CN214730408U - Novel exempt from to seal and glue and strengthen carton - Google Patents

Abstract

The utility model discloses a novel exempt from to seal and glue and strengthen carton, including enclosing two curb plates and two panels that close each other, curb plate and panel separate the connection, still include: the connecting bottom plate is arranged on one side of the panel, and the connecting bottom plate is provided with an inserting groove; the reinforcing bottom plate is arranged on one side of the side plate, the reinforcing bottom plate comprises an outer folded edge and an inner folded edge which can be folded relatively, the inner folded edge on the side plate is inserted into the insertion groove and is mutually abutted to the inner side of the connecting bottom plate, and the structural strength of the carton is guaranteed while the carton is convenient to fold.

Description

Novel exempt from to seal and glue and strengthen carton

Technical Field

The utility model relates to a carton technical field, concretely relates to novel exempt from to seal and glue enhancement carton.

Background

The carton is a common holding device among people's daily life, it is multi-purpose to accomodate arrangement article, perhaps pack article into the carton so that transport and transportation, undertake the appearance, protect the product, pleasing to the eye important responsibility, carton among the prior art, it is mostly many cardboard concatenations or sticky tape adhesion, the degree of difficulty of concatenation and dismantlement is big, and the carton is not enough at concatenation or folding back intensity, be unfavorable for using and transporting, after the concatenation is folding, still need pass through sticky tape banding at bottom and top, the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel exempt from to glue and strengthen carton, when making things convenient for the carton folding, guarantee the structural strength of carton.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel exempt from to seal and glue and strengthen carton, includes two curb plates and two panels that enclose each other and close, curb plate and panel separate the connection, still include: the connecting bottom plate is arranged on one side of the panel, and the connecting bottom plate is provided with an inserting groove; the reinforcing bottom plate is arranged on one side of the side plates and comprises an outer folded edge and an inner folded edge which can be folded relatively, and the inner folded edges on the two side plates are inserted into the insertion grooves and are mutually abutted against the inner side of the connecting bottom plate.

Furthermore, the outer folding edges are also provided with limiting edges, and the limiting edges of the outer folding edges on the two side plates are mutually abutted against the outer side of the connecting bottom plate so as to limit the relative opening of the two outer folding edges.

Furthermore, creases are arranged between the outer folded edge and the inner folded edge, oblique openings are formed on two sides of the reinforcing bottom plate along the creases, and the creases are formed at two end points of the oblique openings.

Furthermore, the limiting edges are arranged on the outer folded edge at intervals, limiting notches are further formed in the outer folded edge and are arranged between the two limiting edges, and one limiting notch in the outer folded edge is used for allowing the limiting edge in the other outer folded edge to be inserted.

Furthermore, the limiting edge and the limiting notch are formed on the reinforcing bottom plate through cutting by a cutting die, and the limiting edge and the limiting notch pass through the folding line, so that after the outer folding edge and the inner folding edge are folded, the limiting edge protrudes out of the outer folding edge, and the limiting edge forms a notch on the inner folding edge.

Furthermore, the inner folded edge is provided with a through hole for fingers to extend into.

Further, the gaps of the two inner folding edges are arranged on the inner side of the carton in a crossed mode.

Furthermore, one side of the side plate, which is far away from the reinforcing bottom plate, is provided with a first pressing plate, the other side of the side plate, which is far away from the reinforcing bottom plate, is provided with a second pressing plate, one side of the panel, which is far away from the connecting bottom plate, is provided with a sealing plate, two sealing plates are relatively closed, the first pressing plate and the second pressing plate are provided with connecting grooves which are mutually spliced, and the connecting grooves on the first pressing plate and the second pressing plate are mutually spliced, so that the first pressing plate and the second pressing plate are relatively closed and are abutted against the two sealing plates.

Furthermore, two connecting grooves are formed in the first pressing plate and the second pressing plate, a first convex edge is arranged between the two connecting grooves on the first pressing plate, and a second convex edge is arranged on the outer side of each connecting groove and extends out of the first convex edge;

the second clamp plate is provided with a third convex edge extending out of the connecting grooves, the second clamp plate is provided with a fourth convex edge between the two connecting grooves, and the fourth convex edge is longer than the first convex edge.

