Filter bag structure for field survival water quality filtration treatment

Abstract

The utility model relates to the technical field of field survival water purification, in particular to a field survival water quality filtering treatment filter bag structure which comprises a waterproof filter bag, the inner diameter of the top end of the waterproof filter bag is larger than that of the bottom end of the waterproof filter bag, and the waterproof filter bag is sequentially provided with a first filtering mechanism, a second filtering mechanism and a third filtering mechanism from top to bottom. An upper external thread ring is fixedly arranged at the top end of the waterproof filter bag, a storage sleeve is arranged above the top end of the waterproof filter bag, and a water outlet nozzle is fixedly arranged at the bottom end of the waterproof filter bag; firstly, field water is put into the waterproof filter bag, the field water is filtered through the PP filter cotton layer, the silver-loaded granular activated carbon layer and the ion exchange resin layer in sequence, the field water is comprehensively purified, then the upper external thread ring is in threaded connection with the storage sleeve after the field water is used, and then the waterproof filter bag is pressed into the storage sleeve. The first connecting ring and the second connecting ring are fixed through a rope, so that the waterproof filter bag can be stored, and the waterproof filter bag is convenient to carry and store.

Description

Technical Field

[0001] This utility model relates to the field of outdoor survival water purification technology, specifically a filter bag structure for outdoor survival water filtration and treatment. Background Technology

[0002] Water is the source of human life, and all human activities are inseparable from water. In the wild, the large amount of human activity makes the need for clean drinking water even more urgent. Carrying a large amount of purified drinking water is not practical, and drinking natural surface water directly is the preferred choice. However, natural water bodies often contain various impurities, microorganisms and harmful substances, and drinking them directly poses a great risk. Obtaining clean drinking water is the key to survival.

[0003] Traditional water filtration equipment is often bulky and complex to operate, making it unsuitable for outdoor use. Furthermore, the filter layer of outdoor filtration equipment is not easy to disassemble, and it is inconvenient to clean the filter layer if it becomes clogged. Utility Model Content

[0004] The purpose of this invention is to provide a filter bag structure for water filtration and treatment in the wild, which solves the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a filter bag structure for water filtration and treatment in the wild, including a waterproof filter bag. The waterproof filter bag is funnel-shaped, with the inner diameter of the top end being larger than the inner diameter of the bottom end. The waterproof filter bag is provided with a first filter mechanism, a second filter mechanism, and a third filter mechanism from top to bottom. An upper external threaded ring is fixedly provided at the top end of the waterproof filter bag, a storage sleeve is provided above the top end of the waterproof filter bag, and a water outlet is fixedly provided at the bottom end of the waterproof filter bag.

[0007] Furthermore, the filter mechanism includes a fixing ring, an internal threaded ring, an external threaded ring, a fixing frame, a sealing gasket, and a PP filter cotton layer. The inner wall of the waterproof filter bag is fixedly connected to the fixing ring. The top of the fixing ring is fixedly provided with the internal threaded ring. The fixing frame and the sealing gasket are provided inside the internal threaded ring. The inner ring of the fixing frame is fixedly connected to the PP filter cotton layer. The bottom surface of the sealing gasket is in contact with the top surface of the fixing ring. The top surface of the sealing gasket is in contact with the bottom surface of the fixing frame. An external threaded ring that is threadedly connected to the internal threaded ring is provided above the fixing frame.

[0008] Furthermore, the second filter mechanism includes a second fixing ring, a second internal threaded ring, a second external threaded ring, a second fixing frame, a second sealing gasket, and a silver-loaded granular activated carbon layer. The inner wall of the waterproof filter bag is fixedly connected to the second fixing ring. The top of the second fixing ring is fixedly provided with the second internal threaded ring. The second fixing frame and the second sealing gasket are provided inside the second internal threaded ring. The inner ring of the second fixing frame is fixedly connected to the silver-loaded granular activated carbon layer. The bottom surface of the second sealing gasket is in contact with the top surface of the second fixing ring, and the top surface of the second sealing gasket is in contact with the bottom surface of the second fixing frame. An external threaded ring is provided above the second fixing frame and is threadedly connected to the second internal threaded ring.

