Valve bag with damp-proof function

Abstract

The utility model discloses a valve bag with a moistureproof function, which relates to the technical field of valve bags and comprises a moistureproof sealing component, the moistureproof sealing component comprises a protective layer, the protective layer is mounted in a bag body, a moistureproof layer is mounted in the protective layer, an anti-oxidation layer is mounted in the moistureproof layer, a folding opening is mounted on the bag body, and a supporting strip is mounted on the bag body. The folding opening is formed in the supporting strip, a supporting plate is installed on the folding opening, a sealing plate is installed on the supporting plate, a sealing strip is installed on the sealing plate, a groove is formed in the sealing strip, the carrying assembly comprises a connecting plate, the connecting plate is installed on the bag body, a connecting block is installed on the connecting plate, and a pull rope is installed on the connecting block. According to the moisture-proof packaging bag, due to the fact that the moisture-proof sealing assembly and the carrying assembly are arranged, moisture can be prevented, the bag body can be sealed, the bag body can be recycled, carrying can be convenient, and carrying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve bags, in particular to a valve bag with a moisture-proof function. Background Technique

[0002] A valve bag is an internationally popular packaging bag that feeds from the top or bottom valve opening. It uses a special filling equipment. After filling the material, it forms a cube shape. It has the characteristics of neat stacking, beauty, improving packaging efficiency, convenient transportation, etc., and belongs to an environmentally friendly bag. The materials of valve bags mainly include PP (polypropylene) and PE (polyethylene), etc. It is widely used in the packaging of various products such as chemical fertilizers, polyethylene resins, epoxy resins, starch, particle powder, carbon black, etc., and has gradually become an industry packaging habit. In addition, valve bags are also called bottom-sealed bags, and their classifications include pp valve bags, PE valve bags, etc.

[0003] In the existing valve bags, the general moisture-proof function is poor. When sealing, the ultrasonic heat-sealing method is usually used, resulting in the inability to reuse the valve bags and only recycling is possible. Moreover, the bag body of the valve bag is smooth and not easy to grasp, which affects the handling efficiency. Therefore, a valve bag that can be reused, is easy to handle, and has a moisture-proof function is needed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a valve bag with a moisture-proof function to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A valve bag with a moisture-proof function, including a bag body;

[0006] A moisture-proof sealing component, the moisture-proof sealing component includes a protective layer, the protective layer is installed inside the bag body, a moisture-proof layer is installed inside the protective layer, an antioxidant layer is installed inside the moisture-proof layer, a folding opening is installed on the bag body, a support bar is installed on the bag body, the folding opening is installed on the support bar, a support plate is installed on the folding opening, a sealing plate is installed on the support plate, a sealing strip is installed on the sealing plate, a groove is opened in the sealing strip, a fixing block is installed in the groove, and a sliding rod is installed on the fixing block;

[0007] A handling component, the handling component includes a connecting plate, the connecting plate is installed on the bag body, a connecting block is installed on the connecting plate, a pulling rope is installed on the connecting block, the other end of the pulling rope is installed with a first pull rod, a handle is installed on the first pull rod, and a second pull rod is installed inside the handle.

[0008] Preferably, a trapezoidal folding part is installed at the bottom of the bag body, and a crease is opened on the folding opening.

[0009] Preferably, a sealing box is installed on the sealing plate, the sealing strip is installed in the sealing box, and a moving block is installed on the sliding rod.

[0010] Preferably, a sealing spring is installed on the sealing box, the other end of the sealing spring is installed on the moving block, a connecting rope is installed on the moving block, and the other end of the connecting rope is installed on the sealing plate.

[0011] Preferably, fixing grooves are formed in both the handle and the second pull rod, and fixing rods are installed in the fixing grooves.

[0012] Preferably, a pulling block is installed on the fixing rod, a fixing spring is installed on the pulling block, and the other end of the fixing spring is installed on the handle.

[0013] The beneficial effects of the present utility model are as follows:

[0014] In the present utility model, through the setting of the moisture-proof sealing component, the function of the moisture-proof layer is to prevent water and moisture from seeping in and causing damage to the materials. Pull the moving block, the movement of the moving block drives the movement of the fixing block, then insert the sealing strip into the sealing box, and release the moving block, and the fixing block can fix the sealing strip. The two sealing strips are fixed to seal the bag body. In this way, it has a moisture-proof function, can seal the bag body, and the bag body can be recycled.

