CN213456259U - Novel portable air bag pump for underground water sampling - Google Patents
Novel portable air bag pump for underground water sampling Download PDFInfo
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- CN213456259U CN213456259U CN202022436802.0U CN202022436802U CN213456259U CN 213456259 U CN213456259 U CN 213456259U CN 202022436802 U CN202022436802 U CN 202022436802U CN 213456259 U CN213456259 U CN 213456259U
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Abstract
The utility model discloses a novel portable gasbag pump for groundwater sampling, include: the pump body is provided with an air transmission port penetrating into the pump body; an airbag provided inside the pump body; openings at two ends of the air bag are respectively connected with a water inlet arranged at the bottom end of the pump body and a water outlet arranged at the top end of the pump body so as to form a water flow path which flows out from the water inlet through the air bag and then from the water outlet; the bead valves are two spheres which are respectively arranged on the water inlet and the water outlet; the bead valve covers the water inlet or the water outlet and moves up and down with a gap between the bead valve and the water inlet or the water outlet, so that the water inlet or the water outlet is opened or closed. It is through being connected with intake pipe and outlet pipe, can realize overall process air and water sample contactless, and the well-flushing water yield that significantly reduces simultaneously has the advantage of low discharge, low speed, low disturbance.
Description
Technical Field
The utility model relates to a groundwater sampling equipment technical field, in particular to a novel portable gasbag pump for groundwater sampling.
Background
When sampling and detecting volatile organic compounds in groundwater, in order to improve the accuracy of detection, need minimize the disturbance to groundwater, air and water sample contact should be avoided simultaneously, among the current water sample collection device, adopt suction pump or bailer pipe to carry out the collection of water sample more, but the use of suction pump can lead to the fact great disturbance to groundwater, and the bailer pipe needs manual operation, not only there is sampling time long, the low scheduling problem of sampling efficiency, still make air and water sample contact easily, cause the loss of aquatic volatile organic compounds, lead to the testing result inaccurate.
Therefore, there is a need for a low-flow-rate and non-disturbance underground water well-flushing and sampling device to ensure the accuracy of the detection result of the water sample.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses it is still another purpose to provide a novel portable gasbag pump for groundwater sampling, through being connected with intake pipe and outlet pipe, can realize overall process air and water sample contactless, the well-flushing water yield that significantly reduces simultaneously, and has low discharge, low speed, the advantage of no disturbance.
To achieve these objects and other advantages in accordance with the purpose of the invention, a novel portable air bag pump for groundwater sampling is provided, including:
the pump body is provided with an air transmission port penetrating into the pump body;
an airbag provided inside the pump body; openings at two ends of the air bag are respectively connected with a water inlet arranged at the bottom end of the pump body and a water outlet arranged at the top end of the pump body so as to form a water flow path which flows out from the water inlet through the air bag and then from the water outlet;
the bead valves are two spheres which are respectively arranged on the water inlet and the water outlet; the bead valve covers the water inlet or the water outlet and moves up and down with a gap between the bead valve and the water inlet or the water outlet, so that the water inlet or the water outlet is opened or closed.
Preferably, in the novel portable air bag pump for groundwater sampling, the air delivery port is externally connected with an air pump.
Preferably, in the novel portable bladder pump for groundwater sampling, the bladder has compressibility so as to expand or contract according to the amount of the internal water.
Preferably, in the novel portable air bag pump for groundwater sampling, grooves for accommodating the bead valves are arranged on the water inlet and the water outlet.
Preferably, in the novel portable air bag pump for groundwater sampling, the pump body is integrally formed by 316 stainless steel; the whole body of the air bag is made of Teflon material.
Preferably, in the novel portable air bag pump for groundwater sampling, the capacity of the air bag is 120-180 mL.
Preferably, in the novel portable air bag pump for groundwater sampling, a hollow baffle plate for limiting the moving distance of the ball valve is arranged on the groove.
Preferably, the novel portable air bag pump for groundwater sampling, encircle the inner wall interval of recess is even to be provided with many storage tanks, the fretwork baffle is with the outer fringe embedding mode in the storage tank, detachable set up in arbitrary the storage tank.
