一种瓦楞包装盒体结构
By incorporating a double-layer structure, corrugated plastic reinforcing plate, cushioning sponge, waterproof plastic film, and absorbent sponge blocks into the corrugated packaging box, the structural strength and waterproofing issues of the corrugated packaging box are solved, achieving greater stability and convenience in transportation and storage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-08-26
- Publication Date
- 2026-07-17
AI Technical Summary
Existing corrugated packaging boxes have insufficient structural strength, limited cushioning and protection capabilities, and lack waterproof performance, making them susceptible to moisture and damage during transportation and storage.
It adopts a double-layer corrugated box structure, with a plastic corrugated reinforcing plate and a cushioning sponge between the inner and outer corrugated boxes. The outer wall is covered with a plastic waterproof film, and a grid pad and water-absorbing sponge block are set at the bottom. Magnetic strips and reinforcing rods are used to improve structural stability and packaging convenience.
It significantly improves the structural strength and cushioning protection of corrugated packaging boxes, prevents moisture from seeping in, enhances the convenience of transportation and storage, and avoids box deformation and damage.
Smart Images

Figure CN224511783U_ABST
Abstract
Claims
1. A structure of a corrugated packaging box body, comprising an outer corrugated box body (1), characterized in that: Multiple plastic corrugated reinforcing plates (5) are evenly bonded and fixed to the inner walls of the four sides of the outer corrugated box (1). The inner corrugated box (19) is bonded and fixed to the inner side of the plastic corrugated reinforcing plates (5). A first buffer sponge (6) and a second buffer sponge (7) are bonded and fixed to the outer corrugated box (1) and the inner corrugated box (19) between two adjacent plastic corrugated reinforcing plates (5). A grid pad (16) is bonded and fixed to the bottom side of the outer corrugated box (1). A corrugated bottom plate (17) is bonded and fixed to the bottom side of the grid pad (16). Water-absorbing sponge blocks (18) are set in the grid of the grid pad (16) and bonded and fixed to the outer corrugated box (1) and the inner corrugated box (19). A plastic waterproof film (2) that fully covers the outer corrugated box (1) is also bonded and fixed to the outer wall of the outer corrugated box (1).
2. A structure of a corrugated packaging box according to claim 1, characterized in that: The top and bottom four corners of the outer corrugated box (1) are all glued and fixed with positioning fitting blocks (3), and two vertically distributed positioning fitting blocks (3) are fixedly connected with reinforcing rods (4).
3. A structure of a corrugated packaging box according to claim 1, characterized in that: The top sides of the outer corrugated box (1) and the inner corrugated box (19) are jointly bonded and fixed with a fixing ring (8), and the top side of the fixing ring (8) is fitted with a first magnetic strip (9).
4. The corrugated packaging box structure according to claim 1, characterized in that: The top and bottom sides of the outer corrugated box (1) are symmetrically bonded with four fixing strips (10). Multiple fitting grooves (11) are evenly spaced on the fixing strips (10). Vertical partitions (12) that are compatible with the fitting grooves (11) are slidably connected between the four fixing strips (10).
5. A structure of a corrugated packaging box according to claim 1, characterized in that: The top four walls of the outer corrugated box (1) are all provided with corrugated top covers (13), and the inner side of each corrugated top cover (13) is symmetrically fitted with a second magnetic strip (14) that is compatible with the first magnetic strip (9).
6. A structure of a corrugated packaging box according to claim 1, characterized in that: The outer corrugated box (1) has symmetrically fixed rope handles (15) on both sides of its outer wall.