CN213473821U - Paper cover and environment-friendly carton capable of preventing extrusion deformation - Google Patents

Abstract

The utility model relates to a paper lid and prevent extrusion deformation's environmental protection carton relates to the field of carton production manufacturing, and it includes the paper lid body, and the paper lid body includes the hem of four L types, and four hems splice into square frame, are provided with the enhancement cardboard among the square frame, and the enhancement cardboard includes top layer and the sandwich layer that the kraft paper was made, is provided with the support piece that is used for supporting the hem on the enhancement cardboard. This application has the effect of ensureing that the carton prevents the performance of extrusion deformation.

Description

Paper cover and environment-friendly carton capable of preventing extrusion deformation

Technical Field

The application relates to the field of carton production manufacturing, in particular to a paper cover and an environment-friendly carton capable of preventing extrusion deformation.

Background

At present, a paper box is a packaging product with the widest application, the dosage is always the first of various packaging products, and according to different materials, a corrugated paper box, a single-layer paper box and the like are provided. For more than half a century, the carton gradually replaces transport packaging containers such as wooden boxes and the like with excellent service performance and good processing performance, and becomes the main force of transport packaging.

The paper box is usually provided with three layers and five layers, wherein each layer is divided into inner paper, corrugated paper, core paper and surface paper, the inner paper and the surface paper are provided with tea board paper and kraft paper, and the core paper is corrugated paper. The paperboard is degradable and has better environmental protection performance.

The existing carton also has some insufficient places, and in the process of using the carton to transport goods, in order to save space, the tightly arranged cartons are mutually extruded, so that the stressed distortion of the cartons is damaged, and the carton can not be continuously used.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy distortion problem of carton atress, this application provides a paper lid and prevents extrusion deformation's environmental protection carton.

In a first aspect, the paper cover provided by the present application adopts the following technical scheme:

the paper cover comprises a paper cover body, wherein the paper cover body comprises four L-shaped folded edges which are spliced into a square frame, a reinforced paperboard is arranged in the square frame and comprises a surface layer and a core layer, the surface layer is made of kraft paper, and a supporting piece used for supporting the folded edges is arranged on the reinforced paperboard.

Through adopting above-mentioned technical scheme, when the upper shed department of carton body was located in the buckle of paper lid, the upper end and the paper lid butt of carton body, the lateral wall of carton body and the inside wall butt of paper lid, because the antitorque performance of frame mainly reflects at its opening part, thereby the antitorque performance of carton frame has been strengthened through setting up double-deck enhancement cardboard and support piece, thereby the performance of ensureing that the carton prevents the extrusion deformation has been realized, double-deck enhancement cardboard self top layer is made for more glossy kraft paper simultaneously, make the paper lid comparatively pleasing to the eye, level and smooth.

Optionally, the support comprises a support bar;

the bracing piece is provided with two and two the bracing piece concatenation becomes the fork form, the both ends of bracing piece respectively with paper lid body four corners department inside wall butt.

By adopting the technical scheme, the structure is mainly twisted along the section when being subjected to shearing force, the shearing stress of the square frame structure along the diagonal section is larger than that of the square frame structure along other sections, the diagonal line of the paper cover body is reinforced through the supporting rod, and the anti-twisting performance of the paper cover body is effectively enhanced.

Optionally, two ends of the folded edge are provided with cutting openings forming an angle of 45 degrees with the plane where the folded edge is located, and the four folded edges are integrally formed.

Through adopting above-mentioned technical scheme, four hem of integrated into one piece splice into square frame through the cutting mouth at both ends, and 45 cutting mouths are convenient for process, and the hem of rule is convenient for splice the equipment simultaneously, and is 90 when two 45 cutting mouths splice, forms inseparable corner structure, strengthens the antitorque property of square frame itself.

Optionally, the outer side of the four corners of the square frame is wrapped with anti-collision edges.

Through adopting above-mentioned technical scheme, because square frame's four corners department is the concatenation department of hem, the anticollision limit includes this concatenation department, reduces the possibility of two hems in the separation of concatenation department, guarantees the antitorque performance of paper lid body.

Optionally, the paper cover body is provided with a covering paperboard at the supporting member for covering the supporting member.

