High-air-permeability double-inner-valve valve bag

Abstract

The utility model discloses a high air permeability double inner valve pocket relates to valve pocket technical field, including bag body and connect the feed inlet of bag body top, the bottom of bag body is fixedly equipped with the moistureproof box, the interior of moistureproof box is provided with the installation cavity, the bottom of installation cavity inner wall is fixedly equipped with the heating plate, the heating plate is fixed in the installation cavity. Baffles are arranged on the two sides of the top of the heating plate in parallel, and a plurality of breathable plates are fixedly connected between the two baffles. The drying agent placed between the breathable plates can be recycled by arranging the heating plate, the silica gel drying agent capable of absorbing water and changing color is arranged in the dehumidification box to absorb water vapor generated in the mounting cavity when the heating plate is started, and a worker can observe the color change degree of the silica gel drying agent after the heating plate is started for multiple times, so that the moisture in the mounting cavity can be removed. The silica gel desiccant is replaced, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve bags, in particular to a high-air-permeability double-inner-valve bag. Background Technique

[0002] The valve bag is one of the most popular packaging bags in recent years. It is fed from the top or bottom valve opening and filled with a special valve filling device. After the material is filled, it becomes a cube shape, neatly stacked, beautiful, regular in shape, and saves storage space. It is mainly used for packaging powdery or granular solid materials such as edible powder, chemical powder, grain, building materials, and flexible items. Most valve bags are made of degradable paper materials and are environmentally friendly products. They can be classified according to materials into: PP valve bags, PE valve bags, paper-plastic composite valve bags, kraft paper valve bags, and multi-layer kraft paper valve bags.

[0003] The existing Chinese patent (publication number CN215708398U) discloses a high-air-permeability environmental protection square-bottom valve bag. By disengaging the fixed threaded rod from the inside of the threaded groove to release the fixation of the moisture-proof board, then pulling the moisture-proof board out of the inside of the moisture-proof base, and then replacing the moisture-proof material inside the moisture-proof board, and then inserting the moisture-proof board into the inside of the moisture-proof base, and then rotating the fixed threaded rod to insert it into the inside of the threaded groove, the purpose of fixing the moisture-proof board is completed, thus achieving the purpose of quickly replacing the moisture-proof layer.

[0004] However, the above-designed high-air-permeability environmental protection square-bottom valve bag still has some disadvantages in actual use: when using this high-air-permeability environmental protection square-bottom valve bag, there are multiple equally spaced moisture-proof grooves on the moisture-proof board. When the moisture-proof material in the moisture-proof grooves needs to be replaced, it is necessary to take out the moisture-proof material from each moisture-proof groove one by one and then put the new moisture-proof material into each one one by one. This operation process is too cumbersome and affects the operation efficiency of the staff. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-air-permeability double-inner-valve bag to solve the problems raised in the above background technique.

[0006] To solve the above technical problems, the utility model provides a bag body and a feed inlet connected to the top of the bag body. A moisture-proof box is fixedly installed at the bottom of the bag body. An installation cavity is opened inside the moisture-proof box. A heating plate is fixedly installed at the bottom of the inner wall of the installation cavity. Two baffles are arranged in parallel on both sides of the top of the heating plate. A breathable plate is fixedly connected between the two baffles. The number of the breathable plates is multiple. The multiple breathable plates are fixedly installed at equal intervals in a linear array along the length direction of the heating plate on the top of the heating plate. Breathable holes are opened on both sides of the moisture-proof box, and the breathable holes are opposite to the heating plate. A desiccant is placed on the top of the heating plate. One side of the heating plate is fixedly connected to a storage battery, and a control button is fixedly installed on one side of the storage battery.

[0007] Further, a guide plate is fixedly installed at the top of the air-permeable plate. A dehumidification box is slidably connected to one side of the guide plate. A desiccant is placed inside the dehumidification box. A plurality of through holes are formed in one side of the dehumidification box close to the guide plate.

[0008] Further, a breathable layer is fixedly connected to the outer surface of the bag body.

