CN113640058B - Sampling device capable of achieving fixed-point multiple sampling for urban pipeline water quality detection - Google Patents
Sampling device capable of achieving fixed-point multiple sampling for urban pipeline water quality detection Download PDFInfo
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- CN113640058B CN113640058B CN202111027029.5A CN202111027029A CN113640058B CN 113640058 B CN113640058 B CN 113640058B CN 202111027029 A CN202111027029 A CN 202111027029A CN 113640058 B CN113640058 B CN 113640058B
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- 238000005070 sampling Methods 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 238000012372 quality testing Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 27
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003313 weakening effect Effects 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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- 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
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The invention discloses a sampling device capable of sampling for urban pipeline water quality detection at fixed points for multiple times, which comprises: the pipeline body is arranged on the urban pipeline; the sampling device body is arranged outside the upper end of the liquid outlet pipe through an internal thread pipe; handles which are symmetrically and fixedly arranged at two sides of the upper end of the sampling device body in 2 ways; comprising the following steps: the rack is movably arranged in the upper end of the sampling device body; the guide gear and the collection chamber are respectively arranged in the sampling device body through bearings; the sample storage tube and the cleaning storage tube are both arranged on the outer side of the lower end of the sampling device body. This sampling device for urban pipeline water quality testing that can fix a point multiple sampling is convenient for sample the urban pipeline quality of water under the different time slots and stores, and can avoid the sample to receive the pollution of the last residual sample to can improve the leakproofness, can cushion the impact force of water simultaneously, avoid causing the injury to the sampling device body.
Description
Technical Field
The invention relates to the technical field of urban pipeline water quality correlation, in particular to a sampling device capable of sampling for urban pipeline water quality detection at fixed points for multiple times.
Background
The health degree of human is closely related to the quality of drinking water in daily life, wherein the urban pipeline plays a role in bearing and conveying the drinking water, urban water supply is realized, the water quality standard is gradually improved along with the improvement of social development and living standard, and in order to achieve the aim of detecting the water quality of the urban pipeline, a sampling device is generally used for collecting.
However, the existing sampling device for urban pipeline water quality detection has the following problems:
the utility model discloses a pipeline sampling device for water quality testing for urban water supply for CN112781936A, can sample the operation at any time according to the detection demand, need not at pipeline outer wall direct mount water quality testing appearance, just not have under the operating condition the dismouting inconvenient and high-speed rivers cause the problem of washing away the damage to check out test set easily, reduce detection cost, can satisfy pipeline water quality testing for urban water supply's work demand, however this sampling device for water quality testing for urban pipeline is when using, owing to only be provided with a sample collecting pipe, and then inconvenient sampling storage to urban pipeline quality of water under the different periods, and owing to for same collection room, receive the pollution of residual sample for the first time easily when leading to the secondary to gather, install on the drain pipe through threaded sleeve simultaneously, the leakproofness is relatively poor, the phenomenon of leaking appears easily.
Therefore, we propose a sampling device for urban pipeline water quality detection, which can sample for many times at fixed points, so as to solve the problems mentioned above.
Disclosure of Invention
The invention aims to provide a sampling device for urban pipeline water quality detection, which can be used for sampling a plurality of times at fixed points, so as to solve the problems that the existing sampling device for urban pipeline water quality detection in the current market provided by the background technology is inconvenient for sampling and storing urban pipeline water quality in different time periods, is easy to be polluted by a first residual sample during secondary collection due to the fact that the sampling device is a same collection chamber, is mounted on a liquid outlet pipe through a threaded sleeve, has poor sealing performance and is easy to generate water leakage.