Through adopting above-mentioned technical scheme, the paper lid makes the paper lid body inside be smooth plane after covering support piece, ensures that the paper lid body is detained when establishing on the carton, and the upper end of carton all fully contacts with the paper lid body, ensures the reinforcing properties of paper lid to the anti-torsion performance of carton.

In a second aspect, the present application further provides an environmental protection carton for preventing extrusion deformation, which adopts the following technical scheme:

the environment-friendly carton capable of preventing extrusion deformation comprises a carton body, wherein edge covers of L shapes in the height direction of the carton body are arranged at four corners of the outer side of the carton body.

Through adopting above-mentioned technical scheme, the bordure that sets up along vertical direction has strengthened the rigidity of carton body edge, avoids the carton edge distortion when bearing the shear force as far as possible, has strengthened the bending resistance of carton body.

Optionally, the wrapping edges are arranged in a plurality of and equidistantly along the height direction of the carton body.

Through adopting above-mentioned technical scheme, will bordure and set up to a plurality of and arrange along the direction of height equidistance of directional body, further strengthened the antitorque performance of carton body.

Optionally, a tightening strip is arranged on the outer side wall of the upper opening of the carton body, the tightening strip is in a long strip shape, and two ends of the tightening strip in the length direction are abutted to the end face of the covered edge.

Through adopting above-mentioned technical scheme, step up the antitorque performance that the strip has strengthened carton body mouth of a case department, step up the strip simultaneously and make when the paper lid body is detained and is established on the carton body, cooperation between the two is in the state of encamping, ensures that the paper lid body is inseparable lock all the time on the carton body, and then ensures the reinforcing of paper lid body to carton body antitorque nature.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the anti-torsion performance of the carton frame is enhanced by arranging the double-layer reinforced paperboard and the supporting piece, the performance of preventing the carton from being extruded and deformed is ensured, and meanwhile, the surface layer of the double-layer reinforced paperboard is made of smoother kraft paper, so that the paper cover is more attractive and smooth;

2. the paper cover body is reinforced along the diagonal line of the paper cover body through the supporting rod, so that the torsion resistance of the paper cover body is effectively enhanced;

3. the edge of the carton body is arranged in the vertical direction, so that the rigidity of the upper edge of the carton body is enhanced, the distortion of the edge of the carton body when the carton bears shearing force is avoided as much as possible, and the bending resistance of the carton body is enhanced.

Drawings

Fig. 1 is a schematic view of the overall structure of a paper cover body in the embodiment of the present application;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of a portion of a paper cover body with a hidden covering paperboard in an embodiment of the present application;

fig. 4 is a schematic structural view of the carton body 10 in the embodiment of the present application.

Reference numerals: 1. a paper cover body; 2. folding edges; 3. a square frame; 4. a reinforced paperboard; 5. a surface layer; 6. a core layer; 7. a support bar; 8. preventing collision; 9. covering the paperboard; 10. a carton body; 11. edge covering; 12. and (5) tightening the strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a paper cover. Referring to fig. 1 and 2, the paper cover comprises four L-shaped folded edges 2, the four folded edges 2 are spliced into a square frame 3, a reinforcing paper board 4 is arranged in the square frame 3, and the reinforcing paper board 4 is bonded with the folded edges 2 through cold-pressing glue. Strengthen cardboard 4 and include top layer 5 that the kraft paper was made and sandwich layer 6 of corrugated paper material, refer to fig. 3, be provided with the support piece that is used for supporting hem 2 on the strengthening cardboard 4, support piece includes two bracing pieces 7, and two bracing pieces 7 splice into the fork form, and one of them bracing piece 7 passes another bracing piece 7, and the both ends of bracing piece 7 respectively with the inside wall of 1 four corners department of paper lid body be the inboard butt of hem 2, bond through cold-pressing glue between support column and hem 2.

Thereby strengthened the antitorque performance of carton frame through setting up double-deck reinforcing cardboard 4 and support piece, realized guaranteeing that the carton prevents the performance of extrusion deformation.

In order to facilitate production and processing and splice the hems 2 into the square frame 3, referring to fig. 1, two ends of the four hems 2 are cutting ports forming an angle with the side surfaces of the hems 2, the four hems 2 are integrally formed and are spliced into the square frame 3 by bending at the cutting ports, and the head and the tail of the square frame 3 are connected by cold-pressing glue in a bonding manner.

