CN217836438U - Foldable storage device - Google Patents

Abstract

The utility model discloses a foldable containing device, wherein the containing device comprises two first direction side walls, two second direction side walls and a bottom wall, the bottom side of each first direction side wall is rotatably arranged at each first direction end part of the bottom wall respectively, and the bottom side of each second direction side wall is rotatably arranged at the second direction end part of the bottom wall respectively; wherein when the storage device is in a folded state, each first direction side wall is respectively superposed on the bottom wall, each second direction side wall is respectively superposed on each first direction side wall, wherein when the storage device is in an unfolded state, two opposite ends of any one first direction side wall are respectively connected with one end part of each second direction side wall, so that a storage space is formed among the bottom wall, each first direction side wall and each second direction side wall.

Description

Foldable storage device

Technical Field

The utility model relates to a storage device, in particular to folding storage device.

Background

The storage device is a device commonly used in daily life to assist a user in storing articles, such as a storage box or a drawer, and generally comprises a bottom wall and four side walls extending from the bottom wall to form a storage space for the user to store articles. Generally, the storage device is sold to a distributor by a manufacturer after being produced at a factory and then distributed to a user by the distributor, that is, the storage device needs to be circulated among the manufacturer, the distributor and the user, and the storage device needs to be transported and stored during circulation. In order to reduce the transportation and storage costs of the storage device during circulation, the existing storage device is designed to be separated and assemblable such that the side walls and the bottom wall in a separated state are overlapped to reduce the space occupied by the storage device during transportation and storage of the storage device. Although the storage device designed to be separated and assembled can reduce the transportation and storage cost, the user needs to assemble the side wall and the bottom wall between the storage devices, the assembly process of the existing storage device is complicated, and the stability between the assembled side wall and the assembled bottom wall is poor, so that the user experience is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding storage device, wherein storage device's lateral wall is rotationally installed in the diapire, in order to make through rotating the mode of lateral wall storage device switches to the expansion state from fold condition, so convenient to use person's operation improves storage device's use is experienced.

An object of the utility model is to provide a folding storage device, wherein through rotating the mode of lateral wall can make storage device switches to fold condition from the state of expanding, so storage device can be folded repeatedly and expand to avoid damaging at the in-process of folding repeatedly and expanding storage device the lateral wall with the diapire.

An object of the utility model is to provide a folding storage device, wherein storage device provides an at least baffle the relative both ends of baffle are installed respectively in being in relative both sides during the lateral wall, on the one hand, the baffle can stabilize the lateral wall with the structural relation of diapire avoids the lateral wall rotates automatically, on the other hand, the baffle can be separated storage device's storage space is in for the user is in different article are accomodate respectively to the relative both sides of baffle.

An object of the utility model is to provide a folding storage device, wherein storage device allows the bare-handed installation of user the baffle in the lateral wall, in order to reduce storage device's equipment difficulty improves and uses experience. For example, the side wall presets a receptacle, and accordingly, the bulkhead presets an insert, the insert of the bulkhead and the receptacle of the side wall allow the bulkhead to be mounted to the side wall from top to bottom, such that the bulkhead can be reliably mounted to the side wall and the bulkhead is prevented from automatically separating from the side wall when the storage device is used for a long period of time.

It is an object of the present invention to provide a foldable storage device, wherein the storage device allows a user to install the partition in different positions of the side wall, so as to allow the user to separate the storage space of the storage device as desired.

An object of the utility model is to provide a folding storage device, wherein the user can be bare-handed will storage device switches to the expansion state from fold condition to be in the expansion state storage device's stability can be guaranteed. For example, in some embodiments, when the side walls are rotated, the ends of the side walls in different directions can be fastened to each other, and after the partition is installed on the side walls, the partition can ensure the fastening relationship of the side walls in different directions, so that a user can switch the storage device from the folded state to the unfolded state by hands, and ensure the stability of the storage device in the unfolded state.

According to an aspect of the utility model, the utility model provides a folding storage device, it includes:

two first direction sidewalls;

two second direction side walls; and

a bottom wall, wherein said bottom wall has two first direction ends and two second direction ends, wherein a bottom side of each of said first direction side walls is rotatably mounted to each of said first direction ends of said bottom wall, respectively, and wherein a bottom side of each of said second direction side walls is rotatably mounted to each of said second direction ends of said bottom wall, respectively;

wherein when the storage device is in a folded state, each first direction side wall is respectively superposed on the bottom wall, each second direction side wall is respectively superposed on each first direction side wall, wherein when the storage device is in an unfolded state, two opposite ends of any one first direction side wall are respectively connected with one end part of each second direction side wall, so that a storage space is formed among the bottom wall, each first direction side wall and each second direction side wall.

According to an embodiment of the present invention, the bottom wall includes a bottom plate, two first direction side plates and two second direction side plates, wherein each of the first direction side plates respectively from a pair of opposite sides of the bottom plate extend upward, each of the bottom sides of the first direction side walls are rotatably installed at each of the first direction side plates, wherein each of the second direction side plates respectively from another pair of opposite sides of the bottom plate extend upward, each of the bottom sides of the second direction side walls are rotatably installed at each of the second direction side plates, respectively, and the second direction side plates are higher than the first direction side plates.

According to the utility model discloses an embodiment, the relative both ends of first direction lateral wall have a first direction end wall respectively, first direction lateral wall first direction end wall can be laminated in the mode of face-to-face contact in the tip of second direction lateral wall.

According to an embodiment of the invention, the first direction end wall of the first direction lateral wall and the end of the second direction lateral wall can be locked by a screw.

According to an embodiment of the invention, the first direction end wall of the first direction side wall has at least one positioning hole, the end of the second direction side wall has at least one positioning post, wherein the positioning post of the second direction side wall can be positioned at the positioning hole of the first direction end wall of the first direction side wall.

According to the utility model discloses an embodiment, the first direction tip of first direction lateral wall has at least a locating post, the tip of second direction lateral wall has at least a locating hole, wherein the first direction lateral wall the first direction end wall the locating post can be located the second direction lateral wall the locating hole.

According to an embodiment of the present invention, the first direction side wall has a locking member at each of opposite ends thereof, and the second direction side wall has a locking groove at each of opposite ends thereof, wherein the locking member of the first direction side wall can be inserted into the locking groove of the second direction side wall.

