WO2023216338A1

WO2023216338A1 - Packaging box

Info

Publication number: WO2023216338A1
Application number: PCT/CN2022/095659
Authority: WO
Inventors: 丁智勇; 张安清
Original assignee: 深圳市裕同包装科技股份有限公司
Priority date: 2022-05-11
Filing date: 2022-05-27
Publication date: 2023-11-16
Also published as: CN117087997A

Abstract

Disclosed in the present application is a packaging box, comprising: a box cover provided with a first opening and comprising a first side wall and a first snap-fit portion, the first snap-fit portion being located on the inner side of the first side wall, and the first snap-fit portion being connected to the first side wall; and a box body provided with a second opening. The box cover is configured to open or be snap-fit to the second opening; the box body comprises a second side wall extending in a first direction and at least two snap-fit portions provided on the outer side of the second side wall; the lengths of the at least two snap-fit portions in the first direction are different; the at least two snap-fit portions are both located on the outer side of the second side wall. When the packaging box is opened, in descending order of the lengths of the snap-fit portions in the first direction, the edge of the first snap-fit portion away from the first opening abuts against the edges of the multiple snap-fit portions away from the second opening.

Description

packaging box

Cross-references to related applications

This application claims priority to Chinese patent application 202210509538.

Technical field

This application relates to the field of packaging technology, and specifically to a packaging box.

Background technique

The packaging boxes currently common in the market can be used in bulk medicines, food, daily necessities, fast-moving consumer goods, etc. After the end consumer purchases, he opens the package and uses the products in the package for a period of time. Before the products in the package are used up, the packaging It also plays the role of temporary storage, storage and protection. However, the lid is easy to open by mistake and fall off, causing items to scatter. In addition, children can easily open it on their own, causing safety hazards.

Contents of the invention

The purpose of this application is to provide a packaging box that can reduce the possibility of the packaging box being accidentally opened.

On the one hand, embodiments of the present application provide a packaging box, including: a box lid with a first opening, including a first side wall and a first engaging portion, the first engaging portion is located inside the first side wall, And the first engaging part is connected to the first side wall; the box body has a second opening, and the box cover is used to open or snap the second opening; the box body includes a second side wall extending along the first direction and a There are at least two buckle parts on the outside of the second side wall, and the lengths of the at least two buckle parts along the first direction are different from each other; at least two buckle parts are located on the outside of the second side wall; when the packaging box is opened, press The lengths of the buckling portions along the first direction are arranged in descending order, and the edge of the first buckling portion away from the first opening is in sequence with the edges of the plurality of buckling portions away from the second opening.

According to any of the above embodiments of the present application, the first side wall is at least partially sleeved on the outside of the second side wall; an end of the first engaging portion close to the first opening and an end of the first side wall close to the first opening By bending connection, at least part of the first engaging portion protrudes by a preset distance relative to the inner wall surface of the first side wall.

According to any of the foregoing embodiments of the present application, one end of the buckle portion close to the second opening is bent and connected to an end of the second side wall close to the second opening, and at least part of the buckle portion is convex relative to the outer wall surface of the second side wall. When the packaging box is opened, the protrusion of the buckle portion relative to the outer wall of the second side wall contacts the protrusion of the first engaging portion relative to the inner wall of the first side wall.

According to any of the above embodiments of the present application, the buckle part includes a first buckle part and a second buckle part, and the length of the first buckle part along the first direction is greater than the second buckle part; the first buckle part Both the second buckle part and the second buckle part have the same plate-like structure, the first buckle part is provided with a first notch, and the second buckle part is located in the first gap; the shape and size of the second buckle part and the first gap are the same.

According to any of the above embodiments of the present application, the thickness of the first buckle part and the second buckle part are equal; there is a gap between the inner wall surface of the first side wall and the outer wall surface of the second side wall, and the width of the gap is It is equal to the sum of the thickness of the first engaging part, the thickness of the first buckling part and the outward distance.

