CN112278569A

CN112278569A - Environment-friendly degradable plastic food packaging bag

Info

Publication number: CN112278569A
Application number: CN202011098501.XA
Authority: CN
Inventors: 夏子涵; 张娇娇
Original assignee: Individual
Current assignee: Shantou Zhongyi Packaging Industry Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-01-29
Anticipated expiration: 2040-10-14
Also published as: CN112278569B

Abstract

The invention belongs to the technical field of food packaging, and particularly relates to an environment-friendly degradable plastic food packaging bag which comprises a bag body, wherein the bag body is made of degradable plastic, and an opening is formed in the upper end of the bag body; the bag body is arranged into a cuboid, and two long strips are symmetrically bonded on the front side surface and the rear side surface of the bag body respectively; the thickness of the strip is greater than the wall thickness of the bag body, the upper end face of the strip is flush with the upper end face of the bag body, the height of the strip is two thirds of the height of the bag body, and two pre-folding lines are arranged on the strip at equal intervals from top to bottom at the position close to the front side face of the bag body; the tea bag has the advantages that the long strips on the two sides are bent along the pre-folding marks, so that the sealing of the tea in the bag body is effectively realized, the probability that the tea is yellow and affected by dampness due to the contact of the tea and moisture in the air is reduced, the height of the long strips is two thirds of the height of the bag body, the residual tea is positioned below the long pre-folding marks during bending, the long strips cannot extrude the tea to cause the tea to be cracked, and the quality of the tea is guaranteed.

Description

Environment-friendly degradable plastic food packaging bag

Technical Field

The invention belongs to the technical field of food packaging, and particularly relates to an environment-friendly degradable plastic food packaging bag.

Background

As is well known, tea has many benefits, and through separation and identification of modern science, the tea contains more than four hundred and fifty organic chemical components and more than forty inorganic mineral elements. The organic chemical components and inorganic mineral elements in tea leaves contain many nutrient components and medicinal components. The organic chemical components mainly comprise: tea polyphenols, plant alkaloid, protein, amino acid, vitamin, pectin, organic acid, lipopolysaccharide, saccharide, enzyme, pigment, etc. The inorganic mineral elements mainly comprise: potassium, calcium, magnesium, cobalt, iron, aluminum, sodium, zinc, copper, nitrogen, phosphorus, fluorine, iodine, selenium, and the like. The tea not only has the efficacy of treating various diseases, but also has good effects of prolonging life, resisting aging and strengthening body.

Chinese tea culture is profound, drinking tea is a favorite of many Chinese people since ancient times, the existing tea packaging modes are various, wherein one tea packaging mode is that a plurality of small sealed bags with the same specification are placed in a metal box for packaging, packaging bags are further arranged in the small bags, and quantitative tea is placed in the packaging bags, so that one bag can be drunk at a time without being easily affected with damp and yellow after being opened and sealed like traditional box-packaged tea, the taste of the tea is influenced, but the small bags are disposable in the actual use process, the internal packaging bags can be taken out after being torn during initial use, then the tea in the packaging bags is poured out for use, because the packaging bags are thin and soft, when the packaging bags are opened, the situation that the packaging bags are easily torn or cannot be opened is not easily controlled, so that the opening is inconvenient, moreover, the situation that tea leaves in one small bag cannot be drunk at one time also happens occasionally, and the remaining tea leaves are difficult to store and are easy to be affected with damp to cause the reduction of the taste.

