Fresh food cold chain circulation packaging box
A packaging box and cold chain technology, applied in the field of fresh cold chain circular packaging boxes, can solve the problems of poor protection of goods, low cost of corrugated paper, environmental pollution, etc., achieve good butt joint stability, improve compression performance, The effect of low overall cost
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Embodiment 1
[0048] see Figure 1-7 , the present invention provides a technical solution: a fresh cold chain cycle packaging box, including a carton body layer 1, a hollowed-out handle port 2, a bottom plate combination layer 3, an upper sealing cardboard 4, a connecting layer 5, a buckle layer 6, a conflicting Limiting cardboard layer 7, hollowed-out through hole 8, locking hole 9, outer limit cardboard layer 10, guide groove 11, corrugated raw cardboard 12, reserved cavity 13, outer coating 14, adhesive layer 15, convex Layer 16 and inner fresh-keeping layer 17 are formed.
[0049] The outer end of the carton body layer 1 is provided with a hollow handle opening 2 for easy lifting, and the lower end of the carton body layer 1 is cut with a combined and sealed bottom plate combination layer 3, and the upper end of the carton body layer 1 is cut with an upper sealing cardboard 4 ;
[0050] The upper end of the upper sealing cardboard 4 is cut with a connecting layer 5 to form a folded s...
Embodiment 2
[0060] refer to Figure 8-14 As shown, on the basis of Example 1, the applicant further proposed an improvement of the rigid support structure in order to seek a better carton support effect.
[0061] Specifically, the carton body layer is divided into a front body layer 101 and a rear body layer 102, specifically two side boxes with larger areas, and at least A set of front rigid supports and rear rigid supports; the front rigid supports and the rear rigid supports correspond to each other after the box is combined;
[0062] Both the front rigid support and the rear rigid support include two rigid support plates 18, an accommodating groove 19 arranged on the carton body layer 1 and matched with each rigid support plate 18, and an accommodating groove 19 arranged in the accommodating groove 19. The arched ear pressing grooves 20 on both sides and the elastic pressing ears 21 that can be elastically matched with the arched ear pressing grooves 20 and integrally formed at the e...
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