CN219193065U

CN219193065U - Packaging cardboard box with sharp corner reinforcing structure

Info

Publication number: CN219193065U
Application number: CN202320141820.7U
Authority: CN
Inventors: 王佳荥
Original assignee: Hangzhou Yuncheng Packaging Co ltd
Current assignee: Hangzhou Yuncheng Packaging Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-06-16
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a packaging paperboard box with a sharp corner reinforcing structure, which comprises a paperboard box body, wherein an upper cover plate is connected to the upper side of the paperboard box body, a lower cover plate is connected to the lower side of the paperboard box body, and hand-held holes are formed in the left side and the right side above the paperboard box body, so that the paperboard box body is convenient to carry; further comprises: the outer reinforcing plate is connected with the outer sides of the four corners of the carton body in an adhesive mode, the inner sides of the four corners of the carton body are connected with the inner reinforcing plate in an adhesive mode, and the upper ends of the inner reinforcing plate and the outer reinforcing plate are connected with the top plate. This be provided with closed angle additional strengthening's packing cardboard case is provided with and adds the gusset plate and interior gusset plate, and the outside and the inboard of the department of buckling at the carton body closed angle are assembled to outer gusset plate and interior gusset plate one-to-one to outer gusset plate and interior gusset plate adapt to the shape and the carton body closely laminating of the department of buckling of carton body closed angle, strengthen the support to the closed angle department of the carton body, avoid the carton body atress and buckle and warp.

Description

Packaging cardboard box with sharp corner reinforcing structure

Technical Field

The utility model relates to the technical field of packaging cartons, in particular to a packaging carton with a sharp corner reinforcing structure.

Background

The packaging cardboard box is a box body for placing and packaging products in batches, is convenient for protecting and transporting the products, avoids the scattered accumulation of the products, is supported by the cardboard, is recyclable in materials, and is a type of product with relatively environmental protection.

Wherein publication number CN202264959U is a carton with an opening on the side that is connected to the end of the carton packaging tape; the beneficial effects of the utility model are mainly as follows: the end of the packing adhesive tape is provided with the opening, so that the packing adhesive tape can be easily opened by fingers, the material consumption of the paper box is saved, the time for opening the paper box is saved, and the use is convenient.

The prior art just uses the sticky tape to seal fixedly in upper cover plate department, because carton closed angle department is comparatively fragile, easily bends the deformation after receiving the pressure, influences the use of carton, and the apron of carton bottom is because the weight that receives inside product is great, and when carrying, the phenomenon that easily appears dispersing and cause dropping, consequently we put forward a packing carton that is provided with closed angle additional strengthening and solves the problem that above-mentioned proposes.

Disclosure of Invention

The utility model aims to provide a packaging paperboard box with a sharp corner reinforcing structure, which solves the problems that the sharp corner of a paperboard box is fragile, is easy to bend and deform after being stressed to influence the use of the paperboard box in the prior market, and a cover plate at the bottom of the paperboard box is easy to scatter and fall off when being carried due to the fact that the weight of an internal product is large.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the packaging paperboard box comprises a paperboard box body, wherein an upper cover plate is connected to the upper side of the paperboard box body, a lower cover plate is connected to the lower side of the paperboard box body, and hand-held holes are formed in the left side and the right side above the paperboard box body, so that the paperboard box body is convenient to carry;

further comprises:

the outer reinforcing plates are connected to the outer sides of the four corners of the carton body in an adhesive mode, the inner sides of the four corners of the carton body are connected with the inner reinforcing plates in an adhesive mode, and the upper ends of the inner reinforcing plates and the upper ends of the outer reinforcing plates are connected with top plates;

the fixed seat a is connected to the upper side of the lower cover plate at the right position, the upper side of the lower cover plate at the left position is connected with the fixed seat b, and the shape and the structure of the fixed seat b and the fixed seat a are the same;

the clamping seat is arranged on the left side wall and the right side wall of the inner side of the paper box body.

Preferably, the fixing seat a and the fixing seat b are both slidably connected with a fixing block, the middle part of the fixing block is connected with a moving rod, the fixing block is respectively and elastically connected with the fixing seat a and the fixing seat b through a compression spring, the other end of the moving rod is hinged with an adjusting rod, the other end of the adjusting rod is hinged with a clamping rod, and the clamping rod and the clamping seat are mutually clamped and connected.

Preferably, the outer reinforcing plate and the inner reinforcing plate are of L-shaped bending structures, the outer reinforcing plate and the inner reinforcing plate are arranged in a one-to-one correspondence mode, the outer reinforcing plate is connected with the inner reinforcing plate through the top plate penetrating through the sharp corners of the carton body, the outer reinforcing plate and the inner reinforcing plate can be guaranteed to be tightly attached to the bent corners of the carton body and the carton body, and the sharp corners of the carton body are reinforced.

Preferably, the fixing seat a and the fixing seat b are diagonally distributed, and the lengths of the fixing seat a and the fixing seat b are smaller than the length of the lower cover plate, so that the design can prevent the fixing seat a and the fixing seat b from obstructing the covering and the unfolding of the lower cover plate under the shrinkage state of the movable rod.

