CN218537437U

CN218537437U - Foldable plastic packaging box

Info

Publication number: CN218537437U
Application number: CN202223212499.1U
Authority: CN
Inventors: 吴勇彬; 吴琛罕; 吴飞太; 周清
Original assignee: Shanghai Kaisu Packaging Material Co ltd
Current assignee: Shanghai Kaisu Packaging Material Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-02-28
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a folding plastic packaging box, including the bottom of the case, chassis and roof-rack, the top of the bottom of the case is protruding shaping structure, and the fixed grafting in top of the bottom of the case has the chassis, the bottom of the case all is provided with the side case with the lateral wall around and about the top-rack, the side case adopts flexible plastic to make, the top of chassis is articulated with the bottom of roof-rack and is installed and be used for folding foldable side bearer subassembly. The utility model discloses a pulling slider makes the slider slide in the inside of spout, realizes compressing the spring, drives the gag lever post through the slider and removes, and then makes gag lever post and spacing orifice plate separation, and then removes the locking between first side bearer and the second side bearer, through locking mechanism and then be convenient for remove the locking to folding side bearer subassembly, through first side bearer and second side bearer infolding for the angle between second side bearer and first side bearer and roof-rack and the chassis diminishes, and then realizes folding, thereby reduces its volume.

Description

Foldable plastic packaging box

Technical Field

The utility model relates to a packing box technical field, concretely relates to folding plastic packaging case.

Background

The packaging box is mainly for facilitating the transportation, loading, unloading and storage, along with the vigorous development of various industrial and commercial activities, the importance of various logistics operations is increasing day by day, no matter commodities are sold all over the world, or various raw materials are transported from one factory building to another factory building in the production process, a large amount of transportation demands are explosively increased to unprecedented places, in order to protect and transport products in the process of transporting various products, a very common method is to pack the products into a packaging box, then the packaging box filled with the products is delivered to a destination, and the packaging box plays a role of being not influenced by the outside in the product transportation process.

Current plastic packaging box wide application is in the family life, and plastic packaging box can be used for accomodating clothing, articles for daily use etc. and the most fixed structure of current plastic packaging box, and unable folding expansion space when not using it to hold article, its volume is great, can occupy great space, and is inconvenient to be deposited, and then makes to have certain limitation when using.

To this end, a foldable plastic packaging box is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the great problem that can occupation space of its volume when solving current plastic packaging box structure fixed not using it to hold article, the utility model provides a folding plastic packaging box.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a folding plastic packaging box, includes the bottom of the case, chassis and roof-rack, the top of the bottom of the case is protruding shaping structure, and the fixed grafting in top of the bottom of the case has the chassis, the side wall all is provided with the side case around the bottom of the case and the roof-rack and about, the side case adopts flexible plastic to make, the top of chassis is articulated with the bottom of roof-rack and is installed and be used for folding foldable side bearer subassembly, the surface of foldable side bearer subassembly is provided with locking mechanism.

Further, foldable side bearer subassembly includes first side bearer, first side bearer is installed in the top of the bottom of the case is articulated, the top fixed mounting of chassis has first limiting plate, the articulated second side bearer of installing in the top of first side bearer, the opposite face fixed mounting of first side bearer and second side bearer has the diaphragm, the top fixed mounting of first side bearer has the second limiting plate, the bottom surface fixed mounting of roof-rack has the third limiting plate.

Further, locking mechanism includes the slide rail, a lateral wall fixed mounting of second side bearer has the slide rail, the spout has been seted up to the inside of slide rail, the top fixed mounting of spout has the spring, the inside slidable mounting of spout has the slider, and the top of slider is fixed mounting setting with the bottom of spout, spring bottom fixed mounting has the gag lever post, a lateral wall fixed mounting of first side bearer has spacing orifice plate.

Furthermore, the bottom end of the other side wall of the first side frame, the top end and the bottom end of the other side wall of the second side frame are both provided with grooves, and are respectively arranged corresponding to the first limiting plate, the second limiting plate and the third limiting plate.

Further, the sliding groove and the sliding block are both of convex structures, and the sliding block and the sliding groove are arranged in a sliding mode.

Furthermore, the limiting rod and the slide rail are arranged in an inserting mode, and the limiting rod and the limiting hole plate are correspondingly arranged in an inserting mode.