According to an embodiment of the present invention, each of the first direction side walls the locking piece is respectively located at opposite ends of a first direction edge of the first direction side wall, wherein each of the second direction side walls the locking groove is respectively located at opposite ends of a second direction edge of the second direction side wall.

According to the utility model discloses an embodiment, storage device further includes an at least baffle, the relative both ends of baffle are connected respectively in every the middle part of second direction lateral wall.

According to an embodiment of the present invention, the opposite ends of the partition plate are respectively provided with at least one insert, each of the second direction side walls is respectively provided with at least one insertion hole, wherein the insert of the partition plate can be inserted into the insertion hole of the second direction side wall.

According to an embodiment of the present invention, the opposite sides of the partition plate have at least two inserts, respectively, these inserts are arranged along the width direction of the partition plate, each the second direction side wall has at least two insertion holes, respectively, these insertion holes are arranged along the width direction of the second direction side wall, wherein each the insert of the partition plate can be inserted into each of the insertion holes of the second direction side wall.

According to an embodiment of the present invention, the partition plate has at least one insert on each of opposite sides thereof, each of the second direction side walls having a row of insertion holes arranged along a length direction of the second direction side walls, wherein the insert of the partition plate can be selectively inserted into one of the rows of insertion holes of the second direction side walls.

According to an embodiment of the present invention, the opposite sides of the partition plate have at least one insertion hole, respectively, each of the second direction side walls have at least one insertion member, respectively, wherein the insertion member of the second direction side wall can be inserted into the insertion hole of the partition plate.

According to another aspect of the present invention, the present invention further provides a method for unfolding a storage apparatus, wherein the method for unfolding includes the steps of:

(a) Allowing the two second-direction side walls to rotate at the two second-direction end parts of the bottom wall respectively;

(b) Allowing the two first-direction side walls to rotate at the two first-direction end portions of the bottom wall respectively;

(c) And connecting the end parts of the first direction side walls and the second direction side walls to form a receiving space between each first direction side wall, each second direction side wall and the bottom wall so that the receiving device is unfolded.

According to an embodiment of the present invention, in the step (c), the first direction sidewall and the second direction sidewall are locked by a screw.

According to an embodiment of the present invention, the step (c) further includes:

(c.1) allowing at least one positioning post of the second directional sidewall to be positioned at least one positioning hole of the first directional sidewall; and

(c.2) allowing opposite ends of at least one partition to be connected to the middle of each of the second-direction side walls, respectively.

According to an embodiment of the present invention, the step (c) further includes:

(c.1) allowing at least one positioning post of the first directional sidewall to be positioned at least one positioning hole of the second directional sidewall; and

(c.2) allowing opposite ends of at least one partition to be connected to the middle of each of the second-direction side walls, respectively.

According to an embodiment of the present invention, the step (c) further includes:

(c.1) allowing a locking piece of the first-direction side wall to be inserted into a locking groove of the second-direction side wall; and

(c.2) allowing opposite ends of at least one partition to be connected to the middle of each of the second-direction side walls, respectively.

According to an embodiment of the present invention, in the step (c.2), the partition board is installed on each of the second direction sidewalls from top to bottom in a manner allowing at least one insert of the partition board to be inserted into at least one insertion hole of the second direction sidewalls.

According to an embodiment of the present invention, in the step (c.2), the partition board is installed on each of the second direction side walls from top to bottom in a manner allowing at least one insert of the second direction side wall to be inserted into at least one insertion hole of the partition board.

Drawings

Fig. 1A is a perspective view of a foldable storage device according to a first preferred embodiment of the present invention in a folded state.

Fig. 1B is a perspective view of another perspective view of the storage device in a folded state according to the above preferred embodiment of the present invention.

Fig. 2 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1B.

Fig. 3 is a schematic sectional view taken along line B-B in fig. 1B.

Fig. 4 is a schematic sectional view taken along line C-C in fig. 1B.

Fig. 5A is an exploded view of a viewing angle of the receiving device according to the above preferred embodiment of the present invention.

Fig. 5B is an exploded view of another perspective of the receiving device according to the above preferred embodiment of the present invention.

Fig. 6 is a perspective view illustrating one of the unfolding processes of the storage device according to the above preferred embodiment of the present invention.

Fig. 7 is a perspective view of a second process of unfolding the storage device according to the above preferred embodiment of the present invention.

Fig. 8 is a perspective view of the third process of unfolding the storage device according to the above preferred embodiment of the present invention.

Fig. 9 is a perspective view of the fourth process of unfolding the storage device according to the above preferred embodiment of the present invention, which shows the storage device in an unfolded state from a perspective view.

Fig. 10A is an exploded view of a perspective view of a modified example of the storage device according to the above preferred embodiment of the present invention.

Fig. 10B is an exploded view of another perspective view of the above modified example of the storage device according to the above preferred embodiment of the present invention.

Fig. 11 is a perspective view of a foldable storage device according to a second preferred embodiment of the present invention in an unfolded state.

Fig. 12A is a perspective view of a first direction sidewall of the receiving device according to the above preferred embodiment of the present invention.

Fig. 12B is a perspective view of another perspective view of the first direction sidewall of the storage device according to the above preferred embodiment of the present invention.

Fig. 13A is a perspective view of a second direction sidewall of the storage device according to the above preferred embodiment of the present invention.

Fig. 13B is a perspective view of another perspective view of the second directional sidewall of the storage device according to the above preferred embodiment of the present invention.

Fig. 14 is a perspective view of a bottom wall of the storage device according to the above preferred embodiment of the present invention.

Fig. 15A is a perspective view of a partition plate of the storage device according to the above preferred embodiment of the present invention.

Fig. 15B is a perspective view of another perspective view of the partition of the storage device according to the above preferred embodiment of the present invention.

Detailed Description

According to the disclosure of the claims and the description of the present invention, the technical solution of the present invention is described in detail below.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1A to 9 of the drawings of the specification, a foldable storage device according to a first preferred embodiment of the present invention will be disclosed and explained in the following description, wherein the storage device has a folded state and an unfolded state, and the storage device is configured to be switchable between the folded state and the unfolded state, and when the storage device is in the folded state, the storage device has a smaller size to reduce the space occupied by the storage device, thereby reducing the transportation and storage costs of the storage device, and when the storage device is in the unfolded state, the storage device forms a storage space 100 for a user to store articles.

