Carton with locking structure

Abstract

The utility model relates to the field of cartons, and provides a carton with a locking structure, which comprises a carton main body, four positioning plates are annularly mounted above the outer wall of the carton main body, positioning holes are formed in the four positioning plates, a carton cover is arranged at the top of the carton main body, and a locking structure is arranged on the carton cover. The four edges of the box cover are fixedly connected with inserting plates matched with the positioning holes. The carton body is fixedly connected with the positioning plate, when the carton cover needs to be positioned, the carton cover drives the inserting plate, the inserting plate is matched with the positioning hole in the positioning plate, then the locking screw is rotated to make contact with the inserting plate, and therefore the carton cover is positioned and locked, the carton cover is prevented from being opened in the transportation process, and the carton cover is prevented from being damaged. And the specification of the isolation plate is larger than that of the bearing plate, the isolation plate made of synthetic resin materials is used for protecting the carton body and the bearing plate, and the safety performance of the bottom of the product is improved.

Description

Technical Field

[0001] The utility model relates to the field of cartons, in particular to a carton with a locking structure. Background Art

[0002] Carton (English carton or hard paper case): is the most widely used packaging product. According to different materials, there are corrugated paper boxes, single-layer cardboard boxes, etc., with various specifications and models. Commonly used cartons are three-layer and five-layer, and seven-layer is less used. Each layer is divided into lining paper, corrugated paper, core paper, and face paper. The lining and face paper are tea board paper and kraft paper, and the core paper is corrugated paper. The color and feel of each paper are different, and the paper (color and feel) produced by different manufacturers are also different.

[0003] When the existing cartons are in use, the carton covers are generally flipped together or stuck on the top of the carton, and the carton does not have a lock structure. When the carton shakes, the carton cover is easy to fall off and the items inside the carton are easy to spill out.

[0004] Therefore, it is necessary to provide a carton with a locking structure to solve the above technical problems. Utility Model Content

[0005] The utility model provides a carton with a locking structure, which solves the problem that the carton covers of the existing cars are generally turned together or stuck on the top of the carton when in use, and the carton has no locking structure. When the carton shakes, the carton cover is easy to fall off and the items inside the carton are easy to spill out.

[0006] In order to solve the above technical problems, the utility model provides a carton with a locking structure, including a carton body, a positioning plate is annularly installed above the outer wall of the carton body, and there are four positioning plates. Positioning holes are opened inside the four positioning plates. A box cover is provided on the top of the carton body, and the four sides of the box cover are fixedly connected with plug plates that are compatible with the positioning holes. A locking screw passes through the internal thread of the positioning plate, and the locking screw is in contact with the plug plate. A handle is fixedly connected at the top center of the box cover.

[0007] Preferably, a hollow plate is fixedly connected to the middle portion of the outer wall of the carton body, a U-shaped plate is fixedly connected to the outside of the hollow plate, and a plurality of U-shaped plates are provided.

[0008] Preferably, a load-bearing plate is fixedly connected to the bottom of the carton body, a groove is provided on the top of the load-bearing plate, and a protective plate is installed inside the groove.

[0009] Preferably, the protective plate is made of rubber material, and the thickness of the protective plate is between 3cm and 5cm.

[0010] Preferably, an isolation plate is bonded to the bottom of the load-bearing plate, the isolation plate is larger than the protective plate, and the isolation plate is made of synthetic resin material.

[0011] Compared with the related art, the carton with a locking structure provided by the utility model has the following advantages:

[0012] Beneficial effects:

