CN215811890U - Water sampling device for environmental detection - Google Patents
Water sampling device for environmental detection Download PDFInfo
- Publication number
- CN215811890U CN215811890U CN202122159795.9U CN202122159795U CN215811890U CN 215811890 U CN215811890 U CN 215811890U CN 202122159795 U CN202122159795 U CN 202122159795U CN 215811890 U CN215811890 U CN 215811890U
- Authority
- CN
- China
- Prior art keywords
- sampling
- bottles
- water
- placing
- bottle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 123
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000007613 environmental effect Effects 0.000 title claims description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000004816 latex Substances 0.000 claims description 8
- 229920000126 latex Polymers 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000010840 domestic wastewater Substances 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
- 238000011156 evaluation Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a water sampling device for environment detection, and relates to the technical field of environment detection. The utility model comprises a long rod inserted into water and a plurality of first through holes arranged along the length direction of the long rod, wherein a plurality of sleeves are sleeved on the long rod along the length direction of the long rod. According to the utility model, the sleeves can be fixed on the long rod at equal intervals under the action of the bolts, the sampling bottles are fixed through the fixing mechanisms on the sleeves, then the sampling device is integrally put into river water, at the moment, the connection mechanism is used for canceling the sealing of the openings of the sampling bottles, so that water with different depths in the river water enters the sampling bottles, the problem that the sampling device cannot sample water areas with different depths simultaneously is solved, after sampling is finished, the sampling bottles which are sampled are placed in the placing box, meanwhile, the sampling bottles are fixed through the clamping pieces in the placing box, and the problem that the sampling bottles are placed in disorder is also solved.
Description
Technical Field
The utility model relates to the technical field of environment detection equipment, in particular to a water quality sampling device for environment detection.
Background
The environment monitoring is to design an environment monitoring network by utilizing a GIS technology, the information collected by the environment monitoring can be timely stored and displayed through the GIS, and the selected evaluation area is subjected to detailed site monitoring and analysis. The water quality monitoring is one of the contents of environmental detection, and the water quality monitoring is to study and detect the water temperature, odor, chroma, turbidity, acidity, alkalinity, transparency, total residue and the like of domestic wastewater, industrial wastewater, domestic drinking water, underground water, industrial cooling water, central air conditioning water and seawater. When water quality detection is carried out, a water quality sampling device is required to sample various water sources;
present sampling device can't sample the waters of the different degree of depth simultaneously, may lead to the not accurate detection to the sampling waters, and present device is at the in-process that uses simultaneously, and it is more mixed and disorderly to place of sampling bottle probably to lead to the staff chaotic to confuse the sampling bottle, need the staff to sample again, and then influenced the device's job schedule.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the utility model provides a water sampling device for environment detection, and aims to solve the problems that an existing sampling device cannot sample water areas with different depths simultaneously, detection of the sampled water areas is possibly inaccurate, meanwhile, in the using process of the existing device, a sampling bottle is possibly difficult to replace, the sampling bottle is placed in a mess, and workers are possibly confused, so that the sampling bottle is confused, the workers need to sample again, and the working progress of the device is further influenced.
The utility model specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a quality of water sampling device for environmental monitoring, is including stock and the edge in inserting water stock length is to a plurality of through-holes one of seting up, the stock is followed its length to the cover and is equipped with a plurality of sleeves, and is a plurality of all seted up on the sleeve one with through-hole two that a through-hole corresponds, the inside of through-hole two is provided with and passes it and insert extremely bolt in the through-hole one, and is a plurality of equal fixedly connected with fixing mechanism on the sleeve is a plurality of all be provided with the sampling bottle on the fixing mechanism, and is a plurality of sampling bottle bottleneck department is provided with its confined coupling mechanism, the one end of stock is provided with installation mechanism, one side of installation mechanism is provided with and is used for placing a plurality ofly the sampling bottle place the case and will place the apron that the case opening was closed, it is provided with being used for fixed a plurality of to place the incasement sampling bottle's fastener.
Further, fixed establishment includes fixed connection and is in contact block on the sleeve, set up one on the contact block and be used for placing the hole groove of sampling bottle, still fixedly connected with on the sleeve with the contact block symmetry just is used for fixing the half arc buckle of sampling bottle.
