Plastic bag with good stretch-proof and puncture-proof effects

Abstract

The utility model belongs to the technical field of plastic bags, and particularly relates to a plastic bag with good stretch-proof and puncture-proof effects, which comprises a bag body structure. The bag body structure comprises a first base layer, first handle layers are correspondingly installed on the front side and the rear side of an upper end opening of the first base layer, a second base layer is installed on the side wall of the first base layer, and second handle layers are correspondingly installed on the front side and the rear side of an upper end opening of the second base layer. First tensile layers are mounted on the side walls of the first base layer and the first handle layer; through the structural design of the bag body, the problems that an existing plastic bag is not good in tensile and anti-puncture effects, so that the plastic bag is prone to breakage and is prone to being punctured by objects are solved, and therefore the overall tensile and anti-puncture capacity of the plastic bag is improved; through the design of the bearing structure, the problems that an existing plastic bag is poor in bearing capacity and prone to being damaged due to weight are solved, the bearing capacity of the plastic bag is improved, and the using effect of the plastic bag is better.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bags, in particular to a plastic bag with good anti - stretching and anti - puncture effects. Background Technique

[0002] Plastic bags are bags made mainly of plastics and are essential items in people's daily lives. They are often used to hold other items and are widely used because of their advantages of low cost, extremely light weight, large capacity, and convenient storage. They are commonly seen in supermarkets, traditional markets, department stores, warehouses, landfills, etc. and are essential items in people's daily lives.

[0003] The existing plastic bags have poor anti - stretching and anti - puncture effects, making them prone to breakage and easy to be punctured by objects. Secondly, the load - bearing capacity of the existing plastic bags is poor and they are easily damaged under weight. Therefore, in view of the above problems, a plastic bag with good anti - stretching and anti - puncture effects is proposed. Content of the Utility Model

[0004] In order to make up for the deficiencies of the existing technology, that is, the existing plastic bags have poor anti - stretching and anti - puncture effects, making them prone to breakage and easy to be punctured by objects; secondly, the load - bearing capacity of the existing plastic bags is poor and they are easily damaged under weight, the utility model proposes a plastic bag with good anti - stretching and anti - puncture effects.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a plastic bag with good anti - stretching and anti - puncture effects, including a bag body structure;

[0006] The bag body structure includes a first base layer. At the upper port of the first base layer and corresponding to the front and back sides, first handle layers are installed. On the side wall of the first base layer, a second base layer is installed. At the upper port of the second base layer and corresponding to the front and back sides, second handle layers are installed. On the side walls of the first base layer and the first handle layers, a first anti - stretching layer is installed. On the side wall of the first anti - stretching layer, a first puncture - resistant layer is arranged. On the side walls of the first handle layer and the second handle layer, a second anti - stretching layer is installed. On the side wall of the second anti - stretching layer, a second puncture - resistant layer is installed;

[0007] A load - bearing structure is arranged between the first base layer and the first handle layer;

[0008] The load - bearing structure includes a lower load - bearing rope. At the outer wall of the lower load - bearing rope and at the corners, connecting ropes are arranged. The upper ends of the four connecting ropes are connected by an upper load - bearing rope. At the outer wall of the upper load - bearing rope and corresponding to the front and back sides, handle ropes are installed.

[0009] Preferably, the lower load - bearing rope is arranged between the bottoms of the first base layer and the second base layer, and the handle ropes are arranged between the first handle layer and the second handle layer.

[0010] Preferably, the first base layer, the first handle layer, the second base layer, and the second handle layer are made of polyethylene.

[0011] Preferably, the first anti-tensile layer and the second anti-tensile layer are made of ultra-high molecular weight polyethylene, and the first puncture-resistant layer and the second puncture-resistant layer are made of thermoplastic polyurethane elastomer.

[0012] Preferably, the other end of the first handle layer is connected to the first base layer, and the other end of the second handle layer is connected to the second base layer.

