CN209634867U - A kind of cardboard and carton - Google Patents

Abstract

The utility model relates to a kind of cardboard and cartons.Cardboard includes bottom plate, front side board, back side panel, hand hole stiffening plate, left side handhole plate and right side handhole plate equipped with hand hole；Front side board and back side panel are connected to the two opposite sides of bottom plate, and left side handhole plate and right side handhole plate are connected to the another two opposite side of bottom plate；Hand hole stiffening plate includes the first stiffening plate and the second stiffening plate being connected, and is equipped with perforation between the two；Four hand hole stiffening plates pass through the two opposite sides of its first stiffening plate connection front side board and the two opposite sides of back side panel respectively, and separation gap is equipped between hand hole stiffening plate and left side handhole plate and between hand hole stiffening plate and right side handhole plate.The utility model is folded by the first stiffening plate and the second stiffening plate is formed by plate thickness to increase forced area when hand carries carton, reduces portable sense of discomfort and not tearable；And pass through the setting of the first stiffening plate and the second stiffening plate, increase forced area when carton compression, to improve the compression strength of carton.

Description

A kind of cardboard and carton

Technical field

The utility model relates to field of product packaging, more specifically to a kind of cardboard and carton.

Background technique

Common carton is a kind of common product packaging form, is widely used in all trades and professions, various cartons Form is satisfied with daily life and industrial circle.But for some heavy items, pressure that its pile of common carton is subject to Power is very big, if intensity is inadequate, carton is easily-deformable, causes the damage product that collapses.Currently used carton is counterpart case, this kind of Carton up and down sealed with adhesive tape by two openings, sealing, and when carrying cabinet, due to cabinet, this body structure is insecure, easily goes out It the case where item bottom adhesive tape cracking, causes damages.When filling heavy items in carton, it will usually be installed additional in the two sides of carton Hand hole position is easy to carry, but hand hole position is done in aperture on single ply board, the limited mass that can lift, and the cardboard of single layer The forced area of hand is small, is easy to strangle hand, carton in use, needs frequent dragging or carrying, especially mentions heavy items When, will lead to hand hole position, stress is caused slack and undisciplined or is directly torn to shreds repeatedly.

Utility model content

The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of improved Cardboard and carton.

The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of cardboard, which is characterized in that packet Include bottom plate, front side board, back side panel, left side handhole plate, right side handhole plate and hand hole stiffening plate, the left side handhole plate and right side hand Orifice plate is equipped with hand hole；

First side of the front side board is connected to the first side of the bottom plate, and the first side of the back side panel is connected to described First side of second side of bottom plate, the bottom plate is opposite with second side of the bottom plate；First side of the left side handhole plate connects It is connected to the third side of the bottom plate, the first side of the right side handhole plate is connected to the 4th side of the bottom plate, the bottom plate Third side is opposite with the 4th side of the bottom plate；

There are four the hand hole stiffening plate is set, hand hole stiffening plate described in two of them is connected to the of the front side board The third side of two sides and the front side board, second side of the front side board are opposite with the third side of the front side board；Other two The hand hole stiffening plate is connected to second side of the back side panel and the third side of the back side panel, and the of the back side panel Two sides are opposite with the third side of the back side panel；It is equipped between the hand hole stiffening plate and the left side handhole plate and separates gap, It is equipped between the hand hole stiffening plate and the right side handhole plate and separates gap；

Each hand hole stiffening plate includes the first stiffening plate and the second stiffening plate being connected, first stiffening plate and The perforation of both connections is equipped between second stiffening plate；Four hand hole stiffening plates pass through the first of its first stiffening plate respectively Side connects second side of the front side board, the third side of the front side board, second side of the back side panel and the back side panel Third side；First side of second stiffening plate connects second side of first stiffening plate, and the second of first stiffening plate Side is opposite with the first side of first stiffening plate.

