Multilayer leakage-proof wear-resistant composite packaging bag

Abstract

The utility model relates to the field of composite packaging bags, in particular to a multilayer leakage-proof wear-resistant composite packaging bag which comprises a bottom frame, vertical rods, an opening frame, a wear-resistant layer, a leakage-proof layer, a filling support, a filling layer and a sealing opening, the vertical rods are fixedly installed at the four corners of the top of the bottom frame, the opening frame is fixedly installed at the tops of the vertical rods, and the wear-resistant layer is fixedly connected into the vertical rods. The leakage-proof layer is arranged in the wear-resistant layer, the filling support is arranged between the leakage-proof layer and the wear-resistant layer, the filling layer is arranged between the leakage-proof layer and the wear-resistant layer, the sealing opening is fixedly connected to the top of the leakage-proof layer, and the packaging bag is of a multi-layer composite structure and is provided with the leakage-proof layer, the filling layer and the wear-resistant layer. According to the packaging bag, the function requirements possibly encountered in the using process of the packaging bag are fully considered, the outer side of the wear-resistant layer is wrapped with the wear-resistant rubber soft strip, the small pulleys are arranged at the bottom of the packaging bag, abrasion of the packaging bag is reduced, the sealing strip is arranged at the top opening, and it is guaranteed that objects in the packaging bag cannot overflow through sealing of the three convex strips and the concave holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of composite packaging bag, especially to multilayer leakageproof wear-resistant composite packaging bag. BACKGROUND

[0002] Multilayer leakageproof wear-resistant composite packaging bag is a kind of packaging bag that is composed of multiple layers of materials, with the characteristics of leakageproof, wear-resistant, corrosion-resistant, etc., it is usually composed of base material layer, functional layer and surface layer, which are compounded together by adhesive or hot pressing, etc., this kind of packaging bag is widely used in food, chemical industry, medicine and other fields, for packaging various liquids, powders, granules and other objects.

[0003] At present, the multilayer leakageproof wear-resistant composite packaging bag on the market is mainly made of polyethylene, polypropylene and other plastic materials, although it has certain leakageproof and wear-resistant performance, but it is easy to deform and age in high temperature environment, and the sealing performance of some packaging bags is not good, which is easy to leak, in addition, the surface wear resistance of some packaging bags is poor, which is easy to wear, affecting the appearance and service life.

[0004] Therefore, in view of the above-mentioned problems of the existing composite packaging bag that is easy to deform and age in use and the sealing performance of some packaging bags is not good and the surface is easy to wear, a multilayer leakageproof wear-resistant composite packaging bag can be designed, which is attached with wear-resistant material on the surface and bottom of the packaging bag to increase its wear resistance and prolong its service life. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the problems of the existing composite packaging bag that is easy to deform and age in use and the sealing performance of some packaging bags is not good and the surface is easy to wear, a multilayer leakageproof wear-resistant composite packaging bag is proposed.

[0006] The technical scheme of the utility model is as follows: a multilayer leakageproof wear-resistant composite packaging bag, comprising a bottom frame, a vertical rod, an opening frame, a wear-resistant layer, a leakageproof layer, a filling support, a filling layer, a sealing port and a handle, the vertical rod is fixedly installed at the top of the four corners of the bottom frame, the opening frame is fixedly installed at the top of the vertical rod, the wear-resistant layer is fixedly connected in the vertical rod, the leakageproof layer is arranged inside the wear-resistant layer, the filling support is arranged between the leakageproof layer and the wear-resistant layer, the filling layer is arranged between the leakageproof layer and the wear-resistant layer, the sealing port is fixedly connected to the top of the leakageproof layer, and the handle is fixedly connected above the sealing port.

[0007] Preferably, the packaging bag is set to a multilayer composite structure, provided with a leakageproof layer, a filling layer and a wear-resistant layer, fully considering the functions that the packaging bag may encounter in use, the part of the wear-resistant layer outside the wear-resistant layer that is easy to contact with the ground or other objects is coated with wear-resistant rubber soft strip, small pulleys one and two are arranged at the bottom and front side of the packaging bag, further reducing the wear of the packaging bag when placed on the ground, and a sealing strip is arranged at the top opening, which ensures that the objects in the packaging bag will not overflow through the sealing of the three protrusions and recesses.

[0008] As preferred, the horizontal rod two is fixedly connected between the left and right vertical rods, the vertical rod two is fixedly connected between the front and rear vertical rods, the vertical rods are provided with the bolt at the upper and lower ends, and the vertical rod, the horizontal rod two and the vertical rod two are all elastic rubber soft strips, and the inner side in contact with the packaging bag is provided with a circular chamfer.