[0009] Furthermore, the filtration mechanism three includes a fixed ring three, an internally threaded ring three, an externally threaded ring three, a fixed frame three, a sealing gasket three, and an ion exchange resin layer. The inner wall of the waterproof filter bag is fixedly connected to the fixed ring three. An internally threaded ring three is fixedly provided at the top of the fixed ring three. A fixed frame three and a sealing gasket three are provided inside the internally threaded ring three. The inner ring of the fixed frame three is fixedly connected to the ion exchange resin layer. The bottom surface of the sealing gasket three is in contact with the top surface of the fixed ring three. The top surface of the sealing gasket three is in contact with the bottom surface of the fixed frame three. An externally threaded ring three is provided above the fixed frame three and is threadedly connected to the internally threaded ring three.

[0010] Furthermore, the outer wall of the upper external threaded ring is provided with an external thread section, and the upper end of the inner wall of the receiving sleeve is provided with an internal thread section that is threadedly connected to the external thread section.

[0011] Furthermore, two connecting rings are fixedly provided on both sides of the outer wall of the storage sleeve, and two connecting rings are provided on the upper end of the outer wall of the water outlet.

[0012] Furthermore, the lower end of the waterproof filter bag is provided with a bottom cover having an internal thread section two, and the lower end of the water outlet is provided with an external thread section two that is threadedly connected to the internal thread section two.

[0013] This utility model has the following beneficial effects:

[0014] This invention filters outdoor water through three filtration mechanisms within a waterproof filter bag. Outdoor water is introduced into the bag from the top and sequentially passes through a PP filter cotton layer, a silver-loaded granular activated carbon layer, and an ion exchange resin layer for comprehensive purification. The PP filter cotton layer acts as a coarse filter, removing mud, sand, and large suspended particles. The silver-loaded granular activated carbon layer is a composite purification material combining nano-sized elemental silver and granular activated carbon, exhibiting strong inhibitory and killing effects on dozens of pathogenic microorganisms such as Escherichia coli, Neisseria gonorrhoeae, and Chlamydia trachomatis, effectively disinfecting natural water. The granular activated carbon adsorbs and removes trace amounts of dissolved organic matter, eliminating water toxicity. The ion exchange resin layer removes various inorganic ions from the water, such as heavy metal ions, fluoride ions, nitrate ions, and bromate ions.

[0015] The waterproof filter bag of this utility model is soft. After use, the upper external threaded ring is threadedly connected to the storage sleeve, and then the waterproof filter bag is pressed into the storage sleeve. The connection ring one and connection ring two are fixed with a rope to complete the storage of the waterproof filter bag, which is convenient to carry and store.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall appearance structure of this utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the waterproof filter bag structure in the image;

[0020] Figure 3 This is a cross-sectional view of the waterproof filter bag of this utility model;

[0021] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the diagram;

[0022] Figure 5 for Figure 1 A schematic diagram of the bottom cover structure;

[0023] Figure 6 for Figure 1 A schematic diagram of the storage sleeve structure;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] In the diagram: 1. Waterproof filter bag; 2. Upper external threaded ring; 201. External threaded section one; 3. Water outlet; 301. External threaded section two; 302. Connecting ring one; 4. Filter mechanism one; 401. Fixing ring one; 402. Internal threaded ring one; 403. External threaded ring one; 404. Fixing frame one; 405. Sealing gasket one; 406. PP filter cotton layer; 5. Filter mechanism two; 501. Fixing ring two; 502. Internal threaded ring two; 5 03. External threaded ring II; 504. Fixing frame II; 505. Sealing gasket II; 506. Silver-loaded granular activated carbon layer; 6. Filter mechanism III; 601. Fixing ring III; 602. Internal threaded ring III; 603. External threaded ring III; 604. Fixing frame III; 605. Sealing gasket III; 606. Ion exchange resin layer; 7. Storage sleeve; 701. Internal threaded section I; 702. Connecting ring II; 8. Bottom cover; 801. Internal threaded section II. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Please see Figure 1-6As shown, this utility model is a filter bag structure for water filtration and treatment in the wild, including a waterproof filter bag 1. The waterproof filter bag 1 is funnel-shaped, and the inner diameter of the top end of the waterproof filter bag 1 is larger than the inner diameter of the bottom end. The waterproof filter bag 1 is provided with a first filter mechanism 4, a second filter mechanism 5, and a third filter mechanism 6 from top to bottom. An upper external threaded ring 2 is fixedly provided at the top end of the waterproof filter bag 1. A storage sleeve 7 is provided above the top end of the waterproof filter bag 1. A water outlet 3 is fixedly provided at the bottom end of the waterproof filter bag 1. The outer wall of the upper external threaded ring 2 is provided with an external thread section 201. The upper end of the inner wall of the storage sleeve 7 is provided with an internal thread section 701 that is threadedly connected to the external thread section 201. Connecting rings 70 are fixedly provided on both sides of the outer wall of the storage sleeve 7. 2. Two connecting rings 302 are provided on the upper part of the outer wall of the water outlet 3. In this embodiment, the outdoor water is filtered by the first filter mechanism 4, the second filter mechanism 5 and the third filter mechanism 6 inside the waterproof filter bag 1. The outdoor water is sent into the waterproof filter bag 1 from the top. The outdoor water passes through the first filter mechanism 4, the second filter mechanism 5 and the third filter mechanism 6 from top to bottom to filter the outdoor water, which is fully purified. Finally, it flows out from the water outlet 3. The waterproof filter bag 1 is soft. After use, the upper outer threaded ring 2 is threaded to the storage sleeve 7. Then, the waterproof filter bag 1 is pressed into the storage sleeve 7. The connecting rings 302 and 702 are fixed with a rope to complete the storage of the waterproof filter bag 1, which is convenient to carry and store. The storage sleeve 7 can be used as a water container.

