottom plate 111, and two pairs of

opposite posts

112 and 113 connected to four corner ends of the bottom plate 111, respectively, and the posts may be metal posts. The bottom plate 111 is rectangular, four upright posts are respectively arranged at four corner ends of the rectangle, and each second side plate 14 and each first side plate 13 are respectively clamped between two different upright posts and hinged with two adjacent upright posts. As shown, a first side plate 13 is sandwiched between one upright 112 and one upright 113, and a second side plate 14 is sandwiched between two uprights 112.

As shown in fig. 6, when the outer box 1 is folded, each of the first side plates 13 and each of the second side plates 14 are connected with the corresponding upright column in a bent manner, and the top of the upright column is operatively connected with the bottom of the upright column of the outer box 1 in the rest folded state. Specifically speaking, the bottom of stand is seted up flutedly, and the external diameter at the top of stand is less than the internal diameter of recess, and two outer containers 1 after folding can pile up, and the top of the outer container 1 center pillar that is located the top can insert in the recess of the outer container 1 center pillar that is located the below. In particular, the present invention relates to a method for producing,

further, the upright column 112 and the upright column 113 have the same structure, and the following description will specifically refer to an upright column 112 as an example, as shown in fig. 3, 4 and 5, the upright column has a column body and a support foot 10 with a groove, the column body is vertically connected with the support foot 10, and the first side plate 13 and the second side plate 14 are both connected with the column body in a hinged manner. The top of the upright post 112 is opened with a slot 114 with an upward opening, and the side prism 130 of the first side plate 13 is provided with a protrusion 131 which can be operatively inserted into the slot 114. The upright post is provided with a slide way 115 extending from top to bottom, the side prism 130 of the first side plate 13 can slide along the slide way 115, the clamping groove 114 is arranged at the top of the wall surface of the slide way 115, and the clamping groove 114 is provided with an upward opening. The wall of the slide channel 115 is provided with a long groove 116 extending from top to bottom, and the side prism 130 of the first side plate 13 is provided with an insert 133 capable of sliding along the long groove 116. When the first side plate 13 is erected, the insert 133 is clamped at the bottom of the long groove 116, and the protrusion 131 is inserted into the clamping groove 114. When the first side plate 13 needs to be folded, the lock bolt 6 for locking the first side plate 13 and the second side plate 14 is pulled open, the first side plate 13 is firstly lifted, the embedded part 133 upwards slides in the long groove, the protrusion 131 is separated from the clamping groove 114, and then the first side plate 13 is bent towards the inner side of the outer box 1, so that the first side plate 13 is finally folded. Each second side plate 14 is hinged to the corresponding upright via a hinge shaft 4, and the second side plate 14 is folded toward the base 11 by rotating around the axial direction of the hinge shaft 4. The lower ends of the

upright posts

112 and 113 have hinge holes which are closer to the bottom plate 111 than the elongated slots 116, and hinge shafts are connected to the hinge holes. When the outer box 1 is folded, the two second side plates 14 are folded first, and then the two first side plates 13 are folded, so that the second side plates 14 are located below the first side plates 13.

In addition, as shown in fig. 5, the folded first side panel 13 and the folded second side panel 14 are spaced from the vertical columns to form a space 70, which leaves a space for the vertical columns of other outer cases 1. As shown in the figure, the pillar of the upright 112 has a first vertical plate 1121, and a second vertical plate 1122 forming an included angle with the first vertical plate 1121, the bottom of the first vertical plate 1121 and the second vertical plate 1122 is inserted into the supporting leg 10, the bottom of the supporting leg 10 is provided with a groove, the edges of the first vertical plate 1121 and the second vertical plate 1122 connected together form side edges of the upright, a sliding groove is formed between the first vertical plate 1121 and the second vertical plate 1122, one side of the first vertical plate 1121 and the second vertical plate 1122 deviating from each other has an inclined surface, and the two inclined surfaces are gradually far away from the side edges from top to bottom, so that the top sizes of the first vertical plate 1121 and the second vertical plate 1122 are smaller, and the first side plate 13 and the second side plate 14 are far away from, the supporting leg can be inserted into the supporting leg 10 of other outer cases 1, and a space is provided for the supporting leg 10 of other outer cases 1.

