JP7323688B1 - folding storage device - Google Patents

Abstract

A collapsible storage device United States Patent 7500011 The present invention is a collapsible storage device that includes a collapsible drawer and a collapsible housing. The housing includes a top plate and two side plates, both sides of the top plate have convex walls protruding downward, and the ends of the two side plates are pivotally connected to the convex walls on both sides of the top plate. connected by a structure. The drawer can be pushed between two side plates of the housing and hidden within the housing. At least two positioning pieces projecting downward and extending in the front-rear direction are provided on the bottom edges of the two convex walls on both sides of the top plate of the housing. The upper surfaces of the two side plates are provided with long grooves extending back and forth at the positions of the respective positioning pieces. In addition, the two side plates can be moved rearwardly with respect to the top plate in an upright state to introduce each positioning piece into the respective corresponding long groove. Both side plates can be locked in an upright position. [Selection drawing] Fig. 1

Description

The present invention relates to a collapsible storage device consisting of a drawer and a housing. The drawer and housing are foldable and can be expanded or folded flat for storage depending on the usage.

A common plastic drawer storage device on the market includes a housing and a drawer. A drawer can be installed in the housing, either presented with a drawer or hidden with a push-in. The housing is integrally molded with the drawer and has a large volume. There are also storage units with multi-storey drawer designs. The storage device is larger in size, takes up more space when not in use, adversely affects storage and warehousing, and increases the cost of shipping the product.

Storage devices consisting of drawers and housings are common on the market, the drawers being foldable and the housings being combinable. The drawer can be folded into a flat shape and the housing parts can be stacked one on top of the other in a flat shape before being held in the hands of the consumer so that the storage device occupies less space. In addition, it is advantageous for storage and transportation. After the consumer purchases the storage device, the consumer can assemble the housing in an upright position, each plate of the drawer is deployed in an upright position, and the housing is difficult to disassemble once assembled. When the consumer moves or packs or transports the storage device for some reason, it is difficult to remove the housing, which causes troubles in storage and transportation.

The applicant of the present application discloses a storage device consisting of a housing and a drawer in the patent application "Japanese Patent Application No. 2021-68268". The housing and drawers of the storage device are foldable, which occupies less space in storage, storage and transportation, but when the housing is unfolded, the plates on both sides have poor positioning strength in the upright state.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a collapsible storage device with a drawer and a housing. The drawer and housing are all collapsible and have good structural strength when the housing is deployed to its standing position.

SUMMARY OF THE INVENTION The present invention provides a collapsible storage device with a collapsible drawer and a collapsible housing. The drawer can be folded flat and unfolded into a box. The housing can be folded upright or flat.

The housing includes a top plate and two side plates. Each side of the top plate has a convex wall projecting downward. The ends of the two side plates are connected to the convex walls on both sides of the top plate by pivoting structures. Each of the two side plates swings about the pivot of this pivot structure, and assumes an upright or flat lateral shape. The drawer is guided between two side plates of the housing and can be hidden within the housing. At least two positioning pieces protruding downward and extending back and forth are provided at the bottom edges of the two convex walls on both sides of the top plate of the housing. The upper surfaces of the two side plates are provided with longitudinally extending long grooves at the positions of the respective positioning pieces, and the rear ends of the long grooves are openings. The two side plates can be moved rearwardly with respect to the top plate in an upright state to introduce each positioning piece into the respective corresponding long groove.

A downwardly protruding baffle is provided at the rear edge of the top plate of the housing, and ridges are provided at both left and right ends of the baffle. Elastic hooks are provided on the inner surfaces of the rear ends of the two side plates, respectively, and the elastic hooks of the two side plates hook the ridges of the left and right extensions of the baffle, respectively, so that the two side plates are aligned. locked.

The rear ends of the long grooves of the two side plates of the housing are provided with openings communicating with the broken grooves, and the positioning pieces of the top plate can be introduced into the broken grooves and face the openings of the respective long grooves.

The tip of the positioning piece is provided with a head having a width larger than the width of the long groove of the two side plates. At least two shielding plates are provided on the two side plates so as to respectively shield the corresponding long grooves and the positioning pieces inserted into the respective long grooves.

The present invention consists of a drawer and a housing and can be folded flat. The storage volume is greatly reduced, which is advantageous for storage and transportation. Also, the housing has good structural strength when deployed, which is advantageous for use.