[0029] The filter mechanism 4 includes a fixing ring 401, an internal threaded ring 402, an external threaded ring 403, a fixing frame 404, a sealing gasket 405, and a PP filter cotton layer 406. The inner wall of the waterproof filter bag 1 is fixedly connected to the fixing ring 401. The top end of the fixing ring 401 is fixedly provided with the internal threaded ring 402. The fixing frame 404 and the sealing gasket 405 are provided inside the internal threaded ring 402. The inner ring of the fixing frame 404 is fixedly connected to the PP filter cotton layer 406. The bottom surface of the sealing gasket 405 is in contact with the top surface of the fixing ring 401, and the top surface of the sealing gasket 405 is in contact with the bottom surface of the fixing frame 404. The fixed frame 404 is provided with an external threaded ring 403 that is threadedly connected to the internal threaded ring 402. In this embodiment, the outdoor water first passes through the filter mechanism 4. The PP filter cotton layer 406 of the filter mechanism 4 acts as a coarse filter, which can filter out mud, sand and large suspended particles in the water. The fixed frame 404 that fixes the PP filter cotton layer 406 is fixed on the sealing gasket 405 by the cooperation of the internal threaded ring 402 and the external threaded ring 403. When it is necessary to clean the PP filter cotton layer 406, the fixed frame 404 that fixes the PP filter cotton layer 406 can be removed simply by unscrewing the internal threaded ring 402 and the external threaded ring 403.

[0030] The second filter mechanism 5 includes a fixing ring 501, an internally threaded ring 502, an externally threaded ring 503, a fixing frame 504, a sealing gasket 505, and a silver-loaded granular activated carbon layer 506. The inner wall of the waterproof filter bag 1 is fixedly connected to the fixing ring 501. The top of the fixing ring 501 is fixedly provided with the internally threaded ring 502. The fixing frame 504 and the sealing gasket 505 are provided inside the internally threaded ring 502. The inner ring of the fixing frame 504 is fixedly connected to the silver-loaded granular activated carbon layer 506. The bottom surface of the sealing gasket 505 is in contact with the top surface of the fixing ring 501, and the top surface of the sealing gasket 505 is in contact with the bottom surface of the fixing frame 504. An externally threaded ring 503, which is threadedly connected to the internally threaded ring 502, is provided above the fixing frame 504. In this embodiment, the outdoor water... After being filtered by the PP filter cotton layer 406, the water passes through the second filter mechanism 5. The silver-loaded granular activated carbon layer 506 of the second filter mechanism 5 is a composite purification material of nano-level elemental silver and granular activated carbon. It has a strong inhibitory and killing effect on dozens of pathogenic microorganisms such as Escherichia coli, Neisseria gonorrhoeae, and Chlamydia trachomatis, and can effectively disinfect natural water. The granular activated carbon can adsorb and remove trace amounts of dissolved organic matter in the water and eliminate water toxicity. The fixing frame 504 that fixes the silver-loaded granular activated carbon layer 506 is fixed to the sealing gasket 505 by the cooperation of the inner threaded ring 502 and the outer threaded ring 503. When it is necessary to clean the silver-loaded granular activated carbon layer 506, simply unscrew the inner threaded ring 502 and the outer threaded ring 503 to remove the fixing frame 504 that fixes the silver-loaded granular activated carbon layer 506.

