CN217349110U - High-temperature heating resistant food packaging bag - Google Patents

Abstract

The utility model relates to the technical field of packaging bags, and discloses a high-temperature heating resistant food packaging bag, the packaging bag consists of a connecting sheet, a front bag sheet and a rear bag sheet, a trihedron is formed after heating and expansion, a one-way vent hole is arranged on the connecting sheet, can discharge redundant steam in the packaging bag during the heating process, has high safety, and is characterized in that an air discharging head consisting of a rotary cover, a hollow thread head and a backing ring is additionally arranged on the front bag piece, before tearing the wrapping bag behind the heating, through rotatory rotating cover, make the slope unload the gas pocket and expose outside, surplus steam in the wrapping bag unloads the gas pocket row from the slope of a plurality of not equidirectionals and bag piece forward can prevent to blow to the hand, has had more for traditional wrapping bag and has rolled over the strip and turn over the strip, touches when can preventing dress food and moulds the strip of paper used for sealing, can avoid dress food to cause influences such as sack residual oil stain, food in the bag to seal.

Description

High-temperature heating resistant food packaging bag

Technical Field

The utility model relates to a wrapping bag technical field specifically is a food package bag of high temperature resistant heating.

Background

At present, a packaging bag containing food can be heated in a microwave oven, a steamer or a water boiling mode, the food in the packaging bag can be subjected to moisture evaporation in the heating process, the packaging bag can be expanded due to the moisture evaporation, the packaging bag can be excessively expanded to explode along with the increase of the heating time, potential safety hazards exist, and the food is splashed out due to explosion, so that the food is wasted; the heated food packaging bag contains hot air, and the hot air can gush out and blow to the hands at the moment of opening the packaging bag, so that the hands are scalded; in addition, the packing bag in the prior art is provided with a seal strip on the inner side of the bag opening, the seal strip is manually sealed when the packing bag is packaged, and the machine seal is also used, so that the food can easily touch the bag opening and the seal strip to a greater extent when the food is packed, the sealing property of the seal strip is influenced, the food is easily leaked and deteriorated, and therefore the high-temperature heating resistant food packing bag is urgently needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a food package bag of high temperature resistant heating possesses but high temperature heating, can be with vapor discharge pressure release explosion-proof, and can heat release gas after food heating, prevent to tear that wrapping bag steam from once gushing and go out to scald the hand, can manually seal, seal tightly, make food be heated advantage such as even, solved can not exhaust and have potential safety hazards such as explosion, tear the bag behind the heating and scald by in-bag hot gas easily and die, food touches the sack and influences the problem of sealing tightness.

(II) technical scheme

But for realize above-mentioned high temperature heating, can discharge the pressure release explosion-proof with vapor, and can heat release gas after food heating, prevent to tear wrapping bag steam one and gush and go out to scald to the hand, can manually seal, seal tightly for food is heated even function purpose, the utility model provides a following technical scheme: the utility model provides a high temperature heating resistant food package bag, includes connection piece, one-way exhaust hole, preceding bag piece, back bag piece, and the both sides of preceding bag piece and the both sides of back bag piece pass through hot pressing, and the bottom of preceding bag piece and the bottom of back bag piece pass through connection piece heat sealing to constitute the wrapping bag, the one end that the connection piece is close to preceding bag piece is equipped with one-way exhaust hole.

Further optimize, preceding bag piece still is equipped with unloads the gas head, unload the gas head by rotatory lid, cavity thread head, backing ring and constitute, backing ring and the bottom of cavity thread head are connected as an organic whole, be equipped with the slope on the lateral surface that cavity thread head is close to backing ring one end and unload the gas pocket, the slope is unloaded the gas pocket and is equipped with 4 ~ 8 and be the equidistance formula and set up, the internal thread of rotatory lid meshes with the external screw thread of cavity thread head mutually, the backing ring is located the inside of wrapping bag and with preceding bag piece fixed connection, cavity thread head communicates with each other with the inside of wrapping bag.

Wherein, the one end of slope air relief hole orientation cavity screw thread head inner wall is high-end department, and the one end towards the backing ring is low-end department to steam can blow the preceding bag piece.