[0009] Further, an installation groove is formed in one side of the moisture-proof box. The dehumidification box is slidably arranged in the installation groove. A sliding groove is formed at one end of the dehumidification box. A sliding block is slidably connected in the sliding groove. A clamping block is fixedly installed on one side of the sliding block. A clamping groove is arranged on one side of the installation groove close to the clamping block. The clamping block is clamped with the clamping groove.

[0010] Further, the number of the sliding blocks is two. A telescopic spring is fixedly connected to one side of the sliding block away from the clamping block. The two sliding blocks are fixedly connected through the telescopic spring.

[0011] Further, an iron block is fixedly connected to one side of the clamping block away from the sliding block. A magnet is fixedly installed in the clamping groove. The iron block and the magnet are magnetically attracted to each other.

[0012] Further, a perspective window is formed in one side of the moisture-proof box close to the dehumidification box. The perspective window faces the dehumidification box.

[0013] Further, a circular groove is formed in one side of the air-permeable hole. The control button is arranged in the circular groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging a heating plate, the desiccant placed between the air-permeable plates can be recycled. By arranging a silica gel desiccant capable of absorbing water and changing color in the dehumidification box, the water vapor generated in the installation cavity when the heating plate is started is absorbed. After the heating plate is started multiple times, the staff can replace the silica gel desiccant by observing the color change degree of the silica gel desiccant, thereby improving the operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic three-dimensional structure diagram of the exterior of the utility model;

[0016] Figure 2 is a schematic three-dimensional sectional structure diagram of the side view of the utility model;

[0017] Figure 3 is a schematic three-dimensional structure diagram of the interior of the moisture-proof box of the utility model;

[0018] Figure 4 is a schematic three-dimensional structure diagram of the dehumidification box of the utility model;

[0019] Figure 5 The enlarged view of part A in the present utility model Figure 4 ;

[0020] Figure 6 The external three-dimensional structure schematic diagram of the moisture-proof box of the present utility model.

[0021] In the figure: 1. Bag body; 2. Feeding port; 3. Moisture-proof box; 4. Perspective window; 5. Slide groove; 6. Installation groove; 7. Vent hole; 8. Circular groove; 9. Ventilation layer; 10. Installation cavity; 11. Heating plate; 12. Storage battery; 13. Control button; 14. Ventilation plate; 15. Guide plate; 16. Dehumidification box; 17. Slide block; 18. Telescopic spring; 19. Clamping block; 20. Iron block; 21. Magnet. Specific embodiments

[0022] 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 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 shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-6 , the present utility model provides a technical solution: including a bag body 1 and a feeding port 2 connected to the top of the bag body 1. A moisture-proof box 3 is fixedly installed at the bottom of the bag body 1. An installation cavity 10 is opened inside the moisture-proof box 3. A heating plate 11 is fixedly installed at the bottom of the inner wall of the installation cavity 10. Baffles are arranged in parallel on both sides of the top of the heating plate 11. A ventilation plate 14 is fixedly connected between the two baffles. The number of ventilation plates 14 is set to be multiple. The multiple ventilation plates 14 are fixedly installed on the top of the heating plate 11 at equal intervals in a linear array along the length direction of the heating plate 11. Vent holes 7 are opened on both sides of the moisture-proof box 3, and the vent holes 7 are opposite to the heating plate 11. A desiccant is placed on the top of the heating plate 11. A storage battery 12 is fixedly connected to one side of the heating plate 11, and a control button 13 is fixedly installed on one side of the storage battery 12.

[0024] During specific implementation, the bag body 1 is moisture-proofed by the desiccant placed between the multiple ventilation plates 14. The desiccant is one of silica gel desiccant, activated carbon desiccant, and bamboo charcoal bag. The desiccant is placed in the multiple spaced ventilation plates 14, which can avoid the desiccant accumulating in one place and affecting the moisture-proof effect. The desiccant can absorb the moisture around the bottom of the bag body 1 when the bag body 1 is placed on the ground through the vent holes 7, achieving the purpose of moisture-proofing the bag body 1. The staff can start the heating plate 11 by turning on the control button 13 to heat the desiccant placed on the heating plate 11, so that the desiccant can be recycled, avoiding the staff replacing the desiccant between the multiple ventilation plates 14 one by one.

