CN117288525B - Prospecting hole water sampling device - Google Patents
Prospecting hole water sampling device Download PDFInfo
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- CN117288525B CN117288525B CN202311246804.5A CN202311246804A CN117288525B CN 117288525 B CN117288525 B CN 117288525B CN 202311246804 A CN202311246804 A CN 202311246804A CN 117288525 B CN117288525 B CN 117288525B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 238000005070 sampling Methods 0.000 title claims abstract description 34
- 239000012528 membrane Substances 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral 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
-
- 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
- G01N2001/1031—Sampling from special places
-
- 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 application relates to a water sampling device for a exploration hole, which comprises a water receiver, a valve plate, a movable magnet and a fixed magnet, wherein the lower end of the water receiver is provided with a water inlet, the water receiver is provided with an air outlet, the valve plate is positioned in the water receiver, the movable magnet is connected with the valve plate, the fixed magnet is connected with the water receiver, and the valve plate covers the water inlet and is sealed under the condition that the movable magnet and the fixed magnet are attracted through magnetic force. The water reservoir is put into water, air pressure acts on the upper surface of the valve plate, water pressure acts on the lower surface of the valve plate, and the pressure difference between the upper surface and the lower surface of the valve plate increases along with the increase of the water inlet depth of the water reservoir. Only under the condition that the water inlet depth of the water storage device reaches a given depth, the pressure difference between the upper surface and the lower surface of the valve plate enables the valve plate to overcome the magnetic force between the movable magnet and the fixed magnet and move upwards, and then the water inlet is opened, so that the water sample with the given depth is collected.
Description
Technical Field
The application relates to the field of sampling tools, in particular to a water sampling device for a exploration hole.
Background
In engineering and ecological construction processes, water samples are sometimes required to be collected from construction sites so as to know local hydrologic environments, mineral components, the conditions of microorganism types in water and the like.
During sampling, acquisition is required at a given depth at the measurement site.
The prior art CN210071425U discloses a groundwater sampling device for hydrogeology, with sampling tube 15 joint in protection box 10, protection box 10 fixedly connected with coupling hook 14, coupling hook 14 is used for supplying hooking device 9 to connect, and hooking device 9 connects in spiral 8.
During sampling, the sampling tube 15 is lifted and lowered by winding and unwinding the winding wire 8, namely, the depth of the sampling tube 15 in water is adjusted by winding and unwinding the winding wire 8, so that the water sample collection with a given depth is realized.
Before the water sample is collected, the sampling tube 15 is filled with air, the buoyancy of the sampling tube 15 easily causes the sampling tube 15 to be flushed by water flow to deviate in the horizontal direction (namely, the winding wire 8 inclines), and the winding and unwinding lengths of the winding wire 8 deviate from the depth of the sampling tube 15, so that the water sample collecting device is generally: the winding length (corresponding to the bevel edge) of the winding wire 8 is greater than the depth (corresponding to the right-angle edge) of the sampling tube 15.
Disclosure of Invention
In order to accurately sample at a given depth, the application provides a exploratory hole water sampling device.
The application provides a water sampling device for a exploration hole, which adopts the following technical scheme:
A water sampling device for a prospecting hole comprises a water receiver, a valve plate, a movable magnet and a fixed magnet,
The lower end of the water receiver is provided with a water inlet, the water receiver is provided with an air outlet, the valve plate is positioned in the water receiver, the movable magnet is connected with the valve plate, the fixed magnet is connected with the water receiver,
Under the condition that the movable magnet and the fixed magnet are attracted through magnetic force, the valve plate covers the water inlet and is sealed.
By adopting the technical scheme, the water receiver is put into water, air pressure acts on the upper surface of the valve plate, water pressure acts on the lower surface of the valve plate, and along with the increase of the water depth of the water receiver, the pressure difference between the upper surface and the lower surface of the valve plate is increased.
Only under the condition that the water inlet depth of the water storage device reaches a given depth, the pressure difference between the upper surface and the lower surface of the valve plate enables the valve plate to overcome the magnetic force between the movable magnet and the fixed magnet and move upwards, and then the water inlet is opened, so that the water sample with the given depth is collected.
Preferably, the water reservoir comprises a cylinder and an air outlet pipe,
The lower extreme of barrel is established the water inlet, the valve plate is located the barrel, the one end intercommunication barrel of outlet duct, the other end of outlet duct is the gas outlet, the gas outlet is downward, the gas outlet is higher than the water inlet.
By adopting the technical scheme, water is prevented from penetrating into the water receiver from the air outlet, and the water sample with a given depth in the water receiver is ensured.