Preferably, the hand hole stiffening plate is integral, through rolling between first stiffening plate and second stiffening plate Trace line is distinguished.

Preferably, the hand hole stiffening plate further includes at least one third stiffening plate, at least one described third stiffening plate The first side be connected to second side of second stiffening plate, second side of second stiffening plate and second stiffening plate First side is opposite.

Preferably, the hand hole stiffening plate is integral, first stiffening plate, the second stiffening plate and third stiffening plate it Between distinguished through crease line.

Preferably, second side of the third stiffening plate is opposite with the first side of the third stiffening plate, and between the two Distance be less than or equal to second stiffening plate second side to the perforated edge the shortest distance；

The distance of second side of first side of second stiffening plate to second stiffening plate is less than or equal to described the Distance of first side of one stiffening plate to first stiffening plate；

First side of first stiffening plate to first stiffening plate second side distance be less than or equal to the bottom First side of plate to the bottom plate second side distance.

Preferably, the cardboard of the utility model further includes left plate and right side plate, and the first side of the left plate is connected to Second side of the left side handhole plate, second side of the left side handhole plate are opposite with the first side of the left side handhole plate；Institute The first side for stating right side plate is connected to second side of the right side handhole plate, second side of the right side handhole plate and the right side First side of handhole plate is opposite；

The left plate be equipped with through-hole corresponding with the hand hole of the left side handhole plate, the right side plate be equipped with The corresponding through-hole of hand hole of the right side handhole plate.

Preferably, second side of the left plate is opposite with the first side of the left plate, second side of the left plate Equipped with plate, the plate on the left plate is corresponded on the bottom plate and is equipped with the jack being inserted into for the plate；The right side Second side of plate is opposite with the first side of the right side plate, and second side of the right side plate is equipped with plate, corresponds on the bottom plate Plate on the right side plate is equipped with the jack being inserted into for the plate.

Preferably, the left plate is integral with the left side handhole plate, bottom plate, right side handhole plate and right side plate, It is distinguished between the left plate, left side handhole plate, bottom plate, right side handhole plate and right side plate through crease line.

Preferably, the cardboard of the utility model further includes the first cover board and the second cover board, the first side of first cover board It is connected to the 4th side of the front side board, the 4th side of the front side board is opposite with the first side of the front side board；Described second First side of cover board is connected to the 4th side of the back side panel, the 4th side of the back side panel and the first side phase of the back side panel It is right.

Preferably, first cover board is integral with the front side board, bottom plate, back side panel and the second cover board, described It is distinguished between first cover board, front side board, bottom plate, back side panel and the second cover board through crease line.

A kind of carton has also been constructed in the utility model, is enclosed using cardboard described in the utility model, the cardboard In bottom plate become the bottom of the carton, front side board, back side panel, left side handhole plate, right side handhole plate point in the cardboard Not Cheng Wei the carton first side, second side, third side and the 4th side；

Hand hole stiffening plate described in the two of them of the cardboard and the third side overlap, and on the left side handhole plate Hand hole and the hand hole stiffening plate on perforation overlap；Other two described hand hole stiffening plate and the described 4th of the cardboard Side overlapping, and the hand hole on the right side handhole plate and the perforation in the hand hole stiffening plate overlap.

Preferably, the first cover board in the cardboard becomes the first case lid of the carton, the second lid in the cardboard Plate becomes the second case lid of the carton；

Left plate in the cardboard becomes the 5th side of the carton, and the 5th side and the third side are folded Close, with the third side overlapping two hand hole stiffening plates between the third side and the 5th side, And the hand hole on the left side handhole plate, the through-hole overlapping in the perforation and the left plate in the hand hole stiffening plate；

Right side plate in the cardboard becomes the 6th side of the carton, and the 6th side and the 4th side are folded It closes, two hand hole stiffening plates with the 4th side overlapping are between the 4th side and the 6th side, and institute State the hand hole on the handhole plate of right side, the through-hole overlapping in perforation and the right side plate in the hand hole stiffening plate.