Preferably, the movable rod penetrates through the side walls of the fixed seat a and the fixed seat b to be in sliding connection with the fixed seat a and the fixed seat b, and the outer diameter of the movable rod is smaller than the length and the height of the fixed block.

Preferably, the clamping rod is of an inverted L-shaped structure, the clamping rod and the clamping seat are arranged in a mutually corresponding mode, the clamping rod can be clamped into the clamping seat through the design, the moving rod is limited to the outside of the fixed seat a and the fixed seat b, and the lower cover plate is reinforced and limited.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The packaging paperboard box with the sharp corner reinforcing structure is provided with the external reinforcing plate and the internal reinforcing plate, the external reinforcing plate and the internal reinforcing plate are assembled on the outer side and the inner side of the sharp corner bending part of the paperboard box body in a one-to-one correspondence manner, the external reinforcing plate and the internal reinforcing plate adapt to the shape of the sharp corner bending part of the paperboard box body and are tightly attached to the paperboard box body, the sharp corner part of the paperboard box body is reinforced and supported, and bending deformation caused by stress of the paperboard box body is avoided;

(2) This be provided with closed angle additional strengthening's packing cardboard case is provided with fixing base a and fixing base b, can shift out the movable rod of fixing base a and fixing base b department to control the regulation pole and rotate, adjust the position of clamping lever, with the clamping lever card to the cassette on, the cooperation holds the pulling force of the compression spring of power, can guarantee the firm block of clamping lever and cassette, utilize fixing base a and fixing base b that is diagonal distribution under the expansion state to consolidate spacingly to the apron down, avoid the apron atress to expand down.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the present utility model in a top-down configuration;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of the joint between the outer and inner reinforcement plates according to the present utility model;

FIG. 5 is a schematic sectional view of a fixing base a according to the present utility model;

fig. 6 is an enlarged schematic view of the structure of fig. 5 at B according to the present utility model.

In the figure: 1. a carton body; 2. an upper cover plate; 3. a lower cover plate; 4. a hand-held hole; 5. an outer reinforcing plate; 6. a top plate; 7. a fixed seat a; 8. a fixed seat b; 9. a moving rod; 10. an inner reinforcing plate; 11. a compression spring; 12. an adjusting rod; 13. a clamping rod; 14. a clamping seat; 15. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides the following technical solutions: the utility model provides a be provided with closed angle additional strengthening's packing cardboard case, includes carton body 1, and the upside of carton body 1 is connected with upper cover plate 2, and the downside of carton body 1 is connected with lower cover plate 3 to portable hole 4 has all been seted up to the left and right sides above carton body 1, is convenient for carry carton body 1; the outer reinforcing plate 5 is connected to the outer sides of the four corners of the carton body 1 in an adhesive mode, the inner sides of the four corners of the carton body 1 are connected with the inner reinforcing plate 10 in an adhesive mode, and the upper ends of the inner reinforcing plate 10 and the outer reinforcing plate 5 are connected with the top plate 6; the outer reinforcing plate 5 and the inner reinforcing plate 10 are of L-shaped bending structures, and the outer reinforcing plate 5 and the inner reinforcing plate 10 which are arranged in a one-to-one correspondence mode are connected through the top plate 6 penetrating through the sharp corners of the carton body 1.

According to the embodiment shown in fig. 1 and fig. 4, an inner reinforcing plate 10 is adhered to the bent part of the inner sharp corner of the carton body 1, an outer reinforcing plate 5 is adhered to the bent part of the outer sharp corner of the carton body 1, the tops of the outer reinforcing plate 5 and the inner reinforcing plate 10 are connected through a top plate 6, and the sharp corner of the carton body 1 is reinforced and supported by the outer reinforcing plate 5 and the inner reinforcing plate 10 to avoid bending deformation of the carton body 1 due to stress;

the fixed seat a7 is connected to the upper side of the lower cover plate 3 at the right position, the upper side of the lower cover plate 3 at the left position is connected with the fixed seat b8, and the shape and the structure of the fixed seat b8 and the fixed seat a7 are the same; the clamping seats 14 are arranged on the left and right side walls of the inner side of the carton body 1. The inside of fixing base a7 and fixing base b8 all sliding connection has fixed block 15, and the middle part of fixed block 15 is connected with movable rod 9 to fixed block 15 respectively with fixing base a7 and fixing base b8 elastic connection through compression spring 11, the other end of movable rod 9 articulates and is connected with regulation pole 12, and the other end of regulation pole 12 articulates and is connected with draw-in lever 13, and draw-in lever 13 and cassette 14 mutual block are connected. The fixing seat a7 and the fixing seat b8 are distributed diagonally, and the lengths of the fixing seat a7 and the fixing seat b8 are smaller than the length of the lower cover plate 3. The movable rod 9 penetrates through the side walls of the fixed seat a7 and the fixed seat b8 to be in sliding connection with the fixed seat a7 and the fixed seat b8, and the outer diameter of the movable rod 9 is smaller than the length and the height of the fixed block 15. The clamping rod 13 is of an inverted L-shaped structure, and the clamping rod 13 and the clamping seat 14 are correspondingly arranged.

