Paper angle bead for 30-type photovoltaic frame with unequal C-surface sizes

Abstract

The utility model relates to the field of packaging, in particular to a paper angle bead for a 30-type photovoltaic frame with unequal C-surface sizes, which comprises two angle beads in a symmetrical structure, and each angle bead comprises a right triangle bottom plate, a first right-angle side extension surface and a second right-angle side extension surface, the first right-angle side extension surface and the second right-angle side extension surface are respectively connected with two right-angle sides of the right-angle triangular bottom plate through a crease; the first right-angle side extension surface comprises a narrow-edge first folding surface, a narrow-edge second folding surface, a narrow-edge buffer surface and a narrow-edge third folding surface which are sequentially connected by three folding marks, and the first folding surface, the narrow-edge second folding surface, the narrow-edge buffer surface and the narrow-edge third folding surface are rectangular surfaces; and the long sides of the first folding surface and the second narrow-side folding surface are equal in length and are equal to one right-angle side of the right-angled triangular bottom plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the packaging field, especially to the solar module packaging field. BACKGROUND

[0002] When the photovoltaic module production is completed, in order to prevent the collision and extrusion of the adjacent two modules, reduce the adverse phenomena such as module deformation and cell piece hidden crack caused by collision or extrusion, the four corners of the module need to be protected during packaging, and a spacer is used for packaging. The commonly used frame thickness size is 35mm, and the long and short frame C surface size (frame width) is equal, the corner guard size is regular and simple, and the operation is convenient. With the development of the industry, the frame size is continuously adjusted, the thickness is 30mm, and the frame with unequal C surface size is gradually adopted by people. The paper corner guard does not match the frame, which leads to packaging difficulty, corner guard falling, and the module does not play a protective role, and further leads to frame scratching and other complaints. SUMMARY

[0003] The utility model solves the technical problems: how to provide a photovoltaic module corner guard suitable for 30 frame with unequal C surface size, solve the problem that the existing paper corner guard does not match the frame, which leads to packaging difficulty, corner guard falling, and the module does not play a protective role, and further leads to frame scratching and other complaints.

[0004] The utility model adopts the technical scheme: a paper corner guard for 30 type and C surface size unequal photovoltaic frame, including two kinds of corner guards of symmetrical structure, every kind of corner guard all includes right triangle bottom plate 10, first right angle side extension surface, second right angle side extension surface, first right angle side extension surface and second right angle side extension surface are connected two right angle sides of right triangle bottom plate 10 through a crease respectively, first right angle side extension surface includes three creases sequentially connected narrow side first fold surface 1, narrow side second fold surface 3, narrow side buffer surface 5 and narrow side third fold surface 7, first fold surface 1, narrow side second fold surface 3, narrow side buffer surface 5 and narrow side third fold surface 7 are all rectangular surfaces, the long side of first fold surface 1 and narrow side second fold surface 3 is equal and equal to one right angle side of right triangle bottom plate 10, the long side of narrow side buffer surface 5 and narrow side third fold surface 7 is equal and shorter than the long side of first fold surface 1, second right angle side extension surface includes four creases sequentially connected wide side first fold surface 2, wide side second fold surface 4, wide side buffer surface 6, wide side third fold surface 8, wide side fourth fold surface 9, the long side of wide side first fold surface 2 and wide side second fold surface 4 is equal and equal to another right angle side of right triangle bottom plate 10, the long side of wide side buffer surface 6, wide side third fold surface 8 and wide side fourth fold surface 9 is equal and less than the long side of wide side first fold surface 2.

[0005] The difference between the long side of wide side second fold surface 4 and wide side third fold surface 8 is equal to the width of narrow side second fold surface 3.

[0006] The width of the narrow edge first folding surface 1 is 30mm, the length is 120mm, the width of the narrow edge second folding surface 3 is 10mm, the length is 120mm, the width of the narrow edge buffer surface 5 is 2mm, the length is 90mm, and the width of the narrow edge third folding surface 7 is 20mm, the length is 90mm.

[0007] The width of the wide edge first folding surface 2 and the wide edge second folding surface 4 is 30mm, the length is 120mm, the width of the wide edge buffer surface 6 is 2mm, the length is 110mm, the width of the wide edge third folding surface 8 and the wide edge fourth folding surface 9 is 20mm, and the length is 110mm.

[0008] The length of the two straight sides of the right-angled triangle base plate 10 is 120mm.

[0009] The narrow edge buffer surface 5 and the wide edge buffer surface 6 both comprise a plurality of parallel creases 11 in the length direction.

