CN111762418A

CN111762418A - Paper box and paper box blank

Info

Publication number: CN111762418A
Application number: CN202010726429.4A
Authority: CN
Inventors: 穆山燕; 郭成成
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2020-10-13

Abstract

The invention belongs to the technical field of packaging boxes, and particularly relates to a paper box and a paper box blank, which comprise a box body, a box cover, a handle and the paper box blank, wherein the box body is of a hollow cuboid structure, and the paper box blank is embedded in the box body; the box cover comprises a left box cover and a right box cover, the box cover is arranged at the top end of the box body, and handles are arranged on the left box cover and the right box cover; the splicing part of the box cover is provided with sawteeth and a first air bag filled with water absorption powder; the paper box blank comprises a contact layer, a buffer layer and a heat insulation layer from inside to outside, wherein the contact layer is made of a food-grade film and can be replaced; the invention can be used as a packing box for takeaway, has good sealing property and heat preservation property, can be repeatedly used for many times, saves resources, can be naturally degraded after the service life of the paper box is over, and avoids damaging the environment.

Description

Paper box and paper box blank

Technical Field

The invention belongs to the technical field of packaging boxes, and particularly relates to a paper box and a paper box blank.

Background

At present, plastic packaging bags or paper boxes are mainly adopted in the market for food distribution, but the packaging boxes made of plastic materials cannot be naturally degraded by the environment or are long in degradation time, and white pollution is easily generated, so that the packaging boxes made of paper are a better choice from the viewpoint of protecting the environment and reducing the white pollution. However, paper packaging boxes frequently used in the market are mostly bonded and fixed by chemical adhesives, so that the structural strength is low, the use is inconvenient, food is easily damaged, and the recycling rate is low.

In the chinese invention patent (application No. 2018100786794), the present invention discloses a paper box comprising: the carton comprises a carton body, a front panel, a rear panel, a left panel and a right panel, wherein the bottom panel, the front panel, the rear panel, the left panel and the right panel enclose a cavity with one open end; the front panel and the rear panel are connected with each other through the buckling assembly, the left panel and the right panel are provided with a fixing structure at one side far away from the bottom panel, the fixing structure comprises a first folding part and a second folding part, the first folding part, the left panel and the right panel are folded in half and extend into the cavity, and the first folding part is connected with the buckling assembly; the second folding part is folded with the first folding part in half and is connected with the bottom panel. The paper box is assembled through the buckle connecting structure, does not contain chemical adhesives, is stable in structure, can be repeatedly used, is convenient to use, and is green and environment-friendly; however, the patent also has the defects of poor heat preservation and incapability of resisting the external seepage water and the pollution of the internal food soup, which not only influences the quality of the placed food, but also leads the paper box to be incapable of being reused; for example, in rainy days, the paper boxes are used as packaging boxes for placing takeaway, and even if the paper boxes are wrapped by plastic bags on the outer sides, rainwater can easily penetrate into the paper boxes to pollute food, so that the serious consequence that the food cannot be eaten is caused; so that the technical solution is limited.

Therefore, the tower-shaped convex blocks are arranged on the surface of the fourth sawtooth of the right box cover of the carton, the second air bag is arranged on the surface of the left box cover opposite to the first sawtooth and the second air bag, when the left box cover is spliced with the right box cover, the tower-shaped convex blocks are matched with the second air bag, the sealing firmness of the carton is enhanced, and the water absorbing powder sprayed out by the extrusion of the spliced part of the first sawtooth and the second sawtooth of the left box cover can also absorb the permeated water, so that the quality of food placed in the carton is ensured.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that the existing takeaway paper box is poor in sealing property and heat preservation property and difficult to reuse, the invention provides a paper box and a paper box blank.

