CN217779261U

CN217779261U - High-strength corrugated carton

Info

Publication number: CN217779261U
Application number: CN202221776313.2U
Authority: CN
Inventors: 胡淼; 刘莹; 杨森; 姚凯贵; 胡晶晶; 胡凯强
Original assignee: Shanghai Jinghong Packaging Products Co ltd
Current assignee: Shanghai Jinghong Packaging Products Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-11
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a high-strength corrugated carton, which comprises an inner paper board and a supporting structure, wherein the left side and the right side of the top of the inner paper board are integrally formed with a box cover, and the supporting structure is bonded at four included angles of the inner paper board; the supporting structure comprises a supporting block, air holes are formed in the outer portion of the supporting block, a rubber block is bonded on one side, facing the middle portion of the inner paper board, of the supporting block, a movable rod is inserted into one side, facing the middle portion of the inner paper board, of the supporting block, a buffer spring is sleeved on the outer portion of the movable rod, and the buffer spring is bonded with the supporting block. The supporting structure further comprises a limiting block, the top and the bottom of the limiting block are both bonded with the supporting block, and a buffer groove is formed in the limiting block. This high strength corrugated box through the bearing structure who all installs in inside four contained angles departments of corrugated box, can make corrugated box inside fill with after heavier thing take up the carton when four contained angles be difficult to loose the frame, promoted advantages such as corrugated box's practicality.

Description

High-strength corrugated carton

Technical Field

The application relates to corrugated box technical field, especially relates to a high strength corrugated box.

Background

Corrugated board is a multi-layer adhesive body, which is composed of at least one layer of wavy core paper interlayer (commonly called as "hole paper", "corrugated core paper", "corrugated paper core", "corrugated base paper") and one layer of paper board (also called as "box board paper" or "box paper board"). It has high mechanical strength and can resist collision and falling in the carrying process. The actual performance of corrugated boxes depends on three factors: the characteristics of the core paper and paperboard, and the structure of the carton itself, are also known as corrugated paperboard. Is formed by bonding at least one layer of corrugated paper and one layer of boxboard paper (also called boxboard), and has better elasticity and extensibility. The method is mainly used for manufacturing cartons, the sandwich of the cartons and other packaging materials of fragile commodities. The raw paper board similar to yellow paper board is made up by using straw pulp of earth method and waste paper through pulping, then is mechanically processed and rolled into corrugated form, then on its surface the adhesive of sodium silicate is used to adhere it to the cardboard paper so as to obtain the invented product.

In realizing this application in-process, the inventor discovers that there is following problem at least in this technique, and current high strength corrugated box, the resistance to compression degree of the inside four contained angles of the carton of great majority is not strong, and four contained angles are easily scattered when taking up the carton after filling with heavier thing inside the corrugated box, have reduced corrugated box's practicality, so propose a high strength corrugated box and solve the problem that provides in the aforesaid.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, this application provides a high strength corrugated box, possess and all install bearing structure at inside four contained angles departments of corrugated box, be difficult to the frame that looses when can make inside the taking up the carton after filling with heavier thing of corrugated box, advantages such as corrugated box's practicality have been promoted, current high strength corrugated box has been solved, the resistance to compression degree of the inside four contained angles of great majority's carton is not strong, four contained angles are easy to be loosed when taking up the carton after filling with heavier thing inside the corrugated box, the problem of corrugated box's practicality has been reduced.

In summary, the present application provides the following technical solutions: a high-strength corrugated carton comprises an inner paper board and a supporting structure, wherein box covers are integrally formed on the left side and the right side of the top of the inner paper board, and the supporting structure is adhered to four included angles of the inner paper board;

the supporting structure comprises a supporting block, air holes are formed in the outer portion of the supporting block, a rubber block is bonded to one side, facing the middle portion of the inner paper board, of the supporting block, a movable rod is inserted into one side, facing the middle portion of the inner paper board, of the supporting block, a buffer spring is sleeved on the outer portion of the movable rod, and the buffer spring is bonded with the supporting block.

Furthermore, the outer part of the inner paperboard is bonded with a second adhesive, and the outer part of the adhesive is bonded with a paper core.

The beneficial effect of adopting the further scheme is that: and the paper core and the inner paper board are connected through a second adhesive.

Furthermore, the outer part of the paper core is bonded with a first adhesive, and the outer part of the first adhesive is bonded with an outer paperboard.

The beneficial effect of adopting the further scheme is that: and bonding the paper core and the outer paperboard through a first adhesive.

Furthermore, fixed angles are bonded on the left side and the right side of the bottom of the outer paperboard, and a bottom plate is bonded on one side, facing the middle of the inner paperboard, of each fixed angle.

