CN221068837U - Folding carton - Google Patents

Abstract

The utility model belongs to the technical field of carton products, and particularly relates to a folding carton which comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the first side plate, the third side plate, the second side plate and the fourth side plate are sequentially connected with four edges of the bottom plate in sequence, the first side plate, the third side plate, the second side plate and the fourth side plate are all perpendicular to the bottom plate, a first supporting plate and a second supporting plate are respectively arranged at two ends of the first side plate and the second side plate, flexible connecting pieces are wrapped at the top edges of the first side plate and the second side plate, two ends of the flexible connecting pieces extend to the top edges of the first supporting plate and the top edges of the second supporting plate respectively, the third side plate wraps the two first supporting plates, and the fourth side plate is folded to wrap the two second supporting plates. Through the structure setting for the intensity of folding carton obtains obvious promotion, prevents that the wastepaper from coming off, prevents vertical fish tail.

Description

Folding carton

Technical Field

The utility model belongs to the technical field of paper box products, and particularly relates to a folding paper box.

Background

Paper product packaging is the largest category used in packaging industry. Cartons are the most important form of shipping packaging, and cartons are widely used for the sales packaging of various products such as food, medicine, electronics, and the like. Along with the change of the transportation mode and the change of the sales mode, the styles of cartons and cartons are diversified day by day, almost every novel nonstandard carton comes out along with a set of automatic equipment, and the novel carton itself becomes commodity sales promotion means, in the prior art, a plurality of plane areas are separated by integral cutting through bending on the cut paperboard, and then an embedded carton style is obtained through folding, and the carton obtained in the prior art is adopted, so that the technical problem that the folding part of the opening edge is extruded by articles and torn in use can occur.

Disclosure of utility model

The utility model aims to provide a folding carton and aims to solve the technical problem that an opening folding part is easy to tear in the prior art.

In order to achieve the above object, the folding carton provided by the embodiment of the utility model comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the first side plate, the third side plate, the second side plate and the fourth side plate are sequentially connected with four edges of the bottom plate in sequence, the first side plate, the third side plate, the second side plate and the fourth side plate are perpendicular to the bottom plate, two ends of the first side plate and the second side plate are respectively provided with a first supporting plate and a second supporting plate, the top edges of the first side plate and the second side plate are respectively wrapped with a flexible connecting piece, two ends of the flexible connecting piece are respectively extended to the top edge of the first supporting plate and the top edge of the second supporting plate, the third side plate is wrapped with two first supporting plates, and the fourth side plate is folded to wrap the two second supporting plates.

Preferably, the third side plate comprises a first outer plate and a first inner plate, the first inner plate and the bottom plate are respectively connected with two side edges of the first outer plate, which are not connected, and the first inner plate and the first outer plate are respectively positioned on two sides of the first support plate.

Preferably, a first extension part is arranged between the first outer plate and the first inner plate, and the first extension part is positioned at the top of the two first support plates.

Preferably, both end edges of the first extension portion are disposed obliquely close to each other from the first outer plate toward the first inner plate.

Preferably, a plurality of first positioning protrusions are arranged on one side edge of the first inner plate, and the first positioning protrusions are mutually abutted with the top plane of the bottom plate.

Preferably, the fourth side plate includes a second outer plate and a second inner plate, the second inner plate and the bottom plate are respectively connected with two side edges of the second outer plate, which are not connected, and the second inner plate and the second outer plate are respectively located at two sides of the two second support plates.

Preferably, a second extension part is arranged between the second outer plate and the second inner plate, and the second extension part is positioned at the top of the two second support plates.

Preferably, both end edges of the second extension portion are disposed obliquely close to each other from the second outer plate toward the second inner plate.

Preferably, a plurality of second positioning protrusions are arranged on one side edge of the second inner plate, and the second positioning protrusions are mutually abutted with the top plane of the bottom plate.