The utility model discloses at least, include following beneficial effect:
the utility model discloses a novel portable gasbag pump for groundwater sampling is when using, the intake pipe that will connect the air pump is connected with the gas transmission mouth on the pump body, outlet pipe and the delivery port on the pump body that will connect the water quality monitoring unit are connected, then arrange the pump body below the surface of water in the groundwater well, the pump body makes the pearl valve on the water body with the water inlet open because of the water pressure in the well, inside rivers are inside by the slow entering gasbag of pump body water inlet, along with the inflation of gasbag, the gas transmission mouth outwards loses heart, when the gasbag inflation is to the maximum, utilize the air pump to let in the air in to the pump body, the gasbag receives the pressure contraction of air, the pearl valve that is located the delivery port is opened by rivers, make rivers in the gasbag flow into in the water quality monitoring unit through the outlet pipe, thereby the collection. In the whole process of collecting a water sample, water flow only passes through the water inlet, the air bag and the water outlet and does not contact with the air delivery port on the air bag external pump body and the pump body, zero contact of the whole sampling process and air is achieved, the air bag is fed water slowly from the water inlet under the pressure of a water body, compared with the existing water pumping device, the water flow speed is slower and milder, low flow and low speed of water sample collection are achieved, disturbance to underground water in the water sample collection process is effectively avoided, and accuracy of a detection result is guaranteed.
Through the novel portable air bag pump that the pump body, gasbag to and the pearl valve is constituteed, do not have mechanical parts in the structure, not only preparation low cost, and effectively reduced the damage probability of air bag pump to make the maintenance frequency low, be fit for laying under water for a long time.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a structural diagram of the novel portable air bag pump for groundwater sampling according to the present invention when water is fed;
fig. 2 is a structural diagram of the novel portable air bag pump for groundwater sampling when water is discharged.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 and 2, the utility model provides a novel portable air bag pump for groundwater sampling, include: the pump body 100 is provided with an air transfer port 101 penetrating into the pump body 100.
An airbag 200 provided inside the pump body 100; openings at two ends of the airbag 200 are respectively connected with a water inlet 102 arranged at the bottom end of the pump body 100 and a water outlet 103 arranged at the top end of the pump body 100, so as to form a water flow path from the water inlet 102, through the airbag 200, and out of the water outlet 103.
The bead valves 300 are two spheres respectively arranged on the water inlet 102 and the water outlet 103; the bead valve 300 covers the water inlet 102 or the water outlet 103 and moves up and down with a gap between the bead valve and the water inlet 102 or the water outlet 103, so that the water inlet 102 or the water outlet 103 is opened or closed.
In the above scheme, a novel portable gasbag pump for groundwater sampling when using, the intake pipe that will connect the air pump is connected with the gas transmission mouth on the pump body, the outlet pipe that will connect the water quality monitoring unit is connected with the delivery port on the pump body, then place the pump body in groundwater well below the surface of water, the pump body makes the water push open the pearl valve on the water inlet because of the water pressure in the well, rivers are inside by the slow entering gasbag of pump body water inlet, along with the inflation of gasbag, the gas transmission mouth outwards loses heart, when the gasbag expands to the at utmost, utilize the air pump to let in to the pump body gas, along with the increase of gaseous in the pump body, the gasbag receives gaseous pressure contraction, the pearl valve that is located the delivery port is pushed open by rivers, make rivers in the gasbag flow into in the water quality monitoring unit by the delivery port through the outlet pipe, thereby the collection of. In the whole process of collecting a water sample, water flow only passes through the water inlet, the air bag and the water outlet and does not contact with the air delivery port on the air bag external pump body and the pump body, zero contact of the whole sampling process and air is achieved, the air bag is fed water slowly from the water inlet under the pressure of a water body, compared with the existing water pumping device, the water flow speed is slower and milder, low flow and low speed of water sample collection are achieved, disturbance to underground water in the water sample collection process is effectively avoided, and accuracy of a detection result is guaranteed.
Through the novel portable air bag pump that the pump body, gasbag to and the pearl valve is constituteed, do not have mechanical parts in the structure, not only preparation low cost, and effectively reduced the damage probability of air bag pump to make the maintenance frequency low, be fit for laying under water for a long time.
In a preferred embodiment, the air delivery port 101 is externally connected with an air pump.
In the above scheme, through the connection of gas transmission mouth and air pump for when filling water in the gasbag, can borrow in the pump body to let in gas by the air pump, in order to make the water sample in the gasbag flow out by the delivery port through the change of the internal atmospheric pressure of pump body.
In a preferred embodiment, the bladder 200 has a compressibility to expand or contract with the amount of water inside.
In the scheme, the compressible air bag is arranged, so that the air bag can store water and discharge water along with the change of the pressure in the pump body.
In a preferable scheme, grooves 104 for accommodating the bead valves 300 are arranged on the water inlet 102 and the water outlet 103.
In the above scheme, through the setting of recess for the pearl valve is inseparabler to the sealed of water inlet or delivery port, and then improves sampling efficiency.
