CN117516998A - Water quality testing analysis appearance sample collection device - Google Patents
Water quality testing analysis appearance sample collection device Download PDFInfo
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- CN117516998A CN117516998A CN202311510253.9A CN202311510253A CN117516998A CN 117516998 A CN117516998 A CN 117516998A CN 202311510253 A CN202311510253 A CN 202311510253A CN 117516998 A CN117516998 A CN 117516998A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000012372 quality testing Methods 0.000 title claims description 7
- 238000004458 analytical method Methods 0.000 title description 4
- 238000005070 sampling Methods 0.000 claims abstract description 118
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 230000001976 improved effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000243 solution 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
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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 discloses a water quality detection analyzer sample collection device, and relates to the technical field of water quality detection; comprises a sampling structure; the sampling structure comprises a sampling tube, a tube cover is arranged at one end of the sampling tube, and a one-way valve is arranged on the tube cover; a piston is slidably arranged in the sampling tube and is connected with a supporting rod which is connected with a rope; a plurality of mounting rods are arranged in the sampling tube, the mounting rods are connected with a limiting ring positioned in the middle, a first-stage limiting block in a water drop shape is arranged on the supporting rod, and a limiting structure surrounding the supporting rod is arranged on the limiting ring; the limit structure comprises a stop lever, the stop lever penetrates out of the sampling tube, a plurality of annularly distributed resistance increasing plates are arranged on the outer wall of the sampling tube, the stop lever is located between the resistance increasing plates and the tube cover, and the stop lever is attached to the surface of the resistance increasing plates. The device can obtain a water sample at a specified depth, avoids the pollution of the inside of the sampling tube by water bodies and impurities at other depths, and improves the detection accuracy.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to a sample acquisition device of a water quality detection analyzer.
Background
Water is a source of life, production and living activities of people are not separated from water, and the quality of drinking water and living water has the most direct influence on the living standard of people. Once the local water quality is destroyed, there is a great threat to the physical health of the local residents, and this pollution is difficult to solve thoroughly by manual treatment. In order to protect the water environment, the monitoring of the sewage discharge condition needs to be enhanced, so that the natural water environment needs to be detected in a large range regularly, and environmental pollution caused by excessive sewage discharge is avoided.
The water quality analyzer is required to be used in the water quality detection process, the water quality analyzer is different in type and model, and the information which can be analyzed is also different, but the water quality analyzer is generally required to be matched with a sample collecting device to be used, a required water sample is firstly collected from a designated depth of a designated water body, then the water sample is analyzed in the water quality analyzer, the content of the corresponding component is obtained, and the content of various components in a normal water body is compared, so that the water quality can be judged. To ensure accuracy of sampling analysis, multi-point multi-depth multi-frequency sampling analysis is required.
The water sample is gathered and is generally used the sampling tube, and the both ends of sampling tube all are provided with the opening of similar check valve, throw into the water with the sampling tube, utilize the degree of depth that rope control sampling tube can sink, can directly be full after the sampling tube gets into in the water to along with the sinking process, the inside water sample of continuous renewal, until the rope is tightened, the sampling tube is pulled up, the in-process sampling tube self-closing of pull-up, consequently can obtain the water sample of appointed degree of depth. However, in the actual sampling process, the water flow above the sampling depth flows through the sampling tube, possibly leaving impurities in some water in the sampling tube, interfering with the final detection result, and the valves at the two ends of the sampling tube can enable the water to flow through the sampling tube, but cannot ensure that the water sample above is fully emptied, so that a certain error still exists in the detection result.
Disclosure of Invention
The invention aims to provide a water quality detection analyzer sample collection device so as to solve the problems in the background technology. The water sample collecting device capable of collecting the water sample at the designated depth ensures that the obtained water sample is not polluted by other high-altitude water bodies, and the final detection precision is improved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a water quality detection analyzer sample collection device comprises a support frame and a sampling structure; a paying-off structure is arranged on the supporting frame and comprises a rope; the sampling structure comprises a sampling tube, two ends of the sampling tube are provided with openings, one end of the sampling tube is provided with a tube cover, and the tube cover is provided with a one-way valve; a piston is slidably arranged in the sampling tube, the piston is connected with a supporting rod, and the supporting rod is connected with a rope; the one end of the sampling tube far away from the tube cover is provided with a plurality of mounting rods pointing to the center of the sampling tube, the mounting rods are connected with a limiting ring positioned in the middle of the sampling tube, the support rod is provided with a first-stage limiting block in a water drop shape, and the limiting ring is provided with a limiting structure surrounding the support rod; the limiting structure comprises a stop lever, the stop lever penetrates out of the sampling tube, a plurality of annularly distributed resistance-increasing plates are arranged on the outer wall of the sampling tube, the stop lever is positioned between the resistance-increasing plates and the tube cover, and the stop lever is attached to the surface of the resistance-increasing plates;
the paying-off structure is used for winding and unwinding the sampling tube;
the limiting structure is used for limiting the movement of the limiting block, and is an elastic structure.
