CN218230088U - Packaging bag convenient for microwave heating - Google Patents

Abstract

The utility model relates to a food package bag's field, especially, relate to a wrapping bag convenient to microwave heating, it includes the bag body, this internal object chamber that is formed with of bag, be provided with the bottom that is used for providing the support on the bag body, the opening of bag body is kept away from the bottom and is sealed, the position that is close to the opening on the bag body is provided with at least one exhaust structure, exhaust structure is including having the exhaust portion of opening with two closed states, when exhaust portion is closed, the object chamber is in encapsulated situation, during the heating of bag body, steam can make exhaust portion open and form exhaust passage, exhaust passage and object chamber intercommunication. In this application, the steam that the food of sealed package produced when heating can pass through exhaust passage and discharge to reduce the risk that the food bag of sealed package took place the blasting when the microwave heating.

Description

Packaging bag convenient for microwave heating

Technical Field

The invention relates to the field of food packaging bags, in particular to a packaging bag convenient for microwave heating.

Background

With the acceleration of the pace of life, some microwave fast food is popular with people, such as steamed bun, fried rice, meat and the like, and the food can be directly put into a microwave oven for heating after being purchased, and can be eaten after being heated and opened, so that the speed is high, and the operation is simple.

At present, the packaging of the food mainly comprises a packaging bag and a packaging box, and the sealing is required to be ensured no matter which packaging mode is adopted; during microwave heating, to the packing carton, the edible personnel can tear the opening open and heat in the microwave oven, but to the wrapping bag, if tear the sack, the wrapping bag emptys easily in the microwave oven and leads to food to spill out, if do not tear the sack, the steam that sealed packing can lead to food to produce is difficult for diffusing, and then leads to the wrapping bag internal pressure too high and easily causes the blasting accident, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

To facilitate the heating of the hermetically packaged food in a microwave oven, the present application provides a packaging bag that facilitates microwave heating.

The application provides a wrapping bag convenient to microwave heating adopts following technical scheme:

the utility model provides a wrapping bag convenient to microwave heating, includes the bag body, this internal content chamber that is formed with of bag, be provided with the bottom that is used for providing the support on the bag body, the bottom and sealed are kept away from to the opening of bag body, the position that is close to the open-ended on the bag body is provided with at least one exhaust structure, exhaust structure is including having the exhaust portion of opening with two closed states, when exhaust portion is closed, the content chamber is in encapsulated situation, during the heating of bag body, steam can make exhaust portion open and form exhaust passage, exhaust passage with content chamber intercommunication.

By adopting the technical scheme, the exhaust part is closed and the containing cavity is in a sealed state in the storage process of the bag body containing food; when microwave heating is carried out on food, steam generated in the bag body can be accumulated to a certain amount and then can be used for opening the exhaust part and forming the exhaust channel, and the steam is exhausted through the exhaust channel, so that the possibility of explosion of the packaging bag can be reduced, and the microwave heating of the food packaged in a sealing manner is more convenient.

Optionally, be provided with easily tear the mouth on the bag body, exhaust structure set up in easily tear the mouth and be close to bag body open-ended one side.

By adopting the technical scheme, when the bag body containing food is heated by microwave, the bottom of the bag body is supported and placed in a microwave oven, the opening is upward, and steam in the containing cavity rises in the heating process and is easier to collect at the opening position and flush the exhaust channel for exhaust; meanwhile, when the bag body is torn through the easy-to-tear opening, the exhaust structure can be torn off together, and water drops condensed on the side wall of the containing cavity or in the exhaust channel can be prevented from seeping or being sprayed out of the exhaust channel to wet the table top or clothes of the eaters.

Optionally, the bag body includes an at least banding, the exhaust passage is followed the width direction exhaust of banding and set up in on the banding, be provided with the air discharge duct on the banding, the air discharge duct with the export intercommunication of exhaust passage.

Through adopting above-mentioned technical scheme, the air discharge duct sets up the exit position at exhaust passage, and exhaust passage need not to run through along the width direction of banding to can shorten exhaust passage's exhaust length, make the exhaust more convenient, simultaneously, steam also flushes exhaust passage more easily.

Optionally, the bag body includes first bag membrane, second bag membrane and set up in basement membrane between first bag membrane and the second bag membrane, the basement membrane with the edge formation of first bag membrane and second bag membrane the bottom of bag body, basement membrane deformation can make first bag membrane and second bag membrane separation or laminating.