[0025] Refer to Figure 3 and Figure 4 , a guide plate 15 is fixedly installed on the top of the ventilation plate 14. A dehumidification box 16 is slidably connected to one side of the guide plate 15. Silica gel desiccant is placed inside the dehumidification box 16. A plurality of through holes are formed on the side of the dehumidification box 16 close to the guide plate 15.

[0026] By setting the dehumidification box 16, during heating, the water vapor generated by the desiccant flows along the guide plate 15 to the dehumidification box 16. The material of the dehumidification box 16 is set as transparent acrylic material. A silica gel desiccant that can absorb water and change color is placed inside the dehumidification box 16. The silica gel desiccant can absorb the water vapor generated during the heating of the heating plate 11 multiple times and change color as the water vapor is absorbed.

[0027] Refer to Figure 2 , a ventilation layer 9 is fixedly connected to the outer surface of the bag body 1.

[0028] By providing a ventilation layer 9 on the outer surface of the bag body 1, the bag body 1 has high air permeability through the setting of the ventilation layer 9.

[0029] Refer to Figure 1 and Figure 5 , an installation groove 6 is formed on one side of the moisture-proof box 3. The dehumidification box 16 is slidably arranged in the installation groove 6. A sliding groove 5 is formed at one end of the dehumidification box 16. A slider 17 is slidably connected in the sliding groove 5. A clamping block 19 is fixedly installed on one side of the slider 17. A clamping groove is arranged on the side of the installation groove 6 close to the clamping block 19. The clamping block 19 is clamped with the clamping groove.

[0030] By setting the clamping of the clamping block 19 with the clamping groove, the dehumidification box 16 is fixed in the moisture-proof box 3, which is convenient for the staff to remove the clamping block 19 from the clamping groove and take out the dehumidification box 16 from the installation groove 6 to replace the silica gel desiccant therein after the silica gel desiccant is completely discolored.

[0031] Refer to Figure 5 , the number of the sliders 17 is set to two. A telescopic spring 18 is fixedly connected to the side of the slider 17 away from the clamping block 19. The two sliders 17 are fixedly connected through the telescopic spring 18.

[0032] By setting the telescopic spring 18, the staff can squeeze the two sliders 17, squeeze the telescopic spring 18, so that the iron block 20 is separated from the magnet 21, the clamping block 19 is disengaged from the clamping groove, and the dehumidification box 16 is taken out from the installation groove 6 to replace the silica gel desiccant therein.

[0033] Refer to Figure 5 and Figure 6 , an iron block 20 is fixedly connected to the side of the clamping block 19 away from the slider 17. A magnet 21 is fixedly installed in the clamping groove. The iron block 20 and the magnet 21 are magnetically attracted to each other.

[0034] By setting the iron block 20 and the magnet 21 to attract each other magnetically, the stability of the dehumidification box 16 fixed in the moisture-proof box 3 is improved.

[0035] Refer to Figure 1 , a perspective window 4 is provided on one side of the moisture-proof box 3 close to the dehumidification box 16, and the perspective window 4 faces the dehumidification box 16.

[0036] By providing the perspective window 4, the staff can observe the discoloration degree of the silica gel desiccant in the dehumidification box 16 from the perspective window 4. The silica gel desiccant can absorb the water vapor generated during the heating of the heating plate 11 multiple times when the heating plate 11 is started. The staff can replace the silica gel desiccant when it is completely discolored.

[0037] Refer to Figure 1 and Figure 3 , a circular groove 8 is provided on one side of the ventilation hole 7, and the control button 13 is arranged in the circular groove 8.

[0038] By arranging the control button 13 in the circular groove 8, it is convenient for the staff to start the heating plate 11 through the control button 13 and has the effect of preventing accidental touch.

