CN217662577U - Portable surface water suction filtration device - Google Patents

Abstract

The application relates to the technical field of water sample suction filtration parts, in particular to a portable surface water suction filtration device which comprises a vacuum air pump, a suction filtration cup, a liquid collection bottle and a filtration membrane; the vacuum air pump pumps air from the top of the interior of the liquid collecting bottle through an air inlet pipe; the suction filter cup is used for infusing a water sample to be detected into the liquid collection bottle through the liquid guide pipe; the filtering membrane is arranged inside the suction cup and is used for filtering the water sample to be detected conveyed by the suction cup; the suction filtration cup comprises a cup body and a cup bottom, a water passing groove for flowing of a water sample to be detected is formed in the cup bottom, and a filtering membrane is covered and installed in the water passing groove; one side of the bottom of the cup body is hinged with the cup bottom, and the other side of the bottom of the cup body is detachably connected with the cup bottom through a locking piece. The utility model provides a turn over through the rotation mode between cup and the bottom of cup and open or the lid that overturns closes, can be convenient for monitor accomplish the change work to filtration membrane.

Description

Portable surface water suction filtration device

Technical Field

The application relates to the technical field of water sample suction filtration pieces, in particular to a portable surface water suction filtration device.

Background

With the continuous development of economic society, people gradually realize the importance of environmental protection, the green water Qingshan is the Jinshan Yinshan, and the collection and detection of the contents of particles, organic matters and other soluble elements in water are very necessary for the water resource protection, so the requirement on related environment-friendly instruments is very urgent, a filter is mainly used in the water sample collection link, and when the related national regulations clearly stipulate that the soluble elements are measured, the collected water sample must be immediately filtered by a 0.450 mu m microporous filter membrane and then placed in a liquid collection bottle. Therefore, the inspector usually performs suction filtration collection on the water sample through a suction filtration device on site.

Patent document CN201821630222.1 discloses a portable water sample collection filter, through which a tester can perform on-site suction filtration and collection on a water sample. However, since the filter membrane in the suction filter is installed in a complicated manner, it takes too much time to replace the filter membrane in actual detection, which greatly reduces the detection efficiency. Therefore, further improvements can be made.

Disclosure of Invention

In order to facilitate the change work of monitoring personnel completion to filtration membrane, this application provides a portable surface water suction filter device.

The application provides a pair of portable surface water suction filtration device adopts following technical scheme:

a portable surface water suction filtration device comprises a vacuum air pump, a suction filtration cup, a liquid collection bottle and a filtration membrane; the vacuum air pump is used for pumping air from the top of the interior of the liquid collecting bottle through the air inlet pipe; the suction filter cup is used for infusing a water sample to be detected into the liquid collection bottle through the liquid guide pipe; the filtering membrane is arranged inside the suction cup and is used for filtering a water sample to be detected conveyed by the suction cup; the suction filtration cup comprises a cup body and a cup bottom, a water passing groove for flowing of a water sample to be detected is formed in the cup bottom, and the filtering membrane is covered and 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 of the bottom of the cup body is detachably connected with the cup bottom through a locking piece.

Through adopting above-mentioned technical scheme, when filter membrane appears the not good situation of effect because of long-time the use, the measurement personnel remove the locking between cup and the bottom of cup through the retaining member, then the cup is opened in the upset, makes measurement personnel can change filter membrane, and the cup that overturns at last is covered the pressure to filter membrane marginal portion, and locks fixedly through the retaining member to the cup. Because can overturn through the rotation mode between cup and the bottom of cup and open or the lid closes that overturns, can be convenient for monitor personnel to accomplish the change work to filtration membrane.

Optionally, the vacuum pump further comprises a safety bottle, and one end of the air inlet pipe, which is far away from the vacuum pump, penetrates through the top of the inside of the safety part; the top in the liquid collecting bottle is communicated with the top in the safety bottle through an overflow pipe.