In order to achieve the above purpose, the present invention provides the following technical solutions: sampling device for urban pipeline water quality detection capable of sampling for multiple times at fixed point:
the pipeline body is arranged on the urban pipeline, and the upper end of the pipeline body is connected with a liquid outlet pipe through a water valve;
the sampling device body is arranged outside the upper end of the liquid outlet pipe through an internal thread pipe;
handles which are symmetrically and fixedly arranged at two sides of the upper end of the sampling device body in 2 ways;
comprising the following steps:
the embedded pipe is sleeved in the liquid outlet pipe, is fixed at the bottom of the sampling device body, and is provided with a first one-way circulation valve;
the rack is movably arranged in the upper end of the sampling device body, and the upper end and the lower end of the rack are respectively provided with a pulling plate and a cylindrical rubber plug;
the guide gear and the collection chamber are both arranged in the sampling device body in a bearing way, and the guide gear meshed with the rack is connected with a bevel gear transmission assembly capable of changing the rotation direction through a transmission belt;
the sample storage tube and the cleaning storage tube are both arranged on the outer side of the lower end of the sampling device body, and the sample storage tube and the cleaning storage tube are both provided with a second one-way flow valve.
Preferably, the embedded pipe is further provided with:
the buffer plate is connected with the inner wall of the embedded pipe by the equiangular movable shaft, and a torsion spring is welded between the buffer plate and the embedded pipe, so that the buffer plate can strengthen the weakening effect on the water impact force under the action of the torsion spring;
the first gasbag, second gasbag and sheet rubber, it is hot melt respectively to be connected in the inner wall, inside and the outer wall of inlaying the pipe, and extrusion piece is installed to the one end of second gasbag for the second gasbag can drive extrusion piece and remove.
Preferably, the first air bag and the second air bag are communicated with each other, and the first air bag and the second air bag are arranged at equal angles relative to the center of the embedded pipe, so that after the first air bag is subjected to the pressure action of water, the second air bag can be promoted to expand, and the expanded state is maintained.
Preferably, the inner wall and the outer wall of the rubber sheet are respectively attached to one end of the extrusion block and the inner wall of the liquid outlet pipe, and the upper end and the lower end of the rubber sheet are fixed in the embedded pipe, so that the tightness between the sampling device body and the liquid outlet pipe can be improved under the action of the rubber sheet subjected to extrusion force.
Preferably, the lower end of the bevel gear transmission assembly is fixedly provided with a rotary table, the lower end of the rotary table is internally sleeved with a disc roller, and a ratchet assembly is arranged between the disc roller and the rotary table, so that the disc roller can be driven to rotate when the cylindrical rubber plug moves upwards, and the disc roller cannot be driven to rotate when the cylindrical rubber plug moves downwards.
Preferably, the through hole is formed in the side portion of the lower end of the collection chamber, and the center of the through hole and the center of the second one-way circulation valve are located on the same horizontal plane, so that liquid in the collection chamber can be respectively conveyed into the sample storage tube and the cleaning storage tube through the corresponding relation between the through hole and the second one-way circulation valve.
Preferably, the sample storage tube and the cleaning storage tube are distributed in a staggered mode at equal angles relative to the center of the collection chamber, and the outer walls of the sample storage tube and the cleaning storage tube are mutually attached to the outer wall of the collection chamber, so that the cleaning work of the collection chamber before sampling can be realized, and the sample is prevented from being polluted.
Preferably, the fixed plate is installed to the bottom of disc roller, and fixed plate's upper end fixed mounting respectively has the lateral part to be the abnormal plate and the cylinder that arc form set up to the lateral part laminating of abnormal plate has the ring, makes under the laminating effect of abnormal plate, can carry out spacingly to the ring after the rotation.
Preferably, the outside of ring is equipped with first recess and second recess in a staggered way, and the ring is laminated in the lateral wall of cylinder and abnormal plate through first recess and second recess respectively for under the cooperation effect between cylinder and the first recess, the fixed plate can drive the ring and carry out intermittent type rotation, and then can adjust the play water direction of through-hole.