Preferably, the plate on the left plate is inserted on the bottom plate in corresponding jack；Inserting on the right side plate Plate is inserted on the bottom plate in corresponding jack.

The cardboard and carton for implementing the utility model have the advantages that the cardboard enclosing using the utility model At carton, it is formed by plate thickness by the first stiffening plate of hand hole stiffening plate and the folding of the second stiffening plate and forms wider handle Position come increase hand carry carton when forced area, reduce portable sense of discomfort, and not tearable, and pass through the first stiffening plate With the setting of the second stiffening plate, forced area when increasing carton compression reaches promotion and removes to improve the compression strength of carton Transport the purpose of intensity and user experience；And the bottom plate of cardboard be it is integrated, heavy items can be filled, there is no bottoms for carton The problem of coming unglued.

Detailed description of the invention

Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:

Fig. 1 is the structural schematic diagram of the utility model cardboard；

Fig. 2 is the structural schematic diagram of the utility model carton；

Fig. 3 is the structural schematic diagram after the carton of the utility model opens the first case lid and the second case lid；

Fig. 4 is the structural schematic diagram after the carton of the utility model opens the first cover board, the second cover board and right side plate；

Fig. 5 is the schematic diagram that baffle in the utility model carton is in folded state.

Specific embodiment

For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed Illustrate specific embodiment of the present utility model.It is to be appreciated that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.

As shown in Figure 1, the cardboard of the utility model includes bottom plate A, front side board B1, back side panel B2, left side handhole plate C1, the right side Side handhole plate C2 and hand hole stiffening plate D, left side handhole plate C1 and right side handhole plate C2 are equipped with hand hole 7；

The first side of front side board B1 is connected to the first side of bottom plate A, and the first side of back side panel B2 is connected to the second of bottom plate A First side of side, bottom plate A is opposite with second side of bottom plate A；The first side of left side handhole plate C1 is connected to the third side of bottom plate A, The first side of right side handhole plate C2 is connected to the 4th side of bottom plate A, and the third side of bottom plate A and the 4th side of bottom plate A are opposite；

There are four the hand hole stiffening plate D is set, two of them hand hole stiffening plate D is connected to second side of front side board B1 With the third side of front side board B1, second side of front side board B1 and the third side of front side board B1 are opposite；Other two hand hole stiffening plate D It is connected to second side of back side panel B2 and the third side of back side panel B2, second side of back side panel B2 and the third of back side panel B2 Side is opposite；Between hand hole stiffening plate D and left side handhole plate C1 be equipped with separate gap, by separate gap by hand hole stiffening plate D with Left side handhole plate C1 is separated；It is equipped between hand hole stiffening plate D and right side handhole plate C2 and separates gap, by separating gap for hand Hole stiffening plate D is separated with right side handhole plate C2；

Each hand hole stiffening plate D include the first stiffening plate D1 being connected and the second stiffening plate D2, the first stiffening plate D1 and The perforation 13 of both connections is equipped between second stiffening plate D2；Four hand hole stiffening plate D pass through its first stiffening plate D1's respectively First side connects second side of front side board B1, the third side of front side board B1, second side of back side panel B2 and the third of back side panel B2 Side；The first side of second stiffening plate D2 connects second side of the first stiffening plate D1, and second side of the first stiffening plate D1 adds with first The first side of strong plate D1 is opposite.

In the utility model, bottom plate A is formed by one piece of whole plate, i.e. the bottom plate of cardboard be it is integrated, heavy items can be filled, The case where coming unglued there is no bottom.Preferably, the cardboard is integral type cardboard, and integral type cardboard is not tearable, using one Carton made of body formula cardboard encloses, enhances the integral strength of carton, can fill heavy items.