Further optimize, the one end that the connection piece was kept away from to preceding bag piece still is equipped with the strip of folding as an organic whole structure with it, is equipped with a number of son on the strip of folding and moulds the strip of paper used for sealing, and the inner face of preceding bag piece is equipped with moulds the strip of paper used for sealing matched with a number of son and moulds the strip of paper used for sealing.

Further optimizing, the inner face of the rear bag piece is provided with a secondary plastic sealing strip and a secondary plastic sealing strip which can be matched with each other, the secondary plastic sealing strip is fixed on the turning strip of the rear bag piece, and a crease line is formed between the turning strip and the rear bag piece.

The second plastic sealing strip can be matched with the first plastic sealing strip.

Wherein, unload gas head, a son mould the strip of paper used for sealing, a mother mould the strip of paper used for sealing, No. two son mould the strip of paper used for sealing and all adopt food level high temperature resistant material.

Further optimize, the length of preceding pocket piece is 235mm, and the width is 175mm, and the length of back pocket piece is 251mm, and the width is 175mm, and the length of connecting piece is 175mm, and the width is 55mm, and the inflation can constitute the trihedron after being heated.

Further optimize, the wrapping bag still is equipped with the hanging hole, can hang up the wrapping bag when poaching for one-way exhaust hole is up, is convenient for smoothly exhaust.

Compared with the prior art, the utility model provides a high temperature resistant heating's food package bag possesses following beneficial effect:

1. the utility model has the advantages of high temperature heating, pressure release and explosion prevention by discharging water vapor, the one-way exhaust holes are arranged on the connecting piece of the packaging bag, redundant water vapor in the packaging bag can be discharged in the heating process, the safety is high, the problem that the food in the packaging bag can be evaporated in the heating process is solved, the packaging bag can be expanded by the evaporation of water, the packaging bag can be expanded excessively to explode along with the increase of the heating time, the potential safety hazard exists, and the food is splashed out by the explosion at the same time, so that the food is wasted;

2. the utility model discloses an add the head of unloading of compriseing rotatory lid, hollow thread head, backing ring on preceding bag piece, before tearing the wrapping bag after the heating, through rotatory lid, make the slope unload the gas pocket and expose outside, thereby surplus steam in the wrapping bag can be discharged from the slope of a plurality of not equidirectional gas pockets, because the slope unloads the gas pocket and is the low end towards the one end of backing ring, so the exhaust hot gas blows to preceding bag piece, can prevent to blow to the hand, it is safer to use, food package bag after having solved the heating contains steam, in that instant of opening the wrapping bag, steam can gush out and can blow to the hand, thereby can cause the problem that the hand scalded;

3. compared with the traditional packaging bag, the utility model is provided with more folding strips and turning strips, the folding strips are provided with a plastic seal strip, a second primary plastic seal is arranged on the turning strip, a first primary plastic seal and a second secondary plastic seal are respectively arranged on the two inner surfaces of the bag opening, before food is filled, the folding strip and the turning strip are folded in the bag, the first plastic sealing strip and the first plastic sealing strip are positioned between the folding strip and the front bag piece, the second plastic sealing strip and the second plastic sealing strip are positioned between the turning strip and the rear bag piece, the strip will be rolled over after food packs into, turn over the strip and turn out, mould the strip of paper used for sealing through No. two and mould the sealing and cooperate the sealing that realizes the wrapping bag with a female plastic envelope strip, touch the strip of paper used for sealing when can preventing to adorn food, can avoid adorning food and lead to the fact the sack to remain oil stain, influence such as food to seal in the bag, solved the thing can touch the sack easily in the great degree, touch the strip of paper used for sealing to influence the leakproofness of sealing, lead to food gas leakage rotten problem easily.

Drawings

FIG. 1 is a schematic structural view of a high temperature heating resistant food packaging bag of the present invention;

fig. 2 is a schematic front structural view of a high temperature heating resistant food packaging bag of the present invention;

FIG. 3 is a schematic view of the reverse side of the high temperature resistant food packaging bag of the present invention;

FIG. 4 is a schematic perspective view of the air discharging head of the present invention;

FIG. 5 is a schematic sectional view of the gas discharging head of the present invention;

fig. 6 is a schematic perspective view of a high temperature heating resistant food packaging bag according to the present invention;

FIG. 7 is a schematic structural view of the front bag sheet of the present invention;

fig. 8 is a schematic structural view of the back bag sheet of the present invention.

