Connection structure of modules, storage box and storage box assembly

Abstract

The application provides a module connecting structure, which comprises a first connecting part on one surface of a module, a second connecting part on another surface of the module and a stop part; the first connecting part comprises a mounting part, a locking part movable relative to the mounting part and a first elastic member between the mounting part and the locking part, and the first elastic member automatically keeps the locking part in a locking state; the second connecting part comprises a matching part lockable with the locking part, and the locking part of one module can be automatically locked with the matching part of another module under the action of the first elastic member by pressing the locking part; when the stop part is located on the locking path of the locking part, the locking part cannot be automatically locked, and the first connecting part and the second connecting part are kept in an unlocked state. The module connecting structure provided by the application can realize the functions of automatic locking, keeping unlocking and automatic resetting, thereby facilitating the operation and use of users. The application also provides a storage box and a storage box assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of article storage, in particular to a connecting structure of modules, a storage box and a storage box assembly. BACKGROUND

[0002] The conventional storage boxes are placed separately, and even if they are stacked one by one, they can only be placed flat. However, for families and professional users who need to buy multiple boxes, if the interlocking function between two boxes is not set, multiple boxes placed several layers will be easily overturned, thereby causing safety hazards. Especially when multiple boxes need to be moved at the same time, due to the change of the overall center of gravity during dragging and the vibration caused by uneven road surface, the upper boxes are more likely to be overturned.

[0003] To avoid the above problems, the conventional solution is to additionally increase some accessories such as ropes to assist in fixing multiple boxes, thereby solving the problem. However, this solution not only increases the additional cost, but also the storage box must be untied before the items inside can be taken out, which brings many inconveniences to the actual use.

[0004] Therefore, it is necessary to provide a connecting structure of modules, a storage box and a storage box assembly to solve the problem. SUMMARY

[0005] The present application aims to provide a connecting structure of storage boxes, which can automatically lock, keep unlocked and automatically reset, thereby facilitating user operation and use.

[0006] The present application provides a connecting structure of modules, comprising a first connecting part on one surface of the module, a second connecting part on the other surface of the module and a stop part.

[0007] The first connecting part comprises a mounting part, a locking part movable relative to the mounting part and a first elastic member between the mounting part and the locking part, the first elastic member automatically keeps the locking part in a locked state;

[0008] The second connecting part comprises a matching part lockable with the locking part, and pressing the locking part of one module can automatically lock it with the matching part of another module under the action of the first elastic member.

[0009] When the stop part is located on the locking path of the locking part, the locking part cannot be automatically locked, and the first connecting part and the second connecting part are in an unlocked state.

[0010] Further, the stop portion is retractable, and is extended when the first connecting portion and the second connecting portion are in the state of keeping unlocked, and is compressed when the first connecting portion and the second connecting portion are in the state of locked.

[0011] Further, the stop portion is arranged on the locking portion and is movable with the locking portion, and is clamped with the locking portion on the locking path of the locking portion when the first connecting portion and the second connecting portion are in the state of keeping unlocked.

[0012] Further, the stop portion comprises a receiving groove arranged on the locking portion, a clamping block accommodated in the receiving groove, and a second elastic member arranged between the receiving groove and the clamping block, the clamping block is extended out of the receiving groove when the second elastic member is extended, and the clamping block is compressed in the receiving groove when the second elastic member is compressed.

[0013] Further, the stop portion is arranged on the second connecting portion and is kept static relative to the locking portion, and is clamped with the locking portion on the locking path of the locking portion when the first connecting portion and the second connecting portion are in the state of keeping unlocked.

[0014] Further, the locking portion comprises a locking buckle and a stop buckle, the locking buckle is arranged corresponding to the cooperating portion, and the stop buckle is arranged corresponding to the stop portion.

[0015] Further, the extension length of the stop buckle in the locking direction is greater than the extension length of the locking buckle in the locking direction.

[0016] Further, the stop portion is clamped with the stop buckle on the locking path of the locking portion when the first connecting portion and the second connecting portion are in the state of keeping unlocked, and the locking buckle is locked with the cooperating portion when the first connecting portion and the second connecting portion are in the state of locked, and the stop buckle is abutted with the stop portion on the non-locking path.