Compared with the prior art, the utility model has the advantages of it is following and beneficial effect: after enclosing two panels and two curb plates one side and closing, with two mutual closures of connecting the bottom plate as the carton bottom of the case, turn over interior hem and outer hem each other, outer hem is inserted in the inserting groove and is buckled into the carton inside once more through the crease, at this moment, in the outside of carton bottom of the case, spacing limit on a reinforcing bottom plate is pegged graft in the spacing notch on another reinforcing bottom plate, make the crisscross mutual butt of outer hem on two reinforcing bottom plates, outer hem butt is in the outside of connecting the bottom plate, thereby constitute three-layer support structure at the carton bottom, increase the structural strength of carton bottom of the case, need not to seal glue at the carton bottom, guarantee the structural strength of carton bottom simultaneously, and, the direction of turning over of connecting the bottom plate is mutually perpendicular with the direction of turning over of the reinforcing bottom plate, mutual restriction is opened, further increase the reliability of carton bottom of the case.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the open structure of the top of the carton of the present invention (inner fold open);

fig. 4 is a schematic view of the opening structure of the bottom of the carton of the present invention;

fig. 5 is a schematic view of the open structure of the top of the carton of the present invention (inner fold closed);

in the figure: 1. a side plate; 2. a panel; 3. connecting the bottom plate; 3.1, inserting grooves; 4. a reinforcing bottom plate; 4.1, folding edges outwards; 4.2, folding the inner edge; 4.3, limiting edges; 4.4, folding; 4.5, a bevel opening; 4.6, limiting notches; 4.7, a gap; 4.8, a through opening; 5. a first platen; 5.1, a first convex edge; 5.2, a second convex edge; 6. a second platen; 6.1, a third convex edge; 6.2, a fourth convex edge; 7. connecting grooves; 8. closing the plate;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any direction or order of limitation.

As shown in fig. 1-5, a novel exempt from to glue and strengthen carton, including two curb plates 1 and two panels 2 that enclose each other and close, curb plate 1 and panel 2 interval connection still include: the connecting bottom plate 3 is arranged on one side of the panel 2, and the connecting bottom plate 3 is provided with an inserting groove 3.1; the reinforcing bottom plate 4 is arranged on one side of the side plates 1, the reinforcing bottom plate 4 comprises an outer folded edge 4.1 and an inner folded edge 4.2 which can be folded relatively, and the inner folded edges 4.2 on the two side plates 1 are inserted into the insertion grooves 3.1 and are mutually abutted against the inner side of the connecting bottom plate 3.

Specifically, the outer folded edge 4.1 is further provided with a limiting edge 4.3, and the limiting edges 4.3 of the outer folded edges 4.1 on the two side plates 1 are mutually abutted against the outer side of the connecting bottom plate 3 to limit the relative opening of the two outer folded edges 4.1.

Specifically, a fold 4.4 is arranged between the outer folded edge 4.1 and the inner folded edge 4.2, oblique openings 4.5 are formed on two sides of the reinforcing base plate 4 along the fold 4.4, the fold 4.4 is formed at two end points of the oblique opening 4.5, so that a first fold 4.4 is formed at one end point of the oblique opening 4.5 close to the outer folded edge 4.1, a second fold 4.4 is formed at one end point of the oblique opening 4.5 close to the inner folded edge, a connecting edge for connecting the oblique openings 4.5 on two sides of the reinforcing base plate 4 is formed between the first fold 4.4 and the second fold 4.4, and the connecting edge is abutted and flushed with the wall surface of the insertion groove 3.1 after the inner folded edge 4.2 is inserted into the insertion groove 3.1.

Specifically, the limiting edges 4.3 are arranged on the outer folded edge 4.1 at intervals, the outer folded edge 4.1 is further provided with limiting notches 4.6, the limiting notches 4.6 are arranged between the two limiting edges 4.3, and the limiting notch 4.6 on one outer folded edge 4.1 is used for allowing the limiting edge 4.3 on the other outer folded edge 4.1 to be inserted.

In this embodiment, on one reinforcing bottom plate 4, the number of the limiting edges 4.3 is two, and the number of the limiting notches 4.6 is two, wherein one side edge of the limiting edge 4.3 is a straight edge, and the other side edge is an outward-flared oblique edge, so that the limiting edge 4.3 forms a right trapezoid shape, the contact area is increased through the oblique edge, and meanwhile, the limiting edge 4.3 is guided to be inserted into the limiting notch 4.6, and the connection tightness of the two reinforcing bottom plates 4 is increased.

Specifically, the limiting edge 4.3 and the limiting notch 4.6 are formed on the reinforcing bottom plate 4 through cutting by a cutting die, and the limiting edge 4.3 and the limiting notch 4.6 pass through the folding line 4.4, so that after the outer folding edge 4.1 and the inner folding edge 4.2 are folded, the limiting edge 4.3 protrudes out of the outer folding edge 4.1, and the limiting edge 4.3 forms a notch 4.7 on the inner folding edge 4.2.

Specifically, the notches 4.7 of the two inner folding edges 4.2 are arranged in a crossed manner on the inner side of the carton, so that the bottom stress is enhanced.