[0031] The filter mechanism 6 includes a fixing ring 601, an internally threaded ring 602, an externally threaded ring 603, a fixing frame 604, a sealing gasket 605, and an ion exchange resin layer 606. The inner wall of the waterproof filter bag 1 is fixedly connected to the fixing ring 601. The top of the fixing ring 601 is fixedly provided with the internally threaded ring 602. The fixing frame 604 and the sealing gasket 605 are provided inside the internally threaded ring 602. The inner ring of the fixing frame 604 is fixedly connected to the ion exchange resin layer 606. The bottom surface of the sealing gasket 605 is in contact with the top surface of the fixing ring 601, and the top surface of the sealing gasket 605 is in contact with the bottom surface of the fixing frame 604. The fixing frame 604 is provided with a ring that is in contact with the internally threaded ring 601. The external threaded ring 603 is connected to the internal threaded ring 602. In this embodiment, the outdoor water filtered by the silver-loaded granular activated carbon layer 506 passes through the filtration mechanism 6. The ion exchange resin layer 606 of the filtration mechanism 6 can remove various inorganic ions in the water, such as heavy metal ions, fluoride ions, nitrate ions, bromate ions, etc., to complete the comprehensive purification of the outdoor water. The fixing frame 604 that fixes the ion exchange resin layer 606 is fixed on the sealing gasket 605 by the cooperation of the internal threaded ring 602 and the external threaded ring 603. When it is necessary to clean the ion exchange resin layer 606, simply unscrew the internal threaded ring 602 and the external threaded ring 603 to remove the fixing frame 604 that fixes the ion exchange resin layer 606.

[0032] The lower end of the waterproof filter bag 1 is provided with a bottom cover 8 having an internal thread section 801, and the lower end of the water outlet 3 is provided with an external thread section 301 that is threadedly connected to the internal thread section 801. In this embodiment, after use, the water outlet 3 is covered by the bottom cover 8 to prevent the space below the filtration mechanism 6 inside the waterproof filter bag 1 from being contaminated.

[0033] Understandably, firstly, the outdoor water is placed inside the waterproof filter bag 1, and then filtered sequentially through the PP filter cotton layer 406, the silver-loaded granular activated carbon layer 506, and the ion exchange resin layer 606, thus thoroughly purifying the outdoor water. Secondly, after use, the upper external threaded ring 2 is threadedly connected to the storage sleeve 7, and then the waterproof filter bag 1 is pressed into the storage sleeve 7. The connection ring 1 302 and the connection ring 2 702 are then fixed together with a rope to complete the storage of the waterproof filter bag 1, making it convenient to carry and store.

[0034] One specific application of this embodiment is as follows: In use, the waterproof filter bag 1 is hung up, and then water can be scooped out using the storage sleeve 7 and poured into the waterproof filter bag 1. The outdoor water passes through the first filter mechanism 4, the second filter mechanism 5, and the third filter mechanism 6 in sequence. The PP filter cotton layer 406 of the first filter mechanism 4, the silver-loaded granular activated carbon layer 506 of the second filter mechanism 5, and the ion exchange resin layer 606 of the third filter mechanism 6 filter the outdoor water, thus purifying it completely. The fixing frame that fixes the PP filter cotton layer 406, the silver-loaded granular activated carbon layer 506, and the ion exchange resin layer 606 is placed on the sealing gasket on the fixing ring. The fixing frame is secured by the threaded connection between the inner and outer threaded rings. To remove the fixing frame, simply unscrew the inner and outer threaded rings. This allows for easy cleaning or replacement of the PP filter cotton layer 406, the silver-loaded granular activated carbon layer 506, and the ion exchange resin layer 606. After use, the water outlet 3 is closed with the bottom cover 8 to prevent contamination of the space below the filter mechanism 6 inside the waterproof filter bag 1. Then, the waterproof filter bag 1 is pressed into the storage sleeve 7, and the connecting ring 302 and connecting ring 702 are secured with a rope to complete the storage of the waterproof filter bag 1, making it convenient to carry and store.

