CN217845723U - Water quality monitoring stratified sampling device - Google Patents
Water quality monitoring stratified sampling device Download PDFInfo
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- CN217845723U CN217845723U CN202123433316.4U CN202123433316U CN217845723U CN 217845723 U CN217845723 U CN 217845723U CN 202123433316 U CN202123433316 U CN 202123433316U CN 217845723 U CN217845723 U CN 217845723U
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Abstract
The utility model provides a water quality monitoring stratified sampling device belongs to water quality monitoring technical field. The novel water sampling device comprises a sampling seat, wherein a stand column is vertically arranged in the middle of the sampling seat, a plurality of lifting seats are arranged on the stand column along the circumferential direction, a depth adjusting assembly connected with the lifting seats is further arranged on the stand column, a sampling tube is detachably connected onto the stand column, a water taking flow passage connected with the sampling tube is arranged on the side portion of the lifting seat, and an air bag weight reducing mechanism is further arranged on the lifting seat. After sinking the sample seat to deep water department, can take a sample to the water sample of deep water department through the water intaking runner of lift seat lateral part, degree of depth adjusting part can adjust the degree of depth of lift seat and sampling tube in aqueous to carry out the layering sample to the water sample, fill the water sample at the sampling tube after, the gasbag subtracts heavy mechanism can be through the buoyancy of aerifing increase equipment to the gasbag, in order to offset the weight of the interior water sample of sampling tube, make things convenient for the equipment come-up to retrieve.
Description
Technical Field
The utility model belongs to the technical field of water quality monitoring, a water quality monitoring stratified sampling device is related to.
Background
Water quality sampling is an important link of water quality monitoring, and accurate extraction of water body samples at specific time and spatial positions is required; when taking a sample to the deep water, often need carry out the sample of a plurality of layers of depths according to the degree of depth gradient, when carrying out the layering sample at present, generally adopt a water intaking container to transfer the appointed degree of depth, nevertheless because water intaking equipment generally deadweight is great so that equipment sinks in the aquatic, fill water sample back in the sampling tube, the dead weight of equipment can further increase, can lead to equipment to take a sample after the come-up difficulty.
In order to overcome the defects of the prior art, various solutions are proposed through continuous exploration, for example, a water quality monitoring layered sampling device is disclosed in a chinese patent [ application number: 202120324531.1], which comprises a sampling outer cylinder, a layered interval control mechanism and a sampling inner core, wherein the sampling inner core is arranged in the sampling outer cylinder, and the layered interval control mechanism is arranged on one side of the sampling inner core.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a water quality monitoring stratified sampling device.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a water quality monitoring layering sampling device, includes the sample seat, the vertical stand that is provided with in sample seat middle part, the stand on be provided with a plurality of lift seats along circumference, the stand on still be equipped with the degree of depth adjusting part that links to each other with the lift seat, the stand on can dismantle and be connected with the sampling tube, lift seat lateral part be equipped with the water intaking runner that links to each other with the sampling tube, the lift seat on still be equipped with the gasbag and subtract heavy mechanism.
In foretell water quality monitoring stratified sampling device, the degree of depth adjusting part including the vertical lift spout that sets up at the stand lateral part, lift seat the inner insert to the lift spout in, the lift spout in still vertically be provided with the lift screw rod of lift seat spiro union.
In foretell water quality monitoring stratified sampling device, the gasbag subtract heavy mechanism including setting up the gasbag installation cavity in the seat that goes up and down, the gasbag installation cavity in be equipped with the gasbag, gasbag installation cavity top joint have a plastics lid, the stand in still be equipped with the compressed gas steel bottle that links to each other with the gasbag.
In the above water quality monitoring stratified sampling device, the lifting seat is internally provided with an inflation channel, one end of the inflation channel is connected with the air bag, the other end of the inflation channel is connected with the compressed gas steel bottle through a hose, and the lifting seat is internally provided with a valve structure for independently inflating the air bag.