[0009] As preferred, the horizontal rod two is fixedly connected between the left and right vertical rods, the vertical rod two is fixedly connected between the front and rear vertical rods, the vertical rods are provided with the bolt at the upper and lower ends, and the vertical rod, the horizontal rod two and the vertical rod two are all elastic rubber soft strips, and the inner side in contact with the packaging bag is provided with a circular chamfer.

[0010] As preferred, the opening frame comprises an assembly block, a horizontal rod three, a vertical rod three, a pulley two, an opening support block and a second insertion hole, the horizontal rod three is fixedly connected between the left and right assembly blocks, the vertical rod three is fixedly connected between the front and rear assembly blocks, the pulley two is rotatably installed on the front side of the front assembly block, the opening support block is rotatably installed on the upper end of the assembly block, and the lower side of the assembly block is provided with the second insertion hole matched with the bolt.

[0011] As preferred, the filling layer comprises a support opening, an axial woven layer and an inclined woven layer, the filling layer is provided with the support opening matched with the filling support, the inner side of the filling layer is provided with the axial woven layer, and the inner side of the filling layer is provided with the inclined woven layer.

[0012] As preferred, the sealing port comprises a sealing strip, a convex strip and a concave hole, the sealing strip is fixedly connected to the top of the leakage-proof layer, the middle of the front sealing strip is provided with the concave hole, the upper and lower sides of the front sealing strip are fixedly connected with the convex strip, the middle of the rear sealing strip is fixedly connected with the convex strip, and the upper and lower sides of the rear sealing strip are provided with the concave hole.

[0013] As preferred, the top of the side rod is provided with a circular arc-shaped protrusion, the bottom of the mounting block is also provided with a circular arc-shaped protrusion, the upper and lower ends of the vertical rod are provided with a circular arc-shaped recess matched with the circular arc-shaped protrusion, the bolt at the upper end of the vertical rod is fixedly connected into the second insertion hole, and the bolt at the lower end of the vertical rod is fixedly connected into the first insertion hole.

[0014] The packaging bag is provided with a multi-layer composite structure, a leakage-proof layer, a filling layer and a wear-resistant layer, the function required in the use process of the packaging bag is fully considered, the wear-resistant rubber soft strip is coated on the part of the wear-resistant layer which is easy to contact the ground or other objects, the small pulley one and the pulley two are arranged at the bottom and the front side of the packaging bag, the abrasion of the packaging bag placed on the ground is further reduced, the sealing strip is arranged at the top opening, and the three convex strips and the concave hole are sealed to ensure that the objects in the packaging bag cannot overflow. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The whole three-dimensional structure of the multi-layer leakage-proof wear-resistant composite packaging bag is shown.

[0016] Figure 2 The whole profile three-dimensional structure schematic diagram of the multi-layer leakage-proof wear-resistant composite packaging bag is shown.

[0017] Figure 3 The opening frame three-dimensional structure schematic diagram of the multi-layer leakage-proof wear-resistant composite packaging bag is shown.

[0018] Figure 4 The filling layer three-dimensional structure schematic diagram of the multi-layer leakage-proof wear-resistant composite packaging bag is shown.

[0019] Figure 5 The sealing opening three-dimensional structure schematic diagram of the multi-layer leakage-proof wear-resistant composite packaging bag is shown.

[0020] Figure 6 The frame three-dimensional structure schematic diagram of the multi-layer leakage-proof wear-resistant composite packaging bag is shown.

[0021] Mark 1, bottom frame; 2, vertical rod; 4, wear-resistant layer; 5, leakage-proof layer; 6, filling support; 9, handle; 10, side rod; 11, horizontal rod one; 12, vertical rod one; 13, pulley one; 14, insertion hole one; 15, horizontal rod two; 16, vertical rod two; 17, bolt; 18, assembling block; 19, horizontal rod three; 20, vertical rod three; 21, pulley two; 22, opening supporting block; 23, insertion hole two; 24, support opening; 25, axial woven layer; 26, oblique woven layer; 27, sealing strip; 28, convex strip; 29, concave hole; DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and examples.

[0023] Please refer to Figures 1-6In this embodiment, the utility model provides a multi-layer leak-proof and wear-resistant composite packaging bag, including a bottom frame 1, a vertical rod 2, an opening frame, a wear-resistant layer 4, a leak-proof layer 5, a filling bracket 6, a filling layer, a sealing port, and a handle 9. The vertical rod 2 is fixedly installed at the four corners of the top of the bottom frame 1, the opening frame is fixedly installed at the top of the vertical rod 2, the wear-resistant layer 4 is fixedly connected to the inside of the vertical rod 2, the leak-proof layer 5 is arranged inside the wear-resistant layer 4, a filling bracket 6 is arranged between the leak-proof layer 5 and the wear-resistant layer 4, the filling layer is arranged between the leak-proof layer 5 and the wear-resistant layer 4, and the sealing port is fixedly connected to the top of the leak-proof layer 5. The handle 9 is fixedly connected above the sealing mouth, and the packaging bag is set into a multi-layer composite structure, which is provided with a leak-proof layer 5, a filling layer and a wear-resistant layer 4. The functional requirements that the packaging bag may encounter during use are fully considered. The part on the outside of the wear-resistant layer 4 that is easy to contact with the ground or other objects is covered with a wear-resistant rubber strip. Small pulleys 13 and 21 are provided at the bottom and front side of the packaging bag to further reduce the wear of the packaging bag when it is placed on the ground. A sealing strip 27 is provided at the top opening, and the sealing of the triple convex strips 28 and the concave holes 29 ensures that the objects in the packaging bag will not overflow.