By way of explanation, the inner and outer folded edges 4.2 and 4.1, the limiting edge 4.3, and the limiting notch 4.6 are all formed on a single piece of paper board, the limiting edge 4.3 is a cutting slit punched by a cutting die, the cutting slit passes through the folding mark 4.4, so that when the inner and outer folded edges 4.2 and 4.1 are folded relatively, the end of the limiting edge 4.3 forms the notch 4.7 on the inner folded edge 4.2, the limiting notch 4.6 is a through hole 4.8 punched by the cutting die, the end cut of the limiting notch 4.6 extends to the folding mark 4.4, so that after the inner folded edge 4.2 is folded into the connecting bottom plate 3, the notches 4.7 on the two inner folded edges 4.2 form a cross structure on both sides of the inserting groove 3.1, in this embodiment, the notches 4.7 on one inner folded edge 4.2 are two, the cross structure means that the notches 4.7 on the two inner folded edges 4.2 are arranged along the length direction of the inserting groove 3.1, so that the box bottom of the box is uneven when left and right, prevent that the bottom of the carton case staggers from top to bottom and produces the gap, lead to the small article to drop.

Specifically, the inner folded edge 4.2 is provided with a through hole 4.8 for fingers to extend into, so that the carton can be conveniently detached.

Specifically, one side that its reinforcing bottom plate 4 was kept away from to curb plate 1 is equipped with first clamp plate 5, another one side that its reinforcing bottom plate 4 was kept away from to curb plate 1 is equipped with second clamp plate 6, two one side that connecting bottom plate 3 was kept away from to panel 2 is equipped with shrouding 8, two shrouding 8 is closed relatively, be equipped with the spread groove 7 of pegging graft each other on first clamp plate 5 and the second clamp plate 6, peg graft each other spread groove 7 on first clamp plate 5 and the second clamp plate 6, so that first clamp plate 5 and the relative closed pressure of propping of second clamp plate 6 press on two shrouding 8.

Specifically, two connecting grooves 7 are arranged on the first pressing plate 5 and the second pressing plate 6, a first convex edge 5.1 is arranged between the two connecting grooves 7 on the first pressing plate 5, and a second convex edge 5.2 is arranged on the outer side of each connecting groove 7 extending out of the first convex edge 5.1;

the second clamp plate 6 is located stretch out in the spread groove 7 outside and is equipped with third chimb 6.1, second clamp plate 6 is located and is equipped with fourth chimb 6.2 between two spread grooves 7, fourth chimb 6.2 is longer than first chimb 5.1, makes second chimb 5.2 and third chimb 6.1 looks off from top to bottom intercrossing interlocking through spread groove 7, and the intercrossing interlocking that offsets from top to bottom makes carton top shaping atress even, and the carton outward appearance is more upright, elegant appearance.

After the two panels 2 and one side of the two side plates 1 are enclosed, the two connecting bottom plates 3 are mutually closed to form the bottom of the carton box, the inner folded edge 4.2 and the outer folded edge 4.1 are mutually folded, the outer folded edge 4.1 is inserted into the inserting groove 3.1 and is bent into the carton box again through the folded edge 4.4, at the moment, on the outer side of the bottom of the carton box, a limit edge 4.3 on one reinforcing bottom plate 4 is inserted in a limit notch 4.6 on the other reinforcing bottom plate 4, so that the outer folded edges 4.1 on the two reinforcing bottom plates 4 are crossed and butted with each other, the outer folded edges 4.1 are butted on the outer side of the connecting bottom plate 3, thereby forming a three-layer supporting structure at the bottom of the carton, increasing the structural strength of the bottom of the carton, avoiding the need of sealing glue at the bottom of the carton, ensuring the structural strength of the bottom of the carton, moreover, the folding direction of the connecting bottom plate 3 is perpendicular to the folding direction of the reinforcing bottom plate 4, so that the opening is limited, and the reliability of the bottom of the carton box is further improved.

The folding process of this carton: firstly, enclosing two panels 2 and two side plates 1 in sequence to form the periphery of a carton with an upper opening and a lower opening;

secondly, mutually closing the two connecting bottom plates 3 to form a first bottom of the carton, folding the reinforcing bottom plate 4 along a crease 4.4 to form an inner folded edge 4.2 and an outer folded edge 4.1, inserting the inner folded edge 4.2 into an insertion groove 3.1 of the connecting bottom plate 3, pressing the inner folded edge 4.2 from the carton to the connecting bottom plate 3 to form a second bottom of the carton, wherein at the moment, a limiting edge 4.3 on one outer folded edge 4.1 is in insertion fit with a limiting notch 4.6 on the other outer folded edge 4.1, the outer folded edge 4.1 forms a third bottom of the carton, and the inner folded edge 4.2, the outer folded edge 4.1 and the connecting bottom plate 3 are mutually flush to finish the bottom of the carton;