In foretell water quality monitoring stratified sampling device, valve structure including set up the valve groove at sampling tube and lift seat junction, the valve groove pass from inflation channel, the valve inslot have both sides lateral wall and inflation channel sealing connection's valve piece through spring coupling, the sampling tube in still be equipped with valve piece jacking subassembly.
In foretell water quality monitoring stratified sampling device, valve piece jacking subassembly including setting up the piston in the sampling tube, the piston downside be equipped with the floater, the sampling tube lateral part still be equipped with into water runner, the water inlet of intaking runner and water intaking runner link to each other and the delivery port of intaking runner is located the piston downside, the piston top linked firmly the ejector pin, the sampling tube top still be equipped with the ejector pin groove, ejector pin groove and jacking valve piece can be passed to the ejector pin, the ejector pin insert to the ejector pin inslot ejector pin lateral wall and ejector pin inslot wall support and lean on, the external diameter of ejector pin be less than the external diameter of valve piece.
In foretell water quality monitoring stratified sampling device, valve tank bottom still be equipped with the cross-section and be annular stopper No. one, the sampling tube in be equipped with the cross-section and be annular stopper No. two, no. two stoppers be located the piston downside and be located intake runner's delivery port upside.
In the above water quality monitoring stratified sampling device, the upright column is also internally provided with a hose limiting component.
In foretell water quality monitoring stratified sampling device, the lift spout inboard be equipped with the spread groove that links to each other with the bottleneck of compressed gas steel bottle, the spread groove top be connected with spacing pulley through two stretch cords, the hose around establishing spacing pulley upper end and linking to each other with the bottleneck of compressed gas steel bottle.
In foretell water quality monitoring stratified sampling device, the water intaking runner outside be equipped with the filter screen, lift seat downside still be equipped with the solenoid valve, the valve rod of solenoid valve inserts to the water intaking runner in.
Compared with the prior art, the utility model has the advantages of:
1. after sinking the sample seat to deep water department, can take a sample to the water sample of deep water department through the water intaking runner of lift seat lateral part, degree of depth adjusting part can adjust the degree of depth of lift seat and sampling tube in aqueous to carry out the layering sample to the water sample, fill the water sample at the sampling tube after, the gasbag subtracts heavy mechanism can be through the buoyancy of aerifing increase equipment to the gasbag, in order to offset the weight of the interior water sample of sampling tube, make things convenient for the equipment come-up to retrieve.
2. The compressed gas steel bottle can be aerifyd the gasbag through hose and inflation channel, thereby can outwards ejecting and gasbag upper portion can expand the buoyancy that can increase equipment to the lift seat outside with the plastic cover after the gasbag is aerifyd, and valve structure can seal inflation channel, thereby just can open after the full water sample in the sampling tube and can realize that the compressed gas steel bottle carries out the independent purpose of aerifing to a plurality of gasbags.
3. When the sampling tube samples, in the water sample got into the lift seat through the water intaking runner, the runner of intaking can be with water sample drainage to piston downside, can promote the piston upward movement through the buoyancy of floater after the water sample gets into the sampling tube, when the water sample is filled with, the piston can upwards push up the messenger inflation channel intercommunication through the valve piece of ejector pin with the valve inslot, ejector pin and ejector pin groove support to lean on and prevent that gas from getting into in the sampling tube, the external diameter of ejector pin is less than the external diameter of valve piece and can prevents that the ejector pin from blockking up the valve groove.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of a valve block being lifted;
FIG. 3 is a schematic structural view of a hose retainer assembly;
fig. 4 is an enlarged schematic view at a in fig. 1.