As a further scheme of the invention: the limit structure comprises a primary spring, a chute is formed in the mounting rod, the stop lever is slidably mounted in the chute, the primary spring is mounted at one end of the stop lever inserted into the chute, and the primary spring is connected with the chute.
As still further aspects of the invention: the limiting structure further comprises a plurality of annularly distributed limiting rods, the middle positions of the limiting rods are rotatably mounted on the limiting rings, the limiting rods incline relative to the mounting rods, connecting rods are mounted at one ends, close to the mounting rods, of the limiting rods, and the connecting rods are rotatably connected with the stop rods.
As still further aspects of the invention: and one end, close to the piston, of the support rod is provided with a drop-shaped secondary limiting block, and the outer diameter of the secondary limiting block is larger than that of the primary limiting block.
As still further aspects of the invention: the sealing sleeve is arranged outside the piston, the secondary spring is sleeved on the supporting rod, two ends of the secondary spring are respectively connected with the limiting ring and the piston, and the sealing washer is arranged at the joint of the sampling tube and the tube cover.
As still further aspects of the invention: the position on the resistance increasing plate, which is connected with the sampling tube, is provided with a groove, and the groove corresponds to the position of the stop lever.
As still further aspects of the invention: the support frame comprises a mounting plate, a plurality of mounting holes are formed in the mounting plate, and two opposite support plates are symmetrically arranged on the mounting plate.
As still further aspects of the invention: the cross plate is installed to one end between the backup pad near the mounting panel, it has the groove to run through on the cross plate, the size that runs through the groove corresponds with the size of sampling tube, the handle pole is installed to one end of keeping away from the mounting panel between the backup pad.
As still further aspects of the invention: the paying-off structure comprises a reel, the reel is rotatably mounted between two support plates, the rope is wound on the reel, a driver is mounted on one side of each support plate, and the driver is connected with the reel.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the sample collection device of the water quality detection analyzer, the device is used for collecting a water sample at a specified depth of a water body, the piston is pressed to the bottom of the sampling tube before use, the sampling tube is basically free of air, so that the problem of overlarge buoyancy does not occur, after the water is thrown into the water, the whole device continuously sinks, the resistance increasing plate positioned outside the sampling tube rotates to the surface of the attached sampling tube in the sinking process, so that the sinking resistance of the whole device is not increased, after the specified depth is reached, the rope is tightened, the resistance increasing plate is unfolded, the whole device is pulled upwards at the moment, the whole resistance is obviously increased due to the fact that the resistance increasing plate greatly increases the pressure bearing surface of the device, the sampling tube cannot be lifted, the primary limiting block on the supporting rod is blocked by the limiting structure, the limiting structure is forced to deform under the condition that the resistance is overlarge, the primary limiting structure passes, the piston can be pulled upwards gradually, water is injected into the sampling tube through the one-way valve on the barrel cover, and the whole device is pulled back to the water surface finally;
by adopting the water quality detection analyzer sample collection device, the sampling structure of the device uses a pure mechanical structure, the purpose of directly sampling at the appointed depth of the water body is realized on the premise that remote control and additional operation are not needed, the area of the sampling tube for internal sampling is not polluted by the water body with other depths, and water residues with other depths are avoided, so that the accuracy of sampling is ensured to the greatest extent, and the detection precision is improved.
Drawings
FIG. 1 is a schematic diagram of a water quality testing analyzer sample collection device.
Fig. 2 is a schematic structural diagram of a sampling tube in a sample collection device of a water quality detection analyzer.
FIG. 3 is a schematic diagram of the structure of the water quality analyzer sample collection device with the cooperation of the sampling structure and the limiting structure.
Fig. 4 is a schematic structural view of a limiting structure in a sample collection device of a water quality detection analyzer.
