Anti-leakage packaging bag for powder materials

Abstract

The utility model discloses an anti-leakage packaging bag for powder materials, which relates to the field of powder material packaging and comprises a bag body, a first lifting rope and a material component, the top of the bag body is fixedly connected with a bag opening, and an expansion component is arranged in the bag body. And the expansion assembly comprises a conveying pipe, a first square block, a movable connecting rod, a second square block, an expansion rod, a limiting rod and a fixed connecting piece, the first lifting rope is connected to the side edge of the bag body in a sewn mode, and a second lifting rope is connected to the upper portion of the bag body in a sewn mode. According to the anti-leakage packaging bag for the powder materials, by arranging the expansion assembly and the material assembly, in the using process of packaging the powder materials through the packaging bag, bottom expansion of the packaging bag is facilitated, packaging of the powder materials is smoother, the working efficiency of workers is improved, and the performance of the packaging bag is greatly improved; and the situation that powder materials leak during packaging and storage is avoided, and workers can conveniently use the packaging bag.

Description

Technical Field

[0001] The utility model relates to the field of powder material packaging, in particular to a leakage-proof packaging bag for powder materials. Background Art

[0002] Powder is a dry block solid composed of many very fine particles. It can flow freely when shaken or tilted. When packaging powder materials, workers usually use packaging bags, which is an important technology in flexible packaging. The packaging bag material has high toughness, tensile strength and wear resistance.

[0003] However, the current packaging bags still have some shortcomings. For example, the powder material packaging bag with application number 202022817923.X has not yet fully considered the anti-leakage structure of the packaging bag. In the process of using the packaging bag to package powder materials, if the anti-leakage structure of the packaging bag is not fully considered, the powder material may leak during packaging and storage, which will seriously affect the performance of the packaging bag and affect the use of the staff to a certain extent.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structure and shortcomings, and provides a leakage-proof packaging bag for powder materials. Utility Model Content

[0005] The utility model aims to provide a leakage-proof packaging bag for powder materials to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leakage-proof packaging bag for powder materials, comprising a bag body, a first carrying rope and a material component, the top of the bag body is fixedly connected with a bag opening, and an expansion component is arranged inside the bag body, and the expansion component includes a conveying pipe, a first square block, a movable connecting rod, a second square block, an expansion rod, a limiting rod and a fixed connecting piece, the first carrying rope is sewn and connected to the side of the bag body, and the upper part of the bag body is sewn and connected with a second carrying rope, the material component is arranged on the surface of the bag body, and the material component includes a corrosion-resistant layer, a waterproof layer, a puncture-resistant layer and a wear-resistant layer.

[0007] Furthermore, the four sides of the bottom end of the conveying pipe are fixedly connected with a first square block, one side of the first square block is rotatably connected with a movable connecting rod, and one end of the movable connecting rod is rotatably connected with a second square block.

[0008] Furthermore, an extension rod is welded to one side of the second square block, and the end of the extension rod is fixedly connected to a protective pad, and the end of the extension rod is in contact with the bag body.

[0009] Furthermore, one end of the extension rod is rotatably connected to the limit rod, and a fixed connector is welded on the top side of the limit rod, and the limit rods are fixedly connected by the fixed connector, and the top of the limit rod is arranged on the outside of the bag opening.

[0010] Furthermore, a movable cover is provided above the bag opening, and the outer wall of the bag opening and the inner wall of the movable cover are both provided with threads, and the movable cover is rotatably connected to the outer side of the top end of the bag opening through the threads, and the top end of the conveying tube passes through the top center of the movable cover.

[0011] Furthermore, a connecting belt is provided on the outer side of the middle section of the first carrying rope, and the first carrying rope is fixedly connected to the second carrying rope through the connecting belt.

[0012] Furthermore, a storage bag is sewn to the inner wall of the bag body, and holes are opened on the surface of the storage bag.

[0013] Furthermore, the outer side of the corrosion-resistant layer is sewn and connected with the waterproof layer, the outer side of the waterproof layer is sewn and connected with the puncture-resistant layer, and the outer side of the puncture-resistant layer is sewn and connected with the wear-resistant layer.