The technical scheme adopted by the invention for solving the technical problems is as follows: a paper box comprises a box body, a box cover, a handle and paper box blanks, wherein the box body is of a hollow cuboid structure, and the paper box blanks are embedded in the box body; the box cover comprises a left box cover and a right box cover, the box cover is arranged at the top end of the box body, and handles are arranged on the left box cover and the right box cover; the end part of the left box cover is sequentially provided with a first sawtooth and a second sawtooth from top to bottom, a first air bag is arranged at the combination part of the first sawtooth and the second sawtooth, water absorption powder is filled in the first air bag, and a third sawtooth, a fourth sawtooth and a fifth sawtooth are sequentially arranged at the end part of the right box cover from top to bottom; tower-shaped convex blocks are respectively symmetrically and uniformly arranged towards two sides along the center of the conical surface of the No. four sawteeth; through pegging graft each other left side lid and right side lid for No. four sawtooth extrudees an gasbag, the absorption of moisture is realized to the pressurized blowout of the powder of absorbing water in the gasbag.

When the air bag is in work, when the left box cover and the right box cover are mutually inserted, the fourth saw teeth are embedded between the first saw teeth and the second saw teeth, the end parts of the fourth saw teeth extrude the first air bag positioned between the first saw teeth and the second saw teeth, the first air bag deforms by extrusion, and the internal air pressure is increased at the same time, so that the water absorption powder in the first air bag is sprayed out along the spraying channel arranged at the top part, and the water absorption powder is scattered in gaps among the tower-shaped convex blocks; when sewage from the outside permeates into gaps among the tower-shaped convex blocks, the water absorption powder positioned in the gaps among the tower-shaped convex blocks can absorb permeated water, so that the dryness and sanitation of the internal environment of the box body are ensured; meanwhile, the water absorption powder moves downwards under the action of gravity and can pollute the inside of the box body, so that the tower-shaped convex blocks sequentially arranged on the surfaces of the four sawteeth stop part of the water absorption powder from moving downwards in the process of moving downwards, the tower-shaped convex blocks retain the part of the water absorption powder in gaps among the tower-shaped convex blocks, the water absorption powder is prevented from moving downwards, the water absorption powder is retained in the gaps among the tower-shaped convex blocks as much as possible, and the water is further reduced from permeating into the box body.

Preferably, the opposite surfaces of the first sawtooth and the second sawtooth are provided with a second air bag; a first cavity is arranged inside the left box cover and is respectively communicated with the two second air bags through a first passage; the second air bag is tightly attached to the tower-shaped convex blocks, so that the left box cover and the right box cover are further prevented from being separated in an inserted manner; the during operation is located No. two gasbags that sawtooth and No. two sawtooth relative surface installations receive No. three sawtooth extrusions that the surface is provided with tower-shaped lug for the inside gaseous pressurized of No. two gasbags flows to a cavity along a passageway, the cavity is inside to lead to atmospheric pressure increase because of gaseous increase, is located No. four tower-shaped lug that the sawtooth surface set up has increased the roughness of No. four sawteeth, make No. four sawteeth with laminating between No. two gasbags is inseparabler, makes grafting between left side lid and the right side lid more firmly be difficult to the separation.

Preferably, an arc-shaped pressing sheet is arranged between the outer side of the handle at the position of the left box cover and the left box cover; one end of the arc-shaped pressing sheet is fixedly connected to the top of the left box cover, and the other end of the arc-shaped pressing sheet is in contact with the outer side surface of the lifting handle at the left box cover; a second channel is arranged in the left box cover, one end of the second channel is communicated with the first cavity, and the opening of the other end of the second channel faces the lower surface of the arc-shaped pressing sheet; the gas in the first chamber is blocked by the arc-shaped pressing sheet after flowing out of the second passage, so that the gas reacts on the handle at the left box cover, the handle at the left box cover rotates towards one side of the handle at the right box cover, and the moisture is further prevented from entering the box body; during operation, because the inside atmospheric pressure grow of cavity and lead to some gas to flow along No. two passageways, because No. two passageway one end openings are towards arc preforming lower surface, so No. two gaseous redirecting flow directions after receiving blocking of arc preforming have been located the handle outside surface of left side box department is located the handle of left side box lid department receives gaseous effect to rotating to handle one side that is located right side box lid department for the combination between two handles is inseparable firm more, and two handles of inseparable combination simultaneously can be isolated for the box body and come from external various foreign matters, make the inside food of box body safer.