In the figure: 1-a supporting frame; 11-a handle bar; 12-supporting plates; 13-a cross plate; 131-a through slot; 14-mounting plates; 141-mounting holes; 2-paying-off structure; 21-a reel; 22-rope; a 23-driver; 3-sampling structure; 31-sampling tube; 32-resistance increasing plates; 321-grooves; 33-a cylinder cover; 331-sealing gasket; 332-a one-way valve; 34-mounting a rod; 341-a chute; 35-limiting rings; 36-supporting rod; 361-a first-stage limiting block; 362-a secondary limiting block; 37-secondary springs; 38-a piston; 381-sealing sleeve; 4-a limiting structure; 41-connecting rod; 42-limiting rods; 43-stop lever; 44-primary spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled 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.
Referring to fig. 1 to 4, in an embodiment of the present invention, a water quality detection analyzer sample collection device includes a support frame 1 and a sampling structure 3; a paying-off structure 2 is mounted on the support frame 1, and the paying-off structure 2 comprises a rope 22; the sampling structure 3 comprises a sampling tube 31, two ends of the sampling tube 31 are opened, a tube cover 33 is arranged at one end of the sampling tube 31, and a one-way valve 332 is arranged on the tube cover 33; a piston 38 is slidably mounted in the sampling tube 31, the piston 38 is connected with a supporting rod 36, and the supporting rod 36 is connected with a rope 22; the end, far away from the cylinder cover 33, of the sampling cylinder 31 is provided with a plurality of mounting rods 34 pointing to the center of the sampling cylinder 31, the mounting rods 34 are connected with a limiting ring 35 positioned in the middle of the sampling cylinder 31, the support rods 36 are provided with primary limiting blocks 361 in a water drop shape, and the limiting ring 35 is provided with a limiting structure 4 surrounding the support rods 36; the limit structure 4 comprises a stop lever 43, the stop lever 43 penetrates out of the sampling tube 31, a plurality of annularly distributed resistance-increasing plates 32 are arranged on the outer wall of the sampling tube 31, the stop lever 43 is positioned between the resistance-increasing plates 32 and the tube cover 33, and the stop lever 43 is attached to the surface of the resistance-increasing plates 32;
the paying-off structure 2 is used for collecting and paying-off the sampling tube 31;
the limiting structure 4 is used for limiting the movement of the limiting block, and the limiting structure 4 is an elastic structure.
The device uses a pay-off structure 2 for the work of putting the sampling structure 3 into the water and withdrawing. The sampling tube 31 of this device is both ends open-ended tubular structure, the cover 33 is installed to sampling tube 31 bottom, internally mounted has piston 38, piston 38 receives the traction of branch 36, install one-level stopper 361 on the branch 36, install mounting panel 14 and spacing ring 35 in the sampling tube 31, limit the position of one-level stopper 361 through the limit structure 4 of installing on spacing ring 35, limit structure 4 belongs to elastic construction, after branch 36 and one-level stopper 361 apply enough effort for limit structure 4, limit structure 4 will take place to warp, make piston 38 pull-up, draw water from the bottom get into in the sampling tube 31.
The sampling tube 31 of the device is externally provided with a plurality of resistance increasing plates 32, and the resistance increasing plates 32 can rotate, but can only rotate upwards or stay at a horizontal position and cannot rotate downwards after being blocked by the stop rod 43. The piston 38 is pressed against the lid of the bucket and the device is normally submerged in water because there is no significant amount of air inside. The limiting structure 4 blocks the first-stage limiting block 361, so that the piston 38 is prevented from being pulled out in advance due to the self weight and other problems before reaching the designated depth. In the descending process, the resistance increasing plate 32 rotates upwards along the water flow direction and is attached to the outside of the sampling tube 31, so that the descending resistance cannot be excessively large.
After the rope 22 descends to the designated depth, the whole device is pulled upwards, the resistance increasing plate 32 is unfolded to be in a plane shape, the resistance area of the sampling tube 31 is obviously increased, the rope 22 needs to exert extremely large force to pull, the huge force acts on the supporting rod 36 and the primary limiting block 361, the pulling force exceeds the upper limit which can be borne by the limiting structure 4, the supporting rod 36 is pulled out, the piston 38 moves upwards in the sampling tube 31, water is pumped into the sampling tube 31 from the bottom one-way valve 332 quickly, and the one-way valve 332 is only used as a structure capable of unidirectionally conveying liquid, so that the device is not limited by the type of the one-way valve 332 shown in the drawing.