Preferably, a plurality of first clamping holes and a plurality of second clamping holes are formed in the bottom plate, the first clamping holes and the second clamping holes are oppositely arranged, the first clamping holes and the second clamping holes are close to the edge of the bottom plate, and the first positioning protrusions and the second positioning protrusions are respectively clamped with the first clamping holes and the second clamping holes.

The above technical solutions in the folding carton provided by the embodiments of the present utility model have at least one of the following technical effects:

The folding carton is formed by integrally cutting the bottom plate, the first side plate, the second side plate, the third side plate and the fourth side plate, wherein the first side plate, the second side plate, the third side plate and the fourth side plate are all perpendicular to the bottom plate, the bottom plate is enclosed between the first side plate, the second side plate, the third side plate and the fourth side plate to form a storage space, the first supporting plate and the second supporting plate are respectively arranged at two ends of the first side plate and the second side plate, the first supporting plate is used for supporting the third side plate, the second supporting plate is used for supporting the fourth side plate, the fourth side plate is connected with the two first supporting plates through the connection between the third side plate and the two first supporting plates, a layer of flexible connecting piece is wrapped on the connection edge of the first side plate and one group of the first supporting plates and the second supporting plates, the flexible connecting piece is wrapped on the connection edge of the second side plate and the other group of the first supporting plates, the flexible connecting piece is utilized, and the elastic property of the flexible connecting piece is utilized, when articles placed in the storage space are used for supporting the first side plate and the second supporting plate, the two ends of the first supporting plates and the second supporting plates are arranged, the two ends are obviously, the elastic joint is prevented from being torn, the extrusion force is avoided, and the tearing strength is remarkably caused by the connection strength of the connection is avoided, and the longitudinal tearing strength is avoided, and the tearing strength is caused by the arrangement of the connection strength of the paper carton.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an effect diagram of a folding carton provided by an embodiment of the present utility model.

Fig. 2 is an expanded plan view of a folding carton provided in an embodiment of the present utility model.

Fig. 3 is a partial enlarged view of a in fig. 2.

Wherein, each reference sign in the figure:

10-a bottom plate 11-a first clamping hole 12-a second clamping hole

20-First side plate 21-first support plate 22-second support plate

23-Flexible connection 30-second side plate 40-third side plate

41-First outer plate 42-first extension 43-first inner plate

50-Fourth side plate 51-second outer plate 52-second extension

53-Second inner plate 431-first positioning projection 432-second positioning projection.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in fig. 1-3, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1-2, a folding carton is provided, which comprises a bottom plate 10, a first side plate 20, a second side plate 30, a third side plate 40 and a fourth side plate 50, wherein the first side plate 20, the third side plate 40, the second side plate 30 and the fourth side plate 50 are sequentially connected with four edges of the bottom plate 10 in sequence, the first side plate 20, the third side plate 40, the second side plate 30 and the fourth side plate 50 are all perpendicular to the bottom plate 10, two ends of the first side plate 20 and the second side plate 30 are respectively provided with a first supporting plate 21 and a second supporting plate 22, the top edges of the first side plate 20 and the second side plate 30 are respectively wrapped with a flexible connecting piece 23, two ends of the flexible connecting piece 23 are respectively extended to the top edges of the first supporting plate 21 and the top edges of the second supporting plate 22, the third side plate 40 is wrapped with two first supporting plates 21, the fourth side plate 50 is respectively wrapped with two second supporting plates 22, the flexible connecting piece 23 is wrapped with two ends of the first side plate 20 and the second side plate 30 respectively connected edges with the first supporting plate 21 and the second supporting plate 22, the strength of the folding place is enhanced, and the extrusion resistance is improved.

