Hollow plate packaging box convenient to open and close

Abstract

The utility model relates to the technical field of packaging boxes, and discloses a hollow plate packaging box convenient to open and close, which comprises a box body, a support frame is mounted at the upper end of the outer surface of the box body, a storage cavity is formed in the right end of the upper surface of the support frame, and a storage rod is rotatably connected to the rear surface of the interior of the storage cavity. Protective cloth is wound on the outer portion of the storage rod, a positioning disc is installed on the portion, located on the front side of the supporting frame, of the outer portion of the storage rod, and a positioning mechanism is arranged on the portion, located on the left side of the storage rod, of the front surface of the supporting frame. The protective cloth is folded by rotating the storage rod clockwise, the protective cloth is prevented from being scattered in the storage cavity, and then the protective cloth is prevented from wrinkling after long-term storage; and a positioning bolt in the positioning mechanism is screwed in a positioning groove to fix the storage rod, so that the storage rod cannot rotate when not needing to rotate, a fixing bolt in the fixing mechanism is rotated to drive a fixing plate to descend, the protective cloth is pressed on the box body, and the sealing performance of the protective cloth to the opening of the box body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packing boxes, in particular to a hollow board packing box which is convenient to open and close. Background Technique

[0002] The hollow board packing box, also known as the PP honeycomb board box or the plastic corrugated box, is a kind of packing material widely used in the fields of industry, logistics, warehousing, etc.; there are many inconveniences in the use of the existing packing boxes, that is, the opening and closing of the cover plate are more troublesome, and after the cover plate is opened, it is necessary to place the cover plate on one side, or the cover plate is connected to one side of the cardboard box (when the cover plate and the cardboard box are hinged), both of which need to occupy a certain space, so there is room for improvement.

[0003] The Chinese patent discloses a hollow board packing box which is convenient to open and close (authorization publication number CN208412505U). The plastic covering film of this patented technology can be folded. When it is necessary to close the opening of the box body, the side of the plastic covering film connected with hook one is pulled towards the side of hook two, so that hook one is hooked on hook two; on the contrary, only need to disconnect hook one and hook two, and pull the plastic covering film towards the side of the storage groove, this process is simple to operate, which is convenient for the user to open or close the opening of the box body; at the same time, the plastic film covering can be stored in the storage groove, which is convenient for the collection and use of the plastic covering film, and reduces the occupation of its space;

[0004] However, it has certain disadvantages: when the plastic covering film is not in use, it is directly scattered in the storage groove. After a long time, the plastic covering film is easy to produce wrinkles, which not only affects the appearance, but also causes damage to the plastic covering film and shortens its service life; moreover, the plastic covering film naturally fits the upper surface of the box frame and cannot fit tightly against the upper surface of the box frame, so the sealing performance is insufficient, and it is easy for external factors such as dust, moisture, insects, etc. to invade the inside of the box body and cause damage to the stored items. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hollow board packing box which is convenient to open and close, so as to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A hollow board packing box that is convenient for opening and closing, including a box body. At the upper end position of the outer surface of the box body, a support frame is installed. At the right end of the upper surface of the support frame, a storage cavity is opened. On the left side surface of the support frame, a plurality of support columns are installed. At the rear surface inside the storage cavity, a storage rod is rotatably connected. A protective cloth is wound around the outer part of the storage rod. One end of the protective cloth is installed with an elastic cloth. A plurality of support holes are opened inside the elastic cloth. Outside the storage rod and at the front side of the support frame, a positioning disk is installed. On the front surface of the positioning disk and outside the storage rod, a plurality of positioning grooves are evenly opened. On the front surface of the support frame and on the left side of the storage rod, a positioning mechanism is provided.

[0008] As a further scheme of the present utility model: The positioning mechanism includes a positioning plate. A positioning rod penetrates and is connected through the left end of the positioning plate, and a positioning bolt penetrates and is threadedly connected through the right end of the positioning plate.

[0009] As a further scheme of the present utility model: On the front and rear side surfaces of the support frame, a fixing mechanism is provided. The fixing mechanism includes a fixing frame. A fixing bolt penetrates and is threadedly connected through the upper surface of the fixing frame. The lower end of the fixing bolt is rotatably connected with a fixing plate.