In view of the above, in order to overcome the above technical problems, the present invention provides an environment-friendly degradable plastic food packaging bag, which adopts a special security door structure to solve the above technical problems.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an environment-friendly degradable plastic food packaging bag, which improves the convenience of opening the bag body through a long strip arranged in the bag body, and is matched with a thread rope and an ear part arranged on the outer side, so that the tea can be stored in the bag body in a sealed manner when the tea cannot be drunk at one time.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly degradable plastic food packaging bag comprises a bag body, wherein the bag body is used for containing tea, the bag body is made of degradable plastic, and the upper end of the bag body is provided with an opening; the bag body is arranged into a cuboid, and two long strips are symmetrically bonded on the front side surface and the rear side surface of the bag body respectively; the rectangular thickness is greater than the wall thickness of the bag body, rectangular up end flushes with the up end of the bag body, and rectangular height is the two-thirds of bag body height, and the position from the top down equidistance that is close to bag body leading flank on the rectangular is provided with two crease in advance. When the tea bag works, Chinese tea culture is profound, drinking tea is a favorite of a plurality of people in China since ancient times, the existing tea packaging styles are various, wherein one tea packaging is that a plurality of sealed small bags with the same specification are placed in a metal box for packaging, the small bags are also provided with packaging bags, and quantitative tea is placed in the packaging bags, so that the tea bag can be drunk once without being affected with damp and yellow after being opened like the traditional box-packed tea, the taste of the tea is influenced, but the small bags are disposable in the actual use process, the internal packaging bags can be taken out after being torn during the initial use, then the tea in the packaging bags is poured out for use, because the packaging bags are thin and soft, the tea bag is inconvenient to open, the situation that the tea in one small bag cannot be drunk at a time is also happened, and the remaining tea is difficult to store, the taste is easily reduced due to moisture; therefore, the invention solves the problem that the four edges of the bag body are supported by the long strips adhered inside the bag body, the bag body is sealed in a small bag in an initial state, after the bag body is disassembled and taken out, a user can quickly open the bag body by only slightly pinching the surrounding long strips to move outwards, the long strips can effectively support to ensure that the bag opening of the bag body can be quickly opened to the maximum, the tea leaves in the bag body can be poured out conveniently, the volume of the tea leaves in the bag body is reduced after a part of the tea leaves are poured out, the preset pre-folding marks on the long strips are basically aligned after the long strips are adhered tightly, then the pre-folding marks above the tea leaves are selected according to the volume of the tea leaves in the bag body, then the long strips are bent towards the front of the bag body along the direction of the pre-folding marks, and the arrangement of the pre-folding marks ensures that the long strips are easier to bend, rectangular formation enclosure space below the bag body in crease mark department in advance after buckling, the bag body that will buckle afterwards is filled in the pouch after the tear-up, space in the utilization pouch is spacing to rectangular after buckling, prevent rectangular reset to cause sealed disappearance, also can adopt the clip to press from both sides the bag body after buckling, and then the effectual sealed of bag body tealeaves that has realized, thereby reduce tealeaves because with the air normal water shunting contact lead to yellowing and the probability that influences the taste that wets, and rectangular highly be the two-thirds of bag body height, remaining tealeaves is located rectangular crease mark's below when buckling, rectangular can not extrude the tealeaves in the bag body and lead to tealeaves cracked, the quality of tealeaves has been guaranteed.

Preferably, the strip is a paperboard, the sum of the widths of the two strips is equal to one fourth of the width of the bag body, the strip made of the paperboard can absorb moisture in the bag body, and the dryness in the bag body is improved. The during operation, no matter the bag body after opening or the bag body that does not open, rectangular lower extreme all is located the bag internally, and rectangular adoption cardboard material makes, the cardboard has certain hydroscopicity, thereby can absorb the internal tealeaves moisture of bag, improve the degree of dryness of tealeaves, improve the retention period and the taste of tealeaves, and horizontal expansion can take place for cardboard after the moisture absorption and lead to the area increase, thereby make the area further increase of making, rectangular supporting effect has been improved, the convenience that the bag body was opened next time has further been strengthened.

Preferably, the front side surface and the rear side surface of the bag body are respectively provided with two ear parts, and the ear parts are provided with ear holes; the four lugs are symmetrically distributed at two middle positions of the two side surfaces in a pairwise group, one lug on the same side surface is positioned at the upper end of the side surface, and the other lug is positioned at the lower end of the side surface; one of the lug parts at the upper end is fixedly connected with a thread rope, and the other end of the thread rope sequentially bypasses the lug parts at the bottoms at the same side and then sequentially passes through the lug parts on the other side from bottom to top to fall into the bag body to be contacted with the tea leaves in the bag body. When the tea bag is in operation, the bent strip is limited only by the space of the torn small bag, so that gaps can be caused in the space below the bag body, and the tea in the bag body is contacted with air, and the quality and the taste of the tea are affected, therefore, the ear parts are arranged on the front side surface and the rear side surface of the bag body, when the residual tea needs to be stored, the cord originally positioned in the bag body is pulled out, the action of continuously bending the strip is unchanged, the free end of the cord is tightened after the bending of the strip is finished, the cord binds the bent strip and the end part of the bag body, the limitation of the strip and the end part of the bag body is realized, the free end of the cord is bound on the other end of the cord, the binding of the whole bag body is realized, the tea is more thoroughly separated from the outside air, and the quality and the taste of the residual tea are ensured, and inside rectangular this moment has formed certain support, reduces the cotton rope and ties up the cracked possibility of leading to tealeaves that ties up too tightly, and the user only need buckle after then tie up the cotton rope and can accomplish the secondary seal of tealeaves, convenient and fast stays to wait for next use.

