A corrugated cardboard box with expandable storage space

CN224715502UActive Publication Date: 2026-09-04JIANGSU HONGSHENG PACKAGING CO LTD
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Patent Information

Application Number
CN202522146875.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-11
Publication Date
2026-09-04
Estimated Expiration
2035-10-11

AI Technical Summary

Technical Problem

但是目前现有的瓦楞纸板盒内部空间为出厂限定,在临时需要堆放较多物品时不能够改变内部存放空间,具有一定的缺陷性

Benefits of technology

该存放空间可扩大的瓦楞纸板盒,初始状态下定位盖设置在盒体的底部,通过第一刺毛带与棉毛带粘合固定,第一端板与第二端板依次折弯设置在盒体的顶部实现盒体的密封;

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224715502U_ABST
    Figure CN224715502U_ABST
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Abstract

The utility model discloses a corrugated paperboard box that storage space can expand, including box body and positioning lid, the four side outer walls on the positioning lid all are fixedly connected with cotton wool area, the four side outer walls on the bottom of box body all are fixedly connected with the first barb area of corresponding cotton wool area, the both ends of top of box body all are fixedly connected with first end plate, the both sides of top of box body all are fixedly connected with second end plate, the outer side wall on the first end plate and second end plate all are fixedly connected with the second barb area of corresponding cotton wool area, this storage space can expand corrugated paperboard box, can utilize the box cover of box body as the edge board to increase the internal space of box body, simple structure, convenient operation is suitable for using widely.
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Description

Technical Field

[0001] This utility model relates to the field of corrugated cardboard box products, specifically a corrugated cardboard box with expandable storage space. Background Technology

[0002] Corrugated cardboard is a corrugated sheet formed by processing linerboard and corrugated rollers. It is generally divided into single-wall and double-wall corrugated cardboard. It is made by pulping straw pulp and waste paper using traditional methods to create a base paperboard similar to cardboard. This base paperboard is then mechanically rolled into a corrugated shape, and finally bonded to the linerboard using adhesives such as sodium silicate. Corrugated paper has been invented and used for over a hundred years, and it has advantages such as low cost, light weight, easy processing, high strength, excellent printability, and convenient storage and handling. With the rapid rise of the packaging and logistics industries, corrugated boxes have become increasingly popular due to their simple processing, convenience, practicality, and low cost, and are widely used in the storage, warehousing, and transportation of various goods. However, the internal space of existing corrugated cardboard boxes is limited by the factory, and the internal storage space cannot be changed when there is a temporary need to stack more items, which has certain drawbacks. Utility Model Content

[0003] The purpose of this invention is to provide a corrugated cardboard box with expandable storage space to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a corrugated cardboard box with expandable storage space, comprising a box body and a positioning cover, wherein cotton wool strips are fixedly connected to the four outer walls of the positioning cover, and first barbed strips corresponding to the cotton wool strips are fixedly connected to the four outer walls of the bottom of the box body, and first end plates are fixedly connected to both ends of the top of the box body, and second end plates are fixedly connected to both sides of the top of the box body, wherein second barbed strips corresponding to the cotton wool strips are fixedly connected to the outer walls of the first end plates and the second end plates.

[0005] Preferably, four rectangular positioning plates are fixedly connected inside the positioning cover.

[0006] Preferably, the cotton wool strip, the first barbed strip, and the second barbed strip are all strip-shaped.

[0007] Preferably, all four positioning plates are made of cardboard.

[0008] Preferably, the inner diameter of the positioning cover is larger than the diameter of the box body.

[0009] Compared with the prior art, the beneficial effects of this utility model are: This corrugated cardboard box with expandable storage space has a positioning cover set at the bottom of the box in the initial state. It is fixed by adhesive tape and cotton tape. The first end plate and the second end plate are bent in sequence and set at the top of the box to achieve the sealing of the box. This corrugated cardboard box with expandable storage space can vertically set the first end plate and the second end plate when expanding the box space. The vertical space is connected to the box space to increase the loading depth of the box. Then, the positioning cover is snapped on the top of the first end plate and the second end plate and glued to the cotton wool through the second barbed tape. The positioning cover acts as a sealing cover to achieve a seal. This corrugated cardboard box with expandable storage space can utilize the box lid as an edge plate to increase the internal space of the box. It has a simple structure, is easy to operate, and is suitable for widespread use. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the positioning cover of a corrugated cardboard box with expandable storage space according to the present invention, with the cover located at the bottom. Figure 2 This is a schematic diagram of the positioning cover of a corrugated cardboard box with expandable storage space according to the present invention. Figure 3 This is a schematic diagram showing the unfolded positioning plate of a corrugated cardboard box with expandable storage space according to the present invention. Figure 4 This is a schematic diagram of the bending of the positioning plate of a corrugated cardboard box with expandable storage space according to the present invention.