Further, coupling mechanism includes a plurality of the gag of sampling bottle bottleneck department sealed, it is a plurality of equal fixedly connected with connecting rope on the gag, it is a plurality of connecting rope keeps away from the one end of gag has been tied up and is acted as go-between, act as go-between all sets up and keeps away from the end that connecting rope all set up is provided with the pull ring and all sets up.
Further, installation mechanism includes fixed mounting in the installation piece of stock one end, the installation piece is kept away from place one side fixedly connected with of case is used for the lantern ring that the acting as go-between passed, still be provided with on the installation piece and be used for removing the holistic handle of installation piece, the outside cover of handle is equipped with the glued membrane handle cover.
Further, the fastener includes fixed mounting place incasement portion and be used for placing a plurality ofly the latex pad of sampling bottle, set up on the latex pad with a plurality of the standing groove that the sampling bottle corresponds, the inside of placing the case still is provided with a plurality ofly is used for fixing the block cover of sampling bottle still includes be provided with on the apron a plurality ofly with the label that the standing groove corresponds, the label is used for taking notes a plurality ofly the order of placing of sampling bottle.
Further, the cover plate is connected with the placing box through a hinge, and a lock catch is arranged on one side far away from the hinge.
The utility model has the following beneficial effects:
1. the utility model can fix a plurality of sleeves on the long rod at equal intervals through the action of the bolts, fix the sampling bottles through the fixing mechanisms on the sleeves to prevent the sampling bottles from falling off in river water, then a worker can integrally put the sampling device into the river water, the connection mechanism is utilized to cancel the sealing of the bottle openings of the sampling bottles at the moment, so that water with different depths in the river water enters the sampling bottles, thereby solving the problem that the sampling device cannot sample water areas with different depths simultaneously and can possibly cause inaccurate detection of the sampled water areas, after the sampling is finished, the cover plate on the placing box can be opened, the sampled sampling bottles are placed in the placing box, meanwhile, the clamping pieces in the placing box are utilized to fix the sampling bottles, the problem that the sampling bottles are placed in disorder and can possibly cause disorder of the worker, thereby the sampling bottles are mixed up, the sampling is required to be carried out again by the staff.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
reference numerals: 1. a long rod; 2. a first through hole; 3. a sleeve; 4. a second through hole; 5. a fixing mechanism; 6. a sampling bottle; 7. a connecting mechanism; 8. an installation mechanism; 9. placing a box; 10. a cover plate; 11. a fastener; 12. a bolt; 13. locking; 51. a contact block; 52. a hole groove; 53. a semi-arc buckle; 71. a plug cover; 72. connecting ropes; 73. a pull wire; 74. a pull ring; 81. mounting blocks; 82. a collar; 83. a grip; 111. a latex pad; 112. a placement groove; 113. a clamping sleeve; 114. and (4) a label.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.
As shown in figures 1, 2 and 3, a water quality sampling device for environmental detection comprises a long rod 1 inserted into water and a plurality of through holes I2 arranged along the length direction of the long rod 1, wherein the through holes I2 are arranged at equal intervals, the long rod 1 is sleeved with a plurality of sleeves 3 along the length direction of the long rod, a through hole II 4 corresponding to the through hole I2 is arranged on each sleeve 3, a bolt 12 penetrating through the through hole II and inserted into the through hole I2 is arranged in each through hole II 4, a fixing mechanism 5 is fixedly connected to each sleeve 3, a sampling bottle 6 is arranged on each fixing mechanism 5, a connecting mechanism 7 for sealing each sampling bottle 6 is arranged at the bottle mouth of each sampling bottle 6, an installation mechanism 8 is arranged at one end of the long rod 1, a placing box 9 for placing the sampling bottles 6 and a cover plate 10 for closing the opening of the placing box 9 are arranged at one side of the installation mechanism 8, meanwhile, the clamping pieces 11 used for fixing the plurality of sampling bottles 6 are arranged in the placing box 9, in some embodiments, the plurality of sleeves 3 can be fixed on the long rod 1 at equal intervals under the action of the bolts 12, the sampling bottles 6 are fixed through the fixing mechanisms 5 on the plurality of sleeves 3 to avoid falling off in river water, then a worker can