Water purification equipment for outdoor sports

Abstract

The invention belongs to the technical field of water purification equipment, and particularly relates to outdoor sports water purification equipment which comprises a filtering component, a pressurizing component is arranged at the top of the filtering component, a drainage component is arranged at the bottom of the filtering component, the pressurizing component comprises a detachable top cylinder, and a butt joint rotating groove is formed in the bottom of the outer surface of the detachable top cylinder. And the top of the inner wall of the dismounting top cylinder is fixedly connected with a threaded guide cylinder. The device can help sportsmen to purify and filter a water body outdoors, and as the internal treatment filter element can be silted and blocked after being used for a long time, the treatment filter element of the device is arranged to be a replaceable disposable filter element and can be replaced at any time, so that it is guaranteed that the device can filter water all the time, and the service life of the sportsmen is prolonged. The added water can only be discharged through the treatment filter element, so that the problem that the water bypasses the treatment filter element, is not treated and is directly discharged, so that sportsmen are poisoned after drinking water is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of water purification equipment, in particular to a water purification equipment for outdoor sports. Background Art

[0002] An outdoor water purifier is a drinking water guarantee device that is convenient to carry with you when engaging in outdoor activities. When in use, it does not need to be installed on the faucet, and no tap water pressure is required. Only manpower is required to immediately purify outdoor rainwater, stream water, river water, lake water and other natural water into safe drinking water that is sterile, free of suspended pollutants and other harmful substances and can be directly drunk. It is a water purification device or device; it is also a common choice for soldiers in the army, outdoor workers, and outdoor activity enthusiasts such as tourism, exploration, mountaineering, hiking, camping, fishing, hunting, etc. to obtain safe drinking water on the spot during outdoor activities. It can avoid the burden of carrying a large amount of drinking water and avoid diseases such as diarrhea, vomiting, fever, etc. caused by drinking unclean drinking water; it is also an emergency water purification equipment to ensure drinking water safety when natural disasters such as earthquakes and floods occur.

[0003] A portable water purification device for outdoor sports training with publication number CN204079638U filters and disinfects river water through internal water purification sheets, but it is too idealistic in actual use. It is difficult to effectively disinfect and filter the water body relying solely on a single-layer filtering device, and its filtering effect will gradually decrease with use time, so it needs to be improved. Summary of the invention

[0004] Aiming at the problem that the existing equipment is relatively simple in filtering and it is difficult to effectively disinfect and filter the water body, the technical solution adopted by the present invention is: a water purification device for outdoor sports, including a filtering component, a pressurizing component is arranged on the top of the filtering component, and a drainage component is arranged on the bottom of the filtering component;

[0005] The pressurizing component comprises a disassembly top cylinder, a docking groove is provided at the bottom of the outer surface of the disassembly top cylinder, a threaded guide cylinder is fixedly connected to the top of the inner wall of the disassembly top cylinder, a composite push rod is threadedly connected to the inner wall of the threaded guide cylinder, a pressurizing piston is fixedly connected to the bottom of the composite push rod, and the composite push rod can push the pressurizing piston downward when it rotates clockwise along the threaded guide cylinder through the threaded groove on the outer surface, and a rotating handle is fixedly connected to the top of the composite push rod;

[0006] The filter component comprises a treatment cartridge shell, the upper surface of which is fixedly connected to a docking drum, a treatment filter element is arranged at the axis of the inner wall of the treatment cartridge shell, and limit clamps are symmetrically arranged on the left and right sides of the outer surface of the treatment filter element, and the side of the limit clamp away from the treatment filter element is fixedly connected to a side baffle through an inner connecting rod, and a traction handle is fixedly connected to the middle of the outer surface of the side baffle. In order to ensure that the limit clamps on both sides can fix the treatment filter element, the treatment filter element is cut and processed so that the limit clamps are inserted into the side of the treatment filter element and are complementary to the treatment filter element, such as Figure 4 shown.