In order to further ensure the torsion resistance of the paper cover, referring to fig. 1, the outer sides of the four corners of the square frame 3 are wrapped with anti-collision edges 8, and the anti-collision edges 8 are connected with the folded edges 2 through cold-pressed glue. The paper cover body 1 is adhered with a covering paper board 9 covering the support rod 7 at the support rod 7 by cold-pressed glue.

The implementation principle of a paper cover in the embodiment of the application is as follows: when the upper opening of carton body 10 was located in the knot of paper lid body 1, the upper end and the paper lid butt of carton body 10, the lateral wall of carton body 10 and the inside wall butt of paper lid, because the antitorque performance of frame mainly reflects at its opening part, thereby the antitorque performance of carton frame has been strengthened through setting up double-deck enhancement cardboard 4 and bracing piece 7, thereby realized guaranteeing that the carton prevents the performance of extrusion deformation, double-deck enhancement cardboard 4 self top layer 5 is made for more glossy kraft paper simultaneously, make the paper lid comparatively pleasing to the eye, level and smooth.

The embodiment of the application also discloses an environmental protection carton that prevents extrusion deformation. Referring to fig. 4, prevent extrusion deformation's environmental protection carton, including carton body 10, the four corners department in the carton body 10 outside bonds through cold press glue has a plurality of L types of arranging of equidistance along carton direction of height's bordure 11, and the banding strip that adds that bonds on the lateral wall of carton body 10 upper shed department has 12, adds the terminal surface butt of the both ends of 12 length directions of tightening strip and bordure 11

The implementation principle of this application embodiment a high strength resistance to compression environmental protection carton does: a plurality of 11 of borduring that set up along vertical direction have strengthened the rigidity of carton body 10 edge, avoid the carton as far as possible the edge distortion when bearing the shear force, the bending resistance of carton body 10 has been strengthened, the antitorque performance of carton body 10 mouth of a river department has been strengthened to the strip 12 that adds, the strip 12 that adds simultaneously makes when the buckle of paper lid body 1 locates on carton body 10, cooperation between the two is in the state of encamping, ensure that paper lid body 1 is inseparable lock all the time on carton body 10, and then ensure the reinforcing of paper lid body 1 to carton body 10 antitorque nature.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A paper cover characterized by: including paper cover body (1), paper cover body (1) includes hem (2) of L type, hem (2) are provided with four, square frame (3) are spliced into in four hem (2), be provided with in square frame (3) and strengthen cardboard (4), strengthen cardboard (4) and include top layer (5) and sandwich layer (6) that the kraft paper was made, be provided with on strengthening cardboard (4) and be used for supporting the support piece of hem (2).

2. A paper cover according to claim 1, wherein: the support comprises a support bar (7);

the supporting rod (7) is provided with two and two the bracing piece (7) are spliced into a cross shape, the two ends of the bracing piece (7) respectively with the inside wall butt of the four corners of the paper cover body (1).

3. A paper cover according to claim 2, wherein: the two ends of the folded edges (2) are cut openings which form an angle of 45 degrees with the plane where the folded edges (2) are located, and the four folded edges (2) are integrally formed.

4. A paper cover according to claim 3, wherein: the outer sides of the four corners of the square frame (3) are wrapped with anti-collision edges (8).

5. A paper cover according to claim 4, wherein: the paper cover body (1) is provided with a covering paperboard (9) which covers the supporting piece at the supporting piece.

6. An environmentally friendly carton for preventing crush deformation comprising the paper cover according to any one of claims 1 to 5, wherein: the carton is characterized by further comprising a carton body (10), wherein L-shaped covered edges (11) along the height direction of the carton body (10) are arranged at four corners of the outer side of the carton body (10).

7. The environmentally friendly carton as claimed in claim 6, wherein the carton comprises: the edge covers (11) are arranged in a plurality of equal intervals along the height direction of the carton body (10).

8. The environmentally friendly carton as claimed in claim 7, wherein the carton comprises: the carton is characterized in that a tightening strip (12) is arranged on the outer side wall of the upper opening of the carton body (10), the tightening strip (12) is long and the two ends of the tightening strip (12) in the length direction are abutted to the side face of the covered edge (11).

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