In a preferred embodiment, the pump body 100 is integrally formed from 316 stainless steel; the entire body of the airbag 200 is made of teflon.
In the scheme, the pump body made of the 316 stainless steel through integral molding has firm and durable structure and no pollution to water quality; the air bag made of Teflon material has stable structure, is durable, is clean and sanitary, and does not affect the water quality of underground water.
In a preferred embodiment, the volume of the balloon 200 is 120-180 mL.
In a preferable scheme, a hollowed-out baffle 105 for limiting the moving distance of the ball valve 300 is arranged on the groove 104.
In the above scheme, through the setting of fretwork baffle, can make the displacement of pearl valve obtain the restriction to effectual restriction rivers get into the gasbag by the water inlet or by the velocity of flow that the delivery port flowed out the gasbag, guarantee the low-speed nature that the water sample was collected, improved the quality of water sample.
In a preferred embodiment, a plurality of accommodating grooves 106 are uniformly arranged around the inner wall of the groove 104 at intervals, and the hollow baffle 105 is detachably disposed in any one of the accommodating grooves 106 in a manner that the outer edge thereof is embedded in the accommodating groove 106.
In the above scheme, through the cooperation of storage tank and fretwork baffle for the velocity of water flow of delivery port and water inlet can carry out nimble regulation according to the sample environment of difference and sample requirement.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. A novel portable air bag pump for groundwater sampling, comprising:
the pump body is provided with an air transmission port penetrating into the pump body;
an airbag provided inside the pump body; openings at two ends of the air bag are respectively connected with a water inlet arranged at the bottom end of the pump body and a water outlet arranged at the top end of the pump body so as to form a water flow path which flows out from the water inlet through the air bag and then from the water outlet;
the bead valves are two spheres which are respectively arranged on the water inlet and the water outlet; the bead valve covers the water inlet or the water outlet and moves up and down with a gap between the bead valve and the water inlet or the water outlet, so that the water inlet or the water outlet is opened or closed.
2. A novel portable air bag pump for groundwater sampling as claimed in claim 1, wherein the gas transmission port is externally connected with a gas pump.
3. A novel portable bladder pump for groundwater sampling as claimed in claim 1, wherein the bladder has compressibility to expand or contract with the amount of internal water.
4. A novel portable air bag pump for groundwater sampling as claimed in claim 1, wherein the water inlet and the water outlet are each provided with a groove for receiving the ball valve.
5. A novel portable air bag pump for groundwater sampling as claimed in claim 1, wherein the pump body is integrally formed of 316 stainless steel; the whole body of the air bag is made of Teflon material.
6. A novel portable balloon pump for groundwater sampling as claimed in claim 1, wherein the balloon has a capacity of 120-.
7. The novel portable air bag pump for groundwater sampling as claimed in claim 4, wherein a hollowed-out baffle plate for limiting the moving distance of the ball valve is arranged on the groove.
8. A novel portable air bag pump for groundwater sampling as claimed in claim 7, wherein a plurality of receiving grooves are provided at regular intervals around the inner wall of the groove, the hollow baffle is detachably provided in any one of the receiving grooves in such a manner that the outer edge thereof is embedded in the receiving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436802.0U CN213456259U (en) | 2020-10-28 | 2020-10-28 | Novel portable air bag pump for underground water sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436802.0U CN213456259U (en) | 2020-10-28 | 2020-10-28 | Novel portable air bag pump for underground water sampling |
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| Publication Number | Publication Date |
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| CN213456259U true CN213456259U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022436802.0U Active CN213456259U (en) | 2020-10-28 | 2020-10-28 | Novel portable air bag pump for underground water sampling |
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| CN (1) | CN213456259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519897A (en) * | 2023-05-05 | 2023-08-01 | 吉林工程技术师范学院 | Aquatic pollutant detection device |
| CN116773273A (en) * | 2023-08-21 | 2023-09-19 | 山东好加旺生物科技有限公司 | Anti-pollution food detection sampling device |
-
2020
- 2020-10-28 CN CN202022436802.0U patent/CN213456259U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519897A (en) * | 2023-05-05 | 2023-08-01 | 吉林工程技术师范学院 | Aquatic pollutant detection device |
| CN116519897B (en) * | 2023-05-05 | 2024-04-12 | 吉林工程技术师范学院 | Aquatic pollutant detection device |
| CN116773273A (en) * | 2023-08-21 | 2023-09-19 | 山东好加旺生物科技有限公司 | Anti-pollution food detection sampling device |
| CN116773273B (en) * | 2023-08-21 | 2023-10-20 | 山东好加旺生物科技有限公司 | Anti-pollution food detection sampling device |
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