Specifically, the receiving device includes two first direction side walls 10, two second direction side walls 20 and a bottom wall 30, wherein the bottom wall 30 is a square bottom wall having two first direction ends 301 and two second direction ends 302, wherein a bottom side of each of the first direction side walls 10 is rotatably mounted to each of the first direction ends 301 of the bottom wall 30, and a bottom side of the first direction side wall 10 forms a connection side of the first direction side wall 10, wherein a bottom side of each of the second direction side walls 20 is rotatably mounted to each of the second direction ends 302 of the bottom wall 30, and a bottom side of the second direction side wall 20 forms a connection side of the second direction side wall 20. When the storage device is in the folded state, each of the first direction side walls 10 is respectively stacked on the bottom wall 30, and each of the second direction side walls 20 is respectively stacked on each of the first direction side walls 10, so that the storage device has a small size to reduce a space occupied by the storage device, thereby reducing transportation and storage costs of the storage device.

When the storage apparatus is in the unfolded state, opposite ends of any one of the first-direction side walls 10 are respectively connected to one end of adjacent two of the second-direction side walls 20, so that the storage apparatus forms the storage space 100 between each of the first-direction side walls 10, each of the second-direction side walls 20, and the bottom wall 30.

In allowing the storage apparatus to be switched from the folded state to the unfolded state, first, each of the second direction side walls 20 is rotated, second, each of the first direction side walls 10 is rotated, and third, an end portion of the first direction side wall 10 and an end portion of the second direction side wall 20 are connected to maintain each of the first direction side walls 10 in a state perpendicular to the bottom wall 30, each of the second direction side walls 10 is maintained in a state perpendicular to the bottom wall 30, and each of the first direction side walls 10 is maintained in a state perpendicular to each of the second direction side walls 20, so that the storage apparatus forms the storage space 100 between each of the first direction side walls 10, each of the second direction side walls 20, and the bottom wall 30 to place the storage apparatus in the unfolded state.

And, the utility model discloses a storage device is allowed can from the expansion state switch to folded state, when allowing storage device from the expansion state to folded state switches, firstly, separate the tip of first direction lateral wall 10 with the tip of second direction lateral wall 20, secondly, rotate every first direction lateral wall 10, so that every first direction lateral wall 10 superposes in diapire 30, secondly, rotate every second direction lateral wall 20, so that every second direction lateral wall 20 superposes in every first direction lateral wall 10, so storage device is in folded state reduces the space that storage device shared.

It is worth mentioning that the dimension relation between the length dimension of the first direction sidewall 10 and the length dimension of the second direction sidewall 20 is not limited in the storage device. For example, in the specific example of the storage device of the present invention shown in fig. 1A to 9, the length dimension of the first direction side wall 10 is smaller than the length dimension of the second direction side wall 20. Alternatively, in other examples of the storage device of the present invention, the length dimension of the first direction sidewall 10 may be equal to the length dimension of the second direction sidewall 20, or the length dimension of the first direction sidewall 10 may be greater than the length dimension of the second direction sidewall 20.

In order to ensure that the storage device in the folded state has a small size, the sum of the width dimensions of the two first direction side walls 10 is designed to be smaller than or equal to the distance between the two first direction ends 301 of the bottom wall 30, so that it can be ensured that both the two first direction side walls 10 can be stacked on the bottom wall 30, and the sum of the width dimensions of the two second direction side walls 20 is designed to be smaller than or equal to the distance between the two second direction ends 302 of the bottom wall 30, so that both the two second direction side walls 20 can be stacked on the two first direction side walls 10. Preferably, the width dimension of the first-direction sidewall 10 and the width dimension of the second-direction sidewall 20 are the same.

It should be noted that the manner in which the bottom side of the first direction sidewall 10 is rotatably mounted on the first direction end 301 of the bottom wall 30 and the manner in which the bottom side of the second direction sidewall 20 is rotatably connected to the second direction end 302 of the bottom wall 30 are not limited in the storage device of the present invention.

For example, in this specific example of the storage device shown in fig. 1A to 9, the first direction side wall 10, the second direction side wall 20, and the bottom wall 30 are all sheet metal parts. The bottom side of the first directional sidewall 10 is bent to form a row of first connecting elements 101 spaced apart from each other, the bottom side of the second directional sidewall 20 is bent to form a row of second connecting elements 201 spaced apart from each other, each of the first directional ends 301 of the bottom wall 30 is bent to form a row of third connecting elements 303 spaced apart from each other, and each of the second directional ends 302 of the bottom wall 30 is bent to form a row of fourth connecting elements 304 spaced apart from each other. Each of the first coupling elements 101 of the first direction sidewall 10 and each of the third coupling elements 303 of the bottom wall 30 are fitted into each other, and one coupling shaft 40 of the receiving device penetrates each of the first coupling elements 101 of the first direction sidewall 10 and each of the third coupling elements 303 of the bottom wall 30 to rotatably mount the bottom side of the first direction sidewall 10 to the first direction end 301 of the bottom wall 30. Accordingly, each of the second connection members 201 of the second direction side walls 20 and each of the fourth connection members 304 of the bottom wall 30 are fitted into each other, and the other connection shaft 40 of the receiving device penetrates each of the second connection members 201 of the second direction side walls 20 and each of the fourth connection members 304 of the bottom wall 30 to rotatably mount the bottom side of the second direction side walls 20 at the second direction end 302 of the bottom wall 30.

With continued reference to fig. 1A to 9, the bottom wall 30 includes two first-direction side plates 31, two second-direction side plates 32, and a bottom plate 33. Each of the first direction side plates 31 extends upward from a pair of opposite sides of the bottom plate 33 to form each of the first direction ends 301 of the bottom wall 30, so that a bottom side of each of the first direction side walls 10 is rotatably mounted to each of the first direction side plates 31 of the bottom wall 30, respectively, so that the first direction side walls 10 can be flatly stacked on the bottom plate 33 of the bottom wall 30 when the storage device is in the folded state. Each of the second direction side plates 32 extends upward from the other pair of opposite sides of the bottom plate 33 to form each of the second direction ends 302 of the bottom wall 30, so that the bottom side of each of the second direction side walls 20 is rotatably mounted to each of the second direction side plates 32 of the bottom wall 30, and the second direction side plates 32 are higher than the first direction side plates 31, so that the second direction side walls 20 can be flatly stacked on the first direction side walls 10 when the storage apparatus is in the folded state.

