CN114878244B - Hydrogeology investigation groundwater depthkeeping sampling device - Google Patents
Hydrogeology investigation groundwater depthkeeping sampling device Download PDFInfo
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- CN114878244B CN114878244B CN202210601873.2A CN202210601873A CN114878244B CN 114878244 B CN114878244 B CN 114878244B CN 202210601873 A CN202210601873 A CN 202210601873A CN 114878244 B CN114878244 B CN 114878244B
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- 238000005070 sampling Methods 0.000 title claims abstract description 52
- 239000003673 groundwater Substances 0.000 title claims abstract description 40
- 238000011835 investigation Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000306 component Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of groundwater fixed-depth sampling and sampling, and provides a groundwater fixed-depth sampling device for hydrogeology investigation, which comprises a cylinder body, a piston piece, a first cavity and a second cavity, wherein the piston piece is arranged in the cylinder body in a sliding manner, the cylinder body is internally divided into the first cavity and the second cavity, the first cavity is provided with a negative pressure source port and is used for being connected to a negative pressure source, the second cavity is provided with an opening, a plugging head is arranged at the opening and is used for plugging the opening, the channel is communicated with the outside, a telescopic collecting bag is positioned in the second cavity, one end of the telescopic collecting bag is connected with the piston piece, one end of the telescopic collecting bag is connected with the plugging head, the telescopic collecting bag is provided with a connecting port, the connecting port is communicated with the channel, and a first one-way valve is arranged in the channel, and the first one-way valve is arranged in the direction that the collected water can flow into the telescopic collecting bag but can not flow out of the telescopic collecting bag. Through the technical scheme, the technical problem that the consistency of sampling water and in-situ water needs to be improved when groundwater is sampled at fixed depth through the sampling air bag pump in the related technology is solved.
Description
Technical Field
The invention relates to the technical field of groundwater depth-fixing sampling, in particular to a groundwater depth-fixing sampling device for hydrogeology investigation.
Background
The underground water sampling technology includes sampling pump, water bucket sampler, direct in-situ underground water sampling technology, depthkeeping in-situ sampler, etc. With the increasing importance of the ecological environment department on monitoring the pollution of the underground water, the market of the underground water sampler is rising, the manufacturers of the underground water sampler are increasing, the fish-bone is mixed in the market, and especially various accessories are uneven. The underground water VOCs of the polluted land block is required to be sampled and washed, and the effects of interference elimination, low disturbance and no volatilization loss are required. The air bag pump is one of the core components of the groundwater sampler.
In the prior art, most of air bag pumps of groundwater sampler in the market store sampling water by sucking the sampling water into a plastic hose, and then delivering the sampling water through a water outlet connector, and considering that the sampling water is not polluted, the plastic hose is disposable, for example, the patent is issued by Chinese patent with the publication number of CN214742020U, and the patent name is air bag pump, namely, the mode is the mode, in the patent, although the sampling water is not influenced by the previous sampling through the replacement of the plastic hose, a penetrating pump pipe is still inserted in the plastic hose, and the pump pipe is not replaced, but is repeatedly used, if the treatment is improper, the components of the sampling water are influenced to a certain extent, so that the sampling water cannot be consistent with the in-situ water, and the precision of groundwater for hydrogeology investigation is influenced.
Disclosure of Invention
The invention provides a hydrogeology investigation groundwater depth-fixing sampling device, which solves the technical problem that the consistency of sampling water and in-situ water needs to be improved when groundwater is subjected to depth-fixing sampling through a sampling air bag pump in the related technology.
The technical scheme of the invention is as follows:
a hydrogeology investigation groundwater depth setting sampling device includes
The cylinder body is provided with a cylinder body,
The piston piece is arranged in the cylinder in a sliding way, the cylinder is divided into a first cavity and a second cavity, the first cavity is provided with a negative pressure source port and is used for being connected to a negative pressure source, the second cavity is provided with an opening,
The blocking head is arranged at the opening to block the opening and is provided with a channel which is communicated with the outside,
The telescopic collecting bag is positioned in the second cavity, one end of the telescopic collecting bag is connected with the piston piece, one end of the telescopic collecting bag is connected with the plugging head, the telescopic collecting bag is provided with a telescopic cavity, the telescopic cavity is provided with a connecting port, the connecting port is communicated with the channel,
The first one-way valve is arranged in the channel, and the direction of the first one-way valve is that collected water can flow into the telescopic collection bag but cannot flow out of the telescopic collection bag.