integrally put the sampling device into the river water, at the moment, the connecting mechanism 7 is used for canceling the sealing of the openings of the sampling bottles 6, so that water at different depths in the river water enters the plurality of sampling bottles 6, the problem that the sampling device cannot sample water areas at different depths at the same time and detection of the sampling water areas is inaccurate is solved, after sampling is completed, the cover plate 10 on the placing box 9 can be opened, the sampled sampling bottles 6 are placed in the placing box 9, and the clamping pieces 11 in the placing box 9 are used for fixing the sampling bottles 6, the problem that a plurality of sampling bottles 6 are placed in a mess and can cause confusion of workers, so that the sampling bottles 6 are confused and the workers need to sample again is solved, more specifically, firstly, a plurality of sleeves 3 slide along the length direction of a long rod 1 to enable the plurality of sleeves 3 to be arranged on the long rod 1 at equal intervals, at the moment, through holes two 4 formed in the sleeves 3 correspond to through holes one 2 on the long rod 1, then bolts 12 in the through holes two 4 penetrate through the sleeves and are inserted into the through holes one 2, it needs to be explained that the bolts 12 are in threaded connection with the through holes one 2, the plurality of sleeves 3 are fixed at equal intervals along the length direction of the long rod 1, at the moment, the plurality of sampling bottles 6 are fixed on fixing mechanisms 5 on the plurality of sleeves 3, then, the sampling bottles 6 are sealed by utilizing the effect of a connecting mechanism 7, at the moment, the workers can hold an installing mechanism 8 on the long rod 1 to vertically insert the whole long rod 1 into river water, the connection mechanism 7 is used for eliminating the sealing of the sampling bottles 6, so that water with different depths in a river can enter the sampling bottles 6 at the same time, the problem that a sampling device cannot sample water areas with different depths at the same time, and the detection of the sampled water areas is not accurate is solved, when the sampling bottles 6 are sampled, a worker can manually drive the cover plate 10 on the placing box 9 to rotate around a hinge point and then open at the opening of the placing box 9, the sampling bottles 6 are taken down from the fixing mechanism 5 and placed into the placing box 9, the sampling bottles 6 are fixed by utilizing the clamping block in the placing box 9, the actions are repeated, so that the cover plate 10 seals the placing box 9 from the new place, the situation that the sampling bottles 6 are placed in a mess is avoided, the worker can be confused, and the sampling bottles 6 are confused, the sampling is required to be carried out again by the staff.
As shown in fig. 1 and fig. 2, the fixing mechanism 5 includes a contact block 51 fixedly connected to the sleeve 3, and a hole slot 52 for placing the sampling bottle 6 is provided on the contact block 51, and a semi-arc buckle 53 which is symmetrical to the contact block 51 and is used for fixing the sampling bottle 6 is further fixedly connected to the sleeve 3, through the action of the hole slot 52 provided on the contact block 51, the sampling bottle 6 can be attached to the inner wall of the hole slot 52 and placed on the contact block 51, thereby avoiding the shaking of the sampling bottle 6 in work, and affecting the sampling effect, and meanwhile, the semi-arc buckle 53 which is symmetrical to the contact block 51 and is provided on the sleeve 3 is utilized, so that the sampling bottle 6 on the contact block 51 can be fixed, avoiding the sampling bottle 6 from falling off from the contact block 51, and affecting the collection and detection of river water.
As shown in fig. 1 and fig. 2, the connection mechanism 7 includes plugs 71 for sealing the bottle mouths of the plurality of sampling bottles 6, and a connection rope 72 is fixedly connected to each of the plugs 71, and a pulling wire 73 is tied at one end of the connecting ropes 72 far away from the plug cover 71, and the end of the pulling wire 73 far away from the connecting ropes 72 is provided with a pulling ring 74, before the device is launched, the bottle openings of a plurality of sampling bottles 6 can be sealed by a plurality of plug caps 71, and the connecting ropes 72 on the plurality of plugging covers 71 can be bound on the plugging covers by the action of the pulling wire 73, when a plurality of sampling bottles 6 enter river water and sample the river water, the pull rings 74 on the pull wires 73 are pulled to drive the sampling bottles to move, meanwhile, the pull wire 73 also drives the connecting ropes 72 to move and the plug caps 71 remove the sealing of the openings of the sampling bottles 6, so that the water in the river water fills the insides of the sampling bottles 6.