[0010] The paper corner protector of the utility model can be perfectly matched with the 30 frame and the C surface size unequal assembly, contains the buckle function, the corner protector is not easy to fall, and good protection is provided for the assembly; on the other hand, a reference method is provided for the corner protector manufacturing of other models of double glass assemblies, the manufacturing period is shortened, the cost is saved, and great convenience is brought to production. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a paper corner protector unfolding structure schematic view of the utility model;

[0012] Fig. 2 It is a narrow edge buffer surface structure schematic view of the utility model;

[0013] Fig. 3 It is a packaging complete side surface structure schematic view of the utility model;

[0014] 1, narrow edge first folding surface, 2, wide edge first folding surface, 3, narrow edge second folding surface, 4, wide edge second folding surface, 5, narrow edge buffer surface, 6, wide edge buffer surface, 7, narrow edge third folding surface, 8, wide edge third folding surface, 9, wide edge fourth folding surface, 10, right-angled triangle base plate, 11, crease. DETAILED DESCRIPTION

[0015] As shown in the drawings, Figs. 1-3 A paper corner protector for a 30 model and C surface size unequal photovoltaic frame, comprising two kinds of corner protectors in a symmetrical structure. The two kinds of corner protectors are respectively used for packaging adjacent two corners of a rectangular photovoltaic frame, and the two corners in a diagonal line adopt the same corner protector.

[0016] Each corner protector comprises a right-angled triangle base plate 10, a first right-angle side extension surface, and a second right-angle side extension surface, the first right-angle side extension surface and the second right-angle side extension surface are connected to two right-angle sides of the right-angled triangle base plate 10 respectively through a crease 11.

[0017] The first right-angle side extension surface comprises a narrow first fold surface 1, a narrow second fold surface 3, a narrow buffer surface 5, and a narrow third fold surface 7 connected in sequence through three creases 11, the first fold surface 1, the narrow second fold surface 3, the narrow buffer surface 5, and the narrow third fold surface 7 are all rectangular surfaces (ignoring the thickness of the fold surface). Two adjacent fold surfaces of the narrow side are connected through a crease, in the process of use, the corner of the frame can be wrapped by folding along the crease 11.

[0018] The long side of the first fold surface 1 and the narrow second fold surface 3 is equal to one right-angle side of the right-angled triangle base plate 10, and the long side of the narrow buffer surface 5 and the narrow third fold surface 7 is shorter than the long side of the first fold surface 1 (the short part is on the right-angle side of the right-angled triangle base plate 10).

[0019] The second right-angle side extension surface comprises a wide first fold surface 2, a wide second fold surface 4, a wide buffer surface 6, a wide third fold surface 8, and a wide fourth fold surface 9 connected in sequence through four creases, the long side of the wide first fold surface 2 and the wide second fold surface 4 is equal to the other right-angle side of the right-angled triangle base plate 10.

[0020] The long side of the wide buffer surface 6, the wide third fold surface 8, and the wide fourth fold surface 9 is equal, and is shorter than the long side of the wide first fold surface 2 (the short part is on the right-angle side of the right-angled triangle base plate 10).

[0021] The difference between the long side of the wide second fold surface 4 and the wide third fold surface 8 is equal to the width of the narrow second fold surface 3.

[0022] In one embodiment, for the frame thickness of 30mm, and the C surface size is not equal, respectively 10mm and 30mm, the specific size of the photovoltaic frame is as follows

[0023] The width of the narrow first fold surface 1 is 30mm, and the length is 120mm, the width of the narrow second fold surface 3 is 10mm, and the length is 120mm, the width of the narrow buffer surface 5 is 2mm, and the length is 90mm, the width of the narrow third fold surface 7 is 20mm, and the length is 90mm.

[0024] The width of the wide first fold surface 2 and the wide second fold surface 4 is 30mm, and the length is 120mm, the width of the wide buffer surface 6 is 2mm, and the length is 110mm, the width of the wide third fold surface 8 and the wide fourth fold surface 9 is 20mm, and the length is 110mm.

[0025] The two straight sides of the right-angled triangle base plate 10 are both 120mm long.

[0026] The narrow side buffer surface 5 and the wide side buffer surface 6 both comprise a plurality of parallel creases 11 along the length direction.

