CN219172934U

CN219172934U - Corrugated carton with double paper cores

Info

Publication number: CN219172934U
Application number: CN202222523994.8U
Authority: CN
Inventors: 杨建山
Original assignee: Tianjin Xuri Paper Packaging Co ltd
Current assignee: Tianjin Xuri Paper Packaging Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-06-13
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to the field of corrugated boxes, in particular to a double-paper-core composite corrugated box which comprises a first paper core plate, wherein a rubber film is fixedly connected to the side wall of the first paper core plate, a second paper core plate is fixedly connected to the side wall of the rubber film, protective layers are arranged on the sides, opposite to the first paper core plate, of the second paper core plate, and insertion holes are formed in the upper parts of the first paper core plate and the second paper core plate. According to the utility model, the protective sleeve is covered at the incision positions of the first paper core plate and the second paper core plate, the inserted link is pressed towards the inside of the jack by the L-shaped clamping head, so that the protective sleeve can be installed, the incision positions of the first paper core plate and the second paper core plate are protected, and the waterproof effect of the corrugated case is improved; through setting up the rubber membrane between a paper core board and No. two paper core boards, and the inside of rubber membrane is filled with the air, when No. two paper core boards pressurized in-process, effectively promotes corrugated box's buffer capacity under rubber membrane and air cooperation.

Description

Corrugated carton with double paper cores

Technical Field

The utility model relates to the field of corrugated boxes, in particular to a double-paper-core composite corrugated box.

Background

The corrugated paper box gradually replaces transport packaging containers such as wooden boxes and the like by the excellent use performance and the good processing performance, becomes the main force of transport packaging, and has the advantages of light weight, low manufacturing cost and the like, and is widely applied.

The prior patent (bulletin number: CN 211469084U) discloses a corrugated box with high-strength double corrugated paper cores, which comprises an outer box body, a first paper core and a second paper core. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. in order to improve the waterproof effect, part of the corrugated paper box is coated with waterproof paint on the surface, but after the corrugated paper is cut into the paper box, the position of the dismantling notch is exposed outside, rainwater is easy to enter in the carrying or transporting process, and the later-stage use effect is affected.

Disclosure of Invention

The utility model aims to provide a double-paper-core composite corrugated paper box, which solves the problems in the prior art: 1. the existing part of corrugated paper box is difficult to effectively waterproof the cutting position of the paper box in the using process. In order to achieve the above purpose, the present utility model provides the following technical solutions: the double-paper-core composite corrugated paper box comprises a first paper core plate, wherein a rubber film is fixedly connected to the side wall of the first paper core plate, a second paper core plate is fixedly connected to the side wall of the rubber film, and protective layers are arranged on the opposite sides of the second paper core plate and the first paper core plate;

the upper parts of the first paper core board and the second paper core board are respectively provided with an inserting hole, a protective sleeve is lapped between the tops of the first paper core board and the second paper core board, two sides of the protective sleeve are respectively and movably connected with an inserting rod, one end of the inserted link is fixedly connected with four L-shaped chucks along the circumference at equal intervals, and the L-shaped chucks penetrate through the insertion holes and extend to a position between the first paper core plate and the second paper core plate.

Preferably, the side walls of the L-shaped chucks are inclined planes, and the thickness of the two opposite L-shaped chucks is set to be one quarter of the diameter of the inserted rod.

Preferably, the protective layer is a PE shrink film.

Preferably, the protective sleeve is U-shaped, round holes are formed in two sides of the protective sleeve, and the inserted rod is movably inserted into the corresponding round holes.

Preferably, the inserted link is set to be T-shaped, and the inserted link and the L-shaped clamping head are both made of PVC materials.

Preferably, the rubber membrane is filled with air inside.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the matched use of the protective sleeve, the inserted link, the L-shaped clamping head and other parts, the protective sleeve covers the incision positions of the first paper core board and the second paper core board, the inserted link is pressed towards the inside of the jack by the L-shaped clamping head, so that the installation of the protective sleeve can be realized, the incision positions of the first paper core board and the second paper core board are protected, and the waterproof effect of the corrugated case is improved.

According to the corrugated paper box, the first paper core plate, the rubber film, the protective sleeve and other components are matched, the rubber film is arranged between the first paper core plate and the second paper core plate, air is filled in the rubber film, and when the second paper core plate is pressed, the buffer capacity of the corrugated paper box is effectively improved under the cooperation of the rubber film and the air.

Drawings

FIG. 1 is a perspective view of a partial position of a first paper core sheet and a second paper core sheet according to the present utility model;

FIG. 2 is a side cross-sectional view of the position of the protective sleeve and a first paper core of the present utility model;

fig. 3 is an enlarged view of the structure of fig. 2 a in accordance with the present utility model.

In the figure: 1. a first paper core plate; 2. a rubber film; 3. a second paper core board; 4. a protective layer; 5. a jack; 6. a protective sleeve; 7. a rod; 8. an L-shaped chuck.

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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a two refill complex corrugated case, includes a refill board 1, a refill board 1's lateral wall fixedly connected with rubber membrane 2, and rubber membrane 2's lateral wall fixedly connected with No. two refill board 3, no. two refill board 3 all are equipped with inoxidizing coating 4 with a refill board 1's one side opposite to each other.

