阅读说明：本技术 一种具有食品保鲜保温的包装纸箱 (Packaging carton with food preservation and heat preservation functions ) 是由 刘定伟 于 2021-01-12 设计创作，主要内容包括：本发明公开了一种具有食品保鲜保温的包装纸箱,包括第一箱板和第二箱板,第一箱板和第二箱板均对称设置有两块,其四块箱板之间组合形成一个矩形框体结构,第一箱板的下端设置有下位横向折叠板,且其上端设置有上位横向折叠板,且第一箱板的右侧边设置有第一连接耳板,第二箱板的下侧边设置有下位纵向折叠板,且其上端设置有上位纵向折叠板,且第二箱板的右侧边设置有第二连接耳板；通过在第一箱板外侧面开设横向透气孔,内侧面开设第一气孔和第二气孔,并在第二箱板外侧面开设纵向透气孔,内侧面开设第三气孔和第四气孔,并将其内外侧的气孔呈错位设置,从而在保证其箱体透气性的同时,可以有效保证其箱体的保温效果。(The invention discloses a packaging carton with food preservation and heat preservation, which comprises a first box board and a second box board, wherein the first box board and the second box board are symmetrically provided with two boxes, a rectangular frame structure is formed by combining four box boards, the lower end of the first box board is provided with a lower transverse folding board, the upper end of the first box board is provided with an upper transverse folding board, the right side edge of the first box board is provided with a first connecting lug plate, the lower side edge of the second box board is provided with a lower longitudinal folding board, the upper end of the second box board is provided with an upper longitudinal folding board, and the right side edge of the second box board is provided with a second connecting lug plate; the transverse air holes are formed in the outer side surface of the first box plate, the first air holes and the second air holes are formed in the inner side surface of the first box plate, the longitudinal air holes are formed in the outer side surface of the second box plate, the third air holes and the fourth air holes are formed in the inner side surface of the second box plate, and the air holes in the inner side and the outer side of the second box plate are arranged in a staggered mode, so that the heat preservation effect of the box body can be effectively guaranteed while the air permeability of.)

1. The utility model provides a packing carton with food keeps fresh and keeps warm, includes first boxboard (1) and second boxboard (2), its characterized in that: the first box board (1) and the second box board (2) are symmetrically provided with two blocks, four box boards are combined to form a rectangular frame structure, the lower end of the first box board (1) is provided with a lower transverse folding board (3), the upper end of the first box board is provided with an upper transverse folding board (4), the right side edge of the first box board (1) is provided with a first connecting lug plate (9), the lower side edge of the second box board (2) is provided with a lower longitudinal folding board (5), the upper end of the second box board is provided with an upper longitudinal folding board (6), the right side edge of the second box board (2) is provided with a second connecting lug plate (12), the first connecting lug plate (9) on the right side of the first box board (1) is connected with a board body of an adjacent second box board (2) in a nailing manner through a nail pin, the second connecting lug plate (12) on the right side of the second box board (2) is connected with a board body of an adjacent first box board (1) in a nailing manner through a nailing pin, horizontal bleeder vent (7) have been seted up to the lateral surface of first boxboard (1), and first gas pocket (10) and second gas pocket (11) have been seted up to the medial surface of its plate body, vertical bleeder vent (8) have been seted up to the lateral surface of second boxboard (2), and third gas pocket (13) and fourth gas pocket (14) have been seted up to the medial surface of its plate body.

2. The packaging carton with food fresh-keeping and heat-preservation functions as claimed in claim 1, wherein: the first box board (1) is formed by combining an outer layer board body (15), an inner layer board body (16) and a supporting piece (17), and the supporting piece (17) is formed by combining a supporting frame (18) and a reinforcing support (19).

3. The packaging carton with food fresh-keeping and heat-preservation functions as claimed in claim 2, wherein: the both sides face of carriage (18) is fixed the cementing with the lateral surface of outer plate body (15) medial surface, inlayer plate body (16) respectively, the cross-section of strengthening support (19) is the cross, and its cross-section with carriage (18) is separated for four isosceles triangle.

4. The packaging carton with food fresh-keeping and heat-preservation functions as claimed in claim 2, wherein: the supporting pieces (17) between the outer-layer plate body (15) and the inner-layer plate body (16) are provided with a plurality of groups at equal intervals, and an air cavity structure is reserved between the adjacent supporting pieces (17).

5. The packaging carton with food fresh-keeping and heat-preservation functions as claimed in claim 2, wherein: outer plate body (15) comprise first cardboard (20), second cardboard (21) and first backup pad (22) combination, inner plate body (16) comprise third cardboard (23), fourth cardboard (24) and second backup pad (25) combination, the cross-section of first backup pad (22) and second backup pad (25) all is continuous M type, and the edges and corners direction of first backup pad (22) and second backup pad (25) is the vertical relation with the axis direction that sets up of support piece (17).