As a further technical proposal, also comprises
An elastic piece, which is positioned in the second cavity, one end of the elastic piece is connected with the piston piece, the other end of the elastic piece is connected with the inner wall of the second cavity and is used for providing the force of the piston piece close to the blocking head,
The guide rail is arranged on the inner wall of the cylinder body, the guide groove is formed on the piston piece, the guide rail is arranged in the guide groove,
The sealing lip is arranged on the piston piece, is in a closed ring shape and is abutted with the inner wall of the cylinder body,
The negative pressure connector is arranged on the negative pressure source port.
As a further technical proposal, also comprises
The upper limiting piece and the lower limiting piece are arranged on the inner wall of the cylinder body and are respectively positioned on two sides of the piston piece and are respectively positioned in the first cavity and the second cavity, and the sliding range of the piston piece is limited.
As a further technical scheme, the plugging head is arranged on the cylinder body in a threaded manner.
As a further technical scheme, the piston piece is round, one side close to the second cavity is provided with a first clamping groove along the radial direction, one end of the first clamping groove is closed, the other end is provided with a first inserting port,
The telescopic collection bag is close to one end of the piston piece and is provided with a first annular clamping edge, and the first clamping edge is used for entering the first clamping groove from the first inserting opening and is clamped in the first clamping groove.
As a further technical scheme, the method comprises the steps of,
The blocking head is round, one side close to the second cavity is provided with a second clamping groove along the radial direction, one end of the second clamping groove is closed, the other end of the second clamping groove is provided with a second inserting port, the second inserting port faces opposite to the first inserting port,
One end of the telescopic collection bag, which is close to the plugging head, is provided with a second annular clamping edge, the second clamping edge is used for entering the second clamping groove from the two insertion holes and being clamped in the second clamping groove,
Also included is a method of manufacturing a semiconductor device,
The jacking connector is arranged on the plugging head, is rotationally and hermetically communicated with the channel, is abutted with the connecting port to realize the communication between the telescopic cavity and the channel,
And the jacking spring is arranged in the plugging head, one end of the jacking spring acts on the plugging head, and the other end of the jacking spring acts on the jacking head to provide force for jacking the jacking head against the connecting port.
As a further technical proposal, also comprises
The second check valve is arranged on the piston member, one end of the second check valve is communicated with the first cavity, one end of the second check valve is communicated with the second cavity, and the direction of the second check valve enables gas in the second cavity to enter the first cavity, but gas in the first cavity cannot enter the second cavity.
As a further technical proposal, also comprises
The filter screen is arranged at one end of the channel communicated with the outside.
The working principle and the beneficial effects of the invention are as follows:
In the invention, when taking account of the fact that the air bag pump is utilized to carry out hydrogeological survey and collect groundwater in the prior art, the collected groundwater is contained in a disposable plastic barrel film, but a through pump pipe is inserted in the plastic hose, so that a certain influence on the components of the groundwater is unavoidable, in order to avoid the influence of the structure on the components of the sampled groundwater, the inventor designs a novel groundwater depth-fixing sampling device, not only does not need the through pump pipe to suck the groundwater, but also the sampled groundwater is taken out together with a telescopic collecting bag when the sampled groundwater is taken out again, and the sampled groundwater is not influenced by the residues of the previous collection existing at an outlet when the sampled groundwater is everywhere.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of the external top view structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure A-A of FIG. 2;
FIG. 4 is a schematic view of the cross-sectional structure B-B of FIG. 2;
FIG. 5 is a schematic view of the internal view structure of the present invention;
FIG. 6 is a schematic view of another view structure of the present invention;
In the figure: barrel (1), piston (2), first cavity (1 a), second cavity (1 b), negative pressure source mouth (1 c), opening (1 d), shutoff head (3), passageway (3 a), flexible collection bag (4), flexible chamber (4 a), connector (4 b), first check valve (5), elastic component (6), guide rail (7), guide slot (8), seal lip (9), negative pressure connector (10), go up locating part (11), lower locating part (12), first draw-in groove (2 a), first inserted hole (2 b), first card is followed (4 c), second inserted hole (3 b), second card is followed (4 d), top crimping head (13), top compression spring (14), second check valve (15), filter screen (16).
