CN211443085U

CN211443085U - Plastic packing box

Info

Publication number: CN211443085U
Application number: CN201922189726.5U
Authority: CN
Inventors: 谢福明; 邓夏莲; 周爱钧
Original assignee: Shenzhen Xiedali Printing And Packaging Products Co ltd
Current assignee: Shenzhen Xiedali Printing And Packaging Products Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-08
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to a plastic packaging box, including bottom surface, lateral wall, leaf piece and outer leaf piece in the edge fixedly connected with on the lateral wall, all be provided with the crease that is on a parallel with the bottom surface on interior leaf piece and the outer leaf piece to the crease is border, go up the leaf piece and divide into apical part and the top buckling part of below, interior leaf piece is provided with the open slot, outer leaf piece is provided with the closed groove, when plastic packaging box closed condition, four apical parts form the plane that is on a parallel with the bottom surface, wherein interior leaf piece is under, buckling part hugs closely, the open slot coincidence, outer leaf piece is last, the closed groove strides over on the buckling part joint and the open slot of interior leaf piece, four buckling parts all are in the same place perpendicular to bottom surface and joint this moment. The utility model discloses have kaifeng convenient effect, when needing to kaifeng, only need the outer leaf piece of hand power, pull out it from the open slot, open again the interior leaf piece can, very convenient.

Description

Plastic packing box

Technical Field

The utility model belongs to the technical field of plastic packaging box's technique and specifically relates to a plastic packaging box is related to.

Background

With the increasing internationalization of China, the position of Christmas in the Chinese young people group is not inferior to that of the traditional festival, many young people can send an apple with the meaning of 'safe and safe' to the interested people at safe night, and the plastic packaging box is transparent and portable and is the first choice for being used as an apple packaging box.

As shown in fig. 1, the current plastic packing box includes a sidewall 1, a bottom surface and a top surface, and the main sealing manner of the plastic packing box is to cover the top surface and then seal the top surface with an adhesive tape 6.

The above prior art solutions have the following drawbacks: the plastic box sealed by the adhesive tape needs to be torn off first when being unsealed, and sometimes tools such as scissors are needed, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic packaging box, which has the advantages of convenient opening.

The above object of the present invention is achieved by the following technical solutions: a plastic packing box comprises a bottom surface and four rectangular side walls, wherein upper leaves are fixedly connected to upper edges of the side walls and comprise a first upper leaf, a second upper leaf, a third upper leaf and a fourth upper leaf which are arranged clockwise, the first upper leaf and the third upper leaf are inner leaves, the second upper leaf and the fourth upper leaf are outer leaves, creases parallel to the bottom surface are arranged on the inner leaves and the outer leaves, the creases are used as boundaries, the upper leaves are divided into a top surface part close to the upper edges and a buckling part far away from the upper edges, when the upper leaves are folded towards the box along the upper edges, the two opposite top surface parts are abutted to form a plane parallel to the bottom surface, the two opposite buckling parts are tightly attached to and perpendicular to the bottom surface, open grooves are formed in the direction perpendicular to the creases on the upper sides of the buckling parts on the inner leaves, closed grooves are formed in the direction perpendicular to the creases on the outer leaves, the two ends of the sealing groove extend to the top surface part and the buckling part respectively, and the length of the sealing groove is greater than the height of the buckling part of the inner leaf.

By adopting the technical scheme, when the plastic packaging box is in a closed state, the four top surface parts form a plane parallel to the bottom surface, the inner leaf is arranged below, the buckling parts are tightly attached, the open grooves are overlapped, the outer leaf is arranged above, the closed groove strides over the buckling parts of the inner leaf to be clamped and connected with the open grooves, the four buckling parts are perpendicular to the bottom surface and clamped and connected together, when the plastic packaging box needs to be unsealed, the outer leaf only needs to be pulled by hand to be pulled out of the open grooves, and then the inner leaf is opened, so that the plastic packaging box is very convenient.

The utility model discloses can further configure into: the top surface part of the outer sheet is limited on the top surface part of the inner sheet through a buckle structure.

Through adopting above-mentioned technical scheme, the top surface portion of outer page or leaf is spacing by the card tying structure, and the top surface structure that enables plastic packaging box is more firm, reduces the possibility that outer page or leaf breaks away from interior page or leaf piece in the use.