[0010] As a further scheme of the present utility model: The storage rod movably penetrates through the front surface of the support frame. The number of the support holes is equal to that of the support columns.

[0011] As a further scheme of the present utility model: The rear end of the positioning rod is installed on the front surface of the support frame. The rear end of the positioning bolt is threadedly connected inside a positioning groove.

[0012] As a further scheme of the present utility model: The lower end of the fixing frame is installed on one side surface of the support frame. The fixing plate is located above the support frame, and the left and right ends of the fixing plate are slidably connected to the left and right side surfaces inside the fixing frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. By rotating the storage rod clockwise to retract the protective cloth, the present utility model avoids the protective cloth being scattered in the storage cavity, and further avoids the protective cloth from generating wrinkles after a long time. The positioning bolt in the positioning mechanism is screwed into the positioning groove to fix the storage rod, so that the storage rod will not rotate when it does not need to rotate.

[0015] 2. By providing a fixing mechanism, rotating the fixing bolt in the fixing mechanism drives the fixing plate to descend, thereby pressing the protective cloth against the box body, and further improving the sealing performance of the protective cloth for the opening of the box body. Description of the Drawings

[0016] Figure 1Schematic diagram of the structure of a hollow board packing box facilitating opening and closing;

[0017] Figure 2 is Figure 1 an enlarged view of A in;

[0018] Figure 3 is Figure 1 an enlarged view of B in;

[0019] Figure 4 Schematic diagram of the structure of the positioning mechanism in a hollow board packing box facilitating opening and closing;

[0020] Figure 5 Schematic diagram of the structure of the fixing mechanism in a hollow board packing box facilitating opening and closing.

[0021] In the figure: 1, box body; 2, support frame; 3, storage cavity; 4, support column; 5, storage rod; 6, protective cloth; 7, elastic cloth; 8, support hole; 9, positioning disc; 10, positioning groove; 11, positioning mechanism; 12, positioning plate; 13, positioning rod; 14, positioning bolt; 15, fixing mechanism; 16, fixing frame; 17, fixing bolt; 18, fixing plate. Specific embodiments

[0022] Please refer to Figures 1 to 4 , in the embodiment of the present utility model, a hollow board packing box facilitating opening and closing includes a box body 1. A support frame 2 is installed at the upper end position of the outer surface of the box body 1. A storage cavity 3 is opened at the right end of the upper surface of the support frame 2. A plurality of support columns 4 are installed on the left side surface of the support frame 2. The rear surface inside the storage cavity 3 is rotatably connected to a storage rod 5. The storage rod 5 movably penetrates through the front surface of the support frame 2. A protective cloth 6 is wound around the outside of the storage rod 5. One end of the protective cloth 6 is installed with an elastic cloth 7. A plurality of support holes 8 are opened inside the elastic cloth 7. The number of the support holes 8 is equal to that of the support columns 4. A positioning disc 9 is installed on the outside of the storage rod 5 at the front side of the support frame 2. A plurality of positioning grooves 10 are evenly opened on the front surface of the positioning disc 9 outside the storage rod 5. A positioning mechanism 11 is arranged on the front surface of the support frame 2 on the left side of the storage rod 5. The positioning mechanism 11 includes a positioning plate 12. The left end of the positioning plate 12 is penetrated and connected with a positioning rod 13. The rear end of the positioning rod 13 is installed on the front surface of the support frame 2. The right end of the positioning plate 12 is penetrated and threadedly connected with a positioning bolt 14. The rear end of the positioning bolt 14 is threadedly connected inside one of the positioning grooves 10;

[0023] The protective cloth 6 is wound around the outside of the storage rod 5, and one end thereof is connected to the outer surface of the storage rod 5;

[0024] After the protective cloth 6 is completely released from the outside of the storage rod 5, the elastic cloth 7 needs to be tightened so that the support hole 8 is sleeved on the outside of the support column 4. At this time, the protective cloth 6 is in a taut state and fits on the upper surface of the box body 1, thereby closing the opening of the box body 1;

[0025] The material of the elastic cloth 7 is preferably rubber;

[0026] Rotating the storage rod 5 clockwise can store the protective cloth 6, avoiding the protective cloth 6 being directly scattered in the storage cavity 3 and generating wrinkles over time;

[0027] After the positioning bolt 14 is threadedly connected to a positioning groove 10, the positioning disk 9 can be fixed, so that the storage rod 5 will not rotate when it does not need to rotate.