1 is an external view of an embodiment of the present invention; FIG. Figure 3 is an exploded view of the drawer and housing of the present invention; Fig. 2 is an external view of the drawer of the present invention folded flat; FIG. 4 is an external view showing an upright state in which the housing of the present invention is unfolded; FIG. 3 is an external view of the housing of the present invention folded flat; FIG. 6 is a partially enlarged view of FIG. 5; Figure 3 is an exploded view of the housing of the present invention; FIG. 4 is an exploded view of the top plate and side plates of the housing of the present invention; FIG. 4 is a diagram showing a state in which the two side plates of the housing of the present invention are turned outward by 90°; FIG. 4 is an enlarged view of a state in which the elastic hooks of the side plate of the present invention are hooked on the ridges of the baffle; FIG. 4 is an enlarged view of a partial cross-section of the shielding plate of the present invention; FIG. 4 is an operation diagram of stacking and using two storage devices of the present invention; FIG. 3 is a state diagram of stacking and using three storage devices of the present invention;

See FIGS. 1 and 2. FIG. The collapsible storage device disclosed by the present invention comprises a collapsible drawer 1 and a collapsible housing 2 . The drawer 1 includes a bottom plate 10, a front wall plate 11, a rear wall plate 12, a left wall plate 13, and a right wall plate 14. - 特許庁The front wall plate 11, the rear wall plate 12, the left wall plate 13, and the right wall plate 14 are pivotally attached to the front end, the rear end, the left end, and the right end of the bottom plate 10, respectively. The front wall plate 11, the rear wall plate 12, the left wall plate 13, and the right wall plate 14 are each capable of swinging about a pivot axis, and exhibiting an upright or horizontal shape. The drawer 1 can be folded into a flat shape as shown in FIG. 3, and can also be unfolded into a box shape (see FIG. 2). The structure of the folding drawer 1 is a well-known technique, and is not a technical feature required by the present invention, so the explanation thereof will be omitted.

See FIGS. 4-7. The housing 2 has a top plate 20 and two side plates 30 . Both sides of the top plate 20 are provided with convex walls 21 protruding downward. The ends of the two side plates 30 are connected to the convex walls 21 on both sides of the top plate 20 by pivoting. Each of the two side plates 30 is capable of swinging about a pivot 211 of a pivot structure, and has an upright or flat lateral shape.
That is, the housing 2 can be folded upright as shown in FIG. 4 or flattened (as shown in FIG. 5) depending on the state of use for convenient storage. The inner surfaces of the two side plates 30 are provided with guide grooves 31 in patterns corresponding to the left and right sides, with one opening directed inward. These two guide grooves 31 extend forward and backward. The two convex rails 101 on both side outer wall surfaces of the bottom plate 10 of the drawer 1 can be introduced into the two guide grooves 31 on the inner side surfaces of the two side plates, respectively, to push the drawer 1 into the housing 2 and pull it out of the housing 2. be able to.

The pivot structure between the tips of the two side plates 30 of the housing 2 and the top plate 20 includes at least two pivots 211 provided on the inner surfaces of the two convex walls 21 of the top plate 20 and the two side plates 30. and at least two hooks 32 attached to each other.
In this embodiment, the two convex walls 21 are each provided with four pivots 211 , and the two side plates 30 are each provided with four hooks 32 .
The hooks 32 of the two side plates 30 are hooked to the pivots 211 corresponding to the top plate 20 so that the two side plates 30 can be pivoted about the corresponding pivots 211 . Such a pivot structure in which the pivot 211 and the hook 32 are fitted is a common technique. In the present invention, the length of pivot shaft 211 is greater than the width of hook 32 to allow hook 32 to move back and forth along the corresponding pivot 211 . The two side plates 30 can move back and forth with respect to the top plate 20 in the upright state shown in FIG. 9, resulting in the state shown in FIG.

