IP Library › Granted Patent US 12,448,174
Granted Patent B2
US 12,448,174 · App. 18/648,710 · Granted Oct 21, 2025

Foldable storage box

Inventor: Jue Zhang (Taizhou, CN)
Assignee: Taizhou Huangyan Bicheer Technology Col, Ltd
B65D21/086
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Quick Facts
Patent No.
US 12,448,174
App. No.
18/648,710
Granted
Oct 21, 2025
Kind
B2
Abstract

A foldable storage box includes a box frame. The box frame and a bottom wall panel clamped at a bottom of the box frame form a storage space. The side walls of the box frame are provided with a plurality of fold hinges to fold the box frame. The bottom of the box frame is integrally formed with several support straps. The support straps are arranged on the outside of the bottom wall panel, and the support straps are engaged or mated with the bottom wall panel.

Claims (42)

1. A foldable storage box comprising:

a box frame, characterized in that the box frame and a bottom wall panel clamped at a bottom of the box frame form a storage space,

wherein a side wall of the box frame is provided with a plurality of frame hinges for folding the box frame, and the bottom of the box frame is integrally formed with a supporting strap,

wherein the supporting strap is arranged outside the bottom wall panel, and the supporting strap is mated with the bottom wall panel;

a middle strap folding hinge in a middle of the supporting strap;

a first end strap folding hinge provided on a first end of the supporting strap connecting the support strap to the box frame;

a second end strap folding hinge provided on a second end of the supporting strap connecting the support strap to the box frame

a plurality of second grooves on the back of the strap folding hinge; and

a third groove at the connection between the support strap and the box frame.

2. The foldable storage box according to claim 1 , characterized in that a plurality of intersecting bottom reinforcement strips are provided on a bottom surface of the bottom wall panel and each of the bottom reinforcement straps have a strip groove matching at least one of the supporting straps.

3. The foldable storage box according to claim 1 , characterized in that foot assemblies are provided at four corners below the bottom wall panel, and the foot assemblies include mounting bases, and a sliding device provided at the bottom of each mounting base,

wherein the bottom wall panel is provided with installation cavities at the four corners of the bottom wall panel, and the box frame is provided with, at the four corners at the bottom thereof, symmetrical connection holes at the four corners, wherein a fixing post matching the connection hole is symmetrically provided above the mounting base, and a mounting cavity is provided on the upper end side of the mounting base, the positioning post matched with the side wall.

4. The foldable storage box according to claim 1 , characterized in that a plurality of limiting plates are provided at the bottom edge of the box frame, and a plurality of limiting slots are provided at the bottom of the bottom wall panel;

bottom slots matching the limiting plates;

a plurality of limiting buckles are provided above the limiting plates, the limiting buckles clamped on the bottom wall,

wherein a plurality of positioning buckles are provided at the bottom of the bottom wall panel, and a plurality of positioning grooves matching the positioning buckles are provided at the bottom of the box frame.

5. The foldable storage box according to claim 1 , characterized in that the box frame comprises a jagged or corrugated side wall.

6. A foldable storage box comprising:

a box frame, characterized in that the box frame and a bottom wall panel clamped at a bottom of the box frame form a storage space,

wherein a side wall of the box frame is provided with a plurality of frame hinges for folding the box frame, and the bottom of the box frame is integrally formed with a supporting strap,

wherein the supporting strap is arranged outside the bottom wall panel, and the supporting strap is mated with the bottom wall panel;

a plurality of intersecting bottom reinforcement strips on a bottom surface of the bottom wall panel; and

a strip groove matching the supporting strap on one of the bottom reinforcement straps.

7. A foldable storage box comprising:

a box frame, characterized in that the box frame and a bottom wall panel clamped at a bottom of the box frame form a storage space,

wherein a side wall of the box frame is provided with a plurality of frame hinges for folding the box frame, and the bottom of the box frame is integrally formed with a supporting strap,

wherein the supporting strap is arranged outside the bottom wall panel, and the supporting strap is mated with the bottom wall panel; and

a foot assembly at each of the four corners below the bottom wall panel, each foot assembly including a mounting base and a sliding device provided at the bottom of each mounting base;

an installation cavity at each of the four corners of the bottom wall panel;

a symmetrical connection hole at each of the four corners at the bottom of the box frame;

a fixing post matching each of the connection holes symmetrically provided above the mounting base; and

a mounting cavity on the upper end side of each mounting base,

wherein the positioning posts are matched with the side wall.

8. A foldable storage box comprising:

a box frame, characterized in that the box frame and a bottom wall panel clamped at a bottom of the box frame form a storage space,

wherein a side wall of the box frame is provided with a plurality of frame hinges for folding the box frame, and the bottom of the box frame is integrally formed with a supporting strap,

wherein the supporting strap is arranged outside the bottom wall panel, and the supporting strap is mated with the bottom wall panel;

a plurality of limiting plates at the bottom edge of the box frame;

a plurality of limiting slots at the bottom of the bottom wall panel, the limiting slots at the bottom of the wall panel matching the limiting plates;

a plurality of limiting buckles above the limiting plates, the limiting buckles clamped on the bottom wall,

a plurality of positioning buckles at the bottom of the bottom wall panel; and

a plurality of positioning grooves matching the positioning buckles at the bottom of the box frame.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 29, 2024
From: ZHANG, JUE
To: TAIZHOU HUANGYAN BICHEER TECHNOLOGY CO., LTD.
Reel/Frame 067251/0120 →
Priority Claims (1)
CN 2023-21876444.2 · Jul 17, 2023 · national
Continuity (1)
Related Publication 20250026536A1 · Jan 23, 2025
References Cited (4)
US 20040140334A1 · Drane · 2004 [cited by examiner]
US 20050199624A1 · Wang · 2005 [cited by examiner]
US 20200165030A1 · Song · 2020 [cited by examiner]
US 20210316901A1 · Song · 2021 [cited by examiner]