The utility model has the advantages as follows:

1. the utility model discloses a be perpendicular setting with the top surface of chassis and the bottom surface of roof-rack respectively between first side bearer and the second side bearer, make first side bearer and second side bearer be the collineation, make the slider remove in the inside of spout under the spring action through the spring, and then make the gag lever post plug-in connection to the inside of spacing orifice plate, and then realize removing the locking between first side bearer and the second side bearer, make the slider slide in the inside of spout through the pulling slider, realize compressing the spring, it removes to drive the gag lever post through the slider, and then make gag lever post and spacing orifice plate separation, and then remove the locking between first side bearer and the second side bearer, and then be convenient for remove the locking to folding side bearer subassembly through locking mechanism, inwards fold through first side bearer and second side bearer, make the angle between second side bearer and first side bearer and roof-rack and the chassis diminish, and then realize folding, thereby reduce its volume.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of a side sectional view of the present invention;

fig. 3 is a schematic structural view of a front sectional view of the present invention;

FIG. 4 is a schematic view showing an enlarged view of the part A of the present invention;

reference numerals are as follows: 1. the box bottom; 2. a chassis; 3. a side box; 4. a top frame; 5. a folding side frame assembly; 501. a first side frame; 502. a first limit plate; 503. a second side frame; 504. a second limiting plate; 505. a third limiting plate; 506. a transverse plate; 6. a locking mechanism; 601. a slide rail; 602. a chute; 603. a spring; 604. a slider; 605. a limiting rod; 606. and limiting the pore plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, a foldable plastic packing box comprises a box bottom 1, an underframe 2 and a top frame 4, wherein the top of the box bottom 1 is of a convex forming structure, the underframe 2 is fixedly inserted into the top of the box bottom 1, side boxes 3 are respectively arranged on the front side wall, the rear side wall, the left side wall and the right side wall of the box bottom 1 and the top frame 4, the side boxes 3 are made of flexible plastics, a foldable side frame assembly 5 for folding is hinged to the top of the underframe 2 and the bottom of the top frame 4, and a locking mechanism 6 is arranged on the surface of the foldable side frame assembly 5; specifically, during unfolding, the foldable side frame assemblies 5 are vertically unfolded to enable the foldable side frame assemblies 5 to be vertical, the foldable side frame assemblies 5 are conveniently fixed through the locking mechanisms 6, then the top frame 4 and the bottom frame 2 are unfolded, so that the side boxes 3 are unfolded, during folding, the foldable side frame assemblies 5 are conveniently unlocked through the locking mechanisms 6, the top frame 4 and the bottom frame 2 are directly folded and contracted through folding the foldable side frame assemblies 5, and then the side boxes 3 are folded.

As shown in fig. 2, 3 and 4, the foldable side frame assembly 5 includes a first side frame 501, the first side frame 501 is hinged to the top of the box bottom 1, a first limit plate 502 is fixed to the top of the bottom frame 2, a second side frame 503 is hinged to the top end of the first side frame 501, a transverse plate 506 is fixed to the opposite surface of the first side frame 501 and the second side frame 503, a second limit plate 504 is fixed to the top end of the first side frame 501, and a third limit plate 505 is fixed to the bottom surface of the top frame 4; specifically, when the foldable frame is unfolded, the first side frame 501 and the second side frame 503 are respectively vertically arranged with the top surface of the bottom frame 2 and the bottom surface of the top frame 4, so that the first side frame 501 and the second side frame 503 are collinear, and when the foldable frame is folded, the first side frame 501 and the second side frame 503 are folded inwards, so that the angle between the second side frame 503 and the first side frame 501 and the angle between the top frame 4 and the bottom frame 2 are reduced, and the foldable frame is folded, so that the size of the foldable frame is reduced.

As shown in fig. 3 and 4, the locking mechanism 6 includes a slide rail 601, a slide rail 601 is fixedly mounted on a side wall of the second side frame 503, a slide groove 602 is formed inside the slide rail 601, a spring 603 is fixedly mounted on a top of the slide groove 602, a slider 604 is slidably mounted inside the slide groove 602, a top end of the slider 604 and a bottom end of the slide groove 602 are fixedly mounted, a limiting rod 605 is fixedly mounted on a bottom end of the spring 603, and a limiting hole plate 606 is fixedly mounted on a side wall of the first side frame 501; specifically, the sliding block 604 is pulled to slide in the sliding groove 602, so that the spring 603 is compressed, the sliding block 604 drives the limiting rod 605 to move, the limiting rod 605 is separated from the limiting hole plate 606, the locking between the first side frame 501 and the second side frame 503 is released, the sliding block 604 is made to move in the sliding groove 602 under the action of the elastic force of the spring 603, the limiting rod 605 is inserted into the limiting hole plate 606, and the locking between the first side frame 501 and the second side frame 503 is released.

