CN109573239B

CN109573239B - High-strength corrugated carton

Info

Publication number: CN109573239B
Application number: CN201811312363.3A
Authority: CN
Inventors: 彭灿; 张帝
Original assignee: Hainan Danzhou Xinchao Packing Industry Co ltd
Current assignee: HAINAN DANZHOU XINCHAO PACKING INDUSTRY Co.,Ltd.
Priority date: 2018-11-06
Filing date: 2018-11-06
Publication date: 2020-08-14
Anticipated expiration: 2038-11-06
Also published as: CN109573239A

Abstract

The invention belongs to the technical field of corrugated cases, and particularly relates to a high-strength corrugated case which comprises a bottom plate and a case body; the box body is formed by folding a paper board, the lower end of the paper board is provided with a groove, and a first plastic insert is arranged in the groove; the first plastic insert comprises a first insert head, a first through hole and a second through hole; the bottom plate is provided with a first jack and a second jack; a bulge is arranged in the first jack; two ends of the paper board are connected through a clamping bracket; the clamping support comprises a right-angle support plate and an elastic pressing sheet, and the right-angle support plate is connected with the elastic pressing sheet through a connecting plate; the upper end of the paperboard is divided into box covers through bending lines, and three jacks are arranged on two opposite box covers and used for inserting adjacent box covers; according to the invention, the paper boards are clamped through the clamping support, on one hand, the integrity of the box body formed by the paper boards is ensured, and the connecting strength of the box body is improved; on the other hand, the connection of the clamping bracket maintains the overall shape of the box body, and the degree of stress deformation of the box body is reduced.

Description

High-strength corrugated carton

Technical Field

The invention belongs to the technical field of corrugated cartons, and particularly relates to a high-strength corrugated carton.

Background

Cartons are the most widely used packaging articles in modern society. Cartons are devices used to temporarily wrap products during their production, transport, storage and sale in order to protect and decorate them for good use. The paper box can be used for packaging small articles such as clothes, food and the like, and can also be used for packaging large articles such as televisions, refrigerators and the like, the application range is wide, and the paper box is deeply favored by people due to low price and good performance. The corrugated case is one kind of packing case, and has the features of low packing cost, effective use of resource, easy reuse, no environmental pollution, low cost, etc. and is used in packing various products. However, most of the existing corrugated cases are provided with a case body and a top cover, so that the existing corrugated cases are simple in structure and low in strength, and often have insufficient strength when articles which cannot be squeezed or collided are loaded, and the corrugated cases are easily squeezed and deformed or damaged in the transportation process, so that the articles in the corrugated cases can be influenced; meanwhile, in the social environment advocating saving nowadays, most of the existing corrugated cases can not be reused, and resources are wasted.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a high-strength corrugated case which is mainly used for solving the problems that the strength of the corrugated case is not enough and the corrugated case cannot be recycled.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a high-strength corrugated case which comprises a bottom plate and a case body connected to the bottom plate; the box body is formed by bending and folding a rectangular paperboard, the paperboard is divided into four side walls of the box body by bending lines which are uniformly distributed, a plurality of grooves which are uniformly distributed are formed in the lower end of the paperboard, and a first plastic insertion piece is connected in each groove; the first plastic inserting piece is formed by injection molding and comprises a first inserting piece head, a first through hole and a second through hole, the first inserting piece head is arranged at the lower end of the first plastic inserting piece, and a V-shaped groove is formed in the first inserting piece head to enable the first inserting piece head to form two sharp-horn-shaped structures; the first through hole is formed above the second through hole, the second through hole is located above the first inserting piece head, and the first through hole and the second through hole are both rectangular flat strip-shaped structures; the bottom plate is provided with a first jack and a second jack; the first jack is used for integrally inserting the first plastic insertion piece, a bulge is arranged in the first jack, and the bulge is used for inserting the first through hole to enable the paper board to be fixedly contacted with the bottom plate; the second jack is used for inserting the first inserting sheet head, so that the first plastic inserting sheet is fixed; the two ends of the paperboard are connected through a clamping bracket; the clamping support comprises a right-angle support plate and an elastic pressing sheet, and the right-angle support plate is connected with the elastic pressing sheet through a connecting plate; the upper end of the paperboard is divided into box covers through bending lines, three jacks are arranged on two opposite box covers, and the three jacks are used for inserting adjacent box covers; when the folding box works, a paperboard is folded into a box body along a bending line, the box body passes through a first plastic inserting sheet at the lower end of the box body and penetrates through a first inserting hole, a bulge in the first inserting hole is inserted into a first through hole on the first plastic inserting sheet, the first plastic inserting sheet is fixed for the first time, the first plastic inserting sheet inserted into the first inserting hole is bent and then inserted into a second inserting hole, a first inserting sheet head is inserted into the second inserting hole, and the first plastic inserting sheet is fixed for the second time, so that the box body is connected to a bottom plate more firmly, the first plastic inserting sheet is flexible and reusable, the repeated utilization rate of the box body is improved, resources are saved, and meanwhile, the box body is convenient to disassemble and assemble through the insertion connection of the first plastic inserting sheet, and the working efficiency is improved; after the paper board is connected to the bottom plate, the two ends of the paper board are connected through the clamping supports, on one hand, the integrity of the box body formed by the paper board is guaranteed through the connection of the clamping supports, objects stored in the box body cannot leak out, and the connection strength of the box body is improved; on the other hand, the connection of the clamping bracket maintains the overall shape of the box body, and the stress deformation degree of the box body is reduced; after articles are put into the box body, the box cover is bent along the bending line, adjacent box cover corners are inserted into the third insertion holes, the box body is sealed, the box cover corners are inserted into the corresponding third insertion holes, the efficiency of box body sealing work is improved, meanwhile, the box cover corners are sequentially inserted along one direction, and the firmness of box cover connection is guaranteed.

