High-load-bearing carton without adhesive tape at bottom

Abstract

The high-load-bearing carton comprises a first side plate, one side of the first side plate is connected with a fourth side plate in a rotating mode, one side of a third side plate is connected with a second side plate in a rotating mode, one side of the second side plate is connected with a closing plate in a rotating mode, a first locking groove is formed in the outer surface of a first partition plate, and a second locking groove is formed in the outer surface of a second partition plate. The bottom end of the fourth side plate is rotationally connected with a second bottom plate, and one side of the first bottom plate is rotationally connected with a first spring bolt. According to the high-load-bearing carton without the adhesive tape at the bottom, through the arrangement of the first bottom plate, the second bottom plate, the first partition plate, the first locking groove and the first spring bolt, after the carton body is stacked, the first partition plate is rotated along the bottom of the first side plate, the first bottom plate and the second bottom plate are rotated leftwards and rightwards correspondingly, and the first spring bolt is partially rotated and then all placed in the first locking groove; the bottom of the carton can be folded and locked, the bottom of the carton can be simply, stably and firmly folded, the bottom of the carton does not need to be sealed through an adhesive tape, and the requirement for environmental protection is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to carton technical field, especially a kind of bottom no adhesive tape high load paper box. BACKGROUND

[0002] High load paper box is a high-quality packaging product specially designed to meet the packaging and transportation needs of heavy objects. It can withstand much more weight than ordinary cartons and can adapt to different storage and transportation environments. Whether it is industrial parts, electronic products or other high-weight goods, high load paper box can provide reliable protection to ensure the safety and integrity of goods during transportation. It is an indispensable helper in modern logistics and packaging industry.

[0003] The current bottom no adhesive tape high load paper box, due to the bottom of the carton often sealed with tape, too much tape is not good for the environment, does not meet the requirements of environmental protection, at the same time, some cartons reduce the use of tape while increasing the difficulty of carton production and assembly, therefore, it is necessary to design a bottom no adhesive tape high load paper box. SUMMARY

[0004] The main purpose of the utility model is to provide a bottom no adhesive tape high load paper box, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A bottom no adhesive tape high load paper box, comprising a first side plate, a fourth side plate rotatably connected to one side of the first side plate, a third side plate rotatably connected to one side of the fourth side plate, a second side plate rotatably connected to one side of the third side plate, a joint plate rotatably connected to one side of the second side plate, a first partition plate rotatably connected to the bottom end of the first side plate, a first locking groove formed on the outer surface of the first partition plate, a first bottom plate rotatably connected to the bottom end of the second side plate, a second bottom plate rotatably connected to the bottom end of the fourth side plate, and a first locking tongue rotatably connected to one side of the first bottom plate.

[0007] To achieve the purpose of folding the side plates, as a bottom no adhesive tape high load paper box of the utility model, a first fold line is provided between the joint plate and the second side plate, a second fold line is provided between the second side plate and the third side plate, a third fold line is provided between the third side plate and the fourth side plate, and a fourth fold line is provided between the fourth side plate and the first side plate.

[0008] To achieve the purpose of sealing the top of the carton, as a bottom no adhesive tape high load paper box of the utility model, a first cover plate is rotatably connected to the top end of the fourth side plate, and a second cover plate is rotatably connected to the top end of the second side plate.

[0009] In order to realize the purpose of relative sealing of the top of the carton, as a kind of bottom tapeless high load bearing carton, the top end of the third side plate is rotatably connected with a second partition plate, and a second lock slot is formed in the outer surface of the second partition plate.

[0010] In order to realize the purpose of locking the cover plate, as a kind of bottom tapeless high load bearing carton, a second lock tongue is rotatably connected to one side of the first cover plate.

[0011] In order to realize the purpose of facilitating the customer to open the box, as a kind of bottom tapeless high load bearing carton, an opening and tearing plate is arranged on one side of the top of the third side plate close to the second lock slot.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, by setting the first bottom plate, the second bottom plate, the first partition plate, the first lock slot and the first lock tongue, after stacking the side plates into a box body, the first partition plate is rotated 90 degrees backward along the bottom of the first side plate, the first bottom plate and the second bottom plate are respectively rotated 90 degrees left and right along the bottoms of the second side plate and the fourth side plate, the non-contact part of the first lock tongue with the bottom plate is rotated 90 degrees along the position of the first lock slot, and then the first lock tongue is put into the first lock slot, the first lock tongue returns to the initial state, realizing folding and locking of the bottom of the carton, which can simply and stably fold the bottom of the carton, and does not need to use tape to seal the bottom, meeting the environmental protection requirement.

