Quick snap-on device for top and bottom covers of a packaging box

Abstract

The utility model discloses a quick buckling device of heaven and earth cover of packing box, specifically relates to quick buckling technical field, including the box body, the inside fixedly connected with the baffle of box body, the top of cover is sleeved with the cover of box body top, is equipped with the recess in the top of cover, the inside of box body is equipped with the opening and closing subassembly. The utility model discloses through setting opening and closing subassembly, when the box body is buckled with cover, the latch is inserted into the recess department inside support column no.

Description

Technical Field

[0001] This utility model relates to the field of quick-locking technology, and more specifically, to a quick-locking device for the top and bottom lids of packaging boxes. Background Technology

[0002] Traditional top-and-bottom lid assembly, which has long relied on manual operation or simple semi-automatic equipment, is no longer suitable for the needs of modern manufacturing. Manual assembly is not only labor-intensive and difficult to recruit, but also extremely inefficient, with a single manual assembly line typically producing less than a thousand boxes per hour, far from meeting the mass production demands of industries such as food, cosmetics, and consumer electronics. Furthermore, manual operation is affected by subjective factors such as experience and condition, resulting in poor precision and consistency in the fastening process, easily leading to misalignment, gaps, and other problems, with a defect rate exceeding 12%, severely impacting product appearance and protective performance. In addition, continuously rising labor costs have brought labor costs to as high as 45% of total packaging costs, highlighting the significant pressure on companies to reduce costs.

[0003] According to patent publication (announcement) number CN103587801A, a fastening device for a box includes a fastening rod, a fastening rod seat, and a button. The fastening rod seat is installed on the box body, and the button is installed on the box lid. Both ends of the fastening rod are inserted into the insertion holes of the fastening rod seat, with a clearance fit between them. The fastening rod is bent into a U-shape in the middle, and the top end is bent outwards into a ring. The outer diameter of the button is slightly larger than the diameter of the ring, and the inner end is recessed inwards. After the box body is closed, the ring portion of the fastening rod is fastened onto the recessed portion of the button, and the box body is in a fastened state. Separating the fastening rod from the button allows the box body to be opened. This invention is not only simple in structure and easy to install, but also provides convenient and secure fastening.

[0004] The box's dimensions are too tight, causing friction when opened and creating air pressure inside. The paper becomes sticky after getting damp, requiring a fingernail to pry it open as there is no leverage point. Furthermore, the top and bottom covers are not fixedly connected, relying solely on their size for support. If the top cover falls off, the contents may fall out. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a quick-locking device for the top and bottom lids of packaging boxes to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick-closing device for a packaging box lid, comprising a box body, a partition fixedly connected to the inner side of the box body, a lid fitted onto the top of the box body, a groove provided on the top of the lid, and an opening and closing component provided on the inner side of the box body.

[0007] As a further description of the above technical solution:

[0008] The opening and closing assembly includes a tripod fixedly installed inside the box body. The tripod has a triangular cross-section and a balance plate is hinged to the top of the tripod.

[0009] As a further description of the above technical solution:

[0010] The top of the balance plate is hinged to a support rod, and support blocks are fixedly connected to both sides of the support rod. The cross-section of the support rod is V-shaped.

[0011] As a further description of the above technical solution:

[0012] One side of the support rod is provided with a support column one, and a support column two is hinged to the top of the support column one.

[0013] As a further description of the above technical solution:

[0014] Both support column one and support column two are made of wood. Support column one has a pin attached to one side, and the cross-section of the pin is J-shaped.

[0015] As a further description of the above technical solution:

[0016] The pin can be made of aluminum alloy, and a spring is sleeved on the outside of the pin. Guide sleeves are sleeved on both sides of the spring.

[0017] As a further description of the above technical solution:

[0018] The guide sleeve has a cylindrical cross-section, and a base plate is fixedly connected to the bottom of the guide sleeve. The base plate is bolted into the groove of the cover.

[0019] The technical effects and advantages of this utility model are as follows:

[0020] By setting up an opening and closing assembly, when the box body and lid are fastened together, the pin is inserted into the groove inside the first support column to fasten it. When opening, the second support column is pressed down, which causes the first support column to press down on the balance plate. The center of gravity of the balance plate shifts to the first support column, pushing the support rod on the other side of the balance plate upward. The support rod then pushes the support block upward, causing the lid to be pushed upward. Compared with the existing technology, by pressing down on the second support column, which causes the first support column to move downward, the center of gravity of one side of the balance plate shifts downward, and the support rod is pushed upward, thus pushing the support block, a rapid opening and closing can be achieved, reducing the time required for opening and ensuring a tight fastening. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the internal structure of the box body of this utility model.

[0023] Figure 3 This is a schematic diagram of the opening and closing component structure of this utility model.

[0024] Figure 4 This is a schematic diagram of the pin structure of this utility model.