Preferably, the cord is woven by cotton, and the diameter of the portion of the cord falling into the bag body is larger than the diameter of the cord located outside the bag body. When the tea bag works, the bag body is in a sealed state in the small bag, and the possibility of containing water vapor in the tea leaves cannot be eliminated, so that the cotton threads are woven by adopting cotton threads, the cotton threads have water absorption, and the cotton threads falling into the bag body can be contacted with the tea leaves, so that the water in the tea leaves is absorbed, the dryness of the tea leaves is improved, and the contact area with the tea leaves can be increased and more water can be absorbed simultaneously due to the fact that the diameter of the cotton threads falling into the bag body is thicker, and the drying capacity is improved; the cotton thread after absorbing steam is more durable than dry cotton thread, can guarantee that the cotton thread is difficult to the fracture when using the cotton thread rope to tie up, improves the life of cotton thread rope.

Preferably, a group of elastic bags are bonded on the adjacent side surfaces of the two strips; the elastic bags are arranged into strips, the positions of the elastic bags and the positions of the pre-folding lines correspond one to one, and the elastic bags are made of degradable starch plastic materials. The during operation, can contact each other and support tightly between two elastic bags when rectangular buckling, take place elastic deformation afterwards under the pressure effect by force and become flat for gap between rectangular is filled by the deflection of elastic bag, thereby the sealing performance in below space in the bag body has been improved, make the quality and the taste of surplus tealeaves obtain effectual protection, and the elastic bag adopts degradable starch plastic material to make, can be abandoned not using the back fast degradation at the bag body, reduce the pollution to the environment.

Preferably, the section of the elastic bag is semicircular, a group of air holes are formed in the position, located at the upper part, of the elastic bag on one side, and desiccant particles are placed in the elastic bag; the air hole is communicated with the interior of the elastic bag. During operation, set up the gas pocket through the elasticity bag upper portion at one of them side to pack the drier granule in this elasticity bag, thereby can keep dry to the bag internal during initial condition, when tealeaves is preserved to the secondary simultaneously, mutual extrusion between the elasticity bag, the elasticity bag inside that is equipped with the drier granule receives the extrusion jet-propelled, because the gas pocket sets up upwards, the drier granule is difficult to extrude from the gas pocket along with gas, makes the drier granule sneak into in the tealeaves as far as possible by reducing, has guaranteed the safety in utilization of tealeaves.

Preferably, a group of strip-shaped grooves distributed at equal intervals are formed in the middle of the semicircular surface on the outer side of each elastic bag, and when the two opposite elastic bags are pressed by force, the strip-shaped grooves are dislocated, so that the relative friction between the two opposite elastic bags is increased. During operation, because the outer surface of the elastic bag is smooth, the two elastic bags slide to be in a vertically staggered state, the sealing effect is influenced, and when the two opposite elastic bags are extruded under the stress, the parts of the strip-shaped grooves are slightly staggered, so that the strip-shaped grooves are slightly clamped, the relative friction between the strip-shaped grooves is increased, the two elastic bags are always in a state that the middle parts of the two elastic bags are extruded and tightly abutted, and the sealing performance is further enhanced.

Preferably, the cross section of the air hole is in an inverted V-shaped structure, and the smaller end of the two ends of the V-shaped structure is communicated with the interior of the elastic bag. When the tea leaf storage bag works, the air holes are arranged to be in a V-shaped structure, when tea leaves are stored for the second time, the two elastic bags are in contact with each other firstly, and the middle parts of the two elastic bags are in contact with each other firstly, so that the air holes are reduced under the action of the first contact deformation due to the existence of mutual extrusion force, the desiccant particles are further prevented from extruding out of the air holes, and the use safety of the tea leaves is improved; the air holes of the elastic bag which are not contacted with the lower part cannot be influenced, and the desiccant particles in the elastic bag can continuously play a drying role.

Preferably, the air holes are arranged at an angle of 30-45 degrees, and when the two elastic bags are pressed against each other, the elastic bags provided with the air holes eject internal air from the air holes after being pressed, so that the opening edge of the bag body is blown. During operation, the dust contained in the tea leaves is easy to remain at the opening position in the process of pouring the tea, the tea leaves are easy to be polluted after contacting with air, the polluted dust is inevitably contacted in the process of pouring the tea leaves for the second time, so that the tea leaves are also polluted, and the safety of the tea leaves is influenced.

