Closable container

Abstract

The closable container comprises a container body composed of a base and side plates and a box cover, the box cover is installed at an opening of the container in a matched mode, the closable container further comprises a self-locking mechanism, the self-locking mechanism is arranged in the box cover, and the self-locking mechanism comprises a lock catch mechanism and a driving assembly. The lock catch mechanism is provided with at least one telescopic spring bolt, and the spring bolt partially extends out of the edge of the box cover in the initial state and is used for being locked with a lock groove formed in the edge of an opening of the container body in a matched mode. The driving assembly is connected with the lock catch mechanism and used for driving the spring bolt to stretch out and draw back, according to the container capable of being sealed, through automatic lock catch, a disposable packing belt and a packing buckle are replaced, and the packing procedure is simplified.

Description

Technical Field

[0001] The invention relates to the technical field of turnover containers, and in particular to a closable container. Background Art

[0002] Existing cartons often use disposable consumables such as strapping tape, strapping buckles, and adhesive tape when packing goods, which wastes resources and increases the difficulty of packing operations. Moreover, when cartons are soaked in water, they are easily damaged and expanded during transportation and after stacking.

[0003] There is another type of plastic turnover box with a lid, which is usually a double flap. When fully loaded with goods, the center of the box (the junction of the double flaps) has the greatest impact on the lid. Generally, there is a lock at the junction, but because the lid is soft and easily deformed, the double lids are easily pushed up after the impact, causing the lock to fail. Summary of the invention

[0004] The object of the present invention is to provide a closable container with a single flip cover structure, which is equipped with an automatic lock buckle to achieve automatic locking and simplify the packaging procedure.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0006] A closable container comprises a container body consisting of a base and a side plate and a box cover, wherein the box cover is adapted to be installed at the container opening, and further comprises a self-locking mechanism, wherein the self-locking mechanism is arranged inside the box cover, and the self-locking mechanism comprises:

[0007] A locking mechanism, wherein the locking mechanism has at least one retractable locking tongue, wherein the locking tongue partially extends out of the edge of the box cover in an initial state and is used to cooperate with a locking groove arranged at the edge of the opening of the container body to lock;

[0008] A drive assembly is connected to the locking mechanism and is used to drive the box cover to lock or unlock relative to the container opening.

[0009] In one embodiment, the drive assembly includes an operating portion, and the box cover is used to achieve a locking or unlocking operation relative to the container opening through the operating portion.

[0010] In one embodiment, the operating part drives the extension and retraction of the locking tongue to cooperate with the locking groove at the edge of the opening of the container body to achieve locking and unlocking operations.

[0011] In one embodiment, the box cover is further provided with a box cover stopper, and the locking mechanism is provided with a locking limiter, and the box cover stopper is arranged relative to the locking limiter to limit the displacement of the locking mechanism within a preset distance of the box cover.

[0012] In one embodiment, the driving assembly includes a reset member, which acts on the locking mechanism and generates a force on the locking mechanism to keep the locking tongue in an initial state.

[0013] In one embodiment, the reset member is a spring, the box cover is provided with a box cover limiting portion, the locking mechanism is provided with a locking limiting portion, and both ends of the spring are fixedly connected to the box cover limiting portion and the locking limiting portion respectively.

[0014] In one embodiment, the locking mechanism includes a guide block, the box cover is provided with a guide groove, the guide block is located in the guide groove, and the locking mechanism realizes the telescopic action of the locking tongue by sliding the guide block in the guide groove.

[0015] In one embodiment, the locking groove has a locking groove and a container guide portion, and the locking tongue includes a stop portion and a lock guide portion. The lock guide portion and the container guide portion cooperate with each other to guide the stop portion of the locking tongue into the locking groove for fixation.

[0016] In one embodiment, the container guide portion protrudes from the locking groove, and the container guide portion can limit the movement of the stop portion in the height direction of the side plate.

[0017] In one embodiment, the edge of the box cover is provided with a circumferential flange.

[0018] In one embodiment, the turnover box as described in claim 1 is characterized in that a box cover bite portion is provided on the eave portion of the box cover, and the box cover bite portion bites with the upper end of the side panel on the corresponding side.

[0019] In one embodiment, the box cover engaging portion is an eave portion extending longitudinally along the main body of the box cover, and the eave portion overlaps the upper end of the corresponding side panel to form a cover.