Wherein: the plastic packaging bag comprises a connecting sheet 1, a one-way vent hole 2, a front bag sheet 3, a rear bag sheet 4, an air discharging head e, a rotary cover e1, a hollow thread head e2, a backing ring e3, an inclined air discharging hole e4, a folding strip 302, a first plastic seal 303, a first plastic seal 301, a second plastic seal 401, a second plastic seal 403 and a crease line a.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, a high temperature heating resistant food packaging bag comprises a connecting sheet 1, a one-way vent hole 2, a front bag sheet 3 and a rear bag sheet 4, wherein two sides of the front bag sheet 3 are hot-pressed with two sides of the rear bag sheet 4, and the bottom of the front bag sheet 3 is heat-sealed with the bottom of the rear bag sheet 4 through the connecting sheet 1, thereby forming the packaging bag, one end of the connecting sheet 1, which is close to the front bag sheet 3, is provided with the one-way vent hole 2, after heating, the food packaging bag can become a drum, so that the one-way vent hole can be vented upwards, the one-way vent hole is prevented from being covered, water vapor generated by microwave heating of food can be smoothly vented out of the bag through the one-way vent hole 2, the pressure relief effect is achieved, and potential safety hazards caused by expansion and explosion of the packaging body are prevented.

Wherein, this wrapping bag still is equipped with the hanging hole, can hang the wrapping bag when poaching for one-way exhaust hole is up, is convenient for smoothly to exhaust.

Wherein, the length of preceding pocket piece 3 is 235mm, and the width is 175mm, and the length of back pocket piece 4 is 251mm, and the width is 175mm, and the length of connecting piece 1 is 175mm, and the width is 55mm, and the inflation can constitute the trihedron after being heated.

Specifically, the front bag piece 3 is further provided with an air discharging head e, the air discharging head e is composed of a rotary cover e1, a hollow threaded head e2 and a backing ring e3, the backing ring e3 is integrally connected with the bottom of the hollow threaded head e2, an inclined air discharging hole e4 is arranged on the outer side surface of one end, close to the backing ring e3, of the hollow threaded head e2, 4-8 inclined air discharging holes e4 are arranged in an equidistant mode, internal threads of the rotary cover e1 are meshed with external threads of the hollow threaded head e2, the backing ring e3 is positioned inside the packaging bag and fixedly connected with the front bag piece 3, the hollow threaded head e2 is communicated with the inside of the packaging bag, the end of the inclined air relief hole e4 facing the inner wall of the hollow threaded head e2 is a high end, the end facing the backing ring e3 is a low end, after the heating is finished, before the packaging bag is torn open, the air discharging head e is rotated, so that hot air in the packaging bag can be blown to the front bag piece 3, and scalding caused by the hot air blown to hands is prevented.

The utility model is suitable for a boiling water heating, place in the food steamer heating, the microwave oven heating, when placing in the food steamer heating, the microwave oven heating, pack food into connection piece 1, preceding bag piece 3, the food that back bag piece 4 formed holds the intracavity, seal through the capper, when needs heating, the wrapping bag that will pack food into is put on the household utensils that can carry out the microwave heating, the surface of back bag piece 4 is with household utensils contact, and preceding bag piece 3 is up, be convenient for the exhaust of one-way exhaust hole 2, take out after the heating, because there is surplus steam in the packaging bag, in order to avoid tearing the packing when steam once gushes out and scald one's hands, so through rotatory rotary cover e1, make slope air discharge hole e4 expose outside, make the surplus steam in the packaging bag unload the air discharge hole e4 from the slope of a plurality of equidirectional slopes, because slope air discharge hole e4 is the low end towards the one end of backing ring e3, therefore, the exhausted hot air is blown to the front bag piece 3, which can prevent the hot air from being blown to hands and is safer to use.

