A plastic packaging box with adjustable capacity

Abstract

The utility model relates to the technical field of plastic packaging boxes, specifically to a capacity-adjustable plastic packaging box, comprising a combined packaging tube, a removable bottom cover detachably mounted on the lower end of the combined packaging tube, a removable top cover detachably mounted on the upper end of the combined packaging tube, a connecting structure is arranged between the removable bottom cover and the combined packaging tube, a user can place a moisture-proof bag inside a grille seat, the grille seat is placed inside the removable bottom cover, the removable bottom cover is connected to the lower end of the combined packaging tube through the connecting structure, the lower end of the combined packaging tube fits with the upper end of the grille seat, so that the grille seat is fixed inside the removable bottom cover, which is convenient for protecting the moisture-proof bag, a plurality of combined packaging tubes can also be connected through the connecting structure, the storage space can be adjusted, and the removable top cover is connected to the combined packaging tube through a thread, which is convenient for protecting the items inside the plurality of combined packaging tubes.

Description

Technical Field

[0001] The utility model relates to a plastic packaging box, in particular to a capacity-adjustable plastic packaging box, belonging to the technical field of plastic packaging boxes. Background Art

[0002] PVC packaging box: As the name suggests, it is a general-purpose thermoplastic packaging box made of PVC resin. It looks slightly yellow, translucent and shiny. Its transparency is better than that of polyethylene and polypropylene. The hardness of hard products is higher than that of low-density polyethylene, but lower than that of polypropylene. Whitening will occur at the bend.

[0003] According to a Chinese patent document with publication number CN204957194U, an adjustable convenient cylindrical packaging box is disclosed;

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it is found that most of the existing plastic packaging boxes are one-piece structures, and the space inside them is fixed. During use, the storage space cannot be adjusted according to the needs of the user, and the existing plastic packaging boxes cannot provide good protection for the items inside them.

[0005] Therefore, there is an urgent need to improve the capacity-adjustable plastic packaging box to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a capacity-adjustable plastic packaging box, which solves the problem that most existing plastic packaging boxes are of an integrated structure, the internal space of which is fixed, and the storage space cannot be adjusted according to the needs of users during use, and the existing plastic packaging boxes cannot well protect the items inside.

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include: a capacity-adjustable plastic packaging box, including a combination packaging tube, a removable bottom cover is detachably installed at the lower end of the combination packaging tube, a removable top cover is detachably installed at the upper end of the combination packaging tube, and a connecting structure is arranged between the removable bottom cover and the combination packaging tube.

[0008] Preferably, an observation glass is provided in the middle of the upper end of the removable top cover, and the removable top cover is threadedly connected to the combined packaging tube.

[0009] Preferably, a vent hole is provided at the upper end of the removable top cover, a dustproof net is provided inside the vent hole, and a rubber sealing cap is detachably installed at the upper end of the vent hole.

[0010] Preferably, a grille seat is detachably mounted on the lower end of the interior of the removable bottom cover, and the upper end of the grille seat fits with the lower end of the combined packaging tube.

[0011] Preferably, the connection structure comprises a connection groove, the connection groove is opened on both sides of the lower end of the combined packaging tube, and the connection groove is L-shaped.

[0012] Preferably, connecting blocks are provided on both sides of the upper end of the combination packaging tube and on both sides of the upper end of the removable top cover, the connecting blocks cooperate with the connecting grooves, and the inner diameter of the upper end of the combination packaging tube is equal to the outer diameter of the lower end.

[0013] Preferably, a movable groove is provided inside the combination packaging tube, a through hole is provided at the lower end of the movable groove, the through hole is connected to the connecting groove, an elastic card block is movably inserted inside the through hole, the lower end of the elastic card block is movably inserted inside the connecting groove, one side of the elastic card block is inclined, the upper end of the elastic card block is located inside the movable groove and a fixing spring is fixedly installed, and a card slot that is engaged with the elastic card block is provided at the upper end of the connecting block.

[0014] Preferably, a slide groove is provided on one side of the movable groove, a slider connected to the elastic block is movably inserted inside the slide groove, and an adjustment ring connected to the slider is sleeved on the outer side of the combined packaging tube.

