Food packaging box
By designing a food packaging box with an elliptical streamlined structure, the problems of the existing packaging box's single structure and poor sealing performance are solved. It is made stable, sealed, easy to carry and interesting, which improves the product grade, especially its appeal to children and teenagers.
Patent Information
- Application Number
- CN202422550469.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The existing granular candy packaging box has a simple structure, is unstable, has poor sealing performance, feels bad, is inconvenient to carry, lacks fun, is difficult to attract consumers, especially children and teenagers, and has a single function and cannot hold foods of different flavors at the same time.
A food packaging box is designed, which uses an upper box body, a lower box body and a connector to form an elliptical streamlined structure. The movable connection and elliptical opening design are used to improve the sealing and hand feel. A storage cavity is provided in the connector to place a desiccant. The box has a novel appearance and can hold two flavors of candy at the same time, conforming to the ergonomic design.
The structural stability and sealing performance of the packaging box are improved, the convenience and fun of carrying are increased, the product grade is improved, especially the appeal to children and teenagers, and the shelf life of the candy is extended.
Smart Images
Figure CN223328200U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a packaging container, in particular to a food packaging box. Background Art
[0002] Currently, the packaging boxes used for granular candies, preserved fruits, and other foods on the market come in a wide variety of materials and shapes. Among food-grade packaging, small granular candies with a capacity of 20-30 grams are typically packaged in square or cylindrical shapes, which are relatively monotonous. Consumers often experience problems with the boxes, such as difficulty gripping, slipping, poor grip, and portability. Cylindrical bottles, for example, lack strength and structural instability, and are prone to deformation and damage during transportation or during product display, leading to moisture in the contents, seriously impacting product display and sales. Furthermore, they lack novelty, pleasant tactile design, and playfulness, making them difficult to distinguish on display. After a period of time on the market, consumers often develop aesthetic fatigue with these common packaging options, especially among children and adolescents who prefer novelty and design. Furthermore, common food packaging boxes are relatively limited in functionality, making them incapable of storing different flavors in the same box and inconvenient to carry.
[0003] In order to solve the problems of the above-mentioned existing candy packaging boxes such as single form, unstable structure, poor sealing performance, uncomfortable feel and inconvenient to carry and use, the utility model provides a packaging box with smooth appearance, stable structure, good sealing performance, simple processing, easy to carry, can hold two flavors of candy at the same time and is fun to play with. Utility Model Content
[0004] The purpose of the present invention is to provide a food packaging box to at least solve one of the problems raised in the above-mentioned background technology. The packaging box of the present invention is easy to use, has a compact and stable structure, good sealing performance, a streamlined design, is easy to carry, has a novel and fashionable style, feels good when played with, has low processing costs, improves the product grade, and is more likely to attract consumers' attention.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A food packaging box comprises an upper box body, a lower box body and a connecting body, wherein one end of the connecting body is movably connected to the upper box body, and the other end is movably connected to the lower box body; the top of the upper box body is provided with an upper opening, and an upper cover body is provided on the side, and the bottom inner wall of the upper box body is provided with a first fastener; the bottom of the lower box body is provided with a lower opening, and a lower cover body is provided on the side, and the top inner wall of the lower box body is provided with a second fastener; the connecting body is composed of a connecting member and a top cover, and the connecting member and the top cover are provided with a movable connecting structure, and the connecting member is a hollow structure , a first storage cavity is provided at the lower part, a second storage cavity is provided at the upper part, and the top surface is an open opening; a third fastener is provided at the upper part of the outer wall of the connector, which is compatible with the first fastener; a fourth fastener is provided at the lower part of the outer wall of the connector, which is compatible with the second fastener; a limiting flange is provided in the middle of the outer wall of the connector; the top cover is a hollow structure, located in the second storage cavity at the upper part of the connector, the shape and size of the bottom surface of the top cover are compatible with the top surface of the first storage cavity, and the bottom of the top cover can be inserted into the top of the first storage cavity of the connector to form a movable connection.