[0017] Further, the stop portion comprises a receiving groove arranged on the cooperating portion, a clamping block accommodated in the receiving groove, and a second elastic member arranged between the receiving groove and the clamping block, the clamping block is abutted with the stop buckle on the non-locking path when the second elastic member is compressed, and the clamping block is clamped with the stop buckle on the locking path of the locking portion when the second elastic member is extended.

[0018] Further, the stop portion further comprises a fixing groove and a fixing block connected with the clamping block, the second elastic member is compressed and the stop portion is not on the locking path of the locking portion when the fixing block is in the fixing groove.

[0019] Further, the locking part is a horizontally moving sliding lock, a turning moving turning lock or a rotating moving rotating lock.

[0020] The application further provides a storage box provided with the connecting structure of the module according to any one of the above, wherein the first connecting part is arranged on the cover of the storage box, and the second connecting part is arranged on the bottom of the box body of the storage box.

[0021] The application further provides a storage box assembly comprising a plurality of the storage boxes according to the above, wherein two adjacent storage boxes are locked with each other through the first connecting part and the second connecting part.

[0022] The connecting structure of the storage box provided by the application has the following advantages: the locking part can move relative to the mounting part, and the first elastic part can drive the locking part to automatically keep in the locked state; when two storage boxes are locked, the locking part of one storage box can be automatically locked with the cooperating part of the other storage box under the action of the first elastic part, so that the automatic locking function of the first connecting part and the second connecting part is realized; meanwhile, the locking path of the locking part is clamped by the stop part, so that the first connecting part and the second connecting part are kept in the unlocked state, and the user's hands are freed; and when the two storage boxes are unlocked and separated from each other, the locking part can be automatically reset under the driving of the first elastic part, so as to prepare for the next locking, simplify the operation steps during locking and facilitate the user. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a perspective view of a storage box in the first embodiment of the application.

[0024] Figure 2 FIG. 2 is a sectional view of the storage box in the first embodiment of the application. Figure 1

[0025] Figure 3 FIG. 3 is another perspective view of the storage box in the first embodiment of the application.

[0026] Figure 4 FIG. 4 is a partial exploded view of the storage box in the first embodiment of the application. Figure 3

[0027] Figure 5 FIG. 5 is a perspective view of one storage box in the first embodiment of the application. Figure 4

[0028] Figure 6 FIG. 6 is another perspective view of one storage box in the first embodiment of the application. Figure 4

[0029] Figure 7 FIG. 7 is an exploded view of part of the storage box in the first embodiment of the application. Figure 6 FIG. 8 is a sectional view of the storage box in the second embodiment of the application.​​​​

[0030] Figure 8 This is a three-dimensional structural diagram of the storage box in the second embodiment of the present invention.

[0031] Figure 9 for Figure 8 A schematic diagram of a localized explosion structure.

[0032] Figure 10 for Figure 8 A schematic diagram of the relationship between the stopping part and the locking part.

[0033] Figure 11 for Figure 10 A schematic diagram of the structure of the first connecting part.

[0034] Figure 12 for Figure 11 A schematic diagram of the explosion structure.

[0035] Figure 13 for Figure 10 A schematic diagram of the stop mechanism.

[0036] Figure 14 for Figure 13 A schematic diagram of the explosion structure. Detailed Implementation

[0037] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

[0038] The terms “first,” “second,” “third,” “fourth,” etc. (if present) in the specification and claims of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0039] The directional terms such as "up," "down," "left," "right," "front," "back," "top," and "bottom" (if present) used in the specification and claims of this invention are defined by the position of the structures in the drawings and the relative positions of the structures, and are only for the clarity and convenience of expressing the technical solution. It should be understood that the use of directional terms should not limit the scope of protection claimed in this application.

[0040] This invention provides a modular connection structure, a storage box with the connection structure, and a storage box assembly. The connection structure can be installed on the storage box, and adjacent storage boxes can be locked together via the connection structure, thereby facilitating the transportation of multiple storage boxes. The storage box can be a toolbox, tool basket, transport box, transfer box, or other storage device.

[0041] First Embodiment

[0042] like Figures 1 to 7As shown, the embodiment provides a connecting structure of a module, which can be arranged on a storage box. The connecting structure comprises a first connecting part 1, a second connecting part 2 and a stop part 3, the first connecting part 1 and the second connecting part 2 can be automatically locked with each other; the stop part 3 can make the first connecting part 1 and the second connecting part 2 unable to be automatically locked after being unlocked, so that the first connecting part 1 and the second connecting part 2 are kept in an unlocked state, facilitating the first connecting part 1 and the second connecting part 2 to be unlocked and separated from each other, freeing the user's hands and facilitating the user to use.

[0043] Further, as shown in Figure 6 and Figure 7 In the embodiment, the first connecting part 1 is arranged on the cover of the storage box, which comprises a mounting part 11, a locking part 12 movable relative to the mounting part 11 and a first elastic member 13 between the mounting part 11 and the locking part 12, the locking part 12 can be automatically kept in a locked state under the action of the first elastic member 13. In addition, in order to facilitate positioning when the first connecting part 1 and the second connecting part 2 are interlocked, a positioning groove 41 can be arranged on the cover, the positioning groove 41 can exactly accommodate the bottom of the box body, and the first connecting part 1 can be arranged at the edge of the positioning groove 41. In other embodiments, the positioning groove 41 can be used for positioning when the upper and lower storage boxes are stacked.

[0044] Further, as shown in Figure 7 In the embodiment, the mounting part 11 is fixedly connected with the cover. The mounting part 11 comprises a mounting groove 111 arranged on the cover and a mounting body 112 arranged in the mounting groove 111, and the mounting body 112 can be fixed in the mounting groove 111 by bolts. In other embodiments, the mounting body 112 can be integrally formed with the mounting groove 111, or fixedly connected by clamping or other means.

[0045] Further, as shown in Figure 7As shown in the figure, in the embodiment, the locking part 12 can be accommodated in the mounting body 112, and can move relative to the mounting body 112. The locking part 12 is a sliding lock that moves horizontally relative to the mounting part 11, so that the locking part 12 moves horizontally in the mounting groove 111. In other embodiments, the locking part 12 can also be a flipping lock that moves relative to the mounting part 11, or a rotating lock that rotates relative to the mounting part 11. The locking part 12 comprises a locking body 121 that can be accommodated in the mounting body 112, and a locking buckle 122 located on the side of the locking body 121 close to the center of the storage box; when the locking buckle 122 extends out of the mounting part 11 (i.e. the locking buckle 122 extends into the positioning groove 41), the first connecting part 1 and the second connecting part 2 can be locked with each other, and when the locking buckle 122 does not extend out of the mounting part 11 (i.e. the locking buckle 122 does not extend into the positioning groove 41), the first connecting part 1 and the second connecting part 2 can be unlocked with each other. At the same time, in order to facilitate the locking between the locking buckle 122 and the second connecting part 2, the locking buckle 122 is provided with an inclined surface 122a.

[0046] Further, as shown in the figure, Figure 7 In the embodiment, the first elastic member 13 is located between the locking body 121 and the mounting body 112, so that the locking part 12 is automatically kept in the locked state under the action of the first elastic member 13. At the same time, in order to improve the reliability of the movement of the locking part 12, two first elastic members 13 can be provided, respectively located at both ends of the locking body 121. The first elastic member 13 is a compression spring, so that the locking part 12 moves horizontally; in other embodiments, the first elastic member 13 can also be a torsion spring, so that the locking part 12 moves by flipping.

[0047] Further, as shown in the figure, Figure 5 In the embodiment, the second connecting part 2 is provided on the bottom of the box body of the storage box, and comprises a matching part 21 that can be locked with the locking part 12 and a recessed part 22 that can be clamped with the stop part 3, and pressing the locking part 12 of one storage box can make it automatically locked with the matching part 21 of another storage box under the action of the first elastic member 13. In addition, in order to facilitate the mutual locking of the matching part 21 and the locking buckle 122, a protruding part 42 (here, the protruding part 42 is the bottom of the box body) can be provided on the bottom of the box body, and the protruding part 42 can be exactly accommodated in the positioning groove 41. When the first connecting part 1 and the second connecting part 2 are in the locked state, the locking buckle 122 interferes with the matching part 21; when the first connecting part 1 and the second connecting part 2 are in the unlocked state, the locking buckle 122 does not interfere with the matching part 21, and the stop part 3 is clamped with the recessed part 22. In other embodiments, when the first connecting part 1 and the second connecting part 2 are in the unlocked state, the stop part 3 can be directly clamped with the matching part 21. In addition, the matching part 21 is a plurality of clamping grooves 211, and the number of the clamping grooves 211 can correspond to the number of the locking buckles 122.

[0048] Further, as shown in Figure 6 and Figure 7 In this embodiment, the stop portion 3 is arranged on the locking portion 12 and can move horizontally with the locking portion 12. When the locking portion 12 is in the unlocking state, the stop portion 3 can be clamped with the second connecting portion 2 on the locking path of the locking portion 12, and the locking portion 12 cannot be automatically locked, so that the first connecting portion 1 and the second connecting portion 2 are in the holding unlocking state. The stop portion 3 comprises a containing groove 31 arranged on the locking portion 12, a clamping block 32 accommodated in the containing groove 31, and a second elastic member 33 between the containing groove 31 and the clamping block 32, and the clamping block 32 can be extended and retracted relative to the containing groove 31 under the action of the second elastic member 33. Specifically, as shown in Figure 3 when the first connecting portion 1 and the second connecting portion 2 are in the holding unlocking state, the second elastic member 33 is stretched, and the clamping block 32 is extended out of the containing groove 31; as shown in Figure 1 and Figure 2 when the first connecting portion 1 and the second connecting portion 2 are in the locking state, the second elastic member 33 is compressed, and the clamping block 32 is compressed in the containing groove 31 under the extrusion of the second connecting portion 2.

[0049] The working principle of this embodiment is as follows:

[0050] When it is needed to lock the two storage boxes up and down, the upper storage box is pressed down to contact the locking buckle 122 on the lower storage box, and the locking buckle 122 on the lower storage box is extruded to drive the locking portion 12 to move towards the unlocking direction (i.e. away from the center of the storage box), and the first elastic member 13 is compressed at this time. When the upper storage box moves down by a certain distance, the locking buckle 122 on the locking portion 12 corresponds to the clamping groove 211 on the cooperating portion 21, the locking buckle 122 loses the resistance of the upper storage box, and the locking buckle 122 is automatically clamped into the clamping groove 211 under the drive of the first elastic member 13, so that the first connecting portion 1 and the second connecting portion 2 are in the locking state, that is, the automatic locking function of the upper and lower storage boxes is realized. At this time, the stop portion 3 is compressed in the containing groove 31 under the extrusion of the second connecting portion 2.

[0051] When the two storage boxes need to be unlocked, the locking part 12 of the lower storage box is pulled outward to move it towards the unlocking direction. When the locking part 12 moves a certain distance towards the unlocking direction, the locking buckle 122 of the lower storage box is disengaged from the clamping groove 211 of the upper storage box, so that the locking part 12 is unlocked with the matching part 21. At the same time, the locking part 12 is continuously pulled towards the unlocking direction until the stop part 3 loses the extrusion of the upper storage box, and the clamping block 31 automatically extends upwards into the accommodating groove 31 and is clamped with the recessed part 22 under the action of the second elastic member 32, so that the first connecting part 1 and the second connecting part 2 are in a state of keeping unlocked, that is, the keeping unlocking function is realized. At this time, the upper and lower storage boxes can be conveniently unlocked and separated by pulling up the upper storage box. At the same time, if the user wants to re-lock at this time, the clamping block 31 is only needed to be pressed downwards to retract into the accommodating groove 31. When the upper and lower storage boxes are separated, the clamping block 31 is kept in an extended state under the action of the second elastic member 32, and the locking part 12 is automatically reset to the locked state under the drive of the first elastic member 13, ready for the next locking.

[0052] The connection structure of the storage box provided by the embodiment has the following advantages:

[0053] 1. The connection structure of the storage box has automatic locking function, keeping unlocking function and automatic reset function: since the locking part 12 can move horizontally relative to the mounting part 11, and the first elastic member 13 can drive the locking part 12 to automatically keep in the locked state. When the two storage boxes are locked, the locking part 12 of one storage box can be automatically locked with the matching part 21 of the other storage box under the action of the first elastic member 13, so as to realize the automatic locking function of the first connecting part 1 and the second connecting part 2. At the same time, by arranging the stop part 3 and cooperating the stop part 3 with the second connecting part 2, the first connecting part 1 and the second connecting part 2 can keep in the unlocked state when unlocked without manually keeping the locking part 12 in the unlocked state, so as to free the user's hands. At the same time, after the two storage boxes are unlocked and separated, the locking part 12 can be automatically reset under the drive of the first elastic member 13, ready for the next locking, which simplifies the operation steps when locking and unlocking (the conventional locking and unlocking needs at least four steps, while the embodiment only needs two steps), and is convenient for the user to use.