[0020] In one embodiment, the box cover engagement portion is a first engagement portion located at the edge of the box cover, and the side panel corresponding to the first engagement surface is provided with a second engagement portion, and the first engagement portion cooperates with the second engagement portion to achieve engagement between the box cover and the side panel.

[0021] In one embodiment, the first engaging portion is a first engaging surface extending from the edge of the box cover toward the base, the second engaging portion is a second engaging surface extending upward from the upper end of the side panel, and a stop portion is arranged on the upper end of the side panel; when the box cover is closed, the first engaging surface is located on the inner side of the second engaging surface, and the bottom of the first engaging surface is abutted against the stop portion.

[0022] In one embodiment, the box cover is provided with a box cover limiting portion, and the side panel is provided with the side panel limiting portion matched with the box cover limiting portion, and when the box cover covers the opening of the container, the box cover limiting portion is located inside the side panel limiting portion.

[0023] In one embodiment, the box cover is further provided with a cavity area and a non-cavity area, and the cavity area is a closed cavity structure; at least part of the cavity area surrounds at least part of the non-cavity area to form a reinforcement area.

[0024] In one embodiment, the cavity area is an integral and connected structure.

[0025] In one embodiment, the cavity area includes: a plurality of independent cavity portions that are not interconnected; at least part of the independent cavity portions surround at least part of the non-cavity area to form the reinforcement area.

[0026] In one embodiment, a side edge of the box cover provided with a self-locking mechanism and a side edge of the box cover hingedly connected to the side plate both have the cavity area.

[0027] The present invention adopts the above technical solution, which has the beneficial effect that a self-locking mechanism is arranged on the box cover of the closable container provided by the present invention, and the self-locking mechanism can be directly locked with the locking groove at the edge of the opening of the container body to replace the disposable packing tape and the packing buckle, simplify the packaging procedure, and overcome the defects of sealing and locking stability caused by the combination of two lids of the old box body, while having convenience and ease of use.

[0028] In addition, a cavity is provided on the box cover to strengthen the box cover and prevent the lock from failing due to vibration or deformation of the box cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of a closable container, in which the lock is partially cut away to show a schematic diagram of the lock and the side panel being in an unlocked state.

[0030] Figure 2 It is a schematic diagram of a box cover, in which the lock is partially cut away to show part of the structure of the lock.

[0031] Figure 3 yes Figure 2 The enlarged view of point B in the figure shows the structural schematic diagram of the locking mechanism and the box cover being connected in cooperation.

[0032] Figure 4 It is a schematic diagram of a box cover, in which the lock is partially cut away to show part of the structure of the lock.

[0033] Figure 5 yes Figure 4The enlarged view at point C in the figure is a schematic diagram showing the reset member in its initial state.

[0034] Figure 6 yes Figure 4 The enlarged view at point C in the figure is a schematic diagram showing the reset member in a stretched state.

[0035] Figure 7 yes Figure 1 The enlarged view of point A in the middle is a schematic diagram showing the lock and the side panel in the unlocked state.

[0036] Figure 8 It is a schematic diagram of a closable container, in which the lock is partially cut away to show a schematic diagram of the lock and the side plate being in a locked state.

[0037] Fig. 9 yes Figure 8 The enlarged view at D in the middle is a schematic diagram showing the lock buckle and the side panel in the locked state.

[0038] Fig.10 It is a schematic diagram of a closable container, wherein the cavity is partially cut away to show a schematic diagram of the structure of the cavity.

[0039] Fig.11 yes Fig.10 The enlarged view at E in the figure shows the schematic structural diagram of the cavity.

[0040] Fig.12 It is a cross-sectional view on the top view of the box cover to show the structure of the three cavities.

[0041] Fig.13 It is a schematic diagram of a turnover box, with a partial cross-section of the box cover showing the engagement of the box cover with the side panels.

[0042] Fig.14 yes Fig.13 The enlarged view at F in the middle shows the schematic diagram of the engagement between the box cover and the short side panel.

[0043] Fig.15 yes Fig.13 The enlarged view at G in the middle shows the schematic diagram of the engagement between the box cover and the long side panel.

[0044] Fig.16 It is a schematic diagram of a turnover box, which is another structural schematic diagram of a partial cross-section of the box cover and the engagement of the box cover and the side panels.

[0045] Fig.17 yes Fig.16 The enlarged view at H in the middle shows the schematic diagram of the engagement between the box cover and the side panel.

