High-sealing-performance medicinal food packaging bag capable of preventing children from opening bag body
By designing a special connection method for the front and rear zippers and a multi-layer material structure, the problem of children easily opening the packaging of medicinal food has been solved, achieving high sealing performance and tensile strength, thus ensuring the safety and shelf life of the medicinal food.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN SUN PAK PACKING PROD LTD
- Filing Date
- 2025-04-16
- Publication Date
- 2026-04-10
AI Technical Summary
Existing pharmaceutical and food packaging bottles or boxes are easily opened by children, have poor sealing, and ordinary plastic bags are not airtight enough to effectively prevent external moisture from entering.
A highly airtight pharmaceutical and food packaging bag is designed, employing a special connection method of front and rear chain plates, which can only be opened with the hands of an adult. It is combined with a multi-layer material structure to improve sealing and tensile strength.
It effectively prevents children from opening the bag, maintains good sealing and tensile strength, and ensures the safety and shelf life of medicinal food.
Smart Images
Figure CN224104607U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to packing bag technical field, especially a kind of high sealing property medical food packing bag capable of preventing children from pulling open bag body. BACKGROUND
[0002] At present, part of users need to keep health-care medical food or mental medical food in home, these medical foods usually have packing bottle or packing box, but these packing bottle or packing box is easily contacted by children, on the other hand, the sealing property of packing bottle or packing box of medical food is greatly reduced after being opened, and external moisture is easily entered into packing bottle or packing box. Therefore, in prior art, medical food consumer usually additionally provides a plastic bag to pack the packing bottle or packing box of medical food, but this ordinary plastic bag is easily opened, and sealing property is poor. SUMMARY
[0003] The utility model solves the technical problem of the above prior art, and provides a high sealing property medical food packing bag capable of preventing children from pulling open bag body, when children hold the upper end of front bag piece and rear bag piece and pull outwards, the middle part and upper part of front clamping chain piece will be inclined to rear clamping chain piece, so that front clamping chain and rear clamping chain cannot be pulled open, so bag body cannot be pulled open, but only when adult holds the upper end of front bag piece and front clamping chain piece with one hand, and holds the upper end of rear bag piece with the other hand and pulls outwards, front clamping chain and rear clamping chain can be pulled open, to achieve the purpose of pulling open bag body, the pattern of the packing bag is good in color fixing, good in sealing property, high in tensile strength, and external moisture can be prevented from entering into packing bag.
[0004] The utility model discloses a high sealing property medical food packaging bag capable of preventing children from opening the bag body, which comprises a bag body, a bag opening provided at the upper end of the bag body, a front bag piece, a rear bag piece, a lower bag piece, a front clamping chain piece and a rear clamping chain piece, the front clamping chain piece is arranged on the inner side of the end of the front bag piece close to the bag opening, the lower part of the front clamping chain piece is heat fusion connected with the front bag piece, the middle part and the upper part of the front clamping chain piece are not connected with the front bag piece, the middle part of the front clamping chain piece is provided with a front clamping chain, the rear clamping chain piece is arranged on the inner side of the end of the rear bag piece close to the bag opening, the lower part, the middle part and the upper part of the rear clamping chain piece are heat fusion connected with the rear bag piece, the middle part of the rear clamping chain piece is provided with a rear clamping chain, the front clamping chain corresponds to the rear clamping chain, and the front clamping chain and the rear clamping chain can be clamped or loosened to each other, the left end of the front bag piece is heat fusion connected with the left end of the rear bag piece and the lower bag piece respectively, the lower end of the front bag piece is heat fusion connected with the front end of the lower bag piece, the right end of the front bag piece is heat fusion connected with the right end of the rear bag piece and the lower bag piece respectively, and the lower end of the rear bag piece is heat fusion connected with the rear end of the lower bag piece.
[0005] In the above technical scheme, the middle part of the front clamping chain piece is provided with two parallel front clamping chains, and the middle part of the rear clamping chain piece is provided with two parallel rear clamping chains.