The upper parts of the first paper core board 1 and the second paper core board 3 are respectively provided with an inserting hole 5, a protective sleeve 6 is lapped between the tops of the first paper core board 1 and the second paper core board 3, two sides of the protective sleeve 6 are respectively and movably connected with an inserting rod 7, one end of the inserting rod 7 is fixedly connected with four L-shaped clamping heads 8 along the circumference at equal intervals, and the L-shaped clamping heads 8 penetrate through the inserting holes 5 and extend to a position between the first paper core board 1 and the second paper core board 3.

In this embodiment, as shown in fig. 2 and 3, the side walls of the L-shaped chucks 8 are inclined surfaces, and the thickness of the opposite L-shaped chucks 8 is set to be one-fourth of the diameter of the insert pin 7. When the four L-shaped chucks 8 are pressed and attached together, the formed diameter is the same as the diameter of the inserted link 7, and the L-shaped chucks 8 are in an open state after being released from the pressing, so that the inserted link 7 after being installed is prevented from being pulled out from the jack 5, and the installation stability of the protective sleeve 6 is improved.

In this embodiment, as shown in fig. 2, the protective layer 4 is a PE shrink film. By adhering the PE shrink film to the surfaces of the first paper core plate 1 and the second paper core plate 3, the waterproof effect is improved.

In this embodiment, as shown in fig. 2 and 3, the protecting sleeve 6 is set to be U-shaped, both sides of the protecting sleeve 6 are provided with round holes, and the inserting rod 7 is movably inserted into the corresponding round hole. The jack 5 is set to three, and the lateral wall at a paper core board 1 is offered to three jack 5 equidistance, and 7 quantity of inserted bar are unanimous with jack 5 quantity, and jack 5 is unanimous with jack 5 quantity on a paper core board 1 on No. two paper core boards 3 to promote the stability of lag 6 installation.

In this embodiment, as shown in fig. 2 and 3, the insert pin 7 is T-shaped, and both the insert pin 7 and the L-shaped chuck 8 are made of PVC. The L-shaped clamping head 8 has certain deformability in the use process, and the manufacturing cost of the PVC material is low.

In this embodiment, as shown in fig. 1, 2 and 3, the inside of the rubber film 2 is filled with air. Through rubber membrane 2 and air cooperation, promote corrugated box pressurized in-process and have stronger buffer capacity, promote the protective effect to the inside article of carton.

The application method and the advantages of the utility model are as follows: the double-paper-core composite corrugated paper box has the following working process:

as shown in fig. 1, 2 and 3, the corrugated case is formed by matching a first paper core board 1 with a second paper core board 3 to form a double-layer structure, a protective sleeve 6 covers the cut positions of the first paper core board 1 and the second paper core board 3, inserting rods 7 on two sides of the protective sleeve 6 are pressed towards the inside of the insertion holes 5 by the L-shaped clamping heads 8, and after the L-shaped clamping heads 8 penetrate through the insertion holes 5 on the corresponding first paper core board 1 or the second paper core board 3, the L-shaped clamping heads 8 are released from the pressed state and opened for limiting, so that the installation of the protective sleeve 6 can be realized, the cut positions of the first paper core board 1 and the second paper core board 3 are protected, and the waterproof effect of the corrugated case is improved;

through setting up rubber membrane 2 between No. 1 paper core board and No. two paper core boards 3, and the inside of rubber membrane 2 is filled with the air, when No. two paper core boards 3 pressurized in-process, effectively promote corrugated box's buffer capacity under rubber membrane 2 and air cooperation, and the installation of lag 6 can be effectual spacing to rubber membrane 2, promotes the stability after the installation of rubber membrane 2 and in the use.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two refill complex corrugated case, includes a refill board (1), its characterized in that: the side wall of the first paper core plate (1) is fixedly connected with a rubber film (2), the side wall of the rubber film (2) is fixedly connected with a second paper core plate (3), and one side of the second paper core plate (3) opposite to the first paper core plate (1) is provided with a protective layer (4);

the utility model discloses a paper board, including a paper core board (1), a second paper core board (3), jack (5) have all been seted up on the upper portion of a paper core board (1), overlap joint has lag (6) between the top of a paper core board (1) and No. two paper core boards (3), equal swing joint in both sides of lag (6) has inserted bar (7), four L type dops (8) of circumference equidistance fixedly connected with are followed to the one end of inserted bar (7), L type dop (8) run through jack (5) and extend to between a paper core board (1) and No. two paper core boards (3).

2. A dual core composite corrugated carton as claimed in claim 1 wherein: the side walls of the L-shaped chucks (8) are inclined planes, and the thickness of the two opposite L-shaped chucks (8) is one quarter of the diameter of the inserted link (7).

3. A dual core composite corrugated carton as claimed in claim 1 wherein: the protective layer (4) is a PE shrink film.

4. A dual core composite corrugated carton as claimed in claim 1 wherein: the protection sleeve (6) is U-shaped, round holes are formed in two sides of the protection sleeve (6), and the inserting rod (7) is movably inserted into the corresponding round holes.

5. A dual core composite corrugated carton as claimed in claim 1 wherein: the inserting rod (7) is of a T shape, and the inserting rod (7) and the L-shaped clamping head (8) are made of PVC materials.

6. A dual core composite corrugated carton as claimed in claim 1 wherein: the rubber membrane (2) is filled with air.