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CN-224226856-U - Filter bag structure for field survival water quality filtering treatment

CN224226856UCN 224226856 UCN224226856 UCN 224226856UCN-224226856-U

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, wherein 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, 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, the top end of the waterproof filter bag is fixedly provided with an upper external thread ring, a containing sleeve is arranged above the top end of the waterproof filter bag, and the bottom end of the waterproof filter bag is fixedly provided with a water outlet nozzle.

Inventors

  • REN YANMEI
  • Meng Dongqi
  • WANG WEI

Assignees

  • 中国人民解放军空军航空大学

Dates

Publication Date
20260512
Application Date
20250609

Claims (7)

  1. 1. The utility model provides a field survival quality of water filtration treatment filter bag structure, includes waterproof filter bag (1), its characterized in that, the shape of waterproof filter bag (1) is loudspeaker form, the top internal diameter size of waterproof filter bag (1) is greater than the bottom internal diameter size of waterproof filter bag (1), waterproof filter bag (1) has set gradually filter mechanism one (4), filter mechanism two (5) and filter mechanism three (6) from top to bottom, the fixed external screw thread ring (2) that is provided with in top of waterproof filter bag (1), waterproof filter bag (1) top is provided with accomodates cover (7), the bottom mounting of waterproof filter bag (1) is provided with water outlet nozzle (3).
  2. 2. The filter bag structure for field survival water quality filtering treatment according to claim 1, wherein the first filtering mechanism (4) comprises a first fixed ring (401), a first internal thread ring (402), a first external thread ring (403), a first fixed frame (404), a first sealing gasket (405) and a PP filter cotton layer (406), the inner wall of the waterproof filter bag (1) is fixedly connected with the first fixed ring (401), the top end of the first fixed ring (401) is fixedly provided with the first internal thread ring (402), the first fixed frame (404) and the first sealing gasket (405) are arranged in the first internal thread ring (402), the inner ring of the first fixed frame (404) is fixedly connected with the PP filter cotton layer (406), the bottom surface of the first sealing gasket (405) is attached to the top surface of the first fixed ring (401), the top surface of the first sealing gasket (405) is attached to the bottom surface of the first fixed frame (404), and the first external thread ring (403) in threaded connection with the first internal thread ring (402) is arranged above the first fixed frame (404).
  3. 3. The filter bag structure for field survival water quality filtering treatment according to claim 1, wherein the second filtering mechanism (5) comprises a second fixing ring (501), a second internal thread ring (502), a second external thread ring (503), a second fixing frame (504), a second sealing pad (505) and a silver-carrying particle activated carbon layer (506), the inner wall of the waterproof filter bag (1) is fixedly connected with the second fixing ring (501), the top end of the second fixing ring (501) is fixedly provided with the second internal thread ring (502), the second fixing frame (504) and the second sealing pad (505) are arranged in the second internal thread ring (502), the inner ring of the second fixing frame (504) is fixedly connected with the silver-carrying particle activated carbon layer (506), the bottom surface of the second sealing pad (505) is attached to the top surface of the second fixing ring (501), and the top surface of the second sealing pad (505) is attached to the bottom surface of the second fixing frame (504), and the second external thread ring (503) in threaded connection with the second internal thread ring (502) is arranged above the second fixing frame (504).
  4. 4. The field survival water quality filtering treatment filter bag structure according to claim 1, wherein the filtering mechanism III (6) comprises a fixed ring III (601), an inner thread ring III (602), an outer thread ring III (603), a fixed frame III (604), a sealing gasket III (605) and an ion exchange resin layer (606), the inner wall of the waterproof filter bag (1) is fixedly connected with the fixed ring III (601), the top end of the fixed ring III (601) is fixedly provided with the inner thread ring III (602), the inner thread ring III (604) and the sealing gasket III (605) are arranged in the inner thread ring III (602), the inner ring of the fixed frame III (604) is fixedly connected with the ion exchange resin layer (606), the bottom surface of the sealing gasket III (605) is attached to the top surface of the fixed ring III (601), and the top surface of the sealing gasket III (605) is attached to the bottom surface of the fixed frame III (604), and the outer thread ring III (603) in threaded connection with the inner thread ring III (602) is arranged above the fixed frame III (604).
  5. 5. The filter bag structure for field survival water quality filtering treatment of claim 1, wherein an outer wall of the upper outer threaded ring (2) is provided with an outer threaded section I (201), and an inner threaded section I (701) in threaded connection with the outer threaded section I (201) is arranged at the upper end of the inner wall of the accommodating sleeve (7).
  6. 6. The filter bag structure for field survival water quality filtering treatment of claim 5, wherein two connecting rings (702) are fixedly arranged on two sides of the outer wall of the storage sleeve (7), and two connecting rings (302) are arranged at the upper end of the outer wall of the water outlet nozzle (3).
  7. 7. The filter bag structure for field survival water quality filtering treatment of claim 1, wherein a bottom cover (8) provided with an internal thread section II (801) is arranged at the lower end of the waterproof filter bag (1), and an external thread section II (301) in threaded connection with the internal thread section II (801) is arranged at the lower end of the water outlet nozzle (3).