Preferably, the water storage device also comprises a shell, a valve block, a movable magnetic block, a fixed magnetic block and a mandril, wherein the water storage device comprises a cylinder body and a hose,
The lower end of the cylinder body is provided with the water inlet, the valve plate is positioned in the cylinder body, one end of the hose is communicated with the cylinder body, the other end of the hose extends out after penetrating through the shell,
The lower end of the shell is provided with a through hole, the shell is connected outside the cylinder body, the valve block is positioned in the shell, the valve block is positioned below the air outlet pipe, the movable magnetic block is connected with the valve block, the fixed magnetic block is connected with the shell,
Under the condition that the movable magnetic block and the fixed magnetic block are attracted by magnetic force, the valve block covers the through hole and is sealed,
The ejector rod is located in the shell, the ejector rod is connected to the valve block, and the ejector rod is used for extruding the hose to enable the hose to be closed.
By adopting the technical scheme, under the condition that the water inlet depth of the water storage device is larger than the given depth, the water pressure enables the valve block to overcome the magnetic force between the movable magnetic block and the fixed magnetic block and move upwards, the ejector rod moves upwards to squeeze the hose so as to enable the hose to be closed, air in the water storage device cannot be discharged from the hose, water stops flowing into the water storage device, and the water sample with the given depth in the water storage device is ensured.
Preferably, the elastic membrane is also included,
The elastic membrane is connected between the ejector rod and the shell, the elastic membrane divides the inner space of the shell into an independent closed cavity and an independent open cavity, the open cavity is communicated with the through hole,
The elastic membrane gives the ejector pin a tendency to move away from the hose.
By adopting the technical scheme, under the condition that the water inlet depth of the water storage device is larger than a given depth, the ejector rod moves upwards to squeeze the hose so as to enable the hose to be closed. The water reservoir is lifted up to enable the water reservoir to return to a given depth, at the moment, the elastic force of the elastic membrane enables the hose to move downwards, so that the hose is opened again, air can be discharged normally, and water sample collection at the given depth can be continued.
Preferably, the closed chamber is filled with compressed gas.
Through adopting above-mentioned technical scheme, compressed gas (atmospheric pressure) and elastic membrane (elastic force) mutually support, realize making the ejector pin have the trend of keeping away from the hose.
Preferably, the reservoir further comprises a rigid tube,
One end of the hard tube is communicated with the other end of the hose, the hard tube is fixedly connected to the shell or the cylinder body, the other end of the hard tube is the air outlet, and the air outlet faces downwards.
By adopting the technical scheme, water is prevented from penetrating into the water receiver from the air outlet, and the water sample with a given depth in the water receiver is ensured.
Preferably, the through opening is lower than the water inlet.
By adopting the technical scheme, compared with the water inlet depth of the water inlet, the water inlet depth of the through hole is larger than the given depth, and then the hose is closed timely under the condition that the water inlet depth of the through hole is larger than the given depth, so that water stops entering the water receiver.
Preferably, the water reservoir comprises a cylinder and a limiting block,
The lower extreme of barrel is established the water inlet, the stopper is connected in the barrel, the stopper is equipped with a plurality ofly along water inlet circumference interval, the stopper is used for supplying the valve plate to touch towards the surface at water inlet center.
Through adopting above-mentioned technical scheme, after stopping intaking (lifting the water receiver and retrieving the water sample), gravity makes the valve plate move down, utilizes stopper guide valve plate accurate uncovered water inlet again to realize retrieving the water sample.
Preferably, the reservoir comprises a barrel and a stop lever,
The lower end of the cylinder body is provided with the water inlet, the stop lever is connected with the inner wall of the cylinder body, the valve plate is positioned in the cylinder body and below the stop lever,
And under the condition that one end of the valve plate contacts the stop lever and the other end of the valve plate contacts the bottom of the cylinder body, the valve plate is inclined.
Through adopting above-mentioned technical scheme, in water gets into the water receiver through the water inlet, the pin is used for blockking the valve plate upset to be in the state of mutual attraction between guaranteeing to remove magnet, the fixed magnet, in order to guarantee that the investigation hole water sampling device normally gathers the water sample.
Preferably, the movable magnet and the fixed magnet are annular, and the fixed magnet is coaxial with the water inlet.
By adopting the technical scheme, the valve plate is guided to accurately cover the water inlet again under the action of magnetic force.