[0046] Fig.18It is a top view schematic diagram of the turnover box, which is another structural schematic diagram of the partial cross-section of the box cover and the engagement of the box cover and the side panel.

[0047] Fig.19 yes Fig.18 The enlarged view at I in the middle is a schematic diagram showing the engagement between the box cover and the side panel. DETAILED DESCRIPTION

[0048] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings so that the purpose, features and advantages of the present invention can be more clearly understood. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the present invention, but are only intended to illustrate the essential spirit of the technical solution of the present invention.

[0049] In the following description, certain specific details are set forth for the purpose of illustrating various disclosed embodiments to provide a thorough understanding of the various disclosed embodiments. However, those skilled in the relevant art will recognize that the embodiments may be practiced without one or more of these specific details. In other cases, well-known devices, structures, and techniques associated with the present application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

[0050] Unless the context requires otherwise, throughout the specification and claims, the word "comprise" and variations such as "include" and "have" should be construed in an open, inclusive sense, ie, should be interpreted as "including, but not limited to."

[0051] References throughout the specification to "one embodiment" or "an embodiment" indicate that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of "in one embodiment" or "in an embodiment" in various places throughout the specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any manner in one or more embodiments.

[0052] As used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and / or" unless the context clearly dictates otherwise.

[0053] In the following description, in order to clearly show the structure and working mode of the present invention, many directional words will be used for description, but the words "front", "back", "left", "right", "outside", "inside", "outward", "inward", "up", "down", etc. should be understood as convenient terms and should not be understood as restrictive terms.

[0054] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0055] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0056] like Figure 1 As shown, the present invention provides a closable container. In this embodiment, the closable container is taken as an example of a box body with a box cover. The box body includes a base 11 and four side panels arranged opposite to each other. The four side panels are divided into a pair of long side panels 12 and a pair of short side panels 13. The pair of long side panels and the pair of short side panels are arranged opposite to each other. The pair of long side panels, the pair of short side panels and the base 11 are enclosed to form a rectangular cavity for loading goods. In some cases, the lengths of the long side panels and the short side panels can also be the same, in which case a square cavity is formed. Each side panel and the base are usually plastic parts, which can be made by existing processes such as vacuum forming and injection molding.

[0057] The box body also includes a box cover 14, one side of which is pivotally connected to the top of one of the long side panels 12 by a hinge, so that the box cover 14 can be turned over to cover the opening of the cavity and can be turned over to the outside of the long side panel to make the box body open. A self-locking device 2 is provided on the other side of the box cover 14, and the self-locking device 2 is fixed with the top of the other long side panel 12 to achieve a fixed connection between the box cover 14 and the long side panel 12, so as to replace the disposable strapping tape and strapping buckle, simplify the packaging procedure, and overcome the defects of sealing and buckle stability caused by the combination of the two covers of the old box body, which is convenient and easy to use. In some cases, a buckle can also be provided on the short side panel, or a buckle can be provided on both the short side panel and the long side panel. The edge of the box cover 14 is provided with a flange around the periphery to strengthen the strength of the box cover.

[0058] See also Figure 2-Figure 6The self-locking device 2 includes a locking mechanism 21 and a reset member 22. The locking mechanism 21 includes a guide block 211, a locking tongue 212 and an operating portion 213. The box cover 14 is provided with a guide groove 141 matched with the guide block 211. The guide groove 141 extends along the two sides of the relatively long side plates of the box cover 14. The guide block 211 is slidably restricted in the guide groove 141, and the guide block 211 can move in the guide groove 141 along the width direction of the box cover 14. Specifically, the guide block 211 of the locking mechanism 21 is provided with guide protrusions 2111 on both sides of the length direction of the box cover 14. The guide groove 141 is a guide groove extending in the width direction of the box cover. The guide protrusion 2111 is located in the guide groove so that it can slide along the guide groove and be limited in the length direction of the box cover. The operating portion 213 is used to drive the guide block 211 to move along the guide groove direction, realize the telescopic action of the lock tongue 212, and then make the lock tongue 212 cooperate with the lock groove on the long side plate to lock. In this embodiment, the guide block 211, the lock tongue 212 and the operating portion 213 are an integral structure, and the operating portion 213 is a groove portion arranged on the integral structure.