The utility model discloses can further configure into: buckle structure includes cramp and bump, the crease both sides of piece including the cramp sets up, the cramp both ends are connected respectively the apical part and the buckling parts of crease both sides, the cramp equals half of closed slot width to the distance of crease with the tie point of apical part, be provided with the crease that is on a parallel with the crease on the cramp, the crease equals half of closed slot width to the distance of buckling parts, the cramp uses the crease to divide as the boundary and is connected the first piece of apical part and the second piece of connecting buckling parts, the bump sets up on the first piece.

By adopting the technical scheme, the buckle piece is used as the buckle structure, so that the cost is low; when the plastic packaging box seals, the open angle of the crease is a right angle, the first sheet is perpendicular to the top surface part, the sealing groove can be just clamped on the first sheet, the salient points prevent the outer sheet from sliding out of the first sheet, so that the structure of the top surface is very firm, when the plastic packaging box needs to be unfolded and stored, the buckle piece can be tightly attached to the upper sheet, the thickness is basically not occupied, and the storage is convenient.

The utility model discloses can further configure into: the second piece is a solid cambered surface, and the cambered surface protrudes towards one side far away from the crease.

By adopting the technical scheme, when the plastic packaging box is sealed, the sealing groove can be smoother when passing through the buckle sheet.

The utility model discloses can further configure into: the first upper leaf and the third upper leaf are both provided with two buckling pieces, and the two buckling pieces are arranged in an axisymmetric manner by taking a straight line where the open groove is located.

Through adopting above-mentioned technical scheme, both sides are all by spacing when sealing the groove joint, prevent its left and right sides skew, further stabilize the structure of top surface.

The utility model discloses can further configure into: the buckling part is in a heart shape with a sharp part at the lower end cut off, the top surface part is in a trapezoid shape, the lower bottom of the trapezoid is overlapped with the lower edge of the side wall, and the upper bottom of the trapezoid is connected with the heart-shaped cut of the buckling part.

By adopting the technical scheme, the upper half part of the heart shape is the arc edge, so that the sliding resistance of the sealing groove on the buckling part of the inner leaf is smaller, and the plastic packaging box is further convenient to unseal and close; the top surface part is trapezoidal, so that the sealed top surface is not too bloated.

The utility model discloses can further configure into: the bottom surface is provided with an inner support, the periphery of the inner support is attached to the side wall, and the middle of the inner support is downward formed into a bowl-shaped placing groove.

By adopting the technical scheme: because the plastic packaging box is mainly used for containing apples, the inner support which is downwards formed into a bowl shape is placed on the ground, so that the apples can be effectively prevented from inclining.

The utility model discloses can further configure into: the edge is connected with four lower leaf pieces respectively under the lateral wall, lower leaf piece includes the fillet inserted sheet of a spill piece, a convex piece and two subtend settings, the spill piece a convex piece and two the fillet inserted sheet that the subtend setting is pegged graft each other and is constituteed the bottom surface.

By adopting the technical scheme: when the bottom surface is assembled, the box body is inverted, the fillet inserting sheet is inserted into the lower part of the concave sheet, the convex sheet is inserted between the fillet inserting sheet and the concave sheet, the assembly is convenient, and each lower sheet is limited by at least two lower sheets and is very firm.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the top surface structure of the plastic packaging box is very ingenious, and a user only needs to pull the outer leaf out of the open slot and open the inner leaf when unsealing, so that the plastic packaging box is very convenient;

2. the buckle structure is simple and effective in arrangement, so that the top of the box is very stable, and the buckle sheet does not occupy thickness basically when being stored;

3. the inner support in the box can prevent the apple from inclining;

4. the box bottom is convenient to assemble and stable in structure.

Drawings

FIG. 1 is a schematic view of a prior art plastic package;

fig. 2 is an expanded schematic view of the plastic packaging box of the present invention;

FIG. 3 is a schematic view of the clamping process of the top surface of the plastic packing box;

fig. 4 is a schematic view of the sealing state of the plastic packaging box of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a schematic view of the bottom of the plastic packing box.

Reference numerals: 1. a side wall; 11. an upper edge; 12. a lower edge; 13. sticking edges; 14. a lateral edge; 15. an inner support; 16. a placement groove; 21. an inner sheet; 22. an outer sheet; 23. a top surface portion; 24. a buckling part; 25. an open slot; 26. closing the groove; 3. folding; 4. buckling pieces; 41. a first sheet; 42. a second sheet; 43. performing folding printing; 44. salient points; 51. a concave piece; 52. a male tab; 53. a fillet inserting sheet; 6. an adhesive tape.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, the plastic packing box comprises four side walls 1, wherein an upper leaf is fixedly connected to an upper edge 11 of each side wall 1, a lower leaf is connected to a lower edge 12, the four upper leaves form a top surface through clamping, and the four lower leaves form a bottom surface through clamping.

