CN210665139U - Water sample collection device applied to shallow water area - Google Patents
Water sample collection device applied to shallow water area Download PDFInfo
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- CN210665139U CN210665139U CN201921359621.3U CN201921359621U CN210665139U CN 210665139 U CN210665139 U CN 210665139U CN 201921359621 U CN201921359621 U CN 201921359621U CN 210665139 U CN210665139 U CN 210665139U
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Abstract
The utility model relates to a be applied to water sample collection system in shallow water region relates to the technical field of water sample collection. General water sample collection system can not accurately sample in the waters of different degree of depth, perhaps is the water sample influence by other depths easily in the waters of different degree of depth in the sampling process, causes the inaccurate condition of sampling result. The novel water container comprises a water container, wherein the upper opening and the lower opening of the water container are arranged, a first rubber pad is arranged on the upper surface of the water container, and a second rubber pad is arranged at the bottom in the water container; and the upper end of the water container is fixed with a long rope. An operator sinks the water container into water, the depth of the water container is changed by winding and unwinding the long rope, when the water container moves downwards, the first rubber pad and the second rubber pad are in an open state, water continuously enters and exits the water container, and when the water container reaches the required depth, the water container is pulled out, so that the water container is kept closed, and the influence caused by the fact that water samples enter the water container at other depths is avoided.
Description
Technical Field
The utility model belongs to the technical field of the technique of water sample collection and specifically relates to a be applied to shallow water regional water sample collection system is related to.
Background
With the development of economic society, the problem of water pollution is more and more serious, the sewage and industrial wastewater discharged into rivers, lakes and seas damage the natural ecology and harm the human health, the water quality monitoring work is particularly important for the treatment of water pollution, and the water sampling is an important link in the water quality monitoring. Water sample collection often needs to be carried out repeated work for multiple times to carry out water sample collection on different places and different depths of the same place, and then the quality condition of a water body is determined.
The existing water sample collecting device is simple and crude, generally adopts manpower to directly collect water in a water collecting area, an operator directly uses the water container, or uses some simple tools for assistance, and the water container is directly taken after being placed into a certain depth.
The above prior art solutions have the following drawbacks: the general collecting device does not have the capability of collecting water samples at different depths, the water container reaches a certain depth when entering water, and the water samples at different depths can not be accurately sampled when the water container is taken out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be applied to water sample collection system in shallow water region can sample the different degree of depth waters in, can also guarantee that the water sample of gathering in the water container does not receive the water sample interference of other degree of depth.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a water sample collecting device applied to a shallow water area comprises a water container, wherein a first communicating hole is formed in the upper surface of the water container, a second communicating hole is formed in the lower surface of the water container, and the second communicating hole penetrates through the water container and is connected with the first communicating hole; a first rubber pad is sealed at an upper hole of the first through hole, and a first screw for fixing the first rubber pad and the upper end of the water container is arranged at the upper end of the first rubber pad; a second rubber pad is arranged at the bottom in the water container and is sealed at an upper orifice of the second communicating hole, and a second screw for fixing the second rubber pad and the bottom in the water container is arranged at the upper end of the second rubber pad; the upper end fixedly connected with extensible member of flourishing hydrophone, the upper end of extensible member is fixed with long rope, and the one end that the extensible member was kept away from to long rope is equipped with the reel, and long rope is convoluteed on the reel periphery wall, and the outside of reel is equipped with the fixing base, and the reel rotates to be connected in the fixing base.
By adopting the technical scheme, an operator puts the water container into water, the water container can sink in the water due to certain gravity of the first unit sleeve, and the operator can collect water samples at different depths by controlling the length of the long rope; when the water container moves to the water bottom in water, the first rubber pad and the second rubber pad can turn upwards for a certain angle after being subjected to upward resistance, so that water continuously enters the water container from the second communicating hole and then flows out of the water container from the first communicating hole, and when the water container sinks to the required depth, the water sample in the water container is the water sample at the depth; the operator withdraws the long rope again, and the first rubber pad and the second rubber pad are subjected to downward resistance at the moment, so that the first rubber pad and the second rubber pad seal the water container, and water samples at other depths do not enter the water container any more; the water sample that final operator obtained is the water sample of required degree of depth promptly, does not receive the influence of other degree of depth water samples.