Through adopting above-mentioned technical scheme, when normal work, the vacuum aspiration pump passes through intake pipe, safety bottle and overflow pipe and bleeds to the inside of collection liquid bottle, makes the inside negative pressure environment that can form of collection liquid bottle and accelerates the transport speed of the water sample that awaits measuring in the suction filter cup. Simultaneously, fill the water sample that awaits measuring in the collection liquid bottle and when the measurement personnel did not in time trade the bottle and handle, unnecessary water sample that awaits measuring in the collection liquid bottle then can directly flow into the safety bottle through the overflow pipe, can avoid the water sample that awaits measuring directly to damage the vacuum aspiration pump in the intake pipe flows into the vacuum pump to protect the vacuum aspiration pump.

Optionally, the locking member comprises a locking screw and a locking nut; one end of the locking screw rod is rotatably connected to one side of the bottom of the cup body, which is far away from the hinge point of the cup body, and the rotating shaft of the locking screw rod is arranged in parallel with the hinge rotating shaft of the cup body; and the locking nut is in threaded connection with one end of the locking screw rod, which is far away from the cup body.

By adopting the technical scheme, in the process of locking the cup body, a detector firstly turns over the cup body to ensure that the bottom surface of the cup body is buckled and propped against the top surface of the bottom of the cup body; then the locking screw rod is rotated to enable the locking screw rod to swing downwards to the bottom of the cup bottom, and then the locking nut is screwed up to enable the locking nut to be tightly abutted against the bottom surface of the cup bottom so as to lock the cup body.

Optionally, the liquid collecting bottle comprises a bottle body and a bottle cap; the bottle lid is the spiral cover, just the bottle lid is used for supplying catheter and overflow pipe cartridge.

By adopting the technical scheme, because the bottle cap is the screw cap, the bottle body and the bottle cap can be separated by the detection personnel through relative rotation, and the bottle body can be replaced by the detection personnel conveniently.

Optionally, a first supporting member for supporting and mounting the liquid collecting bottle is fixedly mounted on the side wall of the vacuum air pump; the first supporting piece comprises a supporting plate and a supporting rotary table, the supporting plate is fixed on the vacuum air pump, the supporting rotary table is installed on the top surface of the supporting plate in a vertical rotating mode, and a supporting support opening for inserting the liquid collecting bottle is formed in the top of the supporting rotary table.

Through adopting above-mentioned technical scheme, accomplish a collection liquid work in the collection liquid bottle and when needing to trade the bottle, the measurement personnel can rotate the bottle, makes bottle and bottle lid phase separation, then installs new empty bottle. Meanwhile, in the process of rotating the bottle body, the supporting rotary table is rotatably arranged on the supporting plate, so that the bottle body is not easy to support the inner wall of the supporting opening to rotate relatively, and the bottom of the bottle body is not easy to wear.

Optionally, a connecting plate is further fixed to the top of the supporting plate, and the side of the connecting plate is fixedly connected to the vacuum air pump.

Through adopting above-mentioned technical scheme, owing to be provided with the connecting plate, can hang to draw to consolidate the supporting plate to improve the installation stability of supporting plate.

Optionally, a second support piece for supporting and installing the bottle cap is installed on one side of the liquid collecting bottle of the vacuum air pump, and the second support piece is installed on the side face of the vacuum air pump in a sliding mode along the vertical direction.

By adopting the technical scheme, the bottle cap can move vertically in the bottle changing process, so that a detector can separate the bottle body from the bottle cap by rotating the bottle body; simultaneously, when bottle lid and bottle separation back, second support piece supports the bottle lid all the time, can liberate the measurement personnel and lift the bottle lid, and the measurement personnel of being convenient for carry out the bottle and change.

Optionally, a third supporting piece for mounting a safety bottle is mounted on the vacuum air pump; the top of the vacuum air pump is provided with a lifting belt.