Description

Filter bag structure for field survival water quality filtering treatment Technical Field The utility model relates to the technical field of field survival water purification, in particular to a filter bag structure for field survival water quality filtering treatment. Background The water is a source of life of human beings, all activities of the human beings cannot leave the water, in a field living environment, the requirement of the human beings on clean direct drinking water is urgent due to a large amount of movements of the human beings, a large amount of direct drinking purified water is carried about, the direct drinking of natural surface water is a more tendency choice of the human beings, however, the natural water often contains various impurities, microorganisms and harmful substances, the direct drinking has great risk, and the acquisition of clean drinking water is a key for survival; Traditional water quality filtration equipment is often huge, the operation is complicated, is not suitable for carrying and using in the field, and the filter layer of outdoor filtration equipment is inconvenient to detach, and under the condition that the filter layer is blocked, the filter layer is inconvenient to clean. Disclosure of utility model The utility model aims to provide a filter bag structure for filtering and treating field survival water, which solves the problems in the background technology. In order to solve the technical problems, the utility model is realized by the following technical scheme: The utility model relates to a filter bag structure for field survival water quality filtering treatment, which comprises a waterproof filter bag, wherein the waterproof filter bag is in a horn shape, 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, 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, the top end of the waterproof filter bag is fixedly provided with an upper external thread ring, a storage sleeve is arranged above the top end of the waterproof filter bag, and the bottom end of the waterproof filter bag is fixedly provided with a water outlet nozzle. Further, the first filter mechanism comprises a first fixed ring, a first internal thread ring, a first external thread ring, a first fixed frame, a first sealing gasket and a PP filter cotton layer, the inner wall of the waterproof filter bag is fixedly connected with the first fixed ring, the first internal thread ring is fixedly arranged at the top end of the first fixed ring, the first fixed frame and the first sealing gasket are arranged in the first internal thread ring, the inner ring of the first fixed frame is fixedly connected with the PP filter cotton layer, the bottom surface of the first sealing gasket is attached to the top surface of the first fixed ring, the top surface of the first sealing gasket is attached to the bottom surface of the first fixed frame, and the first external thread ring in threaded connection with the first internal thread ring is arranged above the first fixed frame. Further, the second filter mechanism comprises a second fixed ring, a second internal thread ring, a second external thread ring, a second fixed frame, a second sealing gasket and a silver-carrying particle activated carbon layer, the inner wall of the waterproof filter bag is fixedly connected with the second fixed ring, the second internal thread ring is fixedly arranged at the top end of the second fixed ring, the second fixed frame and the second sealing gasket are arranged in the second internal thread ring, the inner ring of the second fixed frame is fixedly connected with the silver-carrying particle activated carbon layer, the bottom surface of the second sealing gasket is attached to the top surface of the second fixed ring, the top surface of the second sealing gasket is attached to the bottom surface of the second fixed frame, and the second external thread ring in threaded connection with the second internal thread ring is arranged above the second fixed frame. Further, the filter mechanism III comprises a fixing ring III, an internal thread ring III, an external thread ring III, a fixing frame III, a sealing gasket III and an ion exchange resin layer, the inner wall of the waterproof filter bag is fixedly connected with the fixing ring III, the top end of the fixing ring III is fixedly provided with the internal thread ring III, the fixing frame III and the sealing gasket III are arranged in the internal thread ring III, the inner ring of the fixing frame III is fixedly connected with the ion exchange resin layer, the bottom surface of the sealing gasket III is attached to the top surface of the fixing ring III, the top surface of the sealing gasket III is attached to the bottom surface of the fixing frame III, and the external threa