Packaging box

Abstract

The utility model relates to the technical field of packaging, and discloses a packaging box which comprises a bottom plate, a first side plate, a cover plate and a second side plate, the first side plate and the second side plate are the same in width and are oppositely arranged, the bottom plate and the cover plate are the same in width and are oppositely arranged, and a front end plate and a rear end plate are arranged at the front end and the rear end of the cover plate respectively. The front and rear ends of the bottom plate are respectively provided with a front bonding plate and a rear bonding plate; the inner side of the front end plate is bonded with the outer side of the front bonding plate, and the inner side of the rear end plate is bonded with the outer side of the rear bonding plate; the cover plate and the front end plate are provided with tearing lines, the tearing lines comprise the two cover plate tearing lines and the front end plate tearing line, the two cover plate tearing lines extend in the front-back direction of the cover plate respectively, the front end plate tearing line is triangular, and the two ends of the front end plate tearing line are connected with the front ends of the corresponding cover plate tearing lines respectively. The packaging box is firm in structure and easy and convenient to produce, the cover plate is convenient and fast to open and close, and the opened packaging box is strong in stereoscopic impression and rich in dynamic sense.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging, in particular to a packaging box. Background Art

[0002] The packaging box is a three-dimensional shape, which is a cube formed by moving, stacking, folding and surrounding several surfaces. The packaging box is a large-volume type of packaging industrial products. The packaging box is usually made of paper boxes and is widely used as sales packaging for various products such as food, medicine, and electronics.

[0003] With the change of transportation methods and the transformation of sales methods, the styles of cartons and paper boxes are becoming more and more diversified. The openings of existing packaging boxes for taking out and putting out items need to be opened destructively, which makes it very cumbersome to take out the items in the packaging boxes. If the packaging boxes are not sealed after opening, the items in the packaging boxes will be contaminated by external dust, bacteria, etc., resulting in poor hygiene of the items in the packaging boxes, which is easy to cause certain health hazards to the human body. Utility Model Content

[0004] The utility model provides a packaging box with firm structure, simple production, convenient and quick opening and closing of a cover plate, and a strong three-dimensional sense and dynamic feeling of the packaging box after opening.

[0005] The above-mentioned purpose of the utility model is achieved through the following technical solutions:

[0006] A packaging box, comprising a bottom panel, a first side panel, a cover panel and a second side panel connected in sequence from end to end, the first side panel and the second side panel having the same width and being arranged opposite to each other, the bottom panel and the cover panel having the same width and being arranged opposite to each other, the front and rear ends of the cover panel being respectively provided with a front end panel and a rear end panel, the front and rear ends of the bottom panel being respectively provided with a front adhesive panel and a rear adhesive panel; the inner side of the front end panel is bonded to the outer side of the front adhesive panel for closing the front end of the packaging box, and the inner side of the rear end panel is bonded to the outer side of the rear adhesive panel for closing the rear end of the packaging box; tear lines are provided on the cover panel and the front end panel, the tear lines include a cover panel tear line and a front end panel tear line, the cover panel tear lines include two and extend respectively along the front and rear directions of the cover panel, the front end panel tear line is V-shaped, and the two ends of the front end panel tear line are respectively connected to the front ends of the corresponding cover panel tear lines.

[0007] In the above-mentioned packaging box, a side adhesive plate is provided at the side end of the bottom plate, and the side adhesive plate is adhesively connected to the inner side of the second side plate.

[0008] In the above-mentioned packaging box, the bottom of the tear line of the front end plate is provided with a U-shaped easy-tear portion protruding outward, and the front adhesive plate is provided with a socket corresponding to the easy-tear portion.

[0009] The above-mentioned packaging box, wherein the tear line is a strip formed by a perforation line.

[0010] In the above-mentioned packaging box, the front and rear ends of the first side panel and the front and rear ends of the second side panel are respectively provided with overlapping panels, and the outer sides of the overlapping panels are respectively bonded to the inner sides of the corresponding front adhesive panels and the inner sides of the rear adhesive panels.

[0011] In the above-mentioned packaging box, adhesive areas are respectively provided on the outer sides of the overlapping plates, the front adhesive plate and the rear adhesive plate.

[0012] In the above-mentioned packaging box, the adhesive areas of the front adhesive plate and the rear adhesive plate are close to one side of the bottom plate.

[0013] The above-mentioned packaging box, wherein an outward-turned portion is provided on the cover plate between the two cover plate tear lines, the outward-turned portion is close to the rear side of the cover plate, the edge of the outward-turned portion is the tear line, and the two ends of the outward-turned portion close to the first side panel and the second side panel are respectively provided with crease lines connected to the cover plate tear lines.