[0014] 2. In the utility model, by setting the opening and tearing plate, the second lock tongue, the second lock slot, the first lock tongue and the first lock slot, the second partition plate is rotated 90 degrees backward along the top of the first side plate, the first cover plate and the second cover plate are respectively rotated 90 degrees left and right along the tops of the second side plate and the fourth side plate, the non-contact part of the second lock tongue with the top plate is rotated 90 degrees along the position of the second lock slot, and then the second lock tongue is put into the second lock slot, the second lock tongue returns to the initial state, the upper and lower ends of the carton are locked by the same structure, the structure is simple and convenient to operate, the structure is consistent with the unfolded size of the ordinary express box, the production cost is not increased, and the molding is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view structural schematic diagram of the embodiment of the utility model;

[0016] Fig. 2 It is an internal structure schematic diagram of the embodiment of the utility model;

[0017] Fig. 3 It is an unfolded structure schematic diagram of the embodiment of the utility model.

[0018] In the diagram: 1. First side panel; 2. Second side panel; 3. Third side panel; 4. Fourth side panel; 5. First cover plate; 6. Second locking tongue; 7. Second partition plate; 8. Second locking groove; 9. Opening tear plate; 10. Second cover plate; 11. Composite plate; 12. First bottom plate; 13. First partition plate; 14. First locking groove; 15. First locking tongue; 16. Second bottom plate; 17. First fold line; 18. Second fold line; 19. Third fold line; 20. Fourth fold line. Detailed Implementation

[0019] 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.

[0020] Example

[0021] like Figs. 1-3 As shown, a high-load-bearing cardboard box with no adhesive tape at the bottom includes a first side panel 1, a fourth side panel 4 rotatably connected to one side of the first side panel 1, a third side panel 3 rotatably connected to one side of the fourth side panel 4, a second side panel 2 rotatably connected to one side of the third side panel 3, a composite plate 11 rotatably connected to one side of the second side panel 2, a first partition 13 rotatably connected to the bottom end of the first side panel 1, a first locking groove 14 formed on the outer surface of the first partition 13, a first bottom plate 12 rotatably connected to the bottom end of the second side panel 2, a second bottom plate 16 rotatably connected to the bottom end of the fourth side panel 4, and a first locking tongue 15 rotatably connected to one side of the first bottom plate 12.

[0022] In practical use, through the arrangement of the first base plate 12, the second base plate 16, the first partition 13, the first locking groove 14, and the first locking tongue 15, the fourth side plate 4 rotates 90 degrees counterclockwise along the fourth fold line 20, the third side plate 3 rotates 90 degrees counterclockwise along the third fold line 19, the second side plate 2 rotates 90 degrees counterclockwise along the second fold line 18, and the hinge plate 11 rotates 90 degrees counterclockwise along the first fold line 17. The hinge plate 11 is fixed to the inner wall of the first side plate 1, and the carton side plates are folded. The first partition 13 is then rotated backward along the bottom of the first side plate 1. The first base plate 12 and the second base plate 16 rotate 90 degrees to the left and right respectively along the bottom of the second side plate 2 and the fourth side plate 4. The part of the first locking tongue 15 that is not in contact with the first base plate 12 rotates 90 degrees along the position of the first locking groove 14. Then, the first locking tongue 15 is fully inserted into the first locking groove 14. The first locking tongue 15 will return to its initial state, realizing the folding and locking of the bottom of the carton. There is a first locking tongue 15 on both sides of the first base plate 12 and the second base plate 16. The first partition 13 has two first locking tongues, and each has a first locking groove 14.

[0023] In this embodiment, a first fold line 17 is provided between the composite plate 11 and the second side plate 2, a second fold line 18 is provided between the second side plate 2 and the third side plate 3, a third fold line 19 is provided between the third side plate 3 and the fourth side plate 4, and a fourth fold line 20 is provided between the fourth side plate 4 and the first side plate 1.

[0024] In practical use, the setting of the first fold line 17, the second fold line 18, the third fold line 19 and the fourth fold line 20 can help fold each side panel into a carton and speed up the folding process.

[0025] In this embodiment, the top end of the fourth side plate 4 is rotatably connected to the first cover plate 5, and the top end of the second side plate 2 is rotatably connected to the second cover plate 10.

[0026] In practical use, the first cover plate 5 and the second cover plate 10 can provide a seal for the bottom of the carton.

[0027] In this embodiment, a second partition 7 is rotatably connected to the top of the third side plate 3, and a second locking groove 8 is provided on the outer surface of the second partition 7.

[0028] In practical use, through the setting of the second partition 7 and the second locking groove 8, there are two second partitions 7, and each second partition 7 has a second locking groove 8.