[0013] Preferably, the first handle layer and the second handle layer are adapted to each other, and the handle rope is adapted to the first handle layer.

[0014] Preferably, the other end of the handle rope is connected to the outer wall of the upper load-bearing rope.

[0015] Preferably, the lower load-bearing rope, the connecting rope, the upper load-bearing rope, and the handle rope are braided ropes with good anti-tensile strength.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. Through the design of the bag body structure of the present utility model, the first anti-tensile layer and the second anti-tensile layer are made of ultra-high molecular weight polyethylene, which has excellent anti-tensile performance and abrasion resistance, and can improve the anti-tensile performance of the plastic bag; the first puncture-resistant layer and the second puncture-resistant layer are made of thermoplastic polyurethane elastomer, which has excellent puncture resistance and can improve the puncture-proof ability of the plastic bag, solving the problems of poor anti-tensile and puncture-proof effects of the existing plastic bags, making the plastic bags prone to breakage and easy to be punctured by objects, thereby improving the overall anti-tensile and puncture-proof abilities of the plastic bags;

[0018] 2. Through the design of the load-bearing structure of the present utility model, when the first base layer and the first handle layer carry heavy objects, under the support of the lower load-bearing rope, the connecting rope, and the upper load-bearing rope, it is ensured that the external form of the first base layer and the first handle layer is not greatly changed, and at the same time, the load-bearing capacity of the first base layer and the first handle layer is increased, solving the problem of poor load-bearing capacity of the existing plastic bags and being easily damaged under weight, improving the load-bearing capacity of the plastic bags, and making the use effect of the plastic bags better. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 2 is an enlarged structural schematic diagram of part A of the present utility model;

[0022] Figure 3 is a partial disassembly structural schematic diagram of the present utility model;

[0023] Figure 4 is a load-bearing structural schematic diagram of the present utility model.

[0024] In the figure: 1. Bag body structure; 101. First base layer; 102. First handle layer; 103. Second base layer; 104. Second handle layer; 105. First anti-tensile layer; 106. First puncture-resistant layer; 107. Second anti-tensile layer; 108. Second puncture-resistant layer; 2. Load-bearing structure; 201. Lower load-bearing rope; 202. Connecting rope; 203. Upper load-bearing rope; 204. Handle rope. Specific embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0026] The following is further described in conjunction with the attached Figures 1-4 to further elaborate on this application,

[0027] The embodiments of this application disclose a plastic bag with good anti-tensile and puncture-proof effects. Refer to Figure 1 and Figure 4 , a plastic bag with good anti-tensile and puncture-proof effects, including a bag body structure 1;

[0028] The bag body structure 1 includes a first base layer 101. At the upper port of the first base layer 101 and corresponding to the front and rear sides, first handle layers 102 are installed. On the side wall of the first base layer 101, a second base layer 103 is installed. At the upper port of the second base layer 103 and corresponding to the front and rear sides, second handle layers 104 are installed. On the side walls of the first base layer 101 and the first handle layers 102, a first anti-tensile layer 105 is installed. On the side wall of the first anti-tensile layer 105, a first puncture-resistant layer 106 is provided. On the side walls of the first handle layers 102 and the second handle layers 104, a second anti-tensile layer 107 is installed. On the side wall of the second anti-tensile layer 107, a second puncture-resistant layer 108 is installed. The first anti-tensile layer 105 and the second anti-tensile layer 107 are made of ultra-high molecular weight polyethylene material, which has excellent anti-tensile performance and abrasion resistance, and can improve the anti-tensile performance of the plastic bag. The first puncture-resistant layer 106 and the second puncture-resistant layer 108 are made of thermoplastic polyurethane elastomer material, which has excellent puncture-resistant performance and can improve the puncture-proof ability of the plastic bag, solving the problems of poor anti-tensile and puncture-proof effects of the existing plastic bags, making the plastic bags prone to breakage and easy to be punctured by objects, thereby improving the overall anti-tensile and puncture-proof abilities of the plastic bags;

