CN224029500U

CN224029500U - An internally reinforced heavy-duty cardboard box

Info

Publication number: CN224029500U
Application number: CN202520709104.3U
Authority: CN
Inventors: 宁杏紫
Original assignee: Dongguan Zhenhong Packaging Products Co ltd
Current assignee: Dongguan Zhenhong Packaging Products Co ltd
Priority date: 2025-04-15
Filing date: 2025-04-15
Publication date: 2026-03-24
Anticipated expiration: 2035-04-15

Abstract

This utility model relates to the field of heavy-duty cardboard boxes and discloses an internally reinforced heavy-duty cardboard box, including an outer box with a box lid on top, an inner box inside the outer box, and a telescopic assembly inside the inner box. The telescopic assembly includes multiple three-pronged brackets disposed inside the inner box, with rubber pads fixedly connected to the outer sides of the three-pronged brackets. Fixing components are installed on the side of each three-pronged bracket away from the rubber pads, and a telescopic rod is slidably connected between adjacent three-pronged brackets. In this utility model, the size of the internal reinforcing frame can be adjusted according to the size of different heavy-duty cardboard boxes. By rotating a lever, an eccentric wheel is driven to rotate, and the eccentric wheel applies force to a compression block during rotation. When the compression block is compressed, the telescopic rod is fixed; when it is moved away from the compression block, the telescopic rod can slide within the three-pronged brackets, thereby adjusting the overall size of the reinforcing frame.

Description

Inside reinforced heavy carton

Technical Field

The utility model relates to the field of heavy cartons, in particular to an internally reinforced heavy carton.

Background

The heavy-duty carton is a packaging carton with high strength and high bearing capacity, is mainly used for packaging articles with large weight and large volume or high requirements on packaging strength, has the characteristics of high strength, good buffering performance, strong customization, environmental protection, energy saving and the like, is developed on the basis of the traditional carton, and aims to solve the defects of a common carton in bearing weights and resisting external force impact.

At present, the traditional internally reinforced heavy-duty carton has obvious defects that the size of an internal reinforced frame is fixed, the adjustability is lacking, once the heavy-duty carton with unmatched size is faced, the reinforced frame cannot be installed in an adaptive manner, the reinforced frame cannot be put into use directly, and the application range and convenience are greatly limited;

Disclosure of utility model

In order to make up for the defects, the utility model provides an internally reinforced heavy-duty carton, which aims to solve the problem that an internally reinforced frame cannot be adjusted in size according to the carton in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The internally reinforced heavy carton comprises an outer carton, wherein a carton cover is arranged at the top of the outer carton, an inner carton is arranged in the outer carton, and a telescopic assembly is arranged in the inner carton;

The telescopic components comprise a plurality of three-fork supports arranged in the inner box, rubber pads are fixedly connected to the outer sides of the three-fork supports, one sides, far away from the rubber pads, of the three-fork supports are provided with fixed components, and telescopic rods are connected between two adjacent three-fork supports in a sliding mode;

As a further description of the above technical solution:

The fixing assembly comprises a shell fixedly connected to the outer side of the three-fork support, an eccentric wheel is rotationally connected to the middle of the shell, an extrusion block is arranged on one side, close to the three-fork support, of the eccentric wheel, limiting columns are fixedly connected to two sides of the top of the extrusion block, and the two limiting columns are slidably connected to the inside of the shell;

As a further description of the above technical solution:

The outer side of the eccentric wheel is fixedly connected with a poking piece, the outer side of the shell is fixedly connected with a shackle, and the shackle is clamped with the poking piece;

As a further description of the above technical solution:

The extrusion block is connected inside the shell in a sliding way;

As a further description of the above technical solution:

the outer side of the extrusion block penetrates through the three-fork bracket;

As a further description of the above technical solution:

the extrusion block is in interference fit with the telescopic rod;

As a further description of the above technical solution:

The inner box is attached to the carton cover;

As a further description of the above technical solution:

the rubber pad with the inner box laminating, the rubber pad with the carton lid laminating mutually.

The utility model has the following beneficial effects:

1. According to the utility model, the telescopic assembly is arranged, when the size of the internal reinforcing frame needs to be adjusted, the telescopic rods are moved, then the size of the internal reinforcing frame is adjusted, and the size can be adjusted only when four telescopic rods in the same direction can be moved.