[0024] See also Figures 2-4 In this embodiment, the opening frame includes an assembly block 18, a third crossbar 19, a third longitudinal bar 20, a second pulley 21, an opening support block 22 and a second socket 23. The third crossbar 19 is fixedly connected between the left and right assembly blocks 18, and the third longitudinal bar 20 is fixedly connected between the front and rear assembly blocks 18. The second pulley 21 is rotatably mounted on the front side of the front assembly block 18. The opening support block 22 is rotatably mounted on the upper end of the assembly block 18. The lower side of the assembly block 18 is provided with a second socket 23 adapted to the latch 17. The opening support block 22 can be expanded outward by 90 degrees, so that the top of the packaging bag forms a funnel shape, which makes it more convenient to place objects in the packaging bag. The filling layer includes a bracket opening 24, an axial braided layer 25 and a diagonal braided layer 26. There is a bracket opening 24 adapted to the filling bracket 6, an axial woven layer 25 is provided on the inner and outer sides of the filling layer, and a diagonal woven layer 26 is provided on the inner side of the filling layer. The axial woven layer 25 and the diagonal woven layer 26 are provided inside the filling layer, so that the strength of the packaging bag is improved and it will not be damaged when loading heavier objects. The sealing mouth includes a sealing strip 27, a convex strip 28 and a concave hole 29. The sealing strip 27 is fixedly connected to the top of the leak-proof layer 5, and a concave hole 29 is provided in the middle of the front sealing strip 27. The upper and lower sides of the front sealing strip 27 are fixedly connected with the convex strip 28, and the middle of the rear sealing strip 27 is fixedly connected with the convex strip 28, and the upper and lower sides of the rear sealing strip 27 are provided with concave holes 29. The three-layer sealing structure prevents solids and liquids in the leak-proof layer 5 from leaking.

[0025] See also Figures 5-6In the embodiment, the horizontal rod one 11 is fixedly connected between the left and right side rods 10, the vertical rod one 12 is fixedly connected between the front and back side rods 10, the pulley one 13 is rotatably installed on the front side and the bottom of the side rod 10, the top of the side rod 10 is provided with the insertion hole one 14 matched with the insertion pin 17, the pulley one 13 reduces the contact area of the bottom frame 1 with the ground, and the packaging bag can be dragged when a heavy object is placed in the packaging bag; the horizontal rod two 15 is fixedly connected between the left and right vertical rods 2, the vertical rod two 16 is fixedly connected between the front and back vertical rods 2, the vertical rods 2 are provided with the insertion pins 17 at the upper and lower ends, the vertical rods 2, the horizontal rod two 15 and the vertical rod two 16 are all elastic rubber soft strips, and the inner sides in contact with the packaging bag are provided with circular chamfers. The insertion pins 17 are used to fix the vertical rods 2 to the bottom frame 1 and the bottom of the opening frame, so that the frame is relatively firm as a whole. The top of the side rod 10 is provided with a circular arc protrusion, the bottom of the mounting block is also provided with a circular arc protrusion, the upper and lower ends of the vertical rod 2 are provided with circular arc recesses matched with the circular arc protrusions, the upper end insertion pin 17 of the vertical rod 2 is fixedly connected in the insertion hole two 23, and the lower end insertion pin 17 of the vertical rod 2 is fixedly connected in the insertion hole one 14. The circular arc protrusions play a certain auxiliary role in the insertion and fixation of the vertical rod 2, so that the vertical rod 2 is more convenient to position and insert.

[0026] In the working process, the handle 9 is opened to the two sides, the elastic protrusions 28 in the sealing strip 27 are separated from the recesses 29, the opening support block 22 is further opened outward by 90 degrees, the top of the leakage prevention layer 5 is funnel-shaped, the material to be placed in the packaging bag is added into the leakage prevention layer 5, after the addition is completed, the opening support block 22 is rotated inward to the original position, the protrusions 28 in the sealing strip 27 are inserted into the recesses 29, and the sealing of the packaging bag is completed. The filling layer provides support and protection for the material in the leakage prevention layer 5 in the transportation process, the outer wear-resistant layer 4, the bottom frame 1 and the vertical rod 2 are all made of wear-resistant rubber material, so that they are not easy to be worn in the transportation process.