Preferably, the top and the bottom of the box body positioned on one side of the left box cover are respectively provided with a second cavity, each second cavity is communicated with the first cavity through a third channel, and a hard plate and an extrusion block are arranged in each second cavity; one end of the extrusion block is fixedly connected to the hard plate, and the other end of the extrusion block is in contact with the outer surface of the paper box blank; the gas in the first chamber is controlled to act on each hard plate, so that each extrusion block extrudes the paper box blank to keep the stability of the paper box blank; when the carton pressing device works, as the air pressure in the first chamber is increased, a part of air flows into each second chamber along the third channel, the cardboard in the second chamber moves towards the direction close to the carton blank under the action of the air flowing out, and the pressing block fixedly connected with one side of the hard board moves towards the outer side of the carton blank under the influence of the movement of the cardboard, so that the carton blank is kept stable relative to the box body, and the possibility that food placed in the carton blank topples over and cannot be eaten is reduced.

Preferably, each said expression block is at thirty degrees from horizontal; the during operation, the thirty degrees contained angles that extrusion piece and horizontal plane formed can make the contact surface of extrusion piece and carton embryo spare great, make the pressure distribution that carton embryo spare surface received the extrusion piece more even, can prevent to extrude in-process extrusion piece and cause the damage to the carton embryo spare, if inclination is less just to be difficult to exert the even effect of messenger carton embryo spare surface atress, if inclination is too big, great inclination leads to the reaction force that extrusion piece self received to distribute unevenly and cause the damage easily, consequently, it is a suitable selection to keep the thirty degrees angle of inclination of extrusion piece.

Preferably, the end part of the fourth sawtooth is provided with a pressing block with a hook-shaped cross section, and the water absorption powder entering the box body is further reduced by the hook-shaped pressing block to influence the quality of food placed in the box body; during operation, along with left lid and right box cover are pegged graft each other, are located the hook-shaped that No. four sawtooth tip set up presses the briquetting and gasbag in close contact with No. one, presses the hook-shaped tip of briquetting and has blockked the passageway that absorbs water powder moved down deeply the surface that has imbedded an gasbag, presses the special hook-shaped in briquetting top and can intercept the powder that absorbs water that moves down effectively, has further reduced the possibility that absorbs water powder gets into the box body, has guaranteed the safety of placing food in the box body.

A paper box blank is suitable for the paper box, and comprises a heat insulation layer, a buffer layer and a contact layer which are sequentially arranged from outside to inside; the contact layer is a food-grade film and can be replaced at any time according to requirements; floating beads are arranged between the buffer layer and the heat insulation layer, and through mutual matching of the heat insulation layer, the buffer layer and the contact layer, the floating beads are uniformly spread out, so that the heat insulation performance of the carton is further improved; when the paper box blank is in work, the heat insulation layer positioned on the outermost layer of the paper box blank plays a role in isolating heat, and when the weather is cold, the heat insulation layer can slow down the speed of cooling food placed in the paper box blank, so that a user has better dining experience; the buffer layer positioned in the middle of the paper box blank can effectively absorb vibration generated by improper use, and prevent food placed in the paper box blank from overturning and being incapable of being eaten; the contact layer positioned on the innermost layer of the paper box blank is made of a food-grade film, on one hand, the contact layer can be used as the last layer of food to protect and isolate the pollution from the outside, on the other hand, the contact layer can isolate the adverse effect of a small amount of soup possibly scattered by the food on the paper box blank, and the paper box blank can be repeatedly used after the contact layer is replaced; and floating beads are stored between the heat insulation layer and the buffer layer, the floating beads are uniformly spread under the combined action of the heat insulation layer, the buffer layer and the contact layer, and the uniformly distributed floating beads can further improve the heat insulation effect of the carton blank.

The invention has the following beneficial effects:

1. according to the paper box and the paper box blank, the tower-shaped convex blocks arranged on the surfaces of the fourth sawteeth are matched with the second air bag when the left box cover and the right box cover are spliced, and the first air bag arranged at the joint part of the first sawteeth and the second sawteeth is extruded by the splicing to spray water absorption powder, so that the sealing performance of the paper box is greatly improved, and foreign impurities and sewage can be effectively prevented from entering the box body to influence the quality of food.

2. According to the paper box and the paper box blank, the paper box blank is divided into the heat insulation layer, the buffer layer and the contact layer to play multiple roles, for example, the heat insulation layer is matched with floating beads stored between the heat insulation layer and the buffer layer to effectively play a role in heat insulation, so that the temperature of food placed in the paper box can be well kept even in a low-temperature environment, and in addition, the contact layer is made of the replaceable food-grade film, so that the sanitation of the food is guaranteed, and the paper box can be reused.