Compared with the prior art, the invention has the beneficial effects that: the sampling device for urban pipeline water quality detection can sample for many times at fixed points;
1. the sample storage tubes and the cleaning and replacing storage tubes are arranged, so that under the action of the sample storage tubes and the cleaning and replacing storage tubes which are distributed at equal angles and are staggered with each other, the samples in different time periods can be stored at subsequent fixed points, before the samples are collected, the liquid in the water tube can be extracted into the collection chamber in advance, the liquid remained in the collection chamber last time is diluted so as to achieve the cleaning effect, the liquid can be stored into the cleaning and replacing storage tubes, and when the cylindrical rubber plug moves upwards again, the collection chamber can be driven to rotate when the liquid is extracted from the water tube, and the collected samples can be stored until the through holes are opposite to the second one-way flow valves of the sample storage chamber;
2. the buffer plate is arranged, so that when the sampling device body is arranged on the liquid outlet pipe through the internal thread pipe and the water valve is opened, the impact force caused by liquid when the water valve is just opened can be buffered under the action of the buffer plate which is connected on the embedded pipe through the torsion spring movable shaft and distributed at equal angles, and the damage to the sampling device body is avoided;
3. the rubber sheet and the extrusion block are arranged, so that after liquid enters the embedded pipe, the first air bag is extruded, the extrusion block arranged at one end of the second air bag can drive the rubber sheet to be attached to the inner wall of the liquid outlet pipe due to the intercommunication between the first air bag and the second air bag, the tightness in sampling can be enhanced, and the phenomenon of water leakage is avoided.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic diagram of a front sectional structure of a sampling device body according to the present invention;
FIG. 3 is a schematic view of a through-hole in a top-down configuration of the present invention;
FIG. 4 is a schematic diagram of the front cross-section of the liquid outlet pipe of the present invention;
FIG. 5 is a schematic view of a first airbag of the present invention in a top-down configuration;
FIG. 6 is a schematic diagram of a front cross-sectional structure of a buffer plate according to the present invention;
FIG. 7 is a schematic illustration of a front cross-sectional structure of a bevel gear transmission assembly of the present invention;
FIG. 8 is a schematic view of a ring in a top-down view;
fig. 9 is a schematic diagram of a top-down structure of a turntable according to the present invention.
In the figure: 1. a pipe body; 2. a liquid outlet pipe; 201. a water valve; 3. a sampling device body; 4. an internally threaded tube; 5. embedding a pipe; 501. a buffer plate; 5011. a torsion spring; 502. a first air bag; 503. a second air bag; 504. extruding a block; 505. a rubber sheet; 6. a first one-way flow valve; 7. pulling a plate; 8. a handle; 9. a rack; 10. a gear guide; 11. a bevel gear transmission assembly; 12. a transmission belt; 13. a cylindrical rubber stopper; 14. a collection chamber; 15. a through hole; 16. a sample storage tube; 17. cleaning and replacing the storage tube; 18. a second one-way flow valve; 19. a turntable; 20. a disc roller; 21. a ratchet assembly; 22. a fixing plate; 2201. a shaped plate; 2202. a cylinder; 23. a circular ring; 2301. a first groove; 2302. and a second groove.
