CN214113450U

CN214113450U - PE packaging bag with heat preservation structure

Info

Publication number: CN214113450U
Application number: CN202022662026.6U
Authority: CN
Inventors: 余建仁
Original assignee: Hangzhou Golden Flame Packaging & Multi Color Printing Co ltd
Current assignee: Hangzhou Golden Flame Packaging & Multi Color Printing Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-09-03
Anticipated expiration: 2030-11-17

Abstract

The utility model belongs to the material field for the food, a PE wrapping bag with insulation construction is related to, including the wrapping bag body, the wrapping bag body includes first substrate layer and second substrate layer, has confined intermediate layer between first substrate layer and the second substrate layer, is equipped with a plurality of cavity heat-insulating microballons in this intermediate layer, the inside of cavity heat-insulating microballon has the cavity the outside packing of each cavity heat-insulating microballon in intermediate layer has the filling material that keeps warm. The utility model is used for keep warm and insulate against heat to depositing in wherein food, improve heat retaining time, reduce food and receive outside ambient temperature influence transporting the in-process.

Description

PE packaging bag with heat preservation structure

Technical Field

The utility model belongs to the packaging material field relates to wrapping bag for food, especially relates to a PE wrapping bag with insulation construction.

Background

With the rapid development of the catering service industry, the distribution requirements on catering are higher and higher, and therefore, the heat-insulation packaging requirements on food are higher and higher. The traditional heat-preservation packaging bag usually adopts aluminum foil and pearl wool as heat-preservation materials.

For example, the chinese utility model patent publication No. CN209209402U discloses a glue-free integrated environmental protection packaging bag, which comprises a packaging bag body, a first fixing patch, a second fixing patch, and a high-grade aluminum foil layer, wherein the packaging bag body is provided with a first external pocket, the first external pocket is provided with a first magic tape thereon, the first fixing patch is provided above the first external pocket, the second fixing patch is provided at one side of the first fixing patch, a first handbag is provided on the first fixing patch and the second fixing patch, a second handbag is provided behind the first handbag, the packaging bag body is composed of three layers of material, namely, an outer layer of PET, heat insulation EPE pearl cotton, and the high-grade aluminum foil layer, an intermediate connecting sheet is sewn inside the packaging bag body through a thread, the second handbag is sewn on the packaging bag body through a thread, the PET outer layer and the heat insulation EPE pearl wool are fixed together through hot pressing, and the heat insulation EPE pearl wool and the high-grade fresh-keeping aluminum foil film layer are fixed together through hot pressing.

Although above-mentioned technical scheme has certain heat preservation effect, the heat preservation effect mainly relies on the cotton layer of thicker pearl to provide, nevertheless because the material is comparatively single, its heat preservation effect remains to be improved.

Disclosure of Invention

The application aims to solve the problems and provide a PE packaging bag with a heat insulation structure;

in order to achieve the above purpose, the utility model adopts the following technical proposal:

the application creatively provides a PE wrapping bag with insulation construction, including packaging bag body, packaging bag body includes first substrate layer and second substrate layer, has confined intermediate layer between first substrate layer and the second substrate layer, is equipped with a plurality of cavity thermal-insulated microballons in this intermediate layer, the inside of cavity thermal-insulated microballon has the cavity the outside packing of each cavity thermal-insulated microballon in intermediate layer has heat preservation filling material.

In foretell PE wrapping bag with insulation construction, the wrapping bag body is still including locating the inside supporting layer that first substrate layer deviates from intermediate layer one side, inside supporting layer has a plurality of portions of aerifing that have the inflation chamber, it has gas to fill in the inflation chamber.

In the PE packaging bag with the heat insulation structure, the inflation parts are grid inflation parts arranged in a rectangular array.

In the PE packaging bag with the heat insulation structure, the first base material layer and the second base material layer are made of polyethylene materials.

In the PE packaging bag with the heat insulation structure, the hollow heat insulation microspheres are hollow glass microspheres with the granularity of 50-100 micrometers and the wall thickness of 1-2 micrometers.

In the PE packaging bag with the heat insulation structure, 1-3 layers of hollow heat insulation microbeads are flatly laid in the interlayer.