By adopting the technical scheme, when the bottom film is folded, the first bag film and the second bag film are attached, so that the packaging bag is more favorable for transportation; when food is contained in the bag body, the first bag film and the second bag film can be separated by the food, and the bottom film is unfolded along with the food, so that the bottom edges of the first bag film and the second bag film are separated, and the bag body can be vertically placed in a microwave oven, so that steam can be conveyed upwards and discharged through an exhaust channel during microwave heating; meanwhile, the bag body can be placed on a table top by an eater when the bag is eaten, and the bag is not required to be held by hands and is more convenient.

Optionally, a stay is disposed on the bottom film, and the stay extends from the bottom edge of the first bag film to the bottom edge of the second bag film.

Through adopting above-mentioned technical scheme, the stay can strut the bottom of bag body and keep the state of strutting to increase the stability that the bag body erects and place.

Optionally, the stay includes at least two fixing portions and a bending portion disposed between two adjacent fixing portions, and the bending portion is made of a plastic material.

By adopting the technical scheme, in the production and transportation process of the packaging bag, two adjacent fixing parts can be attached, so that the packaging bag is more convenient to transport; after food is filled in the bag body, the two fixing parts are opened along with the food, before microwave, an eater can manually break the bent parts straight, and the two adjacent fixing parts are assisted to be unfolded to be in a linear state, so that the bottom of the bag body is kept unfolded.

Optionally, the stay includes a first connecting portion and a second connecting portion, a sliding strip is slidably disposed on the first connecting portion, a slot is disposed on the second connecting portion, and the sliding strip is inserted into the slot.

Through adopting above-mentioned technical scheme, be sharp setting with first connecting portion and second connecting portion to insert the draw runner in the slot, can block first connecting portion and second connecting portion folding, make the bottom of bag body keep strutting.

Optionally, a shifting block is arranged on the sliding strip and protrudes out of the first connecting portion, and a yielding groove for allowing the shifting block to slide is formed in the first connecting portion.

Through adopting above-mentioned technical scheme, it is more convenient that the user of service dials the draw runner and slides.

Drawings

Fig. 1 is a partial cross-sectional view of a package for facilitating microwave heating according to example 1 of the present application.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic view showing a bottom structure of a bag body in embodiment 1 of the present application.

Fig. 4 is a schematic structural view of a stay in embodiment 2 of the present application.

Description of the reference numerals:

1. a bag body; 11. a first bag film; 12. a second pouch film; 13. a base film; 14. sealing edges; 141. an easy-to-tear opening; 15. an opening; 2. an object containing cavity; 3. an exhaust structure; 31. an exhaust section; 32. an exhaust passage; 33. an exhaust groove; 4. a stay; 41. a fixed part; 42. a bending section; 43. a first connection portion; 431. a yielding groove; 44. a second connecting portion; 441. inserting slots; 45. a slide bar; 451. and (5) shifting blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example 1

The embodiment of the application discloses wrapping bag convenient to microwave heating. Referring to fig. 1 and 2, the packaging bag convenient for microwave heating comprises a bag body 1, wherein the bag body 1 comprises a first bag film 11, a second bag film 12 and a bottom film 13, the first bag film 11, the second bag film 12 and the bottom film 13 are of a double-layer composite structure, the inner layer is made of PP, and the outer layer is made of PE. The first bag film 11 and the second bag film 12 are rectangular, and two parallel edges of the first bag film 11 and the second bag film 12 are fixed to each other through hot pressing respectively, so that two sealed edges 14 are formed; the bottom film 13 is connected to the first pouch film 11 and the second pouch film 12, thereby forming the bottom of the pouch body 1; the side of the bag body 1 away from the bottom film 13 is an opening 15 of the bag body 1, the bag body 1 can be supported and placed on a tray of a microwave oven through the bottom, and the opening 15 faces upwards. The object containing cavity 2 is formed among the first bag film 11, the second bag film 12 and the bottom film 13, the object containing cavity 2 is used for containing food, and then the object containing cavity 2 is vacuumized and the opening 15 is sealed through hot pressing, so that the food can be stored in a sealed mode.

Referring to fig. 1 and 2, two easy-to-tear openings 141 are provided on the bag body 1, the easy-to-tear openings 141 are provided near the opening 15 of the bag body 1, the easy-to-tear openings 141 are provided at one third of the length of the sealed edge 14, and one third of the bag body 1 can be torn off along the easy-to-tear openings 141, so that the depth of the containing cavity 2 can be shortened, and the eating person can take food more conveniently.

