Degradable packaging box
By using packaging boxes made of biodegradable corrugated paper, the environmental pollution problem caused by non-biodegradable materials is solved, and the packaging boxes can be reused and expanded in space.
Patent Information
- Application Number
- CN202520665958.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-10
AI Technical Summary
The filler materials in existing packaging boxes are non-biodegradable, leading to environmental pollution problems.
The packaging box, made of biodegradable corrugated cardboard, includes a lower box body, a fixing plate, and a foldable outer box structure. The design of the textured plate and support plate enables the items to be fixed and the space to be expanded.
It achieves reusability and biodegradability of packaging boxes, reduces environmental pollution, and increases the durability and storage space of packaging boxes.
Smart Images

Figure CN223905545U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of packaging boxes, in particular to a degradable packaging box. BACKGROUND
[0002] At present, with the continuous expansion of the consumer market, the use of packaging boxes is also increasing. In order to ensure that the packaged goods are not damaged or shaken during movement, fillers are placed in the gap between the goods and the packaging box for protection.
[0003] The existing fillers are light and have good cushioning performance, so the fillers are mostly foam boards and bubble films, which are made of polystyrene, polyethylene and other non-degradable materials.
[0004] The prior art in the above has the following defects: when the goods come to the hands of consumers, the packaging box and the filler used to protect the product will be discarded. However, since polystyrene and polyethylene and other materials are non-degradable, packaging waste has a long-term adverse effect on the environment, leading to increasing ecological burden. CONTENT OF THE INVENTION
[0005] The present application is provided in order to protect the environment, and provides a degradable packaging box.
[0006] The above technical purpose of the present application is achieved by the following technical scheme:
[0007] A degradable packaging box, comprising a lower box body and a fixing plate, the lower box body is made of degradable corrugated paper, the fixing plate is a degradable corrugated paper plate fixed to the upper edge of the box opening on one side of the lower box body, the fixing plate comprises a net plate, a connecting plate and a supporting plate, the net plate is a paper plate with a plurality of stamping openings;
[0008] The stamping openings are densely distributed on the net plate, the plurality of stamping openings are not connected to each other, and communicate the inner and outer plate surfaces of the net plate, the stamping opening is composed of three cutouts, one end of the three cutouts is connected to each other, and the other end is arranged at equal angles, stamping openings are also arranged at equal angles and are spaced apart between the stamping openings in the length direction and the width direction of the net plate, and the included angles of adjacent cutouts are equal and are spaced apart;
[0009] One side of the connecting plate in the length direction is bent and connected to the edge of the box opening, and the other side is bent and connected to the side of the net plate, the supporting plate is a strip-shaped plate bent and connected to the net plate, and one side of the supporting plate is fixed to the side of the net plate away from the lower box body.
[0010] By adopting the technical scheme, when the packaging box is used, the article is placed in the box body, the connecting plate is first folded to make the plate face of the connecting plate fit the inner wall of the box body, and the mesh plate fits the top surface of the article, then the supporting plate is bent to make the side wall of the supporting plate away from the mesh plate away from the bottom of the box, and the side edge of the supporting plate away from the bottom of the box is pressed to be flush with the edge of the box body. Since the mesh plate is provided with a plurality of cutouts to have ductility and plasticity, the mesh plate changes with the shape of the article abutting during the downward pressing of the supporting plate, and it is beneficial to fix the article without filling the remaining fillers.
[0011] Optionally, the lower box body is fixedly connected with an outer box, and the outer box comprises first, second, third and fourth folding plates which are integrally bent and formed in sequence and have a width greater than the length of the lower box body.
[0012] The plate face of the first folding plate is fixedly connected to one outer wall of the lower box body, and the remaining three folding plates are fitted to the remaining three outer walls of the lower box body by folding.
[0013] By adopting the technical scheme, the outer box is fixedly connected to the side wall of the box body, the side wall of the box body is thickened, the firmness of the box body is increased, and the repeated use of the box body is facilitated.
[0014] Optionally, the middle part of the second folding plate is fixedly connected with a middle box body, and the top of the third folding plate is fixedly connected with an upper box body. After the outer box is folded, the lower box body, the middle box body and the upper box body are vertically arranged.
[0015] By adopting the technical scheme, the storage space of the packaging box is increased, and the classified placement of the articles is facilitated.