The side walls 1 are connected in series by means of side edges 14, and the side edge 14 of the last side wall 1 is connected with an adhesive edge 13 for fixedly connecting the first side wall 1.

Referring to fig. 3, the upper sheet is divided into an inner sheet 21 at the lower side during clamping and an outer sheet 22 at the upper side during clamping, a transverse fold 3 is arranged on the upper sheet, a part close to the upper edge 11 with the fold 3 as a boundary is a top surface part 23, and a part far away from the upper edge 11 is a buckling part 24. The top surface portion 23 is an isosceles trapezoid, the lower bottom of the trapezoid coincides with the upper edge 11 of the side wall 1, the length of the upper bottom and the height of the trapezoid are half of the length of the lower bottom, so that the top surface portion 23 is not too bloated when forming the top surface, when the inner leaf 21 is folded inwards along the upper edge 11, the two top surface portions 23 just abut against each other and form a plane parallel to the bottom surface, and the buckling portion 24 is tightly attached. The buckling part 24 is in a heart shape with the lower part of the tip cut off, and the arc edge of the heart shape can enable the outer leaf 22 to be smoother when passing through the buckling part 24, so that the plastic packaging box is convenient to unseal.

An open slot 25 perpendicular to the direction of the crease 3 is arranged on the middle line of the buckling part 24 of the inner sheet 21, the opening direction is far away from the crease 3, the length of the open slot is half of the length of the middle line of the buckling part 24, a closed slot 26 perpendicular to the direction of the crease 3 is arranged on the middle line of the outer sheet 22, and the length of the closed slot 26 is twice of the length of the open slot 25.

Referring to fig. 4, when the plastic packing box is in a closed state, the four top surface portions 23 form a plane parallel to the bottom surface, wherein the inner sheet 21 is positioned below, the fastening portions 24 are tightly attached, the outer sheet 22 is positioned above, the closing groove 26 crosses the fastening portions 24 of the inner sheet 21 and is fastened on the inner sheet 21, at this time, the four fastening portions 24 are all perpendicular to the bottom surface and are fastened together, when unsealing is needed, the outer sheet 22 is pulled out from the opening groove 25 by hand only (as shown in fig. 3), and then the inner sheet 21 is opened, which is very convenient.

Referring to fig. 5, the top surface 23 of the inner sheet 21 has a snap structure, which includes a buckle 4 disposed on both sides of the fold 3 of the inner sheet 21 and a convex point 44 disposed on the buckle 4. The fastening sheet 4 is provided with a crease 43 parallel to the top surface portion 23, dividing the fastening sheet 4 into a first sheet 41 and a second sheet 42. Other end fixed connection that the crease 43 was kept away from to first piece 41 is on apical part 23, the distance of connecting wire and crease 3 is half of closed slot 26 width, the other end fixed connection that the crease 43 was kept away from to second piece 42 is on buckling part 24, the connecting wire equals the height of first piece 41 with buckling part 24's distance, buckle piece 4 is the right angle when can making folding packaging box encapsulated situation through this kind of connection, first piece 41 just in time blocks closed slot 26, when the folding packaging box is accomodate to the trade company, buckle piece 4 can hug closely in last page or leaf piece, convenient storage. The first piece 41 is fixedly connected with a salient point 44 for limiting the top surface part 23 of the outer sheet 22 below the salient point 44. The upper surface of the second piece 42 is curved to facilitate the passage of the closed slot 26 past the second piece 42.

Referring to fig. 1, four lower leaves are respectively connected to the lower edge 12, and each lower leaf includes a concave leaf 51, a convex leaf 52 and two opposite rounded corner insertion leaves 53.

Referring to fig. 6, when the bottom surface needs to be assembled, the plastic packaging box is firstly inverted, the concave piece 51 is folded inwards, the fillets of the two fillet inserting pieces 53 are inserted into the lower part of the groove of the concave piece 51, and finally the convex piece 52 is inserted between the fillet inserting pieces 53 and the concave piece 51, so that each lower sheet is limited by at least two lower sheets and is very firm.