Preferably, hand hole stiffening plate D is integral, through 2nd area of crease line between the first stiffening plate D1 and the second stiffening plate D2 Point.Perforation 13, for center line, is divided into the first stiffening plate D1 and second symmetrically arranged two parts of stiffening plate D2 with crease line 2, That is the half of perforation 13 is located at the first stiffening plate D1, and the other half of 13 of perforating is located at the second stiffening plate D2, realizes to perforate and 13 is connected to First stiffening plate D1 and the second stiffening plate D2.

In the cardboard of the utility model, hand hole stiffening plate D further includes at least one third stiffening plate D3 (such as Fig. 1 institute Show), the first side of at least one third stiffening plate D3 is connected to second side of the second stiffening plate D2, the second stiffening plate D2's Second side is opposite with the first side of the second stiffening plate D2.The first side phase of second side of third stiffening plate D3 and third stiffening plate D3 It is right, and distance between the two is less than or equal to second side of the second stiffening plate D2 to the shortest distance at 13 edges of perforation, with true Perforation 13 will not be covered in by protecting when third stiffening plate D3 is folded to the second stiffening plate D2.The first side of second stiffening plate D2 is to second The distance of first side to first stiffening plate D1 of the distance of second side of stiffening plate D2 less than or equal to the first stiffening plate D1；First The first side of stiffening plate D1 to the first stiffening plate D1 second side distance less than or equal to bottom plate A the first side to bottom plate A's The distance of second side.

Preferably, hand hole stiffening plate D is integral, the first stiffening plate D1, the second stiffening plate D2 and third stiffening plate D3 it Between distinguished through crease line.Specifically, the quantity of third stiffening plate D3 is one in an embodiment as shown in Figure 1, first reinforces It is distinguished between plate D1 and the second stiffening plate D2 through crease line 2, the second stiffening plate D2 and third stiffening plate D3 are distinguished through crease line 1. One hand hole stiffening plate D has 2 two crease lines of crease line 1 and crease line, after hand hole stiffening plate D is turned up along this two crease lines It is thick (see Fig. 4) to form three ply board.It should be understood that the quantity of third stiffening plate D3 can also be increased according to actual needs, then hand The crease line of hole stiffening plate D is also increase accordingly, i.e., selection folds number of plies N (N > 2) as needed, and three crease lines are formed after folding Four laminates are thick, and four crease lines form five laminates thickness ... ... and so on after folding, by the folding for increasing hand hole stiffening plate D The number of plies come greatly increase molding after carton compression strength.

In the present embodiment, at the hand hole 7 on left side handhole plate C1 and right side handhole plate C2 be equipped with baffle 9, the one of baffle 9 Side is fixedly connected with the edge of hand hole 7.When carrying carton, the baffle 9 at hand hole 7 (can be folded to carton interior bending fold Afterwards as shown in Figure 5), wider handle position (at least two layers of calliper) is formed, so that the weight that can be born at hand hole 7 is more Greatly, and not portable sense of discomfort.

As shown in Figure 1, the cardboard of the utility model further includes left plate E1 and right side plate E2, the first side of left plate E1 connects It is connected to second side of left side handhole plate C1, second side of left side handhole plate C1 is opposite with the first side of left side handhole plate C1；Right side The first side of plate E2 is connected to second side of right side handhole plate C2, and the of second side of right side handhole plate C2 and right side handhole plate C2 Side is opposite.Left plate E1 is equipped with through-hole 14 corresponding with the hand hole 7 of left side handhole plate C1, and right side plate E2 is equipped with and the right side The corresponding through-hole 14 of hand hole 7 of side handhole plate C2.As shown in Figure 1, being equipped with partitioning slot between left plate E1 and hand hole stiffening plate D Gap is separated left plate E1 and hand hole stiffening plate D by the separation gap；It is equipped between right side plate E2 and hand hole stiffening plate D Separate gap, is separated right side plate E2 and hand hole stiffening plate D by the separation gap.

