Corrugated carton with carton cover self-locking structure

Abstract

The utility model provides a corrugated carton with a carton cover self-locking structure, and relates to the technical field of corrugated cartons, the corrugated carton comprises a carton body and a protective box, the outer surface of the carton body is fixedly connected with a support frame, the outer surface of the support frame is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a worm, and the upper surface of the carton body is rotatably connected with a rotating shaft; one end of the rotating shaft is fixedly connected with a worm, the other end of the rotating shaft is fixedly connected with a worm gear, the worm gear is in meshed connection with the worm, the outer surface of the rotating shaft is fixedly connected with a connecting block, and the outer surface of the connecting block is fixedly connected with a folding cover. The rotating shaft is driven by the worm wheel to rotate in the box body, the connecting block is driven by the rotating shaft to rotate, the folding cover is pulled to move through the connecting block, folding is achieved through movement of the folding cover, then the box body can be opened, and safer protection on objects in the box can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated cartons, in particular to a corrugated carton with a self-locking structure for the box cover. Background Art

[0002] Corrugated cardboard is made into corrugated cartons through die-cutting, indentation, box nailing or gluing. Corrugated cartons are a kind of packaging products with the widest application, and the usage amount has always been the first among various packaging products. This includes calcium plastic corrugated cartons. For more than half a century, corrugated cartons have gradually replaced transportation packaging containers such as wooden boxes with their superior performance and good processing performance, becoming the main force in transportation packaging. Corrugated cartons are a common packaging container made of corrugated cardboard, with the advantages of being light, environmentally friendly and low-cost, and are widely used in the logistics and packaging industries.

[0003] Chinese Patent CN217836738U discloses a corrugated carton with a self-locking function for the box cover, which relates to the field of corrugated cartons. This corrugated carton with a self-locking function for the box cover includes a box body, and a first box cover and a second box cover are arranged at the upper end of the box body. Fixing grooves are opened on both the first box cover and the second box cover, and a box cover self-locking mechanism is arranged inside the fixing grooves opened on the first box cover and the second box cover. A handling groove is opened on the box body, and a flame retardant is coated on the surface of the box body. This corrugated carton with a self-locking function for the box cover no longer needs to use external tape for fixing, so the cost expenditure is reduced. At the same time, it avoids the damage caused by the tape to the first box cover and the second box cover when they need to be opened by tape fixing. Therefore, the reuse rate of the box body is improved, and at the same time, the first box cover and the second box cover are more convenient and faster to close, reducing unnecessary operation steps, so the work efficiency is improved;

[0004] However, the self-locking function of this patent is too simple to provide a more secure protection for the items inside the box. Moreover, the box body itself is easily bumped, resulting in damage to the items inside the box. Therefore, a corrugated carton with a self-locking structure for the box cover is proposed to address the above deficiencies. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problem that it cannot provide a more secure protection for the items inside the box, and a corrugated carton with a self-locking structure for the box cover is proposed.

[0006] To achieve the above object, the present utility model adopts the following technical solutions: A corrugated cardboard box with a self-locking structure for the box cover, comprising a box body and a protective box. The outer surface of the box body is fixedly connected with a support frame, the outer surface of the support frame is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a worm, the upper surface of the box body is rotatably connected with a rotating shaft, the other end of the rotating shaft is fixedly connected with a worm gear, the worm gear is meshed with the worm, the outer surface of the rotating shaft is fixedly connected with a connecting block, the outer surface of the connecting block is fixedly connected with a folding cover, and the lower surface of the folding cover is fixedly connected with a slider.

[0007] Preferably, a buffer seat is fixedly connected inside the protective box, a fixed block is fixedly connected inside the buffer seat, a fixed rod is fixedly connected inside the fixed block, a spring is slidably connected to the outer surface of the fixed rod, both ends of the spring are fixedly connected with sliding sleeves, and a rotating rod is rotatably connected to the upper surface of the sliding sleeve.

[0008] Preferably, a concave block is fixedly connected to the lower surface of the box body, and the rotating rod is rotatably connected to the inside of the concave block.

[0009] Preferably, a damper is fixedly connected to the upper surface of the fixed block, and the output end of the damper is fixedly connected to the lower surface of the box body.

[0010] Preferably, a chute is opened on the upper surface of the box body, a slider is slidably connected to the inside of the chute, and the top end of the slider is connected to the lower surface of the folding cover.

[0011] Preferably, the inside of the sliding sleeve is slidably connected to the outer surface of the fixed rod.

[0012] Preferably, the outer surface of the box body is slidably connected to the inside of the protective box.