[0015] In the present utility model, through the setting of the handling component, pull the pulling block, then insert the second pull rod into the handle, and release the pulling block to fix the second pull rod. Hold the handle by hand to lift the bag body and carry it to the designated position. Pull the pulling block to remove the second pull rod from the handle, and the handling component can be folded without occupying space. In this way, it is convenient to handle and improves the handling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of a valve bag with a moisture-proof function proposed by the present utility model;

[0017] Figure 2 is another three-dimensional structural schematic diagram of a valve bag with a moisture-proof function proposed by the present utility model;

[0018] Figure 3 is a cross-sectional structural schematic diagram of a valve bag with a moisture-proof function proposed by the present utility model;

[0019] Figure 4 is a partial structural schematic diagram of part A of a valve bag with a moisture-proof function proposed by the present utility model.

[0020] In the figure: 1. Bag body; 21. Protective layer; 22. Moisture-proof layer; 23. Anti-oxidation layer; 24. Folding opening; 25. Support bar; 26. Support plate; 27. Sealing plate; 28. Sealing strip; 29. Fixed block; 210. Slide bar; 211. Trapezoidal folding piece; 212. Crease; 213. Sealing box; 214. Moving block; 215. Sealing spring; 216. Connecting rope; 31. Connecting plate; 32. Connecting block; 33. Pulling rope; 34. First pull rod; 35. Handle; 36. Second pull rod; 37. Fixed rod; 38. Pulling block; 39. Fixed spring. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Embodiment

[0022] As Figures 1-4 shown, this embodiment provides a valve bag with moisture-proof function, including a bag body 1;

[0023] A moisture-proof sealing component. Through the setting of the moisture-proof sealing component, moisture can be prevented, the bag body 1 can be sealed, and the bag body 1 can be recycled. The moisture-proof sealing component includes a protective layer 21 installed inside the bag body 1, a moisture-proof layer 22 installed inside the protective layer 21, and an anti-oxidation layer 23 installed inside the moisture-proof layer 22. A folding opening 24 is installed on the bag body 1, a support bar 25 is installed on the bag body 1, the folding opening 24 is installed on the support bar 25, a support plate 26 is installed on the folding opening 24, a sealing plate 27 is installed on the support plate 26, a sealing strip 28 is installed on the sealing plate 27, a groove is opened inside the sealing strip 28, a fixed block 29 is installed inside the groove, a slide bar 210 is installed on the fixed block 29. The function of the moisture-proof layer 22 is to prevent water and moisture from seeping in and damaging the materials. Pull the moving block 214, the movement of the moving block 214 drives the movement of the fixed block 29, then insert the sealing strip 28 into the sealing box 213, and release the moving block 214. The fixed block 29 can fix the sealing strip 28. When the two sealing strips 28 are fixed, the bag body 1 can be sealed. In this way, it has the moisture-proof function, can seal the bag body 1, and can recycle the bag body 1.

[0024] Furthermore, referring to Figure 2 , a trapezoidal folding piece 211 is installed at the bottom of the bag body 1, and a crease 212 is opened on the folding opening 24. The setting of the trapezoidal folding piece 211 can facilitate the folding of the bag body 1, and the setting of the crease 212 can facilitate the folding of the folding opening 24.

[0025] Furthermore, referring to Figure 4, a sealing box 213 is installed on the sealing plate 27, a sealing strip 28 is installed inside the sealing box 213, a moving block 214 is installed on the sliding rod 210. The sealing box 213 can support the fixed block 29 and the sliding rod 210, and the moving block 214 can make it easier to move the sliding rod 210.

[0026] Furthermore, referring to Figure 4 , a sealing spring 215 is installed on the sealing box 213, the other end of the sealing spring 215 is installed on the moving block 214, a connecting rope 216 is installed on the moving block 214, and the other end of the connecting rope 216 is installed on the sealing plate 27. The sealing spring 215 can fix the fixed block 29 inside the sealing strip 28, and the connecting rope 216 can connect the sealing box 213 to the sealing plate 27 to prevent the sealing box 213 from being lost when not in use. Embodiment

[0027] As Figures 1-2 shown, on the basis of Embodiment 1, through the setting of the handling component, it is convenient to handle and improve the handling efficiency.

[0028] The handling component includes a connecting plate 31, the connecting plate 31 is installed on the bag body 1, a connecting block 32 is installed on the connecting plate 31, a pulling rope 33 is installed on the connecting block 32, the other end of the pulling rope 33 is installed with a first pull rod 34, a handle 35 is installed on the first pull rod 34, a second pull rod 36 is installed inside the handle 35. Pull the pulling block 38, then insert the second pull rod 36 into the handle 35, and release the pulling block 38 to fix the second pull rod 36. Hold the handle 35 with hand to lift the bag body 1 to the designated position. Pull the pulling block 38 to move the second pull rod 36 out of the handle 35, and the handling component can be folded without occupying space, so that it is convenient to handle and improve the handling efficiency.