The sampling structure 3 of the device is a pure mechanical structure and is matched with the limiting structure 4, automatic sampling can be completed at a specified depth, the obtained water sample is the water sample of the depth, water of other depths cannot enter the sampling tube 31, the condition that garbage in water pollutes the sampling tube 31 or water of other depths remains in the sampling tube 31 is avoided, the sampling accuracy is guaranteed to the greatest extent, and the detection result of a subsequent water quality analyzer is more accurate.
As another embodiment of the present invention, referring to fig. 1 and 4, the limiting structure 4 includes a primary spring 44, a sliding groove 341 is formed in the mounting rod 34, the blocking rod 43 is slidably mounted in the sliding groove 341, the primary spring 44 is mounted at one end of the blocking rod 43 inserted into the sliding groove 341, and the primary spring 44 is connected with the sliding groove 341. The primary spring 44 is located in the chute 341, and the primary spring 44 is connected with the stop lever 43, so that the stop lever 43 has a slidable telescopic effect, the resistance increasing plate 32 can rotate to a position of being attached to the surface of the sampling tube 31 downwards when the stop lever 43 is contracted, resistance can be reduced in the process of lifting the sampling tube 31, and the volume can be reduced in the process of storage.
Referring to fig. 1 and 4, the limiting structure 4 further includes a plurality of annularly distributed limiting rods 42, the middle positions of the limiting rods 42 are rotatably mounted on the limiting rings 35, the limiting rods 42 incline relative to the mounting rods 34, a connecting rod 41 is mounted at one end of the limiting rods 42, which is close to the mounting rods 34, and the connecting rod 41 is rotatably connected with the stop rods 43. The limiting rods 42 are distributed in a ring shape, and each limiting rod 42 is obliquely arranged, so that a clamped space exists in the middle area of the limiting rods 42, the supporting rod 36 is positioned in the space, when the supporting rod 36 is pulled upwards, the protruding primary limiting block 361 abuts against each limiting rod 42, the limiting rods 42 are forced to rotate, the blocking rods 43 are pulled to move through the connecting rods 41, and the primary springs 44 are further compressed in the process. The device mainly uses the elastic force of the primary spring 44 as a source of pressure for limiting the primary limiting block 361 by the limiting rod 42.
Referring to fig. 2, a drop-shaped secondary limiting block 362 is mounted on the end of the strut 36 near the piston 38, and the outer diameter of the secondary limiting block 362 is larger than that of the primary limiting block 361. The second-level stopper 362 is located the branch 36 bottom, and the size is bigger, when first-level stopper 361 and second-level stopper 362 all can lead to gag lever post 42 to rotate when limit structure 4 region is passed through, and make pin 43 inwards pull, the displacement that one-level stopper 361 made pin 43 produce is less, can not lead to increasing the resistance plate 32 to lose the constraint, the displacement that second-level stopper 362 made pin 43 produce is bigger, even the complete inside retracting sampling tube 31, consequently increase the resistance plate 32 and lose the constraint after, can directly rotate downwards to laminating sampling tube 31 surface, promptly after the water intaking is accomplished, increase the resistance plate 32 and will pack up under the effect of second-level stopper 362, follow-up in-process with sampling structure 3 take out need not bear the resistance that increases the resistance plate 32 to bring continuously, more laborsaving.
Referring to fig. 2, a sealing sleeve 381 is installed outside the piston 38, a secondary spring 37 is sleeved on the supporting rod 36, two ends of the secondary spring 37 are respectively connected with a limiting ring 35 and the piston 38, and a sealing washer 331 is installed at the joint of the sampling tube 31 and the tube cover 33. The secondary spring 37 has a small elastic coefficient, and is used for assisting in keeping the piston 38 at the bottom of the sampling tube 31 in the descending process, so that the piston 38 block is prevented from being pulled up in advance due to the problems of low speed of the rope 22 discharging and the like, and the secondary spring 37 does not belong to a necessary structure. The sealing sleeve 381 and the sealing gasket 331 serve to increase the sealability of the entire water intake space.