According to any of the above-mentioned embodiments of the present application, the number of the first engaging parts is at least two, and the at least two first engaging parts are respectively located at both ends of the first side wall along the second direction; the second direction and the first engaging part are One direction is vertical; the number of buckle parts with equal lengths along the first direction is at least two, respectively located at both ends of the second side wall along the second direction.

According to any of the above embodiments of the present application, the first side wall is provided with a second notch and an extrusion part located in the second notch, and the extrusion part is bent and connected to the first side wall; the first engaging part and the buckle When the two parts are in contact, at least part of the buckle part is located in the second notch.

According to any of the above-mentioned embodiments of the present application, one end of the extrusion part away from the first opening is connected to the edge of the second notch; the shape of the extrusion part is the same as the shape of the second notch; both the second notch and the extrusion part are provided with There are at least two second notches provided at both ends of the first side wall along the second direction.

According to any of the above-mentioned embodiments of the present application, when the packaging box is closed, the first engaging portion engages with the plurality of engaging portions in order from small to large in length along the first direction; the first engaging portion When engaged with the buckle, the sound is no less than 40dB.

According to any of the above-mentioned embodiments of the present application, the inside of the box lid and the inside of the box body are both provided with waterproof coatings; the second opening of the box body is in contact with the inside of the box lid.

In the packaging box provided by the embodiment of the present application, the first engaging portion of the box cover can sequentially form an engaging structure with the plurality of engaging portions of the box body. When the packaging box is opened, the engagement between the first engaging portion and different engaging portions is released sequentially according to the length of the engaging portion along the first direction from large to small. When the longer latching part is released from the first latching part, the first latching part will engage with the shorter latching part, and so on until the first engaging part and the shortest latching part are released. The packaging box can be opened only by the engagement between the boxes, thereby reducing the possibility of the box cover being opened by mistake and reducing the safety risks caused by children opening the packaging box by mistake.

Description of the drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to describe the embodiments. Obviously, for those of ordinary skill in the art, without exerting creative labor, Under the premise, other drawings can also be obtained based on these drawings.

Figure 1 is a schematic diagram of the closed state of the packaging box according to the first embodiment of the present application;

Figure 2 is a schematic diagram of the packaging box in an opened state according to the first embodiment of the present application;

Figure 3 is a schematic diagram of the internal structure of the packaging box according to the first embodiment of the present application when the first engaging part and the first buckling part are engaged;

Figure 4 is a partial cross-sectional view of the first engaging part and the first buckling part of the packaging box according to the first embodiment of the present application when they are engaged;

Figure 5 is a schematic diagram of the internal structure of the packaging box according to the first embodiment of the present application when the first engaging part and the second engaging part are engaged;

Figure 6 is a partial cross-sectional view of the first engaging part and the second engaging part of the packaging box according to the first embodiment of the present application.

Explanation of reference symbols:

1. Box lid; 11. First side wall; 111. Second notch; 112. Extrusion part; 12. First engaging part; 13. First opening;

2. Box body; 21. Second side wall; 22. Snap portion; 22A, first snap portion; 22B, second snap portion 221, first notch; 23. Second opening;

Y, first direction; X, second direction.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the appended claims.

It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, the application may be implemented differently. Components, features, and elements with the same names in the examples may have the same meaning or may have different meanings. Their specific meanings need to be determined based on their interpretation in the specific embodiment or further combined with the context of the specific embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this article, the first information may also be called second information, and similarly, the second information may also be called first information. Depending on the context, the word "if" as used herein may be interpreted as "when" or "when" or "in response to determining." Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It should be further understood that the terms "comprising" and "including" indicate the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not exclude one or more other features, steps, operations, The presence, occurrence, or addition of elements, components, items, categories, and/or groups. The terms "or" and "and/or" as used herein are to be construed as inclusive or to mean any one or any combination. Therefore, "A, B or C" or "A, B and/or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B and C" . Exceptions to this definition occur only when the combination of elements, functions, steps, or operations is inherently mutually exclusive in some manner. When describing the structure of a component, when one layer or region is referred to as being "on" or "above" another layer or region, it can mean that it is directly on the other layer or region, or is between it and the other layer or region. There are other layers or areas between another layer and another area. And if the part is turned over, that layer, one area, will be "under" or "under" another layer, area. In the embodiment of this application, "B corresponding to A" means that B is associated with A, and B can be determined based on A. However, it should also be understood that determining B based on A does not mean determining B only based on A. B can also be determined based on A and/or other information.