In summary, the present application includes at least one of the following beneficial technical effects:
1. only when the water inlet depth of the water storage device reaches a given depth, the pressure difference between the upper surface and the lower surface of the valve plate enables the valve plate to overcome the magnetic force between the movable magnet and the fixed magnet and move upwards, so that the water inlet is opened to collect a water sample with the given depth;
2. Under the condition that the water inlet depth of the water reservoir is larger than a given depth, the water pressure enables the valve block to move upwards against the magnetic force between the movable magnetic block and the fixed magnetic block, the ejector rod moves upwards to press the hose to enable the hose to be closed, air in the water reservoir cannot be discharged from the hose, water stops flowing into the water reservoir, and the water sample with the given depth in the water reservoir is ensured;
3. compared with the water inlet depth of the water inlet, the water inlet depth of the through hole is larger than the given depth, and then the hose is closed in time under the condition that the water inlet depth of the through hole is larger than the given depth, so that water stops entering the water receiver;
4. when the water inlet depth of the water storage device is larger than a given depth, the ejector rod moves upwards to squeeze the hose so as to enable the hose to be closed; the water reservoir is lifted up to enable the water reservoir to return to a given depth, at the moment, the elastic force of the elastic membrane enables the hose to move downwards, so that the hose is opened again, air can be discharged normally, and water sample collection at the given depth can be continued.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a survey hole water sampling apparatus.
FIG. 2 is a schematic diagram of a cut-away structure of a survey hole water sampling apparatus.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is an enlarged view at C in fig. 2.
Reference numerals illustrate: 1. a water reservoir; 11. a cylinder; 111. a water inlet; 12. a hanging ring; 13. an air outlet pipe; 131. a hose; 132. a hard tube; 14. a limiting block; 15. a stop lever; 21. a valve plate; 22. a moving magnet; 23. a fixed magnet; 31. a housing; 311. a through port; 32. a valve block; 33. moving the magnetic block; 34. fixing the magnetic block; 35. a push rod; 351. a vertical rod; 352. a cross bar; 36. an elastic membrane.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
Referring to fig. 1, an embodiment of the application discloses a device for taking water samples from a exploration hole, which comprises a water reservoir 1. The water reservoir 1 comprises a barrel 11, a lifting ring 12 and an air outlet pipe 13.
The lower end of the cylinder 11 is coaxially provided with a water inlet 111, and the diameter of the water inlet 111 is smaller than the inner diameter of the cylinder 11. The upper end of the cylinder 11 is closed. The hanging ring 12 is fixedly connected to the upper end surface of the cylinder 11.
The air outlet pipe 13 is connected to the upper end of the outer circumference of the cylinder 11. One end of the air outlet pipe 13 is communicated with the cylinder 11, and the other end of the air outlet pipe 13 is an air outlet. The air outlet is downward and is higher than the water inlet 111.
Referring to fig. 2, the survey hole water sampling device further comprises a valve plate 21, a moving magnet 22 and a fixed magnet 23.
The valve plate 21 has a disk shape, and the diameter of the valve plate 21 is smaller than the inner diameter of the cylinder 11. Valve plate 21 is located within barrel 11, with the diameter of valve plate 21 being greater than the diameter of water inlet 111 so that valve plate 21 can be used to cover water inlet 111.
The moving magnet 22 and the fixed magnet 23 are both annular. The moving magnet 22 is buried in the valve plate 21, and the moving magnet 22 is coaxial with the valve plate 21. The fixed magnet 23 is buried in the bottom plate of the cylinder 11, and the fixed magnet 23 is coaxial with the water inlet 111.
When the movable magnet 22 and the fixed magnet 23 are attracted by magnetic force, the valve plate 21 covers the water inlet 111 and seals. In one embodiment, a rubber layer is provided at the lower surface of the valve plate 21.
The reservoir 1 further comprises a stopper 14 and a stop lever 15.
The limiting block 14 is fixedly connected to the upper surface of the bottom plate of the cylinder 11, and a plurality of limiting blocks 14 are arranged at intervals along the circumferential direction of the water inlet 111. The number of the limiting blocks 14 can be three, four, etc.
The distance from the surface of the limiting block 14 facing the center of the water inlet 111 to the center of the water inlet 111 is slightly larger than or equal to the diameter of the valve plate 21, namely, the surface of the limiting block 14 facing the center of the water inlet 111 is used for the valve plate 21 to touch so as to limit the valve plate 21.
The pin 15 fixed connection is in barrel 11 inner wall, and pin 15 is located the top of valve plate 21, and the distance between pin 15 to the bottom plate of barrel 11 is less than the diameter of valve plate 21 for valve plate 21 one end touches pin 15, and under the condition that the valve plate 21 other end touched barrel 11 bottom plate, valve plate 21 was in the tilt state, in order to avoid valve plate 21 upset.