Referring to fig. 1 and 2, two air exhaust structures 3 are arranged on the bag body 1, the two air exhaust structures 3 are respectively arranged on the two sealing edges 14, and when the food is subjected to microwave heating, generated steam can be exhausted outwards through the air exhaust structures 3, so that the risk of explosion of the bag body 1 is reduced. Exhaust structure 3 is located the one side that easily tears mouth 141 and be close to opening 15, when tearing bag body 1 along easily tearing mouth 141, can tear exhaust structure 3 together to can prevent that when the edible person from extrudeing bag body 1, the water droplet of condensing at the lateral wall of holding cavity 2 from outwards spouting through exhaust structure 3 and drenching edible person's clothing.

Referring to fig. 1 and 3, the air exhaust structure 3 includes two air exhaust portions 31, the two air exhaust portions 31 are respectively a part of the first bag film 11 and a part of the second bag film 12, the two air exhaust portions 31 are fixed in a hot pressing manner, and at this time, the air exhaust portions 31 are in a closed state, so that the sealing of the containing cavity 2 can be realized; the hot pressing strength of the two exhaust parts 31 is smaller than that of the sealing edge 14, when the water vapor in the containing cavity 2 is accumulated to a certain amount, the pressure in the containing cavity 2 is higher, the two exhaust parts 31 can be flushed by the steam, so that the exhaust parts 31 are in an open state, an exhaust channel 32 is formed, and the steam can be exhausted outwards through the exhaust channel 32.

Referring to fig. 1 and 3, an exhaust groove 33 is formed in the edge seal 14 in a penetrating manner along the thickness direction of the edge seal 14, and the exhaust groove 33 may be circular, square, oblong, or the like; the exhaust groove 33 is arranged at the outlet position of the exhaust channel 32, the exhaust channel 32 extends from the containing cavity 2 to the exhaust groove 33, and the exhaust groove 33 can shorten the length of the exhaust channel 32, so that the exhaust is easier. The exhaust channel 32 is conical and is in a contraction state along the steam discharging direction, namely the exhaust part 31 is in an isosceles trapezoid shape; the width of the inlet of the exhaust channel 32 is D, the width of the outlet is D, the preferable range of D is 6-12mm, the preferable range of D is 1.5-4mm, and the conical structure of the exhaust channel 32 can play a role in gathering steam and is more beneficial to flushing the exhaust channel 32 by the steam.

Referring to fig. 1 and 2, in this embodiment, the bottom film 13 is unfolded to enable the middle positions of the bottom edges of the first bag film 11 and the second bag film 12 to be stretched apart from each other, at this time, the bottom edge line of the first bag film 11 and the bottom edge line of the second bag film 12 are both arc-shaped, and the bottom edges of the first bag film 11 and the second bag film 12 can stably support the bag body 1 on a tray (or a table top) of a microwave oven, so that the bag body 1 can be placed vertically; the bag body 1 is kept in a vertical state during microwave heating, and steam in the containing cavity 2 moves upwards, so that the steam is more easily gathered at the exhaust passage 32 and flushed away; meanwhile, the microwave can penetrate food more easily when the bag body 1 is erected, and the heating effect is better.

Referring to fig. 2, in order to further increase the stability of the standing of the bag body 1, a stay 4 is disposed on the bottom film 13, the stay 4 is located at the middle position of the bottom film 13 and extends from the first bag film 11 to the second bag film 12, and the length direction of the stay 4 is perpendicular to the length direction of the bottom edge of the first bag film 11. The stay 4 comprises two fixing parts 41 and two bending parts 42, the two fixing parts 41 are provided, the bending parts 42 are connected between the two fixing parts 41, and the two fixing parts 41 are fixed outside the bottom film 13 in an adhesive manner; the fixing portions 41 may be made of rigid plastic, steel wire, etc., the bending portion 42 is made of plastic material, such as steel wire, aluminum wire, etc., the two fixing portions 41 and the bending portion 42 are welded and fixed, and in other application scenarios, the fixing portions 41 and the bending portion 42 may be integrally formed. The downward included angle of the two fixing portions 41 is alpha, the range of alpha is 0-180 degrees, when alpha is 0 degrees, the two fixing portions 41 are attached, the stay 4 is in a folded state, the bottom of the bag body 1 can be folded at the moment, when alpha is 180 degrees, the two fixing portions 41 are straight lines, the stay 4 is in a maximum unfolding state, the bottom of the bag body 1 is unfolded to the maximum extent and is kept in the maximum unfolding state at the moment, and stable support can be provided for the bag body 1.