Preferably, the outer side of the bottom plate is provided with a second plastic insertion piece, a second insertion piece head is arranged on the second plastic insertion piece, and the second insertion piece head is used for being inserted into the second through hole to enable the first plastic insertion piece to be stably connected; when the plastic inserting piece is in work, the second plastic inserting piece head is inserted into the second through hole after the second plastic inserting piece is bent, so that the first plastic inserting piece is further fixed, the stability of the first plastic inserting piece during connection is improved, and the first plastic inserting piece is prevented from falling off in the working process; after No. two inserted sheet heads insert No. two through-holes simultaneously, form the structure of similar bottom plate support between with the bottom plate, play the effect of elastic buffer, improve the stability that the carton was placed.

Preferably, a first arc-shaped gap and a second arc-shaped gap are formed between the first plastic inserting sheet and the bottom plate after the first plastic inserting sheet and the second plastic inserting sheet are bent; when the carton is in work, the first arc-shaped gap and the second arc-shaped gap are used for buffering and absorbing shock, so that the carton and a placing surface are prevented from being damaged due to direct rigid contact stress; simultaneously, when the arc-shaped gap and the arc-shaped gap are extruded, the plastic inserting piece and the plastic inserting piece are connected more tightly, and the connection firmness of the box body is further improved.

Preferably, three four jacks which are uniformly distributed are arranged on two sides of the bending line on the paperboard along the vertical direction; elastic pieces are arranged at two adjacent corners of the paperboard, a third inserting piece head is correspondingly arranged on each elastic piece, and the third inserting piece head is arranged in a fourth inserting hole; when the folding box works, the elastic sheet is arranged at the bending position of the box body to support the paper board at the bending position, so that the compression resistance of the box body is improved, and the connection strength of the box body is improved; meanwhile, the supporting box body structure reduces the stress deformation degree of the box body when the corners of the box body are collided and deformed, and ensures that articles in the box body are not damaged and are convenient to recycle.

