CN217893497U

CN217893497U - Packaging box

Info

Publication number: CN217893497U
Application number: CN202122177102.9U
Authority: CN
Inventors: 刘衢; 乔亮
Original assignee: Shanghai Donnelley Printing Co Ltd
Current assignee: Shanghai Donnelley Printing Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-11-25
Anticipated expiration: 2031-09-09

Abstract

The application provides a packaging box, includes: the packaging box comprises two first side plates which are oppositely arranged, wherein each first side plate extends to two opening ends of the packaging box to form a first folding part, and each first folding part extends to two sides to form a folding lug; the packaging box comprises two opposite second side plates, wherein each second side plate extends to two opening ends of the packaging box to form a second folding part, and an opening corresponding to the folding lug is formed in the folding line of each second folding part, so that the folding lug is inserted into the opening, the first folding part is fixed on the second folding part, and a closed space is formed in the packaging box. The technical scheme of this application has improved the paper utilization ratio and has exempted from the tape encapsulation.

Description

Packaging box

Technical Field

The application relates to carton technical field, concretely relates to packaging box.

Background

Paper product packaging is the largest variety used in packaging industrial products. Cartons are the most important form of transport packaging, and cartons are widely used as sales packaging for various products such as food, medicine, electronics, and the like. With the change of transportation mode and the change of sales mode, the style of carton and paper box is becoming diversified day by day, and the novel paper box of modelling itself has also become the means of commodity sales promotion.

In the existing carton plan view as shown in fig. 5, after the carton is formed, the carton is often required to be adhered and fixed by adhesive tapes, although the adhesive tapes are firmly fixed, the installation and the forming are troublesome, and when the carton is recycled, the adhesive tapes and the carton are required to be separated. In order to save material cost, most of the materials are packaged in a mode of sealing boxes by using adhesive tapes, so that the packaging forming is slow, the efficiency is not high, and the adhesive tapes are easy to warp and fall off.

On the other hand, the use of a carton design as shown in fig. 5 typically requires the consumption of more paper material, which is neither cost effective nor environmentally friendly.

The statements in the background section merely disclose technology known to the inventors and are not necessarily indicative of prior art in the field.

SUMMERY OF THE UTILITY MODEL

This application aims at providing a packaging box, has solved the problem of saving the paper when the carton shaping is troublesome and batch production.

According to an aspect of the application, a packaging box is proposed, comprising: the packaging box comprises two first side plates which are oppositely arranged, wherein each first side plate extends to two opening ends of the packaging box to form a first folding part, and each first folding part extends to two sides to form a folding lug; the packaging box comprises two opposite second side plates, wherein each second side plate extends to two opening ends of the packaging box to form a second folding part, and an opening corresponding to the folding lug is formed in the folding line of each second folding part, so that the folding lug is inserted into the opening, the first folding part is fixed on the second folding part, and a closed space is formed in the packaging box.

According to some embodiments, the length of the folding lug is greater than the length of the opening.

According to some embodiments, the folding lug has rounded sides.

According to some embodiments, the two first side panels arranged oppositely cover the whole open end of the packing box together after the two first folds of each open end of the packing box are folded.

According to some embodiments, the two second folds of the oppositely arranged two second side panels at each open end of the enclosure together cover the entire open end after folding.

According to some embodiments, the packaging box is provided with notches in the second fold corresponding to the folding lugs of the first fold in the unfolded state, the notches having a shape matching the shape of the folding lugs.

According to some embodiments, the corners of the two first folds are both scalloped.

Based on the packaging box, the folding lugs extending out of the first folding part from the first side plate of the packaging box are inserted into the openings extending out of the second folding part from the second side plate, so that two open ends of the packaging box are sealed, the packaging box is formed, and the packaging box is prevented from being formed by using an adhesive tape. During batch production, the paper is saved, the production cost is saved, the paper can be used for multiple times, the environment is protected, the locking is firm, the sealability is strong, and the pressure resistance is stronger.

For a better understanding of the nature and technical content of the present application, reference should be made to the following detailed description and accompanying drawings, which are provided to illustrate the present application and are not intended to limit the scope of the present application in any way.

Drawings

Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. The accompanying drawings, which are incorporated herein and constitute part of this disclosure, serve to provide a further understanding of the disclosure. The exemplary embodiments of the present disclosure and their description are provided to explain the present disclosure and not to limit the present disclosure. In the drawings:

fig. 1 shows a schematic plan view of an enclosure box according to an exemplary embodiment of the present application.

