Built-in shockproof frame of corrugated carton
By setting up a shock-proof frame with a combination of foam corner columns and foam support plates in the corrugated carton, the rubber columns are used to increase friction, which solves the problem that traditional corrugated carton packaging cannot provide sufficient shock-proof protection, achieving more efficient shock-proof effect and lower cost.
Patent Information
- Application Number
- CN202421584877.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-20
- Estimated Expiration
- 2034-07-04
Smart Images

Figure CN222886499U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of built-in frames for corrugated cartons, and particularly to a built-in shock-proof frame for corrugated cartons. Background Technique
[0002] In the logistics transportation and packaging industries, corrugated cartons are widely used for packaging various items due to their light weight, low cost, and easy recyclability.
[0003] However, for some fragile or valuable items, simple corrugated carton packaging may not provide sufficient shock-proof protection, and the items are prone to damage due to collision or jolting during transportation. Therefore, setting a shock-proof frame inside the corrugated carton has become a common solution. Traditional shock-proof frames are mostly made of hard materials such as plastics or metals. Although they have a certain shock-proof effect, they are costly and not easily fitted to the inner wall of the corrugated carton, which may cause the items to shake inside the box and affect the shock-proof effect. Content of the Utility Model
[0004] The purpose of the utility model is to provide a built-in shock-proof frame for corrugated cartons to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A built-in shock-proof frame for corrugated cartons includes foam corner columns. There are four foam corner columns, which are arranged in a square layout. Foam support plates are provided between adjacent two foam corner columns. Edge grooves are opened at the outer corners of the foam corner columns, and rubber columns are fixed inside the edge grooves.
[0006] Preferably, the foam corner columns are in an "L"-shaped plate structure, the edge grooves are in an arc-shaped groove, the height of the edge grooves is equal to the height of the foam corner columns, the rubber columns are in a cylindrical structure, and the height of the rubber columns is equal to the height of the edge grooves. Preferably, both ends of the foam corner columns are provided with sliding grooves. There are two sliding grooves in each group, and the two sliding grooves are symmetrically distributed with respect to the plate body of the foam corner column. The height of the sliding grooves is less than the height of the foam corner columns, and the bottom surface of the sliding grooves is above the bottom surface of the foam corner columns. Both ends of the foam support plates are provided with buckling grooves, and the buckling grooves are buckled on the ends of the foam corner columns.
[0007] Preferably, the plate bodies on both sides of the buckling grooves are respectively slidably connected in the two sliding grooves, and a positioning structure is provided between the side wall of the buckling groove and the sliding groove for connecting the foam corner column and the foam support plate.
[0008] Preferably, the positioning structure includes card strips and positioning holes. The positioning holes are opened on the surface of the sliding grooves, the positioning holes communicate with the two sliding grooves on both sides, and card strips are inserted at both ends of the positioning holes. The card strips are fixed on the side wall of the buckling groove.
[0009] Preferably, plastic films are fixed at both ends of the foam support plate. There are two groups of plastic films, and the two groups of plastic films are symmetrically distributed with respect to the plate body of the foam support plate.
[0010] Preferably, through holes are formed on the surface of the foam support plate. There are multiple through holes, and the multiple through holes are arranged and distributed along the long side of the foam support plate.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] The built-in shockproof frame of the corrugated cardboard box proposed by the present utility model is made of foam material, and has the advantages of low cost, easy processing, and close fitting with the inner wall of the corrugated cardboard box. By arranging rubber columns at the outer corners of the foam corner columns, the friction between the shockproof frame and the corrugated cardboard box is increased, effectively avoiding the jolting phenomenon of the shockproof frame inside the corrugated cardboard box and improving the shockproof effect. At the same time, with the structural design of the sliding groove and the buckling groove, the foam corner columns and the foam support plates can be conveniently assembled and fixed, improving the assembly efficiency. In addition, by arranging multiple through holes on the foam support plates, the structure and density of the shockproof frame can be adjusted according to actual needs to adapt to articles of different shapes and sizes, further improving the practicability and applicability of the shockproof frame. Description of the Drawings
[0013] Figure 1 is a schematic structural view of the present utility model;
[0014] Figure 2 is a top view of the structure of the present utility model;
[0015] Figure 3 is Figure 2 a structural cross-sectional view at A-A in
[0016] Figure 4 is Figure 3 an enlarged schematic view of the structure at A in
[0017] Figure 5 is a schematic structural view of the foam corner column of the present utility model;
[0018] Figure 6 is a schematic structural view of the foam support plate of the present utility model.