[0014] In the above-mentioned packaging box, the outward-turned portion is in the shape of a polygonal strip connected end to end, and the fold line is perpendicular to the tear line of the cover plate.

[0015] In the above-mentioned packaging box, the lengths of the two cover tear lines both extend to the front and rear ends of the cover.

[0016] In summary, the beneficial technical effects of the utility model are:

[0017] The utility model provides tear lines on the cover plate and the front end plate, so that the cover plate can be opened conveniently, and the articles in the packaging box can be taken out and placed conveniently, and the packaging box can be sealed again.

[0018] By providing an outward turning portion and a crease line on the cover plate, the three-dimensional and dynamic sense of the packaging box can be enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front unfolded structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model with the cover plate closed;

[0021] Figure 3 It is a structural schematic diagram of the utility model after the cover plate is opened.

[0022] As shown in the figure, 1. bottom plate; 11. front adhesive plate; 111. socket; 12. rear adhesive plate; 13. side adhesive plate; 2. first side plate; 3. cover plate; 31. front end plate; 32. rear end plate; 33. outward turning part; 34. crease line; 4. second side plate; 5. tear line; 51. cover plate tear line; 52. front end plate tear line; 521. easy-to-tear part; 6. overlapping plate; 7. adhesive area. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-3 The utility model is described in further detail.

[0024] like Figure 1 As shown, a packaging box comprises a bottom plate 1, a first side plate 2, a cover plate 3 and a second side plate 4 which are connected in sequence from head to tail, the first side plate 2 and the second side plate 4 have the same width and are arranged opposite to each other, the bottom plate 1 and the cover plate 3 have the same width and are arranged opposite to each other, the front and rear ends of the cover plate 3 are respectively provided with a front end plate 31 and a rear end plate 32, and the front and rear ends of the bottom plate 1 are respectively provided with a front adhesive plate 11 and a rear adhesive plate 12; the inner side of the front end plate 31 is bonded to the outer side of the front adhesive plate 11 for closing the front end of the packaging box, and the inner side of the rear end plate 32 is bonded to the outer side of the rear adhesive plate 12 for closing the rear end of the packaging box; tear lines 5 are provided on the cover plate 3 and the front end plate 31, the tear lines 5 include a cover plate tear line 51 and a front end plate tear line 52, the cover plate tear line 51 includes two and respectively extends along the front and rear directions of the cover plate 3, the front end plate tear line 52 is V-shaped with a larger upper part and a smaller lower part, and the two ends of the front end plate tear line 52 are respectively connected to the front ends of the corresponding cover plate tear line 51.

[0025] The width between the two cover tear lines 51 determines the size of the opening of the packaging box.

[0026] In order to facilitate the bonding between the bottom plate 1 and the second side plate 4, a side adhesive plate 13 is provided at the side end of the bottom plate 1, and the side adhesive plate 13 is bonded to the inner side of the second side plate 4. An adhesive area 7 is provided on the outer side of the side adhesive plate 13, and an adhesive such as double-sided tape or glue can be provided in the adhesive area 7.

[0027] In order to facilitate opening the cover plate 3 along the tear line 5 , a U-shaped tearable portion 521 protruding outward is provided at the bottom of the tear line 52 of the front end plate, and a socket 111 corresponding to the tearable portion 521 is provided on the front adhesive plate 11 .

[0028] like Figure 1 , 3As shown, after tearing the cover plate 3 from the easy-tear portion 521, the cover plate 3 is opened along the front end plate tear line 52 and the cover plate tear line 51 in sequence, so as to conveniently take out the items in the packaging box. After taking out the items, the easy-tear portion 521 can be inserted into the socket 111 on the front adhesive plate 11, and the easy-tear portion 521 is fixed to the front adhesive plate 11. After the cover plate 3 is opened, the packaging box can still be easily and quickly sealed, thereby ensuring the hygiene and safety of the items in the packaging box.

[0029] The tear line 5 of the present embodiment is a strip formed by a perforated line, which facilitates the tearing of the cover plate 3 and the front end plate 31 along the tear line 5 .

[0030] In one embodiment, in order to improve the bonding strength of the packaging box, overlapping plates 6 are respectively provided at the front and rear ends of the first side panel 2 and the front and rear ends of the second side panel 4, and the outer sides of the overlapping plates 6 are respectively bonded and connected to the inner sides of the corresponding front adhesive plates 11 and the inner sides of the rear adhesive plates 12.

[0031] The outer sides of the overlapping plates 6, the front adhesive plate 11 and the rear adhesive plate 12 are respectively provided with adhesive areas 7.

[0032] The adhesive area 7 can be provided with adhesives such as double-sided tape and glue.