[0015] The utility model has at least the following beneficial effects:

[0016] 1. In the utility model, the user can place the moisture-proof bag inside the grille seat, and the grille seat is placed inside the detachable bottom cover. The detachable bottom cover is connected to the lower end of the combined packaging tube through a connecting structure, and the lower end of the combined packaging tube fits with the upper end of the grille seat, so that the grille seat is fixed inside the detachable bottom cover, which is convenient for protecting the moisture-proof bag. Multiple combined packaging tubes can also be connected through the connecting structure, and the storage space can be adjusted. The detachable top cover is connected to the combined packaging tube through a thread, which is convenient for protecting the items inside the multiple combined packaging tubes. Under the action of the vent hole, the material inside the combined packaging tube is ventilated conveniently. Under the action of the dustproof net, dust is prevented from entering the interior of the combined packaging tube. Under the action of the rubber sealing cap, the ventilation condition of the detachable cover plate is convenient to control.

[0017] 2. In the utility model, when the removable bottom cover is connected to the combination packaging tube or two combination packaging tubes, the removable bottom cover is sleeved on the lower end of the combination packaging tube, one combination packaging tube is sleeved on the lower end of the other combination packaging tube, and the connecting block is inserted along the connecting groove, and the connecting groove is L-shaped, which is convenient for the quick connection between the removable bottom cover and the combination packaging tube or the two combination packaging tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1 It is a schematic diagram of the side structure of the device of the utility model;

[0020] Figure 2 This is a schematic diagram of a half-section structure of the device of the utility model;

[0021] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 for Figure 2 Enlarged structural diagram at B in the middle.

[0023] In the figure, 1. combined packaging tube; 2. removable bottom cover; 3. removable top cover; 4. observation glass; 5. adjustment ring; 6. grille seat; 7. connecting groove; 8. connecting block; 9. card slot; 10. elastic card block; 11. movable groove; 12. fixing spring; 13. slide groove; 14. slider; 15. vent hole; 16. dust net; 17. rubber sealing cap. DETAILED DESCRIPTION

[0024] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0025] like Figures 1 to 4 As shown, a capacity-adjustable plastic packaging box provided in this embodiment comprises a combined packaging tube 1, a removable bottom cover 2 is detachably mounted on the lower end of the combined packaging tube 1, a removable top cover 3 is detachably mounted on the upper end of the combined packaging tube 1, a connecting structure is arranged between the removable bottom cover 2 and the combined packaging tube 1, an observation glass 4 is arranged in the middle of the upper end of the removable top cover 3, the removable top cover 3 is threadedly connected to the combined packaging tube 1, a vent hole 15 is opened on the upper end of the removable top cover 3, a dustproof net 16 is arranged inside the vent hole 15, a rubber sealing cap 17 is detachably mounted on the upper end of the vent hole 15, a grille seat 6 is detachably mounted on the lower end of the inner part of the removable bottom cover 2, and the upper end of the grille seat 6 is fitted with the lower end of the combined packaging tube 1;

[0026] In this embodiment, the user can place the moisture-proof bag inside the grille seat 6, and the grille seat 6 is placed inside the removable bottom cover 2. The removable bottom cover 2 is connected to the lower end of the combination packaging tube 1 through a connecting structure. The lower end of the combination packaging tube 1 fits with the upper end of the grille seat 6, so that the grille seat 6 is fixed inside the removable bottom cover 2, which is convenient for protecting the moisture-proof bag. Multiple combination packaging tubes 1 can also be connected through a connecting structure, and the storage space can be adjusted. The removable top cover 3 is connected to the combination packaging tube 1 through a thread, which is convenient for protecting the items inside multiple combination packaging tubes 1. Under the action of the vent hole 15, the material inside the combination packaging tube 1 is ventilated conveniently. Under the action of the dustproof net 16, dust is prevented from entering the interior of the combination packaging tube 1. Under the action of the rubber sealing cap 17, the ventilation of the removable cover is convenient to control.

[0027] like Figures 2 to 4 As shown, the present embodiment provides a capacity-adjustable plastic packaging box, the connection structure includes a connection groove 7, the connection groove 7 is provided on both sides of the lower end of the combined packaging tube 1, the connection groove 7 is L-shaped, and both sides of the upper end of the combined packaging tube 1 and the upper end of the removable top cover 3 are provided with connection blocks 8, the connection blocks 8 are matched with the connection groove 7, and the inner diameter of the upper end of the combined packaging tube 1 is equal to the outer diameter of the lower end;

[0028] In this embodiment, when the removable bottom cover 2 is connected to the combination packaging tube 1 or two combination packaging tubes 1, the removable bottom cover 2 is sleeved on the lower end of the combination packaging tube 1, one combination packaging tube 1 is sleeved on the lower end of the other combination packaging tube 1, and the connecting block 8 is inserted along the connecting groove 7. The connecting groove 7 is L-shaped, which facilitates the quick connection between the removable bottom cover 2 and the combination packaging tube 1 or the two combination packaging tubes 1.