[0006] In the above technical scheme, the thickness of the PET material layer is 38-42 microns, the thickness of the PA material layer is 38-42 microns, the thickness of the metal aluminum film layer is 1.5-2.5 microns, the thickness of the pattern layer is 1.5-2.5 microns, and the thickness of the OPP material layer is 18-22 microns.
[0007] In the above technical scheme, the front clamping chain piece and the rear clamping chain piece are PET clamping chain pieces.
[0008] In the above technical scheme, the front bag piece, the rear bag piece and the lower bag piece are rectangular bag pieces, the middle part of the lower bag piece is folded upward between the front bag piece and the rear bag piece, and the left end and the right end of the front bag piece, the rear bag piece and the lower bag piece are provided with heat sealing edges.
[0009] The utility model discloses a beneficial effect is: (1) the utility model discloses a packing bag when using, because the middle part and upper portion of front clamping link sheet are not connected with front bag piece, and the middle part of front clamping link is arranged at the middle part of front clamping link sheet, and the lower portion, middle part and upper portion of rear clamping link sheet are all connected with rear bag piece heat fusion, and the middle part of rear clamping link is arranged at the middle part of rear clamping link sheet, therefore, when the child holds the upper end of front bag piece and rear bag piece and pulls outwards with both hands, the middle part and upper portion of front clamping link sheet will be inclined to rear clamping link sheet, so that front clamping link and rear clamping link can not be pulled open, so as to not open bag body, reach the purpose of avoiding that the child opens bag body, and only adult one hand holds the upper end of front bag piece and front clamping link sheet with force simultaneously, and the other hand holds the upper end of rear bag piece and pulls outwards with both hands simultaneously, and front clamping link and rear clamping link can be pulled open only then, to reach the purpose of opening bag body, (2) the utility model discloses because pattern layer is located in the inboard of OPP material layer, and metal aluminum film layer is located in the inboard of pattern layer, so this can guarantee that the trademark and pattern of packing bag are good in color fixing performance, and are not easy to fade after long storage, and metal aluminum film layer can also guarantee that the sealing property of bag body is very good, the utility model discloses the OPP material layer that it adopts, and the transparency is good, and the flatness is good, and the stiffness of PET material layer is good, and the impact resistance is strong, and the heat sealing performance is good, and the tensile strength of PA material is high, and the impact performance is excellent, so that the whole bag body has good flatness, impact resistance, heat sealing property and tensile strength. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is the front structure schematic drawing of the utility model.
[0011] Figure 2 It is the front schematic drawing of the dispersion structure of the utility model.
[0012] Figure 3 It is the side schematic drawing of the dispersion structure of the utility model.
[0013] Figure 4 It is the level structure schematic drawing of front bag piece, rear bag piece and lower bag piece. DETAILED DESCRIPTION
[0014] The structure principle and working principle of the utility model are further explained in detail below in connection with the drawings.
[0015] As Figures 1-4As shown, the utility model is a kind of high sealing property medical food packaging bag capable of preventing children from pulling open bag body, including bag body, the upper end of bag body is equipped with bag mouth, bag body includes front bag piece 1, rear bag piece 2, lower bag piece 3, front clamping chain piece 4 and rear clamping chain piece 5, the inner side of one end of front bag piece 1 close to bag mouth is provided with front clamping chain piece 4, the lower part of front clamping chain piece 4 is connected with front bag piece 1 by heat fusion, the middle part and upper part of front clamping chain piece 4 are not connected with front bag piece 1, and the middle part of front clamping chain piece 4 is equipped with front clamping chain 6;The inner side of one end of rear bag piece 2 close to bag mouth is provided with rear clamping chain piece 5, and the lower part, middle part and upper part of rear clamping chain piece 5 are connected with rear bag piece 2 by heat fusion, and the middle part of rear clamping chain piece 5 is equipped with rear clamping chain 7, and front clamping chain 6 corresponds with rear clamping chain 7, and front clamping chain 6 and rear clamping chain 7 can be mutually clamped or loosened;The left end of front bag piece 1 is connected with the left end of rear bag piece 2 and lower bag piece 3 by heat fusion respectively, the lower end of front bag piece 1 is connected with the front end of lower bag piece 3 by heat fusion, the right end of front bag piece 1 is connected with the right end of rear bag piece 2 and lower bag piece 3 by heat fusion respectively, and the lower end of rear bag piece 2 is connected with the rear end of lower bag piece 3 by heat fusion;Front bag piece 1, rear bag piece 2 and lower bag piece 3 include PET material layer 8, PA material layer 9, metal aluminum film layer 10, pattern layer 11 and OPP material layer 12 from inside to outside in sequence respectively, PET material layer 8 and PA material layer 9 are compounded together under melting state, metal aluminum film layer 10 and PA material layer 9 are bonded together by glue, pattern layer 11 is sprayed and printed on metal aluminum film layer 10, and pattern layer 11 and OPP material layer 12 are bonded together by glue layer 12.