the third step, with two shrouding 8 closed each other, again with first clamp plate 5 and second clamp plate 6 closed each other, at this moment, spread groove 7 on first clamp plate 5 and the second clamp plate 6 is pegged graft each other, second chimb 5.2 is pressed and is established on third chimb 6.1, fourth chimb 6.2 is pressed and is established on first chimb 5.1, or third chimb 6.1 is pressed and is established on second chimb 5.2, first chimb 5.1 is pressed and is established on fourth chimb 6.2, accomplish the carton top, whole process need not to seal the glue, and convenient operation, carton structural stability obtains guaranteeing.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. A novel glue-sealing-free reinforced carton comprises two side plates (1) and two panels (2) which are mutually enclosed, wherein the side plates (1) are connected with the panels (2) at intervals, the carton also comprises a connecting bottom plate (3) which is arranged on one side of the panels (2), and the connecting bottom plate (3) is provided with an inserting groove (3.1);

the reinforcing bottom plate (4) is arranged on one side of the side plates (1), the reinforcing bottom plate (4) comprises an outer folded edge (4.1) and an inner folded edge (4.2) which can be folded relatively, the inner folded edges (4.2) on the two side plates (1) are inserted into the insertion grooves (3.1) and mutually abutted against and pressed on the connecting bottom plate (3),

the method is characterized in that: the outer folding edges (4.1) are also provided with limiting edges (4.3) and limiting notches (4.6), and the limiting edges (4.3) and the limiting notches (4.6) of the outer folding edges (4.1) on the two side plates (1) are mutually inserted in the outer side of the connecting bottom plate (3) so as to limit the relative opening of the two outer folding edges (4.1).

2. The novel glue-free reinforced carton as claimed in claim 1, wherein: a crease (4.4) is arranged between the outer folding edge (4.1) and the inner folding edge (4.2), and oblique openings (4.5) are formed on two sides of the reinforced bottom plate (4) along the crease (4.4).

3. The novel glue-free reinforced carton as claimed in claim 1, wherein: the limiting edges (4.3) are arranged on the outer folded edge (4.1) at intervals, the limiting notch (4.6) is arranged between the two limiting edges (4.3), and the limiting notch (4.6) on one outer folded edge (4.1) is used for inserting the limiting edge (4.3) on the other outer folded edge (4.1).

4. The novel glue-free reinforced carton as claimed in claim 2, wherein: spacing limit (4.3) and spacing notch (4.6) are die-cut through the cutting die and are formed on strengthening bottom plate (4), just spacing limit (4.3) and spacing notch (4.6) process crease (4.4), so that outer hem (4.1) and interior hem (4.2) turn over the back each other, spacing limit (4.3) protrusion outer hem (4.1), form breach (4.7) on interior hem (4.2) spacing limit (4.3).

5. The novel glue-free reinforced carton as claimed in claim 1, wherein: the inner folded edge (4.2) is provided with a through hole (4.8) for fingers to extend into.

6. The novel glue-free reinforced carton as claimed in claim 4, wherein: the notches (4.7) of the two inner folding edges (4.2) are arranged in a crossed manner on the inner side of the carton.

7. The novel glue-free reinforced carton as claimed in claim 1, wherein: one side that its reinforcing bottom plate (4) was kept away from in curb plate (1) is equipped with first clamp plate (5), another one side that its reinforcing bottom plate (4) was kept away from in curb plate (1) is equipped with second clamp plate (6), two one side that connecting bottom plate (3) was kept away from in panel (2) is equipped with shrouding (8), two shrouding (8) are closed relatively, be equipped with spread groove (7) of pegging graft each other on first clamp plate (5) and second clamp plate (6), spread groove (7) on first clamp plate (5) and the second clamp plate (6) peg graft each other, so that first clamp plate (5) and the relative closed pressure of second clamp plate (6) are on two shrouding (8).

8. The novel glue-free reinforced carton as claimed in claim 7, wherein: the first pressing plate (5) and the second pressing plate (6) are provided with two connecting grooves (7), a first convex edge (5.1) is arranged between the two connecting grooves (7) on the first pressing plate (5), and a second convex edge (5.2) is arranged on the outer side of each connecting groove (7) extending out of the first convex edge (5.1);

The second clamp plate (6) is provided with a third convex edge (6.1) extending out of the connecting grooves (7), the second clamp plate (6) is provided with a fourth convex edge (6.2) between the two connecting grooves (7), and the fourth convex edge (6.2) is longer than the first convex edge (5.1).

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