2. According to the utility model, the eccentric wheel is driven to rotate by rotating the shifting piece in the direction away from the shackle, and at the moment, the eccentric wheel is slowly away from the extrusion block, so that the telescopic rod can be moved to adjust the size of the reinforcing frame, the eccentric wheel is driven to rotate by rotating the shifting piece in the direction of the shackle, at the moment, the eccentric wheel pushes the extrusion block to compress downwards, and then the shifting piece is hooked by the shackle, thereby realizing the functions of fixing the telescopic rod and the three-fork bracket, and achieving the purpose of adjusting the size of the reinforcing frame.

Drawings

Fig. 1 is a schematic perspective view of an internally reinforced heavy-duty carton according to the present utility model;

Fig. 2 is an internal structural view of an outer case of an internally reinforced heavy-duty carton according to the present utility model;

fig. 3 is a schematic perspective view of a telescopic assembly of an internally reinforced heavy-duty carton according to the present utility model;

Fig. 4 is a schematic perspective view of a fastening assembly of an internally reinforced heavy-duty carton according to the present utility model;

fig. 5 is a structural profile of the outer shell of an internally reinforced heavy-duty carton according to the present utility model.

Legend description:

1. the paper box comprises an outer box, an inner box, a 3, a shell, a 4, a rubber pad, a 5, a three-fork bracket, a 6, a telescopic rod, a 7, a poking piece, an 8, an extrusion block, a 9, a shackle, a 10, an eccentric wheel, an 11, a limit post, a 12 and a paper box cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an internally reinforced heavy carton comprises an outer box 1, a carton cover 12 is arranged at the top of the outer box 1, an inner box 2 is arranged in the outer box 1, transported articles can be better protected by arranging the inner box 2, when the outer box 1 is damaged, the inner box 2 can also protect the transported articles from damage, buffer materials or waterproof materials and the like can be arranged between the outer box 1 and the inner box 2, the transported articles can be better protected, a telescopic component is arranged in the inner box 2 and used for adjusting the size of an internal reinforcing frame, the telescopic component comprises a plurality of three-fork supports 5 arranged in the inner box 2, a rubber pad 4 is fixedly connected to the outer side of the three-fork supports 5, the rubber pad 4 can play a buffering role, one side of the three-fork supports 5 far away from the rubber pad 4 is provided with a fixed component, a telescopic rod 6 is slidingly connected between the two adjacent three-fork supports 5, when the size is required to be adjusted, the distance between the three-fork supports 5 is increased, then the effect of adjusting the size is achieved, and the length in one direction can be adjusted only when the telescopic rod 6 in the same direction can be moved;

Referring to fig. 4 and 5, the fixing assembly comprises a housing 3 fixedly connected to the outer side of a three-fork bracket 5, an eccentric wheel 10 is rotatably connected to the middle of the housing 3, an extrusion block 8 is arranged on one side of the eccentric wheel 10, which is close to the three-fork bracket 5, and because the rotation center of the eccentric wheel 10 is not coincident with the geometric center, when the eccentric wheel 10 rotates towards the extrusion block 8, the extrusion block 8 can be extruded, and the fixing effect can be realized;

Referring to fig. 4, a pulling piece 7 is fixedly connected to the outer side of an eccentric wheel 10, the pulling piece 7 is moved to drive the eccentric wheel 10 to rotate, a shackle 9 is fixedly connected to the outer side of a housing 3, the shackle 9 is clamped with the pulling piece 7, and when the pulling piece 7 moves to the position of the shackle 9, a telescopic assembly can be fixed;

Referring to fig. 4 and 5, the squeeze block 8 is slidably coupled inside the housing 3, and the frame size is adjusted by sliding the squeeze block 8 inside the housing 3;

referring to fig. 4, the outer side of the extrusion block 8 penetrates through the three-fork bracket 5, and the extrusion block 8 penetrates through one end of the three-fork bracket 5 in the sliding process;

Referring to fig. 4, the extrusion block 8 is in interference fit with the telescopic rod 6, and when the extrusion block 8 and the telescopic rod 6 are fixed together, the telescopic rod 6 cannot move, and when the extrusion block 8 and the telescopic rod 6 can slide, the telescopic rod 6 can move;

