CN206734919U - One kind is hermetically sealed can microwave heating of plastic packaging bag - Google Patents

Abstract

It is a kind of it is hermetically sealed can microwave heating of plastic packaging bag, including packaging bag main body, the packaging bag main body include upper diaphragm and lower diaphragm；The surrounding hot pressing of the upper diaphragm and lower diaphragm forms transverse sealing envelope flanging and longitudinal sealing envelope flanging；Some pressure release passages are respectively provided with the transverse sealing envelope flanging and longitudinal sealing envelope flanging；Pressure relief device is provided with inside the pressure release passage, the pressure relief device includes jointed shaft, pressure relief plate and block；The jointed shaft is fixedly connected with the upper wall of pressure release passage, and the block is arranged on pressure release passage lower wall surface；The top of the pressure relief plate is articulated and connected with jointed shaft, and the lower tilt of the pressure relief plate and the prism of block are tangent.The utility model enables the food personage that is in discharge air inside packaging bag in time, plays a part of pressure release, avoid the danger of packaging bag explosion by setting pressure release passage and pressure relief device in sealing envelope flanging.

Description

One kind is hermetically sealed can microwave heating of plastic packaging bag

Technical field

It the utility model is related to packaging bag field, and in particular to one kind is hermetically sealed can microwave heating of plastic packaging bag.

Background technology

Fast food is tended in the continuous quickening of people's rhythm of life, the requirement to dietetic variety, generally by quickly cooking food Product reach the eating requirements of itself.Heating is the method for more efficient quick cook food, typically now by fire, electromagnetism, The modes such as microwave realize the heating of food, and the primary selection of people has been increasingly becoming using microwave heating.

More conventional microwave heating tool is micro-wave oven at present, and food is put into micro-wave oven by user, passes through a system The operation of row, microwave energy in stove can Transmit evenly to food, the temperature of food is increased.

However, the food of purchase is generally placed in sealing bags, during using the microwave stove heat food, if will bag Pack is put into micro-wave oven together with food, and the moisture vaporization in food can cause packaging bag to expand, and be produced when reaching certain pressure Air in raw explosion packaging bag will be heated and expand, it is possible to be exploded in stove.Therefore, common packaging for foodstuff Bag cannot be directly used to microwave heating, it usually needs opening in advance, prevent packaging bag from bursting, use is not convenient enough.

Utility model content

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided one kind is hermetically sealed can microwave heating modeling Expect packaging bag.

To achieve the above object, the utility model uses following technical proposals：One kind is hermetically sealed can microwave heating of plastic bag Pack, including packaging bag main body, the packaging bag main body include upper diaphragm and lower diaphragm；The surrounding of the upper diaphragm and lower diaphragm Hot pressing forms transverse sealing envelope flanging and longitudinal sealing envelope flanging；It is each in the transverse sealing envelope flanging and longitudinal sealing envelope flanging Provided with some pressure release passages；

The cross section of pressure release passage is square structure；Pressure relief device, the pressure relief device are provided with inside the pressure release passage Including jointed shaft, pressure relief plate and block；The jointed shaft is fixedly connected with the upper wall of pressure release passage, and the pressure relief plate is square knot Structure, the block are arranged on pressure release passage lower wall surface, and side of the block on the outside of packaging bag is incline structure；It is described to let out The top of pressing plate is articulated and connected with jointed shaft, and the lower tilt of the pressure relief plate and the prism of block are tangent；It is described to let out Pressing plate keeps contacting with the inwall moment of pressure release passage.

Preferably, the upper diaphragm and lower diaphragm ecto-entad are followed successively by zone of heating, heat insulation layer and hot sealing layer.

Preferably, the zone of heating is polyester aluminizer.

Preferably, the heat insulation layer uses the white brown paper material of monochromatic light.

Preferably, the hot sealing layer is polypropylene glued membrane.

Preferably, the transverse sealing envelope flanging is provided with two pressure release passages.

Preferably, the longitudinal sealing envelope flanging is provided with three pressure release passages.

Preferably, three pressure relief devices are uniformly arranged in the pressure release passage.