Fig. 2-4 show a schematic structural view of an enclosure according to an exemplary embodiment of the application.

Fig. 5 shows a plan view of a prior art carton.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

At present, the application of express delivery transport case is very extensive, and is with low costs, easily encapsulation, suitable filler, clean etc. are fit for the product and dispatch from the factory and pack, and article transportation, material arrangement etc. and the packing carton also has strict requirement to its own quality because of being used for transporting, protecting the product usually. When the traditional express delivery transport case is manufactured, waste leftover materials are more, waste is caused, the production cost is increased, locking is not tight, paper is wasted, sealing performance is poor, deformation is easy to occur, and the waste can not be used for multiple times. Therefore, the utilization rate of the paper for making the paper box needs to be improved.

The preferred embodiments of the present application will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein only to illustrate and explain the present application and not to limit the present application.

As shown in fig. 1, the present application discloses, in accordance with an exemplary embodiment of the present application, an enclosure box 10 comprising: two oppositely disposed first side plates 101 and two oppositely disposed second side plates 103. Of course, the present disclosure is not limited to their specific shapes, but can be configured according to actual needs.

Each first side panel 101 extends towards both open ends of the enclosure 10 with a first fold 107, and each first fold 107 extends towards both sides with a folding lug 111.

Each second side plate 103 extends to form second folding portions 109 towards two open ends of the enclosure box 10, and an opening 115 corresponding to the folding lug 111 is formed in the folding line of each second folding portion 109, so that the folding lug 111 is inserted into the opening 115, and the first folding portion 107 is fixed on the second folding portion 109, so that a closed space is formed in the enclosure box 10.

The enclosure 10 is formed from a single suitable substrate according to embodiments of the present application. It should be understood that as used herein, the term "suitable substrate" includes all manner of foldable sheet materials, such as paperboard, corrugated board, cardboard, plastic, combinations thereof, and the like. It will be appreciated that one or other number of substrates may be used where appropriate, for example to provide an enclosure as described in more detail below. In an exemplary embodiment, the substrate is configured to form an enclosure 10 for packaging exemplary articles in an exemplary arrangement.

A plurality of folding lines are preset on a base plate for manufacturing the packaging box 10, the base plate is divided into four parts by the folding lines, so that two first side plates 101 and two second side plates 103 are formed, and the two first side plates 101 and the two second side plates 103 are alternately hinged together in series to form a rectangular tubular structure with an open end.

The two first side plates 101 and the two second side plates 103 are located on the same base plate, and the two first side plates 101 and the two second side plates 103 are distributed on the base plate in the following order (from right to left): the first side plate 101 (of the head part) is connected with the second side plate 103, the first side plate 101 is connected with the second side plate 103 (of the tail part), the first side plate 101 of the head part and the second side plate 103 of the tail part are connected at the edge, and the specific mode is as follows: the first side plate 101 at the head part extends outwards to form a foldable extension part 105, and the first side plate 101 at the head part is connected with the second side plate 103 at the tail part, so that a rectangular tubular structure is formed. The corners of the extension 105 on the first side plate 101 are all concave rounded corners. The extending portion 105 and the inner side of the second side plate 103 may be fixedly connected by bonding, and a layer of adhesive, such as glue, a double-sided tape, etc., is preset on the surface of the extending portion 105 and the inner side of the second side plate 103, which needs to be bonded. The connection of the leading first side plate 101 and the trailing second side plate 103 at the edges may also be by means of a snap connection, similar to the above-described arrangement of the folding tabs 111 and openings 115, and will not be described in detail here.

Fig. 2-4 show schematic structural views of an enclosure box according to an exemplary embodiment of the present application.

As shown in fig. 2-4, according to the present embodiment, the two first folds 107 of the two oppositely disposed first side panels 101 at each open end of the enclosure 10 together cover the entire open end after folding.

The corners of both first folds 107 at one open end of the enclosure 10 are scalloped corners 117. The scalloped corner 117 functions to facilitate opening of the first fold 107. The side having the scalloped corners 117 may serve as the top surface of the enclosure 10 for ease of opening.