[0007] Furthermore, the treatment cartridge shell comprises a hollow shell, and a ring structure is provided at the bottom of the inner wall of the hollow shell axis to prevent the treatment filter element from sliding downward, such as Figure 5 As shown, it is ensured that after the treatment filter element is placed on the inner wall of the hollow shell, simple fixing work can be carried out, and then the limiting clamps on both sides are used to clamp the treatment filter element, and the front and rear sides of the inner wall of the hollow shell are symmetrically provided with adapter bases, and a drainage plug plate is fixedly connected to the side of the inner cavity of the adapter base close to the treatment filter element. The drainage plug plate has an elastic structure. After the treatment filter element is placed, the top end of the drainage plug plate can be tightly attached to the treatment filter element to adsorb the water that is about to be discharged by the treatment filter element, and the side of the inner cavity of the adapter base away from the treatment filter element is symmetrically provided with drainage guide plates, and the end of the drainage guide plate away from the drainage plug plate is fixedly connected to the detection box.

[0008] Furthermore, there are two adapter bases, the outer surface of which is fixedly connected to the inner wall of the hollow shell, four detection boxes, the upper and lower sides of which are fixedly connected to the inner wall of the hollow shell, and the end of the drainage plug away from the adapter base is plugged into the lower part of the inner cavity of the treatment filter element. There are two side baffles, the inner wall of which is slidably connected to one side of the outer surface of the hollow shell, the side of the limiting clamp away from the side baffle extends to the outside of the hollow shell through a notch, and the side of the limiting clamp away from the side baffle is plugged into one side of the outer surface of the treatment filter element. The bottom of the outer surface of the disassembly top cylinder is threadedly connected to the inner wall of the docking rotating cylinder through a docking rotating groove, the outer surface of the pressurizing piston is slidably connected to the inner wall of the disassembly top cylinder, and the middle of the outer surface of the rotating handle is fixedly connected to the axis of the top of the composite push rod inner cavity.

[0009] Furthermore, the composite push rod includes a counterweight rod shell, a pressure-sensing tube is fixedly connected to the middle of the inner wall of the counterweight rod shell, a spring push rod is slidably connected to the axis of the bottom of the inner cavity of the pressure-sensing tube, a waterproof sliding cover is fixedly connected to the bottom end of the spring push rod, an adapter ring is fixedly connected to the axis of the top of the inner cavity of the pressure-sensing tube through a connecting wire, and a display screen is fixedly connected to the top of the adapter ring. The adapter ring can transmit the electrical signal transmitted by the connecting wire to the display screen at the top through its metal structure, and fill the hollow structure at the top of the counterweight rod shell to increase the strength of the top of the counterweight rod shell. The outer surface of the adapter ring is fixedly connected to the top of the inner cavity of the counterweight rod shell, a threaded guide groove is provided on the outer surface of the counterweight rod shell, and the outer surface of the counterweight rod shell is threadedly connected to the inner wall of the threaded guide tube through the threaded guide groove, and the outer surface of the display screen is fixedly connected to the top of the outer surface of the counterweight rod shell.

[0010] Furthermore, the drainage component includes a drainage hose, the inner wall of the drainage hose is fixedly connected to a wall-attached inner cylinder, a filling air bag is evenly arranged on one side of the inner wall of the wall-attached inner cylinder near the axis, and the inner cavity of the filling air bag is fixedly connected to an outer indicator tube via a small spring. The inner wall of the outer indicator tube is fixedly connected to the outer surface of the drainage hose, the outer surface of the filling air bag extends to the outside of the wall-attached inner cylinder, the top of the inner wall of the drainage hose is fixedly connected to the axis of the lower surface of the hollow shell, one end of the small spring is fixedly connected to one side of the inner cavity of the filling air bag near the axis, and the other end of the small spring is pressed against the inner wall of the outer indicator tube.

[0011] The beneficial effects of the present invention are as follows:

[0012] 1. The device can help athletes to purify and filter water outdoors, so that athletes can drink clean water outdoors. Since the internal treatment filter element will be silted and blocked after long-term use, the treatment filter element of the device is set as a replaceable disposable filter element, which can be replaced at any time to ensure that the device can always filter water, and the added water can only be discharged through the treatment filter element, avoiding the problem of water bypassing the treatment filter element without treatment and being directly discharged, causing athletes to drink water poisoning.

[0013] 2. After adding external water to the interior of the disassembled top cylinder, the user pressurizes the internal water by twisting the composite push rod, so that the water is purified through the treatment filter element. Therefore, when no pressurization is performed, the interior of the disassembled top cylinder can be used as a simple water storage component. When drinking water is needed, the user can directly drink the freshly filtered water, avoiding the problem of the water being contaminated again after filtration and storage, thereby affecting the health of athletes.