[0035] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A filter bag structure for water filtration and treatment in the wild, comprising a waterproof filter bag (1), characterized in that: The waterproof filter bag (1) is trumpet-shaped. The inner diameter of the top end of the waterproof filter bag (1) is larger than the inner diameter of the bottom end of the waterproof filter bag (1). The waterproof filter bag (1) is provided with a first filter mechanism (4), a second filter mechanism (5) and a third filter mechanism (6) from top to bottom. An upper external threaded ring (2) is fixedly provided at the top end of the waterproof filter bag (1). A storage sleeve (7) is provided above the top end of the waterproof filter bag (1). A water outlet (3) is fixedly provided at the bottom end of the waterproof filter bag (1).

2. The filter bag structure for outdoor water filtration and treatment according to claim 1, characterized in that: The filter mechanism (4) includes a fixing ring (401), an internal threaded ring (402), an external threaded ring (403), a fixing frame (404), a sealing gasket (405), and a PP filter cotton layer (406). The inner wall of the waterproof filter bag (1) is fixedly connected to the fixing ring (401). The top of the fixing ring (401) is fixedly provided with an internal threaded ring (402). The internal threaded ring (402) is provided with a fixing frame (404) and a sealing gasket (405). The inner ring of the fixing frame (404) is fixedly connected to the PP filter cotton layer (406). The bottom surface of the sealing gasket (405) is in contact with the top surface of the fixing ring (401). The top surface of the sealing gasket (405) is in contact with the bottom surface of the fixing frame (404). An external threaded ring (403) is provided above the fixing frame (404) and is threadedly connected to the internal threaded ring (402).

3. The filter bag structure for outdoor water filtration and treatment according to claim 1, characterized in that: The second filter mechanism (5) includes a second fixing ring (501), a second internal threaded ring (502), a second external threaded ring (503), a second fixing frame (504), a second sealing gasket (505), and a silver-loaded granular activated carbon layer (506). The inner wall of the waterproof filter bag (1) is fixedly connected to the second fixing ring (501). The top end of the second fixing ring (501) is fixedly provided with the second internal threaded ring (502). A fixing frame is provided inside the second internal threaded ring (502). The second frame (504) and the second sealing gasket (505) are fixedly connected to the silver-loaded particle activated carbon layer (506) by the inner ring of the second fixed frame (504), the bottom surface of the second sealing gasket (505) is attached to the top surface of the second fixed ring (501), the top surface of the second sealing gasket (505) is attached to the bottom surface of the second fixed frame (504), and an external threaded ring (503) is provided above the second fixed frame (504) and is threadedly connected to the internal threaded ring (502).

4. The filter bag structure for outdoor water filtration and treatment according to claim 1, characterized in that: The filter mechanism three (6) includes a fixed ring three (601), an internal threaded ring three (602), an external threaded ring three (603), a fixed frame three (604), a sealing gasket three (605), and an ion exchange resin layer (606). The inner wall of the waterproof filter bag (1) is fixedly connected to the fixed ring three (601). The top of the fixed ring three (601) is fixedly provided with an internal threaded ring three (602). The internal threaded ring three (602) is provided with a fixed frame three (604) and a sealing gasket three (605). The inner ring of the fixed frame three (604) is fixedly connected to the ion exchange resin layer (606). The bottom surface of the sealing gasket three (605) is in contact with the top surface of the fixed ring three (601). The top surface of the sealing gasket three (605) is in contact with the bottom surface of the fixed frame three (604). An external threaded ring three (603) is provided above the fixed frame three (604) and is threadedly connected to the internal threaded ring three (602).

5. The filter bag structure for outdoor water filtration and treatment according to claim 1, characterized in that: The outer wall of the upper external threaded ring (2) is provided with an external thread section (201), and the upper end of the inner wall of the storage sleeve (7) is provided with an internal thread section (701) that is threadedly connected to the external thread section (201).

6. The filter bag structure for outdoor water filtration and treatment according to claim 5, characterized in that: The outer walls of the storage sleeve (7) are fixedly provided with connecting rings two (702), and the upper part of the outer wall of the water outlet (3) is provided with two connecting rings one (302).

7. The filter bag structure for outdoor water filtration and treatment according to claim 1, characterized in that: The lower end of the waterproof filter bag (1) is provided with a bottom cover (8) with an internal thread section (801), and the lower end of the water outlet (3) is provided with an external thread section (301) that is threadedly connected to the internal thread section (801).

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