6. The packaging carton with food fresh-keeping and heat-preservation functions as claimed in claim 1, wherein: the structure of the second box board (2) is the same as that of the first box board (1), and the folded plate structures at the upper end and the lower end of the first box board (1) and the second box board (2) are formed by bonding an outer layer board body (15) and an inner layer board body (16) on the box boards.

7. The packaging carton with food fresh-keeping and heat-preservation functions as claimed in claim 1, wherein: the horizontal air hole (7) and the vertical air hole (8) are completely penetrated through the outer plate body (15), the first air hole (10), the second air hole (11), the third air hole (13) and the fourth air hole (14) are completely penetrated through the inner plate body (16), and the horizontal air hole (7), the vertical air hole (8), the first air hole (10), the second air hole (11), the third air hole (13) and the fourth air hole (14) are communicated with the air cavity structures between the outer plate body (15) and the inner plate body (16).

8. The packaging carton with food fresh-keeping and heat-preservation functions as claimed in claim 5, wherein: the outer surface of the first paperboard (20), the inner surface of the second paperboard (21), the outer surface of the third paperboard (23), the inner surface of the fourth paperboard (24) and the outer surface of the supporting frame (18) are coated with waterproof films.

Technical Field

The invention relates to the related technical field of packaging cartons, in particular to a packaging carton with food preservation and heat preservation functions.

Background

With the improvement of the quality of life, people have higher consumption demands on the season and freshness of melons, fruits and vegetables. At present, in the transportation process, the sealed box body is often used for packaging melons, fruits and vegetables, and then the melons, the fruits and the vegetables are transported to the destination. In whole transportation, the temperature is uncontrollable, ventilation condition is poor, high temperature weather is met, melon and fruit vegetables are rotten very easily, cause very big waste and economic loss, and when cold-stored transportation to low temperature, traditional packing carton is in the higher walk-in of moisture, its carton body wets easily, thereby the bulk strength that leads to the paper box body becomes low, thereby lead to the carton body to be extremely fragile at the in-process of later stage transport, thereby lead to inside melon and fruit vegetables to roll out, its clearance repackages its trouble of coming very, and roll-out melon and fruit vegetables receive after colliding with, then can accelerate its decay and rot.

Disclosure of Invention

The invention aims to provide a packaging carton with food preservation and heat preservation, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a packaging carton with food preservation and heat preservation comprises a first box board and a second box board, wherein the first box board and the second box board are symmetrically arranged in two, a rectangular frame structure is formed by combining four box boards, a lower transverse folding board is arranged at the lower end of the first box board, an upper transverse folding board is arranged at the upper end of the first box board, a first connecting lug board is arranged at the right side edge of the first box board, a lower longitudinal folding board is arranged at the lower side edge of the second box board, an upper longitudinal folding board is arranged at the upper end of the second box board, a second connecting lug board is arranged at the right side edge of the second box board, the first connecting lug board at the right side of the first box board is connected with the board body of the adjacent second box board in a nailing mode through a nailing needle, the second connecting lug board at the right side of the second box board is connected with the board body of the adjacent first box board in a nailing mode through a nailing needle, and the outer side surface of the first box board is provided with a transverse air hole, and the inner side surface of the plate body is provided with a first air hole and a second air hole, the outer side surface of the second box plate is provided with a longitudinal air hole, and the inner side surface of the plate body is provided with a third air hole and a fourth air hole.

Preferably, the first box board is formed by combining an outer layer board body, an inner layer board body and a support piece, and the support piece is formed by combining a support frame and a reinforcing support.

Preferably, the both sides face of carriage is fixed the cementing with the lateral surface of outer plate body medial surface, inlayer plate body respectively, it is the cross to strengthen the cross-section that supports, and its cross-section with the carriage is separated for four isosceles triangle.

Preferably, the supporting pieces between the outer-layer plate body and the inner-layer plate body are provided with a plurality of groups at equal intervals, and an air cavity structure is reserved between the adjacent supporting pieces.

Preferably, outer plate body comprises first cardboard, second cardboard and first backup pad combination, the inlayer plate body comprises third cardboard, fourth cardboard and second backup pad combination, the cross-section of first backup pad and second backup pad all is continuous M type, and the edges and corners direction of first backup pad and second backup pad and support piece set up the axis direction and be the vertical relation.

Preferably, the second box board has the same structure as the first box board, and the folded plate structures of the upper end and the lower end of the first box board and the second box board are formed by bonding an outer layer board body and an inner layer board body of the box board.

