Self-locking packaging carton

Abstract

The utility model discloses a self-locking type packaging carton which comprises a carton body and a carton cover, containing grooves are formed in the outer walls of the two sides of the top end of the carton body, a connecting groove is formed in the top of the carton body, a clamping plate is arranged in each containing groove, a connecting plate is fixedly connected in each connecting groove, and the connecting plate and the clamping plate are fixedly connected through a first bent plate. First bending plates are fixedly connected to the bottoms of the two sides of the box cover, first bending marks are arranged on the first bending plates, second bending plates are fixedly connected to the bottoms of the two sides of the box cover, second bending marks are arranged on the second bending plates, one ends of the second bending plates are fixedly connected with positioning plates, the positioning plates are arranged on the inner side of the box cover, and through holes are formed in the outer walls of the two sides of the box cover. Due to the arrangement of the self-locking structure, the box cover and the box body can be conveniently assembled and fixed, no brute force is needed during separation, and the packaging box is not prone to being damaged.

Description

Technical Field

[0001] The utility model relates to the field of products related to packaging boxes, and specifically relates to a self-locking packaging paper box. Background Technique

[0002] A packaging paper box is a box used to package products, and its basic structure and design are aimed at protecting products, facilitating transportation and enhancing the market attractiveness of products. There are various types of packaging paper boxes, including paper boxes and cardboard boxes, which are different in materials, sizes and shapes, but the common goal is to ensure the safety of products, protect the privacy of goods, and beautify goods through delicate designs and decorations to increase the competitiveness of goods;

[0003] In the existing packaging paper boxes, there is a lack of a locking mechanism between the box cover and the box body, and it is easy for the box cover and the box body to separate, resulting in the internal objects being easily dropped and damaged, which has defects. Content of the Utility Model

[0004] The purpose of the utility model is to provide a self-locking packaging paper box to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A self-locking packaging paper box, including a box body and a box cover. On both outer walls of the top end of the box body, receiving grooves are provided. A connecting groove is provided at the top of the box body. A clamping plate is provided in the receiving groove. A connecting plate is fixedly connected in the connecting groove. The connecting plate and the clamping plate are fixedly connected by a first bending plate. A first bending mark is provided on the first bending plate. Second bending plates are fixedly connected to both bottoms of the two sides of the box cover. A second bending mark is provided on the second bending plate. One end of the second bending plate is fixedly connected with a positioning plate. The positioning plate is arranged inside the box cover. Through holes are provided on both outer walls of the box cover.

[0006] Preferably, the connecting groove and the receiving groove are communicated with each other.

[0007] Preferably, the through hole is one of an oval shape, a heart shape or a circular shape.

[0008] Preferably, the through hole is arranged at the top position of the box cover.

[0009] Preferably, plastic films are provided on the outer side wall of the clamping plate and the inner side wall of the positioning plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The self-locking packaging paper box has a receiving groove on the box body for receiving a clamping plate. The clamping plate is fixed to a connecting plate through a first bending plate. One side of the connecting plate is fixed to the top of the connecting groove on the box body, which can cause the bottom end of the clamping plate in the receiving groove to remain tilted. The positioning plate is arranged inside the box cover through a second bending plate, and a trapezoid is formed between the end of the positioning plate away from the second bending plate and the inner wall of the box cover. When the box cover is buckled on the box body, the positioning plate will press against the clamping plate, and the clamping plate is compressed into the receiving groove through the bending on the first bending plate. When it is completely buckled, the clamping plate rebounds to the trapezoid between the positioning plate and the inner wall of the box cover, and the positioning plate is used to limit the clamping plate to realize the locking between the box cover and the box body. When separation is needed, the clamping plate can be pressed through the through hole to compress it into the receiving groove to realize the separation between the box cover and the box body. Through the setting of the self-locking structure, the present invention can facilitate the assembly and fixation between the box cover and the box body, and no brute force is required during separation, and it is not easy to cause damage to the packaging box. Brief Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of a self-locking packaging paper box of the present invention;

[0013] Figure 2 is a schematic structural diagram of the box body of a self-locking packaging paper box of the present invention;

[0014] Figure 3 is a schematic structural diagram of the box cover of a self-locking packaging paper box of the present invention.