[0029] In this embodiment, a second locking tongue 6 is rotatably connected to one side of the first cover plate 5.

[0030] In practical use, due to the setting of the second locking tongue 6, there is a second locking tongue 6 on both sides of the first cover plate 5 and the second cover plate 10.

[0031] In this embodiment, a box-opening tear plate 9 is provided on the top of the third side plate 3 near the second lock groove 8.

[0032] In practical use, the opening tear plate 9 allows users to tear off the top of the carton after receiving it, making opening the carton convenient and simple.

[0033] Working principle: During use, the fourth side panel 4 rotates 90 degrees counterclockwise along the fourth fold line 20, the third side panel 3 rotates 90 degrees counterclockwise along the third fold line 19, the second side panel 2 rotates 90 degrees counterclockwise along the second fold line 18, and the hinge panel 11 rotates 90 degrees counterclockwise along the first fold line 17. The hinge panel 11 is fixed to the inner wall of the first side panel 1, and the carton side panels are folded. The first partition 13 is rotated 90 degrees backward along the bottom of the first side panel 1, and the first bottom panel 12 and the second bottom panel 16 are rotated 90 degrees to the left and right respectively along the bottom of the second side panel 2 and the fourth side panel 4. The part of the first locking tongue 15 that is not in contact with the first bottom panel 12 is rotated 90 degrees along the position of the first locking groove 14. Then, the first locking tongue 15 is fully inserted into the first locking groove 14, and the first locking tongue 15 will return to its initial state, realizing the folding and locking of the bottom of the carton. Each of the two sides of the first plate 12 and the second bottom plate 16 has a first locking tongue 15. The first partition 13 has two parts, each with a first locking groove 14. The second partition 7 is rotated 90 degrees backward along the top of the first side plate 1. The first cover plate 5 and the second cover plate 10 are rotated 90 degrees to the left and right respectively along the top of the second side plate 2 and the fourth side plate 4. The part of the second locking tongue 6 that is not in contact with the top plate is rotated 90 degrees along the position of the second locking groove 8. Then, the second locking tongue 6 is fully inserted into the second locking groove 8, and the second locking tongue 6 will return to its initial state. The top and bottom ends of the carton use the same structure to lock the carton. There are two second partition plates 7, and each second partition plate 7 has a second locking groove 8. Each of the first cover plate 5 and the second cover plate 10 has a second locking tongue 6 on both sides. After the user receives the carton, they can tear off the opening pull tab 9 to open the top of the carton. Opening the carton is convenient and the operation is simple.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high-load-bearing cardboard box with no adhesive tape at the bottom, comprising a first side panel (1), characterized in that: A fourth side plate (4) is rotatably connected to one side of the first side plate (1), a third side plate (3) is rotatably connected to one side of the fourth side plate (4), a second side plate (2) is rotatably connected to one side of the third side plate (3), a hinged plate (11) is rotatably connected to one side of the second side plate (2), a first partition plate (13) is rotatably connected to the bottom end of the first side plate (1), a first locking groove (14) is provided on the outer surface of the first partition plate (13), a first bottom plate (12) is rotatably connected to the bottom end of the second side plate (2), a second bottom plate (16) is rotatably connected to the bottom end of the fourth side plate (4), and a first locking tongue (15) is rotatably connected to one side of the first bottom plate (12).

2. A high-load-bearing cardboard box with no adhesive tape at the bottom according to claim 1, characterized in that: A first fold line (17) is provided between the plywood (11) and the second side plate (2), a second fold line (18) is provided between the second side plate (2) and the third side plate (3), a third fold line (19) is provided between the third side plate (3) and the fourth side plate (4), and a fourth fold line (20) is provided between the fourth side plate (4) and the first side plate (1).

3. A high-load-bearing cardboard box with no adhesive tape at the bottom according to claim 1, characterized in that: The top end of the fourth side plate (4) is rotatably connected to the first cover plate (5), and the top end of the second side plate (2) is rotatably connected to the second cover plate (10).

4. A high-load-bearing cardboard box with no adhesive tape at the bottom according to claim 1, characterized in that: The top of the third side plate (3) is rotatably connected to a second partition plate (7), and a second locking groove (8) is provided on the outer surface of the second partition plate (7).

5. A high-load-bearing cardboard box with no adhesive tape at the bottom according to claim 3, characterized in that: A second locking tongue (6) is rotatably connected to one side of the first cover plate (5).

6. A high-load-bearing cardboard box with no adhesive tape at the bottom according to claim 4, characterized in that: The top of the third side plate (3) is provided with an opening tear plate (9) on the side near the second lock groove (8).

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