CN213779616U - Water quality sampler - Google Patents
Water quality sampler Download PDFInfo
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- CN213779616U CN213779616U CN202022886265.XU CN202022886265U CN213779616U CN 213779616 U CN213779616 U CN 213779616U CN 202022886265 U CN202022886265 U CN 202022886265U CN 213779616 U CN213779616 U CN 213779616U
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Abstract
The utility model relates to a water quality sampler, which comprises a water collecting unit and a negative pressure generating unit; the water collecting unit comprises a water collecting bottle and a ventilation chamber, the water collecting bottle is detachably connected with the ventilation chamber through a connecting structure, the lower end of the water collecting bottle is downwards provided with a water inlet, a one-way water inlet valve is installed at the water inlet, a through hole for communicating the water collecting bottle with the ventilation chamber is arranged on the connecting structure in a penetrating mode, a one-way air inlet valve is installed at the through hole, and a one-way air outlet valve is installed at the upper portion of the ventilation chamber; the negative pressure generating unit comprises a box body, a rubber suction head is installed in the box body, the box body is fixedly connected with the upper end of the air exchange chamber, a through hole is formed in the upper end of the air exchange chamber in a penetrating mode, the air inlet and outlet end of the rubber suction head is communicated with the through hole and is fixedly installed in the through hole, and an extruding mechanism used for extruding the rubber suction head is installed in the box body. The utility model has the advantages of negative pressure adsorption, high absorption efficiency and wide application range.
Description
Technical Field
The utility model relates to a sampler technical field especially relates to a water quality sampler.
Background
In recent years, surface water pollution is more and more serious due to the influence of human activities, and normal production and life of human beings are threatened, so that sampling and water quality analysis are often needed to be carried out on rivers, lakes, discharge ports, monitoring wells and the like. At present, water sample collection mainly includes multiple modes such as artifical handheld, unmanned aerial vehicle or unmanned ship sample, machinery extraction.
Present portable water sample collection system who has more problem or defect: firstly, when a sewage sample is manually collected by hand, hands of workers are easily polluted by sewage, and simultaneously, the water sample is easily spilled in the water sampling process and is easily mixed with impurities, so that the water quality determination is influenced; secondly, when a large amount of floating objects exist in the water body, the sampling can be blocked and polluted, and the water body has certain limitation on the water area environment; thirdly, the linkage equipment in the complex mechanical sampling mechanism is easy to break down, and the normal use is influenced.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve is how to provide a negative pressure and adsorb, absorb efficient, the wide quality of water sampler of application range.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a water quality sampler comprises a water collecting unit and a negative pressure generating unit; the water collecting unit comprises a water collecting bottle and a ventilation chamber, the water collecting bottle is detachably connected with the ventilation chamber through a connecting structure, the lower end of the water collecting bottle is downwards provided with a water inlet, a one-way water inlet valve is installed at the water inlet, a through hole for communicating the water collecting bottle with the ventilation chamber is arranged on the connecting structure in a penetrating mode, a one-way air inlet valve is installed at the through hole, and a one-way air outlet valve is installed at the upper portion of the ventilation chamber; the negative pressure generating unit comprises a box body, a rubber suction head is installed in the box body, the box body is fixedly connected with the upper end of the air exchange chamber, a through hole is formed in the upper end of the air exchange chamber in a penetrating mode, the air inlet and outlet end of the rubber suction head is communicated with the through hole and is fixedly installed in the through hole, and an extruding mechanism used for extruding the rubber suction head is installed in the box body.
Like this, this water quality sampler is hand-held type's sampler, before taking a sample, extrude the room of taking a breath through the gas of extrusion mechanism in with rubber suction head, and discharge through one-way air outlet valve, later handheld sampler, place the water-collecting bottle in aqueous, extrusion mechanism removes the extrusion to rubber suction head, rubber suction head is because elasticity resets, and water is when getting into the water-collecting bottle, produce the extrusion force to the gas in the water-collecting bottle, make in the gas in the water-collecting bottle gets into rubber suction head through one-way admission valve, can make water entering water-collecting bottle like this. After the water intaking was accomplished, through with water collecting bottle and connection structure separation, pour the water in the water collecting bottle to can directly clear up, reduce the interference to next sample, improve the accuracy.