See FIGS. 7 and 8. FIG. At least two downwardly projecting positioning pieces 22 and 23 extending in the front-rear direction are provided on the bottom edges of the two convex walls 21 on both sides of the top plate 20 of the housing 2 . In this embodiment, the number of the positioning pieces 22 and 23 on the two convex walls 21 is three each in the left and right corresponding forms. Three positioning pieces 22 and 23 on the same convex wall 21 are provided along the same straight line direction. The top surfaces of the two side plates 30 are provided with longitudinally extending long grooves 33 and 34 at the positions of the positioning pieces 22 and 23, respectively, and the rear ends of the long grooves 33 and 34 are open. When the two side plates 30 are turned upright outward about the pivot 211, the positioning pieces 22 and 23 are directed to the openings of the corresponding long grooves 33 and 34, respectively. When the two side plates 30 are moved backward with respect to the top plate 20 and the respective positioning pieces 22, 23 are introduced into the corresponding long grooves 33, 34, the two side plates 30 are locked in an upright state. In practice, the openings of the long grooves 33 and 34 are widened so that the positioning pieces 22 and 23 can be easily introduced into the long grooves 33 and 34 . Heads 221 and 231 having a width larger than the width of the long grooves 33 and 34 of the two side plates 30 are provided at the tips of the positioning pieces 22 and 23 . The inner edges of the bottom edges of the two convex walls 21 of the top plate 20 are arc-shaped, and as shown in FIG. When the side plate 30 is turned upright, the top surface of the side plate 30 and the bottom surface of the convex wall 21 are in contact with each other.

See FIGS. 5 and 6. FIG. A baffle 24 protruding downward is provided at the rear edge of the top plate 20 of the housing 2 . The bottom edge of the baffle 24 is lower than the bottom ends of the two convex walls 21 . A forwardly extending left extending portion 241 is provided on the left side of the baffle 24 , and a forwardly extending right extending portion 242 is provided on the right side of the baffle 24 . The left extending portion 241 is provided at the front edge of the right extending portion 242 with a ridge 243 protruding inward in a vertically extending direction. Elastic hooks 35 are provided on the inner surfaces of the rear ends of the two side plates 30, respectively. When the two side plates 30 move rearward for positioning, each positioning piece 22, 23 is introduced into the corresponding long groove 33, 34, respectively, so that the two side plates 30 cannot swing (see FIGS. 9 and 10). want to be). At the same time, the elastic hooks 35 of the two side plates 30 engage the left extending portion 241 of the baffle 24 and the ridges 243 of the right extending portion 242 respectively, thereby locking the positions of the two side plates 30 .

See FIG. The rear end openings of the long grooves 33 of the two side plates 30 communicate with the broken grooves 331 respectively. When the two side plates 30 move forward with respect to the top plate 20 and reach the foremost end, it is the timing of the operation to turn the side plates 30 outward. At this time, each positioning piece 22 of the top plate 20 can be introduced into the corresponding fracture groove 331 without hindering the rotating operation of the two side plates 30 . When the two side plates 30 are turned upright, each positioning piece 22 is directed toward the opening of the corresponding long groove 33, respectively. The openings of the long grooves 34 located at the rearmost ends of the two side plates 30 are provided directly on the rear end surfaces of the two side plates 30 . As a result, the rear end of the rearmost long groove 34 is open. When the two side plates 30 are turned upright to the outside, the rearmost positioning pieces 23 of the two convex walls 21 of the top plate 20 are aligned with the rearmost long grooves 34 of the two side plates 30. (see FIG. 6). Through holes 37 are provided in the rear end surfaces of the two side plates 30 to allow the insertion of the positioning pieces 23 .

The hook 32 is positioned to move to the forefront of the pivot 211 when the side plate 30 is in a flat state. In this state, the side plate 30 may be turned upright outward. Subsequently, the side plate 30 is moved rearward, and the positioning pieces 22 and 23 are introduced into the corresponding long grooves 33 and 34, respectively, so that the side plate 30 cannot be folded. At the same time, the elastic hooks 35 of the two side plates 30 can catch the ridges 243 on the left extension 241 and the right extension 242 of the baffle 24 to lock the position of the two side plates 30 . The side plate 30 does not move forward during use.

See FIGS. 4 and 11. FIG. The two side plates 30 have relatively weak structural strength at the positions where the long grooves 33, 34 and the broken grooves 331 are provided. Therefore, at least two shielding plates 332 and 341 are provided on the two side plates to shield the corresponding long grooves 33 and 34 and the positioning pieces 22 and 23 inserted into the long grooves 33 and 34, respectively. Both ends of the shielding plates 332 and 341 are integrally connected with the bottom plate of the side plate 30 to reinforce the strength of the positions where the long grooves 33 and 34 and the broken groove 331 are provided.

The top plate 20 of the housing 2 has four bumps 25 protruding upward from the tip thereof, and two small holes 36 are provided at the bottom surfaces of the two side plates 30, respectively. The four bumps 25 on the top plate 20 of one housing 2 are caught in the four small holes 36 on the two side plates 30 of the other housing 2, respectively, so that the two or more housings are separated in the state shown in FIGS. 2 can be used by stacking them vertically and connecting them.