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in FIGS. 1-6, the embodiment provides a groundwater depth-fixing sampling device for hydrogeological investigation, which comprises
The cylinder body 1 is provided with a plurality of grooves,
A piston member 2 slidably disposed in the cylinder 1 to divide the inside of the cylinder 1 into a first chamber 1a and a second chamber 1b, the first chamber 1a having a negative pressure source port 1c for connection to a negative pressure source, the second chamber 1b having an opening 1d,
A blocking head 3 arranged at the opening 1d for blocking the opening 1d, having a channel 3a, the channel 3a being communicated with the outside,
A telescopic collecting bag 4 positioned in the second cavity 1b, one end of the telescopic collecting bag is connected with the piston member 2, one end of the telescopic collecting bag is connected with the plugging head 3, the telescopic collecting bag 4 is provided with a telescopic cavity 4a, the telescopic cavity 4a is provided with a connecting port 4b, the connecting port 4b is communicated with the channel 3a,
The first one-way valve 5 is arranged in the channel 3a, and the direction of the first one-way valve 5 is such that the collected water flows into the telescopic collection bag 4 but cannot flow out of the telescopic collection bag 4.
In this embodiment, considering that in the prior art, when the air bag pump is used for hydrogeological investigation to collect groundwater, the collected groundwater is contained in the disposable plastic tube film, but the through pump pipe is still inserted in the plastic tube film, so that a certain influence on the components of the groundwater is unavoidable, in order to avoid the influence of the structure on the components of the sampled groundwater, the inventor designs a new groundwater depth-fixing sampling device, not only the through pump pipe is not needed to suck the groundwater, but also the sampled groundwater is taken out together with the telescopic collecting bag 4 when the sampled groundwater is taken out again, and the sampled groundwater is not influenced by the previous collected residues at the outlet.
In this embodiment, the cylinder 1 to be sent to the position where groundwater needs to be sampled is divided into a first cavity 1a and a second cavity 1b by the piston member 2, the first cavity 1a has a negative pressure source port 1c and can be connected with a negative pressure hose, so that the first cavity 1a has negative pressure, and the piston member 2 is driven to move in the cylinder 1, the negative pressure hose can not only provide negative pressure, but also be used as a connecting rope to send the cylinder 1 from the ground to the position of hundreds of meters underground; after the cylinder 1 is sent to the position to be measured, the negative pressure hose provides negative pressure to the first cavity 1a, at the moment, the piston piece 2 moves upwards, so that the first cavity 1a becomes smaller, the second cavity 1b becomes larger, one end of the telescopic collecting bag 4 is fixedly connected with the piston piece 2, and the other end of the telescopic collecting bag is fixedly connected with the plugging head 3, so that the piston piece 2 moves upwards to drive the telescopic collecting bag 4 to expand, namely the telescopic cavity 4a gradually expands, and the connecting port 4b of the telescopic cavity 4a has certain shaping, absorbs underground water from the position of the cylinder 1 through the channel 3a of the plugging head 3, so that the underground water enters the telescopic cavity 4a of the telescopic collecting bag 4, and the underground water sampling is realized well.
The first one-way valve 5 is arranged in the channel 3a, and the first one-way valve 5 can enable sampling water in the telescopic cavity 4a to only go in and out, so that good sampling is realized, and the sampling water is prevented from flowing out of the telescopic cavity 4 a. After groundwater sampling is completed, the negative pressure hose can be pulled to pull the cylinder body 1 to the ground, the plugging head 3 can be taken down from the cylinder body 1, the telescopic collecting bag 4 is separated from the plugging head 3 and is separated from the piston piece 2, at the moment, sampling water which is not influenced by the last sampling residue is filled in the telescopic collecting bag 4 and is very close to in-situ water, so that the consistency of the sampling water and the in-situ water is well improved, and the accuracy of hydrogeological investigation is ensured. Compared with the sampling of the air bag pump in the prior art, the sampling process is hardly influenced by the pipeline contacted by the last sampling, and after the sampling is finished, sampling water is taken out, because the whole telescopic collecting bag 4 is taken out, the telescopic collecting bag 4 is also disposable, therefore, from the sampling, the influence of the last sampling residue is avoided in two links after the sampling, and the precision of hydrogeology investigation is improved.
Further, the device also comprises an elastic piece 6 which is positioned in the second cavity 1b, one end of the elastic piece is connected with the piston piece 2, the other end of the elastic piece is connected with the inner wall of the second cavity 1b and is used for providing the force of the piston piece 2 close to the blocking head 3,
A guide rail 7 and a guide groove 8, the guide rail 7 is arranged on the inner wall of the cylinder body 1, the guide groove 8 is formed on the piston member 2, the guide rail 7 is arranged in the guide groove 8,
A sealing lip 9 which is arranged on the piston member 2, is in a closed ring shape, is abutted with the inner wall of the cylinder body 1,
The negative pressure connector 10 is provided at the negative pressure source port 1 c.