Preferably, the transverse air holes and the longitudinal air holes completely penetrate through the outer plate body, the first air holes and the second air holes, and the third air holes and the fourth air holes completely penetrate through the inner plate body, and the transverse air holes, the longitudinal air holes, the first air holes, the second air holes, the third air holes and the fourth air holes are communicated with the air cavity structures between the outer plate body and the inner plate body.

Preferably, the outer surface of the first paper board, the inner surface of the second paper board, the outer surface of the third paper board, the inner surface of the fourth paper board and the outer surface of the supporting frame are coated with waterproof films.

Compared with the prior art, the invention has the beneficial effects that:

1. the lateral surface of the first box plate is provided with the transverse air holes, the inner side surface of the first box plate is provided with the first air holes and the second air holes, the lateral surface of the second box plate is provided with the longitudinal air holes, the inner side surface of the first box plate is provided with the third air holes and the fourth air holes, and the air holes on the inner side and the outer side of the first box plate are arranged in a staggered manner, so that the air permeability of the box body is ensured, and the heat insulation effect of the box body;

2. a supporting piece formed by combining a supporting frame and a reinforcing support is arranged between the outer layer plate body and the inner layer plate body, so that the integral bearing strength of the packaging carton is effectively improved;

3. and through set up first backup pad, second backup pad in the plate body of outer plate body, inlayer plate body to be the vertical relation with the edges and corners direction of first backup pad, second backup pad and support piece's axis direction and set up, thereby let first boxboard and second boxboard transversely all have fine anti-deformation effect with vertical direction, thereby improve the protection effect of packing carton to its box inside melon and fruit vegetables.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of a first box board structure;

FIG. 4 is a schematic view of a second box board construction;

FIG. 5 is a schematic cross-sectional view of a first box panel;

FIG. 6 is an enlarged view of the structure at A in FIG. 5;

fig. 7 is an enlarged view of the structure at B in fig. 5.

In the figure: the first box board 1, the second box board 2, the lower transverse folding board 3, the upper transverse folding board 4, the lower longitudinal folding board 5, the upper longitudinal folding board 6, the transverse air holes 7, the longitudinal air holes 8, the first connecting ear board 9, the first air holes 10, the second air holes 11, the second connecting ear board 12, the third air holes 13, the fourth air holes 14, the outer board body 15, the inner board body 16, the supporting piece 17, the supporting frame 18, the reinforcing support 19, the first paper board 20, the second paper board 21, the first supporting board 22, the third paper board 23, the fourth paper board 24 and the second supporting board 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a packaging carton with food preservation and heat preservation functions comprises a first box board 1 and a second box board 2, wherein the first box board 1 and the second box board 2 are symmetrically arranged in two, four box boards are combined to form a rectangular frame structure, a lower transverse folding board 3 is arranged at the lower end of the first box board 1, an upper transverse folding board 4 is arranged at the upper end of the first box board 1, a first connecting lug board 9 is arranged at the right side edge of the first box board 1, a lower longitudinal folding board 5 is arranged at the lower side edge of the second box board 2, an upper longitudinal folding board 6 is arranged at the upper end of the second box board 2, a second connecting lug board 12 is arranged at the right side edge of the second box board 2, the first connecting lug board 9 at the right side of the first box board 1 is in nailing connection with a plate body of an adjacent second box board 2 through a nailing needle, the second connecting lug board 12 at the right side of the second box board 2 is in nailing connection with a plate body of an adjacent first box board 1 through a nailing needle, horizontal bleeder vent 7 has been seted up to the lateral surface of first boxboard 1, and first gas vent 10 and second gas pocket 11 have been seted up to the medial surface of its plate body, vertical bleeder vent 8 has been seted up to the lateral surface of second boxboard 2, and third gas pocket 13 and fourth gas pocket 14 have been seted up to the medial surface of its plate body, through seting up horizontal bleeder vent 7 at first boxboard 1 lateral surface, first gas pocket 10 and second gas pocket 11 are seted up to the medial surface, and set up vertical bleeder vent 8 at second boxboard 2 lateral surface, third gas pocket 13 and fourth gas pocket 14 are seted up to the medial surface, and be the dislocation set with the gas pocket in its inside and outside, thereby when guaranteeing its box gas permeability, can effectively guarantee the heat preservation effect of its box.

Further, the first box board 1 is formed by combining an outer layer board body 15, an inner layer board body 16 and a support piece 17, and the support piece 17 is formed by combining a support frame 18 and a reinforcing support 19;

furthermore, two side surfaces of the supporting frame 18 are fixedly bonded with the inner side surface of the outer layer plate body 15 and the outer side surface of the inner layer plate body 16 respectively, the cross section of the reinforcing support 19 is cross-shaped, the cross section of the supporting frame 18 is divided into four isosceles triangles, and the supporting piece 17 formed by combining the supporting frame 18 and the reinforcing support 19 is arranged between the outer layer plate body 15 and the inner layer plate body 16, so that the integral pressure-bearing strength of the packaging carton is effectively improved.