In the figure: the device comprises a sampling seat 1, a stand column 2, a lifting seat 3, a depth adjusting component 4, a sampling tube 5, a water taking flow channel 6, an air bag weight reducing mechanism 7, a lifting chute 8, a lifting screw 9, an air bag 10, a plastic cover 11, a compressed gas steel cylinder 12, an inflation channel 13, a hose 14, a valve structure 15, a valve groove 16, a spring 17, a valve block 18, a valve block jacking component 19, a piston 20, a floating ball 21, a water inlet flow channel 22, a mandril 23, a mandril groove 24, a first limiting block 25, a second limiting block 26, a hose limiting component 27, a connecting groove 28, an elastic rope 29, a limiting pulley 30, a filter screen 31, an electromagnetic valve 32 and a valve rod 33.
Detailed Description
As shown in fig. 1 and fig. 2, a water quality monitoring stratified sampling device, includes sample seat 1, the vertical stand 2 that is provided with in 1 middle part of sample seat, stand 2 on be provided with a plurality of lift seats 3 along circumference, stand 2 on still be equipped with the degree of depth adjusting part 4 that links to each other with lift seat 3, stand 2 on can dismantle and be connected with sampling tube 5, 3 lateral parts of lift seat be equipped with the water intaking runner 6 that links to each other with sampling tube 5, lift seat 3 on still be equipped with the gasbag and subtract heavy mechanism 7.
In this embodiment, sink the sample connection to the deep water after, can take a sample to the water sample of deep water department through the water intaking runner of lift seat lateral part, degree of depth adjusting part can adjust the degree of depth of lift seat and sampling tube in aqueous to carry out the layering sample to the water sample, fill up the water sample at the sampling tube after, gasbag subtracts heavy mechanism 7 can be through the buoyancy to the gasbag inflation increase equipment, in order to offset the weight of the interior water sample of sampling tube, make things convenient for the equipment come-up to retrieve.
Specifically, as shown in fig. 1, the depth adjusting assembly 4 includes a lifting chute 8 vertically disposed at a side portion of the upright 2, an inner end of the lifting seat 3 is inserted into the lifting chute 8, and a lifting screw 9 screwed with the lifting seat 3 is vertically disposed in the lifting chute 8. The bottom of the lifting screw is connected with a motor arranged in the sampling seat, and the motor drives the lifting screw to rotate so as to drive the lifting seat to move up and down in the lifting chute.
Specifically, as shown in fig. 1 to 3, the airbag weight reduction mechanism 7 includes an airbag installation cavity disposed in the lifting seat 3, an airbag 10 is disposed in the airbag installation cavity, a plastic cover 11 is fastened to the top of the airbag installation cavity, and a compressed gas steel cylinder 12 connected to the airbag 10 is further disposed in the column 2. An inflation channel 13 is further arranged in the lifting seat 3, one end of the inflation channel 13 is connected with the air bag 10, the other end of the inflation channel 13 is connected with a compressed gas steel cylinder 12 through a hose 14, and a valve structure 15 used for independently inflating the air bag 10 is further arranged in the lifting seat 3. Compressed gas steel bottle can inflate the gasbag through hose and inflation channel, thereby can outwards ejecting and gasbag upper portion can expand the buoyancy that can increase equipment to the seat outside of going up and down with the plastic cover after the gasbag is aerifyd, and valve structure 15 can seal inflation channel, thereby just can open after the full water sample in the sampling tube and can realize that the compressed gas steel bottle carries out the independent purpose of aerifing to a plurality of gasbags.