In the PE packaging bag with the heat insulation structure, the heat insulation filling material is an XPE foaming material.

In foretell PE wrapping bag with insulation construction, the wrapping bag body still includes the waterproof enhancement layer of locating the second substrate layer and deviating from intermediate layer one side.

In foretell PE wrapping bag with insulation construction, the wrapping bag body includes four end to end's side and the bottom surface that links to each other with four sides respectively, has one in each side and the bottom surface respectively the intermediate layer, close relatively between two adjacent intermediate layers and link to each other through easy folding portion, easy folding portion is connected with the edge of aerifing the portion.

In foretell PE wrapping bag with insulation construction, the wrapping bag body has the opening, and this open-ended one side is equipped with the closing cap, this closing cap include with opening size assorted top cap, one side of this top cap is connected in one of them side of wrapping bag body collapsiblely, and three other sides of this top cap collapsiblely are connected with a side cap respectively, are equipped with first sealing member on every side cap, the three side that the wrapping bag body is not connected with the top cap be equipped with respectively with first sealing member matched with second sealing member.

Compared with the prior art, the utility model has the advantages of:

1) the utility model discloses an isolated air current of cavity thermal-insulated microballon to reduce heat transfer greatly, and compound with the filling material that keeps warm, reach good thermal-insulated effect. The food stored in the composite heat-preservation structure is subjected to heat preservation and heat insulation, so that the heat preservation time is prolonged, and the influence of the external environment temperature on the food in the conveying process is reduced.

2) Adopt XPE foaming material, be used for the packing in intermediate layer clearance on the one hand, through its good elasticity and anti deformability, play flexible supporting role to the wrapping bag body, on the other hand has better thermal-insulated effect, can strengthen the heat preservation effect of wrapping bag body.

3) The gas that does not flow in the inflation cavity can obstruct heat transfer, and the portion of aerifing has certain cushioning effect simultaneously, has the guard action.

4) The easy folding part is arranged, so that the packaging bag body can keep the shape of the bag body, and the filler in the interlayer is prevented from deforming.

Drawings

Fig. 1 is a schematic perspective view of the present application.

Fig. 2 is a schematic partial cross-sectional structure provided in the present application.

Fig. 3 is a schematic view of a partially expanded structure provided in the present application.

Fig. 4 is a schematic view of another partial cross-sectional structure provided in the present application.

In the figure, the packaging bag comprises a packaging bag body 1, an opening 100, a side surface 101, a bottom surface 102, an easy folding part 103, a second sealing element 104, a first substrate layer 11, a second substrate layer 12, an interlayer 13, a hollow heat insulation bead 14, a cavity 140, a heat insulation filling material 15, an inner supporting layer 16, an inflation cavity 160, an inflation part 161, a waterproof reinforcing layer 17, a sealing cover 2, a top cover 21, a side cover 22, a first sealing element 220 and a portable part 3.

Detailed Description

Further illustrated by the following specific examples;

as shown in fig. 1, a PE packaging bag with a heat insulation structure comprises a packaging bag body 1, wherein the packaging bag body 1 comprises four end-to-end side surfaces 101 and a bottom surface 102 connected with the four side surfaces 101, respectively, each side surface 101 and the bottom surface 102 are respectively provided with a sandwich layer 13, and two adjacent sandwich layers 13 are relatively closed and connected through an easy folding portion 103. Four side faces 101 and a bottom face 102 enclose a bag shape having an opening 100, and a lid 2 is provided on one side of the opening 100. The cover 2 includes a top cover 21 matching the size of the opening 100, one side of the top cover 21 is foldably connected to one side 101 of the package body 1, and the other three sides of the top cover 21 are respectively foldably connected to a side cover 22. By folding, the top cover 21 can be placed over the opening 100, and the closing of the opening 100 is achieved by three side covers 22 respectively connected to the tops of the three sides 101.

A first sealing member 220 is provided on each side cover 22, and a second sealing member 104 engaged with the first sealing member 220 is provided on each of three sides 101 of the package body 1 not connected to the top cover 21.

Preferably, the first sealing member 220 and the second sealing member 104 are a sub-surface and a mother-surface of the hook and loop fastener, respectively.