[0025] The attached diagram is labeled as follows: 1. Box body; 2. Divider; 3. Lid; 4. Tripod; 5. Balance plate; 6. Support rod; 7. Support block; 8. Support column one; 9. Support column two; 10. Pin; 11. Spring; 12. Guide sleeve; 13. Base plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] As attached Figure 1-4 The box body 1 shown is a quick-closing device for the top and bottom lids of the packaging box. It is practical and includes a box body 1, a partition 2 fixedly connected to the inside of the box body 1, a lid 3 fitted onto the top of the box body 1, a groove on the top of the lid 3, and an opening and closing component on the inside of the box body 1.

[0028] In some embodiments, according to Figure 1 As shown, the opening and closing assembly includes a tripod 4 fixedly installed inside the box body 1. The tripod 4 has a triangular cross-section and a balance plate 5 is hinged to the top of the tripod 4.

[0029] In some embodiments, according to Figure 1 As shown, a support rod 6 is hinged to the top of the balance plate 5. The balance plate 5 controls the height of the support rod 6. Support blocks 7 are fixedly connected to both sides of the support rod 6. The cross-section of the support rod 6 is set in a V shape.

[0030] In some embodiments, according to Figure 1 As shown, a support column 8 is provided on one side of the support rod 6, and a support column 9 is hinged to the top of the support column 8. When the support column 9 is pressed down, it drives the support column 8 and the balance plate 5.

[0031] In some embodiments, according to Figure 1 As shown, both support column 1 8 and support column 2 9 are made of wood. A pin 10 is attached to one side of support column 1 8. The cross-section of pin 10 is J-shaped. Pin 10 is inserted into the groove of support column 1 8 to fix support column 1 8 and fasten box body 1 and lid 3 together.

[0032] In some embodiments, according to Figure 1 As shown, the pin 10 can be made of aluminum alloy. A spring 11 is sleeved on the outside of the pin 10. The spring 11 can tightly fit the pin 10 with the support column 8 to prevent loosening. Guide sleeves 12 are sleeved on both sides of the spring 11.

[0033] In some embodiments, according to Figure 1 As shown, the guide sleeve 12 has a cylindrical cross-section, and a base plate 13 is fixedly connected to the bottom of the guide sleeve 12. The base plate 13 is bolted to the groove of the cover 3.

[0034] The working principle of this utility model is as follows: When the box body 1 needs to be locked, the lid 3 is placed on top of the box body 1. The second support column 9 passes through the hole in the groove of the lid 3. When it is necessary to fasten, the pin 10 is inserted into the hole of the first support column 8. At the same time, the second support column 9 can be folded to prevent it from protruding. The lid 3 and the box body 1 are fastened together. When it is necessary to open, the pin 10 is pulled out, the second support column 9 is lifted, and the second support column 9 is pressed down. The second support column 9 moves the first support column 8 downward. The second support column 9 and the first support column 8 press down and move the balance plate 5. The center of gravity of the balance plate 5 is pressed towards the first support column 8, which pushes the support rod 6 on the other side of the balance plate 5 upward. The support rod 6 pushes the top support block 7 upward. The support block 7 fits against the lid 3 and is pushed upward, so the lid 3 can be opened.

Claims

1. A quick-locking device for a box lid and top cover, comprising a box body (1), wherein a partition (2) is fixedly connected to the inner side of the box body (1), and a lid (3) is fitted onto the top of the box body (1), wherein the top of the lid (3) is provided with a groove, characterized in that: The inner side of the box body (1) is provided with an opening and closing component.

2. The quick-locking device for the top and bottom lids of a packaging box according to claim 1, characterized in that: The opening and closing assembly includes a tripod (4) fixedly installed inside the box body (1), the tripod (4) has a triangular cross-section, and a balance plate (5) is hinged to the top of the tripod (4).

3. The quick-locking device for the top and bottom lids of a packaging box according to claim 2, characterized in that: The top of the balance plate (5) is hinged with a support rod (6), and support blocks (7) are fixedly connected to both sides of the support rod (6). The cross-section of the support rod (6) is set as V-shaped.

4. The quick-locking device for the top and bottom lids of a packaging box according to claim 3, characterized in that: The support rod (6) has a support column one (8) on one side, and a support column two (9) is hinged to the top of the support column one (8).

5. The quick-locking device for the top and bottom lids of a packaging box according to claim 4, characterized in that: Both the first support column (8) and the second support column (9) are made of wood. The first support column (8) has a pin (10) attached to one side, and the cross-section of the pin (10) is J-shaped.

6. The quick-locking device for the top and bottom lids of a packaging box according to claim 5, characterized in that: The pin (10) can be made of aluminum alloy. A spring (11) is sleeved on the outside of the pin (10), and guide sleeves (12) are sleeved on both sides of the spring (11).

7. The quick-locking device for the top and bottom lids of a packaging box according to claim 6, characterized in that: The guide sleeve (12) has a cylindrical cross-section and a base plate (13) is fixedly connected to the bottom of the guide sleeve (12). The base plate (13) is bolted to the groove of the cover (3).

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