As shown in Figure 1, second side of left plate E1 is opposite with the first side of left plate E1, second side of left plate E1 is equipped with Plate 10 corresponds to the plate 10 on left plate E1 on bottom plate A and is equipped with the jack 11 being inserted into for plate 10；The second of right side plate E2 Side is opposite with the first side of right side plate E2, and second side of right side plate E2 is equipped with plate 10, and inserting on right side plate E2 is corresponded on bottom plate A Plate 10 is equipped with the jack 11 being inserted into for plate 10.

In the present embodiment, left plate E1 and left side handhole plate C1, bottom plate A, right side handhole plate C2 and right side plate E2 are one It is whole, left plate E1, left side handhole plate C1, bottom plate A, distinguished through crease line between right side handhole plate C2 and right side plate E2.Such as It shown in Fig. 1, is distinguished between left plate E1 and left side handhole plate C1 through crease line 8, through folding line between left side handhole plate C1 and bottom plate A Line 18 is distinguished.

Further, the cardboard of the utility model further includes the of the first cover board F1 and the second cover board F2, the first cover board F1 Side is connected to the 4th side of front side board B1, and the 4th side of front side board B1 is opposite with the first side of front side board B1；Second cover board F2 The first side be connected to the 4th side of back side panel B2, the 4th side of back side panel B2 is opposite with the first side of back side panel B2.

Preferably, the first cover board F1 and front side board B1, bottom plate A, back side panel B2 and the second cover board F2 are integral, and first It is distinguished between cover board F1, front side board B1, bottom plate A, back side panel B2 and the second cover board F2 through crease line.Specifically, as shown in Figure 1, It distinguishes, is distinguished between front side board B1 and bottom plate A through crease line 16, bottom plate through crease line 17 between first cover board F1 and front side board B1 It distinguishes between A and back side panel B2 through crease line 15, is distinguished between back side panel B2 and the second cover board F2 through crease line 12.

In the preferred embodiment of the utility model cardboard shown in Fig. 1, cardboard is corrugated board, the face pressure on corrugated board There are several crease lines for folder, after its all crease line is carried out impression one by one respectively, then along crease line general watt Corrugated paper board folding forming will become the carton with a constant volume.In this embodiment, bottom plate A, front side board B1, back side panel B2, Left plate E1, left side handhole plate C1, right side plate E2, right side handhole plate C2 and hand hole stiffening plate D are that rectangle is (such as rectangular Shape), the width of hand hole stiffening plate D is less than the width of left side handhole plate C1 and right side handhole plate C2, front side board B1, back side panel B2, The width of left side handhole plate C1 and right side handhole plate C2 are equal.

As Figure 2-Figure 5, a kind of carton has also been constructed in the utility model, and the carton is using the cardboard in the utility model It encloses.Wherein, the bottom plate A in cardboard becomes the bottom of carton, front side board B1, back side panel B2, left side hand hole in cardboard Plate C1, right side handhole plate C2 respectively become first side, second side, third side and the 4th side of carton；

The two of them hand hole stiffening plate of cardboard and third side overlap, and hand hole 7 and hand hole on the handhole plate C1 of left side Perforation 13 on stiffening plate D overlaps；Other two hand hole stiffening plate of cardboard and the 4th side overlap, and on the handhole plate C2 of right side Hand hole 7 and hand hole stiffening plate D on perforation 13 overlap (as shown in Figure 4).

Further, in the present embodiment, the first cover board F1 in cardboard becomes the first case lid of carton, and the in cardboard Two cover board F2 become the second case lid of carton；

Left plate E1 in cardboard becomes the 5th side of carton, and the 5th side and third side overlap, with third side Two hand hole stiffening plate D of overlapping are between third side and the 5th side, and hand hole 7, hand hole on the handhole plate C1 of left side Through-hole 14 in perforation 13 and left plate E1 on stiffening plate D overlaps；

Right side plate E2 in cardboard becomes the 6th side of carton, and the 6th side and the 4th side overlap, with the 4th side Two hand hole stiffening plate D of overlapping are between the 4th side and the 6th side, and hand hole 7, hand hole on the handhole plate C2 of right side Through-hole 14 in perforation 13 and right side plate E2 on stiffening plate D overlaps.