It should be understood that the specific embodiments described here are only used to explain the present application and are not used to limit the present application.

In the subsequent description, the use of suffixes such as "module", "component" or "unit" used to represent elements is only to facilitate the description of the present application and has no specific meaning in itself. Therefore, "module", "component" or "unit" may be used interchangeably.

The applicant found that when packaging boxes are used for packaging objects such as bulk medicines, food, daily necessities, and fast-moving consumer goods, the packaging boxes must temporarily store, contain, and protect the packaging objects before the packaging objects in the packaging box are used up. In order to enable the packaging box to be used repeatedly, a locking structure is usually provided to keep the packaging box in a closed state. However, when the packaging box is subjected to external force, it is easy to cause the locking structure to open accidentally, causing the packaging object to overturn, affecting the use of the packaging object. In addition, children may open the locking structure when they are curious or unaware, causing the packaging box to be opened by mistake, causing safety hazards.

In view of the above analysis, the applicant proposed a packaging box. The lid and the box body of the packaging box are interlocked with each other. The lid is provided with a first engaging portion, and the box body is provided with a plurality of buckles with unequal lengths along the first direction. department. When the packaging box is opened, in descending order of the length of the buckle portions along the first direction, the edge of the first buckle portion away from the first opening is in sequence with the edges of the plurality of buckle portions away from the second opening. . Only by continuing to release the engagement between the first engaging part and the second engaging part can the packaging box be opened. Because when the engaging structure between the first engaging part and the first engaging part is mistakenly released, the first engaging part and the third engaging part can still form an engaging structure, thereby reducing the possibility of the packaging box being accidentally opened. sex.

First embodiment

Figure 1 is a schematic diagram of the closed state of the packaging box according to the first embodiment of the present application. Figure 2 is a schematic diagram of the packaging box in an open state according to the first embodiment of the present application.

Referring to Figures 1 and 2, an embodiment of the present application provides a packaging box, including: a box cover 1 with a first opening 13. The box cover 1 includes a first side wall 11 and a first engaging portion 12. An engaging portion 12 is located inside the first side wall 11, and the first engaging portion 12 is connected to the first side wall 11; the box body 2 has a second opening 23, and the box cover 1 is used to open or engage the first side wall 11. Two openings 23; the box body 2 includes a second side wall 21 extending along the first direction Y and at least two buckle portions 22 provided on the outside of the second side wall 21. The at least two buckle portions 22 extend along the first direction Y. The lengths of Y are different from each other; at least two buckle parts 22 are located outside the second side wall 21; when the packaging box is opened, according to the length of the buckle parts 22 along the first direction Y in descending order, the first buckle The edge of the joint portion 12 away from the first opening 13 is in sequence with the edges of the plurality of buckling portions 22 away from the second opening 23 .

The box body 2 is used as the main body of the packaging box in the embodiment of the present application, and is provided with an accommodation space for accommodating packaging objects. The second opening 23 is the opening of the accommodation space, and the packaging objects can be placed in the accommodation space through the second opening 23 . The box lid 1 adopts a fastening method. When the box lid 1 and the box body 2 are fastened, at least part of the box body 2 is inserted into the first opening 13 and the box lid 1 covers the second opening 23 . During the process of opening the packaging box of the embodiment of the present application, it is necessary to move the box lid 1 relative to the box body 2 in the opposite direction of the opening of the first opening 13 .