As shown in fig. 1 and 2, the mounting mechanism 8 includes a mounting block 81 fixedly mounted at one end of the long rod 1, and one side of the mounting block 81 far away from the placing box 9 is fixedly connected with a lantern ring 82 for the pull wire 73 to pass through, and the mounting block 81 is further provided with a handle 83 for moving the whole mounting block 81, and meanwhile, the outer side of the handle 83 is sleeved with a collodion handle sleeve, and by using the action of the lantern ring 82 on the mounting block 81, the pull ring 74 in the above can pass through the lantern ring 82 and abut against the lantern ring 82, so that the pull wire 73 in the above can be prevented from falling off on the device due to the fact that the water flow in the river water drives the pull wire 73 in the above is large, and the sealing of the bottleneck of the sampling bottle 6 can not be cancelled by the worker.
As shown in fig. 1 and 3, the engaging member 11 includes a latex pad 111 fixedly installed inside the placing box 9 and used for placing a plurality of sampling bottles 6, and a placing groove 112 corresponding to the plurality of sampling bottles 6 is opened on the latex pad 111, and a plurality of engaging sleeves 113 used for fixing the sampling bottles 6 are also provided inside the placing box 9, and further includes a plurality of labels 114 corresponding to the placing groove 112 are provided on the cover plate 10, and the labels 114 are used for recording the placing sequence of the plurality of sampling bottles 6, when sampling of the sampling bottles 6 is completed, the sampling bottles 6 need to be stored and taken back for detection, at this time, the sampling bottles 6 can pass through the engaging sleeves 113 inside the placing box 9 and placed in the placing groove 112 opened on the latex pad 111, thereby avoiding mixing of the sampling bottles 6 inside the placing box 9 and causing spilling of the sampling water inside the sampling bottles 6, and simultaneously, the stability of the sampling bottles 6 inside the placing box 9 is enhanced by the engaging sleeves 113, it should be noted here that the sampling bottles 6 are correspondingly placed according to the prompt of the label 114 on the cover plate 10 before the sampling bottles 6 are placed in the placing box 9, so that the messy placing of the sampling bottles 6 in the placing box 9 is avoided, and the confusion of workers is caused.
As shown in fig. 1, the cover plate 10 is connected to the placing box 9 by a hinge, and a latch 13 is disposed on a side away from the hinge, so that when the cover plate 10 on the placing box 9 is closed, the placing box 9 and the cover plate 10 can be fixed by the latch 13.
Claims (6)
1. The utility model provides a quality of water sampling device for environmental monitoring, its characterized in that, including stock (1) and the edge of inserting in water stock (1) length is to a plurality of through-hole (2) of seting up, stock (1) is followed its length and is equipped with a plurality of sleeves (3) to the cover, and is a plurality of all seted up on sleeve (3) one with through-hole two (4) that through-hole one (2) correspond, the inside of through-hole two (4) is provided with and passes it and insert extremely bolt (12) in through-hole one (2), and is a plurality of equal fixedly connected with fixed establishment (5) are gone up in sleeve (3), and is a plurality of all be provided with sampling bottle (6) on fixed establishment (5), and is a plurality of sampling bottle (6) bottleneck department is provided with its confined coupling mechanism (7), the one end of stock (1) is provided with installation mechanism (8), one side of installation mechanism (8) is provided with and is used for placing a plurality of sampling bottle (6) place case (9) and will sampling bottle (6) place case (9) with will Place apron (10) that case (9) opening was closed, it is provided with in case (9) to be used for fixing a plurality ofly fastener (11) of sampling bottle (6).
2. The water quality sampling device for environment detection according to claim 1, wherein the fixing mechanism (5) comprises a contact block (51) fixedly connected to the sleeve (3), a hole groove (52) for placing the sampling bottle (6) is formed in the contact block (51), and a semi-arc-shaped buckle (53) which is symmetrical to the contact block (51) and used for fixing the sampling bottle (6) is further fixedly connected to the sleeve (3).
