Bottom self-locking packaging box

Abstract

The bottom self-locking packaging box comprises side plates, a top sealing plate and a bottom sealing plate, and the bottom sealing plate comprises bottom bearing partition plates and fixed locking plates which are arranged in pairs; the bearing bottom partition plate comprises a bearing bottom sealing plate and a partition plate which are of an integrated structure, a square inserting hole is formed in the root of the partition plate, and partition gaps are formed in the edge of the partition plate; the fixed locking plate comprises a tiled plate and a vertical plate, the tiled plate and the vertical plate are of an integrated structure, the fixed locking plate is provided with a coherent but non-penetrable avoiding gap, and after the partition plate is bent and vertically arranged on the box body, the avoiding gap is opposite to the partition gap in position. A self-locking structure at the bottom of the packaging box and the steps of packaging and assembling the bottom can be simplified, and the assembling efficiency is improved on the premise that the containing supporting strength is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the packaging box technical field, specifically, a bottom self-locking packaging box. BACKGROUND

[0002] The current packaging paper box is mainly used for protecting different objects.

[0003] In the existing packaging paper box, most of them are paper box boards without locking function, which are packaged and fixed by external wrapping adhesive tape.

[0004] Even if the paper box locking structure is gradually improved, the existing bottom locking structure is relatively complex, and the self-locking assembly operation is complicated, the packaging efficiency is low, and the bottom self-locking strength cannot meet the demand.

[0005] At the same time, when different objects need to be placed in different compartments, additional separation structures need to be placed in the packaging box, which undoubtedly increases the weight of the packaging box and further increases the safety risk of damage and leakage. INVENTION CONTENTS

[0006] The purpose of the present application is to provide a bottom self-locking packaging box, which can simplify the self-locking structure of the bottom of the packaging box and the step of bottom packaging assembly, and improve the assembly efficiency under the premise of meeting the supporting strength.

[0007] In order to achieve the above purpose, the utility model provides a bottom self-locking packaging box, which comprises a side plate, a top sealing plate and a bottom sealing plate, the bottom sealing plate comprises a pair of bottom supporting partition plates and a fixed locking plate;

[0008] The bottom supporting partition plate comprises a bottom sealing plate and a partition plate in an integral structure, the root of the partition plate is provided with a plug-in square hole, and the edge of the partition plate is provided with a partition gap;

[0009] The fixed locking plate comprises a flat plate and a vertical plate in an integral structure, and a continuous but not penetrating avoidance gap is arranged on the fixed locking plate, the partition plate is arranged vertically behind the box body after being bent, and the position of the avoidance gap is opposite to that of the partition gap.

[0010] In an optional embodiment, the root of the vertical plate is provided with a locking square hole, and the side of the locking square hole is connected with a foldable lock tongue.

[0011] In an optional embodiment, one end of the avoidance gap starts from the root of the flat plate, the other end extends in a straight line after passing through the locking square hole, and forms a closed end on the vertical plate.

[0012] In an optional embodiment, the center of the locking square hole coincides with the center of the avoidance gap.

[0013] In an optional embodiment, the shape of the locking square hole is the same as the shape of the insertion square hole.

[0014] In an optional embodiment, the width of the avoiding gap is not less than twice the thickness of the partition plate.

[0015] In an optional embodiment, the length of the grid gap is the same as the length of the unslit part of the vertical plate.

[0016] In an optional embodiment, the insertion square hole includes two provided on the partition plate, and the grid gap includes two, and the opposite sides of the two insertion square holes are respectively opposite to the positions of the grid gap.

[0017] In an optional embodiment, the root of the bottom sealing plate is integrally connected with the side plate, and the connection part is provided with an inward folding mark, and the partition plate is provided with an inward folding mark between the bottom sealing plate.

[0018] In an optional embodiment, the root of the bottom sealing plate is integrally connected with the side plate, and the connection part is provided with an inward folding mark, and the partition plate is provided with an inward folding mark between the bottom sealing plate.

[0019] By providing the side plate and the necessary top sealing plate and bottom sealing plate, the overall outer package structure of the packaging box can be formed.

[0020] Combined with the bottom sealing plate including the bottom grid plate and the fixed locking plate provided in pairs, the space grid in the packaging box can be realized, and the bottom grid plate is locked to realize the bottom self-locking function.

[0021] Through the specific structure of the bottom grid plate and the fixed locking plate, the two can be folded to form a structure cross that is nested and restricted with each other in the box body, which ensures the bottom supporting performance of the packaging box, and can greatly improve the assembly efficiency of mutual cooperation.

[0022] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0024] Figure 1Figure 1 is a schematic diagram of the overall structure of the bottom self-locking packaging box of the present application;

[0025] Figure 2 Figure 2 is a schematic diagram of the connection structure of the bottom supporting grid plate and the side plate in the bottom of the box of the present application;

[0026] Figure 3 Figure 3 is a schematic diagram of the connection structure of the fixed locking plate and the side plate in the bottom of the box of the present application;

[0027] Figure 4 Figure 4 is a schematic diagram of the structure of the bottom supporting grid plate and the fixed locking plate in the bottom of the box of the present application;

[0028] Figure 5 Figure 5 is a schematic diagram of the top view structure of the bottom supporting grid plate and the fixed locking plate after being assembled and bent.

[0029] Figure 1 is a schematic diagram of the overall structure of the bottom self-locking packaging box of the present application;

[0030] 1-side plate;

[0031] 2-top sealing plate;

[0032] 3-bottom supporting grid plate; 31-bottom sealing plate; 32-separating plate; 33-insertion square hole; 34-grid gap;

[0033] 4-fixed locking plate; 41-flat plate; 42-vertical plate; 43-avoidance gap; 44-locking square hole; 45-locking tongue;

[0034] 5-inward bending mark. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0036] In the description of the present application, it should be noted that the directions or position relationships indicated by the terms “inward”, “outward” and the like are based on the directions or position relationships shown in the drawings, or the directions or position relationships commonly placed when the products of the present application are used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated devices or elements must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the present application. In addition, the terms “first”, “second” and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present application, it is also necessary to explain that, unless otherwise explicitly specified and limited, the terms "set", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] The bottom self-locking packaging box in the present application mainly realizes the compartment effect in the packaging box by setting the necessary structure, and realizes the self-locking function of the box bottom through the mutual embedding restriction of the two different box plates at the bottom, and improves the supporting effect of the bottom.

[0039] Referring to Figure 1 , and combining Figures 2-5 , the bottom self-locking packaging box in the present application, the main structure includes side plate 1, top sealing plate 2 and bottom sealing plate, three different box plates constitute the surrounding space of the packaging box, and form the protection main body of the packaging box.

[0040] Among them, in order to highlight the bottom self-locking function in the present application, the bottom sealing plate includes a pair of bottom supporting compartment plates 3 and a fixed locking plate 4 respectively.

[0041] The bottom supporting compartment plates 3 are arranged on both sides of the length direction of the packaging box, and the fixed locking plates 4 are arranged on both sides of the width direction of the packaging box, and the bottom supporting compartment plates 3 and the fixed locking plates 4 can be folded towards each other, forming a mutual embedding structure.

[0042] In the assembly process, first, the fixed locking plate 4 is respectively folded towards each other and towards the box body direction and extends into the box body, so that the fixed locking plate 4 is attached to the inner wall of the side plate 1, avoiding the obstacle caused by the bending butt joint of the bottom supporting compartment plate 3 to the box body;

[0043] Then, the bottom supporting compartment plate 3 is respectively folded towards each other, so that part of the structure of the bottom supporting compartment plate 3 closes the bottom of the box body, and the other part of the structure vertically extends into the box body and is attached to each other to provide a structural basis for subsequent compartment;

[0044] Finally, the fixed locking plate 4 is folded from top to bottom inside the box body, so that the fixed locking plate 4 and the bottom supporting compartment plate 3 are embedded and butt jointed, further turning the locking structure, and forming the self-locking structure of the bottom of the packaging box.

[0045] The bottom supporting and dividing plate 3 comprises a bottom supporting and sealing plate 31 and a dividing plate 32, and the bottom supporting and dividing plate 3 is respectively bent towards each other, the bottom supporting and sealing plate 31 is exposed at the bottom of the packaging box, and the dividing plate 32 is vertically bent relative to the bottom supporting and sealing plate 31 and arranged in the box body in a vertical manner, preferably, the height of the dividing plate 32 is the same as the height of the side plate 1, the top of the dividing plate 32 is flush with the top of the side plate 1, and the dividing plate 32 forms complete division for the space of the box body.

[0046] The root of the dividing plate 32 is provided with a plug-in square hole 33, the edge of the dividing plate 32 is provided with a division gap 34, the fixed locking plate 4 comprises a flat plate 41 and a vertical plate 42 in an integrated structure, and the fixed locking plate 4 is provided with a continuous but non-penetrating avoiding gap 43.

[0047] The plug-in square hole 33 can be inserted by fingers on one hand, which is beneficial to the bending operation of the bottom supporting and dividing plate 3, and on the other hand, the plug-in square hole 33 can form a lock hole for the folding of the above-mentioned locking structure after the bottom supporting and dividing plate 3 is bent in place, so that the locking structure can be folded into the plug-in square hole 33 from the root of the fixed locking plate 4, more specifically from the root of the vertical plate 42 after being bent in place, so that the folded locking structure limits the upward and downward folding trend of the dividing plate 32, thereby forming a self-locking effect.

[0048] In order to form the division in the space of the box body, on the basis that the bottom supporting and dividing plate 3 is bent in place and the dividing plate 32 is bent and arranged in the box body in a vertical manner, when the fixed locking plate 4 is bent from top to bottom, the position of the avoiding gap 43 is opposite to and vertically intersects with the position of the division gap 34.

[0049] After the dividing plate 32 is bent and arranged in the box body in a vertical manner, the position of the avoiding gap 43 on the fixed locking plate 4 after being bent is opposite to the position of the division gap 34, and the un-slitted plate surface of the fixed locking plate 4 at the position opposite to the avoiding gap 43 is clamped above the division gap 34, so as to ensure the fixed and effective division state.

[0050] In order to realize the self-locking effect mentioned above, the root of the vertical plate 42 is provided with a locking square hole 44, the side of the locking square hole 44 is connected with a foldable lock tongue 45, and the lock tongue 45 constitutes the above-mentioned locking structure. The main purpose of the locking square hole 44 is to constitute the foldable lock tongue 45, and to provide a certain folding movement for the lock tongue 45. In the initial state, the extension direction of the lock tongue 45 coincides with the extension direction of the vertical plate 42.

[0051] One end of the avoiding gap 43 starts from the root of the flat plate 41, the other end extends along a straight line after passing through the locking square hole 44 and constitutes a closed end on the vertical plate 42, and the closed end of the avoiding gap 43 to the edge of the vertical plate 42 constitutes the length of the un-slitted plate surface of the fixed locking plate 4.

[0052] It should be noted that in the process of bending the fixed locking plate 4 downward, the locking tongue 45 needs to be folded to the side to provide a continuous avoiding gap 43 passing through the empty space during the vertical interlocking intersection process of the avoiding gap 43 and the partition gap 34.

[0053] Further, it should be noted that the folding direction of the locking tongue 45 is controlled so that the locking tongue 45 is folded towards the side of the position of the inserted hole 33 after bending, so that the locking tongue 45 can be reversely folded into the space of the inserted hole 33, thereby realizing locking and clamping of the inserted hole 33 in the up-down direction.

[0054] In order to enable the folded locking tongue 45 to avoid the avoiding gap 43, while meeting the connection of the root of the locking tongue 45, the center of the locking hole 44 coincides with the center of the avoiding gap 43, which can enable the locking tongue 45 to meet the requirement of continuous state of the avoiding gap 43 under the premise of small folding amount, and does not affect the subsequent locking folding operation.

[0055] The shape of the locking hole 44 is the same as that of the inserted hole 33, and further, the locking tongue 45 is correspondingly structured when the locking hole 44 is opened, so that the locking tongue 45 in the lateral folding state can be returned to the folding state in an inclined state, and after passing through the inserted hole 33, the extension direction of the locking tongue 45 is returned to a state approximately coinciding with the extension direction of the vertical plate 42, thereby realizing clamping of the inserted hole 33, and further realizing self-locking of the box bottom.

[0056] The width of the avoiding gap 43 is not less than twice the thickness of the partition plate 32, and preferably, the width of the avoiding gap 43 is the same as twice the thickness of the partition plate 32, so that the two oppositely folded and attached partition plates 32 are jointly clamped in the avoiding gap 43.

[0057] Further, the length of the partition gap 34 is the same as the length of the uncut part of the vertical plate 42, which can form a vertical intersection of the uncut part and the partition gap 34, ensure the stable and reliable interlocking of the two, and can be flush with the height of the box after the partition plate 32 and the vertical plate 42 intersect, forming an effective and equally deep partition space.

[0058] The inserted hole 33 includes two provided on the partition plate 32, and the partition gap 34 includes two, and the opposite sides of the two inserted holes 33 are respectively opposite to the positions of the partition gap 34.

[0059] Through this arrangement, after the bottom partition plate 3 and the fixed locking plate 4 are bent in place, the inserted hole 33 is left on the two-way outside of the middle partition area, thereby facilitating the reset and folding of the locking tongue 45 on the two-way outside.

[0060] Through the above setting form, two bottom supporting and dividing plates 3 can be conveniently folded in place first, then the fixed locking plate 4 which is pre-bent into the side of the box and keeps the locking tongue 45 in a state of folding outward along the length direction of the box is bent downward, and after being embedded in place through the mutual embedding between the dividing gap 34 and the avoiding gap 43, the locking tongue 45 is reset and folded, finally realizing the self-locking assembly of the packaging box, achieving the purpose of simplifying the assembly steps and improving the packaging efficiency.

[0061] It should be noted that in addition to the above operation steps, the steps can also be reversed to ensure the above folding process of the locking tongue 45, which will not be described here.

[0062] The root of the bottom sealing plate 31 is integrally connected with the side plate 1, and the connection position is provided with an inward folding mark 5, and the partition plate 32 and the bottom sealing plate 31 are provided with an inward folding mark 5.

[0063] Further, the root of the flat plate 41 is integrally connected with the side plate 1, and the connection position is provided with an inward folding mark 5, and the vertical plate 42 and the flat plate 41 are provided with an inward folding mark 5.

[0064] The partition plate 32 can extend into the packaging box along with the opposite folding of the bottom sealing plate 31, and the vertical plate 42 can extend into the packaging box along with the opposite folding of the flat plate 41, so that the assembly of the packaging box can be conveniently carried out, the bottom of the packaging box is effectively guaranteed to be self-locked, the precise folding positioning is realized under the premise of meeting the supporting strength of the packaging box, and the uniform division of the internal space of the box is guaranteed.

[0065] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0066] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A bottom self-locking packaging box, characterized by, The side plate, the top sealing plate, and the bottom sealing plate, the bottom sealing plate including a pair of bottom supporting panel and a fixed locking plate; The bottom supporting panel includes a bottom sealing plate and a partition plate, the root of the partition plate is provided with a plug-in square hole, and the edge of the partition plate is provided with a panel gap; The fixed locking plate includes a flat plate and a vertical plate, and a continuous but not penetrating avoidance gap is arranged on the fixed locking plate, the partition plate is arranged vertically behind the box, and the avoidance gap is opposite to the panel gap.

2. The bottom self-locking packaging box according to claim 1, characterized in that, The root of the vertical plate is provided with a locking square hole, and the side of the locking square hole is connected with a foldable lock tongue.

3. The bottom self-locking packaging box according to claim 2, characterized in that, One end of the avoidance gap starts from the root of the flat plate, and the other end extends along a straight line after passing through the locking square hole and forms a closed end on the vertical plate.

4. The bottom self-locking packaging box according to claim 2, characterized in that, The center of the locking square hole coincides with the center of the avoidance gap.

5. The bottom self-locking packaging box according to claim 2, characterized in that, The shape of the locking square hole is the same as that of the plug-in square hole.

6. The bottom self-locking packaging box according to claim 1, characterized in that: The width of the avoidance gap is not less than twice the thickness of the partition plate.

7. The bottom self-locking packaging box according to claim 1, characterized in that: The length of the panel gap is the same as the length of the uncut part of the vertical plate.

8. The bottom self-locking packaging box according to claim 1, characterized in that, The plug-in square hole includes two on the partition plate, and the panel gap includes two, the opposite sides of the two plug-in square holes are opposite to the positions of the panel gap.

9. The bottom self-locking packaging box according to claim 1, characterized in that, The root of the bottom sealing plate is integrally connected with the side plate, and the connection part is provided with an inward folding mark, and the partition plate and the bottom sealing plate are provided with an inward folding mark.

10. The bottom self-locking packaging box according to claim 1, characterized in that, The root of the flat plate is integrally connected with the side plate, and the connection part is provided with an inward folding mark, and the vertical plate and the flat plate are provided with an inward folding mark.

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