The folding carton of the utility model is integrally cut, folded and formed by a bottom plate 10, a first side plate 20, a second side plate 30, a third side plate 40 and a fourth side plate 50, wherein the first side plate 20, the second side plate 30, the third side plate 40 and the fourth side plate 50 are all arranged perpendicular to the bottom plate 10, the bottom plate 10 is enclosed between the first side plate 20, the second side plate 30, the third side plate 40 and the fourth side plate 50 to form a storage space, a first supporting plate 21 and a second supporting plate 22 are respectively arranged at two ends of the first side plate 20 and the second side plate 30, the first supporting plate 21 is used for supporting the third side plate 40, the second supporting plate 22 is used for supporting the fourth side plate 50, the fourth side plate 50 is connected with the two first supporting plates 21 through the connection between the third side plate 40 and the two second supporting plates 22, so that the shape of the folding carton is fixed, the connecting edges of the first side plate 20 and one group of the first support plate 21 and the second support plate 22 are wrapped with a layer of flexible connecting piece 23, the connecting edges of the second side plate 30 and the other group of the first support plate 21 and the second support plate 22 are wrapped with a layer of flexible connecting piece 23, and when the connection parts of the two ends of the first side plate 20 and the second side plate 30 and the two groups of the first support plate 21 and the second support plate 22 are extruded by articles placed in the placing space, the expansion elasticity of the flexible connecting piece 23 counteracts the extrusion force of part, so that the strength of the connection corner is enhanced, the tearing of the connection part is avoided, and the strength of the folding carton is obviously improved, paper scraps are prevented from falling off and longitudinal scratches are prevented through the structure.

In another embodiment of the present utility model, as shown in fig. 1-2, the third side plate 40 includes a first outer plate 41 and a first inner plate 43, the first inner plate 43 and the bottom plate 10 are respectively connected to two side edges of the first outer plate 41, the first inner plate 43 and the first outer plate 41 are respectively located at two sides of the two first support plates 21, and the first inner plate 43 is bent to wrap the two first support plates 21.

In another embodiment of the present utility model, as shown in fig. 2 to 3, a first extension portion 42 is disposed between the first outer plate 41 and the first inner plate 43, the first extension portion 42 is located at the top of the two first support plates 21, and the width of the first extension portion 42 is at least greater than the thickness of the first support plates 21, so that the first inner plate 43 can be exactly attached to the side surface of the first support plates 21 when being folded.

In another embodiment of the present utility model, as shown in fig. 2 to 3, both end edges of the first extension portion 42 are disposed to be inclined toward each other from the first outer panel 41 toward the first inner panel 43, and both end edges of the first extension portion 42 are disposed to be inclined so as not to contact the first side panel 20 and the second side panel 30 when folded, thereby affecting the folding of the first inner panel 43.

In another embodiment of the present utility model, as shown in fig. 1-2, a plurality of first positioning protrusions 431 are disposed at one side edge of the first inner plate 43, the first positioning protrusions 431 are abutted against the top plane of the bottom plate 10, after the first inner plate 43 is folded, the first positioning protrusions 431 are abutted against the bottom plate 10, and the friction force is increased by extrusion between the first positioning protrusions 431 and the bottom plate 10, so that the folded first inner plate 43 is prevented from being unfolded, resulting in folding of the paper box.

In another embodiment of the present utility model, as shown in fig. 1-2, the fourth side plate 50 includes a second outer plate 51 and a second inner plate 53, the second inner plate 53 and the bottom plate 10 are respectively connected to two side edges of the second outer plate 51, which are not connected to each other, and the second inner plate 53 and the second outer plate 51 are respectively located at two sides of the two second support plates 22, and the second inner plate 53 is bent to wrap the two second support plates 22.

In another embodiment of the present utility model, as shown in fig. 2 to 3, a second extension portion 52 is disposed between the second outer plate 51 and the second inner plate 53, the second extension portion 52 is located at the top of the two second support plates 22, and the width of the second eye is at least greater than the thickness of the second support plates 22, so that the second inner plate 53 can be exactly attached to the side surface of the second support plates 22 when being folded.

In another embodiment of the present utility model, as shown in fig. 2 to 3, both end edges of the second extension part 52 are disposed to be inclined toward each other from the second outer panel 51 toward the second inner panel 53, and both end edges of the second extension part 52 are disposed to be inclined so as not to contact the third side panel 40 and the fourth side panel 50 when folding, thereby affecting the folding of the second inner panel 53.