Wherein, extrusion mechanism includes the lead screw case of fixed mounting in the inside upper end of box, positive and negative lead screw is installed through the bearing rotation in the lead screw incasement, positive and negative lead screw's both ends all connect the cooperation soon and have the nut, the lower extreme of lead screw case is provided with rectangular hole, the nut passes through connecting block fixedly connected with stripper plate, connecting block sliding fit is in rectangular downthehole, box outside fixed mounting has waterproof motor, waterproof motor's output shaft passes the one end fixed connection of box and lead screw case and positive and negative lead screw, rechargeable battery is installed to the box upper end. The waterproof motor drives the positive and negative screw rods to rotate, and then the extrusion plate is driven by the nut to extrude or release the extrusion of the rubber suction head. The rechargeable battery supplies power for the waterproof motor, installs the control box on the box, installs the PLC controller in the control box, and the PLC controller is connected with corotation button and upset button outward, the PLC controller is connected with the waterproof motor.
Wherein, a handle is fixedly arranged at the upper end of the box body. Is convenient to carry.
The connecting structure comprises a connecting disc, the upper end and the lower end of the connecting disc are respectively provided with an external thread cylinder in a protruding mode, the upper end of the water collecting bottle and the lower end of the air exchange chamber are respectively in threaded connection with the external thread cylinders, and the connecting disc is opposite to the upper end of the water collecting bottle and the lower end of the air exchange chamber and is respectively and fixedly provided with a sealing pad. Through connection structure, conveniently connect and dismantle, sealed the sealed better sealed of pad.
And the outer side of the air exchange chamber is fixedly provided with an annular floating plate, and the annular floating plate is positioned below the one-way air outlet valve. Utilize the kickboard to support whole sampler, avoid one-way air outlet valve to get into the aquatic, the convenience of operation when simultaneously can improving the sample.
To sum up, the utility model has the advantages of the negative pressure adsorbs, absorbs efficiently, application range is wide.
Drawings
Fig. 1 is a schematic structural diagram of a water quality sampler according to the present invention.
Fig. 2 is an internal sectional view of fig. 1.
Fig. 3 is an enlarged schematic view of the connection structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-3, a water quality sampler comprises a water collecting unit and a negative pressure generating unit; the water collecting unit comprises a water collecting bottle 1 and a ventilation chamber 2, the water collecting bottle and the ventilation chamber are detachably connected through a connecting structure 3, a water inlet 4 is formed in the lower end of the water collecting bottle downwards, a one-way water inlet valve 5 is installed at the water inlet, a through hole for communicating the water collecting bottle and the ventilation chamber is arranged on the connecting structure in a penetrating mode, a one-way air inlet valve 6 is installed at the through hole, and a one-way air outlet valve 7 is installed at the upper portion of the ventilation chamber; the negative pressure generating unit comprises a box body 8, a rubber suction head 9 is installed in the box body, the box body 8 is fixedly connected with the upper end of the air exchange chamber 2, a through hole is formed in the upper end of the air exchange chamber 2 in a penetrating mode, the air inlet and outlet end of the rubber suction head 9 is communicated with the through hole and is fixedly installed in the through hole, and an extrusion mechanism used for extruding the rubber suction head 9 is installed in the box body 8.
Like this, this water quality sampler is hand-held type's sampler, before taking a sample, extrude the room of taking a breath through the gas of extrusion mechanism in with rubber suction head, and discharge through one-way air outlet valve, later handheld sampler, place the water-collecting bottle in aqueous, extrusion mechanism removes the extrusion to rubber suction head, rubber suction head is because elasticity resets, and water is when getting into the water-collecting bottle, produce the extrusion force to the gas in the water-collecting bottle, make in the gas in the water-collecting bottle gets into rubber suction head through one-way admission valve, can make water entering water-collecting bottle like this. After the water intaking was accomplished, through with water collecting bottle and connection structure separation, pour the water in the water collecting bottle to can directly clear up, reduce the interference to next sample, improve the accuracy.
Wherein, extrusion mechanism includes the lead screw case of fixed mounting in the inside upper end of box, positive and negative lead screw 10 is installed through the bearing rotation in the lead screw incasement, the both ends of positive and negative lead screw all connect the cooperation soon and have the nut, the lower extreme of lead screw case is provided with rectangular hole, the nut passes through connecting block fixedly connected with stripper plate 11, connecting block sliding fit is in rectangular downthehole, box outside fixed mounting has waterproof motor 12, waterproof motor's output shaft passes the one end fixed connection of box and lead screw case and positive and negative lead screw, chargeable call is installed to the box upper end. The waterproof motor drives the positive and negative screw rods to rotate, and then the extrusion plate is driven by the nut to extrude or release the extrusion of the rubber suction head. The rechargeable battery supplies power for the waterproof motor, installs the control box on the box, installs the PLC controller in the control box, and the PLC controller is connected with corotation button and upset button outward, the PLC controller is connected with the waterproof motor.