With continued reference to fig. 1A to 9, each end of the first direction side wall 10 forms a first direction end wall 102 by bending, and when the storage device is in the unfolded state, each first direction end wall 102 of the first direction side wall 10 is respectively attached to an end of each second direction side wall 20, so as to allow the first direction side wall 10 and the second direction side wall 20 to form a surface-to-surface contact manner, thereby ensuring the reliability of the connection relationship between the ends of the first direction side wall 10 and the ends of the second direction side walls 20.

It is worth mentioning that the connection mode between the end of the first direction sidewall 10 and the end of the second direction sidewall 20 is not limited in the storage device. For example, in this specific example of the receiving device shown in fig. 1A to 9, after the first direction end wall 102 of the first direction side wall 10 is attached to the end of the second direction side wall 20, the first direction end wall 102 of the first direction side wall 10 and the end of the second direction side wall 20 are screwed by screws to ensure that the end of the first direction side wall 10 and the end of the second direction side wall 20 have a reliable mounting relationship.

Preferably, each end of the second direction side wall 20 is bent to form a second direction end wall 202, and after the first direction end wall 102 of the first direction side wall 10 and the end of the second direction side wall 20 are screwed by a screw, the end of the screw is adjacent to the second direction end wall 202 of the second direction side wall 20, so as to hide the screw.

Preferably, the top side of the first direction sidewall 10 is bent to form a first direction edge 103 for improving the structural strength of the first direction sidewall 10 to ensure the flatness of the first direction sidewall 10, and the top side of the second direction sidewall 20 is bent to form a second direction edge 203 for improving the structural strength of the second direction sidewall 20 to ensure the flatness of the second direction sidewall 20, wherein when the storage device is in the unfolded state, the first direction edge 103 of the first direction sidewall 10 and the second direction edge 203 of the second direction sidewall 20 are aligned to improve the aesthetic property of the storage device and prevent a user's hand from being injured when the user stores an article into the storage space 100 of the storage device or takes out the article from the storage space 100.

With continued reference to fig. 1A to 9, the storage device further includes at least one partition plate 50, when the opposite ends of the partition plate 50 are respectively installed on each of the second direction sidewalls 20, on one hand, since each of the first direction sidewalls 10 is clamped between each of the second direction sidewalls 20, the partition plate 50 can stabilize the structural relationship of each of the first direction sidewalls 10, each of the second direction sidewalls 20, and the bottom wall 30 to prevent the first direction sidewalls 10 and the second direction sidewalls 20 from automatically rotating, and on the other hand, the partition plate 50 can partition the storage space 100 of the storage device, so that a user can respectively store different articles on the opposite sides of the partition plate 50.

Preferably, the receiving device allows a user to mount the partition 50 on the second directional sidewall 20 by hand, so as to reduce the assembling difficulty of the receiving device and improve the user experience. For example, in this specific example of the receiving device shown in fig. 1A to 9, the middle portion of each of the second direction side walls 20 is provided with at least one insertion hole 204, and each end portion of the partition 50 is provided with at least one insertion piece 51, respectively, wherein when the partition 50 is mounted to each of the second direction side walls 20 from top to bottom, each of the insertion pieces 51 of the partition 50 is inserted into and held in the insertion hole 204 of each of the second direction side walls 20, respectively, to connect each of the second direction side walls 20 at the middle portion of each of the second direction side walls 20 by the partition 50 and to partition the receiving space 100 of the receiving device by the partition 50.

Preferably, each of the second direction side walls 20 is provided at a middle portion thereof with at least two of the insertion holes 204, the two insertion holes 204 are arranged along a width direction of the second direction side wall 20, and correspondingly, each of the end portions of the partition 50 is provided with at least two of the inserts 51, the two inserts 51 are arranged along the width direction of the partition 50, wherein each of the inserts 51 of the partition 50 is inserted into and held in the insertion hole 204 of each of the second direction side walls 20 when the partition 50 is mounted to each of the second direction side walls 20 from top to bottom, so as to connect each of the second direction side walls 20 by the partition 50 at the middle portion of each of the second direction side walls 20 and to partition the receiving space 100 of the receiving device by the partition 50, so that the partition 50 can be prevented from being inclined when the receiving device is used.

Preferably, at least one row of the insertion holes 204 is respectively formed in the middle of each of the second direction side walls 20, one row of the insertion holes 204 is arranged along the length direction of the second direction side wall 20, the inserts 51 of the partition board 50 can be inserted into the insertion holes 204 at different positions of the second direction side wall 20, or more than two inserts 51 of the partition board 50 can be inserted into the insertion holes 204 at different positions of the second direction side wall 20, so as to partition the receiving space 100 of the receiving device as required.

It is worth mentioning that the manner of forming the insertion hole 204 in the middle of the second direction sidewall 20 is not limited in the storage device of the present invention. For example, the insertion hole 204 may be formed in the middle of the second direction sidewall 20 by punching.

It is worth mentioning that the manner of forming the insert 51 at the end of the partition 50 is not limited in the storage device of the present invention. For example, the partition 50 may be a sheet metal member, and the end of the partition 50 may be bent to form the insert 51.

In addition, a top side of the partition plate 50 may be bent to form a partition plate edge 52 for improving the structural strength of the partition plate 50 and ensuring the flatness of the partition plate 50, and when the opposite ends of the partition plate 50 are mounted to each of the second direction sidewalls 20, the partition plate edge 52 of the partition plate 50, the first direction edge 103 of the first direction sidewall 10, and the second direction edge 203 of the second direction sidewall 20 are aligned to improve the aesthetic appearance of the storage device and prevent a user's hand from being injured when the user stores an article in the storage space 100 of the storage device or takes it out from the storage space 100.

The bottom side of the partition 50 may be bent to form a fitting wall 53 for improving the structural strength of the partition 50 and ensuring the flatness of the partition 50, and when the opposite ends of the partition 50 are mounted on each of the second direction sidewalls 20, the fitting wall 53 of the partition 50 is fitted to the bottom plate 33 of the bottom wall 30, so as to further improve the stability of the storage device in the unfolded state.

Alternatively, in another example of the receiving device of the present invention, the insertion holes 204 may be provided at an end portion of the partition plate 50, and the inserts 51 may be provided at a middle portion of the second direction sidewall 20, wherein when the partition plate 50 is installed on each of the second direction sidewalls 20 from top to bottom or from left to right, each of the inserts 51 of the second direction sidewall 20 is respectively inserted and held in each of the insertion holes 204 of the partition plate 50, so that each of the second direction sidewalls 20 is connected to the middle portion of each of the second direction sidewalls 20 by the partition plate 50 and the receiving space 100 of the receiving device is partitioned by the partition plate 50.