[0059] The reset member 22 acts on the guide block 211, and the reset member 22 generates a force on the guide block 211 in the direction of the other side of the box cover 14, that is, generates a force in the direction of the hinged connection side of the box cover. The reset member 22 in this embodiment is a spring, the box cover 14 is provided with a box cover limiter 142, and the lock mechanism 21 is provided with a lock limiter 214, and the two ends of the spring are respectively fixedly connected to the box cover limiter 142 and the lock limiter 214. Preferably, the box cover 14 is also provided with a box cover stopper 143, and the box cover stopper 143 is located on the travel path of the lock limiter 214 to generate a blocking effect on the lock limiter 214, thereby limiting the distance that the lock mechanism 21 extends away from the hinged side of the box cover.

[0060] See also Figure 1 , Figure 7-Figure 9A locking groove 121 is provided at the top of the long side plate 12 corresponding to the side of the box cover 14 provided with the self-locking device 2, and the locking groove 121 is fixed with the locking tongue 212 of the self-locking device 2 to achieve the locking between the self-locking device 2 and the long side plate 12. Specifically, the locking groove 121 has a locking groove 1211, and a side plate guide portion 1212 is provided at the top of the locking groove 1211. The lock tongue 212 has a stopper 2121 fixedly matched with the locking groove 1211 and a lock guide 2122 matched with the side plate guide 1212. The lock guide 2122 and the side plate guide 1212 cooperate with each other to guide the stopper 2121 of the lock tongue 212 into the locking groove 1211, and the side plate guide 1212 protrudes from the locking groove 1211 to limit the movement of the stopper 2121 in the height direction of the long side plate 12. At the same time, the force generated by the reset member 22 on the guide block 211 keeps the stopper 2121 in the fixed locking groove 1211. This time, the self-locking device 2 locks and fixes the box cover 14 and the long side plate 12. When unlocking is required, the lock tongue 212 is forced away from the hinged side of the box cover to overcome the force of the reset member 22 to make the stopper 2121 disengage from the locking groove 1211 to achieve unlocking.

[0061] See also Figure 10-12 The box cover 14 is also provided with a cavity area and a non-cavity area. The cavity area is a closed cavity structure, which can enhance the strength of the box cover 14. At least part of the cavity area surrounds at least part of the non-cavity area to form the reinforcement area. The cavity area can be formed by injection molding or welding. The side edge of the box cover where the lock is provided and the side edge of the box cover where the side plate is hingedly connected both have the cavity area.

[0062] Specific as Fig.12 As shown, the cavity area can be as follows Fig.12 In the structure shown, the cavity area includes a first cavity 1441, a second cavity 1442 and a third cavity 1443. The first cavity 1441 is extended along the length direction of the box cover, and is located at the side edge of the box cover 14 where the self-locking device 2 is provided, so as to strengthen the strength of the box cover on the lock side. The second cavity 1442 is also extended along the length direction of the box cover, and is located at the side edge of the box cover 14 where the hinge is provided, so as to strengthen the strength of the box cover on the hinge side. The third cavity 1443 is extended along the width direction of the box cover, and is located between the first cavity 1441 and the second cavity 1442. The number of the third cavity 1443 can be designed according to the length of the box cover to further strengthen the strength of the box cover.

[0063] The area surrounded by the two third cavities 1443, the first cavity 1441, and the second cavity 1442 is a reinforcement area 1444, which can prevent the box cover 14 from being deformed due to water accumulation and unable to drain the water in time. The two third cavities 1443, the first cavity 1441, and the second cavity 1442 can be an integral structure that is interconnected, or they can be independent cavity parts that are not interconnected. In addition, the cavity area is not limited to Fig.12 The structure in, for example, the third cavity 1443 can be arranged tilted, or the third cavity 1443 is arc-shaped, and the first cavity 1441 and the second cavity 1442 are the same.

[0064] In addition, in other embodiments, the cavity area may be other structures, such as an annular structure, in which case the middle area surrounded by the annular structure is a reinforcement area, and the annular structure is an integral chamber, that is, an integral structure that is connected in one piece, and of course, a plurality of independent cavity parts may be spliced ​​together to form an annular cavity area. It is understandable that the reinforcement area formed around the cavity area may have a plurality of shapes, such as a triangular shape or a runway shape, and in this case the cavity area may also be an integral structure that is connected in one piece, or a plurality of independent cavity parts that are not connected to each other.