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 cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is a schematic view of the left and right covers of FIG. 3 shown when not yet inserted;

FIG. 7 is an enlarged view of a portion of FIG. 6 at D;

in the figure: the box body 1, a second chamber 11, a hard plate 12, an extrusion block 13, a box cover 2, a left box cover 21, a first sawtooth 211, a second sawtooth 212, a first air bag 213, a spraying channel 214, a second air bag 215, a first chamber 216, a first channel 217, a second channel 218, a third channel 219, a right box cover 22, a third sawtooth 221, a fourth sawtooth 222, a fifth sawtooth 223, a tower-shaped bump 224, a pressing block 225, a handle 3, an arc-shaped pressing sheet 31, a box blank 4, a heat insulation layer 41, a buffer layer 42, a contact layer 43 and a floating bead 44.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, the paper box of the present invention comprises a box body 1, a box cover 2, a handle 3 and a paper box blank 4, wherein the box body 1 is a hollow cuboid structure, and the paper box blank 4 is embedded in the box body 1; the box cover 2 comprises a left box cover 21 and a right box cover 22, the box cover 2 is arranged at the top end of the box body 1, and handles 3 are arranged on the left box cover 21 and the right box cover 22; the end part of the left box cover 21 is sequentially provided with a first sawtooth 211 and a second sawtooth 212 from top to bottom, a first air bag 213 is arranged at the joint part of the first sawtooth 211 and the second sawtooth 212, and water absorption powder is filled in the first air bag 213; the end part of the right box cover 22 is sequentially provided with a third sawtooth 221, a fourth sawtooth 222 and a fifth sawtooth 223 from top to bottom; the pyramid-shaped lugs 224 are respectively symmetrically and uniformly arranged towards two sides along the center of the conical surface of the fourth sawtooth 222; through mutually inserting left lid 21 and right lid 22 for No. four sawtooth 222 extrudes No. one gasbag 213, the powder that absorbs water in No. one gasbag 213 is pressurized and is spouted, realizes the absorption to moisture.

When the air bag is in work, when the left box cover 21 and the right box cover 22 are mutually inserted, the fourth saw tooth 222 is embedded between the first saw tooth 211 and the second saw tooth 212, so that the end part of the fourth saw tooth 222 extrudes the first air bag 213 positioned between the first saw tooth 211 and the second saw tooth 212, the first air bag 213 is extruded to deform, and the internal air pressure is increased at the same time, so that the water absorption powder in the first air bag 213 is sprayed out along the spraying channel 21 arranged at the top part, and the water absorption powder is scattered in gaps among the tower-shaped convex blocks 224; when sewage from the outside permeates into the gaps between the tower-shaped projections 224, the water-absorbing powder in the gaps between the tower-shaped projections 224 can absorb permeated water, so that the dryness and sanitation of the internal environment of the box body 1 are ensured; meanwhile, the water-absorbing powder can pollute the inside of the box body 1 when moving downwards under the action of gravity, so that the tower-shaped projections 224 arranged on the surfaces of the four-sawteeth 222 in sequence can trap a part of the water-absorbing powder in gaps among the tower-shaped projections 224 in sequence when the water-absorbing powder moves downwards, so that the water-absorbing powder is prevented from moving downwards, and the water-absorbing powder as much as possible is reserved in the gaps among the tower-shaped projections 224, and the water is further reduced from permeating into the box body 1.

In one embodiment of the present invention, a second air pocket 215 is installed on each of the opposite surfaces of the first saw tooth 211 and the second saw tooth 212; a first chamber 216 is arranged in the left box cover 21, and the first chamber 216 is respectively communicated with the two second airbags 215 through a first passage 217; the second air bag 215 and the tower-shaped convex block 224 are tightly attached to each other, so that the left box cover 21 and the right box cover 22 are further prevented from being inserted and separated; during operation, two No. two airbags 215 arranged on the opposite surfaces of the first sawtooth 211 and the second sawtooth 212 are extruded by the third sawtooth 221 with the tower-shaped convex blocks 224 arranged on the surfaces, so that gas inside the two No. two airbags 215 is pressed to flow to the first chamber 216 along the first channel 217, the gas inside the first chamber 216 is increased due to the increase of the gas, the surface roughness of the No. four sawtooth 222 is increased by the tower-shaped convex blocks 224 arranged on the surface of the No. four sawtooth 222, the No. four sawtooth 222 is attached to the second airbags 215 more tightly, and the left box cover 21 and the right box cover 22 are connected in an inserting mode and are difficult to separate.