The utility model discloses further set up to: the telescopic piece comprises a first unit sleeve, a second unit sleeve and a third unit sleeve; the upper end of the first unit sleeve is provided with a second unit sleeve, and the upper end of the second unit sleeve is provided with a third unit sleeve; the first unit sleeve, the second unit sleeve and the third unit sleeve are connected in a sliding manner; the first unit sleeve, the second unit sleeve and the third unit sleeve are arranged on the same central axis; the first unit sleeve and the second unit sleeve are arranged in a hollow mode, and the lower surface of the third unit sleeve is provided with a connecting hole; the inner peripheral wall of the lower end of the second unit sleeve is fixedly provided with a first closing ring, the outer peripheral wall of the lower end of the first unit sleeve is fixedly provided with a first flaring ring, the diameter of the first flaring ring is larger than the inner diameter of the second unit sleeve, the upper end of the first unit sleeve is fixedly provided with a butting disc, the butting disc is positioned in the second unit sleeve, the lower end of the butting disc is butted against the upper end of the first closing ring, the outer peripheral wall of the upper end of the second unit sleeve is fixedly provided with a second flaring ring, the second flaring ring is slidably connected in the third unit sleeve, the inner peripheral wall of the lower end of the third unit sleeve is fixedly provided with a second closing ring, and the lower end of the second flaring ring is butted against the upper end of the second closing ring.
By adopting the technical scheme, in the sampling process, the water flow can drive the long rope to incline, and the actual sampling depth is smaller than the preset sampling depth, so that the sampling result is inaccurate; in this scheme, the setting of extensible member can improve the operator and to the radial controllability of long rope edge long rope for in the sample process, reduce the degree of long rope slope, thereby improve the sampling precision.
The utility model discloses further set up to: and a foam block is fixed on the peripheral wall of the upper end of the third unit sleeve.
Through adopting above-mentioned technical scheme, when the operator gathered the water sample, put third unit cover on the surface of water, the foam block made third unit cover float, and the operator need not hold third unit cover on one hand, receive and release long rope on one hand, and it is more simple and convenient to operate.
The utility model discloses further set up to: a bidirectional screw rod is further erected in the fixed seat, positive threads and negative threads are arranged on the outer peripheral wall of the bidirectional screw rod, and the head end and the tail end of the positive threads are connected with the head end and the tail end of the negative threads respectively; a driving assembly for driving the bidirectional screw rod and the winding drum to rotate in the same direction is arranged in the fixed seat; a moving block is connected to the outer peripheral wall of the bidirectional screw rod in a threaded manner, a first roller and a second roller are arranged at one end of the moving block, and a gap for the long rope to pass through is reserved between the first roller and the second roller; a limiting rod is further erected in the fixed seat and penetrates through the moving block to be fixedly connected to the two sides of the fixed seat.
Through adopting above-mentioned technical scheme, the operator is when rotating the reel and withdrawing long rope, two-way lead screw takes place to rotate under the effect of belt pulley, the movable block is on two-way lead screw surface along two-way lead screw axial reciprocating motion this moment, the movable block drives long rope along two-way lead screw axial reciprocating motion, make long rope be the heliciform winding on the reel periphery wall, make long rope more even on the reel periphery wall, neat, reduce the condition that long rope pile together when the winding, the condition that appears blocking when avoiding emitting long rope.
The utility model discloses further set up to: and scale marks are fixed on the peripheral wall of the long rope.
By adopting the technical scheme, an operator can observe the measuring depth more clearly by observing the scale marks, so that the measuring depth is more accurate.
The utility model discloses further set up to: and a filter screen is fixed on the inner peripheral wall of the second communicating hole.
Through adopting above-mentioned technical scheme, prevent that some rubbish of aquatic from getting into the second intercommunicating pore, influencing the water sample of gathering.
The utility model discloses further set up to: the upper end of the first rubber pad is fixed with a leather rope, the outer peripheral wall of the water container is fixed with a retaining ring used for being connected with the leather rope, the retaining ring is located on the outer peripheral wall of the water container, and the retaining ring is close to the first screw.
Through adopting above-mentioned technical scheme, the water sample is gathered and is accomplished the back, and the operator fixes the leather rope on the buckle, makes first rubber pad by upwards pulling, makes first communicating hole keep the open mode, and the operator can empty the water sample of gathering into detecting instrument in, and operator's operation is more convenient.