Example 2

Referring to fig. 6-8, different from embodiment 1, a folding strip 302 integrated with one end of the front bag piece 3 away from the connecting sheet 1 is disposed at one end of the front bag piece 3, a first plastic sealing strip 303 is disposed on the folding strip 302, a first plastic sealing strip 301 matched with the first plastic sealing strip 303 is disposed on the inner surface of the front bag piece 3, a second plastic sealing strip 401 and a second plastic sealing strip 403 which are mutually matched are disposed on the inner surface of the rear bag piece 4, the second plastic sealing strip 403 is fixed on a turning strip 402 of the rear bag piece 4, a crease line a is formed between the turning strip 402 and the rear bag piece 4, and a crease line is also disposed between the folding strip 302 and the front bag piece 3, so as to facilitate folding of the folding strip 302 and the turning strip 402, and improve the matching accuracy of the second plastic sealing strip 401 and the first plastic sealing strip 301.

The air discharging head, the first plastic sealing strip, the second plastic sealing strip and the second plastic sealing strip which are recorded in the above are made of food-grade high-temperature-resistant materials.

Before food is filled, the folding strip 302 and the turning strip 402 are folded in the bag, the first plastic sealing strip 303 and the first plastic sealing strip 301 are sealed in a matched mode, the second plastic sealing strip 401 and the second plastic sealing strip 403 are also sealed in a matched mode, so that the first plastic sealing strip 303 and the first plastic sealing strip 301 are located between the folding strip 302 and the front bag piece 3, the second plastic sealing strip 401 and the second plastic sealing strip 403 are located between the turning strip 402 and the rear bag piece 4, the plastic sealing strips can be prevented from being touched during food filling, the phenomenon that oil stains and food and the like are remained on the bag mouth of the bag to affect sealing can be avoided, the folding strip 302 and the turning strip 402 are turned out after the food is filled, and the sealing of the packaging bag is realized through the matching of the second plastic sealing strip 401 and the first plastic sealing strip 301.

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.

Claims (6)

1. The utility model provides a food package bag of high temperature resistant heating, includes connection piece (1), preceding bag piece (3), back bag piece (4), the both sides of preceding bag piece (3) and the both sides of back bag piece (4) pass through hot pressing, and connection piece (1) heat seal, its characterized in that are passed through with the bottom of back bag piece (4) in the bottom of preceding bag piece (3): one end of the connecting sheet (1) close to the front bag sheet (3) is provided with a one-way vent hole (2);

preceding bag piece (3) still are equipped with and unload gas head (e), it comprises rotatory lid (e1), cavity thread head (e2), backing ring (e3) to unload gas head (e), the bottom of backing ring (e3) and cavity thread head (e2) is connected for the integration, cavity thread head (e2) is equipped with slope air discharge hole (e4) on being close to the lateral surface of backing ring (e3) one end, rotatory lid (e1) meshes with cavity thread head (e2) mutually, backing ring (e3) are located the inside of wrapping bag and with preceding bag piece (3) fixed connection.

2. The high temperature heating resistant food packaging bag according to claim 1, wherein: the end of the inclined air relief hole (e4) facing the inner wall of the hollow threaded head (e2) is a high end, and the end facing the backing ring (e3) is a low end.

3. The high temperature heating resistant food packaging bag according to claim 1, wherein: preceding bag piece (3) keep away from one end of connection piece (1) still is equipped with folding strip (302) as integral structure with it, be equipped with one number of son on folding strip (302) and mould strip of paper used for sealing (303), the inner face of preceding bag piece (3) is equipped with and moulds strip of paper used for sealing (301) with one number of son and mould strip of paper used for sealing (303) matched with one number of mother.

4. The high temperature heating resistant food packaging bag according to claim 1, wherein: be equipped with on the inner face of back bag piece (4) and mould strip of paper used for sealing (401), No. two that can mutually support and mould strip of paper used for sealing (403), No. two mother mould strip of paper used for sealing (403) and fix on strip (402) turn over of back bag piece (4), turn over and form crease line (a) between strip (402) and back bag piece (4).

5. The high temperature heating resistant food packaging bag according to claim 4, wherein: the second number of secondary plastic sealing strips (401) can be matched with the first number of primary plastic sealing strips (301).

6. The high temperature heating resistant food packaging bag according to claim 1, wherein: the length of preceding pocket piece (3) is 235mm, and the width is 175mm, the length of back pocket piece (4) is 251mm, and the width is 175mm, the length of connection piece (1) is 175mm, and the width is 55 mm.

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