[0014] The utility model provides a leakage-proof packaging bag for powder materials, which has the following beneficial effects:

[0015] 1. The utility model is provided with an expansion component, by arranging the expansion component inside the bag body, extending the expansion component into the inside of the bag body, when the top end of the limit rod reaches the outside of the bag opening, the staff moves the conveying tube downward, so that the movable connecting rods rotatably connected to the four sides of the conveying tube move, and then the expansion rods rotatably connected to the movable connecting rods rotate accordingly, so that the expansion rods expand the bag body. The improved device uses the expansion component to achieve the purpose of expanding the packaging bag. In the process of using the packaging bag to package powder materials, it is convenient to expand the bottom of the packaging bag, so that the powder material can smoothly reach the bottom of the packaging bag when packaging, which makes the powder material packaging smoother, improves the work efficiency of the staff, and facilitates the staff to use the packaging bag.

[0016] 2. The utility model is provided with a material component. By arranging the material component on the surface of the bag body, the waterproof layer is sewn and connected on the outside of the corrosion-resistant layer, the puncture-resistant layer is sewn and connected on the outside of the waterproof layer, and the wear-resistant layer is sewn and connected on the outside of the puncture-resistant layer. The improved device uses the material component to make the packaging bag leak-proof. In the process of using the packaging bag to package powder materials, the packaging bag is puncture-proofed, which greatly improves the performance of the packaging bag, avoids leakage of powder materials during packaging and storage, and is convenient for staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view structural schematic diagram of a leakage-proof packaging bag for powder materials of the utility model;

[0018] Figure 2 This is a front cross-sectional structural schematic diagram of a leakage-proof packaging bag for powder materials of the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the three-dimensional structure of an extended component of a leakage-proof packaging bag for powder materials.

[0020] In the figure: 1. bag body; 2. bag opening; 3. expansion component; 301. conveying tube; 302. first square block; 303. movable connecting rod; 304. second square block; 305. expansion rod; 306. limit rod; 307. fixed connecting piece; 4. movable cover; 5. first carrying rope; 6. second carrying rope; 7. connecting belt; 8. storage bag; 9. hole; 10. material component; 1001. corrosion-resistant layer; 1002. waterproof layer; 1003. puncture-resistant layer; 1004. wear-resistant layer. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] like Figure 1-Figure 3As shown, a leakage-proof packaging bag for powder materials includes a bag body 1, a first carrying rope 5 and a material component 10. The top of the bag body 1 is fixedly connected with a bag opening 2, and an expansion component 3 is arranged inside the bag body 1. The expansion component 3 includes a conveying tube 301, a first square block 302, a movable connecting rod 303, a second square block 304, an expansion rod 305, a limiting rod 306 and a fixed connecting member 307. The four sides of the bottom end of the conveying tube 301 are fixedly connected with the first square block 302, and one side of the first square block 302 is rotated. A movable connecting rod 303 is connected, and one end of the movable connecting rod 303 is rotatably connected to the second square block 304, an extension rod 305 is welded on one side of the second square block 304, and the end of the extension rod 305 is fixedly connected to a protective pad, and the end of the extension rod 305 contacts the bag body 1, one end of the extension rod 305 is rotatably connected to a limiting rod 306, and a fixed connecting piece 307 is welded on the top side of the limiting rod 306, and the limiting rods 306 are fixedly connected by the fixed connecting piece 307, and the limiting rods 306 are fixedly connected. The top of 6 is arranged on the outside of the bag opening 2, which is convenient for expanding the bottom of the packaging bag, so that the powder material can smoothly reach the bottom of the packaging bag when packaging, making the powder material packaging smoother. A movable cover 4 is arranged above the bag opening 2, and the outer wall of the bag opening 2 and the inner wall of the movable cover 4 are both provided with threads, and the movable cover 4 is rotatably connected to the top outside of the bag opening 2 through the threads, and the top of the conveying pipe 301 passes through the top center of the movable cover 4 to seal the bag opening 2 to avoid large gaps that cause the powder material to fly. The rope 5 is sewn and connected to the side of the bag body 1, and a second carrying rope 6 is sewn and connected to the top of the bag body 1, a connecting belt 7 is provided on the outside of the middle section of the first carrying rope 5, and the first carrying rope 5 is fixedly connected to the second carrying rope 6 through the connecting belt 7, so that the connection between the structures is tighter and the overall structure is more stable and reliable. A storage bag 8 is sewn and connected to the inner wall of the bag body 1, and a hole 9 is opened on the surface of the storage bag 8, which is convenient for the staff to place desiccant and the like in the storage bag 8 to ensure the drying of the powder material and facilitate the staff to use the packaging bag.