As shown in fig. 8, when the outer box 1 is not folded, two outer boxes 1 may be stacked. The outer diameter of the top of the side prism 130 of the first side plate 13 is smaller than the inner diameter of the groove into which the side prism 130 of the first side plate 13 can be inserted. That is, when two outer cases 1 are stacked, the side prism 130 of the first side plate 13 is inserted into the groove at the bottom of the supporting foot 10. It is understood that in other embodiments, a recessed opening may be provided at the top of the side prism of the first side plate 13, and the supporting foot is inserted into the recessed opening when stacking.

In the exploded view of fig. 10, the first plate is upright and not supported by the inner container, and the first linking pin can be inserted into the hole 1330 of the side prism 130; in the exploded view state of fig. 11, in which the second plate does not support the inner container, the second linking pin can be inserted into the hole 1440 of the second outer frame 144; fig. 12 shows a state where the first link pin can be inserted into the second outer frame 144 after the first plate 132 rotates around the protruding shaft 180 toward the outer case, and fig. 12 shows a state where the second link pin 82 can be inserted into the first plate 132 in a state where the second plate 142 rotates toward the outer case to clamp the inner container.

Further, as shown in fig. 1, 10, 11, 12 and 13, each first side plate 13 has a first plate 132 operable to rotate toward the outer box 1 to clamp the inner container 2, and each second side plate 14 has a second plate 142 operable to rotate toward the outer box 1 and clamp the inner container 2, so as to reduce the space inside the outer box 1, position the inner container 2, and prevent the inner container 2 from shaking.

Specifically, as shown in fig. 1, 10, 11, 12 and 13, the first side plate 13 includes a first outer frame 121 and a first plate 132 hinged in the first outer frame 121, the first outer frame 121 has a pair of oppositely disposed and spaced side ribs 130 supported on the base 11, the first plate 132 is clamped between the pair of side ribs 130, and the first plate 132 is hinged with the side ribs 130. The first plate 132 rotates around the hinge joint with the side prism, and when the first plate 132 partially abuts against the inner container 2, the first plate 132 can be fixedly connected with the second side plate 14, so that the first plate 132 can not movably position the inner container 2. When loosening first plate 132 and second curb plate 14, rotating first plate 132 to vertical state, first plate 132 keeps away from separately with inner bag 2, can fix first plate 132 and side prism 130 mutually, also fixes a position first plate 132, lets can not cause the interference to inner bag 2, is convenient for take out inner bag 2 from outer container 1 in, or places inner bag 2 in outer container 1.

Further, as shown in fig. 1, 10, 11, 12 and 13, the upper end of the first plate 132 is hinged to the side prism 130, and the first plate 132 is operable to rotate around the hinge of the first plate 132 and the side prism 130. The protruding shafts 80 are disposed on both sides of the first plate 132 and inserted into the adjacent side prisms, so that the first plate 132 can rotate around the connection between the protruding shafts 80 and the side prisms toward the inside of the outer case 1 or the outside of the outer case 1, and when the first plate 132 is tilted, the lower portion of the first plate 132 can clamp the inner case 2. It is understood that in other embodiments, the protruding shaft 80 may be disposed at the lower end of the first plate 132, and after the first plate 132 rotates, the upper portion of the first plate 132 may clamp the inner container 2.

Specifically, as shown in fig. 1, 10, 11, 12 and 13, the first plate 132 is locked or unlocked with the side prism and the second side plate 14 by the first interlocking pin 84. As shown in fig. 14, the first interlocking pin 84 includes a pair of pin heads 841, a pair of pin seats 842, a pair of compression springs 843, and a cable 844, wherein one compression spring 843 and one pin head 841 are installed in one pin seat 842, and two ends of the cable 844 penetrate through the two pin seats 842 and are connected to the two pin heads 841. When the first plate 132 is in an upright state, the two plug heads 841 are respectively inserted into the holes 1300 of the corresponding side prisms, and the first plate 132 is fixed. When the first plate 132 is rotated, the lower portion of the first plate 132 is pushed, the wire rope 844 can be bent, and the pair of plug heads 841 slide out of the holes 1300 of the side prisms; when the first plate 132 rotates to the proper position to clamp the inner container 2, the compression spring 843 pushes the corresponding latch 841 to be inserted into the second insertion hole 146 of the second side plate 14, and the first plate 132 is positioned again, i.e., the first plate 132 is locked at the position. It is understood that in other embodiments, the first linking pin 84 can be replaced by other pins, such as a manual plug-in pin, so that the first plate 132 can be positioned or moved.