[0029] like Figure 2 and Figure 3 As shown, a capacity-adjustable plastic packaging box provided in this embodiment, a movable groove 11 is provided inside the combined packaging tube 1, a through hole is provided at the lower end of the movable groove 11, the through hole is connected to the connecting groove 7, an elastic card block 10 is movably inserted inside the through hole, the lower end of the elastic card block 10 is movably inserted inside the connecting groove 7, one side of the elastic card block 10 is inclined, the upper end of the elastic card block 10 is located inside the movable groove 11 and is fixedly installed with a clamping spring 12, and the upper end of the connecting block 8 is provided with a card slot 9 that is clamped with the elastic card block 10;

[0030] In this embodiment, when the connecting block 8 is inserted into one end of the connecting groove 7, the connecting block 8 contacts the elastic card block 10, and the elastic card block 10 is squeezed into the interior of the movable groove 11, compressing the retaining spring 12. When the connecting block 8 moves to the maximum position at one end of the connecting groove 7, the elastic card block 10 returns to its original position under the action of the retaining spring 12, and the elastic card block 10 moves downward, so that the lower end of the elastic card block 10 is inserted into the interior of the card slot 9, so that the connecting block 8 is limited inside the connecting groove 7, thereby strengthening the connection between the removable bottom cover 2 and the combination packaging tube 1 or two combination packaging tubes 1.

[0031] like Figure 2 and Figure 3 As shown, the present embodiment provides a capacity-adjustable plastic packaging box, a slide groove 13 is provided on one side of the movable groove 11, a slider 14 connected to the elastic block 10 is movably inserted into the slide groove 13, and an adjustment ring 5 connected to the slider 14 is sleeved on the outer side of the combined packaging tube 1;

[0032] In this embodiment, the user pushes the adjustment ring 5 upward, and the adjustment ring 5 with the slider 14 moves along the slide groove 13. The slider 14 drives the elastic block 10 to move upward, so that the elastic block 10 shrinks into the movable groove 11 and is pulled out from the groove 9, so that the connecting block 8 can move inside the connecting groove 7, which facilitates the quick disassembly of the detachable bottom cover 2 and the combined packaging tube 1 or two combined packaging tubes 1.

[0033] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0034] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0035] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A plastic packaging box with adjustable capacity, comprising a combined packaging tube (1), characterized in that: A removable bottom cover (2) is detachably mounted on the lower end of the combined packaging tube (1), and a removable top cover (3) is detachably mounted on the upper end of the combined packaging tube (1). A connecting structure is provided between the removable bottom cover (2) and the combined packaging tube (1), and the connecting structure comprises a connecting groove (7). The connecting groove (7) is provided on both sides of the lower end of the combined packaging tube (1), and the connecting groove (7) is L-shaped. Connecting blocks (8) are provided on both sides of the upper end of the combined packaging tube (1) and on both sides of the upper end of the removable top cover (3). The connecting blocks (8) cooperate with the connecting groove (7). The inner diameter of the upper end of the combined packaging tube (1) is equal to the outer diameter of the lower end. A movable groove (11) is provided inside the combined packaging tube (1), and the movable groove (11) The lower end of the connecting block (8) is provided with a through hole, the through hole is connected to the connecting groove (7), an elastic block (10) is movably inserted into the inside of the through hole, the lower end of the elastic block (10) is movably inserted into the inside of the connecting groove (7), one side of the elastic block (10) is inclined, the upper end of the elastic block (10) is located inside the movable groove (11) and is fixedly installed with a clamping spring (12), the upper end of the connecting block (8) is provided with a clamping groove (9) clamped with the elastic block (10), one side of the movable groove (11) is provided with a sliding groove (13), a sliding block (14) connected to the elastic block (10) is movably inserted into the inside of the sliding groove (13), and an adjusting ring (5) connected to the sliding block (14) is sleeved on the outer side of the combined packaging tube (1).

2. The capacity-adjustable plastic packaging box according to claim 1, characterized in that: An observation glass (4) is provided in the middle of the upper end of the removable top cover (3), and the removable top cover (3) is threadedly connected to the combined packaging tube (1).

3. The capacity-adjustable plastic packaging box according to claim 1, characterized in that: A vent hole (15) is provided at the upper end of the removable top cover (3), a dustproof net (16) is provided inside the vent hole (15), and a rubber sealing cap (17) is detachably mounted at the upper end of the vent hole (15).

4. The capacity-adjustable plastic packaging box according to claim 3, characterized in that: A grille seat (6) is detachably mounted on the lower end of the interior of the removable bottom cover (2), and the upper end of the grille seat (6) fits in contact with the lower end of the combined packaging tube (1).

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