Foldable container

Patent metadata

Field	Value
Publication number	US-11801970-B2
Application number	US-201716095240-A
Country	US
Kind code	B2
Filing date	Apr 18, 2017
Priority date	Apr 19, 2016
Publication date	Oct 31, 2023
Grant date	Oct 31, 2023

Abstract

Disclosed is a foldable container. The container comprises a base (5) and two pairs of side plates (1, 2, 3, 4). The side plates are connected to the base in a manner such that the side plates can be folded relative to the base. Each of the side plates is provided with at least one first reinforcement member (6). Where the side plates are in an upright state, the first reinforcement members of the adjacent side plates are mutually connected so as to form an annular integral body. By means of the structure of the reinforcement member, the strength of the side plates of the foldable container is improved, and the defect where the side plates turn white, and even bulge, deform and fail when the foldable container bears a heavy load is overcome.

First claim

The invention claimed is:

1. A foldable container, comprising:
a base and two pairs of side panels, each of the side panels being coupled to the base in a foldable manner relative to the base, wherein each of the side panels is provided with at least one first reinforcement member, and when the side panels are in an upright state the first reinforcement members of first and second adjacent ones of the side panels are mutually connected,
wherein an end of the first reinforcement member of the first adjacent one of the side panels is provided with a first connection structure, and a corresponding end of the first reinforcement member of the second adjacent one of the side panels is provided with a second connection structure, and when the first and second adjacent ones of the side panels are in the upright state, the first connection structure and the second connection structure are connected to each other, and
wherein the first connection structure is provided with a T-shaped interlocking structure and is fixed to the first reinforcement member by a fastener, and the second connection structure is provided with a T-shaped groove, the T-shaped groove the T-shaped interlocking structure is detachably engaged.

2. The foldable container according to claim 1 , wherein when the side panels are in the upright state, the first reinforcement members of the two pairs of side panels are connected to each other to form a ring-shaped integral body.

3. The foldable container according to claim 1 , wherein the first reinforcement member is disposed at a middle portion of the side panel.

4. The foldable container according to claim 1 , wherein the first reinforcement member is parallel to the base.

5. The foldable container according to claim 1 , wherein the first reinforcement member forms an angle with the base.

6. The foldable container according to claim 1 , wherein each side panel comprises an inner panel and an outer panel which are fixedly coupled to each other, and the first reinforcement member is disposed between the inner panel and the outer panel.

7. The foldable container according to claim 6 , wherein the side panels are formed by welding the inner panel and the outer panel together.

8. The foldable container according to claim 6 , wherein a side of the inner panel and/or the outer panel on which the first reinforcement member is placed is provided with ribs.

9. The foldable container according to claim 1 , wherein the first connection structure and the first reinforcement member are separate members and are joined together by fasteners; and/or the second connection structure and the second reinforcement member are separate members and are joined together by fasteners.

10. The foldable container according to claim 9 , wherein the fastener is a screw or rivet.

11. The foldable container according to claim 9 , wherein the first connection structure and the second connection structure are exposed on a side of the side panel facing the adjacent side panel.

12. The foldable container according to claim 1 , wherein the first connection structure is provided with a first interlocking structure, and the second connection structure is provided with a second interlocking structure, wherein when the side panels are in the upright stat, the first interlocking structure and the second interlocking structure are interlocked with each other.

13. The foldable container according to claim 1 , wherein the second connection structure is provided with an interlocking portion and a connection portion, the interlocking portion is provided with the T-shaped groove, the connection portion is inserted into the first reinforcement member and fixed on the first reinforcement member by the fastener.

14. The foldable container according to claim 1 , wherein the first connection structure and/or the second connection structure are movably coupled to the first reinforcement member.

15. The foldable container according to claim 1 , wherein the first two adjacent one of the side panels comprises a first inner panel and a first outer panel that are fixedly coupled to each other, the first reinforcement member in the side panel comprises a first steel pipe and a dovetail member at both ends of the first steel pipe, a first U-shaped fixing piece and fastener, wherein a long hole is provided on the end of the first steel pipe, and the dovetail member comprises a T-shaped groove and is provided with a first connecting hole, and the first U-shaped fixing piece is provided with a second connecting hole, the first inner panel is provided with a third connecting hole, and the fastener sequentially passes through the second connecting hole, the long hole, the first connecting hole and the third connecting hole and thereby fix the first reinforcement member to the first inner panel; the first outer panel is provided with a groove for receiving the U-shaped fixing piece; and
the second adjacent one of the side panels comprises a second inner panel and a second outer panel that are fixedly coupled to each other, and the first reinforcement member in the side panel comprises a second steel pipe and a T-shaped wedge at both ends of the second steel pipe a second U-shaped fixing piece and fastener, wherein the second steel pipe is provided with an long neck at the end, used for receiving the second U-shaped fixing piece, the T-shaped wedge comprises a T-shaped interlocking portion and a connection portion, the connection portion is provided with a fourth connecting hole and inserted into the second steel pipe, the second U-shaped fixing piece is provided with a fifth connecting hole, and the fastener sequentially passes through the fifth connecting hole and the fourth connecting hole, so as to connect the U-shaped fixing piece and the T-shaped wedge to the second steel pipe, the inner panel is provided with a limiting groove for receiving the second steel pipe and the second U-shaped fixing piece.

16. The foldable container according to claim 1 , wherein each of the side panels also comprises a second reinforcement member, and the second reinforcement member is fixedly coupled to the first reinforcement member.

17. The foldable container according to claim 16 , wherein the second reinforcement member is perpendicular to the base.

18. The foldable container according to claim 1 , wherein a first end of the second reinforcement member extends to a top end of the side panel, and the other a second end of the second reinforcement member extends to a bottom end of the side panel.

Assignees

• Shanghai Hongyan Returnable Transit Packagings Co Ltd

Inventors

• Jian Yuanli
• TONG Sendi

Classifications

• B65D19/18 Primary

  made wholly or mainly of plastics material · CPC title

• B65D19/06

  with bodies formed by uniting or interconnecting two or more components · CPC title

• B65D2519/009

  whereby all side walls are hingedly connected to the base panel · CPC title

• B65D2519/00034

  Plastic · CPC title

• B65D2519/00069

  Plastic · CPC title