[0014] 3. Before the drainage components start draining, athletes who drink water can use the internal detection box to test the filtered water in advance, and judge the actual filtering effect of the treatment filter element according to the water body, so as to avoid the problem that the filtering effect of the treatment filter element does not meet the standards, resulting in unhealthy drinking water for users, and solve the problem of filtering failure in time, which plays a certain insurance function.

[0015] 4. The filtered water will be discharged outward through the drainage hose at the bottom. When the water passes through the inner cylinder attached to the wall, if the single discharge flow of the water is large, the water will cause hydraulic pressure on the inner wall of the inner cylinder attached to the wall, and then trigger the outer indicator cylinder by pressing the filling air bag, reminding the user to reduce the water flow, to prevent the user from being choked by a large water flow when drinking water. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the present invention;

[0017] Figure 2 is a cross-sectional view of the present invention;

[0018] Figure 3 is a cross-sectional view of a pressurizing component of the present invention;

[0019] Figure 4 is a cross-sectional view of a filter component of the present invention;

[0020] Figure 5 is a cross-sectional view of the treatment shell of the present invention;

[0021] Figure 6 is a cross-sectional view of the composite push rod of the present invention;

[0022] Figure 7 It is a cross-sectional view of the drainage component of the present invention.

[0023] In the figure: 1. Filter component; 2. Pressurizing component; 3. Drainage component; 21. Disassembly top cylinder; 22. Docking rotating groove; 23. Threaded guide cylinder; 24. Composite push rod; 25. Rotating handle; 26. Pressurizing piston; 11. Processing cylinder shell; 12. Docking rotating cylinder; 13. Processing filter element; 14. Limiting clamping claw; 15. Side baffle; 16. Pulling handle; 111. Hollow shell; 112. Adapter base; 113. Drainage plug plate; 114. Drainage guide plate; 115. Inspection box; 241. Counterweight rod shell; 242. Pressure sensing cylinder; 243. Spring push rod; 244. Waterproof sliding cover; 245. Connecting wire; 246. Adapter ring; 247. Display screen; 31. Drainage hose; 32. Wall-attached inner cylinder; 33. Filling air bag; 34. Small spring; 35. External indicator cylinder. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. 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 in order 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.

[0025] Example 1, please refer to Figure 1-Figure 5 The present invention provides a technical solution: a water purification device for outdoor sports, comprising a filter component 1, a pressurizing component 2 is arranged on the top of the filter component 1, and a drainage component 3 is arranged on the bottom of the filter component 1;

[0026] The pressurizing component 2 includes a disassembly top cylinder 21, a docking groove 22 is provided at the bottom of the outer surface of the disassembly top cylinder 21, a threaded guide cylinder 23 is fixedly connected to the top of the inner wall of the disassembly top cylinder 21, a composite push rod 24 is threadedly connected to the inner wall of the threaded guide cylinder 23, a pressurizing piston 26 is fixedly connected to the bottom of the composite push rod 24, when the composite push rod 24 rotates clockwise along the threaded guide cylinder 23 through the threaded groove on the outer surface, the pressurizing piston 26 can be pushed downward, and a rotating handle 25 is fixedly connected to the top of the composite push rod 24;

[0027] The filter component 1 includes a treatment cylinder shell 11, the upper surface of which is fixedly connected to a docking drum 12, a treatment filter element 13 is arranged at the axis of the inner wall of the treatment cylinder shell 11, and limiting clamps 14 are symmetrically arranged on the left and right sides of the outer surface of the treatment filter element 13, and the side of the limiting clamp 14 away from the treatment filter element 13 is fixedly connected to a side baffle 15 through an inner connecting rod, and the middle of the outer surface of the side baffle 15 is fixedly connected to a traction handle 16. In order to ensure that the limiting clamps 14 on both sides can fix the treatment filter element 13, the treatment filter element 13 is cut and processed so that the limiting clamps 14 are inserted into the side of the treatment filter element 13 and are complementary to the treatment filter element 13, such as Figure 4 shown.