[0028] In Figure 1 and Figure 5 : Fixed mechanisms 15 are provided on both the front and rear side surfaces of the support frame 2. The fixed mechanism 15 includes a fixed frame 16. The lower end of the fixed frame 16 is installed on one side surface of the support frame 2. A fixing bolt 17 is threadedly connected through the upper surface of the fixed frame 16. The lower end of the fixing bolt 17 is rotatably connected to a fixing plate 18. The fixing plate 18 is located above the support frame 2, and the left and right ends of the fixing plate 18 are slidably connected to the left and right side surfaces inside the fixed frame 16;

[0029] Rotating the fixing bolt 17 can drive the fixing plate 18 to descend, thereby pressing the protective cloth 6 against the upper surface of the box body 1 and improving the sealing performance of the protective cloth 6.

[0030] The working principle of the present utility model is as follows: When in use, pull the protective cloth 6 to pull it out of the storage cavity 3, and then pull the elastic cloth 7 forcefully so that the support hole 8 is sleeved on the outside of the support column 4, thereby closing the opening of the box body 1; Then, rotate the fixing bolt 17 to drive the fixing plate 18 to descend, thereby pressing the protective cloth 6 against the upper surface of the box body 1; When it is necessary to open the opening of the box body 1, rotate the storage rod 5 clockwise to store the protective cloth 6. After storing, rotate the positioning bolt 14 to threadedly connect it to the positioning groove 10, thereby fixing the storage rod 5.

[0031] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

[0032] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection" and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may 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 situations.

Claims

1. A hollow board packing box that is convenient to open and close, comprising a box body (1), a support frame (2) is installed at the upper end position of the outer surface of the box body (1), and a storage cavity (3) is opened at the right end of the upper surface of the support frame (2), characterized in that, A plurality of support columns (4) are installed on the left side surface of the support frame (2). A storage rod (5) is rotatably connected to the rear surface inside the storage cavity (3). A protective cloth (6) is wound around the outer portion of the storage rod (5). One end of the protective cloth (6) is provided with an elastic cloth (7). A plurality of support holes (8) are formed inside the elastic cloth (7). A positioning disc (9) is installed on the outer portion of the storage rod (5) at the front side of the support frame (2). A plurality of positioning grooves (10) are evenly formed on the front surface of the positioning disc (9) outside the storage rod (5). A positioning mechanism (11) is arranged on the front surface of the support frame (2) to the left of the storage rod (5).

2. The hollow board packing box that is convenient to open and close according to claim 1, wherein, The positioning mechanism (11) includes a positioning plate (12). A positioning rod (13) is connected through the left end of the positioning plate (12), and a positioning bolt (14) is connected through the right end of the positioning plate (12) in a threaded manner.

3. A hollow board packaging box that is convenient to open and close according to claim 1, characterized in that, Fixing mechanisms (15) are arranged on both the front and rear side surfaces of the support frame (2). The fixing mechanism (15) includes a fixing frame (16). A fixing bolt (17) is connected through the upper surface of the fixing frame (16) in a threaded manner. The lower end of the fixing bolt (17) is rotatably connected to a fixing plate (18).

4. A hollow board packaging box that is convenient to open and close according to claim 1, wherein, The storage rod (5) movably penetrates through the front surface of the support frame (2). The number of the support holes (8) is equal to that of the support columns (4).

5. The hollow board packaging box that is convenient to open and close according to claim 2, wherein, The rear end of the positioning rod (13) is installed on the front surface of the support frame (2). The rear end of the positioning bolt (14) is connected in a threaded manner inside one of the positioning grooves (10).

6. The hollow board packaging box that is convenient to open and close according to claim 3, wherein The lower end of the fixing frame (16) is installed on one side surface of the support frame (2). The fixing plate (18) is located above the support frame (2), and the left and right ends of the fixing plate (18) are slidably connected to the left and right side surfaces inside the fixing frame (16).

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