[0011] In the diagram: 1. Box body; 2. Positioning cover; 3. Cotton wool strip; 4. First barbed strip; 5. First end plate; 6. Second end plate; 7. Second barbed strip; 8. Positioning plate. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0013] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0014] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0015] Please see Figure 1-4 This utility model provides an embodiment of a corrugated cardboard box with expandable storage space, comprising a box body 1 and a positioning cover 2. Cotton wool strips 3 are fixedly connected to the four outer walls of the positioning cover 2. First barbed strips 4 corresponding to the cotton wool strips 3 are fixedly connected to the four outer walls of the bottom of the box body 1. First end plates 5 are fixedly connected to both ends of the top of the box body 1. Second end plates 6 are fixedly connected to both sides of the top of the box body 1. Second barbed strips 7 corresponding to the cotton wool strips 3 are fixedly connected to the outer walls of both the first end plates 5 and the second end plates 6. Specifically... In the initial state, the positioning cover 2 is set at the bottom of the box body 1 and is fixed by the first barbed strip 4 and the cotton strip 3. The first end plate 5 and the second end plate 6 are bent in sequence and set at the top of the box body 1 to achieve the sealing of the box body 1. When expanding the space of the box body 1, the first end plate 5 and the second end plate 6 can be set vertically. The vertical space is connected with the space of the box body 1 to increase the loading depth of the box body 1. Then, the positioning cover 2 is snapped on the top of the first end plate 5 and the second end plate 6 and is bonded to the cotton strip by the second barbed strip 7. The positioning cover 2 acts as a sealing cover to achieve the sealing.

[0016] In this embodiment, four rectangular positioning plates 8 are fixedly connected inside the positioning cover 2. When the positioning cover 2 is set on top, the positioning plates 8 can be bent to form a limiting groove with the inner wall of the positioning cover 2. The limiting groove engages with the first end plate 5 and the second end plate 6 to achieve limiting and fixing. The cotton wool strip 3, the first barbed strip 4 and the second barbed strip 7 are all strips. The four positioning plates 8 are all cardboard. The inner diameter of the positioning cover 2 is larger than the diameter of the box body 1.

[0017] Working principle: Initially, the positioning cover 2 is placed at the bottom of the box body 1 and is fixed by the first bristle strip 4 and the cotton strip 3. The first end plate 5 and the second end plate 6 are bent and placed at the top of the box body 1 to achieve the sealing of the box body 1. When expanding the space of the box body 1, the first end plate 5 and the second end plate 6 can be set vertically. The vertical space is connected with the space of the box body 1 to increase the loading depth of the box body 1. Then, the positioning cover 2 is snapped on the top of the first end plate 5 and the second end plate 6 and is bonded to the cotton strip by the second bristle strip 7. The positioning cover 2 acts as a sealing cover to achieve the sealing.

[0018] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A corrugated cardboard box with expandable storage space, comprising a box body (1) and a positioning cover (2), characterized in that: The positioning cover (2) is fixedly connected with cotton wool strips (3) on all four outer walls. The bottom four outer walls of the box body (1) are fixedly connected with first barbed strips (4) corresponding to the cotton wool strips (3). The top two ends of the box body (1) are fixedly connected with first end plates (5). The top two sides of the box body (1) are fixedly connected with second end plates (6). The outer walls of the first end plate (5) and the second end plate (6) are fixedly connected with second barbed strips (7) corresponding to the cotton wool strips (3).

2. The corrugated cardboard box with expandable storage space according to claim 1, characterized in that: The positioning cover (2) has four rectangular positioning plates (8) fixedly connected inside.

3. A corrugated cardboard box with expandable storage space according to claim 1, characterized in that: The cotton wool strip (3), the first barbed strip (4) and the second barbed strip (7) are all strip-shaped strips.

4. A corrugated cardboard box with expandable storage space according to claim 2, characterized in that: All four positioning plates (8) are made of cardboard.

5. A corrugated cardboard box with expandable storage space according to claim 1, characterized in that: The inner diameter of the positioning cover (2) is larger than the diameter of the box body (1).