Referring to fig. 3 and 4, a groove 321 is formed on the resistance increasing plate 32 at a position connected to the sampling tube 31, and the groove 321 corresponds to the position of the stop lever 43. The groove 321 on the resistance increasing plate 32 corresponds to the position of the stop lever 43, and after the resistance increasing plate 32 drops downwards, the convex stop lever 43 can extend out through the groove 321. Before each use, the stop lever 43 needs to be pressed inward and then the resistance increasing plate 32 lifted so that the piston 38 is pulled by the resistance increasing plate 32 under water later.
Referring to fig. 1, the support frame 1 includes a mounting plate 14, a plurality of mounting holes 141 are formed in the mounting plate 14, and two opposite support plates 12 are symmetrically mounted on the mounting plate 14. The mounting plate 14 cooperates with the support plate 12 for supporting the pay-off structure 2, and the mounting holes 141 can be provided with screws or other structures for fixing the support frame 1, or wheels and the like can be arranged on the mounting plate 14 for facilitating movement.
Referring to fig. 1, a transverse plate 13 is mounted between the support plates 12 at one end near the mounting plate 14, a through slot 131 is formed in the transverse plate 13, the size of the through slot 131 corresponds to that of the sampling tube 31, and a handle bar 11 is mounted between the support plates 12 at one end far away from the mounting plate 14. The handle bar 11 enables the device to be lifted and moved directly, and the through slot 131 on the transverse plate 13 can be used for placing the sampling tube 31, so that the device can be carried and moved by one hand. The transverse plate 13 and the handle bar 11 are not necessarily constructed, but are constructed with an improved effect, and other types of support frames 1 may be used to mount the pay-off structure 2.
Referring to fig. 1, the pay-off structure 2 includes a reel 21, the reel 21 is rotatably mounted between two support plates 12, the rope 22 is wound around the reel 21, a driver 23 is mounted on one side of the support plate 12, and the driver 23 is connected to the reel 21. The driver 23 drives the reel 21 to rotate so as to realize the retraction of the rope 22, and the driver 23 can use a motor to be matched with a power supply, so that the whole weight can be reduced, and a manually operated rotating handle can also be used as the driver 23.
The working principle of the invention is as follows:
the device has used support frame 1, install pay off structure 2 on the support frame 1, be used for pulling sampling structure 3, sampling structure 3 uses both ends open-ended sampling tube 31, install cover 33 in sampling tube 31 one end, install check valve 332 on the cover 33, install piston 38 in the sampling tube 31, piston 38 connects branch 36, install convex one-level stopper 361 on the branch 36, sampling tube 31 externally mounted has a plurality of resistance-increasing plates 32, internally mounted has a plurality of installation pole 34, the spacing collar 35 at sampling tube 31 middle part is connected to the installation pole 34, install limit structure 4 on the spacing collar 35, after this device drops into the appointed degree of depth under water, in the in-process of upwards stay cord, resistance-increasing plate 32 increases the resistance of sampling tube 31, through pulling branch 36, can lift piston 38 high, water injection in sampling tube 31. Therefore, the device can stably obtain the water sample with the designated depth, and the problem that pollutants or water samples with other depths remain in the sampling tube 31 to cause pollution is avoided, so that the sampling precision can be effectively improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A water quality detection analyzer sample collection device comprises a support frame and a sampling structure; the paying-off structure is characterized in that the supporting frame is provided with a paying-off structure, and the paying-off structure comprises a rope; the sampling structure comprises a sampling tube, two ends of the sampling tube are provided with openings, one end of the sampling tube is provided with a tube cover, and the tube cover is provided with a one-way valve; a piston is slidably arranged in the sampling tube, the piston is connected with a supporting rod, and the supporting rod is connected with a rope; the one end of the sampling tube far away from the tube cover is provided with a plurality of mounting rods pointing to the center of the sampling tube, the mounting rods are connected with a limiting ring positioned in the middle of the sampling tube, the support rod is provided with a first-stage limiting block in a water drop shape, and the limiting ring is provided with a limiting structure surrounding the support rod; the limiting structure comprises a stop lever, the stop lever penetrates out of the sampling tube, a plurality of annularly distributed resistance-increasing plates are arranged on the outer wall of the sampling tube, the stop lever is positioned between the resistance-increasing plates and the tube cover, and the stop lever is attached to the surface of the resistance-increasing plates;
the paying-off structure is used for winding and unwinding the sampling tube;
the limiting structure is used for limiting the movement of the limiting block, and is an elastic structure.