[0028] The treatment cartridge shell 11 includes a hollow shell 111, and a ring structure is added at the bottom of the inner wall of the axial center of the hollow shell 111 to prevent the treatment filter element 13 from sliding down. Figure 5As shown, it is ensured that after the treatment filter element 13 is placed on the inner wall of the hollow shell 111, a simple fixing work can be performed, and then the limiting clamps 14 on both sides are used to clamp the treatment filter element 13. The front and rear sides of the inner wall of the hollow shell 111 are symmetrically provided with adapter bases 112, and a drainage plug plate 113 is fixedly connected to the side of the inner cavity of the adapter base 112 close to the treatment filter element 13. The drainage plug plate 113 has an elastic structure. After the treatment filter element 13 is placed, the top end of the adapter base 112 can be tightly attached to the treatment filter element 13 to adsorb the water that is about to be discharged by the treatment filter element 13. The side of the inner cavity of the adapter base 112 away from the treatment filter element 13 is symmetrically provided with drainage guide plates 114, and the end of the drainage guide plate 114 away from the drainage plug plate 113 is fixedly connected to the detection box 115.

[0029] There are two adapter bases 112, the outer surface of which is fixedly connected to the inner wall of the hollow shell 111, four detection boxes 115, the upper and lower sides of which are fixedly connected to the inner wall of the hollow shell 111, and one end of the drainage plug plate 113 away from the adapter base 112 is plugged into the lower part of the inner cavity of the treatment filter element 13. There are two side baffles 15, the inner wall of which is slidably connected to one side of the outer surface of the hollow shell 111, the side of the limiting clamp 14 away from the side baffle 15 extends to the outside of the hollow shell 111 through the notch, and the side of the limiting clamp 14 away from the side baffle 15 is plugged into one side of the outer surface of the treatment filter element 13. The bottom of the outer surface of the disassembly top cylinder 21 is threadedly connected to the inner wall of the docking rotating cylinder 12 through the docking rotating groove 22, the outer surface of the pressurizing piston 26 is slidably connected to the inner wall of the disassembly top cylinder 21, and the middle part of the outer surface of the rotating handle 25 is fixedly connected to the axis of the top of the inner cavity of the composite push rod 24.

[0030] When using the device outdoors for water purification, the user first rotates the composite push rod 24 counterclockwise to open the top port of the disassembled top cylinder 21, and then adds the water to be purified into the interior of the device through the disassembled top cylinder 21. At this time, the water cannot pass through the treatment filter element 13 at the bottom by gravity alone. The operator then rotates the composite push rod 24 clockwise along the threaded guide cylinder 23 into the interior of the disassembled top cylinder 21 to pressurize the water inside the disassembled top cylinder 21. The water is then filtered through the treatment filter element 13 after being pressurized.

[0031] When the device is used outdoors for a long time, the filtering capacity of the treatment filter element 13 will decrease. At this time, the treatment filter element 13 needs to be replaced. The user first removes the disassembled top cylinder 21 from the inside of the docking drum 12 by twisting the disassembly top cylinder 21. Then, the user pulls the traction handles 16 on both sides at the same time to pull the limiting clamping claws 14 of the clamped treatment filter element 13 into the inside of the treatment drum shell 11. Then, the treatment filter element 13 is poured out from the inside of the docking drum 12, and a new treatment filter element 13 is replaced from the backpack and placed on the axis of the treatment drum shell 11. Then, the limiting clamping claws 14 fix the replaced treatment filter element 13 by pushing the traction handle 16. Finally, the disassembled top cylinder 21 is screwed back into the inside of the docking drum 12 to complete the replacement work.

[0032] When the treatment filter element 13 is filtering, the filtered water will be directly discharged downward through the drainage component 3 at the bottom, and on the other hand, the water will be absorbed into the interior of the adapter base 112 by the drainage plug plate 113 on the side of the treatment filter element 13, and transported to the detection box 115 on both sides through the drainage guide plate 114 for water detection, thereby ensuring that the user can judge the filtering effect of the water through the detection result of the detection box 115 before drinking the filtered water.