[0019] In the figure: foam corner column 1, side groove 2, rubber column 3, sliding groove 4, foam support plate 5, buckling groove 6, clamping strip 7, positioning hole 8, through hole 9, plastic film 10. Detailed Embodiment
[0020] In order to clearly and completely describe the purpose, technical solution of the present utility model and make the advantages more clearly understood, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0021] Embodiment 1
[0022] Please refer to Figure 1 - Figure 2 , the present utility model provides a technical solution: an anti-vibration frame built into a corrugated cardboard box, including foam corner columns 1. There are four foam corner columns 1, and the four foam corner columns 1 are arranged in a square. A foam support plate 5 is provided between adjacent two foam corner columns 1. An edge groove 2 is opened at the outer corner of the foam corner column 1, and a rubber column 3 is fixed inside the edge groove 2.
[0023] Embodiment 2
[0024] On the basis of Embodiment 1, referring to the attached Figure 5 as shown, in order to avoid the phenomenon of jolting after the built-in anti-vibration frame is placed in the corrugated cardboard box, the foam corner column 1 is in an "L"-shaped plate structure, the edge groove 2 is in an arc-shaped groove, the height of the edge groove 2 is equal to the height of the foam corner column 1, the rubber column 3 is in a cylindrical structure, and the height of the rubber column 3 is equal to the height of the edge groove 2.
[0025] The reason for opening the edge groove 2 at the outer corner of the foam corner column 1 is to install the rubber column 3. The rubber column 3 forms a protruding anti-slip structure at the outer corner of the foam corner column 1. When the built-in anti-vibration frame is placed into the corrugated cardboard box, the rubber column 3 tightly presses between the foam corner column 1 and the inner corner of the corrugated cardboard box, increasing the friction between the foam corner column 1 and the corrugated cardboard box, thereby avoiding the jolting of the built-in anti-vibration frame inside the corrugated cardboard box.
[0026] Embodiment 3
[0027] Referring to the attached Figure 3 、 Figure 4 and Figure 6As shown, on the basis of the second embodiment, in order to realize the assembly and fixation of the foam corner column 1 and the foam support plate 5, both ends of the foam corner column 1 are provided with sliding grooves 4, and each group of sliding grooves 4 is provided with two. The two sliding grooves 4 are symmetrically distributed about the plate body of the foam corner column 1, and the height of the sliding groove 4 is less than the height of the foam corner column 1. The bottom surface of the sliding groove 4 is above the bottom surface of the foam corner column 1. Both ends of the foam support plate 5 are provided with buckle grooves 6, and the buckle grooves 6 are buckled at the ends of the foam corner column 1; the plate bodies on both sides of the buckle grooves 6 are slidably connected to the two sliding grooves 4 respectively, and a clamping position is provided between the side wall of the buckle groove 6 and the sliding groove 4. Structure, used to connect the foam corner column 1 and the foam support board 5; the positioning structure includes a clamping strip 7 and a positioning hole 8, the positioning hole 8 is opened on the surface of the slide 4, the positioning hole 8 connects the slides 4 on both sides, and the two ends of the positioning hole 8 are plugged with clamping strips 7, and the clamping strips 7 are fixed on the side walls of the buckle groove 6; plastic films 10 are fixed at both ends of the foam support board 5, and there are two groups of plastic films 10, and the two groups of plastic films 10 are symmetrically distributed about the board body of the foam support board 5; a through hole 9 is opened on the surface of the foam support board 5, and there are multiple through holes 9, and the multiple through holes 9 are arranged and distributed along the long side of the foam support board 5.