The beneficial effect of adopting the further scheme is that: the bottom of the carton is reinforced by fixing the corners to the bottom panel.

Further, bearing structure still includes the stopper, stopper top and bottom all bond with the supporting shoe, the inside dashpot that has seted up of stopper, movable rod and dashpot swing joint.

The beneficial effect of adopting the further scheme is that: the movable rod can not damage the limiting block through the buffer slot.

Furthermore, the limiting block is inserted with a supporting rod towards one side of the outer part of the inner paper board, and the upper part and the lower part of one side of the limiting block towards the middle part of the inner paper board are inserted with bearing blocks.

The beneficial effect of adopting the above further scheme is: the pressure resistance of the supporting structure is enhanced by the pressure bearing blocks.

Furthermore, buffer blocks are bonded at included angles inside the supporting blocks, and the buffer blocks are bonded at inner included angles of the limiting blocks and the supporting blocks.

The beneficial effect of adopting the further scheme is that: the pressure generated when the supporting structure is connected internally is buffered through the buffer block.

Further, the support structure is in a central symmetry structure based on the central axis of the inner paperboard.

The beneficial effect of adopting the above further scheme is: make bearing structure evenly distributed carry out the resistance to compression inside the carton through central symmetry structure.

Compared with the prior art, the application provides a high strength corrugated box, possesses following beneficial effect:

1. this high strength corrugated box through the bearing structure who all installs in inside four contained angles departments of corrugated box, can make corrugated box inside fill with after heavier thing take up the carton when four contained angles be difficult to loose the frame, promoted advantages such as corrugated box's practicality.

2. This high strength corrugated box through fixed angle, has solved the easy problem that warp of corrugated box bottom collision.

Drawings

FIG. 1 is a cross-sectional view of the present application;

FIG. 2 is a cross-sectional view of the support structure of FIG. 1 of the present application;

FIG. 3 is a schematic view of the support structure of FIG. 1 of the present application;

FIG. 4 is a top view of the support structure of FIG. 1 of the present application.

Description of the reference numerals:

in the figure: 1. a box cover; 2. an outer paperboard; 3. adhesive I; 4. a paper core; 5. adhesive II; 6. an inner paperboard; 7. a support structure; 701. a supporting block; 702. a rubber block; 703. a buffer block; 704. a support bar; 705. a limiting block; 706. a buffer tank; 707. a pressure-bearing block; 708. a movable rod; 709. a buffer spring; 7010. air holes are formed; 8. fixing the angle; 9. a base plate.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Referring to fig. 1-3, a high strength corrugated box includes an inner paper board 6 and a supporting structure 7, wherein a box cover 1 is integrally formed on the left and right sides of the top of the inner paper board 6, and the supporting structure 7 is adhered to four corners of the inner paper board 6.

In this embodiment, the second adhesive 5 is bonded to the outer portion of the inner paperboard 6, the paper core 4 is bonded to the outer portion of the second adhesive 5, and the paper core 4 and the inner paperboard 6 are firmly connected through the second adhesive 5.

In this embodiment, the first adhesive 3 is adhered to the exterior of the paper core 4, the outer paper board 2 is adhered to the exterior of the first adhesive 3, and the paper core 4 and the outer paper board 2 are firmly connected through the first adhesive 3.

In this embodiment, the fixed angle 8 has all been bonded to the 2 bottom left and right sides in outer cardboard, and fixed angle 8 has bottom plate 9 towards one side bonding in 6 middle parts in the inner cardboard, can strengthen the internal support power of carton through fixed angle 8.

Supporting structure 7 includes supporting shoe 701, and bleeder vent 7010 has been seted up to the supporting shoe 701 outside, and supporting shoe 701 bonds towards the one side at interior cardboard 6 middle part has rubber block 702, and supporting shoe 701 is pegged graft towards the one side at interior cardboard 6 middle part and is had movable rod 708, and the outside cover of movable rod 708 is equipped with buffer spring 709, and buffer spring 709 bonds with supporting shoe 701, and rubber block 702 is the better material of buffering.

In this embodiment, support structure 7 still includes stopper 705, and stopper 705 top and bottom all bond with supporting shoe 701, and stopper 705 is inside to have seted up dashpot 706, and movable rod 708 and dashpot 706 swing joint make movable rod 708 can not crash stopper 705 through dashpot 706, and stopper 705 can strengthen supporting shoe 701's fastness.

In this embodiment, a support rod 704 is inserted into one side of the limiting block 705 facing the outside of the inner paper board 6, a pressure-bearing block 707 is inserted into both the upper portion and the lower portion of one side of the limiting block 705 facing the middle of the inner paper board 6, and the pressure-bearing block 707 can support and receive pressure sensed by the support block 701.