[0033] Example 2, please refer to Figure 1-Figure 7 The present invention provides a technical solution: on the basis of embodiment one, the composite push rod 24 includes a counterweight rod shell 241, a pressure-sensing tube 242 is fixedly connected to the middle of the inner wall of the counterweight rod shell 241, a spring push rod 243 is slidably connected to the axis at the bottom of the inner cavity of the pressure-sensing tube 242, a waterproof sliding cover 244 is fixedly connected to the bottom of the spring push rod 243, an adapter ring 246 is fixedly connected to the axis at the top of the inner cavity of the pressure-sensing tube 242 through a connecting wire 245, a display screen 247 is fixedly connected to the top of the adapter ring 246, and the adapter ring 246 can transmit the electrical signal transmitted by the connecting wire 245 to the display screen 247 at the top through its metal structure, and fill the hollow structure at the top of the counterweight rod shell 241 to increase the strength of the top of the counterweight rod shell 241. The outer surface of the adapter ring 246 is fixedly connected to the top of the inner cavity of the counterweight rod shell 241. A threaded guide groove is provided on the outer surface of the counterweight rod shell 241, and the outer surface of the counterweight rod shell 241 is threadedly connected to the inner wall of the threaded guide tube 23 through the threaded guide groove. The outer surface of the display screen 247 is fixedly connected to the top of the outer surface of the counterweight rod shell 241.

[0034] The drainage component 3 includes a drainage hose 31, the inner wall of which is fixedly connected to a wall-attached inner tube 32, a filling air bag 33 is evenly arranged on one side of the inner wall of the wall-attached inner tube 32 near the axis, and an outer indicator tube 35 is fixedly connected to the inner cavity of the filling air bag 33 through a small spring 34. The inner wall of the outer indicator tube 35 is fixedly connected to the outer surface of the drainage hose 31, the outer surface of the filling air bag 33 extends to the outside of the wall-attached inner tube 32, the top of the inner wall of the drainage hose 31 is fixedly connected to the axis of the lower surface of the hollow shell 111, one end of the small spring 34 is fixedly connected to one side of the inner cavity of the filling air bag 33 near the axis, and the other end of the small spring 34 is pressed against the inner wall of the outer indicator tube 35.

[0035] When the counterweight rod shell 241 is pressurized downward around the threaded guide tube 23, the bottom end of the composite push rod 24 will also be affected by the reaction force, thereby pressing the waterproof sliding cover 244 upward along the inner wall of the counterweight rod shell 241. At this time, the spring push rod 243 is compressed and then presses the middle pressure-sensitive tube 242. The pressure-sensitive tube 242 transmits the pressure to the display screen 247 through the connecting wire 245, so that the operator can focus on the indication on the display screen 247 when twisting the rotating handle 25 to judge the pressure inside the disassembled top tube 21. When the pressure displayed on the display screen 247 is too large, it means that the treatment filter element 13 is seriously blocked, thereby reminding the user to replace the treatment filter element 13 in time.

[0036] The filtered water will be discharged outward through the drainage hose 31 at the bottom. When the water passes through the wall-attached inner cylinder 32, if the single discharge flow of the water is large, the water will cause hydraulic pressure on the inner wall of the wall-attached inner cylinder 32, and then trigger the outer indicator cylinder 35 by pressing the filling air bag 33, reminding the user to reduce the water flow, so as to prevent the user from being choked by the large water flow when drinking water.

[0037] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A water purification device for outdoor sports, comprising a filter component (1), a pressurizing component (2) being arranged on the top of the filter component (1), and a drainage component (3) being arranged on the bottom of the filter component (1), characterized in that: The pressurizing component (2) comprises a disassembly top cylinder (21), the bottom of the outer surface of the disassembly top cylinder (21) is provided with a docking groove (22), the top of the inner wall of the disassembly top cylinder (21) is fixedly connected with a threaded guide cylinder (23), the inner wall of the threaded guide cylinder (23) is threadedly connected with a composite push rod (24), the bottom of the composite push rod (24) is fixedly connected with a pressurizing piston (26), and the top of the composite push rod (24) is fixedly connected with a rotating handle (25); The filter component (1) comprises a treatment cylinder shell (11), the upper surface of which is fixedly connected to a docking drum (12), a treatment filter element (13) is arranged at the axis of the inner wall of the treatment cylinder shell (11), and limiting clamps (14) are symmetrically arranged on the left and right sides of the outer surface of the treatment filter element (13), a side of the limiting clamp (14) away from the treatment filter element (13) is fixedly connected to a side baffle (15) via an inner connecting rod, and a traction handle (16) is fixedly connected to the middle of the outer surface of the side baffle (15).