It is hermetically sealed can microwave heating of plastic packaging bag operation principle：

By the application equipped with food it is hermetically sealed can microwave heating of plastic packaging bag be placed in micro-wave oven and heat, adding In thermal process, the moisture vaporization in food can cause packaging bag to expand, when reaching certain pressure, in the work of packaging bag internal pressure Rotated with lower pressure relief plate along jointed shaft, pressure relief plate is not contacted in the prism with block, so that the gas inside packaging bag Flowed out by the space between block and pressure relief plate, play a part of pressure release.

When food using the application it is hermetically sealed can microwave heating of plastic packaging bag packed when, the air outside packaging bag Pressure makes pressure relief plate firmly be pressed on the prism of block, makes the air of outside can not enter inside packaging bag, so that packaging Food in bag will not be putrid and deteriorated.

The utility model has the advantages that：

1. the utility model by setting pressure release passage and pressure relief device in sealing envelope flanging, enables food when edible Air inside discharge packaging bag in time, plays a part of pressure release, avoids the danger of packaging bag explosion.

2. the setting of the utility model pressure relief device, which realizes air, to be flowed to inside packaging bag outside packaging bag Function, i.e. the application packaging bag in heating inside air can be flowed to by pressure relief device the work of pressure release is played inside packaging bag With；And food is in storage, the atmospheric pressure outside packaging bag makes pressure relief plate firmly be pressed on the prism of block, makes outside Air can not enter inside packaging bag, so that the food in packaging bag will not be putrid and deteriorated.

Brief description of the drawings

Fig. 1 be the utility model it is hermetically sealed can microwave heating of plastic packaging bag structural representation；

Fig. 2 is Fig. 1 local A enlarged drawing；

Fig. 3 is Fig. 1 B-B profiles；

Fig. 4 is the enlarged drawing of Fig. 3 Local C；

Wherein 1-packaging bag main body, 11-upper diaphragm, 12-lower diaphragm, the envelope flanging of 2-transverse sealing, 3-longitudinal sealing envelope pressure Side, 4-pressure release passage, 5-pressure relief device, 51-jointed shaft, 52-pressure relief plate, 53-baffle plate.

Embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples.

As Figure 1-4, it is a kind of it is hermetically sealed can microwave heating of plastic packaging bag, including packaging bag main body 1, the packaging bag Main body 1 includes upper diaphragm 11 and lower diaphragm 12；The surrounding hot pressing of the upper diaphragm 11 and lower diaphragm 12 forms transverse sealing envelope pressure Side 2 and longitudinal sealing envelope flanging 3；Some pressure release passages are respectively provided with the transverse sealing envelope flanging 2 and longitudinal sealing envelope flanging 3 4；

The cross section of pressure release passage 4 is square structure；The inside of pressure release passage 4 is provided with pressure relief device 5, the pressure release dress Putting 5 includes jointed shaft 51, pressure relief plate 52 and block 53；The jointed shaft 51 is fixedly connected with the upper wall of pressure release passage 4, described Pressure relief plate 52 is square structure, and the block 53 is arranged on the lower wall surface of pressure release passage 4, and the block 53 is on the outside of packaging bag Side is incline structure；The top of the pressure relief plate 52 is articulated and connected with jointed shaft 51, enables pressure relief plate 52 around hinge Spindle 51 rotates, and the lower tilt and the prism of block 53 of the pressure relief plate 52 are tangent, and the setting of block 53 prevents pressure relief plate 52 return its natural vertical state, i.e., when packaging bag is not heated, pressure relief plate 52 is pressed on block 53；The pressure relief plate 52 Keep contacting with the inwall moment of pressure release passage 4, therefore when packaging bag is not heated, pressure relief plate 52, block 53 and pressure release passage Just sealing structure is formed, prevents extraneous air from entering packaging bag；When packaging bag is heated, pressure relief plate 52 is in packaging bag internal pressure In the presence of leave block 53, make to form space between block 53 and pressure relief plate 52, flow out inner air, play the work of pressure release With.

Preferably, the upper diaphragm 11 and the lower ecto-entad of diaphragm 12 are followed successively by zone of heating, heat insulation layer and heat-sealing Layer.

Preferably, the zone of heating is polyester aluminizer, and it is to be applied on resistant to elevated temperatures plastic sheeting using vacuum technique It is covered with one layer of thin metal, the typically polymer film of aluminium.