Preferably, the receiving means may form a drawer. In order to increase the aesthetic appearance of the storage device as a drawer, in this specific example of the storage device shown in fig. 1A to 9, the storage device further includes a decoration unit 60, wherein one of the two second-direction side walls 20, the second-direction side wall 20, is mounted to the decoration unit 60, and the decoration unit 60 covers this second-direction side wall 20.

Specifically, the decoration unit 60 includes a decoration frame 61 and a decoration panel 62 mounted to the decoration frame 61, wherein the two second direction end walls 202 of one of the second direction side walls 20 may be attached to opposite ends of the decoration frame 61 and screwed to ends of the second direction side wall 20 and ends of the decoration frame 61 by screws, thereby mounting one of the second direction side walls 20 to the decoration unit 60.

It is worth mentioning that the manner in which the decoration panel 62 is mounted to the decoration frame 61 is not limited in the storage device of the present invention. For example, referring to fig. 2, the decorative frame 61 may be provided with a catching groove 611, wherein an edge of the decorative panel 62 is caught in the catching groove 611 of the decorative frame 61 to mount the decorative panel 62 to the decorative frame 61. Alternatively, in other embodiments, the decorative panel 62 may be adhered to the decorative frame 61 by glue.

Preferably, the decoration unit 60 includes a pull handle 63, wherein the pull handle 63 integrally extends from the decoration frame 61, so that a user can operate the storage device as a drawer through the pull handle 63. Alternatively, the pull tab 63 may be integrally extended from the decoration panel 62, or the pull tab 63 may be mounted to the decoration frame 61.

Fig. 6 to 9 show the process of switching the storage device from the folded state to the unfolded state according to the present invention.

Referring to fig. 6, the two second-direction side walls 20 are allowed to rotate about the connecting shafts 40 relative to the second-direction side plates 32 of the bottom wall 30, and the two second-direction side walls 20 are maintained in a state of being substantially perpendicular to the bottom plate 33 of the bottom wall 30. It will be appreciated that, since the decoration unit 60 is mounted to one of the second-direction side walls 20, when the second-direction side wall 20 is allowed to rotate about the connecting shaft 40 with respect to the second-direction side plate 32 of the bottom wall 30, the decoration unit 60 rotates synchronously to maintain the decoration unit 60 in a state of being substantially perpendicular to the bottom plate 33 of the bottom wall 30.

Referring to fig. 7, the two first-direction side walls 10 are allowed to rotate about the connecting shaft 40 with respect to the first-direction side plate 31 of the bottom wall 30, and the two first-direction side walls 10 are maintained in a state of being substantially perpendicular to the bottom plate 33 of the bottom wall 30. At this time, the first direction end wall 102 of the first direction side wall 10 may be attached to an end of the second direction side wall 20 in a contact manner allowing the first direction side wall 10 and the second direction side wall 20 to form surface-to-surface contact.

Referring to fig. 8, the first direction end wall 102 of the first direction side wall 10 and the second direction side wall 20 are locked using screws to connect the end of the first direction side wall 10 and the end of the second direction side wall 20 so that the receiving device can form the receiving space 100 between the first direction side wall 10, the second direction side wall 20 and the bottom wall 30.

With continued reference to fig. 8 and 9, the partition 50 is mounted to the second-direction side walls 20 from top to bottom in such a manner that the insert 51 of the partition 50 is inserted into the insertion hole 204 of the second-direction side wall 20, so that each of the second-direction side walls 20 is connected by the partition 50 at the middle portion of each of the second-direction side walls 20 and the receiving space 100 of the receiving device is partitioned by the partition 50, so that the receiving device is stably maintained in the unfolded state.

It is understood that, when it is required to switch the storage apparatus from the unfolded state to the folded state, first, the partition 50 and each of the second-direction side walls 20 are separated from bottom to top; secondly, removing screws for locking the first direction end wall 102 and the second direction side wall 20 of the first direction side wall 10; thirdly, allowing the first-direction side wall 10 to rotate about the connecting shaft 40 relative to the first-direction side plate 31 of the bottom wall 30, so that the first-direction side wall 10 overlaps the bottom plate 33 of the bottom wall 30; finally, the second direction side wall 20 is allowed to rotate about the connecting shaft 40 relative to the second direction side plate 32 of the bottom wall 30 so that the second direction side wall 20 overlaps the first direction side wall 10.

Fig. 10A and 10B show a modified example of the storage device according to the above preferred embodiment of the present invention, different from the storage device shown in fig. 1A to 9, in this specific example of the storage device shown in fig. 10A and 10B, the storage device allows a user to switch the storage device from the folded state to the unfolded state by hand, and the stability of the storage device in the unfolded state can be ensured.

Specifically, the first direction end wall 102 of the first direction side wall 10 is provided with at least one positioning hole 1021, and the end of the second direction side wall 20 is provided with at least one positioning post 205, wherein the positioning post 205 of the second direction side wall 20 can be positioned in the positioning hole 1021 of the first direction end wall 102 of the first direction side wall 10 when the storage device is in the unfolded state.

More specifically, the process of the storage device switching from the folded state to the unfolded state shown in fig. 10A and 10B of the present invention is: first, the two second-direction side walls 20 are allowed to rotate about the connecting shaft 40 with respect to the second-direction side walls 32 of the bottom wall 30, and the two second-direction side walls 20 are maintained in a state of being substantially perpendicular to the bottom plate 33 of the bottom wall 30; secondly, allowing the two first-direction side walls 10 to rotate around the connecting shaft 40 relative to the first-direction side plate 31 of the bottom wall 30, and keeping the two first-direction side walls 10 in a state of being substantially perpendicular to the bottom plate 33 of the bottom wall 30, at this time, the first-direction end wall 102 of the first-direction side wall 10 can be attached to the end portion of the second-direction side wall 20, and the positioning column 205 of the second-direction side wall 20 can be positioned in the positioning hole 1021 of the first-direction end wall 102 of the first-direction side wall 10, so as to allow the first-direction side wall 10 and the second-direction side wall 20 to form a surface-to-surface contact manner; again, the partition plate 50 is installed on the second-direction side walls 20 from top to bottom in such a manner that the insert 51 of the partition plate 50 is inserted into the insertion hole 204 of the second-direction side wall 20, so that each of the second-direction side walls 20 is connected by the partition plate 50 at the middle portion of each of the second-direction side walls 20 and the receiving space 100 of the receiving device is partitioned by the partition plate 50, so that the receiving device is stably maintained in the unfolded state.