[0016] The utility model discloses a packing bag, when using, because the middle and upper portion of front clamping chain piece 4 are not connected with front bag piece 1, front clamping chain 6 is arranged at the middle of front clamping chain piece 4, and the lower portion, middle and upper portion of rear clamping chain piece 5 are all connected with rear bag piece 2 by hot melting, rear clamping chain 7 is arranged at the middle of rear clamping chain piece 5, therefore, when the upper end of front bag piece 1 and rear bag piece 2 is held by the both hands of children and pulled outwards, the middle and upper portion of front clamping chain piece 4 will be inclined to rear clamping chain piece 5, so that front clamping chain 6 and rear clamping chain 7 cannot be pulled apart, thereby the bag body cannot be pulled apart, the purpose that the bag body is avoided to be pulled apart by children is achieved, and only when the upper end of front bag piece 1 and front clamping chain piece 4 is held by one hand of adult and the upper end of rear bag piece 2 is held by the other hand and pulled outwards simultaneously, front clamping chain 6 and rear clamping chain 7 can be pulled apart, to achieve the purpose that the bag body is pulled apart, the utility model discloses the trademark, pattern of packing bag are good in color fastness, and the color is not easy to fade after long storage, and the sealing property of bag body is very good because metal aluminum film layer 10 is arranged at the inside of pattern layer 11, and the utility model discloses the transparency of OPP material layer 12 is good, flatness is good, the stiffness of PET material layer 8 is good, the impact resistance is strong, the heat sealing property is good, the tensile strength of PA material is high, and the impact property is excellent, so that the whole bag body has good flatness, impact resistance, heat sealing property and tensile strength.
[0017] As shown in Figures 1-4 The middle of front clamping chain piece 4 is provided with two parallel front clamping chains 6, and the middle of rear clamping chain piece 5 is provided with two parallel rear clamping chains 7. The two front clamping chains 6 and the two rear clamping chains 7 can significantly improve the sealing property of the bag body, and greater force needs to be applied when pulling apart the front clamping chain 6 and the rear clamping chain 7, so as to further avoid children from pulling apart the bag body. Preferably, one of the two front clamping chains 6 is a male clamping chain, and the other is a female clamping chain. Correspondingly, one of the two rear clamping chains 7 is a male clamping chain, and the other is a female clamping chain.
[0018] As shown in Figure 4 The thickness of the PET material layer 8 is 38-42 μm, preferably 40 μm; the thickness of the PA material layer 9 is 38-42 μm, preferably 40 μm; the thickness of the metal aluminum film layer 10 is 1.5-2.5 μm, preferably 2 μm; the thickness of the pattern layer 11 is 1.5-2.5 μm, preferably 2 μm; and the thickness of the OPP material layer 12 is 18-22 μm, preferably 20 μm.
[0019] As a preferred mode of the utility model, the front clamping chain piece 4 and the rear clamping chain piece 5 are both PET clamping chain pieces.