[0016] Optionally, the outer bottom of the middle box body is flush with the edge of the box opening of the lower box body, and the outer bottom of the upper box body is flush with the edge of the box opening of the middle box body. After the outer box is folded, the outer bottom of the middle box body and the edge of the box opening are respectively fitted to the edge of the box opening of the lower box body and the outer bottom of the upper box body.
[0017] By adopting the technical scheme, the lower box body and the middle box body can be sealed, so that it is no longer necessary to additionally provide a box cover, the amount of paperboard used is reduced, and the amount of waste gas is reduced.
[0018] Optionally, the side wall edges of the middle box body and the upper box body are fixedly connected with fixing plates.
[0019] By adopting the technical scheme, the middle box body and the upper box body also have the function of fixing the articles in the box body.
[0020] Optionally, three supporting plates are provided and are fixedly connected to the opposite two side walls of the mesh plate and the side wall away from the box body.
[0021] By adopting the technical scheme, the supporting plate is bent to make the side edge of the supporting plate flush with the edge of the box opening of the box body, and the mesh plate is fixed to fit the article in the box body.
[0022] Optionally, the width of the connecting plate is not greater than the depth of the box body to which it is fixed, and the outer wall of the bent connecting plate is attached to the inner plate surface of the box body.
[0023] By adopting the above technical solution, the outer wall of the bent connecting plate is attached to the inner plate surface of the box body, and after the articles are placed in the packaging box, the mesh plate can be completely placed in the box body, which is beneficial to better fixing the articles.
[0024] Optionally, the packaging box is made of degradable corrugated paper, and the packaging box can be repeatedly opened and closed and recycled.
[0025] By adopting the above technical solution, the packaging box can be reused after being damaged, and the corrugated paper is degradable, thereby reducing the long-term adverse effects on the environment.
[0026] In summary, the present application has the following technical effects:
[0027] 1. By providing the outer box fixed on the side wall of the box body, the side wall of the box body is thickened, the firmness of the box body is increased, and the box body is repeatedly used.
[0028] 2. By providing the middle box body and the upper box body, the storage space of the packaging box is increased, and the articles are classified and placed.
[0029] 3. By providing the fixing plate fixed on the lower box body, the middle box body and the upper box body, the three box bodies have the function of fixing the articles in the box body. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 is the outer shape structure diagram of the present application;
[0031] Figure 2 is the structure diagram of the present application after being opened;
[0032] Figure 3 is the structure diagram of the mesh plate of the present application.
[0033] Explanation of reference signs: 1, outer box; 11, first folding plate; 12, second folding plate; 13, third folding plate; 14, fourth folding plate; 2, lower box body; 3, middle box body; 4, upper box body; 5, fixing plate; 51, mesh plate; 511, stamping port; 512, cutout; 52, connecting plate; 53, supporting plate; 6, box cover. DETAILED DESCRIPTION
[0034] The present application will be further described in detail below with reference to the accompanying drawings.
[0035] The present application discloses a degradable packaging box, referring to Figure 1 and referring to Figure 2The packaging box comprises an outer box 1, a lower box body 2, a middle box body 3 and an upper box body 4 which are fixed to three adjacent inner walls of the outer box 1 respectively, a fixing plate 5 which is integrally formed on the three box bodies, and a box cover 6 which is arranged on the outer box 1, and the whole packaging box is formed by folding and molding the degradable corrugated paper.
[0036] With reference to Figure 2 The outer box 1 is made of a corrugated paperboard which is bent to form, and is rectangular when unfolded. The outer box 1 comprises a first folding plate 11 which is integrally bent to form, a second folding plate 12 which is connected to one side of the first folding plate 11, a third folding plate 13 which is connected to the side of the second folding plate 12 away from the first folding plate 11, and a fourth folding plate 14 which is connected to the side of the third folding plate 13 away from the second folding plate 12. The first folding plate 11, the second folding plate 12, the third folding plate 13 and the fourth folding plate 14 are four rectangular plates which are the same in shape and are connected in sequence along the side of the length direction of the folding plate.
[0037] With reference to Figure 2 The lower box body 2, the middle box body 3 and the upper box body 4 are square boxes which are equal in length and width, and the upper part of each of the three is provided with a box opening. The thickness sum of the lower box body 2, the middle box body 3 and the upper box body 4 is equal to the height of the first folding plate 11.