Wherein, a handle 13 is fixedly arranged at the upper end of the box body. Is convenient to carry.
The connecting structure comprises a connecting disc 14, the upper end and the lower end of the connecting disc are respectively provided with an external thread cylinder 15 in a protruding mode, the upper end of the water collecting bottle and the lower end of the air exchanging chamber are respectively in threaded connection with the external thread cylinders, and sealing gaskets are respectively fixedly installed on the connecting disc, right opposite to the upper end of the water collecting bottle and the lower end of the air exchanging chamber. Through connection structure, conveniently connect and dismantle, sealed the sealed better sealed of pad.
And an annular floating plate 16 is fixedly arranged on the outer side of the air exchange chamber, and is positioned below the one-way air outlet valve. Utilize the kickboard to support whole sampler, avoid one-way air outlet valve to get into the aquatic, the convenience of operation when simultaneously can improving the sample.
The principle is as follows:
this water quality sampler is hand-held type's sampler, before taking a sample, extrude the room of taking a breath through the gas of extrusion mechanism in with rubber suction head, and discharge through one-way air outlet valve, later handheld sampler, place the water-collecting bottle in aqueous, extrusion mechanism removes the extrusion to rubber suction head, rubber suction head is because elasticity resets, and water is when getting into the water-collecting bottle, produce the extrusion force to the gas in the water-collecting bottle, make in the gas in the water-collecting bottle gets into rubber suction head through one-way admission valve, can make water entering water-collecting bottle like this. After the water intaking was accomplished, through with water collecting bottle and connection structure separation, pour the water in the water collecting bottle to can directly clear up, reduce the interference to next sample, improve the accuracy.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (5)
1. A water quality sampler is characterized by comprising a water collecting unit and a negative pressure generating unit;
the water collecting unit comprises a water collecting bottle and a ventilation chamber, the water collecting bottle is detachably connected with the ventilation chamber through a connecting structure, the lower end of the water collecting bottle is downwards provided with a water inlet, a one-way water inlet valve is installed at the water inlet, a through hole for communicating the water collecting bottle with the ventilation chamber is arranged on the connecting structure in a penetrating mode, a one-way air inlet valve is installed at the through hole, and a one-way air outlet valve is installed at the upper portion of the ventilation chamber;
the negative pressure generating unit comprises a box body, a rubber suction head is installed in the box body, the box body is fixedly connected with the upper end of the air exchange chamber, a through hole is formed in the upper end of the air exchange chamber in a penetrating mode, the air inlet and outlet end of the rubber suction head is communicated with the through hole and is fixedly installed in the through hole, and an extruding mechanism used for extruding the rubber suction head is installed in the box body.
2. A water quality sampler according to claim 1 wherein the extrusion mechanism comprises a screw box fixedly mounted at the upper end inside the box body, wherein a positive and a negative screws are rotatably mounted in the screw box through bearings, nuts are screwed and matched at both ends of the positive and negative screws, the lower end of the screw box is provided with a long hole, the nuts are fixedly connected with an extrusion plate through a connecting block, the connecting block is slidably matched in the long hole, a waterproof motor is fixedly mounted outside the box body, an output shaft of the waterproof motor penetrates through the box body and the screw box and is fixedly connected with one end of the positive and negative screws, and a rechargeable battery is mounted at the upper end of the box body.
3. A water quality sampler according to claim 2 wherein a handle is fixedly mounted at the upper end of the box body.
4. A water quality sampler according to claim 3 wherein the connection structure comprises a connection disc, the upper end and the lower end of the connection disc are respectively provided with an external thread cylinder in a protruding way, the upper end of the water collecting bottle and the lower end of the air exchange chamber are respectively in threaded connection with the external thread cylinders, and the connection disc is respectively and fixedly provided with a sealing gasket facing the upper end of the water collecting bottle and the lower end of the air exchange chamber.
5. A water quality sampler according to claim 4 wherein an annular floating plate is fixedly mounted on the outer side of the air exchange chamber and is positioned below the one-way air outlet valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022886265.XU CN213779616U (en) | 2020-12-04 | 2020-12-04 | Water quality sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022886265.XU CN213779616U (en) | 2020-12-04 | 2020-12-04 | Water quality sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213779616U true CN213779616U (en) | 2021-07-23 |
Family
ID=76896149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022886265.XU Active CN213779616U (en) | 2020-12-04 | 2020-12-04 | Water quality sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213779616U (en) |
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2020
- 2020-12-04 CN CN202022886265.XU patent/CN213779616U/en active Active
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