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. 1-9, the present invention provides a technical solution: sampling device for urban pipeline water quality testing capable of sampling a plurality of times at fixed points, comprises a pipeline body 1, a liquid outlet pipe 2, a water valve 201, a sampling device body 3, an internal thread pipe 4, a tube embedding 5, a buffer plate 501, a torsion spring 5011, a first air bag 502, a second air bag 503, an extrusion block 504, a rubber sheet 505, a first one-way circulation valve 6, a pulling plate 7, a handle 8, a rack 9, a guide gear 10, a bevel gear transmission assembly 11, a transmission belt 12, a cylindrical rubber plug 13, a collecting chamber 14, a through hole 15, a sample storage pipe 16, a cleaning and replacing storage pipe 17, a second one-way circulation valve 18, a turntable 19, a disc roller 20, a ratchet assembly 21, a fixing plate 22, a special-shaped plate 2201, a cylinder 2202, a circular ring 23, a first groove 2301 and a second groove 2302:
the pipeline body 1 is arranged on an urban pipeline, and the upper end of the pipeline body 1 is connected with the liquid outlet pipe 2 through the water valve 201;
the sampling device body 3 is arranged outside the upper end of the liquid outlet pipe 2 through an internal thread pipe 4 in a threaded manner;
handles 8 which are symmetrically and fixedly arranged at two sides of the upper end of the sampling device body 3;
comprising the following steps:
the embedded pipe 5 is sleeved in the liquid outlet pipe 2, the embedded pipe 5 is fixed at the bottom of the sampling device body 3, and a first one-way circulation valve 6 is arranged at the bottom of the sampling device body 3;
the rack 9 is movably arranged in the upper end of the sampling device body 3, and the upper end and the lower end of the rack 9 are respectively provided with a pull plate 7 and a cylindrical rubber plug 13;
the guide gear 10 and the collection chamber 14 are respectively arranged in the sampling device body 3 in a bearing way, and the guide gear 10 meshed with the rack 9 is connected with a bevel gear transmission assembly 11 capable of changing the rotation direction through a transmission belt 12;
the sample storage tube 16 and the cleaning storage tube 17 are both arranged outside the lower end of the sampling device body 3, and the sample storage tube 16 and the cleaning storage tube 17 are both provided with a second one-way flow valve 18;
the embedded pipe 5 is also provided with: a buffer plate 501 connected to the inner wall of the tube 5 by an equiangular movable shaft, and a torsion spring 5011 is welded between the buffer plate 501 and the tube 5; a first air bag 502, a second air bag 503 and a rubber sheet 505, which are respectively connected to the inner wall, the inner part and the outer wall of the embedded pipe 5 by hot melting, and one end of the second air bag 503 is provided with a squeezing block 504; the first air bag 502 and the second air bag 503 are communicated with each other, and the first air bag 502 and the second air bag 503 are arranged at equal angles relative to the center of the embedded pipe 5; the inner and outer walls of the rubber sheet 505 are respectively attached to one end of the extrusion block 504 and the inner wall of the liquid outlet pipe 2, and the upper and lower ends of the rubber sheet 505 are fixed in the embedded pipe 5;
with reference to fig. 1-6, after the water valve 201 is opened, water in the pipe body 1 will impact the sampling device body 3 upwards, and the impact force can be weakened under the action of the buffer plate 501 connected in the pipe embedding 5 through the movable shaft of the torsion spring 5011, so as to avoid damage to the sampling device body 3, meanwhile, after the liquid enters the pipe embedding 5, the first air bag 502 will shrink under the action of the water pressure, and due to the intercommunication between the first air bag 502 and the second air bag 503, the second air bag 503 can be promoted to expand, and then the second air bag 503 can drive the extrusion block 504 to move towards the rubber sheet 505, so that the rubber sheet 505 can be attached to the inner wall of the liquid outlet pipe 2, and the second air bag 503 will always keep the expanded state, so that the tightness between the sampling device body 3 and the liquid outlet pipe 2 can be improved.