The first engaging portion 12 is located inside the first side wall 11 , and the buckling portion 22 is located outside the second side wall 21 . The first engaging portion 12 can form an engaging structure with one of the plurality of buckling portions 22 . Since the distance from the plurality of buckle parts 22 to the second opening 23 is not equal, during the process of opening the packaging box of the embodiment of the present application, the first buckle part 12 will first engage with the buckle part with the largest length. 22 forms an engaging structure. At this time, the box cover 1 can no longer move, thereby realizing the locking of the packaging box in the embodiment of the present application. In order of length from large to small, when the engagement between the first engaging portion 12 and the longer engaging portion 22 is released, the first engaging portion 12 will engage with the shorter engaging portion 22 until the first engaging part 12 and all the engaging parts 22 are released, the box cover 1 can be continued to be moved, and the box cover 1 is removed from the box body 2, that is, the packaging box of the embodiment of the present application is opened. .

When the packaging box of the embodiment of the present application is in a closed state, if there is a misoperation or the packaging box is hit by an external force, the engagement between the first engaging part 12 and the longer engaging part 22 is released, and the first engaging part 12 is released. The engaging portion 12 will also form an engaging structure with the shorter engaging portion 22, thereby preventing the box cover 1 from falling off the box body 2, thereby reducing the risk of the packaging box in the embodiment of the present application being accidentally opened. Similarly, children's misoperation will usually release the engagement between the first engaging portion 12 and the longest engaging portion 22 , making it difficult to further release the engagement between the first engaging portion 12 and other engaging portions 22 . Therefore, it can also reduce the possibility of children opening the packaging box by mistake. Since the packaging box of the embodiment of the present application can effectively reduce the risk of being accidentally opened, the embodiment of the present application is suitable for use in long-distance transportation and extremely harsh environments. In addition, when the packaging box of the embodiment of the present application is placed vertically, after the engagement between the first engaging portion 12 and the longest engaging portion 22 is mistakenly released, once the external force no longer acts on the box cover 1 , the box cover 1 will fall back to its original position under the action of gravity, and the first engaging portion 12 and the longest engaging portion 22 will form an engaging structure again, so that the packaging box of the embodiment of the present application returns to the closed state.

It should be noted that the packaging box in the embodiment of the present application can be made of cardboard material. During production, the cardboard is first cut and then bent into shape. For example, the cardboard can be corrugated paper, white cardboard, or kraft cardboard. Since the packaging box in the embodiment of the present application is made of cardboard material, the packaging box itself has sufficient structural strength to meet transportation requirements, and can also reduce the production cost of the packaging box, which is beneficial to environmental protection.

FIG. 3 is a schematic diagram of the internal structure of the packaging box according to the first embodiment of the present application when the first engaging part and the first buckling part are engaged. Figure 4 is a partial cross-sectional view of the first engaging part and the first buckling part of the packaging box according to the first embodiment of the present application when they are engaged. Figure 5 is a schematic diagram of the internal structure of the packaging box when the first engaging part and the second engaging part are engaged, according to the first embodiment of the present application. Figure 6 is a partial cross-sectional view of the first engaging part and the second engaging part of the packaging box according to the first embodiment of the present application.

Further, continue to refer to Figures 1 and 2, and in conjunction with Figures 3 to 6, the first side wall 11 is at least partially sleeved on the outside of the second side wall 21; the first engaging portion 12 is close to the first opening 13 One end is bent and connected to an end of the first side wall 11 close to the first opening 13 , and at least part of the first engaging portion 12 protrudes by a predetermined distance relative to the inner wall surface of the first side wall 11 .

The first side wall 11 is sleeved on the outside of the second side wall 21 , and the first engaging portion 12 located inside the first side wall 11 can engage with the buckling portion 22 located outside the second side wall 21 . The first engaging portion 12 and the first side wall 11 are of an integral structure, and are bent at the connection point between the first engaging portion 12 and the first side wall 11 so that the first engaging portion 12 can be bent at the first side wall. 11 inside.

