Portable seawater filter
Through the miniaturized design and magnetically connected seawater portable filter, the existing device is large in size and complex in operation, and portable and efficient filter membrane and liquid collection bottle replacement is achieved, adapting to different liquid collection bottle heights, improving the convenience of marine scientific research.
Patent Information
- Application Number
- CN202422206115.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-09
AI Technical Summary
The existing marine scientific research seawater suction filter devices are large in size and inconvenient to carry, the liquid collection bottle replacement is complicated, and the filter membrane replacement operation is cumbersome, which affects work efficiency.
It adopts a small-sized design and highly integrated seawater portable filter, which uses magnetic suction connections and negative pressure connections to achieve rapid replacement of filter membranes and liquid collection bottles, and adapts to different liquid collection bottles through hinges to simplify the operation process.
It realizes portable operation in a narrow space, improves work efficiency, simplifies the replacement process of filter membrane and liquid collection bottle, and enhances the adaptability and portability of the device.
Smart Images

Figure CN223042518U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seawater filtration, in particular to a portable seawater filter. Background Art
[0002] The suction filtration seawater device is a key tool in marine scientific research, especially playing an important role in solid-liquid separation fields such as marine technology, hydrology, environmental science, biology, and chemical analysis. With the progress of marine science, the application of such devices has expanded from basic suspended solid concentration measurement to more complex analysis of suspended particle components and isotope determination, etc. However, in actual suction filtration operations, there are still some problems. For example, during the suction filtration process, once the liquid collection bottle is full, the operation must be stopped to empty the bottle, which leads to an interruption in the work process. The suction filtration device is complex and cumbersome to install, and its volume is huge and inconvenient to carry.
[0003] A portable surface water suction filtration device disclosed in Application No. 202221841282.4, in the technical field of water sample suction filtration parts, especially relates to a portable surface water suction filtration device, including a vacuum air pump, a suction filtration cup, a liquid collection bottle, and a filter membrane; the vacuum air pump sucks air into the top inside the liquid collection bottle through an air inlet pipe; the suction filtration cup conveys the water sample to be tested into the liquid collection bottle through a liquid guide pipe; the filter membrane is installed inside the suction filtration cup, and the filter membrane is used to filter the water sample to be tested conveyed by the suction filtration cup; the suction filtration cup includes a cup body and a cup bottom, and a water passing groove for the water sample to flow through is opened on the cup bottom, and the filter membrane is hermetically installed on the water passing groove; one side of the bottom of the cup body is hinged to the cup bottom, and the other side is detachably connected to the cup bottom through a locking member. The cup body and the cup bottom can be turned over and opened or turned over and closed through rotation, which can facilitate the monitoring personnel to complete the replacement work of the filter membrane.
[0004] A portable surface water suction filtration device disclosed in Application No. 202221841282.4 realizes portable suction filtration to a certain extent, but it still has the following disadvantages:
[0005] The suction filtration device has a large volume, occupies a large area, and most of its accessories are exposed, with low integration and easy to be damaged, which is inconvenient to carry out;
[0006] The replacement method of the filter membrane is fixed by bolts, which is not easy to replace the filter membrane, the operation is complex, the liquid collection bottle is fixed by a threaded method, and the speed of replacing the liquid collection bottle is slow, resulting in low work efficiency.
[0007] In view of the above deficiencies in the prior art, the present application hereby proposes a portable seawater filter. Utility Model Content
[0008] The purpose of the utility model is to solve the defects existing in the prior art, and a portable seawater filter is proposed.