3. The water quality sampling device for the environmental detection according to claim 1, wherein the connection mechanism (7) comprises a plug cap (71) for sealing the bottle mouths of the plurality of sampling bottles (6), a plurality of connection ropes (72) are fixedly connected to the plug cap (71), a pull wire (73) is tied to one end, far away from the plug cap (71), of each connection rope (72), and a pull ring (74) is arranged at the tail end, far away from the connection ropes (72), of each pull wire (73).
4. The water quality sampling device for environment detection as claimed in claim 3, wherein the mounting mechanism (8) comprises a mounting block (81) fixedly mounted at one end of the long rod (1), one side of the mounting block (81) far away from the placing box (9) is fixedly connected with a lantern ring (82) for the pull wire (73) to pass through, a handle (83) for moving the whole mounting block (81) is further arranged on the mounting block (81), and a collodion handle sleeve is sleeved on the outer side of the handle (83).
5. The water quality sampling device for environmental monitoring according to claim 1, wherein the fastener (11) comprises a latex pad (111) fixedly mounted inside the placing box (9) and used for placing a plurality of sampling bottles (6), a placing groove (112) corresponding to the plurality of sampling bottles (6) is formed in the latex pad (111), a plurality of fastening sleeves (113) used for fixing the sampling bottles (6) are further arranged inside the placing box (9), a plurality of labels (114) corresponding to the placing groove (112) are arranged on the cover plate (10), and the labels (114) are used for recording placing sequences of the plurality of sampling bottles (6).
6. The water quality sampling device for environment detection as recited in claim 1, wherein the cover plate (10) is connected with the placing box (9) through a hinge, and a lock catch (13) is arranged on one side far away from the hinge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122159795.9U CN215811890U (en) | 2021-09-07 | 2021-09-07 | Water sampling device for environmental detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122159795.9U CN215811890U (en) | 2021-09-07 | 2021-09-07 | Water sampling device for environmental detection |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215811890U true CN215811890U (en) | 2022-02-11 |
Family
ID=80157416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122159795.9U Expired - Fee Related CN215811890U (en) | 2021-09-07 | 2021-09-07 | Water sampling device for environmental detection |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215811890U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116793764A (en) * | 2023-03-02 | 2023-09-22 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | eDNA sample collection system for aquatic organism environmental damage investigation |
-
2021
- 2021-09-07 CN CN202122159795.9U patent/CN215811890U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116793764A (en) * | 2023-03-02 | 2023-09-22 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | eDNA sample collection system for aquatic organism environmental damage investigation |
CN116793764B (en) * | 2023-03-02 | 2024-05-17 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | EDNA sample collection system for aquatic organism environmental damage investigation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN215811890U (en) | Water sampling device for environmental detection | |
WO2021251706A1 (en) | Manhole cover including inner cover | |
WO2017069414A1 (en) | Sediment sample collection device | |
CN103728159A (en) | Automatic timing in-situ sampling device for underground/surface water | |
CN104729880A (en) | Equipment for sampling water bodies above seabed at fixed distance | |
KR102012314B1 (en) | Water Sampler Having Means Water Lever | |
CA2241123A1 (en) | Underwater sampling apparatus | |
CN214173836U (en) | Underground water sampling device | |
CN218381666U (en) | Sampling device is used in hydraulic engineering reconnaissance | |
CN212668954U (en) | Sewage collection system for environmental detection | |
CN212110614U (en) | Hydrogeology sampling device | |
CN104677680B (en) | Seabed water sample collection equipment | |
CN208999412U (en) | A kind of auxiliary device of water quality testing meter | |
CN214894240U (en) | Sampling structure for water quality measurement and detection | |
CN218056765U (en) | Quick-opening manhole convenient to open and close | |
CN214793984U (en) | Sampling device for rubber oil detection | |
CN218937846U (en) | Water sample collection device | |
CN218099114U (en) | River course sewage monitoring devices based on 5G communication | |
CN212482981U (en) | Waste water treatment monitoring sampling device | |
Litterick et al. | The MacVuti sampler: a new and inexpensive volume sampler for plankton and water | |
CN203132868U (en) | Sampler for aquaculture | |
CN2707660Y (en) | Environmental protection hasp device | |
CN105845024A (en) | Seal latch capable of counting sealing and opening frequency | |
CN213979136U (en) | Semi-closed portable underground water pollution prevention wellhead protection device | |
CN110617851B (en) | Mobile and portable marine data acquisition device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |