Paper packaging box with good bearing performance
By designing a base plate with a four-sided pyramidal structure and reinforcing rods, the stability problem of paper packaging boxes under load was solved, achieving higher load-bearing capacity and stability, and preventing bottom deformation and items from falling off.
Patent Information
- Application Number
- CN202520638315.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing paper packaging boxes are prone to delamination at the bottom when bearing weight, causing items to fall and failing to effectively protect heavy objects.
Design a base plate with a quadrangular pyramidal structure. By combining inclined plates and a flat top section, gravity is evenly distributed, enhancing the load-bearing capacity of the bottom. Stability is improved through the use of reinforcing rods, pads, and slot structures.
It improves the load-bearing capacity and stability of paper packaging boxes, prevents deformation and damage at the bottom, and ensures safety when transporting heavy objects.
Smart Images
Figure CN223949645U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to packing box technical field especially, it relates to a paper packing box good in bearing capacity. BACKGROUND
[0002] Paperboard is thick paper sheet that is made of various paper pulp and is composed of interwoven fibers. Because paperboard can be folded, it is easy to change and has certain manufacturing effect, and it can be made into various cartons or cartons, and it can also be made into products with special structures and widely used in various industries. The paper box made of paper printing products has the advantages of environmental protection, low cost, light weight and convenient transportation, and is widely used in the packaging, transportation and storage of goods, providing good protection effect for goods and avoiding damage to goods.
[0003] With the development of economy and the continuous improvement of people's living standards, at present, the packaging paper box has become a commonly used tool for packing goods in our daily life. It has not only been used for packaging and transportation of goods, but also been used for storage and transportation of goods in daily life.
[0004] However, although the paper packaging box can meet the basic use requirements of users at present, there are still some defects in actual use, for example, the paper packaging box is mainly unfolded in the use state, and then the bottom plates of each part of the bottom are folded and fixed with adhesive tape, and the strength and bearing capacity are insufficient. Therefore, when the weight of the goods loaded in the packaging box is heavy, the bottom of the packaging box is easy to delaminate under the pressure of the heavy object during the process of lifting the packaging box by the user, which causes the goods to fall and delays the user's time.
[0005] Therefore, it is necessary to propose a new technical scheme to solve the above problems. CONTENT OF THE UTILITY MODEL
[0006] The utility model aims at providing a technical scheme that can solve the above problems.
[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a paper packaging box good in bearing capacity, comprising a packaging box body, the packaging box body comprises four side plates, the four side plates form a cube structure, the upper end of the four side plates is connected with a top cover plate, the four top cover plates can be folded to close the top opening of the cube structure, and the lower end of the four side plates is connected with a bottom plate.
[0008] The bottom plate comprises a top flat part, four parts of rectangular-shaped inclined plates and a bottom flat part, the bottom flat part is connected with the bottom of the side plate, the four parts of inclined plates are respectively inclined upward to the center position and connected with the top flat part, so that the bottom plate forms a four-rhombic pyramid structure.
[0009] As a further scheme of the utility model: the packing box body is equipped with a crease, the crease can fold the two symmetrical side plates and the bottom plate.
[0010] As a further scheme of the utility model: the packing box body bottom is provided with a backing plate, the top flat part lower end four corners are provided with reinforcing rods, the reinforcing rods abut against the backing plate.
[0011] As a further scheme of the utility model: the backing plate is provided with a plurality of insertion columns near the edge, the bottom flat part lower end surface is provided with the insertion slot corresponding with the insertion column;
[0012] The insertion column is provided with the reverse hook-shaped stop edge.
[0013] As a further scheme of the utility model: still include the plane plate, the plane plate has the opening and is set on the bottom plate, wherein, the four edges of the opening correspond with the inclined plate and are pasted, the four peripheral edges of the plane plate are pasted with the side plate, and the upper end surface of the plane plate is flush with the upper end surface of the top flat part.
[0014] As a further scheme of the utility model: the lower end four corners of the plane plate are provided with the support column, and the lower end of the support column abuts against the bottom plate.
[0015] As a further scheme of the utility model: the symmetrical gripping mouth is provided on the side plate.
[0016] Compared with the prior art, the beneficial effects of the technical scheme are: when the packing box body is loaded with the article, the bottom plate is combined with the four parts of the rectangular inclined plate, forming the four rhombic structure with the top flat part and the bottom flat part connected with the side plate bottom, when the gravity of the article acts on the bottom plate, the gravity will first act on the plane of the top flat part, then the pressure is evenly conducted to each bottom flat part by the four parts of the inclined plate, avoiding single-point stress concentration, compared with the plane state, the stress is evenly distributed, thereby improving the bottom bearing capacity and strength of the paper packing box, reducing the deformation damage of the bottom, so that the user is more reassured in the use process.