It should be noted that the material of the first engaging portion 12 and the first side wall 11 may be a material with certain elasticity and plasticity, such as cardboard. Considering that the packaging box in the embodiment of the present application is made of cardboard material, when the first engaging portion 12 and the first side wall 11 are bent and connected, the cardboard material will tend to return to its original shape due to its own elasticity. Therefore, due to the elasticity of the materials of the first engaging part 12 and the first side wall 11 , the first engaging part 12 will be slightly inclined relative to the inner wall surface of the first side wall 11 , so that a part of the first engaging part 12 is relatively inclined relative to the inner wall surface of the first side wall 11 . The inner wall surface of one side wall 11 is convex. In addition, the inclined first engaging portion 12 can also facilitate alignment when the box body 2 and the box cover 1 are engaged. When the first engaging portion 12 adopts a plate-like structure, one end of the first engaging portion 12 away from the first opening 13 is suspended and protrudes from the inner wall surface of the first side wall 11 for engaging with the buckling portion 22 . For example, the preset distance may be 1 to 2 mm (millimeters). Since the connection between the first engaging portion 12 and the first side wall 11 is bent, when the box cover 1 and the box body 2 are fastened, the first engaging portion 12 will not interfere with the fastening process.

Further, continuing to refer to FIGS. 1 to 6 , one end of the buckle portion 22 close to the second opening 23 is bent and connected to an end of the second side wall 21 close to the second opening 23 , and at least part of the buckle portion 22 is opposite to the second side. The outer wall surface of the wall 21 is convex; when the packaging box is opened, the convex portion of the buckle portion 22 relative to the outer wall surface of the second side wall 21 and the convex portion of the first engaging portion 12 relative to the inner wall of the first side wall 11 are in contact with each other. catch.

The buckle part 22 and the second side wall 21 are of an integral structure, and are bent at the connection point between the buckle part 22 and the second side wall 21 . The buckle part 22 can be bent with the outside of the second side wall 21 . It should be noted that the material of the buckle portion 22 and the second side wall 21 can be a material with certain elasticity and plasticity, such as cardboard. Considering that the packaging box in the embodiment of the present application is made of cardboard material, when the buckle portion 22 and the second side wall 21 are bent and connected, the cardboard material will tend to return to its original shape due to its own elasticity. Therefore, due to the self-elasticity of the materials of the buckling portion 22 and the second side wall 21 , the buckling portion 22 will be slightly inclined relative to the outer wall surface of the second side wall 21 , so that a part of the buckling portion 22 is relative to the outer surface of the second side wall 21 . The walls are raised. When the second side wall 21 and the buckle part 22 adopt a sheet pile structure, one end of the inclined buckle part 22 away from the second opening 23 is suspended and protrudes from the inner wall surface of the first side wall 11 for connecting with the first side wall 11 . The engaging portion 12 is engaged.

Further, when the packaging box is closed, the first engaging portion 12 engages with the plurality of buckling portions 22 in order from small to large in length along the first direction Y; the first engaging portion 12 and the buckling portions 22 When engaged, a sound of no less than 40dB (decibel) is emitted. When closing the packaging box of the embodiment of the present application, the box lid 1 and the box body 2 are fastened, and the first engaging part 12 will simultaneously squeeze the buckling part 22 until the first engaging part 12 and the buckling part 22 are engaged. . At this time, the first engaging portion 12 and the buckling portion 22 are out of the extruded state. Considering that both the first engaging part 12 and the buckling part 22 are bent and formed using a cardboard structure with a certain elasticity, both the first engaging part 12 and the buckling part 22 will have a small amount of rebound, and the user can feel The vibration tactile sensation during rebound can be heard, and the "click" sound caused by the vibration of the material during rebound can be heard, so that the user can confirm that the first engaging part 12 and the buckling part 22 are engaged at this time. In the same way, when the first engaging part 12 engages with any of the buckling parts 22, the material will rebound due to the elasticity of the material, causing a vibrating touch and vibration, so that the user can feel the touch and hear a "click" sound. .