In summary, the present invention provides a storage device consisting of a drawer 1 and a housing 2, which can be folded into a flat shape to greatly reduce the storage volume, which is convenient for storage and transportation. In addition, the housing 2 has excellent structural strength when deployed, which is advantageous for use.

The above descriptions of preferred embodiments of the invention are intended to be illustrative, not limiting. The embodiments are intended to explain the principles of the invention and enable those skilled in the art to use the invention in its various embodiments. The technical idea of the present invention can be determined by the appended claims and their equivalents.

1 drawer 2 housing 10 bottom plate 101 convex rail 11 front wall plate 12 rear wall plate 13 left side wall plate 14 right side wall plate 20 top plate 21 convex wall 211 pivot 22 positioning piece 221 head 23 positioning piece 231 head 24 baffle 241 left extension Part 242 Right extending part 243 Projection 25 Bump 30 Side plate 31 Guide groove 32 Hook 33 Long groove 331 Broken groove 332 Shielding plate 34 Long groove 35 Elastic hook 36 Small hole 37 Through hole

Claims (9)

A collapsible storage device, comprising a collapsible drawer and a collapsible housing, the housing having a top plate and two side plates, both sides of the top plate each having a convex wall protruding downward, The ends of the two side plates are respectively connected to the convex walls on both sides of the top plate by a pivot structure, and the two side plates are respectively pivotable about the pivots of the pivot structure, and stand upright. or can assume a recumbent position, the drawer can be introduced between two side plates of the housing and hidden within the housing;
At least two positioning pieces protruding downward and extending back and forth are provided on the bottom edges of the two convex walls on both sides of the top plate of the housing, and the upper surfaces of the two side plates are aligned with the positions of the respective positioning pieces. Long grooves extending back and forth are provided, the rear ends of each of the long grooves are open, the two side plates can be turned upright outward, and each of the positioning pieces is connected to the corresponding long groove. The two upright side plates facing the opening are movable rearwardly with respect to the top plate, and the positioning pieces are introduced into the corresponding long grooves so that the two side plates are in an upright state. A collapsible storage device, characterized in that it is positioned with a The rear edge of the top plate of the housing is provided with a downwardly protruding baffle, the lower end of the baffle is lower than the lower ends of the two convex walls, and the left side of the baffle has a left extension extending forward. A right extending portion extending forward is provided on the right side of the baffle, and the front edges of the left extending portion and the right extending portion are provided with ridges that protrude inward and extend vertically, Elastic hooks are provided on the inner surfaces of the rear ends of the two side plates, respectively, and the elastic hooks of the two side plates hook the ridges of the left extension and the right extension of the baffle, respectively. 2. A folding storage device according to claim 1, wherein the position of the side plates is locked. The rear end openings of each of the long grooves of the two side plates of the housing are respectively communicated with one broken groove, and each positioning piece of the top plate can be introduced into each of the broken grooves and directly into the opening of each of the long grooves. 2. A collapsible storage device according to claim 1, characterized in that it is oriented. The openings of the rearmost long grooves of the two side plates of the housing are directly provided on the rear end surfaces of the two side plates, and when the two side plates are turned upright outward, the two convex walls of the top plate are formed. 4. The folding storage device according to claim 3, wherein the rearmost positioning pieces of the two side plates are directed to the openings of the rearmost grooves of the two side plates. 5. The folding storage device according to claim 4, wherein through-holes for allowing passage of said positioning pieces are provided in the rear end surfaces of said two side plates. 2. The folding storage device according to claim 1, wherein the tip of each of said positioning pieces is provided with a head having a width larger than the width of the long groove of said two side plates. The two side plates of the housing are provided with at least two shielding plates for shielding each corresponding long groove and each positioning piece inserted into the long groove, respectively. folding storage device. The pivot structure between the tips of the two side plates of the housing and the top plate includes at least two pivots provided on the inner surfaces of the two convex walls of the top plate and at least two of the two side plates. hooks of the two side plates are hooked on the corresponding pivots of the top plate so that the two side plates can swing around the corresponding pivots, and the length of the pivots is the width of the hooks. 2. The folding storage device of claim 1, wherein said hooks are movable back and forth along corresponding pivots. 2. The folding storage device according to claim 1, wherein the inner edges of the bottom edges of the two convex walls of the top plate of the housing are arcuate.

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