[0065] See also Figure 13-Figure 15 , wherein the box cover 14 and the side plate on the corresponding side are provided with a matching bite structure, wherein the bite structure is divided into a first bite structure corresponding to the short side plate and a second bite structure corresponding to the long side plate. Fig.14 The first engaging structure of the box cover corresponding to the short side panel is a eave 145 extending longitudinally along the box cover 14. The eave 145 overlaps the upper end 131 of the short side panel and forms a cover. The eave 145 can limit the deformation and collapse of the box cover and limit the separation of the eave of the cover from the upper end of the side panel, thereby improving the supporting capacity of the box cover and the ability to resist deformation and depression after being subjected to force, thereby preventing the lock from failing due to deformation of the box cover.

[0066] See also Fig.15 , the engaging structure corresponding to one side of the long side plate is a first engaging surface 144 provided at the edge of the box cover, the first engaging surface 144 is formed by extending from the edge of the box cover 14 toward the base, and the upper end of the long side plate 12 is provided with a second engaging surface 122, the second engaging surface 122 is located at the upper end of the long side plate 12 and extends in the depth direction of the box body, and the upper end of the long side plate 12 is provided with a stop portion 123 that abuts against the bottom of the first engaging surface 144. When the box cover is closed, the first engaging surface 144 is located on the inner side of the second engaging surface 122, and the bottom of the first engaging surface 144 abuts against the stop portion 123, so that the first engaging surface 144 and the upper end of the long side plate 12 are engaged, and support is formed for the box cover on one side of the long side plate, which can improve the supporting capacity of the box cover and the ability to resist deformation and depression after being subjected to force, thereby preventing the lock from failing due to deformation of the box cover.

[0067] See also Fig.16 and Fig.17 The first engaging structure of the box cover corresponding to the short side plate is a first groove body 146 with a U-shaped cross section, and the upper end of the short side plate is provided with a second groove body 132 matched with the first groove body 146. The second groove body 132 is also a structure with a U-shaped cross section. When the box cover 14 is closed, the first groove body 146 and the second groove body 132 are engaged with each other, thereby improving the supporting capacity of the box cover and the ability to resist deformation and depression after being subjected to force, thereby preventing the lock from failing due to deformation of the box cover.

[0068] Similarly, the first engaging structure of the box cover corresponding to the long side plate is also a third groove body 147 with a U-shaped cross-section, and the upper end of the long side plate is provided with a fourth groove body 124 that is matched with the third groove body 147. The fourth groove body 124 is also a structure with a U-shaped cross-section. When the box cover 14 is closed, the third groove body 147 and the fourth groove body 124 are engaged with each other, thereby improving the supporting capacity of the box cover and the ability to resist deformation and depression after being subjected to force, thereby preventing the lock from failing due to deformation of the box cover.

[0069] See also Fig.18 and Fig.19 The box cover is provided with a limiting structure that cooperates with each other between the box cover and the side plate. When the box cover covers the opening of the container, the limiting part of the box cover is located inside the limiting part of the side plate, thereby realizing the bite between the box cover and the side plate. Through the bite of the circumference, the lid is supported and limited from multiple directions, thereby improving the supporting capacity of the box cover and the ability to resist deformation and depression after being subjected to force.

[0070] Specifically, see Fig.19 The box cover 14 has a first box cover stopper 148 extending from the edge corresponding to the short side plate 13, and the upper end surface of the short side plate 13 is provided with a short side plate stopper 133 matched with the first box cover stopper 148. The box cover 14 has a second box cover stopper 149 recessed on the edge corresponding to the long side plate 12, and the upper end surface of the long side plate 12 is provided with a long side plate stopper 125 extending into the box and matched with the second box cover stopper 149. When the box cover 14 covers the opening of the container, the first box cover stopper 148 is snapped into the short side plate stopper 133, and the long side plate stopper 125 is snapped into the second box cover stopper 149, so as to realize the bite connection between the box cover and the long side plate and the short side plate. In this embodiment, a T-shaped bite structure is used to realize bite connection between the first box cover limit portion 148, the short side plate limit portion 133, the long side plate limit portion 125, and the second box cover limit portion 149.

[0071] The preferred embodiments of the present invention have been described in detail above, but it should be understood that after reading the above teachings of the present invention, those skilled in the art may make various changes or modifications to the present invention. These equivalent forms also fall within the scope defined by the appended claims of this application.