Preferably, the plate 10 on left plate E1 is inserted on bottom plate A in corresponding jack 11 (as shown in Figure 3), right side plate Plate 10 on E2 is inserted on bottom plate A in corresponding jack 11.

It should be understood that the carton of the utility model can be corrugated case or other patterns made of corrugated board Cardboard made of carton.

Refering to fig. 1, the operation that the carton of the utility model is enclosed using the cardboard of the utility model is as follows: by third plus Strong plate D3 is folded along crease line 1 to the second stiffening plate D2, then by the second stiffening plate D2 and third stiffening plate D3 together along crease line 2 It is folded to the first stiffening plate D1, then the first stiffening plate D1, the second stiffening plate D2 and third stiffening plate D3 continue together along folding line Line 3 folds, and perforation 13 forms the notch 19 of a doubling；Since cardboard box structure is upper and lower and bilateral symmetry, similarly operate It is connected to the hand hole stiffening plate D of back side panel B2 third side and is connected to second side of front side board B1 and the hand hole of third side two sides Stiffening plate D；Back side panel B2 is flipped up together with the hand hole stiffening plate D that its two sides has folded along crease line 15 again, makes to roll over Trace line 1,2,3 and crease line 18 carry out square crossing；And the hand hole stiffening plate D mono- for having folded front side board B1 and its two sides It rises and is flipped up along crease line 16, crease line 4,5,6 and crease line 18 is made to carry out square crossing；Then by left plate E1 along folding line Line 8 is flipped up, while overturning crease line 18, so that the plate 10 on left plate E1 is inserted into the jack 11 on bottom plate A, is similarly operated The part right side plate E2；Finally the first cover board F1 is flipped up along crease line 17, and by the second cover board F2 along crease line 12 to Upper fold.

After first cover board F1 and the second cover board F2 are closed, the structure of entire carton is as shown in Figure 2.By the first cover board F1 and Entire cardboard box structure after second cover board F2 is opened is as shown in Figure 3.After carton assembles, the hand hole 7 and hand of left side handhole plate C1 The through-hole 14 on notch 19 and left plate E1 that perforation 13 on the stiffening plate D of hole is formed successively overlaps, and constitutes and is located at carton the The handle aperture of three sides；Notch 19 that similarly hand hole 7 of right side handhole plate C2 and the perforation 13 on hand hole stiffening plate D are formed and Through-hole 14 on right side plate E2 successively overlaps (as shown in figs. 3 and 5), constitutes the handle aperture for being located at the 4th side of carton, handle aperture Hand is put in carry to carton for people.

In conclusion the cardboard using the utility model encloses carton, pass through the first stiffening plate D1 of hand hole stiffening plate D With the second stiffening plate D2 fold be formed by plate thickness form wider handle position increase hand carry carton when stress surface Product reduces portable sense of discomfort and not tearable, and passes through the setting of the first stiffening plate D1 and the second stiffening plate D2, increases carton Forced area when resistance to compression achievees the purpose that be promoted and carries intensity and user experience to improve the compression strength of carton；And The bottom plate A of cardboard be it is integrated, heavy items can be filled, the problem of carton comes unglued there is no bottom.Use the utility model Cardboard and carton can be greatly reduced existing product packaging packing cost, pack heavy items when, reduce the discomfort of carrying Sense promotes user experience.It is at low cost compared to compared with the product of weight is using wooden case or the double-deck packed in cases, carrying.