Further, continuing to refer to FIGS. 1 to 6 , the buckle part 22 includes a first buckle part 22A and a second buckle part 22B. The length of the first buckle part 22A along the first direction Y is greater than the second buckle part 22B. ; The first buckle part 22A and the second buckle part 22B are both of the same plate-like structure. The first buckle part 22A is provided with a first notch 221, and the second buckle part 22B is located in the first notch 221; the second buckle The shape and size of the portion 22B and the first notch 221 are the same.

Along the first direction Y, multiple buckle portions 22 of different lengths may be provided. For convenience of explanation, this application takes the case of two buckle portions 22 of different lengths as an example. The length of the first buckle part 22A along the first direction Y is longer than the second buckle part 22B.

When the first buckle part 22A and the second buckle part 22B are both plate-shaped structures, since the first buckle part 22A and the second buckle part 22B are both bent and connected to the edge of the second opening 23, therefore, in The first buckle part 22A is provided with a first notch 221, and the second buckle part 22B is located in the first notch 221, which can effectively prevent the first buckle part 22A and the second buckle part 22B from interfering with each other. During production, the first buckle part 22A and the second side wall 21 can be cut and shaped first, and then the first buckle part 22A can be bent to the outside of the second side wall 21, and then the first buckle part 22A can be Cut, the first cutting line and the bending line of the first buckle part 22A and the second side wall 21 form the second buckle part 22B. After the second buckle part 22B is bent relative to the first buckle part 22A, the first buckle part 22B is formed. The first cutting line and the bending line form a first notch 221 on the buckle portion 22A. Therefore, the manufacturing process of the first buckle part 22A and the second buckle part 22B can be simplified.

Further, continuing to refer to FIGS. 3 to 6 , the thicknesses of the first buckle part 22A and the second buckle part 22B are equal; there is a gap between the inner wall surface of the first side wall 11 and the outer wall surface of the second side wall 21 , the width of the gap is equal to the sum of the thickness of the first engaging part 12 , the thickness of the first engaging part 22A and the outward distance.

When the first buckle part 22A and the second buckle part 22B are both plate-shaped structures, the thicknesses of the first buckle part 22A and the second buckle part 22B are equal. Considering that the first engaging part 12 is inclined relative to the inner wall surface of the first side wall 11 , the first buckling part 22A and the second buckling part 22B are inclined relative to the outer wall surface of the second side wall 21 , the first side wall 11 A gap is provided between the inner wall surface and the outer wall surface of the second side wall 21 so that the box lid 1 and the box body 2 can be smoothly engaged. That is to say, the width of the gap must be greater than the thickness of the first engaging portion 12 and the first engaging portion 12 . The sum of the thickness of the buckle part 22A and the width of the gap is equal to the sum of the thickness of the first buckle part 12 , the thickness of the first buckle part 22A and the outward distance, that is, the first buckle part 12 is pressed on the first side On the inner wall surface of the wall 11, the first buckle portion 22A is pressed against the outer wall surface of the second side wall 21, and there is still a certain opening distance as an assembly margin for the box lid 1 and the box body 2 to be fastened together. When the box cover 1 and the box body 2 are assembled, the first engaging portion 12 rebounds under the elasticity of the material itself and is inclined relative to the inner wall surface of the first side wall 11 , while the first buckling portion 22A rebounds under the elasticity of the material itself. The lower rebound is inclined relative to the outer wall surface of the second side wall 21 , so that the suspended end of the first engaging part 12 and the suspended end of the first engaging part 22A can still form an engaging structure. It should be noted that yes, the external distance can be 0.5~1mm (millimeters).