Claims

1. A closable container, comprising a container body consisting of a base and a side plate, and a cover, wherein the cover is adapted to be installed at the opening of the container, characterized in that: It also includes a self-locking mechanism, which is arranged inside the box cover and includes: A locking mechanism, wherein the locking mechanism has at least one retractable locking tongue, wherein the locking tongue partially extends out of the edge of the box cover in an initial state and is used to cooperate with a locking groove arranged at the edge of the opening of the container body to lock; A drive assembly is connected to the locking mechanism and is used to drive the box cover to lock or unlock relative to the container opening.

2. The closable container according to claim 1, characterized in that The driving assembly comprises an operating part, and the box cover is used to realize a locking or unlocking operation relative to the container opening.

3. The closable container according to claim 2, characterized in that The operating part drives the locking tongue to extend and retract to cooperate with the locking groove at the edge of the opening of the container body to achieve locking and unlocking operations.

4. The closable container according to claim 1, wherein: The box cover is also provided with a box cover stopper, and the locking mechanism is provided with a locking limiter. The box cover stopper is arranged relative to the locking limiter to limit the displacement of the locking mechanism within a preset distance of the box cover.

5. The closable container according to claim 1, wherein: The driving assembly includes a reset member, which acts on the locking mechanism and generates a force on the locking mechanism to keep the locking tongue in an initial state.

6. The closable container according to claim 5, characterized in that The reset member is a spring, the box cover is provided with a box cover limiting portion, the lock mechanism is provided with a lock limiting portion, and two ends of the spring are respectively fixedly connected to the box cover limiting portion and the lock limiting portion.

7. The closable container according to claim 1, wherein: The locking mechanism includes a guide block, the box cover is provided with a guide groove, the guide block is located in the guide groove, and the locking mechanism realizes the telescopic action of the lock tongue by sliding the guide block in the guide groove.

8. The closable container according to claim 1, wherein: The locking groove comprises a locking groove and a container guide portion, the locking tongue comprises a stop portion and a lock guide portion, and the lock guide portion and the container guide portion cooperate with each other to guide the stop portion of the locking tongue into the locking groove for fixing.

9. The closable container according to claim 8, characterized in that The container guide portion protrudes from the locking groove, and the container guide portion can limit the movement of the stop portion in the height direction of the side plate.

10. The closable container according to claim 1, wherein: The edge of the box cover is provided with a surrounding flange.

11. The closable container according to claim 1, wherein: The eaves of the box cover are provided with a box cover engaging portion, and the box cover engaging portion is engaged with the upper end portion of the side plate on the corresponding side.

12. The closable container according to claim 11, wherein: The box cover engaging portion is a flange portion extending longitudinally along the main body of the box cover, and the flange portion overlaps the upper end of the corresponding side plate to form a cover.

13. The closable container according to claim 11, characterized in that The box cover bite portion is a first bite portion located at the edge of the box cover, and the side panel corresponding to the first bite surface is provided with a second bite portion, and the first bite portion cooperates with the second bite portion to realize the bite of the box cover and the side panel.

14. The closable container according to claim 13, wherein: The first engaging portion is a first engaging surface extending from the edge of the box cover toward the base, the second engaging portion is a second engaging surface extending upward from the upper end of the side panel, and a stop portion is arranged on the upper end of the side panel; when the box cover is closed, the first engaging surface is located on the inner side of the second engaging surface, and the bottom of the first engaging surface is abutted against the stop portion.

15. The closable container according to claim 1, wherein: The box cover is provided with a box cover limiting portion, and the side plate is provided with the side plate limiting portion matched with the box cover limiting portion. When the box cover covers the opening of the container, the box cover limiting portion is located in the side plate limiting portion.

16. The closable container according to claim 1, wherein: The box cover is also provided with a cavity area and a non-cavity area, wherein the cavity area is a closed cavity structure; at least part of the cavity area surrounds at least part of the non-cavity area to form a reinforcement area.

17. The closable container according to claim 16, wherein: The cavity area is an integral and connected structure.

18. The closable container according to claim 16, wherein: The cavity area includes: a plurality of independent cavity portions that are not interconnected; at least part of the independent cavity portions surround at least part of the non-cavity area to form the reinforcement area.

19. The closable container according to claim 16, wherein: The side edge of the box cover provided with the self-locking mechanism and the side edge of the box cover hingedly connected to the side plate both have the cavity area.

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