The implementation principle of the wrapping bag convenient to microwave heating of this application embodiment does: during storage of the food, the stays 4 are in a folded state, and before microwave heating of the food, the eater straightens the bent portions 42 so that the bottom of the bag body 1 is maintained in a maximally spread state, thereby putting the bag body 1 into a microwave oven upright.

In the microwave heating process, steam generated by food moves to the opening 15 of the bag body 1, the pressure in the containing cavity 2 is increased until the exhaust channels 32 on the two sides are flushed away, and the steam can be exhausted from the exhaust channels 32, so that the risk of explosion of the packaging bag in the heating process can be reduced.

Example 2

Referring to fig. 2 and 4, the present embodiment is different from embodiment 1 in that: the stay 4 comprises a first connecting part 43 and a second connecting part 44, the first connecting part 43 and the second connecting part 44 are fixed on the outer side of the bottom film 13 in an adhesive manner, a sliding strip 45 penetrates through the first connecting part 43 in a sliding manner, and a slot 441 for the sliding strip 45 to be inserted is formed in the second connecting part 44; when the stay 4 is in the folded state, the first connecting portion 43 and the second connecting portion 44 are not connected to each other, so that the bottom film 13 can be folded; when the bag body 1 needs to be vertically placed, the first connecting portion 43 and the second connecting portion 44 can be placed in a straight line, and the sliding strip 45 is inserted into the sliding groove, so that the first connecting portion 43 and the second connecting portion 44 keep a straight line state, and the bottom of the bag body 1 is spread.

Referring to fig. 4, the slide bar 45 is fixedly connected with a shifting block 451, the shifting block 451 extends through the first connecting portion 43, the first connecting portion 43 is provided with an abdicating groove 431 for allowing the shifting block 451 to slide, and a user can shift the shifting block 451 to control the slide bar 45 to slide.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a wrapping bag convenient to microwave heating, includes bag body (1), be formed with in bag body (1) and hold thing chamber (2), be provided with the bottom that is used for providing the support on bag body (1), bottom and sealed, its characterized in that are kept away from in opening (15) of bag body (1): the bag is characterized in that at least one exhaust structure (3) is arranged on the bag body (1) close to the opening (15), the exhaust structure (3) comprises an exhaust part (31) with an opening state and a closing state, when the exhaust part (31) is closed, the containing cavity (2) is in a sealing state, when the bag body (1) is heated, steam can enable the exhaust part (31) to be opened and form an exhaust channel (32), and the exhaust channel (32) is communicated with the containing cavity (2).

2. The packaging bag facilitating microwave heating according to claim 1, wherein: be provided with easily tear mouth (141) on bag body (1), exhaust structure (3) set up in easily tear mouth (141) and be close to one side of bag body (1) opening (15).

3. The packaging bag facilitating microwave heating according to claim 1, wherein: the bag body (1) comprises at least one sealing edge (14), the exhaust channel (32) is arranged along the width direction of the sealing edge (14) to exhaust and is arranged on the sealing edge (14), an exhaust groove (33) is arranged on the sealing edge (14), and the exhaust groove (33) is communicated with an outlet of the exhaust channel (32).

4. The packaging bag facilitating microwave heating according to claim 1, wherein: bag body (1) include first bag membrane (11), second bag membrane (12) and set up in basement membrane (13) between first bag membrane (11) and second bag membrane (12), basement membrane (13) with the edge formation of first bag membrane (11) and second bag membrane (12) the bottom of bag body (1), basement membrane (13) deformation can make first bag membrane (11) and second bag membrane (12) separation or laminating.

5. The packaging bag facilitating microwave heating according to claim 4, wherein: a stay (4) is arranged on the bottom film (13), and the stay (4) extends from the bottom edge of the first bag film (11) to the bottom edge of the second bag film (12).

6. The packaging bag facilitating microwave heating according to claim 5, wherein: the stay (4) comprises at least two fixing parts (41) and a bending part (42) arranged between every two adjacent fixing parts (41), and the bending part (42) is made of plastic materials.

7. The packaging bag facilitating microwave heating according to claim 5, wherein: stay (4) include first connecting portion (43) and second connecting portion (44), it is provided with draw runner (45) to slide on first connecting portion (43), be provided with slot (441) on second connecting portion (44), draw runner (45) are inserted and are established in slot (441).

8. The packaging bag facilitating microwave heating of claim 7, wherein: be provided with shifting block (451) on slide bar (45), shifting block (451) protrusion in first connecting portion (43), be provided with on first connecting portion (43) and be used for supplying shifting block (451) gliding groove of stepping down (431).

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