In this embodiment, considering that the piston member 2 is driven by the negative pressure of the first cavity 1a when moving up, in order to realize the downward movement and the resetting of the piston member 2, that is, in order to facilitate the taking out of the telescopic collecting bag 4, the elastic member 6 is specifically designed, so that the piston member 2 can be pulled down, thereby avoiding the problem that the piston member 2 cannot move down and the telescopic collecting bag 4 cannot be taken out, and the elastic member 6 only needs to use a common tension spring. The guide rail 7 is arranged on the inner wall of the cylinder body 1, the guide groove 8 is arranged on the piston member 2, and the guide rail 7 slides in the guide groove 8, so that the sliding of the piston member 2 is more stable, and the problem of main inclined clamping is avoided. A sealing lip 9 is provided on the piston member 2, so that the sealing property between the first chamber 1a and the second chamber 1b on both sides of the piston member 2 can be improved. The negative pressure source port 1c is provided with a negative pressure connector 10, which can be well connected with a negative pressure hose, and can be connected with threads so as to ensure the connection stability.
Further, also include
The upper limiting piece 11 and the lower limiting piece 12 are arranged on the inner wall of the cylinder body 1 and are respectively positioned on two sides of the piston piece 2 and are respectively positioned in the first cavity 1a and the second cavity 1b for limiting the sliding range of the piston piece 2.
In this embodiment, considering that the piston member 2 needs to have a certain limit in sliding in the cylinder 1, the upper limit member 11 and the lower limit member 12 are designed, when the piston member 2 slides over, certain damage will be caused to the elastic member 6, when the piston member 2 slides over and down, the piston member 2 may directly slide out from the cylinder 1, and after the piston member passes through the limit of the upper limit member 11 and the lower limit member 12, two problems are well avoided.
Wherein, after the piston member 2 slides to contact with the lower limiting member 12, the connection position of the piston member 2 and the telescopic collecting bag 4 is located on the cylinder 1, so that the problems that the telescopic collecting bag 4 and the piston member 2 are difficult to connect and install and difficult to detach are avoided.
Further, the plugging head 3 is arranged on the cylinder body 1 in a threaded manner, so that the connection is convenient, and the sufficient tightness can be ensured.
Further, the piston member 2 is circular, and has a first clamping groove 2a along a radial direction on one side close to the second cavity 1b, one end of the first clamping groove 2a is closed, the other end is provided with a first insertion port 2b,
The end of the telescopic collecting bag 4, which is close to the piston member 2, is provided with a first annular clamping edge 4c, and the first clamping edge 4c is used for entering the first clamping groove 2a from the first inserting opening 2b and is clamped in the first clamping groove.
Further, the plugging head 3 is circular, one side close to the second cavity 1b is provided with a second clamping groove along the radial direction, one end of the second clamping groove is closed, the other end of the second clamping groove is provided with a second inserting port 3b, the orientation of the second inserting port 3b is opposite to the orientation of the first inserting port 2b,
The end of the telescopic collection bag 4 close to the blocking head 3 is provided with a ring-shaped second clamping edge 4d, the second clamping edge 4d is used for entering the second clamping groove from the two insertion openings and being clamped in the second clamping groove,
In this embodiment, in order to realize flexible collection bag 4 can be convenient install and dismantle in piston 2, shutoff head 3, and guarantee that piston 2, shutoff head 3 are kept away from when the two mutually, flexible collection bag 4 can be stable connect and realize flexible collection, satisfy simultaneously that shutoff head 3 is screwing down from barrel 1 when dismantling, flexible collection bag 4 does not follow shutoff head 3 rotation, the upper end and the lower extreme of flexible collection bag 4 have been designed and have been first card respectively along 4c, second card along 4d, the card is in the first draw-in groove 2a on piston 2 respectively, the card is in the second draw-in groove on shutoff head 3, nevertheless block, but rotation relatively, consequently, when shutoff head 3 rotates, also can guarantee that flexible collection bag 4 keeps not changeing, in order to realize that flexible collection bag 4 can take out smoothly.