As an embodiment of the present invention, an arc pressing sheet 31 is installed between the outer side of the handle 3 at the left box cover 21 and the left box cover 21; one end of the arc-shaped pressing piece 31 is fixedly connected to the top of the left box cover 21, and the other end of the arc-shaped pressing piece is in contact with the outer side surface of the lifting handle 3 at the position of the left box cover 21; a second channel 218 is arranged in the left box cover 21, one end of the second channel 218 is communicated with the first cavity 216, and the other end of the second channel 218 is opened towards the lower surface of the arc-shaped pressing sheet 31; the air in the first chamber 216 is blocked by the arc-shaped pressing sheet 31 after flowing out from the second channel 218, so that the air reacts on the handle 3 at the left box cover 21, the handle 3 at the left box cover 21 rotates towards one side of the handle 3 at the right box cover 22, and the moisture is further prevented from entering the box body 1; during operation, because the inside atmospheric pressure grow of cavity 216 leads to some gaseous along No. two passageways 218 outflow, because No. two passageway 218 one end openings face the arc preforming 31 lower surface, the gaseous redirecting that has flowed out of No. two passageways 218 has received arc preforming 31 to have blockked flows to the handle 3 outside surface that is located left box lid 21 department, handle 3 that is located left box lid 21 department receives gaseous effect to rotating handle 3 one side that is located right box lid 22 department for the combination between two handles 3 is inseparable firm, and two handles 3 that closely combine simultaneously can be for box body 1 isolated from the various foreign matters in the external world, make the food in the box body 1 safer.

As an embodiment of the invention, the top and the bottom of the box body 1 at one side of the left box cover 21 are respectively provided with a second chamber 11, each second chamber 11 is communicated with a first chamber 216 through a third channel 217, and each second chamber 11 is internally provided with a hard plate 12 and an extrusion block 13; one end of the extrusion block 13 is fixedly connected to the hard plate 12, and the other end of the extrusion block is in contact with the outer surface of the paper box blank 4; each of the carton blanks 4 is pressed by each of the pressing blocks 13 by controlling the gas of the first chamber 216 to act on each of the hard plates 12, so that the carton blanks 4 are kept stable; during operation, as the air pressure in the first chamber 216 increases, a part of air flows into each second chamber 11 along the third channel 217, the hard plate 12 located in the second chamber 11 moves towards the direction close to the carton blank 4 under the action of the flowing air, and the extrusion block 13 fixedly connected to one side of the hard plate 12 also moves towards the direction close to the carton blank 4 under the influence of the movement of the hard plate 12, so that the carton blank 4 is kept stable relative to the box body 1, and the possibility that food placed in the carton blank 4 topples over and cannot be eaten is reduced.

As an embodiment of the present invention, each of the squeezing blocks 13 is at thirty degrees from the horizontal plane; in operation, the thirty degrees contained angle that extrusion piece 13 and horizontal plane formed can make extrusion piece 13 and carton embryo spare 4's contact surface great, it is more even to make the distribution of pressure that carton embryo spare 4 surface received extrusion piece 13, can prevent to extrude in-process extrusion piece 13 and lead to the fact the damage to carton embryo spare 4, if inclination is less just difficult to exert the even effect of messenger's carton embryo spare 4 surface atress, if inclination is too big, great inclination leads to the reaction force that extrusion piece 13 self received to distribute unevenly and cause the damage easily, consequently, it is a suitable selection to keep the inclination of extrusion piece 13 thirty degrees.