Two opposite side surfaces 101 of the packaging bag body 1 are respectively provided with a hand-held part 3, and the hand-held parts 3 are preferably sewn by double-layer canvas and are connected with the side surfaces 101 of the packaging bag body 1 by gluing or sewing.

As shown in fig. 2, the packaging bag body 1 is made of a heat insulation structure, specifically, the packaging bag body 1 includes a first substrate layer 11 and a second substrate layer 12, a closed interlayer 13 is provided between the first substrate layer 11 and the second substrate layer 12, a plurality of hollow heat insulation microbeads 14 are provided in the interlayer 13, a cavity 140 is provided inside the hollow heat insulation microbeads 14, and a heat insulation filling material 15 is filled between each hollow heat insulation microbead 14 in the interlayer 13. The hollow heat insulation micro-beads 14 isolate air flow, thereby greatly reducing heat transfer, and the hollow heat insulation micro-beads are compounded with the heat insulation filling material 15 to achieve good heat insulation effect.

Specifically, the first base material layer 11 and the second base material layer 12 are made of a polyethylene material. The first substrate layer 11 and the second substrate layer 12 are sealed by heat pressing or an adhesive to form the interlayer 13.

One to three layers of hollow heat-insulating microbeads 14 are laid in the interlayer 13, and in this embodiment, one layer of hollow heat-insulating microbeads 14 are closely arranged. The hollow heat insulation micro-beads 14 are hollow glass micro-beads with the granularity of 50-100 microns and the wall thickness of 1-2 microns.

The heat-insulating filling material 15 is an XPE foaming material, namely a chemical cross-linked polyethylene foaming material, and the heat-insulating filling material 15 is filled on two sides of the hollow heat-insulating microbeads 14 and is adaptive to the shape of the hollow heat-insulating microbeads 14. Be used for the packing in intermediate layer 13 clearance on the one hand, through its good elasticity and anti deformability, play flexible supporting role to wrapping bag body 1, on the other hand has better thermal-insulated effect, can strengthen wrapping bag body 1's heat preservation effect.

In this embodiment, the thickness of the whole interlayer 13 is 2 to 3 mm, so that the packaging bag body 1 has a smaller thickness.

The packaging bag body 1 further comprises an inner supporting layer 16 arranged on one side, deviating from the interlayer 13, of the first base material layer 11 and a waterproof reinforcing layer 17 arranged on one side, deviating from the interlayer 13, of the second base material layer 12.

With reference to fig. 2, 3 and 4, the inner support layer 16 has a plurality of inflatable portions 161 having inflatable chambers 160, the inflatable chambers 160 being filled with air or other gas. The plurality of air-filled portions 161 are lattice-shaped air-filled portions arranged in a rectangular array. The inflation portion 161 is made of double-layer polyethylene, polypropylene or thermoplastic polyurethane elastomer rubber, one surface of the inflation portion 161 is adhered to the first substrate layer 11 through an adhesive, and the other surface is arc-shaped. The internal support layer 16 can effectively support the internal loaded object, the object is in contact with the arc-shaped surface of the inflation portion 161, the non-flowing gas in the inflation cavity 160 can block heat transfer, and meanwhile, the inflation portion 161 has a certain shock absorption effect and a protection effect.

Specifically, the waterproof reinforcing layer 17 is made of a canvas material, and the waterproof reinforcing layer 17 is connected to the second base material layer 12 by an adhesive or connected to the second base material layer 12 by heat pressing. Has the functions of improving mechanical property and preventing water.

The easy-to-fold portion 103 is tightly connected with a waterproof reinforcing layer 17, a second substrate layer 12, a first substrate layer 11 and an inner supporting layer 16 from outside to inside in sequence. The easy-folding portion 103 is connected to the side edge of the inflation portion 161 located at each side 101 or bottom 102, so as to form an easy-folding strip structure, which facilitates the formation of a bag structure of the packaging bag body 1 and prevents the deformation of the filler in the interlayer 13.

As shown in fig. 1, the structure of the cover 2 can be made in the same manner as the package bag body 1, and the top cover 21 and the side surface 101 and the top cover 21 and the side cover 22 are connected by folding via the easy-folding portion 103.