[0039] Working principle: When the device is placed, by setting the breathable layer 9, the bag body 1 has high breathability. The desiccant placed between multiple breathable plates 14 is used to protect the bag body 1 from moisture. The desiccant is placed in multiple spaced breathable plates 14, which can prevent the desiccant from accumulating in one place and affecting the moisture-proof effect. The desiccant can absorb the moisture around the bottom of the bag body 1 when the bag body 1 is placed on the ground through the ventilation holes 7, achieving the purpose of protecting the bag body 1 from moisture. The staff can start the heating plate 11 by turning on the control button 13 to heat the desiccant placed on the heating plate 11, so that the desiccant can be recycled, avoiding the staff from replacing the desiccant between multiple breathable plates 14 one by one;

[0040] During heating, the water vapor generated by the desiccant flows along the guide plate 15 to the dehumidification box 16. The material of the dehumidification box 16 is set as transparent acrylic material. A silica gel desiccant that can absorb water and change color is placed in the dehumidification box 16. The silica gel desiccant can absorb the water vapor generated during the heating of the heating plate 11 multiple times and change color as the water vapor is absorbed. After the heating plate 11 heats the desiccant placed on its top multiple times, the silica gel desiccant in the dehumidification box 16 is completely discolored. The staff can separate the iron block 20 from the magnet 21 by squeezing the two sliders 17, and the clamping block 19 is disengaged from the clamping groove, then take out the dehumidification box 16 from the installation groove 6 and replace the silica gel desiccant therein.

Claims

1. A highly air permeable double inner valve bag, comprising a bag body (1) and a feed port (2) connected to the top of the bag body (1), characterized in that: A moisture-proof box (3) is fixedly installed at the bottom of the bag body (1), an installation cavity (10) is provided inside the moisture-proof box (3), a heating plate (11) is fixedly installed at the bottom of the inner wall of the installation cavity (10), baffles are arranged in parallel on both sides of the top of the heating plate (11), a breathable plate (14) is fixedly connected between two baffles, a plurality of breathable plates (14) are provided, and the plurality of breathable plates (14) are fixedly installed on the top of the heating plate (11) at equal intervals in a linear array along the length direction of the heating plate (11), breathable holes (7) are provided on both sides of the moisture-proof box (3), and the breathable holes (7) are opposite to the heating plate (11), a desiccant is placed on the top of the heating plate (11), a storage battery (12) is fixedly connected to one side of the heating plate (11), and a control button (13) is fixedly installed on one side of the storage battery (12).

2. A highly breathable double inner valve bag as claimed in claim 1, characterized in that: A guide plate (15) is fixedly mounted on the top of the air permeable plate (14); a dehumidification box (16) is slidably connected to one side of the guide plate (15); a desiccant is placed inside the dehumidification box (16); and a plurality of through holes are provided on one side of the dehumidification box (16) close to the guide plate (15).

3. A highly breathable double inner valve bag as claimed in claim 1, characterized in that: A breathable layer (9) is fixedly connected to the outer surface of the bag body (1).

4. A highly breathable double inner valve bag as claimed in claim 2, characterized in that: A mounting groove (6) is provided on one side of the moisture-proof box (3), and the dehumidification box (16) is slidably arranged in the mounting groove (6). A sliding groove (5) is provided on one end of the dehumidification box (16), and a sliding block (17) is slidably connected in the sliding groove (5). A clamping block (19) is fixedly installed on one side of the sliding block (17). A clamping groove is provided on one side of the mounting groove (6) close to the clamping block (19), and the clamping block (19) is clamped with the clamping groove.

5. A highly breathable double inner valve bag as claimed in claim 4, characterized in that: The number of the sliders (17) is two, and a telescopic spring (18) is fixedly connected to one side of the slider (17) away from the clamping block (19), and the two sliders (17) are fixedly connected via the telescopic spring (18).

6. A highly breathable double inner valve bag as claimed in claim 4, characterized in that: An iron block (20) is fixedly connected to the side of the clamping block (19) away from the slider (17), a magnet (21) is fixedly installed in the clamping groove, and the iron block (20) and the magnet (21) are magnetically attracted to each other.

7. A highly breathable double inner valve bag as claimed in claim 2, characterized in that: A perspective window (4) is provided on one side of the moisture-proof box (3) close to the dehumidification box (16), and the perspective window (4) is opposite to the dehumidification box (16).

8. The highly breathable double inner valve bag according to claim 1, characterized in that: A circular groove (8) is provided on one side of the air vent (7), and the control button (13) is arranged in the circular groove (8).

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