Through adopting above-mentioned technical scheme, because the vacuum aspiration pump top is equipped with carries the area, make the measurement personnel can carry whole equipment through carrying to improve the portability of whole equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. because the cup body and the cup bottom can be turned over and opened or turned over and covered in a rotating mode, monitoring personnel can conveniently finish the replacement work of the filtering membrane;

2. when the vacuum suction pump works normally, the vacuum suction pump sucks air from the inside of the liquid collection bottle through the air inlet pipe, the safety bottle and the overflow pipe, so that a negative pressure environment can be formed in the liquid collection bottle to accelerate the conveying speed of a water sample to be detected in the suction cup. Meanwhile, when the liquid collecting bottle is filled with a water sample to be detected and a detection person does not perform bottle replacement treatment in time, the redundant water sample to be detected in the liquid collecting bottle can directly flow into the safety bottle through the overflow pipe, so that the situation that the water sample to be detected directly flows into the vacuum pump through the air inlet pipe to damage the vacuum air pump can be avoided, and the vacuum air pump is protected;

3. when liquid collection work is completed in the liquid collection bottle and the bottle needs to be changed, a detection person can rotate the bottle body to separate the bottle body from the bottle cap, and then a new empty bottle body is installed. Meanwhile, in the process of rotating the bottle body, the supporting rotary table is rotatably arranged on the supporting plate, so that the bottle body is not easy to support the inner wall of the supporting opening to rotate relatively, and the bottom of the bottle body is not easy to wear.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a view showing a specific structure of a suction cup in the present application.

FIG. 3 is an exploded view of the filter membrane and secondary support plate of the present application.

Fig. 4 is a view for showing a specific structure of the first support and the second support.

Fig. 5 is a view for showing a specific structure of the third support.

Description of reference numerals:

1. a vacuum pump; 11. a catheter; 12. an air inlet pipe; 13. an overflow pipe; 2. a suction cup; 21. a cup body; 22. a cup bottom; 221. passing through a water tank; 23. a hinged seat; 24. a locking member; 241. locking the screw rod; 242. locking the nut; 243. locking the rotating shaft; 244. a locking port; 25. an auxiliary supporting plate; 251. an overflowing hole; 3. a liquid collecting bottle; 31. a bottle body; 32. a bottle cap; 33. a first support; 331. a support pallet; 332. supporting the turntable; 333. a connecting plate; 34. a second support member; 341. a bottle collar; 342. a back plate; 343. a slide rail; 344. a slide base; 345. a limiting block; 4. filtering the membrane; 5. a safety bottle; 6. a third support member; 61. back hanging plates; 62. a bottom pallet; 63. positioning a plate; 64. a side plate; 7. and (5) lifting the belt.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses portable surface water suction filtration device.

Referring to fig. 1 and 2, the portable surface water suction filtration device comprises a vacuum air pump 1, a suction filtration cup 2, a liquid collection bottle 3 and a filtration membrane 4; wherein, suction filtration cup 2, collection liquid bottle 3 are all installed in 1 right sides of vacuum aspiration pump, and suction filtration cup 2 is located collection liquid bottle 3 top positions. The bottom of suction cup 2 with is passed through catheter 11 and is communicate with liquid collecting bottle 3 top, when inspection personnel filled the water sample that awaits measuring in to suction cup 2, the water sample that awaits measuring can be carried to liquid collecting bottle 3 inside through catheter 11. The filtering membrane 4 is arranged in the suction cup 2 to filter the water sample to be detected conveyed by the suction cup 2. The vacuum air pump 1 pumps air to the inside top position of the liquid collecting bottle 3 through the air inlet pipe 12, so that a negative pressure environment can be formed inside the liquid collecting bottle 3, and the conveying speed of the water sample to be detected of the suction filter cup 2 to the liquid collecting bottle 3 is accelerated.

Specifically, in this embodiment, a safety bottle 5 is further fixedly mounted on the right side of the vacuum air pump 1; wherein, one end of the air inlet pipe 12 is communicated with the negative pressure air extraction opening of the vacuum air extraction pump 1, and the other end is communicated to the top position inside the safety bottle 5. Install overflow pipe 13 between safety bottle 5 and the liquid collecting bottle 3, and overflow pipe 13 one end communicates to the inside top position of safety bottle 5, and the other end communicates to the inside top position of liquid collecting bottle 3.