[0013] The beneficial effects of the utility model are as follows: the carton body of the product is fixedly connected with the positioning plate. When the box cover needs to be positioned, the box cover drives the plug plate, and the plug plate is adapted to the positioning hole inside the positioning plate. Then the locking screw is rotated to make the locking screw contact with the plug plate, thereby realizing the positioning and locking of the box cover to prevent the box cover from opening during transportation, thereby preventing the items inside the carton body from spilling. The isolation plate is larger than the load-bearing plate. The carton body and the load-bearing plate are protected by the isolation plate made of synthetic resin material, so that the safety performance of the bottom of the product is improved, and it can effectively isolate moisture to prevent the bottom of the box from being damaged in rainy weather. The outer side of the carton body is reinforced by the hollow plate, and then the U-shaped plate is installed under the action of the hollow plate. The U-shaped plate is convenient for passing the rope through and also convenient for the user to manually pull the U-shaped plate, so that the user can move the carton body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a carton with a locking structure provided by the utility model;

[0015] Figure 2 for Figure 1 The schematic diagram of the exploded structure of the carton body shown;

[0016] Figure 3 for Figure 1 Schematic diagram of the protective plate installation structure is shown.

[0017] In the figure: 1. Carton body; 2. Positioning plate; 3. Locking screw; 4. Box cover; 5. Insert plate; 6. Handle; 7. Hollow plate; 8. U-shaped plate; 9. Load-bearing plate; 10. Groove; 11. Protective plate; 12. Isolation plate. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0019] Please refer to Figure 1 , Figure 2 and Figure 3 ,in Figure 1 A structural schematic diagram of a preferred embodiment of a carton with a locking structure provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the exploded structure of the carton body shown; Figure 3 for Figure 1 The schematic diagram of the protective plate installation structure shown is a carton with a locking structure, including a carton body 1, a positioning plate 2 is annularly installed on the outer wall of the carton body 1, and the number of the positioning plates 2 is four. The four positioning plates 2 are each provided with a positioning hole inside. A box cover 4 is provided on the top of the carton body 1, and the four sides of the box cover 4 are fixedly connected with plug plates 5 that are compatible with the positioning holes. A locking screw 3 is penetrated by the internal thread of the positioning plate 2, and the locking screw 3 is in contact with the plug plate 5. A handle 6 is fixedly connected at the top center of the box cover 4.

[0020] The carton body 1 is fixedly connected to the positioning plate 2. When the box cover 4 needs to be positioned, the box cover 4 drives the plug plate 5, and the plug plate 5 is adapted to the positioning hole inside the positioning plate 2. Then the locking screw 3 is rotated to make the locking screw 3 contact with the plug plate 5, thereby realizing the positioning and locking of the box cover 4 to prevent the box cover 4 from opening during transportation, thereby preventing the items inside the carton body 1 from spilling.

[0021] A hollow plate 7 is fixedly connected to the middle portion of the outer wall of the carton body 1 , and a U-shaped plate 8 is fixedly connected to the outside of the hollow plate 7 , and a plurality of U-shaped plates 8 are provided.

[0022] The outer side of the carton body 1 is reinforced by the hollow plate 7, and then the U-shaped plate 8 is installed under the action of the hollow plate 7. The U-shaped plate 8 is convenient for passing the rope and also convenient for the user to manually pull the U-shaped plate 8, so that the user can move the carton body 1.

[0023] A load-bearing plate 9 is fixedly connected to the bottom of the carton body 1, a groove 10 is formed on the top of the load-bearing plate 9, a protective plate 11 is installed inside the groove 10, and the protective plate 11 is made of rubber material with a thickness of 3cm-5cm.

[0024] The protective plate 11 is installed through the groove 10 inside the load-bearing plate 9. The protective plate 11 made of rubber material can prevent the goods from damaging the bottom of the carton body 1 and prevent the goods from falling.

[0025] An isolation plate 12 is bonded to the bottom of the load-bearing plate 9 . The isolation plate 12 is larger than the protective plate 11 and is made of a synthetic resin material.

[0026] The isolation plate 12 is larger than the load-bearing plate 9. The isolation plate 12 made of synthetic resin material protects the carton body 1 and the load-bearing plate 9, thereby improving the safety performance of the bottom of the product and effectively isolating moisture to prevent the bottom of the box from being damaged during rainy weather.

[0027] The working principle of a carton with a locking structure provided by the utility model is as follows;

[0028] The first step: installing the protective plate 11 through the groove 10 inside the load-bearing plate 9. The protective plate 11 made of rubber material can prevent the goods from damaging the bottom of the carton body 1 and prevent the goods from falling.

[0029] Step 2: The isolation board 12 is larger than the load-bearing board 9. The isolation board 12 made of synthetic resin material protects the carton body 1 and the load-bearing board 9, thereby improving the safety performance of the bottom of the product and effectively isolating moisture to prevent the bottom of the box from being damaged during rainy weather.

[0030] Step 3: Reinforce the outer side of the carton body 1 through the hollow plate 7, and then install the U-shaped plate 8 under the action of the hollow plate 7. The U-shaped plate 8 is convenient for passing the rope and also convenient for the user to manually pull the U-shaped plate 8, so that the user can move the carton body 1.

[0031] Step 4: The carton body 1 is fixedly connected to the positioning plate 2. When the box cover 4 needs to be positioned, the box cover 4 drives the plug plate 5, and the plug plate 5 is adapted to the positioning hole inside the positioning plate 2. Then the locking screw 3 is rotated to make the locking screw 3 contact with the plug plate 5, thereby realizing the positioning and locking of the box cover 4 to prevent the box cover 4 from opening during transportation, thereby preventing the items inside the carton body 1 from spilling.

[0032] Compared with the related art, the carton with a locking structure provided by the utility model has the following advantages:

[0033] Beneficial effects:

[0034] The carton body 1 of this product is fixedly connected to the positioning plate 2. When the box cover 4 needs to be positioned, the box cover 4 drives the plug plate 5, and the plug plate 5 is adapted to the positioning hole inside the positioning plate 2. Then the locking screw 3 is rotated to make the locking screw 3 contact with the plug plate 5, so as to realize the positioning and locking of the box cover 4, and prevent the box cover 4 from opening during transportation, thereby preventing the items inside the carton body 1 from spilling. The isolation plate 12 is larger than the load-bearing plate 9. The isolation plate 12 made of synthetic resin material is used to protect the carton body 1 and the load-bearing plate 9, so that the safety performance of the bottom of the product is improved, and it can effectively isolate moisture to prevent the bottom of the box from being damaged in rainy weather. The outer side of the carton body 1 is reinforced by the hollow plate 7, and then the U-shaped plate 8 is installed under the action of the hollow plate 7. The U-shaped plate 8 is convenient for passing the rope and also convenient for the user to manually pull the U-shaped plate 8, so that the user can move the carton body 1.

[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A carton with a locking structure, comprising a carton body (1), characterized in that: A positioning plate (2) is annularly installed above the outer wall of the carton body (1), and the number of the positioning plates (2) is four. The four positioning plates (2) are each provided with a positioning hole. A box cover (4) is provided on the top of the carton body (1), and the four sides of the box cover (4) are fixedly connected with plug plates (5) adapted to the positioning holes. A locking screw (3) passes through the internal thread of the positioning plate (2), and the locking screw (3) is in contact with the plug plate (5). A handle (6) is fixedly connected at the top center of the box cover (4).

2. A carton with a locking structure according to claim 1, characterized in that: A hollow plate (7) is fixedly connected to the middle portion of the outer wall of the carton body (1), and a U-shaped plate (8) is fixedly connected to the outside of the hollow plate (7), and a plurality of U-shaped plates (8) are provided.

3. A carton with a locking structure according to claim 2, characterized in that: A load-bearing plate (9) is fixedly connected to the bottom of the carton body (1), a groove (10) is provided on the top of the load-bearing plate (9), and a protective plate (11) is installed inside the groove (10).

4. A carton with a locking structure according to claim 3, characterized in that: The protective plate (11) is made of rubber material, and the thickness of the protective plate (11) is between 3 cm and 5 cm.

5. A carton with a locking structure according to claim 4, characterized in that: An isolation plate (12) is bonded to the bottom of the load-bearing plate (9), the isolation plate (12) is larger than the protective plate (11), and the isolation plate (12) is made of synthetic resin material.

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