[0023] like Figure 1 As shown, the material component 10 is arranged on the surface of the bag body 1, and the material component 10 includes a corrosion-resistant layer 1001, a waterproof layer 1002, a puncture-resistant layer 1003 and a wear-resistant layer 1004, the outer side of the corrosion-resistant layer 1001 is sewn and connected with the waterproof layer 1002, and the outer side of the waterproof layer 1002 is sewn and connected with the puncture-resistant layer 1003, and the outer side of the puncture-resistant layer 1003 is sewn and connected with the wear-resistant layer 1004, which greatly improves the performance of the packaging bag, avoids leakage of powder materials during packaging and storage, and is convenient for staff to use.

[0024] In summary, the anti-leakage powder material packaging bag, according to Figure 1-Figure 3The structure shown in , in the process of using the packaging bag to package the powder material, firstly, the expansion component 3 is set inside the bag body 1, and the expansion component 3 is extended into the bag body 1. When the top end of the limit rod 306 reaches the outside of the bag opening 2, the staff moves the conveying tube 301 downward, so that the movable connecting rod 303 rotatably connected to the four sides of the conveying tube 301 moves, and then the expansion rod 305 rotatably connected to the movable connecting rod 303 rotates accordingly, so that the expansion rod 305 expands the bag body 1. In addition, a material component 10 is set on the surface of the bag body 1, and the waterproof layer 1002 is sewn and connected to the outside of the corrosion-resistant layer 1001, and the puncture-resistant layer 1003 is sewn and connected to the outside of the waterproof layer 1002, and the wear-resistant layer 1004 is sewn and connected to the outside of the puncture-resistant layer 1003, which greatly improves the performance of the packaging bag and is convenient for the staff to use the packaging bag.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A leakage-proof packaging bag for powder materials, comprising a bag body (1), a first carrying rope (5) and a material component (10), characterized in that: The bag body (1) is fixedly connected to the top with a bag opening (2), and an expansion component (3) is arranged inside the bag body (1), and the expansion component (3) comprises a conveying tube (301), a first square block (302), a movable connecting rod (303), a second square block (304), an expansion rod (305), a limiting rod (306) and a fixed connecting piece (307), the first carrying rope (5) is sewn and connected to the side of the bag body (1), and the upper part of the bag body (1) is sewn and connected to the second carrying rope (6), and the material component (10) is arranged on the surface of the bag body (1), and the material component (10) comprises a corrosion-resistant layer (1001), a waterproof layer (1002), a puncture-resistant layer (1003) and a wear-resistant layer (1004).

2. The anti-leakage packaging bag for powder materials according to claim 1, characterized in that: The four sides of the bottom end of the delivery pipe (301) are fixedly connected to a first square block (302), one side of the first square block (302) is rotatably connected to a movable connecting rod (303), and one end of the movable connecting rod (303) is rotatably connected to a second square block (304).

3. The anti-leakage packaging bag for powder materials according to claim 1, characterized in that: An extension rod (305) is welded to one side of the second square block (304), and a protective pad is fixedly connected to the end of the extension rod (305), and the end of the extension rod (305) is in contact with the bag body (1).

4. The anti-leakage packaging bag for powder materials according to claim 1, characterized in that: One end of the extension rod (305) is rotatably connected to the limiting rod (306), and a fixing connector (307) is welded on the top side of the limiting rod (306), and the limiting rods (306) are fixedly connected by the fixing connector (307), and the top end of the limiting rod (306) is arranged on the outside of the bag opening (2).

5. The anti-leakage packaging bag for powder materials according to claim 1, characterized in that: A movable cover (4) is arranged above the bag opening (2), and the outer wall of the bag opening (2) and the inner wall of the movable cover (4) are both provided with threads, and the movable cover (4) is rotatably connected to the outer side of the top end of the bag opening (2) through the threads, and the top end of the conveying tube (301) passes through the top center of the movable cover (4).

6. The anti-leakage packaging bag for powder materials according to claim 1, characterized in that: A connecting belt (7) is provided on the outer side of the middle section of the first lifting rope (5), and the first lifting rope (5) is fixedly connected to the second lifting rope (6) via the connecting belt (7).

7. The anti-leakage packaging bag for powder materials according to claim 1, characterized in that: The inner side wall of the bag body (1) is sewn to a storage bag (8), and a hole (9) is provided on the surface of the storage bag (8).

8. The anti-leakage packaging bag for powder materials according to claim 1, characterized in that: The outer side of the corrosion-resistant layer (1001) is sewn and connected to a waterproof layer (1002), the outer side of the waterproof layer (1002) is sewn and connected to a puncture-resistant layer (1003), and the outer side of the puncture-resistant layer (1003) is sewn and connected to a wear-resistant layer (1004).

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