[0009] To achieve the above object, the utility model adopts the following technical solutions:
[0010] A portable seawater filter, comprising a chassis, wherein a suction pump and a safety bottle are arranged inside the chassis, and the suction pump is connected to the safety bottle;
[0011] A second fastening bracket is movably installed on the front side of the chassis through a hinge, the second fastening bracket is connected to a first fastening bracket through a hinge, the front end of the first fastening bracket is detachably installed with a suction filter base through a fastening hoop and a bolt, a suction filter cup is magnetically connected to the upper side of the suction filter base, and a filter membrane is placed at the docking position of the suction filter base and the suction filter cup, and a liquid collecting bottle is negatively pressure-connected below the suction filter base;
[0012] An air outlet, a power socket and a safety bottle overflow outlet are arranged on the rear side of the chassis, and a clamping valve is arranged at the bottom of the safety bottle and is connected to the safety bottle overflow outlet;
[0013] A pressure gauge is further installed on the side of the chassis;
[0014] There are two openings in the upper part of the safety bottle. One of the openings in the upper part of the safety bottle is an opening with a protection device, and the other opening in the upper part of the safety bottle is an outlet and is connected to an air suction hose. The air suction hose is connected to a three-way valve. One through hole of the three-way valve is connected to the air outlet, the other through hole is connected to the pressure gauge, and the air suction hose is screwed and connected to the suction filter base.
[0015] Further, a switch, a pressure regulating knob and a handle are installed on the upper side of the chassis, and bottom corners are installed at the bottom of the chassis.
[0016] Further, the switch, the pressure gauge, the air outlet, the power socket and the safety bottle overflow outlet are installed on the chassis through buckles.
[0017] Further, the pressure regulating knob is installed on the chassis through a nut.
[0018] Further, the handle and the bottom corners are installed on the chassis through screws.
[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0020] 1. The utility model is smaller in volume and higher in integration degree, and can meet the operation requirements in extremely narrow spaces.
[0021] 2. The first fastening bracket and the second fastening bracket in the utility model adopt two-stage hinges, which can adjust the height to adapt to the heights of different liquid collecting bottles.
[0022] 3. The suction filter cup and the suction filter base in the utility model adopt magnetic connection, which is convenient for replacing the filter membrane.
[0023] 4. In the present utility model, the suction filtration base and the liquid collection bottle are connected by negative pressure, which facilitates the quick replacement of the liquid collection bottle, has a strong universality for the liquid collection bottle, and is easy to be compatible with more sizes of liquid collection bottles. Description of the Drawings
[0024] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model.
[0025] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0026] Figure 2 It is a top view of the installation at the fastening hoop, the first fastening bracket, and the second fastening bracket;
[0027] Figure 3 It is a rear view of the chassis in the present utility model.
[0028] In the figure: 1 chassis, 2 switch, 3 pressure regulating knob, 4 handle, 5 suction filtration cup, 6 suction filtration base, 7 air extraction hose, 8 hinge, 9 fastening hoop, 10 first fastening bracket, 11 second fastening bracket, 12 pressure gauge, 13 bottom corner, 14 bolt, 15 liquid collection bottle, 16 air outlet hole, 17 power supply jack, 18 safety bottle overflow outlet. Detailed Embodiment
[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model;
[0030] Refer to Figures 1-3 , a portable seawater filter, including a chassis 1. A suction filtration pump and a safety bottle are arranged inside the chassis 1, and the suction filtration pump is connected to the safety bottle;
[0031] A second fastening bracket 11 is movably installed on the front side of the chassis 1 through a hinge 8. The second fastening bracket 11 is connected to a first fastening bracket 10 through a hinge 8. The front end of the first fastening bracket 10 is detachably installed with a suction filtration base 6 through a fastening hoop 9 and a bolt 14. A suction filtration cup 5 is magnetically connected to the upper side of the suction filtration base 6, and a filter membrane is placed at the docking part of the suction filtration base 6 and the suction filtration cup 5. The lower part of the suction filtration base 6 is negatively pressure-connected to a liquid collection bottle 15;
[0032] An air outlet hole 16, a power supply jack 17, and a safety bottle overflow outlet 18 are arranged on the rear side of the chassis 1. There is a clamping valve at the bottom of the safety bottle and it is connected to the safety bottle overflow outlet 18;
[0033] A pressure gauge 12 is also installed on the side of the chassis 1;
[0034] There are two openings in the upper part of the safety bottle. One of the openings in the upper part of the safety bottle is an opening with a protection device, and the other opening in the upper part of the safety bottle is an outlet and is connected to an air extraction hose 7. The air extraction hose 7 is connected to a three-way valve. One of the through holes of the three-way valve is connected to an air outlet 16, and the other through hole is connected to a pressure gauge 12. The air extraction hose 7 is screwed and connected to the suction filtration base 6.