The water reservoir 1 is put into water, air pressure acts on the upper surface of the valve plate 21, water pressure acts on the lower surface of the valve plate 21, and as the depth of water entering the water reservoir 1 increases, the pressure difference between the upper and lower surfaces of the valve plate 21 increases. Only in the case that the depth of water entering the reservoir 1 reaches a given depth, the pressure difference between the upper and lower surfaces of the valve plate 21 causes the valve plate 21 to move upward against the magnetic force between the moving magnet 22 and the fixed magnet 23, and the water inlet 111 is opened to collect the water sample of the given depth.
Referring to fig. 2, the survey hole water sampling apparatus further includes an opening and closing mechanism. The opening and closing mechanism includes a housing 31.
The housing 31 is fixedly connected to the outer wall of the cylinder 11. The lower end of the housing 31 is lower than the lower end of the cylinder 11, and the lower end of the housing 31 is provided with a through opening 311 such that the through opening 311 is lower than the water inlet 111.
The outlet duct 13 includes a hose 131 and a hard tube 132. One end of the hose 131 communicates with the cylinder 11, and the other end of the hose 131 extends through the housing 31, i.e., such that the middle portion of the hose 131 is located in the housing 31. One end of the hard tube 132 is connected to the other end of the flexible tube 131, and the other end of the hard tube 132 is an air outlet. The hard tube 132 is fixedly connected to the housing 31 or the cylinder 11. In this embodiment, the hard tube 132 is fixedly connected to the outer wall of the housing 31; the hose 131 and the cylinder 11 and the hose 131 and the hard tube 132 may be bonded.
The opening and closing mechanism further includes a valve block 32, a moving magnet 33, a fixed magnet 34, a jack 35, and an elastic membrane 36.
Referring to fig. 2 and 3, a valve block 32 is located within the housing 31, the valve block 32 being located below the outlet duct 13. The movable magnet 33 is connected to the valve block 32, and the fixed magnet 34 is connected to the housing 31.
A push rod 35 is located in the housing 31, the push rod 35 being connected to the upper end of the valve block 32, the push rod 35 being used to squeeze the hose 131 so that the hose 131 is closed.
In this embodiment, referring to fig. 4, the top rod 35 includes a vertical rod 351 and a horizontal rod 352. The vertical pole 351 is vertically arranged, and the lower end of the vertical pole 351 is fixedly connected with the valve block 32. The cross bar 352 is horizontal, the cross bar 352 is perpendicular to the hose 131, and the cross bar 352 is fixedly connected to the upper end of the vertical bar 351. The crossbar 352 is used to squeeze the hose 131 to close the hose 131.
When the movable magnet 33 and the fixed magnet 34 are attracted by magnetic force, the valve block 32 covers the through hole 311 and seals, and the cross bar 352 and the hose 131 are contacted without extrusion.
Referring to fig. 2 and 5, an elastic membrane 36 is connected between the push rod 35 and the housing 31, the elastic membrane 36 causing the push rod 35 to have a tendency to move away from the hose 131. Specifically, the elastic membrane 36 is connected between the vertical rod 351 and the housing 31.
The elastic membrane 36 divides the internal space of the housing 31 into a closed chamber and an open chamber which are independent of each other, and the open chamber communicates with the through hole 311, i.e., the valve block 32 is located in the open chamber. The cross bar 352 is positioned within the closed chamber and compressed gas is present within the closed chamber.
The embodiment of the application provides an implementation principle of a water sampling device for a exploration hole, which comprises the following steps: the water reservoir 1 is put into water, air pressure acts on the upper surface of the valve plate 21, water pressure acts on the lower surface of the valve plate 21, and as the depth of water entering the water reservoir 1 increases, the pressure difference between the upper and lower surfaces of the valve plate 21 increases.
Only in the case that the depth of water entering the reservoir 1 reaches a given depth, the pressure difference between the upper and lower surfaces of the valve plate 21 causes the valve plate 21 to move upward against the magnetic force between the moving magnet 22 and the fixed magnet 23, and the water inlet 111 is opened to collect the water sample of the given depth.