Further, continuing to refer to FIGS. 1 to 6 , the number of the first engaging parts 12 is at least two, and the at least two first engaging parts 12 are respectively located at both ends of the first side wall 11 along the second direction X; The two directions X are perpendicular to the first direction Y; there are at least two buckling portions 22 with equal lengths along the first direction Y, which are respectively located at both ends of the second side wall 21 along the second direction. Along the second direction , directly snaps with the box body 2, simplifying the snapping process of the packaging box in the embodiment of the present application. First engaging portions 12 are provided on both sides of the first side wall 11, which enables both ends of the box cover 1 to engage with the box body 2, so that the entire box cover 1 is evenly stressed, further reducing the possibility of accidentally opening the packaging box. possibility. In addition, when the packaging box of the embodiment of the present application is large, it is necessary to use two hands to release the engagement of the box lid 1 and the box body 2 from both ends in the second direction X, which is more ergonomic. When opening, it is necessary to Only when the box body 2 is placed on a stable surface can it be conveniently operated by both hands, which is beneficial to reducing the risk of the packaging box of the embodiment of the present application toppling over.

Further, continuing to refer to Figures 1 to 2, the first side wall 11 is provided with a second notch 111 and an extrusion portion 112 located in the second notch 111. The extrusion portion 112 is bent and connected to the first side wall 11; first When the engaging portion 12 contacts the first buckling portion 22A, at least part of the buckling portion 22 is located in the second notch 111 .

The pressing part 112 is used to release the engagement. When the first engaging portion 12 and the buckling portion 22 are in contact to form an engaging structure, the buckling portion 22 is located in the second notch 111 and is in an exposed state, and the pressing portion 112 located in the second notch 111 is pressed. The first engaging portion 112 passes through the second notch 111 , and the buckling portion 22 is pressed, so that the buckling portion 22 is separated from the first engaging portion 12 , thereby releasing the engagement state between the first engaging portion 12 and the buckling portion 22 . It should be noted that the buckle part 22 does not enter the second notch 111 or protrude from the second gap 111 , so the second gap 111 does not interfere with the movement of the buckle part 22 .

When opening the packaging box of the embodiment of the present application, press the pressing part 112 to release the engagement between the first engaging part 12 and the first buckling part 22A, and move the box cover 1 relative to the box body 2 to the first engaging part. 12 forms an engaging structure with the second buckling part 22B, press the extruding part 112 again to release the engagement between the first engaging part 12 and the second buckling part 22B, and continue to move the box cover 1 to the box cover 1 Remove it from the box body 2, that is, the packaging box is opened.

Further, continuing to refer to FIGS. 1 to 6 , one end of the extruded portion 112 away from the first opening 13 is connected to the edge of the second notch 111 ; the shape of the extruded portion 112 is the same as the shape of the second notch 111 . When making the extruded part 112, the second cutting line can be cut on the first side wall 11 and bent to form the extruded part 112. The second cutting line and the bending line form the second notch 111, which can simplify the construction of the extruded part 112. Production process.

Further, continuing to refer to FIGS. 1 to 6 , at least two second notches 111 and extrusion portions 112 are provided. At least two second notches 111 are provided at both ends of the first side wall 11 along the second direction X. Along the second direction

Furthermore, the inside of the box lid 1 and the inside of the box body 2 are both provided with waterproof coatings; the second opening 23 of the box body 2 is in contact with the inside of the box lid 1 . The waterproof coating can prevent water vapor from entering the packaging box and prevent moisture. It is suitable for packaging objects such as medicines that are prone to moisture and deterioration. The second opening 23 contacts the inside of the box cover 1, which can reduce the air circulation inside and outside the packaging box and achieve a certain sealing effect.