As shown in fig. 2-3 and fig. 5-6, when the carton body 1 is assembled, the lower cover plate 3 is folded in half, then the movable rod 9 at the fixed seat a7 is pulled, the fixed block 15 arranged at the end part of the movable rod 9 slides in the fixed seat a7, the compression spring 11 is pressed and accumulated, the movable rod 9 is unfolded smoothly, the adjusting rod 12 can be rotated, so that the adjusting rod 12 is distributed in an inclined mode, the clamping rod 13 is pushed to move, the clamping rod 13 is connected with the end part of the adjusting rod 12 in a rotating mode, the position of the clamping rod 13 can be flexibly adjusted, the clamping rod 13 is clamped into the clamping seat 14 at the corresponding position, the structure of the fixed seat b8 is identical to the structure of the fixed seat a7, the movable rod 9 at the fixed seat b8 is unfolded according to the steps, the adjusting rod 12 is distributed in an inclined mode, meanwhile, the clamping rod 13 at the corresponding position is clamped into the clamping seat 14, and a group of the fixed seat a7, the movable rod 9, the adjusting rod 12, the clamping rod 13 and the clamping seat 14 are distributed diagonally, and the other group of the fixed seat b8, the movable rod 9, the adjusting rod 12, the clamping rod 13 and the clamping seat 14 are connected, so that the lower cover plate 3 is prevented from being unfolded under the condition of the cover plate.

Working principle: when the packaging cardboard box with the sharp corner reinforcing structure is used, the outer reinforcing plate 5 and the inner reinforcing plate 10 are used for reinforcing and supporting the sharp corners of the cardboard box body 1, the lower cover plate 3 is folded in half, the movable rod 9 is pulled, the fixed block 15 arranged at the end part of the movable rod 9 is used for extruding and storing the compression spring 11, the adjusting rod 12 is rotated, the position of the clamping rod 13 is flexibly adjusted, the clamping rod 13 is clamped into the clamping seat 14 at the corresponding position, the fixing seat a7, the movable rod 9 and the fixing seat b8 are used for reinforcing and limiting the lower cover plate 3 of the box cover, and the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The packaging paperboard box with the sharp corner reinforcing structure comprises a paperboard box body (1), wherein an upper cover plate (2) is connected to the upper side of the paperboard box body (1), a lower cover plate (3) is connected to the lower side of the paperboard box body (1), and hand-held holes (4) are formed in the left side and the right side above the paperboard box body (1) so as to facilitate carrying of the paperboard box body (1);

the method is characterized in that: further comprises:

the outer reinforcing plate (5) is connected to the outer sides of the four corners of the carton body (1) in an adhesive mode, the inner sides of the four corners of the carton body (1) are connected with the inner reinforcing plate (10) in an adhesive mode, and the upper ends of the inner reinforcing plate (10) and the outer reinforcing plate (5) are connected with the top plate (6);

a fixed seat a (7) connected to the upper side of the lower cover plate (3) at the right position, wherein a fixed seat b (8) is connected to the upper side of the lower cover plate (3) at the left position, and the shape and the structure of the fixed seat b (8) and the fixed seat a (7) are the same;

and the clamping seats (14) are arranged on the left side wall and the right side wall of the inner side of the carton body (1).

2. A packaging carton provided with pointed reinforcing structures as claimed in claim 1, wherein: fixing base a (7) with the inside of fixing base b (8) is all sliding connection has fixed block (15), just the middle part of fixed block (15) is connected with movable rod (9), and fixed block (15) pass through compression spring (11) respectively with fixing base a (7) with fixing base b (8) elastic connection, the other end of movable rod (9) articulates and is connected with regulation pole (12), just the other end of regulation pole (12) articulates and is connected with clamping rod (13), and clamping rod (13) with clamping seat (14) each other block is connected.

3. A packaging carton provided with pointed reinforcing structures as claimed in claim 1, wherein: the outer reinforcing plates (5) and the inner reinforcing plates (10) are of L-shaped bending structures, and the outer reinforcing plates (5) and the inner reinforcing plates (10) which are arranged in one-to-one correspondence are connected through the top plates (6) penetrating through sharp corners of the carton body (1).

4. A packaging carton provided with pointed reinforcing structures as claimed in claim 1, wherein: the fixing seats a (7) and the fixing seats b (8) are distributed diagonally, and the lengths of the fixing seats a (7) and the fixing seats b (8) are smaller than the length of the lower cover plate (3).

5. A packaging carton provided with pointed reinforcing structures as claimed in claim 2, wherein: the movable rod (9) penetrates through the side walls of the fixed seat a (7) and the fixed seat b (8) to be in sliding connection with the fixed seat a (7) and the fixed seat b (8), and the outer diameter of the movable rod (9) is smaller than the length and the height of the fixed block (15).

6. A packaging carton provided with pointed reinforcing structures as claimed in claim 2, wherein: the clamping rod (13) is of an inverted L-shaped structure, and the clamping rod (13) and the clamping seat (14) are arranged correspondingly.