Further, the device also comprises a top pressure joint 13 which is arranged on the plugging head 3, is communicated with the channel 3a in a rotating and sealing way, the top pressure joint 13 is abutted with the connecting port 4b to realize the communication between the telescopic cavity 4a and the channel 3a,
The jacking spring 14 is arranged in the plugging head 3, one end of the jacking spring acts on the plugging head 3, and one end of the jacking spring acts on the jacking joint 13 to provide a force for jacking the jacking joint 13 to jack the connecting port 4 b.
In this embodiment, in order to realize the communication between the telescopic collection bag 4 and the channel 3a of the plugging head 3, the plugging head 3 may be further provided with a pressing joint 13, after the second clamping edge 4d is inserted into the second clamping groove, the pressing joint 13 can just support the telescopic collection bag 4, so as to realize the communication between the telescopic cavity 4a and the channel 3a, wherein the supporting force is realized by the elastic action of the pressing spring 14.
Further, the piston member 2 further comprises a second one-way valve 15, one end of which is communicated with the first cavity 1a and one end of which is communicated with the second cavity 1b, and the direction is such that the gas in the second cavity 1b can enter the first cavity 1a, but the gas in the first cavity 1a cannot enter the second cavity 1b.
In this embodiment, the second one-way valve 15 is disposed on the piston member 2, one end of the second one-way valve is communicated with the first cavity 1a, and one end of the second one-way valve is communicated with the second cavity 1b, so that the second cavity 1b gas can only enter the first cavity 1a, the first cavity 1a gas cannot enter the second cavity 1b, after the first cavity 1a is provided with negative pressure, the absorbing piston member 2 moves upwards, at this time, the negative pressure of the first cavity 1a can also act on the second one-way valve 15, so that the gas of the second cavity 1b enters the first cavity 1a, and therefore, the second cavity 1b can also generate certain negative pressure, thereby acting on the outer wall of the telescopic collecting bag 4, better ensuring the stability of deformation of the telescopic collecting bag 4, and ensuring the sampling effect.
Further, the sampling device further comprises a filter screen 16, wherein the filter screen 16 is arranged at one end of the channel 3a communicated with the outside, and the sampling device is prevented from being blocked by impurities through the arrangement of the filter screen 16.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a hydrogeology investigation groundwater depthkeeping sampling device which characterized in that includes
A cylinder (1),
The piston member (2) is arranged in the cylinder body (1) in a sliding manner, the inner part of the cylinder body (1) is divided into a first cavity (1 a) and a second cavity (1 b), the first cavity (1 a) is provided with a negative pressure source port (1 c) for being connected to a negative pressure source, the second cavity (1 b) is provided with an opening (1 d),
A blocking head (3) arranged at the opening (1 d) for blocking the opening (1 d) and having a channel (3 a), wherein the channel (3 a) is communicated with the outside,
A telescopic collection bag (4) which is positioned in the second cavity (1 b), one end of the telescopic collection bag is connected with the piston piece (2), one end of the telescopic collection bag is connected with the plugging head (3), the telescopic collection bag (4) is provided with a telescopic cavity (4 a), the telescopic cavity (4 a) is provided with a connecting port (4 b), the connecting port (4 b) is communicated with the channel (3 a),
A first one-way valve (5) arranged in the channel (3 a), wherein the direction of the first one-way valve (5) is that collected water can flow into the telescopic collection bag (4) but cannot flow out of the telescopic collection bag (4);
An elastic piece (6) which is positioned in the second cavity (1 b), one end of the elastic piece is connected with the piston piece (2), the other end of the elastic piece is connected with the inner wall of the second cavity (1 b) and is used for providing the force of the piston piece (2) approaching the plugging head (3),
A guide rail (7) and a guide groove (8), wherein the guide rail (7) is arranged on the inner wall of the cylinder body (1), the guide groove (8) is formed on the piston member (2), the guide rail (7) is arranged in the guide groove (8),
A sealing lip (9) which is arranged on the piston member (2) and is in a closed ring shape and is abutted with the inner wall of the cylinder body (1),
The negative pressure connector (10) is arranged on the negative pressure source port (1 c);