As an embodiment of the invention, a pressing block 225 with a hook-shaped cross section is arranged at the end of the fourth sawtooth 222, and the water absorption powder entering the box body 1 is further reduced by the hook-shaped pressing block 225, so that the quality of food placed in the box body 1 is influenced; when the food storage box is in work, as the left box cover 21 and the right box cover 22 are inserted into each other, the hook-shaped pressing block 225 arranged at the end part of the fourth sawtooth 222 is tightly contacted with the first air bag 213, the hook-shaped end part of the pressing block 225 is deeply embedded into the surface of the first air bag 213 to block a channel for the water absorbing powder to move downwards, the special hook shape at the top of the pressing block 225 can effectively intercept the water absorbing powder moving downwards, the possibility that the water absorbing powder enters the box body 1 is further reduced, and the safety of food placed in the box body 1 is ensured.

A carton blank 4, the carton blank 4 is suitable for the carton described above, the carton blank 4 comprises a heat insulation layer 41, a buffer layer 42 and a contact layer 41 which are arranged in sequence from outside to inside; the contact layer 41 is a food-grade film, and the contact layer 41 can be replaced at any time according to requirements; floating beads 44 are arranged between the buffer layer 42 and the heat insulation layer 41, and through the mutual matching among the heat insulation layer 41, the buffer layer 42 and the contact layer 41, the floating beads 44 are uniformly spread out, so that the heat insulation performance of the carton is further improved; when the heat insulation device works, the heat insulation layer 41 positioned on the outermost layer of the paper box blank 4 plays a role in insulating heat, and when the weather is cold, the heat insulation layer 41 can slow down the speed of cooling food placed in the paper box blank 4, so that a eater has better dining experience; the buffer layer 42 positioned in the middle of the carton blank 4 can effectively absorb the vibration generated by improper use, and prevent the food placed in the carton blank 4 from overturning and being inedible; the contact layer 41 positioned on the innermost layer of the carton blank 4 is made of a food-grade film, on one hand, the contact layer 41 can be used as the last layer of food to protect and isolate the pollution from the outside, on the other hand, the contact layer 41 can isolate the adverse effect of a small amount of soup possibly scattered by the food on the carton blank 4, and the carton blank 4 can be ensured to be reused after the contact layer 41 is replaced; floating beads 44 are stored between the heat insulation layer 41 and the buffer layer 42, the floating beads 44 are uniformly spread out through the combined action of the heat insulation layer 41, the buffer layer 42 and the contact layer 41, and the heat insulation effect of the carton blank 4 can be further improved through the uniformly distributed floating beads 44.

When the left box cover 21 and the right box cover 22 are mutually inserted, the end part of the fourth sawtooth 222 extrudes the first air bag 213, so that the water absorption powder in the first air bag 213 is sprayed out from the spraying channel and is dispersed in a gap between the tower-shaped convex blocks 224 between the left box cover 21 and the right box cover 22 to absorb water, meanwhile, the tower-shaped convex blocks 224 can extrude the two second air bags 215 along with the fourth sawtooth 222, the air in the second air bag 215 flows to the first chamber 216 along the first channel 217 due to pressure, the close fit between the tower-shaped convex blocks 224 and the second air bags 215 not only strengthens the insertion firmness between the left box cover 21 and the right box cover 22, but also limits the movement of the water absorption powder in the gap between the tower-shaped convex blocks 224, and the close fit between the hook-shaped pressing blocks 225 arranged at the end part of the fourth sawtooth 222 and the second air bags 215 also further limits the movement of the water absorption powder; because the gas in the first chamber 216 increases the gas pressure to increase, a part of the gas will flow out along the second channel 218, and the gas is blocked by the arc-shaped pressing sheet 31 and reacts on the handle 3 at the left box cover 21 after flowing out, so that the handle 3 at the left box cover 21 rotates to the side of the handle 3 at the right box cover 22, and the external foreign matters are reduced from entering the box body 1; meanwhile, the other part of air in the first chamber 216 flows into each second chamber 11 along the third channel 217, the air acts on the hard plates 12 in each second chamber 11, each hard plate 12 and the extrusion blocks 13 fixedly connected with the hard plates move towards the direction of the carton blank and extrude the carton blank 4 to reduce the shaking of the carton blank, and the extrusion blocks 13 form an included angle of thirty degrees with the horizontal plane, so that the carton blank 4 can be kept stable better.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but 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 thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A carton, characterized by: the novel paper box comprises a box body (1), a box cover (2), a handle (3) and a paper box blank (4), wherein the box body (1) is of a hollow cuboid structure, and the paper box blank (4) is embedded in the box body (1); the box cover (2) comprises a left box cover (21) and a right box cover (22), the box cover (2) is installed at the top end of the box body (1), and handles (3) are installed on the left box cover (21) and the right box cover (22); the end part of the left box cover (21) is sequentially provided with a first sawtooth (211) and a second sawtooth (212) from top to bottom, a first air bag (213) is arranged at the joint part of the first sawtooth (211) and the second sawtooth (212), and water absorption powder is filled in the first air bag (213); the end part of the right box cover (22) is sequentially provided with a third sawtooth (221), a fourth sawtooth (222) and a fifth sawtooth (223) from top to bottom; the conical surface of the fourth sawtooth (222) is symmetrically and uniformly provided with tower-shaped convex blocks (224) along the center to two sides; through pegging graft each other left box lid (21) and right box lid (22) for No. four sawtooth (222) extrude gasbag (213), the powder that absorbs water in gasbag (213) is pressurized and is spouted from spouting way (214), realizes the absorption to moisture.