In the packaging box provided by the embodiment of the present application, the first engaging portion of the box cover can sequentially form an engaging structure with the plurality of engaging portions of the box body. When the packaging box is opened, the engagement between the first engaging portion and different engaging portions is released sequentially according to the length of the engaging portion along the first direction from large to small. When the longer latching part is released from the first latching part, the first latching part will engage with the shorter latching part, and so on until the first engaging part and the shortest latching part are released. The packaging box can be opened only when the packaging box is opened, thereby reducing the possibility of the box cover being accidentally opened and reducing the safety risks caused by children opening the packaging box accidentally.

The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of the present application may be directly or indirectly used in other related technical fields. , are all equally included in the patent protection scope of this application.

Claims

A packaging box including:

A box cover with a first opening includes a first side wall and a first engaging portion, the first engaging portion is located inside the first side wall, and the first engaging portion is connected to the first engaging portion. One side wall connection;

A box body with a second opening, the box cover is used to open or snap the second opening; the box body includes a second side wall extending along the first direction and a second side wall provided on the second side wall. At least two buckle parts on the outside, the lengths of the at least two buckle parts along the first direction are different from each other; at least two of the buckle parts are located on the outside of the second side wall; the packaging box is opened When, in descending order of the lengths of the buckle parts along the first direction, the edge of the first buckle part away from the first opening is sequentially separated from the edge of at least two buckle parts away from the first opening. The edges of the two openings are in contact.
The packaging box according to claim 1, wherein the first side wall is at least partially sleeved on the outside of the second side wall; an end of the first engaging portion close to the first opening is connected to the first side wall. One end of the first side wall close to the first opening is bent and connected, and at least part of the first engaging portion protrudes by a predetermined distance relative to the inner wall surface of the first side wall.
The packaging box according to claim 2, wherein an end of the buckle portion close to the second opening is bent and connected to an end of the second side wall near the second opening, and at least part of the buckle portion is opposite to the second opening. The outer wall surface of the second side wall is convex;

When the packaging box is opened, the protrusion of the buckle portion relative to the outer wall of the second side wall abuts against the protrusion of the first engaging portion relative to the inner wall of the first side wall.
The packaging box according to claim 3, wherein at least two of the buckle parts include a first buckle part and a second buckle part, and the length of the first buckle part along the first direction is greater than the length of the buckle part. The second buckle part; the first buckle part and the second buckle part are both of the same plate-shaped structure, the first buckle part is provided with a first notch, and the second buckle part is located at The first notch; the second buckling portion and the first notch have the same shape and size.
The packaging box according to claim 4, wherein the thickness of the first buckle part and the second buckle part are equal;

A gap is provided between the inner wall surface of the first side wall and the outer wall surface of the second side wall, and the width of the gap is equal to the thickness of the first engaging part and the thickness of the first buckling part. and the sum of the outward distance.
The packaging box according to claim 1, wherein the number of the first engaging parts is at least two, and the at least two first engaging parts are respectively located on both sides of the first side wall along the second direction. end; the second direction is perpendicular to the first direction;

There are at least two buckling portions with equal lengths along the first direction, which are located at both ends of the second side wall along the second direction.
The packaging box according to claim 1, wherein the first side wall is provided with a second notch and an extrusion portion located in the second notch, and the extrusion portion is bent and connected to the first side wall. ;

When the first engaging portion is in contact with the buckling portion, at least part of the buckling portion is located in the second notch.
The packaging box according to claim 7, wherein one end of the extrusion part away from the first opening is connected to an edge of the second notch; the shape of the extrusion part is consistent with the shape of the second notch. same;

There are at least two second notches and at least two extruded portions, and at least two second notches are provided at both ends of the first side wall along the second direction.
The packaging box according to claim 1, wherein when the packaging box is closed, the first engaging portion and the plurality of buckling portions are arranged in order from small to large in length along the first direction. Engage in sequence; when the first engaging part engages with the buckle part, a sound of not less than 40dB is emitted.
The packaging box according to claim 1, wherein the inside of the box lid and the inside of the box body are both provided with waterproof coatings; the second opening of the box body is in contact with the inside of the box lid.