In other words, unlike the storage apparatus shown in fig. 1A to 9, in this specific example of the storage apparatus shown in fig. 10A and 10B, it is not necessary to lock the end portion of the first-direction side wall 10 and the end portion of the second-direction side wall 20 with screws, but the positioning post 205 of the second-direction side wall 20 is allowed to be positioned in the positioning hole 1021 of the first-direction end wall 102 of the first-direction side wall 10, and the positioning post 205 of the second-direction side wall 20 is held in a state positioned in the positioning hole 1021 of the first-direction end wall 102 of the first-direction side wall 10 by the partition 50 to ensure that the storage apparatus is reliably held in the expanded state, so that the storage apparatus allows a user to switch the storage apparatus from the collapsed state to the expanded state by bare hands, and the stability of the storage apparatus in the expanded state can be ensured.

It should be noted that the manner of forming the positioning hole 1021 in the first direction end wall 102 of the first direction side wall 10 is not limited in the storage device of the present invention. For example, the positioning hole 1021 may be formed in the first direction end wall 102 of the first direction side wall 10 by means of punching.

It should be noted that the manner of forming the positioning column 205 at the end of the second direction sidewall 20 is not limited in the storage device of the present invention. For example, the positioning posts 205 may be formed at the end of the second direction sidewall 20 by stamping.

Alternatively, in another example of the storage device of the present invention, the positioning column 205 may be disposed on the first direction end wall 102 of the first direction side wall 10, and correspondingly, the positioning hole 1021 may be disposed on the end of the second direction side wall 20, so that the process of switching the storage device from the folded state to the unfolded state is: first, the two second-direction side walls 20 are allowed to rotate about the connecting shaft 40 with respect to the second-direction side plate 32 of the bottom wall 30, and the two second-direction side walls 20 are maintained in a state of being substantially perpendicular to the bottom plate 33 of the bottom wall 30; secondly, allowing the two first-direction side walls 10 to rotate around the connecting shaft 40 relative to the first-direction side plate 31 of the bottom wall 30, and keeping the two first-direction side walls 10 in a state of being substantially perpendicular to the bottom plate 33 of the bottom wall 30, at this time, the first-direction end wall 102 of the first-direction side wall 10 can be attached to the end portion of the second-direction side wall 20, and the positioning column 205 of the first-direction end wall 102 of the first-direction side wall 10 can be positioned in the positioning hole 1021 of the second-direction side wall 20, so as to allow the first-direction side wall 10 and the second-direction side wall 20 to form a surface-to-surface contact manner; again, the partition plate 50 is installed on the second-direction side walls 20 from top to bottom in such a manner that the insert 51 of the partition plate 50 is inserted into the insertion hole 204 of the second-direction side wall 20, so that each of the second-direction side walls 20 is connected by the partition plate 50 at the middle portion of each of the second-direction side walls 20 and the receiving space 100 of the receiving device is partitioned by the partition plate 50, so that the receiving device is stably maintained in the unfolded state.

According to another aspect of the present invention, the present invention further provides a method for unfolding the storage device, wherein the method for unfolding includes the steps of:

(a) Allowing the two second-direction side walls 20 to rotate at the two second-direction ends 302 of the bottom wall 30, respectively;

(b) Allowing the two first-direction side walls 10 to rotate at the two first-direction ends 301 of the bottom wall 30, respectively;

(c) The ends of the first-direction sidewalls 10 and the ends of the second-direction sidewalls 20 are connected to form the receiving space 100 between each of the first-direction sidewalls 10, each of the second-direction sidewalls 20, and the bottom wall 30 so that the receiving device is unfolded.

Referring to fig. 11 to 15B of the drawings accompanying the present specification, a foldable storage device according to a second preferred embodiment of the present invention will be disclosed and explained in the following description, wherein the storage device has a folded state and an unfolded state, and the storage device is configured to be switchable between the folded state and the unfolded state, and when the storage device is in the folded state, the storage device has a smaller size to reduce the space occupied by the storage device, thereby reducing the transportation and storage costs of the storage device, and when the storage device is in the unfolded state, the storage device forms a storage space 100A for a user to store articles.

Referring to fig. 11, the accommodating device includes two first-direction side walls 10A, two second-direction side walls 20A and a bottom wall 30A, wherein the bottom wall 30A is a square bottom wall having two first-direction ends 301A and two second-direction ends 302A, wherein a bottom side of each of the first-direction side walls 10A is rotatably mounted to each of the first-direction ends 301A of the bottom wall 30A, and a bottom side of the first-direction side wall 10A forms a connecting side of the first-direction side wall 10A, wherein a bottom side of each of the second-direction side walls 20A is rotatably mounted to each of the second-direction ends 302A of the bottom wall 30A, and a bottom side of the second-direction side wall 20A forms a connecting side of the second-direction side wall 20A. When the storage device is in the folded state, each of the first direction side walls 10A is respectively stacked on the bottom wall 30A, and each of the second direction side walls 20A is respectively stacked on each of the first direction side walls 10A, so that the storage device has a small size to reduce a space occupied by the storage device, thereby reducing transportation and storage costs of the storage device.

When the storage device is in the unfolded state, opposite ends of any one of the first-direction side walls 10A are connected to one end of adjacent two of the second-direction side walls 20A, respectively, so that the storage device forms the storage space 100A between each of the first-direction side walls 10A, each of the second-direction side walls 20A, and the bottom wall 30A.

When the storage device is allowed to be switched from the folded state to the unfolded state, first, each of the second direction side walls 20A is rotated, second, each of the first direction side walls 10A is rotated, and again, an end portion of the first direction side wall 10A and an end portion of the second direction side wall 20A are connected to maintain each of the first direction side walls 10A in a state perpendicular to the bottom wall 30A, each of the second direction side walls 20A is maintained in a state perpendicular to the bottom wall 30A, and each of the first direction side walls 10A is maintained in a state perpendicular to each of the second direction side walls 20A, so that the storage device forms the storage space 100A between each of the first direction side walls 10A, each of the second direction side walls 20A, and the bottom wall 30A to place the storage device in the unfolded state.