[0027] Through the above steps, the packaging bag is provided with the leakage prevention layer 5, the filling layer and the wear-resistant layer 4, the possible functions required in the use process of the packaging bag are fully considered, the wear-resistant rubber soft strips are coated on the parts of the wear-resistant layer 4 which are easy to contact with the ground or other objects, the small pulleys one 13 and two 21 are arranged at the bottom and the front side of the packaging bag, and the wear of the packaging bag placed on the ground is further reduced, the sealing strip 27 is arranged at the top opening, and the three protrusions 28 and the recesses 29 are used for sealing to ensure that the objects in the packaging bag cannot overflow.

[0028] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. Multilayer leakproof wear-resistant composite packaging bag, comprising a bottom frame (1), a vertical rod (2), a wear-resistant layer (4), a leakproof layer (5) and a handle (9); characterized in that: It also includes the opening frame, filling support (6), filling layer and sealing, vertical rod (2) is fixedly installed on the top of the four corners of the bottom frame (1), the opening frame is fixedly installed on the top of the vertical rod (2), the wear-resistant layer (4) is fixedly connected in the vertical rod (2), the leakage prevention layer (5) is arranged inside the wear-resistant layer (4), the filling support (6) is arranged between the leakage prevention layer (5) and the wear-resistant layer (4), the filling layer is arranged between the leakage prevention layer (5) and the wear-resistant layer (4), the sealing is fixedly connected to the top of the leakage prevention layer (5), and the handle (9) is fixedly connected above the sealing.

2. The multi-layer, leak resistant, wear resistant, composite, packaging bag of claim 1, wherein: The horizontal rod one (11) is fixedly connected between the left and right side rods (10), the vertical rod one (12) is fixedly connected between the front and rear side rods (10), the pulley one (13) is rotatably installed on the front side and the bottom of the side rod (10), and the side rod (10) is provided with a plug hole one (14) adapted to the plug (17) on the top.

3. The multi-layer, leak resistant, wear resistant, composite, packaging bag of claim 2, wherein: The horizontal rod two (15) is fixedly connected between the left and right vertical rods (2), the vertical rod two (16) is fixedly connected between the front and rear vertical rods (2), the vertical rod (2) is provided with the plug (17) on the upper and lower ends, the vertical rod (2), the horizontal rod two (15) and the vertical rod two (16) are all elastic rubber soft strips, and the inner sides, which are in contact with the packaging bag, are provided with circular chamfers.

4. The multi-layer, leak resistant, wear resistant, composite, packaging bag of claim 3, wherein: The opening frame includes assembling blocks (18), horizontal rods three (19), vertical rods three (20), pulleys two (21), opening support blocks (22) and plug holes two (23), the horizontal rods three (19) are fixedly connected between the left and right assembling blocks (18), the vertical rods three (20) are fixedly connected between the front and rear assembling blocks (18), the pulleys two (21) are rotatably installed on the front side of the front assembling block (18), the opening support blocks (22) are rotatably installed on the upper ends of the assembling blocks (18), and the assembling blocks (18) are provided with the plug holes two (23) adapted to the plugs (17) on the lower sides.

5. The multi-layer, leak resistant, wear resistant, composite, packaging bag of claim 4, wherein: The filling layer includes support openings (24), axial woven layers (25) and oblique woven layers (26), the filling layer is provided with the support openings (24) adapted to the filling supports (6), the inner side of the filling layer is provided with the axial woven layers (25), and the inner side of the filling layer is provided with the oblique woven layers (26).

6. The multi-layer, leak resistant, wear resistant, composite, packaging bag of claim 5, wherein: The sealing includes sealing strips (27), convex strips (28) and concave holes (29), the sealing strips (27) are fixedly connected to the top of the leakage prevention layer (5), the concave holes (29) are formed in the middle of the front sealing strip (27), the convex strips (28) are fixedly connected to the upper and lower sides of the front sealing strip (27), the convex strips (28) are fixedly connected to the middle of the rear sealing strip (27), and the concave holes (29) are formed in the upper and lower sides of the rear sealing strip (27).

7. The multi-layer, leak resistant, wear resistant, composite, packaging bag of claim 6, wherein: The top of the side rod (10) is provided with a circular arc-shaped protrusion, the bottom of the mounting block is also provided with a circular arc-shaped protrusion, the upper and lower ends of the vertical rod (2) are provided with circular arc-shaped recesses adapted to the circular arc-shaped protrusions, the plug (17) at the upper end of the vertical rod (2) is fixedly connected into the plug hole two (23), and the plug (17) at the lower end of the vertical rod (2) is fixedly connected into the plug hole one (14).

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