[0020] As a preferred mode of the utility model, referring to Figures 1-3The front bag piece 1, the rear bag piece 2 and the lower bag piece 3 are rectangular bag pieces respectively, the middle part of the lower bag piece 3 is folded upward between the front bag piece 1 and the rear bag piece 2, and the left end and the right end of the front bag piece 1, the rear bag piece 2 and the lower bag piece 3 are provided with heat-seal edges 14 respectively.
[0021] The processing method of the food packaging bag is as follows: firstly, the PET material layer and the PA material layer are respectively prepared, and are extruded into a continuous film in the extruder; then, a metal aluminum film layer is bonded on the continuous film by glue; next, a pattern layer is sprayed on the metal aluminum film layer, and an OPP material layer is bonded on the pattern layer by glue, so as to form a bag continuous film; finally, the bag continuous film is cut, folded, and formed into a single food packaging bag.
[0022] The above is only the preferred embodiment of the present application, and any slight modification, equivalent change and modification of the above embodiment according to the technical scheme of the present application are within the scope of the technical scheme of the present application.
Claims
1. A highly airtight pharmaceutical and food packaging bag that prevents children from opening the bag, characterized in that: The bag body is provided with a bag opening at the upper end, and comprises a front bag piece, a rear bag piece, a lower bag piece, a front clamping chain piece and a rear clamping chain piece. The front clamping chain piece is arranged on the inner side of the end of the front bag piece close to the bag opening, and the lower part of the front clamping chain piece is hot melt connected with the front bag piece. The middle part and the upper part of the front clamping chain piece are not connected with the front bag piece, and the middle part of the front clamping chain piece is provided with a front clamping chain. The rear clamping chain piece is arranged on the inner side of the end of the rear bag piece close to the bag opening, and the lower part, the middle part and the upper part of the rear clamping chain piece are hot melt connected with the rear bag piece. The middle part of the rear clamping chain piece is provided with a rear clamping chain, and the front clamping chain and the rear clamping chain correspond to each other and can be clamped or loosened. The left end of the front bag piece is hot melt connected with the left end of the rear bag piece and the lower bag piece respectively, the lower end of the front bag piece is hot melt connected with the front end of the lower bag piece, the right end of the front bag piece is hot melt connected with the right end of the rear bag piece and the lower bag piece respectively, and the lower end of the rear bag piece is hot melt connected with the rear end of the lower bag piece. The front bag piece, the rear bag piece and the lower bag piece sequentially comprise a PET material layer, a PA material layer, a metal aluminum film layer, a pattern layer and an OPP material layer from inside to outside respectively.
2. The packaging bag according to claim 1, wherein: the bag body is formed of a material having a thickness of 20 to 100 μm. The middle part of the front clamping chain piece is provided with two parallel front clamping chains, and the middle part of the rear clamping chain piece is provided with two parallel rear clamping chains.
3. The packaging bag according to claim 1, wherein: the bag body is formed by heat-sealing the upper edge of the bag body to the lower edge of the bag body. The thickness of the PET material layer is 38-42 microns, the thickness of the PA material layer is 38-42 microns, the thickness of the metal aluminum film layer is 1.5-2.5 microns, the thickness of the pattern layer is 1.5-2.5 microns, and the thickness of the OPP material layer is 18-22 microns.
4. The packaging bag according to claim 1, wherein: the bag body is formed of a material having a thickness of 20 to 50 μm. The thickness of the PET material layer is 40 microns, the thickness of the PA material layer is 40 microns, the thickness of the metal aluminum film layer is 2 microns, the thickness of the pattern layer is 2 microns, and the thickness of the OPP material layer is 20 microns.
5. The packaging bag according to claim 1, wherein: the bag body is formed of a material having a thickness of 20 to 50 μm. The front clamping chain piece and the rear clamping chain piece are PET clamping chain pieces.
6. The packaging bag according to claim 1, wherein: the bag body is formed of a material having a thickness of 20 to 50 μm. The front bag piece, the rear bag piece and the lower bag piece are rectangular bag pieces, the middle part of the lower bag piece is folded upward between the front bag piece and the rear bag piece, and the left end and the right end of the front bag piece, the rear bag piece and the lower bag piece are provided with heat sealing edges respectively.