Preferably, a telescopic T-shaped plastic supporting sheet is arranged in the elastic sheet, and the upper end of the plastic supporting sheet is contacted with the bent box cover; when the box cover is in operation, the plastic support pieces are bent after the box cover is covered, and the plastic support pieces support the box cover, so that the box cover is prevented from being pressed and damaged when a box body or other heavy objects are accumulated; the T-shaped structure improves the stress area of the plastic support piece and improves the pressure capacity of the box cover; the T-shaped structure supports two adjacent connected box covers simultaneously, so that on one hand, the connection strength between the adjacent box covers is improved; the case cover is prevented from being supported only, and the case cover is easy to be unfolded in the using process, so that the use is not influenced.

Preferably, a gap is formed at the joint of the clamping bracket and the two ends of the paperboard; when the carton is in work, on one hand, if the carton is pressed to deform, gaps between the clamping bracket and the two ends of the carton can provide buffer space for deformation, and the structure of the carton body is prevented from being damaged to a certain extent; on the other hand, the paperboard can generate errors in the production process, the gap eliminates the problem of untight connection caused by the errors, and the paper board is suitable for various occasions.

The invention has the following beneficial effects:

1. according to the invention, the box body is folded by the paperboard along the bending line, the first plastic inserting sheet at the lower end passes through the first inserting hole, the bulge in the first inserting hole is inserted into the first inserting hole, the first plastic inserting sheet is fixed in the first step, the first plastic inserting sheet inserted into the first inserting hole is bent and then inserted into the second inserting hole, the first inserting sheet head is inserted into the second inserting hole, and the first plastic inserting sheet is fixed for the second time, so that the box body is more firmly connected to the bottom plate, and the first plastic inserting sheet is flexible and reusable, so that the repeated utilization rate of the box body is improved, resources are saved, and meanwhile, the box body is convenient to disassemble and assemble due to the insertion connection of the first plastic inserting sheet, and the working efficiency is improved; the carton is connected through piecing together the mode of inserting, and the dismouting of being convenient for is placed, but repetitious usage resources are saved.

2. After the paper board is connected to the bottom plate, the two ends of the paper board are connected through the clamping supports, on one hand, the integrity of the box body formed by the paper board is ensured through the connection of the clamping supports, the objects stored in the box body cannot be leaked out, and the connection strength of the box body is improved; on the other hand, the connection of the clamping bracket maintains the overall shape of the box body, and the degree of stress deformation of the box body is reduced.

3. According to the invention, after articles are loaded into the box body, the box covers are bent along the bending line, the adjacent box covers are inserted into the third jacks to seal the box body, the box covers are inserted into the corresponding third jacks, the efficiency of box body sealing work is improved, and meanwhile, the box covers are sequentially inserted along one direction, so that the firmness of box cover connection is ensured.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is an expanded view of the case of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view of the structure of the base plate;

FIG. 6 is a schematic cross-sectional view of the tank;

FIG. 7 is a schematic view of the connection of a first plastic tab to other components;

FIG. 8 is a schematic view of the construction of the elastic sheet;

in the figure: bottom plate 1, box 2, cardboard 3, case lid 31, No. three jacks 32, No. four jacks 33, plastics inserted sheet 4, inserted sheet head 41, No. one through-hole 42, No. two through-holes 43, No. one jack 5, No. two jacks 6, clamping support 7, right angle extension board 71, elasticity preforming 72, No. two plastics inserted sheets 8, No. two inserted sheet heads 81, an arc space 82, No. two arc spaces 83, elasticity piece 9, No. three inserted sheet heads 91, plastics support piece 92.

Detailed Description

A high-strength corrugated cardboard box according to an embodiment of the present invention will be described below with reference to fig. 1 to 8.