According to the embodiment of the present application, the two second folded portions 109 of the two oppositely disposed second side plates 103 at each open end of the packing box 10 collectively cover the entire open end after being folded.

According to the embodiment of the application, the packaging box is provided with notches 113 at the positions corresponding to the folding lugs 111 of the first folding part 107 on the second folding part 109 in the unfolded state on the base plate, and the shape of the notches 113 is matched with the shape of the folding lugs 111. That is, the left side of the second side plate 103 of the tail portion is not provided with the notch 113. The folding tab 111 of the leading first fold 107 is not formed by cutting out the notch 113 of the trailing second fold 109, but rather by cutting out the base panel adjacent the leading first side panel 101 extending outwardly above a foldable extension 105. The folded tab 111 and the notch 113 are formed by cutting a planar substrate. The notch 113 serves to facilitate opening of the second fold 109.

Each first fold 107 has a fold lug 111 extending to both sides. An opening 115 corresponding to the folding lug 111 is formed at the folding line of each second folding portion 109, so that the folding lug 111 is inserted into the opening 115. The opening 115 is cut at the folding line of the second folding part 109 on the base plate, after the second folding part 109 is folded, the opening 115 is exposed, and a boss is arranged outside the opening 115.

The middle portion of the folding lug 111 is protruded to both sides along the folding line direction, and the folding line is concaved inwards, so that the folding lug 111 can be locked after being inserted into the opening 115.

According to the present embodiment, the length of the folding tab 111 is greater than the length of the opening 115, and the length of the folding tab 111 at the folding line is less than the length of the opening 115.

According to the present embodiment, the folding lug 111 has a circular arc-shaped side.

The folding lugs 111 of the first side plate 101 of the enclosure box 10 extending out of the first fold 107 are inserted into the openings 115 of the second side plate 103 extending out of the second fold 109, thereby achieving the closure of the two open ends of the enclosure box 10, enabling the enclosure box 10 to be formed, avoiding the use of adhesive tape to form the enclosure box 10. When the packaging box 10 is manufactured, the utilization rate of paper is improved. The enclosure box 10 of the present application employs a locking arrangement of the folding lugs 111 and the opening 115 to increase the weighing capacity of the enclosure box 10 and improve the strength of the enclosure box 10.

Fig. 5 shows a plan view of a prior art carton.

In mass production, the enclosure 10 of the present application saves more substrate than the carton shown in fig. 5, thereby increasing the utilization of the substrate. The enclosure 10 of the present application can save 10% of the substrate than the carton shown in fig. 5.

The method of forming the enclosure 10 is described as follows, first preparing a blank of the enclosure 10, attaching the extension 105 of the end first side panel 101 to the inside of the other end second side panel 103 to form a hollow rectangular parallelepiped frame, folding the second folds 109 inwardly to close the two open ends, folding the first folds 107 inwardly at the two ends of the enclosure 10, and inserting the folding lugs 111 of the first folds 107 into the openings 115 at the fold lines of the second folds 109, thereby completing the formation of the enclosure 10.

Finally, it should be noted that: although the present disclosure has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Claims

1. An enclosure, comprising:

the packaging box comprises two first side plates which are oppositely arranged, wherein each first side plate extends to two opening ends of the packaging box to form a first folding part, and each first folding part extends to two sides to form a folding lug;

the packaging box comprises two opposite second side plates, wherein each second side plate extends to two opening ends of the packaging box to form a second folding part, and an opening corresponding to the folding lug is formed in the folding line of each second folding part, so that the folding lug is inserted into the opening, the first folding part is fixed on the second folding part, and a closed space is formed in the packaging box.

2. The enclosure of claim 1, wherein the length of the folding lug is greater than the length of the opening.

3. The enclosure of claim 1, wherein the folding lug has rounded sides.

4. An enclosure according to claim 1, wherein the two first folds of the oppositely disposed first side panels at each open end of the enclosure together cover the entire open end after folding.

5. An enclosure according to claim 1, wherein the two second folds of the oppositely disposed second side panels at each open end of the enclosure together cover the entire open end after folding.

6. An enclosure box according to claim 1, wherein the second fold is provided with a notch in a position corresponding to the folding lug of the first fold in the unfolded state of the enclosure box, the notch having a shape matching the shape of the folding lug.

7. An enclosure according to claim 1, wherein the corners of the first folds are both scalloped.