[0007] Furthermore, in the above-mentioned food packaging box, the upper opening on the top of the upper box body is elliptical, and the upper cover body is composed of an outer cover and an inner cover, one end of the inner cover is connected to the top surface of the outer cover, and the outer cover is an arc-shaped structure, forming an arc-shaped transition with the side wall of the upper box body, and the inner cover is an elliptical protrusion, the size and shape of which are adapted to the upper opening on the top of the upper box body, and nested in the upper opening on the top of the upper box body. Because of the provision of the elliptical protrusion, the inner cover and the upper opening on the top surface of the upper box body are better matched and the sealing is good when the cover is buckled, which plays a role in sealing the bottle mouth well.
[0008] The lower opening at the bottom of the lower box body is oval, and the lower cover body is composed of an outer cover and an inner cover. One end of the inner cover is connected to the bottom surface of the outer cover. The outer cover is an arc-shaped structure, forming an arc-shaped transition with the side wall of the lower box body. The inner cover is an oval-shaped protrusion, the size and shape of which are adapted to the lower opening at the bottom of the lower box body, and is nested in the lower opening at the bottom of the lower box body. Because of the oval-shaped protrusion, the inner cover and the opening at the bottom of the lower box body are better matched and the sealing is good when the cover is buckled, which plays a role in sealing the bottle mouth well.
[0009] In an optional solution: in the above-mentioned food packaging box, the upper box body, upper cover body, lower box body, lower cover body and connecting body are combined to form an elliptical structure as a whole. The structure is symmetrical up and down, novel in style, and conforms to the design of ergonomics. It adapts to the gestures of consumers when holding the packaging box, feels good when playing with it, and increases the comfort and fit of consumers.
[0010] In one alternative embodiment, in the aforementioned food packaging box, the first storage cavity of the connector has a fixing flange around its top surface, a fifth fastener on its top inner wall, and a plurality of ventilation holes on its bottom surface. The top cover has a plurality of ventilation holes on its top surface and a sixth fastener on its bottom outer wall, and the fifth fastener and the sixth fastener are mutually compatible. The fifth fastener and the sixth fastener engage effectively, firmly securing the top cover to the first storage cavity, and can be used to store items such as desiccant.
[0011] In an optional solution: in the above-mentioned food packaging box, the fifth fastener is a fixed groove structure, and the sixth fastener is a fixed flange structure. The size and shape of the fixed flange structure are compatible with the fixed groove structure of the fifth fastener, which facilitates the top cover to be inserted into the first storage cavity of the connector and plays a better fixing role, and is very easy to assemble and disassemble.
[0012] In an optional scheme: in the above-mentioned food packaging box, the upper end of the connecting body and the movable structure of the upper box body include a first fastener on the inner wall of the bottom of the upper box body and a third fastener of the connecting member, and the first fastener and the third fastener are adapted to each other; the lower end of the connecting body and the movable structure of the lower box body include a second fastener on the inner wall of the bottom of the lower box body and a fourth fastener of the connecting member, and the second fastener and the fourth fastener are adapted to each other; the use of this structure can ensure better matching when the upper box body, the lower box body and the connecting body are buckled together, the structure is compact, the sealing effect is enhanced, and at the same time, the processing technology is simple, the cost is low, the installation is quick and easy, and the structure is stable.
[0013] In an optional scheme: in the above-mentioned food packaging box, the first fastener on the inner wall of the bottom of the upper box body is an annular flange structure, and the second fastener on the inner wall of the top of the lower box body is an annular flange structure; the third fastener of the connecting member is at least two annular flanges, and two adjacent annular flanges form a fixed groove structure, and the size and shape of the fixed groove structure are adapted to the annular flange structure of the first fastener on the bottom of the upper box body; the fourth fastener of the connecting member is at least two annular flanges, and two adjacent annular flanges form a fixed groove structure, and the size and shape of the fixed groove structure are adapted to the annular flange structure of the second fastener on the top of the lower box body, ensuring that the upper box body, the lower box body and the connecting body are assembled conveniently and quickly.