As shown in fig. 1 to 7, a high-strength corrugated box according to the present invention includes a bottom plate 1 and a box body 2 connected to the bottom plate 1; the box body 2 is formed by bending and folding a rectangular paperboard 3, the paperboard 3 is divided into four side walls of the box body 2 by bending lines which are uniformly distributed, a plurality of grooves which are uniformly distributed are formed in the lower end of the paperboard 3, and a first plastic inserting piece 4 is connected in each groove; the first plastic inserting piece 4 is formed by injection molding, the first plastic inserting piece 4 comprises a first inserting piece head 41, a first through hole 42 and a second through hole 43, the first inserting piece head 41 is arranged at the lower end of the first plastic inserting piece 4, and a V-shaped groove is formed in the first inserting piece head 41 to enable the first inserting piece head 41 to form two sharp-horn-shaped structures; the first through hole 42 is positioned above the second through hole 43, the second through hole 43 is arranged above the first inserting piece head 41, and the first through hole 42 and the second through hole 43 are both rectangular flat strip-shaped structures; the bottom plate 1 is provided with a first jack 5 and a second jack 6; the first insertion hole 5 is used for integrally inserting the first plastic insertion piece 4, a bulge is arranged in the first insertion hole 5, and the bulge is used for inserting the first through hole 42 to enable the paper board 3 to be fixedly contacted with the bottom plate 1; the second jack 6 is used for inserting the first inserting sheet head 41, so that the first plastic inserting sheet 4 is fixed; the two ends of the paper board 3 are connected through a clamping bracket 7; the clamping bracket 7 comprises a right-angle support plate 71 and an elastic pressing plate 72, and the right-angle support plate 71 and the elastic pressing plate 72 are connected through a connecting plate; the upper end of the paperboard 3 is divided into box covers 31 through bending lines, three insertion holes 32 are formed in the two opposite box covers 31, and the three insertion holes 32 are used for inserting the adjacent box covers 31; during operation, the paperboard 3 is folded into the box body 2 along a bending line, the box body 2 penetrates through the first insertion hole 5 through the first plastic insertion piece 4 at the lower end, a bulge in the first insertion hole 5 is inserted into the first through hole 42 in the first plastic insertion piece 4, the first plastic insertion piece 4 is fixed for the first time, the first plastic insertion piece 4 inserted into the first insertion hole 5 is bent and then inserted into the second insertion hole 6, the first insertion piece head 41 is inserted into the second insertion hole 6, and the first plastic insertion piece 4 is fixed for the second time, so that the box body 2 is firmly connected to the bottom plate 1, the first plastic insertion piece 4 is easy to bend and can be reused, the repeated utilization rate of the box body 2 is improved, resources are saved, meanwhile, the box body 2 is convenient to disassemble and assemble through the insertion connection of the first plastic insertion piece 4, and the working efficiency is improved; after the paper board 3 is connected to the bottom plate 1, the two ends of the paper board 3 are connected through the clamping supports 7, on one hand, the integrity of the box body 2 formed by the paper board 3 is guaranteed through the connection of the clamping supports 7, objects stored in the box body 2 cannot leak out, and the connection strength of the box body 2 is improved; on the other hand, the connection of the clamping bracket 7 maintains the overall shape of the box body 2, and reduces the degree of stress deformation of the box body 2; after putting into box 2 with article in, bend the case lid 31 along the line of bending to insert adjacent case lid 31 corner in No. three jacks 32, carry out the closure of box 2, through inserting case lid 31 corner in No. three jacks 32 that correspond, improved the efficiency that box 2 closed the work, simultaneously, insert in proper order along a direction, guaranteed the fastness that case lid 31 connects.

As shown in fig. 7, a second plastic insertion piece 8 is arranged on the outer side of the bottom plate 1, a second insertion piece head 81 is arranged on the second plastic insertion piece 8, and the second insertion piece head 81 is used for being inserted into the second through hole 43 to enable the first plastic insertion piece 4 to be stably connected; during working, after the second plastic insertion piece 8 is bent, the second insertion piece head 81 is inserted into the second through hole 43 to further fix the first plastic insertion piece 4, so that the stability of the first plastic insertion piece 4 during connection is improved, and the first plastic insertion piece 4 is prevented from falling off in the working process; meanwhile, after the second inserting head 81 is inserted into the second through hole 43, a structure similar to the bracket of the bottom plate 1 is formed between the second inserting head and the bottom plate 1, the elastic buffering effect is achieved, and the placing stability of the carton is improved.