[0035] A switch 2, a pressure regulating knob 3, and a handle 4 are installed on the upper side of the chassis 1, and a bottom corner 13 is installed at the bottom of the chassis 1. The switch 2, the pressure gauge 12, the air outlet 16, the power supply jack 17, and the safety bottle overflow port 18 are installed on the chassis 1 through buckles. The pressure regulating knob 3 is installed on the chassis 1 through a nut. The handle 4 and the bottom corner 13 are installed on the chassis 1 through screws.
[0036] Specific working process: The air extraction is carried out by an air extraction pump inside the chassis 1. The air extraction pump is connected to the safety bottle inside the chassis 1. There are two openings in the upper part of the safety bottle and a clamping valve opening at the bottom is connected to the safety bottle overflow port 18. One of the upper openings is an inlet with a protection device, and the other upper opening is an outlet connected to the air extraction hose 7. The air extraction hose is connected to a three-way valve. One of the through holes of the three-way valve is connected to the air outlet 16, and the other through hole is connected to the pressure gauge 12. The air extraction hose 7 coming out of the pressure gauge 12 is screwed onto the suction filtration base 6 for suction filtration. The filter membrane is placed between the suction filtration cup 5 and the suction filtration base 6. The suction filtration cup 5 and the suction filtration base 6 are magnetically connected. Then the sample to be suction filtered is poured into the suction filtration cup 5 for suction filtration.
Claims
1. A portable seawater filter, comprising a housing (1), characterized in that: A suction pump and a safety bottle are arranged inside the chassis (1), and the suction pump is connected to the safety bottle; A second fastening bracket (11) is movably mounted on the front side of the chassis (1) via a hinge (8); the second fastening bracket (11) is connected to the first fastening bracket (10) via a hinge (8); a filter seat (6) is detachably mounted on the front end of the first fastening bracket (10) via a fastening clamp (9) and a bolt (14); a filter cup (5) is magnetically connected to the upper side of the filter seat (6); a filter membrane is placed at the joint between the filter seat (6) and the filter cup (5); and a liquid collecting bottle (15) is negatively pressure-jointed at the lower side of the filter seat (6); The rear side of the chassis (1) is provided with an air outlet (16), a power socket (17) and a safety bottle overflow port (18); the bottom of the safety bottle is provided with a clamping valve connected to the safety bottle overflow port (18); A pressure gauge (12) is also installed on the side of the chassis (1); The safety bottle has two openings on the top, one of which is provided with a protective device, and the other is an outlet hole connected to a vacuum hose (7). The vacuum hose (7) is connected to a three-way valve, one of which is connected to the outlet hole (16) and the other is connected to a pressure gauge (12). The vacuum hose (7) is screwed and connected to the filter seat (6).
2. A portable seawater filter according to claim 1, characterized in that: A switch (2), a voltage adjustment knob (3), and a handle (4) are installed on the upper side of the chassis (1), and a bottom angle (13) is installed on the bottom of the chassis (1).
3. A portable seawater filter according to claim 2, characterized in that: The switch (2), the pressure gauge (12), the air outlet (16), the power socket (17), and the safety bottle overflow port (18) are mounted on the chassis (1) by means of snaps.
4. A portable seawater filter according to claim 2, characterized in that: The voltage regulating knob (3) is mounted on the chassis (1) via a nut.
5. A portable seawater filter according to claim 2, characterized in that: The handle (4) and the bottom corner (13) are mounted on the chassis (1) by means of screws.
Citation Information
Patent Citations
Portable surface water suction filtration device
CN217662577U