[0029] Furthermore, referring to Figure 1 , fixing grooves are respectively opened inside the handle 35 and the second pull rod 36, a fixing rod 37 is installed inside the fixing groove, and the fixing rod 37 can fix the second pull rod 36 inside the handle 35.

[0030] Furthermore, referring to Figure 1 , a pulling block 38 is installed on the fixing rod 37, a fixing spring 39 is installed on the pulling block 38, and the other end of the fixing spring 39 is installed on the handle 35. The pulling block 38 can make it easier to move the fixing rod 37, and the fixing spring 39 can fix the fixing rod 37 inside the second pull rod 36.

[0031] Working principle of the utility model: During use, the protective layer 21 can prevent the bag body 1 from being punctured by sharp objects and prevent the materials inside the bag body 1 from flowing out. The moisture-proof layer 22 is used to prevent water and moisture from infiltrating and damaging the materials. The antioxidant layer 23 is used to prevent the materials from being oxidized and losing their effectiveness. Pull the moving block 214, the movement of the moving block 214 drives the movement of the sliding rod 210, the movement of the sliding rod 210 drives the movement of the fixed block 29, then insert the sealing strip 28 into the sealing box 213, and release the moving block 214, the fixed block 29 can fix the sealing strip 28. The fixation of the two sealing strips 28 can seal the bag body 1. In this way, it has the moisture-proof function, can seal the bag body 1, and the bag body 1 can be recycled. Pull the pulling block 38, the movement of the pulling block 38 drives the movement of the fixed rod 37, the fixed rod 37 moves out of the handle 35, then insert the second pull rod 36 into the handle 35, and release the pulling block 38 to fix the second pull rod 36 in the handle 35. Hold the handle 35 with your hand to lift the bag body 1 and carry it to the designated position. Pull the pulling block 38 to move the second pull rod 36 out of the handle 35, and the handling component can be folded without occupying space. In this way, it is convenient to carry and improves the handling efficiency.

[0032] The above are only the preferred specific embodiments of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution of the utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the utility model.

Claims

1. A valve bag with moisture-proof function, characterized in that: Comprising: A bag body (1); A moisture-proof sealing component, the moisture-proof sealing component includes a protective layer (21), the protective layer (21) is installed inside the bag body (1), a moisture-proof layer (22) is installed inside the protective layer (21), an antioxidant layer (23) is installed inside the moisture-proof layer (22), a folding opening (24) is installed on the bag body (1), a support bar (25) is installed on the bag body (1), the folding opening (24) is installed on the support bar (25), a support plate (26) is installed on the folding opening (24), a sealing plate (27) is installed on the support plate (26), a sealing strip (28) is installed on the sealing plate (27), a groove is formed inside the sealing strip (28), a fixing block (29) is installed inside the groove, and a sliding rod (210) is installed on the fixing block (29); A handling component, the handling component includes a connecting plate (31), the connecting plate (31) is installed on the bag body (1), a connecting block (32) is installed on the connecting plate (31), a pulling rope (33) is installed on the connecting block (32), the other end of the pulling rope (33) is installed with a first pull rod (34), a handle (35) is installed on the first pull rod (34), and a second pull rod (36) is installed inside the handle (35).

2. The valve bag with moisture-proof function according to claim 1, characterized in that: A trapezoidal folding piece (211) is installed at the bottom of the bag body (1), and a crease (212) is formed on the folding opening (24).

3. The valve bag with moisture-proof function according to claim 1, characterized in that: A sealing box (213) is installed on the sealing plate (27), the sealing strip (28) is installed inside the sealing box (213), and a moving block (214) is installed on the sliding rod (210).

4. The valve bag with moisture-proof function according to claim 3, characterized in that: A sealing spring (215) is installed on the sealing box (213), the other end of the sealing spring (215) is installed on the moving block (214), a connecting rope (216) is installed on the moving block (214), and the other end of the connecting rope (216) is installed on the sealing plate (27).

5. A valve bag with moisture-proof function according to claim 1, characterized in that: Fixing grooves are formed inside both the handle (35) and the second pull rod (36), and a fixing rod (37) is installed inside the fixing grooves.

6. A valve bag with moisture-proof function according to claim 5, characterized in that: A pulling block (38) is installed on the fixing rod (37), a fixing spring (39) is installed on the pulling block (38), and the other end of the fixing spring (39) is installed on the handle (35).

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