Specifically, as shown in fig. 1, 3 and 4, the valve structure 15 includes a valve slot 16 disposed at the connection position of the sampling tube 5 and the lifting seat 3, the valve slot 16 penetrates through the inflation channel 13, a valve block 18 with two side walls hermetically connected with the inflation channel 13 is connected to the valve slot 16 through a spring 17, and a valve block jacking assembly 19 is further disposed in the sampling tube 5. Valve piece jacking subassembly 19 is including setting up piston 20 in sampling tube 5, piston 20 downside be equipped with floater 21, sampling tube 5 lateral part still be equipped with into water runner 22, the water inlet of runner 22 and the water intaking runner 6 of intaking link to each other and the delivery port of runner 22 is located the piston 20 downside, piston 20 top linked firmly ejector pin 23, sampling tube 5 top still be equipped with ejector pin groove 24, ejector pin 23 can pass ejector pin groove 24 and jacking valve piece 18, ejector pin 23 insert ejector pin groove 24 in ejector pin 23 the time ejector pin 23 lateral wall and ejector pin groove 24 inner wall support and lean on, the external diameter of ejector pin 23 be less than the external diameter of valve piece 18. During the sampling of sampling tube, in the water sample got into the lift seat through the water intaking runner, the runner of intaking can be with water sample drainage to piston downside, can promote the piston upward movement through the buoyancy of floater after the water sample gets into the sampling tube, when the water sample is filled with, the piston can make the passageway intercommunication of aerifing through the valve piece of ejector pin with the valve inslot is upwards pushed up, ejector pin 23 and ejector pin groove support to lean on and prevent that gas from getting into in the sampling tube, the external diameter of ejector pin 23 is less than the external diameter of valve piece 18 and can prevent ejector pin jam valve groove.
It will be appreciated by those skilled in the art that the compressed gas in the compressed gas cylinder may be an inert gas such as nitrogen.
Preferably, combine fig. 1, fig. 3 and fig. 4 to show, valve slot 16 bottom still is equipped with the cross-section and is annular stopper 25 No. one, sampling tube 5 in be equipped with the cross-section and be annular stopper 26 No. two, stopper 26 be located the piston 20 downside and be located the delivery port upside of inhalant canal 22. A limiting block can limit the valve block, and a limiting block II can limit the piston.
Preferably, as shown in fig. 1 and 2, a hose stop assembly 27 is further provided in the upright 2. The inside of the lifting chute 8 is provided with a connecting groove 28 connected with the mouth of the compressed gas steel cylinder 12, the top of the connecting groove 28 is connected with a limiting pulley 30 through two elastic ropes 29, and the hose 14 is wound on the upper end of the limiting pulley 30 and connected with the mouth of the compressed gas steel cylinder 12. The limiting pulley can limit the hose, the outer end of the hose descends along with the lifting seat because the elastic rope has elasticity, the limiting pulley also can descend along with the elastic rope, and the limiting pulley can prevent the longer hose from being clamped in the lifting sliding groove when the lifting seat descends.
Preferably, as shown in fig. 1, a filter screen 31 is disposed outside the water intake channel 6, an electromagnetic valve 32 is further disposed below the lifting seat 3, and a valve rod 33 of the electromagnetic valve 32 is inserted into the water intake channel 6. The filter screen can prevent that silt in the aquatic from leading to in getting into the water intaking runner or the runner of intaking to block up, and the solenoid valve can be before the sampling tube reachs the target degree of depth or sample and accomplish the back and close the water intaking runner, and during the solenoid valve outage, the valve rod inserts to the water intaking runner in, and when the solenoid valve circular telegram, valve rod and water intaking runner break away from.