Preferably, the edge of bag body bottom is provided with the anticollision strip, the anticollision strip is used for protecting tealeaves not by the crushing. Through the anticollision strip that sets up on the bottom surface to support fixedly the bottom surface of the bag body, improved the pressure performance of preventing of the inside tealeaves of the bag body, the effectual tealeaves of having protected is not crushed, has guaranteed the complete degree of tealeaves.

Preferably, the anti-collision strip is made of degradable starch plastic materials, and the thickness of the anti-collision strip close to the edge of the bag body is larger than that of the anti-collision strip far away from the edge of the bag body; adopt the anticollision strip that degradable starch plastic material made, degradation that can be fine when becoming rubbish has alleviated the pollution condition to the environment, and the bag body generally the edge receives at first when receiving the extrusion, consequently through setting up anticollision strip edge department thicker, guarantees the anti-pressure performance of anticollision strip when can saving the anticollision strip material, has guaranteed the complete degree of tealeaves.

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

1. according to the tea bag, the long strips are arranged, the long strips on the two sides are bent along the pre-folding marks, so that the sealing of the tea in the bag body is effectively realized, the probability that the tea is yellow and affected by moisture due to the fact that the tea is contacted with water in the air is reduced, the height of the long strips is two thirds of the height of the bag body, the residual tea is located below the long pre-folding marks when the tea is bent, the long strips cannot extrude the tea in the bag body to cause tea cracking, and the quality of the tea is guaranteed.

2. According to the invention, the binding of the whole bag body is realized through the matching of the long strips and the cords, so that the tea leaves are more thoroughly isolated from the outside air, the quality and the taste of the residual tea leaves are ensured, the internal long strips form a certain support, the possibility of tea leaf fragmentation caused by over-tight cord binding is reduced, the tea leaves can be sealed again only by fastening the cords after being bent by a user, and the tea leaves can be conveniently and quickly reserved for next use.

Drawings

FIG. 1 is a perspective view of the bag of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

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

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

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

FIG. 6 is an enlarged view of a portion of FIG. 2 at D;

FIG. 7 is a view showing the state of the strip-shaped groove when two elastic bags are pressed;

in the figure: the bag comprises a bag body 1, a strip 2, a pre-folding line 3, an ear part 4, an ear hole 5, a thread rope 6, an elastic bag 7, an air hole 8, desiccant particles 9, a strip-shaped groove 10 and an anti-collision strip 11.

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.

As shown in fig. 1 to 7, the present invention provides the following technical solutions: an environment-friendly degradable plastic food packaging bag comprises a bag body 1, wherein the bag body 1 is used for containing tea, the bag body 1 is made of degradable plastic, and an opening is formed in the upper end of the bag body 1; the bag body 1 is arranged into a cuboid, and two long strips 2 are symmetrically bonded on the front side surface and the rear side surface of the bag body 1 respectively; the thickness of rectangular 2 is greater than the wall thickness of the bag body 1, the up end of rectangular 2 flushes with the up end of the bag body 1, and the height of rectangular 2 is the two thirds of the height of the bag body 1, and the equidistance is provided with two crease 3 under the position from the top of being close to the 1 leading flank of the bag body on rectangular 2. When the tea bag works, Chinese tea culture is profound, drinking tea is a favorite of a plurality of people in China since ancient times, the existing tea packaging styles are various, wherein one tea packaging is that a plurality of sealed small bags with the same specification are placed in a metal box for packaging, the small bags are also provided with packaging bags, and quantitative tea is placed in the packaging bags, so that the tea bag can be drunk once without being affected with damp and yellow after being opened like the traditional box-packed tea, the taste of the tea is influenced, but the small bags are disposable in the actual use process, the internal packaging bags can be taken out after being torn during the initial use, then the tea in the packaging bags is poured out for use, because the packaging bags are thin and soft, the tea bag is inconvenient to open, the situation that the tea in one small bag cannot be drunk at a time is also happened, and the remaining tea is difficult to store, the taste is easily reduced due to moisture; therefore, the invention solves the problem that the bag body 1 is supported at four edges by the strips 2 adhered inside the bag body 1, the bag body 1 is sealed in a small bag in an initial state, after the bag body 1 is taken out after being disassembled, a user can rapidly open the bag body 1 by only slightly pinching the surrounding strips 2 to move outwards, the strips 2 can effectively support, so that the bag opening of the bag body 1 can be rapidly opened to the maximum, the tea leaves in the bag body 1 can be poured out conveniently, the volume of the tea leaves in the bag body 1 is reduced after a part of the tea leaves are poured out, after the strips 2 are tightly adhered, the pre-folding marks 3 preset on the strips 2 are basically aligned, then the pre-folding marks 3 positioned above the tea leaves are selected according to the volume of the tea leaves in the bag body 1, and then the strips 2 are bent towards the front of the bag body 1 along the direction of the pre-folding marks 3, the setting of crease 3 in advance makes the easier of rectangular 2 buckles, rectangular 2 after buckling is in 3 departments of pre-creasing with bag body 1 below formation enclosure space, bag body 1 that will buckle afterwards fills in the pouch after the tear-up, it is spacing to utilize rectangular 2 after buckling to carry on in the space in the pouch, prevent rectangular 2 to reset and cause sealed disappearance, also can adopt the clip to press from both sides bag body 1 after buckling, and then the effectual sealed of bag body 1 tealeaves that has realized, thereby reduce tealeaves and lead to yellowing and the probability that influences the taste of weing because of contacting with the aqueous humor in the air, and rectangular 2 highly be two-thirds of bag body 1 height, remaining tealeaves is located rectangular 2 below of pre-creasing crease 3 when buckling, rectangular 2 can not extrude the tealeaves of the bag body 1 in and lead to tealeaves cracked, the quality of tealeaves has been guaranteed.