[0013] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0014] First, in the present utility model, the electric push rod drives the worm to move back and forth, the movement of the worm drives the worm gear to rotate, the worm gear drives the rotating shaft to rotate inside the box body, the rotating shaft drives the connecting block to rotate, the connecting block pulls the folding cover to move, and the folding cover moves to achieve folding, thereby opening the box body, realizing more secure protection for the items inside the box.

[0015] Second, in the present utility model, the box body bears the weight. When the gravity is transmitted to the concave block, the concave block drives the rotating rod to rotate, the rotating rod pushes the sliding sleeve to slide, and the spring plays a resetting effect to achieve a buffering effect, realizing the prevention of damage to the items inside the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This utility model provides an overall three-dimensional structure diagram of a corrugated cardboard box with a self-locking structure for the box lid;

[0017] Figure 2 This utility model provides an overall structure diagram of the folding lid of a corrugated cardboard box with a self-locking structure for the box lid;

[0018] Figure 3 This utility model provides a structural diagram of a buffer seat of a corrugated cardboard box with a self-locking structure for the box lid;

[0019] Figure 4 This utility model provides a Figure 2 magnified view of part A in a corrugated cardboard box with a self-locking structure for the box lid.

[0020] Legend: 1, box body; 2, support frame; 3, electric push rod; 4, worm; 5, rotating shaft; 6, worm gear; 7, connecting block; 8, folding lid; 9, protective box; 10, buffer seat; 11, fixed block; 12, fixed rod; 13, spring; 14, sliding sleeve; 15, rotating rod; 16, concave block; 17, damper; 18, chute; 19, slider. Detailed implementation manners

[0021] In order to more clearly understand the above-mentioned objects, features, and advantages of this utility model, the following further describes this utility model in conjunction with the drawings and embodiments. It should be noted that, without conflict, the embodiments of this application and the features in the embodiments can be combined with each other.

[0022] In the following description, many specific details are set forth to fully understand this utility model. However, this utility model can also be implemented in other ways different from those described herein. Therefore, this utility model is not limited by the specific embodiments disclosed in the following specification.

[0023] Embodiment 1

[0024] As Figures 1 - 4 shown, this utility model provides a technical solution: a corrugated cardboard box with a self-locking structure for the box lid, including a box body 1 and a protective box 9. The outer surface of the box body 1 is fixedly connected with a support frame 2, the outer surface of the support frame 2 is fixedly connected with an electric push rod 3, the output end of the electric push rod 3 is fixedly connected with a worm 4, the upper surface of the box body 1 is rotatably connected with a rotating shaft 5, the other end of the rotating shaft 5 is fixedly connected with a worm gear 6, the worm gear 6 is meshed with the worm 4, the outer surface of the rotating shaft 5 is fixedly connected with a connecting block 7, the outer surface of the connecting block 7 is fixedly connected with a folding lid 8, the lower surface of the folding lid 8 is fixedly connected with a slider 19, and the upper surface of the box body 1 is provided with a chute 18, the inside of the chute 18 is slidably connected with the slider 19, and the top of the slider 19 is connected to the lower surface of the folding lid 8.

[0025] In this embodiment, the electric push rod 3 is started. The electric push rod 3 drives the worm 4 to move back and forth, and the movement of the worm 4 drives the worm wheel 6 to rotate. Inside the box body 1, the worm wheel 6 drives the rotating shaft 5 to rotate. The rotating shaft 5 drives the connecting block 7 to rotate, and the connecting block 7 pulls the folding cover 8 to move. The folding is achieved by the movement of the folding cover 8, and thus the box body 1 can be opened. The support frame 2 is fixed by the box body 1, and the electric push rod 3 is fixed by the support frame 2.

[0026] Embodiment 2

[0027] As Figures 1 - 4 shown, a buffer seat 10 is fixedly connected inside the protective box 9. A fixed block 11 is fixedly connected inside the buffer seat 10. A fixed rod 12 is fixedly connected inside the fixed block 11. A spring 13 is slidably connected to the outer surface of the fixed rod 12. Both ends of the spring 13 are fixedly connected with a sliding sleeve 14. A rotating rod 15 is rotatably connected to the upper surface of the sliding sleeve 14. The lower surface of the box body 1 is fixedly connected with a concave block 16. The inside of the concave block 16 is rotatably connected with the rotating rod 15. A damper 17 is fixedly connected to the upper surface of the fixed block 11. The output end of the damper 17 is fixedly connected to the lower surface of the box body 1. The inside of the sliding sleeve 14 is slidably connected to the outer surface of the fixed rod 12. The outer surface of the box body 1 is slidably connected to the inside of the protective box 9.