[0027] The key points of the utility model are: 1, the width of the narrow side first folding surface 1 and the width of the wide side first folding surface 2 are consistent with the frame thickness; 2, the width of the narrow side second folding surface 3 is equal to the width of the narrow side of the frame, and the width of the wide side second folding surface 4 is equal to the width of the wide side of the frame; 3, the wide side of the frame corresponds to four straight side extension surfaces and one buffer surface, and the narrow side of the frame corresponds to three straight side extension surfaces and one buffer surface; 4, because the narrow side and the wide side of the frame have a joint surface, the narrow side buffer surface 5 and the narrow side third folding surface 7 are shorter than the narrow side first folding surface 1, and the wide side buffer surface 6, the wide side third folding surface 8 and the wide side fourth folding surface 9 are shorter than the wide side first folding surface 2, so that the installation can be ensured, and the wide side fourth folding surface 9 (the buckle surface) can be installed.

[0028] In the utility model, the paper corner guard is 250g A single-layer kraft paper.

[0029] The wide side buffer surface 6 and the narrow side buffer surface 5 have the same structure and can be folded at 180 degrees.

[0030] The installation method of the utility model is as follows: aligning one corner of the front surface of the photovoltaic module with the right-angled triangle base plate 10, aligning the right angle of the right-angled triangle base plate 10 with the right angle of one corner of the front surface of the photovoltaic module, folding along the creases around the narrow side first, and then folding along the creases around the wide side, so that the buckle effect can be achieved, and the four corners can be covered in sequence.

Claims

1. A paper corner protector for a 30 size and C face unequal photovoltaic frame, characterized in that: The application relates to a pair of symmetrical corner guards, each of which comprises a right-angled triangular base plate (10), a first right-angled side extension surface and a second right-angled side extension surface, wherein the first right-angled side extension surface and the second right-angled side extension surface are connected to two right-angled sides of the right-angled triangular base plate (10) through a crease; the first right-angled side extension surface comprises a narrow-side first folding surface (1), a narrow-side second folding surface (3), a narrow-side buffer surface (5) and a narrow-side third folding surface (7) sequentially connected through three creases, wherein the first folding surface (1), the narrow-side second folding surface (3), the narrow-side buffer surface (5) and the narrow-side third folding surface (7) are rectangular surfaces, the long side of the first folding surface (1) and the long side of the narrow-side second folding surface (3) are equal and equal to one right-angled side of the right-angled triangular base plate (10), and the long side of the narrow-side buffer surface (5) and the long side of the narrow-side third folding surface (7) are equal and shorter than the long side of the first folding surface (1); the second right-angled side extension surface comprises a wide-side first folding surface (2), a wide-side second folding surface (4), a wide-side buffer surface (6), a wide-side third folding surface (8) and a wide-side fourth folding surface (9) sequentially connected through four creases, wherein the long side of the wide-side first folding surface (2) and the long side of the wide-side second folding surface (4) are equal and equal to the other right-angled side of the right-angled triangular base plate (10), and the long side of the wide-side buffer surface (6), the long side of the wide-side third folding surface (8) and the long side of the wide-side fourth folding surface (9) are equal and smaller than the long side of the wide-side first folding surface (2).

2. A paper corner protector for a 30 size and C face unequal photovoltaic frame according to claim 1, characterized in that: The width of the narrow-side first folding surface (1) is 30 mm, and the length is 120 mm; the width of the narrow-side second folding surface (3) is 10 mm, and the length is 120 mm; the width of the narrow-side buffer surface (5) is 2 mm, and the length is 90 mm; and the width of the narrow-side third folding surface (7) is 20 mm, and the length is 90 mm.

3. A paper corner protector for a 30 size and C face unequal photovoltaic frame according to claim 1, characterized in that: The width of the wide-side first folding surface (2) and the wide-side second folding surface (4) is 30 mm, and the length is 120 mm; the width of the wide-side buffer surface (6) is 2 mm, and the length is 110 mm; the width of the wide-side third folding surface (8) and the wide-side fourth folding surface (9) is 20 mm, and the length is 110 mm.

4. A paper corner protector for a 30 size and C face unequal photovoltaic frame according to claim 1, characterized in that: The length of the two right-angled sides of the right-angled triangular base plate (10) is 120 mm.

5. A paper corner protector for a 30 size and C face unequal photovoltaic frame according to claim 1, characterized in that: The narrow-side buffer surface (5) and the wide-side buffer surface (6) each comprise a plurality of parallel creases in the length direction.

6. A paper corner protector for a 30 size and C face unequal photovoltaic frame according to claim 1, characterized in that: The difference between the long side of the wide-side second folding surface (4) and the long side of the wide-side third folding surface (8) is equal to the width of the narrow-side second folding surface (3).

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