The utility model discloses further set up to: the upper hole opening of the first communicating hole is provided with a guide groove communicated to the outside of the first communicating hole.
Through adopting above-mentioned technical scheme, when the operator emptys the water sample, the water sample flows out from the flourishing hydrophone more easily through the guiding groove.
To sum up, the utility model discloses a beneficial technological effect does:
1. according to the scheme, the water container can collect water samples in water areas with different depths, and is not influenced by water samples with other depths in the collection process;
2. in the scheme, the long rope is positioned in the first unit sleeve, the second unit sleeve and the third unit sleeve, so that the long rope is not influenced by water flow as much as possible, and a measuring result is more accurate;
3. in this scheme, the cooperation of two-way lead screw and long rope makes long rope be the heliciform winding on the reel periphery wall at the in-process of withdrawing, and when the operator put long rope, long rope was difficult for blocking.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a schematic structural view of the interior of the fixing base in fig. 1.
Fig. 3 is a cross-sectional view of the embodiment of fig. 1, illustrating the internal structure.
Fig. 4 is a sectional view of the embodiment of fig. 1 in another state, for illustrating an internal structure.
In the figure, 1, a water container; 2. a reel; 3. a rotating shaft; 4. a telescoping member; 41. a first unit case; 42. a second unit case; 43. a third unit case; 5. a fixed seat; 51. a vertical plate; 52. a horizontal plate; 6. a long rope; 61. scale lines; 62. a pressing block; 63. abutting against the hole; 7. a foam block; 8. a bidirectional screw rod; 81. a positive thread; 82. reverse threads; 9. a moving block; 10. a connecting plate; 11. a first roller; 12. a second roller; 13. a limiting rod; 14. a handle; 15. a first bearing; 16. a second bearing; 17. a fixing plate; 18. a first flared ring; 19. a first collar ring; 20. a butting tray; 21. a second collar ring; 22. a second flared ring; 23. a leather rope; 24. chamfering; 25. a retaining ring; 26. a first rubber pad; 27. a first screw; 28. a second screw; 29. a second rubber pad; 30. a filter screen; 31. a second communication hole; 32. a first communication hole; 33. a guide groove; 34. a second transmission wheel; 35. a first drive pulley; 36. a drive belt; 37. connecting holes; 38. a drive assembly.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, in order to the utility model discloses a be applied to water sample collection system in shallow water area, including water container 1, fixing base 5 includes a horizontal plate 52 and two vertical plates 51, and two vertical plates 51 divide into the both sides that are fixed in horizontal plate 52, are equipped with reel 2 between two vertical plates 51, and reel 2 is the horizontal direction setting, and reel 2 internal fixation has a rotation axis 3, all is fixed with first bearing 15 in two vertical plates 51, and rotation axis 3 passes first bearing 15 and rotates and connect in two vertical plate 51 inner walls; a handle 14 is arranged on one side of the vertical plate 51 far away from the winding drum 2, the handle 14 is fixed on the surface of the rotating shaft 3, and an operator can rotate the handle 14 along the circumferential direction to drive the winding drum 2 to rotate; the outer peripheral wall of the winding drum 2 is wound with a long rope 6, and the outer peripheral wall of the long rope 6 is fixed with scale marks 61.
Referring to fig. 1 and 2, a second bearing 16 is fixed in each of the two vertical plates 51, a bidirectional screw 8 is further arranged between the two vertical plates 51, the bidirectional screw 8 passes through the second bearing 16 and is rotatably connected to the inner walls of the two vertical plates 51, a positive thread 81 and a negative thread 82 are fixed on the outer peripheral wall of the bidirectional screw 8, and the head and the tail ends of the positive thread 81 and the head and the tail ends of the negative thread 82 are respectively connected with each other; the outer peripheral wall of the bidirectional screw 8 is further in threaded connection with a moving block 9, two connecting plates 10 symmetrically arranged along the central axis of the moving block 9 are fixed at the upper end of the moving block 9, a first idler wheel 11 and a second idler wheel 12 are arranged between the two connecting plates 10, the first idler wheel 11 and the second idler wheel 12 are rotatably connected to the inner walls of the two connecting plates 10, the first idler wheel 11 and the second idler wheel 12 are both arranged along the horizontal direction, the second idler wheel 12 is located below the first idler wheel 11, and a gap for the long rope 6 to pass through is reserved between the first idler wheel 11 and the second idler wheel 12; a limiting rod 13 is arranged below the bidirectional screw rod 8, the limiting rod 13 is erected between the two vertical plates 51, and the limiting rod 13 penetrates through the moving block 9.