[0028] When assembling the built-in earthquake-resistant frame, you only need to install the foam support plate 5 between two adjacent foam corner columns 1. The specific operation is to buckle the buckle groove 6 at the end of the foam support plate 5 from top to bottom on the end of the foam corner column 1, and slightly pry open the end plate of the foam support plate 5 to prevent the clamping strip 7 from blocking the foam support plate 5 from falling. After the bottom surface of the foam support plate 5 overlaps the bottom surface of the slide groove 4, loosen the end of the foam support plate 5. At this time, the clamping strip 7 is inserted into the positioning hole 8 to achieve the connection and fixation of the foam support plate 5 and the foam corner column 1.
[0029] When in use, a side groove 2 is provided at the outer corner of the foam corner column 1 for embedding the rubber column 3. The rubber column 3 forms a protruding anti-skid structure at the outer corner of the foam corner column 1. When the built-in anti-vibration frame is placed in the corrugated box, the rubber column 3 is tightly squeezed between the foam corner column 1 and the inner corner of the corrugated box, increasing the friction between the foam corner column 1 and the corrugated box, thereby preventing the built-in anti-vibration frame from bumping inside the corrugated box;
[0030] When assembling the built-in earthquake-resistant frame, you only need to install the foam support plate 5 between two adjacent foam corner columns 1. The specific operation is to buckle the buckle groove 6 at the end of the foam support plate 5 from top to bottom on the end of the foam corner column 1, and slightly pry open the end plate of the foam support plate 5 to prevent the clamping strip 7 from blocking the foam support plate 5 from falling. After the bottom surface of the foam support plate 5 overlaps the bottom surface of the slide groove 4, loosen the end of the foam support plate 5. At this time, the clamping strip 7 is inserted into the positioning hole 8 to achieve the connection and fixation of the foam support plate 5 and the foam corner column 1.
[0031] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A built-in shockproof frame for a corrugated paper box, comprising a foam corner post (1), characterized in that: The foam corner columns (1) are provided with four foam corner columns (1), which are arranged in a square shape, a foam support plate (5) is provided between two adjacent foam corner columns (1), a side groove (2) is provided at the positive corner of the foam corner column (1), and a rubber column (3) is fixed inside the side groove (2).
2. The corrugated paper box with built-in shockproof frame according to claim 1, characterized in that: The foam corner column (1) is an "L"-shaped plate structure, the side groove (2) is an arc-shaped groove, the height of the side groove (2) is equal to the height of the foam corner column (1), and the rubber column (3) is a cylindrical structure, and the height of the rubber column (3) is equal to the height of the side groove (2).
3. The corrugated paper box with built-in shockproof frame according to claim 1, characterized in that: Both ends of the foam corner column (1) are provided with slide grooves (4), each group of slide grooves (4) is provided with two, the two slide grooves (4) are symmetrically distributed with respect to the plate body of the foam corner column (1), the height of the slide groove (4) is less than the height of the foam corner column (1), the bottom surface of the slide groove (4) is located above the bottom surface of the foam corner column (1), and both ends of the foam support plate (5) are provided with buckle grooves (6), and the buckle grooves (6) are buckled at the ends of the foam corner column (1).
4. The built-in shockproof frame of a corrugated paper box according to claim 3, characterized in that: The plates on both sides of the buckle groove (6) are slidably connected in the two slide grooves (4) respectively, and a clamping structure is provided between the side wall of the buckle groove (6) and the slide groove (4) for connecting the foam corner column (1) and the foam support plate (5).
5. The corrugated paper box with built-in shockproof frame according to claim 4, characterized in that: The clamping structure comprises a clamping strip (7) and a positioning hole (8), wherein the positioning hole (8) is arranged on the surface of the slide groove (4), the positioning hole (8) is connected to the slide grooves (4) on both sides, the two ends of the positioning hole (8) are plugged with clamping strips (7), and the clamping strip (7) is fixed on the side wall of the buckle groove (6).
6. The corrugated paper box with built-in shockproof frame according to claim 1, characterized in that: Plastic films (10) are fixed to both ends of the foam support plate (5), and two groups of plastic films (10) are provided. The two groups of plastic films (10) are symmetrically distributed with respect to the plate body of the foam support plate (5).
7. The corrugated paper box with built-in shockproof frame according to claim 1, characterized in that: The surface of the foam support plate (5) is provided with a through opening (9), and a plurality of through openings (9) are provided, and the plurality of through openings (9) are arranged and distributed along the long side of the foam support plate (5).