Preferably, the heat insulation layer uses the white brown paper material of monochromatic light, and heat insulation layer can effectively prevent food materials Heat energy be transferred on the outside of packaging bag, and reduce thermal energy conduction and radiation, reach optimal heat insulation effect.

Preferably, the hot sealing layer is polypropylene glued membrane, and it has good gluing (heat-sealing, gluing etc.), easily product Layer is on other thin-film materials.

Preferably, the transverse sealing envelope flanging 2 is provided with two pressure release passages 4.

Preferably, the longitudinal sealing envelope flanging 3 is provided with three pressure release passages 4.

Preferably, three pressure relief devices 5 are uniformly arranged in the pressure release passage 4.

The setting of multiple pressure release passages 4 and pressure relief device 5 improves pressure release efficiency.

It is a kind of it is hermetically sealed can microwave heating of plastic packaging bag, its embodiment is：

By the application equipped with food it is hermetically sealed can microwave heating of plastic packaging bag be placed in micro-wave oven and heat, adding In thermal process, the moisture vaporization in food can cause packaging bag to expand, when reaching certain pressure, in the work of packaging bag internal pressure Rotated with lower pressure relief plate 52 along jointed shaft 51, contact prism of the pressure relief plate 52 no longer with block 53, so that in packaging bag The gas in portion is flowed out by the space between block 53 and pressure relief plate 52, plays a part of pressure release.

When food using the application it is hermetically sealed can microwave heating of plastic packaging bag packed when, the air outside packaging bag Pressure makes pressure relief plate 52 firmly be pressed on the prism of block 53, makes the air of outside can not enter inside packaging bag, so that Food in packaging bag will not be putrid and deteriorated.

In description of the present utility model, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " Based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying description, without referring to Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage Solve as to limitation of the present utility model.

It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing The limitation of type, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, people in the art Member need not pay the various modifications that creative work can make or deformation still within the scope of protection of the utility model.

Claims (8)

1. it is a kind of it is hermetically sealed can microwave heating of plastic packaging bag, it is characterized in that, including packaging bag main body, the packaging bag main body bag Include upper diaphragm and lower diaphragm；The surrounding hot pressing of the upper diaphragm and lower diaphragm forms transverse sealing envelope flanging and longitudinal sealing envelope pressure Side；Some pressure release passages are respectively provided with the transverse sealing envelope flanging and longitudinal sealing envelope flanging；

The cross section of pressure release passage is square structure；Pressure relief device is provided with inside the pressure release passage, the pressure relief device includes Jointed shaft, pressure relief plate and block；The jointed shaft is fixedly connected with the upper wall of pressure release passage, and the pressure relief plate is square structure, The block is arranged on pressure release passage lower wall surface, and side of the block on the outside of packaging bag is incline structure；The pressure release The top of plate is articulated and connected with jointed shaft, and the lower tilt of the pressure relief plate and the prism of block are tangent；The pressure release Plate keeps contacting with the inwall moment of pressure release passage.

2. it is as claimed in claim 1 a kind of it is hermetically sealed can microwave heating of plastic packaging bag, it is characterized in that, the upper diaphragm and under Diaphragm ecto-entad is followed successively by zone of heating, heat insulation layer and hot sealing layer.

3. it is as claimed in claim 2 a kind of it is hermetically sealed can microwave heating of plastic packaging bag, it is characterized in that, the zone of heating is poly- Ester aluminizer.

4. it is as claimed in claim 2 a kind of it is hermetically sealed can microwave heating of plastic packaging bag, it is characterized in that, the heat insulation layer Using the white brown paper material of monochromatic light.

5. it is as claimed in claim 2 a kind of it is hermetically sealed can microwave heating of plastic packaging bag, it is characterized in that, the hot sealing layer is poly- Propylene glued membrane.

6. it is as claimed in claim 1 a kind of it is hermetically sealed can microwave heating of plastic packaging bag, it is characterized in that, the transverse sealing envelope Flanging is provided with two pressure release passages.

7. it is as claimed in claim 1 a kind of it is hermetically sealed can microwave heating of plastic packaging bag, it is characterized in that, the longitudinal sealing envelope Flanging is provided with three pressure release passages.

8. it is as claimed in claim 1 a kind of it is hermetically sealed can microwave heating of plastic packaging bag, it is characterized in that, in the pressure release passage It is uniformly arranged three pressure relief devices.