The utility model discloses a theory of operation is: after the sampling seat is sunk to a deep water part, a water body sample at the deep water part can be sampled through a water taking flow channel at the side part of the lifting seat, the depth of the lifting seat and the sampling tube in the water can be adjusted by a depth adjusting assembly so as to carry out layered sampling on the water body sample, after the sampling tube is filled with the water body sample, the buoyancy of equipment can be increased by inflating the air bag through an air bag weight reducing mechanism 7 so as to offset the weight of the water body sample in the sampling tube, the equipment is convenient to float and recover, the bottom of a lifting screw rod is connected with a motor arranged in the sampling seat, and the motor drives the lifting screw rod to rotate so as to drive the lifting seat to move up and down in a lifting chute;
the compressed gas steel cylinder can inflate the air bag through the hose and the inflation channel, the air bag can be ejected outwards after being inflated, the upper part of the air bag can be expanded to the outer side of the lifting seat so as to increase buoyancy of equipment, the valve structure 15 can seal the inflation channel, the compressed gas steel cylinder can be opened after the sampling tube is filled with a water sample so as to achieve the purpose that the compressed gas steel cylinder can inflate a plurality of air bags independently, when the sampling tube is used for sampling, the water sample enters the lifting seat through the water taking flow channel, the water inlet flow channel can guide the water sample to the lower side of the piston, the water sample can push the piston to move upwards through the buoyancy of the floating ball after entering the sampling tube, when the water sample is full, the piston can push the valve block in the valve groove upwards through the ejector rod so that the inflation channel is communicated, the ejector rod 23 and the ejector rod groove are abutted to prevent gas from entering the sampling tube, and the outer diameter of the ejector rod 23 is smaller than that the outer diameter of the valve block 18 so as to prevent the ejector rod from blocking the valve groove;
spacing pulley can carry on spacingly to the hose, the hose outer end is because the stretch cord has elasticity when descending along with the lift seat, so spacing pulley also can descend thereupon, spacing pulley can prevent longer hose card when the lift seat descends in the lift spout, the filter screen can prevent that the silt of aquatic from getting into to lead to in the water intaking runner or the runner of intaking to block up, the solenoid valve can be before the sampling tube reachs the target depth or sample and accomplish the back and seal the water intaking runner, when the solenoid valve outage, the valve rod inserts to in the water intaking runner, when the solenoid valve circular telegram, valve rod and water intaking runner break away from.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the sampling base 1, the pillar 2, the lifting base 3, the depth adjusting assembly 4, the sampling tube 5, the water intake runner 6, the air bag weight reducing mechanism 7, the lifting chute 8, the lifting screw 9, the air bag 10, the plastic cover 11, the compressed gas steel cylinder 12, the inflation channel 13, the hose 14, the valve structure 15, the valve groove 16, the spring 17, the valve block 18, the valve block jacking assembly 19, the piston 20, the floating ball 21, the water intake runner 22, the ejector rod 23, the ejector rod groove 24, the first stopper 25, the second stopper 26, the hose stopper assembly 27, the connection groove 28, the elastic rope 29, the stopper pulley 30, the filter screen 31, the solenoid valve 32, the valve rod 3, etc., are used herein more frequently, these terms are merely used to more conveniently describe and explain the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a water quality monitoring stratified sampling device, includes sample seat (1), its characterized in that, sample seat (1) middle part vertical be provided with stand (2), stand (2) on be provided with a plurality of lift seats (3) along circumference, stand (2) on still be equipped with the degree of depth adjusting part (4) that link to each other with lift seat (3), stand (2) on can dismantle and be connected with sampling tube (5), lift seat (3) lateral part be equipped with water intaking runner (6) that link to each other with sampling tube (5), lift seat (3) on still be equipped with the gasbag and subtract heavy mechanism (7).
2. A water quality monitoring stratified sampling device according to claim 1, characterized in that, the degree of depth adjusting subassembly (4) include the vertical lift spout (8) that sets up in the stand (2) lateral part, lift seat (3) the inner insert in lift spout (8), lift spout (8) in still vertically be provided with lift seat (3) spiro union's lifting screw (9).
3. A water quality monitoring stratified sampling device as claimed in claim 2, wherein the air bag weight reduction mechanism (7) comprises an air bag installation cavity arranged in the lifting seat (3), an air bag (10) is arranged in the air bag installation cavity, a plastic cover (11) is clamped at the top of the air bag installation cavity, and a compressed gas steel cylinder (12) connected with the air bag (10) is further arranged in the upright column (2).
4. A water quality monitoring stratified sampling apparatus according to claim 3, wherein an inflation channel (13) is further provided in the lifting seat (3), one end of the inflation channel (13) is connected with the air bag (10), the other end is connected with the compressed gas steel cylinder (12) through a hose (14), and a valve structure (15) for independently inflating the air bag (10) is further provided in the lifting seat (3).
5. A water quality monitoring stratified sampling device according to claim 4, characterized in that, the valve structure (15) include set up in sampling tube (5) and lift seat (3) junction valve slot (16), valve slot (16) pass from inflation channel (13), valve slot (16) in be connected with both sides lateral wall and inflation channel (13) sealing connection's valve piece (18) through spring (17), sampling tube (5) in still be equipped with valve piece jacking subassembly (19).
6. A water quality monitoring stratified sampling device according to claim 5, characterized in that valve block jacking assembly (19) including set up piston (20) in sampling tube (5), piston (20) downside be equipped with floater (21), sampling tube (5) lateral part still be equipped with into water runner (22), the water inlet of into water runner (22) and water intaking runner (6) link to each other and the delivery port of intaking runner (22) is located the piston (20) downside, piston (20) top linked firmly ejector pin (23), sampling tube (5) top still be equipped with ejector pin groove (24), ejector pin (23) can pass ejector pin groove (24) and jacking valve block (18), ejector pin (23) when inserting in ejector pin groove (24) ejector pin (23) outer wall and ejector pin groove (24) inner wall support, the external diameter of ejector pin (23) be less than the external diameter of valve block (18).
7. A water quality monitoring stratified sampling device as claimed in claim 6, wherein the bottom of the valve groove (16) is further provided with a first limit block (25) with an annular cross section, the sampling tube (5) is internally provided with a second limit block (26) with an annular cross section, and the second limit block (26) is positioned on the lower side of the piston (20) and on the upper side of the water outlet of the water inlet flow passage (22).
8. A water quality monitoring stratified sampling apparatus according to any one of claims 4 to 7, wherein a hose limiting assembly (27) is further provided within the column (2).
9. The water quality monitoring stratified sampling device of claim 8, wherein the inner side of the lifting chute (8) is provided with a connecting groove (28) connected with the mouth of the compressed gas cylinder (12), the top of the connecting groove (28) is connected with a limiting pulley (30) through two elastic ropes (29), and the hose (14) is wound around the upper end of the limiting pulley (30) and connected with the mouth of the compressed gas cylinder (12).
10. A water quality monitoring stratified sampling device according to any one of claims 1-7, wherein a filter screen (31) is arranged outside the water intake channel (6), an electromagnetic valve (32) is further arranged on the lower side of the lifting seat (3), and a valve rod (33) of the electromagnetic valve (32) is inserted into the water intake channel (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123433316.4U CN217845723U (en) | 2021-12-29 | 2021-12-29 | Water quality monitoring stratified sampling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123433316.4U CN217845723U (en) | 2021-12-29 | 2021-12-29 | Water quality monitoring stratified sampling device |
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| CN217845723U true CN217845723U (en) | 2022-11-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116481859A (en) * | 2023-04-26 | 2023-07-25 | 许芸 | Water quality sampling detection device and detection method |
| CN117419970A (en) * | 2023-12-15 | 2024-01-19 | 常州科德水处理成套设备股份有限公司 | Sewage detection is with supplementary sampling device |
| CN117825109B (en) * | 2024-03-06 | 2024-05-17 | 辽宁嘉泽建设工程有限公司 | Water sampling device for comprehensive treatment of river channel |
-
2021
- 2021-12-29 CN CN202123433316.4U patent/CN217845723U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116481859A (en) * | 2023-04-26 | 2023-07-25 | 许芸 | Water quality sampling detection device and detection method |
| CN116481859B (en) * | 2023-04-26 | 2024-01-05 | 广东联一水产科技发展有限公司 | Water quality sampling detection device and detection method |
| CN117419970A (en) * | 2023-12-15 | 2024-01-19 | 常州科德水处理成套设备股份有限公司 | Sewage detection is with supplementary sampling device |
| CN117419970B (en) * | 2023-12-15 | 2024-02-27 | 常州科德水处理成套设备股份有限公司 | Sewage detection is with supplementary sampling device |
| CN117825109B (en) * | 2024-03-06 | 2024-05-17 | 辽宁嘉泽建设工程有限公司 | Water sampling device for comprehensive treatment of river channel |
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