A rotary table 19 is fixedly arranged at the lower end of the bevel gear transmission assembly 11, a disc roller 20 is sleeved in the lower end of the rotary table 19, and a ratchet wheel assembly 21 is arranged between the disc roller 20 and the rotary table 19; a through hole 15 is formed in the side part of the lower end of the collecting chamber 14, and the through hole 15 and the center of the second one-way circulation valve 18 are positioned on the same horizontal plane; the sample storage tubes 16 and the cleaning storage tubes 17 are distributed in a staggered manner at equal angles with respect to the center of the collection chamber 14, and the outer walls of the sample storage tubes 16 and the cleaning storage tubes 17 are mutually attached to the outer wall of the collection chamber 14; the bottom of the disc roller 20 is provided with a fixed plate 22, the upper end of the fixed plate 22 is respectively and fixedly provided with a deformed plate 2201 and a cylinder 2202, the side parts of the deformed plate 2201 are arranged in an arc shape, and the side parts of the deformed plate 2201 are attached with a circular ring 23; the outer side of the circular ring 23 is provided with a first groove 2301 and a second groove 2302 in a staggered manner, and the circular ring 23 is respectively attached to the side walls of the cylinder 2202 and the irregular plate 2201 through the first groove 2301 and the second groove 2302;
as shown in fig. 1-3 and fig. 7-9, when the period of time needs to be sampled, the pulling plate 7 and the handle 8 are utilized to drive the rack 9 and the cylindrical rubber plug 13 to synchronously move upwards, so that negative pressure is generated in the collecting chamber 14, liquid in the liquid outlet pipe 2 can be extracted through the first one-way circulation valve 6, the rack 9 can drive the guide gear 10 to rotate through the meshing effect with the guide gear 10, the driving belt 12 can further drive the rotary disc 19 arranged at the lower end of the bevel gear driving assembly 11 to rotate, the disc roller 20 sleeved in the rotary disc 19 can synchronously rotate under the effect of the ratchet wheel assembly 21 arranged between the disc roller 20 and the rotary disc 19, the abnormal plate 2201 and the cylinder 2202 arranged on the fixing plate 22 can be driven to rotate after the disc roller 20 rotates, the fixing plate 22 can drive the circular ring 23 to rotate by utilizing the attaching relation between the cylinder 2202 and the first groove 2301, and can realize the limiting action on the rotated circular ring 23 by utilizing the attaching relation between the irregular plate 2201 and the second groove 2302, so that the circular ring 23 can drive the through hole 15 formed in the collecting chamber 14 to correspond to the second one-way circulation valve 18 arranged on the cleaning storage tube 17, when the pulling plate 7 is pushed to move downwards, liquid in the collecting chamber 14 can be injected into the cleaning storage tube 17 from the second one-way circulation valve 18, and at the moment, due to the action of the ratchet assembly 21, the fixing plate 22 can not drive the collecting chamber 14 to rotate, thereby completing the pre-cleaning of the inside of the collecting chamber 14, avoiding the pollution of the residual liquid in the collecting chamber 14 to the sample solution, and then the collected liquid can be injected into the sample storage tube 16 again by the same working principle, thus, the collection work is completed, and the fixed-point multiple sampling function of the sampling device body 3 can be realized by repeating the steps.
Working principle: when the sampling device for urban pipeline water quality detection capable of taking samples at fixed points is used, as shown in fig. 1-9, the sampling device body 3 is firstly fixed at the upper end of the liquid outlet pipe 2 through the threaded connection between the internal threaded pipe 4 and the liquid outlet pipe 2, when sampling is required at a certain moment, the water valve 201 is opened, liquid in the pipeline body 1 is impacted to the sampling device body 3 between one time, the buffer plate 501 connected with the movable shaft can weaken the impact force of water, damage to the sampling device body 3 is avoided, the interoperability between the first air bag 502 and the second air bag 503 is utilized, the rubber sheet 505 can be driven to be attached to the inner wall of the liquid outlet pipe 2, sealing performance among the sampling devices can be enhanced, then the pulling plate 7 is pulled upwards to move, negative pressure is generated in the collecting chamber 14, liquid can be sucked in, the relationship between the fixing plate 22 and the circular ring 23 is utilized, when the through hole 15 and the second one-way flow valve 18 of the cleaning storage pipe 17 are pushed downwards, the liquid can be led into the cleaning storage pipe 17, further the sample can be filled into the cleaning storage pipe 17, and finally the sample can be prevented from being repeatedly polluted by the sample collecting chamber 14, and the sample can be repeatedly collected in the same way as the sample collecting chamber 1.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (1)