And, the utility model discloses a storage device is allowed can from the expanded state switch to folded state, when allowing storage device from the expanded state to folded state switches, firstly, separate the tip of first direction lateral wall 10A with the tip of second direction lateral wall 20A, secondly, rotate every first direction lateral wall 10A, so that every first direction lateral wall 10A superposes in diapire 30A, secondly, rotate every second direction lateral wall 20A, so that every second direction lateral wall 20A superposes in every first direction lateral wall 10A, so storage device is in folded state reduces the space that storage device shared.

It is worth mentioning that the dimension relation between the length dimension of the first direction side wall 10A and the length dimension of the second direction side wall 20A is not limited in the storage device. For example, in this specific example of the storage device of the present invention shown in fig. 11 to 15B, the length dimension of the first direction side wall 10A is smaller than the length dimension of the second direction side wall 20A. Alternatively, in other examples of the storage device of the present invention, the length dimension of the first direction sidewall 10A may be equal to the length dimension of the second direction sidewall 20A, or the length dimension of the first direction sidewall 10A may be greater than the length dimension of the second direction sidewall 20A.

In order to ensure that the storage device in the folded state has a small size, the sum of the width dimensions of the two first direction side walls 10A is designed to be smaller than or equal to the distance between the two first direction ends 301A of the bottom wall 30A, so that it can be ensured that both the first direction side walls 10A can be stacked on the bottom wall 30A, and the sum of the width dimensions of the two second direction side walls 20A is designed to be smaller than or equal to the distance between the two second direction ends 302A of the bottom wall 30A, so that both the second direction side walls 20A can be stacked on the two first direction side walls 10A. Preferably, the width dimension of the first-direction side wall 10A and the width dimension of the second-direction side wall 20A are the same.

Referring to fig. 12A and 12B, the first direction side wall 10A may be a sheet metal member, wherein a bottom side of the first direction side wall 10A is bent to form a row of first connecting elements 101A spaced from each other, opposite ends of the first direction side wall 10A are bent to form a first direction end wall 102A, respectively, a top side of the first direction side wall 10A is bent to form a first direction edge 103A and two locking members 104A, and the two locking members 104A are located at two ends of the first direction edge 103A, respectively.

Referring to fig. 13A and 13B, the second-direction side wall 20A may be a sheet metal member, wherein a bottom side of the second-direction side wall 20A is bent to form a row of second connecting elements 201A spaced apart from each other, opposite ends of the second-direction side wall 20A are bent to form second-direction end walls 202A, respectively, a top side of the second-direction side wall 20A is bent to form a second-direction edge 203A and two locking grooves 206A, and the two locking grooves 206A are located at two ends of the second-direction edge 203A, respectively. In addition, the middle portion of the second direction sidewall 20A may be provided with at least one insertion hole 204A.

Referring to fig. 14, the bottom wall 30A may be a sheet metal part, wherein the bottom wall 30A includes two first-direction side plates 31A, two second-direction side plates 32A, and a bottom plate 33A. Each of the first direction side plates 31A extends upward from one pair of opposite sides of the bottom plate 33A, respectively, to form each of the first direction ends 301A of the bottom wall 30A, each of the second direction side plates 32A extends upward from the other pair of opposite sides of the bottom plate 33A, respectively, to form each of the second direction ends 302A of the bottom wall 30A, and the second direction side plates 32A are higher than the first direction side plates 31A. The top side of each first direction side plate 31A of the bottom wall 30A is bent to form a row of third connecting elements 303A spaced apart from each other, and the top side of each second direction side plate 32A of the bottom wall 30A is bent to form a row of fourth connecting elements 304A spaced apart from each other.

Referring to fig. 15A and 15B, the storage device further includes a partition 50A, the partition 50A may be a sheet metal part, wherein opposite ends of the partition 50A are respectively provided with at least one insert 51A, a top side of the partition 50A may be bent to form a partition edge 52A, and a bottom side of the partition 50A may be bent to form an abutting wall 53A.

Referring to fig. 11, each of the first connection elements 101A of the first direction sidewall 10A and each of the third connection elements 303A of the bottom wall 30A are fitted into each other, and a connection shaft of the receiving device penetrates each of the first connection elements 101A of the first direction sidewall 10A and each of the third connection elements 303A of the bottom wall 30A to rotatably mount the bottom side of the first direction sidewall 10A to the first direction end 301A of the bottom wall 30A. Since each of the third connecting elements 303A of the bottom wall 30A is formed at the first-direction side plate 31A of the bottom wall 30A, each of the first-direction side walls 10A can be flatly superposed on the bottom plate 33A of the bottom wall 30A when the storage apparatus is in the folded state.

Each of the second connection members 201A of the second direction side walls 20A and each of the fourth connection members 304A of the bottom wall 30A are fitted into each other, and the other connection shaft of the receiving device penetrates each of the second connection members 201A of the second direction side walls 20A and each of the fourth connection members 304A of the bottom wall 30A to rotatably mount the bottom side of the second direction side walls 20A at the second direction end 302A of the bottom wall 30A. Since each of the fourth connecting elements 304A of the bottom wall 30A is formed on the second direction side plate 32A of the bottom wall 30A, respectively, and the second direction side plate 32A is higher than the first direction side plate 31A, each of the second direction side walls 20A can be flatly stacked on each of the first direction side walls 10A when the storage apparatus is in the folded state.

The process of the storage device shown in fig. 11 to 15B from the folded state to the unfolded state of the present invention is: first, the two second-direction side walls 20A are allowed to rotate about the connecting shaft with respect to the second-direction side plate 32A of the bottom wall 30A, and the two second-direction side walls 20A are held in a state of being substantially perpendicular to the bottom plate 33A of the bottom wall 30A; secondly, allowing the two first-direction side walls 10A to rotate about the connecting shaft with respect to the first-direction side plate 31A of the bottom wall 30A and keeping the two first-direction side walls 10A in a state of being substantially perpendicular to the bottom plate 33A of the bottom wall 30A, at which time the lock pieces 104A of the first-direction side walls 10A can be inserted into the lock grooves 206A of the second-direction side walls 20A; again, the partition plate 50A is installed on the second-direction side walls 20A from top to bottom in such a manner that the insert 51A of the partition plate 50A is inserted into the insertion hole 204A of the second-direction side wall 20A, so that each of the second-direction side walls 20A is connected by the partition plate 50A at the middle of each of the second-direction side walls 20A and the receiving space 100A of the receiving device is partitioned by the partition plate 50A, so that the receiving device is stably maintained in the unfolded state.