2. The water quality testing analyzer sample collection device according to claim 1, wherein the limiting structure comprises a primary spring, a chute is formed in the mounting rod, the stop lever is slidably mounted in the chute, the primary spring is mounted at one end of the stop lever inserted into the chute, and the primary spring is connected with the chute.
3. The water quality detection analyzer sample collection device according to claim 2, wherein the limiting structure further comprises a plurality of annularly distributed limiting rods, the middle positions of the limiting rods are rotatably mounted on the limiting rings, the limiting rods are inclined relative to the mounting rods, connecting rods are mounted at one ends, close to the mounting rods, of the limiting rods, and the connecting rods are rotatably connected with the stop rods.
4. The water quality detection analyzer sample collection device according to claim 1, wherein a drop-shaped secondary limiting block is arranged at one end, close to the piston, of the supporting rod, and the outer diameter of the secondary limiting block is larger than that of the primary limiting block.
5. The water quality detection analyzer sample collection device according to claim 1, wherein a sealing sleeve is arranged outside the piston, a secondary spring is sleeved on the supporting rod, two ends of the secondary spring are respectively connected with the limiting ring and the piston, and a sealing gasket is arranged at the joint of the sampling tube and the tube cover.
6. The water quality detection analyzer sample collection device according to claim 1, wherein a groove is formed in the resistance increasing plate at a position connected with the sampling tube, and the groove corresponds to the position of the stop lever.
7. The water quality testing analyzer sample collection device of claim 1, wherein the support frame comprises a mounting plate, wherein a plurality of mounting holes are formed in the mounting plate, and two opposite support plates are symmetrically mounted on the mounting plate.
8. The water quality testing analyzer sample collection device of claim 7, wherein a cross plate is mounted between the support plates at one end near the mounting plate, a through slot is formed in the cross plate, the size of the through slot corresponds to the size of the sampling tube, and a handle bar is mounted between the support plates at one end far away from the mounting plate.
9. The water quality testing analyzer sample collection device of claim 1, wherein the payout mechanism comprises a reel, the reel is rotatably mounted between two support plates, the cord is wound around the reel, a driver is mounted on one side of the support plates, and the driver is connected to the reel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311510253.9A CN117516998B (en) | 2023-11-14 | 2023-11-14 | Water quality testing analysis appearance sample collection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311510253.9A CN117516998B (en) | 2023-11-14 | 2023-11-14 | Water quality testing analysis appearance sample collection device |
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| CN117516998A true CN117516998A (en) | 2024-02-06 |
| CN117516998B CN117516998B (en) | 2024-05-03 |
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| KR20090062470A (en) * | 2007-12-13 | 2009-06-17 | (주)에코션 | Water sampler |
| CN209432517U (en) * | 2018-06-20 | 2019-09-24 | 刘沂轩 | A kind of blind view condition depthkeeping water quality sampling device of deep phreatic water monitoring well |
| CN214373563U (en) * | 2021-03-15 | 2021-10-08 | 新疆维吾尔自治区产品质量监督检验研究院 | Can adjust water quality testing sampler of collection degree of depth |
| CN218381870U (en) * | 2022-10-17 | 2023-01-24 | 湖北孝环环境技术有限公司 | Sampling tool for environmental evaluation aquatic ecology investigation |
| DE202023101906U1 (en) * | 2023-04-14 | 2023-04-21 | Hunan University Of Science And Technology | Device for reliable sediment sampling for deep sea submersibles |
-
2023
- 2023-11-14 CN CN202311510253.9A patent/CN117516998B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090062470A (en) * | 2007-12-13 | 2009-06-17 | (주)에코션 | Water sampler |
| CN209432517U (en) * | 2018-06-20 | 2019-09-24 | 刘沂轩 | A kind of blind view condition depthkeeping water quality sampling device of deep phreatic water monitoring well |
| CN214373563U (en) * | 2021-03-15 | 2021-10-08 | 新疆维吾尔自治区产品质量监督检验研究院 | Can adjust water quality testing sampler of collection degree of depth |
| CN218381870U (en) * | 2022-10-17 | 2023-01-24 | 湖北孝环环境技术有限公司 | Sampling tool for environmental evaluation aquatic ecology investigation |
| DE202023101906U1 (en) * | 2023-04-14 | 2023-04-21 | Hunan University Of Science And Technology | Device for reliable sediment sampling for deep sea submersibles |
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| CN117516998B (en) | 2024-05-03 |
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