[0014] In one alternative embodiment, in the aforementioned food packaging box, the third fastener on the connector is located above the intermediate retaining flange, and the fourth fastener is located below the intermediate retaining flange, with the fastener being symmetrically arranged vertically. The intermediate retaining flange is greater in height than either the third fastener or the fourth fastener, and does not exceed the thickness of the sidewalls of the upper or lower box body. This structure allows the retaining flange to better position the food packaging box, while its height does not protrude from the surface of the box body, resulting in a smooth, streamlined, and aesthetically pleasing appearance for the food packaging box, making it attractive to consumers.
[0015] In an optional solution: in the above-mentioned food packaging box, the top of the upper box body is provided with an opening recess on the other side of the upper cover body to facilitate pushing open the upper cover body, and the bottom of the lower box body is provided with an opening recess on the other side of the lower cover body to facilitate pushing open the lower cover body.
[0016] Compared with the prior art, the beneficial effects of the present invention are:
[0017] 1. The upper box body, upper cover body, lower box body, lower cover body and connector of the food packaging box of the utility model are combined to form an oval streamlined structure as a whole. It is easier to use than the packaging boxes on the market, has a compact and stable structure, good sealing performance, convenient grip, fashionable and novel style, strong fun to play with, low processing cost, improves the product grade, attracts consumers' attention, especially children and teenagers who pursue novel styles.
[0018] 2. The upper cover or lower cover of the food packaging box of the present invention is provided with an inner cover with an elliptical protrusion. When opening and closing the cover, the openings between the upper cover and the upper box body, and between the lower cover and the lower box body are better matched and sealed, the moisture-proof effect is better, and the candy can be stored for a longer time.
[0019] 3. The food packaging box of the utility model comprises an upper box body, a lower box body and a connector. The appearance and shape design are very distinctive. The upper box body and the lower box body can be respectively loaded with two candies of different flavors for the convenience of consumers. In addition, the connector body is provided with a first storage cavity which cooperates with the top cover to place items such as desiccant. The desiccant can be used by both the upper box body and the lower box body, making full use of space, unique design, saving processing costs and better moisture absorption effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the food packaging box of the present invention.
[0021] Figure 2 This is a structural diagram of the upper box body of the utility model when the upper cover is opened.
[0022] Figure 3 This is a structural diagram of the lower box body of the utility model when the lower bottle cover body is opened.
[0023] Figure 4 This is a cross-sectional view of the entire food packaging box of the present invention.
[0024] Figure 5 It is a cross-sectional view of the upper box body in the utility model.
[0025] Figure 6 It is a cross-sectional view of the lower box body in the utility model.
[0026] Figure 7This is a cross-sectional view of the food packaging box of the present invention when the upper cover and the lower cover are opened as a whole.
[0027] Figure 8 This is a schematic diagram of the structure of the connector before assembly in the present invention.
[0028] Figure 9 This is a cross-sectional view of the connector structure after assembly in the present invention.
[0029] Figure 10 This is a schematic diagram of the ventilation hole structure on the top surface of the top cover in the present utility model.
[0030] Figure 11 This is a schematic diagram of the ventilation hole structure on the bottom surface of the first storage cavity in the present invention.
[0031] In the figure: upper box body 1, upper opening 11, upper cover body 12, cover opening recess 13, first fastening member 14, outer cover 121, inner cover 122;
[0032] Lower box body 2, lower opening 21, lower cover 22, cover opening recess 23, second fastener 24, outer cover 221, inner cover 222;
[0033] Connecting body 3, connecting member 31, top cover 32, first storage cavity 311, second storage cavity 312, third fastener 313, fourth fastener 314, middle limiting flange 315, limiting flange 3111, fifth fastener 3112, vent 3113, vent 321, sixth fastener 322. DETAILED DESCRIPTION
[0034] In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "back," "left," "right," "inner," "outer," and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction. Therefore, they should not be construed as limitations on the present invention. In the present invention, the positive direction of the X-axis is considered left, and its opposite direction is considered right. The positive direction of the Y-axis is considered front, and its opposite direction is considered back. The positive direction of the Z-axis is considered up, and its opposite direction is considered down.
[0035] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0036] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, a first feature being "above," "above," or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature.
[0037] In the description of this specification, the description with reference to the terms "embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are mutually inconsistent.
[0038] Please refer to Figures 1-11 The food packaging box of the present invention is shown in the following embodiments with schematic structural diagrams at different angles.