In other words, unlike the storage device shown in fig. 1A to 9, in this specific example of the storage device shown in fig. 11 to 15B, it is not necessary to lock the end of the first-direction side wall 10A and the end of the second-direction side wall 20A using screws, but the lock piece 104A of the first-direction side wall 10A is allowed to be inserted into the lock groove 206A of the second-direction side wall 20A, and the lock piece 104A of the first-direction side wall 10A is held in a state of being inserted into the lock groove 206A of the second-direction side wall 20A by the partition plate 50A to ensure that the storage device is reliably held in the expanded state, so that the storage device allows the user to switch the storage device from the folded state to the expanded state by bare hands, and the stability of the storage device in the expanded state can be ensured.

It is worth mentioning that, since the first direction side wall 10A and the second direction side wall 20A are both sheet metal members, in the process of inserting the locking member 104A of the first direction side wall 10A into the locking groove 206A of the second direction side wall 20A, the first direction side wall 10A and/or the second direction side wall 20A can be slightly deformed to ensure that the locking member 104A of the first direction side wall 10A is smoothly inserted into the locking groove 206A of the second direction side wall 20A. And the first-direction side wall 10A and the second-direction side wall 20A can automatically return to flat after the lock piece 104A of the first-direction side wall 10A is inserted into the lock groove 206A of the second-direction side wall 20A.

Referring to fig. 11, when the storage device is in the unfolded state, the partition edge 52A of the partition 50A, the first direction edge 103A of the first direction sidewall 10A, and the second direction edge 203A of the second direction sidewall 20A are aligned to improve the aesthetic appearance of the storage device and prevent a user's hand from being injured when the user stores an article into or takes out from the storage space 100A of the storage device, and the fitting wall 53A of the partition 50A is fitted to the bottom plate 33A of the bottom wall 30A to further improve the stability of the storage device in the unfolded state.

Preferably, referring to fig. 11, 13A and 13B, the second direction end wall 202A of the second direction side wall 20A forms a groove 2021A for accommodating a portion of the lock member 104A of the first direction side wall 10A which is not inserted into the lock groove 206A of the second direction side wall 20A, thereby preventing the lock member 104A of the first direction side wall 10A from protruding from the second direction end wall 202A of the second direction side wall 20A.

It will be appreciated by persons skilled in the art that the above embodiments are only examples, wherein features of different embodiments may be combined with each other to obtain embodiments which are easily imaginable in accordance with the disclosure of the invention, but which are not explicitly indicated in the drawings.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims (13)

1. Foldable storage device, its characterized in that includes:

two first direction sidewalls;

two second direction side walls; and

a bottom wall, wherein said bottom wall has two first direction ends and two second direction ends, wherein a bottom side of each of said first direction side walls is rotatably mounted to each of said first direction ends of said bottom wall, respectively, and wherein a bottom side of each of said second direction side walls is rotatably mounted to each of said second direction ends of said bottom wall, respectively;

wherein when the storage device is in a folded state, each of the first direction side walls is respectively stacked on the bottom wall, and each of the second direction side walls is respectively stacked on each of the first direction side walls, wherein when the storage device is in an unfolded state, opposite ends of any one of the first direction side walls are respectively connected to one end of each of the second direction side walls, so that a storage space is formed among the bottom wall, each of the first direction side walls, and each of the second direction side walls.

2. The storage device of claim 1, wherein the bottom wall includes a bottom plate, two first direction side plates and two second direction side plates, wherein each of the first direction side plates extends upward from one pair of opposite sides of the bottom plate, a bottom side of each of the first direction side plates is rotatably mounted to each of the first direction side plates, wherein each of the second direction side plates extends upward from the other pair of opposite sides of the bottom plate, a bottom side of each of the second direction side plates is rotatably mounted to each of the second direction side plates, and the second direction side plates are higher than the first direction side plates.

3. The storage apparatus according to claim 2, wherein opposite ends of the first direction side wall have first direction end walls, respectively, and the first direction end walls of the first direction side wall can be attached to end portions of the second direction side wall in a surface-to-surface contact manner.

4. The storage device of claim 3, wherein ends of the first and second directional end walls of the first directional side wall are lockable by screws.

5. The receiving device of claim 3, wherein the first direction end wall of the first direction side wall has at least one positioning hole and an end of the second direction side wall has at least one positioning post, wherein the positioning post of the second direction side wall is positionable in the positioning hole of the first direction end wall of the first direction side wall.

6. The receiving device of claim 3, wherein the first direction end of the first direction side wall has at least one positioning post and the second direction side wall end has at least one positioning hole, wherein the positioning post of the first direction end wall of the first direction side wall is positionable in the positioning hole of the second direction side wall.

7. The storage device of claim 3, wherein the first direction side wall has a locking piece at each of opposite ends thereof, and the second direction side wall has a locking groove at each of opposite ends thereof, wherein the locking piece of the first direction side wall can be inserted into the locking groove of the second direction side wall.

8. The storage device of claim 7, wherein each of the locking members of the first directional side wall is located at opposite ends of a first directional edge of the first directional side wall, and wherein each of the locking grooves of the second directional side wall is located at opposite ends of a second directional edge of the second directional side wall.

9. The receiving device according to any one of claims 1 to 8, further comprising at least one partition, opposite ends of which are respectively connected to a middle portion of each of the second-direction side walls.

10. The receiving device according to claim 9, wherein the partition has at least one insert at each of opposite ends thereof, and each of the second directional sidewalls has at least one insertion hole, wherein the insert of the partition can be inserted into the insertion hole of the second directional sidewall.

11. The receiving device according to claim 9, wherein the partition has at least two inserts on opposite sides thereof, respectively, the inserts being arranged along a width direction of the partition, each of the second-direction side walls has at least two insertion holes, respectively, the insertion holes being arranged along a width direction of the second-direction side walls, wherein each of the inserts of the partition is insertable into each of the insertion holes of the second-direction side walls.

12. The receiving device according to claim 9, wherein the partition has at least one insert on each of opposite sides thereof, each of the second directional side walls having a row of insertion holes arranged along a length of the second directional side wall, wherein the insert of the partition can be selectively inserted into one of the insertion holes in the row of the insertion holes of the second directional side wall.

13. The receiving device according to claim 9, wherein the partition has at least one insertion hole on opposite sides thereof, and each of the second directional sidewalls has at least one insertion piece, wherein the insertion pieces of the second directional sidewalls can be inserted into the insertion holes of the partition.

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