As shown in fig. 7, after being bent, the first plastic insertion piece 4 and the second plastic insertion piece 8 respectively form a first arc-shaped gap 82 and a second arc-shaped gap 83 with the bottom plate 1; when the carton is in work, the first arc-shaped gap 82 and the second arc-shaped gap 83 are used for buffering and absorbing shock, so that the carton and a placing surface are prevented from being damaged due to direct rigid contact stress; simultaneously, when the first arc-shaped gap 82 and the second arc-shaped gap 83 are extruded, the first plastic inserting piece 4 and the second plastic inserting piece 8 are connected more tightly, and the connection firmness of the box body 2 is further improved.

As shown in fig. 1, 2 and 8, three four jacks 33 are uniformly distributed on two sides of the bending line on the paper board 3 along the vertical direction; the two adjacent corners of the paperboard 3 are provided with elastic pieces 9, the elastic pieces 9 are correspondingly provided with third inserting piece heads 91, and the third inserting piece heads 91 are arranged in the fourth inserting holes 33; when the folding box works, the elastic sheet 9 is arranged at the bending part of the box body 2 to support the paper board 3 at the bending part, so that the compression resistance of the box body 2 is improved, and the connection strength of the box body 2 is improved; simultaneously, 2 structures of supporting box, when the corner of box 2 bumps and warp, alleviate the degree that box 2 atress warp, guarantee that the article in the box 2 can not damage, the reuse of being convenient for.

As shown in fig. 8, a telescopic T-shaped plastic support 92 is arranged in the elastic piece 9, and the upper end of the plastic support 92 contacts with the bent case cover 31; when the box cover is in operation, after the box cover 31 is covered, the plastic support pieces 92 are bent, and the plastic support pieces 92 support the box cover 31, so that the box cover 31 is prevented from being pressed down and damaged when the box body 2 or other heavy objects are accumulated; the T-shaped structure improves the stress area of the plastic support piece 92 and improves the pressure capacity of the box cover 31; the T-shaped structure supports two adjacent connected box covers 31 at the same time, so that the connection strength between the adjacent box covers 31 is improved; the problem that only one box cover 31 is supported, and the box cover 31 is easily opened in the using process to influence use is avoided.

As shown in fig. 6, a gap is formed at the joint of the clamping bracket 7 and the two ends of the paper board 3; when the carton is in work, on one hand, if the carton is pressed to deform, gaps between the clamping bracket 7 and the two ends of the paper board 3 can provide buffer space for deformation, and the structure of the carton body 2 is prevented from being damaged to a certain extent; on the other hand, the paperboard 3 can generate errors in the production process, the gap eliminates the problem of untight connection caused by the errors, and the method is suitable for various occasions.

The specific working process is as follows:

during operation, the paperboard 3 is folded into the box body 2 along a bending line, the box body 2 penetrates through the first insertion hole 5 through the first plastic insertion piece 4 at the lower end, a bulge in the first insertion hole 5 is inserted into the first through hole 42 in the first plastic insertion piece 4, the first plastic insertion piece 4 is fixed for the first time, the first plastic insertion piece 4 inserted into the first insertion hole 5 is bent and then inserted into the second insertion hole 6, the first insertion piece head 41 is inserted into the second insertion hole 6, and the first plastic insertion piece 4 is fixed for the second time, so that the box body 2 is firmly connected to the bottom plate 1, the first plastic insertion piece 4 is easy to bend and can be reused, the repeated utilization rate of the box body 2 is improved, resources are saved, meanwhile, the box body 2 is convenient to disassemble and assemble through the insertion connection of the first plastic insertion piece 4, and the working efficiency is improved; after the paper board 3 is connected to the bottom plate 1, the two ends of the paper board 3 are connected through the clamping supports 7, on one hand, the integrity of the box body 2 formed by the paper board 3 is guaranteed through the connection of the clamping supports 7, the objects stored in the box body cannot leak out, and the connection strength of the box body 2 is improved; on the other hand, the connection of the clamping bracket 7 maintains the overall shape of the box body 2, and reduces the degree of stress deformation of the box body 2; after the article are put into the box body 2, the box cover 31 is bent along the bending line, the adjacent box cover 31 is inserted into the third insertion hole 32, the box body 2 is sealed, the box cover 31 is inserted into the corresponding third insertion hole 32, the efficiency of the sealing work of the box body 2 is improved, and meanwhile, the box cover 31 is sequentially inserted along one direction, and the connection firmness of the box cover 31 is ensured.