In one embodiment of the present invention, the strips 2 are made of cardboard, the sum of the widths of the two strips 2 is equal to one fourth of the width of the bag body 1, and the strips 2 made of cardboard can absorb moisture in the bag body 1 to improve the dryness in the bag body 1. The during operation, no matter the bag body 1 after opening or the bag body 1 that does not open, the lower extreme of rectangular 2 all is located the bag body 1, and rectangular 2 adopts the cardboard material to make, the cardboard has certain hydroscopicity, thereby can absorb the tealeaves moisture of the internal of bag, improve the degree of dryness of tealeaves, improve the retention period and the taste of tealeaves, and horizontal expansion can take place for the cardboard after the moisture absorption and lead to the area increase, thereby make the area of making further increase, rectangular 2's supporting effect has been improved, the convenience that the bag body 1 was opened next time has further been strengthened.

As an embodiment of the present invention, two ear portions 4 are respectively disposed on the front and rear side surfaces of the bag body 1, and ear holes 5 are disposed on the ear portions 4; the four lugs 4 are symmetrically distributed at two middle positions of the two side surfaces in a group of two lugs 4, one lug 4 on the same side surface is positioned at the upper end of the side surface, and the other lug 4 is positioned at the lower end of the side surface; one of the ears 4 at the upper end is fixedly connected with a thread rope 6, and the other end of the thread rope 6 sequentially bypasses the ears 4 at the bottom at the same side, sequentially passes through the ears 4 on the other side from bottom to top, and then falls into the bag body 1 to be contacted with the tea leaves in the bag body 1. When the tea bag is in operation, the bent strip 2 is limited only through the space of the torn small bag, so that a gap may be formed in the space below the bag body 1, and the tea in the bag body 1 is contacted with air, and the quality and the taste of the tea are affected, therefore, the ear parts 4 are arranged on the front side and the rear side of the bag body 1, when the residual tea needs to be stored, the thread rope 6 originally positioned in the bag body 1 is drawn out, then the action of continuously bending the strip 2 is unchanged, the difference is that after the strip 2 is bent, the free end of the thread rope 6 is tightened, so that the thread rope 6 binds the bent strip 2 and the end part of the bag body 1 tightly, the limit of the strip 2 and the end part of the bag body 1 is realized, then the free end of the thread rope 6 is bound on the other end of the thread rope 6, the binding of the whole bag body 1 is realized, and the tea is more thoroughly separated from the outside air, guaranteed the quality and the taste of surplus tealeaves to rectangular 2 of inside has formed certain support this moment, has reduced cotton rope 6 and has tied up the cracked possibility of tealeaves that leads to the tension, and the user only need buckle after again tie up cotton rope 6 and can accomplish the resealing of tealeaves, convenient and fast stays to wait for next use.