[0054] 2. The keeping unlocking function is realized by the cooperation of the stop part 3 and the second connecting part 2. When the user wants to re-lock (the user mistakenly unlocks), the clamping block 31 is only needed to be pressed downwards, without the need to separate the first connecting part 1 and the second connecting part 2 for re-locking, and without damaging the reliability of the structure.

[0055] Second embodiment

[0056] As Figures 8 to 14As shown, the difference between this embodiment and the first embodiment is that the locking part 12 is a flip lock, and the stop part 3 is disposed on the second connecting part 2 and remains stationary relative to the locking part 12. When the first connecting part 1 and the second connecting part 2 are in the unlocked state, the stop part 3 and the locking part 12 are engaged on the locking path of the locking part 12.

[0057] Specifically, the locking part 12 includes a locking buckle 122 and a stop buckle 123. The locking buckle 122 can cooperate with the mating part 21 to lock, and the stop buckle 123 is correspondingly provided with the stop part 3. The stop buckle 123 can engage with the stop part 3 on the locking path of the locking part 12, thereby keeping the first connecting part 1 and the second connecting part 2 in an unlocked state. The extension length of the locking buckle 122 in the locking direction is less than the extension length of the stop buckle 123 in the locking direction, so that the angle of rotation required to release the stop buckle 123 and the stop part 3 on the locking path is the maximum. When the second elastic member 33 is compressed, the locking buckle 122 and the mating part 21 are locked together, and the locking block 32 and the stop buckle 123 abut against each other in the vertical direction, and the first connecting part 1 and the second connecting part 2 are in a locked state. When the second elastic member 33 is extended, the locking block 32 extends out of the receiving groove 31 and engages with the stop buckle 123 on the locking path, and the first connecting part 1 and the second connecting part 2 are in an unlocked state. In other embodiments, the locking block 32 and the stop buckle 123 may also abut on other non-locking paths, such as the locking block 32 and the stop buckle 123 abutting in the left and right direction. The stop buckle 123 only needs to hold the locking block 32 against the non-locking path to be within the scope of protection of this invention.

[0058] Furthermore, such as Figure 9 and Figure 13 As shown, in this embodiment, the stop part 3 further includes a fixing groove 34 formed on the second connecting part 2 and a fixing block 35 located at the end of the locking block 32 away from the second elastic member 33. The fixing block 35 can slide into the fixing groove 34. When the fixing block 35 is located in the fixing groove 34, the second elastic member 33 is compressed, so that the stop part 3 is always fixed above the stop buckle 123. This arrangement allows the unlocking function to be selectively opened and closed, which is convenient for users. In other embodiments, the fixing groove 34 can also be formed on the first connecting part 1, as long as the stop part 3 cannot be located on the locking path of the locking part 12 (i.e., the stop part 3 cannot contact the stop buckle 123), it is within the scope of protection of this invention.

[0059] The working principle of this embodiment is as follows:

[0060] When the two storage boxes need to be locked, the upper storage box is pressed down to make the locking buckle 122 on the upper storage box contact with the lower storage box, and the locking buckle 122 on the lower storage box is pressed to drive the locking part 12 to move towards the unlocking direction (i.e. away from the center of the storage box), at this time the first elastic member 13 is compressed to store energy. When the upper storage box moves down by a certain distance, the locking buckle 122 on the locking part 12 corresponds to the clamping groove 211 on the matching part 21, the locking buckle 122 loses the resistance of the upper storage box, and the locking buckle 122 is automatically clamped into the clamping groove 211 under the drive of the first elastic member 13, so that the first connecting part 1 and the second connecting part 2 are in a locked state, that is, the automatic locking function of the upper and lower storage boxes is realized. It should be noted that in this process, the clamping block 32 is pressed and compressed by the stop buckle 123, the second spring 33 is compressed to store energy, and the stop buckle 123 always bears upward resistance with the clamping block 32.