Further, as shown in fig. 1, 10, 11, 12 and 13, the second side plate 14 includes a second outer frame 144 disposed around the second plate 142, and an upper plate 141 hinged to the second outer frame 144, wherein the upper plate 141 is located below the second plate 142, and the second plate 142 is hinged to the second outer frame 144. The second outer frame 144 is provided with a second insertion hole 146 for inserting the first link pin 84. The second plate 142 is operable to rotatably clamp the inner container 2 toward the outer case 1; when the second plate 142 is fixed to the second outer frame 144, the second plate 142 is away from the inner container 2; when the second plate 142 is fixed to the side prism, at least a portion of the second plate 142 abuts against the inner container 2.

Further, as shown in fig. 1, 10, 11, 12 and 13, the second plate 142 is connected to the upper rotating rod 81, the second interlocking pin 82 and the lower rotating rod 83 from top to bottom. The upper rotary rod 81 and the lower rotary rod 83 are both rotatably connected to the second plate 142 at one end and to the second housing 144 at the other end. And both the upper and lower rotary bars 81 and 83 are operable to be rotated toward the inside of the outer case 1 or the outside of the outer case 1 about the connection point with the second outer frame 144. The second link pin 82 is operable to be inserted into or removed from the hole 1320 of the first plate 132 and the hole 1440 of the second housing 144. The second interlocking pin 82 may have the same structure as the first interlocking pin 84. When the second plate 142 is far away from the inner container 2, the upper rotating rod 81 and the lower rotating rod 83 are in a vertical state, and the second linking bolt 82 can be inserted into the hole 1440 of the second outer frame 144; when the second plate 142 obliquely holds the inner container 2, the upper rotating rod 81 and the lower rotating rod 83 are in a tilted state, and the second link pin 82 can be inserted into the hole 1320 of the first plate 132. In other embodiments, the second interlocking pin 82 is disposed in different positions in the second plate 142, and the second interlocking pin 82 may be inserted into the base 11 or other positions.

It will be appreciated that in other embodiments, the second side plate may be a unitary plate rather than separate upper and second plates.

As shown in fig. 1 and 2, the lower edge of the upper panel 141 is hingedly connected to the upper edge of the second outer frame 144 by the second hinge 140, and the upper panel 141 is connected to the adjacent first side plate 13 by the latch 6. Wherein the upper plate 141 is operable to be flipped toward the outside of the outer case 1 or flipped toward the inside of the outer case 1 with respect to the base 11. And second curb plate 14 passes through articulated shaft 4 with the stand on the base 11 and articulates mutually, and when letting outer container 1 fold, set bar 6 is opened, and second curb plate 14 can rotate the folding towards base 11 direction, and when second curb plate 14 need be upright, second curb plate 14 rotates around articulated shaft 4 again, realizes the location through articulated shaft 4. The second hinge 140 may be a metal hinge.

Further, as shown in fig. 9, the cover 12 includes: the outer frame 121 and the cover 122 connected to the outer frame 121, the cover 122 is used for covering the receiving opening 20 of the inner container 2. The cover body 122 is provided with a filling opening 120, the filling opening 120 is communicated into the inner container 2, the filling opening 120 is provided with a cover, the filling opening 120 can be a bottle opening structure, the cover is screwed on the filling opening 120 through threads, and other structures are certainly possible. The lid 122 is used to seal the receiving opening 20 of the inner container 2. The first side plate 13 is hinged to the cover 122 by a first hinge 3. In other embodiments, as shown in fig. 15, the cover 500 is detachably connected to the first and second side plates of the outer case 1. When the case cover 5 is used, the inner container is covered at the top ends of the first side plate and the second side plate in a sealing mode, and the periphery of the case cover 5 is buckled on the outer case 1 through the lock catch. The box cover 5 can be detached when not in use, and is separated from the first side plate and the second side plate and is independent. The structure of the cover 500 is also substantially the same as that of the cover 5. When this type of container is folded, first curb plate and second curb plate beta structure of outer container 1 are the same with first curb plate and second curb plate beta structure in this embodiment, and the curb plate is folded back on the base, can leaning case lid 500 in first curb plate and second curb plate top again.