[0038] With reference to Figure 2 One outer wall of the lower box body 2 is fixed to the lower part of the plate surface of the first folding plate 11. The length of the lower box body 2 is equal to the width of the first folding plate 11, the outer walls at both ends of the lower box body 2 are flush with the two side edges of the first folding plate 11, the width of the lower box body 2 is equal to the width of the second folding plate 12, and the outer box bottom of the lower box body 2 is flush with the lower edge of the first folding plate 11.
[0039] With reference to Figure 2 One outer wall of the middle box body 3 is fixed to the middle part of the plate surface of the second folding plate 12 on the same side of the first folding plate 11 to which the lower box body 2 is fixed, the opposite two outer walls of the middle box body 3 are flush with the two side edges of the length direction of the second folding plate 12, the outer wall of the middle box body 3 away from the second folding plate 12 is flush with the outer wall of the lower box body 2 away from the first folding plate 11, and the outer box bottom is flush with the box opening edge of the lower box body 2.
[0040] With reference to Figure 2 The upper box body 4 is fixed to the third folding plate 13, and is fixed to the upper part of the plate surface of the third folding plate 13 on the same side of the middle box body 3, and the box opening edge of the upper box body 4 is flush with the upper end surface of the third folding plate 13. The opposite two outer walls of the upper box body 4 are flush with the two side edges of the length direction of the third folding plate 13, and the outer box bottom of the upper box body 4 is flush with the box opening edge of the middle box body 3.
[0041] With reference to Figure 2The fixed plate 5 is provided with three plates and is fixed to the upper edge of the box opening of the lower box body 2, the middle box body 3 and the upper box body 4 away from the outer box 1. The fixed plate 5 comprises a connecting plate 52 connected to the edge of the box opening by bending, a corrugated plate 51 connected to the edge of the connecting plate 52 away from the box opening, and three support plates 53 connected to the three edges of the corrugated plate 51 by bending. The corrugated plate 51 is a square corrugated paper punched by a die, and the length and width of the corrugated plate 51 are equal to the length and width of the inner wall of the box bottom of the lower box body 2.
[0042] Referring to Figure 3 The punching port 511 is composed of three cutouts 512 spaced at equal angles, and one end of the three cutouts 512 is connected, and the other end is arranged at intervals. The punching port 511 is densely provided along the length direction and the width direction of the corrugated plate 51, and the plurality of punching ports 511 are not connected to each other. The first row of punching ports 511 is arranged at equal intervals along the width direction of the corrugated plate 51, and the second row of punching ports 511 is arranged staggered with the first row of punching ports 511. One cutout 512 of the second row of punching ports 511 adjacent to the first row of punching ports 511 is located between the two cutouts 512 of the first row of punching ports 511, and is located at the middle of the included angle of the two cutouts 512 of the first row. The first row of cutouts 511 and the second row of cutouts 511 are spaced apart along the length direction of the corrugated plate 51.
[0043] Referring to Figure 2 The connecting plate 52 is in strip shape, one side of the connecting plate 52 is fixed to the edge of the box opening, and the other side is fixed to the edge of the corrugated plate 51. The length of the connecting plate 52 is equal to the length of the inner wall of the plate away from the outer box 1, and the width of the connecting plate 52 is not greater than the depth of the box body. By folding the connection between the connecting plate 52 and the edge of the box body, the outer wall of the connecting plate 52 can be attached to the inner wall of the plate away from the outer box 1, and the corrugated plate 51 can be folded into the box body.
[0044] Referring to Figure 2 The support plate 53 is a strip-shaped plate integrally formed on the edge of the corrugated plate 51, and the support plate 53 is provided with three plates and is connected to the other three edges of the corrugated plate 51 by bending. The length of the support plate 53 is equal to the length of the corrugated plate 51, and the width of the support plate 53 is not greater than the depth of the box body connected thereto. By bending the connection between the support plate 53 and the corrugated plate 51, the outer walls of the two opposite support plates 53 are attached to the inner walls of the two opposite sides of the box body.
[0045] Referring to Figure 2 The box cover 6 is integrally formed by corrugated paper, the height of the box cover 6 is less than the height of the outer box 1, the distance between the inner walls of the two end faces of the box cover 6 is equal to the width of the first folding plate 11, and the box cover 6 can be covered on the top surface of the outer box 1 after folding.