[0039] Example
[0040] The present embodiment discloses a food packaging box, comprising an upper box body 1, a lower box body 2 and a connecting body 3, wherein one end of the connecting body 3 is movably connected to the upper box body 1, and the other end is movably connected to the lower box body 2; the top of the upper box body 1 is provided with an upper opening 11, and an upper cover body 12 is provided on the side, and an opening recess 13 is provided on the other side opposite to the upper cover body to facilitate pushing open the upper cover body, the upper opening 11 is elliptical, and the bottom inner wall of the upper box body 1 is provided with a first fastener 14, specifically, the first fastener 14 is an annular flange Structure; The upper cover body 12 is composed of an outer cover 121 and an inner cover 122. One end of the inner cover is connected to the inner top surface of the outer cover. The outer cover 121 is an arc-shaped structure with a semi-lunar cross-section, forming an arc-shaped transition with the side wall of the upper box body. The inner cover 122 is an elliptical protrusion, the size and shape of which are adapted to the upper opening 11 at the top of the upper box body, and is nested in the upper opening 11 at the top of the upper box body. Because of the presence of the elliptical protrusion, the inner cover and the upper opening at the top of the upper box body are better matched and the sealing is good when the cover is buckled, which plays a role in sealing the bottle mouth well.
[0041] The bottom of the lower box body 2 is provided with a lower opening 21, and a lower cover body 22 is provided on the side. An opening recess 23 is provided on the other side opposite to the lower cover body to facilitate pushing open the lower cover body. The lower opening 21 is elliptical, and the inner wall of the top of the lower box body is provided with a second fastener 24. Specifically, the second fastener 24 is an annular flange structure. The lower cover body 22 is composed of an outer cover 221 and an inner cover 222. One end of the inner cover is connected to the inner top surface of the outer cover. The outer cover 221 is an arc-shaped structure with a semi-lunar cross-section, forming an arc-shaped transition with the side wall of the lower box body. The inner cover 222 is an elliptical convex block, the size and shape of which are adapted to the lower opening 21 of the bottom of the lower box body, and nested in the lower opening 21 of the bottom of the lower box body. Because of the provision of the elliptical convex block, the inner cover and the lower opening 21 of the bottom of the lower box body are better matched and the sealing is good when the cover is buckled, which plays a role in sealing the bottle mouth well.
[0042] The connector 3 is composed of a connector 31 and a top cover 32. The connector and the top cover are provided with a movable connection structure. The connector 31 is a hollow structure, with a first storage cavity 311 at the bottom and a second storage cavity 312 at the top. The top surface is open to facilitate the placement of the top cover 32. At the same time, a third buckle 313 is provided on the upper part of the outer wall of the connector 31, a fourth buckle 314 is provided on the lower part of the outer wall, and an intermediate limiting flange 315 is provided in the middle of the outer wall; specifically, the third buckle 313 is two annular flanges, and the two adjacent annular flanges form a fixed groove structure. The size and shape of the fixed groove structure of the third buckle 313 are the same as those of the first buckle 14 at the bottom of the upper box body. The annular flanges are adapted to each other, and the fourth fastener 314 is two annular flanges, and the two adjacent annular flanges form a fixed groove structure. The size and shape of the fixed groove structure of the fourth fastener 314 are adapted to the annular flange structure of the second fastener 24 on the top of the lower box body, ensuring that the upper box body, the lower box body and the connector are assembled conveniently, quickly and stably; the third fastener 313 is located above the middle limiting flange 315, and the fourth fastener 314 is located below the middle limiting flange 315, and are symmetrically distributed up and down. The height of the limiting flange 315 is greater than the height of the third fastener 313 or the fourth fastener 314, and does not exceed the side wall thickness of the upper box body or the lower box body.