[0015] In the figure: 1, box body; 2, box cover; 3, receiving groove; 4, connecting groove; 5, clamping plate; 6, connecting plate; 7, first bending plate; 8, second bending plate; 9, positioning plate; 10, through hole. Detailed Description of the Embodiment

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0017] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0019] Please refer to Figures 1-3 Figures 1-3 , an embodiment provided by the present utility model: a self-locking packaging paper box, including a box body 1 and a box cover 2. Accommodating grooves 3 are provided on the outer walls of both sides of the top end of the box body 1, a connection groove 4 is provided on the top of the box body 1, a clamping plate 5 is provided in the accommodating groove 3, a connecting plate 6 is fixedly connected in the connection groove 4, and the connecting plate 6 and the clamping plate 5 are fixedly connected through a first bending plate 7. A first bending mark is provided on the first bending plate 7. Second bending plates 8 are fixedly connected to both sides of the bottom of the box cover 2. Second bending marks are provided on the second bending plates 8. One end of the second bending plate 8 is fixedly connected with a positioning plate 9. The positioning plate 9 is arranged inside the box cover 2. Through holes 10 are provided on the outer walls of both sides of the box cover 2. Specifically, the accommodating groove 3 on the box body 1 is used to accommodate the clamping plate 5. The clamping plate 5 is fixed through the first bending plate 7 and the connecting plate 6. One side of the connecting plate 6 is fixedly connected to the top of the connection groove 4 on the box body 1, which can cause the clamping plate 5 to remain in a tilted state at the bottom end inside the accommodating groove 3. The positioning plate 9 is arranged inside the box cover 2 through the second bending plate 8, and a trapezoid is formed between the end of the positioning plate 9 away from the second bending plate 8 and the inner wall of the box cover 2. When the box cover 2 is buckled on the box body 1, the positioning plate 9 will press against the clamping plate 5, and the clamping plate 5 is compressed into the accommodating groove 3 through the bending mark on the first bending plate 7. When it is completely buckled, the clamping plate 5 rebounds to the trapezoid between the positioning plate 9 and the inner wall of the box cover 2, and the positioning plate 9 is used to limit the clamping plate 5, thereby realizing the locking between the box cover 2 and the box body 1. When separation is required, the clamping plate 5 can be pressed through the through hole 10 to be compressed into the accommodating groove 3 to realize the separation between the box cover 2 and the box body 1.

[0020] In this embodiment, the connection groove 4 and the accommodating groove 3 are communicated with each other; the through hole 10 is one of an oval shape, a heart shape or a circular shape; the through hole 10 is arranged at the top position of the box cover 2; plastic films are provided on the outer side wall of the clamping plate 5 and the inner side wall of the positioning plate 9 to reduce the frictional resistance during pressing.

[0021] Working principle: Firstly, the receiving groove 3 on the box body 1 is used to receive the clamping plate 5. The clamping plate 5 is fixed to the connecting plate 6 through the first bending plate 7. One side of the connecting plate 6 is fixed to the top of the connecting groove 4 on the box body 1, which can cause the clamping plate 5 to maintain a tilted state at the bottom end within the receiving groove 3. The positioning plate 9 is arranged on the inner side of the box cover 2 through the second bending plate 8, and a trapezoid is formed between the end of the positioning plate 9 far from the second bending plate 8 and the inner wall of the box cover 2. When the box cover 2 is buckled on the box body 1, the positioning plate 9 will press against the clamping plate 5, and the clamping plate 5 is compressed into the receiving groove 3 through the bending mark on the first bending plate 7. When it is completely buckled, the clamping plate 5 rebounds to the trapezoid between the positioning plate 9 and the inner wall of the box cover 2, and the positioning plate 9 is used to limit the clamping plate 5, thereby realizing the locking between the box cover 2 and the box body 1. When separation is required, the clamping plate 5 can be pressed through the through hole 10 to compress it into the receiving groove 3 to achieve the separation between the box cover 2 and the box body 1.

[0022] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A self-locking packaging paper box, comprising a box body (1) and a box cover (2), characterized in that: The outer walls on both sides of the top of the box body (1) are provided with accommodating grooves (3), the top of the box body (1) is provided with a connecting groove (4), a card plate (5) is provided in the accommodating groove (3), a connecting plate (6) is fixedly connected in the connecting groove (4), the connecting plate (6) and the card plate (5) are fixedly connected via a first bending plate (7), the first bending plate (7) is provided with a first bending mark, the bottom of both sides of the box cover (2) are fixedly connected with second bending plates (8), the second bending plates (8) are provided with a second bending mark, one end of the second bending plate (8) is fixedly connected with a positioning plate (9), the positioning plate (9) is arranged on the inner side of the box cover (2), and through holes (10) are provided on the outer walls on both sides of the box cover (2).

2. A self-locking packaging paper box according to claim 1, characterized in that: The connecting groove (4) and the containing groove (3) are arranged to communicate with each other.

3. The self-locking packaging paper box according to claim 1, characterized in that: The through hole (10) is one of an elliptical shape, a heart shape or a circular shape.

4. The self-locking packaging paper box according to claim 1, characterized in that: The through hole (10) is arranged at the top of the box cover (2).

5. The self-locking packaging paper box according to claim 1, characterized in that: Plastic films are provided on the outer side wall of the clamping plate (5) and the inner side wall of the positioning plate (9).

Images