[0017] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0019] Figure 1 is a schematic diagram of the overall structure of the present application;
[0020] Figure 2 is a schematic diagram of the cross-sectional structure of the present application;
[0021] Figure 3 is Figure 2 is an enlarged schematic diagram of the local structure at A in the middle;
[0022] The corresponding label explanations in the drawings are as follows:
[0023] 1, the main body of the packaging box; 2, the side plate; 3, the top cover plate; 4, the bottom plate; 41, the top flat part; 42, the inclined plate; 43, the bottom flat part; 44, the slot; 5, the crease; 6, the pad; 61, the insertion column; 62, the stop edge; 7, the reinforcing rod; 8, the flat plate; 81, the support column; 9, the grip. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0025] Please refer to Figures 1-3 , a paper packaging box with good load-bearing capacity, comprising a packaging box main body 1, the packaging box main body 1 comprises four side plates 2, the four side plates 2 form a cube structure, the upper end of the four side plates 2 is connected with a top cover plate 3, the four top cover plates 3 can be folded to close the top opening of the cube structure, the lower end of the four side plates 2 is connected with a bottom plate 4.
[0026] The bottom plate 4 comprises a top flat part 41, four parts of rectangular-shaped inclined plates 42 and a bottom flat part 43, the bottom flat part 43 is connected with the bottom of the side plate 2, the four parts of inclined plates 42 are respectively inclined upward to the center position and connected with the top flat part 41, so that the bottom plate 4 forms a four-rhombic cone structure.
[0027] Specifically, the packaging box body 1 is formed by four side plates 2, a top cover plate 3 and a bottom plate 4, and can be used for loading articles; when the packaging box body 1 is loaded with articles, the bottom plate 4 is combined with four parts of the rectangular-shaped inclined plates 42 to form a quadrangular pyramid structure with a top flat part 41 and a bottom flat part 43 connected with the bottom of the side plate 2; when the gravity of the articles acts on the bottom plate 4, the gravity first acts on the plane of the top flat part 41, and then the pressure is uniformly conducted to each bottom flat part 43 by the four parts of the inclined plates 42, so that the stress concentration is avoided, the stress distribution is uniform compared with the flat state, the bottom bearing capacity and strength of the paper packaging box are improved, and the deformation and damage of the bottom are reduced, so that the user is more at ease during use.
[0028] The top flat part 41 is designed to avoid that the top of the bottom plate 4 is too sharp and causes damage to the articles of the user, and can better bear the pressure of the articles.
[0029] The design of the four surrounding bottom flat parts 43 is to make the bottom of the bottom plate 4 and the connection between the bottom of the bottom plate 4 and the side plate 2 have a plane to transition, and the plane formed around can be used as a placement surface when the packaging box body 1 is placed, so that the packaging box body 1 is more stable when placed, and deformation of the four edges of the bottom of the bottom plate 4 caused by pressure can be avoided.
[0030] Further, the packaging box body 1 is provided with a crease 5, and the crease 5 can fold the symmetrical two side plates 2 and the bottom plate 4.
[0031] Specifically, after the packaging box body 1 in the utility model is produced and processed, the crease 5 can be folded, that is, the symmetrical two side plates 2 are folded, and the bottom plate 4 is also folded; when the bottom plate 4 is folded, the crease 5 is used as a line to protrude upward and slowly change to a folded state, so that the occupied space is reduced, and storage and delivery and transportation are facilitated.
[0032] Further, the packaging box body 1 is provided with a crease 5, and the crease 5 can fold the symmetrical two side plates 2 and the bottom plate 4.
[0033] Specifically, in the use process, the bottom plate 6 can be added to the bottom of the packaging box body 1, the reinforcing rods 7 are arranged at the four corners of the lower end of the top flat part 41 of the bottom plate 4, then the reinforcing rods 7 are in abutment with the bottom plate 6 after the bottom plate 6 is added, so that the strength of the top flat part 41 of the bottom plate 4 is enhanced by the supporting property of the reinforcing rods 7, the top flat part 41 is prevented from collapsing, and the strength of the entire bottom plate 4 part is enhanced;
[0034] When folding, the reinforcing rod 7 can be folded and arranged along with the bottom plate 4, so as to reduce the influence on folding as much as possible, and more preferably, a jack 61 corresponding to the reinforcing rod 7 can be arranged on the bottom plate 4, so that the reinforcing rod 7 is detachable, and when folding, the reinforcing rod 7 can be removed, and when unfolding, the reinforcing rod 7 can be installed.