Furthermore, a plurality of groups of supporting pieces 17 are arranged between the outer-layer plate body 15 and the inner-layer plate body 16 at equal intervals, and an air cavity structure is reserved between the adjacent supporting pieces 17.

Further, the outer-layer plate body 15 is formed by combining a first paper plate 20, a second paper plate 21 and a first supporting plate 22, the inner-layer plate body 16 is formed by combining a third paper plate 23, a fourth paper plate 24 and a second supporting plate 25, the cross sections of the first supporting plate 22 and the second supporting plate 25 are continuous M-shaped, the edge angle directions of the first supporting plate 22 and the second supporting plate 25 are perpendicular to the axis direction of the support member 17, the first supporting plate 22 and the second supporting plate 25 are arranged in the plate bodies of the outer-layer plate body 15 and the inner-layer plate body 16, the edge angle directions of the first supporting plate 22 and the second supporting plate 25 are perpendicular to the axis direction of the support member 17, and therefore the first box plate 1 and the second box plate 2 have good deformation resistance in the transverse direction and the longitudinal direction, and the protection effect of the packaging carton on fruits and vegetables inside the carton is improved.

Further, the second box board 2 has the same structure as the first box board 1, and the folded plate structures of the upper end and the lower end of the first box board 1 and the second box board 2 are formed by bonding the upper outer layer board body 15 and the inner layer board body 16 of the box boards.

Furthermore, the transverse air holes 7 and the longitudinal air holes 8 completely penetrate through the outer layer plate body 15, the first air holes 10, the second air holes 11, the third air holes 13 and the fourth air holes 14 completely penetrate through the inner layer plate body 16, and the transverse air holes 7, the longitudinal air holes 8, the first air holes 10, the second air holes 11, the third air holes 13 and the fourth air holes 14 are communicated with the air cavity structures between the outer layer plate body 15 and the inner layer plate body 16, and the air holes on the inner side of the carton board and the air holes on the outer side of the carton board are arranged in a staggered state, so that air flow inside and outside the carton box exchanges, and the air flow circulates in the air holes, the air cavities and the air holes in a circuitous manner, thereby ensuring the exchange effect of the air flow inside and outside the carton box body, effectively improving the heat preservation effect inside the carton box body, and effectively improving the whole fresh-keeping effect of the packaging carton box, thereby improving the storage period of the fruits and vegetables in the packing carton.

Further, the outer surface of the first paper board 20, the inner surface of the second paper board 21, the outer surface of the third paper board 23, the inner surface of the fourth paper board 24 and the outer surface of the support frame 18 are coated with waterproof films, and the outer surface of the first paper board 20, the inner surface of the second paper board 21, the outer surface of the third paper board 23, the inner surface of the fourth paper board 24 and the outer surface of the support frame 18 are respectively adhered with a layer of waterproof film, so that moisture in air is prevented from hitting the support 17, the first support plate 22 and the second support plate 25 in the paper box body, and the overall pressure bearing effect of the paper box body is affected.

The working principle is as follows: during practical use, a worker firstly puts the packaging carton on the ground in an inverted manner, then folds the lower longitudinal folding plates 5 on the two sides inwards, folds the lower transverse folding plates 3 on the two sides inwards, bonds the edges of the two lower transverse folding plates 3 through adhesive tapes, then vertically puts the packaging carton with the lower surfaces bonded on the ground, then neatly puts the fruits and vegetables to be packaged in the box body of the packaging carton, when the inner cavity of the packaging carton is full, the worker folds the upper longitudinal folding plates 6 on the two sides inwards, folds the upper transverse folding plates 4 on the two sides inwards, then bonds the upper transverse folding plates 4 on the two sides through the adhesive tapes, and when the fruits and vegetables in the package are transported, the fruits and vegetables are in aerobic respiration, and the outside air can be sucked along with the transverse air holes 7, Vertical bleeder vent 8 gets into among the air cavity, and flow to among the inner chamber of packing carton in the fourth air cavity 14 from first air cavity 10 through the air cavity, second air cavity 11, third air cavity 13, thereby avoid melon and fruit vegetables anaerobic respiration to appear and ulcerate, and because be dislocation set between the inboard air cavity of carton board and the bleeder vent in the carton board outside, thereby let the inside and outside air of carton when exchanging, its air current is circuitous in the air cavity, circulate among the bleeder vent, thereby when letting the inside and outside air current exchange effect of carton body assurance, it can effectual improvement carton body inside heat preservation effect, thereby effectively improve the whole fresh-keeping effect of packing carton, thereby improve the storage cycle of the inside fruit of packing carton and vegetables.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.