Be equipped with drive assembly 38 in the fixing base 5, drive assembly 38 includes first drive wheel 35, second drive wheel 34, driving belt 36, first drive wheel 35 is located the periphery wall of axis of rotation 3, second drive wheel 34 is located the periphery wall of two-way lead screw 8, driving belt 36 is located the periphery wall of first drive wheel 35 and second drive wheel 34, when operator circumferential direction rotated reel 2, the cooperation of first drive wheel 35, second drive wheel 34, driving belt 36 can drive two-way lead screw 8 syntropy and rotate. When an operator rotates the handle 14 in the circumferential direction, the winding drum 2 rotates along with the handle, the long rope 6 can be withdrawn, meanwhile, the bidirectional screw rod 8 also rotates, the moving block 9 is driven to move back and forth in the axial direction of the bidirectional screw rod 8, the long rope 6 is spirally wound on the outer circumferential wall of the winding drum 2, the situation that the long rope 6 is accumulated together when being wound is avoided, and the long rope 6 is easy to block when being discharged next time.
Referring to fig. 3 and 4, an extensible member 4 is fixed to one end of the long rope 6, which is far away from the drum 2, the extensible member 4 includes a first unit sleeve 41, a second unit sleeve 42 and a third unit sleeve 43, the first unit sleeve 41, the second unit sleeve 42 and the third unit sleeve 43 are arranged on the same central axis, the extensible member 4 is arranged along the vertical direction, the first unit sleeve 41 is located below the second unit sleeve 42, the second unit sleeve 42 is located below the third unit sleeve 43, a connecting hole 37 is formed in the lower surface of the third unit sleeve 43, and a second closing ring 21 is fixed to the inner peripheral wall of the lower end of the third unit sleeve 43; the second unit sleeve 42 is hollow, a second flared ring 22 is fixed on the outer peripheral wall of the upper end of the second unit sleeve 42, the lower side of the second flared ring 22 abuts against the upper side of the second closed ring 21, and the second flared ring 22 is slidably connected in the connecting hole 37; a first closing ring 19 is fixed on the inner peripheral wall of the lower end of the second unit sleeve 42; the first unit sleeve 41 is hollow, the upper end of the first unit sleeve 41 is fixed with the abutting disc 20, the diameter of the abutting disc 20 is larger than that of the first unit sleeve 41, the abutting disc 20 is located inside the second unit sleeve 42, the lower side portion of the abutting disc 20 abuts against the upper side of the first closing ring 19, the abutting disc 20 is connected in the second unit sleeve 42 in a sliding mode, the lower end outer peripheral wall of the first unit sleeve 41 is fixed with the first opening expanding ring 18, and the diameter of the first opening expanding ring 18 is larger than the inner diameter of the first closing ring 19.
The surface of the abutting disc 20 is provided with an abutting hole 63, the long rope 6 penetrates through the abutting hole 63 and is positioned inside the telescopic part 4, one end, far away from the winding drum 2, of the long rope 6 is fixed with an abutting block 62, the diameter of the abutting block 62 is larger than that of the abutting hole 63, and the long rope 6 is prevented from being separated from the telescopic part 4. A foam block 7 is fixed to the upper end outer peripheral wall of the third unit case 43.
Referring to fig. 1, two fixing plates 17 are fixed on the outer circumferential wall of the first flared ring 18, and the two fixing plates 17 are symmetrically arranged along the central axis of the first unit sleeve 41; the water container 1 is positioned below the first unit sleeve 41, and one ends of the two fixing plates 17 far away from the first flared ring 18 are fixedly connected to the outer peripheral wall of the water container 1.