2. A carton as claimed in claim 1, wherein: the opposite surfaces of the first sawtooth (211) and the second sawtooth (212) are provided with a second air bag (215); a first chamber (216) is arranged in the left box cover (21), and the first chamber (216) is respectively communicated with the two second air bags (215) through a first channel (217); the second air bag (215) and the tower-shaped convex block (224) are tightly attached to each other, so that the left box cover (21) and the right box cover (22) are further prevented from being inserted and separated.

3. A carton as claimed in claim 2, wherein: an arc-shaped pressing sheet (31) is arranged between the outer side of the handle (3) positioned at the left box cover (21) and the left box cover (21); one end of the arc-shaped pressing piece (31) is fixedly connected to the top of the left box cover (21), and the other end of the arc-shaped pressing piece is in contact with the outer side surface of the lifting handle (3) positioned at the left box cover (21); a second channel (218) is arranged in the left box cover (21), one end of the second channel (218) is communicated with the first cavity (216), and the opening of the other end faces the lower surface of the arc-shaped pressing sheet (31); the gas of the first chamber (216) flows out from the second channel (218) and then is blocked by the arc-shaped pressing sheet (31), so that the gas reacts on the handle (3) located at the left box cover (21), the handle (3) located at the left box cover (21) rotates towards one side of the handle (3) located at the right box cover (22), and moisture is further prevented from entering the box body (1).

4. A carton as claimed in claim 3, wherein: the top and the bottom of the box body (1) on one side of the left box cover (21) are respectively provided with a second cavity (11), each second cavity (11) is communicated with the first cavity (216) through a third channel (219), and a hard plate (12) and an extrusion block (13) are arranged in each second cavity (11); one end of the extrusion block (13) is fixedly connected to the hard plate (12), and the other end of the extrusion block is contacted with the outer surface of the paper box blank (4); the gas of the first chamber (216) is controlled to act on each hard plate (12), so that each extrusion block (13) extrudes the carton blank (4) to keep the carton blank (4) stable.

5. A carton as claimed in claim 4, wherein: each of the squeeze blocks (13) is at thirty degrees from horizontal.

6. A carton as claimed in claim 5, wherein: the end part of the fourth sawtooth (222) is provided with a pressing block (225) with a hook-shaped section, and the water absorption powder is further reduced to enter the box body (1) through the hook-shaped pressing block (225), so that the quality of food placed in the box body (1) is influenced.

7. A carton blank, characterized by: the carton blank (4) is suitable for the carton of any one of claims 1 to 6, the carton blank (4) comprises a thermal insulating layer (41), a buffer layer (42) and a contact layer (43) which are arranged in sequence from the outside to the inside; the contact layer (43) is a food-grade film, and the contact layer (43) can be replaced at any time according to needs; floating beads (44) are arranged between the buffer layer (42) and the heat insulation layer (41), and through mutual matching among the heat insulation layer (41), the buffer layer (42) and the contact layer (43), the floating beads (44) are uniformly spread out, and the heat insulation performance of the carton is further improved.