[0061] When the two storage boxes need to be unlocked, the locking part 12 of the lower storage box is pulled outward to move towards the unlocking direction, and when the locking part 12 moves outward by a certain distance, the locking buckle 122 of the lower storage box is disengaged from the clamping groove 211 of the upper storage box, so that the locking part 12 and the matching part 21 are unlocked. At the same time, continue to pull the locking part 12 outward until the stop part 3 loses the resistance of the stop buckle 123 of the lower storage box, and the clamping block 31 automatically extends into the containing groove 31 under the action of the second elastic member 32 and is clamped with the stop buckle 123 on the locking path of the locking part 12, so that the first connecting part 1 and the second connecting part 2 are in an unlocked state, that is, the unlocking function is realized. At this time, only the upper storage box needs to be pulled up to conveniently unlock and separate the upper and lower storage boxes. At the same time, if the user wants to lock again at this time, only the clamping block 31 needs to be pulled up to make the clamping block 31 bear upward resistance with the stop buckle 123 again. When the upper and lower storage boxes are separated, the clamping block 31 is kept in an extended state under the action of the second elastic member 32, and the locking part 12 is automatically reset to the locked state under the drive of the first elastic member 13, so as to prepare for the next locking.

[0062] The connecting structure of the storage box provided by the embodiment also has the functions of automatic locking, keeping unlocking and automatic resetting, and other structures and functions of the embodiment are the same as or similar to those of the first embodiment, which will not be described here.

[0063] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A connection structure of modules, characterized by comprising: The module comprises a first connecting part on one surface of the module, a second connecting part on another surface of the module, and a stop part; The first connecting part comprises a mounting part, a locking part movable relative to the mounting part, and a first elastic member between the mounting part and the locking part, the first elastic member automatically keeps the locking part in a locked state; The second connecting part comprises a matching part lockable with the locking part, and pressing the locking part of one module can automatically lock the matching part of another module under the action of the first elastic member; The stop part is arranged on the second connecting part; when the stop part is located on the locking path of the locking part and clamped with the locking part, the locking part cannot be automatically locked, and the first connecting part and the second connecting part are in a state of keeping unlocked; The stop part is retractable; when the first connecting part and the second connecting part are in a state of keeping unlocked, the stop part is stretched; when the first connecting part and the second connecting part are in a locked state, the stop part is compressed.

2. The module connection structure according to claim 1, wherein The locking part comprises a locking buckle and a stop buckle, the locking buckle is arranged corresponding to the matching part, and the stop buckle is arranged corresponding to the stop part.

3. The module connection structure according to claim 2, wherein The extension length of the stop buckle in the locking direction is greater than the extension length of the locking buckle in the locking direction.

4. The module connection structure according to claim 2, wherein When the first connecting part and the second connecting part are in a state of keeping unlocked, the stop part clamps with the stop buckle on the locking path of the locking part; when the first connecting part and the second connecting part are in a locked state, the locking buckle and the matching part are locked with each other, and the stop buckle is in abutment with the stop part on a non-locking path.

5. The module connection structure according to claim 4, wherein The stop part comprises a containing groove arranged on the matching part, a clamping block accommodated in the containing groove, and a second elastic member between the containing groove and the clamping block; when the second elastic member is compressed, the clamping block abuts with the stop buckle on a non-locking path, and when the second elastic member is stretched, the clamping block clamps with the stop buckle on the locking path of the locking part.

6. The module connection structure according to claim 5, wherein The stop part further comprises a fixing groove and a fixing block connected with the clamping block; when the fixing block is located in the fixing groove, the second elastic member is compressed, and the stop part is not located on the locking path of the locking part.

7. The module connection structure according to Claim 1, wherein The locking part is a horizontally movable sliding lock buckle or a flip lock buckle.

8. A storage box characterized by, The storage box is provided with the connecting structure of the module as claimed in any one of claims 1-7, the first connecting part is arranged on the box cover of the storage box, and the second connecting part is arranged on the bottom of the box body of the storage box.

9. A storage bin assembly characterized by, The storage box comprises a plurality of storage boxes as claimed in claim 8, and adjacent two storage boxes are lockable with each other through the first connecting part and the second connecting part.

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