Referring to fig. 1, during normal operation, the vacuum air pump 1 pumps air to the inside of the liquid collecting bottle 3 through the air inlet pipe 12, the safety bottle 5 and the overflow pipe 13, so that the inside of the liquid collecting bottle 3 can form a negative pressure environment to accelerate the conveying speed of a water sample to be detected in the suction cup 2. Simultaneously, when collecting liquid bottle 3 and being full of the water sample that awaits measuring and testing personnel do not in time trade the bottle and handle, unnecessary water sample that awaits measuring then can directly flow into safety bottle 5 through overflow pipe 13 in the collecting liquid bottle 3, can avoid the water sample that awaits measuring directly to damage vacuum aspiration pump 1 in the intake pipe 12 flows into the vacuum pump to protect vacuum aspiration pump 1.

Referring to fig. 2 and 3, in particular, in the present embodiment, the suction cup 2 includes a cup body 21 and a cup bottom 22; wherein, the cup bottom 22 is horizontally arranged, and the cup bottom 22 is fixed on the vacuum air pump 1. The cup body 21 is arranged at the top of the cup bottom 22, one side of the bottom of the cup body 21 is hinged with the cup bottom 22 through a hinge seat 23, a hinge rotating shaft of the hinge seat 23 is horizontally arranged, and a hinge axis of the hinge seat 23 is higher than the top surface of the cup bottom 22. The side of the bottom of the cup body 21 far away from the hinge seat 23 is detachably connected with the cup bottom 22 through a locking piece 24.

The middle part of the cup bottom 22 is provided with a water passing groove 221, and the top of the liquid guide tube 11 penetrates through the bottom of the water passing groove 221, so that the water sample to be detected in the suction and filtration cup 2 can flow into the liquid collecting bottle 3 through the water passing groove 221 and the liquid guide tube 11. The filter membrane 4 is installed between the cup body 21 and the cup body 21, and the filter membrane 4 covers the water passing tank 221 to filter the water sample to be measured flowing through the water passing tank 221.

When the filtering membrane 4 is used for a long time and the effect is poor, the detector releases the locking between the cup body 21 and the cup bottom 22 through the locking piece 24, then turns over to open the cup body 21, so that the detector can replace the filtering membrane 4, finally turns over the cup body 21 to cover and press the edge part of the filtering membrane 4, and locks and fixes the cup body 21 through the locking piece 24. Because can overturn through the rotation mode between cup 21 and the bottom of cup 22 and open or the upset lid closes, can be convenient for monitor to accomplish the change work to filtration membrane 4.

Referring to fig. 2, in particular, in the present embodiment, the locker 24 includes a locking screw 241 and a locking nut 242; wherein, the outside of the bottom of the cup body 21 is fixed with a locking seat on the side far away from the hinge point, and the seat is rotatably provided with a locking rotating shaft 243, and the rotating axis of the locking rotating shaft 243 is parallel to the hinge axis of the hinge seat 23. One end of the locking screw 241 is fixedly connected to the locking rotating shaft 243. Correspondingly, the cup bottom 22 is integrally formed with a locking opening 244 at a position corresponding to the locking screw 241, and an inner contour of the locking opening 244 is larger than an outer diameter of the locking screw 241, so that the locking screw 241 can be clamped to swing downwards. The locking nut 242 is connected to one end, far away from the cup body 21, of the locking screw 241, and after the locking screw 241 swings downwards and is clamped in the locking port 244, a detector locks the cup body 21 by screwing the locking nut 242.

Referring to fig. 3, in this embodiment, the auxiliary supporting plate 25 is installed in the opening of the water passing groove 221 by a sealing cover, the top of the auxiliary supporting plate 25 is flush with the top of the cup bottom 22, and the auxiliary supporting plate 25 is provided with a plurality of through holes 251 through which the water sample to be tested flows. When the sealing cover of the filtering membrane 4 is installed on the water passing groove 221, the auxiliary supporting plate 25 can assist in supporting the filtering membrane 4, so that the filtering membrane 4 is not easily punched and deformed by a water sample to be detected in the filtering cup 2 in the filtering process.

Referring to fig. 1 and 4, in particular, in the present embodiment, the liquid collecting bottle 3 includes a bottle body 31 and a bottle cap 32; wherein the bottle 31 is mounted to the vacuum pump 1 through the first support 33. The bottle cap 32 is a screw cap, the liquid guide tube 11 and the overflow tube 13 are inserted into the bottle cap 32, and the bottle cap 32 is mounted on the vacuum pump 1 through the second support member 34.