In another embodiment of the present utility model, as shown in fig. 2, a plurality of second positioning protrusions 432 are disposed at one side edge of the second inner plate 53, the second positioning protrusions 432 are abutted against the top plane of the bottom plate 10, after the second inner plate 53 is folded, the second positioning protrusions 432 are abutted against the bottom plate 10, and the extrusion between the second positioning protrusions 432 and the bottom plate 10 increases friction force, so as to avoid the folded second inner plate 53 from being unfolded, resulting in the folded carton being scattered.

In another embodiment of the present utility model, as shown in fig. 2, a plurality of first positioning holes 11 and a plurality of second positioning holes 12 are provided on the bottom plate 10, and each first positioning hole 11 and each second positioning hole 12 are oppositely provided, the first positioning hole 11 and the second positioning hole 12 are both near the edge of the bottom plate 10, the first positioning protrusion 431 and the second positioning protrusion 432 are respectively clamped with the first positioning hole 11 and the second positioning hole 12, and the first positioning protrusion 431 and the second positioning protrusion 432 are respectively clamped with the first positioning hole 11 and the second positioning hole 12 to further limit the first inner plate 43 and the second inner plate 53 from being opened to cause the folding carton to be scattered.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A folding carton, characterized in that: including bottom plate, first curb plate, second curb plate, third curb plate and fourth curb plate, first curb plate the third curb plate the second curb plate with the fourth curb plate is orderly connected in proper order four edges of bottom plate, first curb plate the third curb plate the second curb plate with the fourth curb plate all perpendicular to the bottom plate sets up, first curb plate with the both ends of second curb plate all are provided with first backup pad and second backup pad respectively, first curb plate with the top edge of second curb plate all wraps up there is flexible connection spare, just flexible connection spare's both ends extend to respectively first backup pad top edge with second backup pad top edge, the third curb plate wraps up two first backup pad, the folding parcel of fourth curb plate two the second backup pad.

2. The folding carton of claim 1 wherein: the third side plate comprises a first outer plate and a first inner plate, the first inner plate and the bottom plate are respectively connected with two unconnected side edges of the first outer plate, and the first inner plate and the first outer plate are respectively positioned at two sides of the first support plate.

3. The folding carton of claim 2 wherein: a first extension part is arranged between the first outer plate and the first inner plate, and the first extension part is positioned at the top of the two first support plates.

4. A folding carton according to claim 3 wherein: the two end edges of the first extension part are obliquely arranged from the first outer plate to the first inner plate.

5. The folding carton of claim 2 wherein: a plurality of first positioning protrusions are arranged on one side edge of the first inner plate, and the first positioning protrusions are mutually abutted with the top plane of the bottom plate.

6. The folding carton of claim 5 wherein: the fourth side plate comprises a second outer plate and a second inner plate, the second inner plate and the bottom plate are respectively connected with two unconnected side edges of the second outer plate, and the second inner plate and the second outer plate are respectively positioned on two sides of the second support plate.

7. The folding carton of claim 6 wherein: and a second extension part is arranged between the second outer plate and the second inner plate and is positioned at the top of the two second support plates.

8. The folding carton of claim 7 wherein: the two end edges of the second extension part are obliquely arranged close to each other from the second outer plate to the second inner plate.

9. The folding carton of claim 6 wherein: a plurality of second positioning protrusions are arranged on one side edge of the second inner plate, and the second positioning protrusions are mutually abutted with the top plane of the bottom plate.

10. The folding carton of claim 9 wherein: the bottom plate is provided with a plurality of first clamping holes and a plurality of second clamping holes, the first clamping holes and the second clamping holes are oppositely arranged, the first clamping holes and the second clamping holes are close to the edge of the bottom plate, and the first positioning protrusions and the second positioning protrusions are respectively clamped with the first clamping holes and the second clamping holes.