It should be understood that above embodiments only express preferred embodiments of the present invention, describe more specific With it is detailed, but it should not be understood as limiting the scope of the patent of the utility model；It should be pointed out that for this field Those of ordinary skill for, without departing from the concept of the premise utility, can to above-mentioned technical characterstic carry out freely Combination, various modifications and improvements can be made, and these are all within the protection scope of the present invention；Therefore, all practical with this The equivalents and modification that novel scope of the claims is done, should belong to the covering scope of the utility model claims.

Claims (13)

1. a kind of cardboard, which is characterized in that including bottom plate A, front side board B1, back side panel B2, left side handhole plate C1, right side handhole plate C2 and hand hole stiffening plate D, the left side handhole plate C1 and right side handhole plate C2 are equipped with hand hole (7)；

The first side of the front side board B1 is connected to the first side of the bottom plate A, and the first side of the back side panel B2 is connected to institute Second side of bottom plate A is stated, the first side of the bottom plate A is opposite with second side of the bottom plate A；The of the left side handhole plate C1 Side is connected to the third side of the bottom plate A, and the first side of the right side handhole plate C2 is connected to the 4th side of the bottom plate A, The third side of the bottom plate A is opposite with the 4th side of the bottom plate A；

There are four the hand hole stiffening plate D is set, hand hole stiffening plate D described in two of them is connected to the of the front side board B1 The third side of two sides and the front side board B1, second side of the front side board B1 are opposite with the third side of the front side board B1；Separately Outer two hand hole stiffening plate D are connected to the third side of second side and the back side panel B2 of the back side panel B2, institute The second side for stating back side panel B2 is opposite with the third side of the back side panel B2；The hand hole stiffening plate D and the left side handhole plate It is equipped between C1 and separates gap, be equipped between the hand hole stiffening plate D and the right side handhole plate C2 and separate gap；

Each hand hole stiffening plate D includes the first stiffening plate D1 being connected and the second stiffening plate D2, first stiffening plate The perforation (13) of both connections is equipped between D1 and the second stiffening plate D2；Four hand hole stiffening plate D pass through respectively its first The first side of stiffening plate D1 connects second side of the front side board B1, the third side of the front side board B1, the back side panel B2 The third side of second side and the back side panel B2；The first side of the second stiffening plate D2 connects the of the first stiffening plate D1 Two sides, second side of the first stiffening plate D1 are opposite with the first side of the first stiffening plate D1.

2. cardboard according to claim 1, which is characterized in that the hand hole stiffening plate D is integral, and described first reinforces It is distinguished between plate D1 and the second stiffening plate D2 through crease line.

3. cardboard according to claim 1, which is characterized in that the hand hole stiffening plate D further includes that at least one third adds The first side of strong plate D3, at least one third stiffening plate D3 are connected to second side of the second stiffening plate D2, and described the Second side of two stiffening plate D2 is opposite with the first side of the second stiffening plate D2.

4. cardboard according to claim 3, which is characterized in that the hand hole stiffening plate D is integral, and described first reinforces It is distinguished between plate D1, the second stiffening plate D2 and third stiffening plate D3 through crease line.

5. cardboard according to claim 3, which is characterized in that second side of the third stiffening plate D3 adds with the third The first side of strong plate D3 is opposite, and the second side of distance between the two less than or equal to the second stiffening plate D2 is worn described in The shortest distance at hole (13) edge；

The distance of second side of the first side of the second stiffening plate D2 to the second stiffening plate D2 are less than or equal to described the Distance of the first side of one stiffening plate D1 to the first stiffening plate D1；

The first side of the first stiffening plate D1 to the first stiffening plate D1 second side distance be less than or equal to the bottom The first side of plate A to the bottom plate A second side distance.