[0029] A load-bearing structure 2 is provided between the first base layer 101 and the first handle layer 102;

[0030] The load-bearing structure 2 includes a lower load-bearing rope 201. At the outer wall of the lower load-bearing rope 201 and at the corners, connecting ropes 202 are provided. The upper ends of the four connecting ropes 202 are connected by an upper load-bearing rope 203. At the outer wall of the upper load-bearing rope 203 and corresponding to the front and rear sides, handle ropes 204 are installed. When the first base layer 101 and the first handle layer 102 carry heavy objects, under the support of the lower load-bearing rope 201, the connecting ropes 202 and the upper load-bearing rope 203, it is ensured that the external shape of the first base layer 101 and the first handle layer 102 is not greatly changed, and at the same time, the load-bearing capacity of the first base layer 101 and the first handle layer 102 is increased, solving the problem of poor load-bearing capacity of the existing plastic bags and being easily damaged under heavy load, improving the load-bearing capacity of the plastic bags, and making the use effect of the plastic bags better.

[0031] Refer to Figure 3, the lower load-bearing rope 201 is arranged between the bottom of the first base layer 101 and the first handle layer 102, and the handle rope 204 is arranged between the second base layer 103 and the second handle layer 104; the materials of the first base layer 101, the first handle layer 102, the second base layer 103 and the second handle layer 104 are polyethylene; the materials of the first anti-tensile layer 105 and the second anti-tensile layer 107 are ultra-high molecular weight polyethylene, and the materials of the first puncture-resistant layer 106 and the second puncture-resistant layer 108 are thermoplastic polyurethane elastomer; by arranging the lower load-bearing rope 201 between the bottom of the first base layer 101 and the second base layer 103, and arranging the handle rope 204 between the first handle layer 102 and the second handle layer 104, the lower load-bearing rope 201, the connecting rope 202 and the upper load-bearing rope 203 are installed in the interlayer of the first base layer 101 and the second base layer 103, and the handle rope 204 is installed in the interlayer of the first handle layer 102 and the second handle layer 104, so as to realize the stable installation of the load-bearing structure 2, and at the same time realize the load-bearing function of the load-bearing structure 2 on the bag body structure 1;

[0032] Refer to Figure 3 and Figure 4 , the other end of the first handle layer 102 is connected to the first base layer 101, and the other end of the second handle layer 104 is connected to the second base layer 103; the first handle layer 102 and the second handle layer 104 are arranged in a matching manner, and the handle rope 204 is arranged in a matching manner with the first handle layer 102; the other end of the handle rope 204 is connected to the outer wall of the upper load-bearing rope 203; the lower load-bearing rope 201, the connecting rope 202, the upper load-bearing rope 203 and the handle rope 204 are braided ropes with good anti-tensile strength; by using the lower load-bearing rope 201, the connecting rope 202, the upper load-bearing rope 203 and the handle rope 204 as braided ropes with good anti-tensile strength, the load-bearing performance of the plastic bag is increased, and at the same time, the anti-tensile ability of the plastic bag is also improved;

[0033] Working principle: Since the first anti-tensile layer 105 and the second anti-tensile layer 107 are made of ultra-high molecular weight polyethylene material, they have excellent anti-tensile performance and wear resistance, and can improve the anti-tensile performance of the plastic bag; the first puncture-resistant layer 106 and the second puncture-resistant layer 108 are made of thermoplastic polyurethane elastomer material, which has excellent puncture resistance. By combining with rigid nanoparticles, the overall puncture resistance of the plastic bag can be significantly improved, solving the problems of poor anti-tensile and anti-puncture effects of existing plastic bags, making the plastic bags prone to breakage and easy to be punctured by objects, thereby improving the overall anti-tensile and anti-puncture abilities of the plastic bags;