[0033] like Figure 3 As shown, in order to prevent the opened cover plate 3 and the front end plate 31 from blocking the opened opening of the packaging box, the front end plate 31 opened along the tear line 5 can be inserted into the upper gap between the rear adhesive plate 12 and the rear end plate 32.

[0034] In order to prevent the front end panel 31 from entering the tear line 5 when being bonded to the front adhesive panel 11, thereby affecting the tearing of the tear line 5; and to facilitate the front end panel 31 opened along the tear line 5 to be conveniently inserted into the gap between the rear adhesive panel 12 and the rear end panel 32 after the cover panel 3 is opened, the adhesive area 7 of the front adhesive panel 11 and the rear adhesive panel 12 is set on the side close to the bottom panel 1.

[0035] like Figure 1 , 2 As shown, an outward turning portion 33 is provided on the cover plate 3 between the two cover plate tear lines 51, the outward turning portion 33 is close to the rear side of the cover plate 3, the outer edge of the outward turning portion 33 is the tear line 5, and the two ends of the outward turning portion 33 close to the first side panel 2 and the second side panel 4 are respectively provided with crease lines 34 connected to the cover plate tear lines 51, that is, the two ends of the outward turning portion 33 are respectively connected to the corresponding cover plate tear lines 51 through the crease lines 34.

[0036] The outward-turned portion 33 is torn open through the tear line 5 at the outer edge thereof, and the cover plate 3 is folded inward along the crease line 34 , so that the outward-turned portion 33 can protrude.

[0037] The outward-turned portion 33 is in the shape of a polygonal strip connected end to end, and the fold line 34 is perpendicular to the tear line 51 of the cover plate.

[0038] The provision of the outward turning portion 33 can enhance the three-dimensional sense when the packaging box is opened and improve the dynamic sense of the packaging box.

[0039] The lengths of the two cover plate tear lines 51 of this embodiment both extend to the front and rear ends of the cover plate 3 .

[0040] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A packaging box, comprising a bottom plate, a first side plate, a cover plate and a second side plate connected end to end, characterized in that: The first side panel and the second side panel have the same width and are arranged opposite to each other, the bottom panel and the cover panel have the same width and are arranged opposite to each other, the front and rear ends of the cover panel are respectively provided with a front end panel and a rear end panel, and the front and rear ends of the bottom panel are respectively provided with a front adhesive panel and a rear adhesive panel; the inner side of the front end panel is bonded to the outer side of the front adhesive panel to close the front end of the packaging box, and the inner side of the rear end panel is bonded to the outer side of the rear adhesive panel to close the rear end of the packaging box; tear lines are provided on the cover panel and the front end panel, the tear lines include a cover panel tear line and a front end panel tear line, the cover panel tear lines include two and extend respectively along the front and rear directions of the cover panel, the front end panel tear line is V-shaped, and the two ends of the front end panel tear line are respectively connected to the front ends of the corresponding cover panel tear lines.

2. The packaging box according to claim 1, characterized in that: A side adhesive plate is provided at the side end of the bottom plate, and the side adhesive plate is adhesively connected to the inner side of the second side plate.

3. The packaging box according to claim 1, characterized in that: A U-shaped easy-tear portion protruding outward is provided at the bottom of the tear line of the front end plate, and a socket corresponding to the easy-tear portion is provided on the front adhesive plate.

4. The packaging box according to claim 1, characterized in that: Overlapping plates are respectively provided at the front and rear ends of the first side plate and the front and rear ends of the second side plate, and the outer sides of the overlapping plates are respectively bonded and connected to the inner sides of the corresponding front adhesive plates and the inner sides of the rear adhesive plates.

5. The packaging box according to claim 4, characterized in that: The outer sides of the overlapping plates, the front adhesive plate and the rear adhesive plate are respectively provided with adhesive areas.

6. The packaging box according to claim 5, characterized in that: The adhesive areas of the front adhesive plate and the rear adhesive plate are close to one side of the bottom plate.

7. The packaging box according to claim 1, characterized in that: An outward turning portion is provided on the cover plate between the two cover plate tear lines, the outward turning portion is close to the rear side of the cover plate, the edge of the outward turning portion is the tear line, and crease lines connected to the cover plate tear lines are respectively provided at both ends of the outward turning portion close to the first side plate and the second side plate.

8. The packaging box according to claim 7, characterized in that: The outward-turned portion is in the shape of a polygonal strip connected end to end, and the fold line is perpendicular to the tear line of the cover plate.

9. The packaging box according to claim 1 or 7, characterized in that: The tear line is a strip formed by a perforation line.

10. The packaging box according to claim 1, characterized in that: The lengths of the two cover plate tear lines both extend to the front and rear ends of the cover plate.

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