In one embodiment of the present invention, the string 6 is woven with cotton, and a diameter of a portion of the string 6 that falls inside the bag 1 is larger than a diameter of the string 6 that is positioned outside the bag 1 among the strings 6. When the tea bag works, when the bag body 1 is in a small bag sealing state, the possibility of containing water vapor in tea leaves cannot be eliminated, so that the cotton threads 6 are woven by cotton threads, the cotton threads have water absorption, and the cotton threads falling into the bag body 1 can be contacted with the tea leaves, so that the water in the tea leaves is absorbed, the dryness of the tea leaves is improved, and the contact area with the tea leaves can be increased and more water can be absorbed simultaneously due to the fact that the diameter of the part of the cotton threads 6 falling into the bag body 1 is thicker, and the drying capacity is improved; absorb the cotton thread after the steam and compare dry cotton thread more durable, can guarantee that cotton thread 6 is difficult to the fracture when using cotton thread 6 to tie up, improve cotton thread 6's life.

As an embodiment of the invention, a group of elastic pockets 7 is glued to the side of the two strips 2 that are close to each other; the elastic bags 7 are arranged into strips, the positions of the elastic bags 7 and the positions of the pre-folding marks 3 correspond one by one, and the elastic bags 7 are made of degradable starch plastic materials. The during operation, can contact each other and support tightly between two elastic bag 7 when rectangular 2 buckles, take place elastic deformation afterwards under the pressure effect by force and become flat, make the gap between rectangular 2 filled by elastic bag 7's deflection, thereby the sealing performance in the below space in the bag body 1 has been improved, make the quality and the taste of surplus tealeaves obtain effectual protection, and elastic bag 7 adopts degradable starch plastic materials to make, can be abandoned not using at the bag body 1 after quick degradation, reduce the pollution to the environment.

As an embodiment of the invention, the section of the elastic bag 7 is semicircular, wherein a group of air holes 8 are formed at the upper part of the elastic bag 7 on one side, and desiccant particles 9 are placed in the elastic bag 7; the air hole 8 is communicated with the interior of the elastic bag 7. During operation, offer gas pocket 8 through the elasticity bag 7 upper portion at one side of them to pack drier granule 9 in this elasticity bag 7, thereby can keep dry in bag body 1 when initial condition, when secondary preserves tealeaves simultaneously, mutual extrusion between elasticity bag 7, the elasticity bag 7 inside that is equipped with drier granule 9 is sprayed by the extrusion, because gas pocket 8 sets up upwards, drier granule 9 is difficult to extrude from gas pocket 8 along with gas, make drier granule 9 mix in probably reduced as far as possible in the tealeaves, guaranteed the safety in utilization of tealeaves.

In an embodiment of the present invention, a set of strip-shaped grooves 10 are formed at the center of the semicircular surface of the outer side of each elastic bag 7, and when the two opposite elastic bags 7 are pressed by a force, the positions of the strip-shaped grooves 10 are displaced, thereby increasing the relative friction between the two opposite elastic bags. During operation, because the outer surface of the elastic bags 7 is smooth, the two elastic bags 7 slide to be in a vertically staggered state, the sealing effect is influenced, and through the strip-shaped grooves 10, when the two opposite elastic bags 7 are extruded under force, the parts of the strip-shaped grooves 10 are slightly staggered, so that the strip-shaped grooves 10 are slightly clamped, the relative friction between the two opposite elastic bags is increased, the two elastic bags 7 are always kept in a state that the middle parts are extruded and tightly abutted, and the sealing performance is further enhanced.

In one embodiment of the present invention, the cross-sectional shape of the air hole 8 is an inverted V-shaped structure, and the smaller end of the V-shaped structure is communicated with the inside of the elastic bag 7. When the tea leaf storage bag works, the air holes 8 are arranged to be in a V-shaped structure, when tea leaves are stored for the second time, the two elastic bags 7 which are in contact with each other at the first, and the air holes 8 are reduced under the action of the first contact deformation due to the existence of mutual extrusion force, so that the desiccant particles 9 are further prevented from extruding out of the air holes 8, and the use safety of the tea leaves is improved; the pores 8 of the elastic bag 7, which are not in contact with the lower part, are not affected, and the desiccant particles 9 inside continue to perform the drying function.