If the water reservoir 1 is lowered too much to cause the water reservoir 1 to be filled to a depth greater than a given depth, the water pressure causes the valve block 32 to move upward against the magnetic force between the movable magnet 33 and the fixed magnet 34, the ejector rod 35 moves upward to press the hose 131 so as to close the hose 131, and the air in the water reservoir 1 cannot be discharged from the hose 131, so that the water stops flowing into the water reservoir 1, and the water sample in the water reservoir 1 is ensured to be of the given depth.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. A survey hole water sampling device, its characterized in that: comprises a water receiver (1), a valve plate (21), a movable magnet (22) and a fixed magnet (23),
The lower end of the water receiver (1) is provided with a water inlet (111), the water receiver (1) is provided with an air outlet, the valve plate (21) is positioned in the water receiver (1), the movable magnet (22) is connected with the valve plate (21), the fixed magnet (23) is connected with the water receiver (1),
Under the condition that the movable magnet (22) and the fixed magnet (23) are attracted through magnetic force, the valve plate (21) covers the water inlet (111) and is sealed;
The water storage device also comprises a shell (31), a valve block (32), a movable magnetic block (33), a fixed magnetic block (34) and a mandril (35), wherein the water storage device (1) comprises a cylinder (11) and a hose (131),
The lower end of the cylinder body (11) is provided with the water inlet (111), the valve plate (21) is positioned in the cylinder body (11), one end of the hose (131) is communicated with the cylinder body (11), the other end of the hose (131) extends out after penetrating through the shell (31),
The lower end of the shell (31) is provided with a through hole (311), the shell (31) is connected outside the cylinder (11), the valve block (32) is positioned in the shell (31), the valve block (32) is positioned below the air outlet pipe (13), the movable magnetic block (33) is connected with the valve block (32), the fixed magnetic block (34) is connected with the shell (31),
Under the condition that the movable magnetic block (33) and the fixed magnetic block (34) are attracted through magnetic force, the valve block (32) covers the through hole (311) and is sealed,
The ejector rod (35) is located in the shell (31), the ejector rod (35) is connected to the valve block (32), and the ejector rod (35) is used for extruding the hose (131) so that the hose (131) is closed.
2. The survey aperture water sampling apparatus of claim 1, wherein: the water receiver (1) comprises a cylinder (11) and an air outlet pipe (13),
The lower extreme of barrel (11) is established water inlet (111), valve plate (21) are located barrel (11), the one end intercommunication barrel (11) of outlet duct (13), the other end of outlet duct (13) is the gas outlet, the gas outlet is downward, the gas outlet is higher than water inlet (111).
3. The survey aperture water sampling apparatus of claim 1, wherein: also comprises an elastic membrane (36),
The elastic membrane (36) is connected between the ejector rod (35) and the shell (31), the elastic membrane (36) divides the inner space of the shell (31) into an independent closed chamber and an independent open chamber, the open chamber is communicated with the through hole (311),
The elastic membrane (36) causes the ejector rod (35) to have a tendency to move away from the hose (131).
4. A survey aperture water sampling apparatus according to claim 3, wherein: the closed cavity is internally provided with compressed gas.
5. The survey aperture water sampling apparatus of claim 1, wherein: the reservoir (1) further comprises a hard tube (132),
One end of the hard tube (132) is communicated with the other end of the hose (131), the hard tube (132) is fixedly connected to the shell (31) or the cylinder (11), the other end of the hard tube (132) is the air outlet, and the air outlet is downward.
6. The survey aperture water sampling apparatus of claim 1, wherein: the through hole (311) is lower than the water inlet (111).
7. The survey aperture water sampling apparatus of claim 1, wherein: the water receiver (1) comprises a cylinder (11) and a limiting block (14),
The water inlet (111) is arranged at the lower end of the cylinder body (11), the limiting block (14) is connected to the cylinder body (11), a plurality of limiting blocks (14) are arranged at intervals along the circumferential direction of the water inlet (111), and the surface of the limiting block (14) facing the center of the water inlet (111) is used for being contacted by the valve plate (21).
8. The survey aperture water sampling apparatus of claim 1, wherein: the water reservoir (1) comprises a cylinder (11) and a stop lever (15),
The lower end of the cylinder body (11) is provided with the water inlet (111), the stop lever (15) is connected to the inner wall of the cylinder body (11), the valve plate (21) is positioned in the cylinder body (11), the valve plate (21) is positioned below the stop lever (15),
One end of the valve plate (21) contacts the stop lever (15), and the valve plate (21) is inclined under the condition that the other end of the valve plate (21) contacts the bottom of the cylinder body (11).
9. The survey aperture water sampling apparatus of claim 1, wherein: the movable magnet (22) and the fixed magnet (23) are annular, and the fixed magnet (23) is coaxial with the water inlet (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311246804.5A CN117288525B (en) | 2023-09-25 | 2023-09-25 | Prospecting hole water sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311246804.5A CN117288525B (en) | 2023-09-25 | 2023-09-25 | Prospecting hole water sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117288525A CN117288525A (en) | 2023-12-26 |
| CN117288525B true CN117288525B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311246804.5A Active CN117288525B (en) | 2023-09-25 | 2023-09-25 | Prospecting hole water sampling device |
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