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a high strength corrugated box, includes bottom plate (1) and box (2) of connection on bottom plate (1), its characterized in that: the box body (2) is formed by bending and folding a rectangular paperboard (3), the paperboard (3) is divided into four side walls of the box body (2) by bending lines which are uniformly distributed, a plurality of grooves which are uniformly distributed are formed in the lower end of the paperboard (3), and a first plastic inserting piece (4) is connected in each groove; the first plastic inserting piece (4) is formed by injection molding, the first plastic inserting piece (4) comprises a first inserting piece head (41), a first through hole (42) and a second through hole (43), the first inserting piece head (41) is arranged at the lower end of the first plastic inserting piece (4), and a V-shaped groove is formed in the first inserting piece head (41) to enable the first inserting piece head (41) to form two sharp-horn-shaped structures; the first through hole (42) is positioned above the second through hole (43), the second through hole (43) is arranged above the first inserting piece head (41), and the first through hole (42) and the second through hole (43) are both rectangular flat strip-shaped structures; the bottom plate (1) is provided with a first jack (5) and a second jack (6); the first insertion hole (5) is used for integrally inserting the first plastic insertion piece (4), a bulge is arranged in the first insertion hole (5), and the bulge is used for inserting the first through hole (42) to enable the paper board (3) to be fixedly contacted with the bottom plate (1); the second jack (6) is used for inserting the first inserting sheet head (41) so that the first plastic inserting sheet (4) is fixed; the two ends of the paperboard (3) are connected through a clamping bracket (7); the clamping bracket (7) comprises a right-angle support plate (71) and an elastic pressing sheet (72), and the right-angle support plate (71) is connected with the elastic pressing sheet (72) through a connecting plate; case lid (31) have been cut apart through the line of bending in the upper end of cardboard (3), are equipped with No. three jack (32) on two relative case lids (31), and No. three jack (32) are used for the corner of adjacent case lid (31) to insert.

2. A high strength corrugated box as claimed in claim 1, wherein: the outside of bottom plate (1) is equipped with No. two plastics inserted sheet (8), is equipped with No. two inserted sheet heads (81) on No. two plastics inserted sheet (8), and No. two inserted sheet heads (81) are used for inserting No. two through-holes (43) and make a plastics inserted sheet (4) connect stably.

3. A high strength corrugated box as claimed in claim 2, wherein: a plastics inserted sheet (4) and No. two plastics inserted sheet (8) are crooked back and are formed an arc space (82) and No. two arc spaces (83) between respectively and bottom plate (1).

4. A high strength corrugated box as claimed in claim 1, wherein: three four jacks (33) which are uniformly distributed are arranged on two sides of the bending line on the paperboard (3) along the vertical direction; two adjacent corners are equipped with flexure strip (9) on cardboard (3), are provided with No. three insertion head (91) on flexure strip (9), and No. three insertion head (91) correspond and set up in No. four jack (33).

5. The high strength corrugated box as claimed in claim 4, wherein: a telescopic T-shaped plastic supporting piece (92) is arranged in the elastic piece (9), and the upper end of the plastic supporting piece (92) is contacted with the bent box cover (31).

6. A high strength corrugated box as claimed in claim 1, wherein: and a gap is formed at the joint of the clamping bracket (7) and the two ends of the paperboard (3).