Referring to fig. 4, the water container 1 is arranged in a vertical direction, a first communication hole 32 is formed in the upper surface of the water container 1, a second communication hole 31 is formed in the lower surface of the water container 1, and the second communication hole 31 penetrates through the water container 1 and is connected with the first communication hole 32; the upper end of the water container 1 is provided with a first rubber pad 26, the first communication hole 32 is in a closed state due to the first rubber pad 26, a first screw 27 is fixed on the upper surface of the first rubber pad 26, and the first screw 27 nails the part of the first rubber pad 26 to the upper end of the water container 1; a second rubber pad 29 is arranged at the upper end of the bottom of the water container 1, the second communicating hole 31 is in a closed state through the second rubber pad 29, a second screw 28 is fixed on the upper surface of the second rubber pad 29, and part of the second rubber pad 29 is nailed at the upper end of the bottom in the water container 1 through the second screw 28; the inner peripheral wall of the water container 1 is provided with a guide groove 33, the guide groove 33 is arranged along the outer peripheral wall direction of the water container 1 from the inner peripheral wall of the water container 1, the guide groove 33 and the first screw 27 are oppositely arranged along the central axis of the water container 1, and the guide groove 33 can pour out water samples in the water container 1 more conveniently; a leather rope 23 is fixed at the upper end of the first rubber pad 26, an inverted hook 24 is fixed at one end of the leather rope 23 far away from the chair bottom rubber pad, a retaining ring 25 used for being connected with the inverted hook 24 is fixed on the outer peripheral wall of the water container 1, and the retaining ring 25 is positioned on the outer peripheral wall close to the first screw 27; a filter screen 30 is fixed on the inner wall of the second communication hole 31 for preventing some garbage from entering the water container 1.
The implementation principle of the embodiment is as follows: when an operator needs to measure water samples with different depths, the operator rotates the handle 14 in the circumferential direction to drive the winding drum 2 to rotate in the circumferential direction, the long rope 6 is discharged, and the extensible part 4 can extend and retract so as to achieve the purpose of collecting water samples with different depths; when the water container 1 moves downwards, the first rubber pad 26 and the second rubber pad 29 are under the action of upward resistance, water flow is enabled to continuously enter and exit all the time, when the water container 1 reaches the required depth, an operator rotates the handle 14 to withdraw the long rope 6, the pressing block 62 moves upwards to abut against the lower end of the abutting disc 20 to drive the first unit sleeve 41 to move upwards, the first flaring ring 18 moves upwards to abut against the first closing ring 19 to drive the second unit sleeve 42 to move upwards, and the second unit sleeve 42 moves upwards to the inner bottom of the third unit sleeve 43; when the water container 1 moves upwards, the first rubber pad 26 and the second rubber pad 29 are subjected to downward resistance, so that the first communicating hole 32 and the second communicating hole 31 are kept in a closed state, and the influence on the accuracy of the collected water sample caused by the fact that water flow enters the water container 1 at other depths is avoided.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a be applied to water sample collection system in shallow water region, includes water container (1), its characterized in that: the upper surface of the water container (1) is provided with a first communicating hole (32), the lower surface of the water container (1) is provided with a second communicating hole (31), and the second communicating hole (31) penetrates through the water container (1) and is connected with the first communicating hole (32); a first rubber pad (26) is sealed at the upper hole opening of the first communication hole (32), and a first screw (27) for fixing the first rubber pad (26) and the upper end of the water container (1) is arranged at the upper end of the first rubber pad (26); a second rubber pad (29) is arranged at the bottom in the water container (1), the second rubber pad (29) is sealed at an upper orifice of the second communicating hole (31), and a second screw (28) used for fixing the second rubber pad (29) and the bottom in the water container (1) is arranged at the upper end of the second rubber pad (29); the upper end fixedly connected with extensible member (4) of hydrophone (1), the upper end of extensible member (4) is fixed with long rope (6), and the one end that extensible member (4) were kept away from in long rope (6) is equipped with reel (2), and long rope (6) are convoluteed on reel (2) periphery wall, and the outside of reel (2) is equipped with fixing base (5), and reel (2) rotate to be connected in fixing base (5).