the piston member (2) is circular, a first clamping groove (2 a) along the radial direction is arranged on one side close to the second cavity (1 b), one end of the first clamping groove (2 a) is closed, a first inserting port (2 b) is arranged on the other end of the first clamping groove,
One end of the telescopic collection bag (4) close to the piston piece (2) is provided with a first annular clamping edge (4 c), and the first clamping edge (4 c) is used for entering the first clamping groove (2 a) from the first inserting port (2 b) and being clamped in the first clamping groove;
The plugging head (3) is round, a second clamping groove along the radial direction is arranged on one side close to the second cavity (1 b), one end of the second clamping groove is closed, a second inserting port (3 b) is arranged on the other end of the second clamping groove, the second inserting port (3 b) is opposite to the first inserting port (2 b),
One end of the telescopic collection bag (4) close to the plugging head (3) is provided with a ring-shaped second clamping edge (4 d), the second clamping edge (4 d) is used for entering the second clamping groove from the two insertion holes and being clamped in the second clamping groove,
Also included is a method of manufacturing a semiconductor device,
A pressing joint (13) arranged on the plugging head (3) and communicated with the channel (3 a) in a rotating and sealing way, the pressing joint (13) is abutted with the connecting port (4 b) to realize the communication between the telescopic cavity (4 a) and the channel (3 a),
A pressing spring (14) which is arranged in the plugging head (3), one end of which acts on the plugging head (3), and one end of which acts on the pressing joint (13) to provide the force of the pressing joint (13) against the connecting port (4 b);
and a second one-way valve (15) arranged on the piston member (2), one end of the second one-way valve is communicated with the first cavity (1 a), and the other end of the second one-way valve is communicated with the second cavity (1 b), so that gas in the second cavity (1 b) can enter the first cavity (1 a), and gas in the first cavity (1 a) cannot enter the second cavity (1 b).
2. The hydrogeologic survey groundwater depth-determining sampling device of claim 1, further comprising
The upper limiting piece (11) and the lower limiting piece (12) are arranged on the inner wall of the cylinder body (1) and are respectively positioned on two sides of the piston piece (2), and the upper limiting piece and the lower limiting piece are respectively positioned in the first cavity (1 a) and the second cavity (1 b) and are used for limiting the sliding range of the piston piece (2).
3. The hydrogeological groundwater depth sampling device according to claim 1, wherein the plugging head (3) is threadedly disposed on the cylinder (1).
4. The hydrogeologic survey groundwater depth-determining sampling device of claim 1, wherein
The telescopic collecting bag (4) is a folding telescopic collecting bag.
5. The hydrogeologic survey groundwater depth-determining sampling device of claim 1, further comprising
The filter screen (16) is arranged at one end of the channel (3 a) communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601873.2A CN114878244B (en) | 2022-05-30 | 2022-05-30 | Hydrogeology investigation groundwater depthkeeping sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601873.2A CN114878244B (en) | 2022-05-30 | 2022-05-30 | Hydrogeology investigation groundwater depthkeeping sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114878244A CN114878244A (en) | 2022-08-09 |
| CN114878244B true CN114878244B (en) | 2024-06-07 |
Family
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Family Applications (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2039880A2 (en) * | 2007-09-24 | 2009-03-25 | Commissariat A L'energie Atomique | Multi-level static sampler |
| JP2018179668A (en) * | 2017-04-10 | 2018-11-15 | 清水建設株式会社 | Ground water measurement device |
| CN209559571U (en) * | 2019-03-14 | 2019-10-29 | 周文国 | A kind of water project management water sampler |
| CN213209593U (en) * | 2020-06-18 | 2021-05-14 | 郝亮 | Deep water sampling device for environmental monitoring |
| CN214749082U (en) * | 2021-05-11 | 2021-11-16 | 鄂托克前旗长城三号矿业有限公司 | Groundwater sample thief for hydrogeology |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2039880A2 (en) * | 2007-09-24 | 2009-03-25 | Commissariat A L'energie Atomique | Multi-level static sampler |
| JP2018179668A (en) * | 2017-04-10 | 2018-11-15 | 清水建設株式会社 | Ground water measurement device |
| CN209559571U (en) * | 2019-03-14 | 2019-10-29 | 周文国 | A kind of water project management water sampler |
| CN213209593U (en) * | 2020-06-18 | 2021-05-14 | 郝亮 | Deep water sampling device for environmental monitoring |
| CN214749082U (en) * | 2021-05-11 | 2021-11-16 | 鄂托克前旗长城三号矿业有限公司 | Groundwater sample thief for hydrogeology |
Non-Patent Citations (1)
| Title |
|---|
| 隔膜式地下水取样泵的研制与取样对比试验分析;王玉青 等;《环境科学与技术》;20201231;第173-178页 * |
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