In one embodiment of the present invention, the air holes 8 are formed at an angle of 30 to 45 degrees, and when the two elastic bags 7 are pressed against each other, the elastic bags 7 provided with the air holes 8 eject air from the air holes 8 after being pressed, thereby blowing the opening edge of the bag body 1. During operation, the dust contained in the tea leaves is easy to remain at the opening position in the process of pouring the tea, the tea leaves are easy to be polluted after contacting with air, the polluted dust is inevitably contacted in the process of pouring the tea leaves for the second time, so that the tea leaves are also polluted, and the safety of the tea leaves is influenced.

As an embodiment of the present invention, an anti-collision strip 11 is disposed at the edge of the bottom of the bag body 1, and the anti-collision strip 11 is used for protecting the tea leaves from being crushed. Through the anticollision strip 11 that sets up on the bottom surface to support fixedly the bottom surface of the bag body 1, improved the pressure performance of preventing of the inside tealeaves of the bag body 1, the effectual tealeaves of having protected is not crushed, has guaranteed the complete degree of tealeaves.

As an embodiment of the invention, the bumper strip 11 is made of degradable starch plastic material, and the thickness of the bumper strip 11 close to the edge of the bag body 1 is greater than that far from the edge of the bag body 1; adopt the crashproof strip 11 that degradable starch plastic material made, degradation that can be fine when becoming rubbish has alleviated the pollution condition to the environment, and generally edge receives at first when the bag body 1 receives the extrusion, consequently through setting up crashproof strip 11 edge thickly, guarantees crashproof strip 11 when can saving crashproof strip 11 materials and prevents pressing the performance, has guaranteed the complete degree of tealeaves.

When the tea bag works, Chinese tea culture is profound, drinking tea is a favorite of a plurality of people in China since ancient times, the existing tea packaging styles are various, wherein one tea packaging is that a plurality of sealed small bags with the same specification are placed in a metal box for packaging, the small bags are also provided with packaging bags, and quantitative tea is placed in the packaging bags, so that the tea bag can be drunk once without being affected with damp and yellow after being opened like the traditional box-packed tea, the taste of the tea is influenced, but the small bags are disposable in the actual use process, the internal packaging bags can be taken out after being torn during the initial use, then the tea in the packaging bags is poured out for use, because the packaging bags are thin and soft, the tea bag is inconvenient to open, the situation that the tea in one small bag cannot be drunk at a time is also happened, and the remaining tea is difficult to store, the taste is easily reduced due to moisture; therefore, the invention solves the problem that the bag body 1 is supported at four edges by the strips 2 adhered inside the bag body 1, the bag body 1 is sealed in a small bag in an initial state, after the bag body 1 is taken out after being disassembled, a user can rapidly open the bag body 1 by only slightly pinching the surrounding strips 2 to move outwards, the strips 2 can effectively support, so that the bag opening of the bag body 1 can be rapidly opened to the maximum, the tea leaves in the bag body 1 can be poured out conveniently, the volume of the tea leaves in the bag body 1 is reduced after a part of the tea leaves are poured out, after the strips 2 are tightly adhered, the pre-folding marks 3 preset on the strips 2 are basically aligned, then the pre-folding marks 3 positioned above the tea leaves are selected according to the volume of the tea leaves in the bag body 1, and then the strips 2 are bent towards the front of the bag body 1 along the direction of the pre-folding marks 3, the arrangement of the pre-folding lines 3 enables the strip 2 to be more easily bent, the strip 2 after being bent forms a closed space below the bag body 1 at the position of the pre-folding lines 3, then the bent bag body 1 is stuffed into a small bag after being torn up, the strip 2 after being bent is limited by the space in the small bag, the strip 2 is prevented from being reset to cause the sealing to disappear, the bent bag body 1 can also be clamped by a clamp, the sealing of the tea leaves in the bag body 1 is effectively realized, the probability that the tea leaves are yellow and affected by moisture due to the contact with water in the air is reduced, the height of the strip 2 is two thirds of the height of the bag body 1, the residual tea leaves during bending are located below the pre-folding lines 3 of the strip 2, the strip 2 cannot extrude the tea leaves in the bag body 1 to cause the cracking of the tea leaves, and the quality of the tea leaves is ensured; because no matter the bag body 1 after opening or the bag body 1 that does not open, the lower extreme of rectangular 2 all is located the bag body 1, and rectangular 2 adopts the cardboard material to make, the cardboard has certain hydroscopicity, thereby can absorb the tealeaves moisture of the internal 1 of bag, improve the degree of dryness of tealeaves, improve the retention period and the taste of tealeaves, and horizontal expansion can take place for the cardboard after the moisture absorption and lead to the area increase, thereby make the area of making further increase, rectangular 2's supporting effect has been improved, the convenience that the bag body 1 opened next time has further been strengthened.