[0043] During assembly, the upper box body 1 is inserted into the connector 3, and the limiting flange 315 plays a better positioning role. At this time, the annular flange structure of the first fastener 14 at the bottom of the upper box body cooperates with the fixed groove structure of the third fastener 313 of the connector, so that the upper box body 1 is firmly connected to the top of the connector 3. Similarly, the lower box body 2 is inserted into the connector 3, and the limiting flange 315 plays a better positioning role. At this time, the annular flange structure of the second fastener 24 at the bottom of the lower box body cooperates with the fixed groove structure of the fourth fastener 314, so that the lower box body 2 is firmly connected to the bottom of the connector 3. The height of the limiting flange 315 does not protrude from the surface of the box body, ensuring that the overall flatness, smoothness and beauty after the combined connection are attracted to consumers.
[0044] The first storage cavity 311 has a limiting flange 3111 formed around its top surface to facilitate assembly and installation. A fifth fastener 3112 is provided on the inner wall of the top of the first storage cavity 311. Specifically, the fifth fastener 3112 is a fixed groove structure. The bottom surface of the first storage cavity 311 is provided with a plurality of ventilation holes 3113 evenly arranged in two rows. In actual use, the bottom surface of the first storage cavity 311 constitutes the top surface of the lower box body 2.
[0045] The top cover 32 is a hollow structure and is located in the second storage cavity 312 on the upper part of the connector. The top surface of the top cover 32 is provided with a plurality of ventilation holes 321, which are evenly arranged in two rows. In actual use, the top surface of the top cover 32 constitutes the bottom surface of the upper box body 1, on which granular candies can be placed. A sixth fastener 322 is provided on the bottom outer wall of the top cover 32. The shape and size of the bottom surface of the top cover are adapted to the top surface of the first storage cavity. Specifically, the sixth fastener 322 is a fixed flange structure. The size and shape of the fixed flange structure are adapted to the fixed groove structure of the fifth fastener 3112 of the first storage cavity, which facilitates the top cover to be inserted into the first storage cavity of the connector and plays a better fixing role, and is very easy to assemble and disassemble.
[0046] Since the top cover 32 is a hollow structure, it forms a space for placing a desiccant with the first storage cavity. Moisture in the upper box body 1 enters the first storage cavity where the desiccant is placed through the vent holes 321 on the top surface of the top cover 32 and is absorbed by the desiccant. Similarly, moisture in the lower box body 2 can enter the first storage cavity where the desiccant is placed through the vent holes 3113 on the bottom surface of the first storage cavity 311 and be absorbed by the desiccant, thereby achieving a significant moisture-proof and moisture-absorbing effect.
[0047] When in use, the upper box body is inserted into the top of the connector, and the third fastener at the upper end of the connector is adapted to be connected with the first fastener on the bottom inner wall of the upper box body; the lower box body is inserted into the bottom of the connector, and the fourth fastener at the lower end of the connector is adapted to be connected with the second fastener on the bottom inner wall of the lower box body. The adoption of this structure can ensure better matching when the upper box body, the lower box body and the connector are buckled together, the structure is compact, and the sealing effect is enhanced. At the same time, the processing technology is simple, the installation is quick and easy, and the structure is stable. The upper box body, the upper cover body, the lower box body, the lower cover body and the connector are combined to form an elliptical streamlined structure as a whole. The structure is symmetrical up and down, novel in style, and ergonomically designed to adapt to the gestures of consumers when holding the packaging box. It feels good when playing with it, and it is fun to play with it leisurely, which increases consumer attention and use, and greatly improves the grade and quality of the product.
[0048] The packaging bottle of the utility model adopts environmentally friendly non-toxic plastic materials that meet food requirements, has a novel appearance, and the overall packaging box has an oval structure. The upper box body and the lower box body can respectively hold candies of different flavors, which is convenient for consumers to carry and eat.
[0049] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. A person skilled in the art will be able to make other variations or modifications based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.