The working principle of the utility model is as follows:

the heat insulation layer formed by the hollow heat insulation micro-beads 14 in the interlayer 13 and the inflation layer formed by the inflation part 161 are sequentially isolated, so that the influence of the external environment temperature on the internal food temperature is greatly reduced. The utility model provides a PE wrapping bag with insulation construction can be used for keeping warm and insulating heat to depositing in wherein food, improves heat retaining time, reduces food and receives external environment temperature influence transporting the in-process.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the package bag body 1, the opening 100, the side surface 101, the bottom surface 102, the easy-folding portion 103, the second sealing member 104, the first substrate layer 11, the second substrate layer 12, the interlayer 13, the hollow heat-insulating beads 14, the cavity 140, the heat-insulating filling material 15, the inner support layer 16, the inflation cavity 160, the inflation portion 161, the waterproof reinforcing layer 17, the cover 2, the top cover 21, the side cover 22, the first sealing member 220, the handle portion 3, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a PE wrapping bag with insulation construction, includes wrapping bag body (1), its characterized in that: wrapping bag body (1) includes first substrate layer (11) and second substrate layer (12), has confined intermediate layer (13) between first substrate layer (11) and second substrate layer (12), is equipped with a plurality of cavity heat-insulating microballons (14) in this intermediate layer (13), the inside of cavity heat-insulating microballon (14) has cavity (140) each cavity heat-insulating microballon (14) outside packing in intermediate layer (13) has heat preservation filling material (15).

2. The PE packing bag with an insulation structure as claimed in claim 1, wherein: wrapping bag body (1) is still including locating inside supporting layer (16) that first substrate layer (11) deviates from intermediate layer (13) one side, inside supporting layer (16) have a plurality of portions of aerifing (161) that have inflation chamber (160), it has gas to fill in inflation chamber (160).

3. The PE package bag with an insulation structure as claimed in claim 2, wherein: the inflation parts (161) are square grid-shaped inflation parts arranged in a rectangular array.

4. The PE packing bag with an insulation structure as claimed in claim 1, wherein: the first base material layer (11) and the second base material layer (12) are made of polyethylene materials.

5. The PE packing bag with an insulation structure as claimed in claim 1, wherein: the hollow heat insulation micro-beads (14) are hollow glass micro-beads with the particle size of 50-100 micrometers and the wall thickness of 1-2 micrometers.

6. The PE packaging bag having an insulation structure as claimed in claim 5, wherein: and 1-3 layers of hollow heat-insulating microbeads (14) are flatly laid in the interlayer (13).

7. The PE packing bag with an insulation structure as claimed in claim 1, wherein: the heat-insulating filling material (15) is an XPE foaming material.

8. The PE packing bag with an insulation structure as claimed in claim 1, wherein: the packaging bag body (1) further comprises a waterproof reinforcing layer (17) arranged on one side, deviating from the interlayer (13), of the second base material layer (12).

9. The PE package bag with an insulation structure as claimed in claim 3, wherein: the packaging bag body (1) comprises four end-to-end side faces (101) and bottom faces (102) connected with the four side faces (101) respectively, each side face (101) and the bottom face (102) are respectively provided with one interlayer (13), every two adjacent interlayers (13) are relatively closed and connected through an easy-to-fold portion (103), and the easy-to-fold portion (103) is connected with the edge of the inflating portion (161).

10. The PE package bag with insulation according to claim 9, wherein: the packaging bag comprises a packaging bag body (1) and is characterized in that the packaging bag body (1) is provided with an opening (100), one side of the opening (100) is provided with a sealing cover (2), the sealing cover (2) comprises a top cover (21) matched with the size of the opening (100), one side edge of the top cover (21) is foldably connected to one side face (101) of the packaging bag body (1), the other three side edges of the top cover (21) are respectively foldably connected with a side cover (22), each side cover (22) is provided with a first sealing element (220), and three side faces (101) of the packaging bag body (1) which are not connected with the top cover (21) are respectively provided with second sealing elements (104) matched with the first sealing elements (220).