[0046] When the packaging box is used, the articles are put into the box body, the connecting plate 52 is first folded to make the plate surface of the connecting plate 52 adhere to the inner wall of the box body away from the outer box 1, and the mesh plate 51 adheres to the top surface of the articles, then the supporting plate 53 is bent to make the side wall of the supporting plate 53 away from the mesh plate 51 away from the bottom of the box, and the side edge of the supporting plate 53 away from the bottom of the box is pressed to be flush with the edge of the box body. Since the mesh plate 51 is provided with a plurality of cutouts to have ductility and plasticity, during the downward pressing of the supporting plate 53, the mesh plate 51 changes with the shape of the articles abutting against and is fixed, after the articles are fixed, the second folding plate 12 is folded to make the middle box body 3 above the lower box body 2, and the inner wall of the second folding plate 12 adheres to the side wall of the lower box body 2, the third folding plate 13 is folded to make the upper box body 4 above the middle box body 3 and the inner wall of the third folding plate 13 adhere to the outer walls of the lower box body 2 and the middle box body 3 away from the first folding plate 11, then the fourth folding plate 14 is folded to make the inner wall of the fourth folding plate 14 adhere to the outer walls of the lower box body 2, the middle box body 3 and the upper box body 4 away from the second folding plate 12, and finally the upper box cover 6 is covered to fix the four folding plates. The packaging box can be repeatedly opened and closed and recycled, and can be reused after being damaged. The packaging box is made of corrugated paper and can be degraded to reduce the long-term adverse effects on the environment.
[0047] The specific embodiments are only an explanation of the present application, and are not a limitation of the present application. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, as long as the modifications are within the scope of the claims of the present application.
Claims
1. A degradable packaging box, characterized by: Including lower box body (2) and fixed plate (5), the lower box body (2) is made of degradable corrugated paper, the fixed plate (5) is the degradable corrugated paper board fixed on the side of the lower box body (2) box mouth edge, the fixed plate (5) includes net plate (51), connecting plate (52) and support plate (53), the net plate (51) is the paper board with multiple stamping ports (511); The stamping port (511) is densely distributed on the net plate (51), multiple stamping ports (511) are not communicated with each other, and are communicated with the inner and outer two plate surfaces of the net plate (51), the stamping port (511) is composed of three cutouts (512), one end of the three cutouts (512) is connected with each other, the other end is arranged at equal angles, and the stamping ports (511) are also staggered in the length direction and the width direction of the net plate (51), and the included angles of adjacent cutouts (512) are equal and are spaced apart. The length direction of the connecting plate (52) is bent and connected on the side edge of the box mouth edge, and the other side is bent and connected with the side edge of the net plate (51), and the support plate (53) is a strip-shaped plate bent and connected on the net plate (51), and one side of the support plate (53) is fixed on the side of the net plate (51) away from the lower box body (2).
2. The degradable packaging box according to claim 1, characterized in that: The lower box body (2) is fixed with an outer box (1), and the outer box (1) includes first, second, third and fourth folding plates (11), (12), (13) and (14) which are integrally bent and formed in sequence and have a width greater than the length of the lower box body (2). The plate surface of the first folding plate (11) is fixed on one outer wall of the lower box body (2), and the remaining three folding plates are fitted with the remaining three outer walls of the lower box body (2) by folding.
3. The degradable packaging box according to claim 2, characterized in that: The middle part of the second folding plate (12) is fixed with a middle box body (3), and the top of the third folding plate (13) is fixed with an upper box body (4), after folding the outer box (1), the lower box body (2), the middle box body (3) and the upper box body (4) are vertically arranged.
4. The degradable packaging box according to claim 3, characterized in that: The outer box bottom of the middle box body (3) is flush with the box mouth edge of the lower box body (2), and the outer box bottom of the upper box body (4) is flush with the box mouth edge of the middle box body (3), and after folding the outer box (1), the outer box bottom and the box mouth edge of the middle box body (3) are respectively fitted with the box mouth edge of the lower box body (2) and the outer box bottom of the upper box body (4).
5. The degradable packaging box according to claim 4, characterized in that: The side wall edges of the middle box body (3) and the upper box body (4) are fixed with fixed plates (5).
6. The degradable packaging box of claim 1, wherein: The support plate (53) is provided with three blocks, which are fixed on the opposite two side walls and the side wall away from the box body of the net plate (51).
7. The degradable packaging box of claim 1, wherein: The width of the connecting plate (52) is not greater than the depth of the box body fixed thereto, and the outer wall of the connecting plate (52) after bending is fitted with the inner plate surface of the box body fixed thereto.
8. A degradable packaging box according to any one of claims 2-7, characterized in that: The whole packaging box is made of degradable corrugated paper, and the packaging box can be repeatedly opened and closed and recycled.