In this embodiment, the inside contained angle department of supporting shoe 701 all bonds and has the buffer block 703, and the stopper 705 all bonds and has the buffer block 703 with the inside contained angle department of supporting shoe 701, cushions the pressure that produces when bearing structure 7 internal connection through the characteristic of buffer block 703 rubber material.

In this embodiment, the supporting structure 7 is a central symmetrical structure based on the central axis of the inner paper board 6, and the supporting structure 7 is uniformly distributed inside the carton for resisting compression through the central symmetrical structure.

The working principle of the above embodiment is as follows:

when articles are arranged in the corrugated carton, a movable rod 708 is inserted into one side of the supporting block 701, which faces the middle of the inner paperboard 6, at this time, the articles can firstly touch the movable rod 708, a buffer spring 709 is sleeved outside the movable rod 708, the movable rod 708 is matched with the buffer spring 709 to stretch and contract for decompression at this time, a buffer groove 706 is formed in the limiting block 705, when the movable rod 708 stretches or collides with the buffer groove 706, the supporting structure 7 further comprises a limiting block 705, a supporting rod 704 is inserted into one side of the limiting block 705, which faces the middle of the inner paperboard 6, a buffering block 703 is adhered to included angles in the supporting block 701, at this time, the damping force is transmitted to the supporting rod 704 by the limiting block 705, the buffering block 703 helps the supporting rod 704 to relieve impact, a rubber block 702 is adhered to one side of the supporting block 701, the rubber block 702 can reduce the vibration by the characteristics of rubber when colliding with the articles, so that the friction is reduced, the included angles in the supporting block 701 are all provided with buffering blocks 703, when the articles are full of the outside of the supporting block 701, the supporting block 707 is a structure mainly relieving the pressure, and the pressure of the buffering block 703 can relieve the included angles.

This high strength corrugated box through the bearing structure who all installs in inside four contained angles departments of corrugated box, can make corrugated box inside fill with after heavier thing take up the carton when four contained angles be difficult to loose the frame, promoted advantages such as corrugated box's practicality.

This high strength corrugated box through fixed angle, has solved the easy problem that warp of corrugated box bottom collision.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high strength corrugated carton comprising an inner sheet (6) and a support structure (7), characterized in that: the box covers (1) are integrally formed on the left side and the right side of the top of the inner paper board (6), and the supporting structures (7) are bonded at four included angles of the inner paper board (6);

the supporting structure (7) comprises a supporting block (701), an air hole (7010) is formed in the outer portion of the supporting block (701), a rubber block (702) is bonded on one side, facing the middle portion of the inner paperboard (6), of the supporting block (701), a movable rod (708) is inserted into one side, facing the middle portion of the inner paperboard (6), of the supporting block (701), a buffer spring (709) is sleeved on the outer portion of the movable rod (708), and the buffer spring (709) is bonded with the supporting block (701).

2. A high strength corrugated box as claimed in claim 1, wherein: and a second adhesive (5) is bonded to the outer part of the inner paperboard (6), and a paper core (4) is bonded to the outer part of the second adhesive (5).

3. A high strength corrugated carton as claimed in claim 2, wherein: the paper core (4) is externally bonded with a first adhesive (3), and the first adhesive (3) is externally bonded with an outer paperboard (2).

4. A high strength corrugated carton as claimed in claim 3, wherein: the outer paperboard (2) bottom left and right sides all bonds and has fixed angle (8), fixed angle (8) have bottom plate (9) towards the one side bonding in inner paperboard (6) middle part.

5. A high strength corrugated carton as claimed in claim 1, wherein: the supporting structure (7) further comprises a limiting block (705), the top and the bottom of the limiting block (705) are both bonded with the supporting block (701), a buffer groove (706) is formed in the limiting block (705), and the movable rod (708) is movably connected with the buffer groove (706).

6. A high strength corrugated box as claimed in claim 5, wherein: the supporting rod (704) is inserted into one side, facing the outer portion of the inner paperboard (6), of the limiting block (705), and the bearing blocks (707) are inserted into the upper portion and the lower portion of one side, facing the middle of the inner paperboard (6), of the limiting block (705).

7. A high strength corrugated box as claimed in claim 5, wherein: buffer blocks (703) are bonded at included angles inside the supporting block (701), and the buffer blocks (703) are bonded at included angles between the limiting block (705) and the supporting block (701).

8. A high strength corrugated box as claimed in claim 1, wherein: the supporting structure (7) is in a central symmetry structure based on the central axis of the inner paperboard (6).