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

1. The utility model provides an environment-friendly degradable plastic food packaging bag, includes bag body (1), its characterized in that: the tea bag is characterized in that the bag body (1) is used for containing tea, the bag body (1) is made of degradable plastics, and an opening is formed in the upper end of the bag body (1); the bag body (1) is arranged into a cuboid, and two long strips (2) are symmetrically bonded on the front side surface and the rear side surface of the bag body (1) respectively; the thickness of rectangular (2) is greater than the wall thickness of the bag body (1), the up end of rectangular (2) flushes with the up end of the bag body (1), and the height of rectangular (2) is the two-thirds of the height of the bag body (1), and the equidistance is provided with two crease (3) in advance under the position from the top of being close to bag body (1) leading flank on rectangular (2).

2. The environment-friendly degradable plastic food packaging bag of claim 1, wherein: rectangular (2) are the cardboard, and the width sum of two rectangular (2) equals the fourth of bag body (1) width, and rectangular (2) that the cardboard was made can absorb the moisture in the bag body (1), improves the degree of dryness in the bag body (1).

3. The environment-friendly degradable plastic food packaging bag of claim 2, wherein: two ear parts (4) are respectively arranged on the front side surface and the rear side surface of the bag body (1), and ear holes (5) are arranged on the ear parts (4); the four lugs (4) are symmetrically distributed at two middle positions of the two side surfaces in a pairwise mode, one lug (4) on the same side surface is located at the upper end of the side surface, and the other lug (4) is located at the lower end of the side surface; one of the ear parts (4) at the upper end is fixedly connected with a thread rope (6), and the other end of the thread rope (6) sequentially bypasses the ear parts (4) at the bottoms of the same sides and then sequentially passes through the ear parts (4) on the other side from bottom to top and then falls into the bag body (1) to be contacted with the tea leaves in the bag body (1).

4. The environment-friendly degradable plastic food packaging bag of claim 3, wherein: the cotton rope (6) is woven by cotton threads, and the diameter of the part, falling into the bag body (1), of the cotton rope (6) is larger than that of the cotton rope (6) located on the outer side of the bag body (1) of the cotton rope (6).

5. The environment-friendly degradable plastic food packaging bag of claim 4, wherein: a group of elastic bags (7) are bonded on the side surfaces of the two strips (2) close to each other; the elastic bags (7) are arranged into strips, the positions of the elastic bags (7) and the positions of the pre-folding lines (3) are in one-to-one correspondence, and the elastic bags (7) are made of degradable starch plastic materials.

6. The environment-friendly degradable plastic food packaging bag of claim 5, wherein: the section of the elastic bag (7) is semicircular, a group of air holes (8) are formed in the upper part of the elastic bag (7) on one side, and desiccant particles (9) are placed in the elastic bag (7); the air hole (8) is communicated with the interior of the elastic bag (7).

7. The environment-friendly degradable plastic food packaging bag of claim 6, wherein: a group of strip-shaped grooves (10) distributed at equal intervals are formed in the middle of the semicircular surface on the outer side of each elastic bag (7), and when the two opposite elastic bags (7) are pressed by force, the parts of the strip-shaped grooves (10) can be dislocated, so that the relative friction between the two opposite elastic bags is increased.

8. The environment-friendly degradable plastic food packaging bag of claim 6, wherein: the section of the air hole (8) is in an inverted V-shaped structure, and the smaller end of the two ends of the V-shaped structure is communicated with the interior of the elastic bag (7).

9. The environment-friendly degradable plastic food packaging bag of claim 7, wherein: the air holes (8) are arranged at an inclination angle of 30-45 degrees, and when the two elastic bags (7) are mutually extruded, the elastic bags (7) provided with the air holes (8) can eject the internal air from the air holes (8) after being extruded, so that the opening edge of the bag body (1) is blown.

10. The environment-friendly degradable plastic food packaging bag of claim 1, wherein: the edge of bag body (1) bottom is provided with anticollision strip (11), anticollision strip (11) are used for protecting tealeaves not by the crushing.

11. The environment-friendly degradable plastic food packaging bag of claim 10, wherein: the anti-collision strip (11) is made of degradable starch plastic materials, and the thickness of the anti-collision strip (11) close to the edge of the bag body (1) is larger than the thickness of the edge of the bag body (1).