6. cardboard according to claim 1, which is characterized in that the cardboard further includes left plate E1 and right side plate E2, institute The first side for stating left plate E1 is connected to second side of the left side handhole plate C1, second side of the left side handhole plate C1 and institute The first side for stating left side handhole plate C1 is opposite；The first side of the right side plate E2 is connected to the second of the right side handhole plate C2 Side, second side of the right side handhole plate C2 are opposite with the first side of the right side handhole plate C2；

The left plate E1 is equipped with through-hole (14) corresponding with hand hole (7) of the left side handhole plate C1, the right side plate E2 is equipped with through-hole (14) corresponding with hand hole (7) of the right side handhole plate C2.

7. cardboard according to claim 6, which is characterized in that second side of the left plate E1 is with the left plate E1's First side is opposite, and second side of the left plate E1 is equipped with plate (10), and inserting on the left plate E1 is corresponded on the bottom plate A Plate (10) is equipped with the jack (11) being inserted into for the plate (10)；

Second side of the right side plate E2 is opposite with the first side of the right side plate E2, and second side of the right side plate E2, which is equipped with, inserts Plate (10) corresponds to the plate (10) on the right side plate E2 on the bottom plate A and is equipped with the jack being inserted into for the plate (10) (11)。

8. cardboard according to claim 6, which is characterized in that the left plate E1 and the left side handhole plate C1, bottom plate A, right side handhole plate C2 and right side plate E2 are integral, the left plate E1, left side handhole plate C1, bottom plate A, right side handhole plate It is distinguished between C2 and right side plate E2 through crease line.

9. cardboard according to claim 1, which is characterized in that the cardboard further includes the first cover board F1 and the second cover board The first side of F2, the first cover board F1 are connected to the 4th side of the front side board B1, the 4th side of the front side board B1 and institute The first side for stating front side board B1 is opposite；The first side of the second cover board F2 is connected to the 4th side of the back side panel B2, described The 4th side of back side panel B2 is opposite with the first side of the back side panel B2.

10. cardboard according to claim 9, which is characterized in that the first cover board F1 and the front side board B1, bottom plate A, Back side panel B2 and the second cover board F2 are integral, the first cover board F1, front side board B1, bottom plate A, the lid of back side panel B2 and second It is distinguished between plate F2 through crease line.

11. a kind of carton, which is characterized in that enclosed using the described in any item cardboards of claim 1-10, the cardboard In bottom plate A become the bottom of the carton, front side board B1, back side panel B2, left side handhole plate C1, right side hand in the cardboard Orifice plate C2 respectively becomes first side, second side, third side and the 4th side of the carton；

Hand hole stiffening plate described in the two of them of the cardboard and the third side overlap, and on the left side handhole plate C1 Perforation (13) on hand hole (7) and the hand hole stiffening plate D overlaps；Other two described hand hole stiffening plate of the cardboard and institute The 4th side overlapping is stated, and the hand hole (7) on the right side handhole plate C2 and the perforation (13) on the hand hole stiffening plate D are folded It closes.

12. carton according to claim 11, which is characterized in that the first cover board F1 in the cardboard becomes the carton The first case lid, the second cover board F2 in the cardboard becomes the second case lid of the carton；

Left plate E1 in the cardboard becomes the 5th side of the carton, and the 5th side and the third side are folded Close, with the third side overlapping two hand hole stiffening plate D between the third side and the 5th side, And the hand hole (7) on the left side handhole plate C1, leading in the perforation (13) and the left plate E1 on the hand hole stiffening plate D Hole (14) overlapping；

Right side plate E2 in the cardboard becomes the 6th side of the carton, and the 6th side and the 4th side are folded It closes, two hand hole stiffening plate D with the 4th side overlapping are between the 4th side and the 6th side, and institute State the hand hole (7) on the handhole plate C2 of right side, the through-hole in perforation (13) and the right side plate E2 on the hand hole stiffening plate D (14) it overlaps.

13. carton according to claim 12, which is characterized in that the plate (10) on the left plate E1 is inserted in the bottom On plate A in corresponding jack (11)；Plate (10) on the right side plate E2 is inserted in corresponding jack (11) on the bottom plate A In.