[0034] When the first base layer 101 and the first handle layer 102 carry heavy objects, under the support of the lower load-bearing rope 201, the connecting rope 202 and the upper load-bearing rope 203, it is ensured that the external forms of the first base layer 101 and the first handle layer 102 are not greatly changed, and the lower load-bearing rope 201 conveys the weight to the connecting rope 202, and the connecting rope 202 transmits the weight to the upper load-bearing rope 203. Finally, the weight borne by the upper load-bearing rope 203 is conveyed to the handle rope 204, thereby sharing the weight of the items borne by the first base layer 101 and the first handle layer 102, increasing the load-bearing capacity of the first base layer 101 and the first handle layer 102, solving the problem that the existing plastic bags have poor load-bearing capacity and are easily damaged under heavy load, improving the load-bearing capacity of the plastic bags, and making the use effect of the plastic bags better.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A plastic bag with good anti - stretching and puncture - resistant effects, including a bag body structure (1); characterized in that: The bag body structure (1) includes a first base layer (101). At the upper port of the first base layer (101) and corresponding to the front and rear sides, first handle layers (102) are installed. On the side wall of the first base layer (101), a second base layer (103) is installed. At the upper port of the second base layer (103) and corresponding to the front and rear sides, second handle layers (104) are installed. On the side walls of the first base layer (101) and the first handle layers (102), a first anti - stretching layer (105) is installed. On the side wall of the first anti - stretching layer (105), a first puncture - resistant layer (106) is provided. On the side walls of the first handle layers (102) and the second handle layers (104), a second anti - stretching layer (107) is installed. On the side wall of the second anti - stretching layer (107), a second puncture - resistant layer (108) is installed; A load - bearing structure (2) is provided between the first base layer (101) and the first handle layer (102); The load - bearing structure (2) includes a lower load - bearing rope (201). On the outer wall of the lower load - bearing rope (201) and at the corners, connecting ropes (202) are provided. The upper ends of the four connecting ropes (202) are connected by an upper load - bearing rope (203). On the outer wall of the upper load - bearing rope (203) and corresponding to the front and rear sides, handle ropes (204) are installed.

2. The plastic bag with good anti-tensile and puncture-proof effects according to claim 1, characterized in that: The lower load - bearing rope (201) is arranged between the bottoms of the first base layer (101) and the second base layer (103), and the handle ropes (204) are arranged between the first handle layer (102) and the second handle layer (104).

3. A plastic bag with good anti-tensile and anti-puncture effects according to claim 1, characterized in that: The materials of the first base layer (101), the first handle layer (102), the second base layer (103), and the second handle layer (104) are polyethylene.

4. The plastic bag with good anti-tensile and anti-puncture effects according to claim 1, characterized in that: The materials of the first anti - stretching layer (105) and the second anti - stretching layer (107) are ultra - high - molecular - weight polyethylene, and the materials of the first puncture - resistant layer (106) and the second puncture - resistant layer (108) are thermoplastic polyurethane elastomer.

5. A plastic bag with good anti-tensile and anti-puncture effects according to claim 1, characterized in that: The other end of the first handle layer (102) is connected to the first base layer (101), and the other end of the second handle layer (104) is connected to the second base layer (103).

6. A plastic bag with good anti - stretching and anti - puncture effects according to claim 1, characterized in that: The first handle layer (102) and the second handle layer (104) are set to be adapted to each other, and the handle rope (204) is set to be adapted to the first handle layer (102).

7. A plastic bag with good anti-tensile and anti-puncture effects according to claim 1, characterized in that: The other end of the handle rope (204) is connected to the outer wall of the upper load - bearing rope (203).

8. A plastic bag with good anti-tensile and anti-puncture effects according to claim 1, characterized in that: The lower load - bearing rope (201), the connecting rope (202), the upper load - bearing rope (203), and the handle rope (204) are braided ropes with good anti - stretching strength.

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