[0035] Preferably, a plurality of jacks 61 are arranged on the gusset plate 6 close to the edges, and a plurality of insertion grooves 44 corresponding to the jacks 61 are arranged on the lower end surface of the bottom flat part 43.
[0036] Preferably, a plurality of jacks 61 are arranged on the gusset plate 6 close to the edges, and a plurality of insertion grooves 44 corresponding to the jacks 61 are arranged on the lower end surface of the bottom flat part 43.
[0037] Specifically, when the gusset plate 6 is added, the jack 61 is inserted into the insertion groove 44 arranged on the lower end surface of the bottom flat part 43, and the barb-shaped stop edge 62 arranged on the jack 61 can improve the firmness of the insertion, so as to avoid the gusset plate 6 from falling easily.
[0038] Preferably, when the jack 61 is inserted into the insertion groove 44, the stop edge 62 will cause the insertion groove 44 to deform and the slot to become larger when entering the insertion groove 44, or the stop edge 62 is compressed by the insertion groove 44, and then the stop edge 62 abuts against the inner wall of the insertion groove 44, so as to increase the friction and improve the firmness.
[0039] Further, the planar plate 8 is arranged on the bottom plate 4, and the four edges of the opening of the planar plate 8 are arranged in abutment with the inclined plate 42, the four edges of the planar plate 8 are arranged in abutment with the side plate 2, and the upper end surface of the planar plate 8 is flush with the upper end surface of the top flat part 41.
[0040] When some objects need to be placed stably, the planar plate 8 can be placed in the packaging box body 1, and the opening of the planar plate 8 is arranged in abutment with the inclined plate 42 of the bottom plate 4, so as to fix the planar plate 8, and the upper end surface of the planar plate 8 is flush with the upper end surface of the top flat part 41 of the bottom plate 4, so that the bottom of the packaging box body 1 is in a planar state, so as to stably place the objects.
[0041] Preferably, the four corners of the lower end of the planar plate 8 are provided with support columns 81, and the lower ends of the support columns 81 abut against the bottom plate 4.
[0042] Specifically, the support columns 81 are arranged on the lower end of the planar plate 8, so that the edges of the planar plate 8 are supported, and the edges are prevented from collapsing.
[0043] Further, the side plate 2 is provided with a symmetrically arranged gripping opening 9, and the gripping opening 9 can be better used to hold the packaging box body 1, and it should be noted that the side plate 2 where the gripping opening 9 is arranged is not provided with a fold 5, so as to avoid affecting the strength of the gripping opening 9.
[0044] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A paper packaging box having a high load bearing capacity, characterized in that, Including the packing box body (1), the packing box body (1) includes four side plates (2), the square structure that four side plates (2) surround, four top cover plates (3) are connected on the upper end of four side plates (2), four top cover plates (3) can be folded and closed the top opening of square structure mutually, the lower end of four side plates (2) is connected with bottom plate (4); The bottom plate (4) includes top flat part (41), four parts rectangular inclined plate (42) and bottom flat part (43) are formed, the bottom flat part (43) is connected with the bottom of side plate (2), four inclined plates (42) are respectively inclined to the center position upwards and are connected with top flat part (41), to make the bottom plate (4) form four rhombohedron structure.
2. The paper packaging box with good load bearing capacity according to claim 1, characterized in that, The packing box body (1) is provided with creases (5), the creases (5) can make the folding of two symmetrical side plates (2) and bottom plate (4).
3. The paper packaging box of claim 2, wherein, The packing box body (1) bottom is provided with the backing plate (6), the top flat part (41) lower end four corners are provided with the reinforcing rod (7), the reinforcing rod (7) is in abutment with the backing plate (6).
4. The paper packaging box of claim 3, wherein, The backing plate (6) is provided with a plurality of insertion columns (61) near the edge, the bottom flat part (43) lower end surface is provided with the insertion slot (44) corresponding with insertion column (61); Wherein, the insertion column (61) is provided with the reverse hook-shaped stop edge (62).
5. The paper packing box of claim 1, wherein, Also including the plane plate (8), the plane plate (8) has opening set on the bottom plate (4), wherein, the four edges of the opening are correspondingly attached with inclined plate (42), the four peripheral edges of plane plate (8) are attached with side plate (2), and the upper end surface of plane plate (8) is flush with the upper end surface of top flat part (41).
6. The paper packaging box of claim 5, wherein, The lower end four corners of the plane plate (8) are provided with support column (81), and the lower end of support column (81) is in abutment with bottom plate (4).
7. The paper packing box of claim 1, wherein The side plate (2) is provided with the gripping opening (9) symmetrically.