In addition, the outer frame 121 is a mesh frame and covers the outer surface of the cover 122, and the filling opening 120 on the cover 122 is disposed opposite to the mesh hole of the mesh frame.

Specifically, as shown in fig. 2 and fig. 9, a protruding abutting boss 1221 is provided on a side of the cover 122 away from the outer frame 121, the abutting boss 1221 is circumferentially disposed, and the abutting boss 1221 abuts against the top surface of the inner container 2. The accommodating port 20 of the inner container 2 is a rectangular port and is formed by the top surface of the inner container 2 in a surrounding mode, and the abutting lug boss 1221 abuts against the top surface of the inner container 2 to seal the accommodating port 20. In other embodiments, the receiving opening 20 may have other shapes, and the holding projection 1221 is matched with the top surface of the inner container 2.

Further, as shown in fig. 9, a sealing member 1222 is disposed on the abutting boss 1221, and the sealing member 1222 is used for being clamped between the abutting boss 1221 and the top surface of the inner container 2 when the abutting boss 1221 abuts against the top surface of the inner container 2. The sealing member 1222 may be a rubber pad or other sealing sheet, and the sealing member 1222 may be adhered to the supporting boss 1221, or a protrusion may be provided on the sealing member 1222 to be snapped into the supporting boss 1221. In this embodiment, a fixing strip 1223 is provided, the fixing strip 1223, the sealing strip and the abutting boss 1221 are connected by a screw or other locking, and the sealing member 1222 is clamped and fixed between the fixing strip 1223 and the abutting boss 1221. The inner ring side of the sealing member 1222 is exposed outside the fixing strip 1223 and abuts against the top surface of the inner container 2, so that the sealing member 1222 is more stably fixed, and the inner container 2 can be well sealed.

As shown in fig. 2, the inner container 2 has two pairs of oppositely disposed side walls 21 and a bottom 22, the two pairs of oppositely disposed side walls 21 surround the bottom 22 to form an inner cavity of the inner container 2, one side wall 21 of the plurality of side walls 21 is provided with a recessed area 23 recessed towards the inner container 2, the discharge port 24 is located in the recessed area 23, the discharge port 24 does not protrude out of the side wall 21 of the inner container 2, so that the inner container 2 can be conveniently placed into the outer container 1, and the inner containers 2 can be mutually nested. A valve is provided at the discharge port 24, through which the discharge port can be opened or closed. The liner side wall 21 with the depressed area 23 is a vertical wall surface, and the other liner side walls 21 are inclined wall surfaces gathered towards the liner bottom 22 of the liner 2. That is, the discharge port 24 is provided in a vertical wall surface, and it is possible to more conveniently contact the discharge port 24 when the discharge port 24 is used in operation. The other liner side walls 21 are inclined wall surfaces, and the plurality of inner liners 2 are also nested with each other after being detached from the outer box 1. In other embodiments, all of the four bladder side walls 21 may be inclined walls converging toward the bladder bottom 22 of the bladder 2.

In the present embodiment, the inner container 2 is rectangular, and in other embodiments, the inner container 2 may be cylindrical or have other shapes.

Further, as shown in fig. 1, each first side plate 13 is a long side plate, each second side plate 14 is a short side plate, the flip 5 is disposed on one second side plate 14, and the flip 5 is connected to the base 11 through the latch 7. The flap 5 may be used to cover the vent 24 and when the flap 5 is opened the vent 24 may be directly acted upon. In other embodiments, the inner container 2 has a discharge opening 24, at least one of the first side plate 13 and the second side plate 14 is provided with a flip cover 5, and the discharge opening 24 faces and is opposite to the flip cover.

As shown in fig. 1, each of the first side plates 13 and each of the second side plates 14 is a mesh plate. Preferably, each of the first side plate 13 and the second side plate 14 may be a metal mesh plate. The structural setting of net board lets this container compare more lightweight with ton bucket. The

posts

112 and 113 may be metal posts.