1. Sampling device for urban pipeline water quality detection capable of sampling for multiple times at fixed point:
the pipeline body is arranged on the urban pipeline, and the upper end of the pipeline body is connected with a liquid outlet pipe through a water valve;
the sampling device body is arranged outside the upper end of the liquid outlet pipe through an internal thread pipe;
handles which are symmetrically and fixedly arranged at two sides of the upper end of the sampling device body in 2 ways;
characterized by comprising the following steps:
the embedded pipe is sleeved in the liquid outlet pipe, is fixed at the bottom of the sampling device body, and is provided with a first one-way circulation valve;
the rack is movably arranged in the upper end of the sampling device body, and the upper end and the lower end of the rack are respectively provided with a pulling plate and a cylindrical rubber plug;
the guide gear and the collection chamber are both arranged in the sampling device body in a bearing way, and the guide gear meshed with the rack is connected with a bevel gear transmission assembly capable of changing the rotation direction through a transmission belt;
the sample storage tube and the cleaning and replacing storage tube are both arranged at the outer side of the lower end of the sampling device body, and the sample storage tube and the cleaning and replacing storage tube are both provided with a second one-way circulation valve;
the embedded pipe is also provided with: the buffer plate is connected with the inner wall of the embedded pipe by an equiangular movable shaft, and a torsion spring is welded between the buffer plate and the embedded pipe;
the first air bag, the second air bag and the rubber sheet are respectively connected to the inner wall, the inner part and the outer wall of the embedded pipe in a hot melting way, and one end of the second air bag is provided with an extrusion block;
the first air bag and the second air bag are communicated with each other, and the first air bag and the second air bag are arranged at equal angles relative to the center of the embedded pipe;
the inner wall and the outer wall of the rubber sheet are respectively attached to one end of the extrusion block and the inner wall of the liquid outlet pipe, and the upper end and the lower end of the rubber sheet are fixed in the embedded pipe;
the lower end of the bevel gear transmission assembly is fixedly provided with a rotary table, the lower end of the rotary table is internally sleeved with a disc roller, and a ratchet wheel assembly is arranged between the disc roller and the rotary table;
a through hole is formed in the side part of the lower end of the collecting chamber, and the through hole and the center of the second one-way circulation valve are positioned on the same horizontal plane;
the sample storage tubes and the cleaning storage tubes are distributed in a staggered mode at equal angles relative to the center of the collection chamber, and the outer walls of the sample storage tubes and the cleaning storage tubes are mutually attached to the outer wall of the collection chamber;
the bottom of the disc roller is provided with a fixed plate, the upper end of the fixed plate is respectively and fixedly provided with a deformed plate and a cylinder, the side parts of the deformed plate are arranged in an arc shape, and the side parts of the deformed plate are attached with a circular ring;
the outside of ring is equipped with first recess and second recess in a staggered way, and the ring is laminated in the lateral wall of cylinder and abnormal plate through first recess and second recess respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027029.5A CN113640058B (en) | 2021-09-02 | 2021-09-02 | Sampling device capable of achieving fixed-point multiple sampling for urban pipeline water quality detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027029.5A CN113640058B (en) | 2021-09-02 | 2021-09-02 | Sampling device capable of achieving fixed-point multiple sampling for urban pipeline water quality detection |
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| Publication Number | Publication Date |
|---|---|
| CN113640058A CN113640058A (en) | 2021-11-12 |
| CN113640058B true CN113640058B (en) | 2023-12-22 |
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| CN114923736B (en) * | 2022-06-01 | 2023-05-16 | 连云港市质量技术综合检验检测中心 | Be applied to quality of water volatile matter that water purifier detected and add mark sampling device |
| CN117268847B (en) * | 2023-09-26 | 2024-02-27 | 国家海洋局北海海洋工程勘察研究院 | Anti-pollution marine geological prospecting appearance case |
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| CN213091260U (en) * | 2020-06-23 | 2021-04-30 | 昆山市建设工程质量检测中心 | A fixed point sampling device for water quality testing in city river course |
| CN213875124U (en) * | 2020-12-18 | 2021-08-03 | 云南中烟再造烟叶有限责任公司 | Anti-pollution sampling device for detecting component content of liquid smoke cartridge |
| CN112781936A (en) * | 2020-12-28 | 2021-05-11 | 龚齐 | Sampling device for detecting water quality of pipeline for urban water supply |
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| CN113640058A (en) | 2021-11-12 |
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