2. The outdoor sports water purification device according to claim 1, characterized in that: The treatment cartridge shell (11) comprises a hollow shell (111), and adapter bases (112) are symmetrically arranged on the front and rear sides of the inner wall of the hollow shell (111), and a drainage plug plate (113) is fixedly connected to a side of the inner cavity of the adapter base (112) close to the treatment filter element (13), and a drainage guide plate (114) is symmetrically arranged on a side of the inner cavity of the adapter base (112) away from the treatment filter element (13), and a detection box (115) is fixedly connected to one end of the drainage guide plate (114) away from the drainage plug plate (113).

3. The water purification device for outdoor sports according to claim 2, characterized in that: The number of the adapter bases (112) is two, and the outer surface of the adapter base (112) is fixedly connected to the inner wall of the hollow shell (111). The number of the detection boxes (115) is four, and the upper and lower sides of the detection boxes (115) are fixedly connected to the inner wall of the hollow shell (111). The end of the drainage plug plate (113) away from the adapter base (112) is plugged into the lower part of the inner cavity of the treatment filter element (13).

4. The water purification device for outdoor sports according to claim 3, characterized in that: The number of the side baffles (15) is two, and the inner wall of the side baffle (15) is slidably connected to one side of the outer surface of the hollow shell (111); the side of the limiting clamp (14) away from the side baffle (15) extends to the outside of the hollow shell (111) through a notch, and the side of the limiting clamp (14) away from the side baffle (15) is plugged into one side of the outer surface of the treatment filter element (13).

5. The water purification device for outdoor sports according to claim 4, characterized in that: The bottom of the outer surface of the disassembly top cylinder (21) is threadedly connected to the inner wall of the docking rotating cylinder (12) through the docking rotating groove (22), the outer surface of the pressurizing piston (26) is slidably connected to the inner wall of the disassembly top cylinder (21), and the middle part of the outer surface of the rotating handle (25) is fixedly connected to the axis of the top of the inner cavity of the composite push rod (24).

6. The water purification device for outdoor sports according to claim 1, characterized in that: The composite push rod (24) comprises a counterweight rod shell (241), a pressure-sensing tube (242) is fixedly connected to the middle of the inner wall of the counterweight rod shell (241), a spring push rod (243) is slidably connected to the axis at the bottom of the inner cavity of the pressure-sensing tube (242), a waterproof sliding cover (244) is fixedly connected to the bottom end of the spring push rod (243), an adapter ring (246) is fixedly connected to the axis at the top of the inner cavity of the pressure-sensing tube (242) via a connecting wire (245), and a display screen (247) is fixedly connected to the top of the adapter ring (246).

7. The water purification device for outdoor sports according to claim 6, characterized in that: The outer surface of the adapter ring (246) is fixedly connected to the top of the inner cavity of the counterweight rod shell (241), the outer surface of the counterweight rod shell (241) is provided with a threaded guide groove, and the outer surface of the counterweight rod shell (241) is threadedly connected to the inner wall of the threaded guide tube (23) through the threaded guide groove, and the outer surface of the display screen (247) is fixedly connected to the top of the outer surface of the counterweight rod shell (241).

8. The water purification device for outdoor sports according to claim 2, characterized in that: The drainage component (3) comprises a drainage hose (31), the inner wall of the drainage hose (31) is fixedly connected to a wall-attached inner cylinder (32), a filling air bag (33) is evenly arranged on one side of the inner wall of the wall-attached inner cylinder (32) close to the axis, and the inner cavity of the filling air bag (33) is fixedly connected to an outer indicator cylinder (35) via a small spring (34).

9. The water purification device for outdoor sports according to claim 8, characterized in that: The inner wall of the outer indicator tube (35) is fixedly connected to the outer surface of the drainage hose (31); the outer surface of the filling airbag (33) extends to the outside of the wall-attached inner tube (32); the top of the inner wall of the drainage hose (31) is fixedly connected to the axis of the lower surface of the hollow shell (111); one end of the small spring (34) is fixedly connected to one side of the inner cavity of the filling airbag (33) close to the axis, and the other end of the small spring (34) is pressed against the inner wall of the outer indicator tube (35).

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