2. A water sample collection device applied to a shallow water area according to claim 1, wherein: the telescopic piece (4) comprises a first unit sleeve (41), a second unit sleeve (42) and a third unit sleeve (43); a second unit sleeve (42) is arranged at the upper end of the first unit sleeve (41), and a third unit sleeve (43) is arranged at the upper end of the second unit sleeve (42); the first unit sleeve (41), the second unit sleeve (42) and the third unit sleeve (43) are connected in a sliding manner; the first unit sleeve (41), the second unit sleeve (42) and the third unit sleeve (43) are arranged on the same central axis; the first unit sleeve (41) and the second unit sleeve (42) are arranged in a hollow mode, and the lower surface of the third unit sleeve (43) is provided with a connecting hole (37); a first closing ring (19) is fixed on the inner peripheral wall of the lower end of the second unit sleeve (42), a first flaring ring (18) is fixed on the outer peripheral wall of the lower end of the first unit sleeve (41), the diameter of the first flaring ring (18) is larger than the inner diameter of the second unit sleeve (42), a butting disc (20) is fixed at the upper end of the first unit sleeve (41), the butting disc (20) is located in the second unit sleeve (42), the lower end of the butting disc (20) is butted at the upper end of the first closing ring (19), a second flaring ring (22) is fixed on the outer peripheral wall of the upper end of the second unit sleeve (42), the second flaring ring (22) is slidably connected in the third unit sleeve (43), a second closing ring (21) is fixed on the lower end of the third unit sleeve (43), the lower end of the second flaring ring (22) is butted at the upper end of the second closing ring (21), and the first unit sleeve (41) is fixedly connected to the water container (1).
3. A water sample collection device applied to a shallow water area according to claim 2, wherein: and a foam block (7) is fixed on the outer peripheral wall of the upper end of the third unit sleeve (43).
4. A water sample collection device applied to a shallow water area according to claim 1, wherein: a bidirectional screw rod (8) is further erected in the fixed seat (5), a positive thread (81) and a negative thread (82) are arranged on the outer peripheral wall of the bidirectional screw rod (8), and the head end and the tail end of the positive thread (81) are connected with the head end and the tail end of the negative thread (82) respectively; a driving component (38) for driving the bidirectional screw rod (8) and the winding drum (2) to rotate in the same direction is arranged in the fixed seat (5); a moving block (9) is connected to the outer peripheral wall of the bidirectional screw rod (8) in a threaded manner, a first roller (11) and a second roller (12) are arranged at one end of the moving block (9), and a gap for the long rope (6) to pass through is reserved between the first roller (11) and the second roller (12); a limiting rod (13) is further erected in the fixed seat (5), and the limiting rod (13) penetrates through the moving block (9) to be fixedly connected to two sides of the fixed seat (5).
5. A water sample collection device applied to a shallow water area according to claim 1, wherein: and scale marks (61) are fixed on the peripheral wall of the long rope (6).
6. A water sample collection device applied to a shallow water area according to claim 1, wherein: a filter screen (30) is fixed on the inner peripheral wall of the second communicating hole (31).
7. A water sample collection device applied to a shallow water area according to claim 1, wherein: the leather rope (23) is fixed at the upper end of the first rubber pad (26), a buckle ring (25) used for being connected with the leather rope (23) is fixed on the outer peripheral wall of the water container (1), the buckle ring (25) is located on the outer peripheral wall of the water container (1), and the buckle ring (25) is close to the first screw (27).
8. A water sample collection device applied to a shallow water area according to claim 7, wherein: the upper hole of the first communicating hole (32) is provided with a guide groove (33), and the guide groove (33) is communicated to the outside of the first communicating hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921359621.3U CN210665139U (en) | 2019-08-20 | 2019-08-20 | Water sample collection device applied to shallow water area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921359621.3U CN210665139U (en) | 2019-08-20 | 2019-08-20 | Water sample collection device applied to shallow water area |
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| CN210665139U true CN210665139U (en) | 2020-06-02 |
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| CN201921359621.3U Active CN210665139U (en) | 2019-08-20 | 2019-08-20 | Water sample collection device applied to shallow water area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223112A (en) * | 2023-03-10 | 2023-06-06 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Environmental protection experiment test water sample collection system |
-
2019
- 2019-08-20 CN CN201921359621.3U patent/CN210665139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223112A (en) * | 2023-03-10 | 2023-06-06 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Environmental protection experiment test water sample collection system |
| CN116223112B (en) * | 2023-03-10 | 2023-10-27 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Environmental protection experiment test water sample collection system |
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