Further, the top of the inner container 2 is bent downwards towards the outside of the inner container 2 to form an outer edge 26, and the first side plate 13 and the second side plate 14 are respectively clamped with the corresponding outer edges 26. Each first side plate 13 is provided with a first clamping strip 134 protruding towards the inner side of the outer box 1, the first clamping strip 134 supports the outer eaves 26, each second side plate 14 is provided with a second clamping strip 143 protruding towards the inner side of the outer box 1, and the second clamping strips 143 are clamped into the long grooves 270 of the outer eaves. When the inner container 2 is installed in the outer container 1, the two upper plate bodies 141 are turned outwards towards the outer container 1 around the second hinge 140, the inner container 2 is inserted into the outer container, the first clamping strip 134 supports the outer brim, the two upper plate bodies 141 are turned inwards to the outer container 1 to be in a vertical state, and the second clamping strip 143 is clamped into the long groove 270 to position the inner container 2. When the inner container 2 is taken out, the two upper plate bodies 141 are firstly turned outwards towards the outer container 1 around the second hinge 140, so that the second clamping strip 143 leaves the long groove 270, and then the inner container 2 is taken out.

In this embodiment, the first plate bodies of the pair of first side plates 13 and the second plate bodies of the pair of second side plates 14 may both sandwich the inner container, and in other embodiments, only one pair of the first plate bodies of the pair of first side plates 13 and only one pair of the second plate bodies of the pair of second side plates 14 may sandwich the inner container.

While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.

Claims

1. A collapsible container, comprising: the outer box and the inner container are detachably arranged in the outer box, and the inner container is provided with an accommodating opening with an upward opening; the outer box is provided with a base, a box cover used for sealing the accommodating opening of the inner container, a pair of opposite first side plates and a pair of opposite second side plates which are connected with the base in a foldable mode, and the adjacent first side plates and the adjacent second side plates are connected to encircle the base;

2. The collapsible container of claim 1 wherein each of the first side panels has a pair of oppositely disposed and spaced side prisms movably connected to the base and a first panel sandwiched between the pair of side prisms, the first panel being hingedly connected to the side prisms when the first panel is operable to rotatably grip the inner container toward the outer container; and the first panel is operatively and fixedly connected to the side prism, and the first panel is operatively and fixedly connected to an adjacent pair of the second side panels;

3. The collapsible container of claim 2 wherein the upper end of the first panel is hingedly connected to the side prism, the first panel being operable to pivot about the hinge of the first panel to the side prism.

4. A collapsible container as claimed in claim 3 wherein the first panel is locked or unlocked to the side prism and the second side panel by a first interlocking latch.

5. The foldable container of claim 4, wherein the second side plate has a second outer frame disposed around the second plate, and the second outer frame has a second insertion hole for inserting the first interlocking pin.

6. The foldable container of claim 1, wherein each of the second side panels has a second panel operable to rotate toward the outer carton and grip the inner container;

7. The collapsible container of claim 6 wherein the second panel has an upper pivot bar, a second interlocking latch and a lower pivot bar connected thereto from top to bottom; one end of each of the upper rotating rod and the lower rotating rod is rotatably connected with the second plate body, and the other end of each of the upper rotating rod and the lower rotating rod is rotatably connected with the second outer frame; and the upper rotary rod and the lower rotary rod are both operable to rotate towards the inside of the outer box or the outside of the outer box around a connection point with the second outer frame; the second linkage bolt is operable to insert or extract the first plate and the second outer frame.

8. A collapsible container according to claim 1 wherein the lid is hinged to one of the first side panels by a first hinge; the case lid includes: the outer frame and the cover body are connected with the outer frame, a filling opening is formed in the cover body, and the cover body is used for sealing the accommodating opening of the inner container; the first side plate is hinged with the cover body through the first hinge.

9. The collapsible container of claim 1 wherein the top of the inner bladder abuts each of the first side panels and each of the second side panels.

10. The foldable container of claim 9, wherein the top of the inner container is bent downward toward the outside of the inner container to form an outer brim, and the first side plate and the second side plate are respectively clamped with the corresponding outer brim.

11. The foldable container of claim 1 wherein the lid is removably connected to the first and second side panels of the outer carton.

12. A collapsible container according to claim 1, wherein a plurality of said inner containers are telescopically received in one another.