[0028] In this embodiment, the box body 1 bears the weight. When the gravity is transmitted to the concave block 16, the concave block 16 drives the rotating rod 15 to rotate. The rotating rod 15 pushes the sliding sleeve 14 to slide. The spring 13 plays a resetting effect. The buffer seat 10 fixes the fixed block 11. The fixed block 11 fixes the fixed rod 12. The fixed rod 12 facilitates the operation of the spring 13. The fixed rod 12 facilitates the sliding sleeve 14. The damper 17 assists in buffering the box body 1. The chute 18 facilitates the sliding of the slider 19. The slider 19 facilitates the folding of the folding cover 8. The protective box 9 protects the box body 1.

[0029] Working principle of this embodiment: First, start the electric push rod 3. Drive the worm 4 to move back and forth through the electric push rod 3, drive the worm gear 6 to rotate through the movement of the worm 4, drive the rotating shaft 5 to rotate inside the box body 1 through the worm gear 6, drive the connecting block 7 to rotate through the rotating shaft 5, pull the folding cover 8 to move through the connecting block 7, and realize folding through the movement of the folding cover 8, then the box body 1 can be opened, which can provide safer protection for the items in the box. At the same time, through the load-bearing of the box body 1, when the gravity is transmitted to the concave block 16, drive the rotating rod 15 to rotate through the concave block 16, push the sliding sleeve 14 to slide through the rotating rod 15, and achieve the reset effect through the spring 13 to realize the buffering effect, so as to avoid damage to the items in the box. Fix the support frame 2 through the box body 1, fix the electric push rod 3 through the support frame 2, fix the fixing block 11 through the buffer seat 10, fix the fixing rod 12 through the fixing block 11, facilitate the operation of the spring 13 through the fixing rod 12, facilitate the sliding sleeve 14 through the fixing rod 12, assist the buffering of the box body 1 through the damper 17, facilitate the sliding of the slider 19 through the chute 18, facilitate the folding of the folding cover 8 through the slider 19, and protect the box body 1 through the protective box 9.

[0030] The above is only the preferred embodiment of the present invention, and it is not intended to limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A corrugated paper box with a self-locking structure for the box cover, characterized in that: The invention comprises a box body (1) and a protective box (9); the outer surface of the box body (1) is fixedly connected to a support frame (2); the outer surface of the support frame (2) is fixedly connected to an electric push rod (3); the output end of the electric push rod (3) is fixedly connected to a worm (4); the upper surface of the box body (1) is rotatably connected to a rotating shaft (5); the other end of the rotating shaft (5) is fixedly connected to a worm gear (6); the worm gear (6) is meshingly connected to the worm gear (4); the outer surface of the rotating shaft (5) is fixedly connected to a connecting block (7); the outer surface of the connecting block (7) is fixedly connected to a folding cover (8); the lower surface of the folding cover (8) is fixedly connected to a slider (19).

2. A corrugated paper box with a box cover self-locking structure according to claim 1, characterized in that: The protection box (9) is fixedly connected to a buffer seat (10) inside, the buffer seat (10) is fixedly connected to a fixed block (11) inside, the fixed block (11) is fixedly connected to a fixed rod (12) inside, the outer surface of the fixed rod (12) is slidably connected to a spring (13), both ends of the spring (13) are fixedly connected to a sliding sleeve (14), and the upper surface of the sliding sleeve (14) is rotatably connected to a rotating rod (15).

3. The corrugated paper box with a self-locking structure for the box cover according to claim 1, characterized in that: A concave block (16) is fixedly connected to the lower surface of the box body (1), and the interior of the concave block (16) is rotatably connected to the rotating rod (15).

4. A corrugated paper box with a box cover self-locking structure according to claim 2, characterized in that: The upper surface of the fixed block (11) is fixedly connected to a damper (17), and the output end of the damper (17) is fixedly connected to the lower surface of the box body (1).

5. The corrugated paper box with a box cover self-locking structure according to claim 1, characterized in that: The upper surface of the box body (1) is provided with a slide groove (18), the interior of the slide groove (18) is slidably connected with a slider (19), and the top end of the slider (19) is connected to the lower surface of the folding cover (8).

6. The corrugated paper box with a box cover self-locking structure according to claim 2, characterized in that: The interior of the sliding sleeve (14) is slidably connected to the outer surface of the fixing rod (12).

7. The corrugated paper box with a box cover self-locking structure according to claim 1, characterized in that: The outer surface of the box body (1) is slidably connected to the interior of the protection box (9).

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