Referring to fig. 1 and 2, the inner case 2 is attached to the paper case cover 12, and when the paper case cover 12 is required to cover the article, the paper case cover 12 is brought into contact with the inner case 2;

Referring to fig. 1 and 2, rubber pad 4 is laminated with inner box 2, and rubber pad 4 is laminated with carton lid 12 mutually, and rubber pad 4 can be used for preventing article from producing when the transportation and rocking, causes the damage to inner box 2, has avoided inside reinforcement frame and inner box 2 direct contact.

The working principle is that when the integral size of the internal reinforcing frame needs to be adjusted, the size can be adjusted by stirring the poking plate 7, and because the geometric center of the eccentric wheel 10 is not coincident with the rotation center, when the eccentric wheel 10 rotates, the outer edge of the eccentric wheel 10 can apply force to the extrusion block 8 in the rotating process because of the eccentric design, and the top of the extrusion block 8 is also provided with the limit column 11, and the limit column 11 is connected with the shell 3, so that the extrusion block 8 can only move in the shell 3 and is prevented from moving towards other directions. When the size of the reinforcing frame needs to be adjusted, the pulling piece 7 can be moved towards the direction away from the shackle 9, the pulling piece 7 can drive the eccentric wheel 10 to rotate together, the eccentric wheel 10 does not squeeze the squeezing block 8 any more, the telescopic rod 6 can slide, and the telescopic rod 6 is driven to move by moving the three-fork support 5. But only when four telescopic rods 6 in the same direction can be moved, the length of the direction can be adjusted; when the poking piece 7 is poked to move towards the shackle 9, the poking piece 7 can drive the eccentric wheel 10 to rotate together, at this time, the eccentric wheel 10 can push the extrusion block 8 to move towards the telescopic rod 6 due to the eccentric design of the eccentric wheel in the rotating process, and as a small notch is formed at the top end of the poking piece 7, the poking piece 7 can be hooked when the poking piece 7 moves to the position of the shackle 9, so that the locking effect is achieved.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims

1. The internally reinforced heavy carton comprises an outer carton (1) and is characterized in that a carton cover (12) is arranged at the top of the outer carton (1), an inner carton (2) is arranged in the outer carton (1), and a telescopic assembly is arranged in the inner carton (2);

The telescopic component comprises a plurality of three-fork supports (5) arranged inside the inner box (2), rubber pads (4) are fixedly connected to the outer sides of the three-fork supports (5), the fixed component is arranged on one side, away from the rubber pads (4), of each three-fork support (5), and telescopic rods (6) are connected between the two adjacent three-fork supports (5) in a sliding mode.

2. The internally reinforced heavy carton according to claim 1, wherein the fixing component comprises a shell (3) fixedly connected to the outer side of the three-fork support (5), an eccentric wheel (10) is rotationally connected to the middle of the shell (3), an extrusion block (8) is arranged on one side, close to the three-fork support (5), of the eccentric wheel (10), limit columns (11) are fixedly connected to two sides of the top of the extrusion block (8), and the two limit columns (11) are slidably connected to the inside of the shell (3).

3. The internally reinforced heavy carton according to claim 2, wherein a poking sheet (7) is fixedly connected to the outer side of the eccentric wheel (10), a shackle (9) is fixedly connected to the outer side of the outer shell (3), and the shackle (9) is clamped with the poking sheet (7).

4. An internally reinforced heavy-duty carton according to claim 2, characterized in that the press block (8) is slidingly connected inside the outer shell (3).

5. An internally reinforced heavy-duty carton according to claim 2, characterized in that the outside of the extrusion block (8) extends through the trifurcated support (5).

6. An internally reinforced heavy-duty carton according to claim 2, characterized in that the squeeze-out block (8) is in an interference fit with the telescopic rod (6).

7. An internally reinforced heavy-duty carton according to claim 1, characterized in that the inner box (2) is fitted to the carton cover (12).

8. An internally reinforced heavy-duty carton according to claim 1, characterized in that the rubber pad (4) is attached to the inner carton (2), the rubber pad (4) being attached to the carton cover (12).