Referring to fig. 4, the inner support 15 is placed on the bottom surface of the plastic packaging box, the inner support 15 is attached to the side wall 1 all around, the middle of the inner support 15 is downward formed into a bowl-shaped placing groove 16, and the inner support 15 with the placing groove 16 can effectively prevent the apple from inclining because the plastic packaging box is mainly used for packaging the apple.

The implementation principle of the embodiment is as follows: as shown in the assembled plastic packing box of fig. 4, when the user uses the packing box, firstly the outer leaf 22 is pulled out from the open slot 25, then the inner leaf 21 is opened, the apple is put into the box, then the inner leaf 21 is folded towards the box along the upper edge 11 until the two top surface parts 23 are mutually butted, the open slot 25 is overlapped, then the outer leaf 22 is folded towards the box along the upper edge 11, the closed slot 26 is snapped into the open slot 25 through the buckling part 24 of the inner leaf 21, and is continued downwards until the sound that the closed slot 26 slides over the salient point 44 is heard, the whole top surface is assembled, and the gift-receiving person only needs to repeat the unsealing operation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A plastic packaging box comprises a bottom surface and four rectangular side walls (1), and is characterized in that: the upper edge (11) of the side wall (1) is fixedly connected with an upper sheet, the upper sheet comprises a first upper sheet, a second upper sheet, a third upper sheet and a fourth upper sheet which are arranged clockwise, the first upper sheet and the third upper sheet are inner sheets (21), the second upper sheet and the fourth upper sheet are outer sheets (22), the inner sheets (21) and the outer sheets (22) are both provided with creases (3) parallel to the bottom surface, the creases (3) are used as boundaries, the upper sheets are divided into a top surface part (23) close to the upper edge (11) and buckling parts (24) far away from the upper edge (11), the upper sheets are abutted against the two opposite top surface parts (23) when the upper edge (11) is folded towards the box and form a plane parallel to the bottom surface, the two opposite buckling parts (24) are tightly attached to and perpendicular to the bottom surface, the upside of the buckling parts (24) positioned on the inner sheets (21) is provided with a folding groove (25) in the direction perpendicular to the creases (3), the outer sheet (22) is provided with a closed groove (26) in the direction perpendicular to the crease (3), two ends of the closed groove (26) extend to the top surface part (23) and the buckling part (24) respectively, and the length of the closed groove (26) is larger than the height of the buckling part (24) of the inner sheet (21).

2. A plastic packaging box according to claim 1, wherein: the top surface part (23) of the outer leaf (22) is limited on the top surface part (23) of the inner leaf (21) through a buckle structure.

3. A plastic packaging box according to claim 2, wherein: buckle structure includes cramp (4) and bump (44), crease (3) both sides of flap (21) including cramp (4) set up, cramp (4) both ends are connected respectively apical surface portion (23) and buckling part (24) of crease (3) both sides, cramp (4) and apical surface portion (23) the tie point equals half of closed slot (26) width to the distance of crease (3), be provided with on cramp (4) and be on a parallel with crease (43) of crease (3), the distance of crease (43) to buckling part (24) equals half of closed slot (26) width, cramp (4) use crease (43) to be divided as the boundary and be the second piece (42) of first piece (41) and connection buckling part (24) of connecting apical surface portion (23), bump (44) set up on first piece (41).

4. A plastic packaging box according to claim 3, wherein: the second sheet (42) is a solid cambered surface, and the cambered surface protrudes towards one side far away from the crease (3).

5. A plastic packaging box according to claim 4, wherein: each inner leaf (21) is provided with two buckling pieces (4), and the straight lines of the opening grooves (25) are axially symmetrically arranged on the two buckling pieces (4).

6. A plastic packaging box according to claim 5, wherein: the buckling part (24) is in a heart shape with a sharp lower end cut off, the top surface part (23) is in a trapezoid shape, the lower bottom of the trapezoid shape is overlapped with the upper edge (11) of the side wall (1), and the upper bottom of the trapezoid shape is connected with the heart-shaped cut of the buckling part (24).

7. A plastic packaging box according to claim 6, wherein: interior support (15) have been placed on the bottom surface, interior support (15) all around with lateral wall (1) laminating, interior support (15) middle part forms standing groove (16) that is the bowl type downwards.

8. A plastic packaging box according to claim 7, wherein: the side wall (1) lower edge (12) are connected with four lower leaves respectively, the lower leaves include a concave piece (51), a convex piece (52) and two fillet inserted sheets (53) that the subtend set up, concave piece (51) convex piece (52) and two fillet inserted sheets (53) that the subtend set up peg graft each other and constitute the bottom surface.