Specifically, in the present embodiment, the first support 33 includes a support pallet 331 and a support turntable 332; wherein, the supporting plate 331 is horizontally disposed, and the supporting plate 331 is fixed on the vacuum pump 1. The supporting rotary table 332 is rotatably mounted on the top of the supporting plate 331 around the vertical direction, and a supporting port for supporting and mounting the bottom of the bottle body 31 is integrally formed on the top of the supporting rotary table 332.

When the liquid collecting work is completed in the liquid collecting bottle 3 and the bottle needs to be changed, the detector can rotate the bottle body 31 to separate the bottle body 31 from the bottle cap 32, and then a new empty bottle body 31 is installed. Meanwhile, in the process of rotating the bottle body 31, the supporting rotary table 332 is rotatably mounted on the supporting plate 331, so that the bottle body 31 is not easy to support the inner wall of the support opening to rotate relatively, and the bottom of the bottle body 31 is not easy to be worn.

In this embodiment, a connection plate 333 is further installed between the support plate 331 and the vacuum suction pump 1. Specifically, the number of the connecting plates 333 is two, the two connecting plates 333 are disposed on two sides of the top of the supporting plate 331, the bottom of each connecting plate 333 is fixed to the top surface of the supporting plate 331, and the side surfaces are fixed to the vacuum pump 1.

Specifically, in this embodiment, the second support 34 includes a bottle band 341; wherein, the backplate 342 is fixed on the right side of the vacuum air pump 1, the slide rail 343 extending vertically is fixed on one side of the backplate 342 departing from the vacuum air pump 1, and the two ends of the slide rail 343 are fixed with the limit blocks 345. The slide rail 343 is provided with a slide seat 344 in a sliding manner, the bottle collar 341 is horizontally arranged, and the bottle cap 32 is fixedly connected to the slide seat 344 through a connecting plate 333, so that the bottle collar 341 can be adjusted in a sliding manner along the vertical direction. The bottle hoop 341 is circular and the inner diameter of the bottle hoop 341 is matched with the outer diameter of the bottle cap 32 to hoop the bottle cap 32, and the bottle hoop is tightly fixed by a locking screw which is connected to the bottle hoop 341 through threads.

In the bottle changing process, the bottle cap 32 can move vertically, so that a detector can separate the bottle cap 32 from the bottle body 31 by rotating the bottle body; meanwhile, after the bottle cap 32 is separated from the bottle body 31, the second supporting piece 34 supports the bottle cap 32 all the time, so that the bottle cap 32 can be lifted by detection personnel, and the bottle body 31 can be replaced by the detection personnel conveniently.

Referring to fig. 1 and 5, in particular, in the present embodiment, a safety bottle 5 is mounted to a vacuum suction pump 1 through a third support 6. The third supporting member 6 comprises a back hanging plate 61, a bottom supporting plate 62 and a positioning plate 63; wherein, back of the body link plate 61 fixed mounting is in vacuum aspiration pump 1, and bottom plate board 62 fixed mounting deviates from 1 one side bottom of vacuum aspiration pump in the back of the body link plate 61 to supply safe bottle 5 to support the installation. Locating plate 63 fixed mounting deviates from 1 one side top of vacuum aspiration pump in back of the body link plate 61, and set up the location mouth that supplies safety bottle 5 to wear to establish the cartridge on the locating plate 63 to fix a position safety bottle 5.

In the process of installing the safety bottle 5, a detector can insert the safety bottle 5 into the positioning port through the positioning port, and simultaneously the top of the safety bottle 5 is supported on the bottom supporting plate 62, so that the detector can complete the installation and replacement of the safety bottle 5.

In this embodiment, the back-hanging plate 61 deviates from the vacuum air pump 1 and is fixed with two side plates 64 on one side, two side plates 64 are distributed and arranged on the left and right sides of the back-hanging plate 61, the top of each side plate 64 is fixedly connected to the bottom surface of the positioning plate 63, and the bottom of each side plate 64 is fixed to the top surface of the bottom supporting plate 62, so as to connect and reinforce the bottom supporting plate 62 and the positioning plate 63.