As shown in fig. 2 and 3, the bottom end of the other sidewall of the first side frame 501 and the top end and the bottom end of the other sidewall of the second side frame 503 are both provided with grooves, and are respectively disposed corresponding to the first limiting plate 502, the second limiting plate 504 and the third limiting plate 505; specifically, the first limiting plate 502, the second limiting plate 504, and the third limiting plate 505 are used to limit the first side frame 501 and the second side frame 503 conveniently during unfolding.

As shown in fig. 3 and 4, the sliding groove 602 and the sliding block 604 are both convex structures, and the sliding block 604 and the sliding groove 602 are slidably mounted; specifically, the sliding block 604 is further limited by the sliding groove 602.

As shown in fig. 4, the limiting rod 605 and the sliding rail 601 are installed in an inserting manner, and the limiting rod 605 and the limiting hole plate 606 are correspondingly inserted; specifically, the first side frame 501 and the second side frame 503 are locked and limited conveniently by inserting the limiting rod 605 into the limiting hole plate 606.

To sum up: when the foldable side frame assembly is unfolded, the first side frame 501 and the second side frame 503 are respectively arranged perpendicular to the top surface of the bottom frame 2 and the bottom surface of the top frame 4, so that the first side frame 501 and the second side frame 503 are collinear, the sliding block 604 moves in the sliding groove 602 under the action of the elastic force of the spring 603, the limiting rod 605 is inserted into the limiting hole plate 606, the first side frame 501 and the second side frame 503 are unlocked, the top frame 4 and the bottom frame 2 are unfolded, the side box 3 is unfolded, the sliding block 604 slides in the sliding groove 602 by pulling the sliding block 604, the spring 603 is compressed, the limiting rod 605 is driven by the sliding block 604 to move, the limiting rod 605 is separated from the limiting hole 606, the locking between the first side frame 501 and the second side frame 503 is released, the foldable side frame assembly 5 is conveniently unlocked by the locking mechanism 6, the first side frame 501 and the second side frame 503 are folded inwards, the second side frame 503 and the first side frame 501, the top frame 4 and the bottom frame 2 are reduced in folding angle, and the size of the foldable side frame is reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a foldable plastic packaging box, its characterized in that, includes bottom of the case (1), chassis (2) and roof-rack (4), the top of bottom of the case (1) is protruding shaping structure, and the top of bottom of the case (1) is fixed pegs graft and has chassis (2), the lateral wall all is provided with side case (3) around and about the lateral wall of bottom of the case (1) and roof-rack (4), side case (3) adopt flexible plastic to make, the top of chassis (2) is articulated with the bottom of roof-rack (4) and is installed and be used for foldable side bearer subassembly (5), the surface of foldable side bearer subassembly (5) is provided with locking mechanism (6).

2. The foldable plastic packaging box according to claim 1, wherein the foldable side frame assembly (5) comprises a first side frame (501), the first side frame (501) is hinged to the top of the box bottom (1), a first limiting plate (502) is fixedly mounted on the top of the bottom frame (2), a second side frame (503) is hinged to the top end of the first side frame (501), a transverse plate (506) is fixedly mounted on the opposite surface of the first side frame (501) and the second side frame (503), a second limiting plate (504) is fixedly mounted on the top end of the first side frame (501), and a third limiting plate (505) is fixedly mounted on the bottom surface of the top frame (4).

3. The foldable plastic packaging box according to claim 2, wherein the locking mechanism (6) comprises a sliding rail (601), a sliding rail (601) is fixedly mounted on one side wall of the second side frame (503), a sliding groove (602) is formed in the sliding rail (601), a spring (603) is fixedly mounted on the top of the sliding groove (602), a sliding block (604) is slidably mounted in the sliding groove (602), the top end of the sliding block (604) and the bottom end of the sliding groove (602) are fixedly mounted, a limiting rod (605) is fixedly mounted at the bottom end of the spring (603), and a limiting hole plate (606) is fixedly mounted on one side wall of the first side frame (501).

4. The foldable plastic packing box of claim 2, wherein the bottom end of the other side wall of the first side frame (501) and the top end and the bottom end of the other side wall of the second side frame (503) are both recessed and are respectively disposed corresponding to the first limiting plate (502), the second limiting plate (504) and the third limiting plate (505).

5. A collapsible plastic package according to claim 3, wherein the slide groove (602) and the slide block (604) are both of a convex configuration, and the slide block (604) and the slide groove (602) are slidably mounted.

6. A foldable plastic packing case according to claim 3, wherein the limiting rod (605) is inserted into the sliding rail (601), and the limiting rod (605) is inserted into the limiting hole plate (606).