Claims
1. A food packaging box, characterized by: The invention comprises an upper box body, a lower box body and a connecting body, one end of the connecting body is movably connected to the upper box body, and the other end is movably connected to the lower box body; the top of the upper box body is provided with an upper opening, and an upper cover body is provided on the side, and the inner wall of the bottom of the upper box body is provided with a first buckle; the bottom of the lower box body is provided with a lower opening, and a lower cover body is provided on the side, and the inner wall of the top of the lower box body is provided with a second buckle; the connecting body is composed of a connecting piece and a top cover, and the connecting piece and the top cover are provided with a movable connecting structure, and the connecting piece is a hollow structure, and a lower part is provided The first storage cavity has a second storage cavity on the upper part and an open top surface. A third fastener is provided on the upper part of the outer wall of the connector, which is compatible with the first fastener; a fourth fastener is provided on the lower part of the outer wall of the connector, which is compatible with the second fastener; an intermediate limiting flange is provided in the middle of the outer wall of the connector; the top cover is a hollow structure, located in the second storage cavity on the upper part of the connector, the shape and size of the bottom surface of the top cover are compatible with the top surface of the first storage cavity, and the bottom of the top cover can be inserted into the top of the first storage cavity of the connector to form a movable connection.
2. A food packaging box according to claim 1, characterized in that: The upper opening at the top of the upper box body is elliptical, and the upper cover body is composed of an outer cover and an inner cover. One end of the inner cover is connected to the top surface of the outer cover. The outer cover is an arc-shaped structure and forms an arc-shaped transition with the side wall of the upper box body. The inner cover is an elliptical protrusion, the size and shape of which are adapted to the upper opening at the top of the upper box body, and is nested in the upper opening at the top of the upper box body.
3. A food packaging box according to claim 2, characterized in that: The lower opening at the bottom of the lower box body is elliptical, and the lower cover body is composed of an outer cover and an inner cover. One end of the inner cover is connected to the bottom surface of the outer cover. The outer cover is an arc-shaped structure and forms an arc-shaped transition with the side wall of the lower box body. The inner cover is an elliptical protrusion, the size and shape of which are adapted to the lower opening at the bottom of the lower box body, and is nested in the lower opening at the bottom of the lower box body.
4. A food packaging box according to claim 3, characterized in that: The upper box body, the upper cover body, the lower box body, the lower cover body and the connector are assembled to form an elliptical structure that is symmetrical in the vertical direction.
5. The food packaging box according to claim 1, characterized in that: The first storage cavity of the connecting piece is provided with a fixing flange around the top surface, a fifth fastener is provided on the top inner wall, and a plurality of ventilation holes are provided on the bottom surface. The top surface of the top cover is provided with a plurality of ventilation holes, and a sixth fastener is provided on the bottom outer wall. The fifth fastener and the sixth fastener are adapted to each other.
6. A food packaging box according to claim 5, characterized in that: The fifth fastener is a fixed groove structure, and the sixth fastener is a fixed flange structure. The size and shape of the fixed flange structure are compatible with the fixed groove structure of the fifth fastener.
7. The food packaging box according to claim 1, characterized in that: The upper end of the connecting body and the movable structure of the upper box body include a first fastener on the inner wall of the bottom of the upper box body and a third fastener of the connecting member, and the first fastener and the third fastener are adapted to each other; the lower end of the connecting body and the movable structure of the lower box body include a second fastener on the inner wall of the bottom of the lower box body and a fourth fastener of the connecting member, and the second fastener and the fourth fastener are adapted to each other.
8. The food packaging box according to claim 7, characterized in that: The first fastener on the inner wall of the bottom of the upper box body is an annular flange structure, and the second fastener on the inner wall of the top of the lower box body is an annular flange structure; the third fastener of the connecting member is at least two annular flanges, and two adjacent annular flanges form a fixed groove structure, and the size and shape of the fixed groove structure are adapted to the annular flange structure of the first fastener on the bottom of the upper box body; the fourth fastener of the connecting member is at least two annular flanges, and two adjacent annular flanges form a fixed groove structure, and the size and shape of the fixed groove structure are adapted to the annular flange structure of the second fastener on the top of the lower box body.
9. A food packaging box according to claim 7 or claim 8, characterized in that: The third fastener is located above the middle limiting flange, and the fourth fastener is located below the middle limiting flange, and they are symmetrically distributed up and down. The height of the middle limiting flange is greater than the height of the third fastener or the fourth fastener, and does not exceed the side wall thickness of the upper box body or the lower box body.
10. The food packaging box according to claim 9, characterized in that: The top of the upper box body is provided with a cover opening recess on the other side opposite to the upper cover body, and the bottom of the lower box body is provided with a cover opening recess on the other side opposite to the lower cover body.