Referring to fig. 1, in the present embodiment, a lifting belt 7 is disposed at the bottom of the vacuum suction pump 1, so that the whole apparatus can be carried by the detection personnel through the lifting belt 7, thereby improving the portability of the whole apparatus.

The embodiments of the present disclosure are all preferred embodiments of the present disclosure, and the protection scope of the present disclosure is not limited thereby, wherein like parts are designated by like reference numerals. Therefore: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a portable surface water suction filtration device which characterized in that: comprises a vacuum air pump (1), a suction filtration cup (2), a liquid collection bottle (3) and a filtering membrane (4); the vacuum air pump (1) pumps air from the top of the interior of the liquid collecting bottle (3) through an air inlet pipe (12); the suction filter cup (2) is used for infusing a water sample to be detected into the liquid collecting bottle (3) through the liquid guide pipe (11); the filtering membrane (4) is arranged inside the suction cup (2), and the filtering membrane (4) is used for filtering a water sample to be detected, which is conveyed by the suction cup (2); the suction filter cup (2) comprises a cup body (21) and a cup bottom (22), a water passing groove (221) for flowing of a water sample to be detected is formed in the cup bottom (22), and the filter membrane (4) is installed on the water passing groove (221) in a sealing mode; one side of the bottom of the cup body (21) is hinged to the cup bottom (22), and the other side of the bottom of the cup body is detachably connected with the cup bottom (22) through a locking piece (24).

2. The portable surface water suction filtration device according to claim 1, characterized in that: the safety device also comprises a safety bottle (5), and one end of the air inlet pipe (12) far away from the vacuum air pump (1) penetrates through the top of the inside of the safety part; the top inside the liquid collecting bottle (3) is communicated with the top inside the safety bottle (5) through an overflow pipe (13).

3. The portable surface water suction filtration device according to claim 2, characterized in that: the locking piece (24) comprises a locking screw rod (241) and a locking nut (242); one end of the locking screw rod (241) is rotatably connected to one side of the bottom of the cup body (21) away from a hinge point of the cup body (21), and a rotating shaft of the locking screw rod (241) is arranged in parallel with a hinge rotating shaft of the cup body (21); the locking nut (242) is in threaded connection with one end, far away from the cup body (21), of the locking screw rod (241).

4. The portable surface water suction filtration device according to claim 2, characterized in that: the liquid collecting bottle (3) comprises a bottle body (31) and a bottle cap (32); the bottle cap (32) is a screw cap, and the bottle cap (32) is used for inserting the liquid guide pipe (11) and the overflow pipe (13).

5. The portable surface water suction filtration device according to claim 4, characterized in that: a first supporting piece (33) for supporting and mounting the liquid collecting bottle (3) is fixedly mounted on the side wall of the vacuum air pump (1); the first supporting piece (33) comprises a supporting plate (331) and a supporting rotary table (332), the supporting plate (331) is fixed on the vacuum air pump (1), the supporting rotary table (332) is installed on the top surface of the supporting plate (331) in a vertical rotating mode, and a supporting support opening for inserting the liquid collecting bottle (3) is formed in the top of the supporting rotary table (332).

6. The portable surface water suction filtration device according to claim 5, characterized in that: the top of the supporting plate (331) is also fixedly provided with a connecting plate (333), and the side surface of the connecting plate (333) is fixedly connected with the vacuum air pump (1).

7. The portable surface water suction filtration device according to claim 6, characterized in that: and a second support piece (34) for supporting and mounting a bottle cap (32) is mounted on one side of the vacuum air pump (1) where the liquid collecting bottle (3) is mounted, and the second support piece (34) is vertically and slidably mounted on the side surface of the vacuum air pump (1).

8. The portable surface water suction filtration device according to claim 7, characterized in that: a third supporting piece (6) for mounting a safety bottle (5) is mounted on the vacuum air pump (1); the top of the vacuum air pump (1) is provided with a lifting belt (7).

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